WO1992020879A1 - Verfahren und mittel zum abdichten einer fuge in einem baukörper - Google Patents
Verfahren und mittel zum abdichten einer fuge in einem baukörper Download PDFInfo
- Publication number
- WO1992020879A1 WO1992020879A1 PCT/EP1992/001071 EP9201071W WO9220879A1 WO 1992020879 A1 WO1992020879 A1 WO 1992020879A1 EP 9201071 W EP9201071 W EP 9201071W WO 9220879 A1 WO9220879 A1 WO 9220879A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- section
- sealing
- joint
- proppant
- concrete
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000002347 injection Methods 0.000 claims abstract description 49
- 239000007924 injection Substances 0.000 claims abstract description 49
- 239000003673 groundwater Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 4
- 238000009415 formwork Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 10
- 239000000565 sealant Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
- E21D11/385—Sealing means positioned between adjacent lining members
-
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
Definitions
- a further sealing device in the form of an injection hose in which a predetermined breaking point in the longitudinal direction of the hose-like body is provided, through which the sealing medium is to escape into the missing parts of the concrete in the joint area.
- the hose itself is designed as a support body so that it is not compressed when the second concreting section is concreted.
- this sealing device it is initially disadvantageous that tearing open the predetermined breaking point is not guaranteed and, above all, cannot be checked. For example, it is possible that only parts of the intended breaking point are torn open, so that the joint area is not provided with sealants in sections.
- a further disadvantage is that the hose, which is designed to be self-supporting as a supporting body, is unwieldy and difficult to apply to curved or curved surfaces.
- the sealing medium is injected in that the hose bodies are guided to the outside with at least one free end or a hose connection piece in order to create an access point for injecting the sealing medium into the hose-shaped body.
- An essential basic idea in the method according to the invention is to create an injection route in the joint area with the aid of a tubular body of any shape in cross section, i.e. with the help of the body as a kind of displaceable inner formwork to keep a space free, the sealing medium not being directed into the interior of the body and from there into defects in the joint area, but directly into the space kept free by the body, by removing the body from the Walls of the space serving as the injection route is removed. It is not necessary to completely remove the body from the injection path, since only space has to be created between the body and the walls of the injection path, into which the sealing medium can enter and from where it can escape into defects in the joint area. So that the body can be moved away from the wall of the injection route, it is e.g. unstable, i.e. not self-supporting.
- the body is filled with a proppant in order to achieve the stability that is necessary so that when the second section, for example a second concreting section, is created, the body is not compressed by the material of the second section in such a way that there is practically no injection route anymore can arise.
- the proppant is removed, causing the body to collapse, for example due to its instability, and to open the injection path outside the body material.
- the support means can also be removed from the body by means of negative pressure, so that the body contracts completely or partially, ie there is little or no cavity left inside the body.
- the body is preferably mounted in the joint area in such a way that the largest possible surface of the body is brought into contact with the joint surface. Since the sealing measures are to take place in the joint area, this preferred assembly can result in a space, as seen in cross-section, being as wide as possible in the area of the joint surface, into which the sealing medium can enter and from there clog the imperfections in the joint area. It goes without saying that the sealing medium is preferably pressed into the injection path with overpressure.
- the body can be filled with the proppant before or after assembly, which on the one hand allows the body to be checked for the necessary proppant tightness and on the other hand facilitates assembly, for example with brackets or pipe clamps. Furthermore, after the body filled with proppants has been fastened to the joint surface, it can be checked whether the body is in the desired position and is securely fastened in the joint area.
- the body is advantageously filled with at least one liquid and / or gaseous proppant, in particular water and / or air.
- Liquid and / or gaseous proppants can be removed from the body in a simple manner, water and air being the cheapest and permanently available sealing materials which are also not environmentally hazardous.
- Water also has the advantage that it is almost incompressible and the injection path is not reduced in cross section due to the weight of the material of the second section by compressing the proppant.
- the proppant is particularly advantageously pressed into the body under pressure and can also be brought under pressure in the cavity of the body.
- these measures support the emergence of the proppant during its removal.
- the excess pressure causes the body, which is of flexible design due to its instability, to be overstretched, so that after the proppant has been let off, it not only detaches from the wall, but even contracts and can thus more easily open the injection route.
- the sealing medium is advantageously injected into the injection path via the connection or further additional connections, preferably under excess pressure.
- the connection necessary to let the proppant out of the body can therefore advantageously also be used for injecting the sealing medium.
- the fact that the sealant is pressed into the injection path with overpressure ensures that the sealant also enters all imperfections in the joint area.
- the sealant can also be injected through several locations or one or the other connection location can be closed or sealed, preferably after the sealing medium has escaped at the sealing location is so that as much air as possible has escaped from the injection path before sealing further connection points.
- a tube-like, unstable body of any cross-section which can be closed at the free ends, serves as a means, the cavity of which is filled with at least one proppant in order to form an injection path when creating the second section, for example a second concreting section by removing the support means from which the body detaches itself from the material of the second section, for example concrete.
- a space can be kept free with the help of the body as a kind of displaceable inner formwork, the sealing medium not being directed into the interior of the body and from there into defects in the joint area, but directly into the space kept free from the body in that the body can be removed from the walls of the space serving as the injection path.
- the body is unstable, i.e. not designed to be self-supporting, so that it collapses after removal of the proppant.
- Gaseous and / or liquid substances in particular air and / or water, are preferably used as the support means.
- Gas and / or liquid substances as proppants can be easily passed into the cavity of the body and also removed from it.
- Air and water are constantly available, cheap support agents that are also environmentally friendly.
- water has the advantage of incompressibility, so that due to the weight of the material of the second section, the body is not compressed and the cross-section of the injection route is not thereby reduced.
- the body preferably consists of a material which does not adhere, or at least very poorly, to the material of the second section, for example concrete.
- the aforementioned effect can expediently also be achieved in that the outer surface of the body facing the sections is coated, the coating with the material of the sections, for example the concrete, having no or at least poor adhesion. Since materials with the property of poor adhesion are generally more expensive than the materials for creating an unstable body, the production of the body can be made more cost-effective by a coating measure.
- the body When viewed in cross section, the body advantageously has the widest possible standing surface facing the joint surface, for example the concrete surface.
- the widest possible area is kept free in the area of the joint in which the sealant is to enter the imperfections, so that it is ensured that the sealing medium enters the joint area to be sealed.
- At least one of the free ends of the body is closed with a valve, so that the support material can be passed through the valve into the body in a simple manner, without the entry point for the support means subsequently having to be sealed in another way.
- the body is advantageously fastened to the joint surface, for example a concrete surface, using fasteners, in particular bow-like clamps, pipe clamps
- the fastening means ensure that the body does not move away from its predetermined position when the second section is created.
- the particularly proposed fastening means are inexpensive and simple and quick to use for fastening the body.
- a tubular body is used in the manner of an inflatable elastomer sealing profile.
- These profiles which are known per se, have a special profile cross section with an indented, membrane-like material reserve. They are inflated with air or a gas or filled with steam or a liquid such as water, so that the material reserve rolls outwards and the rolled profile occupies a certain space.
- the shape of the profile expediently takes place without material expansion, so that the shape change takes place without fatigue.
- the rolled-out material reserve springs back elastically when the pressure is released, so that there is a free space for an injection path outside the body which can be filled with injection material.
- the injection material will also compress the profile cross-section, insofar as it takes part in the material of the body, so that a sufficiently large injection path space is created.
- the means according to the invention for sealing a joint area between an element, for example a pipe, and a section, in particular a concrete section can be used, in particular if liquids are constantly or occasionally present on one side of the section.
- an element for example a pipe
- a section in particular a concrete section
- liquids are constantly or occasionally present on one side of the section.
- concrete pools filled with water in the concrete walls have pipe openings or other devices, such as headlights or the like, the joint area between the concrete walls and the elements used therein having to be carefully sealed in order to prevent water from penetrating into this area to avoid what can be done with the proposed means that this is wrapped around the element to create an injection path for the sealing medium, so that the sealing medium can then be entered or pressed into the injection path to safely and reliably the desired Establish tightness.
- the proposed means for sealing a connection point between two pipes can also be used for a pipe socket connection point.
- the tubular body is arranged in the area of the gap between the two pipes connected to one another by being placed around this area and forming a ring around the connection point, as in the relief connection.
- Leading the support means out of the body and injecting the sealing medium is advantageously carried out by creating a connection between the outside of the second section and the body, in particular through a bore between the outer wall of the second section and the body.
- the connection created enables the support means to be removed from the body in a simple manner, the same connection point then being able to be used to insert the sealing medium into the injection path created by the body.
- the support means can also be sucked out of the body with negative pressure, so that the body contracts completely and therefore no longer forms a cavity, as a result of which a maximum cross-sectional size of the injection path can be created.
- several connection points can also be created for draining off the support means or for injecting the sealing medium.
- the support means located in the body for example air and / or water, can be led out of the body. Due to the instability, ie the non-self-supporting property of the body 4, the body 4 will collapse after removal of the proppant and open the injection path for the sealing medium.
- the collapsing of the body 4 can be reinforced on the one hand by the fact that the surface of the body 4 does not adhere to the concrete of the concrete wall 24 due to its material or a coating, and on the other hand by the fact that the proppant may have a vacuum from the body 4 is removed.
- the body 4 can have a triangular shape in cross-section, the body 4 with the widest cross-sectional side being mounted on a joint surface.
- Fig. 3 shows a variant of the body 4 with side attachments 10 which have the task of increasing the footprint of the body 4 with respect to a joint surface.
- FIG. 4 shows in a further variant a trapezoidal cross section of the body 4, the longer base side of the trapezoid being applied to a joint surface in order, as explained, to broadly form the joint area for the sealing medium, viewed in cross section.
- cross-sectional shapes explained with reference to FIGS. 2 to 4 represent only a preferred selection of possible cross-sectional shapes, whereby it should be mentioned again here that the body 4 can have any desired cross-sectional shapes.
- FIG. 5 shows a preferred use of the body 4 shown with a triangular cross-sectional area for sealing a groundwater relief connection 12.
- the body 4 encircles the groundwater relief pipe 12 in the area in which the groundwater discharge pipe 12 penetrates the base plate 14, which is made of concrete.
- a ring-like encirclement of the body 4 is easily possible due to its flexible material properties.
- the location in the base plate 14, which is penetrated by the groundwater relief connection 12, is particularly at risk against penetrating groundwater or moisture, in particular if, as shown, the groundwater level 16 lies above the base plate 14.
- the body 4 Before concreting the base plate 14 - with an artificially lowered groundwater level 16 - the body 4 is placed in a ring around the groundwater relief connection 12 and fastened there with appropriate fastening means.
- FIG. 6 A further preferred use of the body 4, shown this time with a trapezoidal cross section, is shown in FIG. 6, the body 4 serving there to seal a connection point 22 between two pipes 18, 20.
- the tubes 18, 20 are placed together via a Z-shaped connection point 12.
- This connection point 12 is a weak point in pipelines with regard to the escape of media carried in the pipelines.
- the body 4 is attached directly to the connection point 22 by encompassing the connection point 22 like a ring.
- the body 4 is attached to the connection point 22 with corresponding fastening means, the body 4 preferably being filled with one or more supporting means before the fastening means are attached.
- the pipe connection point 22 shown is generally surrounded by a medium, for example mortar or soil or the like.
- FIG. 7 shows the use according to the invention of an inflatable elastomer sealing profile 30 which is known per se and which has a rolled-up material reserve 31 in the unloaded state (double-line representation).
- the sealing profile is with feet
- the feet 32 can be longitudinal webs or longitudinal web sections. Instead of the feet 32, pins or similar anchoring means can also be used
- the interior 34 of the sealing profile is pressurized so that the material reserve 31 rolls outwards and assumes the profile shape drawn in black, so that a tube with a square cross section results. In this rolled-out form, the sealing profile with the concrete of the concrete wall
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Building Environments (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4116267.6 | 1991-05-17 | ||
DE19914116267 DE4116267A1 (de) | 1991-05-17 | 1991-05-17 | Verfahren und mittel zum abdichten einer fuge in einem baukoerper |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992020879A1 true WO1992020879A1 (de) | 1992-11-26 |
Family
ID=6431934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1992/001071 WO1992020879A1 (de) | 1991-05-17 | 1992-05-15 | Verfahren und mittel zum abdichten einer fuge in einem baukörper |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU1695792A (de) |
DE (1) | DE4116267A1 (de) |
WO (1) | WO1992020879A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994002694A1 (de) * | 1992-07-20 | 1994-02-03 | Rascor Spezialbau Gmbh | Vorrichtung und verfahren zum einpressen von injektionsgut in betonierfugensysteme |
GB2285648A (en) * | 1994-01-13 | 1995-07-19 | Colebrand Ltd | Tunnel lining |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19507087A1 (de) * | 1995-03-01 | 1996-11-14 | Hans Szepanski | Verfahren zum Abdichten von Fugen in Bauwerken mittels eines Dichtungsmittels sowie Schläuche zur Erstellung von Kanälen zum Injizieren von Dichtungsmitteln |
EP1774112A1 (de) * | 2004-08-03 | 2007-04-18 | Agrar Chemie AG | Dichtungseinrichtung mit hohlprofilstrang zum abdichten von einer fuge zwischen zwei baukörpern |
RU2555995C1 (ru) * | 2014-03-04 | 2015-07-10 | Артем Иванович Заковоротный | Способ заполнения швов декоративной облицовки бетонных конструкций |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1539550A (en) * | 1923-07-23 | 1925-05-26 | Harvey L Emery | Pneumatic molding machine for concrete blocks |
GB609209A (en) * | 1943-12-20 | 1948-09-28 | Ariosto Semeraro | Improved inflatable core for and method of moulding perforations in concrete, mortar, pottery or the like |
FR1080673A (fr) * | 1952-04-19 | 1954-12-13 | Dow Corning | Perfectionnement au moulage du béton |
CH600077A5 (en) * | 1976-04-06 | 1978-06-15 | Peter Kaufmann | Seal for gaps in concrete structures |
DE8335231U1 (de) * | 1983-12-08 | 1984-03-08 | De Neef Chemie S.A. N.V., 3100 Heist o/d Berg | Betonfugen-Dichtungsvorrichtung |
DE8608396U1 (de) * | 1986-03-27 | 1986-05-28 | Max Frank GmbH & Co KG, 8448 Leiblfing | Injektionsschlauch für Betonfugen |
GB2217760A (en) * | 1988-04-28 | 1989-11-01 | Takenaka Corp | Method of forming a joint between upper and lower concrete sections |
EP0418699A1 (de) * | 1989-09-08 | 1991-03-27 | René P. Schmid | Dichtungseinrichtung für Betonfugen sowie Verfahren zu ihrer Verfüllung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3429815C2 (de) * | 1984-03-29 | 1986-03-06 | SKS - Technik Säure- und Korrosionsschutz GmbH, 7320 Göppingen | Verfahren zum Abdichten von Arbeitsfugen in Beton |
-
1991
- 1991-05-17 DE DE19914116267 patent/DE4116267A1/de not_active Withdrawn
-
1992
- 1992-05-15 AU AU16957/92A patent/AU1695792A/en not_active Abandoned
- 1992-05-15 WO PCT/EP1992/001071 patent/WO1992020879A1/de active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1539550A (en) * | 1923-07-23 | 1925-05-26 | Harvey L Emery | Pneumatic molding machine for concrete blocks |
GB609209A (en) * | 1943-12-20 | 1948-09-28 | Ariosto Semeraro | Improved inflatable core for and method of moulding perforations in concrete, mortar, pottery or the like |
FR1080673A (fr) * | 1952-04-19 | 1954-12-13 | Dow Corning | Perfectionnement au moulage du béton |
CH600077A5 (en) * | 1976-04-06 | 1978-06-15 | Peter Kaufmann | Seal for gaps in concrete structures |
DE8335231U1 (de) * | 1983-12-08 | 1984-03-08 | De Neef Chemie S.A. N.V., 3100 Heist o/d Berg | Betonfugen-Dichtungsvorrichtung |
DE8608396U1 (de) * | 1986-03-27 | 1986-05-28 | Max Frank GmbH & Co KG, 8448 Leiblfing | Injektionsschlauch für Betonfugen |
GB2217760A (en) * | 1988-04-28 | 1989-11-01 | Takenaka Corp | Method of forming a joint between upper and lower concrete sections |
EP0418699A1 (de) * | 1989-09-08 | 1991-03-27 | René P. Schmid | Dichtungseinrichtung für Betonfugen sowie Verfahren zu ihrer Verfüllung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994002694A1 (de) * | 1992-07-20 | 1994-02-03 | Rascor Spezialbau Gmbh | Vorrichtung und verfahren zum einpressen von injektionsgut in betonierfugensysteme |
GB2285648A (en) * | 1994-01-13 | 1995-07-19 | Colebrand Ltd | Tunnel lining |
Also Published As
Publication number | Publication date |
---|---|
AU1695792A (en) | 1992-12-30 |
DE4116267A1 (de) | 1992-11-19 |
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