Properties of fibre mortars after exposure to high temperatures

Građevinar

article

Ezziane Mohammed¹  Laurent Molez²  Tahar Kadri¹  Raoul Jauberthie² 

[1] University Hamid Ibn Badis, Algeria LMPC Laboratory;INSA Rennes, France GCGM Laboratory

关键词: steel fibres;    mortar;    high temperature;    polypropylene fibres;    flame test;    flexural strength;   

DOI  :  10.14256/JCE.1014.2014

学科分类：社会科学、人文和艺术（综合）

来源: Hrvatsko Drustvo Gradevinskih Inzenjera

【 摘 要 】

Results obtained by testing mechanical behaviour and microstructure of fibre mortars and standard mortars after exposure to high temperatures are presented in the paper. A flame test using propane gas was developed to enable the best possible simulation of fire conditions. The testing was conducted on three different mortars: standard mortar, steel fibre mortar, and hybrid mortar (with equal proportion of steel fibres and polypropylene fibres). The addition of fibres ensured greater ductility of mortar at temperatures from 400 to 700°C. These observations served as a basis for explaining the loss of strength.

【 授权许可】

CC BY