EP1045087A1 - Point d'accrochage protégé de la corrosion - Google Patents

Point d'accrochage protégé de la corrosion Download PDF

Info

Publication number
EP1045087A1
EP1045087A1 EP00107937A EP00107937A EP1045087A1 EP 1045087 A1 EP1045087 A1 EP 1045087A1 EP 00107937 A EP00107937 A EP 00107937A EP 00107937 A EP00107937 A EP 00107937A EP 1045087 A1 EP1045087 A1 EP 1045087A1
Authority
EP
European Patent Office
Prior art keywords
anchoring element
plug
suspension point
metal
anchoring
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.)
Granted
Application number
EP00107937A
Other languages
German (de)
English (en)
Other versions
EP1045087B1 (fr
Inventor
Roland Schmitt
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.)
Doka Industrie GmbH
Original Assignee
Doka Industrie 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.)
Filing date
Publication date
Application filed by Doka Industrie GmbH filed Critical Doka Industrie GmbH
Publication of EP1045087A1 publication Critical patent/EP1045087A1/fr
Application granted granted Critical
Publication of EP1045087B1 publication Critical patent/EP1045087B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4114—Elements with sockets
    • E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F2201/00—Type of materials to be protected by cathodic protection
    • C23F2201/02—Concrete, e.g. reinforced

Definitions

  • the invention relates to a suspension point in a building with the features of the preamble of claim 1 and a method for producing such Suspension point in a building.
  • Suspension points are used to anchor formwork and Scaffolding on structures.
  • a special application lies here when attaching cornice formwork that before especially in bridge construction both during the construction phase and a later renovation phase of the building be used.
  • suspension points are made by a Anchoring element is poured into the concrete body. So that between the anchoring element and the Concrete end surface forms an access opening, while the casting of the anchoring element a connection to the Formwork skin produced, which after stripping from Anchoring element can be removed and an access opening of of the concrete outer shell to the anchoring element.
  • the simplest option chosen is to pour one Anchoring element made of plastic, so that corrosion of the anchoring element can be safely excluded.
  • this method significantly reduces the Load capacity of the anchoring element, so that many Anchoring elements at a short distance from each other must be cast in to a predetermined load to be able to ensure. This is with an increased Material and labor input combined. It also ages Plastic and becomes brittle over time, so that already after a few years there is no longer a guaranteed load capacity can be. Hence the use of the existing one Suspension points at one may only be after many Years of renovation required. Because of these disadvantages, plastic is usually in concrete undesirable and often already in the context of the building tender prohibited.
  • Another variant in the prior art is pouring an anchoring element made of steel and the additional Providing a sealing plug made of plastic, which the Access opening from the concrete outer shell to the Anchoring element closes.
  • DE-OS 33 38 762 describes an anchoring construction in concrete with a stainless steel threaded sleeve that on the concrete side with mild steel by welding or Threaded connection is connected, the mild steel for Introduces the forces into the concrete body.
  • Page 99 becomes a method of making one
  • the invention has for its object a suspension point as well as an economical process for producing a Propose hanging point that is safe Ensure protection against corrosion.
  • the procedure for Production of a suspension point according to the invention comprises method steps set out in claim 7.
  • the invention is based on the idea of the suspension point from a pairing of an anchoring element and one Form plug, the plug in close proximity to the anchoring element or in contact to the anchoring element and acts as a sacrificial anode.
  • the plug must be made of a less noble metal be made as the anchoring element.
  • Metals that can easily be oxidized, are considered base metals designated, i.e. the higher the tendency is in the The more base a metal is, the less ionic it is to change.
  • a nobler metal Anchoring element and that of a base metal manufactured plugs together in that a electrochemical corrosion element that always arises occurs when two different points of contact Metals an electrolytic solution.
  • the base metal is destroyed by being oxidized.
  • the electrochemical corrosion of the Anchoring element is to be prevented, is targeted Oxidation and destruction of the plug accepted to protect the nobler metal of the anchoring element.
  • the Sealing plug thus acts as a sacrificial anode, the Oxidation and destruction targeted to protect a nobler Metal is brought about.
  • the Suspension point created by first attaching a nail cone a formwork skin is attached, the anchoring element the nail cone is pushed on and then the Structure is concreted. After removing the nail cone is the cornice formwork with a screw-in cone on Fixed structure. After this actual use of the The screw-in cone is removed and a sacrificial anode in the form of a sealing plug as Corrosion protection used.
  • anchoring part known anchoring part can be used.
  • This measure is for that of newly manufactured suspension points from Meaning that already existing and proven geometries can be used.
  • the main advantage of this Measure is to have suspension points in structures that currently provided with a plastic plug by inserting one that acts as a sacrificial anode To convert metal plugs.
  • the plug is made made of a hot-dip galvanized material, in particular Forged steel or cast iron.
  • a hot-dip galvanized material in particular Forged steel or cast iron.
  • Fig. 1 a section through a structure 12 made of concrete is shown.
  • An anchoring element 14 is located in the structure 12 poured, which in the present case as already in the Technology used, so-called cornice anchor of the applicant is trained.
  • the cornice anchor has a cylindrical one Shaft 16, which is fixed on a metal plate 18, the Dimensions exceed the outer radius of the shaft 18 and thus firmly fix the anchoring element 14 in the concrete 12.
  • the struts 20 also shown in FIG. 1 increase the strength of the anchoring element. How from Fig. 1 can be seen, the anchoring element is so deep poured into the concrete that a concrete cover of about 4 cm between the anchoring element 14 and the End surface 22 of the concrete is made. In the area of this Cover is thus an opening 24 formed by the Outer surface 22 of the building forth access to Anchoring element 14 guaranteed.
  • a plug 30 is also shown, which in essentially of a threaded shaft 32 with a There is an external thread and a head 34, the one Recess 36 for engaging a conventional one Square wrench.
  • the head 34 has a dimension so that it is straight the opening 24 in the concrete body 12 fills and also not protrudes beyond the end face 22.
  • the plug 30 with a longer head 34 desired this can of course also be designed so that it over the end surface 22nd protrudes outwards and, for example, instead of the groove 36 is provided with suitable external dimensions to with a appropriately shaped tools, e.g. Wrench, to come into positive contact.
  • the plug 30 is preferably made from a cheaply available one Material such as forged steel or cast iron is manufactured and subsequently hot-dip galvanized to compare to that also made from forged steel or cast iron Anchoring element 14 to represent the base metal.
  • Zinc is a higher negative compared to iron Zinc is the less noble metal compared to conventional iron as a sacrificial anode can serve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Ropes Or Cables (AREA)
  • Dowels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP00107937A 1999-04-16 2000-04-14 Point d'accrochage protégé de la corrosion Expired - Lifetime EP1045087B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19917345 1999-04-16
DE19917345A DE19917345C2 (de) 1999-04-16 1999-04-16 Korrosionsgeschützte Aufhängestelle

Publications (2)

Publication Number Publication Date
EP1045087A1 true EP1045087A1 (fr) 2000-10-18
EP1045087B1 EP1045087B1 (fr) 2004-11-03

Family

ID=7904871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107937A Expired - Lifetime EP1045087B1 (fr) 1999-04-16 2000-04-14 Point d'accrochage protégé de la corrosion

Country Status (4)

Country Link
EP (1) EP1045087B1 (fr)
AT (1) ATE281577T1 (fr)
DE (2) DE19917345C2 (fr)
ES (1) ES2231065T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518300A (zh) * 2011-12-15 2012-06-27 中国建筑第二工程局有限公司 预埋锥形承载接头式钢结构支座及其施工方法
CN109797664A (zh) * 2019-01-21 2019-05-24 中国船舶重工集团应急预警与救援装备股份有限公司 一种大跨度装配式桥梁模块化桁架及拼装折叠方法
US10384085B1 (en) * 2016-06-17 2019-08-20 Climb Tech, Llc Concrete anchor point and method for constructing same
US11692342B2 (en) * 2016-02-11 2023-07-04 Cetres Holdings, Llc Concrete anchor bodies and plugs

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108229A1 (de) * 2001-02-21 2002-09-19 Sabine Blessenohl Dübel mit Dübelschablone zur Befestigung in Gussmassen
DE102007059125B4 (de) * 2007-12-07 2009-10-22 Doka Industrie Gmbh Verankerungselement
DE102011006702A1 (de) * 2011-04-04 2012-10-04 Peri Gmbh Montagestopfen zum Montieren einer Ankerhülse an einer Schalung
DE102015008620A1 (de) 2015-07-02 2017-01-05 Gunnar Pöppe Verfahren zum korrosionsgeschützten Verschließen eines Werkstücks und dafür vorgesehenes Schließteil
CN107246076A (zh) * 2017-08-11 2017-10-13 中建安装工程有限公司 用于装配式建筑的可回收磁性螺纹预埋件
EP4006267B1 (fr) * 2020-11-30 2024-04-10 Georg Weidner Système d'ancrage de transport pour une pièce en béton
EP4273350A3 (fr) 2022-05-04 2024-02-21 Georg Weidner Système de montage avec pied de support et écarteur mural
EP4273349A1 (fr) 2022-05-04 2023-11-08 Georg Weidner Espaceur mural à étrier en u

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819482A (ja) * 1981-07-28 1983-02-04 Sumitomo Rubber Ind Ltd 紡蝕締付具
DE3338762A1 (de) 1983-10-26 1985-05-09 Winfried Dipl.-Ing. 6365 Rosbach Schnabel Verankerungen von stahlbauteilen durch schraubverbindungen im beton
CH684648A5 (de) * 1992-07-10 1994-11-15 Giulio Albanese Gewindehülse zur Befestigung von mit einem schraubenförmig ausgebildeten Spannstab versehenen Bauelementen und Verwendung derselben.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819482A (ja) * 1981-07-28 1983-02-04 Sumitomo Rubber Ind Ltd 紡蝕締付具
DE3338762A1 (de) 1983-10-26 1985-05-09 Winfried Dipl.-Ing. 6365 Rosbach Schnabel Verankerungen von stahlbauteilen durch schraubverbindungen im beton
CH684648A5 (de) * 1992-07-10 1994-11-15 Giulio Albanese Gewindehülse zur Befestigung von mit einem schraubenförmig ausgebildeten Spannstab versehenen Bauelementen und Verwendung derselben.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 091 (C - 162) 15 April 1983 (1983-04-15) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518300A (zh) * 2011-12-15 2012-06-27 中国建筑第二工程局有限公司 预埋锥形承载接头式钢结构支座及其施工方法
CN102518300B (zh) * 2011-12-15 2014-04-09 中国建筑第二工程局有限公司 预埋锥形承载接头式钢结构支座及其施工方法
US11692342B2 (en) * 2016-02-11 2023-07-04 Cetres Holdings, Llc Concrete anchor bodies and plugs
US10384085B1 (en) * 2016-06-17 2019-08-20 Climb Tech, Llc Concrete anchor point and method for constructing same
CN109797664A (zh) * 2019-01-21 2019-05-24 中国船舶重工集团应急预警与救援装备股份有限公司 一种大跨度装配式桥梁模块化桁架及拼装折叠方法
CN109797664B (zh) * 2019-01-21 2020-10-16 中国船舶重工集团应急预警与救援装备股份有限公司 一种大跨度装配式桥梁模块化桁架及拼装折叠方法

Also Published As

Publication number Publication date
ES2231065T3 (es) 2005-05-16
DE50008463D1 (de) 2004-12-09
DE19917345A1 (de) 2000-10-26
EP1045087B1 (fr) 2004-11-03
ATE281577T1 (de) 2004-11-15
DE19917345C2 (de) 2002-09-26

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