CN107829750B - A kind of rail road and section shield constructing structure and method simultaneously against the wind - Google Patents
A kind of rail road and section shield constructing structure and method simultaneously against the wind Download PDFInfo
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- CN107829750B CN107829750B CN201710886888.7A CN201710886888A CN107829750B CN 107829750 B CN107829750 B CN 107829750B CN 201710886888 A CN201710886888 A CN 201710886888A CN 107829750 B CN107829750 B CN 107829750B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 claims description 5
- 241000502073 Tripterospermum Species 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229910000746 Structural steel Inorganic materials 0.000 claims 1
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 238000009416 shuttering Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of rail road and section shield synchronous construction structure and methods against the wind, and the synchronous construction structure includes support system, side wall bottom plate drawknot device, template system and concrete casting device；Pouring hole is reserved on plate in the structure, facilitate rail road concreting against the wind, box, which is poured, using fork truck, hopper, square concrete solves the problems, such as concreting, road frame body wears Screw arbor with nut at both-ends drawknot using pouring hole to rail against the wind and setting diagonal brace reinforcement means solves the big instability problem of gate-type frame span, so that the double battery trucks in shield section are run simultaneously, guarantee section shield duration node.By above technical scheme, which guarantees that section shield with rail road synchronous construction against the wind, and solves the problems, such as concreting difficulty, can be widely applied to subway station rail road construction field against the wind.
Description
Technical field
This is the present invention relates to a kind of constructing structure and method, and specially a kind of rail against the wind construct knot simultaneously by road and section shield
Structure and method belong to underground railway track technical field of construction.
Background technique
As the development of infrastructure construction in china is especially in track traffic infrastructure, station rail against the wind construct by road
It is more and more extensive.How to solve projecting structural concrete and pour difficulty, and road shuttering supporting sets up obstruction battery truck fortune to rail against the wind
Row and influence section shield-tunneling construction, become the can not be ignored the problem of of station rail against the wind in road construction, especially in face of wanting
It asks station, section shield while meeting under the big situation of construction node, not only to guarantee that road smooth construction will meet well rail against the wind
Shield double battery trucks in section operate normally, and also to shorten the construction period as far as possible, and ad hoc this trocar of meter is to the subway station rail area Dao Yu against the wind
Between shield simultaneously construct method.
Train marshalling list is generally up to more than 50 rice, runs on the bottom plate of station, is placed exactly in rail against the wind under road design position
Side, influencing rail, road is constructed against the wind, and traditional technical solution is generally used sets up full hall frame construction rail against the wind again after tunnel holing through
The advantages of arrangement and method for construction in road, the technical solution is that road construction is not interfere with each other against the wind for shield and rail, easy for construction, the disadvantage is that the duration
Too long, the shield-tunneling construction duration is generally 4-6 months, and road at least needs can just apply for 1-2 months to construction rail against the wind after shield perforation
Frame body is completed and removed to work, that is, needs just to can be carried out for 5-8 months underground railway track in station and be laid with, take a long time, it is difficult to meet just
The normal construction time requires.Therefore, propose that road and section shield constructing structure and are applied simultaneously against the wind for a kind of rail regarding to the issue above
Work method.
Summary of the invention
The present invention is to solve projecting structural concrete and pour difficulty, and road shuttering supporting sets up obstruction storage battery to rail against the wind
Vehicle runs and influences section shield-tunneling construction, provides a kind of subway station rail road and section shield constructing structure and side simultaneously against the wind
Method.
A kind of rail of present invention method that road and section shield are constructed simultaneously against the wind is realized using following technology: in structure
Plate corresponds to rail when constructing road side wall, bottom plate reserve pouring hole against the wind, and the later period transports concrete match ratio square concrete using fork truck
It pours box and completes concreting；Road shuttering supporting uses gate-type frame to rail against the wind, guarantees battery truck normal operation and shield-tunneling construction；
Pouring hole is arranged Screw arbor with nut at both-ends and adds diagonal brace supporting rail road template against the wind, solves the problems, such as to support stress at gate-type frame aperture hole.
Road is located under middle plate and belongs to narrow tube structure rail against the wind, and the small concrete in operating space is difficult to be transported to designated position,
For plate construction advance reservation rail road concrete pouring hole against the wind in the case structure, using fork truck, hopper, rectangular mixed on middle plate
Solidifying soil pours box and completes concrete transhipment.
φ 28mm Screw arbor with nut at both-ends is worn under reserved pouring hole and butterfly buckles and holds welding φ 28mm reinforcing bar at T-shaped, middle plate top surface
It digs out structure reinforcing bars and Screw arbor with nut at both-ends is welded and fixed with T steel muscle, road side wall is horizontal against the wind and baseplate reinforcing bar welds with rail for Screw arbor with nut at both-ends
Connect, doing rail, road vertical reinforcement guarantees stress against the wind, and Tripterospermum affine button and double nut are arranged under Screw arbor with nut at both-ends, guarantee template drawknot by
Power.
To guarantee section shield, with rail, road is constructed simultaneously against the wind, using gantry type the rim of a bowl frame, reserves 3500mm among frame body
The hole × 4500mm guarantees that double battery trucks are current；Two sides are using spacing 600mm × 600mm in length and breadth, step pitch 1200mm the rim of a bowl frame, hole
It is uniformly three steel pipe horizon bars that spacing is arranged on mouth, and horizon bar is simultaneously withstood side wall, the other side by frame body side setting double-row type
Three row's formulas are set and guarantee that upper operating space is not less than 1400mm, and outside setting is not less than 1100mm guard rail, guarantees frame
Body safety, sets up dismounting effect at operating space.
The rail wide 4500mm in road gate-type frame hole against the wind wears drawknot Screw arbor with nut at both-ends horizontal spacing 1800mm, longitudinal direction under preformed hole
Spacing 1200mm, the larger template of branch tie distance, flitch, pipe deformation are unable to satisfy requirement, laterally reserve drawknot for the situation
Pore cross section, setting twice diagonal brace are located at rail road side wall and the reserved casting centerline hole of middle plate against the wind；It is laterally disconnected without drawknot hole is reserved
Four diagonal braces are arranged in face, are located at two sides upright bar to rail against the wind road middle line trisection line, guarantee stress equalization.
Side wall high 1230mm concreting pressure in road is larger against the wind for rail, pours in two times for the situation concreting
It builds, first pours underplate concrete, to pre-hardening post-reinforcing side wall after-pouring remainder, guarantee template and frame body stability.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can achieve following has
Beneficial effect:
1, apparatus of the present invention are simple and practical, easy to operate, simplify working procedure, save the duration, while safe and reliable, can be real
Shi Xingqiang；
2, achievable station rail against the wind construct simultaneously without interfering with each other by road and shield driving, and shield can be transported using biserial
The normal driving of marshalling, while rail does not need repeatedly to set up and remove frame body in road work progress against the wind, and reduces repetition and take
And if removing the security risk that may collide frame body in frame body link with train operation in door opening.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is a kind of overall structure diagram of rail of present invention road and section shield constructing structure simultaneously against the wind；
Fig. 2 is the cross-sectional view of Section A-A in Fig. 1；
Fig. 3 is the cross-sectional view of section B-B in Fig. 1；
Fig. 4 is Screw arbor with nut at both-ends and butterfly buckle structure schematic diagram；
Fig. 5 is that square concrete pours box structure schematic diagram；
In figure: 1- Screw arbor with nut at both-ends and butterfly button, plate reserves plug hole in 2-, plate and rail road structure reinforcing bars against the wind, 4- in 3-
Side wall reinforces Screw arbor with nut at both-ends and butterfly button, 5- side wall bottom plate plank sheathing, 6- side wall bottom plate secondary joist flitch, 7- bottom plate main joist pair
Spell steel pipe, 8- bottom plate side wall jacking, 9- frame body steel pipe diagonal brace, 10- gantry type the rim of a bowl frame, the battery truck of 11- shield and track, 12-
Square concrete pours box, 1-1- round bar, 1-2- Screw arbor with nut at both-ends, 1-3- butterfly button, 1-4- nut, 12-1- thickness plank sheathing,
12-2- flitch.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.It should be appreciated that described herein
The specific embodiments are only for explaining the present invention, is not intended to limit the present invention.In addition, each implementation of invention described below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in mode.
As shown in Figure 1, for the overall structure diagram in a kind of rail of the present invention road and section shield synchronous construction structure against the wind,
Fig. 2 and Fig. 3 is respectively the schematic diagram of A-A in Fig. 1, section B-B, which includes support system, side wall bottom plate drawknot dress
It sets, template system, concrete casting device, when plate starts construction in structure, the in-orbit both walls of road against the wind and bottom plate middle line are reserved
Plate reserves plug hole 2 in three rows, facilitates rail road concreting against the wind, and pass Screw arbor with nut at both-ends 1 and setting frame using reserving hole
Body steel pipe diagonal brace 9 sets up gate type support frame, guarantees that section shield with rail construct simultaneously against the wind by road, is suitable for subway station rail against the wind
Road construction.
As a kind of technical optimization scheme of the invention, the middle plate reserves the PVC that the diameter of plug hole 2 is φ 150mm
Hole, the in-orbit both walls of road against the wind and bottom plate middle line reserve three rows, and spacing 1200mm, hole size and spacing are poured by concrete
It builds, vibrate, template drawknot, later period closure setting.
As a kind of technical optimization scheme of the invention, the square concrete pours box 12 and uses 18mm thickness plank sheathing
It is 1000mm × 1000mm box that 12-1, which is assembled into length and width dimensions, and outside is reinforced using 100mm × 100mm lumps of wood 12-2, is used
In fork truck and hopper in plate transport concrete to square box, guarantee that concrete plate in reserves plug hole 2 and flow to rail road against the wind
Side wall and bottom plate are illustrated in figure 5 square concrete and pour box structure schematic diagram.
As a kind of technical optimization scheme of the invention, the nominal dimension of the Screw arbor with nut at both-ends and butterfly button 1 is φ 28mm,
The round bar 1-1 that upper end welding outer diameter is φ 28mm makes overall structure T shape, and middle plate top surface digs out structure reinforcing bars with T shape
Reinforcement welding fixes Screw arbor with nut at both-ends 1-2, and road side wall is horizontal against the wind and baseplate reinforcing bar welds with rail by Screw arbor with nut at both-ends 1-2, sets in lower end
Tripterospermum affine button 1-3 and double nut 1-4 is set, guarantees template drawknot stress, is illustrated in figure 4 Screw arbor with nut at both-ends and the signal of butterfly buckle structure
Figure.
As a kind of technical optimization scheme of the invention, the size of the bottom plate main joist Two bors d's oeuveres steel pipe Two bors d's oeuveres steel pipe 7 is
48 × 3.6mm of φ, transverse direction steel pipe in road is used elongated and is shelved on the frame body of two sides rail against the wind, and middle plate, which is reserved, to be worn under plug hole 2 to drawing
Set Two bors d's oeuveres steel pipe on screw rod 1-2, coupling need to weld integral and be located at rail against the wind under road transverse direction steel pipe, no Screw arbor with nut at both-ends 1-
Steel pipe is limited using fastener in length and breadth at 2.
As a kind of technical optimization scheme of the invention, the frame body steel pipe diagonal brace 9 has laterally reserved drawknot pore cross section, if
It sets twice diagonal brace and is located at rail road side wall and reserved 2 center line of plug hole of middle plate against the wind, laterally without reserved drawknot pore cross section, setting four
Road diagonal brace is located at two sides upright bar to rail against the wind road middle line trisection line, guarantees whole stress equalization.
As a kind of technical optimization scheme of the invention, gantry type the rim of a bowl frame 10 is located near hole, hole two sides
Spacing is 600mm × 600mm to frame body in length and breadth, and the step pitch apart from hole is 1200mm, and by detailing requiments setting bridging and is indulged
Horizontal rod etc., it is reserved having a size of the hole 3500mm × 4500mm among gantry type the rim of a bowl frame 10 frame body, between being arranged on hole
Away from uniform three horizon bar, double-row type is arranged in frame body side, and horizon bar is withstood side wall, and three row's formulas are arranged in the other side, protect
It demonstrate,proves upper operating space and is not less than 1400mm, and outside setting is not less than 1100mm guard rail.
The constructing structure construction when, mainly include the following steps that realize rail against the wind road with section shield while apply
Work:
A. gate-type the rim of a bowl frame 10,10 top mounting base side wall jacking of gate-type the rim of a bowl frame are set up according to live storage battery truck position
8, and Tripterospermum affine button 1-3 and nut 1-4 is installed in the lower end Screw arbor with nut at both-ends 1-2, then template main joist Two bors d's oeuveres steel pipe 7 is mounted on bottom
On plate side wall jacking 8 and butterfly button 1-3, according to the position of rail top air channel base plate side wall jacking 8 and Screw arbor with nut at both-ends 1-2 top nut 1-4
It sets, presses drawing size mounting rail the secondary joist flitch 6 of road bed die and side form, side wall bottom plate plank sheathing 5 against the wind, in-orbit road against the wind afterwards
The lower installation frame body steel pipe diagonal brace 9 of bottom plate main joist Two bors d's oeuveres steel pipe 7 and bottom plate side wall jacking 8, and tied up on side wall bottom plate plank sheathing 5
Rail road structure reinforcing bars 3 against the wind are pricked, road structure reinforcing bars 3 and Screw arbor with nut at both-ends 1-2 welding is integral against the wind by rail；
B. concrete is transported using fork truck, hopper on plate in the structure, until middle plate is reserved at plug hole 2, and pre- in middle plate
It stays and box 12 is poured using the thickness plank sheathing 12-1 and flitch 12-2 square concrete that nails on plug hole 2, progress rail is against the wind
Road underplate concrete pours；
C. after underplate concrete initial set, retaining rail road side wall bottom plate plank sheathing 5, bottom plate secondary joist wood against the wind are successively installed
Side 6, main joist Two bors d's oeuveres steel pipe 7, and it is fixed using side wall reinforcing Screw arbor with nut at both-ends and butterfly button 4, it is mixed that side wall is poured with the above method
It coagulates soil and leaves a blank in advance；
D. side wall bottom plate plank sheathing 5 and 10 frame body of gantry type the rim of a bowl frame are removed after road reaches design requirement against the wind after rail, together
Step cuts off Screw arbor with nut at both-ends 1-2, complete material cleaning.
Pass through the above construction procedure, so that it may realizing station rail, road and shield driving without interfering with each other while being constructed against the wind,
Shield can be using the normal driving of biserial transport marshalling, while rail does not need repeatedly to set up and remove in road work progress against the wind
Frame body, it is simple and practical, it is easy to operate, simplify working procedure, saves the duration.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of rail road and section shield synchronous construction structure, including Screw arbor with nut at both-ends and the reserved casting of butterfly button (1), middle plate against the wind
Road structure reinforcing bars (3), side wall reinforce Screw arbor with nut at both-ends and butterfly button (4), side wall bottom plate plank sheathing against the wind for hole (2), middle plate and rail
(5), side wall bottom plate secondary joist flitch (6), bottom plate main joist Two bors d's oeuveres steel pipe (7), bottom plate side wall jacking (8), frame body steel pipe diagonal brace
(9), gantry type the rim of a bowl frame (10), shield battery truck and track (11) and square concrete pour box (12), it is characterised in that: institute
It states middle plate reserved plug hole (2) and facilitates rail road concreting against the wind, and Screw arbor with nut at both-ends and butterfly button (1) are pierced using preformed hole
Gate type support frame is set up with setting frame body steel pipe diagonal brace (9), guarantees that section shield with rail construct simultaneously against the wind by road, is suitable for subway
Station rail against the wind construct by road.
2. a kind of rail according to claim 1 road and section shield synchronous construction structure against the wind, it is characterised in that: in described
It is the hole PVC that diameter is φ 150mm that plate, which reserves plug hole (2), and the in-orbit both walls of road against the wind and bottom plate middle line reserve three rows, spacing
For 1200mm, hole size and spacing by concreting, vibrate, template drawknot, later period block setting.
3. a kind of rail according to claim 1 road and section shield synchronous construction structure against the wind, it is characterised in that: the side
Shape concreting box (12) is assembled into 1000mm × 1000mm box using 18mm thickness plank sheathing (12-1), and outside uses
100mm × 100mm lumps of wood (12-2) is reinforced, and using in plate transport concrete to square box in fork truck and hopper, guarantees coagulation
Soil reserves plug hole (2) along middle plate and flow to rail road side wall and bottom plate against the wind.
4. a kind of rail according to claim 1 road and section shield synchronous construction structure against the wind, it is characterised in that: described right
Drawing the nominal dimension of screw rod and butterfly button (1) is 28mm, and the round bar (1-1) that upper end welding outer diameter is φ 28mm is at T-shaped,
Middle plate top surface is dug out structure reinforcing bars and is welded and fixed Screw arbor with nut at both-ends (1-2) with T steel muscle, and Screw arbor with nut at both-ends (1-2) is the same as rail road side against the wind
Wall is horizontal and baseplate reinforcing bar welds, and in lower end setting Tripterospermum affine button (1-3) and double nut (1-4), guarantees template drawknot stress.
5. a kind of rail according to claim 1 road and section shield synchronous construction structure against the wind, it is characterised in that: the bottom
The size of plate main joist Two bors d's oeuveres steel pipe (7) is 48 × 3.6mm of φ, and transverse direction steel pipe in road need to use elongated and shelve side frames rail against the wind
On body, middle plate, which is reserved to wear under plug hole (2), sets Two bors d's oeuveres steel pipe on Screw arbor with nut at both-ends (1-2), coupling need to weld integral and position
Under rail against the wind road transverse direction steel pipe, steel pipe is limited using fastener in length and breadth at no Screw arbor with nut at both-ends (1-2).
6. a kind of rail according to claim 1 road and section shield synchronous construction structure against the wind, it is characterised in that: the frame
Body steel pipe diagonal brace (9) has laterally reserved drawknot pore cross section, and setting twice diagonal brace is located at rail road side wall and the reserved casting of middle plate against the wind
Four diagonal braces are arranged laterally without drawknot pore cross section is reserved in hole (2) center line, and being located at two sides upright bar, road middle line is third against the wind to rail
At separated time, guarantee whole stress equalization.
7. a kind of rail according to claim 1 road and section shield synchronous construction structure against the wind, it is characterised in that: the door
Posture the rim of a bowl frame (10) is located near hole, and spacing is 600mm × 600mm, the step pitch apart from hole to hole two sides frame body in length and breadth
For 1200mm, and by detailing requiments setting bridging and vertically and horizontally horizon bar, ruler is reserved among gantry type the rim of a bowl frame (10) frame body
Very little is the hole 3500 × 4500mm, is arranged uniform three horizon bar of spacing on hole, and frame body side is arranged double-row type, and by water
Flat bar withstands side wall, and three row's formulas are arranged in the other side, guarantees that upper operating space is not less than 1400mm, and outside setting is not less than
1100mm guard rail.
8. a kind of rail road and section shield construction method simultaneously against the wind, it is characterised in that: the construction method the following steps are included:
A. gantry type the rim of a bowl frame (10) is set up according to live storage battery truck position, side wall is installed on gantry type the rim of a bowl frame (10) top
Jacking (8), and in the Screw arbor with nut at both-ends lower end (1-2) installation Tripterospermum affine button (1-3) and nut (1-4), then by bottom plate main joist Two bors d's oeuveres
Steel pipe (7) is mounted on side wall jacking (8) and butterfly is buckled on (1-3), according to rail against the wind road floor level adjustment side wall jacking (8) and
The position of Screw arbor with nut at both-ends (1-2) top nut (1-4), by drawing size mounting rail, road bed die and side wall bottom plate secondary joist are wooden against the wind afterwards
Side (6), side wall bottom plate plank sheathing (5), installation frame body steel pipe diagonal brace (9) under in-orbit top air channel base plate main joist Two bors d's oeuveres steel pipe (7)
And side wall jacking (8), and rail road structure reinforcing bars (3) against the wind are bound on side wall bottom plate plank sheathing (5), by rail road structural steel against the wind
Muscle (3) welds integral with Screw arbor with nut at both-ends (1-2)；
B. concrete is transported using fork truck, hopper on plate in the structure, until middle plate is reserved at plug hole (2), and reserved in middle plate
It is poured box (12) on plug hole (2) using thick plank sheathing (12-1) and flitch (12-2) square concrete that nails, progress
Road underplate concrete pours rail against the wind；
C., retaining rail road side wall bottom plate plank sheathing (5), side wall bottom plate secondary joist flitch against the wind are installed after underplate concrete initial set
(6), bottom plate main joist Two bors d's oeuveres steel pipe (7), and it is fixed using side wall reinforcing Screw arbor with nut at both-ends and butterfly button (4), it is poured with the above method
Build side wall concrete and preformed hole；
D. side wall bottom plate plank sheathing (5) and gantry type the rim of a bowl frame (10) frame body are removed after road reaches design requirement against the wind after rail, and
It synchronizes and cuts off Screw arbor with nut at both-ends (1-2), complete material cleaning.
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|---|---|---|---|
| CN201710886888.7A CN107829750B (en) | 2017-09-27 | 2017-09-27 | A kind of rail road and section shield constructing structure and method simultaneously against the wind |
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| CN201710886888.7A CN107829750B (en) | 2017-09-27 | 2017-09-27 | A kind of rail road and section shield constructing structure and method simultaneously against the wind |
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| CN107829750B true CN107829750B (en) | 2019-10-25 |
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| CN110700872B (en) * | 2019-09-11 | 2021-08-27 | 上海宝冶建筑装饰有限公司 | Construction method of rail top air duct |
| CN111577325A (en) * | 2020-04-20 | 2020-08-25 | 中铁十二局集团有限公司 | Construction method for arch bridge type arc middle plate of underground excavation station |
| CN111501830A (en) * | 2020-04-30 | 2020-08-07 | 中建八局轨道交通建设有限公司 | Subway open cut station rail top air duct structure and sequential construction method thereof |
| CN113550761A (en) * | 2021-09-03 | 2021-10-26 | 中交隧道工程局有限公司 | Construction method of support frame body of subway station rail top air duct |
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