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As the size cube size increases, the strength of concrete decreases due to ...?

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Question ajoutée par Ahilan R , Scientific Assistant-D , Nuclear Power Corporation of India Ltd (NPCIL)
Date de publication: 2016/07/25
Imran Ahmed
par Imran Ahmed , Manager-Planning & Delay Analyst , Nesma United Industries (NUI) Saudi Arabia

By increasing size of cube, surface area contacting with compressive load is increased. Increased surface area covers more voids among coarse agreagate and fine particles.

With application of uniform compressive load, Particles come closer to fill voids and cracks are appeared on concrete at lesser load. This is the reason causing decrease in compressive strenght of cube with increased in size.

Mohammad Hasan Annuari
par Mohammad Hasan Annuari , Construction Project Manager , FLORIDABLANCA CONSTRUCTION AND DEV. CORP.

IT DECREASES DUE TO 1.) CONCRETE MIX, 2.) LACK OF CURING, 3.) ABSENCE OF REINFORCEMENT.

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