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服务隧道
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  service tunnel
     Combined with subsea tunnel engineering at eastern route way in Xiamen,the minimum rock covering thickness of subsea tunnel,water pressure design values,section optimization of lining structure and waterproof and drainage project,construction measures throughout bad subsea geology section,such as fault,solution groove,necessity of service tunnel setting were analyzed.
     结合厦门东通道海底隧道工程,对海底隧道最小岩石覆盖层厚度、水压力设计值的确定,衬砌结构断面优化与防排水方案,穿越海底不良地质段(断层、溶槽)的施工措施及服务隧道设置的必要性问题进行了分析。
短句来源
     service tunnel setting was beneficial to the tunnel construction and running management.
     设置服务隧道有利于隧道施工和运营管理。
短句来源
     Then the conception of Service Tunnel is put forward and applied it to optimize the Quality of Service of Hierarchical Application Level Multicast.
     接着提出了服务隧道的概念,并应用服务隧道对分层应用级组播进行了QoS优化;
短句来源
  “服务隧道”译为未确定词的双语例句
     This paper analyses the division of engineering section, arrangement of construction schedule and service for rapid construction of submarine tunnel from strategy, presents the roles in rapid construction of submarine tunnel by adopting key techniques for advanced geological forecast, treatment of weathered trough, water proofing and air ventilation from tactics.
     本文从战略上分析了施工标段划分、工期安排和服务隧道优先快速施工对实现快速施工的影响; 从战术上指出抓住超前地质预报、风化槽处理、防水通风等几项关键技术对实现快速施工的作用。
短句来源
     Based on the information feedbacks and forecasting the geology of main tunnel and judging the stability of surrounding rocks, the detailed measures and schemes for design and construction is proposed for the main tunnel. As necessary, adjustments and variations on the preliminary design parameters and schemes of the tunnel lining during construction are carried out. The timely feedbacking between design and construction contributes an effective method for successful tunneling below the sea water.
     为解决海底隧道勘察、设计与施工技术难题,减小设计与施工风险,通过对先行服务隧道建立动态反演预测模型,及时对主隧道前方地质情况进行超前预报,并对围岩稳定性进行准确判断,根据反馈信息,对主洞前方设计与施工方案进行科学合理地组织,必要情况下须对原设计的隧道支护参数与施工方法作调整和修正,做到动态信息化设计与施工,确保海底隧道顺利穿越。
短句来源
  相似匹配句对
     Series service.
     服务系列化 ;
短句来源
     At Your Service
     为您服务
短句来源
     Tunnel Vision
     隧道进行曲
短句来源
     service tunnel setting was beneficial to the tunnel construction and running management.
     设置服务隧道有利于隧道施工和运营管理。
短句来源
     Parvenu" - Tunnels
     隧道“新贵”
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  service tunnel
Combined diversion and service tunnel spillway of the Tashkumyr hydroelectric station
      
Due to know soft ground conditions, it was suspected that the service tunnel was founded on steel piles.
      
Excavation commenced with the service tunnel, which was followed by the south and then the north running tunnels.
      
For acceptable working conditions, the temperature in the service tunnel should not exceed 25 C.
      
Had piles been identified these would have had to be pulled out and a suitable support of the service tunnel provided in their place.
      
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This paper analyses the division of engineering section, arrangement of construction schedule and service for rapid construction of submarine tunnel from strategy, presents the roles in rapid construction of submarine tunnel by adopting key techniques for advanced geological forecast, treatment of weathered trough, water proofing and air ventilation from tactics.

本文从战略上分析了施工标段划分、工期安排和服务隧道优先快速施工对实现快速施工的影响;从战术上指出抓住超前地质预报、风化槽处理、防水通风等几项关键技术对实现快速施工的作用。

Combined with subsea tunnel engineering at eastern route way in Xiamen,the minimum rock covering thickness of subsea tunnel,water pressure design values,section optimization of lining structure and waterproof and drainage project,construction measures throughout bad subsea geology section,such as fault,solution groove,necessity of service tunnel setting were analyzed.Authors gave the minimum rock covering thickness with comprehensive consideration of stability of surrounding rock and tunnel seepage volume.Authors...

Combined with subsea tunnel engineering at eastern route way in Xiamen,the minimum rock covering thickness of subsea tunnel,water pressure design values,section optimization of lining structure and waterproof and drainage project,construction measures throughout bad subsea geology section,such as fault,solution groove,necessity of service tunnel setting were analyzed.Authors gave the minimum rock covering thickness with comprehensive consideration of stability of surrounding rock and tunnel seepage volume.Authors also put forward that waterproof and drainage project using limitation control was suitable;slip-casting and freezing method could be used throughout bad geology section;service tunnel setting was beneficial to the tunnel construction and running management.

结合厦门东通道海底隧道工程,对海底隧道最小岩石覆盖层厚度、水压力设计值的确定,衬砌结构断面优化与防排水方案,穿越海底不良地质段(断层、溶槽)的施工措施及服务隧道设置的必要性问题进行了分析。提出应从围岩稳定性和隧道涌水量的大小综合考虑最小岩石覆盖层厚度;采用限量排放的防排水方案对海底隧道较为适宜;施工中可采用注浆和冻结法穿越海底的不良地质段;设置服务隧道有利于隧道施工和运营管理。

Research purpose: The surrounding rock of Fault F3 of Bieyancao Tunnel on Yichang-Wanzhou Railway Line is broken up. The fault is of gravely soil with local developments of solution crack and fluid bowl, and a little underground water. According to the standard of surrounding rock V Grade, the prevention and support are conducted in advance for the surrounding rock by small pipe, grid steel frame and net spraying concrete, and bench excavation is adopted during sonstruction. Three months later of primary prevention...

Research purpose: The surrounding rock of Fault F3 of Bieyancao Tunnel on Yichang-Wanzhou Railway Line is broken up. The fault is of gravely soil with local developments of solution crack and fluid bowl, and a little underground water. According to the standard of surrounding rock V Grade, the prevention and support are conducted in advance for the surrounding rock by small pipe, grid steel frame and net spraying concrete, and bench excavation is adopted during sonstruction. Three months later of primary prevention and support, the support for the tunnel is seriously cracked and deformed, and water is burst by large scale because of increments of water volume and water pressure in underground river on right side of railway line (10-20 m far from tunnel), caused by heavy rain. The analysis is made of mechanisation for burst water on Fault F3 and an introduction is given to treatment measures for the gushed water in this paper. Research method: After occurrence of burst water, the following emergency measures are taken on site. Toroidal reinforcement and lateral support are conducted by I-steel, and holes are drilled on right side wall to drain water and decrease water pressure. After stabilization of water volumen, the radial reinforcement is conducted for Fault F3 by grouting to block water. The deformed grid steel frames are displaced by steel frame I20 and secondary lining is laid in time. Research result: After treatment by adopting technical measures of "radial grouting reinforcement-primary support reinforcement-laying secondary lining", only local vadose water occurs on Fault F3 with water volume of one cubic meter per hour. The treatment result is good. Research conclusion: First, it is known from burst water accident if the watery situation of underground river occurs around tunnel (within 100 meters), once the surrounding rock breaks up, even water is not burst during tunnel excavation, but it is difficult to ensure no occurrence of burst water after ending primary support or no occurrence of problems in service of tunnel. With concept increment of "Strengthen the foundamental and weak the trivial, and service for operation" for tunnel construction, it is necessary to reinforce in advance and make provisions before troubles occur to such geological structure. Secondly, it is an effective way to treat and prevent occurrence of burst water in similar geological structure of Fault F3 of Bieyancao Tunnel.

研究目的:宜万铁路别岩槽隧道F3断层围岩破碎,为碎石土,局部溶隙、溶槽发育,有少量地下水,施工中按V级围岩采用超前小导管支护、格栅钢架支撑、网喷混凝土,采取台阶法开挖。在初期支护完成3个月后,由于受地表强降雨影响,致使隧道线路右侧暗河(距隧道约10-20 m)水量增大、水压升高,继而导致隧道初期支护严重开裂-变形,突发大规模涌水。本文主要分析了F3断层突发性涌水机理,介绍了F3断层突涌水的治理措施。研究方法:突发性涌水后,现场立即启动应急预案,在安全监视下,采取工字钢环向加固和横向支撑,并对线路右侧边墙进行钻孔放水泄压。水量稳定后,对F3断层段采取径向加固堵水注浆;拆除变形格栅钢架,采用 I20钢架替换;并及时施作二次衬砌。研究结果:通过采取“径向注浆加固-初期支护加强-及时施作二次衬砌”等综合技术措施,F3断层治理后,仅在局部位置出现渗流水,水量1 m3/h,治理效果良好。研究结论:(1)通过别岩槽隧道F3断层涌水事故,当隧道周围(不超过100m)存在暗河通道等赋水条件, 隧道开挖揭示围岩破碎,那么,既使隧道开挖中未发生涌水,也难以保证初期支护完成后不发生涌水事故,甚至很难保证隧道完成后运营过程中不出现问题...

研究目的:宜万铁路别岩槽隧道F3断层围岩破碎,为碎石土,局部溶隙、溶槽发育,有少量地下水,施工中按V级围岩采用超前小导管支护、格栅钢架支撑、网喷混凝土,采取台阶法开挖。在初期支护完成3个月后,由于受地表强降雨影响,致使隧道线路右侧暗河(距隧道约10-20 m)水量增大、水压升高,继而导致隧道初期支护严重开裂-变形,突发大规模涌水。本文主要分析了F3断层突发性涌水机理,介绍了F3断层突涌水的治理措施。研究方法:突发性涌水后,现场立即启动应急预案,在安全监视下,采取工字钢环向加固和横向支撑,并对线路右侧边墙进行钻孔放水泄压。水量稳定后,对F3断层段采取径向加固堵水注浆;拆除变形格栅钢架,采用 I20钢架替换;并及时施作二次衬砌。研究结果:通过采取“径向注浆加固-初期支护加强-及时施作二次衬砌”等综合技术措施,F3断层治理后,仅在局部位置出现渗流水,水量1 m3/h,治理效果良好。研究结论:(1)通过别岩槽隧道F3断层涌水事故,当隧道周围(不超过100m)存在暗河通道等赋水条件, 隧道开挖揭示围岩破碎,那么,既使隧道开挖中未发生涌水,也难以保证初期支护完成后不发生涌水事故,甚至很难保证隧道完成后运营过程中不出现问题,随着“强本简末,为运营服务”隧道修建理念的提高,针对类似地质构造,做到提前防范,加强处理。(2)针对类似别岩槽隧道F3断层地质特点,采取径向注浆是一种有效的治理及防范措施。

 
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