Dissertation > Industrial Technology > Building Science > Building structure > Concrete structure,reinforced concrete structure > Reinforced concrete structures

The rib floor combinations mold size and across high specific research

Author ZhengBoHua
Tutor XiaoLiangJin
School Guizhou University
Course Hydraulic Structure Engineering
Keywords Gypsum combination of mold Internal Force Analysis ANSYS Deflection Stiffness contribution coefficient β Flat beam Hollow floor
Type Master's thesis
Year 2009
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Although the combination of reinforced concrete plaster mold rib floor system has been widely used in engineering , but also the design theory and calculation methods stagnation in engineering practice , and most of the engineering staff understand their specific circumstances force is not and more . First , the article describes the proposed plate method , quasi - beam method , the look-up table method , cross- ribbed beam structure , method of four beam system , the internal forces and deformation calculation method , and proposed a the stiffness contribution coefficient β this concept , the gypsum composite formwork on the rigidity of the structure of the overall stiffness contribution through the rib beam , so that the existing method of calculation is more accurate calculation of the force and deformation of reinforced concrete plaster combination mode rib floor system . Secondly, the actual situation of the working conditions of the dozen large general-purpose software ANSYS finite element analysis, summarized stiffness contribution coefficient β is calculated and summed up the reinforced concrete plaster combination mode the rib floor system applicable across a high- ratio range , the actual project has a practical significance . Again , as members of reinforced concrete plaster combination mode rib floor system coordination flat beams were analyzed and summarized . Finally , by comparison with ordinary flat-slab architecture , reinforced concrete plaster combination mode rib floor system has the advantages of simple construction , the structure is beautiful , reasonable force , turning waste into treasure , in line with national industrial policies ; and ordinary economic Comparison of the beam and plate system , we more clearly see this new structural system has an unparalleled advantage in the actual project .

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