Hello,
I must put the tower crane base on the tunnel termination block (unreinforced secant piles). On one side of the termination block, there is a about 18 m deep excavation (see the pics), and the distance between the excavation face and the crane base boundary is 4 m. The induced bearing...
I am doing an evaluation of the existing rail steel bridge for drilling rig movement. Because it is required to cross the bridge and do some secant drilling for the shoring wall. The client provides tight spacing/urban environment and no other access to transport the rig. It is a 1968 old steel...
Hi all,
The temporary wall was constructed 2.5 years ago. Due to some reasons, the owner did not proceed with the construction activities. As a contractor, we are asked to do some modification on existing shoring wall for our work. The shoring types are continuous secant pile wall and solider...