1) distressed zone
卸压区
1.
Therefore, it is very important to look for the distressed zone's length and it's stress distribution in order to prevent the outburst.
在急倾斜煤层矿井中,上山掘进时突出频繁发生,因此,找出可以防止突出的卸压区长度及其应力分布有着重要的意义。
2.
In order to study the factors such as geostress on effect of pressure relief by drill in coal-bed,the distressed zone and stress around drills are analyzed in theory,the analytic solution of distressed zone under axial symmetry is achieved by plasto elasticity;and then,the factors affecting distressed zone are discussed and simulated by RFPA2D respectively.
为了研究地应力等因素对煤层钻孔卸压效果的影响,首先从理论上分析了钻孔周围的应力和卸压区范围,利用弹塑性力学理论得到了轴对称情况下卸压区半径的解析解,然后讨论了影响卸压区范围的地应力等各种因素并利用RFPA2D分别进行了数值分析。
2) stress-relaxation zone
卸压区
1.
Experiment is designed to research mucus infiltration rule in stress-relaxation zone.
针对目前浅孔抽放中粘液在卸压区煤体内渗透规律模糊不清,注液量没有明确量化标准的情况下建立了相关实验系统。
3) width of pressure released zone
卸压区宽度
4) pressure relief
卸压
1.
Combining the maintenance principle of pressure relief and support,the principle of pressure–relief support is interpreted with the consideration of wall rock creeping and pressure relief.
根据凤凰山煤矿现场实际,分析了以往巷道支护破坏原因,结合卸压和支护的维护原则,阐述围岩蠕变卸压支护方式的原理及卸压支护参数的确定,成功地在2322工作面上回风巷进行沿空掘巷卸压支护。
2.
Based on theories of the elasticity, rock mechanics, damage mechanics, seepage mechanics and ect, using theory analysis, similar simulation test, numerical Simulation, field application, the paper studies on pressure relief characteristic, move deformation, fracture developmentand seep characteristic of underlying coal-roc.
本文利用弹性力学、岩体力学、损伤力学和渗流力学等相关理论,通过理论分析、相似模拟试验、数值模拟和现场试验等研究手段,系统研究上保护层开采后下伏煤岩体的卸压特征、移动变形、裂隙发育、渗流特征、下被保护层瓦斯流动规律及煤层卸压瓦斯抽采方法,其研究成果对煤与瓦斯突出矿井安全生产及煤矿的可持续发展具有重要的意义。
3.
In certain altitude range, pressure relief effect happens on the coal-rock masses in the“three zones”, which makes a good and active effect to the gas control of outburst coal seams.
在工作面采动影响下,采场围岩应力重新分布,上覆岩层垮落后形成垮落带、断裂带及弯曲带,在一定高度范围内,处于“三带”内的煤层能够获得卸压效应,这对上覆煤岩体内突出煤层的瓦斯治理可以起到积极的作用。
5) pressure release
卸压
1.
Application of well washing technology without pressure release in high pressure water injection well;
高压注水井不卸压洗井技术的应用
6) stress-relieve
卸压
1.
Taking tashan Mine as a example,according to the analysis based on the Characteristics of the Cracks in Stopes,experimental research of stress-relieve gas drainage is worried about.
以塔山矿为例,在采场裂隙特征分析基础上,实施采场卸压瓦斯抽放试验。
补充资料：激光扫描微区光电压谱
分子式：
CAS号：
性质：通过激光光点在半导体电极表面作二维逐点扫描，记录扫描过程中各点光电流或光电压变化的技术。
CAS号：
性质：通过激光光点在半导体电极表面作二维逐点扫描，记录扫描过程中各点光电流或光电压变化的技术。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条