北京地铁光华路站超长大管棚施工技术

以北京地铁光华路站隧道超长大管棚施工为例,介绍了长达110m超大管棚的施工流程及工艺。明确了“有线仪器定向,一次性跟管钻进工法”是一项可有效控制管棚超长的施工偏差、控制地表沉降及隆起的有效工法。

Construction Techniques of the Ultra Long and Large Pipe Shed of the Guanghualu Road Station of Beijing Metro

With the example of construction of the ultra long and large pipe shed of the Guanghualu Road Station tunnel of Beijing Metro,the author introduces the construction flow and methods of this 110 meters long ultra large pipe shed.He proves that the wired device orientation and single-time follow-pipe drilling method is an effective construction method to control construction deviation of ultra long and large pipe shed,ground surface sedimentation and swelling.