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Q. Illustrate Shaft grouting for friction barrettes?
For the construction of friction barrettes, some grout pipes are designed at periphery of the barrettes. Within a short duration (for example 24 hours) of concreting of barrettes, fresh concrete cover is cracked by injecting water. Subsequently shaft grouting is conducted where grout travels along the interface between concrete and soil and compacts the surrounding soils that are loosened or disturbed during excavation. Hydraulic fracturing of surrounding soils by grout during the grouting operation produce planes of higher shear strength. The grout will penetrate and improve the strength of soils around barrettes.
Landslides: Landslides are common in the Himalayan hill roads. The main causes contributing to landslides are: (a) Removal of lateral support at the bottom of a hill due t
In order to determine the water content of a wet sand, a sample weighing 4 N was put in a pyknometer. Water was then poured to fill it and the weight of the pyknometer and its con
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Modern marketing calls for more than just developing a good product, pricing it attractively, and making it available to target customers. Companies must also communicate with thei
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Check for stability in a dam
IFC= f(Ptr,Paccs+Peng) where ptr = 8, paacs =5 and peng =2 In this eqn. what does comma means and how to solve this eqn.
Q. Illustrate Concept of filter design? The material used for filter should satisfy the following normal criteria a. Filter material is more pervious than the base material
maintenance of wbm roadstion
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