杭州湾大桥引桥施工平台计算与塔设技术

杭州湾大桥引桥施工平台计算与塔设技术高超 1 王常才 21.广东省长大公路工程 广州 511430 2．安徽交通职业技术学院 合肥 235551摘要:杭州湾跨海大桥Ⅱ标包括北航道主桥和高墩区引桥，引桥桩基直径 2.5m,长度在91m～93 之间，属于超大直径桩，杭州湾水域较深，常年风大浪急，桩根底施工前需要搭设施工平台，本文将简述引桥平台的力学建模计算和施工平台搭设技术。关键词:杭州湾大桥 大直径 桩基施工 平台塔设技术The platform being under construction calculates the Hangzhou bay bridge approach bridge and sets up a technology Gao Chao 1 Wang Chang-Cai2(1. Chang Da highway engineering Ltd,Guangdong province,5114311; Anhui communications vocational &technical college230051)Abstract: The Hangzhou bay bridge II across the sea bid includes the north channel host bridge and the high block area approach bridge, approach bridge pole base diameter 2.5 ms, the length is in 91 ms ~ belonging to the super-major diameter pole between 93, Hangzhou bay water area is deeper , average year waves whipped up by the wind rolled turbulently, the platform building a model secretly scheming against and being under construction puts up Mechanics requiring that facilities labor platform , the main body of a book numerous and repeated will sketch approach bridge platform in the pole foundation construction front setting up a technology.Keywords: Hangzhou bay bridge large diameter pile group is under construction the platform tower sets up a technology1、引言杭州湾跨海大桥北侧高墩区引桥有 7 个桥墩，每墩设 8 根钻孔灌注桩，桩径 2.5m，桩长约 90～95m，均为摩擦桩群桩根底； B1～B7 墩处的泥面标高约为-12.0～-12.8m。杭州湾水域较深，常年风大浪急，施工平台结构的设计合理性及施工工艺,关系到桥梁工程的施工进度和平安，本文通用 ALGLOR，对平台结构的进行受力和稳定性计算，并介绍本工程引桥平台的施工搭设技术，我国跨海桥梁的施工刚刚起步，望能对同类环境下的桥梁施工有借鉴作用...