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Journal articles on the topic 'Monolithic concrete slab'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

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 wei

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2

Valivonis, Juozas, Bronius Jonaitis, Robertas Zavalis, Tomas Skuturna, and Arnoldas Šneideris. "FLEXURAL CAPACITY AND STIFFNESS OF MONOLITHIC BIAXIAL HOLLOW SLABS." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 20, no. 5 (2014): 693–701. http://dx.doi.org/10.3846/13923730.2014.917122.

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The article presents a research on flexural behaviour of hollow monolithic reinforced concrete slabs. It focuses on the results of experimental investigation into full-size hollow reinforced concrete slabs and analyses their flexural capacity and stiffness. The self-weight of the slabs directly depends on the shape and number of hollows. An increase in the hollowness of a slab significantly reduces the load caused by self-weight. This allows increasing the estimated length of the slab under the same payload. An increase in the amount of hollows of the slab changes the stiffness of the slab cro

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3

Gromysz, K. "Estimation of Stiffness and Energy Dissipation for the Models of Reinforced-Concrete Composite Slabs Based on the Investigations of Statically Loaded Slabs." Archives of Civil Engineering 58, no. 3 (2012): 259–92. http://dx.doi.org/10.2478/v.10169-012-0016-x.

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Abstract Reinforced concrete composite slab consists of a thin prefabricated slab in which span reinforcement is located and of concrete joined with the slab, with such concrete being laid on site.The existence of a joint of two concretes in such floors is interpreted as introducing a contact layer into a monolithic slab. In the paper parameters of two models are estimated. The first is a model of a contact layer and the second is a model of a composite slab with a single degree of freedom. The models consider that the contact has elastic properties and inelastic properties causing energy diss

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4

Dmytrenko, Tetiana, Oleksandr Semko, Andrii Dmytrenko, Tetiana Derkach, and Olena Voskobiinyk. "Development and implementation of algorithms of building structure engineering calculations for shear fraction under pressing-through." MATEC Web of Conferences 230 (2018): 02004. http://dx.doi.org/10.1051/matecconf/201823002004.

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Development of calculating algorithms for designed and patented constructive solutions for beamless monolithic slab and concrete reinforced column connection in the form of software program is presented in this article. Also a mathematical model for the constructive solutions was created using finite elements method. A theoretical part of the research includes engineering technique for the connection nodes between monolithic concrete slab and reinforced concrete column in stress strain state. A technical goal is simplifying and reliability increasing of loading capacity of the junction and ass

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Bistrickaitė, Rėda, and Romualdas Žilinskas. "EVALUATION OF TRANSVERSAL FORCE INFLUENCE IN LAYERS OF REINFORCED CONCRETE WITH SURVIVAL MOULDS/SLUOKSNIUOTŲJŲ GELŽBETONINIŲ KONSTRUKCIJŲ SU LIKTINIAIS KLOJINIAIS STIPRUMO SKERSINIŲ JĖGŲ ATŽVILGIU ĮVERTINIMAS." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 7, no. 1 (2001): 10–14. http://dx.doi.org/10.3846/13921525.2001.10531692.

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Bending composite reinforced concrete slabs have horizontal concreting joints and this is their main difference from monolithic constructions. During initial bending stage of loaded composition slab compression and shear stresses appear, therefore they should be treated as monolithic ones. Nevertheless, with the augmentation of deflection the influence of transversal forces increases. Depending on the distance between concentrated force and support force, corresponding shear stresses are caused in the contact zone of the layered slab. Vector trajectories of those stresses correspond to the cur

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Koyankin, Aleksandr Aleksandrovich. "LIGHTWEIGHT SLAB CAST OVER PRECAST JOISTS." Vestnik MGSU, no. 6 (June 2017): 636–41. http://dx.doi.org/10.22227/1997-0935.2017.6.636-641.

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Precast-monolithic house-building in domestic and world practice is a significant part in the mass construction. We propose a relatively large number of designs of precast-monolithic buildings, as well as its individual elements. Despite this, we cannot say that found the most effective constructive solutions able to satisfy the requirements of consumers (future residents) and builders. On this basis, we developed quite effective, from the point of view of construction and further operation, a constructive solution of light weight precast-monolithic overlap. Some features offered are overlappi

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7

Yushchube, S. V., I. I. Podshivalov, and G. I. Tayukin. "HIGH RISE FRAME BUILDING CONSTRUCTION WITH REGARD TO DEFECTS IN MONOLITHIC BASE SLAB." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture 22, no. 5 (2020): 160–72. http://dx.doi.org/10.31675/1607-1859-2020-22-5-160-172.

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The paper analyzes the influence of defects detected in a monolithic base slab on the possibility of its further application in the construction of a 25-storey high-rise frame building. Non destructive testing and vertical core sampling techniques are used for the detailed analysis of the monolithic base slab. It is found that irregularities in the procedure during winter concreting of the base slab decreases the strength properties of concrete and provides the defect formation in the slab structure, namely delamination of the lower protective concrete layer and uncovering of working reinforce

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8

Меl’nyk, І. V. "Stiffness of Monolithic Reinforced-Concrete Slab Structures." Materials Science 55, no. 3 (2019): 367–73. http://dx.doi.org/10.1007/s11003-019-00311-1.

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9

Wang, Su Guo, and Chen Yu Yang. "The Crack Investigation and Analysis of Frame Structure Subjected to Lateral Loading." Applied Mechanics and Materials 71-78 (July 2011): 1885–88. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.1885.

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The crack development of two cast-in-situ RC frame structures subjected to lateral loading was investigated. Then the develop reasons were analyzed. The investigation indicates that the existence of monolithic slab in reinforced concrete frame structure overstrengthened the actual flexural capability of longitudinal beams. Therefore, the participation of monolithic slabs should be made in consideration in structural design to achieve the strong column weak beam philosophy.

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Trekin, Nikolay, and Dmitrii Pekin. "Experimental research of punching shear mechanism of reinforcing concrete slab." E3S Web of Conferences 97 (2019): 04032. http://dx.doi.org/10.1051/e3sconf/20199704032.

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The analysis of various regulatory methods for calculating reinforced concrete slabs for pushing and comparing with experiment results is made. The tested sample, measuring equipment and test bench are described. Sizes and materials for experimental prototype were chosen by existing beamless and capless slabs of monolithic reinforced concrete superstructures with column grid from 8×8 to 9×9 m. Experimental research results of reinforcing concrete plate structure are presented for study purpose of stress-strain state when punching shear collapse occurring. Various aspects and observations obtai

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11

Mukhametrakhimov, Rustem, Airat Khuzin, and Dinara Khamidullina. "Quality improvement of monolithic steel fiber concrete floor slabs with void formers." E3S Web of Conferences 274 (2021): 06001. http://dx.doi.org/10.1051/e3sconf/202127406001.

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The features of the technology for the monolithic floors construction using void formers have been studied, its disadvantages have been identified and the ways to eliminate them have been proposed. At the first stage of this work, the reasons for the low quality of monolithic floors with void formers were studied by the method of visual and measuring control, and by comparing with known scientific and industrial data. At the second stage, by the method of systematization the main defects and damages arising in the construction, repair and usage of these floor slabs were classified and ways to

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Rybakov, Vladimir, Anatoly Seliverstov, and Oybek Vakhidov. "Fire resistance of lightweight steel-concrete slab panels under high-temperature exposure." E3S Web of Conferences 264 (2021): 02003. http://dx.doi.org/10.1051/e3sconf/202126402003.

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Lightweight steel concrete structures (LSCS) - an innovative energy-efficient building structure type that can be used both as load-bearing and as enclosing one. They consist of profiled steel - usually galvanized and cold-bent - filled with a monolithic foam concrete with a 400kg/m3 density and with fiber cement sheets sheathing. These structures can be used in industrial and civil buildings as internal and external bearing and enclosing wall structures and as slabs, energy-efficient roof covering. According to the LSCS production method, prefabricated panels (walls and slabs) and building si

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Gul, Akhtar, Khan Shahzada, Bashir Alam, et al. "Experimental Study on the Structural Behavior of Cast in-situ Hollow Core Concrete Slabs." Civil Engineering Journal 6, no. 10 (2020): 1983–91. http://dx.doi.org/10.28991/cej-2020-03091597.

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An experimental work has been carried out to study the flexural behavior of cast in-situ hollow core reinforced concrete (HCRC) slabs constructed by using easy, cost effective and implementable techniques in field. The precast elements made of different easily available affordable material i.e. concrete, polyvinyl chloride (PVC) and plaster of paris having voided cross- sections of circular, rectangular and triangular shapes were incorporated in one direction during pouring of concrete with minimum flexural reinforcement to construct HCRC slabs. A total of 14 slab specimens including 02 specim

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14

Ďubek, Marek, Marián Bederka, and Peter Makýš. "The Curing of Concrete Samples with Water - Experimental Verification of the Concrete Properties." Key Engineering Materials 868 (October 2020): 65–69. http://dx.doi.org/10.4028/www.scientific.net/kem.868.65.

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The process of producing a monolithic concrete structure on site is constructed out under different climatic conditions, which can often be unsuitable for setting and hardening of concrete. The necessary conditions for setting and hardening of concrete are ensured by various ways of its curing. In practice, concrete curing is carried out in most cases by water spraying. It is used mostly in reinforced concrete ceiling slabs, which are further discussed in the work. A common procedure is to cure the upper surface of reinforced concrete ceiling slabs. This work therefore deals with the effect of

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15

Rybakov, Vladimir, Anatoly Seliverstov, Denis Petrov, Andrei Smirnov, and Anna Volkova. "Lightweight steel concrete structures slab panels load-bearing capacity." MATEC Web of Conferences 245 (2018): 08008. http://dx.doi.org/10.1051/matecconf/201824508008.

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Lightweight steel concrete structures (LSCS) - an innovative building structure type that can be used both as load-bearing and as enclosing one. They consist of profiled steel usually galvanized and cold-bent - filled with a monolithic foam concrete with a 200kg/m3 density, and with fiber cement sheets sheathing. These structures can be used in industrial and civil buildings as internal and external bearing and enclosing wall structures, and as slabs. According to the LSCS production method, prefabricated panels (walls and slabs) and building site performed constructions are distinguished. The

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16

Serbinovskiy, Pavel, Dmitry Mailyan, and Andrey Serbinovskiy. "New reinforcement structures of reinforced concrete floor slabs and their technical and economic efficiency." MATEC Web of Conferences 196 (2018): 02027. http://dx.doi.org/10.1051/matecconf/201819602027.

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The article deals with the new reinforcement structures of reinforced hollow core slabs, their advantages and disadvantages. Thearticle analyses their technical and economic efficiency. Along with the new construction, the reconstruction and the total renovation of existing buildings are being actively carried out. The given works are produced both for defectselimination of building structures, and for buildings re-profiling, which causes loads increase on the floors. Therefore, issues related to the reinforcement of building structures are getting more and more urgent [1-4]. Here, it is worth

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17

Chunyuk, Dmitriy, Artem Selviyan, and Serafima Selviyan. "Performance evaluation of the effectiveness of the use of core drivers in the construction of base plates." E3S Web of Conferences 97 (2019): 06029. http://dx.doi.org/10.1051/e3sconf/20199706029.

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This article is an example of the calculation of a foundation monolithic slab using void formers during the construction of an apartment complex consisting of three buildings located on one stylobation. The issue of economy in the construction of a hollow core base slab compared to a solid one, by reducing the volume of concrete and reinforcement due to the location of liners in the neutral zone of concrete, is considered. At the same time, the bearing capacity and rigidity of the structure should remain at the same level.

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18

Kravchenko, Galina, Elena Trufanova, Victoria Sheremet, and Alina Sharap. "MODELING THE NONLINEAR WORK OF CONCRETE OF A MONOLITHIC FLOOR SLAB USING THE FINITE ELEMENT METHOD." Construction and Architecture 7, no. 3 (2019): 62–66. http://dx.doi.org/10.29039/2308-0191-2019-7-3-62-66.

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The article discusses the modeling of the nonlinear work of the material of the floor slab of a monolithic frame building. Two laws of the deformation of materials in the calculation by the finite element method are investigated. An analysis of the influence of the laws of deformation on the deflections of the floor slab, the main stresses and the destruction schemes of the floor slab by layers allowed us to give recommendations on the consideration of the nonlinear properties of materials when performing strength calculations.

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19

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 (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

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20

Filatov, Valery. "Evaluation of punching shear strength of flat slabs supported on rectangular columns." E3S Web of Conferences 33 (2018): 02007. http://dx.doi.org/10.1051/e3sconf/20183302007.

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The article presents the methodology and results of an analytical study of structural parameters influence on the value of punching force for the joint of columns and flat reinforced concrete slab. This design solution is typical for monolithic reinforced concrete girderless frames, which have a wide application in the construction of high-rise buildings. As the results of earlier studies show the punching shear strength of slabs at rectangular columns can be lower than at square columns with a similar length of the control perimeter. The influence of two structural parameters on the punching

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21

Liu, Ti Feng, Cai Gao Ding, and Fei Leng. "A Removable Stiffness Increasing Device of the Concrete Precast Slab and its Performance Analysis." Advanced Materials Research 1065-1069 (December 2014): 1020–25. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1020.

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Assembled monolithic structure is a common structure in the process of housing industrialization, among which the composite plate is an indispensable element. The thickness of the precast slab of composite plate is small so special measures have to be adopted to prevent the excessive deformation even destruction occurred during hoisting or transport. A novel removable stiffness increasing device for precast slab is presented in this paper. The device consists of steel truss, upper steel plate and steel base plate and can effectively improve the performance of the slab during hoisting and trans

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22

Subbotin, Vitaliy. "MODELING THE WORK OF THE STRUCTURE STRENGTHENING STRUCTURE STRUCTURE BY THE METHOD OF CONNECTING A FOUNDATION BOARD WITH A REMOVABLE FORMWORK IN A TRAY." Construction and Architecture 8, no. 1 (2020): 39–47. http://dx.doi.org/10.29039/2308-0191-2020-8-1-39-47.

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The conditions of creating a model for conducting experimental studies in a tray of a patented reinforcement design of existing strip foundations are considered. It is proposed to simulate and investigate the effectiveness of the new design of reinforcement of the strip foundation, allowing to take into account the rheological processes in the soil of the base when performing measures for structural reinforcement using a profiled sheet in conjunction with monolithic elements. Based on the rules of modeling and similarity theory, it is proposed to determine the optimal conditions for expe

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Molodid, O. S. "INDICATORS OF FLOOR SLABS REINFORCEMENT TECHNICAL AND ECONOMIC INVESTIGATION BY DIFFERENT TECHNOLOGIES." ACADEMIC JOURNAL Series: Industrial Machine Building, Civil Engineering 1, no. 50 (2018): 253–62. http://dx.doi.org/10.26906/znp.2018.50.1083.

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The paper presents the results of technical and economic indicators study of reinforcing monolithic reinforced concrete slab various methods, namely: the supply of metal beams with the installation of additional supports, external reinforcement of stretched zones using MAPEI technology, adhesion of metal plates and carbon fiber to the developed technology. There is established that the highest indicators of the materials cost, labor intensity and wages for the execution of works relate to the option of reinforcing the floor slab by supplying metal structures, and the lowest indicators have opt

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Trekin, Nikolai N., Dmitry Yu Sarkisov, Sergey V. Trofimov, Vladimir V. Krylov, and Elizaveta B. Evstafeva. "Experimental and theoretical study of the strength of plates for pressure." Vestnik MGSU, no. 8 (August 2021): 1006–14. http://dx.doi.org/10.22227/1997-0935.2021.8.1006-1014.

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Introduction. The issues of strength and deformability of reinforced concrete floors during punching remain insufficiently studied at present, despite the numerous publications in the technical literature. This article presents the results of experimental studies of the punching shear strength of fragments of conjugation of flat reinforced concrete monolithic slabs with a column under static loading. The purpose of these studies was to obtain experimental data on the stress-strain state of a fragment of a monolithic floor during static punching and to develop a spatial model based on the finit

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Nosenko, Viktor, and Oleg Krivenko. "Influence of house bearing construction rigidi-ty of precast reinforced concrete on stress-strain state Continuous Flight Auger (CFA) piles foundations." Bases and Foundations, no. 40 (June 4, 2020): 48–57. http://dx.doi.org/10.32347/0475-1132.40.2020.48-57.

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At present, the tendency to build multi-storey residential buildings has become widespread in Ukraine. This is due to a number of reasons: significant increase in land prices in cities, dense urban development and the availability of appropriate equipment for the construction of such structures. One of the most common materials for multi-storey buildings is monolithic reinforced concrete. The main advantage of monolithic structures is the possibility of free spatial planning and the possibility of uniform redistribution of forces in the elements of the frame - the house works as one rigid enti

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Aralov, R., and V. Rimshin. "To the Issue of Strengthening the Monolithic Reinforced Concrete Slab with Carbon Canvases." IOP Conference Series: Materials Science and Engineering 753 (March 7, 2020): 022066. http://dx.doi.org/10.1088/1757-899x/753/2/022066.

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Deineko, Andrei V., Valentina A. Kurochkina, Irina Yu Yakovleva, and Aleksandr N. Starostin. "Design of reinforced concrete slabs subject to the construction joints." Vestnik MGSU, no. 9 (September 2019): 1106–20. http://dx.doi.org/10.22227/1997-0935.2019.9.1106-1120.

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Introduction. When erecting monolithic reinforced concrete floor slabs, a necessity of construction joints arises. The construction joints are the areas of structural weakening. The construction practice shows that the compliance with the correct technology of the construction joint arrangement is not a sufficient condition to ensure the strength balance of reinforced concrete floor slabs. As a result, the stress-deformation state calculated on the assumption of the concrete slab solidity deviates from the actual state. The relevance of the task is determined by the fact that the conformity of

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Krylov, V., D. Sarkisov, E. Ergeshov, and E. Evstaf'eva. "PROGRAM OF EXPERIMENTAL STUDIES OF THE LOAD-BEARING CAPACITY OF GIRDERLESS PLATES FOR PUSHING UNDER DYNAMIC LOADING. DESIGN OF PROTOTYPES." Construction Materials and Products 3, no. 3 (2020): 47–53. http://dx.doi.org/10.34031/2618-7183-2020-3-3-47-53.

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this article presents a program for experimental research of the behavior of reinforced concrete slabs when forced through in static and short-term dynamic loading modes. At hazardous production facilities, there is always an increased probability of emergency situations of disaster nature that lead to explosions and are characterized by a sharp increase in the front, a short duration and a wave character. Taking into account the placement of complex technological processes in buildings, it is now necessary to implement “flexible” space-planning solutions, for example, the use of girderless fl

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Zerkal, Evgeny O., Alexey Yu Kalashnikov, Andrey E. Lapshinov, and Aleksey I. Tyutyunkov. "Using ground penetrating radars to detect internal defects in concrete foundation slabs." Vestnik MGSU, no. 7 (July 2020): 980–87. http://dx.doi.org/10.22227/1997-0935.2020.7.980-987.

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Introduction. The co-authors have analyzed a monolithic reinforced concrete piled raft foundation of a multi-storied residential building under construction. The mission of this research effort is to obtain trustworthy information about the internal structure of a foundation slab, to detect and survey internal defects, if any. This research project is to capture potential problems that may accompany the inspection of a foundation, to generate awareness about ground penetrating radar surveys and their methods that can help to optimize operating processes in the process of inspection. Mate

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Hranilović, Igor, Darko Meštrović, Zsolt Kokrehel, and Dean Čizmar. "Screw Connection in Reinforced Concrete Column Joints of Prefabricated Structures." Solid State Phenomena 259 (May 2017): 249–54. http://dx.doi.org/10.4028/www.scientific.net/ssp.259.249.

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Classic connection between prefabricated reinforced concrete columns on a foundation slab using the concrete plinth base can sometimes be very problematic, especially in limited construction conditions and / or foundation on sandy terrain where the groundwater is very close to the ground surface. By applying the screw connection between a prefabricated reinforced concrete column and the foundation structure using anchor bolts and column shoes, the overall height of the foundation is successfully reduced. The established connection between prefabricated reinforced concrete column and the founda

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G. Tonkacheev and K. Nosach. "Influence of concrete mix properties on technology of arrangement column foundations." Ways to Improve Construction Efficiency, no. 45 (October 16, 2020): 102–11. http://dx.doi.org/10.32347/2707-501x.2020.45.102-111.

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The article analyzes the selection of concrete mix for the device of the columnar foundation under the column of the frame structure. Depending on the technology of the device - monolithic, prefabricated, prefabricated-monolithic - the main factors influencing the choice are determined.Frame structures have been actively erected since the beginning of the 20th century, with the development of industrial construction. The advantages of frame structures are the unification of structural elements, the possibility of using prefabricated elements, universal planning of the structure, its durability

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Dovzhenko, O. O., V. V. Pogribnyi, Yu V. Chursa, and Ya V. Chernenko. "MULTISTORY FRAMED BUILDINGS WITH SLAB CAST OVER PRECAST JOISTS: RECOMMENDATIONS FOR DESIGNING CONCRETE ELEMENTS KEY JOINTS." ACADEMIC JOURNAL Series: Industrial Machine Building, Civil Engineering 1, no. 48 (2017): 100–107. http://dx.doi.org/10.26906/znp.2017.48.783.

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The role of joints which are used to provide interoperability of separate elements in prefabricated monolithic frame design systems with flat slabs was researched. Special attention is paid to key joints that are exposed to significant shear strength and provide the structures’ solidity during the operation. On the basis of the experimental studies, recommendations for the joints design are suggested. In Poltava National Technical University a key joints calculation method has been developed, which considers the damage nature, a set of determining impact factors and is recommended for extensiv

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Berkowski, Piotr, and Grzegorz Dmochowski. "Structural condition assessment of a reinforced concrete driveway." MATEC Web of Conferences 289 (2019): 10002. http://dx.doi.org/10.1051/matecconf/201928910002.

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The reinforced concrete structure of a driveway built in the eighties of the 20th century is under consideration. It is a single-storey structure with a length of approx. 66.00 m, made in the form of a reinforced concrete skeletal structure, consisting of 7 frames with cantilevers, spaced at 9.00 m: 3 frames in the horizontal part of the driveway are three-span ones, and 4 in the sloping part are single-span frames. The driveway frame main beams have a rectangular cross-section and are based on pillars that have been placed on the spread footing these elements form a monolithic structure. Pref

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Sun, Zhijuan, Yukun Mao, Jiliang Liu, Qinyan Zhao, and Mingjin Chu. "Experimental Study on Assembled Monolithic Concrete Shear Walls Built with Precast Two-Way Hollow Slabs." Open Civil Engineering Journal 8, no. 1 (2014): 161–65. http://dx.doi.org/10.2174/1874149501408010161.

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Assembled shear wall built with precast two-way hollow slab is a new-typed shear wall built with precast concrete. In order to study its mechanical property, a quasi-static experiment is conducted with 1 reinforced concrete shear wall and 2 new type shear walls as the study objects. It was found that the internal and vertical joints of the wall body were vulnerable parts so that the new-typed shear wall experienced the loading process from the whole wall to the portioned wall. So, brittle shear failure can be avoided, deformability and anti-collapse performance are greatly improved, and shear

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Li, Qing Ning, Li Jun Li, and Wei Shan Jiang. "Structure and Deflection Analysis of a New Assembled Floor." Advanced Materials Research 446-449 (January 2012): 2998–3002. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.2998.

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For assembly monolithic floor, this paper presents a new idea, that is "precast concrete hollow slab + post-pouring belt ". It reduces the cast layer on the traditional laminated board. The post-pouring belt is pour in the joint parts of beam and board, board and board in order to realize the integrity and ensure the whole stiffness of the floor. In this paper, the vertical force performance of the assembly integral floor is analyzed by using ANSYS finite element program, and the result is contrasted with experiment. A reasonable calculation method of the fabricated floor deflection is suggest

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Vatulia, G. L., O. V. Lobiak, S. V. Deryzemlia, M. A. Verevicheva, and Ye F. Orel. "Rationalization of cross-sections of the composite reinforced concrete span structure of bridges with a monolithic reinforced concrete roadway slab." IOP Conference Series: Materials Science and Engineering 664 (October 29, 2019): 012014. http://dx.doi.org/10.1088/1757-899x/664/1/012014.

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Jabłoński, Łukasz. "Shear problem of T-sectional composite reinforced concrete beams." Budownictwo i Architektura 9, no. 2 (2011): 005–22. http://dx.doi.org/10.35784/bud-arch.2238.

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The article presents data available in the literature concerning shear problem of composite concrete T-beams - their running in support zone and contact surface. To begin with presented where are in the civil engineering T-sectional composite elements. Following made an analysis of method for geometric buckling (according to standards [12,14]) T-sections of monolithic and composite beams without and with cracked contact surfaces. There were also literature [6,7,8,9] and standards [12,13] studies in field of support zone and between flange and web shearing solid T-beams in order to know the mat

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Jursík, Pavel, Jan L. Vítek, and David Čítek. "Analysis of Performance of Local Puzzle Sheet in a Joint Made of UHPC." Solid State Phenomena 272 (February 2018): 141–46. http://dx.doi.org/10.4028/www.scientific.net/ssp.272.141.

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Nowadays the extraordinary mechanical properties of UHPC can be used for real structures. The exceptionally high bond of reinforcement and UHPC together with significant shortening of lap length are the key features for the simplification of joining of precast elements. The properties of UHPC can be very well used also for providing of subsequent shear connection of composite structures. This paper is focused on analysis of performance of a combined joint where connection of precast elements as well as subsequent composite action between steel and concrete parts of steel-concrete composite str

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Melnyk, Igor Vladimirovich, Vasiliy Mikhailovich Sorokhtey, Taras Vladimirovich Prystavskyy, and Vladimir Petrovich Partuta. "MODELING THE WORK OF FRAGMENTS OF MONOLITHIC HOLLOW REINFORCED CONCRETE SLAB STRUCTURES IN THE LIRA SOFTWARE PACKAGE." Вестник Белорусско-Российского университета, no. 3 (2019): 139–46. http://dx.doi.org/10.53078/20778481_2019_3_139.

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Kravchenko, Galina M., Elena V. Trufanova, Dmitry S. Kostenko, and Sergey G. Tsurikov. "Structural Concepts of High-Rise Buildings Resistant to Progressive Collapse." Materials Science Forum 931 (September 2018): 54–59. http://dx.doi.org/10.4028/www.scientific.net/msf.931.54.

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In the article there will be a consideration of collapse process progressive simulation of a high-rise building by removing the first-floor columns. The object of the study will be a 27-storeyed high-rise building. The high-rise building structural concept will consist on a monolithic reinforced concrete frame. The mounting base structural concept has been modeled as absolutely rigid. Static and dynamic calculations have been performed in the «Ing +» software complex, while the wind load pulsating component was taking into account using the finite-element method for the spatial slab-and-rod mo

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Chen, Shi Cai, Wei Ming Yan, Xiao Ming Tian, and Jie Gao. "Experimental and Numerical Investigation on the Seismic Behavior of Large-Scale Beam to Column Exterior Joints with Composite Slab." Advanced Materials Research 243-249 (May 2011): 486–93. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.486.

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In order to analyze seismic behavior of large-scale exterior joints of high-rise precast concrete structures, an experimental study on seismic performances of precast beam to column exterior joints with composite slab was conducted with large full-scale models. The failure pattern, hysteretic characteristic, skeleton curve, displacement ductility and energy dissipation, were analyzed. The results provided some information about the seismic behavior of the joint. However, due to the unique nature of the specimens, several other key parameters could not be varied. Therefore, a numerical joint mo

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Melnyk, Igor Vladimirovich, Vasyl Mikhailovich So Sorokhtey, and Taras Vladimirovich Prystavskyy. "EXPERIMENTAL AND THEORETICAL STUDIES OF PUNCHING THE TOP SHELF OF A MONOLITHIC REINFORCED CONCRETE SLAB WITH VOID FORMING INSERTS." Вестник Белорусско-Российского университета, no. 3 (2016): 169–78. http://dx.doi.org/10.53078/20778481_2016_3_169.

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Sacht, H. M., J. A. Rossignolo, and C. Bueno. "Cast-in-place concrete walls: thermal comfort evaluation of one-storey housing in São Paulo State." Revista IBRACON de Estruturas e Materiais 4, no. 1 (2011): 31–48. http://dx.doi.org/10.1590/s1983-41952011000100003.

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This paper presents a proposal of thermal performance evaluation of a one-storey housing typology (TI24A) executed by CDHU - Companhia de Desenvolvimento Habitacional e Urbano do Estado de São Paulo, considering the use of cast-in-place monolithic panels of concrete, with different thicknesses panels (8, 10 and 12 cm) and density between 1600 and 2400 kg/m³. In this study, the specific purpose was discussing the influence of the characteristic of concrete walls on the housing thermal performance without slab. Was defined of first parameters of study (definition of the one-storey housing typolo

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Cherednichenko, Nadezhda, and Pavel Oleinik. "Methods of erection of high-rise buildings." E3S Web of Conferences 33 (2018): 03040. http://dx.doi.org/10.1051/e3sconf/20183303040.

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The article contains the factors determining the choice of methods for organizing the construction and production of construction and installation work for the construction of high-rise buildings. There are also indicated specific features of their underground parts, characterized by powerful slab-pile foundations, large volumes of earthworks, reinforced bases and foundations for assembly cranes. The work cycle is considered when using reinforced concrete, steel and combined skeletons of high-rise buildings; the areas of application of flow, separate and complex methods are being disclosed. Th

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Bosakov, S. V., A. I. Mordich, A. A. Karyakin, S. A. Sonin, and I. S. Derbentsev. "Distribution of Load Forces in Hollow Core Slabs of Precast Solid Floor Supported on Bearing Walls." Science & Technique 18, no. 2 (2019): 93–103. http://dx.doi.org/10.21122/2227-1031-2019-18-2-93-103.

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The need to cut construction cost of residential and public buildings and provide them with a free and transformable planning structure during their operation cause interest in building wall systems with a large step of bearing walls. In order to reduce labor inputs and increase rate of construction in such building load-bearing system it is also necessary to maximize the use of large-sized prefabricated products and minimize consumption of in-situ concrete. In this case prefabricated products should be substituted according to the conditions of local (regional) construction industry base and

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Chu, Mingjin. "Preface: A SPECIAL ISSUE ON PROGRESS IN CIVIL ENGINEERING." Open Civil Engineering Journal 8, no. 1 (2014): 154. http://dx.doi.org/10.2174/1874149501408010154.

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The Open Civil Engineering Journal, which is one of the most relevant international journals in civil engineering area, wishes to promote the latest researches in engineering structures. This special issue contains 8 invited outstanding articles covering a wide range of topics. We have assembled recent studies in the field of several typical structures, attempting to provide a glimpse into the wide range of engineering problems. It is expected that the special issue will benefit researchers and engineers who are interested in the design of protective structures and stimulate the research inter

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Kelpša, Šarūnas, Gediminas Rinkevičius, Tadas Zingaila, Mindaugas Augonis, and Vadimas Kitovas. "Coefficient of Moment of Inertia for Ribbed RC Slab Beams." Mechanics 25, no. 3 (2019): 178–86. http://dx.doi.org/10.5755/j01.mech.25.3.22691.

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During the design process of monolithic ribbed slabs, engineers face a common issue how to correctly evaluate stiffness of the beams. When Bar and Plate elements are used for analysis of the slabs, the neutral axis of those members are in the same level, therefore the stiffness of (T) shape cross-section is not considered correctly in the calculations. In this case the internal forces are obtained incorrectly as well as deflections of the beams are overestimated. A simple method is discussed in this paper, which allows engineers to calculate internal forces and deformations of mentioned type s

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ISHCHUK, M. K., V. L. ISHCHUK, and G. I. SHAPIRO. "MECHANISM OF THE FORMATION OF CRACKS IN THE BRICK VENEER OF THE EXTERIOR WALLS WITH FLEXIBLE TIES UNDER TEMPERATURE INFLUENCES." Building and reconstruction 94, no. 2 (2021): 14–27. http://dx.doi.org/10.33979/2073-7416-2021-94-2-14-27.

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On the basis of the carried out experimental and numerical studies, the mechanism of crack formation in the masonry of the face layer with flexible ties under temperature influences has been established. Experimental studies were carried out for five years on a floor-high fragment of a building formed by external three-layer walls resting on a monolithic reinforced concrete slab. Numerical studies were carried out using the author's specialized program for calculating masonry structures, which implements the finite element method, taking into account structural nonlinearity. The program was ve

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Bondar, A. V., and V. M. Zagika. "MODERN TECHNOLOGIES OF PREFABRICATED-MONOLITIC FLOORS FOR RECONSTRUCTION OF PUBLIC BUILDINGS." Modern technology, materials and design in construction 29, no. 2 (2021): 35–44. http://dx.doi.org/10.31649/2311-1429-2020-2-35-44.

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During the reconstruction of the school building in Khmilnyk, Vinnytsia region, in order to create an inclusive resource center, it is necessary to replace the existing wooden floor. The floor of a building is a horizontal load-bearing structure created between two vertical rooms to separate them in height. At the same time, it serves as a floor for the upper room and as a ceiling for the lower room. Therefore, it is important to select a more modern reliable version of the floor, the technology of which will meet the limitations and requirements that arise in the reconstruction of public buil

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Čajka, Radim, and Petr Martinec. "Structural Failures of Buildings Caused by Volume Changes of Steel Slag." Transactions of the VŠB – Technical University of Ostrava, Civil Engineering Series 11, no. 2 (2011): 1–9. http://dx.doi.org/10.2478/v10160-011-0037-4.

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Structural Failures of Buildings Caused by Volume Changes of Steel Slag The paper deals with structural failures of buildings caused by volume changes of steel slag in subsoil of hospital in Ostrava-Poruba. The building consists of a monolithic reinforced concrete frame structure with floor slabs on slag sub-base. Latest measured increases in deformations show that the slag swelling in the sub-soil continues, and as the measured dependences show, there is no stabilization of the movement.

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