EP0143918B1 - Vorrichtung zum Befestigen einer Kunststoffolie - Google Patents

Vorrichtung zum Befestigen einer Kunststoffolie Download PDF

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Publication number
EP0143918B1
EP0143918B1 EP84110744A EP84110744A EP0143918B1 EP 0143918 B1 EP0143918 B1 EP 0143918B1 EP 84110744 A EP84110744 A EP 84110744A EP 84110744 A EP84110744 A EP 84110744A EP 0143918 B1 EP0143918 B1 EP 0143918B1
Authority
EP
European Patent Office
Prior art keywords
plastic sheet
plastic film
fastening
recesses
head
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.)
Expired
Application number
EP84110744A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0143918A2 (de
EP0143918A3 (en
Inventor
Bernd Kopp
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.)
Fusione huls Troisdorf AG
Original Assignee
Niederberg-Chemie 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 Niederberg-Chemie GmbH filed Critical Niederberg-Chemie GmbH
Publication of EP0143918A2 publication Critical patent/EP0143918A2/de
Publication of EP0143918A3 publication Critical patent/EP0143918A3/de
Application granted granted Critical
Publication of EP0143918B1 publication Critical patent/EP0143918B1/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating

Definitions

  • the invention relates to a device for fastening a plastic film, in particular to a tunnel wall, nails or screws being provided for fastening the device, the heads of which can be countersunk in a recess provided in the device and the plastic film to be introduced can be fastened to the device by welding, and wherein the device has predetermined breaking points which, in the event of excessive load, leads to a shearing off of part of the device with the plastic film, remnants of the device remaining around the head of the fastening means, which protect the plastic film from damage by the head.
  • the attachment is usually punctiform, d. H. a number of fastening points are provided for each film evenly distributed over the fastening surface.
  • a large number of devices are known for the actual fastening, which essentially consist of plates or disks of different shapes and cross sections and are usually fastened to the tunnel wall with nails or screws.
  • the devices consist of plastic-coated metal plates.
  • the plastic film laid over it is welded by means of a high-frequency field, which is generated between the metal plate acting as an auxiliary electrode and the end faces of the electrodes pressed against the film.
  • a disadvantage of these devices is that the plastic-coated metal plates require a considerable amount of construction and materials.
  • this risk of damage is to be counteracted by a plastic film which is provided with assembly tabs.
  • the film is attached to the mounting tab.
  • a predetermined breaking point is provided between the flaps and the plastic film, so that tensile stress on the film merely causes the plastic film to shear off the mounting tabs without damaging the plastic film.
  • DE-C-2 532 664 assumes that the device consists of a material of lower strength than the plastic film. This creates a predetermined breaking point within the device holding the plastic film. In the event of excessive stress, the plastic film tears off with part of the device holding the device.
  • Such devices have two disadvantages. One disadvantage is the relatively high cost of materials and labor for the manufacture of such devices with an internal predetermined breaking point. The other disadvantage is the release of the nail or screw holding the device to the tunnel wall. The nail or screw head which protrudes after tearing off a part of the device damages the plastic film which slides over the screw head when sheared off.
  • DE-A-3 204 411 shows a holding body for fastening sealing foils made of plastic to a base, in particular on a tunnel wall, which consists of two interconnected and essentially parallel disks, one of which has a base surface rests on the base and the other is connected to the plastic film with a cover surface.
  • This device also has a predetermined breaking point that runs parallel to the tunnel wall.
  • the known device has the same disadvantages as the device known from DE-C-2 532 654. After cracking, there is a risk of the sealing membrane being damaged by protruding nail or screw heads.
  • the invention is based on the object of specifying a device of the generic type with which damage to the sealing membrane can be avoided and which can be produced with little labor and material expenditure.
  • the outer part of the device shears off and a part of the device protecting the plastic film from the nail head remains.
  • the recesses have any cross section. They are either drilled as holes or molded in the device manufacturing process.
  • the cross-section is selected so that a minimum cross-sectional weakening of approximately 50% occurs in a device which would have the same strength in relation to the plastic film without the cross-sectional weakening. In the case of stronger devices, a greater minimum cross-sectional weakening results from the recesses according to the invention in a simple ratio calculation.
  • Oblique recesses which lead to an approximately conical shape of the remaining rest of the device after shearing off part of the device, facilitate the shearing process.
  • a shotcrete layer 2 is first applied to the excavation.
  • the devices designated as rondelles 4 are fastened thereon.
  • the rondelles 4 have a round shape and are fastened to the rock 1 or the shotcrete layer 2 by means of fastening nails 5.
  • a protective layer 3, z. B. made of nonwoven fabric, and then a plastic film 6.
  • the plastic film 6 is laid in webs, which are then welded together.
  • the rondelles 4 are made of the same material as the plastic film 6. This allows the plastic films to be easily welded to the rondelles 4. Warm air-generating welding devices are suitable for the welding.
  • the welding temperature is preferably between 160 and 200 ° C.
  • the tunnel expansion has the shape shown in FIG. 1. Then there is more or less space between the protective layer 3 and the shotcrete layer 2 on the one hand and the plastic film 6 and the protective layer 3 on the other.
  • the concrete layer 7 is introduced, the plastic film 6 and the protective layer 3 are finally pressed against the rock eruption 1. This causes the plastic film 6 to stretch between two fastening points 8 each. If the fastening points 8 are subjected to excessive stress, they yield by shearing, further plastic material is used and excessive stress on the plastic film between the two fastening points 8 is excluded.
  • Rondelles of FIGS. 3-6 are optionally provided for the expansion according to FIGS. 1 and 2.
  • the rondelle 4 has a round shape which is meandering in cross section, the rondelle 4 resting on the protective layer 3 with a foot 11 and with a web 12. At the base 11, the roundel 4 is nailed onto the protective layer 3. For this purpose, there is an opening 13 in the center of the rondelle for the nail.
  • a wreath 14 rises above the foot 11 to such an extent that the head of the nail holding the rondelle 4 is covered.
  • the wreath 14 is provided close to the base 11 with recesses 15 arranged uniformly distributed over a circumference.
  • the recesses 15 in turn have a circular cross section and weaken the cross section of the rondelle 4 by approximately 50%.
  • the ring 14 of the rondelle 4 is torn off at 16.
  • the shearing or tear-off movement runs in the plane of the plastic film 6.
  • the ring 14 welded to the plastic film 6 slides over the base 11, which remains in its original position at the rock eruption.
  • the foot 11 surrounds the nail head with a remaining residue 17, so that damage to the plastic film 6 sliding over it is prevented.
  • a secure shearing of the ring 14 is z. B. achieved in that the rondelle 4 is welded exclusively on the rim 14 outside the recesses.
  • the recesses run as obliquely inclined bores 18.
  • the oblique inclination leads to inclined separating surfaces between the torn off rondelle part and the rest. This makes it easier for the torn off rondelle part 14 to slide over the remaining rest 11.
  • the 5 has instead of the recesses 15 at 19 a notch in the form of a circumferential groove triangular cross-section.
  • the notch can also have any cross-section and on the underside or on the top of the rondelle 4 lie.
  • the notch 19 serves the same purpose as the recess 15.
  • the rondelle according to FIG. 6 is formed at 20 in such a way that the rondelle surface lies behind the surface of the collar 14 and consequently does not weld to the plastic film 6, even if the welding machine presses the plastic film 6 against the rondelle in an uncontrolled manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Architecture (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Connection Of Plates (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP84110744A 1983-10-05 1984-09-08 Vorrichtung zum Befestigen einer Kunststoffolie Expired EP0143918B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3336134A DE3336134A1 (de) 1983-10-05 1983-10-05 Vorrichtung zum befestigen einer kunststoffolie
DE3336134 1983-10-05

Publications (3)

Publication Number Publication Date
EP0143918A2 EP0143918A2 (de) 1985-06-12
EP0143918A3 EP0143918A3 (en) 1986-11-05
EP0143918B1 true EP0143918B1 (de) 1988-11-23

Family

ID=6211001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84110744A Expired EP0143918B1 (de) 1983-10-05 1984-09-08 Vorrichtung zum Befestigen einer Kunststoffolie

Country Status (4)

Country Link
EP (1) EP0143918B1 (enrdf_load_stackoverflow)
KR (1) KR900003146B1 (enrdf_load_stackoverflow)
AT (1) ATE38874T1 (enrdf_load_stackoverflow)
DE (2) DE3336134A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396713B (de) * 1991-08-09 1993-11-25 Bauveg Schneller Gmbh Tunnelabdichtung
DE4132528A1 (de) * 1991-09-30 1993-04-01 Schwarzpunkt S Schwarz Kg Haltekoerper aus kunststoff zum befestigen einer abdichtungsfolie aus kunststoff an einer unterlage
EP0725185A1 (de) * 1996-01-08 1996-08-07 Roland F. Wolfseher Tunnelauskleidung und Verfahren zu deren Anbringung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH475436A (de) * 1966-09-26 1969-07-15 Ironflex Ag Befestigungseinrichtung für Folien aus Kunststoff
DE2305904A1 (de) * 1973-02-07 1974-08-15 Lissmann Alkor Werk Befestigung einer der abdichtung eines tunnelbauwerks dienenden kunststoffbahn an einer tunnelrohwand
AT339948B (de) * 1975-06-30 1977-11-10 Iso Bau Abdichtungen Im Hoch U Verfahren zum befestigen einer abdichtungsfolie aus kunststoff auf einer unterlage und haltekorper zur befestigung von kunststoffolien zur durchfuhrung des verfahrens
DE2833148A1 (de) * 1978-07-28 1980-02-07 Dynamit Nobel Ag Abdichtung von wandungen gegen druckund/oder sickerwasser unter verwendung einer mehrschichtigen dichtungsbahn
DE2941684A1 (de) * 1979-10-15 1981-04-23 Hilti AG, 9494 Schaan Verfahren zum befestigen einer abdichtungsfolie an einer unterlage
AT371570B (de) * 1981-02-11 1983-07-11 Bauveg Bergbauges M B H Haltekoerper zum befestigen einer abdichtungsfolie aus kunststoff auf einer unterlage
DE3149490A1 (de) * 1981-12-14 1983-06-23 Dynamit Nobel Ag, 5210 Troisdorf Abdichtung von wandungen gegen druck und/oder sickerwasser mit einer dichtungsbahn

Also Published As

Publication number Publication date
KR850003766A (ko) 1985-06-26
ATE38874T1 (de) 1988-12-15
EP0143918A2 (de) 1985-06-12
DE3336134C2 (enrdf_load_stackoverflow) 1988-06-16
EP0143918A3 (en) 1986-11-05
KR900003146B1 (ko) 1990-05-09
DE3336134A1 (de) 1985-04-25
DE3475326D1 (en) 1988-12-29

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