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The San Fernando Earthquake. Soils and Geologic Investigations in Relation to Highway Damage

R. H. Prysock / J. P. Egan

The overall objective of the study is to develop recommendations concerning design and construction for minimizing distress of highway earthwork during future earthquakes. This report describes the effects of the San Fernando earthquake on freeway earthworks. Generally cut slope performance was good although three slides did occur in very large cuts. Two developed in the upper portions of the slopes and did not collapse completely. Embankments were susceptible to shear failure, subsidence caused by densification, spreading, and longitudinal and transverse cracks. Damage to fills caused by shear failure was considered minor although three slipouts did develop in very good material. Widespread settlement at bridge approaches occurred on all freeways surveyed for damage. (Author)

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The San Fernando Earthquake. Soils and Geologic Investigations in Relation to Highway Damage

R. H. Prysock / J. P. Egan

The overall objective of the study is to develop recommendations concerning design and construction for minimizing distress of highway earthwork during future earthquakes. This report describes the effects of the San Fernando earthquake on freeway earthworks. Generally cut slope performance was good although three slides did occur in very large cuts. Two developed in the upper portions of the slopes and did not collapse completely. Embankments were susceptible to shear failure, subsidence caused by densification, spreading, and longitudinal and transverse cracks. Damage to fills caused by shear failure was considered minor although three slipouts did develop in very good material. Widespread settlement at bridge approaches occurred on all freeways surveyed for damage. (Author)

The San Fernando Earthquake. Soils and Geologic Investigations in Relation to Highway Damage

R. H. Prysock / J. P. Egan

The overall objective of the study is to develop recommendations concerning design and construction for minimizing distress of highway earthwork during future earthquakes. This report describes the effects of the San Fernando earthquake on freeway earthworks. Generally cut slope performance was good although three slides did occur in very large cuts. Two developed in the upper portions of the slopes and did not collapse completely. Embankments were susceptible to shear failure, subsidence caused by densification, spreading, and longitudinal and transverse cracks. Damage to fills caused by shear failure was considered minor although three slipouts did develop in very good material. Widespread settlement at bridge approaches occurred on all freeways surveyed for damage. (Author)

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Title:

The San Fernando Earthquake. Soils and Geologic Investigations in Relation to Highway Damage

Contributors:

R. H. Prysock (author) / J. P. Egan (author)

Publication date:

1971

Size:

57 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Mineral Industries , Earthquakes , Highways , California , Damage , Earthwork , Earthquake resistant structures , Design , Performance , Failure , Embankments , Seismic waves , Cracks , Bridge foundations , Intensity , Pavement bases , Freeways , San Fernando Earthquake

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