Strength and deformability of mineral wool slabs under short-term compressive, tensile and shear loads

被引：8
|
作者：
Gnip, I. [1 ]
Vejelis, S. [1 ]
Kersulis, V. [1 ]
Vaitkus, S. [1 ]
机构：
[1] Vilnius Gediminas Tech Univ, Sci Inst Thermal Insulat, LT-08217 Vilnius, Lithuania
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2010年 / 24卷 / 11期
关键词：
Mineral wool slabs; Compression; Tension; Shear; Ultimate strength; Initial modulus of elasticity; DIGITAL IMAGE CORRELATION; MECHANICAL-PROPERTIES; EXPANDED POLYSTYRENE;
D O I：
10.1016/j.conbuildmat.2010.04.047
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The results obtained in the experimental study of mineral wool slabs under short-term compressive, tensile and shear loads, used for insulating flat roofs, cast-in-place floors, curtain and external basement walls, as well as for sound insulation of floors, are presented. To describe the experimental data of strength and deformability of mineral wool slabs, the regression equations of the linear form, provided with one-sided confidence intervals for predicting the resultant characteristic with probability P = 0.90, are used. The interrelationship between strength and deformability characteristics of mineral wool slabs under tension and shear, and their strength and deformability under short-term compression are determined. Based on the experimental data, differences in deformability and strength characteristics of mineral wool slabs under shear load in mutually perpendicular planes (in the direction of slab forming and perpendicular to it) are demonstrated. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2124 / 2134
页数：11
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