1) large cross-section tunnel
大断面隧道
1.
The applicability of CRD construction method for large cross-section tunnels located in such geological conditions and the technical measures and machinery matching technology taken to achieve safe and rapid tunnel co.
结合厦门翔安海底公路隧道陆域段大断面全-强风化花岗闪长岩隧道开挖施工工法、施工组织和机械化施工配套技术等施工手段的实施情况,介绍了大断面隧道CRD工法施工对该地层的适应性和实现安全快速施工的技术措施和机械配套技术。
2.
On basis of summarizing the experience in the construction of the passenger-dedicated railway tunnels in China,the authors present the technical features of the construction the large cross-section tunnels and the selection of the excavation methods for the tunnels.
通过对国内部分已建和在建客运专线大断面隧道的施工总结,结合生产实践,主要论述了大断面隧道的施工技术特点及开挖方法选择;并以合武铁路隧道施工为例,对隧道开挖方法进行了探讨;可为大断面隧道施工提供参考。
3.
On basis of the statistics of construction of large cross-section tunnels crossing directly underneath existing Metro lines and the large number of monitoring data obtained in the job site,the author makes detailed analysis on the construction dynamics so as to provide reference for other similar works.
对大断面隧道近距离穿越既有结构的施工状况进行了统计,并结合现场采集的大量监测数据,对施工动态进行了详细的分析,可为类似的工程提供借鉴。
2) large section tunnel
大断面隧道
1.
Taking for example of the excavation Pansteel Baima iron ore mine,the construction method and precautions for large section tunnel in fracture weak strata were introduced.
以攀钢白马铁矿一期工程1600主平硐的开挖为例,介绍了在软弱破碎岩层中大断面隧道的施工方法及注意事项。
2.
This paper is based on the construction of linjiangmen station tunnel of the Chongqing Jiaoxin Light Railway, the demolition shock absorption applied to urban shallow covered large section tunnel in hard rocks under complicated conditions is introduced.
以重庆轻轨较新线临江门车站隧道为例,介绍了复杂条件下城市浅埋硬岩特大断面隧道减震爆破施工方法,由于采用了一系列综合减震措施,开挖爆破对隧道周边围岩的影响降低到最小程度;在爆破设计中,掏槽眼增加了减震孔,周边眼增加了导向孔,采取隔孔装药方式,对提高炮眼利用率起到了良好的作用。
3) large-section tunnel
大断面隧道
1.
The development of road needs large-section tunnel badly.
公路的发展迫切需要大断面隧道,通过介绍隧道基本开挖方法和辅助施工方法,并对全断面法、双侧壁导坑法、台阶法和中隔墙法进行了分析比较,选择了适合大跨度隧道施工的方法,为大断面隧道施工提供了参考。
2.
In order to master the mechanical behavior of surrounding rock and lining support in shallow-depth large-section tunnel when tunneling, and provide scientific laws for safty construct in shallow-depth large -section tunnel.
论文结合达成铁路宝石岩隧道和家乡沟隧道的工程实际,重点对浅埋大断面隧道在施工期间围岩和支护结构发生的力学行为进行研究,为浅埋大断面隧道的安全施工提供科学依据。
3.
Consequently,the optimum bolts layout scheme of large-section tunnel in weak rock can be obtained at certain class of surrounding rock from the foregoing calculation results.
采用有限差分程序FLAC分析软岩大断面隧道在同类围岩条件下用同一种方式开挖时,分别采取不同的锚杆布置方式时围岩应力分布、锚杆受力状态对围岩稳定的影响等,可以确定出软岩大断面隧道在一定的围岩级别下最优的布锚方案,并可为大断面隧道与地下工程的锚杆支护参数的优选、技术规范的修订提供参考。
4) tunnel with large cross section
大断面隧道
1.
The numerical simulation of constructional mechanical responses of highway tunnel with large cross section;
大断面隧道施工力学响应数值模拟研究
5) tunnel with large section
大断面隧道
1.
Based on the in-situ monitoring of acoustic velocity in Damaoshan Tunnel with large section, accumulative damage range of surrounding rock is studied in tunnel with large section excavating with two side-wall pilot tunnel method of the advancing to-and-fro blasting operations.
结合大帽山大断面隧道群的现场声波监测,研究推进式往复爆破作业的双侧壁导坑法施工的大断面隧道的围岩累积损伤范围,声波监测结果表明,在推进式的多次爆炸荷载作用下,围岩将产生一定程度和范围的损伤;侧壁围岩的累计损伤范围主要由与其齐平的导洞I的开挖掌子面爆破决定;其损伤范围随着导洞I开挖掌子面的接近而逐渐增大,当两者齐平时围岩的损失范围达到最大;但当导洞I开挖掌子面逐渐远离和导洞III爆破开挖通过时,围岩的损伤范围并没有扩大,仅导致损伤围岩的损伤程度增大。
补充资料：异形断面钢材(见异形断面型材)
异形断面钢材(见异形断面型材)
special section steel
，一、u以uu、’“飞豆on gQngC01异形断面钢材(speeial Seetion steel)见异形断面型材。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条