soft-rock excavation 中文意思是什麼
soft-rock excavation
解釋
軟石開挖- soft : adj 1 軟的，柔軟的 （opp hard tough）; 柔滑的（皮膚，毛發等）；悅耳的，好聽的，柔和的（聲音等）；...
- rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
- excavation : n. 1. 開鑿；發掘；挖掘；挖土，剜通。2. 穴，洞；坑道，開鑿成的山路。3. 【考古】出土文物，發掘物。
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Based on the theory of detonation dynamics and fracture mechanics and combined with engineering experiences, the parameters of soft rock tunnel hole charge and smooth blasting are analysized to enhance tunnel excavation proficiency in soft rock and smooth blasting. value scope of smooth blasting is acquired, which can give some experience for parameters design and construction of smooth blasting in soft rock tunnel excavation
摘要為提高軟巖巷道掘進效率和光爆效果，利用爆轟動力學和斷裂力學理論，分析了軟巖巷道掏槽及光爆參數，結合工程實踐經驗，得出了軟巖巷道光面爆破參數的取值范圍，對軟巖巷道爆破參數的設計和施工具有一定的指導意義。 -
This paper expounds the harms of the tunnel collapse, analyzes on the reasons of the collapse that occurs in the excavation and construction of the soft wall rock, and advances some measures that should be adopted in the construction of soft wall rock from aspects of the excavation, support, improvement, and reinforcement, etc
闡述了隧道坍塌的危害性，分析了在軟弱圍巖中開挖及施工中坍塌的原因，從開挖、支護、改良、加固等方面，提出了軟弱圍巖施工中應採取的措施和方法。 -
As far as the soft clayey rock, widely distributed in guangdong, is concerned, it will swell after unloaded and soften during immersion. its strength decreases with time after excavation. as a result, the slopes probably lose their stability in a long time, and in deed there are some failure cases reported in engineering
但對于在廣東頗具代表性的風化泥質軟巖，因開挖外露而導致的浸水軟化和卸荷膨脹，會致使邊坡巖土長期強度的減損，使得按巖土天然強度指標設計的邊坡的長期穩定性無法保障，也造成了一些工程事故。 -
Explosion excavation of soft rock dam stuff and experimental research for yutiao facing dam
魚跳面板壩軟巖壩料爆破開采與試驗研究 -
Numerical analysis of the supports of soft rock excavation
軟巖巷道開挖支護數值分析
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