A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fire protection of bolt connection in steel structures : The need for fire protection in bolt connections
The purpose of this Bachelor’s thesis project is to perform a research on the need for fire protection of bolts in steel beam-to-column connections. Based on the literature study about the fire protection of steel elements, there are different cases when bolts should be protected or stay unprotected. The comparison of the results from different fire tests should be observed to make a conclusive decision about the need for fire protection of the bolts. This thesis introduces the types of fire protections for bolts, ways to calculate the temperatures of unprotected bolts and their resistances on fire according to the experiments and guidance books. The goal is to make a design tool to evaluate the need of individual fire protection for the bolts based on the temperature and the properties’ changes in case of fire. As a result, this thesis demonstrates a calculation method for the temperature rise of both unprotected and protected steel elements in the case fire. The fire protection by intumescent paint is used in the calculations. Based on the research, the formula of temperature rise in bolt assembly is summarized and used as a basis of the design tool. The excel tool developed in this thesis for bolt temperature and strength calculations is based on the example tool from commissioner of the thesis, SWECO Finland and it will be used inside the company.
Fire protection of bolt connection in steel structures : The need for fire protection in bolt connections
The purpose of this Bachelor’s thesis project is to perform a research on the need for fire protection of bolts in steel beam-to-column connections. Based on the literature study about the fire protection of steel elements, there are different cases when bolts should be protected or stay unprotected. The comparison of the results from different fire tests should be observed to make a conclusive decision about the need for fire protection of the bolts. This thesis introduces the types of fire protections for bolts, ways to calculate the temperatures of unprotected bolts and their resistances on fire according to the experiments and guidance books. The goal is to make a design tool to evaluate the need of individual fire protection for the bolts based on the temperature and the properties’ changes in case of fire. As a result, this thesis demonstrates a calculation method for the temperature rise of both unprotected and protected steel elements in the case fire. The fire protection by intumescent paint is used in the calculations. Based on the research, the formula of temperature rise in bolt assembly is summarized and used as a basis of the design tool. The excel tool developed in this thesis for bolt temperature and strength calculations is based on the example tool from commissioner of the thesis, SWECO Finland and it will be used inside the company.
Fire protection of bolt connection in steel structures : The need for fire protection in bolt connections
Dzhavadov, David (author)
2021-01-01
Miscellaneous
Electronic Resource
English
DDC:
690
Experimental study of the fire behavior of high strength bolt connections in steel frames
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