Compressive Behavior of Recycled Concrete Aggregate
PDF | This is a pioneer study on Recycled Coarse Concrete Aggregate in the Philippines. Disposal of construction and demolition (CDs) wastes is yet to | Find,
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PDF | This is a pioneer study on Recycled Coarse Concrete Aggregate in the Philippines. Disposal of construction and demolition (CDs) wastes is yet to | Find,
It was reported that the long-term net benefit of producing coarse recycled concrete aggregate (CRCA) from waste concrete was positive with a value of US$
The purpose of this study was to investigate whether demolished concrete can be used as an alternative for natural coarse aggregates in concrete. Specifically, this study wished to
Shailendrakumar.et.al. (2004) , in this paper, the author found the relationship between split tensile strength and compressive strength for RCA concrete as well as controlled
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Waste concrete can be separated as cement-rich water-cement mixture and coarse aggregate. Therefore these recycled materials can be reused to a certain extent in the
Recycling concrete waste as recycled aggregate is one of the strategies to reduce the concrete waste. We can make contribution to decrease the total environmental effect of
There is a need to address the issue of recycling plastic waste and providing means of livelihood at Southville 7, Don Bosco, Calauan, a relocation site of typhoon victims in
Although the reluctance of most concrete producers, especially some of the smaller ones, in reclaiming aggregate from the concrete waste seems to be due to the relatively high operating cost and initial capital investment, the costs of dumping the over-ordered concrete waste to landfill areas are double that of the aggregate recycling plan
Recycled concrete aggregates (RCAs) produced from concrete wastes are estimated to cost less than natural aggregates (NAs). Tam [7] investigated the economical considerations of recycling concrete waste. It was reported that the long-term net benefit of producing coarse recycled concrete aggregate (CRCA) from waste
the recycled aggregate concrete is almost 85% and 80% of natural aggregate concrete. Amn on.et.al (2002), concrete having a 28 -day compressive strength of 28 MPa was crushed at ages 1, 3 and 28 days to serve as a source of aggregate for new concrete, simulating situation prevailing in precast concrete plants. properties of
To amplify the scope for recycling in the future, components of recycling have to be covered in the layout phase. Besides, aggregate sources near Metro Manila are nearly depleted, so aggregates have to be delivered from quarries. Recovery of aggregates from concrete debris would therefore result in environmental and economic
There is a need to address the issue of recycling plastic waste and providing means of livelihood at Southville 7, Don Bosco, Calauan, a relocation site of typhoon victims in Metro Manila. Hence, this community engagement involves a research on how to produce quality concrete hollow blocks (CHB) mixed with waste plastic. The main significance of this
The recycled concrete was cured in seawater for a period of 28 days. The results indicated that even with 100% usage of recycled concrete aggregate, design strength of 35 MPa was attainable. Highest concrete strength was obtained when the mixing water consisted of a blend of 25% seawater and 75% tap
A. Recycled Aggregate Concrete Recycling is the act of processing the used material for use in creating a new product. The usage of natural aggregate is getting more and more intense with the advanced aggregate concrete”, Volume 2, Issue 1, pp. 1-9,March 2011 [5] Katrina Mc Nei, Thomas H.K. Kang, “Recycled concrete
The produced coarse recycled concrete aggregate is sent to a rotary kiln for calcination, which can burn the combustible impurities into ashes. The calcined aggregate is then ground into powder by ball mills and Raymond mills. The calcination treatment method removes the combustibles in the recycled concrete aggregate and
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This also aims to design a technical specification of concrete hollow block using coconut shell and fiber as aggregates that will meet the ASTM requirements in order to help contribute to the