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Research for the Foundation Differential Settlement Impact on Frame Structure

Author: WangXiangYang
Tutor: Song
School: Lanzhou University of Technology
Course: Structural Engineering
Keywords: Uneven settlement Superstructure Additional internal forces Finite Element Analysis Control measures
CLC: TU323.5
Type: Master's thesis
Year: 2011
Downloads: 89
Quote: 2
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Abstract


Five-story multi-span framework of a school of Lanzhou City Comprehensive Teaching Building of foundation strengthening works , for example , the application of structural analysis software SAP2000 studied several typical uneven settlement of foundation deformation and internal force of the upper structure , through the analysis shows uniform deposition of the upper structure of internal forces generated redistribution . 1) When the building structure foundation of a point generated partial differential settlement , the settlement structure underlying the greatest impact , along the layers from low to high , its influence gradually decreases . 2 ) the structure of partial differential settlement , the impact of the beam directly connected with the settlement column , the impact of the other beam ; influence to span framework . 3 ) differential settlement phenomenon of the column of the settlement at the point of unloading , special attention is through connected to beam settlement column adjacent column will have a greater axial compression . 4 ) on the same structure , the structure of the overall tilt deformation of the structure as a whole \. Overall basin - type settlement distribution pattern on the upper structure and a pillar of the local settlement and overall tilt settlement , the impact of both ends of the settlement , the middle part of the impact . 5 ) describes some theoretical knowledge on uneven subsidence monitoring , the monitoring methods used in the project , the monitoring process and the monitoring results by the the engineering observations settlement data and analyzed , indicating that the monitoring results with the theoretical analysis results consistent . From the building , the structural design aspects of the control methods and measures of uneven settlement , starting from the root causes of uneven settlement targeted solutions and advance preventive measures . Research on the structure of the conceptual design and construction techniques have a certain reference value .

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CLC: > Industrial Technology > Building Science > Building structure > The system structure of the rod > Rod structure > Frame
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