CN205445627U - Tunnel segment longitudinal joint coupling assembling with tolerance ability - Google Patents
Tunnel segment longitudinal joint coupling assembling with tolerance ability Download PDFInfo
- Publication number
- CN205445627U CN205445627U CN201521113653.7U CN201521113653U CN205445627U CN 205445627 U CN205445627 U CN 205445627U CN 201521113653 U CN201521113653 U CN 201521113653U CN 205445627 U CN205445627 U CN 205445627U
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- longitudinal joint
- section
- gradual change
- change cross
- connecting plate
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Abstract
The utility model discloses a tunnel segment longitudinal joint coupling assembling with tolerance ability, including pre -buried longitudinal joint male part on two sections of jurisdiction that need hoop butt joint and longitudinal joint female part respectively, the longitudinal joint male part is including gradual change cross -section cylinder, connecting plate and base, the one end rigid coupling of connecting plate in the side of gradual change cross -section cylinder, the other end and the base of connecting plate are connected, and the thickness of connecting plate is less than microcephaly's diameter of gradual change cross -section cylinder, the axial lead of gradual change cross -section cylinder and vertically paralleling of section of jurisdiction, the longitudinal joint female part includes anterior segment and back end, set up in the anterior segment one with gradual change cross -section cylinder assorted gradual change cross -section circle pillar cavity room, the one end of keeping away from the back end on the anterior segment set up one with the shape of connecting plate, size phase -match and the through -hole that is linked together with gradual change cross -section circle pillar cavity room, the utility model discloses have certain tolerance ability, connect the swift convenience of construction, can warp under the requirement by the atress when satisfying the lining segment construction and using, realize automatic, mechanical construction, effectively improve the efficiency of construction.
Description
Technical field
This utility model relates to a kind of constructing tunnel instrument, particularly relates to a kind of tunnel duct piece longitudinal joint with fault tolerance and connects assembly.
Background technology
Duct piece connector (i.e. tunnel duct piece longitudinal joint connects assembly) is the important component part of shield tunnel prefbricated tunnel lining section of jurisdiction, and the performance of joint, economy directly determine performance and the construction cost of whole liner structure.Current domestic shield tunnel liner the most all uses bolt as connector, including short straight bolt, grows straight bolt, curved bolt, oblique bolt etc..
Bolt is installed intuitive and reliable as connector, it is ensured that the fastening force of requirement, but there is also a lot of problem:
1) using bolt to need to arrange hand hole on section of jurisdiction as connector, hand hole causes weakening to concrete pipe sheet, the problem being susceptible to section of jurisdiction Local Cracking in construction and use, and then causes percolating water, and impact is normal to be used and the durability of lining cutting
2) fastening of bolt is substantially manual work, takes considerable time and manpower, and speed of application is slow, long in time limit.
The longitudinal joint Quick connection part applied at present various informative, but from essential structure, mainly there are two classes: the first kind, as it is shown in figure 1, insert the C-H-C type longitudinal joint Quick connection part of H type part 2 ' in two c-type parts 1 ', two c-type parts 1 ' are fixed with dowel 3 ' respectively and are connected；Equations of The Second Kind, as in figure 2 it is shown, insert the C-T type longitudinal joint Quick connection part of T-shaped part 4 ' in a c-type part 1 ', c-type part 1 ' is fixing with dowel 3 ' respectively with T-shaped part 4 ' to be connected.C-H-C more takes material when type longitudinal joint Quick connection part makes in section of jurisdiction, and cost is higher, and three types are than many one of 2-piece connector power transmission link, and the link so gone wrong is also the most more, and under equal conditions rigidity is the most relatively small.Additionally, two class connectors all to there is stress unreasonable, stress concentration phenomenon easily occurs during use.
Therefore, a kind of tunnel duct piece longitudinal joint connection assembly that disclosure satisfy that force request, connection have fault tolerance quickly and easily how is provided, it has also become construction circle needs the technical problem of further improvement and optimization.
Utility model content
The purpose of this utility model is to provide a kind of tunnel duct piece longitudinal joint with fault tolerance to connect assembly, there is certain fault tolerance, connection construction is efficient and convenient, under stress deformation when can construct meeting lining segment and use requires, realize automatization, mechanized construction, be effectively improved efficiency of construction.
For solving above-mentioned technical problem, this utility model following technical scheme of offer:
A kind of tunnel duct piece longitudinal joint with fault tolerance connects assembly, including the longitudinal joint male part being embedded in the most in advance on the two panels section of jurisdiction needing hoop to dock and longitudinal joint female part, described longitudinal joint male part includes gradual change cross section cylinder, connecting plate and base, one end of described connecting plate is fixed in cylindrical side, described gradual change cross section, the other end of described connecting plate is connected with described base, the thickness of described connecting plate is less than the cylindrical top diameter in described gradual change cross section, and the cylindrical axial line in described gradual change cross section is paralleled with the longitudinal direction of section of jurisdiction；Described longitudinal joint female part includes leading portion and back segment, offering a gradual change cross section cylindrical chamber matched with described gradual change cross section cylinder in leading portion, on described leading portion, a through hole matching with the shape of described connecting plate, size and being connected with described gradual change cross section cylindrical chamber is offered in the one end away from back segment.
Preferably, connecting in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, described connecting plate is connected by a rotating shaft with described base, and the most cylindrical with described gradual change cross section of described rotating shaft is axially paralleled.
Preferably, connecting in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, described gradual change cross section cylinder is identical with the reducing gradient of described gradual change cross section cylindrical chamber, is 1/50-1/30.
Preferably, connecting in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, the cylindrical top diameter in described gradual change cross section is 7-9mm, and the cylindrical diameter at butt end in described gradual change cross section is 12-14mm.
Preferably, connect in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, on described base, bolt hole is offered in the one end away from described connecting plate, and on described back segment, bolt hole is offered in the one end away from described leading portion, and described bolt hole is connected by dowel and section of jurisdiction are fixing respectively.
Preferably, connecting in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, on described base, two bolts hole are offered in the one end away from described connecting plate, and on described back segment, two bolts hole are offered in the one end away from described leading portion.
Preferably, connecting in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, the pitch of holes of two bolts hole is 50-70mm, and the degree of depth of described bolt hole is 25-35mm.
Preferably, connect in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, the a length of 110-140mm that described longitudinal joint female part is longitudinal along section of jurisdiction with longitudinal joint male part, described longitudinal joint female part is 90-120mm with the width of longitudinal joint male part, and described longitudinal joint female part is 55-65mm with the height of longitudinal joint male part.
Preferably, connect in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, described longitudinal joint female part integral built-in enters in section of jurisdiction, a groove that can accommodate described longitudinal joint male part it is provided with in described section of jurisdiction, described longitudinal joint female part is positioned at the side of described groove, flushing with the end face of described section of jurisdiction away from one end of described back segment on the described leading portion of described longitudinal joint female part, on described leading portion, the end face of the major part of corresponding described gradual change cross section cylindrical chamber flushes with a side of the described groove of described section of jurisdiction.
Preferably, connecting in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, processing by necking down at connecting plate of the described base of described longitudinal joint male part, the remainder that the necking down root of described base is later is embedded into section of jurisdiction.
From techniques disclosed above scheme, compared with prior art, the beneficial effects of the utility model are as follows:
(1) the tunnel duct piece longitudinal joint with fault tolerance that this utility model provides connects assembly, including the longitudinal joint male part being embedded in the most in advance on the two panels section of jurisdiction needing hoop to dock and longitudinal joint female part, described longitudinal joint male part includes gradual change cross section cylinder, connecting plate and base, one end of described connecting plate is fixed in cylindrical side, described gradual change cross section, the other end of described connecting plate is connected with described base, the thickness of described connecting plate is less than the cylindrical top diameter in described gradual change cross section, and the cylindrical axial line in described gradual change cross section is paralleled with the longitudinal direction of section of jurisdiction；Described longitudinal joint female part includes leading portion and back segment, a gradual change cross section cylindrical chamber matched with described gradual change cross section cylinder is offered in leading portion, on described leading portion, the shape of one and described connecting plate is offered in one end away from back segment, the through hole that size matches and is connected with described gradual change cross section cylindrical chamber, when longitudinally adjacent section of jurisdiction connects, by cylindrical for the gradual change cross section of longitudinal joint male part little head end progressively being stretched into the stub end of the leading portion with gradual change cross section cylindrical chamber of described longitudinal joint female part, connection construction facilitates convenient, there is certain fault tolerance, stress when meeting lining segment construction and using, on the premise of deformation and waterproof requirement, it is capable of mechanization, automated construction, without carrying out artificial connection construction, it is effectively increased efficiency of construction.
(2) in this utility model, described connecting plate is connected by a rotating shaft with described base, the the most cylindrical with described gradual change cross section of described rotating shaft is axially paralleled, make described connecting plate and the gradual change cross section cylinder can the most described base rotation certain angle, expand the cylindrical range of activity in gradual change cross section, thus significantly improve tunnel duct piece longitudinal joint and connect the fault tolerance of assembly, the i.e. ability of tolerable error.
(3) in this this utility model, by described longitudinal joint female part integral built-in is entered in section of jurisdiction, a groove that can accommodate described longitudinal joint male part it is provided with in described section of jurisdiction 1, described longitudinal joint female part is positioned at the side of described groove, flush with the end face of described section of jurisdiction away from one end of described back segment on the described leading portion of described longitudinal joint female part, on described leading portion, the end face of the major part of corresponding described gradual change cross section cylindrical chamber flushes with a side of the described groove of described section of jurisdiction；Processing by necking down at connecting plate of the described base of described longitudinal joint male part, the remainder that the necking down root of described base is later is embedded into section of jurisdiction, stress, deformation and waterproof requirement such that it is able to guarantee that longitudinal joint female part and longitudinal joint male part are reliably connected with described section of jurisdiction, when meeting lining segment construction and use.In addition, on described base, bolt hole is offered in the one end away from described connecting plate, on described back segment, bolt hole is offered in the one end away from described leading portion, and described bolt hole is connected by dowel and section of jurisdiction are fixing respectively, can improve the bonding strength between longitudinal joint male part and longitudinal joint female part and section of jurisdiction further.
Accompanying drawing explanation
Fig. 1 is the structural representation of C-H-C type longitudinal joint Quick connection part in prior art；
Fig. 2 is the structural representation of C-T type longitudinal joint Quick connection part in prior art；
Fig. 3 is that the tunnel duct piece longitudinal joint with fault tolerance of this utility model one embodiment connects schematic diagram before assembling components；
Fig. 4 be this utility model one embodiment have fault tolerance tunnel duct piece longitudinal joint connect assembly assembling after schematic diagram；
Fig. 5 is the structure front elevational schematic of longitudinal joint male part in this utility model one embodiment；
Fig. 6 is the rearview of Fig. 5；
Fig. 7 is the right view of Fig. 5；
Fig. 8 is the top view of Fig. 5；
Fig. 9 is the structural representation of longitudinal joint female part in this utility model one embodiment；
Figure 10 is the rearview of Fig. 9；
Figure 11 is the right view of Fig. 9；
Figure 12 is the top view of Fig. 9.
Figure 13 is longitudinal joint female part and the longitudinal joint male part structural representation to timing；
Figure 14 is longitudinal joint female part and the structural representation during locking of longitudinal joint male part.
In figure: 1 '-c-type part, 2 '-H type parts, 3 '-dowel, 4 '-T-shaped part；1-section of jurisdiction, 2-longitudinal joint male part, 21-gradual change cross section cylinder, 22-connecting plate, 23-base, 231-bolt hole one, 232-necking down root, 24-rotating shaft, 3-longitudinal joint female part, 31-leading portion, 311-gradual change cross section cylindrical chamber, 312-through hole, 32-back segment, 321-bolt hole two, 4-dowel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, a kind of tunnel duct piece longitudinal joint with fault tolerance that the utility model proposes is connected assembly to be described in further detail.According to description below and claims, advantage of the present utility model and feature will be apparent from.Hereinafter accompanying drawing be will be combined by cited embodiment, technology contents of the present utility model and feature described in detail.Need to additionally illustrate, accompanying drawing all uses the form simplified very much and all uses non-ratio accurately, only in order to purpose convenient, aid illustration this utility model embodiment lucidly.For sake of convenience, described below " on ", the upper and lower direction of D score and accompanying drawing consistent, but this can not become the restriction of technical solutions of the utility model.
Refer to Fig. 3 to Figure 12, present embodiment discloses a kind of tunnel duct piece longitudinal joint with fault tolerance and connect assembly, including the longitudinal joint male part 2 being embedded in the most in advance on the two panels section of jurisdiction 1 needing hoop to dock and longitudinal joint female part 3, described longitudinal joint male part 2 includes gradual change cross section cylinder 21, connecting plate 22 and base 23, one end of described connecting plate 22 is fixed in the side of described gradual change cross section cylinder 21, the other end of described connecting plate 22 is connected with described base 23, the thickness of described connecting plate 22 is less than the top diameter of described gradual change cross section cylinder 21, the axial line of described gradual change cross section cylinder 21 is paralleled with the longitudinal direction of section of jurisdiction 1；Described longitudinal joint female part 3 includes leading portion 31 and back segment 32, offering a gradual change cross section cylindrical chamber 311 matched with described gradual change cross section cylinder 21 in leading portion 31, on described leading portion 31, a through hole 312 matching with the shape of described connecting plate 22, size and being connected with described gradual change cross section cylindrical chamber 311 is offered in the one end away from back segment 32.When longitudinally adjacent section of jurisdiction 1 connects, by the little head end of the gradual change cross section cylinder 21 of longitudinal joint male part 2 progressively being stretched into the stub end of the leading portion 31 with gradual change cross section cylindrical chamber 311 of described longitudinal joint female part 3, connection construction facilitates convenient, there is certain fault tolerance, on the premise of stress, deformation and waterproof requirement when meeting lining segment construction and using, it is capable of mechanization, automated construction, it is not necessary to carry out artificial connection construction, be effectively increased efficiency of construction.
Preferably, connecting in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, described connecting plate 22 is connected by a rotating shaft 24 with described base 23, axially paralleling of the axial and described gradual change cross section cylinder 21 of described rotating shaft 24.Owing to described connecting plate 22 is connected by a rotating shaft 24 with described base 23, axially paralleling of the axial and described gradual change cross section cylinder 21 of described rotating shaft 24, described connecting plate 22 and gradual change cross section cylinder 21 can be turned an angle by the most described base 23, expand the range of activity of gradual change cross section cylinder 21, thus significantly improve tunnel duct piece 1 longitudinal joint and connect the fault tolerance of assembly, the i.e. ability of tolerable error.
In the present embodiment, described longitudinal joint female part 3 and longitudinal joint male part 2 are along a length of 110-140mm of section of jurisdiction 1 longitudinal direction, and described longitudinal joint female part 3 is 90-120mm with the width of longitudinal joint male part 2, and described longitudinal joint female part 3 is 55-65mm with the height of longitudinal joint male part 2.
So that gradual change cross section cylinder 21 have enough intensity and can with described gradual change cross section cylindrical chamber 311 quickly, be reliably connected, preferably, connect in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, described gradual change cross section cylinder 21 is identical with the reducing gradient of described gradual change cross section cylindrical chamber 311, is 1/50-1/30.In the present embodiment, it is preferred that connecting in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, the top diameter of described gradual change cross section cylinder 21 is 7-9mm, and the diameter at butt end of described gradual change cross section cylinder 21 is 12-14mm.
For improving the bonding strength between longitudinal joint male part 2 and longitudinal joint female part 3 and section of jurisdiction 1, preferably, on described base 23, bolt hole is offered in the one end away from described connecting plate 22, i.e. bolt hole 1, on described back segment 32, bolt hole is offered in the one end away from described leading portion 31, i.e. bolt hole 2 321, described bolt hole is connected by dowel 4 is fixing with section of jurisdiction 1 respectively.In the present embodiment, on described base 23, two bolts hole are offered in the one end away from described connecting plate 22, on described back segment 32, two bolts hole are offered in the one end away from described leading portion 31, and the pitch of holes of two bolts hole is 50-70mm, and the degree of depth of described bolt hole is 25-35mm.
Preferably, connect in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance, processing by necking down at connecting plate 22 of the described base 23 of described longitudinal joint male part 2, the remainder that the necking down root 232 of described base 23 is later is embedded into section of jurisdiction 1, such that it is able to guarantee that longitudinal joint male part 2 is reliably connected with described section of jurisdiction 1, meet stress, deformation and waterproof requirement when lining segment 1 is constructed and uses.
nullPreferably，Connect in assembly at the above-mentioned tunnel duct piece longitudinal joint with fault tolerance，Described longitudinal joint female part 3 integral built-in enters in section of jurisdiction 1，Described longitudinal joint female part 3 integral built-in enters in section of jurisdiction 1，A groove 10 that can accommodate described longitudinal joint male part 2 it is provided with in described section of jurisdiction 1，Described longitudinal joint female part 3 is positioned at the side of described groove 10，Flush with the end face of described section of jurisdiction 1 away from one end of described back segment 32 on the described leading portion 31 of described longitudinal joint female part 3，On described leading portion 31, the end face of the major part of corresponding described gradual change cross section cylindrical chamber 311 flushes with a side of the described groove 10 of described section of jurisdiction 1，Such that it is able on the premise of guaranteeing that longitudinal joint female part 3 and described section of jurisdiction 1 are reliably connected，It is easy to the connection of longitudinal joint male part 2 and longitudinal joint female part，Meet stress when lining segment 1 is constructed and uses、Deformation and waterproof requirement.
Please continue to refer to referring to Figure 13 and Figure 14, and incorporated by reference to Fig. 3 to Figure 12, in the present embodiment, utilize have fault tolerance tunnel duct piece longitudinal joint connect assembly carry out tunnel duct piece 11 hoop docking technique as follows:
1) align: longitudinal joint female part 3 please be finely tuned under the adjustment installing arm refering to Figure 13 and Fig. 1 by emphasis, make longitudinal joint female part 3 and corresponding longitudinal joint male part 2 align.
2) insert: under the effect installing arm, section of jurisdiction 1 is slowly installed and pushed, and longitudinal joint female part 3 is gradually inserted in longitudinal joint male part 2, preliminary installation.
3) locking: please lock further refering to Figure 14 and Fig. 2 longitudinal joint female part 3 and corresponding longitudinal joint male part 2 under the effect of shield structure jack propulsive thrust by emphasis, completes the hoop docking of two panels section of jurisdiction 1.
Foregoing description is only the description to this utility model preferred embodiment; the not any restriction to this utility model scope; any change that the those of ordinary skill in this utility model field does according to the disclosure above content, modification, belong to the protection domain of claims.
Claims (10)
1. a tunnel duct piece longitudinal joint with fault tolerance connects assembly, it is characterized in that, including the longitudinal joint male part being embedded in the most in advance on the two panels section of jurisdiction needing hoop to dock and longitudinal joint female part, described longitudinal joint male part includes gradual change cross section cylinder, connecting plate and base, one end of described connecting plate is fixed in cylindrical side, described gradual change cross section, the other end of described connecting plate is connected with described base, the thickness of described connecting plate is less than the cylindrical top diameter in described gradual change cross section, and the cylindrical axial line in described gradual change cross section is paralleled with the longitudinal direction of section of jurisdiction；Described longitudinal joint female part includes leading portion and back segment, offering a gradual change cross section cylindrical chamber matched with described gradual change cross section cylinder in leading portion, on described leading portion, a through hole matching with the shape of described connecting plate, size and being connected with described gradual change cross section cylindrical chamber is offered in the one end away from back segment.
The tunnel duct piece longitudinal joint the most as claimed in claim 1 with fault tolerance connects assembly, it is characterised in that described connecting plate is connected by a rotating shaft with described base, and the most cylindrical with described gradual change cross section of described rotating shaft is axially paralleled.
The tunnel duct piece longitudinal joint the most as claimed in claim 1 with fault tolerance connects assembly, it is characterised in that described gradual change cross section cylinder is identical with the reducing gradient of described gradual change cross section cylindrical chamber, is 1/50-1/30.
The tunnel duct piece longitudinal joint the most as claimed in claim 1 with fault tolerance connects assembly, it is characterised in that the cylindrical top diameter in described gradual change cross section is 7-9mm, and the cylindrical diameter at butt end in described gradual change cross section is 12-14mm.
The tunnel duct piece longitudinal joint the most as claimed in claim 1 with fault tolerance connects assembly, it is characterized in that, on described base, bolt hole is offered in the one end away from described connecting plate, on described back segment, bolt hole is offered in the one end away from described leading portion, and described bolt hole is connected by dowel and section of jurisdiction are fixing respectively.
The tunnel duct piece longitudinal joint the most as claimed in claim 1 with fault tolerance connects assembly, it is characterised in that on described base, two bolts hole are offered in the one end away from described connecting plate, and on described back segment, two bolts hole are offered in the one end away from described leading portion.
The tunnel duct piece longitudinal joint the most as claimed in claim 6 with fault tolerance connects assembly, it is characterised in that the pitch of holes of two bolts hole is 50-70mm, and the degree of depth of described bolt hole is 25-35mm.
The tunnel duct piece longitudinal joint the most as claimed in claim 1 with fault tolerance connects assembly, it is characterized in that, the a length of 110-140mm that described longitudinal joint female part is longitudinal along section of jurisdiction with longitudinal joint male part, described longitudinal joint female part is 90-120mm with the width of longitudinal joint male part, and described longitudinal joint female part is 55-65mm with the height of longitudinal joint male part.
The tunnel duct piece longitudinal joint the most as claimed in claim 1 with fault tolerance connects assembly, it is characterized in that, described longitudinal joint female part integral built-in enters in section of jurisdiction, a groove that can accommodate described longitudinal joint male part it is provided with in described section of jurisdiction, described longitudinal joint female part is positioned at the side of described groove, flushing with the end face of described section of jurisdiction away from one end of described back segment on the described leading portion of described longitudinal joint female part, on described leading portion, the end face of the major part of corresponding described gradual change cross section cylindrical chamber flushes with a side of the described groove of described section of jurisdiction.
10. the tunnel duct piece longitudinal joint with fault tolerance as described in any one in claim 1-9 connects assembly, it is characterized in that, processing by necking down at connecting plate of the described base of described longitudinal joint male part, the remainder that the necking down root of described base is later is embedded into section of jurisdiction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113653.7U CN205445627U (en) | 2015-12-28 | 2015-12-28 | Tunnel segment longitudinal joint coupling assembling with tolerance ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113653.7U CN205445627U (en) | 2015-12-28 | 2015-12-28 | Tunnel segment longitudinal joint coupling assembling with tolerance ability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205445627U true CN205445627U (en) | 2016-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521113653.7U Withdrawn - After Issue CN205445627U (en) | 2015-12-28 | 2015-12-28 | Tunnel segment longitudinal joint coupling assembling with tolerance ability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205445627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484764A (en) * | 2015-12-28 | 2016-04-13 | 上海建工集团股份有限公司 | Segment longitudinal seam connecting assembly, tunnel segment structure and construction method |
-
2015
- 2015-12-28 CN CN201521113653.7U patent/CN205445627U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484764A (en) * | 2015-12-28 | 2016-04-13 | 上海建工集团股份有限公司 | Segment longitudinal seam connecting assembly, tunnel segment structure and construction method |
| CN105484764B (en) * | 2015-12-28 | 2018-07-17 | 上海建工集团股份有限公司 | Longitudinal Joint between Segments connection component, Structural Test of Tunnel Segments and construction method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20180717 |