Many factors affect the amount of temperature-induced movement that occurs in a building and the extent to which this movement can occur before serious damage develops or extensive maintenance is required. In some cases joints are being omitted where they are needed, creating a risk of structural failures or causing unnecessary operations and maintenance costs. In other cases, expansion joints are being used where they are not required, increasing the initial cost of construction and creating space utilization problems. As of 1974, there were no nationally acceptable procedures for precise determination of the size and the location of expansion joints in buildings. Most designers and federal construction agencies individually adopted and developed guidelines based on experience and rough calculations leading to significant differences in the various guidelines used for locating and sizing expansion joints. In response to this complex problem, Expansion Joints in Buildings: Technical Report No. 65 provides federal agencies with practical procedures for evaluating the need for through-building expansion joints in structural framing systems. The report offers guidelines and criteria to standardize the practice of expansion joints in buildings and decrease problems associated with the misuse of expansions joints. Expansions Joints in Buildings: Technical Report No. 65 also makes notable recommendations concerning expansion, isolation, joints, and the manner in which they permit separate segments of the structural frame to expand and to contract in response to temperature fluctuations without adversely affecting the buildings structural integrity or serviceability.

Expansion Joints in Buildings: Technical Report No. 65

Science & Math

Division on Engineering and Physical Sciences

Federal Facilities Council

Building Research Advisory Board

Standing Committee on Structural Engineering of the Federal Construction Council

National, Research Council

History & Philosophy

National Academies Press

Panel on Water and Climate, Geophysics Study Committee, Geophysics Research Board, Commission on Physical Sciences, Mathematics, and Applications, Division on Engineering and Physical Sciences, National Research Council

Climate, Climatic Change, and Water Supply (Studies in Geophysics)

Business & Money

Commission on Physical Sciences, Mathematics, and Applications

Geophysics Study Committee

Geophysics Research Board

Panel on Water and Climate

Economics

Continental Tectonics (Studies in Geophysics)

Continental Tectonics (Study of Nuclear and Alternative Energy Systems: Supporting)

Assembly of Mathematical and Physical Sciences

Earth Sciences

Astronomy and Astrophysics for the 1980's, Volume 1: Report of the Astronomy Survey Committee

Astronomy Survey Committee

Astronomy & Space Science

Conservation of Historic Stone Buildings and Monuments

Commission on Engineering and Technical Systems

National Materials Advisory Board

Committee on Conservation of Historic Stone Buildings and Monuments

Technology

Astronomy and Astrophysics for the 1980's, Volume 2: Reports of the Panels

Safety of Existing Dams: Evaluation and Improvement

Written by civil engineers, dam safety officials, dam owners, geologists, hydraulic engineers, and risk analysts, this handbook is the first cooperative attempt to provide practical solutions to dam problems within the financial constraints faced by dam owners. It provides hands-on information for identifying and remedying common defects in concrete and masonry dams, embankment dams, reservoirs, and related structures. It also includes procedures for monitoring dams and collecting and analyzing data. Case histories demonstrate economical solutions to specific problems. Table of Contents <ul>
<li>Front Matter</li>
<li>INTRODUCTION</li>
<li>THE SAFETY OF DAMS</li>
<li>RISK-BASED DECISION ANALYSIS</li>
<li>HYDROLOGIC AND HYDRAULIC CONSIDERATIONS</li>
<li>GEOLOGIC AND SEISMOLOGICAL CONSIDERATIONS</li>
<li>CONCRETE AND MASONRY DAMS</li>
<li>EMBANKMENT DAMS</li>
<li>APPURTENANT STRUCTURES</li>
<li>RESERVOIR PROBLEMS</li>
<li>INSTRUMENTATION</li>
<li>RECOMMENDED GLOSSARY</li>
<li>APPENDIXES</li>
<li>APPENDIX A: BIOGRAPHICAL SKETCHES OF COMMITTEE MEMBERS</li>
<li>APPENDIX B: BIOGRAPHICAL SKETCHES OF WORKSHOP PARTICIPANTS</li>
<li>INDEX</li>
</ul>

Engineering & Transportation

Water Science and Technology Board

Committee on the Safety of Existing Dams

Engineering

Low-Altitude Wind Shear and Its Hazard to Aviation

Board on Atmospheric Sciences and Climate

Aeronautics and Space Engineering Board

Committee on Low-Altitude Wind Shear and Its Hazard to Aviation

Transportation

Oil in the Sea: Inputs, Fates, and Effects

This comprehensive volume follows up and expands on an earlier National Academy of Sciences book. It is the result of an intensive multidisciplinary effort to assess the problems relating to petroleum-derived hydrocarbons in the marine environment. Specifically, it examines the inputs, analytical methods, fates, and effects of petroleum in the marine environment. The section on effects has been expanded significantly, reflecting the extensive scientific effort put forth in determining the effects of petroleum on marine organisms. Other topics discussed include petroleum contamination in specific geographical areas, the potential hazards of this contamination to human health, the impact of oil-related activities in the northern Gulf of Mexico, and the potential impact of petroleum on fisheries.

Steering Committee for the Petroleum in the Marine Environment Update

In a giant step toward managing today's pollution problems more effectively, this report lays out a framework to coordinate an interdisciplinary and international investigation of the chemical composition and cycles of the troposphere. The approach includes geographical surveys, field measurements, the development of appropriate models, and improved instrumentation.

Global Tropospheric Chemistry: A Plan for Action

Mathematics and Resources

Commission on Physical Sciences

Global Tropospheric Chemistry Panel

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