1工程概况：上海第七粮库，位于上海闵行区吴泾镇南，黄浦江边上，主要子项有钢筋政立筒库和楼房仓，其中立筒库基础采用桩基础，共用PHC桩（550×55mm）285套，由我院设计，从九二年九月初开始动工，直至十一月底打桩完毕。笔者一直作为设计代表住工地现场，协调各方面工作。2 1 Project Overview: Shanghai No. 7 Grain Depot is located in the south of Wujing Town, Minhang District, Shanghai, on the edge of the Huangpu River. The main sub-items include steel reinforcement pipe storage and building warehouses. The foundation of the vertical pile foundation uses pile foundation and shares PHC piles (550 × 355mm) 285 sets, designed by our institute, started construction in early September 1992 until the end of November. The author has been working as a design representative on the site of the construction site and coordinating all aspects of work. 2