With the development of economy and the improvement of science and technology in China, advanced construction technology such as modern seamless rail has gradually become one of the main development directions of rail...
Based on the research on the construction method of laying track in urban rail transit tunnel, this paper summarizes a set of construction method of laying concrete precast slab track bed with trackless equipment, whi...
The leakage of basement structure has always been a big problem in the industry. The leakage point is difficult to find, the repair cost is high, and the later adverse effects are great. Therefore, it is imperative to...
Cable line is the use of cable into the line of electric energy transmission line, and its footprint is less, and do not set up the tower pole, little damage by external force. With high power supply reliability, it i...