Paper Title:
Modification of the Waste Fluorgypsum and its Comprehensive Utilization with Fly Ash in Concrete
  Abstract

The waste fluorgypsum was modified and its comprehensive utilization with fly ash in concrete was studied. Eight-channel micro-calorimeter (TAM Air) and scanning electron microscopy were employed to study the basic properties and application performance of the modified fluorgypsum. Experimental results indicated that the modifying made the fluorgypsum crystal staggered mutually and improved the strength of the hardened body. The modified fluorgypsum and fly ash could delay reaction of cement hydration and reduce the heat of hydration of cement. When fluorgypsum was added to the cement, the fluorgypsum beared the function of enhancing the early stage compressive strength of concrete.

  Info
Periodical
Advanced Materials Research (Volumes 233-235)
Edited by
Zhong Cao, Lixian Sun, Xueqiang Cao, Yinghe He
Pages
2881-2884
DOI
10.4028/www.scientific.net/AMR.233-235.2881
Citation
D. W. Yang, Y. Yao, Y. Liu, H. X. Tong, "Modification of the Waste Fluorgypsum and its Comprehensive Utilization with Fly Ash in Concrete", Advanced Materials Research, Vols. 233-235, pp. 2881-2884, 2011
Online since
May 2011
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Price
$32.00
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