The thermal properties of light-weight concrete after a fire

• Main Authors: Yu-Sheng Ting, 丁昱升
• Other Authors: Mr. JAU
• Format: Others
• Language: zh-TW
• Published: 1995
• Online Access: http://ndltd.ncl.edu.tw/handle/93499185479684606248

碩士 === 國立交通大學 === 土木工程研究所 === 83 === If the light-weight concrete is used in building a high rise ,it can reduce building''sweight because of its weight is lighter than the normal-weight concrete,and reduce the process of earthquake corresponding.On the other side,its fire proof properties are better than the normal-weight concrete.In these years,fire damage made great losses of life and money,if we want to employ the light-weight concrete to building structure, it is necessary to research its thermal properties in the process of a fire. The research has different aggregates of four specific gravity in making concrete,heated with ASTM E119 standard fire temperature-time relation to 1052 ℃,measure their surplus strength,weight,dynamic elastic modulus, ultrasonic velocity after cooling,temperature-time relation in concrete interior during heating,and concrete''s extreme thermal expansion strain, thermal expansion cofficient. With the result that we can see the thermal properties of the light-weight concrete after a fire are better than the normal-weight concrete,so if a construction is built in the light-weight concrete,it can reduce fire damage effectively.