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QuestionWhat are the key problems if use pumping for concreting works?
AnswerIn pumping operation, force exerted by pumps have to overcome friction involving concrete and pumping pipes, weight of concrete and pressure head when placing concrete above pumps. In actuality, as only water is pump able, it is water in concrete that transfers force. Major problems associated with pumping are effect of isolation and bleeding. To rectify these adverse effects proportion of cement is increased to improve cohesion sequentially to decrease segregation and bleeding. On other hand, the proper selection of aggregate grading helps to get better pump capability of concrete.
Define Cast iron substructure - Inspection of bridge? Cast Iron also has the problem of corrosion due to atmosphere, which is similar to that of steel. However, in acidic or br
1. Domes - You are a construction manager in the UAE in charge of a project that involves constructing domes. Discuss briefly, giving examples, a range of different types of dome
Construction of Embankment: The following steps describe embankment construction : (a) The ground is cleared and grubbed and all vegetation, grass, roots, etc. are removed
calculation
Question What is major disparity between capping beams and ground beams for piles? Answer Capping beams for piles plan to transferring loads from directly spaced c
#how to prepare pre packed concrete#
• A potential source of harm - Mechanical hazard - Electrical hazard - Cutting hazard - Toxic hazard - Fire hazard - Explosion hazard
Allowable Strength Design (ASD) Process: - Apply service loads with no load factors - Assume linear elastic analysis of structure - Calculated stresses shall not excee
A piece of clay taken from a sampling tube has a wet weight of 1.553 N and volume of 95.3 cm . After drying in an oven for 24 hours at 105°C, its weight is 1.087 N. The liquid and
1. Can you enumerate the benefits of individual wall method of estimation? 2. Estimate the single room of size 3m x 4m x height 3m using individual wall method? 3. Which met
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