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DN300DN200DN700DN300DN800
天然氣管道現(xiàn)狀5米，接入凌云 w=2起便道長230米，寬便道80米埋深11.3m，寬1
¤頂管w=3頂管段D=2.段點(diǎn)明挖段D=2.2m×
÷2m??頂管段D=2.2m15.9米DN2長200米光×
÷埋深明??11.9m頂管段天然氣管道現(xiàn)狀5米，接入凌云 w=2起便道長230米，寬便道80米埋深11.3m，寬1
¤頂管w=3頂管段D=2.段點(diǎn)明挖段D=2.2m×
÷2m??頂管段D=2.2m15.9米DN2長200米光×
÷埋深明??11.9m頂管段明挖段 埋深7.5mw=6D=2.2m橋W-5-2 w=8頂管段1
¤頂管段
50m，寬5米 W-5-1w=7道7.6mD=2.2m接×
÷D=2.2m接埋深收155米
便道長1井
接0m，收??井長240.5米DN2200DN2200
w=1
凌橋
5米
明挖段檢查井
W2
橋
埋深11.2m云
長1長2
W1
200
W3
接收井
DN2200
1
¤便長W4
W6
寬
埋深8.4mw=4
w=5
埋深7.8m長160.8米
W5
埋深7.1mDN2200
DN2200
埋深5.2m收
井埋深6.4m
埋深8.7m12.3m
埋深利用后堤二級臺階為便道頂管段11.3m便道長120米。w=10埋深10.8m
w=11 w=13D=2.2mW-10-1W-10-2頂管段1
¤寬5米w=14w=12頂管段D=2.2m×
÷埋深接頂管段頂管段??D=2.2m頂管段頂管段1埋深6.4m
埋深8.7m12.3m
埋深利用后堤二級臺階為便道頂管段11.3m便道長120米。w=10埋深10.8m
w=11 w=13D=2.2mW-10-1W-10-2頂管段1
¤寬5米w=14w=12頂管段D=2.2m×
÷埋深接頂管段頂管段??D=2.2m頂管段頂管段1
¤D=2.2m1
¤接井D=2.2m×
÷ 收 收D=2.2mD=2.2m?? 井 井DN2200
長221米長200米
長217米DN2200長185.3米長200米DN2200DN2200
長188.1米DN2200DN2200DN2200w=15路 埋深6.8mW-15-2W-15-1埋深6.5m接w=8
接收井DN2200
??
埋深10.2m
埋深12.5m
埋深w=9收10.7m收
接
×
÷
收井
開源埋深6.5m頂管段D=2.4m
頂管段
D=2.4m
頂管段
DN2400
長200米長200米DN2400DN2400頂管段D=2.4m
頂管段
D=2.4m
頂管段
DN2400
長200米長200米DN2400DN2400
頂管段頂管段D=2.4m
頂管段D=2.4m長200米長200米DN2400DN2400 明挖段明挖段
長208.9米
??
D=2.4m
D=2.4m
??
長200米DN2400
??
?? ??D明挖段=2
?? ??D明挖段=2.4
m
DN2400
DN2400
W28DN2400
DN2400
W25
長200米DN2400
W26
長200米
W27
DN2400
W29
DN2400
W30
長102.4米DN2400
W31
明挖段檢查井W32
W37
龍門吊管材
原河堤頂面公園地面線原河堤頂面公園地面線擋水墻彩鋼圍擋，高擋水墻
龍門吊軌道
開挖線橫坡排水 橫坡排水 橫坡排水
單位：
2002003000202002030003000200200300020200203000單位：cm操作平臺
2
1
原材堆放場地?fù)跛畨Υ箝TDN2200/2400井底明溝50t吊車
工作井2000龍門吊
DN2200/2400管材
單位：cm操作平臺
值班室
值班室
原材堆放場地?fù)跛畨Υ箝TDN2200/2400 工作井 DN2200/2400井底明溝龍門吊
管材50t吊車
材料設(shè)備部工程技術(shù)部頂管二班組安全環(huán)境部頂管三班組財務(wù)勞資部工地試驗(yàn)室商務(wù)合約部綜合辦公室頂管二班組頂管三班組頂管四班組頂管一班組頂管四班組頂管一班組
材料設(shè)備部工程技術(shù)部頂管二班組安全環(huán)境部頂管三班組財務(wù)勞資部工地試驗(yàn)室商務(wù)合約部綜合辦公室頂管二班組頂管三班組頂管四班組頂管一班組頂管四班組頂管一班組
Kg
Kg頂管：m2014年10月混凝土/方2014年11月2014年12月2015年1月頂管：m2014年10月混凝土/方2014年11月2014年12月2015年1月2015年2月2015年3月2015年4月鋼筋/kg2014年10月2014年11月2014年12月2015年1月2015年2月2015年3月2015年4月
頂管專用鋼筋混凝土管進(jìn)場計劃圖0 頂管鋼筋、混凝土管進(jìn)場計劃圖0
6004002000鋼筋 混凝土
HY962
JA-50
。管道采用頂管專用Ⅲ級鋼筋混凝土鋼承口管
DoD1
DoD1
《碳素鋼結(jié)構(gòu)》中
《碳素結(jié)構(gòu)鋼和低合金結(jié)構(gòu)鋼熱軋厚鋼板和鋼帶》中
人、材、機(jī)、場地準(zhǔn)備土方開挖鋼筋安裝
施工準(zhǔn)備測量放樣工作井、接受井施工
組織準(zhǔn)備模板安裝砼澆筑井內(nèi)、外設(shè)備安裝設(shè)備調(diào)試掘進(jìn)機(jī)穿墻出洞管道頂進(jìn)出土外運(yùn) 觸變泥漿減阻管道頂進(jìn)管道接口
管節(jié)拼裝掘進(jìn)機(jī)進(jìn)洞洞口封堵處理管縫處理工作井流槽砌筑閉水檢驗(yàn)檢查井砌筑回填土
0.5m1m0.5m4.415m0.5m1m0.5m4.415m
DN2200/2400外壁管道外壁+100mmDN2200/2400外壁管道外壁+100mm
80cm16mm
10mm40cm
DN2200/2400
60cm30cm
10981 2 3 4 5 6 7
精度。湛南工程頂進(jìn)鋼筋混凝土管時，兩軌道間距按照
12
2
進(jìn)行計算。
、吊耳 、筋板 、面板
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