Trenchless technology has been around for 100 years. As the economy grows, people understand its superiority. As a result, many large and medium-sized cities in China Many countries have adopted this technology. So this paper provides a brief overview of its role and technical applications Equipment used for trenchless technology: various types of geotechnical drilling...Read More

▲ Number of probe holes The number of exploratory holes depends on the stratigraphic conditions at the planned crossing site and trenchless horizontal directional drilling length of the crossing. If the crossing length is 300 m (1000 FT), one borehole on each side of the crossing site is sufficient, and if the borehole results indicate...Read More

●Roads Heavy equipment is required on both sides of the construction site. In order to reduce costs, roads leading to both sides of the construction site should use existing roads as much as possible to reduce the distance of new roads, or use the construction right-of-way of the pipeline line, and all relevant agreements for...Read More