【正文】 部分地段有分布。卵石層在場地內(nèi)分布較穩(wěn)定，卵石層～。場地內(nèi)部分地段有分布。層頂埋深～，～，場地內(nèi)大部分地段有分布。含鐵錳質(zhì)氧化物，稍有光澤，無搖震反應，干強度中等，韌性中等，發(fā)育閉合裂隙，裂隙被少量灰白色高嶺土充填，裂隙間可見光滑鏡面?，F(xiàn)由新至老分述如下：（1）第四系全新統(tǒng)人工填土層（Q 4ml）地層，廣泛分布于勘察場地表層，其特征如下：雜填土：近期平整場地等人工回填，未夯實，褐黃色為主，色雜，松散，稍濕，主要為粉質(zhì)粘土、粘土，夾少量磚塊、砼塊等建筑垃圾及少量卵石，表層含少量植物根系，成分較雜，均勻性差，壓宿性大，力學性質(zhì)差，形成的邊中林榮盛 5基坑支護設(shè)計 正文 核工業(yè)德陽金陽巖土工程有限公司 4 4坡穩(wěn)定性差，場地局部地段分布，～。（4）相對濕度：多年平均值 82%。C（1953 年 5 月18 日） ，176?？碧近c孔口標高為～，高差為 ，場地地形整體比較平坦。 設(shè)計依據(jù)1）甲方提供的建筑總平面圖及結(jié)構(gòu)設(shè)計資料。辦公樓為地上 20～21 層，高 ；公寓樓為地上 25 層，高 。1中林榮盛地塊巖土工程建設(shè)畢業(yè)論文目 錄1 工程概況 ..................................................................................1 建筑物性質(zhì) ....................................................................................................................................1 基坑支護設(shè)計等級 ........................................................................................................................1 基坑支護目的 ................................................................................................................................1 設(shè)計依據(jù) ........................................................................................................................................22 場地的工程地質(zhì)條件 ..............................................................2 地理位置及交通概況 ....................................................................................................................2 場地地形地貌 ................................................................................................................................2 氣象 ................................................................................................................................................3 場區(qū)地層巖性 ................................................................................................................................3 區(qū)域地質(zhì)構(gòu)造 ................................................................................................................................5 區(qū)域地質(zhì)構(gòu)造 .......................................................................................................................5 地震 .......................................................................................................................................6 水文地質(zhì)條件 ............................................................................................................................6 水、土的腐蝕性評價 ....................................................................................................................63 各巖土層的工程特性指標 ......................................................74 基坑支護工程設(shè)計 ..................................................................8 基坑周邊環(huán)境概況 ........................................................................................................................8 支護設(shè)計 ........................................................................................................................................8 降排水設(shè)計 ....................................................................................................................................8． .............................................................................................................................85 變形監(jiān)測設(shè)計 ..........................................................................96 應急預案 ................................................................................11 應急小組組織 ..............................................................................................................................112 應急反應預案 ..............................................................................................................................12 基坑施工過程中的應急內(nèi)容及應急方案 ..................................................................................145 施工組織設(shè)計 ........................................................................15 土方工程 ......................................................................................................................................15 土方開挖施工程序 ..............................................................................................................16 排樁工程 ......................................................................................................................................18 排樁支護施工主要工藝流程為： ......................................................................................18 鋼筋籠的安裝： ..................................................................................................................20 混凝土澆注： ......................................................................................................................21 樁頂冠梁施工 ......................................................................................................................21 錨索施工工藝 ..............................................................................................................................22 樁間封閉工程 ..............................................................................................................................236 質(zhì)量控制措施 .......................................................................23 質(zhì)量保證體系及制度 ..................................................................................................................23 質(zhì)量保證措施 ..............................................................................................................................257 安全文明施工保障措施 ........................................................25 管理目標 ......................................................................................................................................25 組織管理 ......................................................................................................................................26 安全防護管理 ..............................................................................................................................27 安全檢查與獎罰 .......................................