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1、張江中區(qū)雨水泵站工程進(jìn)水箱涵基坑圍護(hù)專項(xiàng)施工方案張江中區(qū)雨水泵站工程進(jìn)水箱涵基坑圍護(hù)專項(xiàng)方案上海浦東城市建設(shè)實(shí)業(yè)發(fā)展有限公司2010年12月67張江中區(qū)雨水泵站工程進(jìn)水箱涵基坑圍護(hù)專項(xiàng)施工方案目錄1、編制說明····························································51.1、工程概況····························································51.2、工程簡介·········
2、···················································51.3、編制依據(jù)····························································51.4、施工現(xiàn)場(chǎng)平面布置圖··················································61.5、工程地質(zhì)··························································
3、··71.6、原地面未降坡前頂管基坑相關(guān)參數(shù)······································81.7、井位周邊構(gòu)筑物·······················································92、SMW工法圍護(hù)施工·················································967張江中區(qū)雨水泵站工程進(jìn)水箱涵基坑圍護(hù)專項(xiàng)施工方案2.1、施工工藝流程圖·························
4、·····························92.2、施工方法和技術(shù)保證措施···············································102.2.1、維護(hù)結(jié)構(gòu)平面、立面布置圖············································102.2.2、測(cè)量放樣···························································112.2.3、地面降坡············
5、···············································132.2.4、開挖導(dǎo)向溝槽·······················································132.2.5、三軸攪拌樁孔位定位················································132.2.6、深層攪拌樁施工順序················································142.2
6、.7、三軸攪拌樁施工····················································142.2.8、插、拔H型鋼·······················································1467張江中區(qū)雨水泵站工程進(jìn)水箱涵基坑圍護(hù)專項(xiàng)施工方案2.2.9、施工技術(shù)措施·······················································152.2.10、高壓旋噴樁施工·········
7、···········································162.2.11、基坑外井點(diǎn)降水····················································182.2.12、基坑內(nèi)壓密注漿····················································202.2.13、基坑圍護(hù)結(jié)構(gòu)滲漏預(yù)防措施·········································213、基坑開挖及支
8、撐·····················································223.1、圍護(hù)樁頂圍檁施工····················································223.2、分項(xiàng)工程施工方法····················································223.3、冠梁施工注意事項(xiàng)···········································
