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Earthquakes and Structures
  Volume 16, Number 4, April 2019, pages 455-468
DOI: http://dx.doi.org/10.12989/eas.2019.16.4.455
 


Behavior of full-scale prestressed pile-deck connections for wharves under cyclic loading
Carlos A. Blandon, Christopher J. Krier and Jose I. Restrepo

 
Abstract
    The behavior of pile-deck connections of pile-supported marginal wharfs subjected to earthquake loading is of key importance to ensure a good performance of this type of structures. Two precast-pretensioned pile-deck connections used in the construction of pile-supported marginal wharfs were tested under cyclic loading. The first is a connection with simple reinforcement details and light steel ratio developed for use where moderate pile-deck rotation demands are expected in the wharf. The second is specifically developed to sustain the large rotation, shear force and bending moment demands, as required for the shortest piles in a marginal wharf. Data obtained from the test program is used in the paper to calibrate an equivalent plastic hinge length that can be incorporated into nonlinear analysis models of these structures when prestressed pile-deck connections with duct embedded dowels are used.
 
Key Words
    marine structures; performance-based seismic design; prestressed piles; pile-deck connection; seismic design; testing; wharves
 
Address
Carlos A. Blandon: Department of Civil Engineering, EIA University, Km 2 +200 Variante Aeropuerto. JMC, Envigado, Colombia
Christopher J. Krier: NV5, 2650 18th Street, Suite 202, Denver, Colorado 80211, USA
Jose I. Restrepo: Department of Civil Engineering, University of California San Diego, 9500 Gilman Dr, La Jolla, CA 92093, USA
 

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