CHARACTERISTICS OF SHRINKAGE COMPENSATING EXPANSIVE CEMENT CONTAINING A PRE-HYDRATED HIGH-ALUMINA CEMENT-BASED EXPANSIVE ADDITIVE

被引：10

作者：

FU, Y ^{[1
]}

XIE, P ^{[1
]}

GU, P ^{[1
]}

BEAUDOIN, JJ ^{[1
]}

机构：

[1] NATL RES COUNCIL CANADA,INST RES CONSTRUCT,MAT LAB,OTTAWA K1A 0R6,ONTARIO,CANADA

来源：

CEMENT AND CONCRETE RESEARCH | 1994年 / 24卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/0008-8846(94)90052-3

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Research directed at developing a new composite expansive additive for use in producing shrinkage-compensating cement by addition to Portland cement is reported. Setting time, flow loss, free expansion, restrained expansion and compressive strength results were obtained for cement pastes and mortars containing different amounts of expansive additive. The effect of superplasticizer on the properties of fresh and hardened expansive cement mortar was also investigated. Results indicated that expansive cement with an appropriate amount of pre-hydrated high alumina cement based expansive additive passes all the requirements of relevant ASTM standards and is potentially of practical use.

引用

页码：267 / 276

页数：10