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Model Analysis And Applied Research Of Inclination-Rectifying Forced Of The Building In The Artificial Fill-up Ground

Posted on:2008-02-21Degree:MasterType:Thesis
Country:ChinaCandidate:T HengFull Text:PDF
GTID:2132360212490312Subject:Geotechnical engineering
Abstract/Summary:PDF Full Text Request
According to the papers about inclination-rectifying technique of the building, all of the study focused on the method-chosen, the construction craft and deformation-monitor. In most of these works, the instructional functions of theoretical analysis were neglected for many reasons, but the effect of inclination-rectifying mainly depends on the data-monitored or the engineering experiences. In this article, ADINA finite element analysis software was applied.Based on the finite element model analysis——including the choose of unit type,the defining of material attribute, the enforcement of load and boundary condition , the determination of analysis category and solution method, the consideration of restrain criterion, three-dimensional Mohr-Coulomb analysis model of foundation soil was established. In the end the relations between the vertical and horizontal dig depth and the inclination -rectifying efficiency of tress relief and the stress-attach methods were ensured. The analysis and discussion mainly focused on the following 8 aspects:1. Study on the actual subsidence of building in operational phase.2. Determination of the best presume method of inclination-rectifying of building.3. Study on the effect of differently inclination-rectifying based on practical engineering project.4. Study on the influence of vertical channel-dredging depth to building subsidence in the stress relief method.5.Study on the influence of vertical channel-dredging depth to ground stress distribution in the stress relief method.6. Study on the influence of horizontal dig-holes depth to building subsidence in the stress-attach method.7. Study on the influence of horizontal dig-holes depth to ground stress distribution in the stress-attaches method.8. Comparison between theory analogue result and actual project monitor data.Based on the careful analysis some results were concluded:1.The best presume depth of channel-dredging is 6~7.5m in the stress relief method.2. The best presume depth of dig- hole is 5~7m in the stress-attaches method.3. According to the comparative analysis between practical engineering projects and computation results, both of them had the same development trend.
Keywords/Search Tags:Inclination-rectifying, Garbage soil, ADINA, Stress relief method, Additional stress method, Subsidence, Collapsible loess
PDF Full Text Request
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