Y-shaped piles are a new type of pile whose cross-section is like the letter Y: they often used in ground improvement for road or train subgrades eastern coastal region China. To investigate bearing behaviour saturated sand, series model tests under compressive and horizontal load piles, C 1 </msub...

Pressure-grouted helical pile (PGHP) is an innovative piling system that allows a significant increase in capacity with relatively low additional cost. The constructed by applying pressurized grout during the installation of conventional piles. injected into ground through two nozzles welded to hollow shaft. This paper presents comprehensive laboratory study investigate effect three different n...

Abstract For the design of a deep foundation, piles are presumed to transfer axial and lateral loads into ground. However, effects combined generally ignored in engineering practice since there uncertainties precise definition soil–pile interactions. Hence, for technical discussions interactions due dynamic loads, three-dimensional finite element model was developed evaluate soil pile performan...

The integrity of cast-in-place foundation piles is a major concern in geotechnical engineering. In this study, distributed fibre optic sensing (DFOS) cables, embedded in a pile during concreting, are used to measure the changes in concrete curing temperature profile to infer concrete cover thickness through modelling of heat transfer processes within the concrete and adjacent ground. A field tr...

The control centers of wind power plants are usually located in coastal tidal flat areas. A thick fill should be placed at the original ground level to ensure that design elevation is maintained above water table. However, filling would cause a long-term settlement and further lead development negative skin friction (NSF) pile foundations for centers. CPTU tests were conducted calibrate soil pr...

Many high-rise buildings and bridges in the worlds are constructed using bored pile. To provide a safe design of this type deep foundation, high-quality soil data needed which normally obtained from laboratory testing. However, contractor consultant often conduct only limited field testing without performing tests. As result, capacity pile may deviate real value. This study aims to develop fram...

Three-dimensional model is established with finite difference method to simulate construction process based on design and construction plans of existing overpass pile foundation adjacent to certain large-section railway tunnel in Chengdu, China. Ground, isolation pile, main bridge pier and ramp pile near the tunnel are taken as research object, and surface settlement amount, displacement change...

Expansive soils are recognized by their swelling potential upon wetting due to the existence of some clay minerals such as montmorillonite. An effective solution was found avoid danger using piles. A single pile embedded in an elasto-plastic expansive soil has been analyzed one available software which is ABAQUS investigate effect applied loads on pile’s top and load carrying capacity pile. The...

In this paper, the analysis of a numerical study for consolidation short bored pile subjected to axial loads is presented. An short-bored performed using finite element software Abaqus CAE with base procured experimental data in sand media and comparative on Ansys FEA. Three models combination footing system were developed by application incremental load which displacement upon each was analyze...

in soft soil areas, equal-length piles are often adopted in the retaining system. a decrease in the bending moment value borne by the retaining structure along the pile depth (below the excavation bottom), leads to an inadequate use of the pile bending capacity near the pile bottom. this paper presents retaining systems with long and short pile combinations, in which the long piles ensure integ...