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description Journal article public Poli-Teknologi

Efek Retempering Terhadap Kuat Tekan Beton

Istiatun Sukarno, Djedjen Achmad
Diterbitkan 2014

Abstrak

Have been investigated the impact of the retempering at concrete compressive strength. Retempering is adding water to the concrete mixture which already began to stiffen in the hope that the concrete is still workable. Research was done at concrete with the quality of k 225, slump value of 60-180 mm, which is in retempering with water, and concrete in retempering with water and cement. Retempering was done on concrete that has been delayed casting within 60 minutes, 120 minutes, 180 minutes and 240 minutes. The result in concrete at retempering with water decreased compressive strength, along with the addition of water. While the concrete is in retempering with water and cement with water-cement ratio (w/c) is constant, the relative compressive strength of concrete is not much different from the reference. The difference is about 4% of the compressive strength of concrete reference.

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