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Experimental Study on Anchoring Behavior of Steel Bar in Grouted Joint of Coal Gangue Porous Brick

Author: XuShuang
Tutor: ZhaoChengWen；GaoLianYu
School: Shenyang University of construction
Course: Structural Engineering
Keywords: Gangue porous brick Pass Stress - strain curve Anchorage length Bonding mechanism Level of anchoring Finite Element Analysis
CLC: TU364
Type: Master's thesis
Year: 2011
Downloads: 45
Quote: 0
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Abstract


In recent years, China has vigorously promote the reform of wall materials, disable solid clay bricks, the development of new wall materials products, and promote the development of wall materials to environmentally friendly direction. In the context of this policy, has been widely applied to the production of raw materials such as coal gangue, fly ash and other non-clay fired brick. Especially for coal gangue, such as industrial waste solid, liquid, gas \, environmental and social benefits. Promote the application of gangue porous brick not only solve the problem of mine coal production waste piling up polluting the environment for a long time, and is of great significance for the promotion of the residential buildings in China energy-saving work. \Especially in part of earthquake-resistant construction measures, the application of the test data obtained by the original for clay bricks, can not fully comply with the gangue porous brick material requirements. In order to improve the seismic performance of new building materials masonry, in particular, the deformation capacity under strong earthquakes, the new wall materials gangue porous brick can be safe, a wide range of applications. \The length of the proposed reinforced anchoring the gray cracks recommendations of porous brick level. The issues by reading the literature, fully understand and master the theory and test reinforcement anchorage at home and abroad on the basis of a test program to determine the production of the specimen. After the test, according to the method of reinforcement anchorage in the the reference concrete structure of the test data and theoretical analysis. Through the testing phenomena based on the analysis to study the mechanism of its work, with reference to other related scientific research comparative analysis, draw the general laws. Finally, using the finite element software finite element simulation results. The main contents include the following aspects: 1. Theoretical analysis: bonding mechanism of reinforced concrete, adhesive anchoring mechanism analysis reinforced with mortar; reinforced concrete anchoring formula, without hook straight tendons reinforcement anchorage length gray cracks in the masonry level, summed up the formula. 2 test analysis of stress positive reinforcement anchorage length, bar diameter and strength of mortar of reinforced adhesive force impact and its impact. Comparative analysis of gangue porous brick square and round hole of destruction in the form of bond strength, size, analysis of the characteristics of the damage, the generation mechanism, and the causes. 3. Analysis of the test results to calculate the average bond stress of reinforced and reinforced the boundaries of the anchorage length. Use of reliability theory analysis to calculate the reliability of reinforced approximation in perforated brick masonry anchorage length to meet the current specification. And analyze the impact of construction reinforcement anchorage proposed meet the engineering requirements of reinforcement anchorage length. On an experimental basis, using the ABAQUS finite element analysis software, finite element simulation of the test, and further analysis of the performance of the force between the steel and masonry. Finally, a summary of this paper work, prospects for future research.

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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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