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Research on Performance of Bar-Reinforcing-Net Sandwich Concrete Wallpanels

Author: WangZhenLong
Tutor: ZhouGuangChun；WangWei
School: Harbin Institute of Technology
Course: Engineering Mechanics
Keywords: composite sandwich wall panel flexural capacity compressivestrength thermal performance FEA
CLC: TU551
Type: Master's thesis
Year: 2010
Downloads: 40
Quote: 0
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Abstract


In the construction field, energy efficiency is an important measure ofimplementing the scientific outlook on development and building resource-savingand environment-friendly society, as well as an important part to achievesustainable socio-economic development. Furthermore, improving the insulatingperformance of building maintenance is an important manifestation of promotingbuilding energy efficiency. In recent years, new wall materials and energy-savingsystem for residential buildings are springing up development, but up to now theirresidential use rate has not been high in our country; one of the reasons is that theystill have many problems such as insulation, leaks, corrosion, aging, life expectancylower than the durability of buildings and so on, which results in the limitation intheir promotion. Therefore, research and development of new energy-savinghousing system is very necessary and meaningful.This paper studies the main performance of Bar-Reinforcing-Net sandwichconcrete panels, which is a kind of sandwich wall with excellent performance ofthermal insulation and load-bearing functions.First, this thesis obtained the deflection curve, ultimate strength and otherproperties of floor and roof panels through two monotonic static tests for bendingspecimens. Two non-linear finite element models of bending specimens were builtand the corresponding numerical analysis used the ANSYS software. Thecomparison between the numerical and testing results for each of the specimenshows that the composite wall panels have good bending ability suitable for use asroof and floor panel.Second, the performance of the composite panels subjected to axial andeccentric compression was studied through the corresponding monotonic loadingtests of the panels. Similarly, this thesis built the non-linear finite element models ofthe specimens, and the corresponding FEA results ware compared with the testingresult was done. Also it shows good compressive performance and interoperabilityof the sandwich wall panels.Finally, thermal insulating performance of the panels was studied through twodesigned tests, which is compared with the corresponding finite element analysis results.The comparison indicates that the sandwich wall panels have good thermalinsulation performance and energy efficiency and meet the national requirements ofinsulation requirements.

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CLC: > Industrial Technology > Building Science > Building Materials > Insulation materials, to every other sound materials (suction) > Insulation materials
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