Failure of a Cast-In-Place Unreinforced Concrete Conduit

JC Chang - Transportation Research Record, 1975 - trid.trb.org
JC Chang
Transportation Research Record, 1975trid.trb.org
A case history of the failure of a 72-in.(183-cm) cast-in-place, unreinforced concrete conduit
constructed near the toe of a highway embankment is described. Theoretical analysis was
conducted to predict the behavior of the conduit. It was concluded that the conduit had failed
primarily because of the additional lateral load exerted by a 70-ft-high (21.3-m)
embankment. The effectiveness of the theoretical analysis was demonstrated by using
actual conduit failure.
A case history of the failure of a 72-in.(183-cm) cast-in-place, unreinforced concrete conduit constructed near the toe of a highway embankment is described. Theoretical analysis was conducted to predict the behavior of the conduit. It was concluded that the conduit had failed primarily because of the additional lateral load exerted by a 70-ft-high (21.3-m) embankment. The effectiveness of the theoretical analysis was demonstrated by using actual conduit failure.
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