冲击岩

高压射流冲击破岩是一个复杂的非线性问题。

High pressure water jet rock breaking process is a complex non-linear one .

根据流固耦合理论，建立了超高压水射流冲击破岩系统的数值分析理论模型。

A numerical analyzing model high pressure water jets impinging on rock is established according to fluid-structure interaction theory .

研究了有、无围压作用对粒子冲击破岩的影响，进而探讨了不同材料模型在模拟粒子破岩过程的差异。

Analysis of rock breaking for particle impacting with / without confining pressure was studied . The influence of different material model on rock breaking effect for particle impacting was discussed .

数值模拟的结果和前人研究的单一静载荷或冲击破岩试验成果基本一致，从而验证了数值模拟的可靠性。

Numerical simulation results are basically the same to the results of the former research of rock fragmentation under the single static load and the impact load . And it also proves the reliability of numerical simulation .

目的是描述物探钻头冲击破岩过程，进一步确定合理的钻头结构参数和钻井技术参数；（4）潜孔钻头牙齿受力分析和边齿倾角设计。

The aim is to describe rock fragmentation process and to confirm reasonable structure parameter of bit and drilling technical parameter more . ( 4 ) The mechanics analysis and marginal button obliquity design on the button of physics exploration bit .

冲击回转碎岩机理试验研究

Research on the Percussive Rotary Rock Fragmentation Mechanism

介绍了液压冲击型破岩机的原理、结构及其应用。

The paper introduces the operating principle , structure and application of hydraulic impact breaker .

冲击地压、岩爆、矿震的关系及其数值模拟研究

Study on the relations among coal bump , rockburst and mining tremor with numerical simulation

液压冲击型破岩机探讨

Making an Approach to Hydraulic Impact Breaker

在冲击波下非线性岩土与圆柱结构的相互作用

Interaction between nonlinear soil and cylindrical structure due to shock wave

潜孔冲击器钻进是岩土钻掘工程中的一种高效钻进方法。

Drilling with DTH can achieve high efficiency in rock and soil drilling engineering .

依据系统研究观点，通过分析研究得出煤岩系统的冲击倾向是煤岩系统自身多项物理力学性质的综合体现，是各种因素共同作用的结果。

According to the concept of systematic study , the impact trend of rock and coal system is the reflection of many physical and mechanic characters it has , and is the result of joint effect of many factors .

冲击钻机是一种采用连杆机构或卷扬机带动钢丝绳提升冲击钻具，利用冲击钻具下落的动能产生冲击作用，破碎岩土实现钻进的工程钻机。

Percussive drilling is used to impact rock and soil with the kinetic energy by the falling of percussive bit , which is lifted by a cable driven by a linkage or a hoist .