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Title: Importance of rigid-body motions on a single-degree-of-freedom model
Authors: United States. Defense Nuclear Agency.
Hall, Robert L.
Keywords: Rigid body motion
Soil-structure interaction
Soil mechanics
Underground construction
Underground bunkers
Blast effects
Mathematical models
Single-degree-of-freedom model
Publisher: Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; SL-87-27.
Description: Technical Report
Abstract: The study presents the effect of rigid-body motion on the single-degree-of-freedom (SDOF) model presently used for dynamic analyses of buried roof slabs. The effect of rigid-body motion is incorporated by adding a second degree of freedom to the model. Relative displacements between the roof and the structure are given for comparison. The results indicate that at overpressures required to cause severe damage to a relatively hard, shallow-buried structure, rigid-body motion will have little effect on the damage predicted from an SDOF analysis.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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