Paper Title:
Internal Curing of Saturated Lightweight Aggregate in High Performance Combined Concrete
  Abstract

This paper investigated the mechanical properties, workability, autogenous shrinkage, drying shrinkage and durability of the high performance combined aggregate concrete with the coarse aggregate replaced by the lightweight aggregate in the volume fraction from 0% to 50%. The results demonstrated that the fresh concrete with the lightweight aggregate volume fraction of 10% and 30% had good workability, but degrade with a high volume fraction of 50 %. The hardened concrete with 10% and 30% lightweight aggregate replacement had similar compressive strength and splitting tensile strength comparing to the reference concrete without adding lightweight aggregate. The concrete with 50% lightweight aggregate replacement showed decreased compressive strength and splitting tensile strength. The concrete adding lightweight aggregate exhibited less autogenous shrinkage and drying shrinkage than the reference concrete without adding lightweight aggregate. The autogenous shrinkage and drying shrinkage increased with the increasing lightweight aggregate volume fraction. The concrete containing lightweight aggregate showed good durability after 200 freezing and thawing cycles, but the chloride permeability efficiency of concrete decreased.

  Info
Periodical
Key Engineering Materials (Volumes 405-406)
Edited by
Hao-Wen YE and Gai-Fei PENG
Pages
212-218
DOI
10.4028/www.scientific.net/KEM.405-406.212
Citation
J. Zha, B. X. Li, J. H. Li, H. Gao, G. Cui, "Internal Curing of Saturated Lightweight Aggregate in High Performance Combined Concrete", Key Engineering Materials, Vols. 405-406, pp. 212-218, 2009
Online since
January 2009
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Yi Jin Li, Shi Qiong Zhou, Jian Yin, Jun Li
Abstract:The subject of concrete recycling is regarded as very important in the general attempt for sustainable development in our times. Due to a...
314
Authors: Ying Jun Mei, Jin Hang Wu, Jian Hua Zheng
Chapter 4: Ecological Architecture and Building Energy Saving Technology
Abstract:The reutilization of waste concrete and fly ash produced by power plant is one way to develop green concrete. The addition of fly ash in...
654