Analysis of Partially Uplifted Base Mats

by Jgi-Jiang Shiau, Sr. Struct. Engr.; Bechtel Power Corporation, Los Angeles, Calif.,

Serial Information: Journal of the Energy Division, 1979, Vol. 105, Issue 1, Pg. 9-13

Document Type: Journal Paper


This is a systematic method of analyzing a partially uplifted base mat on an elastic foundation, without removing tensile soil springs. The initial system stiffness matrix is used throughout the operation. The method becomes beneficial and important when the size of the system stiffness matrix of a finite element model is relatively large and many loading conditions cause the mat to be uplifted partially in different ways. The generalized equilibrium equations can be incorporated with general structural analysis computer programs, such as STRUDL, SAP, etc.

Subject Headings: Finite element method | Elastic analysis | Soil analysis | Materials engineering | Uplifting behavior | Elastic foundations | Stiffening | Matrix (mathematics)

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