CN117948166A - Tunnel segment embedded sleeve and quick assembly method thereof - Google Patents
Tunnel segment embedded sleeve and quick assembly method thereof Download PDFInfo
- Publication number
- CN117948166A CN117948166A CN202410355613.0A CN202410355613A CN117948166A CN 117948166 A CN117948166 A CN 117948166A CN 202410355613 A CN202410355613 A CN 202410355613A CN 117948166 A CN117948166 A CN 117948166A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- sealing cover
- piece
- shaped supporting
- shaped
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 96
- 230000008093 supporting effect Effects 0.000 claims abstract description 91
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000007799 cork Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
-
- 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
- E21D11/086—Methods of making concrete lining segments
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel segment embedded sleeve and a quick assembly method thereof, wherein the embedded sleeve comprises a cylindrical or truncated cone-shaped sleeve, the upper part and the lower part in the sleeve are respectively provided with a fixed supporting structure, the fixed supporting structure comprises a central sleeve positioned on a central shaft of the sleeve, the central sleeve is connected with a plurality of A-shaped supporting rods, the A-shaped supporting rods are connected with B-shaped supporting rods through telescopic cylinders, the telescopic cylinders are used for adjusting the distance between the connecting ends of the A-shaped supporting rods and the connecting ends of the B-shaped supporting rods, the B-shaped supporting rods are connected with connecting pieces, the connecting pieces penetrate through the wall of the sleeve and are connected with end fixing pieces on the outer side of the sleeve, connecting rods are arranged between the two central sleeves, sealing covers are arranged at the two ends of the sleeve, and the outer inclined surfaces of the sealing covers are determined according to the positions and the placement angles of the embedded sleeve in a segment, so that the sealing covers at the two ends of the embedded sleeve are matched with the top plate surface of a segment die. The embedded sleeve can meet the layout requirement of the multi-angle embedded sleeve on the shield segment, and meanwhile, the internal components can be recycled.
Description
Technical Field
The invention belongs to the technical field of tunnel engineering, and particularly relates to a tunnel segment embedded sleeve and a quick assembly method thereof.
Background
In urban rail transit construction, an interval tunnel is often constructed by a shield method, and when a certain poor stratum or a sensitive building exists on the ground under the interval, an in-hole grouting scheme is often adopted, so that grouting is required to drill holes in duct pieces. In addition, in some connecting channels constructed by adopting a freezing method, a plurality of drilling holes with different angles are drilled on the pipe piece for installing the freezing pipe, and the hole is re-drilled on the assembled pipe piece, so that the structure safety is influenced, and the site construction efficiency is lower. At present, to radial drilling on some duct pieces, an embedded sleeve scheme is often adopted, and the embedded sleeve is positioned and fixed by arranging a fixing screw through drilling on a duct piece steel die in advance, so that the prefabricated efficiency of the duct piece is influenced, the service life of the duct piece die is also influenced, and the bottom plate of the duct piece die with an arc surface is easy to leak slurry. For the arrangement of the freezing pipes, the pipe pieces are arc-shaped, and the pipe pieces are generally processed by adopting relatively closed steel dies, so that the embedded sleeves of the large number of the freezing pipes with multiple angles are basically difficult to construct, and the freezing pipes in the rail transit communication channels are still constructed by adopting direct drilling.
Aiming at the problems, the tunnel segment embedded sleeve and the quick assembly method are provided, the laying requirements of the multi-angle embedded sleeve on the shield segment can be met, drilling on a steel die is not needed, the service life of the steel die is not influenced, meanwhile, part of components in the embedded sleeve can be recycled, and the low-carbon design concept is met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a tunnel segment embedded sleeve and a rapid assembly method.
The invention is realized by the following technical scheme:
in one aspect, the present invention provides a tunnel segment pre-buried sleeve, including:
the sleeve is cylindrical or round table-shaped;
The fixed support structure is arranged at the upper part and the lower part in the sleeve, the fixed support structure comprises a center sleeve, the center sleeve is positioned on a center shaft of the sleeve, the center sleeve is connected with a plurality of A-shaped supporting rods, the A-shaped supporting rods are connected with telescopic cylinders, the telescopic cylinders are connected with B-shaped supporting rods, the telescopic cylinders are used for adjusting the distance between the connecting ends of the A-shaped supporting rods and the connecting ends of the B-shaped supporting rods, the B-shaped supporting rods are connected with connecting pieces, and the connecting pieces penetrate through the wall of the sleeve and are connected with end fixing pieces at the outer side of the sleeve;
The connecting rod is used for connecting the central sleeves of the two fixed supporting structures in the sleeve;
The sealing covers are arranged at the two ends of the sleeve, the inclination angle of the outer inclined surface of the sealing cover is determined according to the position and the placement angle of the tunnel duct piece embedded sleeve in the duct piece, the sealing covers at the two ends of the sleeve are tightly matched with the bottom plate surface of the top plate of the prefabricated duct piece die, and the sealing covers are connected with the central sleeve of the adjacent fixed supporting structure.
Further, be equipped with a plurality of inner support structures between upper portion fixed support structure and the lower part bearing structure in the sleeve pipe, inner support structure is including being connected with the center sleeve of a plurality of type A vaulting poles, type A vaulting pole passes through telescopic cylinder connects C type vaulting pole, C type vaulting pole one end is provided with and is used for supporting the enlarged footing of sleeve pipe inner wall.
Further, the center sleeves of the adjacent inner support structures and the center sleeves of the inner support structures are respectively connected with the center sleeves of the fixed support structures through the connecting rods, or the center sleeves of the inner support structures are sleeved with the connecting rods between the upper fixed support structures and the lower support structures.
Further, a sleeve for installing the fixing rod is arranged on the end fixing piece.
Further, the connecting piece is of a folded structure, the vertical side face is connected with the end fixing piece, and the horizontal side face is connected with the B-shaped supporting rod.
Further, the sealing cover comprises an outer sealing cover and an inner sealing cover, the sealing joint of the outer sealing cover and the inner sealing cover is a plane, the outer side of the outer sealing cover is an inclined plane or a plane which is attached to the upper bottom surface and the lower bottom surface of the duct piece die, the outer sealing cover is connected with the inner sealing cover through concave-convex thread grooves, and the inner sealing cover is connected with the central sleeve of the fixed supporting structure.
Further, the center of the inner sealing cover is provided with a bolt groove for penetrating through a sealing cover fixing piece bolt, the center of the inner side of the outer sealing cover is provided with a sinking groove corresponding to the penetrating position of the bolt, the bolt penetrating through the bolt groove is fixed through a nut, the other end of the bolt is fixed on a round steel plate of the sealing cover fixing piece, and the round steel plate is provided with a rod piece connected with a center sleeve of the fixing support structure.
Further, the cover mount is provided with a spacer between the nut and the inner cover.
Further, the fixing support structure further comprises a throat hoop arranged on the outer side of the sleeve, and the end fixing piece is provided with a reserved hole for the throat hoop to pass through.
The invention also provides a quick assembly method of the tunnel segment embedded sleeve, which comprises the following steps:
S1, installing the connecting piece and the end fixing piece at the positions of the upper part and the lower part of the sleeve fixed supporting structure;
S2, splicing a central sleeve, an A-shaped supporting rod, a telescopic cylinder and a B-shaped supporting rod in the fixed supporting structure, and installing a target on the upper/lower central sleeve;
S3, connecting the B-shaped stay bar with the connecting piece by adjusting the telescopic cylinder, and completing the installation of the fixed supporting structure;
S4, placing the tunnel duct piece embedded sleeve at a duct piece position reserved in advance, installing a fixing rod on the end fixing piece, and temporarily overlapping the fixing rod on a steel reinforcement framework of the duct piece;
S5, placing a laser source for accurately determining the position at a designated position, injecting laser into a central sleeve in the sleeve, which is not provided with the target, and finally projecting the laser onto the target, finely adjusting the position of the tunnel segment embedded sleeve by utilizing a scribing line on the target, and welding the fixing rod onto a reinforcement cage for fixing after determining the final position;
S6, taking down the target, removing the connection between the B-shaped stay bar and the connecting piece in the upper/lower fixed supporting structure, installing the connecting rod, selectively installing the inner supporting structure according to the requirement, reconnecting the removed B-shaped stay bar and the connecting piece, and installing the sealing covers at the upper end and the lower end of the tunnel segment embedded sleeve;
S7, placing the duct piece reinforcement cage and the tunnel duct piece embedded sleeve into a prefabricated duct piece die together, and enabling the upper and lower sealing covers of the tunnel duct piece embedded sleeve to be tightly attached to the top plate and the bottom plate of the duct piece die;
s8, pouring concrete through a blanking opening of the prefabricated segment mould, vibrating by utilizing a base of the prefabricated segment mould, and finally completing the manufacture of the prefabricated segment;
S9, recovering the sealing cover, the connecting rod, the internal fixed supporting structure and the optional internal supporting structure, and determining whether to detach and recover the connecting piece and the sleeve together according to requirements.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can realize the rapid arrangement of the multi-angle tunnel segment embedded sleeve in the prefabricated segment structure;
2. The fixed support structure and the inner support structure provided by the invention can realize the rapid fixed connection of the tunnel segment embedded sleeve and the segment steel skeleton, can also facilitate the rapid positioning and installation of the tunnel segment embedded sleeve, and can meet the installation requirement of the flexible sleeve and ensure the integral deformation requirement of the tunnel segment embedded sleeve under strong vibration;
3. The arrangement of the sealing cover structure can meet the arrangement requirements of the embedded sleeves of the tunnel segments at various angles, avoids directly cutting the sleeve body, effectively controls the reworking times, improves the construction efficiency and reduces the material waste;
4. The steel mould of the prefabricated segment does not need to be provided with holes or welded, the existing steel mould is basically not influenced, and the service life of the steel mould is ensured;
5. The structure is simple in form, can be flexibly installed on site, is convenient to design, is easy to popularize in the assembly method, and can be recycled by fixing the supporting structure, the inner supporting structure, the sealing cover structure and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
Fig. 1 is a schematic diagram of an internal structure of a tunnel segment embedded sleeve according to an embodiment of the present invention;
Fig. 2 is an external view of a tunnel segment embedded sleeve according to an embodiment of the present invention;
FIG. 3 is a vertical sectional view of a central position of a tunnel segment embedded sleeve according to an embodiment of the invention;
FIG. 4 is a schematic view of a fixed support structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of an inner support structure according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of the outer and inner covers according to the embodiment of the invention;
FIG. 7 is a schematic view of a cover fastener according to an embodiment of the present invention;
Fig. 8 is a schematic diagram of a positioning state of a tunnel segment embedded sleeve according to an embodiment of the present invention;
Fig. 9 is a vertical sectional view of a prefabricated segment mold and an inner tunnel segment embedded sleeve according to an embodiment of the present invention.
Reference numerals in the drawings: 1-sleeve, 2-center sleeve, 3-A type stay bar, 4-B type stay bar, 5-C type stay bar, 6-telescopic cylinder, 7-connecting rod, 8-connecting piece, 9-end fixing piece, 10-throat hoop, 11-outer sealing cover, 12-inner sealing cover, 13-concave thread groove, 14-convex thread groove, 15-sinking groove, 16-bolt groove, 17-sealing cover fixing piece, 18-gasket, 19-fixing rod, 20-target, 21-segment mold, 22-segment mold base, 23-segment mold top plate, 24-segment mold bottom plate and 25-blanking mouth.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The invention discloses an embodiment of a tunnel segment embedded sleeve, which is shown in fig. 1 to 3, and comprises a sleeve 1 in a circular truncated cone shape, wherein the lower part of the sleeve 1 has small pipe diameter and the upper part has large pipe diameter, a fixed supporting structure and an inner supporting structure are arranged in the sleeve 1, the fixed supporting structure is connected with an end fixing piece 9 at the outer side of the sleeve 1 through a connecting piece 8, the side surface of the end fixing piece 9 is provided with a preformed hole for installing a throat hoop 10, the end fixing piece 9 is used for installing a fixing rod 19, and the upper port and the lower port of the sleeve 1 are provided with sealing covers; the inner supporting structure and the fixed supporting structure are connected by adopting a connecting rod 7, the fixed supporting structure and the inner sealing cover 12 are connected by adopting a sealing cover fixing piece 17, and the outer sealing cover 11 and the inner sealing cover 12 are connected by adopting concave-convex threads.
As shown in fig. 3, the sleeve 1 is a conical truncated cone sleeve, and can also be a conventional cylindrical straight sleeve, the upper part and the lower part of the sleeve 1 are symmetrically arranged, but the lower part is matched with a small-diameter pipe orifice, the upper part is matched with a large-diameter pipe orifice, and the side surface of the sealing cover is matched with the side surface of the sleeve 1 in conical degree; the upper side of the outer sealing cover 11 on the tunnel pipe piece embedded sleeve is an inclined plane, the angle of the inclined plane is determined by combining the arrangement of the sleeve 1 in the pipe piece die, and the inclined plane of the outer sealing cover 11 can be ensured to be closely attached to the pipe piece die top plate 23 and the pipe piece die bottom plate 24; the fixed rod 19 arranged on the outer side of the tunnel segment embedded sleeve is welded with the steel bar framework of the concrete segment, and when the tunnel segment embedded sleeve needs to be distributed on the segment at multiple angles, only the matched outer sealing cover 11 needs to be replaced; the sleeve 1 is arranged in a circular truncated cone shape, when the sleeve is arranged on a circular segment, the inner side of the segment is small, the outer side of the segment is large, the movable angle of the drill rod in the circular truncated cone-shaped sleeve 1 is larger, the drill hole with an angle is more convenient to be erected outwards in the segment, and meanwhile, the hole sealing of the inverted circular truncated cone can be formed during later pouring, so that post-pouring blocking concrete is prevented from falling off.
As shown in fig. 4, the fixed supporting structure comprises 1 central sleeve 2,4 a-shaped supporting rods 3,4 telescopic cylinders 6, 4B-shaped supporting rods 4,4 folded connecting pieces 8 and 4 end fixing pieces 9, wherein the central sleeve 2 is of a thin-wall steel tube, the center of the central sleeve 2 coincides with the central shaft of the sleeve 1, the central sleeve 2 is welded with the a-shaped supporting rods 3 uniformly distributed all around, threads are arranged inside the central sleeve, the central sleeve can be connected with the end part of the connecting rod 7 through threads, can be connected with the sealing cover fixing pieces 17 through threads, can be connected with the target 20 through threads, and is provided with scale marks on the upper part of the target 20, so that the laser positioning of the tunnel duct piece embedded sleeve is facilitated, and the expansibility of the fixed supporting structure can be improved through the threaded connection mode of the central sleeve 2. One end of the A-shaped stay bar 3 is welded with the central sleeve 2, the other end of the A-shaped stay bar is connected with the telescopic cylinder 6, and only rotary movement and radial piston movement can not occur between the A-shaped stay bar and the telescopic cylinder 6 are realized through arranging concave-convex grooves; the other end of the telescopic cylinder 6 is in threaded connection with the B-shaped supporting rod 4, the diameter of the telescopic cylinder 6 is slightly larger than that of the B-shaped supporting rod 4, and the telescopic cylinder 6 is provided with internal threads and is of a hollow structure; the B-shaped stay bar 4 is provided with external threads near one end of the telescopic tube 6, a certain space is reserved between the A-shaped stay bar 3 and the B-shaped stay bar 4, when the telescopic tube 6 is rotated in the forward direction, the B-shaped stay bar 4 can move radially towards the side near the central shaft of the sleeve 1, and when the telescopic tube is rotated in the reverse direction, the B-shaped stay bar 4 can move radially towards the side far away from the central shaft of the sleeve 1. The A-shaped stay bar and the telescopic cylinder 6 can be connected by screw threads, but the screw thread direction is opposite to the screw thread of the connecting end of the B-shaped stay bar, so that the opposite or relative movement between the connecting ends of the A-shaped stay bar and the B-shaped stay bar is realized by adjusting the rotation direction of the telescopic cylinder 6. The end, far away from the telescopic cylinder 6, of the B-shaped stay bar 4 is provided with a flat head, and the flat head is connected with the transverse side surface of the folding connecting piece 8 through a screw; the joint of the folded connecting piece 8 and the flat head end of the B-shaped supporting rod 4 is a horizontal plane, the inner wall side of the joint sleeve 1 is a vertical surface, the surface of the close joint is consistent with the taper of the inner wall of the sleeve 1 and is closely arranged, and a screw arranged on the folded connecting piece 8 penetrates through the wall of the sleeve 1 and can penetrate into the end fixing piece 9 to form fastening connection; the surface of the close contact part of the end fixing piece 9 and the sleeve 1 is consistent with the taper of the inner wall of the sleeve 1 and is in close contact arrangement, the vertical surface far away from one side can be properly adjusted according to the angle of the fixing rod 19, in addition, a preformed hole is formed in the middle of the two side surfaces of the end fixing piece 9, so that the laryngeal cuff 10 is convenient to install, the stability of a fixed supporting structure is enhanced, the sleeve is arranged on the outward side of the end fixing piece 9, and the fixing rod 19 is convenient to install; the fixing rod 19 is welded with the steel reinforcement framework in the pipe piece structure, and can select straight-line, arc-shaped and bent rod pieces according to welding convenience.
As shown in fig. 5, the inner support structure mainly comprises 1 central sleeve 2,4 a-shaped supporting rods 3, 4 telescopic cylinders 6 and 4C-shaped supporting rods 5, and the inner support structure is connected with the fixed support structure by a connecting rod 7; one end of the C-shaped stay bar 5 is in threaded connection with the telescopic cylinder 6, and can radially move in the telescopic cylinder 6 by screwing the telescopic cylinder 6, and the other end of the C-shaped stay bar is provided with an expansion head which can be clung to the pipe wall of the sleeve 1; the inner supporting structure can provide supporting effect for the sleeve 1 mainly when the wall of the sleeve 1 is thinner or the pouring vibrating force of the concrete structure is larger, and the conventional sleeve can reduce the setting of the inner supporting structure or does not adopt the inner supporting structure.
As shown in fig. 6 and 7, the sealing cover comprises an outer sealing cover 11, an inner sealing cover 12, a gasket 18 and a sealing cover fixing piece 17, wherein the outer side of the outer sealing cover 11 is an inclined surface, the sealing joint part of the outer sealing cover 11 and the inner sealing cover 12 is a plane, the outer sealing cover 11 can be prefabricated in advance to obtain inclined surfaces with various angles, a cork or rubber and other materials can be selected to obtain proper inclined surfaces in practical application through on-site cutting, a male thread groove 14 and a female thread groove 15 are arranged at the lower part of the outer sealing cover 11, the male thread groove 14 can be in threaded connection with a female thread groove 13 at the upper part of the inner sealing cover 12, and the female thread groove 15 is mainly used for meeting the installation space of the sealing cover fixing piece 17; the joint side of the inner sealing cover 12 and the outer sealing cover 11 is provided with a bolt groove 16 and a concave thread groove 13, the bolt groove 16 is an arc-shaped hole, a certain rotary movement space can be provided for the inner sealing cover 12, the lower part is provided with a concave closing-in section with a certain thickness, the upper part of the tunnel segment embedded sleeve can be better plugged, and the slurry is prevented from invading into the sleeve 1 during concrete segment pouring; the inner sealing cover 12 and the fixed supporting structure are in fastening connection by adopting a sealing cover fixing piece 17 and a gasket 18, 4 screws are arranged at the upper part of the sealing cover fixing piece 17 and can pass through the bolt groove 16 and the gasket 18 and are fixed by nuts, a round steel plate is arranged at the lower part of the sealing cover fixing piece 17, a rod piece with external threads is welded at the lower part, and the rod piece can be in threaded connection with the central sleeve 2; the outer sealing cover 11 is connected with the inner sealing cover 12 through concave-convex thread grooves, so that the screw connection interface at the end part of the tunnel segment embedded sleeve can be avoided, and meanwhile, the sealing cover fixing piece 17 can be protected in the concrete pouring and vibrating process, so that cement slurry is prevented from invading the thread connection part, and the later-stage structure cannot be disassembled; the direct cutting of the sleeve 1 body in the tunnel segment embedded sleeve can be avoided through the sealing cover, and the quick layout of the multi-angle tunnel segment embedded sleeve can be realized through the on-site cutting by prefabricating the outer sealing covers 11 with different angles in advance or selecting the outer sealing covers 11 made of cork, rubber and other materials; meanwhile, the flexible outer sealing cover 11 can solve the problem that the conventional steel sleeve 1 and the duct piece die 21 are difficult to keep close under the strong vibrating action, and avoid the hole forming and welding operation on the duct piece die 21; in addition, even if the sealing cover structure cannot be closely attached to the inner wall of the duct piece mold 21 in the concrete vibrating process, due to the sealing property of the tunnel duct piece embedded sleeve, a cavity can be formed in the range of the duct piece embedded sleeve, and after the duct piece is manufactured, only part of thin shell concrete on two sides of the cavity is cleaned; the inclined plane of the outer sealing cover 11 can be modified and adjusted to be an arc surface according to the outlines of some horseshoe tunnels, rectangular tunnels and the like so as to adapt to the installation of embedded sleeves of different tunnel structures.
The invention also discloses an embodiment of the quick assembly method for the tunnel segment embedded sleeve, as shown in fig. 8 and 9, comprising the following steps:
S1, a preformed hole on the wall of a tunnel segment embedded sleeve is utilized, a folded connecting piece 8 and an end fixing piece 9 in a supporting structure are fixed on the upper part and the lower part of the installation sleeve 1, and the installation sleeve is fixed by utilizing screws.
S2, splicing the central sleeve 2, the A-shaped supporting rod 3, the telescopic cylinder 6 and the B-shaped supporting rod 4 in the fixed supporting structure, and installing the target 20 on the upper part of the central sleeve 2 at the lower part.
S3, properly rotating and adjusting the telescopic cylinder 6 to align the B-shaped stay bar 4 with a screw hole on the horizontal plane of the folded connecting piece, and finally completing the installation of all the fixed supporting structures by using screws and tensioning the hose clamp 10.
S4, placing the tunnel segment embedded sleeve at a position reserved in advance, and selecting a proper fixing rod 19 to be temporarily lapped on a steel reinforcement framework of the segment.
S5, injecting positioning laser into the central sleeve 2 on the upper portion of the tunnel segment embedded sleeve, finally projecting the positioning laser onto the target 20, finely adjusting the position of the tunnel segment embedded sleeve by utilizing a scribing line on the target 20, and welding and fixing the tunnel segment embedded sleeve onto a reinforcement cage by utilizing the fixing rod 19 after determining the final position.
S6, taking down the target 20, removing screws of the B-shaped stay bar 4 and the folded connecting piece 8 of the upper fixed supporting mechanism, installing the inner supporting structure and the connecting rod, then reconnecting the B-shaped stay bar 4 and the folded connecting piece 8 of the upper fixed supporting structure, installing the sealing cover fixing pieces 17 of the upper part and the lower part of the tunnel segment embedded sleeve, fixing the inner sealing cover 12 by using the gasket 18 and the nut, and finally installing the outer sealing cover 11 by using the concave thread groove 13 and the convex thread groove 14.
S7, placing the duct piece reinforcement cage and the tunnel duct piece embedded sleeve into a prefabricated duct piece die 21, wherein the upper outer sealing cover 11 is tightly attached to a duct piece die top plate 23, and the lower outer sealing cover 11 is tightly attached to a duct piece die bottom plate 24.
S8, pouring concrete through the blanking opening 25, vibrating by utilizing the duct piece die base 22, and finally completing the manufacture of the prefabricated duct piece.
S9, taking down the sealing cover structure, recovering the fixed supporting structure, the connecting rod 7 and the inner supporting structure, and disassembling the folding connecting piece 8 and the sleeve 1 according to the requirement.
The step S5 should ensure that the laser passes through the center of the center sleeve 2 and can be mapped in the center of the target 20, when the hollow diameter of the center sleeve 2 is larger, the positioning accuracy of the tunnel segment embedded sleeve is poor, and the hollow diameter of the center sleeve 2 is reduced by the aid of a custom fitting and connected to the center sleeve 2 through threads, so that the laser passes through the center shaft of the center sleeve 2, and the positioning accuracy of the tunnel segment embedded sleeve is ensured.
In step S6, the bevel angle of the outer cover 11 should be consistent with the pre-buried design angle of the duct piece, and the outer cover can be tightly attached to the inner wall of the prefabricated duct piece mold 21, if the field measurement finds that the design bevel is inconsistent or can not be tightly attached to the inner wall, the bevel angle of the outer cover structure can be adjusted by properly rotating the reserved arc-shaped strip-shaped bolt slot 16, or the outer cover structure with multiple angles can be prefabricated in advance, and the outer cover 11 can be directly replaced by the proper outer cover 11 on the spot, or the outer cover 11 made of cork or rubber and other materials can be selected, and the proper bevel can be obtained by field cutting.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Claims (10)
1. The utility model provides a tunnel segment pre-buried sleeve pipe which characterized in that includes:
the sleeve is cylindrical or round table-shaped;
The fixed support structure is arranged at the upper part and the lower part in the sleeve, the fixed support structure comprises a center sleeve, the center sleeve is positioned on a center shaft of the sleeve, the center sleeve is connected with a plurality of A-shaped supporting rods, the A-shaped supporting rods are connected with telescopic cylinders, the telescopic cylinders are connected with B-shaped supporting rods, the telescopic cylinders are used for adjusting the distance between the connecting ends of the A-shaped supporting rods and the connecting ends of the B-shaped supporting rods, the B-shaped supporting rods are connected with connecting pieces, and the connecting pieces penetrate through the wall of the sleeve and are connected with end fixing pieces at the outer side of the sleeve;
The connecting rod is used for connecting the central sleeves of the two fixed supporting structures in the sleeve;
The sealing covers are arranged at the two ends of the sleeve, the inclination angle of the outer inclined surface of the sealing cover is determined according to the position and the placement angle of the tunnel duct piece embedded sleeve in the duct piece, the sealing covers at the two ends of the sleeve are tightly matched with the bottom plate surface of the top plate of the prefabricated duct piece die, and the sealing covers are connected with the central sleeve of the adjacent fixed supporting structure.
2. The tunnel segment pre-buried sleeve according to claim 1, wherein a plurality of inner supporting structures are arranged between an upper fixed supporting structure and a lower supporting structure in the sleeve, the inner supporting structures comprise a central sleeve connected with a plurality of A-shaped supporting rods, the A-shaped supporting rods are connected with C-shaped supporting rods through telescopic cylinders, and one end of each C-shaped supporting rod is provided with an expanding head for supporting the inner wall of the sleeve.
3. The tunnel segment pre-buried sleeve according to claim 2, wherein the central sleeves of adjacent inner support structures and the central sleeves of the fixed support structures are respectively connected through the connecting rods, or the central sleeves of the inner support structures are sleeved into the connecting rods between the upper fixed support structures and the lower support structures.
4. The tunnel segment pre-buried sleeve according to claim 1, wherein the end fixing piece is provided with a sleeve for installing a fixing rod.
5. The tunnel segment pre-buried sleeve according to claim 1, wherein the connecting piece is of a folded structure, the vertical side surface is connected with the end fixing piece, and the horizontal side surface is connected with the B-shaped supporting rod.
6. The tunnel segment pre-buried sleeve according to claim 1, wherein the sealing cover comprises an outer sealing cover and an inner sealing cover, a sealing joint of the outer sealing cover and the inner sealing cover is a plane, the outer side of the outer sealing cover is an inclined plane or a plane which is attached to the upper bottom surface and the lower bottom surface of the segment mold, the outer sealing cover is connected with the inner sealing cover through a concave-convex thread groove, and the inner sealing cover is connected with a central sleeve of the fixed supporting structure.
7. The tunnel segment pre-buried sleeve according to claim 6, wherein a bolt groove for penetrating through a bolt of the sealing cover fixing piece is formed in the center of the inner sealing cover, a sinking groove is formed in the center of the inner side of the outer sealing cover corresponding to the penetrating position of the bolt, the bolt penetrating through the bolt groove is fixed through a nut, the other end of the bolt is fixed on a round steel plate of the sealing cover fixing piece, and a rod piece connected with a central sleeve of the fixing supporting structure is arranged on the round steel plate.
8. The tunnel segment pre-buried sleeve according to claim 7, wherein said cover mount is provided with a spacer between said nut and said inner cover.
9. The tunnel segment pre-buried sleeve according to claim 1, wherein the fixed support structure further comprises a throat hoop mounted on the outer side of the sleeve, and the end fixing piece is provided with a preformed hole for the throat hoop to pass through.
10. A rapid assembly method of a tunnel segment pre-buried sleeve according to any one of claims 1 to 9, comprising the steps of:
S1, installing the connecting piece and the end fixing piece at the positions of the upper part and the lower part of the sleeve fixed supporting structure;
S2, splicing a central sleeve, an A-shaped supporting rod, a telescopic cylinder and a B-shaped supporting rod in the fixed supporting structure, and installing a target on the upper/lower central sleeve;
S3, connecting the B-shaped stay bar with the connecting piece by adjusting the telescopic cylinder, and completing the installation of the fixed supporting structure;
S4, placing the tunnel duct piece embedded sleeve at a duct piece position reserved in advance, installing a fixing rod on the end fixing piece, and temporarily overlapping the fixing rod on a steel reinforcement framework of the duct piece;
S5, placing a laser source for accurately determining the position at a designated position, injecting laser into a central sleeve in the sleeve, which is not provided with the target, and finally projecting the laser onto the target, finely adjusting the position of the tunnel segment embedded sleeve by utilizing a scribing line on the target, and welding the fixing rod onto a reinforcement cage for fixing after determining the final position;
S6, taking down the target, removing the connection between the B-shaped stay bar and the connecting piece in the upper/lower fixed supporting structure, installing the connecting rod, selectively installing the inner supporting structure according to the requirement, reconnecting the removed B-shaped stay bar and the connecting piece, and installing the sealing covers at the upper end and the lower end of the tunnel segment embedded sleeve;
S7, placing the duct piece reinforcement cage and the tunnel duct piece embedded sleeve into a prefabricated duct piece die together, and enabling the upper and lower sealing covers of the tunnel duct piece embedded sleeve to be tightly attached to the top plate and the bottom plate of the duct piece die;
s8, pouring concrete through a blanking opening of the prefabricated segment mould, vibrating by utilizing a base of the prefabricated segment mould, and finally completing the manufacture of the prefabricated segment;
S9, recovering the sealing cover, the connecting rod, the internal fixed supporting structure and the optional internal supporting structure, and determining whether to detach and recover the connecting piece and the sleeve together according to requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410355613.0A CN117948166B (en) | 2024-03-27 | 2024-03-27 | Tunnel segment embedded sleeve and quick assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410355613.0A CN117948166B (en) | 2024-03-27 | 2024-03-27 | Tunnel segment embedded sleeve and quick assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117948166A true CN117948166A (en) | 2024-04-30 |
| CN117948166B CN117948166B (en) | 2024-06-11 |
Family
ID=90794742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410355613.0A Active CN117948166B (en) | 2024-03-27 | 2024-03-27 | Tunnel segment embedded sleeve and quick assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117948166B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0033820A2 (en) * | 1979-06-25 | 1981-08-19 | Pantex-Stahl AG | Tubbing, use of this tubbing and method of constructing it |
| CN202954822U (en) * | 2012-07-09 | 2013-05-29 | 江苏牧羊集团有限公司 | Multipurpose steel tube slice pre-assembly mould |
| FR3023867A1 (en) * | 2014-07-18 | 2016-01-22 | Vinci Construction Grands Projets | SPECIAL TIGHTENING SHOULDER FOR A TUNNEL, SET OF SUCH SPECIAL TIGHTS, COATING COMPRISING SUCH AN ASSEMBLY AND ASSOCIATED METHOD |
| CN108060928A (en) * | 2017-12-15 | 2018-05-22 | 中山大学 | Shield tunnel multiple tube piece ring structure, assembling method and the manufacturing method of compound section of jurisdiction |
| CN207634090U (en) * | 2017-11-24 | 2018-07-20 | 警通建设（集团）有限公司 | Tunnel inverted arch formwork for placing |
| CN108798715A (en) * | 2018-06-05 | 2018-11-13 | 中建三局第三建设工程有限责任公司 | A kind of tunnel type pipe gallery sectional type component assembly method |
| CN110645014A (en) * | 2019-08-21 | 2020-01-03 | 上海数久信息科技有限公司 | Fixing device for tunnel shield segment surface |
| WO2020024268A1 (en) * | 2018-08-01 | 2020-02-06 | 中铁第一勘察设计院集团有限公司 | Tunnel precast lining assembly structure and method therefor |
| CN210118140U (en) * | 2018-12-20 | 2020-02-28 | 中铁二院工程集团有限责任公司 | Inverted arch supporting assembly suitable for tunnel prefabricated segment lining structure of excavator method |
| WO2023246349A1 (en) * | 2022-06-24 | 2023-12-28 | 宁波用躬科技有限公司 | Jacking system for contact channel tunneling construction and construction method using same |
-
2024
- 2024-03-27 CN CN202410355613.0A patent/CN117948166B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0033820A2 (en) * | 1979-06-25 | 1981-08-19 | Pantex-Stahl AG | Tubbing, use of this tubbing and method of constructing it |
| CN202954822U (en) * | 2012-07-09 | 2013-05-29 | 江苏牧羊集团有限公司 | Multipurpose steel tube slice pre-assembly mould |
| FR3023867A1 (en) * | 2014-07-18 | 2016-01-22 | Vinci Construction Grands Projets | SPECIAL TIGHTENING SHOULDER FOR A TUNNEL, SET OF SUCH SPECIAL TIGHTS, COATING COMPRISING SUCH AN ASSEMBLY AND ASSOCIATED METHOD |
| CN207634090U (en) * | 2017-11-24 | 2018-07-20 | 警通建设（集团）有限公司 | Tunnel inverted arch formwork for placing |
| CN108060928A (en) * | 2017-12-15 | 2018-05-22 | 中山大学 | Shield tunnel multiple tube piece ring structure, assembling method and the manufacturing method of compound section of jurisdiction |
| CN108798715A (en) * | 2018-06-05 | 2018-11-13 | 中建三局第三建设工程有限责任公司 | A kind of tunnel type pipe gallery sectional type component assembly method |
| WO2020024268A1 (en) * | 2018-08-01 | 2020-02-06 | 中铁第一勘察设计院集团有限公司 | Tunnel precast lining assembly structure and method therefor |
| CN210118140U (en) * | 2018-12-20 | 2020-02-28 | 中铁二院工程集团有限责任公司 | Inverted arch supporting assembly suitable for tunnel prefabricated segment lining structure of excavator method |
| CN110645014A (en) * | 2019-08-21 | 2020-01-03 | 上海数久信息科技有限公司 | Fixing device for tunnel shield segment surface |
| WO2023246349A1 (en) * | 2022-06-24 | 2023-12-28 | 宁波用躬科技有限公司 | Jacking system for contact channel tunneling construction and construction method using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117948166B (en) | 2024-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108678258B (en) | Large-span hemispherical reinforced concrete dome structure and construction method thereof | |
| CN204753844U (en) | Circular steel tube concrete column sleeve connected node | |
| CN113550317B (en) | Permanent-temporary combined supporting structure and construction method for open excavation reverse construction foundation pit of large shield starting well | |
| CN108005401A (en) | A kind of support and change method of the column of existing frame structure base isolation reinforcement | |
| CN108316290B (en) | One-column one-pile structure without bearing platform and construction method thereof | |
| CN106704708B (en) | The supporting structure and its construction method of heat distribution pipeline in pipe gallery | |
| CN117948166B (en) | Tunnel segment embedded sleeve and quick assembly method thereof | |
| CN115142474A (en) | Tool type shaping steel template for road at wellhead of inspection well and construction method thereof | |
| CN215804585U (en) | Lining structure with local detachable repair function | |
| CN107514012A (en) | A kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template | |
| CN212612447U (en) | Double-barrelled slip casting stock structure | |
| CN108661301B (en) | Modular assembly platform for vertical frames of well frames and use method | |
| CN203834809U (en) | Steel pipe column structure for steel pipe column concrete side pouring method | |
| CN206887936U (en) | A kind of prefabricated pile and foundation connection structure | |
| CN214301761U (en) | Staple bolt-bolt hybrid node and foundation pit inner support structure | |
| CN212200401U (en) | Static pressure pipe pile | |
| CN212562491U (en) | Water stop section embedded pipe structure | |
| CN202610984U (en) | Connecting joint between steel pipe concrete column and steel reinforce concrete girder | |
| CN108571012B (en) | Piping lane construction joint integrated installation mold construction technology | |
| CN208072391U (en) | One pile for one column structure without cushion cap | |
| CN206396749U (en) | Vertical strengthening ribs enhanced bellows grouting pile pile splicing structure | |
| CN220167500U (en) | Concrete form leak protection thick liquid structure | |
| CN221524862U (en) | Shield segment embedded part | |
| CN219731971U (en) | Steel pipe concrete pile convenient to connect | |
| CN217601403U (en) | Grouting sleeve valve pipe behind soft intermediate layer of ground |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |