EP2685008B1 - Device and method for laying the foundations of a solar collector supporting structure in the ground - Google Patents

Device and method for laying the foundations of a solar collector supporting structure in the ground Download PDF

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Publication number
EP2685008B1
EP2685008B1 EP12755656.1A EP12755656A EP2685008B1 EP 2685008 B1 EP2685008 B1 EP 2685008B1 EP 12755656 A EP12755656 A EP 12755656A EP 2685008 B1 EP2685008 B1 EP 2685008B1
Authority
EP
European Patent Office
Prior art keywords
pile
ground
plate
bolt
slots
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12755656.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2685008A4 (en
EP2685008A1 (en
Inventor
Elena HERRERA DEL TORO
Teodoro Lopez Del Cerro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Abengoa Solar New Technologies SA
Original Assignee
Abengoa Solar New Technologies SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abengoa Solar New Technologies SA filed Critical Abengoa Solar New Technologies SA
Publication of EP2685008A1 publication Critical patent/EP2685008A1/en
Publication of EP2685008A4 publication Critical patent/EP2685008A4/en
Application granted granted Critical
Publication of EP2685008B1 publication Critical patent/EP2685008B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/56—Screw piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/801—Ground anchors driven by screwing

Definitions

  • the present invention can be included in the technical field of solar energy utilisation. More specifically, the object of the invention relates to a device and a method for anchoring a support structure for solar collectors to the ground.
  • piles are known, used as construction elements used for anchoring structures, allowing loads to be transferred to a resistant soil layer when they are located at a depth such that conventional foundation footings or slabs are rendered technically or economically unfeasible.
  • British Patent GB2360809 relates to a pile and an installation method, disclosing a pile that comprises a rod having at least one helix acting as a screw thread to facilitate the penetration of the rod into the ground, where the helix has a plough-shaped load flank for compressing the ground radially outwards during penetration of the rod.
  • the pile introduction process comprises the incorporation of a bonding agent around the rod during introduction for insertion into a vacuum created by the plough-shaped assembly.
  • British Patent GB2397327 relates to a pile comprising at least two portions axially aligned telescopically in order to fix the effective pile length and comprises fixing means for allowing one of the sections to be fixed to another section in a plurality of positions to selectively determine the total length of the pile.
  • the problem posed consists of defining means for fixing solar collector structures to foundation piles allowing execution of the fixation in a simple and highly accurate manner.
  • the present invention describes, according to a first aspect, a device for laying the foundations of a support structure for solar collectors comprising:
  • the joining means for joining the pile to the structure comprise a bolt, attached to the pile by a lower end of the bolt (threaded or not threaded) and attachable to the structure by a threaded upper end opposite the lower end.
  • the lower end of the bolt is, according to this first embodiment, housed and fixed in a body inserted in the second end of the pile (the end projecting from the ground) and fixed to said pile.
  • the body is made of hardenable material susceptible of, by drying and/or setting, hardening and adhering to the pile and bolt, such as, for example, cement, concrete or mortar.
  • a second aspect of the invention relates to a method for anchoring a support structure for solar collectors to the ground, using the device of the invention, which comprises the following steps:
  • the method can include the additional step of fixing the bolt to the pile.
  • the bolt can be fixed to the pile following the steps below:
  • defining a receptacle on the second end of the pile comprises forcibly introducing, to a certain depth, a first watertight elastic plug, preferably of polystyrene foam, having dimensions slightly larger than the cross-section of the second end of the pile, said receptacle being composed of the first plug and by the inner surface of the second end of the pile, above the first plug.
  • a first watertight elastic plug preferably of polystyrene foam
  • the step that involves defining the receptacle may include an additional stage of forcibly introducing to a second depth, less than the first depth, a second watertight elastic plug, preferably of polystyrene foam, having dimensions slightly larger than the cross-section of the second end of the pile, said second plug having a first opening for inserting the bolt and a second opening for pouring the hardenable material.
  • the location of the first opening can be established preferably using templates or topographic control.
  • the joining means comprise, alternatively to the bolt, a cap disposed tightly around the exterior of the second end of the pile, said cap having first fixing means for fixing the pile to the structure.
  • the fixing means comprise a metal bracket having a first side for fixation to the cap and a second side for fixation to the structure. The second side can also be fixed to the structure using bolts or other types of fasteners.
  • the joining means comprise, in addition to a bolt:
  • the first slots and the second slots comprise:
  • the fixation of the bolt comprises the following steps:
  • the joining means may additionally comprise a joining element, preferably a profile, having a flat face, wherein said flat face comprises bores to facilitate the fixation of the piles to the structure, said flat face being adapted for the structure to rest on said flat face.
  • the method explained comprises the additional step of determining the location of the pile with respect to the ground prior to the introduction of said pile in the ground, as well as determining the location, if using bolts, of the bolt with respect to the pile prior to fixing the bolt to the pile.
  • the location of the bolt and/or pile shall be determined preferably using one of the following techniques:
  • the present invention allows anchoring of a support structure for solar collectors to the ground in a fast, accurate and cost-effective manner, simply and cleanly, without need for passage of trucks, cement mixers, etc.
  • the device for anchoring a support structure (2) for solar collectors to the ground (1) comprises: at least one pile (3) having a first end (4) adapted for insertion into the ground (1) and a second end (5) projecting from the ground (1); and joining means for joining the pile (3) to the structure (2).
  • the method for anchoring a support structure (2) for solar collectors to the ground (1) using the device of the invention which comprises the following steps: introduction of the first end (4) of the pile (3) in the ground (1), leaving the second end (5) above the ground (1); and fixation of the structure (2) to the bolt (7).
  • the joining means for joining the pile (3) to the structure (2) comprise a bolt (7) attached to the pile (3) by a lower end (8) (threaded or not threaded) and attachable to the structure (2) by a threaded upper end (9) opposite the lower end (8).
  • the method comprises the previous step of fixing the bolt (7) to the pile (3).
  • the lower end (8) of the bolt (7) is housed in a body (10), formed by mortar, inserted in the second end (5) of the pile (3) and fixed to said pile (3).
  • the bolt (7) can be fixed to the pile (3) by forcibly introducing, prior to the bolt (7), through the second end (5) of the pile (3), a watertight first plug (13) and then a watertight second plug (14), preferably of polystyrene foam, having dimensions slightly larger than those of the cross-section of the second end (5) of the pile (3), defining a receptacle (not shown) between the two plugs (13, 14).
  • a first opening (not shown) and a second opening (12) are made in the second plug (14) and the mortar is poured into the receptacle through the second opening (12), allowing said mortar to harden.
  • the location of the first opening is determined preferably using a template or topographic control.
  • the lower end (8) of the bolt (7) is housed inside said first opening.
  • the joining means comprise, alternatively to the bolt (7), a cap (30) disposed, preferably in a tight-fitting manner, around the exterior of the second end (5) of the pile (3), said cap (30) having first joining means in the manner of a metal bracket (31) having a first side (32) for fixation to the cap (30) and a second side (33) having a hole for fixation directly to the structure (2).
  • the first fixing means may comprise a second bracket (34) comprising a lower bored side (35) resting on the second side (33) and an upper side (36) whereon the structure (2) rests. There is no reason why the first bracket (31) or second bracket (32) cannot be fixed to the structure (2) by means of bolts (not shown).
  • the joining means comprise, in addition to the bolt (7):
  • first slots (20, 21) and the second slots (22, 23) comprise:
  • the fixation of the bolt (7) to the pile (3) comprises the steps of: fixing the first plate (18) to the pile (3); introducing the lower end (8) of the bolt (7) in the first bore of the second plate (24) and fixing said bolt (7) to said second plate (24); superimposing the second plate (24) on the first plate (18), aligning at least partially the first slots (20, 21) with the second slots (22, 23); and screwing the first plate (18) to the second plate (24) by introducing the second fixing means (26) through the slots (20, 21, 22, 23).
  • the joining means additionally comprise a joining element, preferably a profile (15), having a flat face (29), wherein said flat face (29) comprises second bores (not shown) for facilitating the joint between the piles and the structure; likewise, the flat face (29) is adapted so that the structure (2) rests on said flat face (29).
  • the second bores serve to house and fix the bolts (7) of two adjacent piles (3).
  • the method explained comprises the additional step of determining the location of the pile (3) with respect to the ground (1) prior to introducing said pile (3) in the ground (1), as well as determining, when a bolt (7) is used, the location of said bolt (7) with respect to the pile (3) prior to fixing the bolt (7) to the pile (3).
  • the location of the bolt (7) and/or pile (3) can be determined preferably using at least one of the following techniques: topographic determination and control; and use of templates (not shown) having marks indicating the relative locations of the piles (3) and/or the bolts (7).

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)
  • Foundations (AREA)
  • Photovoltaic Devices (AREA)
EP12755656.1A 2011-03-08 2012-03-05 Device and method for laying the foundations of a solar collector supporting structure in the ground Active EP2685008B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201130313A ES2400430B1 (es) 2011-03-08 2011-03-08 Dispositivo y método para la cimentación al terreno de una estructura de soporte de colectores solares
PCT/ES2012/070138 WO2012120174A1 (es) 2011-03-08 2012-03-05 Dispositivo y método para la cimentación al terreno de una estructura de soporte de colectores solares

Publications (3)

Publication Number Publication Date
EP2685008A1 EP2685008A1 (en) 2014-01-15
EP2685008A4 EP2685008A4 (en) 2014-09-10
EP2685008B1 true EP2685008B1 (en) 2015-09-16

Family

ID=46797532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12755656.1A Active EP2685008B1 (en) 2011-03-08 2012-03-05 Device and method for laying the foundations of a solar collector supporting structure in the ground

Country Status (7)

Country Link
US (1) US20140321922A1 (zh)
EP (1) EP2685008B1 (zh)
CN (1) CN103597142A (zh)
CL (1) CL2013002558A1 (zh)
ES (2) ES2400430B1 (zh)
WO (1) WO2012120174A1 (zh)
ZA (1) ZA201306707B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9169631B2 (en) * 2013-03-15 2015-10-27 Gary Tate Portable building
JP6512428B2 (ja) * 2015-02-06 2019-05-15 清水建設株式会社 杭基礎と架台との接合構造
IT202100011183A1 (it) * 2021-05-03 2022-11-03 Gian Pietro Frare Fondazione speciale.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5683207A (en) * 1995-10-27 1997-11-04 Mauer; Paul W. Pier assembly and method of installing same
MY122066A (en) * 1997-09-18 2006-03-31 Steel Foundations Technology Pty Ltd Screw pile anchor
GB9929862D0 (en) * 1999-12-18 2000-02-09 Portasilo Ltd Foundation
GB2360809B (en) 2000-03-28 2004-02-25 Screw Fast Foundations Ltd A screw pile and method of installation
DE20013087U1 (de) * 2000-07-28 2000-10-12 Plica Werkzeugfabrik Ag Mollis Erdanker
GB0300997D0 (en) * 2003-01-16 2003-02-19 Screw Fast Foundations Ltd A screw pile
JP2006265853A (ja) * 2005-03-22 2006-10-05 Tomita Seisakusho:Kk スクリュー翼付きコンクリート杭
CN200999346Y (zh) * 2006-09-15 2008-01-02 刘海峰 一种全钢制通用加固式杆塔桩基
FR2945554B1 (fr) * 2009-05-12 2011-05-13 Jean Louis Cotillon Pieu d'ancrage.
KR101137974B1 (ko) * 2009-07-20 2012-04-20 한동흔 지상구조물 고정용 기초 시공방법
CN201598647U (zh) * 2010-01-05 2010-10-06 华中电网有限公司 一种输变电铁塔自立塔基础
CN101838997B (zh) * 2010-05-18 2011-08-31 江苏海力风电设备科技有限公司 潮间带风电场风机基础及其生产方法

Also Published As

Publication number Publication date
EP2685008A4 (en) 2014-09-10
ES2400430B1 (es) 2014-03-26
ES2400430R1 (es) 2013-06-11
EP2685008A1 (en) 2014-01-15
ZA201306707B (en) 2014-05-28
WO2012120174A4 (es) 2012-11-01
CN103597142A (zh) 2014-02-19
US20140321922A1 (en) 2014-10-30
WO2012120174A1 (es) 2012-09-13
ES2400430A2 (es) 2013-04-09
CL2013002558A1 (es) 2014-08-18
ES2562477T3 (es) 2016-03-04

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