"Jason Maximino C. Ongpeng,Andres Winston C. Oreta,SOHICHI HIROSE","Contact and Noncontact Ultrasonic Nondestructive Test in Reinforced Concrete Beam",,"Advances in Civil Engineering",,"Vol. 2018","No. 5783175","page 10",2018,Nov. "Jason Maximino C. Ongpeng,Andres Winston C. Oreta,SOHICHI HIROSE","Characterization of damage using ultrasonic test on different types of concrete",,"Materials Evaluation",,"Vol. 76","No. 11","pp. 1532-1541",2018,Nov. "Jason Maximino C. Ongpeng,Kenneth Guevarra,Sohichi Hirose","Air-coupled Nonlinear Ultrasonic Test for Reinforced Concrete Beams","IABSE Spring Conference - Engineering the developing world, Kuala Lumpur 2018","Proc. IABSE Spring Conference - Engineering the developing world, Kuala Lumpur 2018",,,,,2018,Apr. "Jason Maximino C. Ongpeng","Nonlinear Ultrasonic and Acoustic Emission Investigation of Concrete Damage",,,,,,,2017,Mar. "Jason Maximino C. Ongpeng","Nonlinear Ultrasonic and Acoustic Emission Investigation of Concrete Damage",,,,,,,2017,Mar. "Jason Maximino C. Ongpeng","Nonlinear Ultrasonic and Acoustic Emission Investigation of Concrete Damage",,,,,,,2017,Mar. "Jason Maximino C. Ongpeng","Nonlinear Ultrasonic and Acoustic Emission Investigation of Concrete Damage",,,,,,,2017,Mar.