Results 21 to 30 of about 7,901 (298)

Evaluation of compressive capacity of helical pile resting in cohesionless soil [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering
Current research deals with the numerical investigation on the behavior of helical piles resting in cohesionless soil subjected to compressive load.
Jitendra Yadav   +2 more
doaj   +1 more source

Prediction of vertical bearing capacity of waveform micropile [PDF]

open access: yes, 2019
This study proposes a predictive equation for bearing capacity considering the behaviour characteristics of a waveform micropile that can enhance the bearing capacity of a conventional micropile.
Han, J.-T.   +3 more
core   +1 more source

Performance assessment of single and group of helical piles embedded in expansive soil

open access: yesInternational Journal of Geo-Engineering, 2017
The present work deals with helical piles that extensively used in foundations for structures subjected to both compressive and tensile forces. The behavior of square helical piles models (5 × 5) mm, embedded in expansive soil overlaying a layer of well ...
Bushra S. Albusoda, Hassan O. Abbase
doaj   +1 more source

Laboratory and field study of the performance of helical piles in sandy soil [PDF]

open access: yesJournal of Structural and Construction Engineering, 2016
Developing different method in construction of deep footing plays a major role in optimized and economized performing of civil projects especially in problematic soils.
Farhad Nabizadeh, Asskar Janalizadeh
doaj   +1 more source

Screw pile design optimisation under tension in sand [PDF]

open access: yes, 2019
Many applications in offshore engineering, such as floating or jacket-founded wind turbines or wave energy converters, require a significant uplift capacity of their foundations to be kept in place.
Brown, Michael   +4 more
core   +2 more sources

The Recycling Torque of a Single-Plate Helical Pile for Offshore Wind Turbines in Dense Sand

open access: yesApplied Sciences, 2019
The helical piles have been being treated as a kind of novel foundation for offshore wind turbines recently, due their fast installation, high uplift capacity, convenience for recycling, and other advantages.
Hongyan Ding   +5 more
doaj   +1 more source

Laboratory simulations of astrophysical jets and solar coronal loops: new results [PDF]

open access: yes, 2010
An experimental program underway at Caltech has produced plasmas where the shape is neither fixed by the vacuum chamber nor fixed by an external coil set, but instead is determined by self-organization.
Bellan, P. M.   +5 more
core   +1 more source

Large-diameter helical pile capacity – torque correlations [PDF]

open access: yesCanadian Geotechnical Journal, 2017
Large-diameter helical piles are utilized increasingly to support heavy structures. Both the magnitude of the required installation torque and the pile capacity can be directly attributed to the soil shearing resistance developed over the embedded area of the pile including the shaft and helical plates.
Harnish, Jared, El Naggar, M. Hesham
openaire   +1 more source

CHD pile performance, Part I:Physical modelling [PDF]

open access: yes, 2016
The Continuous Helical Displacement (CHD) pile is an auger displacement pile developed by Roger Bullivant Ltd in the UK. It has performance characteristics of both displacement and non-displacement piles due to the nature in which it is installed.
Bell A   +25 more
core   +2 more sources

Experimental Study on Configuration and Spacing of Screw Pile Group Effect Subjected to Lateral Cyclic Loading [PDF]

open access: yesE3S Web of Conferences, 2021
Despite the great development in the manufacture of the helical pile and the development of their use, especially in transmission towers and wind turbines, there is little research on their lateral behavior.
Ibrahim Azhar S.   +2 more
doaj   +1 more source

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