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Model study of rock foundation problems underneath concrete gravity dam

Roberts, A.

Effect of various alternative structural details in dam foundations; foundation beds at site consisted of beds of limestone and friable brown lignite together with marl which became unconsolidated when wet; two dimensional study was made on one side of models constructed using photoelastic sheet, and observation by reflection polariscope at various conditions of load; rock bolts were found to act as passive reinforcement during normal loading conditions and only became active strengthening elements when slip between dam and foundation beds actually began; tendons were found to be effective form of reinforcement giving higher "coefficient of safety" than either extension key or rock bolts.

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Model study of rock foundation problems underneath concrete gravity dam

Roberts, A.

Effect of various alternative structural details in dam foundations; foundation beds at site consisted of beds of limestone and friable brown lignite together with marl which became unconsolidated when wet; two dimensional study was made on one side of models constructed using photoelastic sheet, and observation by reflection polariscope at various conditions of load; rock bolts were found to act as passive reinforcement during normal loading conditions and only became active strengthening elements when slip between dam and foundation beds actually began; tendons were found to be effective form of reinforcement giving higher "coefficient of safety" than either extension key or rock bolts.

Model study of rock foundation problems underneath concrete gravity dam

Roberts, A.

Effect of various alternative structural details in dam foundations; foundation beds at site consisted of beds of limestone and friable brown lignite together with marl which became unconsolidated when wet; two dimensional study was made on one side of models constructed using photoelastic sheet, and observation by reflection polariscope at various conditions of load; rock bolts were found to act as passive reinforcement during normal loading conditions and only became active strengthening elements when slip between dam and foundation beds actually began; tendons were found to be effective form of reinforcement giving higher "coefficient of safety" than either extension key or rock bolts.

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Title:

Model study of rock foundation problems underneath concrete gravity dam

Additional title:

Eng Geology

Contributors:

Roberts, A. (author)

Published in:

Engineering Geology ; 1

Publication date:

1966

Size:

24 pages

DOI:

https://doi.org/10.1016/0013-7952(66)90001-9

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

© Metadata Copyright Elsevier B. V. All rights reserved.

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