2012
DOI: 10.1016/j.rser.2012.02.062
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Understanding the temperature-induced mechanical behaviour of energy pile foundations

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Cited by 113 publications
(51 citation statements)
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“…The 3D model contains two domains (Figure 3a): the soil and the concrete pile, which contains a line heat source mimicking the PE-X pipe (Figure 3c). The model dimensions were established following the suggestions by Suryatriyastuti et al (2012): lateral extension 25B, being B = 0.3 m (pile side), and vertical height for the soil volume 2L, being L = 15 m (pile length). A quarter of the domain has been simulated taking advantage of symmetries ( Figure 3b).…”
Section: Finite Element Model Characteristicsmentioning
confidence: 99%
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“…The 3D model contains two domains (Figure 3a): the soil and the concrete pile, which contains a line heat source mimicking the PE-X pipe (Figure 3c). The model dimensions were established following the suggestions by Suryatriyastuti et al (2012): lateral extension 25B, being B = 0.3 m (pile side), and vertical height for the soil volume 2L, being L = 15 m (pile length). A quarter of the domain has been simulated taking advantage of symmetries ( Figure 3b).…”
Section: Finite Element Model Characteristicsmentioning
confidence: 99%
“…No interface elements between the pile and the soil have been considered, allowing a perfect contact between them. This has been considered a conservative scenario since Suryatriyastuti et al (2012) andHassani Nezhad Gashti et al (2014) reported that simulated thermal stresses are larger in perfect contact. The finite element model uses a mesh with 34,505 tetrahedral elements, more refined around the pile and it gets coarser with distance (Figure 3a).…”
Section: Finite Element Model Characteristicsmentioning
confidence: 99%
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“…The primary merit of the EP is its dual functions as building structural component and heat exchanger. Moreover, concrete is regarded as an idea heat transfer intermediate owing to its good thermal conductivity and thermal storage capacity [8,9]. Studies have shown that GSHP with the EP system can save up to 75% of energy for building space heating and cooling compared to the conventional air conditioning system [1][2][3].…”
Section: Introductionmentioning
confidence: 99%
“…Modeling the FPGHE with spiral coils is complex and existing studies concentrated on the numerical or experimental methods. Suryatriyastuti carried out a 3-D numerical heat transfer analysis on the energy pile under the constant heat load case (Suryatriyastuti, et al 2012). Xiang built a numerical model includes a 1-D transient convection-diffusion submodel for the fluid domain and a 1-D transient diffusion submodel for the solid domain (Xiang, et al 2015).…”
Section: Introductionmentioning
confidence: 99%