A Local Design Method for Pile Foundations

Abstract

The work at hand attempts to propose a local pile design method based on pile load test results for a reference site. Such LPDM is simply based on the identification of three dimensionless quantities, such as the capacity ratio CR, the stiffness ratio SR, and the group settlement ratio Rs. To prove the LPDM reliability, experimental data collected during years in the Neapolitan area (Italy) have been used to obtain the abovementioned coefficients. Then, LPDM has been applied, as a preliminary design method, to three well-documented case histories applying capacity and settlement-based design (CBD and SBD) approaches. The satisfactory agreement between the geometry in the original design of piles and the one obtained by applying the LPDM proves that the proposed methodology may be very helpful for preliminary design, allowing for reasonable accuracy while requiring few hand calculations.

Displacement Monitoring during the Excavation and Support of Deep Foundation Pit in Complex Environment

“…As a foundation pit supporting structure, the pile-anchor structure has been widely used in practical engineering [7][8][9][10]. It can make rational use of the soil's own characteristics, give full play to the mutual bonding between soil and pile-anchor structure, and have the advantages of rapid construction and low cost [11,12]. With the continuous development of urban construction and excavation equipment, the scale of foundation pit engineering is developing towards a larger and deeper direction [13,14].…”

Deformation Control Method of the Antislide Pile under Trapezoidal Load in the Zhangjiawan Landslide

“…Several recent studies examined the mechanism of pile deformation. e deformation behavior of piles is related to the section shape and slenderness ratio of piles [4,5]. Antislide piles were used to control floor heave in the roadway project.…”