EP2808449A1 - Pieu foré pour fondation - Google Patents

Pieu foré pour fondation Download PDF

Info

Publication number: EP2808449A1
Authority: EP; European Patent Office
Prior art keywords: bohrverpresspfahl; external thread; thread; pile; pile shaft
Prior art date: 2013-05-29
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.): Granted

Application number

EP14001852.4A

Other languages

German (de)

English (en)

Other versions

EP2808449B1 (fr

Inventor

Frank Tapken

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.)

ThyssenKrupp Infrastructure GmbH

Original Assignee

ThyssenKrupp Bautechnik GmbH

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.)

2013-05-29

Filing date

2014-05-28

Publication date

2014-12-03

2014-05-28 Application filed by ThyssenKrupp Bautechnik GmbH filed Critical ThyssenKrupp Bautechnik GmbH

2014-12-03 Publication of EP2808449A1 publication Critical patent/EP2808449A1/fr

2017-10-18 Application granted granted Critical

2017-10-18 Publication of EP2808449B1 publication Critical patent/EP2808449B1/fr

Status Active legal-status Critical Current

2034-05-28 Anticipated expiration legal-status Critical

Links

238000005553 drilling Methods 0.000 title description 2
229910000831 Steel Inorganic materials 0.000 claims abstract description 11
239000010959 steel Substances 0.000 claims abstract description 11
238000004873 anchoring Methods 0.000 claims abstract description 4
230000004323 axial length Effects 0.000 claims abstract description 4
238000005096 rolling process Methods 0.000 claims description 5
238000009826 distribution Methods 0.000 claims description 4
229910000746 Structural steel Inorganic materials 0.000 claims description 2
125000006850 spacer group Chemical group 0.000 claims description 2
239000011440 grout Substances 0.000 description 5
239000004698 Polyethylene Substances 0.000 description 3
239000004567 concrete Substances 0.000 description 3
-1 polyethylene Polymers 0.000 description 3
229920000573 polyethylene Polymers 0.000 description 3
239000002689 soil Substances 0.000 description 3
230000007797 corrosion Effects 0.000 description 2
238000005260 corrosion Methods 0.000 description 2
238000005336 cracking Methods 0.000 description 2
230000004888 barrier function Effects 0.000 description 1
238000009412 basement excavation Methods 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 1
239000004568 cement Substances 0.000 description 1
238000005253 cladding Methods 0.000 description 1
239000002131 composite material Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
230000002262 irrigation Effects 0.000 description 1
238000003973 irrigation Methods 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
239000004033 plastic Substances 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000007789 sealing Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
239000004575 stone Substances 0.000 description 1
230000007704 transition Effects 0.000 description 1

Images

Classifications

- 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
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles

Definitions

the invention relates to a Bohrverpresspfahl with a pile shaft made of a round steel and an anchor head, which has an external thread on which a head plate can be fastened by means of a nut, for back anchoring, in particular of sheet piles.
Pipe anchors which can be used as anchoring piles of sheet piling or similar structures, but also as soil nails, for excavation, embankment stabilization, foundations for masts and noise barriers and sheet pile anchors for Kaibefest Trenten.
Basic steel anchors consist of horizontally installed tension members, which open into an anchor wall or an anchor panel. The load of such anchor can be limited by the mobilizable earth resistance of the anchor plate.
Ground anchors consist of a steel tension member and a grout body.
the tensile forces are either continuously introduced from the Stahlzugglied in the grout or they are introduced via a pressure tube, which incorporates into the grout.
the power transmission in the soil takes place in both systems above a skin friction.
the steel tension member must be able to deform freely in a cladding tube, so that the ground anchors can be biased. As Stahlzugglieder threaded rods or strands into consideration.
Grout anchors are usually produced by drilling with or without irrigation.
Bohrverpresspfahl according to claim 1, which according to the invention has a pile shaft which is provided over its entire axial length with a rolled external thread having a greater pitch than the external thread in the anchor head.
the edges formed during rolling of the external thread are rounded off.
the composite stress is improved in the grout and thus achieved a more uniform cracking. This makes it possible to comply with the requirement of crack width restriction even with larger loads.
the rounding of the resulting during rolling of the external thread edges in the region of the maximum elevation s a radius of 2 mm to 3 mm, preferably 2.5 mm.
the Bohrverpresspfahl preferably has threaded valleys with a rounding, which have a radius of 10 mm to 12 mm, preferably 11 mm.
an area is provided in each case between said rounded elevations and the rounded valleys of the external thread, which extends linearly in cross section over a length of 2 mm to 3 mm, preferably 2.8 mm.
such a solid rod according to the invention with said thread does not require additional corrosion protection, which is otherwise required in order to avoid cracking of the concrete.
with larger diameters of the full profile with said thread and higher payloads can be achieved.
the external thread preferably has a thread depth of 2 mm to 10 mm.
the pile shaft and the anchor head are further preferably made of a structural steel with yield strengths of S 355 N / mm 2 to S 500 N / mm 2 .
the Bohrverpresspfahl is designed for connection to a steel sheet pile and this has a load distribution plate with a slanted hole, the anchor head is surrounded in the region of this bore by a tilt compensation tube on which a dome plate is supported as an abutment for a dome nut serves, which is screwed onto the anchor head male thread.
the cap nut and the protruding end of the anchor head may preferably be covered by an anchor cap.
a polyethylene high-pressure pipe enclosing the pile shaft is provided in the lower area, d. H. in the area of the pile shaft.
Bohrverpresspfahl has a pile shaft 10, which consists of a round steel and has an anchor head 11 with an external thread.
the pile shaft 10 also has an external thread which extends over its entire axial length and which has been produced by rolling (thread rolling).
This external thread of the pile shaft has a greater pitch than that External thread of the drill head.
the thread pitch s is in the range of 15 mm to 25 mm, in particular 20 mm.
the thread surveys and the thread valleys are each rounded, the radius r of the surveys between 2 mm to 3 mm, preferably 2.5 mm.
the radius R of the valleys is between 10 mm to 12 mm, preferably 11 mm.
Between the elevations and the thread valleys is a section a, which has a cross-section of a length of 2 mm to 3 mm, in the present example of 2.8 mm.
the thread depth t is between 2 mm to 10 mm, in the present case 4 mm, depending on the selected nominal diameter of the pile shaft.
one or more (in the selected embodiment, two) spacers 12 are secured by means of clamps 13.
a polyethylene high-pressure pipe 14 is provided, which is covered by shrink tubing 15.
the anchor head 11 has a commercial inch thread on which a nut can be attached.
Fig. 3 shows a Bohrverpresspfahl which is connected to a sheet pile wall 20.
a load distribution plate 21 is fastened to a belt 23 by means of a belt pin 22.
a corresponding load distribution plate 24 and a nut 25 can be seen on one side of the sheet pile wall.
a high pressure polyethylene 14 is passed, between which and a steel transfer pipe 27 sealing blades 28 are arranged.
a dome plate 16 is applied, which is fixed by means of a dome nut 17.
the cap nut and the upper part of the anchor head 11 are covered by an anchor cap 18; which consists of a plastic corrosion protection compound.
an anchor cap 18 is provided, in which engages the anchor head.
Bohrverpresspfahl can of course be used as a pile head connection in a concrete block in which the anchor head is anchored in a concrete block.

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)
Bulkheads Adapted To Foundation Construction (AREA)

EP14001852.4A 2013-05-29 2014-05-28 Pieu foré pour fondation Active EP2808449B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE202013004921.9U DE202013004921U1 (de)	2013-05-29	2013-05-29	Bohrverpresspfahl

Publications (2)

Publication Number	Publication Date
EP2808449A1 true EP2808449A1 (fr)	2014-12-03
EP2808449B1 EP2808449B1 (fr)	2017-10-18

Family

ID=50842010

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP14001852.4A Active EP2808449B1 (fr)	2013-05-29	2014-05-28	Pieu foré pour fondation

Country Status (2)

Country	Link
EP (1)	EP2808449B1 (fr)
DE (1)	DE202013004921U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN108149681A (zh) *	2017-12-15	2018-06-12	上海建工五建集团有限公司	回填土旋挖灌注桩用组合式钢护筒及其施工方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1484449A1 (de) *	1964-08-18	1969-10-02	Deutsche Erdoel Ag	Verfahren zum Befestigen von Ankern im Erdreich
DE1910556A1 (de) *	1969-03-01	1970-09-10	Holzmann Philipp Ag	Verfahren zur Herstellung von Gruendungspfaehlen aus Ortbeton mit Erweiterungen des Pfahlschaftes und des Pfahlfusses,sowie Innenschalung zur Durchfuehrung des Verfahrens

2013
- 2013-05-29 DE DE202013004921.9U patent/DE202013004921U1/de not_active Expired - Lifetime
2014
- 2014-05-28 EP EP14001852.4A patent/EP2808449B1/fr active Active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1484449A1 (de) *	1964-08-18	1969-10-02	Deutsche Erdoel Ag	Verfahren zum Befestigen von Ankern im Erdreich
DE1910556A1 (de) *	1969-03-01	1970-09-10	Holzmann Philipp Ag	Verfahren zur Herstellung von Gruendungspfaehlen aus Ortbeton mit Erweiterungen des Pfahlschaftes und des Pfahlfusses,sowie Innenschalung zur Durchfuehrung des Verfahrens

Also Published As

Publication number	Publication date
EP2808449B1 (fr)	2017-10-18
DE202013004921U1 (de)	2014-06-03

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