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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.
An electrical contractor is preparing to place the duct bank concrete encasement for the high voltage feeders between manhole # 11 and # 12, total distance is 323-ft. The duct bank
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Define Major Ions present in the water Cations: Calcium, Magnesium, sodium, potassium Anions: Bicorabonate, sulfate, chloride Other ions present: Iron. Manganese, Fluor
Introduction to Transportation Engineering: Transportation is the movement of goods and people from one place to another. Transportation Engineering is that branch of engineer
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I have a geo technical Project that I need to be solved correctly and accurately within 15 hours exact, please. Steps and details must be included. Thanks a lot and let me know ASA
N-type semiconductor is an example of what semiconductor? Answer : N-type semiconductor is an example of extrinsic semiconductor.
Q. Diffrence between Single and double-cell box culvert? The usage of double-cell box culverts is preferred to single-cell box culverts for cross-sectional area larger than abo
Design the 2-span continuous center T-beam, B2, for the floor syetem shown below. The girders that the beam frames into are all 24" wide. Using fc'= 5 ksi, and fy = 60 ksi. The ser
Copper is a very durable material when exposed to weather and is soft enough that it can be simply molded to curved shapes like those in the Statue of Liberty. It is also tradition
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