中建深基坑專項(xiàng)方案

項(xiàng)目專項(xiàng)施工方案

金臣頤墅項(xiàng)目(東區(qū))總承包工程項(xiàng)目

深基坑專項(xiàng)施工方案

編制單位：中建八局第一建設(shè)有限公司

編制人：

日期：

項(xiàng)目專項(xiàng)施工方案

目錄5.3.7生產(chǎn)設(shè)施布置.............................................................................................................................-28-

第一章編制依據(jù)...................................................................................................................................................-1-第六章施工方法及工藝要求.............................................................................................................................-30-

1.1方案編制說(shuō)明..........................................................................................................................................-1-6.1測(cè)量放線施工方案................................................................................................................................-30-

1.2編制依據(jù)..................................................................................................................................................-1-6.1.1建立平面總控制網(wǎng).......................................................................................................................-30-

1.2.1規(guī)范及標(biāo)準(zhǔn)...................................................................................................................................-1-6.1.2沉降測(cè)量.......................................................................................................................................-32-

1.3編制原則..................................................................................................................................................-1-6.1.3基坑監(jiān)測(cè).......................................................................................................................................-32-

第二章工程概況...................................................................................................................................................-2-6.2三軸攪拌樁施工方案............................................................................................................................-33-

2.1工程建設(shè)概況..........................................................................................................................................-2-6.2.1三軸攪拌樁設(shè)計(jì)概況...................................................................................................................-33-

2.2設(shè)計(jì)概況..................................................................................................................................................-2-6.2.2三軸攪拌樁施工分區(qū)及施工總體安排.......................................................................................-34-

2.2.1地下工程設(shè)計(jì)概況.......................................................................................................................-2-6.2.3三軸攪拌樁加固施工流程...........................................................................................................-34-

2.2.2樁基設(shè)計(jì)概況...............................................................................................................................-2-6.2.4三軸攪拌加固施工工藝...............................................................................................................-35-

2.2.3圍護(hù)設(shè)計(jì)概況...............................................................................................................................-3-6.2.5測(cè)量放線.......................................................................................................................................-35-

2.2.4護(hù)坡設(shè)計(jì)概況.............................................................................................................................-16-6.2.6開(kāi)挖溝槽.......................................................................................................................................-35-

2.2.5基坑降水設(shè)計(jì)概況.....................................................................................................................-16-6.2.7三軸攪拌樁施工方法及技術(shù)要求...............................................................................................-36-

2.3工程施工條件........................................................................................................................................-16-6.2.8三軸攪拌加固施工質(zhì)量保證措施...............................................................................................-36-

2.3.1現(xiàn)場(chǎng)環(huán)境特征.............................................................................................................................-16-6.2.9三軸攪拌樁異常情況處理...........................................................................................................-37-

2.3.2現(xiàn)場(chǎng)施工條件.............................................................................................................................-17-6.3雙軸攪拌樁施工方案............................................................................................................................-37-

2.4樁機(jī)圍護(hù)工程量統(tǒng)計(jì)............................................................................................................................-19-6.3.1雙軸攪拌樁設(shè)計(jì)概況...................................................................................................................-37-

第三章施工安排.................................................................................................................................................-20-6.3.2雙軸攪拌加固施工工藝...............................................................................................................-38-

3.1項(xiàng)目管理組織........................................................................................................................................-20-6.3.3雙軸攪拌樁施工方法及技術(shù)要求...............................................................................................-39-

3.1.1項(xiàng)目組織機(jī)構(gòu).............................................................................................................................-20-6.3.4出現(xiàn)問(wèn)題及預(yù)防措施和處理方法...............................................................................................-39-

3.1.2項(xiàng)目組織機(jī)構(gòu)管理職責(zé).............................................................................................................-20-6.4長(zhǎng)螺旋取土壓灌混凝土后插鋼筋籠施工方案......................................................................................-40-

3.2項(xiàng)目管理目標(biāo)........................................................................................................................................-21-概述.......................................................................................................................................................-40-

3.3各項(xiàng)資源供應(yīng)方式................................................................................................................................-21-6.4.2施工準(zhǔn)備工作................................................................................................................................-40-

3.3.1勞務(wù)資源安排一覽表.................................................................................................................-21-長(zhǎng)螺旋取土壓灌混凝土后插鋼筋籠混凝土樁施工流程.....................................................................-40-

3.4基坑施工思路........................................................................................................................................-21-測(cè)量定位...............................................................................................................................................-42-

3.5工程施工重點(diǎn)和難點(diǎn)分析及應(yīng)對(duì)措施................................................................................................-22-樁機(jī)安裝就位.......................................................................................................................................-42-

第四章施工進(jìn)度計(jì)劃.........................................................................................................................................-24-成孔鉆進(jìn)...............................................................................................................................................-42-

4.1施工進(jìn)度計(jì)劃..........................................................................................................................................-24-施工砼配制與技術(shù)質(zhì)量要求...............................................................................................................-42-

4.2進(jìn)度計(jì)劃保障措施..................................................................................................................................-24-6.4.8壓灌混凝土...................................................................................................................................-42-

第五章施工準(zhǔn)備與資源配置計(jì)劃.....................................................................................................................-25-鋼筋籠的制作與技術(shù)要求...................................................................................................................-43-

5.1施工準(zhǔn)備計(jì)劃........................................................................................................................................-25-6.4.10鋼筋籠的安放.............................................................................................................................-43-

技術(shù)準(zhǔn)備.............................................................................................................................................-25-6.5立柱樁施工方案....................................................................................................................................-44-

5.1.2現(xiàn)場(chǎng)準(zhǔn)備.....................................................................................................................................-25-6.5.1概述...............................................................................................................................................-44-

5.2資源配置計(jì)劃........................................................................................................................................-25-6.5.2施工流水安排...............................................................................................................................-44-

勞動(dòng)力配置計(jì)劃.................................................................................................................................-25-6.5.3施工工藝流程...............................................................................................................................-44-

5.2.2施工機(jī)具配置計(jì)劃.....................................................................................................................-25-6.5.4試成孔施工...................................................................................................................................-45-

5.2.3測(cè)量計(jì)量?jī)x器配置計(jì)劃.............................................................................................................-26-6.5.5施工方法和技術(shù)要求...................................................................................................................-45-

5.3現(xiàn)場(chǎng)布置................................................................................................................................................-26-6.5.6格構(gòu)柱制作...................................................................................................................................-48-

5.3.1平面布置原則...............................................................................................................................-26-6.5.7出現(xiàn)問(wèn)題及預(yù)防措施和處理方法...............................................................................................-50-

5.3.2布置依據(jù).......................................................................................................................................-26-6.6壓密注漿施工方案................................................................................................................................-51-

5.3.3生活設(shè)施布置...............................................................................................................................-27-6.6.1壓密注漿原理................................................................................................................................-51-

5.3.4辦公設(shè)施布置...............................................................................................................................-27-6.6.2施工參數(shù)........................................................................................................................................-51-

現(xiàn)場(chǎng)施工平面布置.............................................................................................................................-27-6.6.3壓密注漿施工工藝........................................................................................................................-51-

5.3.6現(xiàn)場(chǎng)水電平面布置.....................................................................................................................-28-6.6.4施工方法........................................................................................................................................-51-

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項(xiàng)目專項(xiàng)施工方案

6.7降水工程施工方案................................................................................................................................-52-6.13.1斜支撐概況................................................................................................................................-88-

6.7.1地質(zhì)條件.....................................................................................................................................-52-6.13.2施工準(zhǔn)備....................................................................................................................................-88-

6.7.2方案設(shè)計(jì).....................................................................................................................................-52-6.13.3鋼支撐安裝.................................................................................................................................-88-

真空疏干井施工工藝.........................................................................................................................-55-6.13.4鋼支撐拆撐.............................................................................................................................-89-

疏干井降水運(yùn)行.................................................................................................................................-56-6.14換撐及支撐拆除施工方案....................................................................................................................-90-

封井.....................................................................................................................................................-57-6.14.1換撐施工.....................................................................................................................................-90-

6.7.6附圖...............................................................................................................................................-57-6.14.2水平支撐拆除方案.....................................................................................................................-90-

6.8混凝土冠梁及水平支撐施工方案..........................................................................................................-57-6.14.3成品保護(hù)措施.............................................................................................................................-92-

6.8.1冠梁與水平支撐施工總體順序....................................................................................................-58-6.15外墻回填施工方案................................................................................................................................-93-

6.8.2測(cè)量放樣.......................................................................................................................................-58-6.15.1設(shè)計(jì)概況.....................................................................................................................................-93-

6.8.3冠梁及水平支撐模板工程...........................................................................................................-58-6.15.2工程施工條件.............................................................................................................................-93-

6.8.4冠梁及水平支撐鋼筋工程...........................................................................................................-58-6.15.3施工方法.....................................................................................................................................-93-

6.8.5冠梁及水平支撐混凝土工程.......................................................................................................-58-6.16地下連通道施工專項(xiàng)方案..................................................................................................................-93-

6.9土方開(kāi)挖方案........................................................................................................................................-58-6.16.1地下通道概況.............................................................................................................................-93-

6.9.1正式開(kāi)挖施工條件.......................................................................................................................-59-6.16.2地下通道施工方案.....................................................................................................................-94-

6.9.2土方開(kāi)挖工況要求及開(kāi)挖流程...................................................................................................-59-6.17季節(jié)性施工方案..................................................................................................................................-98-

6.9.3土方運(yùn)輸路線...............................................................................................................................-61-6.17.1雨季施工的基本原則和準(zhǔn)備工作...........................................................................................-98-

6.9.4土方開(kāi)挖施工順序.......................................................................................................................-61-6.17.2防汛防臺(tái)施工方案...................................................................................................................-98-

6.9.5土方開(kāi)挖施工要點(diǎn).......................................................................................................................-71-6.17.3防暑降溫應(yīng)急預(yù)案...................................................................................................................-98-

6.9.6土方開(kāi)挖質(zhì)量控制措施及成品保護(hù)措施...................................................................................-71-第七章各項(xiàng)管理計(jì)劃.......................................................................................................................................-100-

6.10基坑監(jiān)測(cè)方案........................................................................................................................................-72-7.1進(jìn)度管理計(jì)劃........................................................................................................................................-100-

6.10.1工程監(jiān)測(cè)等級(jí).............................................................................................................................-72-7.1.1施工進(jìn)度管理組織機(jī)構(gòu)...........................................................................................................-100-

6.10.2監(jiān)測(cè)目的與技術(shù)要求.................................................................................................................-72-7.1.2進(jìn)度管理措施...........................................................................................................................-100-

6.10.3設(shè)計(jì)基本原則.............................................................................................................................-72-7.2質(zhì)量管理計(jì)劃........................................................................................................................................-102-

6.10.4工程重、難點(diǎn)分析及應(yīng)對(duì)措施.................................................................................................-73-質(zhì)量保證體系.....................................................................................................................................-102-

6.10.5監(jiān)測(cè)項(xiàng)目?jī)?nèi)容.............................................................................................................................-74-7.2.2質(zhì)量保證措施.............................................................................................................................-102-

6.10.6測(cè)試方法原理.............................................................................................................................-74-7.3安全管理計(jì)劃......................................................................................................................................-106-

6.10.7監(jiān)測(cè)工作布置.............................................................................................................................-78-施工安全保證措施.............................................................................................................................-106-

6.10.8監(jiān)測(cè)工作程序與流程.................................................................................................................-79-用電安全管理.....................................................................................................................................-107-

6.10.9資料整理、提交.........................................................................................................................-81-7.3.3施工消防管理.............................................................................................................................-107-

6.10.10報(bào)警指標(biāo)...................................................................................................................................-82-7.3.4現(xiàn)場(chǎng)文明施工措施.....................................................................................................................-109-

6.10.11監(jiān)測(cè)儀器配備...........................................................................................................................-82-7.3.5場(chǎng)容控制措施.............................................................................................................................-109-

6.10.12特殊情況的處理.......................................................................................................................-82-7.3.6現(xiàn)場(chǎng)總平面管理.........................................................................................................................-110-

6.10.13應(yīng)對(duì)風(fēng)險(xiǎn)的監(jiān)測(cè)保證措施.......................................................................................................-82-7.3.7人員管理措施.............................................................................................................................-110-

6.10.14附圖...........................................................................................................................................-82-7.3.8現(xiàn)場(chǎng)保安.....................................................................................................................................-110-

6.11混凝土護(hù)坡施工方案............................................................................................................................-82-7.4環(huán)境管理計(jì)劃......................................................................................................................................-111-

6.11.1噴射混凝土護(hù)坡技術(shù)要求.........................................................................................................-82-7.4.1環(huán)境管理目標(biāo)...........................................................................................................................-111-

6.11.2放坡技術(shù)要求.............................................................................................................................-83-7.4.2環(huán)境管理組織機(jī)構(gòu)和職責(zé)分工...............................................................................................-111-

6.11.3施工方法.....................................................................................................................................-83-7.4.3重大環(huán)境因素清單...................................................................................................................-111-

6.12基礎(chǔ)底板施工方案..............................................................................................................................-83-7.4.4環(huán)境保護(hù)資源配置計(jì)劃...........................................................................................................-111-

6.12.1基礎(chǔ)底板概況...........................................................................................................................-83-7.4.5環(huán)境保護(hù)措施...........................................................................................................................-111-

6.12.2基礎(chǔ)底板施工總體安排...........................................................................................................-83-7.4.6揚(yáng)塵治理...................................................................................................................................-112-

6.12.3基礎(chǔ)底板施工工藝流程...........................................................................................................-87-7.5綠色施工管理計(jì)劃..............................................................................................................................-115-

6.12.4底板施工技術(shù)措施...................................................................................................................-87-7.5.1綠色施工培訓(xùn)...........................................................................................................................-115-

6.13鋼管斜撐施工方案................................................................................................................................-88-7.5.2綠色施工組織機(jī)構(gòu)和職責(zé)分工...............................................................................................-115-

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項(xiàng)目專項(xiàng)施工方案