第1页共65页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共65页第一章概述.............................................................................................2第二章现浇梁支撑体系的计算.........................................................................32.1、概述........................................................................................................32.1.1支顶架的结构..................................................................................32.1.2钢平台的结构..................................................................................32.2钢管支架的计算.......................................................................................52.2.1荷载组合..........................................................................................52.2.2支架力学计算..................................................................................52.2.3大楞计算:....................................................................................112.2.4小楞计算........................................................................................132.2.5底模板计算....................................................................................142.3钢平台的计算.........................................................................................152.3.1钢平台构造....................................................................................152.3.236#工字钢计算.............................................................................172.3.3贝雷架计算....................................................................................202.3.4钢管桩计算....................................................................................23第三章钢管架搭设...........................................................................................253.1施工准备.................................................................................................253.2基础.........................................................................................................253.3搭设钢管架及配件应符合下列规定:.................................................253.4钢管架拆除注意事项.............................................................................27第2页共65页第1页共65页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共65页3.5钢管架搭设作业安全措施.....................................................................28第四章钢管桩与贝雷架搭设...........................................................................30第五章环境保护措施.......................................................................................31第六章安全生产和文明施工...........................................................................33第3页共65页第2页共65页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第3页共65页第一章概述本工程为原西岸大桥东侧扩建新桥桥工程。起点桥台桩号为k2+188,终点桥台桩号为k2+388,全桥共7跨。新建桥标准跨径组合16+20+(28+56+32)+16+32=200m。新建桥宽为10.8,横向布置为0.5米m(防撞栏)+7.5m(车行道)+2.8m(人行道)。具体结构为:上部结构:(1)主桥:新建西岸大桥主桥的上部结构采用28m+56m+32m的变截面预应力混泥土连续箱梁,中支点梁高为3.5m,跨中梁高为2m。箱体采用单箱双室结构,按A类构件设计。(2)引桥:引桥的上部结构采用16m和20m的空心板以及32m的小箱梁。其中32m简支小箱梁为预制拼装结构,按A类...