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Question
Shall layer of wearing course or additional thickness be designed on surface of piers?
Answer In designing of piers, considerations have to be given to effect of wearing action caused by passengers, other traffics and even vehicles. In maritime atmosphere, strength and integrity of concrete is detrimental to servicing life of piers as it acts an essential barrier to chloride attack. Though, in view of these gradual wear and tear generated by loading traffic, a number of forms of surface protection have to be provided on top of pier surface like wearing course, additional increase in concrete cover.
what is the heat of hydration and gel space ratio?
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Similarity between post and pre tensioned concrete In the case of pre-tensioned concrete members, a pattern of small length and small width cracks which are more in numbers
Question What are the key problems if use pumping for concreting works ? Answer In pumping operation , force exerted by pumps have to overcome friction involving concrete an
(i) A dry soil has a void ratio of 0.65 and its grain exact gravity is = 2.80. What is its unit weight? (ii) Water is added to the sample so that its degree of saturation is 60%
difination of magnative bearing
Q. Factors determining the stability of a single armour unit There are mostly three major factors that govern the stability of an armour unit, viz gravity, intertangling and s
Explain the Analysis of Singly Reinforced Rectangular Beams: 1. Determine the area of steel reinforcement, As. Multiply the number of bars by the area of each bar. 2. Calcul
Temporary bench marks
obstacle to ranging but not chaining inthat when line may not visible from intermediate point pls if required explain with diagram
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