以元素試驗法推導擋土牆之破壞位移量

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Title:	以元素試驗法推導擋土牆之破壞位移量
Authors:	楊朝平 yang, Chau-Ping
Contributors:	土木工程學系 Civil Engineering
Keywords:	飽和砂土;側向伸張行為;擋土牆;破壞位移量 Saturated sand;lateral expansion behavior;retaining wall;failure strain.
Date:	2012
Issue Date:	2014-06-26 20:15:58 (UTC+8)
Abstract:	於臺灣，近年甚多污水處理廠被計畫設置於近海岸河口周邊，而廣大西部海岸多為級配不佳、低強度之飽和砂土。因為，於污水處理廠之興建上，勢必含開挖支撐、地下室等設施，故此等擋土設施之安全性有待探討。為此，本研究以元素試驗法，推導擋土牆之破壞位移量，以供設計參考及施工預警用。本研究以自行開發之自動化三軸試驗儀，對飽和渥太華砂施行壓密、側向伸張試驗，藉以模擬擋土牆繞底旋轉，從靜止狀態外移至主動破壞狀態過程中背土之抗剪行為。即據以觀察試體之軸向應變與有效軸差應力之關係，從( ~ )曲線中找出主動狀態之側向應變量 In Taiwan, a number of sewerage terminal treatment plants are planned to construct at or near the seashores. Most of the western Taiwan seashores are sandy beaches. The poor engineering properties of beach sand are due to poor gradation, low relative dens
Appears in Collections:	[Department of Civil Engineering] Seminar Papers

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