【摘要】 本文论述了集中药包及条形药包对岩石爆破破碎机理，提出了钢筋混凝土面板堆石坝坝料开采中综合控制硐室爆破的设计方法，并经工程实践证明效果显著。更多还原

【Abstract】 In this paper,the mechanism of rock fracture at the blast of point and line charge is described.The method of comprehensive control of chamber blast in quarry of rockfill dam is presented.The in-dustrial test is carried out, and the economic benefit is very excellent.更多还原