Relevant bibliographies by topics / Precast concrete floor slabs

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
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Academic literature on the topic 'Precast concrete floor slabs'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Precast concrete floor slabs"

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Pang, Rui, Yibo Zhang, Longji Dang, Lanbo Zhang, and Shuting Liang. "Experimental and numerical investigation on the vertical bearing behavior of discrete connected new-type precast reinforced concrete floor system." Advances in Structural Engineering 23, no. 11 (March 13, 2020): 2276–91. http://dx.doi.org/10.1177/1369433220911141.

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This article proposes a new type of discrete connected precast reinforced concrete diaphragm floor system that consists of precast flat slabs and slab joint connectors. An experimental investigation of discrete connected new-type precast reinforced concrete diaphragm under a vertical distributed static load was conducted, and the effect of slab joint connectors on the load-bearing capacity was evaluated. Then, a finite element analysis of discrete connected new-type precast reinforced concrete diaphragm, precast reinforced concrete floors without slab connectors, and cast-in-situ reinforced concrete floor were performed to understand their working mechanism and determine the differences in load-bearing behavior. The results indicate that the load-bearing capacity and stiffness of discrete connected new-type precast reinforced concrete diaphragm increase considerably as the hairpin and cover plate hybrid slab joint connectors can efficiently connect adjacent precast slabs and enable them to work together under a vertical load by transmitting the shear and moment forces in the orthogonal slab laying direction. The deflection of discrete connected new-type precast reinforced concrete diaphragm in orthogonal slab laying direction is mainly caused by the opening deformation of the slab joint and the rotational deformation of the precast slabs. This flexural deformation feature can provide reference for establishing the bending stiffness analytical model of discrete connected new-type precast reinforced concrete diaphragm in orthogonal slab laying direction, which is vitally important for foundation of the vertical bearing capacity and deformation calculation method. The deflection and crack distribution patterns infer that the discrete connected new-type precast reinforced concrete diaphragm processes the deformation characteristic of two-way slab floor, which can provide a basis for the theoretical analysis of discrete connected new-type precast reinforced concrete diaphragm.
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Akimov, Seyran, Olga Balakchina, Elvira Akimova, Vladimir Malahov, and Vasilij Shalenny. "Improving the manufacturability of floor slabs by pre-installing elements that partially replace reinforced concrete and formwork." E3S Web of Conferences 258 (2021): 09019. http://dx.doi.org/10.1051/e3sconf/202125809019.

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The article discusses well-known and perspective constructive and technological systems for the installation of monolithic and precast-monolithic floor slabs of civil and industrial buildings. It shows examples and expediency of using all kinds of inserts made of plastic and other light materials and products for replacing a part of heavy monolithic reinforced concrete. An original resource-saving method for the installation of precast-monolithic floor slabs with a simultaneous increase in the degree of their construction readiness is proposed. This effect is achieved by reducing their own weight and the use of permanent formwork. Reduction in own weight of the precast-monolithic floor slab is ensured by the use of volumetric lightweight trapezoidal or rectangular inserts, preferably made of expanded polystyrene, during its installation. The use of permanent formwork will eliminate the need for the subsequent performance of labor-intensive finishing and insulation works. To confirm the effectiveness of using the proposed method of precast-monolithic floor slab installation, the operation of two floor slabs was modeled in the LIRA SAPR computing complex - the proposed reinforced concrete innovative slab and a solid reinforced concrete slab. Having analyzed the calculated forces, deformations and the corresponding consumption of reinforcement and concrete, comparative indicators were obtained for the proposed innovative slab and for a typical solid floor slab. As a result, significant savings in material and cost have been proven.
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Tusnin, Alexander, and Alexey Kolyago. "The calculation of anchors in steel-concrete overlaps with precast slab." E3S Web of Conferences 97 (2019): 06022. http://dx.doi.org/10.1051/e3sconf/20199706022.

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Reinforced concrete floors and steel beams are widely used in buildings and structures for various purposes. Reinforced concrete overlaps can be cast-in or precast of hollow-core slabs. The most effective floors in which the concrete slab is located in the compressed area of cross-section, in steel beams in the tension zone, and shifting forces, arising between concrete slab and the steel beam, are perceived by anchors. Precast slabs in comparison with cast-in ones have less labor-intensive performance, the beam spacing is equal to the span of reinforced concrete slabs, there are no intermediate beams in such overlaps, that allows to reduce the floor thickness. The inclusion of precast in steel-concrete cross-section requires joints with steel beams, which requires using of special anchors. Anchor perceives shear forces and ensures the joint operation of the plate and the steel beam. In addition, for beams with narrow flange, the anchor device can provide the required width of the support slabs. The calculation of the attachment points of the anchors to the steel beam is carried out using three variants of calculation methods, which allow to determine the forces acting on the anchor. For practical application, a wire-element model has been proposed and managed to get forces in a steel beam, slab and anchors the width of the slab recommended by the standards should be included in the calculation model.
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Lin, Feng, Xiuming Yang, Keyu Li, Xianglin Gu, and Xiang Li. "Failure of wall–slab joint in unreinforced masonry building." Advances in Structural Engineering 20, no. 5 (August 5, 2016): 759–71. http://dx.doi.org/10.1177/1369433216662775.

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Investigations on buildings severely damaged due to earthquakes or explosions have indicated that unreinforced masonry buildings with simply supported precast concrete floor slabs exhibit deficiencies in resistance to progressive collapse, compared to unreinforced masonry buildings with continuous cast in situ concrete floor slabs. The collapse mechanisms observed in the two types of unreinforced masonry buildings are closely related to wall–slab joint failure. The purpose of this study is to investigate the failure behavior of wall–slab joints and the effect on the collapse of the two types of unreinforced masonry buildings. Six wall–slab joint specimens and eight grooved wall specimens, induced by partial failure of wall–slab joints, were tested under monotonic vertical and horizontal loading. Numerical models were then developed, verified, and used to perform a parametric study. It was found that the wall–slab joints failed in various modes, that is, slab failure, wall failure, and slab pullout failure. The grooved wall could fail in bending or in compression. Analyses indicated that the collapse of unreinforced masonry buildings with simply supported precast concrete floor slabs develops in both vertical and horizontal directions. However, the collapse of unreinforced masonry buildings with continuous cast in situ concrete floor slabs is prone to develop only in the vertical direction, resulting in improved progressive collapse resistance.
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Hubertová, Michala, and Pavel Hladík. "Precast Floor Plates from Lightweight Concrete." Advanced Materials Research 1106 (June 2015): 152–55. http://dx.doi.org/10.4028/www.scientific.net/amr.1106.152.

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The paper deals with a system of precast floor plates from lightweight concrete intended mainly for building of family houses and residential construction. The developed system has two types of precast floor plates made from lightweight concrete: floor plates for floor systems and solid section floor plates. This paper describes solid section floor plates. The unambiguous advantage of lightweight concrete floor construction is weight lower by as much as 37% compared to floor structure made from common concrete, while bearing strength remains unchanged as well as high fire resistance. This type of floor slabs has also been successful in the system of assembled prefabricated houses thanks to its lower weight and elimination of the wet construction process.
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Smolyago, G. A., S. V. Drokin, A. V. Dronov, A. P. Belousov, S. A. Pushkin, V. V. Shirokij, and E. G. Smolyago. "RECONSTRUCTION OF PRECAST REINFORCED CONCRETE FLAT FLOOR SLABS." Building and reconstruction 82, no. 2 (2019): 116–22. http://dx.doi.org/10.33979/2073-7416-2019-82-2-116-122.

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Derkowski, Wit, and Mateusz Surma. "Influence of concrete topping on behaviour of prestressed Hollow Core floor slabs on flexible supports." Budownictwo i Architektura 12, no. 1 (March 11, 2013): 107–14. http://dx.doi.org/10.35784/bud-arch.2180.

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Slim Floors (SF) are the structures made of the Hollow Core (HC) slabs supported on the slender beams, where the beam height is usually slightly greater than the height of precast slab element. With the increase of the supports' deflection, the deformation of the HC slab occurs, and in consequence, additional transverse normal and shear stresses appear in the precast element, which can cause a diagonal cracking and destruction of external webs of this element. It may also result in longitudinal cracks on bottom surface of the slab. Despite the frequent implementation of this type of structures, the existing standard EN 1168 gave only a brief record of the need to take the reduction in design shear capacity into account, but is not given any calculation procedure. It is widely believed that reduction of unfavourable effects of shear stress in the HC slab’s web can be achieved by filling the cores with concrete or arrangement of the monolithic layer or concrete topping. The fib guidelines are practically the only one document which allows to determine the shear capacity of SF slabs, including the influence of concrete topping or core filling – brief description of this design model is presented in the paper. In order to determine the effect of concrete topping on the behaviour of prestressed HC slabs on the flexible supports, a number of calculation analyzes were performed, which take into account the effects of thickness of the concrete topping, the value of the friction coefficient between the concrete topping and the precast element, the sequence of concreting of vertical joints and topping layer and the amount of supplementary reinforcement in the topping. The results of the calculations, and the conclusions derived from them, are presented in the article.
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Zhou, Wei, Jian Xin Zhang, and Wen Zhong Zheng. "Research on New Type of Prestressed Concrete Double Tee Floor Slabs." Advanced Materials Research 250-253 (May 2011): 2376–81. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.2376.

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Prestressed concrete double Tee floor slabs are widely used for the roof of building construction. Some problems are met during the development practice of this type of precast structures. Firstly, the overhang flange of the traditional double Tee floor slab is not enough large in the view of economic and utilization. Secondly, it is not easy to dispose the skylights on the roof used double Tee floor slabs in the workshops or the gymnasiums. Thirdly, most of the beams are produced in prestressing plants, but very few productions are made in site. Therefore, a new type of prestressed concrete double Tee floor slabs have been designed with some characters such as 3.0-m outside flange, flange slabs with rectangular opening holes for the skylights or not, and the beams produced in the prestressing plants with pre-tensioning prestressing tendons or post-tensioning with the strands in site.
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Szweda, Zofia. "Analysis of protective features of concrete in precast prestressed floor slabs (HC type) against chloride penetration." MATEC Web of Conferences 163 (2018): 05006. http://dx.doi.org/10.1051/matecconf/201816305006.

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This paper describes protective features of concrete used in precast prestressed floor slabs against chloride penetration. HC-500 hollow core slabs are designed for constructing ceilings in skeletal buildings with reinforced concrete. Material and structural protection used in slabs determines the acceptable range of using HC slabs, taking into account durability of floors during their normal exploitation. These slabs can be used in buildings where environmental conditions affect them according to the following exposure classes: X0, XC1, XC2, XC3 (according to standards: EN 206-1: 2003 [1], EN 1992-1-1:2004 [2]). Values of diffusion coefficient for concrete collected directly from precast prestressed HC-500 slabs, were determined during short (24h and 48h) tests accelerated by the electric field. In those tests we used a thermodynamic migration model and a reverse equation of chloride migration in concrete. Taking into consideration values of diffusion coefficient and diffusion equation, the time required for chloride concentration to reach critical value for reinforcement and the thickness of reinforcement cover were established under the condition that the structure durability was subjected to the exposure class XD3 (chapter 4 of the standard PN 1992-1-1[2]).
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Tamrazyan, Ashot, and Arman Minasyan. "The influence of depth of tensile concrete deterioration on the load bearing strength and deflections of corrosion-damaged floor slabs." MATEC Web of Conferences 251 (2018): 02012. http://dx.doi.org/10.1051/matecconf/201825102012.

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The paper considers the change of load-bearing strength and deflections of corrosion-damaged precast reinforced concrete floor slabs in the conditions of cyclic freezing-thawing in full-scale climatic conditions. The aim of the study is to determine the influence of the depth of tensile concrete deterioration on the change in load-bearing strength and deflections. Corrosion-damaged precast reinforced concrete floor slabs were selected and experimental investigation was performed. Based on the results of the study, the influence of the depth of deterioration of tensile zone of concrete on the load-bearing strength and deflections of structures was determined. At the same time, as the loads increase, deflections increase and the height of the compressive zone decreases. In the experimental investigation, changes of the load-bearing strength and deflections of precast reinforced concrete slabs were determined, depending on the depth of tensile concrete deterioration. The performed studies allow us to estimate the load-bearing strength and deflection values of corrosion-damaged reinforced concrete slabs depending on the relative value of the concrete deterioration in the tensile zone without performing additional experiments and calculations.
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Dissertations / Theses on the topic "Precast concrete floor slabs"

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Lam, Dennis. "Composite steel beams using precast concrete hollow core floor slabs." Thesis, University of Nottingham, 1998. http://eprints.nottingham.ac.uk/11350/.

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The main aim of this thesis is to develop an insight into the behaviour of composite floors that utilise steel beams acting in combination with precast concrete hollow core floor slabs and to produce design recommendations for use by industry for this type of construction. Full scale bending tests of proprietary precast prestressed concrete hollow core unit floor slabs attached through 19mm diameter headed shear studs to steel Universal Beams (UB) have been carried out to determine the increased strength and stiffness when composite action is considered. The results show the bending strength of the composite beam to be twice that of the bare steel beam, and its flexural stiffness to be more than trebled. In addition to the beam tests, isolated push-off tests and horizontal eccentric compression tests were used to study the horizontal interface shear resistance of the headed studs and the strength of the slab, respectively. Maximum resistances were compared with the predictions of the Eurcode EC4, and a reduction formula for the precast effect derived. In addition to the experimental investigations, finite element (FE) studies were also conducted using the FE package ABAQUS to extend the scope of the experimental work. Results show a 2-dimensional plane stress analysis to be sufficiently accurate, providing the correct material input data obtained from isolated push-off and compression tests are used. The FE model for the composite beam was designed and validated using the full scale beam tests. A parametric study, involving 45 analyses, was carried out to cover the full range of UB sizes and floor depths used in practice. From the finite element work, design charts are formulated which may be used to simplify the design rules. Given the results of this work, a full interaction composite beam design may be carried out using the proposed design equations. The results show that precast slabs may be used compositely with steel UB's in order to increase both flexural strength and stiffness at virtually no extra cost, except for the headed shear studs. The failure mode is ductile, and may be controlled by the correct use of small quantities of transverse reinforcement and insitu infill concrete.
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Miratashi, Yazdi Seyed Mansoor. "Robustness of steel framed buildings with pre-cast concrete floor slabs." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/robustness-of-steel-framed-buildings-with-precast-concrete-floor-slabs(7004a673-cf6c-4d22-a00e-34c6be6bb6a0).html.

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Following some incidents in high-rise buildings, such as Ronan Point London 1968, in which collapse of a limited number of structural elements progressed to a failure disproportionate to the initial cause, consideration of robustness was introduced in British Standard. The main method of preventing progressive collapse for providing robustness to steel framed buildings with precast concrete floor slabs focuses on the allowable tying forces that the reinforcement in between the slabs and in hollowcores should carry. However there are uncertainties about the basis of the practical rules associated with this method. This thesis presents the results of numerical and analytical studies of tie connection behaviour between precast concrete floor slabs (PCFS). It is shown that under current design regulations the tie connection is not able to resist the accidental load limit applied on the damaged floor slabs. By establishing the capability of a finite element model to depict and predict the behaviour of concrete members in situations such as arching and catenary action against several experimental tests, an extensive set of parametric studies was conducted in order to identify the effective parameters in enhancing the resistance of the tie connection between PCFSs. These parameters include: tie bar diameter, position, length, yield stress and ultimate strain; the slab’s height, length; and the compressive strength of the grouting concrete in between the slabs that encases the tie bar. Recommendations are made based on the findings of this parametric study in order to increase the resistance of the tie connection. Based on the identified effective parameters in the parametric study a predictive analytical relationship is derived which is capable of determining the maximum vertical displacement and load that the tie connection is able to undergo. This relationship can be used to enable the connection to capture the accidental limit load on a damaged slab. The identified parameters are examined in a three dimensional finite element model to assess their effect when columns of the structure are lost in different locations such as an edge, corner or internal column. Based on the findings of this study methods for improving the connections performance are presented. Also the effect of alternative transverse tying method is evaluated and it is concluded that although this kind of tie increases the load carrying capacity of the connection, its effect on the catenary action is not significant.
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Woods, Lisa Joy. "The significance of negative bending moments in the seismic performance of hollow-core flooring." Thesis, University of Canterbury. Civil and Natural Resources Engineering, 2008. http://hdl.handle.net/10092/2042.

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Hollow-core flooring units are designed as simply supported members. However, frequently in construction, continuity is established between the units and supporting structure by the addition of insitu topping concrete and steel reinforcement. This change in structural form can result in negative bending moments and axial forces being induced in the floor by seismic and other structural actions. Significant negative moments are induced by load combinations that include the effects of seismic forces due to vertical ground motion. The focus of this research was two failure mechanisms possible under these loading conditions, a flexural failure and a shear failure. Both failure mechanisms were investigated analytically and experimentally. A brittle flexural failure was observed experimentally in a sub assembly test that contained starter bars and mesh reinforcement in the insitu topping concrete. The failure occurred at loads lower than those predicted using standard flexural theory. It appears that, due to the prestressing and low reinforcement ratio of the topping concrete, the assumption that plane sections remain plane is not appropriate for this situation. It is proposed that a strain concentration factor be introduced to account for the effects of tension stiffening. This factor improves the correlation between observed and predicted flexural strength. The second failure mode investigated was a flexure shear failure in a negative moment zone. Flexural cracks reduce the shear strength of a reinforced concrete member. Analytical predictions suggest that some hollow-core floor details could be prone to this type of brittle failure. A flexure shear failure was not observed experimentally; however, this does not eliminate the possibility of this failure mode. A summary of other failure mechanisms possible in hollow-core flooring is also presented. All failure modes should to be considered as part of establishing a hierarchy of failure in the design or retrofit of hollow-core floors.
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Čihák, Tomáš. "Tělocvična - prefabrikovaný skelet." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227738.

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This master thesis deals with a draft of precast concrete frame structure on the case of gymnasium building. The major part of this work are transversal and longitudinal frames, consisted of footings, columns, girders and precast floor slab. Other parts of the building are not solved. Thesis consists both static calculations and drawings.
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Oskarsson, Adam. "Transmission of Vibrations in Precast Concrete Slabs." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-79119.

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Dynamic loads have historically not been a troubled area for concrete floors, foremostbecause of the high self-weight compared to the dynamic load. With new technical andcalculation achievements during the last decades concrete floors have become longerand more slender. This have led to more open plan structures with longer spans thatmake concrete floors more sensitive to vibrations.This thesis studies the dynamic effects of hollow concrete core elements induced by co-ordinated jumping and the vibration levels that spread to the floor above. The thesisinvestigates different standards and guides on how to perform a dynamic analysis andevaluate it. In the thesis an experiment was conducted on WSP Sweden headquar-ters in Stockholm. The fifth and sixth floor of the building was investigated in thisthesis. The floors are made of hollow concrete core elements of the type HD/F 120/27.First a so-called heel drop test was done on the fifth floor to evaluate the naturalfrequency of the floor. The floors were monitored while 12 people performed coordi-nated jumping. Three accelerometers were placed on the fifth floor where the load wasapplied and one on the floor above.The results from the experiment and simulation were evaluated with three methodsISO 10137, National Building Code of Canada and Design Guide - Floor VibrationsDue to Human Activity. The data from the experiment shows that the upper floor isunsuitable for office use for 2 standards. The lower floor is viewed as acceptable formore carefree setting such as shopping malls.A finite element analysis of the building was done in the program Brigade. The modelconsists of one wing of the building and the fifth and sixth floor. The remaining floorsare modelled as equivalent mass. The columns were modeled down to the fourth floorand the beams for the fifth and six floors were included. A stairwell between the fifthand sixth floor was also modelledEvaluation of the finite element results was done in the same fashion as the experi-ment. Here the upper floor was performing satisfactory for office use and the lowerfloor was similarly as the experiment above accepted for settings where more acceler-ation is considered acceptable such as for restaurants and shopping malls.The maximum transient vibration value (MTVV) results from the experiment andsimulation was compared and the lower floor was conforming pretty well with a dif-ference smaller than 1 % to around 30 % depending on the accelerometer. However,the results for the upper floor differs significantly, as the difference is about 770 %between the experiment and simulation. The finite element model is not able to ac-curately represent the real building for the acceleration of the upper floor. This couldbe explained by the the absence of partition walls for meeting rooms, copying room,toilets and the facade. Since this could limit the acceleration that is transmitted fromthe lower floor to the upper floor.
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Herlihy, Michael D. "Precast concrete floor support and diaphragm action." Thesis, University of Canterbury. Engineering, 1999. http://hdl.handle.net/10092/9578.

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Experimental research, engineering analysis and theoretical developments comprise a study in which various interactions between ductile moment resisting frames and precast prestressed hollow core flooring have been examined. The most critical interaction tested involves support behaviour, and the ability of reinforcing details to provide control against loss of support and possible catastrophic flooring collapse under dilation effects. Plastic hinge dilation, also known as elongation or growth, is an inherent property of ductile concrete members when subjected to cyclic plastic deformations. Hence, the performance of floor support details is enveloped by the general design philosophy of seismic resisting structures. In the experimental phase, emphasis was placed on testing support construction joints from contemporary building practice, for direct comparison with special support tie details of known capabilities. The contemporary details were found to exhibit seriously flawed behaviour under monotonic and cyclic loading regimes. Corroborative experiments were undertaken to establish direct shear capacities between typical composite bond surfaces. In particular, these tests addressed the discrepancy that has emerged between direct shear and shear flow strengths. Also, the continuity response of conventional and proposed support detail types was examined. A composite section model was analysed to demonstrate the likely influence of prestressing steel on beam bending strength within a ductile frame environment. Likewise, the probable effects of prestressing steel on beam plastic hinge development were examined, but on a more theoretical basis. Other elements of theory have been presented. These mainly concern the general topic of elastic-plastic response in reinforced concrete elements. The particular focus of this work has been to demonstrate a rational basis to stiffness transition and plastic buckling analysis. The important role of stiffness degradation in dynamic analysis has also been examined. Although ductile moment resisting concrete frames have been emphasised, it is considered that the findings of this thesis are applicable to other structural systems, such as dry joint "hybrid" precast concrete frames and spring connected steel frame structures.
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Omar, Wahid. "Diaphragm action in precast concrete floor construction." Thesis, University of Nottingham, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.254392.

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Al-Tamimi, Adnan. "Fibre-reinforced connections in precast concrete flat slabs." Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367112.

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Peng, Brian Hsuan-Hsien. "Seismic performance assessment of reinforced concrete buildings with precast concrete floor systems." Thesis, University of Canterbury. Civil and Natural Resources Engineering, 2009. http://hdl.handle.net/10092/3103.

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In the seismic design of reinforced concrete frames, plastic hinges are allocated to beams such that a ductile beam-sway mechanism will form in preference to other less ductile mechanisms in the event of a major earthquake. This is achieved by ensuring that the flexural strength of columns is greater than that corresponding to the maximum likely flexural strength of beam plastic hinges. Recent experimental studies in New Zealand have shown that elongation of ductile beam plastic hinges, and its interaction with nearby floor slab containing precast-prestressed floor units, increases the strength of beams much more than that specified in New Zealand and American Concrete standards. This level of strength enhancement has raised concern on the adequacy of the current design provisions. To further investigate this problem, a research project was initiated to examine the strength of beam plastic hinges in reinforced concrete frames containing precast-prestressed floor units. In this research, the strength of beam plastic hinges was assessed through experimental and analytical studies. A three-dimensional, one-storey, two-bay reinforced concrete moment resisting frame with prestressed floor units and cast-in-situ concrete topping was tested under quasi-static displacement-controlled cyclic loading. The experimental results provided insight into the mechanics associated with frame-floor interaction. Subsequently, improved design specifications were proposed based on the observed behaviour. To analytically predict the beam-floor interaction, a ductile reinforced concrete plastic hinge multi-spring element was developed and validated with experimental results from cantilever beam and frame sub-assembly tests reported in the literature. The comparisons have demonstrated the ability of the proposed plastic hinge element to predict the flexural, shear, axial, and most importantly, elongation response of ductile plastic hinges. The proposed plastic hinge element was implemented into an analytical model to simulate the behaviour of the frame-floor sub-assembly tested in this research. Specially arranged truss-like elements were used to model the linking slab (the region connecting the main beam to the first prestressed floor unit), where significant inelastic behaviour was expected to occur. The analytical model was found to be capable of predicting the non-linear hysteretic response and the main deformation mechanisms in the frame-floor sub-assembly test. The analytical frame-floor model developed in this study was used to examine the effect of different structural arrangements on the cyclic behaviour of frames containing prestressed floor units. These analyses indicated that slab reinforcement content, the number of bays in a frame and the position of frame in a building (i.e., perimeter or internal frame) can have a significant influence on the strength and elongation response of plastic hinges.
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Wrana, Lukáš. "Hasičská stanice." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265476.

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The subject of this thesis is to create a project documentation of the design of new construction of fire station in Šumperk. The fire station is designed according to ČSN 73 5710 as a C type station that will be used by professional fire brigade of Olomouc district. The object is structurally divided into two parts - a masonry building, and a reinforced concrete frame. The administrative part of the building together with the base of the fire brigade, technical room, and a fire tower are designed as a masonry building made of Ytong cellular concrete units. One of the parts is designed as a two-level object, while the technical room and the fire tower are designed as a sigle-level object. The circumferential masonry is insulated by contact thermal insulation system. The floor construction is made of Spiroll prestressed floor slabs. The roof is designed as a warm flat roof. The garage is a single-level building with built-in structure of storerooms in part of the garage. The precast reinforced concrete frame is set on foundation pads and foundation sills. The horizontal and vertical supporting structure consists of reinforced concrete parts – columns, Spiroll floor slabs, floor girders, sway frames, purlins and small purlins. The whole object is covered by a warm flat roof. The external cladding consists of PUR isolating sanwich panels.
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Books on the topic "Precast concrete floor slabs"

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Association, Concrete Manufacturers. Precast concrete floor slabs. 2nd ed. [Midrand]: Concrete Manufacturers Association, 1999.

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Barnbrook, G. Ground-supported concrete floor slabs. Slough: Cement and Concrete Association, 1987.

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Barnbrook, G. Ground-supported concrete floor slabs. Slough: Cement and Concrete Association, 1987.

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Barnbrook, G. Ground-supported concrete floor slabs. Slough: Cement and Concrete Association, 1987.

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Rackham, J. W. Design of asymmetric slimflor beams with precast concrete slabs. Ascot: Steel Construction Institute, 2006.

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Mazzone, Graziano. The shear response of precast, pretensioned hollow-core concrete slabs. Ottawa: National Library of Canada, 1996.

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Rodriguez, M. Earthquake resistant precast concrete buildings: Floor accelerations in buildings. Christchurch, N.Z: Dept. of Civil Engineering, University of Canterbury, 2000.

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Knapton, John. Single pour industrial floor slabs: Specification, design, construction and behaviour. London: T. Telford, 1999.

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Borgogno, Walter. Tragverhalten von Slim Floor Decken mit Betonhohlplatten bei Raumtemperatur und Brandeinwirkungen. Zürich: Institut für Baustatik und Konstruktion, Eidgenössische Technische Hochschule, 1997.

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Ringo, Boyd C. Designing floor slabs on grade: Step-by-step procedures, sample solutions, and commentary. Addison, Ill: Aberdeen Group, 1992.

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Book chapters on the topic "Precast concrete floor slabs"

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Wieneke, Katrin, and Josef Hegger. "Fatigue of Semi-precast Slabs with Lattice Girders." In High Tech Concrete: Where Technology and Engineering Meet, 921–28. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_107.

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Plauška, Tomas, Thies van der Wal, and Wim Jansze. "Sustainability of Thermally-Activated Precast Concrete Hollowcore-Floor Systems." In High Tech Concrete: Where Technology and Engineering Meet, 2365–72. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_269.

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Abo El-Khier, Mostafa, and George Morcous. "Design and Detailing of Bridge Approach Slabs: Cast-in-Place and Precast Concrete Options." In Sustainable Civil Infrastructures, 193–206. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-62586-3_12.

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Mulder, S. A. E., and J. W. G. M. Kraak. "The Effect of Fire on Floor Slabs Containing Enclosed Cavities - Gently Touched or Fully Explored?" In High Tech Concrete: Where Technology and Engineering Meet, 1128–36. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_131.

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"Quality assurance for precast hollow core floor slabs in practice." In Quality Control of Concrete Structures, 129–34. CRC Press, 1991. http://dx.doi.org/10.1201/9781482288902-18.

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"Horizontal floor diaphragms." In Precast Concrete Structures, 203–28. CRC Press, 2002. http://dx.doi.org/10.1201/9780080514628-7.

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"Horizontal floor diaphragms." In Precast Concrete Structures, 395–428. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315370705-9.

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"FLOOR AND ROOF SLABS." In Reinforced Concrete: Standardized Tables, 130–32. Thomas Telford Publishing, 2011. http://dx.doi.org/10.1680/rcst.51904.0006.

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Patzak, J., and P. Bolz. "Large-scale investigations of precast concrete slabs." In Bituminous Mixtures and Pavements VII, 462–69. CRC Press, 2019. http://dx.doi.org/10.1201/9781351063265-64.

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Facconi, Luca, Fausto Minelli, Giovanni Plizzari, and Andrea Pasetto. "Precast fibre-reinforced self-compacting concrete slabs." In fib Bulletin 79. Fibre-reinforced concrete: From design to structural applications, 223–38. fib. The International Federation for Structural Concrete, 2017. http://dx.doi.org/10.35789/fib.bull.0079.ch22.

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Conference papers on the topic "Precast concrete floor slabs"

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Hajjar, Jerome F., Lizhong Wang, and Mark D. Webster. "Design for Deconstruction for Sustainable Composite Steel-Concrete Floor Systems." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Valencia: Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.7060.

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Conventional steel-concrete composite floor systems utilizing steel headed stud anchors and metal decks are cost-effective and widely used solutions for non-residential multi-story buildings, due in part to their enhanced strength and stiffness relative to non-composite systems. Because these systems use steel headed stud anchors welded onto steel flanges and encased in cast-in-place concrete slabs to achieve composite action, it is not possible to readily deconstruct and reuse the steel beams and concrete slabs. As the building industry is moving towards sustainability, there are clear needs for developing sustainable steel-concrete composite floor systems to facilitate material reuse, minimize consumption of raw materials, and reduce end-of-life building waste. This paper presents the behavior and design strategies for a sustainable steel-concrete composite floor system. In this system, deconstructable clamping connectors are utilized to attach precast concrete planks to steel beams to achieve composite action. The load-slip behavior of the clamping connectors was studied in pushout tests, and the test results showed that the clamping connectors possess similar shear strength to 19 mm diameter shear studs and much greater slip capacity. Four full-scale beam tests were performed to investigate the flexural behavior of the deconstructable composite beams under gravity loading and validate the connector behavior attained from the pushout tests. All the beams behaved in a ductile manner. The flexural strengths of the composite beam specimens closely match the strengths predicted for composite beams by the design provisions of the American Institute of Steel Construction (AISC).
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Lange, Jörg. "Design of Edge Beams in Slim Floors Using Precast Hollow Core Slabs." In Fifth International Conference on Composite Construction in Steel and Concrete. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40826(186)25.

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Hou, Hetao, Ning Wang, and Zengyun Zang. "Push-out tests of shear connectors for new fully assembled steel- concrete composite beams." In IABSE Congress, Christchurch 2021: Resilient technologies for sustainable infrastructure. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/christchurch.2021.1024.

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<p>To accomplish rapid installation and replaceability, a new type of connector for new fully assembled steel-concrete composite beams was studied. The connectors are fixed on the C-shaped channels of the prefabricated floor slab. The load transfer along the interface of the precast floor slab and the steel beam is primarily achieved through the friction between the beam flange and the channels. Push-out tests were conducted to study the mechanical properties of new composite beam. The effects of different C-shaped channel types, repeated loading and number of connectors were investigated. Test results showed that all the connectors exhibited satisfactory performance. When the section height of C-shaped channel is small, the restraining effect on the connector is more remarkable. The shear strength and shear stiffness of the connectors can be improved by reloading. The formulas for calculating the shear strength derived agree well with the experimental results.</p>
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Peraza, David B. "Tropicana Garage Collapse." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.2172.

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<p>In 2003, a major collapse occurred during construction of a parking garage at the Tropicana Hotel in Atlantic City, New Jersey. It resulted in four fatalities, dozens of injured workers, and significant delays to the construction project. The legal matter was eventually settled out of court, reportedly for $100 million US dollars.</p><p>The author led the structural investigation into the collapse on behalf of the General Contractor. The investigation included numerous site visits, preservation of structural evidence, review of design drawings and contractor’s shop drawings, structural analyses, and litigation support.</p><p>The concrete parking garage was being constructed with a proprietary structural floor system, which involved “stay‐in‐place” precast concrete forms that became composite with the cast‐in‐place concrete slabs and wide beams.</p><p>The investigation presented significant challenges due to the intertwined design responsibilities for the system, the difficulty of preserving perishable evidence during the demolition of the unstable structure, the high‐profile nature of the collapse, and the diverse interests of the many involved parties.</p><p>The matter settled out of court, so the results of technical investigations and the lessons learned have not been widely disseminated previously.</p><p>This paper will describe the engineering investigation and findings, discuss the roles and responsibilities of the designers and others, and present recommendations to reduce future failures of similarly organized projects.</p>
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Buddee, Samard. "Restoration and Conversion of a Historic Building into a New Learning Park." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.2492.

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<p>In 2013, a local government official in Nakhon Ratchasima Province, Thailand undertook a project to restore a two‐story building in a historic zone. The 976‐square‐meter building was converted into a learning park for the general public. Architects and engineers collaborated on the project following precise procedures, ensuring most of the original features and significant structures were preserved. The main steps involved a survey and safety evaluation in assessing the choice of design criteria and construction techniques. The building design was analyzed, and significant modifications to the structures were deemed necessary. The structural engineer decided that new steel structures were required both above and below the existing structures to support the new precast concrete slabs which were to be covered by new wooden floors. The new and existing structures were able to maintain their independence because there were sufficient gaps to provide separation between them; this also necessitated the construction of new separate footings as independent support for all the new loads. The new learning park opened in 2017.</p>
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Hicks, Stephen, R. Mark Lawson, and Dennis Lam. "Design Considerations for Composite Beams Using Precast Concrete Slabs." In Fifth International Conference on Composite Construction in Steel and Concrete. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40826(186)19.

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Patzak, J., and P. Bolz. "Material Optimisation and Large-Scale Investigations of Precast Concrete Slabs." In International Airfield and Highway Pavements Conference 2019. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482469.036.

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Nguyen, Minh Hai, Ryoma Obata, Satoshi Fujiwara, Akinori Nakajima, and Shuichi Fujikura. "Bending Tests of Connection Structure of Precast Concrete Slabs using Perfobond Strip." In The 5th World Congress on Civil, Structural, and Environmental Engineering. Avestia Publishing, 2020. http://dx.doi.org/10.11159/icsect20.118.

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Ataei, Abdolreza, Mark A. Bradford, and Hamid R. Valipour. "Structural Behaviour of Demountable HSS Semi-Rigid Composite Joints with Precast Concrete Slabs." In Structures Congress 2017. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480410.015.

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Dabhade, U. D., N. A. Hedaoo, L. M. Gupta, and G. N. Ronghe. "Time and Cost Evaluation of Construction of Steel Framed Composite Floor with Precast Concrete Floor Structure." In 26th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 2009. http://dx.doi.org/10.22260/isarc2009/0071.

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Reports on the topic "Precast concrete floor slabs"

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Construction laborer dies after falling off collapsed precast concrete floor slab. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, August 2007. http://dx.doi.org/10.26616/nioshsface07ny015.

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