Design and Principle of Fissure Spring Gas Collecting Device Used at Hanzhong Seismic Station

Application of Neural Network Expert System to Bedrock Fissure Water Prospecting

基岩裂隙水神经网络专家系统实例研究

Bedrock fissure water is one the groundwater types, distributed widely in China.

基岩裂隙水是我国分布最为广泛的地下水类型之一。

Seepage features of fissure water in original rock and practical case study

基岩裂隙水渗流特性探讨与工程实例

Fixed small Mn electrical sounding and exploration of karst fissure water

固定小MN电测深与岩溶裂隙水的探测

Expert system of bed rock fissure water prospecting and exploitation

基岩裂隙水寻找与开发的专家系统建立

The Fault-fracture network is the main space of accumulating karst-fissure water limestone of Weibei coalfield.

破裂构造网络是渭北煤田奥灰岩溶裂隙水赋存的主要空间.

Influence of vertical fault fissure on site ground motion

竖向断裂缝对场地地震动的影响分析

The fault fissure is very common in the engineering site and it is necessary to understand the ground motion of the site with ground fissure.

断裂缝在工程场地十分常见，研究其对场地地震动的影响很有必要。

This paper discusses the hydrocarbon conduit systems such as fault and structural fissure, unconformity and paleo-weathering crust, Ordovician vug and fracture as well as interconnected sand body in light of Tahe oilfield and its regional geological situations.

根据塔河油田及其区域地质情况，论述了断层及构造裂隙，不整合面和古风化壳，奥陶系孔、洞、缝和连通砂体四类输导系统。

Based on the measured ground stress data, a 3D non-linear finite element back analysis numerical model for ground stress is set up and the fault and fissure concentrated zone is simulated.

结合实测地应力资料，建立了三维非线性有限元地应力反演分析数值模型，模拟了断层及裂隙密集带。

The active fault and ground fissure problem in highway engineering has great negative influence on highway infrastructure construction, project investment and processing safety in western region.

西部地区公路工程建设中的活断层和地裂缝问题已经成为严重影响公路交通基础设施建设、工程投资和运营安全的重大问题。

Gold mineralization in Jinchang gold deposit is divided into fracture alteration type, fissure filling type and cryptoexplosion breccia type.

金厂金矿金矿化分为构造蚀变岩型、裂隙充填型、隐爆角砾岩型。

Shiqiaopu mine district of Shadong county is the hydrothermal fissure filling type lead-zinc-uranium ore deposit of granite.

邵东县石桥铺矿区为花岗岩热液裂隙充填型铅锌、铀矿床。

Tectonic effects, when the rock in the fractured reservoir water in the atmosphere or rain soaked, under the influence of fluctuations, the shear strength of fissure filling material dramatically reduced, rock will be unstable. 2.

地质构造影响，当岩体中的节理裂隙在大气降雨或者库水浸泡、涨落的影响下，裂隙充填物的抗剪强度急剧降低，岩体将失稳。

Results Pit and fissure filling has effectively prevented the further development of caries. In test group no case developed intermediate caries from superficial caries. On the other hand the proportion of the intermediate caries in control group was 32.94%.

结果随访1年发现，实验组无1例发展为中龋，而对照组有28颗（32.94%）发展为中龋。

The influence of fissure filling was considered in the interface model to simulate the opening increase of cracks.

在接触面模型中考虑裂缝填充物的影响，模拟填充物引起的裂缝开度逐年递增；

Finally, some problems needed for further study are put forward, including the regularity of fissure deformation and fracture under shear loads, the influences of shear loads on fissure permeability under different normal loads, constitutive relationship of fissured rock mass, etc.

指出了需要进一步研究的问题：剪切荷载作用下裂隙变形和破坏规律；不同法向荷载作用下剪切荷载对裂隙渗透性的影响；

Rock mass is discontinuous because of the movement and development of the crust. The joint, fissure, fault fracture are the typical modes of this discontinuation.

岩体介质由于地壳的不断运动、发展，呈现出显著的不连续性，存在大量的节理、裂隙等不连续界面。

Through grouting experiments in a single fissure and fracture networks, the basic law controlling the grouting seepage through rock mass is analyzed, and the factors which may affect the process are also discussed.

通过单一裂隙岩体和裂隙网络岩体注浆渗流模拟实验，分析和总结了裂隙岩体注浆渗流中的一般规律，并讨论了影响注浆渗流工程的各种因素。

The mechanical property of N80 steel has increased obviously after adding corrosion inhibitor, where the ductility of N80 steel increased, and crack fissure of fracture surface decrease.

添加缓蚀剂后使N80试样的韧性有明显的增加，断口裂纹缝隙明显减小，力学性能有了明显的提高。