本文介绍宽孔距微差挤压爆破技术在城市路堑开挖中的应用。
This paper introduces the technique of millisecond extruding blasting with wide hole space in city cutting excavation.
中深孔爆破广泛地应用于公路路堑开挖、机场整平等基础建设中。
Medium-length blasting is widely applied to the basis construction, such as the cutting excavation of the highway and the land leveling of the construction of airport.
路堑开挖岩体在炸药爆炸能量和介质中潜在位能的共同作用下得到充分破碎；
Under the combined effect of explosion energy provided by explosive and the latent positional energy in medium, the rock masse of road cutting is adequately broken up.
在公路建设中，路堑开挖施工组织是否合理、施工质量如何，将影响施工进度和边坡的稳定。
In the construction of highway, the construction organization of through cut and the construction quality will influence the construction schedule and slope stability.
路堑开挖除对边坡坡率以及路肩标高、宽度进行控制外，还要对基床填料及压实度进行严格控制。
When dig high cutting, except the control of side slope Angle and shoulder (road) 's elevation, width. We also should control roadbed's filling and press degree.
在路堑开挖石方施工中，采用挤压爆破技术及强行拉槽双向挤压爆破技术控制爆破飞石，爆破块度及震动。
This paper discusses the control of flying rocks, lump size and vibration of extruding blasting in cutting excavation.
在开挖公路路堑的爆破工程中，必须确保路堑边坡的稳定与平整。
In the blasting engineering of highway excavation, the slope stability and flat-ness must be sure.
把层状复合岩体爆破损伤的研究成果运用到路堑边坡爆破开挖工程实践中，优化了爆破设计方案，取得了较好的经济、安全和社会效益。
The research results were used in cutting slope blasting excavating engineering, which makes blasting design project optimize and improve economy, social and safe benefits.
高速公路路堑爆破开挖工程具有开挖高度变化大、开挖断面小、开挖轮廓要求严、特别是边坡质量要求高等特点。
Cutting excavation blasting in expressway construction is characterized by a wide range of excavation height, small excavation section and high quality requirements.
通过大范围自然冲沟、人工取土场、道路开挖边坡和路堑的野外观察，新发现临潼-长安断裂露头40余处。
By the field survey to the natural gullies, the earth fetching areas, and the excavated slope and chasm for road foundation, we discovered 40 outcrops of the Lintong-Chang'an Fault.
在公路路堑切槽开挖硐室控制大爆破中，采用较大不耦合比较进行松动控制爆破。
Bigger uncoupling is adopted to realize loose controlled blasting in the excavation of chasm notch blasting.
待开挖的路堑临近大型变电站，路堑上空有80余条高压线，地下有多处输水管与路堑交叉。
The cut to be excavated lies close to a large-scale transformer station. There are high voltage wires of more than 80 over the cut and several underground water pipes crossing with the cut.
待开挖的路堑临近大型变电站，路堑上空有80余条高压线，地下有多处输水管与路堑交叉。
The cut to be excavated lies close to a large-scale transformer station. There are high voltage wires of more than 80 over the cut and several underground water pipes crossing with the cut.
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