【正文】 目錄 1. 工程與勘察工作概況 .............................................................................................................. 1 擬建工程概況 ...................................................................................................................... 1 勘察目的、任務(wù)要求和依據(jù)的技術(shù)標(biāo)準(zhǔn) .................................................................................. 1 勘察 方法及勘察工作量布置 ................................................................................................... 2 工作量完成情況： ................................................................................................................. 4 2. 場地環(huán)境與工程地質(zhì)條件 ...................................................................................................... 4 氣象和水文 ......................................................................................................................... 4 區(qū)域 地質(zhì)構(gòu)造及地震 ............................................................................................................ 5 場地地形、地貌 .................................................................................................................. 5 巖土地層構(gòu)成及特征 ............................................................................................................ 6 不良地質(zhì)作用 ...................................................................................................................... 8 土洞 ............................................................................................................................. 8 巖溶（溶溝、溶洞）發(fā)育特征 ........................................................................................ 8 地下水和地表水 .................................................................................................................. 9 地下水條件 ................................................................................................................... 9 滲透 性 ........................................................................................................................10 地表水 ........................................................................................................................10 3. 巖土參數(shù)統(tǒng)計(jì) ........................................................................................................................10 主要物理指標(biāo) ................................................................................................................11 壓縮模量 Es ..................................................................................................................11 土抗剪強(qiáng)度指標(biāo) .............................................................................................................11 承載力特征值 fak 的取值 .................................................................................................11 灰?guī)r fa、 qpa、 frck 值確定 .................................................................................................12 樁極限側(cè)阻 力標(biāo)準(zhǔn)值 qsik.................................................................................................13 4. 巖土工程分析評價(jià) ................................................................................................................13 場地穩(wěn)定性、適宜性評價(jià) ...................................................................................................13 不良地質(zhì)作用和地質(zhì)災(zāi)害、邊坡的影響 ........................................................................13 . 1 不良地質(zhì)作用評價(jià) ....................................................................................................13 . 2 地質(zhì)災(zāi)害、邊坡的影響 .............................................................................................14 場地地震效應(yīng)影響 .......................................................................................................15 工程建設(shè)場地適宜性 ...................................................................................................16 巖土評價(jià) ...........................................................................................................................16 一般性巖土評價(jià) ..........................................................................................................16 地下水和地表水評價(jià) ..........................................................................................................17 地下水（土）的腐蝕性 ................................................................................................17 地下水的不良作用 .......................................................................................................17 . 1 土涌、突水 ..............................................................................................................17 . 2 基坑突涌 .................................................................................................................17 . 3 浮托作用 .................................................................................................................18 地基基礎(chǔ)方案分析 .............................................................................................................18 賀州市綠洲家園小區(qū) A 區(qū) A213號樓 工程巖土工程勘察報(bào)告 賀州市勘察測繪研究院有限公司 1 天然地基 ....................................................................................................................19 . 1 地基均勻性評價(jià) .......................................................................................................19 . 2 天然地基的可行性 ....................................................................................................19 樁基礎(chǔ) ...........................................................................................................................20 . 1 人工挖孔樁 ..............................................................................................................20 . 2 沖（鉆）孔灌注樁 ....................................................................................................21 . 3 沉管灌注樁 ..............................................................................................................21 . 4 樁基設(shè)計(jì)參數(shù)初步選擇 ...........................