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Gromala, David S.

Works: 13 works in 39 publications in 1 language and 780 library holdings
Genres: Conference papers and proceedings 
Roles: Author
Classifications: TA419, 691.1
Publication Timeline
Publications about David S Gromala
Publications by David S Gromala
Most widely held works by David S Gromala
Roof connections in houses : key to wind resistance by Harold W Conner( Book )
3 editions published between 1988 and 1991 in English and held by 103 libraries worldwide
Wood as a structural material by Pennsylvania State University( Book )
4 editions published between 1980 and 1982 in English and held by 97 libraries worldwide
Light-frame wall systems : performance and predictability by David S Gromala( Book )
8 editions published in 1983 in English and held by 83 libraries worldwide
Conventional analysis methods seriously underestimate the strength and stiffness of light-frame wall systems. To better predict the strength and stiffness of these systems, a finite element based computer program, FINWALL, has been developed at Oregon State University (OSU). Previous testing at OSU during model development can now be augmented by the tests described in this paper to provide additional model verification. Test results are presented for 10 walls loaded under a constant axial and uniform increasing lateral load to failure. Failure loads ranged from 88 to 130 pounds per square foot (lb/sq ft) of lateral load, corresponding to about 4 to 6 times design load. Average stud deflections at a common design load of 20 lb/sq ft were 0.09 to 0.21 inch (span/deflection ratio average = 600). Predicted performance, based on the computer model, is compared with test results. Average strength and deflection are predicted at 1.10 and 1.06 times test values, respectively. Model sensitivity to stud failure deflections and problems with load application during some of the tests added considerable variability to the model predictions. Potential applications of the model to codes and standards are discussed
Performance of a Press-Lam bridge : a 5-year load-testing and monitoring program by David S Gromala( Book )
5 editions published in 1985 in English and held by 80 libraries worldwide
Racking strength of walls : let-in corner bracing, sheet materials, and effect of loading rate by Roger L Tuomi( Book )
6 editions published between 1977 and 1983 in English and held by 79 libraries worldwide
Theoretical and actual racking strength of panels sheathed with fiberboard were closely correlated. Also the dispersion or variability in the data was within normal limits expected for wood-base material. The equations for computing racking strength are independent of panel size, so both simple lateral nall tests and small-scale racking tests could augment the more expensive full-size panel tests. The actual performance of let-in corner braces, without the horizontal board sheathing, is well below the 5,200-pound level cited in the Federal Housing Administration Technical Circular No. 12. Although the strength and stiffness of the brace are important, a level is reached where the stud frame controls ultimate strength. The rate of loading does affect ultimate load for both lateral nall and racking tests. Results of this study, which indicated an 8 to 9 percent increase in strength with a tenfold increase in speed, agree with past studies on the effect of loading rate on strength of wood and wood-base materials
Design, fabrication, testing, and installation of a Press-Lam bridge by John Youngquist( Book )
2 editions published in 1979 in English and held by 30 libraries worldwide
Parallel laminated veneer (PLV) products are manufactured by adhesive bonding of rotary-peeled veneer. It has been estimated that a production line PLV process could convert green logs into a finished structural laminate in less than an hour. Press-Lam, a PLV product under investigation at the U.S. Forest Products Laboratory, has exhibited decreases in variability of mechanical properties and increases in chemical preservative penetration and retention when compared to solid-sawn lumber. A prototype highway bridge constructed entirely of Press-Lam has been erected by the Virginia Department of Highways and Transportation. This bridge was field tested to its AASHTO HS-20 design load. Preliminary allowable stresses were determined by data obtained from destructive laboratory tests on 18 full-scale stringers and 6 sections of decking made from Douglas-fir Press-Lam. In the face of dwindling supplies of large structural timbers, PLV products are attractive alternatives for exposed structural applications. (Author)
Hardwood Press-Lam crossties : processing and performance by John L Tschernitz( Book )
3 editions published in 1979 in English and held by 30 libraries worldwide
Crossties were made by the Press-Lam process, in which logs are peeled into veneers, dried, and glued into billets in a continuous procedure. Billets were made from 8.5-foot-long veneers and from 4-foot-long veneers, cut into final product dimensions, and treated with preservative. In laboratory tests, bending strength and stiffness of the Press-Lam ties were found to exceed those of solid-sawn red oak crossties; shear strength was only adequate. Tie wear tests showed low surface wear for laminated ties, comparable to the performance of solid specimens. Results of spike driving tests, however, indicated problems in some species. All Press-Lam ties met the performance criteria in the cyclic delamination tests, and, in lateral resistance tests, Press-Lam ties were not significantly different from solid-sawn ties. Volume yields are discussed and cost estimates are provided for use in calculating total tie costs for specific cases
Natural hazards and sustainability for residential buildings ( Book )
3 editions published in 2010 in English and held by 10 libraries worldwide
WCTE 2006 : 9th World Conference on Timber Engineering, August 6-10, 2006, Portland, OR, USA : program and abstracts by World Conference on Timber Engineering( Book )
1 edition published in 2006 in English and held by 2 libraries worldwide
Proceedings, papers and abstracts from the 2006 conference in Portland
Evaluation of lumber properties in the United States and their application to structural research by W. L Galligan( Book )
1 edition published in 1980 in English and held by 1 library worldwide
Press-Lam timbers for exposed structures by John Youngquist( Book )
1 edition published in 1978 in English and held by 1 library worldwide
WCTE 2006 : 9th World conference on timber engineering, August 6-10, 2006 Portland, OR, USA ( Book )
1 edition published in 2006 in English and held by 1 library worldwide
Calculating apparent reliability of wood scaffold planks by David S Gromala( Book )
1 edition published in 1983 in English and held by 0 libraries worldwide
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Alternative Names
Gromala, D. S. (David S.)
English (39)
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