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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.
What are Aquifers? Water bearing, underground geologic formations. The subsurface formations are composed of soils and rocks with voids saturated with water.
determine the force p if the block is move yto the right at an angle of friction on all contact points @20 degrees
solution of the book
what do mean by outstand element of compression flange, internal element of compression flange and web general
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Explain in detail about Textural classification. Sketch neatly the Casagrande's plasticity chart indicating several aspects. How would you use it in classifying the fine graine
Test for determination of Shear Modulus Conditioning load : Bearings shall be preloaded with maximum horizontal load Htest (with Ntest or vertical load held constant) and un
the cooke''s reversible level
describe how you would range a surveying line betwen two point wich are not entervisible?
what is the difference between whole circle bearing and reduced bearing?
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