CN203669880U - Assembly type tunnel lining segment - Google Patents
Assembly type tunnel lining segment Download PDFInfo
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- CN203669880U CN203669880U CN201320885197.2U CN201320885197U CN203669880U CN 203669880 U CN203669880 U CN 203669880U CN 201320885197 U CN201320885197 U CN 201320885197U CN 203669880 U CN203669880 U CN 203669880U
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Abstract
The utility model discloses an assembly type tunnel lining segment, belongs to the technical field of tunnel construction, and aims to simplify the manufacturing and machining process of prefabricated segments, optimize the connecting mode of the segments, and improve efficiency of construction of assembling a lining of a shield tunnel, especially a tunnel with the round cross section through the prefabricated segments. The concrete lining in the round cross section of the tunnel is divided into six prefabricated concrete segments, the cross sections of the six prefabricated concrete segments are respectively provided with an arc, the six prefabricated concrete segments are respectively a capping block, two abutting blocks and three standard blocks, and concave-convex steps of which the structures are symmetric or opposite are arranged on the two end faces of each prefabricated concrete segment. The capping block is of a regular wedge shape and of a symmetrical structure; the two abutting blocks are both of an inclined wedge shape and the structures of the two abutting blocks are opposite; the structures of the two standard blocks are opposite. After the six segments are assembled into a circle of closed lining, the ends, provided with protrusions, of the segments in the circle are embedded into a former circle of cylindrical groove in which the segments are assembled to make the segments mutually spliced. The assembly type tunnel lining segment is mainly used for the shield tunnel lining.
Description
Technical field
The utility model belongs to tunnel construction technology field, relates in particular to the Lining Technique field in the circular cross section tunnel of the construction of shield machine method or artificial driving.
Background technology
Be used widely because its load-carrying properties are good in the tunnel of circular cross section.Especially mostly adopt shield method to build the subterranean tunnel of circular cross section in industries such as city underground, railway, highway, municipal engineering, petroleum gas and water power.The tunnel that adopts shield construction, its cross section is take circle as main, and the lining cutting in tunnel mainly adopts prefabricated reinforced concrete segment to carry out assembled moulding.Assembled for ease of prefabricated pipe section, hoop and longitudinally all need special bolt to connect with fastening between section of jurisdiction in tunnel.Conventionally between the precast concrete section of jurisdiction in circular cross section tunnel, adopt straight bolt or curved bolt to connect.No matter be adopt straight bolt or adopt curved bolt to connect Concrete precast pipe element, bolt hole all need to be set on Concrete precast pipe element.Concrete precast pipe element is as the liner structure in circular cross section tunnel, and precision and the quality of its processing and fabricating are all had relatively high expectations, particularly for being circular-arc Concrete precast pipe element, and its prefabricated front mould that needs machining high-precision.And the setting of bolt hole has increased the difficulty of segment die processing and fabricating undoubtedly.In addition be used for fixing with the bolt that is connected prefabricated pipe section and also need to carry out specialized designs and processing.In construction period, along with the carrying out of tunnel excavation, need constantly assembled prefabricated pipe section in hole and form the liner structure in tunnel, to ensure the safety of constructing tunnel and to safeguard needed usage space.In the time adopting special bolt to connect the Concrete precast pipe element that tunnel lining uses, comparatively difficulty of the location of bolt hole between adjacent section of jurisdiction, and bolt is inserted to reserved position, hole, fastening all needs manually operate, on-site consolidation personnel's labour intensity is large, causes the efficiency of construction of pipe sheet assembling low.
In addition, because the bolt that connects prefabricated pipe section also needs to carry out special design and processing, and the quantity of its processing and making is large, causes construction of tunnel cost high.With regard to the efficiency of Analysis on Shield Tunnel Driven Process, from the excavation of Rock And Soil in tunnel, slag tap and the splicing of prefabricated pipe section has all realized mechanization.But owing to adopting special bolt to connect with fastening between section of jurisdiction, hole bit alignment when it is assembled, the insertion of bolt and fastening etc. all also needs manual operation, thereby this link is restriction shield method tunnel construction efficiency always and affects one of principal element of construction costs.Although fastening bolt has adopted the zinc-plated steel that wait anti-corrosion measure, but along with the tunnel prolongation of running time, under long-term service condition easily there is corrosion in bolt steel, thereby the durability of fastening bolt and intensity can reduce along with the prolongation of tunnel service time, and then can have influence on the safety in tunnel.
For simplifying making and the processing technology of prefabricated pipe section, optimize the connected mode of section of jurisdiction, improve the particularly efficiency of construction of the assembled lining cutting of circular cross section tunnel employing prefabricated pipe section of shield tunnel, ensure safety and the durability of tunnel lining, further reduce construction costs, need to seek one and be economical and practical safety for tunnel engineering and the Novel precast concrete pipe chip architecture fast of can guaranteeing again.
Summary of the invention
The purpose of this utility model is to provide a kind of assembling tunnel lining segment.It can simplify the construction technology of on-site consolidation section of jurisdiction effectively, reduce the labour intensity of section of jurisdiction when assembled, reduce the difficulty that prefabricated pipe section Mould Machining is made, be conducive to improve intensity and the durability of section of jurisdiction, reduce construction costs, accelerate the construction speed of tunnel lining and improve efficiency of construction.
The utility model solves the technical scheme that its technical problem adopts: a kind of assembling tunnel lining segment, and its practice is:
A, the concrete lining in circular tunnel cross section is divided into six block concrete prefabricated pipe sections, six block concrete prefabricated pipe section cross sections are all with circular arc, be respectively: the piece that binds, two adjacent block and three calibrated bolcks, their two end faces are equipped with symmetrical configuration or contrary concavo-convex step; The positive wedge shape of being shaped as of piece that binds, symmetrical configuration, adjacent block and adjacent block are all inclined to one side wedge shape, both inverted configuration; The inverted configuration of calibrated bolck and calibrated bolck, the symmetrical configuration of calibrated bolck;
End face of B, the piece that binds and the end face of adjacent block cooperatively interact; Bind another end face of piece and the end face of adjacent block cooperatively interacts; An end face of another end face of adjacent block and adjacent block cooperatively interacts; Another end face of adjacent block coordinates with the end face of calibrated bolck; Another end face of calibrated bolck coordinates with the end face of calibrated bolck, and the other end of calibrated bolck coordinates with the end face of adjacent block, and the end face of this six block concretes prefabricated pipe section splices mutually;
C, six prefabricated pipe sections are perpendicular to former and later two sides of tunnel axis direction, and one of them side is provided with semi-cylindrical projection, and another side is corresponding thereto provided with semi-cylindrical groove.When being completed by six pipe sheet assemblings after the lining cutting of a circle sealing, in assembled next circle can be by this circle when section of jurisdiction, each section of jurisdiction has protruding one end and is embedded into last circle in the assembled cylindrical grooves that completes section of jurisdiction, the mutual splicings before and after forming between two circle sections of jurisdiction.
D, the described piece that binds, the dividing mode of adjacent block and calibrated bolck can arrange according to the corresponding central angle of its arc length, when binding, the corresponding central angle of piece circular arc is α, the corresponding central angle of adjacent block circular arc is β, the corresponding central angle of calibrated bolck circular arc is γ, when the corresponding central angle of calibrated bolck circular arc is δ, its value should meet following relationship: γ+δ=360 °, β+2, α+2, wherein 10 °≤α≤50 °, 10 °≤β≤70 °, 56 ° of < γ≤111 °, 54 ° of < δ≤108 °, and α≤β < δ < γ.
Described circular tunnel hoop and the mode that longitudinally between each adjacent section of jurisdiction, all employing is spliced are spliced fixing.
Described prefabricated pipe section is controlled at 1.0m～1.5m along the length in tunnel axis direction.
The length that described step protrudes should be less than 1/3rd or 1/2nd of the piece thickness that binds.
The described piece that binds is to form the little positive wedge shape in large one end, one end along tunnel axis direction, and its volume is minimum in six prefabricated pipe sections.
The volume of described adjacent block is placed in the middle in six prefabricated sections.
After the concavo-convex step assembling of the both ends of the surface of described section of jurisdiction, form hole in side.
E, during constructing tunnel and driving, the mode that six described block concrete prefabricated pipe sections are spliced mutually according to its concavo-convex step in each side just forms the tunnel circular liner of a circle sealing after splicing.During assembled prefabricated pipe section, lift section of jurisdiction by hole for hoist.The order of desired each pipe sheet assembling is: first set the first calibrated bolck, and then assembled other two calibrated bolcks, more assembled two adjacent block, the piece that finally will bind is wedged in remaining wedge shape space, forms the tunnel circular liner of a circle sealing.The hole forming in the side of splicing mutually after pipe sheet assembling is as the position of pasting sealing rod, for the sealing of section of jurisdiction hoop and longitudinal seam.
F, former and later two sides for every prefabricated pipe section perpendicular to tunnel axis direction, a side is provided with semi-cylindrical projection therein, and another side is corresponding thereto provided with semi-cylindrical groove.Take the piece that binds as example, its side is provided with semi-cylindrical projection, and another side is corresponding thereto provided with groove.The respective side of remaining five section of jurisdiction also arranges columned projection and groove in this manner.When being completed after a circle lining cutting by six pipe sheet assemblings, in assembled next circle can be by this circle when section of jurisdiction, on each section of jurisdiction, there is protruding one end and be embedded into last circle in the cylindrical grooves of the assembled section of jurisdiction completing, mutual splicing before and after forming between two circle sections of jurisdiction, completes the longitudinally assembled of section of jurisdiction.
Compared with prior art, the beneficial effects of the utility model are:
One, the utility model is divided into six arc prefabricated pipe sections by having a certain thickness circle concrete lining in circular cross section tunnel, i.e. bind piece, two inclined to one side wedge shape adjacent block and three cuboid calibrated bolcks of a wedge shape, each section of jurisdiction length axial along tunnel is 1.0m～1.5m.Between the hoop of prefabricated pipe section perpendicular to tunnel axis, adopt the concavo-convex step in its side to splice, and along all adopting the concavo-convex cylindrical grooves in end and projection to splice in tunnel axis direction between adjacent section of jurisdiction.The utility model has been cancelled fastening bolt conventional in existing assembling technique, the labour intensity can reduce personnel's on-site consolidation prefabricated pipe section time, and be conducive to improve the efficiency of construction of tunnel lining, accelerate the construction speed of tunnel lining, thereby can reduce construction costs.
Two, from prior art need to be on section of jurisdiction when the prefabricated pipe section way of prepared screw-bolt hole different, the utility model has been cancelled the way of prepared screw-bolt hole on precast concrete section of jurisdiction, the difficulty that has not only reduced processing and made segment die, and owing to having cancelled reserved bolt hole in section of jurisdiction, pouring quality and the bulk strength that can be conducive to improve concrete pipe sheet, extend its durability.
Three, different from the technology of existing employing special bolt connection prefabricated pipe section, tunnel segment structure of the present utility model has all adopted the mode that each section of jurisdiction interface splices mutually to connect, can not only reduce on-site consolidation section of jurisdiction time, dock the difficulty of spiro keyhole position, and can reduce artificial assembled labour intensity, can shorten tunnel lining and become the ring seal time, be conducive to ensure the safety of constructing tunnel.
Accompanying drawing explanation
Fig. 1 is the circular tunnel lining cross-sectional view of the assembled moulding of the utility model
Fig. 2 is the A-A sectional view of the utility model Fig. 1
Fig. 3 is prefabricated pipe section sectional view of the present utility model
Fig. 4 is the bind elevation of piece 1 of the utility model
Fig. 5 is the B-B sectional drawing of the utility model Fig. 4
Fig. 6 is the top view of piece 1 of binding
Fig. 7 is the elevation of adjacent block 2
Fig. 8 is the top view of adjacent block 2
Fig. 9 is the elevation of adjacent block 3
Figure 10 is the top view of adjacent block 3
Figure 11 is the elevation of calibrated bolck 4
Figure 12 is the top view of calibrated bolck 4
Figure 13 is the elevation of calibrated bolck 5
Figure 14 is the top view of calibrated bolck 5
Figure 15 is the elevation of calibrated bolck 6
Figure 16 is the top view of calibrated bolck 6
Accompanying drawing is described as follows:
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Because the side view of six sections of jurisdiction is identical with sectional drawing, be only illustrated as example take the piece 1 that binds, remaining five prefabricated pipe section only shows its elevation and top view.
Embodiment
A kind of specific embodiment of the present utility model is, a kind of assembling tunnel lining segment, is applicable to excavate as the tunnel lining of the circular cross section of shield machine method or man digging method with Mechanical Method,
A kind of assembling tunnel lining segment, its practice is:
A, the concrete lining in circular tunnel cross section is divided into six block concrete prefabricated pipe sections, six block concrete prefabricated pipe section cross sections are all with circular arc, be respectively: piece 1 binds, two adjacent block 2,3 and three calibrated bolcks 4,5,6, their two end faces are equipped with symmetrical configuration or contrary concavo-convex step; The positive wedge shape of being shaped as of piece 1 that binds, symmetrical configuration, adjacent block 2 and adjacent block 3 are all inclined to one side wedge shape, both inverted configuration; The inverted configuration of calibrated bolck 4 and calibrated bolck 6, the symmetrical configuration of calibrated bolck 5;
End face 1a of B, the piece 1 that binds and the end face 2a of adjacent block 2 cooperatively interact; Bind another end face 1b of piece 1 and the end face (3a) of adjacent block 3 cooperatively interacts; An end face 4a of another end face 2b of adjacent block 2 and adjacent block 4 cooperatively interacts; Adjacent block 4 another end face 4b coordinate with the end face 5a of calibrated bolck 5; Another end face 5b of calibrated bolck 5 coordinates with the end face 6a of calibrated bolck 6, and the other end 6b of calibrated bolck 6 coordinates with the end face 3b of adjacent block 3, and the end face of this six block concretes prefabricated pipe section splices mutually;
C, six prefabricated pipe sections are perpendicular to former and later two sides of tunnel axis direction, and one of them side is provided with semi-cylindrical projection, and another side is corresponding thereto provided with semi-cylindrical groove.When being completed by six pipe sheet assemblings after the lining cutting of a circle sealing, in assembled next circle can be by this circle when section of jurisdiction, each section of jurisdiction has protruding one end and is embedded into last circle in the assembled cylindrical grooves that completes section of jurisdiction, the mutual splicings before and after forming between two circle sections of jurisdiction.
D, the described piece 1 that binds, adjacent block 2, 3 and calibrated bolck 4, 5, 6 dividing mode can arrange according to the corresponding central angle of its arc length, when binding, the corresponding central angle of piece circular arc is α, adjacent block 2, the corresponding central angle of 3 circular arc is β, calibrated bolck 4, the corresponding central angle of 6 circular arc is γ, when the corresponding central angle of calibrated bolck 5 circular arc is δ, its value should meet following relationship: γ+δ=360 °, β+2, α+2, wherein 10 °≤α≤50 °, 10 °≤β≤70 °, 56 ° of < γ≤111 °, 54 ° of < δ≤108 °, and α≤β < δ < γ.
Described circular tunnel hoop and the mode that longitudinally between each adjacent section of jurisdiction, all employing is spliced are spliced fixing.
Described prefabricated pipe section is controlled at 1.0m～1.5m along the length in tunnel axis direction.
The length that described step protrudes should be less than 1/3rd or 1/2nd of the piece thickness that binds.
The described piece 1 that binds is to form the little positive wedge shape in large one end, one end along tunnel axis direction, and its volume is minimum in six prefabricated pipe sections.
The volume of described adjacent block 2,3 is placed in the middle in six prefabricated sections.
After the concavo-convex step assembling of the both ends of the surface of described section of jurisdiction, form hole 8 in side.
D, during constructing tunnel and driving, the mode that six described block concrete prefabricated pipe sections are spliced mutually according to the concavo-convex step of two end face just forms the tunnel circular liner of a circle sealing after splicing.During assembled prefabricated pipe section, lift section of jurisdiction by hole for hoist 7.The order of desired each pipe sheet assembling is: first set calibrated bolck 5, then assembled calibrated bolck 4, calibrated bolck 6, assembled adjacent block 2 and adjacent block 3 again, prolongs and is axially wedged in remaining wedge shape space after the piece 1 that finally will bind first radially pushes, and forms the tunnel circular liner of a circle sealing.The hole 8 forming on the side of splicing mutually after pipe sheet assembling can be used as the position of pasting sealing rod, for the sealing of section of jurisdiction hoop and longitudinal seam.
E, former and later two sides for each prefabricated pipe section perpendicular to tunnel axis direction, be provided with semi-cylindrical projection on one of them side, and be provided with semi-cylindrical groove on another side corresponding thereto.Take the piece 1 that binds as example, its side 9 is provided with semi-cylindrical projection, and another side 10 is corresponding thereto provided with semi-cylindrical groove.In the respective side of all the other five sections of jurisdiction, also mode arranges respectively columned projection and groove like this.When being completed by six pipe sheet assemblings after the lining cutting of a circle sealing, in the time of assembled next circle section of jurisdiction by this circle in each section of jurisdiction there is protruding one end and be embedded into last circle in the groove of the assembled section of jurisdiction completing, the mutual splicings before and after forming between two circle sections of jurisdiction.
When actual enforcement, section of jurisdiction of the present utility model Mosaic face step shape and groove also can be transformed into ellipse or wedge shape etc. with protruding shape, are keeping under the constant condition of assembled order, and the position of each section of jurisdiction hoop placement in tunnel can arbitrarily be adjusted.In addition for the tunnel lining with type cross sections such as ellipse, the shape of a hoof and rectangles; in the time adopting machinery or manual method excavation, also can carry out in this manner division and the setting of prefabricated pipe section, the splicing structure of obvious this mode also belongs to the scope of the utility model protection.
Claims (7)
1. an assembling tunnel lining segment, is characterized in that:
A, the concrete lining in circular tunnel cross section is divided into six block concrete prefabricated pipe sections, six block concrete prefabricated pipe section cross sections are all with circular arc, be respectively: the piece that binds (1), two adjacent block (2,3) and three calibrated bolcks (4,5,6), their two end faces are equipped with symmetrical configuration or contrary concavo-convex step; The bind positive wedge shape that is shaped as of piece (1), symmetrical configuration, adjacent block (2) and adjacent block (3) are all inclined to one side wedge shape, both inverted configuration; The inverted configuration of calibrated bolck (4) and calibrated bolck (6), the symmetrical configuration of calibrated bolck (5);
An end face (1a) of B, the piece that binds (1) cooperatively interacts with the end face (2a) of adjacent block (2); Bind another end face (1b) of piece (1) and the end face (3a) of adjacent block (3) cooperatively interacts; Another end face (2b) of adjacent block (2) cooperatively interacts with an end face (4a) of adjacent block (4); Another end face of adjacent block (4) (4b) coordinates with the end face (5a) of calibrated bolck (5); Another end face (5b) of calibrated bolck (5) coordinates with the end face (6a) of calibrated bolck (6); the other end (6b) of calibrated bolck (6) coordinates with the end face (3b) of adjacent block (3), and the end face of this six block concretes prefabricated pipe section splices mutually;
C, six prefabricated pipe sections are perpendicular to former and later two sides of tunnel axis direction, one of them side is provided with semi-cylindrical projection, and another side is corresponding thereto provided with semi-cylindrical groove, when being completed by six pipe sheet assemblings after the lining cutting of a circle sealing, in assembled next circle can be by this circle when section of jurisdiction, each section of jurisdiction has protruding one end and is embedded into last circle in the assembled cylindrical grooves that completes section of jurisdiction, mutual splicing before and after forming between two circle sections of jurisdiction
D, the described piece that binds (1), adjacent block (2, 3) and calibrated bolck (4, 5, 6) dividing mode can arrange according to the corresponding central angle of its arc length, when the corresponding central angle of the piece that binds (1) circular arc is α, adjacent block (2, 3) the corresponding central angle of circular arc is β, calibrated bolck (4, 6) the corresponding central angle of circular arc is γ, when the corresponding central angle of calibrated bolck (5) circular arc is δ, its value should meet following relationship: γ+δ=360 °, β+2, α+2, wherein 10 °≤α≤50 °, 10 °≤β≤70 °, 56 ° of < γ≤111 °, 54 ° of < δ≤108 °, and α≤β < δ < γ.
2. a kind of assembling tunnel lining segment according to claim 1, is characterized in that; Described circular tunnel hoop and the mode that longitudinally between each adjacent section of jurisdiction, all employing is spliced are spliced fixing.
3. a kind of assembling tunnel lining segment according to claim 1, is characterized in that; Described prefabricated pipe section is controlled at 1.0m～1.5m along the length in tunnel axis direction.
4. a kind of assembling tunnel lining segment according to claim 1, is characterized in that; The length that described step protrudes should be less than 1/3rd or 1/2nd of the piece thickness that binds.
5. a kind of assembling tunnel lining segment according to claim 1, is characterized in that; The described piece that binds (1) is to form the little positive wedge shape in large one end, one end along tunnel axis direction, and its volume is minimum in six prefabricated pipe sections.
6. a kind of assembling tunnel lining segment according to claim 1, is characterized in that; The volume of described adjacent block (2,3) is placed in the middle in six prefabricated sections.
7. a kind of assembling tunnel lining segment according to claim 1, is characterized in that; After the concavo-convex step assembling of the both ends of the surface of described section of jurisdiction, form hole (8) in side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885197.2U CN203669880U (en) | 2013-12-31 | 2013-12-31 | Assembly type tunnel lining segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885197.2U CN203669880U (en) | 2013-12-31 | 2013-12-31 | Assembly type tunnel lining segment |
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| Publication Number | Publication Date |
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| CN203669880U true CN203669880U (en) | 2014-06-25 |
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| CN201320885197.2U Withdrawn - After Issue CN203669880U (en) | 2013-12-31 | 2013-12-31 | Assembly type tunnel lining segment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643966A (en) * | 2013-12-31 | 2014-03-19 | 西南交通大学 | Prefabricated tunnel lining segment |
| CN104790974A (en) * | 2015-04-29 | 2015-07-22 | 浙江省交通规划设计研究院 | City subway overlapped shield tunnel segment structure adopting special longitudinal connecting pieces |
| CN108397211A (en) * | 2018-02-24 | 2018-08-14 | 济南轨道交通集团有限公司 | A kind of section of jurisdiction that can be removed inside subway tunnel and construction method |
| CN108643233A (en) * | 2018-08-14 | 2018-10-12 | 康富 | A kind of composite material enhancing special-shaped Tenon Self-fastening underground pipe gallery section of jurisdiction |
| CN109056792A (en) * | 2018-08-14 | 2018-12-21 | 康富 | A kind of natural material abnormity Tenon Self-fastening underground pipe gallery section of jurisdiction |
| CN109098208A (en) * | 2018-08-31 | 2018-12-28 | 郭毅轩 | A kind of seabed tunnel and its construction method |
| CN110424337A (en) * | 2019-08-27 | 2019-11-08 | 中水北方勘测设计研究有限责任公司 | Precast Gallery for RCC dam |
| CN110608052A (en) * | 2019-10-22 | 2019-12-24 | 湘潭大学 | Tunnel segment based on high-performance cement-based composite material and construction method thereof |
| CN111235966A (en) * | 2020-01-20 | 2020-06-05 | 王军 | Vacuum pipeline and installation assembly for high-speed train |
| CN111411982A (en) * | 2020-05-09 | 2020-07-14 | 黄河勘测规划设计研究院有限公司 | Egg-shaped tunnel fabricated lining and egg-shaped tunnel lining construction method |
| CN113153370A (en) * | 2021-04-26 | 2021-07-23 | 中交二公局东萌工程有限公司 | Tunnel TBM stepping precast concrete component and construction method |
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2013
- 2013-12-31 CN CN201320885197.2U patent/CN203669880U/en not_active Withdrawn - After Issue
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643966B (en) * | 2013-12-31 | 2015-08-19 | 西南交通大学 | A kind of assembling tunnel lining segment |
| CN103643966A (en) * | 2013-12-31 | 2014-03-19 | 西南交通大学 | Prefabricated tunnel lining segment |
| CN104790974A (en) * | 2015-04-29 | 2015-07-22 | 浙江省交通规划设计研究院 | City subway overlapped shield tunnel segment structure adopting special longitudinal connecting pieces |
| CN108397211B (en) * | 2018-02-24 | 2019-08-13 | 济南轨道交通集团有限公司 | A kind of section of jurisdiction that can be removed inside subway tunnel and construction method |
| CN108397211A (en) * | 2018-02-24 | 2018-08-14 | 济南轨道交通集团有限公司 | A kind of section of jurisdiction that can be removed inside subway tunnel and construction method |
| CN108643233A (en) * | 2018-08-14 | 2018-10-12 | 康富 | A kind of composite material enhancing special-shaped Tenon Self-fastening underground pipe gallery section of jurisdiction |
| CN109056792A (en) * | 2018-08-14 | 2018-12-21 | 康富 | A kind of natural material abnormity Tenon Self-fastening underground pipe gallery section of jurisdiction |
| CN109098208A (en) * | 2018-08-31 | 2018-12-28 | 郭毅轩 | A kind of seabed tunnel and its construction method |
| CN109098208B (en) * | 2018-08-31 | 2024-04-26 | 郭毅轩 | Submarine tunnel and construction method thereof |
| CN110424337A (en) * | 2019-08-27 | 2019-11-08 | 中水北方勘测设计研究有限责任公司 | Precast Gallery for RCC dam |
| CN110608052A (en) * | 2019-10-22 | 2019-12-24 | 湘潭大学 | Tunnel segment based on high-performance cement-based composite material and construction method thereof |
| CN111235966A (en) * | 2020-01-20 | 2020-06-05 | 王军 | Vacuum pipeline and installation assembly for high-speed train |
| CN111411982A (en) * | 2020-05-09 | 2020-07-14 | 黄河勘测规划设计研究院有限公司 | Egg-shaped tunnel fabricated lining and egg-shaped tunnel lining construction method |
| CN113153370A (en) * | 2021-04-26 | 2021-07-23 | 中交二公局东萌工程有限公司 | Tunnel TBM stepping precast concrete component and construction method |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20150819 |
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