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地下車庫(kù)cd段基坑支護(hù)工程設(shè)計(jì)-免費(fèi)閱讀

  

【正文】 以上砼強(qiáng)度等級(jí)采用 C35,177。 土釘墻施工與檢測(cè) 土釘墻施工 順序 (1)按設(shè)計(jì)要求開挖工作面 ,修整邊坡 ,埋設(shè)噴射混凝土厚度控制標(biāo)志; (2)噴射第一層混凝土; (3)鉆孔安設(shè)土釘、注漿、安設(shè)連接件; (4)綁扎鋼筋網(wǎng),噴射第二層混凝土; (5)設(shè)置坡頂、坡面和坡腳的排水系統(tǒng),采用 100PVC? 管 ,長(zhǎng)度為 500mm ,與坡面成下斜 15? 傾角,布置間距為 4m,對(duì)局部積水處進(jìn)行加密布置; 混凝土噴射及注漿規(guī)定 (1)上層土釘注漿體及噴射混凝土面層達(dá)到設(shè)計(jì)強(qiáng)度的 70%后方可開挖下層土方及下層土釘施工; (2)噴射應(yīng)分段進(jìn)行,同一分段內(nèi)噴射順序自下而上,一次噴射厚度不小于 40mm 。 湖南大學(xué)本 科畢業(yè)設(shè)計(jì) 各專業(yè)完整優(yōu)秀畢業(yè)論文設(shè)計(jì)圖紙 目 錄 1 湖南省公安廳辦公區(qū)地下車 庫(kù) CD 段 基坑支護(hù)工程設(shè)計(jì) ................................................... 1 設(shè)計(jì)基本資料 ............................................................................................................... 1 工程概況 .............................................................................................................. 1 工程水文地質(zhì)條件 .............................................................................................. 1 設(shè)計(jì)依據(jù) ............................................................................................................. 1 支護(hù)結(jié)構(gòu)方案的選擇 ......................................................................................... 1 支護(hù)設(shè)計(jì) ....................................................................................................................... 2 支護(hù)參數(shù) .............................................................................................................. 2 CD 段土釘支護(hù)設(shè)計(jì) ........................................................................................... 2 單根土釘抗拉承載力設(shè)計(jì)值 .................................................................. 2 單根土釘受拉荷載標(biāo)準(zhǔn)值 ...................................................................... 5 計(jì)算各土釘在直線破裂線外穿越穩(wěn)定土體內(nèi)的長(zhǎng)度 .......................... 5 計(jì)算直線破裂線內(nèi)土釘?shù)拈L(zhǎng)度 .............................................................. 5 土釘全長(zhǎng) ................................................................................................. 5 CD 段土釘支護(hù)整體穩(wěn)定性驗(yàn)算 ................................................................................ 5 內(nèi)部整體性驗(yàn) 算 ................................................................................................. 5 外部穩(wěn)定性驗(yàn)算 ................................................................................................. 7 抗滑移驗(yàn)算 ............................................................................................. 7 抗傾覆穩(wěn)定性驗(yàn)算 .................................................................................. 8 計(jì)算土釘鋼筋直徑 ...................................................................................................... 8 土釘支護(hù)構(gòu)造設(shè)計(jì) ...................................................................................................... 8 土釘排水系統(tǒng) .............................................................................................................. 9 土釘墻施工與檢測(cè) ..................................................................................................... 9 土釘墻施工順序 ................................................................................................. 9 混凝土噴射及注漿規(guī)定 ..................................................................................... 9 土釘墻的質(zhì)量檢測(cè) ............................................................................................. 9 施工檢測(cè)要求 ..................................................................................................... 9 湖南大學(xué)本 科畢業(yè)設(shè)計(jì) 2 箱型基礎(chǔ)設(shè)計(jì) ....................................................................................................................... 10 工程概況 ..................................................................................................................... 10 地質(zhì)資料 ...................................................................................................................... 10 材料與荷載資料 .......................................................................................................... 11 材料 ................................................................................................................... 11 上部荷載 ............................................................................................................ 11 箱型基礎(chǔ)地基計(jì)算 ...................................................................................................... 12 驗(yàn)算箱型基礎(chǔ)的尺寸及構(gòu)造 ........................................................................... 12 箱型基礎(chǔ)的尺寸及構(gòu)造 ........................................................................ 12 箱型基礎(chǔ)水平截面積驗(yàn)算 .................................................................... 12 基礎(chǔ)高度驗(yàn)算 ........................................................................................ 13 偏心距計(jì)算 ............................................................................................ 13 驗(yàn) 算地基承載力 ............................................................................................... 14 箱型基礎(chǔ)自重及其上活荷載的標(biāo)準(zhǔn)值與設(shè)計(jì)值 ................................ 14 上部豎向荷載標(biāo)準(zhǔn)值與設(shè)計(jì)值 ........................................................... 15 基礎(chǔ)底面荷載標(biāo)準(zhǔn)值與設(shè)計(jì)值 ............................................................ 15 豎向荷載偏心產(chǎn)生的力矩 .................................................................... 15 水平地震力對(duì)基底的力矩(橫向) .................................................... 15 基底反力 ............................................................................................... 15 地基變形驗(yàn)算 ................................................................................................... 15 O 點(diǎn)的沉降 ............................................................................................. 19 a,b 點(diǎn)的沉降 ........................................................................................... 20 箱型基礎(chǔ)橫向傾斜驗(yàn)算 ....................................................................... 21 箱型基礎(chǔ)結(jié)構(gòu)設(shè)計(jì) .................................................................................................... 21 計(jì)算地基反力 ................................................................................................... 21 計(jì)算整體彎矩 ................................................
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