What is QA QC Civil Engineer interview Questions?
What's the function of packing accoutrements in the joint of concrete pipes in pipe jacking? Quilting accoutrements are about 10 mm to 20 mm thick and are typically made of plywood, fibreboard or other accoutrements . In case packing accoutrements are absent in pipe joints for pipe jacking, also any deviation in the joints reduces the contact area of the concrete and it leads to spalling of joints due to high stresses convinced. With the insertion of quilting material inside the pipe joints, the permissible deviation without damaging the joint during the pipe jacking process can be increased. Cad drawing of stair case For drained recovery, what's the significance of smear zone convinced by installation of band rainspouts? During installation of band rainspouts, smear zones are created in which zones of soil girding the band rainspouts are disturbed. The compressibility of girding soils is increased and it results in the reduction of their permeabili...