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Your search keyword '"Zimmerman, R. B."' showing total 5 results
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5 results on '"Zimmerman, R. B."'

3. Numerical modeling of CLT diaphragms tested on a shake-table experiment

Author

Barbosa, A. R., Rodrigues, L., Sinha, A., Higgins, C., Zimmerman, R. B., Breneman, S., Pei, S., Lindt, J., Berman, J., Mcdonnell, E., Branco, J. M., Luis Neves, and Universidade do Minho

Subjects
Diaphragms, Numerical modelling, Shake table, CLT, Seismic response
Abstract

Current standards and existing literature provide very limited information regarding the design of cross-laminated timber (CLT) floor diaphragms. In addition, limited procedures exist to develop analytical models to estimate the deformation response of CLT floor diaphragms. This paper presents a modelling approach that captures the response of CLT timber diaphragms, with a special focus on CLT spline panel-to-panel connections. The modeling approach is validated through the comparison of the results of the computation model with experimental data obtained from a series of shake-tables test performed on a two-story full-scale building tested in the summer of 2017 at UC San Diego Large High Performance Outdoor Shake Table. The two-story building included two diaphragm designs at each floor level. The first solution consists of CLT panels connected with plywood surface splines that are fastened using self-tapping screws, while the second consists of a CLT-concrete composite floor solution. Results from the nonlinear pushover analysis describe accurately the experimental data obtained., (undefined)

4. What Can We Do About Spelling? A Progress Report.

Author

Zimmerman, R. B.

Subjects
SPELLING ability, EDUCATIONAL tests & measurements, SCHOOL children, LANGUAGE arts, EDUCATION, TEACHERS
Abstract

The article focuses on different ways and means to improve spelling instruction. The concern about spelling is reinforced by the results of standardized tests which have been given over a period of years. The Language Arts Curriculum Committee, which is one of six voluntary general curriculum committees, decided to see what could be done about the problem. Some of the following were mentioned as possible contributing causes of poor spelling instruction--poor and inadequate format spelling program, the routinized use of a formal spelling program, insufficient time for teaching spelling, not enough attention to spelling in everyday writing situations and words taught are of no immediate use to pupils. In attacking the spelling problem the Committee determined to try a number of approaches. In one case, four different formal spelling programs were selected for the study and comparison, in grades two through eight in ten different schools. The most difficult problem is that of evaluating the effectiveness of the various approaches and methods that are being used. Teachers have been encouraged to try out any ideas they might have for evaluating results.

Published
1954

5. Childhood depression: new theoretical formulations and implications for foster care services.

Author

Zimmerman RB

Subjects
Adolescent, Child, Child Abuse psychology, Depressive Disorder rehabilitation, Female, Humans, Internal-External Control, Male, Depressive Disorder psychology, Foster Home Care psychology, Helplessness, Learned psychology
Abstract

The current emphasis on permanency planning should not derail traditional concern about helping foster children to grow developmentally while in care. This concern coincides with the importance of enabling foster children, who frequently manifest symptoms of childhood depression, to overcome the learned helplessness that is so often a feature of depression. This kind of treatment may be called social care, and is inherent in daily living, as guided by trained foster parents and caretakers.

Published
1988

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