- Author
- Yokel, F. Y. | Tucker, R. L. | Reese, L. C.
- Title
- Soil Classification for Construction Practice in Shallow Trenching.
- Coporate
- National Bureau of Standards, Washington, DC Texas Univ., Austin
- Sponsor
- Occupational Safety and Health Administration, Washington,
- Report
- NBSIR 79-1945, December 1979,
- Distribution
- Available from National Technical Information Service
- Keywords
- braced excavations; construction; excavation; geotechnical engineering; retaining structures; shoring; slope stability; soil classifications; soil pressure; soil testing; trenching
- Abstract
- Construction practices in trenching and data on potential causes of trenching accidents are reviewed. A study is made of the soil properties and site conditions that must be identified in order to determine the stability of shored and sloped excavations against cave-ins. Two possible alternate soil classification methods are recommended. The methods are simple enough to be used by construction foreman and at the same time use parameters which can be measured or identified without ambiguity. The classification methods are supplemented by appropriate field tests and correlated with allowable side slopes and lateral soil pressures on shoring.