硬岩

GCF－1500型冲击反循环钻机在桩孔硬岩中的钻进效果

GCF-1500 Percussive-Rotary Reverse Circulation Drill Are Used for Drilling Hard Rock Pile Hole

对某硬岩铀矿石进行了10m高柱浸出条件试验，以便为原地破碎浸出采铀的工业性试验方案和施工设计提供参考和依据。

In order to provide a reference for commercial experiment on stope leaching in a certain hard rock uranium deposit , conditional experiments were done in a column of 10m height .

岩碴观测对硬岩TBM施工的指导意义

Significance of rock debris observation to TBM construction in hard rock

适用于硬岩的PDC全面钻头特点分析

Analysis of characteristics of PDC rock bits applied to the hard rock

深部硬岩岩爆预测的FDA模型及其应用非造山运动深成岩体

Fisher discriminant analysis model of rock burst prediction and its application in deep hard rock engineering

开敞式TBM在铁路长隧道特硬岩、软岩地层的施工技术

Construction technique of open TBM for long railway tunnels in very hard or soft rock strata

硬岩机掘月进200m施工技术的应用

Application on the construction technology of machine driving to the hard rock for 200m every month

结果表明：在硬岩破碎中，PDC刀具的破坏模式主要是轴向崩裂、冲击压碎和径向崩裂3种；

Experimental results show that main damage patterns of PDC cutters are axial cracks , impact crushes and radial cracks .

敞开式TBM对中硬岩有着较好的适应性，如何提高机时利用率和加快掘进速度，是体现敞开式硬岩掘进机发挥自身优势的关键。

The key point of exercising its supremacy is how to let open-type hard rock TBM improve its instant utilibility and accelerate tunnelling speed .

硬岩掘进机（TBM）是实现隧道掘进作业机械化、自动化的重大技术装备，液压技术在其上得到广泛应用。

TBM is a key technical equipment to achieve mechanization and automation in tunnel driving construction , hydraulic technology was widely used in the equipment .

要想PDC取心钻头在钻进硬岩上取得象钻软～中硬岩层那样的效果，有待于我们进行进一步开发。

We must develop the PDC coring bits technology exteriorly if we want to achieve that kind of drilling results in hard rock such as in soft-medium hard rock .

采用大直径滚刀是大断面硬岩TBM的发展方向。

The actual case demonstrates that the application of large diameter disc cutter to TBM is the development trend of the TBM for tunneling in hard rock with large cross section .

全断面硬岩隧道掘进机（TBM）在长距离、大埋深硬岩掘进环境下会受到地应力的影响，导致岩石破碎机理发生变化，进而造成破岩效率低下及冲击载荷大的工程问题。

In long-distance , large-depth of hard rock tunneling project condition , the affection of crustal stress to TBM causes rock-fragmentation mechanism change and thereby leads to engineering problems like inefficiency rock-breaking and large impact load .

TB880E掘进机是根据秦岭隧道的修建条件而从德国WIRTH公司订购的全断面硬岩掘进机。

TB880E hard rock TBM was imported from WIRTH Company of Germany according to the construction condition of Qinling tunnel .

盾构机在长距离硬岩中掘进的探讨

Exploration on Tunnelling by Shield Machine in Long-distance Hard Rock Area

深井硬岩岩爆倾向性评价

Evaluation of Rock burst Proneness in a Deep Hard Rock Mine

硬岩大跨地下洞室的修建技术

Construction Technique of Underground Cavern with Big Span in Hard Rock

硬岩掘进机截齿与齿座的有限元分析

Finite element analysis of pick and holder on hard rock roadheader

中深孔爆破在硬岩施工中的应用研究

Application Research on Medium-length Hole Blasting in Hard Rock Drift Excavation

如果剥离物是硬岩，怎么办呢？

What can be done if the overburden is hard rock ?

硬岩特长隧道快速爆破掘进技术研究与实践

The Quick Tunnelling Technology for the Longest Tunnel in Hard Rock

硬岩中爆炸冲击波衰减规律的数值模拟

Numerical simulation of propagation and attenuation of blasting wave in rocks

深部硬岩开采的岩石力学问题及其分析方法

Hard Rock Mechanics Problems in Deep Mining and Their Aanalysis Methods

立井延深中硬岩爆破参数的优化设计

Optimum design of middle hard rock blast parameters during shaft extending

反井钻井技术在硬岩中的应用

Application of Drilling Technology with Raise-boring Machine to Hard Rock Drilling

硬岩中地下爆炸的自由场位移衰减规律

The free - field displacement of underground explosion in hard rock

硬岩钻进用仿生耦合金刚石取心钻头研究

Research on Bionic Coupling Diamond Coring Bits in Drilling Hard Rock

硬岩隧道快速掘进的钻爆技术

Drilling-and-blasting technology for rapid excavation of hard - rock tunnels

一种用于硬岩爆炸测量的压电应力传感器

A piezoelectric stress transducer used for explosion in hard rock

硬岩矿床深井开采岩爆预防措施

Count-measures of Rock Burst under the Condition of Hard Ore Deep Mining