安全專項(xiàng)施工方案培訓(xùn)資料

目錄

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

1.1編制目的...........................................................................1

1.2編制依據(jù)..........................................................................1

2工程概況...............................................................................1

2.1工程位置..........................................................................1

2.2工程規(guī)模..........................................................................2

2.3資源配置情況......................................................................3

2.3.1設(shè)備配置...............................................................................................................................................3

2.3.2人力資源配置......................................................................................................................................6

2.4工程地質(zhì)及水文地質(zhì).................................................................7

2.4.1地形地貌..............................................................................................................................................7

2.4.2氣象特征..............................................................................................................................................7

2.4.3工程地質(zhì)及水文地質(zhì)概況.................................................................................................................8

2.5沿線環(huán)境..........................................................................13

2.5.1盾構(gòu)穿越沿線建構(gòu)筑物.....................................................................................................................13

2.5.2地下管線............................................................................................................................................13

3工程重難點(diǎn)............................................................................14

3.1盾構(gòu)穿越沿線建構(gòu)筑物多、施工難度較大..............................................14

3.2盾構(gòu)下穿沙河及駟馬橋..............................................................14

3.3盾構(gòu)下穿北新高架..................................................................14

3.4盾構(gòu)下穿荷花池社區(qū)（成鐵生活區(qū)）..................................................14

3.5盾構(gòu)始發(fā)及到達(dá)....................................................................14

3.6盾構(gòu)開倉換刀作業(yè).................................................................15

3.7沿線建（構(gòu)）筑物監(jiān)測工作量大......................................................15

4盾構(gòu)隧道施工風(fēng)險(xiǎn)分析...................................................................15

4.1風(fēng)險(xiǎn)源識(shí)別.......................................................................15

4.2風(fēng)險(xiǎn)分析..........................................................................16

4.2.1盾構(gòu)始發(fā)與到達(dá)..............................................................................................................................16

4.2.2盾構(gòu)掘進(jìn).........................................................................................................................................16

4.2.3盾構(gòu)穿越沙河及駟馬橋.................................................................................................................17

4.2.3盾構(gòu)穿越城北賓館.........................................................................................................................18

4.2.4穿越隧道沿線地下管線.................................................................................................................20

4.2.5開倉換刀.........................................................................................................................................20

4.2.6隧道施工事故..................................................................................................................................20

4.3風(fēng)險(xiǎn)評(píng)價(jià)..........................................................................21

5專項(xiàng)施工方案..........................................................................25

5.1盾構(gòu)始發(fā)與到達(dá)....................................................................25

5.1.1端頭加固.............................................................................................................................................25

5.1.2始發(fā)軸線控制.................................................................................................................................30

5.1.3基座及反力架加固.........................................................................................................................30

5.1.4洞門封固.........................................................................................................................................31

5.1.5掘進(jìn)控制............................................................................................................................................32

5.1.6監(jiān)控量測.........................................................................................................................................34

5.2盾構(gòu)掘進(jìn)方案......................................................................37

5.2.1盾構(gòu)機(jī)選型及改造............................................................................................................................37

5.2.2施工前準(zhǔn)備........................................................................................................................................38

5.2.3盾構(gòu)參數(shù)設(shè)定及優(yōu)化........................................................................................................................39

5.2.4盾構(gòu)試掘進(jìn)........................................................................................................................................42

5.2.5渣土改良.............................................................................................................................................44

5.2.6盾構(gòu)掘進(jìn)方向控制與調(diào)整................................................................................................................45

5.2.7出土量控制.........................................................................................................................................47

5.2.8管片拼裝..........................................................................................................................................47

5.2.9同步注漿.........................................................................................................................................49

5.2.10洞內(nèi)二次注漿加固.........................................................................................................................50

5.2.10盾構(gòu)管片加強(qiáng)..................................................................................................................................51

5.2.11滯后沉降的控制及應(yīng)急措施..........................................................................................................51

5.2.12數(shù)據(jù)采集、傳遞與分析..................................................................................................................53

5.2.13監(jiān)測技術(shù)...........................................................................................................................................54

5.3盾構(gòu)下穿沙河及駟馬橋方案.........................................................54

5.3.1施工措施.........................................................................................................................................54

5.3.2掘進(jìn)參數(shù).........................................................................................................................................57

5.3.3出土量..............................................................................................................................................57

5.3.4同步注漿.....................................................................................................................................57

5.3.5監(jiān)控量測.....................................................................................................................................57

5.3.6做好“保頭護(hù)尾”............................................................................................................................58

5.3.7設(shè)備檢查和保養(yǎng)................................................................................................................................58

5.4盾構(gòu)穿越城北賓館加固措施..........................................................58

5.4.1施工前準(zhǔn)備........................................................................................................................................58

5.4.2施工加固措施方案...........................................................................................................................58

5.5盾構(gòu)穿越民房地面加固方案..........................................................60

5.5.1施工前準(zhǔn)備.........................................................................................................................................60

5.5.2地面注漿加固施工方案...................................................................................................................60

5.5.3洞內(nèi)深孔注漿...................................................................................................................................61

5.6盾構(gòu)穿越管線方案..................................................................62

5.6.1施工前準(zhǔn)備.........................................................................................................................................62

5.6.2管線加固處理措施..........................................................................................................................62

5.6.3二次注漿.........................................................................................................................................63

5.6.4洞內(nèi)注漿加固..................................................................................................................................63

5.6.5YDK2+402碎污水管處理措施........................................................................................................64

5.7開倉換刀施工方案..................................................................65

5.7.1開倉作業(yè)組織架構(gòu)..........................................................................................................................65

5.7.2開倉總體部署....................................................................................................................................67

5.7.3常壓換刀施工方案............................................................................................................................69

6施工監(jiān)控量測..........................................................................72

6.1監(jiān)測實(shí)施細(xì)則......................................................................72

6.1.1監(jiān)測的必要性....................................................................................................................................72

6.1.2監(jiān)測目的............................................................................................................................................72

6.1.3監(jiān)測項(xiàng)目及精度要求........................................................................................................................73

6.1.4監(jiān)測重點(diǎn)............................................................................................................................................73

6.1.5監(jiān)測頻率............................................................................................................................................74

6.2監(jiān)測內(nèi)容及方法....................................................................74

6.2.1地表沉降監(jiān)測.....................................................................................................................................74

6.2.2建（構(gòu)）筑物沉降與傾斜監(jiān)測........................................................................................................77

6.2.3地下管線沉降監(jiān)測...........................................................................................................................80

6.2.4地下水位監(jiān)測...................................................................................................................................81

6.2.5地中位移監(jiān)測...................................................................................................................................82

6.3監(jiān)測預(yù)警等級(jí)劃分、報(bào)告、處置、消警................................................86

6.4監(jiān)測數(shù)據(jù)的處理、分析與信息反饋....................................................87

6.4.1監(jiān)控量測流程.................................................................................................................................87

6.4.2數(shù)據(jù)采集.........................................................................................................................................88

6.4.3數(shù)據(jù)整理.........................................................................................................................................89

6.4.4數(shù)據(jù)分析.........................................................................................................................................89

6.4.5信息的反饋和預(yù)警報(bào)告.................................................................................................................89

6.4.6成果提交..........................................................................................................................................90

7安全應(yīng)急預(yù)案..........................................................................91

7.1安全管理保障體系..................................................................91

7.1.1建立健全安全管理組織..................................................................................................................92

7.1.2完善各項(xiàng)安全生產(chǎn)管理制度.........................................................................................................93

7.1.3建立安全生產(chǎn)崗位責(zé)任制度.........................................................................................................93

7.1.4堅(jiān)持安全教育.................................................................................................................................93

7.1.5強(qiáng)化技術(shù)安全管理.........................................................................................................................93

7.1.6日常安全管理..................................................................................................................................93

7.2.應(yīng)急管理組織機(jī)構(gòu)................................................................94

7.2.1應(yīng)急組織機(jī)構(gòu)..................................................................................................................................94

7.2.2事故應(yīng)急小組職責(zé)..........................................................................................................................94

7..........................................................................................................................................2.3應(yīng)急聯(lián)絡(luò)電話.97

7..................................................................................................................................................2.4預(yù)防預(yù)警.98

7.3應(yīng)急準(zhǔn)備及應(yīng)急響應(yīng)...............................................................98

7.3.1應(yīng)急物資..........................................................................................................................................98

7.3.2應(yīng)急響應(yīng)程序..................................................................................................................................99

7.4應(yīng)急救援措施....................................................................103

7.4.1地表沉陷事故應(yīng)急措施................................................................................................................103

7.4.2管線應(yīng)急措施................................................................................................................................103

7.4.3建筑物應(yīng)急措施...........................................................................................................................104

7.5培訓(xùn)、應(yīng)急演練和預(yù)案評(píng)價(jià)及修改...................................................104

7.5.1培訓(xùn)工作....................................................................104

7.5.2預(yù)案評(píng)價(jià)與修改..............................................................105

7.5.3應(yīng)急救援預(yù)案的維護(hù).........................................................105

1編制依據(jù)

1.1編制目的

為做好成都地鐵7號(hào)線一期工程土建1標(biāo)盾構(gòu)區(qū)間風(fēng)險(xiǎn)管理工作，全面地考慮在施

工中所能遇到的各種風(fēng)險(xiǎn)的狀況，進(jìn)行盾構(gòu)施工各階段的風(fēng)險(xiǎn)識(shí)別和評(píng)估，制定相應(yīng)的

風(fēng)險(xiǎn)控制措施、專項(xiàng)方案以及應(yīng)急預(yù)案，從而進(jìn)一步加強(qiáng)對(duì)盾構(gòu)施工危險(xiǎn)性較大的分部

分項(xiàng)工程的安全管理，積極防范和遏制施工生產(chǎn)安全事故的發(fā)生，保證盾構(gòu)施工的自身

安全和社會(huì)公共安全。特編制本方案。

1.2編制依據(jù)

（1）《危險(xiǎn)性較大的分部分項(xiàng)工程安全管理辦法》（建質(zhì)[2009]87號(hào)）；

（2）《關(guān)于完善施工現(xiàn)場管理人員配備的實(shí)施意見》（成建委[2008]101號(hào)）；

（3）《成都地鐵投融資項(xiàng)目重大危險(xiǎn)源安全管理辦法》（成地鐵建[2012]24號(hào)）；

（4）《成都地鐵工程安全生產(chǎn)及文明施工管理考核辦法》（成地鐵發(fā)[2012]210

號(hào)）；

（5）《關(guān)于進(jìn)一步加強(qiáng)盾構(gòu)施工安全管理工作的通知》（成地鐵建[2013]67號(hào)）；

（6）《地下鐵道工程施工及驗(yàn)收規(guī)范》（GB50299T9992003版）；

（7）《盾構(gòu)法隧道施工與驗(yàn)收規(guī)范》（GB50446-2008）；

（8）《建筑與市政降水技術(shù)規(guī)程》（JGJ/T111-98）；

（9）國家、四川省、成都市及成都市安監(jiān)站、成都地鐵公司出臺(tái)的相關(guān)法規(guī)、文

件等；

（10）《成都地鐵7號(hào)線一期工程火車北站?駟馬橋站巖土工程詳細(xì)勘察報(bào)告》；

（11）成都地鐵7號(hào)線一期工程火車北站?駟馬橋站區(qū)間施工圖紙；

（12）成都地鐵7號(hào)線一期工程土建1標(biāo)盾構(gòu)區(qū)間沿線建筑物基礎(chǔ)施工圖紙；

（13）《成都地鐵7號(hào)線一期工程土建1標(biāo)段實(shí)施性施工組織設(shè)計(jì)》；

（14）成都地區(qū)盾構(gòu)施工技術(shù)積累和經(jīng)驗(yàn)總結(jié)，我公司在盾構(gòu)施工領(lǐng)域積累的技術(shù)

和管理經(jīng)驗(yàn)。

2工程概況

2.1工程位置

區(qū)間隧道由駟馬橋站始發(fā)，沿駟馬橋路西行下穿沙河，沿云景灣項(xiàng)目旁小路穿過一

片空地后下穿成都鐵路局工務(wù)大修段家屬樓，出工務(wù)大修段家屬樓后下穿北新高架、荷

花池停車場及城北賓館，后穿過北站東二路后進(jìn)入荷花池社區(qū)，出荷花池社區(qū)后沿站前

路到達(dá)火車北站東端頭。

圖2.1-1火駟區(qū)間線路平面圖

2.2工程規(guī)模

火車北站-駟馬橋站起止里程為Y(Z)DKO+773.267-Y(Z)DK2+545.063,其中左線長

1770.866m(其中短鏈0.93m),右線長1771.796m,為雙孔圓形隧道，主要附屬工程包

括3個(gè)聯(lián)絡(luò)通道(2個(gè)含泵房)、4個(gè)洞門。

本工程主要內(nèi)容見下表:

主要工程內(nèi)容表表2.2-1

序號(hào)工程項(xiàng)目及費(fèi)用名稱單位數(shù)量

1盾構(gòu)主體工程項(xiàng)1

2盾構(gòu)區(qū)間隧道工程延長米3542.662

3盾構(gòu)掘進(jìn)延長米3542.662

4管片襯砌制安延長米3540

5管片制作延長米3540

6聯(lián)絡(luò)通道項(xiàng)3

7洞門個(gè)4

主要工程進(jìn)度計(jì)劃表表2.2-2

聯(lián)絡(luò)通道及泵

序號(hào)區(qū)間盾構(gòu)始發(fā)時(shí)間盾構(gòu)到達(dá)時(shí)間

房完成時(shí)間

左線2014.8.202015.4.25

1火車北站?駟馬橋站2015.7.30

右線2014.9.202015.5.25

2.3資源配置情況

2.3.1設(shè)備配置

1）本工程采用兩臺(tái)中鐵裝備盾構(gòu)機(jī)，編號(hào)為63號(hào)、64號(hào)。本工程編號(hào)右線3號(hào)、

左線4號(hào)盾構(gòu)機(jī)，盾構(gòu)機(jī)主要參數(shù)如下：

盾構(gòu)機(jī)主要參數(shù)表表2.3-1

序號(hào)參數(shù)列表單位

1使用項(xiàng)目成都地鐵

標(biāo)段名稱7號(hào)線一期工程土建1標(biāo)

區(qū)間里程Y(Z)DK0+773.267-Y(Z)DK2+545.063

主要地質(zhì)條件卵石土

項(xiàng)目管片規(guī)格（外徑/內(nèi)徑-寬度/分度）①6000/5400-1500/36°inm

最小曲線半徑400m

2整機(jī)

型號(hào)CTE6250

開挖直徑*6280mm

刀盤轉(zhuǎn)速0-3.35r/min

最大推進(jìn)速度-80mm/min

最大推力3700T

最大工作壓力0.3MPa

水平轉(zhuǎn)彎半徑250m

縱向爬坡能力±50%o

3刀盤

刀盤規(guī)格（直徑X長度）06280X1580mm

刀盤開口率36%

結(jié)構(gòu)總重約50（不含刀具）T

泡沫口數(shù)量4個(gè)

4刀具

17寸中心雙聯(lián)滾刀4把

18寸單刃滾刀31把

切刀32把

邊刮刀8把

焊接撕裂刀29把

保徑刀8把

大圓環(huán)耐磨保護(hù)整圈

5主驅(qū)動(dòng)

驅(qū)動(dòng)型式液壓驅(qū)動(dòng)

驅(qū)動(dòng)組數(shù)量9組

驅(qū)動(dòng)總功率945KW

轉(zhuǎn)速范圍0-3.35rpm

額定扭矩6650KNm

脫困扭矩8100KNm

主軸承直徑3061mm

6盾體

型式被動(dòng)較接式

前盾規(guī)格（直徑）66250mm

前盾重量約90T

中盾規(guī)格（直徑）66240mm

中盾重量約95T

尾盾規(guī)格（直徑）@6230mm

尾盾重量約24T

尾盾密封刷排數(shù)3排

盾尾安裝間隙30mm

7人倉

型式雙倉并聯(lián)

工作壓力0.3MPa

設(shè)計(jì)壓力0.5MPa

8螺旋輸送機(jī)

螺旋軸型式軸式

規(guī)格（直徑X長度）4)800X12500mm

最大通過粒徑4)290X560mm

最大出渣能力3357m3/h

驅(qū)動(dòng)功率315kW

最大扭矩210kN?m

轉(zhuǎn)速范圍0-25r/min

總重約25T

9管片安裝機(jī)

型式中心回轉(zhuǎn)式

抓舉頭型式機(jī)械式

縱向移動(dòng)行程2000mm

自由度數(shù)量6個(gè)

旋轉(zhuǎn)角度±200O

提升力120kN

扭矩150kN?m

10管片運(yùn)輸小車

規(guī)格（長X寬X高）5220X1660X545mm

承載管片數(shù)量3后

負(fù)載管片能力15T

縱向滑動(dòng)行程1760mm

11推進(jìn)系統(tǒng)

油缸規(guī)格（①缸徑/桿徑）0220/180mm

推進(jìn)行程2150mm

最大推進(jìn)速度80mm/min

最大工作壓力34MPa

最大推力3700T

12校接系統(tǒng)

油缸規(guī)格（缸徑/桿徑-行程）6180/80-150mm

油缸數(shù)量18根

總拉力約12000KN

13單液同步注漿系統(tǒng)

注漿泵型式雙活塞注漿泵

注漿泵數(shù)量2個(gè)

注漿泵功率30kW

注漿能力10X27m3/h

注漿泵出口最大壓力6MPa

砂漿罐容量87m3

14膨潤土注入系統(tǒng)

改良膨潤土泵型式軟管泵

改良膨潤土泵功率18.5kW

注入能力167m3/h

膨潤土罐容量