2) solid-coal roadway
实体煤巷道
1.
In order to calculate the critical value of roof bedding separation,the mechanism of roof bedding separation was analyzed,moreover,the mechanical models of solid-coal roadway and gob-side roadway were built.
为确定锚网煤巷的顶板离层临界值,分析了煤巷顶板离层的发生机理,建立了锚网实体煤巷道和锚网沿空巷道的顶板临界离层的力学模型;在此基础上通过近似和简化,求解了两类锚网煤巷的离层临界值数学表达式。
3) coal body
煤体
1.
Study on deformation and destruction course of coal body under function of pick cutting with digital speckle correlation method;
截齿截割煤体变形破坏过程的散斑测试研究
2.
Technology that coal body note water pressure splits is the new-type technology that different from traditional coal body water flooding and soften technology.
煤体注水压裂技术是有别于传统煤体注水软化技术的新型技术,它改变了以往注水软化技术长孔、低压、稳流的特点,利用高压水所具有的切割、压裂特性,压裂破坏煤体,降低煤体硬度,提高煤炭可放性。
3.
The infrared radiation caused by the deformation and rupture of coal body under external loading is observed.
对受载煤体变形破裂产生的红外辐射信息进行了观测研究 ,结果表明 :煤体在受力过程中其红外辐射温度随其应力状态的改变而发生变化 ,这种变化与煤体的变形破裂过程密切相关 ,这将为认识和揭示煤岩破坏的微观机理、预测、预报地震及矿山煤岩灾害动力现象有指导和参考作
4) coalmass
煤体
1.
Based on the study of rockburst distribution in China,the rockbursts are classified to the coalmass compressible type,roof crack type and fault dislocation type.
在对我国冲击地压分布状况进行研究的基础上,将冲击地压分为煤体压缩型、顶板断裂型和断层错动型等三种基本类型,并分别研究其发生机理,提出了通过煤层注水、卸压爆破、机械振动致生岩体裂隙改变煤体性质防治煤体压缩型冲击地压,通过开采解放层、本层煤解放的高压水射流钻孔割缝、留设煤柱改变顶板运动规律防治顶板断裂型冲击地压,通过限制断层移动防治断层错动型冲击地压等有针对性的治理措施。
5) coal
[英][kəʊl] [美][kol]
煤体
1.
The microscopic identification of coal brittle-ductile deformation;
煤体脆—韧性变形微观识别标志
2.
The application of AFM in study on microstructure of coal;
AFM在煤体微结构研究中的应用
3.
Research and analysis were carried on frequency spectrum characteristics of loaded coal's EME during deformation and fracture process.
对受载煤体变形破裂时电磁辐射(EME)的频谱特征进行了研究分析,研究结果表明,在受载煤体变形破裂过程中电磁辐射的频带很宽,其主频段随载荷的变化而发生变化,在受载初期,电磁辐射的主频带较低,电磁辐射主频带有时呈现先增高而后降低的趋势;在受载后期,电磁辐射的主频带较高,基本上表现为载荷越大,电磁辐射的主频段越高。
6) coal mass
煤体
1.
[1], [2],this paper Puts forward the four main parameters of the Permeability classification for coal masses, that is,the fractal dimension of the cracks in coal masses(D),the number of the cracks in one meter's characteristic scale(N), the conducting water coefficient of coal samples (T) and its Porousness (η); and founds the mathematical pattern of the complex judgement by fuzzy sets.
提出了进行煤体渗流特性分类的四个主要指标，即煤体裂隙分布的分形维数Ｄ、特征尺度Ｌ＝１ｍ的裂隙条数Ｎ、煤样导水系数Ｔ和煤的孔隙率η等；建立了煤体渗流特性模糊数学综合评价的数学模型；根据煤层注水工程应用的实际情况。
2.
Based on the statistical analysis to the macro and micro cracks in the samples of the different metamorphosed coal seams from eleven mines,this paper comes to the conclusion that there are generally eight kinds of the basic crack network patterns in coal mass and that the others are their mutual combination.
本文通过对十一个矿不同变质程度的主采煤层样品的宏观裂隙、微观裂隙的观测统计分析，得出了煤体中普遍存在的８种裂隙基本形式及其不同组合而形成的裂隙渗流网络，以及这些网络形式在不同变质程度煤体中的分布规律，并据此建立煤体裂隙渗流模型。
补充资料：标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
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