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更新时间:2019-04-13 14:37

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长安街西延热力隧道工程01

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工程概况

全线均采用浅埋暗挖施工,总长1175.6m。其中DN1200暗挖隧道净空尺寸为5.0×3.0m、长1095.6米;DN500暗挖隧道净空尺寸为2.6×2.3m、长80.0m。隧道内设有固定支架、导向支架及滑动支墩若干。

全线设检查室7座,检查室均为钢筋混凝土结构,初衬结构采用锚喷护壁法施工。

干线为北供南回,采用波纹管补偿器和自然补偿。温度(供/回)150/90℃。设计压力1.57Mpa,强度试验:2.4Mpa;严密性试验:2.0Mpa。暗挖隧道采用螺旋焊缝钢管,检查室内管道采用膨胀珍珠岩瓦,暗挖隧道、波纹管补偿器采用高温玻璃棉,柔性防水层。

暗挖隧道、小室采用1.5mmEVA/ECB共挤复合板,隧道拱墙、竖井井壁设置无纺布。

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长安街西延热力隧道工程施工现场

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  • 发布者:Mr 刘
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    西六环中段天然气工程...

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    yabovip.com 涿州-房山供热工程输热主干线项目主路段2标段施工现场
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