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首页> 外文会议>International Conference on Soil Mechanics and Geotechnical Engineering(16 ICSMGE) vol.3; 2005; Osaka(JP) >Observed bracing responses at the Ford Design Center excavation
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Observed bracing responses at the Ford Design Center excavation

机译：在福特设计中心的发掘中观察到支撑响应

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摘要

The relative contributions of temperature, earth pressurs and construction loading on the resulting stresses in excavation support members were evaluated by analyses of the results of strain gauge measurements obtained at a 10m deep excavation through clay. Temperature impacted both axial and bending stresses in the supports. It is shown that axial thermal loading may constitute 50% of the axial strut load. Bending stresses developed as a result of thermal variations through the cross-section of a support member, self-weight of the supports, and unexpected construction loadings. The bending introduced large stresses as well. The proximity of a support member to a corner of the excavation had little effect on the stress in the member.
机译：通过分析在10m深的粘土中开挖获得的应变仪测量结果，评估了温度，土压力和建筑荷载对开挖支撑构件中产生的应力的相对影响。温度影响支座中的轴向应力和弯曲应力。结果表明，轴向热负荷可能占轴向支撑负荷的50％。弯曲应力是由于通过支撑构件的横截面的热变化，支撑件的自重以及意外的结构载荷而产生的。弯曲也引入了很大的应力。支撑构件靠近开挖角对支撑构件的应力影响很小。

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