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- Negative excavation blasting 负挖爆破
- A time history analysis method for calculating the dynamic stability safety factor of high rock slope under excavation blasting is proposed. 提出一种计算岩质高边坡爆破开挖情况下动力稳定性安全系数的时程分析方法。
- This study plays an important role in guiding the excavation blasting construction of the tunnel project and assuring the safety of ground buildings. 笔者研究成果对指导隧道工程开挖爆破施工和保证地面建筑物安全有重要指导作用。
- Basen on the criteria of the peak particle velocity(PPV) for blast-induced damage,the design approach for excavation blasting near contour of rock slope is discussed. 基于岩石爆破损伤影响范围控制的质点峰值振动速度判据,就临近岩石边坡开挖轮廓面的爆破开挖设计方法进行了探讨。
- Excavation blasting of pile-holes under the foundation of a highrise was carried out by use of short-delay blasting for control of particle vibration velocity. 在高层建筑基础底进行石方控制爆破，采用微差手段进行质点振速控制，成功地完成了基底石方控爆任务。
- Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting. 由于炮孔堵塞不牢和初始自由面利用不充分,井下平巷的掘进开挖爆破仍存在投入大、爆破结果欠理想等问题。
- The experiment about using slim hole and cool explosives to excavate a slope protection layer in excavation blasting is introduced, and excellent effectiveness is achieved. 介绍在边坡保护层开挖爆破中采用小直径低爆速炸药的试验情况及取得的良好效果。
- Quality Control of Cutting Excavation Blasting 平苍段五标路堑爆破工程质量控制
- Excavation Blasting of the Floor Well Stake of a Building 丰盛综合楼井桩开挖爆破
- CUT EXCAVATION BLASTING IN COMPLEX ENVIRONMENTAL CONDITIONS 复杂环境条件下的路堑开挖爆破
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- Implementation of Excavation Blasting for Pipe Trench in Limestone Region 石灰岩地区管沟开挖爆破施工
- The accordion was in full blast in the hall. 在大厅里手风琴拉得非常响亮。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Discussion on safety evaluation of vibration effect by rock excavation blasting 岩土开挖爆破震动效应安全判据的探讨
- Their criticism was not negative. 他们的批评并不是负面的。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- Excavation of the site will begin tomorrow. 明天开始挖掘工作。
- The excavation of the buried city took a long time. 发掘埋在地下的城市花了很长时间。
