Clay J. Naito, Ph.D., P.E.
Associate Professor and Associate Chair
Dept. of Civil and Environmental Engineering

Contact Information
Links

Current Research:

NSF: Development of a Blast and Ballistic Resistant Precast Concrete Armored Wall System

NEES-CR: Impact Forces from Tsunami-Driven Debris

Inspection Methods & Techniques to Determine Non Visible Corrosion of Prestressing Strands in Concrete Bridge Components

Daniel P. Jenny PCI Fellowship: Analytical Assessment of the Resistance of Precast Strucutres to Blast Effects

Development of a Seismic Design Methodology for Precast Diaphragms

Development of a Welding Procedure Specification for Field Welding of Precast Concrete Connections

Use of Polyurea for Blast Hardening of Concrete Construction

Estimation of Concrete Respone Under Varying Confinement

Evaluation of Bond Mechanics in Prestressed Concrete Applications

Horizontal Shear Capacity of Composite Beams Without Ties

Lateral Resistance of Plywood and Oriented Strand Board Sheathing After Accelerated Weathering

Past Research Projects

Performance of Bulb Tees with Self Consolidating Concrete

FRP Bridge Decks with RC Parapets

Blast Resistance of a Load Bearing Shear Wall Building

Lehigh@NEES Equipment Site

Reserarch Experinece for Undergraduates

Seismic Evaluation of a Three Story WoodFrame Apartment Building with Tuck-Under Parking

Design of RC Bridge Beam-Column Connections

Response of Waffle Slab Building Systems to Seismic Loads

Contact Information:
Department of Civil Engineering
Lehigh University
ATLSS Center
117 ATLSS Drive, IMBT Labs
Bethlehem, PA 18015
Phone: 610-758-3081
Fax: 610-758-5553
E-mail: cjn3@lehigh.edu

Research Interests:
Experimental and Analytical Evaluation of Reinforced and Prestressed Concrete Structures Subjected to Extreme Events including Earthquakes, Tsunamis, and Intentional Blast Demands.

Professional Preparation:

  • The University of Hawaii Manoa Civil Engineering B.S., 1993
  • The University of California Berkeley Civil Engineering M.S., 1994
  • The University of California Berkeley Civil Engineering Ph.D., 2000
  • The University of California Berkeley Structural Engineering Postdoctoral Appointment, 2000-2001
  • Licensed Professional Engineer in Civil Engineering California
  • Lehigh University, Civil Engineering Assistant Professor 2002-2007
  • Air Force Research Laboratory, Tyndall AFB, Visiting Professor Summer 2007
  • Lehigh University, Civil Engineering Associate Professor 2007-Present
  • Lehigh University, Civil Engineering Associate Chair 2011-Present

Recent Publications:

  1. Cao, L., Naito, C., "Design of Precast Diaphragm Chord Connections for In-Plane Tension Demands," ASCE Journal of Structural Engineering, Accepted for Publication June 2006.
  2. Naito, C., Parent, G., Brunn, G., "Ultimate Strength of Self Consolidating Concrete Bulb Tee Beams," Journal of the Precast/Prestressed Concrete Institute, Vol. 51, No. 6, Nov-Dec, 2006.
  3. Naito, C., Cetisli, F., "Accuracy and Improvements for Variable and Constant Confinement Concrete Models," American Concrete Institute Special Publication 238 International Symposium on Confined Concrete, Paper SP-238-10, Detroit, MI, Dec., 2006, p. 480.
  4. Naito, C., Wheaton, K. P., "Blast Assessment of Load Bearing Reinforced Concrete Shear Walls," ASCE Practice Periodical on Structural Design and Construction, Vol. 11, No. 2, May, 2006, pp. 112-121.
  5. Fleischman, R. B., Naito, C., Restrepo, J., Sause, R., Ghosh, S. K., Wan, G., Schoettler, M., Cao, L. "Precast Diaphragm Seismic Design Methodology (DSDM) Project, Part 2: Research Program," Journal of the Precast/Prestressed Concrete Institute, Vol. 50, No. 6, Nov.-Dec., 2005, pp. 14-31. (PCI Charles C. Zollman Award for 2006)
  6. Fleischman, R., Naito, C., Restrepo, J., Sause, R., Ghosh, S., "Precast Diaphragm Seismic Design Methodology (DSDM) Project, Part 1: Design Philosophy and Research Approach," Journal of the Precast/Prestressed Concrete Institute, Vol. 50, No. 5, Sept.-Oct., 2005, pp. 68-83. (PCI Charles C. Zollman Award for 2006)
  7. Naito, C., "Anchorage of Reinforced Concrete Parapets on GFRP Bridge Decks," ASCE Journal of Composites for Construction, Vol. 9, No. 3, May-June, 2005, pp. 247-254. (2005 ASCE Journal of Composites for Construction Best Paper Award: Honorable Mention Applied Research Paper)
  8. Zhang, Y., Sause, R., Ricles, J., Naito, C., "Modified Predictor-Corrector Numerical Scheme for Real-Time Pseudo Dynamic Rest Using State-Space Formulation, Journal of Earthquake Engineering and Structural Dynamics, Vol. 34, No. 3, Mar., 2005, pp. 271-288.
  9. Mosalam, K., Naito, C., Khaykina, S., "Bidirectional Cyclic Performance of Reinforced Concrete Bridge Column-Superstructure Subassemblies, Earthquake Spectra, Vol. 18, No. 4, Nov., 2002, pp. 663-687.
  10. Mosalam, K., Naito, C., "Seismic Evaluation of Gravity-Load-Designed Column-Grid System," ASCE Journal of Structural Engineering, Vol. 128, No. 2, Feb., 2002, pp. 160-168.
  11. Naito, C., Moehle, J., Mosalam, K., "Evaluation of Bridge Beam-Column Joints Under Simulated Seismic Loading," ACI Structural Journal, Vol. 99, No. 1, Jan., 2002, pp. 62-71.

Educational Responsibilities:
Class Information can be found on the: Lehigh Blackboard Website
Fall 2006: CE 365 Prestressed Concrete Design
Spring 2006: CE 467-43 Repair and Retrofit of Reinforced Concrete Structures
Spring 2006: CE 290 Structural/Geotechnical Capstone Design
Fall 2004/2005: CE 159 - Structural Analysis
Fall 2004/2005: Engineering 5: Introduction to Structural Engineering
Spring 2004/2005: CE 266 - Project Management
Fall 2003: CE 159 - Structural Analysis
Fall 2003: Engineering 5: Introduction to Structural Engineering
2003 Research Experience for Undergraduates at the ATLSS Center
2003 Natural Hazard Mitigation in Japan Program Mentor
Spring 2003: CE 266 - Project Management
Fall 2002: CE 159 - Structural Analysis
2002 Research Experience for Undergraduates at the ATLSS Center
Spring 2002: CE 160 - Structural Design 1

Doctoral Students
Patrick Trasborg
Payam Piran Aghl

MS Students
Xiang Li

Page Last Updated Monday, 15-Aug-2011 10:16:22 EDT