Effects of pozzolans together with steel and polypropylene fibers on mechanical properties of RCC pavements

被引：66
作者：
Madhkhan, M. [1 ]
Azizkhani, R. [1 ]
Harchegani, M. E. Torki [2 ]
机构：
[1] Isfahan Univ Technol, Dept Civil Engn, Esfahan 8415683111, Iran
[2] Sharif Univ Technol, Dept Civil Engn, Tehran 8166746951, Iran
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2012年 / 26卷 / 01期
关键词：
Roller compacted concrete (RCC) pavements; Steel and polypropylene fibers; Pozzolans (D); Compressive and flexural strength; Toughness; Pozzolanic contribution; ROLLER COMPACTED CONCRETE;
D O I：
10.1016/j.conbuildmat.2011.05.009
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Effects of pozzolans and fibers on mechanical properties of RCC are addressed. The mechanical properties were evaluated using optimum moisture with different amounts of pozzolans, steel and polypropylene fibers. Using pozzolans, maximum increase in compressive strength was observed to occur between 28 and 90 days of age, rupture modulus was found to decrease; but toughness indices did not change considerably. The influence of steel fibers on compressive strength was often more significant than that of PP fibers; but neither steel nor PP fibers did contribute to increase in the rupture modulus independently from pozzolans. Also, the toughness indices increased when steel fibers were used. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：102 / 112
页数：11
相关论文
共 22 条
[1]  
ACI 211.3R-02, 2004, ACI MAN CONCR PRACT, P26
[2]  
ACI 325.10R-99, 2004, ACI MAN CONCR PRACT, P32
[3]  
[Anonymous], 2004, ACI Manual of Concrete Practice, Part 1, P47
[4]  
[Anonymous], ACI J P
[5]  
[Anonymous], 1997, CHEM PHYS MECH PROPE
[6]  
[Anonymous], 1989, CONCR INT
[7]  
ASTM C1018-94b, 1994, STANDARD TEST METHOD, P502
[8]  
ASTM C1435-99, AM STANDARD TESTING, P3
[9]  
ASTM C6I8-94a, AM STANDARD TESTING, P304
[10]   Strength properties of roller compacted concrete containing a non-standard high calcium fly ash [J].
Atis, CD ;
Sevim, UK ;
Özcan, F ;
Bilim, C ;
Karahan, O ;
Tanrikulu, AH ;
Eksi, A .
MATERIALS LETTERS, 2004, 58 (09) :1446-1450
123