A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Application of a Three-Dimensional Finite Element Analysis for the Design of a Large Underground Intersection
This report describes research undertaken to develop a reliable analytical tool for the optimum design of underground intersections. The study examines the interaction between the rock medium and the structural support system and the physical phenomena that occur during excavation. The numerical approach used to predict the performance of the designed structure is strongly influenced by the procedures of empirical approaches, in which the load-carrying capabilities of the rock are recognized. This tool is verified when the results of a two-dimensional numerical model are compared to the measured deformations at a Washington, DC subway station. The optimization of the computational effort needed for a three-dimensional finite element analysis simulating the excavation process at the intersection is delineated. While the use of this model will result in additional design costs, the total construction cost using the proposed design procedure is only one-third the cost of the construction by conventional means.
Application of a Three-Dimensional Finite Element Analysis for the Design of a Large Underground Intersection
This report describes research undertaken to develop a reliable analytical tool for the optimum design of underground intersections. The study examines the interaction between the rock medium and the structural support system and the physical phenomena that occur during excavation. The numerical approach used to predict the performance of the designed structure is strongly influenced by the procedures of empirical approaches, in which the load-carrying capabilities of the rock are recognized. This tool is verified when the results of a two-dimensional numerical model are compared to the measured deformations at a Washington, DC subway station. The optimization of the computational effort needed for a three-dimensional finite element analysis simulating the excavation process at the intersection is delineated. While the use of this model will result in additional design costs, the total construction cost using the proposed design procedure is only one-third the cost of the construction by conventional means.
Application of a Three-Dimensional Finite Element Analysis for the Design of a Large Underground Intersection
B. Dendrou (author)
1981
395 pages
Report
No indication
English
Civil Engineering , Subsurface structures , Intersections , Structural design , Underground supporting , Concrete construction , Tunnel linings , Design criteria , Finite element analysis , Subways , Metropolitan areas , District of Columbia , Maryland , Virginia , Computer programs , Construction costs , Shotcrete , Bethesda(Maryland)
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