Masonry Magazine August 1983 Page. 22
MASONRY RESEARCH
# 4.0 PROPOSAL
The proposal should include research into the following areas:
I STRUCTURAL
The extent of the structural investigation should include tests of typical brick veneer-metal stud wall sections subjected to simulated wind pressure and suction loading. The response of the test specimen to static pressure applied over the face of the exterior veneer followed by static suction in the opposite direction at increasing load increments should be determined. The typical wall sections which should be modeled after actual field design and practice should include plain veneer walls as well as wall sections that include window openings.
The investigation should include the effects of rotational and translational restraint at the top and bottom of the brick veneer and of metal stud backup. The investigation should also include the effect of differences in vertical span lengths between the veneer and backup and load-deflection characteristics of the ties connecting the veneer and backup.
•Water Penetration
One of the obvious concerns with the masonry veneer/steel stud wall system has been the "non-performance" of walls via the entry of water and moisture both into the system and to the interior. For this reason the water tightness of the system should be measured in accordance with standard test procedures (ASTM E-514), both before testing and at each increment of test load. It would be desirable to perform the water permeance test while the specimen is actually under loaded conditions. The information desired is the effect on water permeance of various levels of loading or deflection.
II CORROSION
Research should investigate the effects of corrosion on the metallic components of the system due to water penetration through the veneer. This includes the effect of moisture on anchors, ties, studs and channel supports. Consideration should be given to:
• Effectiveness of galvanizing before fabrication.
Interruption of corrosion protection due to cutting of surfaces for installation.
Effect of penetration of fasteners.
Effect of field welding.
• Effect of corrosive environment on metal parts in contact with mortar. cement, etc.
In addition, the research should also include the effects of condensation within the cavity of the wall system and how it relates to corrosion. The overall objective of this portion of the research shall be to predict the useful life expectancy of the metallic parts and its effect on overall wall performance.
The research should include the entire request package; that is, structural (including water permeance) and corrosion, but will be considered if only a portion of the request is proposed. In order to provide a complete proposal. the research may be joint ventured.
# 5.0 CONTENTS OF PROPOSAL
1. Identification of the problem.
2. Specific research objectives.
3. Research plan to meet the objectives."
4. Anticipated results: their utilization and benefits.
5. Qualifications of the principal investigator and other key personnel.
6. Reporting procedure.
7. Estimated total cost and period of performance.
*The researchers reports must provide detailed descriptions of all testing rigs and loading procedures. In addition to test procedures and loading information, continuous monitoring of strains, cracks, deflection, displacements, and other physical changes is desirable along with the recording of all information at the occurance of the significant deviation. Presentation of all raw data is required also with the above information. In addition, an analytical interaction study of the various data and their relative importance is desirable.
# 6.0 REVIEW AND FUNDING
All proposals received from this request will be reviewed for compliance and responsiveness by a subcommittee of the Masonry Research Foundation's Advisory Council.
If the Council endorses the project. the Foundation may provide any of several levels of support. These are:
1. Fund the project in its entirety from Foundation funds.
2. Provide partial funds and assist in securing the remainder from other sources.
3. Provide no funds, but assist in securing funding from other sources.
# 7.0 DEADLINE
All proposals must be submitted to the Masonry Research Foundation, 815 Fifteenth Street, N.W., Washington. D.C. 20005, to the attention of Mrs. Doris Lackey by September 20, 1983.
A Note on Theft
In a recently completed study on employee theft, the University of Minnesota found that in construction and manufacturing some 21% of employees take home raw materials or components, 4% do so once a month or more, and 17% take home tools and equipment.
Lack of security planning by management was the underlying factor for these figures, said the researchers.
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22 MASONRY-JULY/AUGUST, 1983