Views:3 Author:Site Editor Publish Time: 2020-06-17 Origin:Site
Trenchless steering technology
Non-excavation and steering technology refers to the laying, replacement and replacement of a small part of the surface of the ground by means of steering, directional instrument, probe work, etc. (generally refers to small area entrance and exit excavation). New construction technology for repairing various underground pipelines.
Trenchless steering technology has little disturbance to the surface, so it has a high socio-economic effect. Mainly include horizontal directional drilling guide instrument, probe orientation, micro tunnel, tube burst, impact and other technical methods. Domestic probes play an indispensable guiding tool. This technology originated in the 1970s and was introduced to China in the 1990s. It is widely used in the construction of new pipelines and the repair of old pipelines in the fields of water supply, drainage, electricity, communications, gas, etc. It can also be applied to the protection of cultural relics and ancient buildings.