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by D Stark

Download The use of recycled-concrete aggregate from concrete exhibiting alkali-silica reactivity (Research and development bulletin) fb2, epub

ISBN: 0893121452
Author: D Stark
Language: English
Publisher: Portland Cement Association (1996)
Subcategory: No category
Rating: 4.3
Votes: 210
Size Fb2: 1527 kb
Size ePub: 1837 kb
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The utilization of. concrete wastes in sustainable development may alleviate such problems.

The utilization of. Sustainable development is presently a major issue all over the world. The concept of. sustainable development was first presented at the 1992 Earth Summit in Rio de Janeiro city.

potential of concrete that was made from recycled concrete aggregate, was known to have ASR, or was capable of ASR under conditions of increased alkalinity. Got it. We value your privacy

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By using the recycled concrete aggregate at or near SSD conditions, the . Younger concrete samples and experimental test specimens exhibit the presence of amorphous ASG.

By using the recycled concrete aggregate at or near SSD conditions, the mixtures were workable and had lower free shrinkage. Alkali-silica gels (ASG) were investigated in concrete from bridge structures (constructed from the 1920s to 2000), as well as in experimental specimens; employing optical microscopy, petrographic image analysis, and scanning electron microscopy combined with energy dispersive spectroscopy (SEM/EDS). The main differences were found in the chemical composition and morphology of the ASGs.

Stark D (1996) The use of recycled concrete aggregate from concrete exhibiting alkali silica reactivity . Xiao J, Li H, Yang Z (2013) Fatigue behavior of recycled aggregate concrete under compression and bending cyclic loadings. Constr Build Mater 38:681–688.

Stark D (1996) The use of recycled concrete aggregate from concrete exhibiting alkali silica reactivity, RD114. 01T, Portland Cement Association, Skokie, Illinois. 6. Barbudo A, Agrela F, Ayuso J, Jiménez JR, Poon CS (2012) Statistical analysis of recycled aggregates derived from different sources for sub-base applications. Constr Build Mater 28:129–138.

From: New Trends in Eco-efficient and Recycled Concrete, 2019. Logically, the use of mixed recycled aggregates (MRAs) containing a higher proportion of RMA content is expected to result in concrete exhibiting higher water absorption than that made with MRAs having a higher proportion of RCA (Gomes and de Brito, 2009; Poon and Chan, 2006; Dhir and Paine, 2007; Yang et a. 2011) (Figure 1. ).

Use of Recycled Concrete Aggregate in Making Concrete- An Overview However, the use of such aggregate should be authorised after additional testing is conducted, or previous experience justifies its use a. .

Use of Recycled Concrete Aggregate in Making Concrete- An Overview. Utilization of Recycled Concrete Aggregate and Quarry Dust in Concrete. A comparison based on typical. However, the use of such aggregate should be authorised after additional testing is conducted, or previous experience justifies its use as coarse concrete aggregate (SAA, 1998).

Concrete containing recycled concrete aggregate for use in concrete. explored in great depth in my book Men, Women, and Relationships: Making Peace with the. OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT Sakyi, my dear brother Michael Ankamah Bekoe UNIVERSITY OF FLORIDA. 17 MB·25,634 Downloads Load more similar PDF files. PDF Drive investigated dozens of problems and listed the biggest global issues facing the world today.

4 Prevention of Alkali-Silica Reaction Michael . Thomas, R. Doug Hooton & Kevin Folliard. 5 Diagnosis, Appraisal, Repair and Management Bruno Godart & Mario R de Rooij. 6 United Kingdom and Ireland Ian Sims. Throughout his later career he has been much involved with investigation of materials problems associated with concrete and related materials for government and major civil engineering organisations. One particular area of expertise is alkali-aggregate reaction in concrete, a costly and world-wide problem.

Potential alkali silica reactivity of the recycled aggregates was investigated by ASTM C1260 method until the age of 45.Results indicate that the use of recycled materials did not significantly affect the strength development with respect to mixtures with natural materials.

Potential alkali silica reactivity of the recycled aggregates was investigated by ASTM C1260 method until the age of 45 days. It was observed that the strength of mortars was decreased by the incorporation of recycled aggregates.

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