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Experimental Research on the Basic Mechanical Performance and Seismic Performance of Masonry of Coal Gangue Perorated Bricks

Author: ZhouWanZuo
Tutor: ZhaoChengWen；GaoLianYu
School: Shenyang University of construction
Course: Structural Engineering
Keywords: Gangue porous brick Shear Strength Pin key role Compressive strength Elastic modulus Low cyclic loading
CLC: TU364
Type: Master's thesis
Year: 2011
Downloads: 75
Quote: 0
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Abstract


Since the state prohibited the use of clay brick, long-term traditional clay bricks as wall materials to exit the stage of history. Gangue porous brick alternative to clay brick as a new type of building materials has become a necessity, the gangue brick making only use of the clay minerals, the use of heat, a lot of ways to utilize coal gangue, in line with China's energy-saving emission reduction policies and comprehensive utilization of industrial waste, gangue porous brick in the development and application in the practice of the previous process, so that to solve the waste rock pile occupation of land resources, pollute the environment, and gangue porous brick in strength, weight, insulation insulation and other aspects of performance are better than or close to the clay brick, so it has good development potential and prospects, can play a positive role in promoting the healthy development of new wall materials. In this paper, the gangue porous brick masonry basic mechanical properties and Walls seismic performance test, the experimental and theoretical basis for the promotion of new building materials, the application of a uniform technical specifications for the preparation of the wall materials, the main content the following aspects: 1. compressive strength and flexural strength test for the coal gangue porous brick, analyze the factors that affect gangue porous brick compressive and flexural strength; such material fold pressure ratio; porous brick surface micro cracks against bending strength of obvious, but have little effect on the compressive strength. Analysis of the gangue porous brick masonry axis compression testing compression deformation performance and failure characteristics, test results showed that the porous brick masonry cracking load of 73% of the failure load ~ 95%, cracking late. destroyed, showing a clear brittle failure. Research on the shear gangue porous brick masonry slit draw the shear failure characteristics, shear strength; trial results showed that the porous brick masonry pass seam shear strength than the normative value 5% improvement . Gangue porous brick walls under low cyclic loading test to analyze the failure characteristics of the wall and its deformation, strength, stiffness, ductility seismic performance. Experimental research: increases the horizontal reinforcement ratio of masonry cracking load has little effect, but to improve the effect of the seismic capacity of masonry set structural columns can be significantly improved masonry cracking load, failure modes ideal .

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CLC: > Industrial Technology > Building Science > Building structure > The structure of the soil, brick, stone,bamboo,wood > The structure of the large brick block structure and a large wooden partition ( Wall )
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