CUREe-Caltech Wood Frame CUREe-Caltech Wood Frame ProjectProjectTask 1.4.2 – Diaphragm StudiesTask 1.4.2 – Diaphragm Studies

J. Daniel Dolan - Prof. of Wood Eng.W. Samuel Easterling – Assoc. Prof. of C.E.J. Wescott Bott – Research Associate

January 11-12 Researchers Meeting, University of California at San Diego

Task 1.4.2 – Diaphragm StudiesTask 1.4.2 – Diaphragm Studies

Current Progress and Tasks

– Conducting Finite Element Analysis of Proposed Test Specimens Using WallSeiz

– Test Results Are Being Used To ValidateThe FEM Results

– FEM Will Be Used To Interpolate/ExtrapolateExperimental Results

January 11-12 Researchers Meeting, University of California at San Diego

Task 1.4.2 – Diaphragm StudiesTask 1.4.2 – Diaphragm Studies

Current Progress and Tasks

– All Materials Have Been Donated or Purchased

– Adhesive Application Machine And Materials Are On Hand

– Need to Build a Temporary Enclosure for Test Area

January 11-12 Researchers Meeting, University of California at San Diego

Task 1.4.2 – Diaphragm StudiesTask 1.4.2 – Diaphragm Studies

Currently Testing First Specimen

– Equivalent Specimen to That Used in the UCSD Shake Table Tests

– Test Results are Comparable for Configurations Tested

January 11-12 Researchers Meeting, University of California at San Diego

Task 1.4.2 – Diaphragm StudiesTask 1.4.2 – Diaphragm Studies

PLAN VIEW OF TEST SETUP : 16' X 20' DIAPHRAGM(Loaded parallel to direction of joists)

Actuator

Load Cell

Load Cell

3" x 5" Steel Tube

Concrete Back Wall

Lag Screws

Steel Channel(C6 x 10.5)

20'

16'

January 11-12 Researchers Meeting, University of California at San Diego

January 11-12 Researchers Meeting, University of California at San Diego

January 11-12 Researchers Meeting, University of California at San Diego

January 11-12 Researchers Meeting, University of California at San Diego

January 11-12 Researchers Meeting, University of California at San Diego

Task 1.4.2 – Diaphragm StudiesTask 1.4.2 – Diaphragm Studies

PLAN VIEW OF TEST SETUP : 10' X 40' DIAPHRAGM(Loaded parallel to direction of joists)

Actuator

Load Cell

3" x 5" Steel Tube

Concrete Back Wall

Lag Screws

Steel Channel(C6 x 10.5)

40'

10'

Load Cell

January 11-12 Researchers Meeting, University of California at San Diego

Task 1.4.2 – Diaphragm StudiesTask 1.4.2 – Diaphragm Studies

Experimental Tests Should be Complete by February 28, 2001

Draft Report Expected March 30, 2001

January 11-12 Researchers Meeting, University of California at San Diego

Questions/Questions/Comments?Comments?

January 11-12 Researchers Meeting, University of California at San Diego