1.
Influence of initial in-situ stress on blasting-induced cracking zone in tunnel excavation
初始地应力对隧洞开挖爆生裂隙区的影响研究
2.
Influence of in-situ stress redistribution on proportional radii of blasting-induced cracking zones in tunnel excavation
围岩应力重分布对隧洞爆生裂隙区比例半径的影响
3.
The fracture in studied area can he divided into diagenetic micro-facture, weathering fracture and structural fracture.
研究区的裂缝可以划分为岩微裂隙、风化裂隙和构造裂缝3种类型。
4.
A crack, crevice, or split.
裂缝裂隙、缺口或裂缝
5.
Study on Formation Mechanism of Excavation Disturbed Zone of Hard Fractured Rockmass;
坚硬裂隙岩体开挖扰动区形成机理研究
6.
Experiment Research on the Fractal Law of the Upper Rock's Crack of Goaf
采空区上覆岩体裂隙分形规律的实验研究
7.
Study on lateral boundary of roof water flowing fracture devel opment regularity
采空区顶板导水裂隙侧向边界发育规律研究
8.
DETERMINING THE HEIGHT OF COLLAPSE AND FRACTURE ZONE WATER-TRANSMITTING IN MINED-OUT AREA BY MEANS OF BOREHOLE
利用钻孔确定采空区垮落带和导水裂隙带高度
9.
This characteristic has been shown to be particularly true in limestone areas where cracks and crevices occur.
在有断裂和裂隙的石灰岩区域，这种物性表现得特别清楚。
10.
Tangshan city is the typical karst-cranny developing area in Huabei region which is shallowly covered up.
唐山市是华北地区典型的岩溶裂隙发育浅埋地区。
11.
A preliminary study on the host condition of structural fissure water and exploration method in the northern low hill country,Baicheng area
白城地区北部低山丘陵区构造裂隙水赋存状态及其勘查方法研究
12.
The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed.
论述了高斯曲率法预测煤层天然裂隙发育区的基本原理和方法。
13.
Detection of the Limestone Karst Cracks in Coal Outcrop Area by GPR
利用探地雷达技术探测煤层露头区灰岩岩溶裂隙
14.
The Research of Prediction Technology for Pore Pressure and Fracture Pressure in Talaha Area;
他拉哈地区地层孔隙压力及破裂压力预测技术研究
15.
Testing and Numerical Simulation Primary Study on the Damage Characteristics of Cracked Rock in Cold Region;
寒区裂隙岩石损伤破坏规律试验及数值模拟研究初探
16.
Experiment Study on Anchored Bolt Foundation of Large-Jointed Crevice Rock in Transmission Lines of Qingyuan Regions in Guangdong Province
广东清远地区输电线路大节理裂隙岩体锚杆基础试验研究
17.
A narrow opening, such as a crack or fissure.
裂缝如裂缝或缝隙之类狭窄的裂口
18.
A cranny, hollow, or crevice, as in rock.
裂缝裂痕、中空或裂隙，如在岩石上