鹽城至南通高速公路海安一施工標(biāo)段公路粉噴樁施工組織設(shè)計(jì).doc
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鹽城至南通高速公路海安一施工標(biāo)段位于海安縣大公鎮(zhèn)和洋蠻河鎮(zhèn)境內(nèi)，本標(biāo)段路線起點(diǎn)接鹽通高速公路（南通市境）東臺(tái)三施工標(biāo)段終點(diǎn)（樁號(hào)為K71+958.764），起點(diǎn)樁號(hào)為K72+038，路線經(jīng)大公鎮(zhèn)東，在K73+082.500處跨越紅星河（等外航道），在K74+696處跨越大公-海安農(nóng)場(chǎng)公路，在大公鎮(zhèn)和洋蠻河鎮(zhèn)交界處（K77+017.500）跨越北凌河，經(jīng)洋蠻河鎮(zhèn)東，在K81+645.500處跨越洋蠻河（韓洋）至李堡公路，終點(diǎn)在K82+500處接海安二施工標(biāo)段。本段全線長(zhǎng)10.462km。
本標(biāo)段粉噴樁處理軟土地基工程，位于長(zhǎng)江河谷平原工程地質(zhì)區(qū)，主要不良地質(zhì)條件為軟土和砂土液化。為了減小工后沉降量，保證路基穩(wěn)定，解決結(jié)構(gòu)物處跳車(chē)等病害，設(shè)計(jì)采用粉噴樁對(duì)軟土地基進(jìn)行處理。處理段落為K73+643-K76+815，粉噴樁共計(jì)14498根，總長(zhǎng)93512米。
Yancheng to Nantong expressway construction sections in Hoi Hoi an town and the Ocean County Grand Man Town in the territory of the tenders received route from Salt Expressway (Nantong City in) end of the East China and Taiwan, construction sections (Stake for the K71 +958.764) , from Stake to K72 +038, Route, the Grand Duke Town, across the Red Division in the K73 +082.500 Galaxy (substandard Channel), the K74 +696 office across the Grand - Hai Farm Road, in the town and the ocean Man Town in Grand junction (K77 +017.500) across North Dalinghe by Yang Man Town in the East, across the ocean in the K81 +645.500 Office Man River (Han-yang) to Fort Lee Road, ending at K82 +500 Office Access MSC 2 construction sections. Total length of this paragraph 10.462km.
The tenders DJM soft foundation engineering, engineering geology in the Yangtze River valley plain area, the main adverse geological conditions for the soft soil and sand liquefaction. In order to reduce the settlement after construction to ensure embankment stability, solution structures such as the Jump disease, designed to deal with Pile on the soft ground. Treatment paragraphs K73 +643- K76 +815, a total of 14 498 DJM, length 93,512 meters.