periodic weighting

基本解释

• 周期来压

英汉例句

双语例句

• Cantilever beam of key strata breaks and caves into blocks, which is periodic weighting of mining face.
  关键层悬臂梁破断垮落成承压砌块，其垮落及沿架后切落，形成工作面周期来压。
• The fracture of overlying key stratum results in decrease of the roof caving angle and the increase of periodic caving span and weighting intensity.
  覆岩关键层的破断使工作面顶板垮落角减小、周期垮落步距和来压强度都增大。
• Periodic weighting was analysed by the bearing wedge model, simultaneity, the mechanics of first weighting and periodic weighting were expounded.
  利用承压砌块模型分析了周期来压过程，并给出了初次来压和周期来压机理。

• periodic weighting更多例句

词组短语

短语

• periodic roof weighting 周期来压
• periodic weighting length 周期来压步距

• periodic weighting更多词组

专业释义

能源科学技术

• 周期来压

  The main roof can form suspension roof. The periodic weighting pace is 16.9-10m, and the average pace is 13.7m. The dynamic load factor is 1.4.
  通过现场实测,分析得出了边角煤工作面矿压显现和顶板运动规律,工作面顶煤与直接顶的初次垮落步距为12.1m,老顶的初次来压步距为36.9m,动载系数为1.46,老顶能够形成悬顶结构,周期来压步距为16.9～10m,平均13.7m,动载系数为1.4,老顶来压较明显。