Karst tunnel; Advanced geological forecast; Interpretation technology; Comprehensive result map;
岩溶隧道； 地质超前预报；破译技术；综合成果图；
The water-inrush of karst tunnel affects the stability of adjacent rock and the safety of tunnel seriously.
岩溶隧道涌水严重影响隧道围岩的稳定，威胁隧道的安全。
The safety situation of karst tunnel is the most serious and headache problem from the point of view of safety situation in construction industry field.
从建筑业的安全现状分析，岩溶隧道的安全现状最令人担忧。
It is of great use to tunnel design and construction by investigation of karst development and analysis of water burst mechanism.
调查岩溶发育特征，分析突水机理，对隧道的设计和施工具有重要的指导作用。
Karst is a process and result of groundwater geologic function and it is one of bad geological phenomenon facing tunnel construction.
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。
The poor geological conditions that the tunnel confronts include high-pressure water, coal seam, goaf, gas, Karst and fault.
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。
It is of great necessity and importance to make advance karst prediction during tunnel construction in karst area.
在岩溶地区修建隧道过程中进行岩溶超前预报，其必要性和重要性是毋庸置疑的。
In tunnel construction of rich water karst area, the key technology to guarantee the tunnel construction security is to detect and forecast the geological situation in front of the tunnel face.
岩溶富水隧道施工中对隧道掌子面前方一定范围内的地质情况进行超前探测和预测预报是保证隧道施工安全的关键技术。
At the same time the principle of judging karst disaster danger segment in the course of tunnel construction is bought forward.
在此基础上提出了岩溶山区隧道施工过程中岩溶灾害危险地段的判定原则。
More and more problems of karst influence railway tunnel safety, the irregular character of karst brings difficulties to survey.
越来越多的岩溶问题影响铁路隧道安全，岩溶发育的不规律性给探测、预报带来了困难。
Because of the influence of karst, the construction mechanics response of highway tunnel in karst differs from that of common tunnel.
岩溶地区公路隧道因受岩溶发育程度、岩溶位置等的影响，其施工力学响应与一般隧道存在较大区别。
Karst disaster is one of the familiar geology disasters in tunnel construction of mountain area.
我国是一个多山、多岩溶地貌国家，岩溶问题是山区隧道建设中的关键问题之一。
The geological disaster, such as cave of karst, rushing water and collapse often occur in tunnel excavation.
隧道在施工中不可避免地会遇到诸如溶洞、突水、坍塌等常见的地质灾害。
Zoumaling tunnel passes through the Fangdoushan anticline where the karst development is strong.
走马岭隧道通过方斗山背斜可溶岩地区，岩溶发育强烈。
Abstract: : the karst is strongly developed in Dazhiping tunnel, where the hydrogeological condition and geological structure is complex, so the construction is difficult.
摘要：大支坪隧道岩溶发育强烈，水文地质条件和地质构造复杂，施工难度大。
The tunnel engineering has always been troubled by the karst issue.
岩溶问题始终是困扰隧道工程界的一个大难题。
It is called "the geological museum" by the geological expert because of complicated hydrology geological condition, especially the karst water in the tunnel.
其因复杂的水文地质条件，被地质专家堪称为“地质博物馆”，尤其是隧道岩溶涌水。
Research purposes: in order to ascertain geology condition of karst water bursting disaster in the course of tunnel caving and give a technique foundation for the work of tunnel geology prediction.
研究目的：明确岩溶山区深埋隧道施工突水灾害形成的地质条件，给隧道施工地质超前预报工作提供技术基础。
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。
As the complexity of the geological conditions, various geological disasters such as fault, rock burst, karst caves and so on in the tunnel excavating will be faced.
由于地质条件的复杂性，隧道工程在开挖过程中面临着断层、溶洞、涌水、涌泥等各种地质灾害。
The suitable grouting parameters for Yuanliangshan tunnel. are verified by analyzing particular karst aquifers within high pressure and rich water zone.
针对圆梁山隧道高压富水区的岩溶水分布特点，确定了合理的注浆范围和注浆参数。
The diversion tunnel section excavated by tunneller is buried deeply, the under ground water level is high, the activities of underground water is lively, and Karst topography is quite developed.
采用掘进机开挖的引水隧洞洞段埋藏较深，地下水位高，地下水活动强烈，岩爆频繁，岩溶较为发育。
Research purposes: it is the first time for China to construct tunnel in karst strata with shield method.
研究目的：岩溶地层中采用盾构法施工在国内尚属首次。
When a tunnel construction passes through the surrounding rock with karst caverns, the displacement change characteristic of rock mass is different with the common tunnel.
隧道穿越既有溶洞岩体施工时，隧道围岩位移变化特性不同于一般隧道。
Since the disaster caused by Karst area inrush during the tunnel construction in Karst area, will result in dramatic damage to vast area, people are increasingly focusing on it in resent time.
岩溶突水灾害在岩溶区隧道施工过程中危害性大，影响范围广泛，近年来开始受到越来越多的重视。
On basis of the analysis result of the water burst mode and water burst mechanism of karst caves tunnel, the prevention and control principles for water gushing and mud gushing are put forward.
根据对岩溶隧道突水、突水机理的分析结果，提出了岩溶隧道突水突泥的防治原则。
In practice, it indicates that the karst rock classification for this tunnel is reasonable, which can be taken as a reference for other similar projects.
实践表明，本工程岩溶围岩分级是合理的，对其他同类工程可提供借鉴。
In accordance with the actual karst excavation, advanced and initial supporting parameters should be adjusted for construction safety of the anchor tunnel.
根据实际开挖所揭露的岩溶状况，需要调整超前支护和初期支护参数，以保证锚洞施工安全。
The plastic zone of the surrounding rock mainly concentrates around the tunnel and the two sides of karst cave while the top and the bottom of karst cave have little plastic zone.
围岩塑性区主要集中在隧道的周围和溶洞的左右侧部，溶洞的顶部和底部处塑性区较少。
Tunnel is a low cost way for crossing river pipeline projects in long-distance, but crossing river cracks are main difficulties in karst areas.
隧道是长输管道工程中一种成本较低的穿跨越形式，但对于岩溶发达地区的大型河流，通江裂缝等地质条件是其主要施工难点。
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