安全專項施工方案培訓資料

目錄

1編制依據...............................................................................1

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

1.2編制依據..........................................................................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設備配置...............................................................................................................................................3

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

2.4工程地質及水文地質.................................................................7

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

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

2.4.3工程地質及水文地質概況.................................................................................................................8

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

2.5.1盾構穿越沿線建構筑物.....................................................................................................................13

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

3工程重難點............................................................................14

3.1盾構穿越沿線建構筑物多、施工難度較大..............................................14

3.2盾構下穿沙河及駟馬橋..............................................................14

3.3盾構下穿北新高架..................................................................14

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

3.5盾構始發(fā)及到達....................................................................14

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

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

4盾構隧道施工風險分析...................................................................15

4.1風險源識別.......................................................................15

4.2風險分析..........................................................................16

4.2.1盾構始發(fā)與到達..............................................................................................................................16

4.2.2盾構掘進.........................................................................................................................................16

4.2.3盾構穿越沙河及駟馬橋.................................................................................................................17

4.2.3盾構穿越城北賓館.........................................................................................................................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風險評價..........................................................................21

5專項施工方案..........................................................................25

5.1盾構始發(fā)與到達....................................................................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掘進控制............................................................................................................................................32

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

5.2盾構掘進方案......................................................................37

5.2.1盾構機選型及改造............................................................................................................................37

5.2.2施工前準備........................................................................................................................................38

5.2.3盾構參數設定及優(yōu)化........................................................................................................................39

5.2.4盾構試掘進........................................................................................................................................42

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

5.2.6盾構掘進方向控制與調整................................................................................................................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

5.2.10洞內二次注漿加固.........................................................................................................................50

5.2.10盾構管片加強..................................................................................................................................51

5.2.11滯后沉降的控制及應急措施..........................................................................................................51

5.2.12數據采集、傳遞與分析..................................................................................................................53

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

5.3盾構下穿沙河及駟馬橋方案.........................................................54

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

5.3.2掘進參數.........................................................................................................................................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“保頭護尾”............................................................................................................................58

5.3.7設備檢查和保養(yǎng)................................................................................................................................58

5.4盾構穿越城北賓館加固措施..........................................................58

5.4.1施工前準備........................................................................................................................................58

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

5.5盾構穿越民房地面加固方案..........................................................60

5.5.1施工前準備.........................................................................................................................................60

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

5.5.3洞內深孔注漿...................................................................................................................................61

5.6盾構穿越管線方案..................................................................62

5.6.1施工前準備.........................................................................................................................................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..........................................................................................................................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)測實施細則......................................................................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)測項目及精度要求........................................................................................................................73

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

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

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

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

6.2.2建（構）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)測預警等級劃分、報告、處置、消警................................................86

6.4監(jiān)測數據的處理、分析與信息反饋....................................................87

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

6.4.2數據采集.........................................................................................................................................88

6.4.3數據整理.........................................................................................................................................89

6.4.4數據分析.........................................................................................................................................89

6.4.5信息的反饋和預警報告.................................................................................................................89

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

7安全應急預案..........................................................................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完善各項安全生產管理制度.........................................................................................................93

7.1.3建立安全生產崗位責任制度.........................................................................................................93

7.1.4堅持安全教育.................................................................................................................................93

7.1.5強化技術安全管理.........................................................................................................................93

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

7.2.應急管理組織機構................................................................94

7.2.1應急組織機構..................................................................................................................................94

7.2.2事故應急小組職責..........................................................................................................................94

7..........................................................................................................................................2.3應急聯(lián)絡電話.97

7..................................................................................................................................................2.4預防預警.98

7.3應急準備及應急響應...............................................................98

7.3.1應急物資..........................................................................................................................................98

7.3.2應急響應程序..................................................................................................................................99

7.4應急救援措施....................................................................103

7.4.1地表沉陷事故應急措施................................................................................................................103

7.4.2管線應急措施................................................................................................................................103

7.4.3建筑物應急措施...........................................................................................................................104

7.5培訓、應急演練和預案評價及修改...................................................104

7.5.1培訓工作....................................................................104

7.5.2預案評價與修改..............................................................105

7.5.3應急救援預案的維護.........................................................105

1編制依據

1.1編制目的

為做好成都地鐵7號線一期工程土建1標盾構區(qū)間風險管理工作，全面地考慮在施

工中所能遇到的各種風險的狀況，進行盾構施工各階段的風險識別和評估，制定相應的

風險控制措施、專項方案以及應急預案，從而進一步加強對盾構施工危險性較大的分部

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

安全和社會公共安全。特編制本方案。

1.2編制依據

（1）《危險性較大的分部分項工程安全管理辦法》（建質[2009]87號）；

（2）《關于完善施工現場管理人員配備的實施意見》（成建委[2008]101號）；

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

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

號）；

（5）《關于進一步加強盾構施工安全管理工作的通知》（成地鐵建[2013]67號）；

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

（7）《盾構法隧道施工與驗收規(guī)范》（GB50446-2008）；

（8）《建筑與市政降水技術規(guī)程》（JGJ/T111-98）；

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

件等；

（10）《成都地鐵7號線一期工程火車北站?駟馬橋站巖土工程詳細勘察報告》；

（11）成都地鐵7號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號線一期工程土建1標盾構區(qū)間沿線建筑物基礎施工圖紙；

（13）《成都地鐵7號線一期工程土建1標段實施性施工組織設計》；

（14）成都地區(qū)盾構施工技術積累和經驗總結，我公司在盾構施工領域積累的技術

和管理經驗。

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，沿云景灣項目旁小路穿過一

片空地后下穿成都鐵路局工務大修段家屬樓，出工務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入荷花池社區(qū)，出荷花池社區(qū)后沿站前

路到達火車北站東端頭。

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個聯(lián)絡通道(2個含泵房)、4個洞門。

本工程主要內容見下表:

主要工程內容表表2.2-1

序號工程項目及費用名稱單位數量

1盾構主體工程項1

2盾構區(qū)間隧道工程延長米3542.662

3盾構掘進延長米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)絡通道項3

7洞門個4

主要工程進度計劃表表2.2-2

聯(lián)絡通道及泵

序號區(qū)間盾構始發(fā)時間盾構到達時間

房完成時間

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設備配置

1）本工程采用兩臺中鐵裝備盾構機，編號為63號、64號。本工程編號右線3號、

左線4號盾構機，盾構機主要參數如下：

盾構機主要參數表表2.3-1

序號參數列表單位

1使用項目成都地鐵

標段名稱7號線一期工程土建1標

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

主要地質條件卵石土

項目管片規(guī)格（外徑/內徑-寬度/分度）①6000/5400-1500/36°inm

最小曲線半徑400m

2整機

型號CTE6250

開挖直徑*6280mm

刀盤轉速0-3.35r/min

最大推進速度-80mm/min

最大推力3700T

最大工作壓力0.3MPa

水平轉彎半徑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%

結構總重約50（不含刀具）T

泡沫口數量4個

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)耐磨保護整圈

5主驅動

驅動型式液壓驅動

驅動組數量9組

驅動總功率945KW

轉速范圍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

設計壓力0.5MPa

8螺旋輸送機

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

驅動功率315kW

最大扭矩210kN?m

轉速范圍0-25r/min

總重約25T

9管片安裝機

型式中心回轉式

抓舉頭型式機械式

縱向移動行程2000mm

自由度數量6個

旋轉角度±200O

提升力120kN

扭矩150kN?m

10管片運輸小車

規(guī)格（長X寬X高）5220X1660X545mm

承載管片數量3后

負載管片能力15T

縱向滑動行程1760mm

11推進系統(tǒng)

油缸規(guī)格（①缸徑/桿徑）0220/180mm

推進行程2150mm

最大推進速度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

注漿泵數量2個

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