The Effect of Porous Pozzolanic Polydisperse Mineral Components on Properties of Concrete

被引：0

作者：

Markiv, Taras ^{[1
]}

Sobol, Khrystyna ^{[2
]}

Petrovska, Nadiya ^{[2
]}

Hunyak, Oleksii ^{[2
]}

机构：

[1] Lviv Polytech Natl Univ, Dept Bldg Prod, Bandera St 12, UA-79000 Lvov, Ukraine

[2] Lviv Polytech Natl Univ, Dept Highways & Bridges, Bandera St 12, UA-79000 Lvov, Ukraine

来源：

PROCEEDINGS OF ADVANCES IN RESOURCE-SAVING TECHNOLOGIES AND MATERIALS IN CIVIL AND ENVIRONMENTAL ENGINEERING (CEE 2019) | 2020年 / 47卷

关键词：

Zeolitic tuff; Concrete strength; Particle size distribution; Microstructure; Internal curing; DURABILITY PROPERTIES; NATURAL ZEOLITE; CEMENT; HYDRATION; STRENGTH; DESIGN;

D O I：

10.1007/978-3-030-27011-7_35

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The role of polydispersity of zeolitic tuff in the realization of its properties as an active mineral addition and optimization of granulometric composition of concrete at the level of the mesostructure have been confirmed. The function of a polydisperse zeolitic tuff and perlite in the creation of water reserve for hydration of cement in conditions of reduced relative humidity and in case of improper curing is substantiated. In dry hardening conditions, concrete containing polydisperse mineral components such as perlite and zeolitic tuff are characterized by a slightly lower percentage of compressive strength reduction in comparison with concrete without additions. Flexural strength of moist cured concrete with polydisperse zeolitic component is 8 and 12% higher than concrete without additives at 28 and 90 days respectively.

引用

页码：275 / 282

页数：8

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