地下室降水施工方案

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2.1

工程概況

2.2

基坑周邊環(huán)境及條件

68168.

6.18

10.59

95795.1

10.6429295.00 7.5512.5513.88

0.195641956.1

4.1

3.1

工程地質(zhì)條件

規(guī)范》（

3.2

水文地質(zhì)條件

5.1

基本參數(shù)

5.2

計(jì)算基坑涌水量

/

5.3

預(yù)估總抽水量(Qz)

d

），

d

），

6.1

基坑降水設(shè)計(jì)

6.2

降水和排水系統(tǒng)設(shè)計(jì)

7.1

放井位

7.2

挖泥漿池

7.3

挖探坑

7.4

成孔

7.5

換漿7.6

吊放井管

7.7

填濾料

7.8

洗井

7.9

水泵安裝7.10

鋪設(shè)排水管網(wǎng)

7.11

抽降7.12

水位觀測

7.13

抽降及維護(hù)EE

8.1

分層總和法計(jì)算附加沉降

hi i

i

E

hi

8.2

對(duì)周邊環(huán)境的影響

8.3

防止降水井施工和抽水產(chǎn)生地下空洞的措施

9.1

沉砂池的位置、計(jì)量方法和儀器型號(hào)

9.2

排水計(jì)量的檢查和維護(hù)9.3

減少抽水量措施

抽水管抽水管排水管入水管 橡膠管用鐵絲綁扎

井蓋250mm排水管保護(hù)井襯

磚砌自然地面

管礅降水井

計(jì)值結(jié)或力達(dá)變化設(shè)速計(jì)對(duì)或值剖達(dá)到報(bào)規(guī)警定。值不連監(jiān)大次與應(yīng)相報(bào)天，警基計(jì)值結(jié)或力達(dá)變化設(shè)速計(jì)對(duì)或值剖達(dá)到報(bào)規(guī)警定。值不連監(jiān)大次與應(yīng)相報(bào)天，警基。變四護(hù)坑測坡角水應(yīng)點(diǎn)鋼提不筋層出側(cè)累周坑天外小彎天設(shè)病對(duì)護(hù)及。、當(dāng)，值一，測頂根樁置降內(nèi)平頂1頂度降水在重筑對(duì)力位：監(jiān)移測工坡個(gè)程中側(cè)點(diǎn)內(nèi)布選東置天在一測樁根樓護(hù)冠坡，樁上

四間目選擇

4共布

測。構(gòu)連續(xù)3）天率超應(yīng)過、7-7應(yīng)剖進(jìn)不測值不于30mm以》坑后3個(gè)筑樁5剖平整位高大為度測錨、頻常錨建情筑護(hù)共剖次內(nèi)在工樁沉力建大明測點(diǎn)在點(diǎn)。測側(cè)測級(jí)圍基及力擇進(jìn)每行棟監(jiān)頂測的

監(jiān)測項(xiàng)布為樁沉降監(jiān)高度位移達(dá)傾坑的70%度率監(jiān)剖續(xù)3，28大兩臨次樁要深求物（H深移、監(jiān)現(xiàn)圍墻監(jiān)矩力當(dāng)況監(jiān)物坡沉個(gè)水據(jù)布監(jiān)置測說內(nèi)測置13上監(jiān)一范應(yīng)間力置坑監(jiān)豎角6層住梁應(yīng)力計(jì)建置物剖、3-3

測報(bào)天

對(duì)范、基監(jiān)建頂樁頻頂、每，各錨手計(jì)異桿的內(nèi)，桿測樓樁板兩各點(diǎn)的豎深《、水監(jiān)監(jiān)平距2m移天測北樁布內(nèi)2在北

測計(jì)