Abstract
ABSTRACT Pretensioned centrifugal spun concrete piles with steel strands have been developed to improve the seismic performance of precast-prestressed concrete hollow piles. In this paper, two pile specimens with reinforced concrete infilling were fabricated, and lateral cyclic loading tests were conducted. A finite element model is developed to predict the hysteretic characteristics of core-filled pile specimens. The results show that reinforced concrete infilling improves the cracking pattern and failure mode of piles. Core-filled piles exhibit better structural stability and higher deformability than hollow piles. Reinforced concrete infilling enhances the lateral load-carrying capacity and deformability more significantly than plain concrete infilling.
Published Version
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