The application of controlled blasting technology in road cutting under complicated environment in one Railway is introduced.
结合某铁路建设的工程实例，介绍了控制爆破技术在复杂环境下进行路堑开挖中的应用。
Study of regularity of variation of water content in shallow layer of soil road cutting slopes in seasonally frozen-ground region;
冻胀形成的纵向裂缝和道路翻浆导致的沉陷鼓包及车辙变形是季节冻土区高速公路路基冻害的主要形式。
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.
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；
The city tunnels play a positive part in reducing the ground of city road, cutting vehicle mileage, and leading city traffic.
城市隧道对减少城市道路用地、缩短行车里程、疏导城市交通起到积极的作用。
The city tunnels play a positive part in reducing the ground of city road, cutting vehicle mileage, and leading city traffic.
城市隧道对减少城市道路用地、缩短行车里程、疏导城市交通起到积极的作用。
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