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QuestionDesign of concrete structures, normally most aggregate sizes are adopted with scopes from 10mm to 20mm. Does an increase of most aggregate size advantage structures? AnswerTo answer this query, let's consider the example of a cube. Surface area to volume ratio of a cube is 6/b that b is the length of cube. This implies that surface area to volume ratio reduces with an increase in volume. Then, when size of maximum aggregate is improved, surface area to be soaked by water per unit volume is condensed. Consequently, water requirement of concrete mixes is reduced accordingly so water or cement ratio can be lowered, resulting in a rise in concrete power. Though, increase of aggregate size is also accompanied by effect of reduced contact areas and discontinuities formed by these larger sized particles. In general, for utmost aggregate sizes less than 40mm, effect of lower water requirement could offset drawbacks brought about by discontinuities as recommended by Longman Scientific and Technical in 1987.
In designing of elastomeric bearings, why are steel plates inserted inside Bearings?
Q. What do you mean by No fines concrete? Sometimes no fines concrete is used in houses due to its good thermal insulation properties. Essentially no fines concrete comprises c
what is wmm what are all the uses of that wmm
the two sides of a triangle are 17cm and 28 cm long, and the length of the median drawn to the third side is equal to 19.5. find the distance from an endpoint of this median to the
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In sailing, the ropes used to move the sails around so the boat will move in the right direction when the wind blows.
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Explain the Precedence Relationships a. Finish-to-Start - the most common, the predecessor activity must finish before the successor activity can start b. Finish to Finish
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