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When simulating the response of buildings on piled foundations due to ground vibration, the coupling conditions between the piles, the soil and the building structure may have an important effect on the results. In this paper, the significance of the coupling conditions between the piles and the soil, as well as the interaction assumptions adopted to ...
Conto Quispe, Kenny Fernando +3 more
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Outdoor Test of a Prefabricated Column–Pile Cap–Pile System Under Combined Vertical and Lateral Loads [PDF]
Journal of Bridge Engineering, 2020 An outdoor test was conducted on a prefabricated column–pile cap–pile system at a cohesive soil site. The half-scale test unit consisted of a precast bridge column, a precast pile cap, and eight steel piles. The components were connected utilizing socket
Sri Sritharan, Zhao Cheng
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Pile Cap-Pile Group-Soil Interaction
Journal of the Structural Division, 1981A numerical procedure based on the finite element method is proposed for the analysis of structural systems composed of beam-column (pile), plate (cap) and nonlinear springs (soil). It integrates one-and two-dimensional idealizations for these components in order to obtain an approximation to the three-dimensional problem.
Chandrakant S. Desai +2 more
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The Problem of Pile Group–Pile Cap Interaction
Géotechnique, 1971Synopsis The Paper presents an elastic analysis of two problems concerning the interaction with the supporting ground of an arbitrarily spaced group of piles, embedded in a smooth ground contacting pile cap of any shape, namely the load displacement behaviour of the system and the load distribution between the piles in the group and the cap.
R. Butterfield, P.K. Banerjee
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Deep Pile Cap with Tension Piles
SP-273: Further Examples for the Design of Structural Concrete with Strut-and-Tie Models, 2010Deep pile-caps are commonly used in structures. Two approaches, sectional design and Strut-and-Tie Model (STM) design are presented in this paper for designing deep pile-caps under a combination of axial load, shear, and moment that produces tension in some piles.
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Interaction of Piles and Cap In Piled Footings
Journal of the Geotechnical Engineering Division, 1980This note describes a laboratory-scale experimental investigation undertaken to study how the separate ultimate bearing capacities of pile groups and footings (caps) are related to the resulting bearing capacities of the piled footings formed as a combination of group and cap.
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Effects of Pile Cap in Single Pile and Lateral Capacity of Pile Group
Advances in Deep Foundations, 2005This paper describes the results for a numerical analysis of single piles and pile groups in clayey soils subjected to monotonous lateral loading using the ABAQUS finite element software. The investigated variables in this study include free head and embedded capped single piles, pile diameter (1.0 m, 0.5 m), pile length (7.0 m, 10.0 m), and pile ...
Jeff Budiman, Kwangkuk Ahn
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Behavior of a Nine-Pile Group with and without a Pile Cap
Contemporary Topics in In Situ Testing, Analysis, and Reliability of Foundations, 2009The lateral load-displacement behavior of a pile group is a function of the number of piles and their individual stiffnesses, the non-linear response of surrounding soils, and pile spacing. The load-displacement behavior of pile groups also depends upon the degree of pile head restraint provided by the cap and the associated frame action provided by ...
Travis M. Gerber, Kyle M. Rollins
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Integrity Testing of Three Model Piles with a Pile Cap
Journal of Testing and Evaluation, 2018Abstract Nondestructive pile integrity testing (PIT) methods based on the propagation of sonic/ultrasonic waves have been widely used for the quality assurance of newly constructed drilled shafts. However, application of these techniques for forensic investigations of existing piles may encounter difficulties that are due to the ...
Jiunnren Lai +2 more
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