energy foundations and other thermo-active ground

Geothermal Geotechnics for Urban Undergrounds

Energy foundations contain closed coils of plastic piping through which a heat carrier fluid is pumped that exchanges energy from a building with the ground. The same principle is used for other thermo-active elements like energy walls (retaining walls, basement

Energy Piles : Background and Geotechnical Engineering Concepts

Advantages of Thermo-active Foundations Environmentally-friendly, with relatively little power demand Help reduce fossil fuel demand, decreasing CO 2 emissions Low maintenance and long lifetime Installation in foundation permits heat exchange system to

Thermal Behaviour under Service Loads of a Thermo

Energy piles (thermo-active piles or geothermal piles) are foundations with double usefulness: to support the loads of the building and to serve as a heat exchanger with the ground. The geothermal use of pile foundations is a useful, efficient and cost effective

Design and performance of energy pile foundations —

Energy piles are thermo-active ground structures that utilize reinforced concrete foundation piles as vertical closed-loop heat exchangers. From a commercial point of view, potential customers are reluctant to purchase the technology due to a lack of documentation of the long-term structural and thermal performance of energy foundations.

Energy foundations and other thermo

Energy foundations and other thermo-active ground structures, energy wells, and pavement heating represent an innovative technology that contributes to environmental protection and provides substantial long-term cost savings and minimised maintenance. The

Energy Piles Contribution on a Green Building Context

[1] D. Adam and R. Markiewicz, Energy from earth-coupled structures, foundations, tunnels and sewers. Gotechnique, vol 59 (3), 2009, pp. 229-236. [2] H. Brandl, Energy foundations and other thermo active ground structures, Geotechnique

Performance of Thermoactive Foundations for

Based on the validated numerical solution, thermal response factors for a thermo-active foundation are developed, and implemented into a detailed building energy simulation program. These thermal response factors are then used to estimate the impact of installing thermo-active foundations on the total energy use of typical office buildings in representative US climates.

Thermal Behaviour under Service Loads of a Thermo

Energy piles (thermo-active piles or geothermal piles) are foundations with double usefulness: to support the loads of the building and to serve as a heat exchanger with the ground. The geothermal use of pile foundations is a useful, efficient and cost effective

Heat transfer analysis of thermo

2015/1/1Fig. 9 shows the temperature profiles in the ground noon on a summer day (i.e., July 2) for the thermo-active and the standard foundations. Fig. 10 illustrates the hourly heat transfer results along with the daily average for outdoor temperature.

Development of design guidelines for thermo

Thermo-active foundations can be a viable solution to reduce ground source heat pump high installation costs by embedding heat exchangers within building foundation structures. Compared to ground source heat pumps, only limited analyses and research studies have been reported for thermo-active foundations especially for the US climates.

Safety Assessment of the Impacts of Foundation Pit

During the construction of metro station, it is important to ensure the safety and normal use of nearby buildings. Focusing on a foundation pit project in Hefei Metro, this paper fully examines the foundation type, structural form, construction period and use state of a

Experimental and Numerical Study on the Behavior of

H. Brandl, "Energy foundations and other thermo-active ground structures," Geotechnique, vol. 56, no. 2, pp. 81–122, 2006. "Centrifuge modeling of end-restraint effects in energy foundations," Journal of Geotechnical and Geoenvironmental Engineering View at:

Keywords: Energy efficiency in building; Thermo Active Building

and ultimate strain energy E u. At Figure 1 Thermo-active building system. ENERES 20 a 25C 10 a 30C 18 a 30C Energy foundations and other thermo-active ground structures. Geotechnique 56: 3-44. [4] Laloui L and Di Donna A (2013) Energy [5] Lim

[PDF] A Feasibility Study of Bridge Deck Deicing using

In this study, the authors investigated the feasibility of a ground-coupled system that utilizes heat energy harvested from the ground for deicing of bridge decks. Heat exchange is performed using circulation loops integrated into the deep foundations supporting the bridge or embedded within the approach embankment. The warm fluid extracted from the ground is circulated through a tubing system

Finite element modeling of thermo

Thermo-active diaphragm walls have a large potential to remedy one of these problems, since they are a renewable energy technology that uses underground infrastructure as a heat exchange medium. However, extensive research is required to determine the effects of cyclic heating and cooling on their geotechnical and structural performance.

Energy Piles : Background and Geotechnical Engineering Concepts

Advantages of Thermo-active Foundations Environmentally-friendly, with relatively little power demand Help reduce fossil fuel demand, decreasing CO 2 emissions Low maintenance and long lifetime Installation in foundation permits heat exchange system to

Reduction in Cooling Load by Using Passive Cooling Technique for

In the past two decades, technology of energy foundations and other thermo-active ground-source systems has developed immensely yet Austria is still pioneering. Since 2005 more than 7,000 energy piles per year have been installed, presently resulting in a

Heating performance characteristics of the ground

Energy foundations and other thermo-active ground structure, energy wells, energy slabs, and pavement heating and cooling represent an innovative technology that contributes to environmental protection and provides substantial long-term cost savings and

Energy Piles : Background and Geotechnical Engineering Concepts

Advantages of Thermo-active Foundations Environmentally-friendly, with relatively little power demand Help reduce fossil fuel demand, decreasing CO 2 emissions Low maintenance and long lifetime Installation in foundation permits heat exchange system to

Energy Piles and Other Thermal Foundations for GSHP

Brandl, H. (2006) Energy foundations and other thermo active ground structures, Geotechnique, 56 (2), 81 – 122. Desmedt, J. Hoes, H. (2006) Case study of a BTES and energy piles application for a Belgian hospital, Proceedings ECOSTOCK 2006, May 31

Design and performance of energy pile foundations —

Energy piles are thermo-active ground structures that utilize reinforced concrete foundation piles as vertical closed-loop heat exchangers. From a commercial point of view, potential customers are reluctant to purchase the technology due to a lack of documentation of the long-term structural and thermal performance of energy foundations.

Safety Assessment of the Impacts of Foundation Pit

Before the construction, the settlement difference between pile foundations maximized at 1.25‰L and minimized at 0.04‰L. Both values are within the range (2‰L) allowed in Technical Code for Building Pile Foundations (JGJ 94-2008). In addition, the residual

KR100985854B1

본 발명은 수직밀폐형 지중열교환기의 그라우팅 시공방법에 관한 것으로, 더욱 상세하게는 지중열을 이용하여 냉난방을 할 수 있도록 지중에 설치되는 수직밀폐형 지중열교환기의 열전도성능 향상과 외부 오염물의 유입방지를 위한 그라우팅 시공방법에 관한 것이다.

Energy foundations and other thermo

2015/5/25Energy foundations and other thermo-active ground structures, energy wells, and pavement heating represent an innovative technology that contributes to environmental protection and provides substantial long-term cost savings and minimised maintenance. The

Finite element modeling of thermo

Thermo-active diaphragm walls have a large potential to remedy one of these problems, since they are a renewable energy technology that uses underground infrastructure as a heat exchange medium. However, extensive research is required to determine the effects of cyclic heating and cooling on their geotechnical and structural performance.

Thermo

2013/1/1Keywords: energy foundation; energy pile; thermo-active ground-source structure; geothermal geotechnics. 1. Introduction During the past 20 years the technology of energy foundations and other thermo-active ground-source systems has developed extremely well, and Austria has still a pioneering role as indicated in Figure 1, showing the increase of energy piles between 1984 and 2010.

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