scholarly journals Calculation of the fire resistance of composite concrete floor and roof slabs

1978 ◽  
Vol 14 (1) ◽  
pp. 28-45 ◽  
Author(s):  
T. T. Lie
Keyword(s):  
Fire Resistance ◽  
Concrete Floor

Influence of the Fire Temperature Regime on the Fire-Retardant Ability of Reinforced-Concrete Floors Coating

2020 ◽  
Vol 1006 ◽  
pp. 87-92
Author(s):  
Andrii Kovalov ◽  
Yurii Otrosh ◽  
Oleg Semkiv ◽  
Volodymyr Konoval ◽  
Oleksandr Chernenko
Keyword(s):  
Reinforced Concrete ◽  
Fire Resistance ◽  
Temperature Regime ◽  
Fire Retardant ◽  
Protective Layer ◽  
Fire Regimes ◽  
Hollow Core ◽  
Standard Temperature ◽  
Concrete Floor

In the paper, the tests have been analysed for fire-resistant quality of the hollow-core reinforced-concrete floors with fire-retardant plaster covering under standard temperature regime of the fire. Using the methodology for determining the characteristics of fire-retardant coatings ability for reinforced-concrete floors, the dependences have been obtained of the fire-retardant coating thickness from the concrete protective layer of a hollow-core reinforced-concrete floor for a fire resistance limit of 180 minutes with a temperature regime of hydrocarbon fire and a tunnel curve according to the Netherlands standards (RWS). It has been concluded about the minimum required thickness of the studied fire-retardant coating to provide the required fire resistance limit of a hollow-core reinforced-concrete floor under the indicated fire regimes.

scholarly journals Fire resistance evaluation of reinforced concrete floors with fire-retardant coating by calculation and experimental method

2018 ◽  
Vol 60 ◽  
pp. 00003 ◽  
Author(s):  
Andrii Kovalov ◽  
Yurii Otrosh ◽  
Olha Ostroverkh ◽  
Oleksandr Hrushovinchuk ◽  
Oleksandr Savchenko
Keyword(s):  
Reinforced Concrete ◽  
Experimental Method ◽  
Fire Resistance ◽  
Heat Conductivity ◽  
Mining Industry ◽  
Fire Retardant ◽  
Hollow Core ◽  
Resistance Evaluation ◽  
Concrete Floor ◽  
Direct Problems

With the help of a previously developed technique based on the solution of inverse and direct problems of heat conductivity, the fire resistance of a hollow-core reinforced concrete floor with “Neosprei” fire-retardant plaster coating was estimated. The thermal and physical characteristics, as well as characteristics of the fire-proof ability of “Neosprei” fire-retardant plaster coating, have been determined. The conclusion has been made on the effectiveness of this coating and on the boundaries of the fire-retardant coatings use to ensure the normed values of the fire resistance degree of hollow-core reinforced concrete floors, including in the mining industry.

Shallow Precast Concrete Floor Without Beam Ledges Or Column Corbels

PCI Journal ◽  
2019 ◽  
Vol 64 (4) ◽  
Author(s):  
George Morcous ◽  
Eliya Henin ◽  
Maher K. Tadros
Keyword(s):  
Precast Concrete ◽  
Concrete Floor
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