Thank You PE. I appreciate your time and the resources you have suggested. I have engaged a PE/CEG who was basically telling me the same thing. He did a site recon modeled the rock using stereo nets and performed a slope stability analysis but at the end of the day he said we would have to start...
I have a contract to build a concrete arch bridge. The thrust blocks for the bridge require excavations up to 45 feet deep. The existing roadway is 20 ft from the corner of the excavation. The material is intensely to moderately weathered metasiltstone. I am looking for a guideline to design an...