Zafra_REV1
Dr. Richelle G. Zafra
(049) 536-5614
DCE-UPLB

Dr. Richelle G. Zafra is an Associate Professor 6 and the former Chair of the Department of Civil Engineering (DCE) of the University of the Philippines Los Baños (UPLB).

Research Interests: seismic assessment of structures, numerical simulation, high-performance fiber-reinforced cement composites

Academic History

BS Civil Engineering, University of the Philippines Los Baños (UPLB), 1997
Master of Engineering (Civil Engineering), The University of Tokyo, Japan, 2004
PhD Civil Engineering (Specialization in Earthquake Engineering), Tokyo Institute of Technology, Japan, 2011

Organization / Affiliation

Member
Association of Structural Engineers of the Philippines

Member
Philippine Institute of Civil Engineers (PICE)

Member
Science and Technology Advisory Council, Japan

Member
Philippine Association of Japanese Government Scholars, SLC

Member
UPLB Civil Engineering Alumni Association

Member
TokyoTech Alumni Association

Member
UPLB Alumni Association

Member
CEAT Alumni Association

Member
The Order of the Knights of Pasig, UPLB

Publications

  1. Flood risk assessment of major river basins in the Philippines CDQ Alfonso, MB Sundo, RG Zafra, PP Velasco, JJC Aguirre, ...

Int. J. GEOMATE 17 (64), 201-208

  1. GIS-based earthquake damage prediction in different earthquake models: a case study at the university of the Philippines Los Baños, Philippines I Rusydy, DV Faustino-Eslava, U Muksin, R Gallardo-Zafra, JJC Aguirre, ...Philipp J Sci 147 (2), 301-316

  1. Electrical Resistivity of Concrete Containing Crystalline Rice Husk Ash as Supplementary Cementing Material JP Lacia, MS Madlangbayan, MB Sundo, RG Zafra

  1. Building vulnerability and human loss assessment in different earthquake intensity and time: a case study of the University of the Philippines, Los Baños (UPLB) Campus I Rusydy, DV Faustino-Eslava, U Muksin, R Gallardo-Zafra, JJC Aguirre, ...IOP Conference Series: Earth and Environmental Science 56 (1), 012006

  1. Detection and Measurement of Surface Cracks in Concrete Structures using Image Processing R Gallardo-Zafra, Y Fujino Philippine Journal of Agricultural and Biosystems Engineering 5 (1)

  1. Seismic performance of a bridge column based on E-defense shake-table excitations K Kawashima, RG Zafra, T Sasaki, K Kajiwara, M Nakayama Performance-Based Seismic Engineering: Vision for an Earthquake Resilient …

  1. Seismic performance of a full-size polypropylene fiber-reinforced cement composite bridge column based on E-defense shake table experiments K Kawashima, RG Zafra, T Sasaki, K Kajiwara, M Nakayama, S Unjoh, ...Journal of Earthquake Engineering 16 (4), 463-495

  1. Shake Table Experiments of a Full-scale Polypropylene Fiber Reinforced Cement Composite Bridge Column Using E-Defense (Keynote presentation) K Kawashima, RG Zafra, T Sasaki, K Kajiwara, M Nakayama Proc. International Workshop on Advances in Seismic Experiments and …

  1. Effect of polypropylene fiber reinforced concrete for enhancing the seismic performance of bridge columns T Sasaki, R Zafra, K Kawashima Proc. 15th World Conference on Earthquake Engineering, Paper

  1. Effect of polypropylene fiber reinforced cement composite and steel fiber reinforced concrete for enhancing the seismic performance of bridge columns K Kawashima, R Zafra, T Sasaki, K Kajiwara, M Nakayama Journal of Earthquake Engineering 15 (8), 1194-1211

  1. Effectiveness of Polypropylene Fiber Reinforced Cement Composite for Enhancing the Seismic Performance of Bridge Columns K Kawashima, R Zafra Proc. 4th Japan-Greece Workshop on Seismic Design of Foundations …

  1. Effectiveness of Polypropylene Fiber Reinforced Cement Composite for Enhancing the Seismic Performance of Bridge Column K Kawashima, R Zafra, T Sasaki, K Kajiwara, M Nakayama Proceedings of the International Transportation Infrastructure Workshop for …

  1. Effect of Fiber Reinforced Concrete Cement Composites on the Seismic Performance of Bridge Columns R Zafra, K Kawashima, T Sasaki, K Kajiwara, M Nakayama Proc. 3rd Asia Conference on Earthquake Engineering 3

  1. Fill-scale Shake Table Experimental Program of Reinforced Concrete Bridge Columns using E-Defense K Kawashima, T Sasaki, R Zafra, K Kajiwara, H Ukon, M Nakayama Proc. 3rd Asia Conference on Earthquake Engineering 3

  1. Stress-Strain relation of Polypropylene Fiber Reinforced Cement Composites for Use in Bridge Columns Subjected to Earthquake Excitation R Zafra, K Kawashima, T Sasaki, K Kajiwara, M Nakayama Proc. 13th Japan Earthquake Engineering Symposium 13, 6

  1. Cyclic stress-strain response of polypropylene fiber reinforced cement composites R Zafra, K Kawashima, T Sasaki, K Kajiwara, M Nakayama 土木学会論文集 A1 (構造・地震工学) 66 (1), 162-171

  1. Analysis of carbon fiber sheet-retrofitted RC bridge columns under lateral cyclic loading R Gallardo-Zafra, K Kawashima Journal of Earthquake Engineering 13 (2), 129-154

  1. Analysis of Carbon Fiber Sheet Retrofitted RC Bridge Columns RG Zafra, K Kawashima 14th World Conference on Earthquake Engineering, 1-8

  1. Development of Pre-Cast Rice Husk Ash Geopolymer Mortar Based on an Empirical Mix Model and the Effects of Activator Concentration and Alumina Admixture on Early-Age … NMS TABUCAL, MVO LAURIO, PP VELASCO, RG ZAFRA, ...

  1. Effect of Polypropylene Fiber Reinforced Cement Composites for Enhancing the Seismic Performance of a Full-Scale Bridge Column Based on E-Defense Excitation RG Zafra, K Kawashima, T Sasaki, K Kajiwara, M Nakayama

  1. ANALYTICAL STUDY ON THE SEISMIC PERFORMANCE OF CARBON FIBER SHEET-RETROFITTED RC BRIDGE COLUMNS RG ZAFRA, K KAWASHIMA