中建土方開(kāi)挖及基坑支護(hù)施工方案

中旅成都高新新川項(xiàng)目施工

總承包工程一標(biāo)段

土方開(kāi)挖及基坑支護(hù)

專(zhuān)項(xiàng)施工方案

編制單位：中國(guó)建筑第八工程局有限公司

編制人：

日期：2023.3.15

目錄

1編制依據(jù)........................................................................................................................................................1

2工程概況........................................................................................................................................................2

2.1工程建設(shè)概況一覽表.........................................................................................................................2

2.2設(shè)計(jì)概況.............................................................................................................................................2

2.3工程地質(zhì)條件...................................................................................................................................11

2.4氣候條件...........................................................................................................................................12

2.5工程施工條件...................................................................................................................................13

3施工安排......................................................................................................................................................13

3.1項(xiàng)目管理組織及崗位職責(zé)...............................................................................................................13

3.2項(xiàng)目管理目標(biāo)...................................................................................................................................15

3.3各項(xiàng)資源供應(yīng)方式...........................................................................................................................15

3.3.1勞務(wù)資源安排一覽表............................................................................................................15

3.3.2工程用大宗物資供應(yīng)安排一覽表........................................................................................15

3.3.3大型機(jī)械設(shè)備采購(gòu)供應(yīng)安排一覽表....................................................................................15

3.4施工流水段的劃分...........................................................................................................................16

3.5工程施工重點(diǎn)和難點(diǎn)分析及應(yīng)對(duì)措施...........................................................................................18

4施工進(jìn)度計(jì)劃..............................................................................................................................................19

5施工準(zhǔn)備與資源配置計(jì)劃..........................................................................................................................22

5.1施工準(zhǔn)備計(jì)劃...................................................................................................................................22

5.1.1技術(shù)準(zhǔn)備................................................................................................................................22

5.1.2現(xiàn)場(chǎng)準(zhǔn)備................................................................................................................................22

5.2資源配置計(jì)劃...................................................................................................................................23

5.2.1勞動(dòng)力配置計(jì)劃....................................................................................................................23

5.2.2工程用材料需要量計(jì)劃........................................................................................................23

5.2.3工程施工主要周轉(zhuǎn)材料配置計(jì)劃........................................................................................23

5.2.4施工機(jī)具配置計(jì)劃................................................................................................................24

5.2.5測(cè)量計(jì)量?jī)x器配置計(jì)劃........................................................................................................24

6施工方法及工藝要求..................................................................................................................................24

6.1方案及技術(shù)參數(shù)...............................................................................................................................24

6.2施工工藝流程...................................................................................................................................25

6.2.1總體施工工藝流程................................................................................................................25

6.2.2土方開(kāi)挖及基坑支護(hù)施工工藝流程....................................................................................26

6.3施工要點(diǎn)...........................................................................................................................................27

6.3.1土方開(kāi)挖施工........................................................................................................................27

6.3.2鋼板樁施工............................................................................................................................31

6.3.3雙排微型錨桿樁施工............................................................................................................32

6.3.4土釘墻施工............................................................................................................................33

6.3.5支護(hù)面噴射混凝土施工........................................................................................................34

6.3.6基坑降排水............................................................................................................................35

6.4棄土點(diǎn)選擇.......................................................................................................................................36

6.5基坑監(jiān)測(cè)...........................................................................................................................................36

6.5.1監(jiān)測(cè)項(xiàng)目................................................................................................................................36

6.5.2監(jiān)測(cè)點(diǎn)布置............................................................................................................................36

1

6.5.3監(jiān)測(cè)頻率................................................................................................................................37

6.5.4監(jiān)測(cè)項(xiàng)目報(bào)警值....................................................................................................................37

6.6驗(yàn)收要求...........................................................................................................................................38

6.6.1驗(yàn)收標(biāo)準(zhǔn)................................................................................................................................38

6.6.2驗(yàn)收程序................................................................................................................................41

6.6.3驗(yàn)收內(nèi)容................................................................................................................................42

6.6.4驗(yàn)收人員................................................................................................................................42

7各項(xiàng)管理計(jì)劃..............................................................................................................................................42

7.1綠色施工管理計(jì)劃...........................................................................................................................42

7.1.1資源利用管理目標(biāo)................................................................................................................43

7.1.2利用管理職責(zé)分工................................................................................................................43

7.1.3資源利用管理制度................................................................................................................43

7.1.4資源節(jié)約及利用計(jì)劃及保證措施........................................................................................44

7.2進(jìn)度管理計(jì)劃...................................................................................................................................44

7.2.1確定施工進(jìn)度控制點(diǎn)............................................................................................................44

7.2.2施工進(jìn)度管理組織機(jī)構(gòu)和職責(zé)分工....................................................................................45

7.2.3進(jìn)度管理措施........................................................................................................................45

7.3質(zhì)量管理計(jì)劃...................................................................................................................................46

7.3.1質(zhì)量控制目標(biāo)分解................................................................................................................46

7.3.2確定質(zhì)量控制點(diǎn)....................................................................................................................46

7.3.3質(zhì)量保證措施........................................................................................................................47

7.3.4分部分項(xiàng)工程施工質(zhì)量控制措施........................................................................................48

7.4職業(yè)健康與安全管理計(jì)劃...............................................................................................................49

7.4.1重大危險(xiǎn)源辨識(shí)....................................................................................................................49

7.4.2重大危險(xiǎn)源安全保證措施....................................................................................................50

7.4.3職業(yè)健康安全資源配置計(jì)劃................................................................................................50

7.4.4安全生產(chǎn)管理制度................................................................................................................50

7.5環(huán)境管理計(jì)劃...................................................................................................................................51

7.5.1環(huán)境管理目標(biāo)........................................................................................................................51

7.5.2環(huán)境管理職責(zé)分工................................................................................................................51

7.5.3辨識(shí)重大環(huán)境因素................................................................................................................52

7.5.4環(huán)境保護(hù)資源配置計(jì)劃........................................................................................................52

7.5.5環(huán)境管理制度........................................................................................................................53

7.5.6施工環(huán)境保證措施................................................................................................................53

7.6成品保護(hù)管理計(jì)劃...........................................................................................................................53

7.6.1成品保護(hù)管理組織和職責(zé)分工............................................................................................53

7.6.2成品保護(hù)計(jì)劃及保證措施....................................................................................................54

8應(yīng)急預(yù)案......................................................................................................................................................55

8.1應(yīng)急預(yù)案管理組織架構(gòu)...................................................................................................................55

8.2突發(fā)事件風(fēng)險(xiǎn)分析和預(yù)防...............................................................................................................55

8.3突發(fā)事件應(yīng)急預(yù)案...........................................................................................................................55

8.3.1接警與通知............................................................................................................................55

8.3.2指揮與控制............................................................................................................................55

8.4應(yīng)急處置措施...................................................................................................................................56

8.4.1基坑坍塌應(yīng)急預(yù)案................................................................................................................56

8.4.2雨季施工應(yīng)急預(yù)案................................................................................................................57

2

8.4.3火災(zāi)事故應(yīng)急處理與救援預(yù)案............................................................................................57

8.4.4物體打擊事故應(yīng)急處理與救援預(yù)案....................................................................................58

8.4.5觸電事故急救措施................................................................................................................58

8.4.6機(jī)械作業(yè)、施工中突發(fā)事件應(yīng)急處理與救援預(yù)案.............................................................59

8.5應(yīng)急響應(yīng)程序...................................................................................................................................60

8.6信息報(bào)告程序...................................................................................................................................60

8.7項(xiàng)目應(yīng)急小組聯(lián)系電話...................................................................................................................61

8.8救援醫(yī)院線路...................................................................................................................................61

8.9應(yīng)急物資準(zhǔn)備...................................................................................................................................61

8.10應(yīng)急培訓(xùn)及演練.............................................................................................................................63

8.10.1應(yīng)急培訓(xùn)..............................................................................................................................63

8.10.2應(yīng)急演練..............................................................................................................................63

9防汛措施......................................................................................................................................................63

9.1汛期施工管理措施...........................................................................................................................63

9.2現(xiàn)場(chǎng)排水措施...................................................................................................................................64

10防汛應(yīng)急預(yù)案............................................................................................................................................65

10.1應(yīng)急指揮機(jī)構(gòu)及職責(zé).....................................................................................................................65

10.2基本原則.........................................................................................................................................65

10.3應(yīng)急報(bào)警機(jī)制.................................................................................................................................65

10.4應(yīng)急物資準(zhǔn)備.................................................................................................................................66

10.5培訓(xùn)與演練.....................................................................................................................................66

11疫情防控應(yīng)急預(yù)案....................................................................................................................................67

11.1疫情防控組織架構(gòu).........................................................................................................................67

11.2疫情防控職責(zé)分工.........................................................................................................................67

11.3項(xiàng)目部疫情防控小組通訊錄.........................................................................................................67

11.4疫情防控準(zhǔn)備計(jì)劃.........................................................................................................................68

11.4.1疫情防控勞動(dòng)力配置計(jì)劃..................................................................................................68

11.4.2防疫物資配置計(jì)劃..............................................................................................................68

11.5疫情防治具體措施.........................................................................................................................68

11.5.1辦公區(qū)、生活區(qū)、施工區(qū)管理..........................................................................................68

11.5.2食堂管理..............................................................................................................................69

11.5.3隔離區(qū)管理..........................................................................................................................69

11.6人員進(jìn)場(chǎng)管理措施.........................................................................................................................70

11.7測(cè)溫管理.........................................................................................................................................71

11.8體溫監(jiān)測(cè).........................................................................................................................................71

11.9防疫宣傳措施.................................................................................................................................72

11.10消殺管理措施...............................................................................................................................73

11.10.1消毒管理措施....................................................................................................................73

11.10.2人員配備及消殺區(qū)域........................................................................................................73

11.11防疫應(yīng)急處置...............................................................................................................................73

11.11.1應(yīng)急處置組織分工............................................................................................................73

應(yīng)急處置啟動(dòng)流程........................................................................................................................74

12計(jì)算書(shū)和相關(guān)圖紙....................................................................................................................................76

12.1設(shè)計(jì)圖紙.........................................................................................................................................76

12.2設(shè)計(jì)計(jì)算書(shū).....................................................................................................................................76

3

1編制依據(jù)

序號(hào)類(lèi)別文件名稱編號(hào)

中華人民共和國(guó)主席令

1《中華人民共和國(guó)安全生產(chǎn)法》（2014年修正本）

第13號(hào)

2《建設(shè)工程安全生產(chǎn)管理?xiàng)l例》國(guó)務(wù)院令第393號(hào)

3《安全生產(chǎn)許可證條例》（2014年修正本）國(guó)務(wù)院令第638號(hào)

國(guó)家行

《住房城鄉(xiāng)建設(shè)部關(guān)于印發(fā)工程質(zhì)量安全手冊(cè)（試行）的

4政文件建質(zhì)〔2018〕95號(hào)

通知》

5《危險(xiǎn)性較大的分部分項(xiàng)工程安全管理規(guī)定》住建部第37號(hào)令

住房城鄉(xiāng)建設(shè)部辦公廳關(guān)于實(shí)施《危險(xiǎn)性較大的分部分項(xiàng)

6建辦質(zhì)〔2018〕31號(hào)

工程安全管理規(guī)定》有關(guān)問(wèn)題的通知

《四川省危險(xiǎn)性較大的分部分項(xiàng)工程安全管理規(guī)定實(shí)施

7川建行規(guī)（2018）3號(hào)

細(xì)則》

地方行

8政文件《關(guān)于進(jìn)一步加強(qiáng)我市深基坑施工安全管理的通知》成建安發(fā)（2012）37

9《關(guān)于進(jìn)一步加強(qiáng)我市建筑基坑安全管理工作的通知》成建安發(fā)（2011）22

10《建筑工程施工質(zhì)量驗(yàn)收統(tǒng)一標(biāo)準(zhǔn)》GB50300-2013

11《工程測(cè)量規(guī)范》（附條文說(shuō)明）GB50026-2007

12《建筑邊坡工程技術(shù)規(guī)范》GB50330-2013

13《建筑結(jié)構(gòu)荷載規(guī)范》GB50009-2012

14《建筑基坑工程監(jiān)測(cè)技術(shù)標(biāo)準(zhǔn)》GB50497-2023

15《混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范》（2015年版）GB50010-2010

國(guó)家行

16《建筑變形測(cè)量規(guī)范》JGJ8-2016

業(yè)規(guī)范

17《建筑機(jī)械使用安全技術(shù)規(guī)程》JGJ33-2012

18《建筑基樁檢測(cè)技術(shù)規(guī)范》JGJ106-2014

19《建筑施工安全檢查標(biāo)準(zhǔn)》JGJ59-2011

20《建筑施工土石方工程安全技術(shù)規(guī)范》JGJ180-2009

21《建筑基坑支護(hù)技術(shù)規(guī)程》JGJ120-2012

22《巖土錨桿與噴射混凝土支護(hù)工程技術(shù)規(guī)范》GB50086-2015

合《中旅成都高新新川項(xiàng)目施工總承包工程一標(biāo)段施工總

23/

同承包合同》

24中旅成都高新新川項(xiàng)目施工總承包工程一標(biāo)段設(shè)計(jì)圖紙/

設(shè)計(jì)文

《中旅高新中和街道GX2023-25(071)地塊住宅項(xiàng)目

25件/

巖土工程勘察報(bào)告》

招投標(biāo)中旅成都高新新川項(xiàng)目施工總承包工程一標(biāo)段招標(biāo)文

26/

文件件

27企業(yè)管《技術(shù)質(zhì)量管理手冊(cè)》2023版

1

28理文件《安全施工管理手冊(cè)》2023版

2工程概況

2.1工程建設(shè)概況一覽表

中旅成都高新新川項(xiàng)目施工總承包工高層民用建筑/多層民用建

工程名稱工程性質(zhì)

程一標(biāo)段筑

成都高新區(qū)中和街道龍燈山

建設(shè)規(guī)模4.03億元工程地址

社區(qū)12組（原紅松村2社）

總占地面積40292.42㎡總建筑面積162030.34㎡

土石方開(kāi)挖、回填土、降排

水、基坑支護(hù)、基礎(chǔ)、主體、

屋面、保溫、防水、人防結(jié)

項(xiàng)目承包范

建設(shè)單位中旅新川（成都）置業(yè)有限公司構(gòu)部分、裝配式、外墻抹灰、

圍

粗裝修、欄桿、室內(nèi)給排水、

電氣及防雷接地、預(yù)留預(yù)埋

等。

門(mén)窗安裝工程、地坪及交安

設(shè)施工程、景觀園林、總坪

主要分包工

設(shè)計(jì)單位四川洲宇建筑設(shè)計(jì)股份有限公司綜合管網(wǎng)工程、標(biāo)識(shí)標(biāo)牌、

程

消防工程、照明、弱電工程

等。

勘察單位西北綜合勘察設(shè)計(jì)研究院質(zhì)量四川省結(jié)構(gòu)優(yōu)質(zhì)工程獎(jiǎng)

2023年3月26日至2023年

監(jiān)理單位首盛建設(shè)集團(tuán)有限公司合工期

同3月30日，共735日歷天。

四川省省級(jí)安全生產(chǎn)文明施

總承包單位中國(guó)建筑第八工程局有限公司要安全

求工標(biāo)準(zhǔn)化工地

四川省建筑業(yè)新技術(shù)應(yīng)用示

分包單位四川益友基礎(chǔ)工程有限公司科技

范工地

工程主要功

住宅

能或用途

2.2設(shè)計(jì)概況

本項(xiàng)目位于成都高新區(qū)中和街道龍燈山社區(qū)12組，基坑支護(hù)設(shè)計(jì)由業(yè)主委托西北綜

合勘察設(shè)計(jì)研究院進(jìn)行設(shè)計(jì)，擬新建9#（23F）、10#-1(23F)、10#-2(25F)、11#(25F)、

12#-1(25F)、12#-2(23F)、13#-1(23F)、13#-2(23F)5棟高層住宅，14#～29#16棟7層疊

拼；西側(cè)為二層地下室，地下室坑底標(biāo)高490.60m，東側(cè)為一層地下室，地下室坑底標(biāo)高

494.25m；現(xiàn)狀地面參照道路標(biāo)高分段整平后，標(biāo)高等經(jīng)計(jì)算，場(chǎng)地基坑設(shè)計(jì)開(kāi)挖深度為

2.25～4.40m；場(chǎng)地內(nèi)地上有0～9m高的原狀土，本項(xiàng)目地上土方開(kāi)挖量約為16萬(wàn)m3，地

下室土方開(kāi)挖量約為16萬(wàn)m3，總計(jì)約32萬(wàn)m3，回填土約1.5萬(wàn)m3。

1基坑支護(hù)方案

1）基坑支護(hù)平面布置見(jiàn)圖2.2-1。

2

圖2.2-1基坑支護(hù)平面布置圖

2）CC’、HA段支護(hù)剖面圖見(jiàn)圖2.2-2。

（1)本斷面適應(yīng)于土層1：1.5坡比放坡支護(hù)段，應(yīng)遵循邊開(kāi)挖邊支護(hù)的原則，每層

超挖深度不大于0.5m；

（2)土釘橫向間距為1.5m，注漿漿液采用PO32.5純水泥漿，水灰比為0.45～0.55；

（3)混凝土面板應(yīng)留置?35泄水管，間距1.0×3.0m，內(nèi)嵌0.2m，外露0.15m；可根

據(jù)坑壁滲水情況進(jìn)行動(dòng)態(tài)調(diào)整；

（4)土釘:擊入Φ48.3×3.6mm鋼管擊入式土釘，采用純水泥飽滿注漿，灌漿方法采用

重力灌漿。

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圖2.2-2CC’、HA段支護(hù)剖面圖

3）GG’段支護(hù)剖面圖見(jiàn)圖2.2-3。

（1)本斷面適應(yīng)于巖土結(jié)合層1：1.0坡比放坡支護(hù)段，應(yīng)遵循邊開(kāi)挖邊支護(hù)的原則，

每層超挖深度不大于0.5m；

（2)土釘橫向間距為1.5m，注漿漿液采用PO32.5純水泥漿，水灰比為0.45～0.55；

（3)混凝土面板應(yīng)留置?35泄水管，間距1.0×3.0m，內(nèi)嵌0.2m，外露0.15m；可根

據(jù)坑壁滲水情況進(jìn)行動(dòng)態(tài)調(diào)整；

（4)土釘:擊入Φ48.3×3.6mm鋼管擊入式土釘，采用純水泥飽滿注漿，灌漿方法采

用重力灌漿。

圖2.2-3GG’段支護(hù)剖面圖

4）A'B、BC、C'D、DF、FG段支護(hù)剖面圖見(jiàn)圖2.2-4。

（1)本斷面適應(yīng)于巖層1：0.5坡比放坡支護(hù)段，應(yīng)遵循邊開(kāi)挖邊支護(hù)的原則，每層

超挖深度不大于0.5m；

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（2)混凝土面板應(yīng)留置?35泄水管，間距1.0×3.0m，內(nèi)嵌0.2m，外露0.15m；可根

據(jù)坑壁滲水情況進(jìn)行動(dòng)態(tài)調(diào)整；

圖2.2-4A'B、BC、C'D、DF、FG段支護(hù)剖面圖

5）G'B段鋼板樁支護(hù)剖面圖見(jiàn)圖2.2-5。

（1)本圖尺寸除標(biāo)高為m外其余未特別注明均為mm。

（2)本剖面段設(shè)計(jì)安全等級(jí)為三級(jí)，支護(hù)段外側(cè)5.0m范圍內(nèi)不得堆載和車(chē)輛通行，5m

以外堆載不大于10kpa，基坑邊一倍深度范圍內(nèi)不得建造臨時(shí)住房或倉(cāng)庫(kù)。

（3)鋼板樁采用SP-Ⅳ（即俗稱4#鋼板樁）型鋼板樁進(jìn)行施工。

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圖2.2-5G'B段鋼板樁支護(hù)剖面圖

6）H'H段鋼板樁支護(hù)剖面圖見(jiàn)圖2.2-6。

（1)本圖尺寸除標(biāo)高為m外其余未特別注明均為mm。

（2)本剖面段設(shè)計(jì)安全等級(jí)為三級(jí)，支護(hù)段外側(cè)5.0m范圍內(nèi)不得堆載和車(chē)輛通行，5m

以外堆載不大于10kpa，基坑邊一倍深度范圍內(nèi)不得建造臨時(shí)住房或倉(cāng)庫(kù)。

（3)鋼板樁采用SP-Ⅳ（即俗稱4#鋼板樁）型鋼板樁進(jìn)行施工。

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