It is quite important to choose a rational design and construction scheme for construction of large span tunnel.
在大跨隧道的修建中，选择一套合理的设计和施工方案是十分重要的。
Meanwhile, the pipe-roof grouting and pile anchoring method have been adopted also to strengthen the bedding strata of the large span tunnel.
同时对浅埋、富水和地质顺层地段分别采用管棚注浆和锚固桩加固的方法进行了处理。
For a large span tunnel, this paper from the Monitoring the development and implementation of programs such as a large span of the tunnel excavation method.
针对大跨度隧道施工，本文主要从监控量测方案的制定和实施等方面浅谈了大跨度隧道开挖施工方法。
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。
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。
The coal seam tunnel of compound mudstone roof of large span is the tunnel that is violent out of shape, roof is easy falling and safeguard is very difficult.
大跨度复合泥岩顶板煤层巷道是围岩变形剧烈且顶板易冒落、极难维护的巷道。
The primary support and the second lining of large-spanned tunnel have endured different surrounding rock stress because of the influence of structure and span of tunnel.
大拱隧道受结构和跨度的影响，其初期支护与二次衬砌各自承受不同的围岩压力。
Based on the wind tunnel tests for large span cantilevered flat roof, the distributing characteristics of mean local shape factor and extreme local shape factor of the roof are studied.
本文结合一大跨悬挑平屋盖模型的风洞试验研究，分析了此类结构屋盖的平均局部体型系数和极值局部体型系数的分布特性；
As the large spanned arch tunnel is influenced by the structure and span, the loads on initial support and secondary lining are different.
大跨连拱隧道受结构和跨度的影响，其初期支护与二次衬砌各自承受不同的围岩压力。
The fluctuating pressure on the large-span complex roof of Guangzhou International Meeting and Exhibition Center were investigated by means of wind tunnel test, The test results have been analyzed.
介绍了复杂大跨屋面的脉动风压风洞试验研究方法和广州国际会议展览中心屋面脉动风压风洞试验的结果，并对结果进行了分析。
Construction of various urban underground engineering, deep-buried tube work, large span highway (railway) tunnel are greatly improving tunnel construction technology.
一系列的城市地下工程、深埋管道工程、大跨度公(铁)路隧道的修建，大大促进了隧道施工技术的进步。
The exact simulation of atmospheric boundary layer is not only the precondition of the wind tunnel test of the large span roof structures, but also a difficulty of its.
大气边界层的正确模拟是用风洞试验测量大跨屋面风荷载的前提，也是风洞试验研究的难点。
The aerodynamic interference effects on aerostatic coefficients of twin deck Bridges with large span were investigated in details by means of wind tunnel test.
针对大跨度双幅桥面桥梁三分力系数的气动干扰问题，采用风洞试验方法对某在建大跨度双幅桥面桥梁的气动干扰效应进行研究。
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。
Reasonable span-ratio has an important effect on configuration stability and economical nature of large-span tunnel.
合理的扁平率对大断面隧道稳定性和经济性具有重要的意义。
What has gained that served as the design and construction in Hanjialing large-span tunnel, and will provide the important reference basis to other tunnels.
所得计算结果和有关结论为韩家岭大跨度隧道的设计及施工提供重要的参考依据。
The tunnel consists of a single tube with four lanes, and was excavated with the layer-step method, which is a new attempt in constructing the tunnel with large across span.
隧道为单洞四车道，采用分层台阶法进行开挖，在大跨度隧道施工中是一种新尝试。
The tunnel-type anchorage of Siduhe Bridge is used for the first time in large-span suspension bridge in China.
四渡河大桥是我国首次采用隧道式锚碇的大跨径悬索桥。
The tunnel-type anchorage of Siduhe Bridge is used for the first time in large-span suspension bridge in China.
四渡河大桥是我国首次采用隧道式锚碇的大跨径悬索桥。
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