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Experimental Research and Numerical Simulation on Stress Distribution in Anchorage Body

Author: ZhanYuBao
Tutor: YouChunAn
School: Shandong University of Science and Technology
Course: Geotechnical Engineering
Keywords: Anchorage body Experimental research Stress distribution Numerical method Numerical simulation
CLC: TU43
Type: Master's thesis
Year: 2005
Downloads: 554
Quote: 28
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Abstract


Anchorage technology is an important means of reinforcement in the geotechnical engineering. It has showed more and more hearty vitality in the area of reinforcement in the geotechnical engineering for its unique effect, simple and convenient technology, far-flung application and economical cost in recent years. At the present time, it has not only been used in the mine but in the areas of metallurgy, water conservancy and hydroelectric power, railway and highway, civil construction and so on and has good foreground of application. So, the research of anchorage technology has very important meaning.On the basis of a great number of studies performed by former researchers, the work finished in this paper focuses on several aspects of the following:(1) Through the laboratory test, the main failure form of the anchorage system is researched; By analyzing the loaded anchor rod’s P-S curve and its axial stress distribution, anchorage body’s deformation mechanism and its axial stress distribution rule are studied, so the influence of the above factors on stress distribution and anchoring force are revealed.(2) Analyzed by ANSYS within elastic scope, the anchorage body’s axial stress distribution and its stress distribution with different anchorage lengths, different apertures and different rock masses can be studied in the simulation with the increase of load.(3) Many valuable conclusions are drawn from the combination of questions discovered in indoor tests and simulation results.The geotechnical anchoring theory is an important part of anchoring technology and the stress distribution of anchorage body is one of the core contents of anchoring theory. Therefore, this research is vitally beneficial to the development of geotechnical anchoring technique, consummating the lag-behind-practice anchoring theory and optimizing anchor design.

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