Embankment Dams: James L. Sherard Contributions |
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Page 399
... filter Impervious Dam Core Very high gradient develops here after seal forms , on surface ab ( PathY ) Seal forms when surface ( ab ) plugs Filter face " Critical " downstream filter FIG . 1. - Sketch Showing Concentrated Leak Through ...
... filter Impervious Dam Core Very high gradient develops here after seal forms , on surface ab ( PathY ) Seal forms when surface ( ab ) plugs Filter face " Critical " downstream filter FIG . 1. - Sketch Showing Concentrated Leak Through ...
Page 417
... ( filter- drains ) in which a concentrated leak develops through the dam and exits on the downstream slope without passing through a filter ; and , • a number of dams with impervious sections consisting of coarse , broadly graded soil ...
... ( filter- drains ) in which a concentrated leak develops through the dam and exits on the downstream slope without passing through a filter ; and , • a number of dams with impervious sections consisting of coarse , broadly graded soil ...
Page 442
... downstream filters . This trend continued until the collars have been eliminated altogether . A common current ... filter . The fil- ter is often wrapped completely around the downstream portion of con- duits ; i.e. , underneath as well ...
... downstream filters . This trend continued until the collars have been eliminated altogether . A common current ... filter . The fil- ter is often wrapped completely around the downstream portion of con- duits ; i.e. , underneath as well ...
Contents
A REVIEW OF EXPERIENCE WITH ASPHALTIC CONCRETE IMPERVIOUS | 10 |
EARTHQUAKE CONSIDERATIONS IN EARTH DAM DESIGN | 30 |
PIPING IN EARTH DAMS OF DISPERSIVE CLAY | 55 |
Copyright | |
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Common terms and phrases
abutment active appeared asphaltic base believed caused CFRD coarse compacted completely concentrated leaks conclusion concrete conservative considerable considered construction core cracks crest damage developed differential dispersive clay displacement downstream earth earth dams earthquake embankment embankment dams Engineering eroded erosion existing experience face failure fault Figure filter fines flow foundation given gravel grout head hole horizontal hydraulic fracturing impervious important increased initial laboratory layer leakage less located lower material maximum measured meters nature needed observed occurred particles performance piezometers piping placed plasticity pore possible practice present probably problem range reasonable recent relatively reservoir resistance rock rockfill samples sand seal settlement Sherard shown shows silts similar slab slope soil specimen stress surface thickness tunnels upstream vertical walls water content water pressure width writer Zone