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Study of the Calculating Method of Crack Resistance and Flexural Capacity for Rectangular Reinforced RPC Beam

Author: LuXiaoLv
Tutor: GaoRi
School: Beijing Jiaotong University
Course: Structural Engineering
Keywords: Reactive powder concrete Girder Crack resistance Ultimate bearing capacity Calculation methods Finite Element
CLC: TU311.4
Type: Master's thesis
Year: 2011
Downloads: 74
Quote: 0
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Abstract


Reactive powder concrete (Reactive Powder Concrete, RPC) is a new generation of ultra-high strength , high durability , high toughness of the composite material , it has many features to make broad prospects for engineering applications . However, agencies RPC research results are more concentrated in the optimization and basic mechanical properties of the material ratio , for the RPC load-bearing component failure modes , calculation methods , design methods , structural measures , such as lack of systematic research . Some domestic institutions with ordinary reinforced concrete members design theory RPC load-bearing components for the design, which caused a great waste of RPC material applications . Many test results at home and abroad , carried out single- Reinforced Rectangular the RPC beam bending performance and section crack resistance and flexural capacity of the influencing factors on the basis of the test beam flexural test six RPC Harbin Institute of Technology Li Li , system analysis and research , and the RPC beam normal section crack resistance and flexural capacity of the calculation done in-depth discussion . The first use of mathematical equations RPC cross-section the tension zone plasticized coefficient κ, the cross-section to resist the moment impact coefficient γrm and steel fiber tension zone RPC tensile strength influence coefficient respectively βrtm these three beam reinforcement ratio ρ relations were fitting and simplified set of actual operational RPC reinforcement beam normal section crack resistance and flexural carrying capacity calculated based on the calculation of ordinary reinforced concrete and steel fiber reinforced concrete theory . Finally, examples of five RPC beam nonlinear finite element analysis using finite element analysis software ANSYS finite element model , analog force the whole process , while the results of numerical analysis and the proposed calculation method calculated the theoretical results of the comparative analysis . This article contains Figure 38 , Table 19 , Reference 44 .

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CLC: > Industrial Technology > Building Science > Building structure > Structure theory to calculate > Structural Mechanics > Calculation method
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