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Q. Show the Grout curtain around excavation?
When excavation work is performed in grounds with highly permeable soils, other than installation of well points to lower down groundwater table, consideration can be given to the injection of grout to the soils. The purpose of injection of grout is to fill pore spaces and cavities of soils with grout and to decrease the permeability of soils. The method of grouting is effective in coarse soils however not forsands. Basically 'grout curtain' is constructed around the excavation by installation of various rows of injection holes for grouting.
Explain the Operating Point - Pumping System Intersection of the characteristic curve and the system curve. This is the head and flow rate data for the pump "operation". The op
A retaining wall 4.5 m high with vertical back supports a backfill with horizontal surface. The unit weight of the fill is 18 kN/m 3 and the angle of internal friction is 36°. The
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A partially saturated soil from an earth fill has a natural water content of 19% and a bulk unit weight of 19.33 kN/m 3 . Suppose the specific gravity of soil solids as 2.7, comput
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Design of one way slab, two way slab, circular slab, hollow slab step by step as ACI code 318-08, tnx
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