隧道穿越不良地质段施工技术的研究。
Do research on tunnel passing through bad geological section.
对不良地质段隧道开挖灾害防治有一定的借鉴意义。
It is believed that the research has reference to the prevention for disasters in tunnel construction under poor geological condition.
通过两种方法的研究来更好的对隧道不良地质进行预报。
Through the study of the two methods to forecast adverse geological condition in tunnel.
我国地域广阔，软弱地基分布广泛，不良地质条件较多。
China is a huge geographical country, with the widespread soft foundation and plenty of poor geological condition.
讨论了运用综合物探方法在不良地质体勘察中的应用效果。
The effectiveness of using comprehensive geophysical methods to detect the unfavorable geological body of airfield construction project is discussed in this paper.
最后指出海底隧道穿越不良地质段的施工技术要点和紧急预案。
Finally, construction techniques that are used for tunnel passing through unfavorable geology bodies are indicated.
根据不良地质条件对不同洞室的影响程度，采取不同的控制方法。
In the light of influence extent of the unfavorable geology on the different Chambers, the different control ways were taken before, during and after excavation.
隧道穿越不良地质有：高压力水、煤层、采空区、瓦斯、岩溶、断层等。
The poor geological conditions that the tunnel confronts include high-pressure water, coal seam, goaf, gas, Karst and fault.
锚杆挡土墙可减少土方开挖工程量，有效避免不良地质情况下的边坡塌方。
Anchored retaining wall can reduce the earth excavation quantity and avoid slope collapse in unfavorable geological conditions effectively.
岩溶是地下水地质作用的过程和结果，是隧道建设面临的不良地质现象之一。
Karst is a process and result of groundwater geologic function and it is one of bad geological phenomenon facing tunnel construction.
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。
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.
百色重力坝地质条件复杂，地基岩体具有高模量比、节理裂隙发育等不良地质现象。
The foundation of Baise gravity dam has bad geological phenomena such as high elastic modulus ratio, joint fissures and large faults etc.
古塌陷是岩溶地区的一种常见的不良地质现象，一般不宜作为建筑物地基直接持力层。
The ancient collapse is a familiar ill geologic phenomenon in karst region, usually it is unsuitable for direct ground bearing stratum.
瞬变电磁法对低阻充水断层、充泥充水溶洞、充水充泥破碎带等不良地质体反映灵敏。
The new method is sensitive to the unfavorable geologic bodies filled with water or mud such as faults, caves and zones of rock fracture.
瞬变电磁法对低阻充水断层、充泥充水溶洞、充水充泥破碎带等不良地质体反应灵敏。
The new method is sensitive to the unfavorable low resistively geologic bodies filled with water or mud such as faults, caves, zones of rock fracture and water-saturated fracture zone.
文中介绍了万家寨引黄隧洞工程不良地质洞段施工中的开挖，临时支护，混凝土衬砌等。
This paper introduces excavation of the unfavorable geological section of tunnel project of Wanjiazhai YRDP, temporary brace and construction of concrete lining.
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。
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.
通过对实例验证结果表明，应用瞬变电磁法进行隧道水体不良地质体超前地质预报是有效的。
The results from practice show that the said method is effective to the advanced geologic forecasting of the unfavorable geological bodies filled with water.
桩基是土木工程各种施工中常见的地基处理方法，但桩基施工最怕出现不良地质，尤其是涌砂。
The pile foundation is a method of disposing the foundation, it is unfavorable to encounter sand flow in the pile foundation.
系统分析注浆加固圈厚度对地层沉降的影响关系，并据此提出海底隧道不良地质段的地层加固范围；
The relation between the thickness of grouting circle and strata settlement is also given to determine the optimal grouting circle thickness for unfavorable geologic bodies.
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。
Wulongling tunnel on the Jingzhu Expressway is a dual-arch highway tunnel with a large span, shallow depth, poor geology and uneven ground pressure.
本文介绍了国内外隧洞工程施工的现状，阐述了软弱围岩和不良地质隧洞开挖失稳的机理和支护方法。
This paper introduces the present status of construction of tunnel projects home and abroad, explains the mechanism and shoring method of weak wall rocks and excavation of unfavorable tunnels.
摘要：溶洞作为一种不良地质具有无规律性且难以直观察觉等特点，一直以来是基础设计及施工的难题。
Abstract: as a kind of karsts, geological one has no regularity and hard to perceive directly etc, has been is the foundation for design and construction of difficult problems.
通过分析，以期引起工程技术人员对不良地质对工程及周边环境不利影响的重视，其他类似工程能加以借鉴。
It is hoped that engineers can attach more importance to the disadvantageous influence of deficient geological condition, and the results could serve valuably for other similar engineering.
隧洞不良地质段包括断层、低强度的软弱夹层、地质构造发育的结构松散地层、非岩性粘土、高地应力地层和富水地层等。
The tunnel adverse geological faults include faultage, low strength, geological formation and development of loose, non-rock clay, high stress formation and water-rich strata.
对上海崇明越江隧道工程沿线的工程地质和水文地质条件进行概略总结，并对场地内的不良地质及其对策进行了分析评价。
The paper summarizes the engineering geologic and hydrogeologic condition along the Shanghai Chongming Tunnel and analyses the unfavorable geological condition and its solution in the site.
实践表明，采用钻孔雷达和BEAM电法探测技术对隧道掌子面前方的不良地质情况，尤其是含水情况具有较好的预测结果。
The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water-holding condition, is satisfied.
黄土地区高速公路下伏不良地质体是高等级公路建设中经常遇到的地基问题，其病害类型主要是路基塌陷形成陷坑和路基边坡坍塌。
The harmful geology structure under the freeway is a ground problem existing in the freeway construction in the loess region, and it mainly results in the collapse of the roadbeds and the slopes.
研究结果表明：连拱隧道内侧断裂带、上方松散层等不良地质条件和不合理的施工方案是导致隧道衬砌严重破坏和山体地表开裂的主要原因。
The research results indicate that the top inclined fault and the loose rock strata and the unreasonable construction project are the main causes to induce these defects.
研究结果表明：连拱隧道内侧断裂带、上方松散层等不良地质条件和不合理的施工方案是导致隧道衬砌严重破坏和山体地表开裂的主要原因。
The research results indicate that the top inclined fault and the loose rock strata and the unreasonable construction project are the main causes to induce these defects.
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