Paper Title:
Recycled Aggregate Performance Experiment Study on Basis of Saturated Surface Dried Crush Value Index
  Abstract

Crush value index is a key parameter for measurement of coarse aggregate strength performance. In this paper the eight group of crush value index are tested for the recycled aggregate used of waste concrete which is gathered from three different remove construction plants. The experiment analysis result is shown that the crush value of recycled aggregate is greater 2.5 times than natural aggregate. Meanwhile, compared with air dried condition, the crush value index of saturated face dried condition is from 7.22% to18.2%. Furthermore the recycled aggregate can be suitable to make concrete requirement which compression strength grade is C35 and lower than C35 in China. In the experiment, comparative analysis is found that the RA-10 aggregate compressive strength is slightly from 2.06% to 8.7%. Those which are higher limit value of standard for test method of mechanical properties on ordinary concrete and the divergence are less than 10%. Consequently the recycled aggregate can be used for concrete, and its compressive strength is also fundamentally satisfied for requirement of concrete compressive strength.

  Info
Periodical
Advanced Materials Research (Volumes 374-377)
Chapter
Chapter 8: Recycling and Reusing of Building Material
Edited by
Hui Li, Yan Feng Liu, Ming Guo, Rui Zhang and Jing Du
Pages
1641-1645
DOI
10.4028/www.scientific.net/AMR.374-377.1641
Citation
B. Zhang, S. L. Wang, Y. F. Du, L. P. Jing, "Recycled Aggregate Performance Experiment Study on Basis of Saturated Surface Dried Crush Value Index", Advanced Materials Research, Vols. 374-377, pp. 1641-1645, 2012
Online since
October 2011
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Price
$32.00
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