【正文】 屬強透水地層。1）孔隙潛水：賦存于人工填土中，水量較小，季 節(jié)變化大，不 連續(xù)。根據(jù)地質(zhì)調(diào)查和鉆孔揭露，場區(qū)表層分布瀝青路面、素填土、 雜填土，其下依次為粉質(zhì)粘土、強風(fēng) 化泥質(zhì)粉砂巖、中風(fēng)化泥質(zhì)粉砂巖。西側(cè)為萬家麗高架橋， 東北側(cè)為新城華菱地標，東側(cè)為高壓電塔和古典 紅木家私， 東南側(cè)為中城 麗景香山?；勇裆罴s ?？拱螛吨饕┕ろ樞驗椋洪_挖至基坑底設(shè)計標高→施作基坑底墊層→抗拔樁施工。 目 錄第一章 編制依據(jù)及原則 ..............................................................................................................1 編制依據(jù) .................................................................................................................................1 編制原則 .................................................................................................................................1第二章 工程概況 ..........................................................................................................................1 工程概況 .................................................................................................................................1 工程范圍及周邊狀況 .............................................................................................................2 工程地質(zhì) .................................................................................................................................2 水文狀況 .................................................................................................................................3第三章 抗拔樁的施工工藝及技術(shù)要求 ......................................................................................4 施工工藝流程 .........................................................................................................................4 施工準備 .................................................................................................................................4 鋼筋的制作與安裝 ................................................................................................................6 灌注混凝土 .............................................................................................................................9 質(zhì)量標準與檢測 ...................................................................................................................10 施工注意事項 .......................................................................................................................11第四章 抗拔樁施工工期安排 ....................................................................................................11 施工人員安排 .......................................................................................................................11 施工機械和器具安排 ...........................................................................................................12 工期安排 ...............................................................................................................................12第五章 人工挖孔安全措施 ........................................................................................................12 防坍塌安全技術(shù)措施 ...........................................................................................................12 孔內(nèi)通風(fēng)安全措施 ...............................................................................................................13 孔內(nèi)防落物措施 ...................................................................................................................13第六章 應(yīng)急預(yù)案 ........................................................................................................................13 危險源辨識 ...........................................................................................................................13 應(yīng)急救援組織 .......................................................................................................................14 工程施工突發(fā)事件及應(yīng)急救援措施 ....................................