Roadway相关论文
在矿井下的开采过程中，大断面巷道变形破坏的影响因素是多种多样的，给巷道支护技术工作带来极大的挑战，安全支护质量要求高，工程难度系......
The main factors that affect infrared surveying in roadway include that property of rock, electromechanical equipments r......
The present study is focused on the roadway support in high-stress composite soft rock. This paper expounds the two main......
On basis of ground stress surveying and analysis of physical nature and mechanics character of rock, the deformation mec......
Analysis of the danger zone liable to spontaneous ignition around coal roadway at fully mechanized l
The intensity of heat output of coal, the rate of oxygen consumption and the influence function of coal size are tested ......
Geological structure and gas expansion when gas pressure was released can affect the distribution of infrared radiation ......
Convergent mechanism of roadway driven along with strong roof of special thick stratum and its contr
The trapezoidal cross-section roadway, driven along with its medium and fine grain sandstone roof in special thick strat......
Given the fact that FRP bolts for roadway support are often under a certain amount of eccentric load,we studied the prob......
Physical modeling of failure process of the excavation in horizontal strata based on IR thermography
In order to capture the mechanism of roadway instability in deep mines, a new approach of Physically Finite Elemental Sl......
Hydraulic support crushed mechanism for the shallow seam mining face under the roadway pillars of ro
While the fully-mechanized longwall mining technology was employed in a shallow seam under a room mining goaf and overla......
The objective of this research was to determine what influence geometric design elements of roadway may have on driver b......
本文通过对荣华二采区10...
In order to study the distribution of lateral floor abutment pressure at a working face,we first used elasticity theory ......
In view of the deficiency of current gas monitoring systems in coal mine roadwayexcavation, a two-level information fus......
Long long ago,a king had a huge stone placed on a roadway and put a purse under the stone.Then he hid himself and watche......
A good acoustic environment is absolutely essential to maintaining a high level satisfaction and moral health among resi......
Heat transfer process of roadway embankments with different type and width of road surface in permaf
The stability of roadbed in permafrost areas has become a big concern with rapid development and construction of through......
Aimed at the low mining efficiency in deep multi-seams because of high crustalstress,high gas content,low permeability,......
在巷道超前探测的方法中,电阻率法由于原理简单、操作方便,有着很好的应用前景。运用三维有限元法对聚焦电流法的超前预报效果进行......
In ancient times,a King had a huge stone placed on a roadway.Then he hid himself and watched to see if anyone would remo......
In ancient times,a king had a boulder1placed on a roadway.Then he hid himself and watched the passers-by.He wondered if ......
为了确保软煤层煤矿的安全生产,通过采用喷碹注浆的支护方法,达到了预期的支护效果,并具有预防煤层火灾、防治有害气体的功能.该方......
Numerical simulation of groundwater under complex karst conditions and the prediction of roadway gus
Numerical simulation of groundwater in karst areas has long been restricted by the difficulty of generalizing the hydrog......
Because of the complexity and variability of the mine underground roadway, roadway is required to be dynamically generat......
“Riding mining” is a form of mining where the working face is located above the roadway and advances parallel to it.Ri......
It is difficult to maintain the roadway around a fault because of the fractured surroundings,complex stress environment,......
A new technology for coal and gas control based on the in situ stress distribution and the roadway l
An auxiliary gas control technology is described that can reduce coal and gas outburst accidents when there is no existi......
Analysis of the danger zone liable to spontaneous ignition around coal roadway at fully mechanized l
The intensity of heat output of coal, the rate of oxygen consumption and the influence function of coal size are tested ......
针对救援通道位置和断面形状选择两个在决策中必然触及的问题,首次在阐明断层破碎带的垮冒空间特征、堆积体堆积特征、堆积体边界......
A new method using high water content material to mechanically fill cross roadways to form artificial bottom for coal ......
Study on mechanical principle of reinforcing sidewalls and corners of roadway to control floor heave
The movement principle of sidewalls and floor of extraction opening is analyzed, it is found that floor heave not only h......
Monitoring and analysis of nonlinear dynamic damage of transport roadway supported by composite hard
The study concentrates mainly on the development of failure process in composite rock mass. By use of acoustic emission......
Determination of rational support parameters of bolting and shotcreting with wire mesh in soft roadw
Based on a great number of measured data, the author put forward zonal com-pressive and tensile deformation mechanism of......
Based on the present problems of the support method of gateways in complex surrounding rock in steeply inclined seams, t......
A similar material model and a numerical simulation were constructed and are described herein.The deformation and failur......
A comprehensive underground monitoring was conducted in a coal mine. The purpose of this research was to clarify the def......
Constructing the 3D virtual scene of a coal mine is the objective requirement for modernizing and processing information......
Numerical modeling for further understanding of roadway junction stability behaviour at deep undergr
The review and numerical analysis had been conducted further understand the deformation and failure beahviour of roadwa......
The mathematical physics model of mine methane and coal dust explosion propagation was established in the research,by u......
Many factors can induce rock burst. Shock energy and shock distance are two key factors affecting rock burst. The 32101 ......
According to the principle of effective stress action of rock and soil, we established a mechanical model of water flood......
Targeting the problem of large amounts of gas emission from the goaf of the No.14201 working face in the Shaqu coal mine......
Based on the features of the serious deformation of coal roadway,many random variables of the mechanics of the surroundi......
The importance of the pre-tensioned force of rock bolts has been recognized by more and more researchers. To investi- ga......
The behavior of stress wave propagation in rock walls and the process of rock bursts were simulated by application tests......
The loading on U-steel yieldable support cannot be organically combined withthe law of strata behaviors from the surrou......
The experiment of gas and coal dust explosion propagation in a single lanewaywas carried out in a large experimental ro......
In view of the measurement difficulties of indexes recommended by the 50Items Experience of Coal Mine Gas Prevention in......
