EP1243752A1 - Tübbing für einen Tunnelausbau, insbesondere Hochleistungstübbing - Google Patents
Tübbing für einen Tunnelausbau, insbesondere Hochleistungstübbing Download PDFInfo
- Publication number
- EP1243752A1 EP1243752A1 EP02006027A EP02006027A EP1243752A1 EP 1243752 A1 EP1243752 A1 EP 1243752A1 EP 02006027 A EP02006027 A EP 02006027A EP 02006027 A EP02006027 A EP 02006027A EP 1243752 A1 EP1243752 A1 EP 1243752A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubbing
- segment
- formwork
- concrete
- steel
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 77
- 239000010959 steel Substances 0.000 claims abstract description 77
- 239000002184 metal Substances 0.000 claims abstract description 62
- 239000004567 concrete Substances 0.000 claims abstract description 40
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 230000002787 reinforcement Effects 0.000 claims description 103
- 238000009415 formwork Methods 0.000 claims description 37
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 23
- 238000010168 coupling process Methods 0.000 description 23
- 238000005859 coupling reaction Methods 0.000 description 23
- 238000004873 anchoring Methods 0.000 description 19
- 230000000295 complement effect Effects 0.000 description 9
- 238000005452 bending Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- 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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
Definitions
- the invention relates to a tubbing, in particular one High-performance tubbing for a tubbing ring for underground Tunnel lining.
- - Tunnel tubes for example Serving as subway lines are often used in shield driving manufactured with segmental lining.
- the tunnel tube will be there of arranged one behind the other in the longitudinal direction of the tunnel Segment rings lined.
- Each segment ring consists of a majority distributed over the circumference of the segment ring individual segments. Between two neighboring tubbing rings or between two adjacent segments of these two tubbing rings is the so-called Annulus. Between the segments of a segment ring are each arranged the so-called longitudinal joints.
- tubbings with different To provide reinforcements. For example, it is known to reinforce the concrete of the segment with steel fibers. Moreover it is basically also known other reinforcement elements or aggregates in the concrete of the segments. These well-known tubbings can also have a high impact Forces or high loads only within certain limits catch without impairments or damage. at Very high loads can also cause the cracks mentioned here occur that the functional safety of the tunnel lining question.
- the invention is based on the technical problem to specify a segment of the type mentioned at the beginning, which is also suitable for the action of very high forces or for the absorption of very high loads is suitable and in the disadvantageous or the functional reliability of the tunnel lining impairing flaking and cracking can be largely avoided.
- the invention teaches a tubbing, in particular a high-performance tubbing for a tubbing ring for underground tunnel expansion, the tubbing is made of concrete and the concrete is reinforced with steel fibers and wherein at least one metal rod reinforcement element is integrated into the concrete on the ring joint side.
- - Concrete reinforced with steel fibers is also called steel fiber concrete.
- a metal rod reinforcement element consists of steel.
- the term metal rod reinforcement element means a reinforcement element which consists of at least one metal rod which is expediently designed to be bent or folded.
- a metal bar reinforcement element preferably consists of a plurality of metal bars, which can also be bent or folded, which metal bars preferably cross and are expediently welded to one another.
- the fact that a metal bar reinforcement element is integrated into the concrete means in particular that the metal bar reinforcement element is located inside the concrete or is covered by concrete of the segment.
- the metal bar reinforcement element arranged in the area of a ring joint of the segment is.
- a tubbing has two opposite Ring joint sides on. It is therefore within the framework of the invention that at least one metal rod reinforcement element according to the invention on each ring joint side of the segment is arranged.
- metal bar reinforcement elements exclusively in the area the ring joint of the segment is provided. It can respective metal rod reinforcement element also on the corresponding longitudinal edge-side edge zones in this area extend at the ring joint.
- the concrete of the segment according to the invention is preferably reinforced with 20 to 70 kg / m 3 , for example 30 to 65 kg / m 3 , preferably with 320 to 50 kg / m 3 steel fibers. It is within the scope of the invention to provide a uniform distribution of the steel fibers in the concrete. In this respect, a random fiber distribution and orientation is appropriate. Steel fibers with a length / thickness ratio of 50 to 90, preferably 60 to 80, are preferably used. The strength of the steel fibers is expediently 1000 to 1400 N / mm 2 . High-strength fibers with a strength of 2,300 to 3,200 N / mm 2 can also be used.
- the concrete is reinforced with plastic fibers in addition to the steel fiber reinforcement.
- plastic fibers are preferably polyalkene fibers, very preferably polypropylene fibers. It is within the scope of the invention to use plastic fibers that melt at temperatures above 150 ° C. and form fine channels. These channels are used to reduce the vapor pressure in the event of a fire.
- the fiber content of plastic fibers is advantageously 1 to 5 kg / m 3 , preferably 1 to 4 kg / m 3 and very preferably 2 to 3 kg / m 3 .
- Both the steel fibers and the plastic fibers are preferably distributed homogeneously and isotropically in the concrete matrix.
- high-strength concrete for the tubbing according to the invention which in particular has a compressive strength of 60 60 N / mm 2 . It is also within the scope of the invention to use concrete for the tubbing, which belongs to a strength class from B 55.
- self-compacting concrete can be selected for the production of a segment.
- An embodiment of the invention is characterized in that a supplement is used for the concrete of the segment, for which a maximum grain size limit of 16 mm is realized. It is within the scope of the invention to use aggregates made of basalt and / or granite for the concrete of the segment.
- the special purposes of the invention importance of which is arranged at least one metal rod reinforcing element in a ring-join-side region of the tubbing its width B 1 5 to 35%, preferably 5 to 30%, preferably 5 to 25% of total Width B of the segment corresponds. It is within the scope of the invention that the width B 1 corresponds to 5 to 20%, preferably 5 to 15%, very preferably 10 to 15% of the total width B of the segment. Width B means the expansion of the segment in the longitudinal direction of the tunnel when the segment is installed.
- At least one metal bar reinforcement element is arranged only in the area of the segment on the ring joint side or preferably in each of the two regions of the segment on the ring joint side with the width B 1 .
- at least 40% by weight, preferably at least 50% by weight, of the at least one metal rod reinforcement element is in the area of the width B 1 on the ring joint side or in each of the two areas on the ring joint side having the width B 1 .
- At least 60% by weight, preferably more than 75% by weight, very preferably more than 80% by weight, of the at least one metal rod reinforcement element to be in the area of the width B 1 on the ring joint side or in each of the two areas on the ring joint side having the width B 1 , If the two areas on the ring joint side are mentioned above, two metal rod reinforcement elements are expediently provided, each of which is assigned to an area on the ring joint side. The percentages given apply to each of these metal bar reinforcement elements.
- At least 60% by weight, preferably at least 70% by weight, preferably at least 75% by weight, of the metal rod reinforcement element or of the components of the metal rod reinforcement element are arranged in a region which has a width a, which differs from a ring joint surface and / or from the tunnel inner surface and / or from the tunnel outer surface and / or from at least one longitudinal joint side surface of the segment into the segment interior and that the width a preferably 5 to 30%, preferably 5 to 25%, very preferably 5 corresponds to 20% of the thickness d of the segment.
- Thickness d refers to the expansion of the segment in the radial direction of a tunnel extension.
- the metal rod reinforcement element arranged in the region of the width a or the components of the metal rod reinforcement element arranged therein are also arranged in the region of the segment of the segment with the width B 1 explained on the ring joint side. It is within the scope of the invention that more than 50% by weight of the metal bar reinforcement element or the components of the metal bar reinforcement element are arranged in the area of the segment with the width B 1 on the ring joint side.
- at least one metal bar reinforcement element, which is arranged in the edge zone on the inside of the tunnel with the width a is arranged at a distance of 5 to 10 cm, preferably 6 to 8 cm, from the surface on the inside of the tunnel.
- the embodiment mentioned above is characterized in particular by a high level of resistance in the event of a fire.
- a metal rod reinforcement element according to the invention is a metal rod reinforcement element according to the invention as Reinforcement cage.
- the reinforcement cage can preferably U-shaped rebar and / or closed have annular reinforcement stirrups. Conveniently, the reinforcement stirrups in the segment are parallel to each other arranged.
- a reinforcement cage has furthermore longitudinal reinforcement bars attached to the Reinforcement brackets are connected, preferably welded on are. The longitudinal reinforcement bars are expediently vertical or essentially perpendicular to the reinforcement stirrups or arranged to the legs of the reinforcement bracket.
- a tubbing preferably contains two metal rod reinforcement elements, in the area of the two ring joints are arranged.
- a preferred embodiment of the invention is thereby characterized in that at least one steel insert in the ring-joint surface of the segment is concreted. Expedient are in both ring joint surfaces steel segments are concreted in.
- a Steel insert can be according to a preferred embodiment to be a steel plate that has at least one Forms part of the ring joint surface of the segment. Expediently at least 40%, preferably at least 50% of a ring joint surface of the Tubbings formed by a steel insert.
- the invention is the entire ring joint side Surface formed by the steel insert.
- a steel insert also in at least one longitudinal joint surface of an inventive Concrete concreted. It can also entire surface of the segment along the longitudinal joint of the Steel insert are formed.
- a tubbing according to the invention a coupling element on each of its two ring joint sides has or on the one ring joint side a coupling element has and on its other ring joint side has a complementary coupling element.
- the coupling element one over at least most of the length 1 of the Tubbing's running groove.
- This groove is then expedient for a positive connection with a complementary coupling element forming spring element provided, which spring element over most of the length 1 of the second segment runs.
- Length 1 of the tubbing means in The rest of the segment in the direction of the segment circumference or in the circumferential direction of the tunnel. Length 1 refers the arch length of the segment.
- the coupling element over the entire length 1 of the Tübbings extending groove and is then the complementary coupling element one along the entire length of the second Tubbings running spring element.
- a cam is on the ring joint side at least one cam as a coupling element arranged for the tubbing.
- This cam is for a positive Connection provided with a pot-like recess, which pot-like recess as a complementary coupling element is arranged on the second tubbing. at this coupling in the ring joints is a Pot cam gearing. It is within the scope of the invention that a cam has the shape of a truncated cone with top or rounding on the pot side.
- the steel insert concreted into the surface of the segment a steel pin as a coupling element that for a positive connection with a corresponding one Steel pocket as a complementary coupling element in the second adjacent segment ring is provided.
- the steel pin can be rectangular or circular in cross section his.
- Cross-section refers to the cross-sectional area parallel to the ring joint.
- the anchoring element is expediently a steel element, which preferably to the Steel insert of the segment is welded on.
- the anchoring element can, for example, in the form of anchoring bars and / or as an anchor loop and / or as an anchor bracket be executed.
- anchoring elements can also be used dowel bolts, which are expedient are welded to the steel insert. It lies in the context of the invention that the extension e of an anchoring element inside the tubbings more than that Double the thickness D of the steel insert is.
- the extension e of the anchoring element is more than three times, preferably more than four times that Thickness D of the steel insert.
- Extent here means the extension of the anchoring element in the direction parallel to Longitudinal direction of the tunnel or parallel to the longitudinal axis of the tunnel.
- Thickness D of the steel insert expediently means the thickest part of the steel insert.
- a Metal rod reinforcement element at least one spacer connected up to the surface of the tubbing extends.
- a metal bar reinforcement element a plurality of spacers connected, which each extend to the surface of the tubbing.
- the spacers can in particular extend to an annular joint surface of the segment. It is also within the scope of the invention that the spacers to at least one longitudinal joint side Extend surface of the segment and / or up to the Surface of the tubbing inside the tunnel or / or to to the surface of the tubbing outside the tunnel.
- the invention also teaches a method for producing a tubbing according to the invention, wherein at least one metal rod reinforcement element is introduced into a formwork for a segment and is held at a distance from the formwork walls with the aid of spacers and is detachably fastened to the formwork, wherein concrete which has not yet hardened is then poured into the formwork and, after the concrete has hardened, the fastening of the metal rod reinforcement element to the formwork is released. It is within the scope of the invention for the metal rod reinforcement element to be introduced into an area of the width B 1 on the ring joint side or, at least for the most part, to be located in the area of the width B 1 on the ring joint side.
- the invention is used as spacers hollow hollow sleeves are used and are used for releasable attachment of the metal rod reinforcement element the formwork through the formwork fasteners inserted into the sleeves.
- the sleeves made of steel and preferably it is Steel threaded sleeves.
- sleeves made of plastic and / or fiber-reinforced Use cement are also within the scope of Invention.
- the invention is the metal rod reinforcement element with in the sleeves used as spacers engaging fasteners attached.
- the mounting plate which in the form of a flat steel on the metal reinforcement element can be attached, preferably has at least a hole for receiving a fastener on.
- a fastener one connected to the metal bar reinforcement element Mounting plate and then engages in one as a spacer inserted sleeve.
- fasteners screw and / or Connector elements are used.
- screw fasteners can, for example, thread screws be used.
- Process is at least one in the surface of the Steel insert to be concreted into the formwork introduced and releasably attached to the formwork and after the hardening of the concrete becomes the fastening of the steel insert loosened again on the formwork.
- the steel insert is arranged that it is in a ring joint surface of the Tubbings is concreted.
- the fastening of the steel insert on the formwork or on the formwork wall expediently with fasteners in the form of Screw connection elements and / or connector elements.
- a steel insert can also with the help of at least one magnet on the Formwork can be fixed. Because of the attachment of a Steel inlay on the formwork can be particularly precise
- the steel insert is concreted. It's in the frame of the method according to the invention that steel inserts each ring joint side and one on each longitudinal joint side Tubbings can be concreted.
- the invention is based on the knowledge that a tubbing according to the invention or high-performance tubbing itself due to a surprisingly high mechanical resistance distinguished and compared from the prior art known tubbings has a very high level of stability.
- a tubbing according to the invention is, as it were, a highly elastic one Support element with optimal wearing properties
- the tubbing reinforced according to the invention shows a relative good deformability and for this reason can mechanical loads are reliably absorbed become. Furthermore, there is a high tensile strength for the tubbing and given bending tensile strength.
- a method for producing a segment can be a very precise mounting of the metal bar reinforcement elements realized with defined distances to the edge of the segment become.
- the reinforcement elements contribute to the surprisingly optimal mechanical properties of the segment effectively.
- at the tubbing according to the invention can be compared with the State of the art known Tübbings crack developments and Flaking can be reduced considerably. With significant Overuse is at best harmless Fine crack distribution instead.
- Because of the excellent mechanical properties of the segment according to the invention can reduce the segment thickness d compared to known segments be less than 35 cm, for example.
- Fig. 1 shows a tunnel tube for an underground one Tunnel expansion, which tunnel tube from the invention Tubbings 1 is built.
- the segments 1 essentially exist made of concrete and each cylindrical section educated.
- Several segments 1 form a segment ring 2 and the adjoining segment rings 2 form the tunnel tube.
- the joint between two neighboring ones Segment rings 2 are referred to as ring joints 3.
- the joint between two neighboring segments 1 of a segment ring 2 is referred to as the longitudinal joint 4.
- a tubbing 1 according to the invention is preferably reinforced with steel fibers (not shown in the exemplary embodiment) and additionally with plastic fibers.
- at least one metal rod reinforcement element is integrated on the ring joint side, which in the exemplary embodiment is designed as a reinforcement cage 12.
- the reinforcement cage 12 is made of steel.
- the reinforcement cage 12 is constructed from U-shaped reinforcement brackets 13, with a plurality of U-shaped reinforcement brackets 13 preferably being arranged parallel to one another in the longitudinal direction of the segment 1.
- the parallel U-shaped reinforcement brackets 13 are connected by mutually parallel longitudinal reinforcement bars 14, which are expediently firmly connected to the U-shaped reinforcement brackets 13, preferably welded to them.
- the metal bar reinforcement element or, in the exemplary embodiment, the reinforcement cage 12 is located in a region of the segment on the ring joint side, the width B 1 of this region on the ring joint side preferably and in the exemplary embodiment corresponding to 10 to 15% of the total width B of the segment 1.
- Reinforcement cages 12 are expediently only provided in the two corresponding areas of the segment 1 on the ring joint side.
- the metal rod reinforcement element or the reinforcement cage 12 or the components of the reinforcement cage 12 are arranged in an edge zone 15 on the ring joint side with the width a and in an edge zone 16 on the outside of the tunnel with the width a and in an edge zone 17 on the inside of the tunnel with the width a arranged.
- the width a extends from the surface 6 of the ring joint or from the surface 29 on the outside of the tunnel or from the surface 28 on the inside of the tunnel into the interior of the segment and preferably and in the exemplary embodiment corresponds to a maximum of 30% of the thickness d of the segment.
- the reinforcement cages 12 are arranged on the two ring joint sides of the segment 1 only in the edge zones 15, 16, 17. It is within the scope of the invention that the reinforcement cage 12 with its reinforcement cage components also extends over the corresponding edge zones (not shown) of the segment 1 on the longitudinal joint side.
- the steel insert preferably has 5 a coupling element for a positive connection with a complementary coupling element on one second adjacent tubbing 1 'in an adjacent Segment ring 2 on.
- the steel insert 5 forms a coupling element that from a running over the length 1 of the segment 1, 1 ' Groove 7 exists.
- Length 1 means the arc length of the Tubbings 1, 1 '(see Fig. 1).
- the groove 7 is for one positive connection with a over the length 1 of the second tubbing 1 'extending spring element 8 is provided.
- the spring element 8 is made of steel and further there are also the groove flanks 9 made of steel. It is also in the Framework of the invention that both the groove flanks 9 and the groove bottom 18 of the groove 7 consist of steel. There. preferably and in the exemplary embodiment, both the groove 7 and the spring element 8 over the entire length 1 of the respective Tubbings 1, 1 'extend, both groove 7 and extend also spring element 8 over the entire circumference of the respective Tübbingringes 2.
- Fig. 2 it can also be seen that to the groove flanks forming the steel insert 5 of the segment 1 9 each have an anchoring rod 10 as an anchoring element is connected, the anchoring rods 10 are welded to the groove flanks 9.
- the extension e the anchoring rods 10 (with respect to the longitudinal direction of the tunnel or with respect to the direction of the longitudinal axis of the tunnel) in the Inside of the tubbing 1 is preferably and in Embodiment a multiple of the thickness D of the steel insert 5. It is within the scope of the invention that several Anchor rods 10 each on a groove flank. 9 connected are and in the longitudinal direction of the segment 1 are arranged side by side. 2 is also recognizable that the steel insert 5 of the segment 1 ' forming spring element 8 an anchoring bracket 11 as an anchoring element connected. There can be several this anchor bracket 11 in the longitudinal direction of the tubbing 1 'to be arranged side by side.
- the Anchoring elements with the adjacent reinforcement cage 12 connected expediently welded.
- FIG. 3 shows a further embodiment of the invention Tubbings 1, 1 '.
- the tubbing has 1 ring joint side at least one cam 24 as a coupling element.
- This cam 24 is for a positive connection a pot-like recess 25 as a complementary coupling element provided in the tubbing 1 '.
- the cam 24 has the shape of a truncated cone with rounding on the pot side on.
- an anchoring bracket 11 connected to the reinforcement cage 12 of the segment 1 is firmly connected.
- Recess 25 are two anchoring brackets 11 'and 11' ' connected, which also expediently with the assigned reinforcement cage 12 are firmly connected.
- Fig. 4 shows a further embodiment of an inventive Tubbings 1, in which the steel insert 5 a Has steel pin 26 as a coupling element for a positive connection with a corresponding steel bag 27 as a complementary coupling element in the second Tubbing 1 'is provided.
- the steel pin 26 can Cross-section rectangular or circular his.
- the steel pocket 27 also has a corresponding one Shape up.
- Cross-section refers to a cross-sectional area parallel to the ring joint.
- FIG. 5 illustrates the manufacturing method according to the invention of a segment 1.
- at least one Metal rod reinforcement element in the embodiment Reinforcement cage 12 in a formwork 30 for a segment 1 brought in.
- the spacers are preferred and in the embodiment as hollow inside Sleeves 32 formed.
- the sleeves 32 on the formwork 30th releasably attached. This was shown in the exemplary embodiment Fig. 5 performed with the aid of threaded screws 33, the one washer 34 each and the formwork wall 31 succeed.
- These threaded screws 33 are in the inside hollow sleeves 32 screwed.
- the Sleeves 32 expediently have a corresponding internal thread on.
- the reinforcement cage 12 On the sleeves 32 serving as spacers furthermore the reinforcement cage 12 is connected. To do so the reinforcement cage 12 each have mounting plates 35, connected to the reinforcement cage 12, preferably are welded on.
- the mounting plates 35 are expedient and in the exemplary embodiment with bores 36 equipped, which are intended for fasteners, executed in the embodiment as threaded screws 37 are.
- the threaded screws 37 reach through in each case Washers 38 and the holes 36 mentioned Mounting plate 35 and are each in a sleeve 32nd screwed.
- the length of the sleeves 32 is set up that the desired distance of the reinforcement cage 12 to The concrete edge of the finished segment 1 was adhered to exactly becomes. In the manner described above, a very precise and reliable fixation of the metal bar reinforcement element or the reinforcement cage 12 ensured.
- elongated holes not shown, for example oblique Elongated holes in the mounting plates 35 and / or in the Formwork wall 31 can be provided so that any Tolerances can be compensated.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
Description
wobei der Tübbing aus Beton besteht und der Beton mit Stahlfasern bewehrt ist
und wobei ringfugenseitig zumindest ein Metallstabbewehrungselement in den Beton integriert ist. - Mit Stahlfasern bewehrter Beton wird auch als Stahlfaserbeton bezeichnet. Es liegt im Rahmen der Erfindung, dass ein Metallstabbewehrungselement aus Stahl besteht. Mit dem Begriff Metallstabbewehrungselement ist erfindungsgemäß ein Bewehrungselement gemeint, das aus zumindest einem Metallstab besteht, der zweckmäßigerweise gebogen bzw. gekantet ausgeführt ist. Bevorzugt besteht ein Metallstabbewehrungselement aus einer Mehrzahl von Metallstäben, die auch gebogen bzw. gekantet sein können, welche Metallstäbe sich vorzugsweise kreuzen und zweckmäßigerweise miteinander verschweißt sind. Dass ein Metallstabbewehrungselement in den Beton integriert ist meint im Rahmen der Erfindung insbesondere, dass sich das Metallstabbewehrungselement im Innern des Betons befindet bzw. von Beton des Tübbings bedeckt ist.
wobei zumindest ein Metallstabbewehrungselement in eine Schalung für einen Tübbing eingebracht wird und mit Hilfe von Abstandshaltern beabstandet von den Schalungswandungen gehalten wird sowie an der Schalung lösbar befestigt wird,
wobei anschließend noch nicht erhärteter Beton in die Schalung eingefüllt wird und wobei nach dem Erhärten des Betons die Befestigung des Metallstabbewehrungselementes an der Schalung gelöst wird. - Es liegt dabei im Rahmen der Erfindung, dass das Metallstabbewehrungselement in einen ringfugenseitigen Bereich der Breite B1 eingebracht wird bzw. sich nach dem Befestigen zumindest zum größten Teil in dem ringfugenseitigen Bereich der Breite B1 befindet.
- Fig. 1
- eine perspektivische Ansicht eines Tunnelausbaus mit erfindungsgemäßen Tübbings,
- Fig. 2
- einen Schnitt A-A aus Fig. 1,
- Fig. 3
- den Gegenstand nach Fig. 2 in einer anderen Ausführungsform,
- Fig. 4
- den Gegenstand gemäß Fig. 2 in einer weiteren Ausführungsform und
- Fig. 5
- einen erfindungsgemäßen Tübbing in einer Schalung im Schnitt.
Claims (12)
- Tübbing (1), insbesondere Hochleistungstübbing für einen Tübbingring (2) zum unterirdischen Tunnelausbau,
wobei der Tübbing (1) aus Beton besteht und der Beton mit Stahlfasern bewehrt ist
und wobei ringfugenseitig zumindest ein Metallstabbewehrungselement in den Beton integriert ist. - Tübbing nach Anspruch 1, wobei der Beton mit 20 bis 70 kg/m3, vorzugsweise mit 30 bis 50 kg/m3 Stahlfasern bewehrt ist.
- Tübbing nach Anspruch 1 oder 2, wobei der Beton zusätzlich mit Kunststofffasern bewehrt ist.
- Tübbing nach einem der Ansprüche 1 bis 3, wobei das zumindest eine Metallstabbewehrungselement in einem ringfugenseitigen Bereich des Tübbings (1) angeordnet ist, dessen Breite B1 5 bis 35 %, vorzugsweise 5 bis 30 %, bevorzugt 5 bis 25 % der gesamten Breite B des Tübbings (1) entspricht.
- Tübbing nach einem der Ansprüche 1 bis 4, wobei zumindest 60 Gew.-%, vorzugsweise zumindest 70 Gew.-% des Metallstabbewehrungselementes oder der Komponenten des Metallstabbewehrungselementes in einem Bereich angeordnet ist, der eine Breite a aufweist, die sich von einer ringfugenseitigen Oberfläche (6) und/oder von der tunnelinnenseitigen Oberfläche (28) und/oder von der tunnelaußenseitigen Oberfläche (29) und/oder von zumindest einer längsfugenseitigen Oberfläche des Tübbings (1) ins Tübbinginnere erstreckt, und dass die Breite a vorzugsweise 5 bis 30 %, bevorzugt 5 bis 25 %, sehr bevorzugt 5 bis 20 % der Dicke d des Tübbings (1) entspricht.
- Tübbing nach einem der Ansprüche 1 bis 5, wobei zumindest eine Stahleinlage (5) in die ringfugenseitige Oberfläche (6) des Tübbings (1) einbetoniert ist.
- Tübbing nach einem der Ansprüche 1 bis 6, wobei an das Metallstabbewehrungselement Abstandshalter angeschlossen sind, die sich bis zur Oberfläche des Tübbings (1) erstrecken.
- Verfahren zur Herstellung eines Tübbings nach einem der Ansprüche 1 bis 7,
wobei zumindest ein Metallstabbewehrungselement in eine Schalung (30) für einen Tübbing (1) eingebracht wird und mit Hilfe von Abstandshaltern beabstandet von den Schalungswandungen (31) gehalten wird sowie an der Schalung (30) lösbar befestigt wird,
wobei anschließend noch nicht erhärteter Beton in die Schalung (30) eingefüllt wird
und wobei nach dem Erhärten des Betons die Befestigung des Metallstabbewehrungselementes an der Schalung gelöst wird. - Verfahren nach Anspruch 8, wobei als Abstandshalter innen hohl ausgebildete Hülsen (32) eingesetzt werden und wobei zur lösbaren Befestigung des Metallstabbewehrungselementes an der Schalung (30) die Schalung (30) durchgreifende Befestigungselemente in die Hülsen (32) eingebracht werden.
- Verfahren nach Anspruch 9, wobei das Metallstabbewehrungselement mit in die als Abstandshalter eingesetzten Hülsen (32) eingreifenden Befestigungselementen befestigt wird.
- Verfahren nach einem der Ansprüche 8 bis 10, wobei als Befestigungselemente Schraub- und/oder Steckverbindungselemente eingesetzt werden.
- Verfahren nach einem der Ansprüche 1 bis 11, wobei zumindest eine in die Oberfläche des Tübbings (1) einzubetonierende Stahleinlage (5) in die Schalung (30) eingebracht wird und an der Schalung (30) lösbar befestigt wird und wobei nach dem Erhärten des Betons die Befestigung der Stahleinlage (5) an der Schalung (30) gelöst wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10114616A DE10114616A1 (de) | 2001-03-23 | 2001-03-23 | Tübbing, insbesondere Hochleistungstübbing |
DE10114616 | 2001-03-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1243752A1 true EP1243752A1 (de) | 2002-09-25 |
EP1243752B1 EP1243752B1 (de) | 2007-05-23 |
Family
ID=7678949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02006027A Expired - Lifetime EP1243752B1 (de) | 2001-03-23 | 2002-03-16 | Tübbing für einen Tunnelausbau, insbesondere Hochleistungstübbing |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1243752B1 (de) |
AT (1) | ATE363017T1 (de) |
DE (2) | DE10114616A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2063070A2 (de) * | 2007-11-20 | 2009-05-27 | Max Bögl Fertigteilwerke GmbH & Co. KG | Schalung und Verfahren zur Herstellung präziser Betonfertigteile sowie Betonfertigteil |
CN110259454A (zh) * | 2019-07-16 | 2019-09-20 | 西南交通大学 | 一种可拆卸式钢波纹板围圈护壁及相应施工工法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005011008A1 (de) * | 2005-03-10 | 2006-09-14 | Eberhardt, Günter | Vorrichtung mit einem Stahlbetontübbingarmierungskorb |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1585770A (en) * | 1976-08-05 | 1981-03-11 | Tsuzuki J | Concrete segment |
DE3213952A1 (de) * | 1982-04-16 | 1983-10-27 | Ruhrkohle Ag, 4300 Essen | Ausbau fuer den tunnelbau, insbesondere im untertagebergbau mit hilfe von gekruemmten stahlbetonfertigschalen |
US4545701A (en) * | 1982-08-06 | 1985-10-08 | Junichi Tsuzuki | Tunnel wall structure |
EP0624714A2 (de) * | 1993-05-11 | 1994-11-17 | Tokyo Gas Co., Ltd. | Ausbauelement, sowie Verfahren und Vorrichtung zu seiner Fertigung |
EP0716216A2 (de) * | 1994-12-05 | 1996-06-12 | Philipp Holzmann AG | Tübbing-Anordnung zum Auskleiden von Tunneln |
EP0841468A1 (de) * | 1996-11-06 | 1998-05-13 | Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann | Brandschutzsicherung für Tunnelausbau aus Stahlbetontübbings |
DE19841047C1 (de) * | 1998-09-09 | 2000-01-13 | Hochtief Ag Hoch Tiefbauten | Verfahren und Vorrichtung zum Herstellen von Tübbingen für eine Tunnelauskleidung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2103684B (en) * | 1981-08-07 | 1985-09-04 | Commercial Shearing | Tunnel liners |
-
2001
- 2001-03-23 DE DE10114616A patent/DE10114616A1/de not_active Withdrawn
-
2002
- 2002-03-16 DE DE50210184T patent/DE50210184D1/de not_active Expired - Lifetime
- 2002-03-16 AT AT02006027T patent/ATE363017T1/de not_active IP Right Cessation
- 2002-03-16 EP EP02006027A patent/EP1243752B1/de not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1585770A (en) * | 1976-08-05 | 1981-03-11 | Tsuzuki J | Concrete segment |
DE3213952A1 (de) * | 1982-04-16 | 1983-10-27 | Ruhrkohle Ag, 4300 Essen | Ausbau fuer den tunnelbau, insbesondere im untertagebergbau mit hilfe von gekruemmten stahlbetonfertigschalen |
US4545701A (en) * | 1982-08-06 | 1985-10-08 | Junichi Tsuzuki | Tunnel wall structure |
EP0624714A2 (de) * | 1993-05-11 | 1994-11-17 | Tokyo Gas Co., Ltd. | Ausbauelement, sowie Verfahren und Vorrichtung zu seiner Fertigung |
EP0716216A2 (de) * | 1994-12-05 | 1996-06-12 | Philipp Holzmann AG | Tübbing-Anordnung zum Auskleiden von Tunneln |
EP0841468A1 (de) * | 1996-11-06 | 1998-05-13 | Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann | Brandschutzsicherung für Tunnelausbau aus Stahlbetontübbings |
DE19841047C1 (de) * | 1998-09-09 | 2000-01-13 | Hochtief Ag Hoch Tiefbauten | Verfahren und Vorrichtung zum Herstellen von Tübbingen für eine Tunnelauskleidung |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2063070A2 (de) * | 2007-11-20 | 2009-05-27 | Max Bögl Fertigteilwerke GmbH & Co. KG | Schalung und Verfahren zur Herstellung präziser Betonfertigteile sowie Betonfertigteil |
EP2063070A3 (de) * | 2007-11-20 | 2011-03-09 | Max Bögl Fertigteilwerke GmbH & Co. KG | Schalung und Verfahren zur Herstellung präziser Betonfertigteile sowie Betonfertigteil |
CN110259454A (zh) * | 2019-07-16 | 2019-09-20 | 西南交通大学 | 一种可拆卸式钢波纹板围圈护壁及相应施工工法 |
CN110259454B (zh) * | 2019-07-16 | 2024-03-22 | 西南交通大学 | 一种可拆卸式钢波纹板围圈护壁及相应施工工法 |
Also Published As
Publication number | Publication date |
---|---|
DE50210184D1 (de) | 2007-07-05 |
ATE363017T1 (de) | 2007-06-15 |
EP1243752B1 (de) | 2007-05-23 |
DE10114616A1 (de) | 2002-10-02 |
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