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Relevant bibliographies by topics / Ribbed slab

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Academic literature on the topic 'Ribbed slab'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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Journal articles on the topic "Ribbed slab"

1

Zhang, Jing Shu, Huan Huan Nie, Yuan Long Yang, and Yuan Yao. "Research and Application of Pre-Stressed Concrete Composite Slabs." Applied Mechanics and Materials 166-169 (May 2012): 131–39. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.131.

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The pre-stressed concrete composite slab, which combines the advantages of cast-in-place slabs and precast slabs, has promising development prospects. In the paper, according to structural integrity, bond performance, sound insulation, thermal preservation and construction techniques, four categories composite slab, such as the composite slab with flat bottom panel (including the composite slab with bar truss reinforced precast concrete bottom panel), the concrete composite slab with precast ribbed panel, the composite slab with hollow bottom panel and the composite slab with sandwich bottom panel are studied. The composite slab with flat bottom panel has poor structural integrity, and its bond performance and crack resistance of edge joint details need to be improved; the composite slab with bar truss reinforced precast concrete bottom panel has enough bond force, but its storage and transportation are inconvenient; the concrete composite slab with precast ribbed panel has good structural integrity and convenient construction procedure; the composite slab with hollow bottom panel and the composite slab with sandwich bottom panel have functions of sound insulation and thermal preservation, however they are inadequacy to resist bending moment and have complex construction procedure. The concrete composite slab with precast ribbed panel is provided with good mechanical behavior, economy and practicability, and is worth further researching and promoting.

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Shi, X. M., C. S. Cai, George Voyiadjis, and Zhongjie Zhang. "Design of Ribbed Concrete Approach Slab Based on Interaction with the Embankment." Transportation Research Record: Journal of the Transportation Research Board 1936, no. 1 (January 2005): 181–91. http://dx.doi.org/10.1177/0361198105193600121.

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To alleviate the “bump” problem at bridge ends, a ribbed concrete approach slab (similar to slab-on-beam bridge decks) was proposed in place of the pile–column-supported approach span or flat slab system. The effect of given embankment settlement on the structural performance of a ribbed concrete approach slab with a span length of 60 ft and a width of 40 ft was investigated. The approach slab was modeled as a ribbed slab with a beam spacing of 32, 16, and 12 ft. A three-dimensional finite element analysis was conducted to model the interaction between the approach slab and the embankment soil. Finite element modeling techniques that simulate the separation of the slab and soil provide information on the effect of the embankment settlement on structural performance and beam design. The predicted internal forces provide design engineers with a scientific basis to design the approach slab properly, considering different levels of embankment settlements. Current AASHTO code specifications do not provide guidelines to design approach slabs considering the embankment settlement.

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Han, Gui Hua, Bing Wei Gao, Yun Fei Wang, Gui Tao Sun, Di Wu, and Jun Peng Shao. "Optimization Design on Ribbed Slab for Crossbeam of Heavy NC Gantry Moving Boring & Milling Machine." Applied Mechanics and Materials 121-126 (October 2011): 3386–90. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.3386.

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In order to improve the dynamic characteristics of crossbeam of heavy NC gantry moving boring & milling machine, the ribbed slab structure of beam were analyzed and optimized with the finite element analysis software, and the comprehensive optimization method of the number, size and layout of ribbed slab were putted forward based on the classification of ribbed slab structure. According to the result of the finite element analysis, the internal type and horizontal spacing of ribbed slab are optimized to get the best number, spacing, thickness and height of ribbed slab; Under the required intensity, stiffness and stability conditions materials are distributed reasonably to reduce beam weight which make little deformation and the uniform stress distribution. The comprehensive optimization method study has reference value for ribbed slab structure design.

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Buka-Vaivade, Karina, Dmitrijs Serdjuks, Janis Sliseris, Andrejs Podkoritovs, and Raimonds Ozolins. "TIMBER-CONCRETE COMPOSITE RIBBED SLABS WITH HIGH-PERFORMANCE FIBRE-CONCRETE." ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 16, 2021): 40–44. http://dx.doi.org/10.17770/etr2021vol3.6551.

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Composite of such renewable material as timber and the most popular man-made material as concrete offers many benefits. Such of them are high load-bearing capacity with low dead load and increased structural bending stiffness. Higher specific strength of high-performance concrete in comparison with ordinary concrete ensures more efficient use of the material. Addition of fibres can reduce the fragility and autogenous shrinkage cracks of high-performance concrete and makes it possible to design thinner layers of concrete for timber-concrete composite structures. Ribbed slabs as solution for the floor slabs, allows to reduce material consumption and to integrate engineering communications into the structures. The current study focuses on determining the effect of the use of high-performance fibre reinforced concrete for timber-concrete composite ribbed slabs with adhesive connection between layers, as the most effective connection type for composite action. The effect of the use of high-performance fibre reinforced concrete is determined by comparison of mid-span displacements of the ribbed slabs numerical models. Three-dimensional finite element models of timber and ordinary concrete composite ribbed slab and high-performance fibre reinforced concrete with additional longitudinal reinforcement ribbed slab are validated by experiment data. Developed numerical models makes it possible to predict the dependence of applied load on mid-span displacement in three-point bending with sufficient precision. Obtained results showed, that replacement of ordinary concrete layer by high-performance fibre reinforced concrete in timber-concrete composite ribbed slab with adhesive connection up to 1.68 times decrease vertical mid-span displacements.

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Qiu, Ji Sheng, and Guang Hong Xiong. "Pseudo-Plate Method of High-Strength Steel Fiber Concrete Multi-Ribbed Slab." Advanced Materials Research 368-373 (October 2011): 1626–31. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.1626.

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Basing on the disadvantages of multi-ribbed slab in practice, a new high-strength steel fiber concrete (HSFC) composite multi-ribbed slab structure is introduced. Because adding steel fibers can improve the capacity of the concrete, it also can make some influence on the mechanic performance of HSFC multi-ribbed slab, such as elastic module, shear module, flexural rigidity, and torsion rigidity and so on. So by the analysis of the material and mechanic capacity and considering the influence of steel fiber, the formulas to calculate flexural rigidity, torsion rigidity, deflection and internal force of the new composite slab are given, in which the multi-ribbed slab is equivalent to orthotropic slab by the principle of stiffness coincidence. The study in this paper can provide some valuable theory references for further study and application of multi-ribbed slab.

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Zhao, Dong Qi, Yi Jun Tang, Hui Li, Gui Feng Song, and Feng Ling Guan. "The Application Research of Reinforced Concrete Multi-Ribbed Hollow Composite Slab in the Road Slab Culvert." Advanced Materials Research 368-373 (October 2011): 307–11. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.307.

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Reinforced concrete cover in the road culvert cover design, in order to facilitate the construction, usually using precast reinforced concrete solid slab, but the overall cost is not low. This article researched a reinforced concrete multi-ribbed hollow composite slab, it based on the theory of reinforced concrete multi-ribbed slab structures, using a precast reinforced concrete ribbed slab as the bottom die, then poured reinforced concrete beams and panels rib ,and them constituted a whole stack of reinforced concrete ribbed hollow slab. This kind of cover, compared with the precast reinforced concrete solid cover, is not only good mechanical properties, high integrity, but also saving concrete, steel, and bottom slab appeared smooth and fine, lower construction cost.

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Samsudin, Amir Syafiq, Mohd Hisbany Mohd Hashim, Siti Hawa Hamzah, Afidah Abu Bakar, and Mohamad Firdaus Mohamad. "Modelling of Steel Fibre Reinforced Concrete Ribbed Slab under Multiple Ribbed Condition." Advanced Materials Research 1134 (December 2015): 127–30. http://dx.doi.org/10.4028/www.scientific.net/amr.1134.127.

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Nowadays, demands in the application of fiber in concrete increase gradually as an engineering material. Rapid cost increment of material causes the increase in demand of new technology that provides safe, efficient and economical design for the present and future application. The introduction of ribbed slab reduces the material and thus the cost but the strength of the structure also reduce due to the reducing material. This paper will focus on modelling behavior of ribbed slab reinforced with steel fibre using Lusas Modeller. The structure design is in full aspect to optimize the function of steel fibre and the slab rib capability. This research focus on modelling of multiple type of steel fibre ribbed slab consist of two ribbed slab, and also three ribbed slab in similar size of 1500mm x 1000mm x 75mm using concrete Grade 30. Load was applied until failure under three point loading system. It is importance to find the ultimate strength of the sample and the behavior of structure under vertical stress. Steel fibre is expected to reduce the issue of micro crack and enhance the performance of concrete.

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Li, B., X. Y. Ren, Y. Q. Lin, and L. L. Liu. "Fire Behavior of Continuous Assembled Monolithic Hollow-Ribbed Slabs." Advances in Civil Engineering 2020 (September 7, 2020): 1–14. http://dx.doi.org/10.1155/2020/2940894.

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To further understand the fire behavior of assembled monolithic hollow-ribbed (AMH) slab floor, a fire test was performed on six small-scale continuous AMH slabs (two by three). In this paper, the special designed furnace and relevant experimental phenomena are briefly introduced. Detailed experimental results in the form of furnace temperatures, temperature distributions, vertical deflections, and failure criteria are presented. The test data indicate that almost all the AMH slabs showed upward displacements during the fire tests, which is very distinct with the isolated AMH slab under fire. As the edge girders transformed into the frame girders gradually, the edge girders would show displacement plateaus. The integrity of the AMH slab under elevated temperature should receive more critical role to serve as its failure criterion compared with the load bearing function. Except fire environment, boundary constraint conditions also have a considerable effect on the elevated temperature deformations of the structural elements. At last, several rational suggestions are provided to improve the fire resistance of the AMH slabs.

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Yuan, Hai Jun, Lang Cao, and Liang Hao Deng. "Research on Out-Plane Bending Stiffness of Multi-Ribbed Slab Structure." Advanced Materials Research 838-841 (November 2013): 597–600. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.597.

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Floor loads of the large-bay floor can cause larger bending moment at the floor edges. So the shear-wall need to bear greater out-plane bending moment and this problem can not be ignored. multi-ribbed slab structure is a new wall. The paper Calculated out-plane bending-stiffness of multi-ribbed slab by using the equivalent-stiffness method. The results show that: the equivalent stiffness method is simple and ribbs should not be too large, width-height ratio control between 1 and 3, wall length is about 5.4m.

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SAMSUDIN, AMIR SYAFIQ, MOHD HISBANY MOHD HASHIM, SITI HAWA HAMZAH, and AFIDAH ABU BAKAR. "Bending Strength of Steel Fibre Reinforced Concrete Ribbed Slab Panel." Scientific Research Journal 15, no. 1 (March 30, 2018): 15. http://dx.doi.org/10.24191/srj.v15i1.4165.

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Nowadays, demands in the application of fibre in concrete increase gradually as an engineering material. Rapid cost increment of material causes the increase in demand of new technology that provides safe, efficient and economical design for the present and future application. The introduction of ribbed slab reduces concrete materials and thus the cost, but the strength of the structure also reduces due to the reducing of material. Steel fibre reinforced concrete (SFRC) has the ability to maintain a part of its tensile strength prior to crack in order to resist more loading compared to conventional concrete. Meanwhile, the ribbed slab can help in material reduction. This research investigated on the bending strength of 2-ribbed and 3-ribbed concrete slab with steel fibre reinforcement under static loading with a span of 1500 mm and 1000 mm x 75 mm in cross section. An amount of 40 kg/m steel fibre of all total concrete volume was used as reinforcement instead of conventional bars with concrete grade 30 N/mm2. The slab was tested under three-point bending. Load versus deflection curve was plotted to illustrate the result and to compare the deflection between control and ribbed slab. This research shows that SFRC Ribbed Slab capable to withstand the same amount of load as normal slab structure, although the concrete volume reduces up to 20%.

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Dissertations / Theses on the topic "Ribbed slab"

1

Mahmoud, Walid Y. "Moment coefficients for ribbed slabs with solid slab strip support." Thesis, University of Leeds, 1989. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.729317.

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Ho, S. L. "An investigation into the behaviour of hollow ribbed (waffle) rectangular reinforced concrete slabs at ultimate limit state." Thesis, University of Abertay Dundee, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234752.

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3

Costa, Yuri ClÃudio Vieira da. "AnÃlise paramÃtrica de vibraÃÃes em laje nervurada devido Ãs aÃÃes humanas." Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=8933.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico
Em Fortaleza, a utilizaÃÃo de lajes nervuradas de concreto armado em edifÃcios de mÃltiplos pavimentos Ã bem difundida, sendo essas edificaÃÃes destinadas as mais diversas finalidades, como academias, supermercados, estacionamentos e unidades residenciais. Esse tipo de laje surgiu como uma alternativa para se vencer grandes vÃos e reduzir o peso prÃprio das estruturas. Assim como as estruturas evoluÃram, o comportamento das pessoas tambÃm foi se adaptando Ãs modernidades. Hoje em dia Ã muito comum equipamentos de ginÃstica portÃteis residenciais, como bicicletas ergomÃtricas, pequenas camas elÃsticas, entre outros. Ã notÃrio que tambÃm ocorreu uma disseminaÃÃo de academias de ginÃstica em Shopping Centers, em pequenos centros comerciais e atÃ em edifÃcios residenciais. AlÃm do mais, nÃo Ã sÃ a atividade aerÃbica que pode gerar vibraÃÃes em lajes. Outras atividades tambÃm podem, tais como uma simples reuniÃo entre amigos para assistir a uma partida de futebol, crianÃas brincando, entre outros. O problema Ã que essas vibraÃÃes podem causar incÃmodo nas pessoas, dÃvidas a respeito da seguranÃa da estrutura, desplacamento de pisos e atÃ, dependendo da intensidade das vibraÃÃes, risco de colapso. Portanto, o objetivo deste trabalho Ã analisar o comportamento dinÃmico de lajes nervuradas de concreto armado quando submetidas a aÃÃes humanas rÃtmicas. Para tal, sÃo realizados estudos paramÃtricos, utilizando o programa computacional SAP 2000 â v.14 (CSI, 2008). As lajes sÃo modeladas por elementos finitos sÃlidos tridimensionais, a fim de obter naturalmente a excentricidade entre os elementos estruturais (mesa, nervura e viga de bordo). Os resultados sÃo comparados entre si e com a anÃlise estÃtica destas lajes utilizando as cargas propostas por norma. AlÃm disso, as respostas dinÃmicas sÃo comparadas a padrÃes normativos fornecidos pela NBR 6118 (ABNT, 2003) no que se refere Ãs frequÃncias naturais e a padrÃes internacionais no tocante ao conforto humano. As anÃlises revelam que as lajes estÃo sujeitas a elevados picos de aceleraÃÃo e velocidade.

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Avilla, Junior Jovair. "Contribuição ao projeto e execução de lajes lisas nervuradas pré-fabricadas com vigotas treliçadas." Universidade Federal de São Carlos, 2010. https://repositorio.ufscar.br/handle/ufscar/4656.

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The big surge in use of systems for flat slabs gave up the search for freedom in the definition and organization of architectural interior spaces in buildings. The design and construction of buildings on flat slabs, which allow great mobility in defining the internal space of the building and reducing its height. The slabs with prefabricated trussed beams using forms lost in blocks of expanded polystyrene (EPS) or removable forms, brought new perspectives to the design of flat slabs, allowing greater spans with low deadweight. The precast elements are lightweight, easy handling, transport and assembly, and require the use of molds and special equipment and requires little bracing. Computer programs have emerged in recent years provide more refined calculations that predict the behavior of the structure in service with greater precision. This way the designers have increased security in systems design less common as flat slabs ribbed, without internal beams, capitals and even edge beams. In Brazil the predominant culture in the design and implementation of flat slabs is given by the system option molded on site. The objectives of this study are: to seek answers to the prevailing cultural behavior, and to compare their advantages and disadvantages when compared with cast on site, presenting the normative regulations and simplified calculation method according to ABNT NBR 6118:2003, provide subsidies for the project and implementation of flat slabs with ribbed prefabricated trussed beams, provide a calculation method for the infinitely rigid diaphragm; present a real case study as a comparison of costs.
O grande impulso na utilização dos sistemas de lajes lisas deu-se pela busca de liberdade na definição e organização arquitetônica de espaços internos em edifícios. O projeto e execução de edificações em lajes lisas, permitem grande mobilidade na definição do espaço interno do edifício e na redução da sua altura final. As lajes pré-fabricadas com vigotas treliçadas que utilizam fôrmas perdidas em blocos de Poliestireno Expandido (EPS) ou fôrmas removíveis trouxeram novas perspectivas ao projeto de lajes lisas, permitindo vãos maiores com baixo peso próprio. Os elementos pré-moldados são leves, de fácil manuseio, transporte e montagem, dispensam o uso de fôrmas e equipamentos especiais e requerem pouco escoramento. Programas computacionais surgidos nos últimos anos propiciam cálculos mais refinados que permitem prever o comportamento em serviço da estrutura com maior precisão. Dessa maneira, os projetistas têm maior segurança no projeto de sistemas menos usuais, como lajes lisas nervuradas, sem vigas internas, capitéis e até mesmo vigas de borda. No Brasil, a cultura predominante no projeto e execução de lajes lisas se dá pela opção do sistema moldado no local. Nestes termos, os objetivos do presente trabalho são: buscar respostas para o comportamento cultural predominante; comparar suas vantagens e desvantagens em relação aos sistemas moldados no local; apresentar as regulamentações normativas e o método de cálculo simplificado segundo a ABNT NBR 6118:2003; fornecer subsídios para o projeto e execução das lajes lisas nervuradas pré-fabricadas com vigotas treliçadas; apresentar um método de cálculo para o diafragma infinitamente rígido e apresentar um estudo de caso real como comparativo de custos.

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Mach, Stanislav. "Penzion." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227548.

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This thesis solves the construction of a pension that is situated on the street Vídeňská in Mikulov. It is 3-storey building and it is based on strip foundations. The roofing of the pension is solved with hipped mansard roof. The building plot is on the mildly sloping terrain, situated towards the south. Technical design solves the object, which is suitable for short accommodation in form of the pension with full board. The purpose of the use of the building is providing accommodation and restaurant services.

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Baharom, Shahrizan. "Composite beams with openings in metal-ribbed decking slabs." Thesis, Swansea University, 2010. https://cronfa.swan.ac.uk/Record/cronfa42871.

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Hussein, Ahmad Fikri. "Punching shear strength at edge columns in ribbed flat slabs." Thesis, University of Leeds, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367699.

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LOPES, André Felipe de Oliveira. "Estudo comparativo entre lajes nervuradas moldadas no local com fôrmas de polipropileno e lajes pré-fabricadas treliçadas." Universidade Federal de Pernambuco, 2015. https://repositorio.ufpe.br/handle/123456789/16648.

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FACEPE
Diante do desenvolvimento da construção civil nos últimos anos e do aumento da concorrência entre as empresas deste setor, faz-se necessário oferecer alternativas estruturais e construtivas que permitam maior eficiência e redução de custos nas execuções das obras. O desenvolvimento das tecnologias na área de informática vem propiciando cada vez mais condições para análises estruturais de alta complexidade, que estão materializadas em programas comerciais de cálculo estrutural, os quais tornam o dimensionamento das estruturas mais produtivo e estão cada vez mais importantes na rotina do engenheiro estrutural. Este trabalho apresenta um estudo técnico comparativo entre lajes nervuradas em concreto armado bidirecionais moldadas no local com fôrmas de polipropileno e unidirecionais pré-fabricadas treliçadas. Inicialmente, realizou-se um estudo paramétrico comparativo de esforços, deslocamentos e de custo de lajes com geometrias quadradas e retangulares em função de suas dimensões em planta. Em seguida, desenvolveu-se uma análise comparativa de um estudo de caso, onde se adotou um edifício modelo localizado na cidade de Caruaru-PE, o qual foi dimensionado empregando os dois sistemas construtivos de lajes abordados nesta pesquisa. Na análise do referido estudo de caso observou-se o comparativo de esforços, deslocamentos verticais e horizontais e estabilidade da estrutura, bem como, os custos dos elementos estruturais que compõem a estrutura do edifício analisado para os dois modelos de sistemas construtivos utilizados. As simulações das estruturas foram efetuadas utilizando modelos gerados em computador no software CYPECAD versão 2012a. Os cálculos dos esforços e deslocamentos, assim como o dimensionamento da estrutura, foram obtidos através do referido programa. Após o dimensionamento e a análise dos resultados, foram extraídos do programa os quantitativos referentes aos esforços cortantes, momentos fletores, deslocamentos, consumos de fôrmas, concreto e armadura. Em seguida, fez-se a composição do custo total da estrutura para cada sistema estrutural e efetuou-se a comparação entre os dois sistemas construtivos de lajes analisados neste trabalho.
With the development of civil construction in recent years and the increased competition between the companies in this sector, is made necessary provide structural and constructive alternatives that allowing greater efficiency and cost savings in the execution of works. The development of the technologies in computer science area comes increasingly providing conditions for structural analysis of high complexity, which are materialized in commercial programs of structural calculation, which make the sizing of more productive structures and are increasingly important in the structural engineer's routine. This work presents a comparative technical study between ribbed slabs bidirectional molded on site with polypropylene molds and lattice slabs unidirectional prefabricated in reinforced concrete. Initially was held a comparative parametric study of efforts, displacements and cost of slabs with square and rectangular geometries according to their dimensions in plant. Then developed a comparative analysis of a case study, which adopted a model building located in the city of Caruaru-PE, which has been sized using the two building systems of slabs covered in this research. In analysis of this study of case was observed the comparative of efforts, vertical and horizontal displacements and stability of the structure, as well as the costs of structural elements comprising the building structure analyzed for the two types of construction systems used. The simulations of the structures were made using computer generated models in CYPECAD software version 2012a. The calculations of the efforts and displacements, as well as the sizing of the structure, were obtained through this program. After the sizing and analysis of the results, were extracted from the program the quantitatives relating to shear efforts, bending moments, displacements, molds consumption, concrete and armor. Then, was made the composition of the total cost of the structure for each structural system and was executed the comparison between the two building systems of slabs examined in this work.

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Hůlka, Jakub. "Polyfunkční dům." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225874.

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This Master's thesis "Multi-function building" deals with a project of new multi-function building. It is in a stage of project documentation. An object is design as a detached house. The house is slab-on-ground with four stories. In the object are designed 8 flats with 7 garages. In the first story is situated a wellness centre and an office. The roof is flat, projected as single-skin. A carrier system is made from sacrificial formwork system. A construction of a ceiling is projected as ribbed floor. Windows and entering doors are plastic, interior doors are wooden. A part of work is a specialization from a branch concrete structures.

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Šuba, Pavel. "Polyfunkční objekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227643.

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This thesis solves the design of multifunctional building. The building is situated on the outskirts of Mikulov in the cadastral area Mikulov in Moravia. Plot number is the 5087th. Multifunctional house will be used for housing of 26 people and providing commercial services. There are considered groceries and hairdressing salon. The building is designed without a basement, four-storey, with a gabled roof. It is based on the footings of plain concrete. The structural system consists of wall formwork system from VELOX.

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Books on the topic "Ribbed slab"

1

Construction Industry and Information Association., ed. Fire tests on ribbed concrete slabs: Observations on the influence of aggregate, surface protection and repair methods. London: CIRIA, 1987.

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Book chapters on the topic "Ribbed slab"

1

Grishin, Ilya, Rashit Kayumov, and Gennady Ivanov. "Computational Model of a Slab Supported by a Cross-Ribbed System." In Lecture Notes in Civil Engineering, 237–46. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72404-7_24.

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Vidyarthi, Piyush, Dipti Singh, Shilpa Pal, and Seema Agrawal. "Cost Optimization of 2-Way Ribbed Slab Using Hybrid Self Organizing Migrating Algorithm." In Advances in Intelligent Systems and Computing, 30–37. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3325-4_4.

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Qiao, Wentao, Qi An, Mingshan Zhao, and Dong Wang. "EXPERIMENTAL STUDY ON THE FUNDAMENTAL MECHANICAL FEATURES OF CABLE-SUPPORTED RIBBED BEAM COMPOSITE SLAB STRUCTURE." In Volume 13 Number 2, 96–116. The Hong Kong Institute of Steel Construction, 2017. http://dx.doi.org/10.18057/ijasc.2017.13.1.5.

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"Ribbed slabs." In The Design of Prestressed Concrete Bridges, 373–92. CRC Press, 2007. http://dx.doi.org/10.1201/9781482267617-21.

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"RIBBED SLABS (SOLID OR HOLLOW BLOCKS OR VOIDS)." In Reinforced Concrete Design to BS 8110 Simply Explained, 149–56. CRC Press, 2002. http://dx.doi.org/10.1201/9781482288865-18.

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"A new type of hollow brick element ‘Ortho’ for grillage and ribbed slabs." In Building the Future, 164–72. CRC Press, 2003. http://dx.doi.org/10.1201/9781482271263-25.

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"Flexure retrofitting of ribbed one-way reinforced concrete slabs through external reinforcing bars." In Concrete Repair, Rehabilitation and Retrofitting III, 441–42. CRC Press, 2012. http://dx.doi.org/10.1201/b12750-196.

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Conference papers on the topic "Ribbed slab"

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Ahmad, Hazrina, Mohd Hisbany Mohd Hashim, Afidah Abu Bakar, Siti Hawa Hamzah, and Fadhillah Abdul Rahman. "Flexural strength and behaviour of SFRSCC ribbed slab under four point bending." In PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON CONSTRUCTION AND BUILDING ENGINEERING (ICONBUILD) 2017: Smart Construction Towards Global Challenges. Author(s), 2017. http://dx.doi.org/10.1063/1.5011494.

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Liu, Lihua, Aimin Wang, and Hui Xu. "Notice of Retraction Thermal property research of the multi-ribbed compound wall-slab." In 2011 International Conference on Electrical and Control Engineering (ICECE). IEEE, 2011. http://dx.doi.org/10.1109/iceceng.2011.6058264.

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Herraiz, Borja, Henar Martin-Sanz, and Nadja Wolfisberg. "Restoration of a historic reinforced concrete structure with Ultra-High Performance Fiber Reinforced Concrete." 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.2019.2500.

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<p>The historic building "Du Pont" in Zurich, Switzerland, was constructed between 1912 and 1913 by the Swiss architects Haller & Schindler and it is listed as a cultural heritage object, including not only the Art Deco façade, but also the ground-breaking structure of reinforced concrete. The building includes several structural particularities, such as the slender, reinforced concrete, one-way ribbed slabs, a reinforced concrete truss structure in the roof hanging four floors and three transfer beams on the ground floor diverting the loads from the seven upper floors. This paper presents a detailed description of the different strengthening measures required to allow a more flexible use of the existing floors with larger live and dead loads, and to fulfil the current provisions of the Swiss Standards (SIA). The main objective of the proposed restoration and strengthening measures is to minimize the interventions as much as possible and preserve the original structural system. Of particular interest is the innovative solution adopted for the existing ribbed slabs. The required increase of resistance is obtained through a thin 40 mm overlay of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) above the carefully prepared existing slab. Due to the significance of the building and the particular characteristics of the existing concrete, experimental tests were conducted. Four specimens of the ribbed slabs were extracted from the building, strengthened on site with UHPFRC and transported to the structural laboratory of the Swiss Federal Institute of Technology in Zürich (ETHZ), where the tests were conducted. The excellent results confirmed the suitability of the proposed strengthening solution through UHPFRC, setting a milestone for future restorations of these particular structures.</p>

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Al-Tamimi, Ahmed, Mohammed Al-Osta, Omar Baghabra Al-Amoudi, and Rached Ben-Mansour. "Thermal Simulation for a Room with Solid and One-Way Ribbed Slab Using FEM." In The 2nd World Congress on Civil, Structural, and Environmental Engineering. Avestia Publishing, 2017. http://dx.doi.org/10.11159/icsenm17.137.

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Rahman, Fadhillah Abdul, Afidah Abu Bakar, Mohd Hisbany Mohd Hashim, and Hazrina Ahmad. "Flexural performance of steel fiber reinforced concrete (SFRC) ribbed slab with various topping thicknesses." In PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON CONSTRUCTION AND BUILDING ENGINEERING (ICONBUILD) 2017: Smart Construction Towards Global Challenges. Author(s), 2017. http://dx.doi.org/10.1063/1.5011493.

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Jiang, Yingbo, and Wei Chen. "Experimental Study on One-Way Slab of Ceramsite Concrete with Cold Rolling Spiral Ribbed Steel Wires Welding Mesh." In 2010 International Conference on E-Product E-Service and E-Entertainment (ICEEE 2010). IEEE, 2010. http://dx.doi.org/10.1109/iceee.2010.5660561.

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Silva, Talita L., and Isabel B. Valente. "Numerical assessment of shear connection for steel and concrete composite floors." In IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.1156.

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<p>The use of steel and concrete in composite floors contributes to more sustainable constructions, because they become lighter, the overall weight of the building is reduced and the steel components can act as formwork. Composite flooring solutions are usually composed by a composite concrete slab and a steel profile. This system is mechanically successful if shear connectors are used, as they guarantee the transmission of shear stresses between the steel and the concrete components. This investigation proposes the use of a connection system, composed by a ribbed steel plate welded to the profile and is embedded into the concrete slab after the concreting phase. The study was carried out through numerical modelling to represent a group of push-out tests previously performed. From the comparison with the experimental results, it was possible to calibrate the numerical models and developed parametric analyses.</p>

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Ahmed, Inas Mahmood, Konstantinos Daniel Tsavdaridis, Farzad Neysari, and John Forth. "Push-Out Tests for a Novel Prefabricated Steel-Concrete Composite Shallow Flooring System." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Valencia: Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.6925.

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This paper introduces a novel prefabricated and shallow steel-concrete composite flooring system which is consisted of two main structural components: two C-channel steel beams and a partially encased concrete floor. The concrete floor, which is in the form of T ribbed slab sections, was constructed using two types of concrete (reinforced normal concrete and reinforced lightweight aggregate concrete). The steel edge beams partially encase the floor slab and provide clear and straight finish edges. The floor slab spans to a maximum of 2.0m inclusive of the width of the steel edges with a finished depth of only 230mm. The unique features of the proposed system are reducing the weight and the number of erection lifts (during installation) by using lighter elements (lightweight concrete and shallow steel beams) while the wider possible units have been proposed to fit on transportation tracks; further reducing the extent of site works by pre-off site fabrication, examining the material cost against the fabrication and site erection costs. For the composite slab in bending, the longitudinal shear force is transferred by a unique shear mechanism which results from the special shear connectors. This paper includes the work of a total 2 full-scale push-out tests aimed at investigating the longitudinal shear behaviour of these novel flooring systems and the effects of additional shear connectors. An analytical work is also carried out to investigate the failure mechanism of the system.

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Xiao, Keli, Yanjun Jin, Lin Li, Wei He, and Duan Xinlong. "Prefabricated Box Girder with Ultra High Performance Concrete." In IABSE Conference, Kuala Lumpur 2018: Engineering the Developing World. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/kualalumpur.2018.0744.

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<p>In order to solve traffic difficulty brought by the bridge construction in the city, and difficult transportation of beams, this paper puts forward the prefabricated-box-girder bicycle viaduct with ultra - high performance concrete (UHPC) through which will achieve light and thin beams, easy transportation and rapid construction. Based on the bicycle viaduct with 5.5m in width, this paper not only designs a prefabricated ribbed thin-walled box girder with 30m in span, including the detailed design of prefabricated segment stiffeners, shear connectors and external prestressing but also compares the UHPC box girder with ordinary concrete box girder and steel box girder. The research shows that with the application of UHPC in prefabricated viaduct in city, the ratio of height to span of beams and the slab thickness decrease to 1/30 and 10cm respectively, the dead weight is 50% lower than that of the ordinary concrete beams and the 3m long lifting weight is only 10 tons. Light and thin beams are suitable for transportation in city because of their low requirements for transportation and hoisting equipment. UHPC beams have no steel bars and own the advantages of dense texture, good durability, low maintenance costs, reflecting the concept of low carbon environmental protection and green bridge.</p>

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Abdulhussein, Samer S., and Ashraf A. Alfeehan. "Utilization of Iron Lathe Waste and Post-Tensioned Steel Reinforcement in Lightweight Concrete Ribbed Slabs." In 2020 2nd Al-Noor International Conference for Science and Technology (NICST). IEEE, 2020. http://dx.doi.org/10.1109/nicst50904.2020.9280310.

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Reports on the topic "Ribbed slab"

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STUDY ON DYNAMIC BEHAVIORS AND VIBRATION REDUCTION TECHNIQUES ON CABLE-SUPPORTED RIBBED BEAM COMPOSITE SLAB. The Hong Kong Institute of Steel Construction, March 2019. http://dx.doi.org/10.18057/ijasc.2019.15.1.10.

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