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Q. Sand layer vs. cement sand used as bedding of precast concrete paving units
Cement sand is a mixture of sand and cement and it behaves as a cohesive mass once mixed. Usually a 20mm to 30mm sand layer is laid beneath precast paving block units. Though in locations of steep gradients where it stands a high possibility that rain runoff will wash out in filling sand and sand layers, cement sand should be sued instead. Correspondingly when high pressure jetting is anticipated to be used frequently in routine maintenance, sand layers beneath precast paving block units isn't preferable due to the reason of potential washing out of sand.
Determine about the tensile stresses Unifody prestressed members designed for equal flexure in opposite directions,without permitting tensile stresses under working loads, requ
Define Diving Equipments for Underwater Inspection of Bridge? Generally two types of diving, Scuba diving and surface supplied air diving, is employed in underwater inspection
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Design for the limit state of collapse in bending Following assumptions are taken in the design for the limit state of collapse in bending or flexure. Plane sections norm
A box caisson, 10 m high, is 18 m × 9 m at the base. The weight of the caisson is 9 MN and its centre of gravity is 4.2 m above the base. Check whether the Caisson is stable. If
Binders : Cement: Cement as a Binder Cement is one of the main ingredients of concrete. When cement sets (with the addition of water), it forms a paste and binds the
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Road Materials Earthwork and pavements constitute a significant part of the cost of a road. Hence it is desirable that thorough investigations be done about the availability o
Question If contractor is likely for defective works for 12 years with pact under seal, then what is meaning of Maintenance Period? Answer Faulty works constitute a br
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