Mechanical Behaviour of Reactive Powder Concrete with Polypropylene Fibers Exposed to Elevated Temperatures

2016 ◽  
Vol 13 (9) ◽  
pp. 5688-5692
Author(s):  
Kai Yan ◽  
Cheng Xu ◽  
Li Bing
Keyword(s):  
Mechanical Behaviour ◽  
Elevated Temperatures ◽  
Reactive Powder Concrete ◽  
Polypropylene Fibers ◽  
Reactive Powder

scholarly journals Effect of Steel Fibers and Temperature on the Mechanical Properties of Reactive Powder Concrete

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Mahmoud Ahmed Ali Abdelrahim ◽  
Aboelwafa Elthakeb ◽  
Usama Mohamed ◽  
Mohamed Taha Noaman
Keyword(s):  
Mechanical Properties ◽  
Tensile Strength ◽  
Compressive Strength ◽  
Elevated Temperatures ◽  
Fine Sand ◽  
Splitting Tensile Strength ◽  
Steel Fibers ◽  
Reactive Powder Concrete ◽  
Strain Relationship ◽  
Reactive Powder

Abstract Reactive Powder Concrete (RPC) is a concrete of the modern generation it mainly contains a high percentage of cement and a small percentage of water For cement as well as the presence of fine sand, ground quartz and silica dust. This research aims Studying the behavior and mechanical characteristics of RPC exposed to elevated temperatures. The key variables in this study are steel fibers content and the high temperatures of different levels 25, 200, 300, 400 ºC. Mechanical properties of concrete behavior including compressive strength, splitting tensile strength, stress-strain relationship (modulus of elasticity), and flexural strength. The test findings indicated that the Output strength of RPC specimens decreased when the high temperature increases. At a temperature of 400 °C, all samples lost the compressive strength and splitting tensile strength.

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