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Cationic asphalt emulsion as an additive of RCC Pavement: Exploring for Mode-I fracture behavior and dynamic modulus properties by Mohammad Dareyni; Seyed Vahid Pourjafar; Abolfazl Mohammadzadeh Moghaddam is a Engineering article available to read on EtoBox.

What is Cationic asphalt emulsion as an additive of RCC Pavement: Exploring for Mode-I fracture behavior and dynamic modulus properties about?

So far, several studies with the aim of investigating the feasibility of applying emulsified asphalt as an additive in the different types of cement concrete have been conducted, of which the results show a promising performance. Nonetheless, a relevant study on the dynamic and cracking behavior of Roller Compacted Concrete (RCC) containing Cationic Emulsified Asphalt (CEA) have been seldom accomplished. Therefore, it paved a way for studying this issue by conducting experiments on cylindrical and semi-circular bending (SCB) specimens made with CEA contents of 0, 2, 4, 6, 8 and 10% by weight of cement. The SCB specimens were subjected to three-point bending test (mode-I fracture) to evaluate the effect of CEA on the fracture properties. The cylindrical specimens were subjected to dynamic modulus testing with sinusoidal loading/unloading with different frequencies (5, 2, 1, and 0.5 Hz) as per AASHTO T342 to assess the effect of CEA on the dynamic modulus. Non-destructive ultrasonic pulse velocity (UPV) test was also performed on the cylindrical specimens 200 × 100 mm, which were prepared by cutting 50 mm disc from two ends of the specimens. Applying multiple linear regression on exp

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Author

Mohammad Dareyni; Seyed Vahid Pourjafar; Abolfazl Mohammadzadeh Moghaddam

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)