EP2466013A1 - Schalungselement - Google Patents

Schalungselement Download PDF

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Publication number
EP2466013A1
EP2466013A1 EP20100195626 EP10195626A EP2466013A1 EP 2466013 A1 EP2466013 A1 EP 2466013A1 EP 20100195626 EP20100195626 EP 20100195626 EP 10195626 A EP10195626 A EP 10195626A EP 2466013 A1 EP2466013 A1 EP 2466013A1
Authority
EP
European Patent Office
Prior art keywords
hollow body
shuttering element
shaped
layer
pile
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.)
Withdrawn
Application number
EP20100195626
Other languages
German (de)
English (en)
French (fr)
Inventor
Magnus Kloster
Klaus Meyer
Ulrich Weber
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.)
Sika Technology AG
Original Assignee
Sika Technology AG
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 Sika Technology AG filed Critical Sika Technology AG
Priority to EP20100195626 priority Critical patent/EP2466013A1/de
Priority to EP20110797008 priority patent/EP2652207B1/de
Priority to BR112013011368A priority patent/BR112013011368A2/pt
Priority to PCT/EP2011/072766 priority patent/WO2012080341A1/de
Priority to CN201180057481.4A priority patent/CN103228845B/zh
Priority to RU2013117937/03A priority patent/RU2581066C2/ru
Priority to JP2013543760A priority patent/JP5960715B2/ja
Publication of EP2466013A1 publication Critical patent/EP2466013A1/de
Priority to US13/918,231 priority patent/US9127433B2/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/16—Arrangement or construction of joints in foundation structures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E02D31/04—Watertight packings for use under hydraulic pressure

Definitions

  • the present invention relates to a method for sealing a pile associated with a breakthrough in a geomembrane in the construction sector.
  • Bored piles are used, for example, for foundation foundations, especially in soft substrates. For their production, a hole is made with the desired depth and introduced a bored pile in the well or the bored pile immediately driven directly into the ground.
  • the substrate When building a concrete structure, the substrate is typically covered with a geomembrane to prevent ingress of water from the subsoil into the structure.
  • the bored piles are directly or indirectly connected to the structure, for which the sealing sheet must be pierced. This creates an area in the area of the penetration between the geomembrane and the bored pile, through which moisture from the subsurface can enter the structure.
  • Object of the present invention is therefore to improve a method of the type mentioned in that moisture from the ground is unable to penetrate in the region of the penetration between geomembrane and bored pile.
  • the hollow body-shaped formwork element has on the side facing the pile to a contact layer, which has a composite layer of a porous material and / or a sealant.
  • FIG. 2 a side view of a hollow body-shaped shuttering element.
  • FIG. 3a and 3b Side views of a flat body before (3 a), or after (3 b) the molding into a hollow body-shaped shuttering element by overlapping with itself.
  • FIGS. 1a, 1b and 1c are shown a lateral cross section through a sealed pile according to the inventive method.
  • the pile 1 is a pile in the construction area, which is embedded in a substrate 2.
  • length, diameter, material, design of the piles can vary.
  • the pile is made of materials selected from the group consisting of wood, metal and hardened mineral binders, preferably hardened mineral binders, most preferably concrete.
  • Such a pole preferably has a length of 5-25 meters and preferably a diameter of 0.3-2 meters, in particular 0.6-1.2 meters.
  • the pile 1 is a bored pile.
  • the pile 1 can continue on its the Schott layer 4 facing end support elements 11th have, which, for example, to a wide distribution of the load, respectively anchoring load required.
  • the method according to the invention comprises the step 1) of applying a bulkhead layer 4 to the substrate 2.
  • the substrate 2 is typically the soil, the substrate may or may not be horizontal, preferably the substrate is substantially horizontal.
  • the Schott layer 4 is typically a waterproofing membrane which is suitable for sealing a structure against moisture from the substrate.
  • the Schott layer can consist of all materials which ensure sufficient tightness even at high liquid pressures.
  • the scotch layer has a high resistance to water pressure, as well as good values in tear propagation and perforation tests.
  • the Schott layer is a thermoplastic layer, preferably the Schott layer is selected from the group consisting of high density polyethylene (HDPE), medium density polyethylene (MDPE), low density polyethylene (LDPE), polyethylene (PE), polyethylene terephthalate ( PET), polystyrene (PS), polyvinyl chloride (PVC), polyamides (PA), ethylene-vinyl acetate (EVA), chlorosulfonated polyethylene, thermoplastic polyolefins (TPO), ethylene-propylene-diene rubber (EPDM), and mixtures thereof.
  • HDPE high density polyethylene
  • MDPE medium density polyethylene
  • LDPE low density polyethylene
  • PE polyethylene
  • PET polyethylene terephthalate
  • PS polystyrene
  • PVC polyvinyl chloride
  • PA polyamides
  • EVA ethylene-vinyl acetate
  • TPO thermoplastic polyolefins
  • EPDM ethylene-propylene-diene rubber
  • the Schott layer may have a thickness of 0.1 to 5 mm, in particular 0.5 to 3.5 mm, preferably 1.5 to 2.5 mm.
  • the inventive method further comprises the step 2) of the introduction of the pile 1 in the substrate 2. This can be done before or after the step 1).
  • the introduction is typically introduced by drilling or piling in the underground. Such methods are known to the person skilled in the art.
  • the pile 1 is arranged so as to penetrate the bulkhead layer 4. This can be achieved by piercing the bulkhead layer 4 from the pile when introducing the pile 1 into the substrate 2. However, it can also be achieved that after the introduction of the pile into the ground, the Schott layer is attached to the substrate and the area of the substrate in which the pile is embedded, is left free of Schott layer. This can be achieved, for example, by cutting recesses from the Schott layer in these areas and placing the Schott layer on the substrate in such a way that said recesses come to lie above the pile ends.
  • the inventive method comprises the step 3) of attaching a hollow body-shaped shuttering element 3 along the longitudinal center axis of the pile 1, wherein the hollow body-shaped shuttering element surrounds the pile.
  • the portion of the pole that is out of the ground will typically be along substantially the entire length, as in FIG. 1a or 1c shown, or only part of its length, as in FIG. 1b shown surrounded by the hollow body-shaped shuttering element, preferably along the substantially entire length.
  • essentially the entire length is meant in the present case that near the substrate a region of a few centimeters or millimeters along the longitudinal axis of the pile can not be surrounded by the hollow body-shaped shuttering element, for example, when the hollow body-shaped shuttering element is arranged on the Schott layer, as in FIG. 1 a, where in FIG. 1 a is the pile in the area corresponding to the thickness of the Schott layer, not surrounded by the hollow body-shaped shuttering element.
  • the pile can be completely filled with mineral material by introducing mineral binder 5 into the intermediate region 12 between the pile and hollow body-shaped formwork element Binder are covered. This is conducive to preventing hindlimbing.
  • step 4) the end of the pile 1 facing the Schott layer 4 is substantially completely, in particular completely, covered with mineral binder 5. Furthermore, it may be advantageous to subsequently coat the hardened mineral binder with a layer of epoxy resin and thus to seal it, typically with a layer thickness of 0.5 to 5 cm, preferably 1 to 2 cm. This sealing is suitable both for the case in which the part of the pile, which is located outside the ground, is surrounded substantially along the entire length of the hollow body-shaped shuttering element, as well as for embodiments where this is the case only on a part of its length is.
  • the inventive method further comprises the step 4) of introducing mineral binder 5 into the intermediate region 12 between the pile 1 and the hollow body-shaped shuttering element 3.
  • the mineral binders are hydraulic binders and / or latently hydraulic binders and / or pozzolanic binders.
  • hydraulic binders is understood to mean binders which harden or harden under water, such as, for example, hydraulic lime or cement.
  • latent hydraulic binders is understood to mean binders which only set or harden by the action of additives (exciters), such as, for example, granulated blastfurnace slag.
  • pozzolanic binders in the present document means binders which do not self-set but after moisture storage by binding of calcium hydroxide provide strength-forming reaction products, such as fly ash, silica fume, and natural pozzolans, such as. B. Trass.
  • the mineral binders are typically cement based binders, preferably high strength Grout.
  • the introduction is typically done by casting. Such methods are known to the person skilled in the art.
  • step 4 in the intermediate region 12 mineral binder remains therein and hardens therein.
  • the mineral binder 5 introduced in step 4) essentially bonds firmly to the contact layer 6 and in particular hinders the hollow-body-shaped shuttering element 3 from being traversed by pressurized water 10 of the substrate.
  • the contact layer 6 has a composite layer 7 of a porous material and / or a sealant 8.
  • the composite layer may consist of all materials, in particular of those which are well penetrated by liquid mineral binders, in particular concrete, and form a good bond with the hardened mineral binder.
  • composite layer is understood in this document to mean a layer which can ensure the bond to the applied mineral binder.
  • the composite layer may form a substantially solid compound with mineral binders when said mineral binders are contacted with the composite layer prior to their cure.
  • the composite layer is made of a porous material.
  • a porous structure is conducive to the elasticity of the composite layer, it can better withstand tensile and shear forces. On the other hand, it leads to a good absorption of liquid mineral binders and thus to a good bond with the liquid and the cured mineral binder.
  • the composite layer is a fiber material.
  • the fibers comprise or consist of organic or synthetic material. In particular, it is cellulose, cotton fibers, protein fibers or synthetic fibers. Fibers made of polyester or of a homo- or copolymers of ethylene and / or propylene or of viscose may be mentioned as synthetic fibers.
  • the fibers may here be short fibers or long fibers, spun, woven or non-woven fibers or filaments.
  • the fibers may be directional or stretched fibers.
  • the fiber material comprises cavities. These cavities are constructed by suitable manufacturing methods. Preferably, the cavities are at least partially open and allow the penetration of liquid mineral binders.
  • the body constructed of fibers can be prepared by a variety of methods known to those skilled in the art.
  • bodies are used which are a fabric, scrim or knitted fabric.
  • a fiber material is a felt or fleece.
  • the composite layer is a thermoplastic material and the material is selected from the group comprising high density polyethylene (HDPE), polyethylene terephthalate (PET), polystyrene (PS), polypropylene (PP), polyvinyl chloride (PVC), polyamide (PA) and combinations from that.
  • HDPE high density polyethylene
  • PET polyethylene terephthalate
  • PS polystyrene
  • PP polypropylene
  • PVC polyvinyl chloride
  • PA polyamide
  • the composite layer 7 may have a thickness of 0.5 to 30 mm, preferably 2 to 10 mm.
  • the sealant is a thermoplastic or a thermoplastic elastomer.
  • Thermoplastic elastomers have the advantage that the sealant thereby has a good elasticity with respect to horizontal and vertical displacements, in particular displacements due to mechanical stresses in the structure. A good elasticity of the sealant prevents cracking or detachment of the sealant and thus a failure of the seal.
  • thermoplastic elastomers in this document are understood as meaning plastics which combine the mechanical properties of vulcanized elastomers with the processability of thermoplastics.
  • thermoplastic elastomers are block copolymers with hard and soft segments or so-called polymer alloys with correspondingly thermoplastic and elastomeric constituents.
  • sealants which are selected from the group consisting of acrylate compounds, polyurethane polymers, silane-terminated polymers and polyolefins.
  • the sealant 8 is a pressure-sensitive adhesive and / or a hotmelt adhesive. This ensures a good bond and good adhesion between the mineral binder and the hollow body formwork element and thus reduces the detachment of the sealant and thus a failure of the seal.
  • Pressure-sensitive adhesives and hot melt adhesives are generally known to the person skilled in the art and are described in US Pat CD Römpp Chemie Lexikon, Version 1.0, Georg Thieme Verlag, Stuttgart ,
  • the sealant contains swelling agents which upon contact with water increase their volume to a multiple, typically between 200-1000% of the original volume.
  • certain swelling substances can also react chemically with water.
  • swelling agents are polyurethane-based bulking agents, in particular silane-modified polymers which cure by moisture to give an elastic product.
  • swelling substances are bentonite-butyl rubbers.
  • the swellable substances are swelling substances which react with water in a time-delayed manner by coating, so that the swelling substances do not swell or only swell during contact with moist mineral binders and are swellable in the event of running behind the hollow body-shaped sealing element with pressing water stay.
  • the sealant may have a thickness of 0.5 to 30 mm, preferably 2 to 10 mm.
  • the hollow body-shaped shuttering element 3 has at least one injection hose which is arranged on the side of the hollow body-shaped shuttering element 3 facing the pile 1.
  • suitable injection materials such as acrylate compounds, polyurethane polymers or cement after the hardening of the mineral binder can be subsequently introduced by the injection hose and thus limit hindrance, especially prevent.
  • the hollow body-shaped shuttering element 3 may further comprise a support layer 9 made of metal, in particular steel, or a plastic, in particular a thermoplastic material, which is selected from the group consisting of high density polyethylene (HDPE), medium density polyethylene (MDPE), polyethylene low density (LDPE), polyethylene (PE), polyethylene terephthalate (PET), polystyrene (PS), polyvinyl chloride (PVC), polyamides (PA), ethylene-vinyl acetate (EVA), chlorosulfonated polyethylene, thermoplastic polyolefins (TPO) and ethylene Propylene-diene rubber (EPDM).
  • HDPE high density polyethylene
  • MDPE medium density polyethylene
  • LDPE polyethylene low density
  • PE polyethylene
  • PET polyethylene terephthalate
  • PS polystyrene
  • PVC polyvinyl chloride
  • PA polyamides
  • EVA ethylene-vinyl acetate
  • TPO thermoplastic polyolefins
  • the support layer 9 has a thickness of 0.2 - 5 mm, in the case that it is a metal support layer in particular of 0.6 - 2 mm, in the case that it is a plastic support layer is in particular from 0.5 to 5 mm ,
  • the hollow body-shaped shuttering element 3 is not substantially bulged or bent, in particular not bulged or bent. This is to the advantage of advantage, because a controlled filling level and dimension of filled with mineral binder formwork element can be ensured. Further damage to the formwork element is prevented by the forces resulting from the weight of the binder forces.
  • the hollow body-shaped shuttering element 3 has a height of 2 to 50 cm, in particular 5 to 30 cm.
  • the hollow body-shaped shuttering element 3 can be arranged substantially on the side facing away from the substrate 2 side of the Schott layer 4, as shown in the FIGS. 1a and 1b is apparent or not.
  • the hollow body-shaped shuttering element can also be arranged on the side facing away from the substrate 2 and facing side of the Schott layer 4, as shown in the Figure 1c will be shown.
  • the hollow body-shaped shuttering element 3 is arranged substantially on the side facing away from the substrate 2 side of the Schott layer 4.
  • substantially on the side facing away from the substrate side of the Schott layer is understood in the present case that more than 80%, preferably more than 90%, particularly preferably more than 95%, of the height of the hollow body-shaped shuttering element on the side facing away from the substrate 2 the Schott layer 4 is arranged. It is further preferred if the hollow body-shaped shuttering element 3 is arranged completely on the side facing away from the substrate 2 side of the Schott layer 4.
  • the method according to the invention comprises the step 5) of connecting the Schott layer 4 and the hollow-body-shaped shuttering element 3.
  • the connection can be made in any manner which has an in the Ensures substantially watertight connection between the Schott layer 4 and hollow body-shaped shuttering element 3.
  • the connection is effected by welding and / or gluing and / or mechanical connection.
  • Step 5) may be performed before or after step 4).
  • step 5) is performed after step 4).
  • the hollow body-shaped shuttering element has at least one connecting element 13, which connects the hollow body-shaped shuttering element 3 with the Schott layer 4, as shown in FIGS FIGS. 1a and 1b is shown.
  • the connecting element is preferably a band which surrounds the hollow body-shaped formwork element and which is attached radially outward.
  • the tape typically has a width of 2 - 50 cm, in particular 5 - 30 cm, and a thickness of 0.2 - 5 mm.
  • step 5 the bonding of the Schott layer 4 and the hollow body-shaped shuttering element 3 is carried out by welding and / or gluing and / or mechanically connecting the connecting element 13 and the Schott layer 4.
  • bonding results in an overlap area of connector and bulkhead of 2-15 cm.
  • the connecting element is arranged on the side facing the Schott layer edge of the hollow body-shaped shuttering element, as for example in the FIGS. 1a and 1b is apparent.
  • the hollow body-shaped shuttering element 3 is preferably a hollow body with two openings, in particular a cylindrical hollow body, in particular preferably a substantially circular-cylindrical hollow body, most preferably a circular-cylindrical hollow body.
  • the hollow body-shaped shuttering element 3 is a hollow body produced by deep-drawing or extrusion, as shown in FIG. 2 is shown, or a curved planar body which overlaps in its longitudinal direction.
  • FIG. 3a shows a possible flat body, or FIG. 3b after molding to a hollow body-shaped shuttering element lateral overlap with itself.
  • the flat body can be connected to itself in various ways in the overlapping region 14 to form a hollow body, for example by gluing or mechanical connection means.
  • the overlapping area is secured with at least one clip-shaped holding element, as shown in FIG FIG. 3b is shown.
  • the overlapping area 14 is 2 - 30 cm, measured from the axial longitudinal edges in the longitudinal direction along the flat body.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Piles And Underground Anchors (AREA)
EP20100195626 2010-12-17 2010-12-17 Schalungselement Withdrawn EP2466013A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP20100195626 EP2466013A1 (de) 2010-12-17 2010-12-17 Schalungselement
EP20110797008 EP2652207B1 (de) 2010-12-17 2011-12-14 Schalungselement
BR112013011368A BR112013011368A2 (pt) 2010-12-17 2011-12-14 elemento de forma
PCT/EP2011/072766 WO2012080341A1 (de) 2010-12-17 2011-12-14 Schalungselement
CN201180057481.4A CN103228845B (zh) 2010-12-17 2011-12-14 模板元件
RU2013117937/03A RU2581066C2 (ru) 2010-12-17 2011-12-14 Элемент опалубки
JP2013543760A JP5960715B2 (ja) 2010-12-17 2011-12-14 型枠要素
US13/918,231 US9127433B2 (en) 2010-12-17 2013-06-14 Formwork element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100195626 EP2466013A1 (de) 2010-12-17 2010-12-17 Schalungselement

Publications (1)

Publication Number Publication Date
EP2466013A1 true EP2466013A1 (de) 2012-06-20

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ID=43796150

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20100195626 Withdrawn EP2466013A1 (de) 2010-12-17 2010-12-17 Schalungselement
EP20110797008 Not-in-force EP2652207B1 (de) 2010-12-17 2011-12-14 Schalungselement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20110797008 Not-in-force EP2652207B1 (de) 2010-12-17 2011-12-14 Schalungselement

Country Status (7)

Country Link
US (1) US9127433B2 (ja)
EP (2) EP2466013A1 (ja)
JP (1) JP5960715B2 (ja)
CN (1) CN103228845B (ja)
BR (1) BR112013011368A2 (ja)
RU (1) RU2581066C2 (ja)
WO (1) WO2012080341A1 (ja)

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CN103821180B (zh) * 2014-03-02 2015-07-29 山东交通学院 一种混凝土伸缩缝双止水结构
CN104727349B (zh) * 2014-03-02 2016-12-07 宁波市鄞州丰茂水利工程有限公司 一种混凝土伸缩缝双止水结构固定件
ES2881983T3 (es) * 2015-12-23 2021-11-30 Sika Tech Ag Capa de contacto con un componente de carga sólido
CN205742241U (zh) * 2016-06-28 2016-11-30 广东中科华大工程技术检测有限公司 一种钢管灌注预应力稳压封桩装置
CN108589797B (zh) * 2018-06-06 2023-12-05 中铁第四勘察设计院集团有限公司 一种地下结构与墩柱分离式节点防水系统
CN115369927A (zh) * 2022-09-13 2022-11-22 中国三冶集团有限公司 一种垃圾坑底板桩头防渗结构施工方法

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WO2010028766A1 (en) * 2008-09-11 2010-03-18 Carpi Tech Bv Amsterdam, Chiasso Branch Method and system for punctual fastening a waterproofing membrane to hydraulic works
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JP2014501341A (ja) 2014-01-20
EP2652207B1 (de) 2015-04-08
US20130279991A1 (en) 2013-10-24
CN103228845B (zh) 2015-09-23
RU2581066C2 (ru) 2016-04-10
WO2012080341A1 (de) 2012-06-21
US9127433B2 (en) 2015-09-08
CN103228845A (zh) 2013-07-31
EP2652207A1 (de) 2013-10-23
RU2013117937A (ru) 2015-01-27
BR112013011368A2 (pt) 2017-07-25
JP5960715B2 (ja) 2016-08-02

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