XXX大道西段快速路工程Ш標(biāo)段全長(zhǎng)1061m（k4+124~k5+185）,主要為高架橋梁、地面橋和地面道路等，涉及深基坑的承臺(tái)和橋臺(tái)位于半塘河、沉木河、中橫河等三座橋梁處。
一、工程概況··········································3
1、深基坑概況·············································3
2、地質(zhì)情況···············································4
3、平面位置···············································4
二、編制依據(jù)··········································4
三、施工計(jì)劃··········································5
1、施工時(shí)間安排···········································5
2、資源投入情況···········································5
四、工藝方法··········································5
1、總體設(shè)想···············································5
2、施工流程···············································6
3、圍堰施工···············································6
4、河邊橋臺(tái)開挖支護(hù)方法···································6
5、陸地基坑開挖支護(hù)方法···································7
6、鋼板樁施工·············································7
7、土方開挖···············································8................
