Optimization of inter-helix spacing for helical piles in sand
Journal of Rock Mechanics and Geotechnical Engineering, 2022 The optimization of the inter-helix spacing is a key issue of the axial bearing capacity of helical piles. In this paper, based on the cavity expansion, an analytical approach considering the small-strain stiffness, strength, compressibility and stress ...
Kang Shao +5 more
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The thermal behaviour of three different auger pressure grouted piles used as heat exchangers [PDF]
, 2014 Three auger pressure grouted (APG) test piles were constructed at a site in Richmond, Texas. The piles were each equipped with two U-loops of heat transfer pipes so that they could function as pile heat exchangers.
Brettmann, T +11 more
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The Influence of the Shaft on the Uplift Capacity of Single-Plate Helical Pile in Clay
Journal of Marine Science and Engineering, 2023 Helical piles with small sizes are widely used in traditional civil engineering infrastructure application, especially in onshore electrical power industry. The floating offshore wind power industry has taken an interest in helical piles because of their
Le Wang, Hongzhen Chen, Yinghui Tian
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Numerical Modelling of Axially Loaded Helical Piles: Compressive Resistance [PDF]
E3S Web of Conferences, 2021 Helical piles are foundation systems used to support compression, tension, and lateral loads. However, this type of piles was used around the world for more than 25 years. Its behavior, especially in Iraq, is still unknown and scare. The present study is
Ali Ahmed. S. +2 more
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The Performance of Helical Pile under Cyclic Load Using 3D-Finite Element Analysis [PDF]
Engineering and Technology Journal, 2022 Helical piles are a kind of foundation that can withstand compression, tension, and lateral stresses. However, this kind of pile was utilized extensively globally for almost 25 years. Its behavior, particularly in Iraq, is uncertain and frightening.
Ahmed Ali, Nahla Salim, Husam Baqir
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Use of Pile Driving Analysis for Assessment of Axial Load Capacity of Piles [PDF]
, 2012 Driven piles are commonly used in foundation engineering. Pile driving formulae, which directly relate the pile set per blow to the capacity of the pile, are commonly used to decide whether an installed pile will have the designed capacity.
Salgado, Rodrigo, Zhang, Yanbei
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Temperature response functions (G-functions) for single pile heat exchangers [PDF]
, 2013 Foundation piles used as heat exchangers as part of a ground energy system have the potential to reduce energy use and carbon dioxide emissions from new buildings. However, current design approaches for pile heat exchangers are based on methods developed
Loveridge, F.A. +3 more
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The Recycling Torque of a Single-Plate Helical Pile for Offshore Wind Turbines in Dense Sand
Applied 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
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G-Functions for multiple interacting pile heat exchangers [PDF]
, 2014 Pile heat exchangers – where heat transfer pipes are cast into the building piled foundations – offer an opportunity to use ground energy systems without the additional construction costs related to the provision of special purpose heat exchangers ...
Loveridge, F.A. +3 more
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Laboratory and field study of the performance of helical piles in sandy soil [PDF]
Journal 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
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