CN217632460U - Assembly type node connecting structure for communication channel - Google Patents
Assembly type node connecting structure for communication channel Download PDFInfo
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- CN217632460U CN217632460U CN202221748549.5U CN202221748549U CN217632460U CN 217632460 U CN217632460 U CN 217632460U CN 202221748549 U CN202221748549 U CN 202221748549U CN 217632460 U CN217632460 U CN 217632460U
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Abstract
The utility model discloses an assembly type nodal connection structure for contact passageway, include the main tunnel connection section of jurisdiction that links to each other with the ordinary section of jurisdiction in main tunnel, the contact passageway end ring canal piece that links to each other with the standard ring section of jurisdiction in contact passageway, one side that the main tunnel connection section of jurisdiction deviates from tunnel space, one side that contact passageway end ring canal piece deviates from tunnel space all is provided with the reinforcement medium, be connected with rigid connection subassembly between main tunnel connection section of jurisdiction and the contact passageway end ring canal piece, consolidate the medium shutoff in one side that rigid connection subassembly deviates from tunnel inner space. Adopt the technical scheme of the utility model during, treat that contact passageway section of jurisdiction is under construction after, be connected rigid coupling subassembly with the component in advance to the realization is different from adopting cast in situ concrete to realize main tunnel structure and contact passageway structural connection, but adopts can carry out high-efficient the connection through mill's machine-shaping assembled component before contact passageway construction or in the work progress.
Description
Technical Field
The utility model relates to a contact passageway node technical field especially indicates contact is assembled nodal connection structure for passageway.
Background
Realize that contact channel structure and main tunnel structure's connection is the key step in the contact channel construction, present contact channel construction method adopts artifical undercut method more, and contact channel structure and main tunnel structure connected mode are mostly at main tunnel structural bar planting in this method, then are connected through cast-in-place connection structure with cast-in-place contact channel structure. However, the manual underground excavation method needs soil body reinforcement by a grouting method or a freezing method, the construction period is long, the main tunnel structure is mostly provided with prefabricated pipe segments and limited by the thickness of the pipe segments, and the bar planting effect is difficult to guarantee, so that the construction period of the connecting structure is long, and the connecting effect is difficult to guarantee.
If the utility model discloses a connection structure in contact passageway and interval tunnel that the grant bulletin day is 2019.10.25, the grant bulletin number is CN209539364U, contact passageway section of jurisdiction includes reinforced concrete section of jurisdiction and steel-pipe piece, and interval tunnel section of jurisdiction includes concrete section of jurisdiction and compound section of jurisdiction, connection structure is including connecting the steel-pipe piece with the annular steel sheet of compound section of jurisdiction, the annular steel sheet outside the steel-pipe piece with be provided with the leaking stoppage material in the clearance between the compound section of jurisdiction, the annular steel sheet is inboard compound section of jurisdiction with it is with even structure as an organic whole to have pour reinforced concrete between the steel-pipe piece. This patent adopts cast-in-place technique, because the tunnel inner space is little and the used concrete volume of connection structure is few, often causes connection structure to adopt the manual work method of pouring more, pours the inefficiency and pours the effect and be difficult for guaranteeing. In the modern tunnel technology, the 'treatment of seepage water damage of shield tunnel portal of operating subway' also mentions that one of the reasons of water leakage of the ring beam of the current portal is that concrete is not densely poured at present, so that a plurality of seepage channels are formed.
Along with the development of technique, the contact passageway has been built to the mechanical method and has been promoted, if the utility model discloses a 2019.10.22 is announced to the mandate date, the utility model patent of the mandate number is CN 209523766U discloses a waterproof construction that is used for mechanical method contact passageway and main tunnel junction, including the arc steel sheet, support the cavity, meet water inflation sealing rod, the arc steel sheet lateral wall leans on the terminal surface of the steel pipe piece that transversely sets up in the contact passageway, the top of arc steel sheet is connected on the terminal surface of the tunnel section of jurisdiction of main tunnel, the terminal surface of arc steel sheet seals the clearance between steel pipe piece and the tunnel section of jurisdiction through the welding seam, the outside of arc steel sheet is filled with rapid hardening type inorganic waterproof material, support the cavity setting and constitute the enclosed construction with the steel pipe piece at the inboard of arc steel sheet, tunnel section of jurisdiction, the arc steel sheet, fill reinforced concrete in the enclosed construction, each is provided with a water inflation sealing rod on the terminal surface of the inboard tunnel section of arc steel sheet and the inboard steel pipe piece of arc steel sheet.
Although the technical scheme disclosed in the patent adopts a rigid welding structure, a steel reinforcement cage is formed in the supporting cavity by adopting positioning steel bars, annular steel bars and anchor bars, then concrete is poured in the supporting cavity, and a series of manual operations such as steel bar distribution, formwork support, pouring and the like are required. Therefore, it is necessary to design a connection structure capable of realizing the assembly type construction of connection channel nodes to improve the construction efficiency and reliability of the connection structure.
Disclosure of Invention
Not enough to among the above-mentioned background art, the utility model provides an assembly type nodal connection structure for the contact passageway has solved the technical problem that current contact passageway nodal structure efficiency of construction is low.
The technical scheme of the application is as follows:
the utility model provides an assembled nodal connection structure for contact passageway, includes the main tunnel connection section of jurisdiction that links to each other with the ordinary section of jurisdiction of main tunnel, the contact passageway end ring canal piece that links to each other with the standard ring section of contact passageway, one side that the main tunnel connection section of jurisdiction deviates from the tunnel space, one side that the contact passageway end ring canal piece deviates from the tunnel space all are provided with the reinforcement medium, be connected with rigid connection subassembly between main tunnel connection section of jurisdiction and the contact passageway end ring canal piece, the shutoff of reinforcement medium is in one side that rigid connection subassembly deviates from the tunnel inner space. Through set up rigid connection subassembly between main tunnel connection section of jurisdiction, contact passageway end ring canal piece, treat that contact passageway section of jurisdiction construction is accomplished after, be connected rigid connection subassembly with the component in advance to the realization is different from adopting cast in situ concrete to realize main tunnel structure and contact passageway structural connection, but adopts and to carry out the high efficiency through factory's machine-shaping assembled component and connect before contact passageway construction or in the work progress.
Furthermore, the main tunnel connecting pipe piece and the rigid connecting component or/and the connecting channel end ring pipe piece and the rigid connecting component are in adjustable connection. By setting an adjustable connection mode, the connection of the assembled components can be realized under the condition that certain construction errors exist.
Furthermore, the main tunnel connecting pipe piece and the connection channel end ring pipe piece are provided with fixed connecting parts, and the rigid connecting component is provided with adjustable connecting parts matched with the fixed connecting parts. Or the main tunnel connecting pipe piece and the connection channel end ring pipe piece are provided with adjustable connecting parts, and the rigid connecting component is provided with a fixed connecting part matched with the fixed connecting part. The fixed connecting parts can be structures such as bolt sleeves and the like which are pre-embedded on the rigid connecting component, the main tunnel connecting pipe piece and the connection channel end ring pipe piece, and the adjustable connecting parts can be position-adjustable pre-embedded parts which are pre-embedded on the rigid connecting component, the main tunnel connecting pipe piece and the connection channel end ring pipe piece.
Further, the position that rigid coupling subassembly contact main tunnel connects the section of jurisdiction, the position that contacts linkage passageway end ring section of jurisdiction all are provided with stagnant water material, fully guarantee the stagnant water effect.
Furthermore, an inner support component is supported on the inner wall of the ring pipe sheet at the end of the communication channel, the rigid connecting component is connected with the support component, and the structural strength of a node is further ensured through the inner support component.
Furthermore, the inner support assembly comprises two connecting columns which are arranged at intervals, and the connecting columns are connected with the inner wall of the end ring segment of the connecting channel through an arched waist inner side connecting piece.
Furthermore, a connecting beam is arranged between the two connecting columns and is connected with the inner wall of the end ring duct piece of the connecting channel through a vertical connecting piece; the number of the connecting beams can be one or two, and when the number of the connecting beams is one, the connecting beams are arranged between the tops or the bottoms of the two connecting columns; when the tie beam sets up to two, all be provided with the tie beam between the top and the bottom of two spliced poles.
Further, rigid connection subassembly includes vertical linkage unit and side direction linkage unit, vertical linkage unit includes vault stagnant water spare, encircles the end stagnant water spare, side direction linkage unit includes that the left side encircles waist stagnant water spare, right side and encircles the waist stagnant water spare, vault stagnant water spare, encircle the end stagnant water spare, the left side encircles waist stagnant water spare, the right side encircles the waist stagnant water spare and connects for cyclic annular shutoff between main tunnel connection section of jurisdiction and contact passageway end ring canal piece.
Furthermore, the axial parts of the arch top water stop part and the arch bottom water stop part are connected with the inner annular wall of the main tunnel connecting pipe piece tunnel door in a sealing manner, and the radial parts of the arch top water stop part and the arch bottom water stop part are matched with the front end face of the connecting channel end ring pipe piece in a sealing manner and are connected with the connecting beam.
Furthermore, the axial parts of the left side arch water stopping piece and the right side arch water stopping piece are hermetically connected with the peripheral surface of the end ring pipe piece of the communication channel, and the radial parts of the left side arch water stopping piece and the right side arch water stopping piece are hermetically connected with the inner wall surface of the connecting pipe piece of the main tunnel.
Further, vault stagnant water piece, hunch end stagnant water piece, left side hunch waist stagnant water piece, right side hunch waist stagnant water piece paste and all be provided with the second stagnant water groove to one side that main tunnel connects the section of jurisdiction, paste to one side of junctor channel end ring section of jurisdiction, stagnant water material is including setting up first annular in the first stagnant water groove is sealed, is set up second annular in the second stagnant water groove is sealed.
Furthermore, the axial portion of vault stagnant water spare, the axial portion of hunch end stagnant water spare, the radial portion of left side hunch waist stagnant water spare, the radial portion of right side hunch waist stagnant water spare and main tunnel connection section of jurisdiction are adjustable to be connected, the radial portion of vault stagnant water spare, the radial portion of hunch end stagnant water spare, the axial portion of left side hunch waist stagnant water spare, the axial portion of right side hunch waist stagnant water spare and the adjustable connection of junctor passageway end ring section of jurisdiction or interior support subassembly.
Furthermore, outer side connecting pieces are arranged between the radial part of the arch top water stopping piece and the radial part of the arch bottom water stopping piece and the main tunnel connecting pipe piece, and the outer side connecting pieces are used for plugging the axial part of the arch top water stopping piece and the axial part of the arch bottom water stopping piece at the outer side of the tunnel space.
Furthermore, one end of the outer side connecting piece is welded or bolted with the radial part of the arch top water stopping piece or the arch bottom water stopping piece, and the other end of the outer side connecting piece is welded or bolted with the main tunnel connecting pipe piece.
Furthermore, a first lateral connecting piece is connected between the main tunnel connecting pipe piece and the connection channel end ring pipe piece, one end of the first lateral connecting piece is directly connected with the main tunnel connecting pipe piece, the other end of the first lateral connecting piece is directly connected with the connection channel end ring pipe piece, and the first lateral connecting piece seals the left side arch water stopping piece and the right side arch water stopping piece at the outer side of the tunnel space.
Further, be connected with between the axial portion of spliced pole and the left side arch waist sealing member or the axial portion of the right side arch waist sealing member and encircle waist outside connecting piece, it is connected with second lateral connecting piece to encircle between waist outside connecting piece and the main tunnel connection section of jurisdiction, second lateral connecting piece and arch waist outside connecting piece will encircle waist sealing member, the right side arch waist sealing member shutoff in the outside in tunnel space with the left side.
Compared with the prior art, the utility model adopts the assembly type connecting structure, solves the problems that the connecting structure in the prior art is inconvenient to pour concrete due to irregular shape, small concrete volume and difficult concrete transportation, thereby restricting the total construction period of the communication channel and the like, and can effectively reduce the construction risk; meanwhile, energy consumption can be effectively reduced by adopting the assembly type components.
The assembly type connecting structure mainly comprises components such as a main tunnel connecting pipe piece, a connecting channel end ring pipe piece, a connecting column, a connecting beam, a connecting plate and the like, wherein the main tunnel connecting pipe piece and the connecting channel end ring pipe piece are provided with pre-embedded bolts or pre-embedded parts with adjustable positions; the connecting columns, the connecting beams and the connecting plates are all steel members, are provided with bolt holes, and can be connected with main tunnel connecting pipe pieces or connecting channel end ring pipe pieces through bolts or welded.
The utility model determines the relative position relationship between the evacuation door opening of the communication channel and the reserved door opening of the main tunnel from the use function of the communication channel, thereby determining the specific size of each part in the connecting structure and realizing the factory prefabrication construction; meanwhile, pre-buried bolts or pre-buried parts with adjustable positions are arranged on the main tunnel connecting pipe piece and the connection channel end ring pipe piece, bolt holes are reserved in the connecting structure, the connecting structure can be connected with the main tunnel connecting pipe piece or the connection channel end ring pipe piece through bolts or welding, the connecting structure can be built in an assembly mode, and certain construction errors can be allowed.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1: a front view of the connection part of the communication channel and the main tunnel before the construction of the connection structure;
FIG. 2 is a schematic diagram: a front view of a connection position of the connection channel and the main tunnel after the connection structure is constructed;
FIG. 3: constructing sectional views of the assembled connecting structure at the arch top and the arch bottom of the connecting structure;
FIG. 4 is a schematic view of: a big sample drawing of an arch top or arch bottom assembly type connecting structure I;
FIG. 5 is a schematic view of: a sectional view of the assembled connecting structure at the arch waist after the connecting structure is constructed;
FIG. 6: a large sample drawing of a first arch waist assembly type connecting structure;
FIG. 7: front view of the vault water stop;
FIG. 8: a front view of the arch bottom water stop;
FIG. 9: a front view of the lateral connector;
FIG. 10: a front view of a vertical connector;
FIG. 11: a cross-sectional view of the adjustable position embedment;
FIG. 12: a front view of the left side corset water stop;
FIG. 13 is a schematic view of: a front view of the right side corset water stop;
FIG. 14 is a schematic view of: a front view of the first lateral connector;
FIG. 15: a second large sample drawing of the arch top or arch bottom assembly type connecting structure;
FIG. 16: a second large-scale drawing of the arch waist assembly type connecting structure;
1: the main tunnel is connected with the pipe piece;
2: common duct pieces of the main tunnel;
3: a standard ring segment of the communication channel;
4: a connecting channel end ring segment;
5: grouting (freezing) the pipe;
6: a reinforcing medium;
7: connecting columns;
8: a connecting beam;
9: first water stop, 9-1: vault stagnant water spare, 9-2: an arch bottom water stop member;
10: a connecting bolt;
11: an outboard connector;
12: a vertical connecting member;
13: a position-adjustable embedded part;
14: embedding a bolt sleeve;
15: a sealing gasket;
16: a water stopping material;
17: second water stop, 17-1: left side arch water stop, 17-2: a right side arched waist water stop;
18: haunch lateral connector, 18-1: a first lateral connector; 18-2: a second lateral connector;
19: an arch outer side connecting member;
20: an arch-waist inner connector;
21: adjusting the base plate;
22: a tunnel portal;
23: evacuating the door opening;
24: and reserving holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
At the beginning of designing the communication channel, the external size, the internal size and the structure thickness of the structure need to be determined; with reference to fig. 1, in order to satisfy the construction of the communication channel, a portal 22 needs to be reserved in the main tunnel, and the size of the portal 22 is closely related to the outer diameter of the communication channel structure; the communication channel is used as an evacuation channel between the main tunnels, and a certain evacuation door opening 23 is reserved when the connection structure is constructed. Assuming that the connection channel is of a circular structure, the diameter of the tunnel portal is D, and the outer dimension of the connection channel is D, the connection channel is located at the center of the tunnel portal of the main tunnel under theoretical conditions, and the distance between the outer edge of the connection channel structure and the tunnel portal 22 is (D-D)/2, but the construction deviation is unavoidable, so that the connection channel is easily eccentric in the tunnel portal, and the distance between the outer edge of the connection channel structure and the tunnel portal is 0 to (D-D). Meanwhile, the size of the evacuation door opening 23 and the position of the door 22 relative to the main tunnel are not changed, which causes that the relative positions of the evacuation door opening 23 and the communication channel structure are changed, and the change quantity is 0 to (D-D)/2. In order to achieve the goal of the connection structure to be capable of being fabricated, the connection plates in the connection structure should take the amount of variation into consideration.
An assembly type node connection structure for an interconnection channel is shown in figures 1 and 2 and comprises a main tunnel connection duct piece 1 connected with a main tunnel common duct piece 2 and an interconnection channel end ring pipe piece 4 connected with an interconnection channel standard ring duct piece 3.
The main tunnel connecting pipe piece 1 can be a steel pipe piece, a reinforced concrete pipe piece or a steel-concrete composite pipe piece and is arranged at the part connected with the connection channel end ring pipe piece 3; the common duct piece 2 of the main tunnel is generally a reinforced concrete duct piece; the standard ring duct piece 3 of the communication channel is generally a reinforced concrete duct piece; the connecting channel end ring segment 4 can be a steel pipe segment, a reinforced concrete segment or a steel-concrete composite segment, and is arranged at the intersection part of the connecting channel and the main tunnel.
The grouting pipe 5 is arranged at the proper position of the components such as the main tunnel connecting pipe piece 1 and the connecting channel end ring pipe piece 4, grouting equipment can perform grouting outside the pipe piece through the grouting pipe 5, and freezing reinforcement can be performed through the grouting pipe 5. And reinforcing media 6 are arranged on one side of the main tunnel connecting pipe piece 1 departing from the tunnel space and one side of the connecting channel end ring pipe piece 4 departing from the tunnel space. And after the connection channel end ring pipe piece 4 is constructed in place, grouting reinforcement or freezing reinforcement is carried out by using the main tunnel pipe piece and a grouting pipe 5 pre-embedded in the connection channel pipe piece, wherein the reinforcement medium is injected slurry or a freezing reinforcement body.
And a rigid connecting assembly is connected between the main tunnel connecting duct piece 1 and the connecting channel end ring pipe piece 4, and the reinforcing medium 6 is blocked on one side of the rigid connecting assembly, which is deviated from the inner space of the tunnel. Through set up rigidity coupling assembling between main tunnel connection section of jurisdiction 1, contact passageway end ring canal piece 4, treat that contact passageway section of jurisdiction construction is accomplished after, be connected rigidity coupling assembling with the component in advance to the realization is different from adopting cast in situ concrete to realize main tunnel structure and contact passageway structural connection, but adopts and to carry out the high efficiency connection through factory's machine-shaping assembled component before contact passageway construction or in the work progress.
On the basis of the above embodiment, as a preferable embodiment, the main tunnel connecting pipe piece 1 and the rigid connection component or/and the communication channel end ring pipe piece 4 and the rigid connection component are connected in an adjustable manner. By setting an adjustable connection mode, the connection of the assembled components can be realized under the condition that certain construction errors exist. Specifically, the main tunnel connecting duct piece 1 and the connection channel end ring pipe piece 4 are provided with fixed connecting parts, and the rigid connecting component is provided with an adjustable connecting part matched with the fixed connecting parts. Or the main tunnel connecting duct piece 1 and the connection channel end ring pipe piece 4 are provided with adjustable connecting parts, and the rigid connecting component is provided with a fixed connecting part matched with the fixed connecting part. The fixed connecting part can be a bolt sleeve and other structures which are pre-embedded on the rigid connection component, the main tunnel connection pipe piece 1 and the connection channel end ring pipe piece 4, and the adjustable connecting part can be an adjustable position pre-embedded part which is pre-embedded on the rigid connection component, the main tunnel connection pipe piece 1 and the connection channel end ring pipe piece 4.
As shown in fig. 4, 6 and 11, the position-adjustable embedded part 13 is groove-shaped, threads matched with the bolts are arranged at the two notches, and the rigid connection assembly is adjustably connected with the main tunnel connection duct piece 1 or the connection channel end ring pipe piece 4 through the matching of the bolts and the position-adjustable embedded part 13 at different positions. The position-adjustable embedded part 13 is arranged at a proper position of the main tunnel connecting segment 1, the connecting channel end ring pipe segment 4 and other components, can be connected with a bolt, and can achieve the purpose of adjusting the connecting position to a certain degree besides fixing components through the connection of the bolt and different positions of the bolt.
On the basis of the above embodiment, as an optimal embodiment, the position where the rigid connection assembly contacts the main tunnel connection segment 1 and the position where the rigid connection assembly contacts the end ring segment 4 of the connecting channel are both provided with the water stopping material 16, so that the water stopping effect is fully ensured.
On the basis of the above embodiment, as a preferable embodiment, the inner wall of the communication channel end ring pipe sheet 4 is supported with an inner support component, and the rigid connection component is connected with the support component, and the structural strength at the node is further ensured through the inner support component.
As a preferred embodiment of the inner support assembly, as shown in fig. 3 and 4, the inner support assembly includes two connecting columns 7 which are arranged at intervals. The connecting column 7 is connected with the inner wall of the connecting channel end ring pipe sheet 4 through an arch-shaped inner side connecting piece 20.
Furthermore, a connecting beam 8 is arranged between the two connecting columns 7, and the connecting beam 8 is connected with the inner wall of the end ring pipe sheet 4 of the communication channel through a vertical connecting piece 12; the number of the connecting beams 8 can be one or two, and when the number of the connecting beams 8 is one, the connecting beams 8 are arranged between the tops or the bottoms of the two connecting columns 7; when the connecting beams 8 are provided in two, the connecting beams 8 are provided between the top and the bottom of the two connecting columns 7.
In a preferred embodiment, the vertical connecting member 12 is a plate-shaped structure, the vertical connecting member 12 is arranged on the inner side of the connecting beam 8 through a bolt assembly, and the other end of the vertical connecting member 12 is welded to the inner wall of the end collar plate 4 of the communication channel. In a preferred embodiment, as shown in fig. 10, the vertical connecting element 12 has an arcuate shape in a forward projection, and the arcuate edge of the vertical connecting element 12 is fitted to the inner wall of the grommet plate 4 at the end of the communication passage. As other embodiments, the vertical connecting element 12 may be disposed at other positions, may have other structural shapes, and may be connected to the connecting channel end collar pieces 4 and the connecting beams 8 in other manners.
In a preferred embodiment, the haunch inner connecting element 20 is also of a plate-shaped structure, the haunch inner connecting element 20 is arranged on the inner side of the connecting column 7 through a bolt assembly, and the other end of the haunch inner connecting element 20 is welded to the inner wall of the connecting channel end collar plate 4. In a preferred embodiment, similar to the vertical connectors 12, the forward projection of the arched waist inner connectors 20 is arched, and the arched edge of the arched waist inner connectors 20 is attached to the inner wall of the communication channel end collar plate 4. As other embodiments, the said inner arched connecting element 20 can be arranged at other positions, can also adopt other structural shapes, and can also be connected with the connecting channel end collar piece 4 and the connecting column 7 by other ways.
Further, the inner arched connecting member 20 may have a hole 24 for piercing or piping in use, which is provided between the main tunnel connecting segment 1 or other assembled member and the communication passage end bustle pipe segment 4 or other assembled member, and functions to realize or reinforce the connection between the members.
As a preferred embodiment, as shown in fig. 4, 5 and 6, the rigid connection assembly comprises a vertical connection unit and a lateral connection unit, wherein the vertical connection unit comprises a dome water stop member 9-1 and a dome water stop member 9-2. The vault water-stopping piece 9-1 and the arch bottom water-stopping piece 9-2 are identical in structure but different in installation position, the vault water-stopping piece 9-1 is located between the connecting beam 8 on the upper portion and the main tunnel connecting pipe piece 1 above the vault water-stopping piece, the arch bottom water-stopping piece 9-2 is located between the connecting beam 8 on the lower portion and the main tunnel connecting pipe piece 1 below the arch bottom water-stopping piece, and for convenience of description, the vault water-stopping piece 9-1 and the arch bottom water-stopping piece 9-2 are collectively called as a first water-stopping piece 9. As shown in fig. 12 and 13, the lateral connection unit includes a left arch water stop 17-1 and a right arch water stop 17-2; the left side arch waist water-stop member 17-1 and the right side arch waist water-stop member 17-2 are identical in structure and different in installation position, the left side arch waist water-stop member 17-1 is located between the left side arch waist water-stop member 17-1 and the main tunnel connecting pipe piece 1 on the left side, the right side arch waist water-stop member 17-2 is located between the connecting beam 8 on the right side and the main tunnel connecting pipe piece 1 on the right side, and for convenience of description, the left side arch waist water-stop member 17-1 and the right side arch waist water-stop member 17-2 are collectively called a second water-stop member 17.
The arch crown water stop piece 9-1, the arch bottom water stop piece 9-2, the left arch waist water stop piece 17-1 and the right arch waist water stop piece 17-2 are connected into a ring shape to be sealed between the main tunnel connecting pipe piece 1 and the end ring pipe piece 4 of the communication channel.
As a preferred embodiment, as shown in fig. 7, 8 and 9, the forward projections of the dome water-stopping member 9-1 and the arch bottom water-stopping member 9-2 are both arc-shaped and have L-shaped sections, the axial portions of the dome water-stopping member 9-1 and the arch bottom water-stopping member 9-2 are both connected with the inner annular wall of the tunnel door of the main tunnel connecting duct piece 1 in a sealing manner, and the radial portions of the dome water-stopping member 9-1 and the arch bottom water-stopping member are both matched with the front end face of the end annular pipe piece 4 of the communication channel in a sealing manner and are connected with the connecting beam 8.
As a preferred embodiment, as shown in fig. 12 and 13, the forward projections of the left arched waist water-stop 17-1 and the right arched waist water-stop 17-2 are both arc-shaped and L-shaped in cross section, the axial portions of the left arched waist water-stop 17-1 and the right arched waist water-stop 17-2 are both connected with the outer peripheral surface of the end circular pipe sheet 4 of the communication channel in a sealing manner, and the radial portions are both connected with the inner wall surface of the connecting pipe sheet 1 of the main tunnel in a sealing manner.
As a preferred embodiment, the vault water-stop member 9-1, the vault water-stop member 9-2, the left arch water-stop member 17-1, and the right arch water-stop member 17-2 are provided with a first water-stop groove on one side attached to the main tunnel connection duct piece 1, and second water-stop grooves are provided on one side attached to the interconnection passage end ring duct piece 4, and the water-stop material 16 includes a first ring seal arranged in the first water-stop groove and a second ring seal arranged in the second water-stop groove.
As a preferred embodiment, the axial part of the vault water-stopping piece 9-1, the axial part of the arch bottom water-stopping piece 9-2, the radial part of the left arch waist water-stopping piece 17-1 and the radial part of the right arch waist water-stopping piece 17-2 are adjustably connected with the main tunnel connecting pipe piece 1, and the radial part of the vault water-stopping piece 9-1, the radial part of the arch bottom water-stopping piece 9-2, the axial part of the left arch waist water-stopping piece 17-1 and the axial part of the right arch waist water-stopping piece 17-2 are adjustably connected with the communication channel end ring pipe piece 4 or the inner support assembly. The adjustable connection mode can adopt the matching of bolts and the position-adjustable embedded parts 13.
On the basis of the above embodiment, as a preferable embodiment, outer connecting pieces 11 are respectively arranged between the radial part of the dome water-stopping piece 9-1 and the radial part of the arch bottom water-stopping piece 9-2 and the main tunnel connecting duct piece 1, and the axial parts of the dome water-stopping piece 9-1 and the arch bottom water-stopping piece 9-2 are blocked outside the tunnel space by the outer connecting pieces 11.
In a preferred embodiment, one end of the outer connecting piece 11 is welded or bolted to the radial part of the arch top water stop piece 9-1 or the arch bottom water stop piece 9-2, and the other end is welded or bolted to the main tunnel connecting pipe piece 1.
The concrete structure is shown in fig. 4, and the bolt connection can adopt a mode that a bolt, an embedded bolt sleeve 14 and a sealing washer 15 are matched with each other. The embedded bolt sleeve 14 is arranged at a proper position of the main tunnel connecting duct piece 1, the connecting channel end ring pipe piece 4, the connecting column 7, the connecting beam 8 and other members, and can be connected with bolts to achieve the purpose of fixing the members; the sealing washer 15 is arranged at the connecting bolt, so that the water stopping effect at the bolt connecting part is ensured. One end of the outer side connecting piece 11 is welded on the first water stop piece 9, the other end of the outer side connecting piece is connected to the inner wall side of the main tunnel connecting pipe piece 1 through a bolt, a pre-embedded bolt sleeve 14 and a sealing washer 15, and the inner annular wall of the tunnel door 22 is plugged outside the outer side connecting piece 11. Alternatively, as shown in fig. 15, one end of the outer connecting member 11 is welded to the first water stop member 9, and the other end is welded to the edge of the inner annular wall of the tunnel portal 22 and flush with the inner wall of the main tunnel connecting duct piece 1.
On the basis of the above embodiment, as a preferred embodiment, there are connected between the main tunnel connecting pipe piece 1 and the communication channel end ring pipe piece 4 with the arch side lateral connecting pieces 18, and the two preferred modes of the arch side lateral connecting pieces 18 are the first lateral connecting piece 18-1 and the second lateral connecting piece 18-2.
In a preferred embodiment, one end of the first lateral connecting piece 18-1 is directly connected with the main tunnel connecting pipe piece 1, the other end is directly connected with the communication channel end ring pipe piece 4, and the left side arched waist water-stopping piece 17-1 and the right side arched waist water-stopping piece 17-2 are plugged outside the tunnel space by the first lateral connecting piece 18-1. As a preferred embodiment, the first lateral connector 18-1 is arcuate in front view, as shown in FIG. 14. As shown in fig. 16, both ends of the first lateral connecting member 18-1 are welded to the main tunnel connecting segment 1 and the communication channel end collar segment 4. In other embodiments, both ends may be bolted, or one end may be bolted and one end may be welded.
As another preferred embodiment, as shown in fig. 6, an extrados connecting piece 19 is connected between the connecting column 7 and the axial portion of the left extrados water-stopping piece 17-1 or the axial portion of the right extrados water-stopping piece 17-2, and a second lateral connecting piece 18-2 is connected between the extrados connecting piece 19 and the main tunnel connecting duct piece 1. The second lateral connecting piece 18-2 and the arch waist outer connecting piece 19 plug the left arch waist water stop piece 17-1 and the right arch waist water stop piece 17-2 at the outer side of the tunnel space. Specifically, the arched outer side connecting piece 19 is connected with the connecting column 7 and the second water stop piece 17 through the connecting bolt 10, the sealing washer 15 and the adjusting shim plate 21 respectively, the second water stop piece 17 is provided with the corresponding position-adjustable embedded part 13, and the second lateral connecting piece 18-2 is connected between the main tunnel connecting pipe piece 1 and the arched outer side connecting piece 19 through the connecting bolt 10, the sealing washer 15 and the adjusting shim plate 21. And the adjusting backing plates 21 are arranged at the joints of the connecting plates for adjusting the connecting height.
Further, the extrados connecting piece 19, on which a hole 24 for perforation or pipe penetration in the use stage can be reserved in combination with the design condition, is arranged between the main tunnel connecting pipe piece 1 (or other fabricated components) and the communication channel end ring pipe piece 4 (or other fabricated components), and the extrados connecting plate 19 is used for realizing or strengthening the connection between the components.
Adopt the utility model discloses a construction steps does:
the steps and the specific structure of the connection structure at the arch top will be described with reference to fig. 3 and 4.
After the connection channel end ring pipe piece 4 is constructed in place, grouting (freezing) reinforcement is carried out by using the main tunnel pipe piece and a grouting (freezing) pipe pre-embedded in the connection channel pipe piece;
meanwhile, according to the specific position of the connection channel after construction, the connecting column 7 and the connecting beam 8 are connected with the end ring pipe sheet 4 of the connection channel in a welding mode, and the connecting column 7 and the connecting beam 8 are connected;
after the soil body reinforcing effect reaches, the segment structure between the connecting channel end ring segment 4 and the main tunnel portal 22 is chiseled out in a segmented mode, so that the embedded position-adjustable embedded part 13 of the main tunnel connecting segment 1 is exposed, the length of the main tunnel segment is stretched into according to the connecting channel end ring segment 4, the first water stop part 9 is connected with the main tunnel connecting segment 1 and the connecting beam 8 through the connecting bolt 10 respectively, and the embedded water stop material 16 is noticed at the moment.
One end of the outer connecting piece 11 is connected with an embedded bolt sleeve 14 embedded in the main tunnel connecting segment 1 through a connecting bolt 10 and a sealing washer 15, and the other end of the outer connecting piece is connected with the first water stop piece 9 through welding.
One end of a vertical connecting piece 12 is connected with an embedded bolt sleeve 14 embedded in a connecting beam 8 through a connecting bolt 10, and the other end of the vertical connecting piece is connected with a connection channel end ring pipe piece 4 through welding.
And the construction of the arch crown position connecting structure is finished, and the construction steps of the arch bottom position connecting structure are the same.
The steps and the concrete structure of the connecting structure at the arch waist are described with reference to fig. 5 and fig. 6.
After the connection channel end ring pipe piece 4 is constructed in place, grouting (freezing) reinforcement is carried out by using the main tunnel pipe piece and a grouting (freezing) pipe pre-embedded in the connection channel pipe piece;
meanwhile, according to the specific position of the connection channel after construction, the connecting column 7 and the connecting beam 8 are connected with the end ring pipe sheet 4 of the connection channel in a welding mode, and the connecting column 7 and the connecting beam 8 are connected;
after the soil body reinforcing effect is achieved, according to the specific position of the connection channel after construction, one end of a second water stop member 17 is connected with an embedded position-adjustable embedded member 13 embedded in the main tunnel connecting duct piece 1 through a connecting bolt 10, and at the moment, the bolt can be not fastened and only used for positioning; meanwhile, the second water stop member 17 should be embedded with a water stop material 16;
simultaneously with the previous step, the arched side connecting piece 18 is connected with an embedded bolt sleeve 14 embedded in the main tunnel connecting segment 1 through the connecting bolt 10;
connecting an arch waist outer side connecting piece 19 with an embedded bolt sleeve 14 embedded in a connecting column 7 through a connecting bolt 10, and simultaneously connecting the arch waist outer side connecting piece with an adjustable position embedded piece 13 embedded in a second water stop piece 17 and an embedded bolt sleeve 14 embedded in an arch waist side connecting piece 18 through additionally arranging an adjusting base plate 21;
one end of an arched waist inner side connecting piece 20 is connected with an embedded bolt sleeve 14 embedded in a connecting column 7 through a connecting bolt 10, and the other end of the arched waist inner side connecting piece is connected with a connecting channel end ring pipe piece 4 through welding.
And finishing the construction of the arch waist part connecting structure.
The present invention is not exhaustive and is well known to those skilled in the art.
The foregoing shows and describes the general principles, essential features, and advantageous effects of the present invention. The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. Assembled nodal connection structure for contact passageway includes main tunnel connection section of jurisdiction (1) that links to each other with ordinary section of jurisdiction (2) in main tunnel, and contact passageway end ring section of jurisdiction (4) that links to each other with contact passageway standard ring section of jurisdiction (3), its characterized in that: one side that main tunnel connection section of jurisdiction (1) deviates from the tunnel space, one side that contact passageway end ring canal piece (4) deviates from the tunnel space all are provided with reinforcement medium (6), be connected with rigid connection subassembly between main tunnel connection section of jurisdiction (1) and contact passageway end ring canal piece (4), reinforcement medium (6) shutoff is in one side that rigid connection subassembly deviates from the tunnel inner space.
2. The fabricated node connection structure for a communication channel as claimed in claim 1, wherein: the main tunnel connecting pipe piece (1) is adjustably connected with the rigid connecting component or/and the connecting channel end ring pipe piece (4) is adjustably connected with the rigid connecting component.
3. The fabricated node connection structure for a communication channel according to claim 1 or 2, wherein: the position of the rigid connection assembly contacting the main tunnel connection pipe piece (1) and the position of the rigid connection assembly contacting the connecting channel end ring pipe piece (4) are both provided with water stop materials (16).
4. The fabricated node connection structure for a communication channel as recited in claim 3, wherein: the inner wall of the end ring segment (4) of the connecting channel is supported by an inner support assembly, and the rigid connection assembly is connected with the support assembly.
5. The fabricated node connection structure for a communication channel according to claim 4, wherein: the inner support assembly comprises two connecting columns (7) which are arranged at intervals, and the connecting columns (7) are connected with the inner wall of the connecting channel end ring duct piece (4) through an arched inner side connecting piece (20).
6. The fabricated node connection structure for a communication channel as claimed in claim 5, wherein: be provided with tie-beam (8) between two spliced poles (7), tie-beam (8) link to each other through vertical connecting piece (12) and the inner wall of junctor channel end ring section of jurisdiction (4).
7. The fabricated node connection structure for a communication channel according to claim 5 or 6, wherein: rigid connection subassembly includes vertical linkage unit and side direction linkage unit, vertical linkage unit includes vault stagnant water spare (9-1), encircles end stagnant water spare (9-2), side direction linkage unit includes that the left side encircles waist stagnant water spare (17-1), right side and encircles waist stagnant water spare (17-2), vault stagnant water spare (9-1), encircle end stagnant water spare (9-2), the left side encircles waist stagnant water spare (17-1), the right side encircles waist stagnant water spare (17-2) and is connected for cyclic annular shutoff between main tunnel connection section of jurisdiction (1) and interconnection passageway end ring section of jurisdiction (4).
8. The fabricated node connection structure for a communication channel as claimed in claim 7, wherein: the tunnel is characterized in that the axial parts of the arch crown water stop piece (9-1) and the arch bottom water stop piece (9-2) are connected with the inner ring wall of the tunnel door of the main tunnel connecting pipe piece (1) in a sealing mode, the radial parts of the arch crown water stop piece and the arch bottom water stop piece are matched with the front end face of the connecting channel end ring pipe piece (4) in a sealing mode and connected with the connecting beam (8), the axial parts of the left arch waist water stop piece (17-1) and the right arch waist water stop piece (17-2) are connected with the outer peripheral face of the connecting channel end ring pipe piece (4) in a sealing mode, and the radial parts of the left arch waist water stop piece and the right arch water stop piece are connected with the inner wall face of the main tunnel connecting pipe piece (1) in a sealing mode.
9. The fabricated node connection structure for a communication channel as claimed in claim 8, wherein: vault stagnant water spare (9-1), arch end stagnant water spare (9-2), left side arch waist stagnant water spare (17-1), right side arch waist stagnant water spare (17-2) paste one side to main tunnel connection section of jurisdiction (1) and are provided with first stagnant water groove, paste one side to interconnected passage end ring section of jurisdiction (4) and all be provided with second stagnant water groove, stagnant water material (16) are including setting up first annular seal in the first stagnant water groove, setting are in second annular seal in the second stagnant water groove.
10. The fabricated node connecting structure for a communication channel according to claim 8 or 9, wherein: the axial part of the arch crown water stop piece (9-1), the axial part of the arch bottom water stop piece (9-2), the radial part of the left arch waist water stop piece (17-1), the radial part of the right arch waist water stop piece (17-2) and the main tunnel connecting pipe piece (1) are in adjustable connection, and the radial part of the arch crown water stop piece (9-1), the radial part of the arch bottom water stop piece (9-2), the axial part of the left arch waist water stop piece (17-1) and the axial part of the right arch waist water stop piece (17-2) are in adjustable connection with the connecting channel end ring pipe piece (4) or the inner support assembly.
11. The fabricated node connecting structure for communication channel as claimed in claim 10, wherein: and outer side connecting pieces (11) are arranged between the radial part of the arch top water stopping piece (9-1), the radial part of the arch bottom water stopping piece (9-2) and the main tunnel connecting duct piece (1), and the outer side connecting pieces (11) are used for plugging the axial part of the arch top water stopping piece (9-1) and the axial part of the arch bottom water stopping piece (9-2) at the outer side of the tunnel space.
12. The fabricated node connection structure for a communication channel according to any one of claims 8, 9 and 11, wherein:
a first lateral connecting piece is connected between the main tunnel connecting pipe piece (1) and the connecting channel end ring pipe piece (4), one end of the first lateral connecting piece is directly connected with the main tunnel connecting pipe piece (1), the other end of the first lateral connecting piece is directly connected with the connecting channel end ring pipe piece (4), and the first lateral connecting piece plugs the left side arch water stop piece (17-1) and the right side arch water stop piece (17-2) at the outer side of the tunnel space;
or be connected with hunch waist outside connecting piece (19) between the axial portion of spliced pole (7) and left side hunch waist sealing off piece (17-1) or the axial portion of right side hunch waist sealing off piece (17-2), be connected with second lateral connecting piece between hunch waist outside connecting piece (19) and main tunnel connection section of jurisdiction (1), second lateral connecting piece and hunch waist outside connecting piece (19) encircle the waist sealing off piece (17-1) with the left side, right side hunch waist sealing off piece (17-2) shutoff in the outside of tunnel space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221748549.5U CN217632460U (en) | 2022-07-07 | 2022-07-07 | Assembly type node connecting structure for communication channel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221748549.5U CN217632460U (en) | 2022-07-07 | 2022-07-07 | Assembly type node connecting structure for communication channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929354A (en) * | 2023-03-09 | 2023-04-07 | 中交隧道工程局有限公司 | Lining structure connection form for shield underground butt joint and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929354A (en) * | 2023-03-09 | 2023-04-07 | 中交隧道工程局有限公司 | Lining structure connection form for shield underground butt joint and construction method |
| CN115929354B (en) * | 2023-03-09 | 2023-06-06 | 中交隧道工程局有限公司 | Lining structure connection form for shield in-ground butt joint and construction method |
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