CN113250714A - Strip steel lining tunnel lining structure and construction method - Google Patents
Strip steel lining tunnel lining structure and construction method Download PDFInfo
- Publication number
- CN113250714A CN113250714A CN202110641334.7A CN202110641334A CN113250714A CN 113250714 A CN113250714 A CN 113250714A CN 202110641334 A CN202110641334 A CN 202110641334A CN 113250714 A CN113250714 A CN 113250714A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 92
- 239000010959 steel Substances 0.000 title claims abstract description 92
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 50
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 42
- 238000003466 welding Methods 0.000 claims description 49
- 238000004873 anchoring Methods 0.000 claims description 21
- 230000005641 tunneling Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 abstract description 18
- 230000008859 change Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000007943 implant Substances 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
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Classifications
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- 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
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- 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
- E21D11/14—Lining predominantly with metal
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the field of shield tunnel construction, and particularly discloses a lining structure of a strip steel lined tunnel and a construction method, wherein the lining structure comprises the following steps: the steel reinforcement cage is pre-buried in the reinforced concrete pipe piece, anchor assembly one end with the steel reinforcement cage links to each other, and the other end with the steel pipe piece links to each other, the steel pipe piece is fixed on the internal surface of reinforced concrete pipe piece, be provided with on the gap between the steel pipe piece the cover piece forms connection and the closure between the steel pipe piece. The design concept of the invention is as follows: the steel lining is added on the inner surface of the reinforced concrete segment to form a reinforced concrete composite segment, the reinforced concrete composite segment is spliced, and the steel lining is connected with the covering block to form full sealing. The invention has the advantages of increasing the rigidity of the tunnel, reducing the influence of geological environment change on the tunnel, preventing leakage or rupture caused by uneven settlement or deformation and prolonging the service life of the tunnel.
Description
Technical Field
The invention relates to the field of shield tunnel construction, in particular to a strip steel lining tunnel lining structure and a construction method.
Background
The conventional subway shield tunnel is composed of segments with the ring width of 1.2-1.5 m, each ring segment is composed of 5-7 reinforced concrete segment blocks, and the segment blocks and the segment rings are assembled into a whole by bolts. Leakage, rupture or deformation of the shield tunnel is a common problem with operational use. The problem is more serious under some special conditions, for example in the karst area, especially under the condition that the tunnel is above river, lake, if the karst is still developing, the size of lava, quantity still increase, can lead to the peripheral country rock of tunnel to locally lose the support, make the tunnel produce inhomogeneous settlement or deformation, and then make between section of jurisdiction ring and the ring, produce crack, crack or wrong platform between section of jurisdiction piece and the piece, and then lead to the tunnel seepage or break, dangerous operating mode such as emergence, sand gushing, even cause abandonment, the shut down of whole tunnel.
Disclosure of Invention
The invention aims to provide a strip steel lining tunnel lining structure, which is characterized in that a steel lining design is added on the inner surface of a reinforced concrete segment to form a reinforced concrete composite segment, the reinforced concrete composite segment is spliced in a lining way, and the steel linings of the segments are connected by a covering block to form a full seal, so that the rigidity of the tunnel is increased, the influence of geological environment change on the tunnel is reduced, the leakage or the fracture caused by uneven settlement or deformation is prevented, and the service life of the tunnel is prolonged.
The invention also aims to provide a construction method based on the strip steel lining tunnel lining structure.
The technical scheme is as follows:
the utility model provides a strip steel inside lining tunnel lining structure, includes steel reinforcement cage, anchor assembly, steel-pipe piece and cover block, the steel reinforcement cage is pre-buried in the reinforced concrete section of jurisdiction, anchor assembly implants the reinforced concrete section of jurisdiction, one end with the steel reinforcement cage links to each other, the other end with the steel-pipe piece links to each other, the steel-pipe piece is fixed on the internal surface of reinforced concrete section of jurisdiction, the cover block sets up on the gap between the steel-pipe piece, form connection and the closure between the steel-pipe piece.
Preferably, the shapes of the reinforcement cage and the steel pipe piece are consistent with the shape of the reinforced concrete pipe piece.
Preferably, the dimension of the steel pipe sheet along the longitudinal direction of the tunnel is provided with a wedge amount.
Preferably, the steel pipe sheets are spliced in a staggered manner.
Preferably, one end of the anchoring piece connected with the steel reinforcement cage is provided with a hook for welding, and one end of the anchoring piece connected with the steel pipe sheet is provided with a metal plate for welding.
Preferably, the covering block and the steel pipe sheet are welded.
Preferably, the covering blocks are welded to each other.
A construction method based on the strip steel lining tunnel lining structure is characterized by comprising the following steps:
s1: welding the reinforcement cage and the anchoring piece;
s2: welding the anchoring piece and the steel pipe sheet;
s3: prefabricating a reinforced concrete segment, so that the reinforcement cage and the anchoring piece are embedded in the reinforced concrete segment, and the steel pipe segment is fixed on the inner surface of the reinforced concrete segment;
s4: installing the reinforced concrete pipe piece with the steel pipe piece on the inner wall of the tunnel;
s5: welding the covering block on the steel pipe sheet from the top to the bottom of the tunnel;
preferably, in the step S1, the installation step length, the installation density and the shortest distance to the edge of the reinforcement cage of the anchor on the reinforcement cage are determined according to the requirement of design strength.
Preferably, in the step S1, the welding of the anchor to the reinforcement cage is performed on an assembling tool, and the reinforcement cage is axially aligned.
Preferably, before the step S5 is started, all water seepage and leakage in the tunnel are cleaned and removed.
Preferably, the step S5 is divided into two stages, the first stage is to weld the gaps between the steel pipes except for the gaps between the steel pipes positioned at the bottom of the tunnel, and the second stage is to weld the gaps between the steel pipes positioned at the bottom of the tunnel.
Further, the first stage is carried out in the process of tunneling of the shield tunneling machine, and the second stage is carried out after the shield tunneling machine is stopped temporarily or the tunneling machine is stopped completely.
Preferably, the covering blocks are spliced in staggered seams.
Preferably, when the covering blocks are welded, gaps between adjacent covering blocks are welded.
The invention has the advantages that a totally-enclosed steel lining is added in the traditional reinforced concrete pipe piece as a support, so that the connection between blocks and between rings of the tunnel pipe piece is more stable, the rigidity of the shield tunnel is further improved, the influence caused by settlement and deformation is reduced, meanwhile, the leakage is prevented, and the service life of the shield tunnel is prolonged.
Drawings
FIG. 1 is a schematic view of a steel-concrete composite segment according to the present invention;
FIG. 2 is a schematic view of a reinforcement cage of the present invention;
FIG. 3 is a schematic view of a steel pipe sheet according to the present invention;
FIG. 4 is a schematic view of a cover block of the present invention;
FIG. 5 is a schematic layout view of the strip steel lined tunnel lining structure of the present invention;
FIG. 6 is a schematic diagram of the lining layout of the linear tunnel according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 5 at C;
FIG. 8 is a schematic view of a welding process for the reinforcement cage and the anchor of the present invention;
FIG. 9 is a schematic view of a welding process of the reinforcement cage and the steel pipe sheet according to the present invention;
FIG. 10 is a schematic diagram of the first stage of step S5 according to the present invention;
FIG. 11 is a diagram illustrating a second stage of step S5 according to the present invention.
The reference numbers illustrate: 1. a reinforcement cage; 11. a general section steel reinforcement cage; 12. adjacent sections of reinforcement cages; 13. a closed section reinforcement cage; 14. a welding point; 2. an anchoring member; 21. hooking; 22. a metal plate; 3. steel pipe sheets; 31. closing the section steel pipe sheet; 32. steel pipe sheets of adjacent sections; 33. a general section steel pipe sheet; 4. a covering block; 41. a first type of cover block; 42. a second type of cover block; 5. a reinforced concrete segment; 6. a steel-concrete composite segment; 7. the steel-concrete composite segment ring belt.
Detailed Description
For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are a few embodiments of the invention, rather than all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like may mean either a direct connection or an indirect connection. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 to 11, the present embodiment discloses a preferable strip steel lining tunnel lining structure, which includes a steel reinforcement cage 1, an anchoring member 2, a steel pipe 3 and a covering block 4.
As shown in fig. 1, a reinforcement cage 1 is pre-embedded inside a reinforced concrete segment 5, an anchoring member 2 is implanted on the inner surface of the reinforced concrete segment 5, one end of the anchoring member is connected to the reinforcement cage 1, the other end of the anchoring member is connected to a steel pipe 3, the steel pipe 3 is fixed on the inner surface of the reinforced concrete segment 5, and the anchoring member 2 is provided with a hook 21 for welding with the reinforcement cage 1 and a metal plate 22 for welding with the steel pipe 3.
A set of reinforced concrete segments 5, a reinforcement cage 1, anchoring parts 2 and steel pipe pieces 3 form a reinforced concrete composite segment 6, and a set of reinforced concrete composite segments 6 form a closed reinforced concrete composite segment girdle 7 along the circumferential direction of a tunnel.
As shown in fig. 2, the reinforcement cage 1 is made of steel bars having a diameter of 20mm or wire mesh metal sheets having a thickness of 10mm, and the reinforcement cage 1 has at least one shape corresponding to the shape of the reinforced concrete segment 5. In order to facilitate circle assembling during construction, the embodiment discloses three superior reinforcement cages 1, namely a general section reinforcement cage 11, an adjoining section reinforcement cage 12 and a closed section reinforcement cage 13. Two short edges of the general section steel reinforcement cage 11 are right-angle edges; one short side of the adjacent section of the reinforcement cage 12 is a right-angle side, and the other short side is a bevel side; the closed section reinforcement cage 13 is wedge-shaped.
As shown in fig. 3, the steel pipe sheet 3 also includes a general-section steel pipe sheet 33, an adjacent-section steel pipe sheet 32, and a closed-section steel pipe sheet 31 corresponding to the reinforcement cage 1. The turning direction of the tunnel is adjusted by setting different wedge-shaped quantities of the reinforced concrete composite pipe piece 6 along the longitudinal dimension of the tunnel, namely, the dimension W of the ring belt 7 of the reinforced concrete composite pipe piece is set1And W2Different in size, with a linear transition between them.
The covering blocks 4 are arranged in the gaps between the steel pipe pieces 3, and the covering blocks 4 are welded with the steel pipe pieces 3, so that the reinforced concrete composite pipe pieces 6 in the whole tunnel are connected and completely sealed, the integral rigidity of the tunnel is enhanced, and leakage is prevented. Fig. 4 shows two preferred covering blocks 4, wherein two short sides of a first covering block 41 are oblique sides and are used for connecting and closing a gap between an adjacent section of steel pipe sheet 32 and a closed section of steel pipe sheet 31 along the longitudinal direction of the tunnel, namely a longitudinal gap; the second covering block 42 is used for connecting and closing other gaps between the steel pipe sheets 3.
Fig. 5 shows a preferred lining layout, and the single steel-concrete composite segment ring belt 7 generally comprises a closed segment, two adjacent segments and a plurality of general segment segments, and the steel-concrete composite segment ring belts 7 are arranged in a staggered manner.
Fig. 6 shows a better lining layout form in a linear tunnel, and steel-concrete composite segment annuluses 7 with opposite wedge-shaped amount changes are designed to be alternately arranged to control construction deviation.
As shown in fig. 7, the seams between the covering blocks 4 are arranged in a staggered manner, and the distance from the longitudinal seam to the circular seam is not less than 125 mm.
A construction method based on the strip steel lining tunnel lining structure is characterized by comprising the following steps:
s1: welding the reinforcement cage 1 and the anchoring piece 2;
s2: welding the anchoring piece 2 and the steel pipe sheet 3;
s3: prefabricating a reinforced concrete segment 5 so that the reinforcement cage 1 and the anchoring piece 2 are embedded in the reinforced concrete segment, and fixing the steel pipe piece 3 on the inner surface of the reinforced concrete segment 5;
s4: installing a reinforced concrete composite pipe piece 6 consisting of a steel pipe piece 3 and a reinforced concrete pipe piece 5 on the inner wall of the tunnel;
s5: welding the covering block 4 on the steel pipe sheet 3 from the top to the bottom of the tunnel;
in step S1, according to the requirement of design strength, the installation step length of the anchor 2 on the reinforcement cage 1 is 150-275 mm, the installation density is at least 25 anchor points per square meter, and the shortest distance from the edge of the reinforcement cage 1 is not less than 100mm, so as to determine the welding point 14 between the reinforcement cage 1 and the anchor 2 as shown in fig. 1. The welding of anchor 2 and reinforcement cage 1 is done on the assembly fixture to carry out the axle alignment to reinforcement cage 1.
As shown in fig. 8, the reinforcement cage 1 and the anchoring member 2 are cross-welded on both sides with a weld dimension b1Is 6(+2/-1) mm, l1Is 8(± 1) mm; cleaning the range within 20mm of the periphery of the part to be welded before welding; during welding, attention is paid to crater welding at the tail end of the welding line; the welding seam is welded in one go without interruption; the defects of cracks, cuts and the like in any direction are not allowed to appear; when welding is carried out at the ambient temperature lower than 0 ℃, the periphery of a welding part is heated to 200-250 ℃ within 50 mm; if necessary, the weld seam area and the weld spot are cleaned from spatter.
As shown in FIG. 9, the steel pipe piece 3 and the anchor member 2 are cross-welded on one side with a weld dimension b2Is 8(+2/-1) mm, l2Is 80(± 5) mm; cleaning the range within 20mm of the periphery of the part to be welded before welding; during welding, attention is paid to crater welding at the tail end of the welding line; the welding seam is welded in one go without interruption; the defects of cracks, cuts and the like in any direction are not allowed to appear; when welding is carried out at the ambient temperature lower than 0 ℃, the periphery of a welding part is heated to 200-250 ℃ within 50 mm; if necessary, the weld seam area and the weld spot are cleaned from spatter.
Before the step S5 is started, all water seepage and leakage in the tunnel are cleaned and removed.
Step S5 is divided into two stages, the first stage is to weld the gaps among other steel pipe sheets 3 except the gaps among the steel pipe sheets 3 at the bottom of the tunnel by using a covering block 4, and the welding is carried out synchronously with the tunneling work of the shield tunneling machine; and in the second stage, the gap between the steel pipe sheets 3 at the bottom of the tunnel is welded, and the welding can be carried out after the shield tunneling machine is temporarily stopped or the tunneling machine is stopped. For each steel-concrete composite pipe piece ring belt 7, longitudinal seams between the steel pipe pieces 3 are welded in a positioning welding mode, and then circular seams are welded; when welding, if the mounting position of the covering block 4 is different from the design size, the length of the covering block 4 is allowed to be shortened by cutting or prolonged by bending, but the welding seam quality is ensured, and the length of the prolonged covering block 4 is allowed to be not less than 50 mm. If the radial distance between the edges of two adjacent steel pipe sheets 3 exceeds 10mm, pressing the edges of the two steel pipe sheets 3 to be even by using an oil cylinder jack;
welding operation within 100m behind the shield machine is not allowed; temporary cables and water pipe racks for installing the shield tunneling machine should have a distance of at least 200m from a welding operation area;
after welding is finished, visual inspection is carried out; when necessary, measurement inspection or capillary inspection is carried out to ensure the complete welding of the gap and the quality of the welding joint; if the welding seam has an inadmissible defect, the welding seam should be cut off and welded again, and if necessary, a part of the covering block 4 can be cut off and welded again.
Although the above embodiments give illustrations of the invention, the scope of protection of the invention is not limited to the specific embodiments, but only by the claims. Modifications or substitutions that are obvious to one skilled in the art are not described in detail herein.
Claims (10)
1. The utility model provides a strip steel inside lining tunnel lining structure, its characterized in that includes steel reinforcement cage, anchor assembly, steel-pipe piece and cover piece, the steel reinforcement cage is pre-buried in the reinforced concrete section of jurisdiction, anchor assembly one end with the steel reinforcement cage links to each other, and the other end with the steel-pipe piece links to each other, the steel-pipe piece is fixed on the internal surface of reinforced concrete section of jurisdiction, the steel reinforcement cage with the shape of steel-pipe piece is unanimous with the shape of reinforced concrete section of jurisdiction, be provided with on the gap between the steel-pipe piece the cover piece forms connection and closure between the steel-pipe piece.
2. The strip steel lined tunnel lining structure of claim 1, wherein the steel pipe sheets are spliced together at staggered joints.
3. The strip steel lined tunnel lining structure of claim 1, wherein a welding hook is provided at one end where the anchoring member is connected to the reinforcement cage, and a welding metal plate is provided at one end where the anchoring member is connected to the steel pipe.
4. The strip steel lined tunnel lining structure of claim 1, wherein said cover blocks are welded to said steel pipe pieces.
5. The strip lined tunnel lining structure of claim 1, wherein said cover blocks are staggeredly spliced and welded.
6. A construction method of the strip steel lining tunnel lining structure based on any one of claims 1 to 5 is characterized by comprising the following steps:
s1: welding the reinforcement cage and the anchoring piece;
s2: welding the anchoring piece and the steel pipe sheet;
s3: prefabricating a reinforced concrete segment, so that the reinforcement cage and the anchoring piece are embedded in the reinforced concrete segment, and the steel pipe segment is fixed on the inner surface of the reinforced concrete segment;
s4: installing the reinforced concrete pipe piece with the steel pipe piece on the inner wall of the tunnel;
s5: and welding the covering block on the steel pipe sheet from the top to the bottom of the tunnel.
7. The construction method according to claim 6, wherein before the step S5, all water seepage and leakage in the tunnel are cleaned and removed.
8. The construction method according to claim 6, wherein the step S5 is divided into two stages, the first stage is welding the gaps between the steel pipes except for the gaps between the steel pipes positioned at the bottom of the tunnel, and the second stage is welding the gaps between the steel pipes positioned at the bottom of the tunnel.
9. The method of claim 8, wherein the first stage is performed during shield tunneling.
10. The construction method according to claim 8, wherein the second stage is performed after a shield machine is temporarily stopped or a tunneling completion stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641334.7A CN113250714A (en) | 2021-06-09 | 2021-06-09 | Strip steel lining tunnel lining structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641334.7A CN113250714A (en) | 2021-06-09 | 2021-06-09 | Strip steel lining tunnel lining structure and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN113250714A true CN113250714A (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110641334.7A Pending CN113250714A (en) | 2021-06-09 | 2021-06-09 | Strip steel lining tunnel lining structure and construction method |
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| Country | Link |
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| CN (1) | CN113250714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914889A (en) * | 2021-09-01 | 2022-01-11 | 武汉市政工程设计研究院有限责任公司 | Superposed tunnel lining structure capable of bearing high internal and external water pressure and construction method |
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| JP2004132002A (en) * | 2002-10-09 | 2004-04-30 | Nippon Steel Corp | Secondary lining saving type segment for shield tunnel |
| CN104632247A (en) * | 2015-01-04 | 2015-05-20 | 上海友德节能技术发展有限公司 | Tunnel supporting structural part made of carbon fiber composite and installation method thereof |
| CN205532622U (en) * | 2016-02-04 | 2016-08-31 | 广州市市政工程设计研究总院 | Corrosion control system in in -band lining PVC sheet shield tunnel section of jurisdiction |
| CN106968688A (en) * | 2017-04-05 | 2017-07-21 | 宁波大学 | A kind of shield tunnel is combined tunnel segment structure and shield tunnel liner |
| CN207934904U (en) * | 2018-01-23 | 2018-10-02 | 中交城市轨道交通设计研究院有限公司 | A kind of connection structure for double-deck lining cutting duct pieces of shield tunnel and liner |
| CN110080798A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | Sandwich-type steel compound tube piece making method suitable for shield formula TBM |
| CN111997648A (en) * | 2020-08-28 | 2020-11-27 | 周希圣 | Reinforced concrete segment with steel skirt on inner arc surface and waterproof method |
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2021
- 2021-06-09 CN CN202110641334.7A patent/CN113250714A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132002A (en) * | 2002-10-09 | 2004-04-30 | Nippon Steel Corp | Secondary lining saving type segment for shield tunnel |
| CN104632247A (en) * | 2015-01-04 | 2015-05-20 | 上海友德节能技术发展有限公司 | Tunnel supporting structural part made of carbon fiber composite and installation method thereof |
| CN205532622U (en) * | 2016-02-04 | 2016-08-31 | 广州市市政工程设计研究总院 | Corrosion control system in in -band lining PVC sheet shield tunnel section of jurisdiction |
| CN106968688A (en) * | 2017-04-05 | 2017-07-21 | 宁波大学 | A kind of shield tunnel is combined tunnel segment structure and shield tunnel liner |
| CN207934904U (en) * | 2018-01-23 | 2018-10-02 | 中交城市轨道交通设计研究院有限公司 | A kind of connection structure for double-deck lining cutting duct pieces of shield tunnel and liner |
| CN110080798A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | Sandwich-type steel compound tube piece making method suitable for shield formula TBM |
| CN111997648A (en) * | 2020-08-28 | 2020-11-27 | 周希圣 | Reinforced concrete segment with steel skirt on inner arc surface and waterproof method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914889A (en) * | 2021-09-01 | 2022-01-11 | 武汉市政工程设计研究院有限责任公司 | Superposed tunnel lining structure capable of bearing high internal and external water pressure and construction method |
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