破碎岩石 meaning in English

bad rock
fractured limestone
fractured rock
shattered rock

Experiments on breaking rock with high - pressure cavitating water jets
高压空化水射流破碎岩石的试验分析
A testing method for determining the gas permeability of overbroken rocks
破碎岩石气体渗透性的试验测定方法
The geologic condition of side slope is complex . it is composed of soil and intense weathering rock on the surface and slightly weathering rock under the surface . further more , it has many faults , fissuring and weak intercalations
其水电站尾水渠高边坡所处区域地质条件复杂，边坡表面由几米至十几米厚的坡积土和强风化破碎岩石组成，下部是弱风化和微风化岩石组成，且断层、节理和软弱夹层分布广泛。
The assisting mechanism of hammer in dredge haul is to accumulate energy with wire pull , draw inner pole firstly , release by pin framework , acceleratc core piece , strike hammer shell , produce great instantaneous wallop , drag dredge to break op stone immediately , restore with reposition spring , and work again finally
该机构在拖网取样时利用钢缆拉力蓄积能量拉动内部拉杆，并通过销轴机构释放能量加速冲击芯块，撞击壳体产生巨大的瞬时冲击力，拽动拖网破碎岩石，然后使用复位弹簧使机构复位，重新工作。