拉森钢板桩基坑围护施工方案（钢板桩旋喷桩支护）.docVIP

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拉森钢板桩基坑围护施工方案（钢板桩旋喷桩支护）.doc

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2022拉森钢板桩基坑围护施工方案目录第一章工程概况= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =4 一、工程概述二二f y === = = = = = = = = = = = = = ==二==f = = = = = = = = = = 4 二工程地质和水文地质= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =4 三、施工场地条件= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 5第二章支护.支撑系统的结构设计= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =6 一、支护、支撑结构选型= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = ==6 二、本工程投入的拉森钢板桩的参数=========================================10 三、基坑监测要求========================================================10 四、结构设计平安有效期===================================================11 五、深基坑支护计算书—====—=======================—二=11第三章总体施工安排 =================—==============================11第四章基坑支护施工工艺及施工程序= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 12 一、钢板桩支护施工工艺及施工程序= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 12 二、旋喷桩支护施工方案= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 15 三、基坑施工质量检测=====================================================18第五章基坑开挖及排水= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 18 钻孔剖面示意图/ w、 XXX x/xzxz ， y y、 v y7 / w、 wvz ，W\ XXX 777 J77\ 3,00 460? WOxI OMC 约 IhMH 骐 IyHfi L IH0m ?HW250x250x11xll 2000066sz M0S7 而-200 02S87词 006M0S- 7而200 027S词而006Is6szM0S7- 20002词而0068M07- 20070词.80? 006而SM-7S 词而管道基坑支护方式二 2cm Itt 钻孔剖面示意图管道基坑支护方式三段 — 夕〉父宣\z~2.60 XX 管道基坑支护方式四 4.50巾500楙肥2501/。 50CW 二.本工程投入的拉森钢板桩的参数 LO 本工程投入的拉森钢板桩采用III型拉森钢板桩，宽400mm ,高170mm ,厚15.5mm，理论重量68 Kg/m ,要求拉森钢板桩无穿孔，修边调直后方可使用。拉森钢板桩之间用HW250*250*ll*ll围樵进行连接,围樵与每根拉森钢板桩之间空隙需打入木楔抵紧。转角需设置专用构件,采用(p300xl0钢管进行内支撑，内支撑水平间距为4.0m ,管道安装需调整