@article{CTT100793244, author = {Jason Maximino C. Ongpeng and Andres Winston C. Oreta1 and Sohichi Hirose}, title = {Investigation on the Sensitivity of Ultrasonic Test Applied to Reinforced Concrete Beams Using Neural Network}, journal = {Journal of Applied Sciences}, year = 2018, } @article{CTT100752952, author = {Jason Maximino C. Ongpeng and Andres Winston C. Oreta and Sohichi Hirose and Kazuyuki Nakahata}, title = {Nonlinear Ultrasonic Investigation of Concrete with Varying Aggregate Size under Uniaxial Compression Loading and Unloading}, journal = {Journal of Materials in Civil Engineering (ASCE)}, year = 2017, } @article{CTT100752950, author = {Jason Ongpeng and Marcus Soberano and Andres Oreta and Sohichi Hirose}, title = {Artificial neural network model using ultrasonic test results to predict compressive stress in concrete}, journal = {Computers and Concrete}, year = 2017, } @article{CTT100752945, author = {Jason Maximino C. Ongpeng and Andres Winston C. Oreta and Sohichi Hirose}, title = {Damage Progression in Concrete Using Acoustic Emission Test through Convex Hull Visualization}, journal = {ACI Materials Journal}, year = 2016, } @article{CTT100752918, author = {Jason Maximino C. Ongpeng and Andres Winston C. Oreta and Sohichi Hirose}, title = {Effect of Load Pattern in the Generation of Higher Harmonic Amplitude in Concrete Using Nonlinear Ultrasonic Test}, journal = {Journal of Advanced Concrete Technology}, year = 2016, } @inproceedings{CTT100810632, author = {K. C. Temew and C. L. C. Roxas and B. A. Lejano and J. M. C. Ongpeng and M. Iwanami}, title = {Evaluation of Macrocell Corrosion of Steel Segments in Fly Ash Concrete Mixed with Seawater}, booktitle = {}, year = 2019, } @inproceedings{CTT100752941, author = {Jason Maximino C. ONGPENG and Andres Winston C. ORETA and Sohichi HIROSE}, title = {MONITORING DAMAGE IN REINFORCED CONCRETE STRUCTURE USING SEESAW EFFECT THROUGH ACOUSTIC EMISSION TEST}, booktitle = {}, year = 2016, } @inproceedings{CTT100752931, author = {Jason Ongpeng and Marcus Soberano and Andres Oreta and Sohichi Hirose}, title = {Artificial neural network model using ultrasonic test results to predict compressive stress in concrete}, booktitle = {}, year = 2016, } @inproceedings{CTT100752920, author = {Raphael Lee and Jason Ongpeng and Andres Oreta and Sohichi Hirose}, title = {Air-coupled Ultrasonic Test in Singly-reinforced Concrete Beam}, booktitle = {}, year = 2016, } @inproceedings{CTT100752919, author = {Marcus Karyl C. Soberano and Jason Ongpeng and Andres Oreta and Sohichi Hirose}, title = {Artificial neural network modeling in predicting stress level using nonlinear ultrasonic test in concrete}, booktitle = {}, year = 2016, } @inproceedings{CTT100752916, author = {Jason Maximino C. Ongpeng and Andres Winston C. Oreta and Sohichi Hirose}, title = {Air-Coupled Ultrasonic Non-destructive Test in Single- Reinforced Concrete}, booktitle = {Proc. 2nd International Conference on Disaster Management and Civil Engineering (ICDMCE'2016)}, year = 2016, } @inproceedings{CTT100752912, author = {Jason Maximino C. Ongpeng and Andres Winston C. Oreta and Sohichi Hirose}, title = {Assessing Internal Damage in Concrete using Acoustic Emission Test thru Convex Hull Visualization}, booktitle = {Proc. World Engineering Conference and Convention (WECC2015)}, year = 2015, } @inproceedings{CTT100752831, author = {Jason Maximino C. Ongpeng and Andres Winston C. Oreta and Sohichi HIROSE}, title = {Acoustic emission test in determining behavior of concrete cubes during loading and unloading}, booktitle = {Proc. 3rd AUN/SEED-NET Regional Conference on Natural Disaster (RCND2015) 'Building Resilient Communities}, year = 2015, } @inproceedings{CTT100752818, author = {Jason Maximino ONGPENG and Andres Winston ORETA and Sohichi HIROSE}, title = {Non-linear ultrasonic test for fiber-reinforced concrete using 3rd harmonic generation}, booktitle = {Proc. IABSE Conference, Nara 2015}, year = 2015, } @inproceedings{CTT100660566, author = {Cheryl Lyne C.ROXAS and Jason Maximino C. Ongpeng and NOBUAKI OTSUKI and Takahiro Nishida and Nicko Jeanina M.DEMAFELIX and Jose Luis A.GALAN and Ganna Athena L.GANTUANGCO and Dondon M.VERGARA}, title = {Influence of Curing Period and Curing Medium on Concrete Mixed with Seawater}, booktitle = {Proceedings of Workshop on Utilization of Waste Materials, Manila}, year = 2013, } @inproceedings{CTT100565436, author = {Ronaldo S Gallardo and Jason Maximino C. Ongpeng and NOBUAKI OTSUKI}, title = {NEURAL NETWORK MAPPING IN THE SIMPLIFIED DESIGN OFMIX PROPORTIONS USING COAL BOTTOM ASH WASTE IN CONCRETE HOLLOW BLOCKS}, booktitle = {33rd Conference on OUR WORLD IN CONCRETE & STRUCTURES}, year = 2008, }