CN111636896B - Submarine tunnel anti-seismic lining structure and construction method thereof - Google Patents
Submarine tunnel anti-seismic lining structure and construction method thereof Download PDFInfo
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- CN111636896B CN111636896B CN202010526024.6A CN202010526024A CN111636896B CN 111636896 B CN111636896 B CN 111636896B CN 202010526024 A CN202010526024 A CN 202010526024A CN 111636896 B CN111636896 B CN 111636896B
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 description 4
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 238000009424 underpinning 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
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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
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a submarine tunnel anti-seismic lining structure and a construction method thereof, belonging to the technical field of lining structures and comprising a lining main body, a longitudinal main rib, a longitudinal auxiliary rib, a waterproof layer, a base and a traction rib, wherein the lining main body is formed by mutually meshing and connecting a plurality of annular members, each annular member comprises inner teeth and outer teeth, the waterproof layer is arranged between the inner teeth and the outer teeth, a plurality of longitudinal main ribs are connected in the outer side wall of each annular member in a penetrating manner, the middle part of the waterproof layer is connected with a plurality of longitudinal auxiliary ribs in a penetrating manner, the longitudinal main ribs and the longitudinal auxiliary ribs are distributed in an annular manner and are mutually parallel, and the longitudinal main ribs and the longitudinal auxiliary ribs are connected through the traction rib, and one longitudinal main rib is arranged. The integral structure of the tunnel can be kept to be complete and complete at the maximum possibility, and collapse of the tunnel is avoided.
Description
Technical Field
The invention relates to the technical field of lining structures thereof, in particular to a submarine tunnel earthquake-resistant lining structure and a construction method thereof.
Background
The submarine tunnel is constructed under the seabed for people and vehicles to pass under the seabed under the condition of crossing traffic between straits and gulfs and not hindering ship shipping, and the submarine tunnel is difficult to maintain and needs to be subjected to seismic design to avoid the collapse of the submarine tunnel aiming at the impact of natural disasters such as submarine volcanic eruption, earthquake and the like on the submarine tunnel and the collapse of the submarine tunnel.
The patent number CN201810651282.X provides a spanning movable fault earthquake-proof structure and a construction method thereof, wherein a damping ring is arranged in surrounding rock of a lining structure at a fault fracture zone, the lining structure is positioned at the inner periphery of the damping ring, and a certain spacing distance is reserved between the lining structure and the damping ring; the left side, the right side and the upper part of the tunnel cross section at the fault fracture zone are enlarged relative to the tunnel cross section of the stable section; the lining structure of the fault-crossing fracture zone is a longitudinal segmented structure, and two adjacent lining segments are connected through a folding flexible joint in a deformation joint. The invention adopts the damping ring to weaken the earthquake action and absorb the energy of part of earthquake waves, so that the earthquake energy consumption is attenuated; the whole lining structure is converted into a lining section form, and flexible links with large deformation bearing capacity are adopted between two adjacent lining sections, so that the dislocation displacement is mainly absorbed by the flexible links, and the shock resistance of the tunnel structure is improved. However, the anti-seismic method mainly utilizes each structure to absorb the vibration, and the tunnel collapse can be directly faced when the seismic source has locally dislocated the tunnel, part of structural layers are broken, the structural layers are extruded out of the tunnel line, the tunnel shield is integrally deformed and the like.
Disclosure of Invention
The invention aims to provide a submarine tunnel anti-seismic lining structure and a construction method thereof, which can keep the integral structure of the tunnel to be kept complete and complete as much as possible and avoid the collapse of the tunnel so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a submarine tunnel anti-seismic lining structure comprises a lining main body, longitudinal main ribs, longitudinal auxiliary ribs, a waterproof layer, a base and traction ribs, wherein the lining main body is formed by mutually engaging and connecting a plurality of annular members, each annular member comprises inner teeth and outer teeth, the waterproof layer is arranged between the inner teeth and the outer teeth, a plurality of longitudinal main ribs are connected in the outer side wall of each annular member in a penetrating manner, the middle part of each waterproof layer is connected with a plurality of longitudinal auxiliary ribs in a penetrating manner, the longitudinal main ribs and the longitudinal auxiliary ribs are distributed in an annular manner and are mutually parallel, the longitudinal main ribs and the longitudinal auxiliary ribs are connected through the traction ribs, one longitudinal main rib is respectively connected with 2-6 longitudinal auxiliary ribs through 2-6 traction ribs, and the traction ribs connected to one longitudinal auxiliary rib are in a bundling shape; and a base is arranged on the inner wall of the lower end of the lining main body.
Further, the internal teeth of the ring member are in meshing connection with the internal teeth of the other ring member, and the external teeth of the ring member are in meshing connection with the external teeth of the other ring member.
Furthermore, a connecting line of a point of the traction rib on the longitudinal auxiliary rib and an occlusion connecting point of the adjacent annular member passes through the circle center of the annular member.
Furthermore, the middle parts of the two ends of the annular member are provided with annular ribs, and the annular ribs are sequentially connected with internal teeth or external teeth on the adjacent annular members in a staggered manner.
Further, the base includes concrete layer, upper plate, lower plate and support column, and there are upper plate and lower plate at concrete layer's both ends through bolt lock connection, and upper plate and lower plate are parallel to each other, and connect through the support column between the two, and the support column is the arc body of rod.
According to another aspect of the present invention, there is provided a construction method of an earthquake-resistant lining structure of a submarine tunnel, comprising the steps of:
s101: arranging longitudinal main ribs, longitudinal auxiliary ribs, traction ribs and annular ribs, and establishing a staggered reinforcing mesh;
s102: forming a lining main body by adopting sectional pouring, and filling a waterproof layer in the adjacent annular components;
s103: concrete layers are poured in the lining main body, and a bottom plate consisting of an upper bottom plate, a lower bottom plate and support columns is locked on the upper surface of the concrete layers.
Further, in S103, a support pillar is welded between the upper bottom plate and the lower bottom plate in advance.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a submarine tunnel anti-seismic lining structure and a construction method thereof.A staggered gap is formed between adjacent annular members, when a submarine earthquake with a seismic source longitudinally propagating occurs, the adjacent annular members are staggered, part of the annular members are fractured and extruded out of a lining main body, the rest annular members are rebuilt in lap joint by utilizing tooth openings, supporting columns are stressed and bent or fractured, and a gap between an upper bottom plate and a lower bottom plate is reduced, so that the impact of vibration on the upper bottom plate is relieved, and the lining main body formed by a plurality of annular members can be changed into a curved shape from a straight line under the condition that the seismic source vibration period is longer, so that the integral structure of the tunnel can be kept to be complete, and the tunnel collapse is avoided.
Drawings
FIG. 1 is an overall structural view of an earthquake-resistant lining structure of a submarine tunnel according to the present invention;
FIG. 2 is a lining main body structure view of the submarine tunnel earthquake-resistant lining structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B in accordance with the present invention;
FIG. 5 is a drawing of the tie bars of the seismic underpinning structure of the subsea tunnel of the present invention;
FIG. 6 is a structural view of a ring member of the seismic lining structure of the submarine tunnel according to the present invention;
FIG. 7 is a connection diagram of internal teeth and external teeth of the seismic lining structure of the submarine tunnel according to the present invention;
fig. 8 is a construction process of the submarine tunnel earthquake-resistant lining structure of the present invention.
In the figure: 1. lining the body; 11. an annular member; 111. internal teeth; 112. an outer tooth; 2. longitudinal main ribs; 3. longitudinal auxiliary ribs; 4. a waterproof layer; 5. a base; 51. a concrete layer; 52. an upper base plate; 53. a lower base plate; 54. a support pillar; 6. pulling the tendon; 7. and (7) an annular rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a submarine tunnel aseismic lining structure comprises a lining main body 1, a longitudinal main rib 2, longitudinal auxiliary ribs 3, a waterproof layer 4, a base 5 and a pulling rib 6, wherein the lining main body 1 is formed by mutually meshing and connecting a plurality of annular members 11, each annular member 11 comprises an inner tooth 111 and an outer tooth 112, the waterproof layer 4 is arranged between the inner tooth 111 and the outer tooth 112, a plurality of longitudinal main ribs 2 are penetratingly connected in the outer side wall of each annular member 11, a plurality of longitudinal auxiliary ribs 3 are penetratingly connected in the middle of the waterproof layer 4, the plurality of longitudinal main ribs 2 and the longitudinal auxiliary ribs 3 are annularly distributed and are mutually parallel, the longitudinal main ribs 2 and the longitudinal auxiliary ribs 3 are connected through the pulling rib 6, the pulling rib 6 is positioned on the longitudinal auxiliary rib 3, a connecting line of meshing and connecting points of adjacent annular members 11 passes through the circle center of the annular member 11, annular ribs 7 are arranged in the middle parts of two ends of the annular member 11, the annular ribs 7 are sequentially connected with the internal teeth 111 or the external teeth 112 on the adjacent annular members 11 in a staggered manner to establish a reinforcing mesh to provide connection for the adjacent annular members 11 and form a structural framework of the lining main body 1, one longitudinal main rib 2 is respectively connected with 2-6 longitudinal auxiliary ribs 3 through 2-6 traction ribs 6, and the traction ribs 6 connected on one longitudinal auxiliary rib 3 are in a bundling shape; be equipped with base 5 on the lower extreme inner wall of lining cutting main part 1, base 5 includes concrete layer 51, upper plate 52, lower plate 53 and support column 54, there are upper plate 52 and lower plate 53 at concrete layer 51's both ends through bolt locking connection, upper plate 52 and lower plate 53 are parallel to each other, and connect through support column 54 between the two, support column 54 is the arc body of rod, support column 54 atress is crooked or fracture, the space reduces between upper plate 52 and the lower plate 53, alleviate the impact of vibrations to upper plate 52 with this, avoid the tunnel to collapse.
Referring to fig. 6-7, the inner teeth 111 of the annular member 11 are engaged with the inner teeth 111 of another annular member 11, the outer teeth 112 of the annular member 11 are engaged with the outer teeth 112 of another annular member 11 to form staggered gaps, when a submarine earthquake occurs, wherein the earthquake focus propagates in the longitudinal direction, the adjacent annular members 11 are dislocated, a part of the annular members 11 are broken and extruded out of the lining body 1, the rest of the annular members 11 are overlapped again by using the tooth openings, so that tunnel collapse is avoided, and the lining body 1 formed by a plurality of annular members 11 is changed from a straight line to a curved shape under the condition that the earthquake focus vibration period is longer, so that the whole structure of the tunnel can be kept to be complete, and tunnel collapse is avoided.
Referring to fig. 8, in order to better show the construction process of the submarine tunnel earthquake-resistant lining structure, the embodiment now provides a construction method of the submarine tunnel earthquake-resistant lining structure, which includes the following steps:
s101: arranging a longitudinal main rib 2, a longitudinal auxiliary rib 3, a traction rib 6 and an annular rib 7 to establish a staggered reinforcing mesh; the reinforcing mesh forms the framework of the lining body 1 and is also the connection structure between adjacent annular members 11
S102: forming a lining main body 1 by adopting sectional pouring, and filling a waterproof layer 4 in the adjacent annular components 11; firstly, pouring and forming an annular component 11, then filling a waterproof layer 4 in a groove at the end part of the annular component 11, then pouring a second annular component 11 according to the tooth mouth of the annular component 11 poured firstly, and sequentially repeating the operations to form a lining main body 1 consisting of a plurality of annular components 11;
s103: concrete layer 51 is poured in lining main body 1, a bottom plate composed of upper bottom plate 52, lower bottom plate 53 and support columns 54 is locked on the upper surface of concrete layer 51, support columns 54 are welded between upper bottom plate 52 and lower bottom plate 53 in advance to form the bottom plate, the bottom plate can be produced by manufacturers, the bottom plate can be directly used during the construction of submarine tunnels, the construction time is saved, the construction steps are simplified, support columns 54 can be repeatedly welded at the lower end of lower bottom plate 53, and another lower bottom plate 53 is welded at the lower end of support columns 54, so that the bottom plate with three gaps is formed.
In summary, the following steps: the invention provides a submarine tunnel anti-seismic lining structure and a construction method thereof, staggered gaps are formed between adjacent annular members 11, when a submarine earthquake with a seismic source longitudinally propagating occurs, the adjacent annular members 11 are staggered, part of the annular members 11 are fractured and extruded out of a lining main body 1, the rest annular members 11 are reestablished and overlapped by using tooth openings, supporting columns 54 are stressed and bent or fractured, and a gap between an upper bottom plate 52 and a lower bottom plate 53 is reduced, so that the impact of vibration on the upper bottom plate 52 is relieved, and the lining main body 1 formed by a plurality of annular members 11 can be changed into a curved shape from a straight line under the condition that the seismic source vibration period is long, so that the integral structure of the tunnel can be kept to be complete and the tunnel collapse can be avoided to the greatest extent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions disclosed in the present invention and the equivalent alternatives or modifications thereof within the scope of the present invention.
Claims (4)
1. The submarine tunnel earthquake-resistant lining structure is characterized by comprising a lining main body (1), longitudinal main ribs (2), longitudinal auxiliary ribs (3), a waterproof layer (4), a base (5) and traction ribs (6), wherein the lining main body (1) is formed by mutually meshing and connecting a plurality of annular members (11), each annular member (11) comprises an inner tooth (111) and an outer tooth (112), the waterproof layer (4) is arranged between the inner tooth (111) and the outer tooth (112), the outer side wall of each annular member (11) is connected with the longitudinal main ribs (2) in a penetrating manner, the middle of the waterproof layer (4) is connected with a plurality of longitudinal auxiliary ribs (3) in a penetrating manner, the longitudinal main ribs (2) and the longitudinal auxiliary ribs (3) are distributed in an annular manner and are mutually parallel, and the longitudinal main ribs (2) and the longitudinal auxiliary ribs (3) are connected through the traction ribs (6), one longitudinal main rib (2) is respectively connected with 2-6 longitudinal auxiliary ribs (3) through 2-6 traction ribs (6), and the traction ribs (6) connected on one longitudinal auxiliary rib (3) are in a cluster shape; the inner wall of the lower end of the lining main body (1) is provided with a base (5), the base (5) comprises a concrete layer (51), an upper bottom plate (52), a lower bottom plate (53) and supporting columns (54), the two ends of the concrete layer (51) are connected with the upper bottom plate (52) and the lower bottom plate (53) through bolts in a locking mode, the upper bottom plate (52) and the lower bottom plate (53) are parallel to each other and are connected through the supporting columns (54), and the supporting columns (54) are arc-shaped rod bodies;
the construction method of the submarine tunnel earthquake-resistant lining structure comprises the following steps:
s101: arranging a longitudinal main rib (2), a longitudinal auxiliary rib (3), a traction rib (6) and an annular rib (7) to establish a staggered reinforcing mesh;
s102: forming a lining main body (1) by adopting sectional pouring, and filling a waterproof layer (4) in the adjacent annular members (11);
s103: a concrete layer (51) is poured in the lining main body (1), and a bottom plate consisting of an upper bottom plate (52), a lower bottom plate (53) and a support pillar (54) is locked on the upper surface of the concrete layer (51);
in S103, the support columns (54) are welded between the upper base plate (52) and the lower base plate (53) in advance.
2. An offshore tunnel seismic lining structure according to claim 1, characterized in that the inner teeth (111) of said annular member (11) are in meshing engagement with the inner teeth (111) of the other annular member (11), and the outer teeth (112) of the annular member (11) are in meshing engagement with the outer teeth (112) of the other annular member (11).
3. An earthquake-resistant lining structure for a submarine tunnel according to claim 1, wherein a line connecting a point of the traction rib (6) on the longitudinal auxiliary rib (3) with an engagement connection point of an adjacent annular member (11) passes through the center of the annular member (11).
4. An anti-seismic lining structure of a submarine tunnel according to claim 1, wherein the annular members (11) are provided with annular ribs (7) at the middle parts of both ends, and the annular ribs (7) are sequentially connected with internal teeth (111) or external teeth (112) of adjacent annular members (11) in a staggered manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010526024.6A CN111636896B (en) | 2020-06-11 | 2020-06-11 | Submarine tunnel anti-seismic lining structure and construction method thereof |
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| CN202010526024.6A CN111636896B (en) | 2020-06-11 | 2020-06-11 | Submarine tunnel anti-seismic lining structure and construction method thereof |
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| CN111636896A CN111636896A (en) | 2020-09-08 |
| CN111636896B true CN111636896B (en) | 2022-01-28 |
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| CN114483112B (en) * | 2021-12-23 | 2023-05-23 | 中国科学院武汉岩土力学研究所 | Arch leg structure, construction method and arch leg system of tunnel primary support |
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| CN108691555A (en) * | 2018-04-20 | 2018-10-23 | 北京工业大学 | Fault belt section antidetonation tunnel pipelines connector |
| CN109441488A (en) * | 2018-12-28 | 2019-03-08 | 无锡快鹿地铁钢结构制造有限公司 | Subway Tunnel Lining construction method |
| CN110005436A (en) * | 2019-04-16 | 2019-07-12 | 盾构及掘进技术国家重点实验室 | A kind of Lining Ring and its tunnel segment structure of shield tunnel |
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2020
- 2020-06-11 CN CN202010526024.6A patent/CN111636896B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102251784A (en) * | 2011-05-30 | 2011-11-23 | 中铁第四勘察设计院集团有限公司 | Double-layer lining shield tunnel duct piece and lining superposed structure |
| CN103643966A (en) * | 2013-12-31 | 2014-03-19 | 西南交通大学 | Prefabricated tunnel lining segment |
| CN205315014U (en) * | 2016-01-11 | 2016-06-15 | 西南交通大学 | Stride that active fault tunnel is anti to glue secondary lining that slide moved |
| CN207554065U (en) * | 2017-07-07 | 2018-06-29 | 中国铁道科学研究院铁道建筑研究所 | Prefabricated assembled tunnel inverted arch, tunnel structure |
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