1) parallel seam
平行煤层
2) flat coal seam
水平煤层
1.
In order to improve the veracity of dimension design of the protective coal pillar,Factors affecting angle parameters of surface movement in flat coal seam mining are analyzed;criterion formulas for calculating such angle parameters are derived by mechanical analysis.
为了提高保护煤柱尺寸设计的准确性,分析了近水平开采地表移动角量参数的影响因素,通过力学分析给出了近水平煤层开采地表移动角量参数的准则表达式,根据大量的实测资料综合分析,利用非线性回归分析方法建立了地表移动角量参数与地质采矿条件之关系,给出了近水平煤层开采地表移动盆地内边界角、移动角和充分采动角的计算公式。
3) horizontal seam
近水平煤层
1.
Aimed at the existing characteristics of the horizontal seam under complicated geological conditions,the method of crosscut exposing coal of control layer,seam pre-pumping,driving while pumping,metal skeleton,depressurizing 5 emissions further complicated geological conditions near the level is pointed out.
针对复杂地质条件近水平煤层的赋存特点,提出了控制层位、煤层预抽、边掘边抽、金属骨架、排放卸压5步复杂地质条件近水平石门揭煤方法;该方法在祁南煤矿南大巷石门揭煤中得到了应用,并取得了良好的效果。
4) horizontal thick coal seam
水平厚煤层
1.
Mechanism of the slope failure of horizontal thick coal seam under the condition of combined mining;
水平厚煤层露井联合开采下边坡破坏机理
5) parallel formation
平行地层
6) non parallel layered soil
非平行层
1.
By means of the in site test and 3 D FEM imitation technology the displacements and bearing capacity of parallel and non parallel layered soil in the finite region are studied respectively for Wuhan Jalefu Square.
建立了三维有限元非平行层地基的力学模型，这一模型被成功地用来分析复杂地基问题。
补充资料：近侧水平线
近侧水平线
皮纹学术语，系手掌属曲面褶线之一。起于拇指与示指之间，向尺侧延伸，终于小鱼际。通常用E表示。
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