Abstract Stabilizing pile is a kind of underground structure, in which the crack initiation on the pile shaft is more dangerous than the crack on the interior concrete structure. A crack discriminant in displacement form was deduced by introducing the subgrade reaction method and reinforced concrete theory, in which the head displacement of stabilizing pile was the main parameter. Therefore, the head displacement of stabilizing pile in critical state of cracking (critical head displacement) can be obtained according to the crack discriminant. Subsequently, the predicting crack initiation in stabilizing pile could be achieved by comparing measured head displacement with critical head displacement of the stabilizing pile. The crack discriminant was tested and verified in Hongyan landslide project, Zhejiang province, China. Based on the field measurements at Hongyan landslide project, some stabilizing piles were critically stressed to initiate the crack.
A theoretical method to predict crack initiation in stabilizing piles
KSCE Journal of Civil Engineering ; 18 , 5 ; 1332-1341
2014-05-20
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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