【摘要】 地层冻结技术起源很早 ,作为一项成熟技术国外已广泛应用于地铁建设中 ,国内近几年开始在地铁建设中进行了该技术的应用和研究。阐明了地层冻结技术的原理、工艺及其关键技术 ,同时利用国内外 2个工程应用实例 ,证明冻结技术在地铁建设中的可靠性和有效性更多还原

【Abstract】 Ground freezing technique originated long ago. As a ripe technique, it has been extensively used in subway construction abroad. In recent years, China began to use this technique in subway and conducted a series of research on it. The paper describes its principle, technology and key technical points, and proves its reliability and effectiveness in subway construction by two examples.更多还原