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Aghiad Alhafez, Shingo Miyazawa, Nobukazu Nito, Ryuichiroh Kuga and Etsuo Sakai
Cement with fly ash has rarely been used in Japan, mainly because its strength development is slower than ordinary Portland cement. In this research, the effect of the new type of fly ash (which was modified by the electrostatic belt separation method) w...
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Md Azree Othuman Mydin, Mohd Mustafa Al Bakri Abdullah, Rafiza Abdul Razak, Mohd Nasrun Mohd Nawi, Puput Risdanareni, Poppy Puspitasari, Andrei Victor Sandu, Madalina Simona Baltatu and Petrica Vizureanu
Recent industrial developments have focused more and more on the applications of lightweight foamed concrete (LFC) in the construction industry, having advantages over normal-strength concrete. LFC, however, has several drawbacks including brittleness, h...
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Euibae Lee, Jeongwon Ko, Jaekang Yoo, Sangjun Park and Jeongsoo Nam
In this study, the drying shrinkage cracking characteristics of concrete containing 30% fly ash were investigated for various dune sand (DS) replacements and unit water contents. In the results of compressive strength, the mixture with a DS-to-fine aggre...
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Cinthia Maia Pederneiras, Rosário Veiga and Jorge de Brito
One of the main functions of renders, together with the overall aesthetic appearance of the building, is the protection of the walls against external aggressive actions, such as water, salts solutions, erosion, and mechanical impacts. However, some anoma...
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Bernard A. Zulu, Shingo Miyazawa and Nobukazu Nito
Accelerated curing is used for mass production in the precast concrete industry. Autogenous shrinkage and drying shrinkage occur in concrete, during and after accelerated curing. Thus, thermal cracks may occur in concrete due to both heating and cement h...
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Md. Safiuddin
Concrete structures undergo different forms of damage during their service life. The aim of this study is to identify the most common forms of concrete damage in field conditions. A number of concrete elements and structures were visually inspected and t...
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José Aparecido Canova, Generoso De Angelis Neto, Rosângela Bergamasco
Pág. 25 - 31
Stone-quarry fines have been evaluated in mortar and concrete, but have presented drying shrinkage and consequently higher incidence of cracks than those with natural sand. This study compared the dry ripened mortar in two types of aggregates added of 8%...
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