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Study on Seismic Behavior of Adobe Masonry Wall

Author: CaoGeng
Tutor: AKenJiang·TuoHuTi
School: Xinjiang University
Course: Structural Engineering
Keywords: Xinjiang Constitutive model Adobe walls Seismic performance
CLC: TU352.11
Type: Master's thesis
Year: 2011
Downloads: 27
Quote: 1
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Abstract


Xinjiang climate drought , economic backwardness , and adobe houses its construction convenient, good thermal insulation properties , in memory still in a certain period of time and scope . But the region of high seismic magnitude seismogenic frequently , adobe houses is particularly devastating for the previous earthquake damage showed that , therefore given practical the seismic capacity calculation methods and the reinforcement program , to protect the lives and property of the people and pass on the history of the nation culture is important . This paper tests , finite element numerical calculation and theoretical analysis of the soil material cube , adobe blocks and adobe masonry compressive strength , repeated vertical compressive stress level low cycle 3 adobe walls loading tests , to complete the work and made ??the following conclusions : ( 1) to obtain a simple linear relationship cube of soil material , adobe blocks and adobe masonry elastic modulus and its compressive strength , the puzzle by mud compressive strength with adobe the compressive strength of the relationship of the body ; need mud compressive strength as an argument by the parabola and the straight line of the constitutive equations ; take advantage of the damage and statistical strength theory , statistical constitutive model considering residual strength damage correction with the experimental values ??and the existing masonry constitutive model comparison , in good agreement . (2 ) Based on the wall low cycle load test results , as non - seismic design of masonry shear strength to the shear strength of the adobe walls of axial pressure , the adobe wall when the axial compression ratio in the 0 to 0.1 with the main tensile stress The theoretical calculation wall seismic shear strength values ??. (3) three-dimensional finite element analysis method using experimental wall size , axial compression ratio of 0 to 0.8 9 conditions were calculated to analyze the vertical pressure on the cracking load , ultimate strength and the corresponding displacement of the impact of the axial compression ratio of 0.1 to 0.2 when the the adobe wall seismic shear strength of the normal stress influence coefficient to take an axial compression ratio should not exceed 0.2 . This paper belongs to the National Natural Science Foundation - funded project ( Project Number : 50768010,50968015 )

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CLC: > Industrial Technology > Building Science > Building structure > Special Structure > Anti - shock structure,disaster prevention structures > Shock, isolation, and explosion-proof structure > Seismic structure
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