Title page for ETD etd-05152003-171138


Type of Document Master's Thesis
Author Jacobs V, William P.
Author's Email Address wjacobsv@vt.edu
URN etd-05152003-171138
Title Performance of Pressure Sensitive Adhesive Tapes In Wood Light-Frame Shear Walls
Degree Master of Science
Department Civil Engineering
Advisory Committee
Advisor Name Title
Dolan, James Daniel Committee Co-Chair
Ohanehi, Donatus C. Committee Co-Chair
Dillard, David A. Committee Member
Easterling, William Samuel Committee Member
Keywords
  • cyclic loading
  • pressure sensitive adhesive
  • wood adhesive
  • acrylic foam
  • shear wall
Date of Defense 2003-04-28
Availability unrestricted
Abstract
The performance of connections and full-scale shear walls constructed with acrylic foam pressure sensitive adhesive (PSA) tape is the focus of this thesis. The objectives of this study were first to investigate the bonding characteristics of adhesive tape to wood substrates and then to expand this investigation to cover adhesive-based shear walls subjected to high wind and seismic loadings. A total of 287 monotonic connection tests and 23 reversed cyclic wall tests were performed to achieve these objectives. Connection tests were performed in accordance with ASTM D 1761-88 (2000), and walls were tested using the CUREE (Consortium of Universities for Earthquake Engineering) general displacement-based protocol.

Variables investigated within the main study were the following: the use of OSB versus plywood sheathing, the effect of priming and surface sanding on adhesion, and the comparison of connections involving mechanical fasteners with those that utilized only adhesive tape or a combination of the two. It was found that an application pressure of 207 kPa (30 psi) or greater was needed to form a sound bond between the acrylic foam adhesive tape and a wood substrate. Properly bonded OSB and plywood connections provided fairly ductile failure modes. Full-scale walls constructed with adhesive tape performed similarly to traditional wall configurations, while walls constructed with a combination of adhesive tape and mechanical fasteners provided significant gains in strength and toughness. The results of this study serve to provide a foundation for expanding the engineering uses of acrylic foam adhesive tape for structural applications.

Files
  Filename       Size       Approximate Download Time (Hours:Minutes:Seconds) 
 
 28.8 Modem   56K Modem   ISDN (64 Kb)   ISDN (128 Kb)   Higher-speed Access 
  01_THESIS.pdf 6.08 Mb 00:28:08 00:14:28 00:12:39 00:06:19 00:00:32
  02_APPENDIXA.PDF 3.15 Mb 00:14:35 00:07:30 00:06:34 00:03:17 00:00:16
  03_APPENDIXB.PDF 18.76 Mb 01:26:51 00:44:40 00:39:05 00:19:32 00:01:40
  04_VITA.pdf 60.58 Kb 00:00:16 00:00:08 00:00:07 00:00:03 < 00:00:01
  shear.avi 1.23 Mb 00:05:41 00:02:55 00:02:33 00:01:16 00:00:06

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