The main project construction mainly involves rock excavation, borehole blasting, anchor-shotcrete support, etc. The optimal construction plan is selected according to the conditions of the tunnel.
The main construction mainly includes the rock excavation, drilling blasting, anchor spray support, etc., according to the conditions of the tunnel to choose the best construction plan.
The construction of the main works mainly includes rock excavation, borehole blasting, bolting and shotcreting support, etc. the optimal construction scheme is selected according to the conditions of the tunnel.<br>