Report from our correspondent on April 21, by in iron 4 bureaus 6 companies bear Duan Xiaojing of mark of B1 of the freeway austral the Huang Qu that build is apart from channel of form of gong of highway tunnel —— be well versed in of official the whole line.
Gong form channel in December 2007 start working, full-length 234 meters, two holes are the smallest be apart from completely it is 5.68 meters. As a result of mouth of a cave paragraph for shallow bury earthy country rock, enclothe only 1.5 meters or so, produce collapse extremely easily, construction difficulty is greater, blow up to control technical demand is higher. To ensure channel is safe, high grade construction, manger department height takes seriously, organized the technology that comprises by officer of total industry, technology, professional technician to tackle key problem leader group, strict craft of each construction work, undertake country rock observation and monitoring are measured strictly, ensured the be well versed in of all fronts. It is reported, be apart from channel to still be in research and development phase in our country completely, it is the way of a development that at present highway tunnel devises, the be well versed in of channel of this gong form, for small was apart from tunnel project construction to accumulate valuable experience completely.Hot Tags: