辦公大樓的基坑支護(hù)設(shè)計(jì)-巖土工程本科畢業(yè)設(shè)計(jì)

1、東華理工大學(xué)畢業(yè)設(shè)計(jì)摘要摘要本設(shè)計(jì)為辦公大樓的基坑支護(hù)設(shè)計(jì)。本設(shè)計(jì)是根據(jù)國(guó)家現(xiàn)行建筑基坑支護(hù)技術(shù)規(guī)程在給定地質(zhì)勘察報(bào)告的條件下，進(jìn)行基坑支護(hù)設(shè)計(jì)，主要目的是掌握基坑支護(hù)的設(shè)計(jì)方法。本設(shè)計(jì)采用了鉆孔灌注樁加錨桿的基坑支護(hù)結(jié)構(gòu)。在土壓力計(jì)算過(guò)程中，運(yùn)用了朗肯土壓力理論；在內(nèi)力計(jì)算過(guò)程中，運(yùn)用了等值梁法；在配筋計(jì)算過(guò)程中，參照了混泥土結(jié)構(gòu)設(shè)計(jì)規(guī)范在降水處理設(shè)計(jì)時(shí)參照了建筑基坑支護(hù)技術(shù)規(guī)程；計(jì)算過(guò)程中除了以國(guó)家現(xiàn)行建筑基坑工程技術(shù)規(guī)程為依據(jù)外還

2、大量的把實(shí)際經(jīng)驗(yàn)運(yùn)用其中加強(qiáng)理論與實(shí)踐的結(jié)合。此次設(shè)計(jì)的主要指導(dǎo)原則是如何保證基坑的安全可靠、方便施工，并達(dá)到經(jīng)濟(jì)的效果。通過(guò)這篇論文，直觀的說(shuō)明了基坑支護(hù)設(shè)計(jì)所需的各種參數(shù)。工程技術(shù)人員在進(jìn)行基坑支護(hù)設(shè)計(jì)時(shí)可參照本文的設(shè)計(jì)方法。[關(guān)鍵詞]基坑支護(hù)；鉆孔灌注樁；等值梁法；錨桿；降水處理東華理工大學(xué)畢業(yè)設(shè)計(jì)目錄1目錄1.前言..........................................................

3、............................................................11.1工程概況.........................................................................................................................11.2本文主要研究?jī)?nèi)容...................

4、......................................................................................22.工程地質(zhì)與水文地質(zhì)概況......................................................................................32.1場(chǎng)區(qū)工程地質(zhì)條件......................

5、.......................................................................32.2水文地質(zhì)條件................................................................................................................42.3基坑周邊環(huán)境情況...............

6、.........................................................................................53.基坑支護(hù)方案設(shè)計(jì).................................................................................................33.1設(shè)計(jì)優(yōu)選...............

7、.....................................................................................................33.1.1設(shè)計(jì)依據(jù).............................................................................................................

8、..33.1.2基坑支護(hù)方案優(yōu)選...............................................................................................33.1.3支護(hù)方案設(shè)計(jì)分析..............................................................................................5

9、3.2支護(hù)方案的設(shè)計(jì)原則及計(jì)算參數(shù)的確定....................................................................63.2.1設(shè)計(jì)原則...............................................................................................................63.2.2參數(shù)的初選

10、...........................................................................................................64.基坑支護(hù)設(shè)計(jì)計(jì)算.................................................................................................84.1基

11、坑支護(hù)設(shè)計(jì)的主要內(nèi)容............................................................................................84.2設(shè)計(jì)計(jì)算..............................................................................................................

12、..........84.2.1水平荷載的計(jì)算.................................................................................................104.2.2各層土的水平荷載計(jì)算...................................................................................

13、..114.2.3水平抗力計(jì)算.....................................................................................................144.2.4各層土水平抗力計(jì)算........................................................................................

14、.154.2.5支點(diǎn)力計(jì)算.........................................................................................................174.2.6嵌固深度驗(yàn)算.........................................................................................

15、............194.2.7灌注樁結(jié)構(gòu)設(shè)計(jì).................................................................................................234.2.8樁身最大彎矩的計(jì)算.................................................................................

16、........244.2.9樁身的配筋計(jì)算..................................................................................................244.3錨桿計(jì)算...........................................................................................

17、...........................264.3.1錨桿設(shè)計(jì)主要內(nèi)容.............................................................................................264.3.2錨桿設(shè)計(jì).………………………………………………………………………264.3.3錨桿設(shè)計(jì)計(jì)算.................................

18、....................................................................274.3.4腰梁設(shè)計(jì).………………………………………………………………………354.4穩(wěn)定性驗(yàn)算.......................................................................................................

19、...........364.4.1基坑穩(wěn)定性驗(yàn)算.................................................................................................364.4.2錨桿整體穩(wěn)定性驗(yàn)算..................................................................................

20、........384.4.3圍護(hù)樁底地基承載力驗(yàn)算.................................................................................404.4.4抗傾覆穩(wěn)定性驗(yàn)算..............................................................................................415截

21、水、排水措施..................................................................................................435.1概述.............................................................................................................