北京地铁呼光区间超前小导管注浆施工技术

Construction technology on leading small-conduct pipe injected for Huguang area of Beijing underground

结合工程实例,介绍了超前小导管注浆施工技术,对工程难点进行了分析,提出了必须严格遵循的施工原则,对改性水玻璃浆液的配制及注浆施工工艺进行了阐述,以推广应用该技术。

Combined with specific engineering, it introduces construction technology of leading small-conduct pipe injected and analyzes its difficulty, puts forward construction principle should be obeyed, and illustrates fabrication of modified water-glass and injected process to extend the technology.