Microstructural alterations in fly ash mortars: Study on phenomena affecting particle and pore size

被引：39

作者：

Frias, M

deRojas, MIS

机构：

[1] Instituto Eduardo Torroja (CSIC), 28080 Madrid

来源：

CEMENT AND CONCRETE RESEARCH | 1997年 / 27卷 / 04期

关键词：

D O I：

10.1016/S0008-8846(97)00026-4

中图分类号：

TU [建筑科学];

学科分类号：

0813 [建筑学];

摘要：

In the last years, relation among porosity, permeability and durability of mortar has been investigated, and a direct relation among them has been verified. However, these properties (mainly in the case of fly ashes) are influenced by vibration and stirring processes to which cementitious mass is subjected during its elaboration (mixing and moulding). These processes could provoke the breaking of fly ash plenospheres. This fact modifies the behaviour of mortars and concretes with this industrial by-product. In the present work a laboratory study is carried out. Fly ash granulometric variations provoked by vibration and stirring processes and their influence on mortar properties is shown. (C) 1997 Elsevier Science Ltd.

引用

页码：619 / 628

页数：10

共 11 条

[1]

CABRERA JG, 1980, 7 INT C CHEM CEM PAR, V3, P84

[2]

COOK J, 1986, 1 INT RILEM C PAR FR, V1, P69

[3]

*EUR STAND EN, 1994, 450 EN EUR STAND

[4]

Frias M, 1990, ADV CEMENT RES, V3, P47, DOI 10.1680/adcr.1990.3.10.47

[5]

MASSAZZA F, 1991, 2 INT C MONTR CAN, V2, P1259

[6]

TALBOT C, 1995, SLAG NATURAL POZZOLA, V1, P125

[7]

TENOUTASSE N, 1986, 1 INT RILEM C PAR, V1, P33

[8]

TENOUTASSE N, 1986, 2 INT C FLY ASH SIL, V1, P51

[9]

TEOREANU I, 1982, INT S US PFA CONCR L, P231

[10]

UCHIKAWA H, 1991, 2 CANMET ACI INT C D, P525

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