OREGON STATE UNIVERSITY

Rakesh Gupta Publications

Refereed Publications

92.  Walker, K., Miller, T.H., Gupta, R, Shariati, A., Schumacher, T.     2016   Development of Virtual Visual Sensors Applications to Wood Structural Health Monitoring, Journal of Testing and Materials (ASTM), (accepted)

91.  Kirkham, W., Miller, T.H. and Gupta, R.   2015   Practical Analysis for Horizontal Diaphragm Design of Wood-Frame Single Family Dwellings. Practice Periodical on Structural Design and Construction, 04015005-1 to 13.

90. Rodriguez-Nikla, T., Gupta, R., Kramer, A., and Sinha, A. 2013 Seismic Laboratory Testing of Energy-Efficient, Staggered-Stud, Wood-Framed Shear Walls. J. of Structural Engineering (Special Issue on Sustainable Building Structures), 141(3), B4014003-1 to 8

89. Kirkham, W., Miller, T.H. and Gupta, R. 2013 Effects of Roof Pitch and Gypsum Ceilings on the Behavior of Wood Roof Diaphragms. Journal of Performance of Constructed Facilities, 29(1):04014039-1 to 9

88. Linton, D. Gupta, R., Cox, D. and van de Lindt 2013 Load Distribution in Light-Frame Wood Buildings under Simulated Tsunami Loads. Journal of Performance of Constructed Facilities, 29(1):04014030-1 to 8

87. Malone, B., Miller, T.H. and Gupta, R. 2014. Gravity and wind load path analysis of a light-frame and a traditional timber frame building. Journal of Architectural Engineering, 20(4): B4013001-1 to 10

86. Malone, B., Gupta, R., Miller, T.H., and Puettmann, M. 2014. Environmental impact assessment of light-frame and timber frame buildings. J. of Green Building, 9(2):102-123.

85. Kirkham, W., Miller, T.H. and Gupta, R. 2014 State of the art seismic behavior of wood-frame residential structures. J of Structural Engineering, 140(4):04013097-1 to 19.

84. Pfretzschner, K., Gupta, R. and Miller, T.H. 2014 Practical Modeling for Load Paths in a Realistic, Light-Frame Wood House. J. of Performance of Constructed Facilities, 28(3):430-439.

83. Park, S., van de Lindt, J.W., Cox, D. and Gupta, R. 2014 Concept of Community Fragilities for Tsunami Coastal Inundation Studies. Natural Hazards Review (ASCE), 14(4):220-228.

82. Lucksiri, K., Miller, T.H. and Gupta, R., Pei, S. and van de Lindt, J.W. 2013 Implementation of Plan Irregularity Rapid Visual Screening Tool for Wood-Frame, Single-Family Dwellings. J. of Earthquake Engineering (Taylor and Francis), 17(4):497-516.

81. Polocoser, T., Gupta, R. and Miller, T.H. 2013 Evaluation of Remediation Techniques for Circular Holes in the Webs of Wood I-Joists. J. Materials in Civil Engineering, 25(12):1898-1909.

80. Linton, D., Gupta, R., Cox, D., van de Lindt, J.W., Oshnack, M.E., Clauson, M. 2013 Evaluation of Tsunami Loads on Wood-Frame Walls at Full Scale. Journal of Structural Engineering (NEES Special Issue), 139(8):1318-1325 .

79. Sinha, A., Gupta, R. and Kutnar, A. 2013 Sustainable development and green buildings. Drvna Indstrija. 64(1):45-53

78. van de Lindt, J.W., Pei, S., Dao, T., Graettinger, A., Prevatt, D.O., Gupta, R. and Coulbourne, W. 2013 Dual-Objective-Based Tornado Design Philosophy. J. Structural Engineering, 139(2):251-263

77. Sinha, A., Voigt, L., Gupta, R. and Miller, T.H. 2012 Neutral axis of full size lumber with multiple knots. Advances in Civil Engineering Materials (ASTM), 1(1):15 pages. Page Count: 15, Paper ID: ACEM20120007,
DOI: 10.1520/ACEM20120007

76. Sinha, A. Nairn, J. and Gupta, R. 2012 The effect of elevated temperature exposures on the fracture toughness of solid wood and structural wood composites. Wood Science and Technology, 46(6):1127-1149.

75. Prevatt, D., van de Lindt, J., Back, E., Graettinger, A., Pei, S., Coulbourne, W., Gupta, R., James, D., and Agdas, D. 2012. Making the Case for Improved Structural Design: Tornado Outbreaks of 2011. Leadership Manage. Eng. (ASCE), 12(4):254–270.

74. Park, S., van de Lindt, J.W., Gupta, R. and Cox, D. 2012 Method to determine the locations of tsunami vertical evacuation shelters. Natural Hazards: Journal of the international Society for the Prevention and Mitigation of Natural Hazards, 63(2):891-908.

73. Gupta, R. and Sinha, A. 2012 Effect of Grain Angle on Shear Strength of Douglas-fir Wood. Holzfurschung, 66(5): 655-658.

72. Davis, P., Gupta, R. and Sinha, A. 2012 Revisiting the Neutral Axis in Wood Beams. Holzfurschung, 66(4): 497-503.

71. Park, S., van de Lindt, J.W., Cox, D., Gupta, R. and Aguiniga, F. 2012 Successive earthquake-tsunami analysis to develop collapse fragilities. Journal of Earthquake Engineering, Journal of Earthquake Engineering, 16(6):851-863.

70. Leijten, A.J.M., Franke. S., Quenneville, P. and Gupta, R. 2012 Bearing Strength Capacity of Continuous Supported Timber Beams:  Unified approach for test methods and structural design codes. Journal of Structural Engineering, 138(2):266-272.

69. Basta, C., Gupta, R., Leichti, R.J. and Sinha, A. 2012 Applications of perpendicular-to-grain compression behavior in real wood construction assemblies. Wood and Fiber Science, 44(2):155-167.

68. van de Lindt, J.W., Gupta, R., Pei, S., Tachibana, K., Araki, Y. Rammer, D and Isoda, H. 2/2012 Damage Assessment of a Full-Scale, Six-Story, Wood-frame Building Following Triaxial Shake Table Tests. Journal of Performance of Constructed Facilities, 26(1):17-25.

67. Lucksiri, K., Miller, T.H., Gupta, R., Pei, S. and van de Lindt, J.W. 2/2012 Effect of Plan Configuration on Seismic Performance of Single-Story Wood-Frame Dwellings. Natural Hazards Review, 13(1):24-33.

66. Dao, T.N., van de Lindt, J.W., Prevatt, D.O. and Gupta, R. 2012 Probabilistic Procedure for Wood-frame Roof Sheathing Panel Debris Impact to Windows in Hurricanes. Engineering Structures, 35:178-187.

65. Lucksiri, K., Miller, T.H., Gupta, R., Pei, S. and van de Lindt, J.W. 2012 A Procedure for Rapid Visual Screening for Seismic Safety of Wood-Frame Dwellings with Plan Irregularity. Engineering Structures, 36:351–359

64. Basta, C., Gupta, R., Leichti, R.J. and Sinha, A. 2011 Characterizing perpendicular-to-grain compression (C⊥) behavior in wood construction. Holzforschung, Vol. 65(6):845-853.

63. Martin, K.G., Gupta, R. Prevatt, D.O., Datin, P. and van de Lindt J. 2011 Modeling System Effects and Structural Load Paths in a Wood-Framed Structure. Journal of Architectural Engineering (Special issue on residential construction), 17(4):1-12

62. Goodall, S. I. and Gupta, R. 2011 Improving the performance of gypsum wallboard in wood frame shear walls. Journal of Performance of Constructed Facilities, 25(4):287-298.

61. Sinha, A. Gupta, R. and Nairn, J. 2011Thermal Degradation of Lateral Yield Strength of Nailed Wood Connections. J. of Materials in Civil Engineering, 23(6):812-822.

60. Sinha, A. Nairn, J. and Gupta, R. 2011 Thermal Degradation of Bending Strength of Plywood and Oriented Strand Board: A Kinetics Approach. Wood Science and Technology, 45(2):315-330.

59. Sinha, A. Gupta, R. and Nairn, J. 2011 Thermal degradation of bending properties of structural wood and wood-based composites. Holzforschung, 65(2):221–229.

58. Mensah, A.F., Datin, P.L., Prevatt, D.O., Gupta, R. and van de Lindt, J.W. 2010 Database-assisted design methodology to predict wind-induced structural behavior of a light-framed wood building. Engineering Structures, 33(2):674-684.

57. White, K.B.D., Miller, T.H. and Gupta, R. 2010 Effects of Dead Load and Multiple Earthquake Loadings on Seismic Performance of Wood-Frame Shear Walls. Forest Products Journal, 60(2):150-156.

56. Betts S.C., Miller, T.H. and Gupta, R. 2010 Location of neutral axis in wood beams – a preliminary study. Wood Materials Science and Engineering, 5(3):173-180

55. van de Lindt, J., Gupta, R., Cox, D. T. and Wilson, J. 2009 Wave Impact Study on a Residential Building. Journal of Disaster Research, 4(6):419-426.

54. Oshnack, M.B., Aguiniga, F., Cox, D, Gupta, R., van de Lindt, J. 2009 Effectiveness of Small Onshore Seawalls in Reducing Tsunami Forces Induced by Tsunami Bore: Large Scale Experimental Study. Journal of Disaster Research, 4(6):382-390.

53. White, K.B.D., Miller, T.H. and Gupta, R. 2009 Seismic performance testing of partially and fully anchored wood-frame shear walls. Wood and Fiber Science, 41(4):396-413.

52. Wilson, J., Gupta, R., van de Lindt, J. Clauson, M. and Garcia, R. 2009 Behavior of a one-sixth scale wood-framed residential structure under wave loading. J. of Performance of Constructed Facilities, 23(5):336-345.

51. van de Lindt, J., Gupta, R., Garcia, R. and Wilson, J. 2009 Tsunami bore forces on a compliant residential building model. Engineering Structures, 31(2009):2534-2539.

50. Seaders, P., Miller, T.H. and Gupta, R. 2009 Performance of partially and fully anchored wood frame shear walls under earthquake loads. Forest Products Journal, 59(5), 42-52.

49. Lewis, M.C., Gupta, R. and Miller, T.H. 2009 Performance of wood frame wall with ECC shear panel. Practice Periodical on Structural Design and Construction, 14(3):123-129.

48. van de Lindt, J.W., Li, Y., Bulleit, W.M., Gupta, R. amd Morris, P.I. 2009 The Next Step for AF&PA/ASCE 16: Performance-Based Design of Wood Structures. Journal of Structural Engineering, 135(6):611-618.

47. Sinha, A. and Gupta, R. 2009 Strain Distribution in OSB and GWB in Wood-Frame Shear Walls. Journal of Structural Engineering, 135(6):666-675

46. Jayawickrama, K.J.S., Ye, T.Z., Gupta, R. and Cherry, M.L. 2009. Including Wood Stiffness in Tree Improvement of Coastal Douglas-fir in the US Pacific Northwest: A Literature Review and Synthesis. Research Contribution 50, Forest Research Laboratory, College of Forestry, Oregon State University, Corvallis, OR

45. Seaders, P., Gupta, R. and Miller, T.H. 2009 Monotonic and cyclic load testing of partially and fully anchored wood-frame shear walls. Wood and Fiber Science, 41(2):145-156.

44. Gupta, R. and Limkatanyoo, P. 2008 Practical Approach to Designing Wood Roof Truss Assemblies. Practice Periodical on Structural Design and Construction, 13(3):135-146.

43. Baxter, P., Miller, T.H. and Gupta, R. 2007 Seismic Screening, Evaluation, Rehabilitation and Design Provisions for Wood-Framed Structures. Practice Periodical on Structural Design and Construction, 12(4):200-209.

42. van de Lindt, J. W., Graettinger, A.J., Gupta, R., Skaggs, T.D., Pryor, S.E. and Fridley, K.J. 2007 Performance of Wood-Frame Structures during Hurricane Katrina. Journal of Performance of Constructed Facilities, 21(2):108-116.

41. van de Lindt, J. W. and Gupta, R. 2006 Damage and Damage Prediction for Wood Shearwalls Subjected to Simulated Earthquake Loads. Journal of Performance of Constructed Facilities, 20(2):176-184.

40. Gupta, R. and Siller, T. 2005c. A comparison of the shear strength of structural composite lumber using torsion and shear block tests. Forest Products Journal, 55(12):29-34.

39. Gupta, R. 2005. System behavior of wood truss assemblies. Progress in Structural Engineering and Materials, 7(4):183-193.

38. Gupta, R., Kittel, M.R. and Miller, T.H. 2005. Small-scale modeling of metal-plate-connected wood truss joints. Journal of Testing and Evaluation, 33(3):139-149.

37. Lebeda, D., Gupta, R., Rosowsky, D. and Dolan, J.D. 2005. The effect of hold-down misplacement on the strength and stiffness of wood shear walls. Practice Periodical on Structural Design and Construction, 10(2):79-87.

36. Gupta, R. and Siller, T. 2005b. Shear strength of structural composite lumber using torsion tests. Journal of Testing and Evaluation, 33(2):110-117.

35. Gupta, R. and Siller T. 2005a. Stress distribution in structural composite lumber under torsion. Forest Products Journal, 55(2):51-56.

34. Gupta, R., Basta, C., and Kent, S.M. 2004. Effect of knots on longitudinal shear strength of Douglas-fir using shear blocks. Forest Products Journal, 54(11):77-83.

33. Gupta, R., Miller, and T.H. Freilinger, S.M.W. 2004. Cyclic performance of metal-plate-connected wood truss joints. Structural Engineering and Mechanics - An International Journal 17(5):627-639.

32. Gupta, R., Miller, T.H. and Redlinger, M.J. 2004. Behavior of metal-plate-connected wood truss joints under wind and impact loads. Forest Products Journal, 54(3):76-84.

31. Langlois, J., Gupta, R. and Miller, T.H. 2004. Effects of reference displacement and damage accumulation in wood shear walls. Journal of Structural Engineering, 130(3):470-479.

30. Gupta, R., Miller, T.H. and Dung, D. 2004. Practical solution to wood truss assembly design problems. Practice Periodical on Structural Design and Construction, 9(12):54-60.

29. Gupta, R. and Wagner, B. 2002. Effect of metal connector plates on the bending strength of solid sawn lumber and LVL: A pilot study. Forest Products Journal, 52(10):71-74.

28. Gupta, R., Heck, L.R. and Miller, T.H. 2002a. Experimental evaluation of the torsion test for determining shear strength of structural lumber. Journal of Testing and Evaluation, 30(4):283-290.

27. Gupta, R., Heck, L.R. and Miller, T.H. 2002b. Finite-element analysis of the stress distribution in a torsion test of full-size, structural lumber. Journal of Testing and Evaluation, 30(4):291-302.

26. Li, Z., Gupta, R. and Miller, T.H. 1998. Practical approach to modeling of wood truss roof assemblies. Practice periodical on structural design and construction 3(3):119-124..

25. Morrell, J.J., Gupta, R., Winandy, J.E. and Riyanto, D.S. 1998. Effect of incising and preservative treatment on shear strength of nominal 2-inch lumber. Wood and Fiber Science 30(4):374-381.

24. Riyanto, D.S. and Gupta, R. 1998. Comparative test methods for evaluating shear strength of structural lumber. Forest Products Journal 48(2):83-90.

23. Kent, S.M., Gupta, R. and Miller, T.H. 1997. Dynamic behavior of metal-plate-connected wood truss joints. Journal of Structural Engineering 123(8):1037-1045..

22. Vatovec, M., Gupta, R., Miller, T.H. and Lewis, S. 1997. Modeling of metal-plate-connected wood truss joints: Part II: Application to overall truss model. Transactions of the American Society of Agricultural Engineers 40(6):1667-1675.

21. Ethington, R.L., Gupta, R. and Green, D.W. 1997. Visual stress grades of dahurian larch lumber. Forest Products Journal 47(1):89-96.

20. Shen, Y. and Gupta, R. 1997. Evaluation of creep behavior of structural lumber in a natural environment. Forest Products Journal 46(9):89-93.

19. Gupta, R. and Vatovec, M. 1996. Evaluation of dahurian larch in mechanical connections. Forest Products Journal 46(9):89-93.

18. Gupta, R., Ethington, R.L. and Green, D.W. 1996. Mechanical stress grading of dahurian larch structural lumber. Forest Products Journal 47(7/8):79-86.

17. Riyanto, D.S. and Gupta, R. 1996. Effect of ring angle on shear strength parallel to the grain of wood. Forest Products Journal 46(7/8):87-92.

16. Vatovec, M., Miller, T.H. and Gupta, R. 1996. Modeling of metal-plate-connected wood truss joints. Transactions of the American Society of Agricultural Engineers 39(3):1101-1111.

15. Gupta, R., Vatovec, M. and Miller, T.H. 1996. Metal-plate-connected wood truss joints: A literature review. Research Contribution 13, Forest Research Laboratory, Oregon State University, Corvallis, Oregon.

14. Vatovec, M., Gupta, R. and Miller, T.H. 1996. Testing and evaluation of metal-plate-connected wood truss joints. Journal of Testing and Evaluation 24(2):63-72.

13. Milota, M.R. and Gupta, R. 1996. Moisture meter correction factors for dahurian larch from the Russian Far East. Forest Products Journal 46(6):91-93.

12. Gupta, R. and Ethington, R.L. 1996. General physical characteristics of dahurian larch (Larix dahurica) from the Russian far east. Forest Products Journal 46(4):90-93.

11. Ethington, R.L., Eskelsen, V. and Gupta, R. 1996. Relationship between compression strength perpendicular to grain and ring orientation. Forest Products Journal 46(1):84-86.

10. Gupta, R. 1994. Metal plate connected tension joints under different loading conditions. Wood and Fiber Science 26(2):212-222.

9. Gupta, R. 1992. Testing apparatus for metal-plate-connected wood-truss joints. Wood Design Focus 3(2):3-5.

8. Gupta, R., and Gebremedhin, K.G. 1992. Resistance distributions of a metal-plate-connected wood truss. Forest Products Journal 42(7/8):11-16.

7. Gupta, R., Gebremedhin, K.G. and Grigoriu, M.G. 1992. Characterizing the strength of wood truss joints. Trans. of American Society of Agricultural Engineers 35(4):1286-1290.

6. Gupta, R., Gebremedhin, K.G. and Cooke, R.J. 1992. Analysis of metal-plate-connected wood trusses with semi-rigid joints. Transactions of the ASAE 35(3):1011-1018.

5. Gupta, R. and Gebremedhin, K.G. 1990. Destructive testing of metal-plate-connected wood truss joints. Journal of Structural Engineering 116(7):1971-1982.

4. Gebremedhin, K.G., Jagdale, S.S. and Gupta, R. 1989. An expert system for optimizing computer aided design of post frame buildings. American Soc. of Agric. Engineers 5(3):447-452.

3. Gupta, R. and Reitsma, S.Y. 1989 Cow teat hysteresis as affected by the time of measurement. Canadian Agricultural Engineering, 31(2): 153-157.

2. Gupta, R. and Reitsma, S.Y. 1987 Measurement and analysis techniques for hysteresis of the dairy cows' teats. Canadian Agricultural Engineering, 29(1):51-57

1. Gupta, R. and Reitsma, S.Y. 1986 Hysteresis of the dairy cows' teat as affected by vacuum level rates of changes. Canadian Agricultural Engineering, 28(2):149-153

 

Outreach Publications

Gupta, R. 2006 Katrina: Wood-frame damage assessment - Preliminary Observations. STRUCTURE Magazine, January 2006, pp20.

Gupta, R. and Gopu, V. 2005. Wood engineering education--Trends and challenges. Proc. of the Structures Congress (April 20-24, 2005; New York City, New York, SEI/ASCE, Reston, Virginia.

Gupta, R. 2005. Stop knocking on wood and get real--Become a complete structural engineer. STRUCTURE Magazine, March 2005, pp. 16-17.

Testa, B.M. and Gupta, R. 2004. Ivory towers - the status of wood design education in American universities. Engineered Wood Journal (APA - The Engineered Wood Association), Spring 2004:20-22.

Gupta, R. and Miller, T.H. 2000. Up on the roof--researchers study system effects in wood truss assemblies. Resource--Engineering and Technology for a sustainable World (ASAE Publication), 7 (11):9-10.

 

Student Theses

33. Walker Kristopher.  2015  Use of Virtual Visual Sensors in the determination of natural frequencies of timber structuresfor structural health monitoring. M.S. Thesis

32. Kirkham William J.  2013  Estimation of lateral stiffness and strength of pitched roof diaphragms with implications for seismic design. Ph.D. Thesis

31. Malone, Brian P.  2013  Light frame versus timber: A study in quantifying the differences.  M.S.Thesis

30. Pfretzschner, Kate  2012   Practical Modeling for load paths in a realistic, light frame house.   M.S.Thesis

29. Polocoser, Toby 2012  Evaluation of Remediation Techniques for Circular Holes in the Webs of Wood I-Joists. M.S.Thesis

28. Kraisorn Lucksiri 2012  Development of Rapid Visual Screening Tool for Seismic Evaluation of Wood-Frame Dwellings. Ph.D. Thesis

27. Linton, David 2012 Tsunami Loading on Light-Frame Wood Structures. M.S. Thesis

26. Sinha, A. 2010 The Effect of Elevated Temperature on Mechanical Behavior of Structural Wood and Wood-based Composites. Ph.D. Thesis

25. Goodall, S.I. 2010 Optimizing the Performance of Gypsum Wall Board in Wood Frame Shear Walls. M.S. Thesis

24. Martin, G. K. 2010 Evaluation of System Effects and Structural Load Paths in a Wood-Framed Structure. M.S. Thesis

23. Rathi, V.M. 2009 Bending property enhancement of wood strand composite using viscoelastic thermal compression. MS Thesis

22. Wilson, J. 2008. Behavior of a 1/6th Scale, Two-Story, Wood Framed Residential Structure Under Surge Wave Loading. M.S. Thesis

21. Lewis, M. 2008. Performance of Wood Frame Wall with Thin Shell ECC Shear Panel. M.S. Thesis

20. Sinha, A. 2007 Strain Distribution in OSB and GWB in Wood Frame Shear Walls. M.S. Thesis

19. Basta, C. 2005. Characterizing Perpendicular-to-Grain Compression in Wood Construction Applications. M.S. Thesis.

18. White, K. 2005. The Performance of Wood-Frame Shear Walls Under Earthquake Loads. M.S. Thesis.

17. Seaders, P. 2004. Performance of partially and fully anchored wood frame shear walls under monotonic, cyclic, and earthquake loads. M.S. Thesis.

16. Limkatanyoo, P. 2003. System behavior of three-dimensional wood truss assemblies. M.S. Thesis.

15. Baxter, P. 2004. Comparison of screening, evaluation, rehabilitation and design provisions for wood-framed structures. M.S. Thesis.

14. Lebeda, D.J. 2002. Behavior of wood shear walls with misplaced holdowns. M.S. Thesis.

13. Tjahyadi, A. 2002. Slotted-bolted friction damper as a seismic energy dissipator in a braced timber frame. M.S. Thesis.

12. Siller, T.S. 2002. Evaluation of the torsion test as a method to determine the shear strength of structural composite lumber. M.S. Thesis.

11. Langlois, J.D. 2002. Effects of reference displacement and damage accumulation in wood shear walls subjected to the CUREE protocol. M.S. Thesis.

10. Dung, D. 1999. A practical method to analyze the system effects of a metal-plate-connected truss assembly. M.S. Thesis.

9. Kittel, M.R. 1997. Small-scale modeling of metal-plate-connected wood joints. M.S. Thesis.

8. Freilinger, S.M. 1998. Short-term duration of load and cyclic performance of metal-plate-connected truss joints. M.S. Thesis.

7. Redlinger, M.J. 1998. Behavior of metal-plate-connected wood truss joints under wind and impact loads. M.S. Thesis.

6. Heck, L.R. 1997. Evaluation of the torsion test for determining the shear strength of structural lumber. M.S. Thesis.

5. Li, Z. 1996. A practical approach to model the behavior of a metal-plate-connected wood truss system. M.S. Thesis.

4. Riyanto, D.S. 1996. Comparative test methods for evaluating shear strength of structural lumber. M.S. Thesis.

3. Shen, Y. 1995. Evaluation of creep behavior of structural lumber in a natural environment. M.S. Thesis.

2. Kent, S.M. 1995. Dynamic behavior of metal-plate-connected wood truss joints. M.S. Thesis.

1. Vatovec, M. 1995. Analytical and experimental investigation of the behavior of metal-plate-connected wood truss joints. Ph.D. Thesis.

 

Other

Wood Engineering Challenges in the New Millennium - Critical Research Needs. Editor: Vijaya K.A. Gopu, Assistant Editors: Rakesh Gupta and John van de Lindt. Proceedings of the Pre-Congress Workshop Offered in Conjunction with the SEI / ASCE Strucutres Congress 2008, April 23-24, Vancouver, BC, Canada.