The blasting earthquake wave of shallow tunnel differentiates that from other kind of blasting.
浅埋隧道掘进爆破振动特征有别于其他类型的爆破。
Ground surface settlement is an important factor to evaluate surrounding rock stability of shallow tunnel.
地表沉降是判断浅埋隧道地层稳定的一个重要指标。
At the same time, the dividing line of shallow tunnel and depth tunnel in frozen earth is discussed initially.
同时,对冻土隧道的深浅埋分界进行了初步探讨。
The pressure-arch effect on the stability of jointed rock mass surrounding a shallow tunnel proves to be important.
分析结果还表明,“压力拱”效应在浅埋隧洞节理裂隙围岩稳定性中起着重要作用。
A nonlinear elastoplastic model is applied to simulate the full face 3-d excavation process of a shallow tunnel embedded in layered soil.
文章应用非线性弹塑性模型,对层状土地层中浅埋隧道全断面开挖过程进行了三维有限元分析。
Due to the influence of the surface boundary and ground loads, the analysis for surrounding rocks of shallow tunnel is difficult by ma thematic treatment.
但对于受地表边界和地面荷载的影响,浅埋隧道围岩分析在数学处理上仍存在一定的困难。
During the construction of tunnel, FLAC numerical simulation is used to analyse the stability of shallow tunnel under unsymmetrical pressure for safe control.
对于隧道施工过程的安全控制,采用FLAC进行数值模拟分析浅埋偏压隧道稳定性。
By taking a shallow tunnel on the Yuhuai railway as the research object, ground vibration induced by blasting was simulated numerically using a dynamic finite element method.
以渝怀铁路人和场隧道爆破施工为背景,采用动力有限元法对浅埋隧道掘进爆破引起的地表震动效应进行了数值模拟。
Basing on the rock mechanics property of shallow tunnel under unsymmetrical pressure, a load-structure model is used to calculate internal force and displacement of tunnel lining.
根据浅埋偏压隧道围岩的力学特性,采用荷载结构模型计算隧道支护内力及变形。
Taking the project of Ren Hechang shallow tunnel in Yuhuai railway as the background, the field experiments of the vibration effects of the ground in tunnel blasting have been done.
以渝怀铁路人和场浅埋隧道工程为背景,进行掘进爆破的地表震动效应试验。
Wenxiang Tunnel is a shallow tunnel with more difficulties, shallow buried and underpass a busy highway. So, the construction of Wenxiang Tunnel has an extremely strict settlement restrict.
其中,阌乡隧道属于浅埋隧道,并下穿重要的公路——连霍高速,因此对沉降的控制要求十分突出。
The possible water quantities flowing into tunnel are calculated initially. There are possible zones of groundwater inflowing in the section of shallow tunnel, syncline core and faulted zones.
可能引起强透水或涌水的地段主要在浅埋过沟段、向斜褶皱核部破碎岩体形成的富水段、断层破碎带及其影响带。
The complex variable method analytic solution of stress is given for the plane elastic stress problem of surrounding rock of shallow circular tunnel under ground load.
采用复变函数解法,研究地面荷载作用下浅埋圆形隧道围岩的平面弹性应力问题。
The article introduces the construction technology of center drift method for shallow excavation tunnel in Beijing Metro Line 5, analyses the monitored data for the earths surface.
介绍了北京地铁5号线磁器口车站浅埋暗挖隧道中洞法施工技术,对地表监测数据进行了分析。
The paper also introduces briefly the practical application of shallow mining method to Shihuang tunnel.
简要介绍了浅埋暗挖法施工技术在石黄隧道的具体应用。
Based on the principle of soil-structure interaction, the coupled model is used to analyze the seismic responses of a shallow embedded tunnel.
文章在考虑了土体和结构的动相互作用基础上,采用耦合模型对浅埋隧道进行抗震分析。
Wulongling tunnel on the Jingzhu Expressway is a dual-arch highway tunnel with a large span, shallow depth, poor geology and uneven ground pressure.
五龙岭隧道由于其特殊的地形地质情况,使该隧道具有大跨、浅埋、软弱不良地质和偏压等四大难点。
The aseismic performance of shallow buried water-conveyance tunnel in soft soil area is becoming more and more important with the development of large-scale water conveyance projects.
在大规模的调水工程的建设中穿越软土地区的浅埋输水隧道的抗震性能问题更加突出。
Wucunshan Tunnel of Xiamen which is designed as shallow large span structure needs to go through dense buildings in Punan territory, and construction difficulties is unusual both at home and abroad.
厦门梧村山浅埋大跨隧道,要求下穿浦南片区密集建筑群,其工程难度国内外罕见。
In excavation of shallow buried tunnel, it should be carry out to decrease the footage to prevent collapse, which shall benefit to diminish the settlement of ground surface.
浅埋隧道开挖时应严格控制地表沉陷,减小循环开挖进尺和防止塌方。
The calculation of structural load on the lining of tunnel with shallow overburden shows that the load on composite lining will be shared by primary support and secondary lining.
隧道衬砌在浅埋段的结构荷载计算表明,复合式衬砌中的初期支护和二次衬砌一般要共同承担荷载。
Nanling tunnel is a shallow-hurried tunnel where karst develops and geological condition is very complicated.
南岭隧道是地质条件极为复杂、岩溶发育的浅埋隧道。
The tunnel goes through complex geological conditions in Maoba syncline, Tongmaling anticline and Lengshuihe shallow-buried section.
该隧道穿越地质复杂的毛坝向斜、桐麻岭背斜和冷水河浅埋段。
The results show that, for relatively shallow embedded tunnel, a big error would occur if the surrounding rock pressure of the vault is regarded as uniformly distributed.
结果表明:对于埋深较浅的隧道,如果拱顶围岩压力按均布进行计算,结果会产生较大误差。
Poor geological conditions of shallow buried and unsymmetrical loaded section caused potential safety problems on construction, which is critical to the success of tunnel construction.
浅埋偏压段隧道不良地质条件给施工造成安全隐患,也是决定整条隧道施工成败的关键。
The groundwater makes a very adverse effect on the tunnel with shallow-depth.
地下水对浅埋隧道围岩的稳定性产生非常不利的影响。
It is easily collapsed for shallow and unsymmetrical large-span tunnel near portal in soft rock.
软岩地区浅埋偏压大跨度隧道进口段极易塌方。
It is difficult for mined tunnel with shallow cover to cross water-rich sand stratum.
穿越富水砂层一直是浅埋暗挖隧道的难点。
It may avoid stopping transportation and polluting city environment to have excavation in the open replaced by shallow-concealed excavation for large scale underground cable tunnel construction.
采用浅埋暗挖法施工地下电缆隧道取代明沟开挖法,可避免阻断交通、污染城市环境。
Combined with engineering example, the construction practice of tunneling is introduced for the tunnel whose entrance stand at harmful geologic conditions of shallow cover and groove with soft soil.
结合工程实例,介绍了进口端位于浅埋、沟槽软土等不良地质隧道的工程实践。
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