NDLI: Experimental study on shell-strengthening the lightweight pumice aggregates

Content Provider	IEEE Xplore Digital Library
Author	Lv Xingjun Cao Mingli
Copyright Year	2011
Description	Author affiliation: School of Civil Engineering, Dalian University of Technology, Dalian, China (Lv Xingjun; Cao Mingli)
Abstract	Natural pumice aggregates have the characteristics of low numerical tube pressure and high water absorption. In this study, the pumice aggregates was reinforced by making shell process with the methods of mixing pumice powder and silica fume into cement, which aimed to solve the problem that it was difficult for the preparation of lightweight concrete of high strength. Through the strengthening treatment of pumice aggregates, the light aggregates with the numerical tube pressure of 2.6MPa, bulk density less than 500 kg/m3 and water absorption ranging from 12.1% to 17.5% were obtained. The lightweight aggregate concrete was also made up with pumice. The compressive strength of the concrete at 28d age was higher than 15MPa and the apparent density was about 1400 kg/m3. So the results of this research were conducive for the preparation and application of high-strength and lightweight pumice concrete.
Starting Page	3173
Ending Page	3176
File Size	826041
Page Count	4
File Format	PDF
ISBN	9781612844589
e-ISBN	9781612844596
DOI	10.1109/CECNET.2011.5769432
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lightweight aggregate Strengthening numerical tube pressure Shell-making Absorption Aggregates Volcanic ash Pumice Educational institutions Concrete Water absorption Electron tubes Civil engineering
Content Type	Text
Resource Type	Article

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