A Comprehensive Database of Tests on Axially Loaded Piles by Zhongxuan Yang, Richard Jardine, Wangbo Guo, Fiona Chow

By Zhongxuan Yang, Richard Jardine, Wangbo Guo, Fiona Chow

A complete Database of assessments on Axially Loaded pushed Piles in Sands stories the severe have to enhance higher load-test databases for piles pushed in sands. the most important caliber parameters, inhabitants of present entries and reporting codecs are defined prior to supplying initial effects acquired from comparisons among axial capacities calculated via a variety of predictive methods and placement measurements. This booklet additionally indicates that the "simplified" and "offshore" ICP and UWA versions proposed by way of a few practitioners are over-conservative and that their use will be discontinued. the recent pile means and stiffness database deals a extensive scope for comparing power prediction biases in terms of quite a lot of soil and pile parameters. Submission of extra top of the range assessments for inclusion in on a regular basis up-to-date models is encouraged.

  • Presents a accomplished and up-to-date database for piles pushed in predominantly silica sands
  • Features experiences of the layout methods for pushed piles in sand
  • Assesses the functionality of assorted mainstreams layout tactics utilized for piles pushed in sand
  • Provides entire info of case histories of pile load tests

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Extra resources for A Comprehensive Database of Tests on Axially Loaded Piles Driven in Sand

Example text

3) where ΔLp is the increment of soil plug length, and Δz is the increment of the pile penetration. Ideally, IFR should be recorded during driving. 4) where Di has the unit of meter (m). FFR is the average value of IFR recorded over the last 3D of pile penetration. 3 Interface Shearing Angle δf The constant volume (ultimate) interface shearing angle δf used in ICP-05 and UWA-05 or their simplified versions is a key parameter that can vary with sand grain size, shape, and mineral type as well as the hardness and roughness of the pile surface.

In total, 52 sites and 116 pile load tests are involved in this appendix. The appendix comprises of three parts: new data entries, accepted ICP data, and accepted UWA data. 2). For each site, a CPT qc profile will be given along with the information of site name, location, soil type, water table depth, pile type, number of pile load tests, and some comments. The pile load test information includes the load–displacement curve if available, pile type and material, pile dimensional parameters, installation method, setup time, loading mode, failure capacities, etc.

This booklet presents an updated database for piles driven in predominantly silica sands, drawing in new data entries from the team’s own projects, the literature and from acknowledged communication with other research groups worldwide. It sets out the background and analytical approach along with a substantial appendix that details each of the assembled tests and its site conditions. The new database adds a 70% increment to the population of high-quality pile load tests that meet the criteria set to test capacity and stiffness design methods.

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