section for specific problems 中文意思是什麼
section for specific problems
解釋
特定問題科-
Based on the engineering practice of the side slope excavation of dayanchi section within the road for the construction traffic of guandi hydropower station, the problems such as the selection of blasthole distance for presplit blasting, and the rock ridge, the levelness of the presplit face, lower hole - making rate of the auxiliary blastholes after the presplit blasting, the blasting network for prespliting and blasting zone and the angle change of the presplit hole etc. are analyzed ; for which the specific solutions are put forward herein as well
摘要通過官地水電站對外交通公路大鹽池合同段邊坡開挖中預裂爆破的工程實踐,對預裂爆破的孔距選擇及下部嚴重出現巖坎、預裂面平整度、預裂爆破后輔助孔成孔率低、預裂與爆破區爆破網路以及預裂孔角度變化等問題進行分析,提出了具體的解決方法。
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