CN106761838A - Tunnel Second Lining bow member unit and its arch frame structure and erection method that are constituted - Google Patents
Tunnel Second Lining bow member unit and its arch frame structure and erection method that are constituted Download PDFInfo
- Publication number
- CN106761838A CN106761838A CN201710090961.XA CN201710090961A CN106761838A CN 106761838 A CN106761838 A CN 106761838A CN 201710090961 A CN201710090961 A CN 201710090961A CN 106761838 A CN106761838 A CN 106761838A
- Authority
- CN
- China
- Prior art keywords
- bow member
- tunnel
- member unit
- lining
- circular arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 210000003205 muscle Anatomy 0.000 claims description 88
- 238000004458 analytical method Methods 0.000 claims description 76
- 239000000463 material Substances 0.000 claims description 32
- 230000002787 reinforcement Effects 0.000 claims description 18
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 128
- 230000003014 reinforcing effect Effects 0.000 description 9
- 210000000988 bone and bone Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (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 kind of Tunnel Second Lining bow member unit and its arch frame structure and erection method that are constituted, Tunnel Second Lining bow member unit includes the bow member unit cage bar of at least three equal lengths, all bow member unit framework outsides are fixedly connected into bow member unit skeleton by several stirrups, and bow member unit skeleton two ends end has been respectively fixedly connected with angle cleat；Arch frame structure includes several Tunnel Second Lining bow member units, and all Tunnel Second Lining bow member units connect into circular arc bow member sequentially through bolt and nut；Circular arc bow member outside is welded and fixed and is connected with outer layer ring cage bar, and circular arc bow member inner side is welded and fixed and is connected with internal layer ring cage bar, and several circular arc bow member parallel intervals constitute bow member component side by side.The present invention can be accurately positioned the position of secondary lining double layer bar, it is ensured that the thickness of concrete cover of double steel bar reaches design requirement, while it is possible to prevente effectively from the phenomenon that splash guard is punctured occurs.
Description
Technical field
The present invention relates to loess tunnel construction technical field, more particularly to a kind of Tunnel Second Lining bow member unit and its institute
The arch frame structure and erection method of composition.
Background technology
The technical barrier existed during current Tunnel Second Lining Construction is how to position the first ring of secondary lining
To reinforcing bar.Traditional localization method is will to design the reinforcing bar selected by being soldered to design length, by artificial brake forming,
In forming process, frictional force is larger between reinforcing bar and anchor bar of waterproof plate in tunnels, causes different degrees of impaired of splash guard, reduces waterproof
The service life of plate.Meanwhile, the outer layer circumferential reinforcement after shaping is close to splash guard, during pumping secondary lining concrete, outer layer
The thickness of concrete cover of circumferential reinforcement does not substantially reach design requirement, changes the actual mechanical behavior of secondary lining.Especially
It is in rich water tunnel, its waterproof ability to be greatly reduced after splash guard breakage, and outer layer circumferential reinforcement weathers and corrodes
Phenomenon also increases the risk during tunnel is runed than more serious while the life-span of secondary lining is reduced.
The content of the invention
In place of in view of the shortcomings of the prior art, it is an object of the invention to provide a kind of Tunnel Second Lining bow member list
Unit and its arch frame structure and erection method that are constituted, the present invention can be accurately positioned the position of secondary lining double layer bar, protect
The thickness of concrete cover for demonstrate,proving double steel bar reaches design requirement, while it is possible to prevente effectively from the phenomenon that splash guard is punctured is sent out
It is raw；Especially in large cross-section tunnel secondary lining steel bar arrangement, can play prevents first secondary lining circumferential reinforcement from laying
When reinforcing bar rollover effect.
The purpose of the present invention is achieved through the following technical solutions：
A kind of Tunnel Second Lining bow member unit, including at least three equal lengths bow member unit cage bar, all bow members
Unit framework outside is fixedly connected into bow member unit skeleton, the bow member unit skeleton two ends end difference by several stirrups
Angle cleat is fixedly connected with, bolt hole is provided with the angle cleat.
In order to this Tunnel Second Lining bow member unit is better achieved, the stirrup is along the length outside bow member unit framework
Degree direction uniform intervals spread configuration.
The further technical scheme of this Tunnel Second Lining bow member unit is：Two bolts are provided with the angle cleat
Hole, coordinates in bolt hole and is provided with bolt and nut；The angle cleat is fixedly connected with bow member unit cage bar end.
The preferred technical scheme of Tunnel Second Lining bow member unit of the present invention is：The bow member unit cage bar is by HRB335 steel
Muscle material or HRB400 bar materials are manufactured, a diameter of 20mm~28mm of bow member unit cage bar；The stirrup is by HRB335 steel
Muscle material or HRB400 bar materials are manufactured, a diameter of 10mm~14mm of stirrup；The angle cleat is by Q235 Steel material systems
Make.
The first preferred Tunnel Second Lining bow member unit implementation method of the invention：The quantity of the bow member unit cage bar
It it is three, three bow member unit cage bars collectively form the bow member unit framework that a section is equilateral triangle.
Second preferred Tunnel Second Lining bow member unit implementation method of the invention：The quantity of the bow member unit cage bar
It it is four, four bow member unit cage bars collectively form a section for foursquare bow member unit framework, two neighboring bow member list
The clear spacing of first cage bar is 350mm.
A kind of arch frame structure being made up of Tunnel Second Lining bow member unit, including several Tunnel Second Lining bow members
Unit, coordinates in the bolt hole of the angle cleat of two neighboring Tunnel Second Lining bow member unit and is provided with bolt and nut, owns
Tunnel Second Lining bow member unit connects into circular arc bow member sequentially through bolt and nut successively；The circular arc bow member outside
It is welded and fixed and is connected with several outer layer ring cage bars, the circular arc bow member inner side is welded and fixed and is connected with several inner layer rings
To cage bar；Several circular arc bow member parallel intervals constitute bow member component, all circular arc bow members of the bow member component side by side
Outside is connected by several outer layer genesis analysis muscle, and all outer layer genesis analysis muscle are corresponded to and each outer layer ring respectively
Cage bar is connected；All circular arc bow members inner side of the bow member component connects solid by several internal layer genesis analysis muscle
Fixed, all internal layer genesis analysis muscle correspond to be connected with each internal layer ring cage bar respectively.
Currently preferred arch frame structure technical scheme is：The outer layer genesis analysis muscle is with internal layer genesis analysis muscle one by one
It is correspondingly arranged, lacing wire is fixedly connected between the outer layer genesis analysis muscle and corresponding internal layer genesis analysis muscle.
The preferred technical scheme of arch frame structure of the present invention is：The outer layer ring cage bar and internal layer ring cage bar by
HRB335 bar materials or HRB400 bar materials are manufactured, and the outer layer ring cage bar is with the diameter of internal layer ring cage bar
25mm；The lacing wire is manufactured by HRB335 bar materials, and the diameter of the lacing wire is 6mm.
A kind of Tunnel Second Lining bow member unit constitutes the erection method of arch frame structure, and its method and step is as follows：
A, preparation Tunnel Second Lining bow member unit：The bow member unit cage bar of three equal lengths is arranged parallel to altogether
Be the bow member unit framework of equilateral triangle with section is constituted, the bow member unit framework along bow member unit framework length
Degree direction uniform intervals are fixedly connected with several stirrups, and the bow member unit framework is connected into bow member by each stirrup
Unit skeleton；Angle cleat is respectively fixedly connected with bow member unit skeleton two ends end, has been provided with each angle cleat up and down
Two bolts hole, you can obtain a Tunnel Second Lining bow member unit；
B, erection circular arc bow member：Several Tunnel Second Lining bow member units are sequentially connected and set up circular arch
Frame, coordinates in the bolt hole of the angle cleat of two neighboring Tunnel Second Lining bow member unit and is provided with bolt and nut, adjacent two
It is fixedly connected by the bolt and nut in angle cleat bolt hole between individual Tunnel Second Lining bow member unit, all tunnels two
Secondary lining cutting bow member unit connects into circular arc bow member, the circular shape of the circular arc bow member sequentially through bolt and nut successively
Round-shaped with tunnel vault matches；
C, on tunnel vault along length of tunnel direction several circular arc bow members are evenly arranged successively and constitute vault
Skeleton, each circular arc bow member outside is welded and fixed and is connected with several outer layer ring cage bars, the weldering of each circular arc bow member inner side
Connect and be fixedly connected with several internal layer ring cage bars；The vault skeleton outside is fixed with along length of tunnel direction uniform parallel
Several outer layer genesis analysis muscle, each outer layer genesis analysis muscle is corresponding with all circular arc bow members outside successively to be welded and fixed
(i.e. all outer layer genesis analysis muscle correspond to be connected with each outer layer ring cage bar on the outside of circular arc bow member respectively)；It is described
Vault skeleton inner side is fixed with several internal layer ring cage bars along length of tunnel direction uniform parallel, each internal layer ring cage bar
Successively with all circular arc bow members inner side it is corresponding be welded and fixed (i.e. all internal layer genesis analysis muscle respectively correspond to and circular arc bow member
Each internal layer ring cage bar of inner side is connected)；
Outer layer genesis analysis muscle and internal layer genesis analysis muscle in D, the vault skeleton are corresponded and set, the outer layer
Lacing wire is fixedly connected between genesis analysis muscle and corresponding internal layer genesis analysis muscle, and finally sets up arch frame structure.
A kind of Tunnel Second Lining bow member unit constitutes the erection method of arch frame structure, and its method and step is as follows：
A, preparation Tunnel Second Lining bow member unit：The bow member unit cage bar of four equal lengths is arranged parallel to altogether
Be foursquare bow member unit framework with section is constituted, the bow member unit framework along bow member unit framework length side
Several stirrups are fixedly connected with to uniform intervals, the bow member unit framework is connected into bow member unit by each stirrup
Skeleton；Angle cleat is respectively fixedly connected with bow member unit skeleton two ends end, upper and lower two have been provided with each angle cleat
Bolt hole, you can obtain a Tunnel Second Lining bow member unit；
B, erection circular arc bow member：Several Tunnel Second Lining bow member units are sequentially connected and set up circular arch
Frame, coordinates in the bolt hole of the angle cleat of two neighboring Tunnel Second Lining bow member unit and is provided with bolt and nut, adjacent two
It is fixedly connected by the bolt and nut in angle cleat bolt hole between individual Tunnel Second Lining bow member unit, all tunnels two
Secondary lining cutting bow member unit connects into circular arc bow member, the circular shape of the circular arc bow member sequentially through bolt and nut successively
Round-shaped with tunnel vault matches；
C, on tunnel vault along length of tunnel direction several circular arc bow members are evenly arranged successively and constitute vault
Skeleton, each circular arc bow member outside is welded and fixed and is connected with several outer layer ring cage bars, the weldering of each circular arc bow member inner side
Connect and be fixedly connected with several internal layer ring cage bars；The vault skeleton outside is fixed with along length of tunnel direction uniform parallel
Several outer layer genesis analysis muscle, each outer layer genesis analysis muscle is corresponding with all circular arc bow members outside successively to be welded and fixed
(i.e. all outer layer genesis analysis muscle correspond to be connected with each outer layer ring cage bar on the outside of circular arc bow member respectively)；It is described
Vault skeleton inner side is fixed with several internal layer ring cage bars along length of tunnel direction uniform parallel, each internal layer ring cage bar
Successively with all circular arc bow members inner side it is corresponding be welded and fixed (i.e. all internal layer genesis analysis muscle respectively correspond to and circular arc bow member
Each internal layer ring cage bar of inner side is connected)；
Outer layer genesis analysis muscle and internal layer genesis analysis muscle in D, the vault skeleton are corresponded and set, the outer layer
Lacing wire is fixedly connected between genesis analysis muscle and corresponding internal layer genesis analysis muscle, and finally sets up arch frame structure.
The present invention compared with the prior art, with advantages below and beneficial effect：
The position of secondary lining double layer bar can be accurately positioned by Tunnel Second Lining bow member unit of the invention, be protected
The thickness of concrete cover for demonstrate,proving double steel bar reaches design requirement, while it is possible to prevente effectively from splash guard is punctured rear secondary lining
The phenomenon for building percolating water occurs；In Tunnel Second Lining especially large cross-section tunnel secondary lining steel bar arrangement, can play
The effect of reinforcing bar rollover when preventing first circumferential reinforcement from laying, operating efficiency is substantially higher compared with conventional method, and applied value is bigger,
Operation difficulty is lower, and engineering practice is stronger, with good application prospect and promotional value.
Brief description of the drawings
Fig. 1 is the structural representation of Tunnel Second Lining bow member unit of the present invention；
Fig. 2 is the structure that two neighboring Tunnel Second Lining bow member unit is connected by angle cleat, bolt and nut
Schematic diagram；
Fig. 3 be Fig. 2 in A-A to sectional view；
Fig. 4 is the sectional view of B-B direction in Fig. 2；
Fig. 5 is the structural representation of arch frame structure of the present invention；
Fig. 6 for Fig. 5 C-C to sectional view.
Wherein, it is entitled corresponding to the reference in accompanying drawing：
1- bow member unit cage bars, 2- stirrups, 3- angle cleats, 4- bolts hole, 5- bolt and nuts, 6- outer layer rings
Cage bar, 7- internal layer ring cage bars, 8- outer layer genesis analysis muscle, 9- internal layer genesis analysis muscle, 10- lacing wires.
Specific embodiment
The present invention is described in further detail with reference to embodiment：
Embodiment one
As shown in Figure 1 to 4, a kind of Tunnel Second Lining bow member unit, including three bow member unit masters of equal length
Muscle 1, three bow member unit cage bars 1 collectively form the bow member unit framework that a section is equilateral triangle, the arch of the present embodiment
Frame unit cage bar 1 is manufactured by HRB335 bar materials or HRB400 bar materials, and a diameter of 20mm of bow member unit cage bar 1~
28mm.All bow member unit framework outsides are fixedly connected into bow member unit skeleton, bow member unit skeleton two by several stirrups 2
End end has been respectively fixedly connected with angle cleat 3, is provided with bolt hole 4 on angle cleat 3, the angle cleat 3 of the present embodiment by
Q235 Steel materials are manufactured.As shown in Figure 1 and Figure 2, stirrup 2 is arranged along the length direction uniform intervals outside bow member unit framework
Set；Stirrup 2 is manufactured by HRB335 bar materials or HRB400 bar materials, a diameter of 10mm~14mm of stirrup 2.
As shown in figure 3, being provided with two bolts hole 4 on angle cleat 3, coordinate in bolt hole 4 and bolt and nut 5 is installed；
Angle cleat 3 is fixedly connected with all ends of bow member unit cage bar 1.The length of angle cleat 3 of the present embodiment is equal or slightly larger than
The outer most edge width of all bow member unit cage bars 1 of homonymy.
As shown in figures 5 and 6, a kind of arch frame structure being made up of Tunnel Second Lining bow member unit, including several
Tunnel Second Lining bow member unit, coordinates peace in the bolt hole 4 of the angle cleat 3 of two neighboring Tunnel Second Lining bow member unit
Equipped with bolt and nut 5, all Tunnel Second Lining bow member units are spliced into circular arch sequentially through bolt and nut 5 successively
Frame；Circular arc bow member outside is welded and fixed and is connected with several outer layer ring cage bars 6, and circular arc bow member inner side is welded and fixed connection
There are several internal layer ring cage bars 7；Several circular arc bow member parallel intervals constitute bow member component side by side, bow member component it is all
Circular arc bow member outside be connected by several outer layer genesis analysis muscle 8, all outer layer genesis analysis muscle 8 respectively correspond to and
Each outer layer ring cage bar 6 is connected；All circular arc bow members inner side of bow member component passes through several internal layer genesis analysis
Muscle 9 is connected, and all internal layer genesis analysis muscle 9 correspond to be connected with each internal layer ring cage bar 7 respectively.
As shown in figures 5 and 6, outer layer genesis analysis muscle 8 is corresponded with internal layer genesis analysis muscle 9 and set, outer layer longitudinal direction
Lacing wire 10 is fixedly connected between distributing reinforcement 8 and corresponding internal layer genesis analysis muscle 9.
The outer layer ring cage bar 6 of the present embodiment is with internal layer ring cage bar 7 by HRB335 bar materials or HRB400 reinforcing bars
Material manufacture, outer layer ring cage bar 6 is 25mm with the diameter of internal layer ring cage bar 7；Lacing wire 10 is by HRB335 bar material systems
Make, the diameter of lacing wire 10 is 6mm.
A kind of Tunnel Second Lining bow member unit constitutes the erection method of arch frame structure, and its method and step is as follows：
A, preparation Tunnel Second Lining bow member unit：The bow member unit cage bar 1 of three equal lengths is arranged parallel to
Collectively form a section be equilateral triangle bow member unit framework, bow member unit framework along bow member unit framework length
Direction uniform intervals are fixedly connected with several stirrups 2, and bow member unit framework is connected into bow member unit by each stirrup 2
Skeleton；Angle cleat 3 is respectively fixedly connected with bow member unit skeleton two ends end, upper and lower two have been provided with each angle cleat 3
Individual bolt hole 4, you can obtain a Tunnel Second Lining bow member unit；
B, erection circular arc bow member：Several Tunnel Second Lining bow member units are sequentially connected and set up circular arch
Frame, coordinates in the bolt hole 4 of the angle cleat 3 of two neighboring Tunnel Second Lining bow member unit and is provided with bolt and nut 5, adjacent
It is fixedly connected by the bolt and nut 5 in the bolt hole 4 of angle cleat 3 between two Tunnel Second Lining bow member units, is owned
Tunnel Second Lining bow member unit connects into circular arc bow member, the circular arc of circular arc bow member sequentially through bolt and nut 5 successively
Shape matches with the round-shaped of tunnel vault；
C, on tunnel vault along length of tunnel direction several circular arc bow members are evenly arranged successively and constitute vault
Skeleton, each circular arc bow member outside is welded and fixed and is connected with several outer layer ring cage bars 6, the weldering of each circular arc bow member inner side
Connect and be fixedly connected with several internal layer ring cage bars 7；If vault skeleton outside is fixed with along length of tunnel direction uniform parallel
Dry outer layer genesis analysis muscle 8, each outer layer genesis analysis muscle 8 is corresponding with all circular arc bow members outside successively to be welded and fixed i.e.
All outer layer genesis analysis muscle 8 correspond to be connected with each outer layer ring cage bar 6 on the outside of circular arc bow member respectively；Vault bone
Frame inner side is fixed with several internal layer ring cage bars 7 along length of tunnel direction uniform parallel, and each internal layer ring cage bar 7 is successively
It is corresponding with all circular arc bow members inner side to be welded and fixed i.e. all internal layer genesis analysis muscle 9 corresponding and circular arc bow member inner side respectively
Each internal layer ring cage bar 7 be connected；
Outer layer genesis analysis muscle 8 in D, vault skeleton is corresponded with internal layer genesis analysis muscle 9 and set, and outer layer longitudinally divides
Lacing wire 10 is fixedly connected between cloth muscle 8 and corresponding internal layer genesis analysis muscle 9, and finally sets up arch frame structure.
The present invention is capable of achieving to be accurately positioned secondary lining outer layer circumferential reinforcement 6, internal layer circumferential reinforcement 7 and outer layer longitudinally divides
The purpose of cloth muscle 8 and internal layer genesis analysis muscle 9, it is ensured that concrete cover to reinforcement thickness meets design requirement, it is to avoid
Not enough and splash guard disrepair phenomenon the generation of circumferential reinforcement protective layer thickness caused by traditional distribution method, it is ensured that secondary lining
The mechanical behavior of reinforcing bar meets design requirement, improves the life-span of secondary lining, reduces the risk during tunnel is runed.
Embodiment two
As shown in Figure 1 to 4, a kind of Tunnel Second Lining bow member unit, including four bow member unit masters of equal length
Muscle 1, four bow member unit cage bars 1 collectively form a section for foursquare bow member unit framework, two neighboring bow member unit
The clear spacing of cage bar 1 is 350mm.All bow member unit framework outsides are fixedly connected into bow member unit bone by several stirrups 2
Frame, bow member unit skeleton two ends end has been respectively fixedly connected with angle cleat 3, and bolt hole 4 is provided with angle cleat 3.
As shown in Figure 1 and Figure 2, stirrup 2 is along the length direction uniform intervals spread configuration outside bow member unit framework.
As shown in figure 3, being provided with two bolts hole 4 on angle cleat 3, coordinate in bolt hole 4 and bolt and nut 5 is installed；
Angle cleat 3 is fixedly connected with all ends of bow member unit cage bar 1.The length of angle cleat 3 of the present embodiment is equal or slightly larger than
The outer most edge width of all bow member unit cage bars 1 of homonymy.
The bow member unit cage bar 1 of the present embodiment is manufactured by HRB335 bar materials or HRB400 bar materials, bow member unit
A diameter of 20mm~28mm of cage bar 1；Stirrup 2 is manufactured by HRB335 bar materials or HRB400 bar materials, the diameter of stirrup 2
It is 10mm~14mm；Angle cleat 3 is manufactured by Q235 Steel materials.
As shown in figures 5 and 6, a kind of arch frame structure being made up of Tunnel Second Lining bow member unit, including several
Tunnel Second Lining bow member unit, coordinates peace in the bolt hole 4 of the angle cleat 3 of two neighboring Tunnel Second Lining bow member unit
Equipped with bolt and nut 5, all Tunnel Second Lining bow member units are spliced into circular arch sequentially through bolt and nut 5 successively
Frame；Circular arc bow member outside is welded and fixed and is connected with several outer layer ring cage bars 6, and circular arc bow member inner side is welded and fixed connection
There are several internal layer ring cage bars 7；Several circular arc bow member parallel intervals constitute bow member component side by side, bow member component it is all
Circular arc bow member outside be connected by several outer layer genesis analysis muscle 8, all outer layer genesis analysis muscle 8 respectively correspond to and
Each outer layer ring cage bar 6 is connected；All outer layer genesis analysis muscle 8 correspond to pass through with each outer layer ring cage bar 6 respectively
Welding or improving bud grafting are connected.All outer layer genesis analysis muscle 8 are corresponded to each outer layer ring cage bar 6 by welding respectively
Or improving bud grafting is connected.All circular arc bow members inner side of bow member component is connected by several internal layer genesis analysis muscle 9
Fixed, all circular arc bow members inner side of bow member component passes through welding or improving bud grafting by several internal layer genesis analysis muscle 9
It is connected.All internal layer genesis analysis muscle 9 correspond to be connected with each internal layer ring cage bar 7 respectively, all internal layer longitudinal directions
Distributing reinforcement 9 is corresponded to be connected by welding or improving bud grafting with each internal layer ring cage bar 7 respectively.
As shown in figures 5 and 6, outer layer genesis analysis muscle 8 is corresponded with internal layer genesis analysis muscle 9 and set, outer layer longitudinal direction
Lacing wire 10 is fixedly connected between distributing reinforcement 8 and corresponding internal layer genesis analysis muscle 9.
The outer layer ring cage bar 6 of the present embodiment is with internal layer ring cage bar 7 by HRB335 bar materials or HRB400 reinforcing bars
Material manufacture, outer layer ring cage bar 6 is 25mm with the diameter of internal layer ring cage bar 7；Lacing wire 10 is by HRB335 bar material systems
Make, the diameter of lacing wire 10 is 6mm.
A kind of Tunnel Second Lining bow member unit constitutes the erection method of arch frame structure, and its method and step is as follows：
A, preparation Tunnel Second Lining bow member unit：The bow member unit cage bar 1 of four equal lengths is arranged parallel to
A section is collectively formed for foursquare bow member unit framework, bow member unit framework along bow member unit framework length direction
Uniform intervals are fixedly connected with several stirrups 2, and bow member unit framework is connected into bow member unit bone by each stirrup 2
Frame；Angle cleat 3 is respectively fixedly connected with bow member unit skeleton two ends end, upper and lower two have been provided with each angle cleat 3
Bolt hole 4, you can obtain a Tunnel Second Lining bow member unit；
B, erection circular arc bow member：Several Tunnel Second Lining bow member units are sequentially connected and set up circular arch
Frame, coordinates in the bolt hole 4 of the angle cleat 3 of two neighboring Tunnel Second Lining bow member unit and is provided with bolt and nut 5, adjacent
It is fixedly connected by the bolt and nut 5 in the bolt hole 4 of angle cleat 3 between two Tunnel Second Lining bow member units, is owned
Tunnel Second Lining bow member unit connects into circular arc bow member, the circular arc of circular arc bow member sequentially through bolt and nut 5 successively
Shape matches with the round-shaped of tunnel vault；
C, on tunnel vault along length of tunnel direction several circular arc bow members are evenly arranged successively and constitute vault
Skeleton, each circular arc bow member outside is welded and fixed and is connected with several outer layer ring cage bars 6, the weldering of each circular arc bow member inner side
Connect and be fixedly connected with several internal layer ring cage bars 7；If vault skeleton outside is fixed with along length of tunnel direction uniform parallel
Dry outer layer genesis analysis muscle 8, each outer layer genesis analysis muscle 8 is corresponding with all circular arc bow members outside successively to be welded and fixed i.e.
All outer layer genesis analysis muscle 8 correspond to be connected with each outer layer ring cage bar 6 on the outside of circular arc bow member respectively；Vault bone
Frame inner side is fixed with several internal layer ring cage bars 7 along length of tunnel direction uniform parallel, and each internal layer ring cage bar 7 is successively
It is corresponding with all circular arc bow members inner side to be welded and fixed i.e. all internal layer genesis analysis muscle 9 corresponding and circular arc bow member inner side respectively
Each internal layer ring cage bar 7 be connected；
Outer layer genesis analysis muscle 8 in D, vault skeleton is corresponded with internal layer genesis analysis muscle 9 and set, and outer layer longitudinally divides
Lacing wire 10 is fixedly connected between cloth muscle 8 and corresponding internal layer genesis analysis muscle 9, and finally sets up arch frame structure.
The present invention is capable of achieving to be accurately positioned secondary lining outer layer circumferential reinforcement 6, internal layer circumferential reinforcement 7 and outer layer longitudinally divides
The purpose of cloth muscle 8 and internal layer genesis analysis muscle 9, it is ensured that concrete cover to reinforcement thickness meets design requirement, it is to avoid
Not enough and splash guard disrepair phenomenon the generation of circumferential reinforcement protective layer thickness caused by traditional distribution method, it is ensured that secondary lining
The mechanical behavior of reinforcing bar meets design requirement, improves the life-span of secondary lining, reduces the risk during tunnel is runed.
Above-mentioned implementation method is a preferred embodiment of the present invention, is not for limiting implementation of the invention and power
Sharp scope, equivalence changes and approximate replacement that all contents according to described in the present patent application scope of patent protection are made all should
It is within the scope of the present invention.
Claims (10)
1. a kind of Tunnel Second Lining bow member unit, it is characterised in that：Bow member unit cage bar including at least three equal lengths
（1）, all bow member unit framework outsides pass through several stirrups（2）It is fixedly connected into bow member unit skeleton, the bow member unit
Skeleton two ends end has been respectively fixedly connected with angle cleat（3）, the angle cleat（3）On be provided with bolt hole（4）.
2. according to the Tunnel Second Lining bow member unit described in claim 1, it is characterised in that：The stirrup（2）Along bow member
Length direction uniform intervals spread configuration outside unit framework.
3. according to the Tunnel Second Lining bow member unit described in claim 2, it is characterised in that：The angle cleat（3）On open
There are two bolts hole（4）, in bolt hole（4）Middle cooperation is provided with bolt and nut（5）.
4. according to the Tunnel Second Lining bow member unit described in claim 3, it is characterised in that：The bow member unit cage bar（1）
Manufactured by HRB335 bar materials or HRB400 bar materials, bow member unit cage bar（1）A diameter of 20mm~28mm；The hoop
Muscle（2）Manufactured by HRB335 bar materials or HRB400 bar materials, stirrup（2）A diameter of 10mm~14mm；The connection
Angle steel（3）Manufactured by Q235 Steel materials.
5. according to the Tunnel Second Lining bow member unit described in claim 4, it is characterised in that：The bow member unit cage bar（1）
Quantity be three, three bow member unit cage bars（1）Collectively form the bow member unit framework that a section is equilateral triangle.
6. according to the Tunnel Second Lining bow member unit described in claim 4, it is characterised in that：The bow member unit cage bar（1）
Quantity be four, four bow member unit cage bars（1）A section is collectively formed for foursquare bow member unit framework, adjacent two
Individual bow member unit cage bar（1）Clear spacing be 350mm.
7. the arch frame structure that a kind of Tunnel Second Lining bow member unit described in any one of claim 1~6 is constituted, it is special
Levy and be：Including several Tunnel Second Lining bow member units, the angle cleat of two neighboring Tunnel Second Lining bow member unit
（3）Bolt hole（4）Middle cooperation is provided with bolt and nut（5）, all Tunnel Second Lining bow member units successively sequentially through
Bolt and nut（5）Connect into circular arc bow member；The circular arc bow member outside is welded and fixed and is connected with several outer layers ring master
Muscle（6）, the circular arc bow member inner side is welded and fixed and is connected with several internal layer ring cage bars（7）；Several circular arc bow members
Parallel interval constitutes bow member component side by side, and all circular arc bow members outside of the bow member component is longitudinally divided by several outer layers
Cloth muscle（8）It is connected, all outer layer genesis analysis muscle（8）Correspond to and each outer layer ring cage bar respectively（6）It is connected；Institute
All circular arc bow members inner side of bow member component is stated by several internal layer genesis analysis muscle（9）It is connected, all internal layers are indulged
To distributing reinforcement（9）Correspond to and each internal layer ring cage bar respectively（7）It is connected.
8. according to the arch frame structure described in claim 7, it is characterised in that：The outer layer genesis analysis muscle（8）With internal layer longitudinal direction
Distributing reinforcement（9）Correspond and set, the outer layer genesis analysis muscle（8）With corresponding internal layer genesis analysis muscle（9）Between it is solid
Surely it is connected with lacing wire（10）；The outer layer ring cage bar（6）With internal layer ring cage bar（7）By HRB335 bar materials or
HRB400 bar materials are manufactured, the outer layer ring cage bar（6）With internal layer ring cage bar（7）Diameter be 25mm；The drawing
Muscle（10）Manufactured by HRB335 bar materials, the lacing wire（10）Diameter be 6mm.
9. the erection method of the arch frame structure that a kind of Tunnel Second Lining bow member unit by described in claim 5 is constituted, its
It is characterised by：Its method and step is as follows：
A, preparation Tunnel Second Lining bow member unit：By three bow member unit cage bars of equal length（1）It is arranged parallel to altogether
Be the bow member unit framework of equilateral triangle with section is constituted, the bow member unit framework along bow member unit framework length
Degree direction uniform intervals are fixedly connected with several stirrups（2）, the bow member unit framework is by each stirrup（2）It is connected
Into bow member unit skeleton；Angle cleat has been respectively fixedly connected with bow member unit skeleton two ends end（3）, each angle cleat
（3）On be provided with upper and lower two bolts hole（4）, you can obtain a Tunnel Second Lining bow member unit；
B, erection circular arc bow member：Several Tunnel Second Lining bow member units are sequentially connected and circular arc bow member is set up,
The angle cleat of two neighboring Tunnel Second Lining bow member unit（3）Bolt hole（4）Middle cooperation is provided with bolt and nut（5）,
By in angle cleat between two neighboring Tunnel Second Lining bow member unit（3）Bolt hole（4）In bolt and nut（5）It is fixed
Connection, all Tunnel Second Lining bow member units are successively sequentially through bolt and nut（5）Connect into circular arc bow member, the circle
The circular shape of row's arc bow members matches with the round-shaped of tunnel vault；
C, on tunnel vault along length of tunnel direction several circular arc bow members are evenly arranged successively and constitute vault skeleton,
Each circular arc bow member outside is welded and fixed and is connected with several outer layer ring cage bars（6）, the welding of each circular arc bow member inner side
It is fixedly connected with several internal layer ring cage bars（7）；The vault skeleton outside is fixed along length of tunnel direction uniform parallel
There are several outer layer genesis analysis muscle（8）, each outer layer genesis analysis muscle（8）Weldering corresponding with all circular arc bow members outside successively
Connect fixation；The vault skeleton inner side is fixed with several internal layer ring cage bars along length of tunnel direction uniform parallel（7）, often
Individual internal layer ring cage bar（7）It is corresponding with all circular arc bow members inner side successively to be welded and fixed；
Outer layer genesis analysis muscle in D, the vault skeleton（8）With internal layer genesis analysis muscle（9）Correspond and set, it is described outer
Layer genesis analysis muscle（8）With corresponding internal layer genesis analysis muscle（9）Between be fixedly connected with lacing wire（10）.
10. the erection method of the arch frame structure that a kind of Tunnel Second Lining bow member unit by described in claim 6 is constituted, its
It is characterised by：Its method and step is as follows：
A, preparation Tunnel Second Lining bow member unit：By four bow member unit cage bars of equal length（1）It is arranged parallel to altogether
Be foursquare bow member unit framework with section is constituted, the bow member unit framework along bow member unit framework length side
Several stirrups are fixedly connected with to uniform intervals（2）, the bow member unit framework is by each stirrup（2）Be connected arching
Frame unit skeleton；Angle cleat has been respectively fixedly connected with bow member unit skeleton two ends end（3）, each angle cleat（3）On
It is provided with upper and lower two bolts hole（4）, you can obtain a Tunnel Second Lining bow member unit；
B, erection circular arc bow member：Several Tunnel Second Lining bow member units are sequentially connected and circular arc bow member is set up,
The angle cleat of two neighboring Tunnel Second Lining bow member unit（3）Bolt hole（4）Middle cooperation is provided with bolt and nut（5）,
By in angle cleat between two neighboring Tunnel Second Lining bow member unit（3）Bolt hole（4）In bolt and nut（5）It is fixed
Connection, all Tunnel Second Lining bow member units are successively sequentially through bolt and nut（5）Connect into circular arc bow member, the circle
The circular shape of row's arc bow members matches with the round-shaped of tunnel vault；
C, on tunnel vault along length of tunnel direction several circular arc bow members are evenly arranged successively and constitute vault skeleton,
Each circular arc bow member outside is welded and fixed and is connected with several outer layer ring cage bars（6）, the welding of each circular arc bow member inner side
It is fixedly connected with several internal layer ring cage bars（7）；The vault skeleton outside is fixed along length of tunnel direction uniform parallel
There are several outer layer genesis analysis muscle（8）, each outer layer genesis analysis muscle（8）Weldering corresponding with all circular arc bow members outside successively
Connect fixation；The vault skeleton inner side is fixed with several internal layer ring cage bars along length of tunnel direction uniform parallel（7）, often
Individual internal layer ring cage bar（7）It is corresponding with all circular arc bow members inner side successively to be welded and fixed；
Outer layer genesis analysis muscle in D, the vault skeleton（8）With internal layer genesis analysis muscle（9）Correspond and set, it is described outer
Layer genesis analysis muscle（8）With corresponding internal layer genesis analysis muscle（9）Between be fixedly connected with lacing wire（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090961.XA CN106761838B (en) | 2017-02-20 | 2017-02-20 | Tunnel Second Lining arch unit and its arch frame structure and erection method constituted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090961.XA CN106761838B (en) | 2017-02-20 | 2017-02-20 | Tunnel Second Lining arch unit and its arch frame structure and erection method constituted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761838A true CN106761838A (en) | 2017-05-31 |
| CN106761838B CN106761838B (en) | 2019-05-21 |
Family
ID=58957805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710090961.XA Active CN106761838B (en) | 2017-02-20 | 2017-02-20 | Tunnel Second Lining arch unit and its arch frame structure and erection method constituted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761838B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915176A (en) * | 2019-03-29 | 2019-06-21 | 中国铁建重工集团有限公司 | A kind of tunnel support arch frame manufacturing system and production method |
| CN110700856A (en) * | 2019-09-10 | 2020-01-17 | 甘肃路桥建设集团有限公司 | Tunnel secondary lining steel bar protective layer control construction method |
| CN113015843A (en) * | 2018-11-22 | 2021-06-22 | 奥菲奇内·马卡费里股份公司 | Support rib for foundation pit and method for producing support structure in foundation pit |
| CN113565539A (en) * | 2021-07-29 | 2021-10-29 | 中铁隧道集团一处有限公司 | Construction method for preventing initial support side from rebounding of cantilever type cast-in-place side wall of tunnel |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5037453B2 (en) * | 2007-12-19 | 2012-09-26 | 佐藤工業株式会社 | Lined concrete structure and its construction method |
| CN104061004A (en) * | 2014-07-10 | 2014-09-24 | 招商局重庆交通科研设计院有限公司 | Steel bar construction for secondary lining of tunnel |
| CN104632253A (en) * | 2014-12-31 | 2015-05-20 | 中铁大桥局集团第四工程有限公司 | Positioning device for tunnel lining construction and construction method |
| CN204941565U (en) * | 2015-07-08 | 2016-01-06 | 山西省交通科学研究院 | A kind of novel tunnel inverted arch structure |
| CN204941577U (en) * | 2015-06-15 | 2016-01-06 | 山西省交通科学研究院 | A kind of Highway Tunnel in Loess preliminary bracing bow member unit and the steelframe formed |
| CN205778933U (en) * | 2016-05-23 | 2016-12-07 | 山西省交通科学研究院 | A kind of Tunnel shaped steel arch attachment means |
| CN206503605U (en) * | 2017-02-20 | 2017-09-19 | 长安大学 | Tunnel Second Lining bow member unit and its arch frame structure constituted |
-
2017
- 2017-02-20 CN CN201710090961.XA patent/CN106761838B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5037453B2 (en) * | 2007-12-19 | 2012-09-26 | 佐藤工業株式会社 | Lined concrete structure and its construction method |
| CN104061004A (en) * | 2014-07-10 | 2014-09-24 | 招商局重庆交通科研设计院有限公司 | Steel bar construction for secondary lining of tunnel |
| CN104632253A (en) * | 2014-12-31 | 2015-05-20 | 中铁大桥局集团第四工程有限公司 | Positioning device for tunnel lining construction and construction method |
| CN204941577U (en) * | 2015-06-15 | 2016-01-06 | 山西省交通科学研究院 | A kind of Highway Tunnel in Loess preliminary bracing bow member unit and the steelframe formed |
| CN204941565U (en) * | 2015-07-08 | 2016-01-06 | 山西省交通科学研究院 | A kind of novel tunnel inverted arch structure |
| CN205778933U (en) * | 2016-05-23 | 2016-12-07 | 山西省交通科学研究院 | A kind of Tunnel shaped steel arch attachment means |
| CN206503605U (en) * | 2017-02-20 | 2017-09-19 | 长安大学 | Tunnel Second Lining bow member unit and its arch frame structure constituted |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015843A (en) * | 2018-11-22 | 2021-06-22 | 奥菲奇内·马卡费里股份公司 | Support rib for foundation pit and method for producing support structure in foundation pit |
| CN109915176A (en) * | 2019-03-29 | 2019-06-21 | 中国铁建重工集团有限公司 | A kind of tunnel support arch frame manufacturing system and production method |
| CN110700856A (en) * | 2019-09-10 | 2020-01-17 | 甘肃路桥建设集团有限公司 | Tunnel secondary lining steel bar protective layer control construction method |
| CN110700856B (en) * | 2019-09-10 | 2022-02-25 | 甘肃路桥建设集团有限公司 | Tunnel secondary lining steel bar protective layer control construction method |
| CN113565539A (en) * | 2021-07-29 | 2021-10-29 | 中铁隧道集团一处有限公司 | Construction method for preventing initial support side from rebounding of cantilever type cast-in-place side wall of tunnel |
| CN113565539B (en) * | 2021-07-29 | 2023-12-15 | 中铁隧道集团一处有限公司 | Construction method for preventing primary support side rebound of tunnel cantilever type cast-in-situ side wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761838B (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206503605U (en) | Tunnel Second Lining bow member unit and its arch frame structure constituted | |
| CN106761838A (en) | Tunnel Second Lining bow member unit and its arch frame structure and erection method that are constituted | |
| CN105133548B (en) | Earth and Rockfill Dam top high anti-seismic structure and its construction method | |
| WO2016041291A1 (en) | Method for the manufacture of a tubular steel pillar having a reinforcing internal wall structure | |
| CN1120923C (en) | A composite beam | |
| CN105756365B (en) | A kind of method of rapid reinforcement beams of concrete | |
| JP6552658B1 (en) | Underground structure and construction method of underground structure | |
| CN111022086B (en) | Single-layer arch frame for roadway engineering support and rapid support method thereof | |
| WO2015011777A1 (en) | Composite pile | |
| CN205577260U (en) | Concrete column | |
| CN107035067A (en) | Variable cross-section structure of stiffened beam and construction method thereof | |
| CN104652430A (en) | Composite reinforcement partially prestressed concrete solid square pile and manufacturing method thereof | |
| CN206903061U (en) | Variable cross-section structure of stiff beam | |
| CN103541438B (en) | A kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and additional thin-wall circular steel pipe reinforcement structure and preparation method | |
| CN206487168U (en) | A kind of rowlock wall bracing means | |
| CN209261310U (en) | The concrete prefabricated assembly combined storehouse of Contiuum type | |
| CN105569190B (en) | The connecting node and its construction method of steel core concrete column and reinforced beam | |
| CN107237453A (en) | A kind of concrete filled steel tube coupled column | |
| CN106978524B (en) | Spherical tank is heat-treated insulation blanket installation method | |
| CN206111215U (en) | Be used for big section weak surrounding rock tunnel construction supporting construction | |
| CN209941518U (en) | Combined reinforcing structure for repairing cracks of steel bridge deck slab and steel bridge deck slab system | |
| CN212641208U (en) | Partial cable-stayed bridge wire separating pipe cable saddle with filler in wire separating pipe gap | |
| CN210637089U (en) | Novel pipe shed structure | |
| CN207934042U (en) | The connection structure that pattern foundation pit supporting structure tubular pillar is connect with supporting beam | |
| CN109267803A (en) | The concrete prefabricated assembly combined storehouse of Contiuum type and method of construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |