Strength and durability performance of HPC incorporating pozzolans at elevated temperatures-Reference-Cited by-同舟云学术

Strength and durability performance of HPC incorporating pozzolans at elevated temperatures

Published:2002-10-01 Issue:4 Volume:20 Page:123-128
ISSN:0263-080X
Container-title:Structural Survey
language:en
Short-container-title:

Author:

Balendran R.V.,Rana T.M.,Maqsood T.,Tang W.C.

Abstract

The inclusion of pozzolans like pulverised fuel ash (PFA), silica fume (SF) and metakaolin (MK) enhances the properties of concrete both in fresh and hardened states. In the case of high performance concrete (HPC), their role in enhancing the workability, strength and durability is extremely significant. However HPC has been observed to be more vulnerable than normal strength concrete when exposed to elevated temperatures. This paper presents an overview and discusses the strength and durability performance of high‐performance pozzolanic concretes incorporating PFA, SF, and MK subjected to elevated temperatures. Various researchers have demonstrated that addition of silica fume causes HPC to perform poorly when subjected to elevated temperatures. Higher loss of strength and spalling risks are also associated with it. Addition of PFA and MK has been found to improve the fire performance of HPC both in terms of residual strength and durability.

Publisher

Emerald

Subject

Building and Construction,Civil and Structural Engineering

Reference28 articles.

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