soil cave

The formation mechanism of cave and soil cave has been analyzed .

对溶洞和土洞的发育机制进行了分析。

Application of ANSYS to early warning of soil cave evolution

ANSYS在土洞演化预警中的应用

Talk about Soil Cave Treatment of Karst Region from Engineering Examples

从工程实例谈岩溶地区土洞的处理

Stability analysis of soil cave foundation in karst area

岩溶区土洞地基稳定性分析

Effect on Foundation Deformation by Soil Cave in Karst Ground

喀斯特地基中土洞对地基变形的影响

The vaccum sucking will be helpful for soil cave development .

真空吸蚀作用，有利于土洞的发育扩大。

Applied gravel pile and grouting to treatment of the weak foundation soil cave in Karst Areas

碎石桩和注浆法处理岩溶地区软弱地基中的土洞

Being soil cave , the entrance section of Fuxi-Jinxin tunnel is the difficulty area in construction .

凫溪&金溪隧洞进口段的洞口段为土洞，是施工中的难点。

Cave , soil cave and the collapse caused by them have been paid more and more attention in Karst region .

岩溶区的溶洞、土洞及其产生的塌陷越来越受到人们的关注。

Research methods : Based on the elastic and plastic theory , the stress distribution of soil cave in foundation can be deduced in karst region .

研究方法：根据弹塑性理论，推求得到岩溶地基中土洞周边土体的应力状态。

The action of seepage erosion and disintegration produced by groundwater are important causation of the formation and development of soil cave .

地下水（地表水）产生的渗透潜蚀作用、崩解作用等是土洞形成和发展的重要原因。

Study on Stability of Soil Cave Roof at Thick-covered Karst Zone in the Yinde Section of Passenger Dedicated Railway from Wuhan to Guangzhou

武广客运专线英德段厚覆盖型岩溶区土洞顶板稳定性研究

The plane shape of soil cave should be taken into account in using ' collapse balance method ' , in the meantime , the cohesion c should not be neglected .

运用坍塌平衡法计算，应考虑土洞平面形状的影响，同时土层的内聚力c不能被忽略；

The stress distribution around the soil cave will changed due to variation of groundwater level , then the soil mass around the cave may plastically fail and the soil cave may enlarge or collapse .

地下水位的变化，将使土洞周围土体的应力状态发生改变，并有可能导致土洞周围土体产生塑性破坏，使土洞进一步扩大甚至塌陷。

The soil cave construction technique regards the soil slope support , reinforcing the mouth of the cave and steel arch frame belt , grouting & mesh combined support in the cave as a organic whole .

土洞施工技术把土边坡支护、洞口加固、洞内钢拱架锚喷网联合支护视为一个有机整体。

In the investigation of geotechnical engineering in Guilin karst region , the influence factors of scale , dimension , shape , filling , groundwater of cave and soil cave should be taken into account in the appraisal of ground stability .

在桂林岩溶区的岩土工程勘察中，地基稳定性评价应注意考虑溶洞或土洞的规模尺寸、形态、洞内充填物、地下水等因素的影响；

Northeast and southwest are mainly the melting groove on surface and a small amount of funnel with no growth . The central part is mainly the dissolves funnel , soil cave and sinkholes , which are in large scale , bead-like and well developed . 4 .

其表现为北东侧和南西侧以地表溶沟和少量漏斗等为主，不发育；场区中部表现为岩溶漏斗、土洞和落水洞等岩溶塌陷数量多，呈串珠状，规模较大，很发育。

Groundwater is related to human environment such as rock and soil slope , cave , reservoir , dam , oil and ores mining , environment estimation , groundwater development , plant growing and so on .

岩土边坡、地下洞室、大型水库、拦河大坝、石油开采、矿石开挖以及环境污染评价、地下水开发、植物生长等众多人类活动均与地下水有关。

If you take into account Florida 's landscape , it has got a lot of that very porous limestone that allows the rain , the acidic rain to sort of percolate down into the soil forming this cave like sinkholes here .

如果你考虑到佛罗里达的景观，已经有很多，有非常多孔石灰岩，这样雨，酸性雨水浸透深入到土壤中，形成就像天坑这种坑洞。

A case history of soil ( karst ) cave foundation treament

土（溶）洞地区施工地基处理

From elastic and plastic theories the stress state of soil body around of soil cave can be obtained and then deformed settlement at any point in foundation deduced .

根据弹塑性理论，可求出土洞周围土体的应力状态，继而推求出地基中任一点的变形沉降。