Stability of Excavations in Karst for Deep Underground Stations of Lines 1 and 2 of Riyadh Metro Project

Stability of Excavations in Karst for Deep Underground Stations of Lines 1 and 2 of Riyadh Metro Project Geology of Riyadh area comprises surficial soils over a sequence of sedimentary rocks, bedded Limestone and Limestone breccia. Construction of deep underground stations was carried out in vertical excavations which required support in soils, completely weathered rock […]