periodic weighting
基本解釋
- 周期來壓
英漢例句
- Cantilever beam of key strata breaks and caves into blocks, which is periodic weighting of mining face.
關(guān)鍵層懸臂梁破斷垮落成承壓砌塊,其垮落及沿架后切落,形成工作面周期來壓。 - The fracture of overlying key stratum results in decrease of the roof caving angle and the increase of periodic caving span and weighting intensity.
覆巖關(guān)鍵層的破斷使工作面頂板垮落角減小、周期垮落步距和來壓強(qiáng)度都增大。 - Periodic weighting was analysed by the bearing wedge model, simultaneity, the mechanics of first weighting and periodic weighting were expounded.
利用承壓砌塊模型分析了周期來壓過程,并給出了初次來壓和周期來壓機(jī)理。
雙語例句
專業(yè)釋義
- 周期來壓
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.
通過現(xiàn)場實測,分析得出了邊角煤工作面礦壓顯現(xiàn)和頂板運(yùn)動規(guī)律,工作面頂煤與直接頂?shù)某醮慰迓洳骄酁?2.1m,老頂?shù)某醮蝸韷翰骄酁?6.9m,動載系數(shù)為1.46,老頂能夠形成懸頂結(jié)構(gòu),周期來壓步距為16.9~10m,平均13.7m,動載系數(shù)為1.4,老頂來壓較明顯。