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FRICTION PILES IN BOSTON BLUE CLAY, SUFFOLK COUNTY HOUSE OF CORRECTIONS, MASSACHUSETTS

机译:马萨诸塞州萨福克郡改正房屋的波士顿蓝土中的摩擦桩

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The paper presents a design case study for a four-story correction facility addition in south Boston, Massachusetts, supported on friction piles driven into the Boston Blue Clay. 356 mm (14-in.) square prestressed-precast (PSPC) concrete piles were selected as they were found more effective and economical. A static load test was performed where the pile was brought to "failure". The load test data were evaluated to estimate the Ultimate Pile Capacity as well as the Ultimate Unit Skin Friction (Adhesion) to serve as a design tool for friction pile projects in the south Boston Area.
机译:本文介绍了马萨诸塞州南部波士顿的四层改正设施的设计案例研究,该设施由打入波士顿蓝粘土的摩擦桩支撑。选择356毫米(14英寸)方形预应力预制(PSPC)混凝土桩,因为它们更为有效和经济。进行静载荷测试,使桩“失效”。评估了载荷测试数据,以估算极限桩承载力以及极限单位皮肤摩擦力(附着力),以作为波士顿南部地区摩擦桩项目的设计工具。

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