【正文】 目 錄 前 言 ...................................................................................................................................... 1 1 工程概況 ............................................................................................................................ 1 位置及交通概況 ........................................................................................................ 1 巖土工程勘察等級的確定 .......................................................................................... 1 場地工程地質(zhì)條件 .................................................................................................... 1 地形地貌 ......................................................................................................... 1 地基土的構(gòu)成及分布規(guī)律 ................................................................................ 1 場地水文地質(zhì)條件 ........................................................................................... 2 場地工程地質(zhì)資料 .................................................................................................... 3 2 方案論證 ............................................................................................................................ 4 沉管灌注樁基礎(chǔ) ........................................................................................................ 4 選擇樁型、樁材及樁長 .................................................................................... 4 確定單樁豎向承載力設(shè)計(jì)值 ............................................................................. 4 確定樁的數(shù)量和平面布置 ................................................................................ 5 群樁中單樁所受外力的驗(yàn)算 ............................................................................. 6 群樁承載力驗(yàn)算 .............................................................................................. 7 群樁沉降計(jì)算 .................................................................................................. 8 承臺設(shè)計(jì) ........................................................................................................10 沉管灌注樁的配筋計(jì)算： ...............................................................................12 柱下獨(dú)立基 礎(chǔ) ..........................................................................................................13 基礎(chǔ)埋深 ........................................................................................................13 確定基礎(chǔ)底面積 .............................................................................................13 基礎(chǔ)設(shè)計(jì) ........................................................................................................13 CFG樁基礎(chǔ) ...............................................................................................................15 確定樁長 ........................................................................................................15 確定樁徑： ....................................................................................................15 確定樁間距 ....................................................................................................15 樁體強(qiáng)度 ........................................................................................................16 褥墊層的厚度 .................................................................................................16 承臺設(shè)計(jì) ........................................................................................................16 技術(shù)上的可行性 .......................................................................................................16 經(jīng)濟(jì)上的合理性 .......................................................................................................17 工程的安全可靠性 ............................................................................................17 3 質(zhì)量檢測與監(jiān)測 ................................................................................................................17 4 施工工藝 ...........................................................................................................................17 基礎(chǔ)的定位放樣（線） ............................................................................................17 基坑開挖 .................................................................................................................18 驗(yàn)槽 ........................................................................................................................18 支模 ........................................................................................................................18 鋼筋工程 .................................................................................................................18 澆筑混凝土 ..............................................................................................................18 基坑的回填 ..............................................................................................................18 5 計(jì)算機(jī)程序 .......................................................................................................................19 工程設(shè)計(jì)參考文獻(xiàn)碼 ...............................................................................................................20 專題論文 ................................................................................................................................27 1 前言 ..................................................................................................................................27 2 試驗(yàn) ..................................................................................................................................29 3 試驗(yàn)結(jié)論及其闡述 .............................................................................................................31 專題論文參考文獻(xiàn) ....................................................................................... 錯(cuò)誤 !未定義書簽。承臺下有一 15mm 厚的 C15 混凝土墊層。經(jīng)過方案論證，從技術(shù)上的