CN110042861A - A kind of subway station assembled rail road and the connecting node with prefabricated middle plate against the wind - Google Patents
A kind of subway station assembled rail road and the connecting node with prefabricated middle plate against the wind Download PDFInfo
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- CN110042861A CN110042861A CN201910355820.5A CN201910355820A CN110042861A CN 110042861 A CN110042861 A CN 110042861A CN 201910355820 A CN201910355820 A CN 201910355820A CN 110042861 A CN110042861 A CN 110042861A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- 238000010276 construction Methods 0.000 claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 description 16
- 239000004567 concrete Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 206010037076 Protrusion tongue Diseases 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/04—Air-ducts or air channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
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Abstract
The invention discloses a kind of subway station assembled rail roads against the wind, in which: road includes that road connector bellend, connector reserve card slot to rail against the wind for road side wall, rail top air channel base plate, rail against the wind to prefabricated rail against the wind；Built-in fitting such as H profile steel rail is set under the prefabricated middle plate in subway station, according to pre-buried rail, designs rail road and its joint construction against the wind, the rail mutual assembled, sliding in road and fixed against the wind may be implemented.
Description
Technical field
The invention belongs to subway station underground engineering fields, and in particular to a kind of subway station assembled rail is against the wind
The connecting joint structure in road and subway station assembled rail road and prefabricated middle plate against the wind.
Background technique
Currently, subway station rail against the wind road construction have the following problems:
(1) road is located at plate in subway station hereinafter, more than track to rail against the wind, is station secondary structure, rail against the wind construct by road
When, the scaffold of plate has been removed in erection, needs to set up scaffold again.
(2) rail against the wind road utilize in plate reserved steel bar be suspended to middle plate hereinafter, reinforcing bar binding and concreting etc. exist
Great difficulty, space constrain, and construction quality is difficult to be guaranteed.
(3) rail against the wind road construction cost when, laborious, investment is big, structure size is heavy, and unit in charge of construction is all the time more anti-
It refuses.
Summary of the invention
For at least one of prior art the above defects or improvement requirements, the present invention provides a kind of subway station dresses
With formula rail, road, the setting built-in fitting such as H profile steel rail under the prefabricated middle plate in subway station design rail against the wind according to pre-buried rail against the wind
The rail mutual assembled, sliding in road and fixed against the wind may be implemented in road and its joint construction；It is manufactured in precasting yard according to design drawing
Assembled rail road segment against the wind, be transported to station realize it is assembled paragraph by paragraph.
To achieve the above object, according to one aspect of the present invention, a kind of subway station assembled rail road against the wind is provided,
Wherein: road includes that road connector bellend, connector reserve card to rail against the wind for road side wall, rail top air channel base plate, rail against the wind to prefabricated rail against the wind
Slot；
The rail two sides that road side wall is located at rail top air channel base plate against the wind constitute bathtub construction, and road connects the rail against the wind
Head bellend is located at the top of rail road side wall against the wind；The connector reserves card slot and is provided with rail road connector expansion against the wind
In end, connection is matched for the built-in fitting in the prefabricated middle plate with subway station；
Longitudinal both ends of rail road side wall against the wind are respectively equipped with the rail road against the wind with longitudinally adjacent prefabricated rail road against the wind
Side wall is set between side wall and limits matching connection part；
Longitudinal both ends of rail top air channel base plate are respectively equipped with the rail road against the wind with longitudinally adjacent prefabricated rail road against the wind
Bottom plate is set between bottom plate and limits matching connection part.
Preferably, the rail against the wind road side wall longitudinal one end be equipped with rail against the wind road side wall groove, the other end be equipped with rail top
Air duct side wall protrusion, respectively with rail road side wall protrusion and the rail against the wind of the longitudinally adjacent prefabricated rail rail road side wall against the wind in road against the wind
Side wall groove in road carries out matching limit connection against the wind.
Preferably, equipped with rail, road bottom plate groove, the other end are equipped with rail top against the wind for longitudinal one end of rail top air channel base plate
Air channel base plate protrusion, respectively with the rail top air channel base plate protrusion and rail of the longitudinally adjacent prefabricated rail rail top air channel base plate in road against the wind
Road bottom plate groove carries out matching limit connection against the wind.
Preferably, the built-in fitting in the prefabricated middle plate of subway station is H profile steel rail, and upper flange and part web are embedded in
In the prefabricated middle plate, another part web and lower wing plate from the lower surface of the prefabricated middle plate expose as with the rail against the wind
The connector of road connector bellend；
It is inverted T-shaped that the connector, which reserves card slot cross-sectional shape in the rail against the wind road connector bellend, is allowed from institute
The one end for stating H profile steel rail penetrates.
Preferably, the upper lateral of rail road connector bellend against the wind is provided with several bolts hole, the H profile steel rail
Web corresponding position also offers perforation, and bolt is reserved across the connector of the bolt hole, the perforation of web, inverted T-shaped
The vertical slot of card slot, by prefabricated rail, road is fastenedly connected with prefabricated middle plate against the wind.
Preferably, the rail against the wind in road connector bellend, the connector reserve card slot inverted T-shaped level trough upper table
Face is vertically arranged with several connector pre-embedded steel slabs, and the upper surface for the lower wing plate with the H profile steel rail carries out sliding dress
Match.
Preferably, several rolling steel balls are distributed in the lower section installation of the connector pre-embedded steel slab.
To achieve the above object, it is another aspect of this invention to provide that additionally providing a kind of subway station assembled rail against the wind
The connecting joint structure in road and prefabricated middle plate, in which: including foregoing subway station assembled rail road against the wind, further include ground
The prefabricated middle plate at iron car station；
Built-in fitting is provided in the prefabricated middle plate, the built-in fitting exposes suspension from the bottom surface of the prefabricated middle plate and sets
It sets；The prefabricated rail against the wind road connector reserve card slot from longitudinal one end of the suspended portion of the built-in fitting penetrate connection that
This.
Preferably, the connector is reserved and is additionally provided with lateral fastening connection piece between card slot and the built-in fitting.
Preferably, the connector is reserved and is additionally provided with longitudinal sliding motion drag reduction part between card slot and the built-in fitting.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
1, subway station assembled rail of the invention road and the connecting node with prefabricated middle plate against the wind, plate built-in fitting in utilization
Especially road connector realizes the fabricated construction in rail road against the wind, simple and convenient, green against the wind for H-type track and the rail of special designing
Environmental protection.
2, road and the connecting node with prefabricated middle plate, assembly are efficient against the wind for subway station assembled rail of the invention, it is contemplated that
It only needs several days time that assembly can be completed, also withouts waiting for the maintenance molding of concrete, the duration is greatly saved.
3, subway station assembled rail of the invention road and the connecting node with prefabricated middle plate against the wind, without setting up interim foot
Hand cradle, prefabricated components size can also suitably reduce, save the cost.
4, subway station assembled rail of the invention road and the connecting node with prefabricated middle plate against the wind, without in narrow sky
Interior cast-in-place concrete, assembling reinforcement have mitigated the resistance mood of construction party, and quality is secure, securely and reliably.
Detailed description of the invention
Fig. 1 be subway station assembled rail of the invention against the wind road install when schematic cross-sectional view；
Fig. 2 is subway station assembled rail of the invention road and connector drawing against the wind；
Fig. 3 is subway station assembled rail of the invention road segment schematic side view against the wind；
Fig. 4 is the subway station assembled rail of the invention connector pre-embedded steel slab in road and rolling steel ball side view signal against the wind
Figure；
Fig. 5 is that the connector pre-embedded steel slab in road and rolling steel ball overlook signal to subway station assembled rail of the invention against the wind
Figure；
Fig. 6 is the whole schematic elevation view of combined assembled subway station of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.The present invention is described in more detail With reference to embodiment.
As a kind of better embodiment of the invention, as shown in Figs. 1-5, the present invention provides a kind of subway station assembled
Rail road against the wind, in which: road 28 includes rail road side wall 288, rail top air channel base plate 289, rail road connector against the wind against the wind to prefabricated rail against the wind
Bellend 2812, connector reserve card slot 2813.
The rail two sides that road side wall 288 is located at rail top air channel base plate 289 against the wind constitute bathtub construction, the rail top
Air duct connector bellend 2812 is located at the top of rail road side wall 288 against the wind；The connector reserves card slot 2813 and is provided with institute
Rail is stated against the wind in road connector bellend 2812, matches connection for the built-in fitting in the prefabricated middle plate 16 with subway station.It is prefabricated
Middle 16 both ends of plate are individually fixed in prefabricated middle stringer 15, on subterranean wall 1.
As Figure 2-3, longitudinal both ends of rail road side wall 288 against the wind are respectively equipped with and longitudinally adjacent prefabricated rail top
Setting side wall limits matching connection part to the rail in air duct 28 between road side wall against the wind.Longitudinal both ends of rail top air channel base plate 289
It is respectively equipped with and bottom plate limit matching connection part is set between longitudinally adjacent prefabricated rail against the wind the rail top air channel base plate in road 28.It is excellent
Selection of land, longitudinal one end of rail road side wall 288 against the wind is equipped with rail, and road side wall groove 284, the other end are equipped with rail road against the wind against the wind
Side wall protrusion 2811, respectively with longitudinally adjacent prefabricated rail against the wind road 28 rail against the wind road side wall rail against the wind road side wall protrusion
2811 and rail against the wind road side wall groove 284 carry out matching limit connection.Preferably, longitudinal the one of rail top air channel base plate 289
End is equipped with rail, and road bottom plate groove 283, the other end are equipped with rail top air channel base plate protrusion 2810 against the wind, respectively with it is longitudinally adjacent prefabricated
Road bottom plate groove 283 carries out matching limit to rail against the wind for the rail top air channel base plate protrusion 2810 of the rail top air channel base plate in road 28 and rail against the wind
Position connection.Matching connection part is limited by two classes, adjacent prefabricated rail may be implemented, and road is stable up and down against the wind.
As shown in Figs. 1-2, the built-in fitting in the prefabricated middle plate 16 of subway station is H profile steel rail 282, upper flange and part
Web is embedded in the prefabricated middle plate 16, and exposing is made from the lower surface of the prefabricated middle plate 16 for another part web and lower wing plate
For the connector with rail road connector bellend 2812 against the wind.The connector reserves card slot 2813 in rail road connector against the wind
Cross-sectional shape is inverted T-shaped in bellend 2812, and permission is penetrated from one end of the H profile steel rail 282.
As shown in Fig. 2, the upper lateral of rail road connector bellend 2812 against the wind is provided with several bolts hole 2815, institute
The web corresponding position for stating H profile steel rail 282 also offers perforation, and bolt 287 passes through the bolt hole 2815, web is worn
Hole, inverted T-shaped the connector reserve the vertical slot of card slot 2813, by prefabricated rail, road 28 is fastenedly connected with prefabricated middle plate 16 against the wind.
As shown in Fig. 2, the rail against the wind in road connector bellend 2812, the connector reserve the inverted T-shaped of card slot 2813
The upper surface of level trough is vertically arranged with several connector pre-embedded steel slabs 2814, for the lower wing plate with the H profile steel rail 282
Upper surface carry out slidable fit.
As shown in Fig. 2,4-5, several rolling steel balls 2816 are distributed in the lower section installation of the connector pre-embedded steel slab 2814.
To achieve the above object, it is another aspect of this invention to provide that additionally providing a kind of subway station assembled rail against the wind
The connecting joint structure in road and prefabricated middle plate, wherein including foregoing subway station assembled rail road against the wind, further include ground
The prefabricated middle plate 16 at iron car station.
Built-in fitting is provided in the prefabricated middle plate 16, the built-in fitting exposes from the bottom surface of the prefabricated middle plate 16 to be hung
Setting；The prefabricated rail against the wind road 28 connector reserve card slot 2813 penetrated from longitudinal one end of the suspended portion of the built-in fitting
Connection is each other.
Preferably, the connector is reserved and is additionally provided with lateral fastening connection piece between card slot 2813 and the built-in fitting, as before
The bolt etc. stated.Preferably, the connector is reserved and is additionally provided with longitudinal sliding motion drag reduction part between card slot 2813 and the built-in fitting, such as
Connector pre-embedded steel slab above-mentioned, rolling steel ball.
The other technologies index that the present invention uses is as follows.
Road 28, each precast section suggest that length is 2 meters to prefabricated rail of the present invention against the wind, internal headroom size
According to being calculated；Recommending rail, side wall 288 thickness in road takes 150mm against the wind, and air channel base plate 289 thickness in rail top takes 100mm, and rail is against the wind
Connector bellend 2812 thickness in road takes 400mm, 28 headroom size of road and recommends rail road side against the wind against the wind according to prefabricated rail
288 size of wall, the pre-buried H profile steel rail 282 in prefabricated middle plate 16.
H profile steel rail 282 of the present invention need to have sufficient intensity, and rolling steel ball 2816 is prevented to be pressed into, and specific size passes through
It calculates and determines, it is proposed that using fixed modulus material, save cost, pre-buried part needs closely to connect with reinforcing bar in prefabricated middle plate 16
It connects, to guarantee it with enough tensile capacity.
Connector of the present invention is reserved 2813 size of card slot and to be adapted with pre-buried 282 size of H profile steel rail, it is proposed that slightly
Greatly, preventing prefabricated rail, road 28 blocks in moving process against the wind；Connector is reserved in card slot 2813 and butter is perfused, and can subtract
Small sliding frictional force is also possible to prevent metal joint component and gets rusty.
Three bolts hole 2815, each bolt are reserved in road 28 to each prefabricated rail in segment at the quartering respectively against the wind
It is hexagon nut bellend on the inside of the in-orbit road against the wind in hole 2815, in assembling process, against the wind by prefabricated rail by bolt 287
It is stretched out inside road 28, outside is tightened.
Rail of the present invention against the wind road side wall groove and protrusion, road bottom plate groove and protrusion are diameter 10cm to rail against the wind
Semicircle, be easily installed and position.
Connector pre-embedded steel slab 2814 of the present invention places four in the prefabricated rail in each segment against the wind road 28,
Four rolling steel balls 2816 are inlayed in each 2814 lower end of connector pre-embedded steel slab, and rolling steel ball 2816 is embedded in connector pre-embedded steel slab 2814
It is more than half, to prevent being rolled out during sliding stop.Connector pre-embedded steel slab 2814 and rolling steel ball 2816 are required to have enough intensity.
As shown in fig. 6, using above-mentioned subway station assembled rail road, subway station assembly against the wind the present invention also provides a kind of
Combined assembled underground structure (such as the subway of formula the rail connecting joint structure of road and prefabricated middle plate and its construction method against the wind
Stand), in which:
Including subterranean wall 1, main structure column；Underground coping is equipped with the pre-buried prefabricated middle plate of installation in crown beam 5, middle part
Steel construction card slot 2, positioning and rest when for the lifting of prefabricated middle plate, the height of card slot is greater than middle plate thickness, when subterranean wall card slot
Absolute altitude there are when error allow both relative movement, can still ensure in plate be located at designed elevation；It is set at the top of main structure column
There are prefabricated top beam 8, middle part to be equipped with prefabricated middle stringer 15.Main structure column includes pile foundation 3 and steel column 4, and steel column 4 needs
It is inserted into 3 certain depth of pile foundation, guarantees that the two realizes reliable connection；Steel column 4 using steel core concrete column, steel reinforced concrete or
External wrapping concrete forms steel tube concrete superposed column.Top plate prestressing force jack 11, steel are equipped between crown beam 5 and prefabricated top plate 9
Middle board prestress jack 19 is equipped between structure card slot 2 and prefabricated middle plate 16.In view of prefabricated components installation positioning need to be reserved
Certain error, it is pre- to top plate prefabricated components, middle plate respectively by top plate prestressing force jack 11, middle board prestress jack 19
Component processed applies transverse prestress, to balance and offset reserved error, controls the deformation of subterranean wall, it is ensured that foundation pit and periphery construction
The safety and stability of object.Each prefabricated board locks rod iron by using deformed bar or section by section, longitudinally (in paper just by prefabricated board
To) tensioning fixation is carried out into an entirety.
The prefabricated top plate 9 that is arranged between prefabricated top beam 8, crown beam 5 and prefabricated top beam 8, adjacent two prefabricated top beam 8 it
Between the prefabricated top plate 9, the top plate in-situ layer 12 on top plate, the top plate flexible waterproof layer 13 on top plate in-situ layer that are arranged be collectively formed
Composite water-proof prestressing force top plate.
It is the prefabricated middle plate 16 that is arranged between prefabricated middle stringer 15, steel construction card slot 2 and prefabricated middle stringer 15, adjacent two prefabricated
Plate in combined prestressing force is collectively formed in middle plate in-situ layer 20 on the prefabricated middle plate 16 that is arranged between middle stringer 15, middle plate.
Prefabricated bed course 23 that substrate is set gradually from bottom to up, base plate waterproofing 24, cast-in-place bottom plate 25 are collectively formed compound
Waterproof bottom plate.
It is collectively formed to inward side to the side wall waterproof layer and side wall in-situ layer set gradually in subterranean wall 1 and subterranean wall
Composite water-proof wall.
As shown in fig. 6, prefabricated top plate 9 is hung with prefabricated pipeline bracket 10 by built-in groove, integral prefabricated part is formed.It is prefabricated
Middle plate 16 is hung with prefabricated pipeline bracket 10 and prefabricated rail road 28 against the wind by built-in fitting, and is equipped with preheating embedding line set up and down
Pipe 18 forms integral prefabricated part.Groove, the reserved protrusion tongue and groove in prefabricated 8 two sides of top beam, prefabricated middle stringer are reserved on the inside of crown beam 5
The reserved protrusion tongue and groove in 15 two sides, is placed convenient for the lifting of prefabricated top plate 9 and prefabricated middle plate 16.
Plate in composite water-proof prestressing force top plate, combined prestressing force, composite waterproof bottom board are each formed between composite water-proof wall
Effect connection the problem of forming full packet waterproof combined assembled underground structure entirely, overcome full assembled underground structure percolating water, is dashed forward
The limitation of assembled underground structure application range has been broken, can have been answered in water rich strata, the area that surrounding enviroment are complicated, Deformation control is high
With can effectively promote extensive use of the fabricated construction in underground engineering.The present invention is instead of conventional excavation and cast-in-place structure
A large amount of inner supports and template, reduce investment outlay；Pre-add axis pressure can be set to prefabricated components simultaneously, balance and offset assembled gap
Deformation, can effectively protect surrounding enviroment, it is ensured that deep pit monitor.Underground is realized in prefabricated components batch production production and mechanized construction
Structural Engineering high quality and superior quality, substitute traditional furred ceiling finishing, and built-in fitting realizes comprehensive pipeline standardization and mechanization peace
Dress, reduces investment outlay and the duration, and green construction, energy conservation and environmental protection is technologically advanced, realizes sustainable development and green construction, implementable
Property it is strong, underground engineering field have wide application space.
The reversed construction method of combined assembled underground structure of the invention, includes the following steps:
S1, construction subterranean wall 1 and main structure column, wherein in subterranean wall 1 the pre-buried prefabricated middle plate of installation steel construction card
Slot 2；In step S1, subterranean wall 1 uses concrete placed under water ground-connecting-wall or prefabricated subterranean wall；The construction party of main structure column
Method is pile foundation 3 of first constructing, then lifts steel column 4 and be inserted into pile foundation 3, and steel column 4 uses steel core concrete column, fashioned iron coagulation
Soil or external wrapping concrete form steel tube concrete superposed column.
S2, crown beam 5 and retaining wall 6 are applied.
S3, it is excavated under top plate beam 7 in terms of spoil, and hoisting prefabricated top beam 8 and prefabricated top plate 9, wherein prefabricated top
Prefabricated pipeline bracket 10 is embedded in plate batch production manufacturing process.Preferably, reserved groove, prefabricated top beam 8 when crown beam 5 is constructed
Reserved protrusion tongue and groove, the lifting for prefabricated top plate 9 are placed.
S4, the top plate prestressing force jack 11 first passed through between crown beam 5 and prefabricated top plate 9 apply pre- answer to prefabricated top plate 9
Power, then top plate in-situ layer 12 is poured, and top plate flexible waterproof layer 13 of constructing, wherein according to the needs for being unearthed and feeding, along top plate
Longitudinally disposed several unearthed and feed openings.
S5, under the support of precast beam system, synchronize downward earth excavation into lower layer under plate-girder 14 in terms of spoil.
Preferably, between S4-S5, after the completion of top plate precast beam system, in-situ layer and waterproof layer, it can move back pipeline and backfill is covered
Soil resumes traffic, and can reduce the influence to urban transportation and pipeline.
S6, using upper layer be unearthed and feed opening, hoisting prefabricated middle stringer 15 and prefabricated middle plate 16, wherein prefabricated Zhong Ban factory
Change setting in manufacturing process be embedded with prefabricated pipeline bracket 17, preheating embedding line casing 18 and prefabricated rail road 28 against the wind suspension it is pre-buried
Part (is formed) by aforementioned H profile steel rail.Subterranean wall 1 is reserved convex in the pre-buried steel construction card slot 2 of middle plate elevation location, prefabricated middle stringer 15
Tongue and groove out, the lifting for prefabricated middle plate 16 are placed.When lifting, it is inserted into the reserved steel construction card slot 2 of diaphram wall 1 on one side
It is interior, it is placed on the reserved middle stringer tongue and groove of prefabricated middle stringer 15 on one side.
S7, apply prestressing force to prefabricated middle plate 16 first with the middle board prestress jack 19 in steel construction card slot 2, then pour
Build middle plate in-situ layer 20, wherein the unearthed and feed opening of middle plate is corresponding with upper layer.
S8, under the support of precast beam, synchronize downward excavation；And synchronous construction basement one side wall waterproof layer 21 and ground
Next layer of side wall in-situ layer 22.
S9, S5-S7 is recycled downwards, be excavated to foundation pit bottom.
S10, the prefabricated bed course 23 of installation, base plate waterproofing 24, cast-in-place bottom plate 25 are applied.
S11, construction backplane level side wall waterproof layer 26 and backplane level side wall in-situ layer 27；Synchronous successively polishing is unearthed and charging
Hole.
Preferably, after S11 further include:
In S12, the completion of combined assembled underground structure main body and adjacent interval coverage after shield-tunneling construction completion, pass through
The connecting node in prefabricated rail above road and prefabricated middle plate against the wind is detailed in the prefabricated rail of installation of embedded parts of prefabricated middle plate road 28 against the wind
The specific connector and work progress of structure.
Full packet waterproof of the invention combined assembled underground structure and construction method entirely, without setting up in entire work progress
Support and template, under plate upper plate can synchronous construction operation, the time for waiting age to be formed greatly shortens, and has green construction, fast
Convenient, the safe and efficient, environmental protection and energy saving of speed, a series of advantages such as reduce investment outlay, have wide application space.
Top plate and middle plate prefabricated member and in-situ layer substitution inner support and template, work progress, utilizes setting from top to bottom
Unearthed feed opening, be unearthed, charging, the disengaging of hoisting prefabricated middle plate, make-up machinery, bottom plate closing and side wall it is complete it is rear after, main body knot
Structure has completed.
Structure cast-in-place layer, including top plate in-situ layer, middle plate in-situ layer, cast-in-place bottom plate, using prefabricated components as mould when pouring
Plate can save a large amount of templates.
Complete combined assembled Underground Construction method, constructs from top to bottom, using top plate prefabricated components and in-situ layer, in
Plate prefabricated member and in-situ layer substitute inner support system, can effectively protect foundation pit periphery building, save a large amount of construction investments.
Complete combined assembled Underground Construction method, constructs from top to bottom, using top plate prefabricated components and in-situ layer, in
Plate prefabricated member and in-situ layer substitute inner support system, can effectively protect foundation pit periphery building, save a large amount of construction investments.It examines
Certain error need to be reserved by considering prefabricated components installation positioning, pass through top plate prestressing force jack, middle board prestress jack point
It is other that transverse prestress is applied to top plate prefabricated components, middle plate prefabricated member, to balance and offset reserved error, control subterranean wall
Deformation, it is ensured that the safety and stability of foundation pit and periphery building.Each prefabricated board locks steel by using deformed bar or section by section
Prefabricated board longitudinal (direction in paper) is carried out tensioning fixation into an entirety by stick.
Each prefabricated components splicing assembly of structure is completed, and mounting structure is formed by tongue-and-groove, high strength exploitation；Preformed pad
Cast-in-place concrete structure also can be used in layer.
Combined assembled underground structure of the invention and its construction method are suitable for basement one, two layers and more layers, can
According to requirement of engineering suitable for no column single span, single-column twin spans, twin columns three across or more across multi-layer underground structure.
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, not 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 (10)
1. a kind of subway station assembled rail road against the wind, it is characterised in that: prefabricated rail includes against the wind road (28) rail road side wall against the wind
(288), road connector bellend (2812), connector reserve card slot (2813) against the wind for rail top air channel base plate (289), rail；
The rail two sides that road side wall (288) is located at rail top air channel base plate (289) against the wind constitute bathtub construction, the rail top
Air duct connector bellend (2812) is located at the top of rail road side wall (288) against the wind；The connector is reserved card slot (2813) and is opened
The rail is located at against the wind in road connector bellend (2812), is matched for the built-in fitting in the prefabricated middle plate (16) with subway station
Connection；
Longitudinal both ends of rail road side wall (288) against the wind are respectively equipped with the rail top with longitudinally adjacent prefabricated rail road (28) against the wind
Side wall is set between the side wall of air duct and limits matching connection part；
Longitudinal both ends of rail top air channel base plate (289) are respectively equipped with the rail top with longitudinally adjacent prefabricated rail road (28) against the wind
Bottom plate is set between air channel base plate and limits matching connection part.
2. assembled rail in subway station as described in claim 1 road against the wind, it is characterised in that:
The rail against the wind road side wall (288) longitudinal one end be equipped with rail against the wind road side wall groove (284), the other end be equipped with rail against the wind
Road side wall is raised (2811), respectively with the rail road side wall against the wind of the longitudinally adjacent prefabricated rail rail road side wall against the wind of road (28) against the wind
Road side wall groove (284) carries out matching limit connection against the wind for raised (2811) and rail.
3. assembled rail in subway station as described in claim 1 road against the wind, it is characterised in that:
Longitudinal one end of rail top air channel base plate (289) is equipped with rail, and road bottom plate groove (283), the other end are equipped with rail against the wind against the wind
Road bottom plate is raised (2810), respectively with the rail top air channel base plate of the longitudinally adjacent prefabricated rail rail top air channel base plate of road (28) against the wind
Road bottom plate groove (283) carries out matching limit connection against the wind for raised (2810) and rail.
4. assembled rail in subway station as described in claim 1 road against the wind, it is characterised in that:
Built-in fitting in the prefabricated middle plate (16) of subway station is H profile steel rail (282), and upper flange and part web are embedded in institute
State in prefabricated middle plate (16), another part web and lower wing plate from the lower surface of the prefabricated middle plate (16) expose as with it is described
The connector of rail road connector bellend (2812) against the wind；
It is inverted T-shaped that the connector, which reserves card slot (2813) cross-sectional shape in the rail against the wind road connector bellend (2812),
Permission is penetrated from one end of the H profile steel rail (282).
5. assembled rail in subway station as claimed in claim 4 road against the wind, it is characterised in that:
The upper lateral of rail road connector bellend (2812) against the wind is provided with several bolts hole (2815), the H profile steel rail
(282) web corresponding position also offers perforation, bolt (287) pass through the bolt hole (2815), web perforation, fall
The connector of T shape reserves the vertical slot of card slot (2813), and prefabricated rail is fastenedly connected with prefabricated middle plate (16) against the wind road (28).
6. assembled rail in subway station as claimed in claim 4 road against the wind, it is characterised in that:
The rail against the wind in road connector bellend (2812), the connector reserve card slot (2813) inverted T-shaped level trough it is upper
Surface is vertically arranged with several connector pre-embedded steel slabs (2814), for the upper table with the lower wing plate of the H profile steel rail (282)
Face carries out slidable fit.
7. assembled rail in subway station as claimed in claim 6 road against the wind, it is characterised in that:
Several rolling steel balls (2816) are distributed in the lower section installation of the connector pre-embedded steel slab (2814).
8. the connecting joint structure in a kind of subway station assembled rail road and prefabricated middle plate against the wind, it is characterised in that: including such as weighing
Benefit requires the described in any item subway station assembled rails of 1-7 road against the wind, further includes the prefabricated middle plate (16) of subway station；
Built-in fitting is provided in the prefabricated middle plate (16), the built-in fitting exposes from the bottom surface of the prefabricated middle plate (16) to be hung
Setting；The connector of prefabricated rail road (28) against the wind reserves the longitudinal one end of card slot (2813) from the suspended portion of the built-in fitting
Penetrate connection each other.
9. the connecting joint structure in assembled rail in subway station as claimed in claim 8 road and prefabricated middle plate against the wind, feature
It is:
The connector is reserved and is additionally provided with lateral fastening connection piece between card slot (2813) and the built-in fitting.
10. the connecting joint structure in assembled rail in subway station as claimed in claim 8 road and prefabricated middle plate against the wind, feature
It is:
The connector, which is reserved, is additionally provided with longitudinal sliding motion drag reduction part between card slot (2813) and the built-in fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355820.5A CN110042861B (en) | 2019-04-29 | 2019-04-29 | Assembled rail top air duct of subway station and connecting node of assembled rail top air duct and prefabricated middle plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355820.5A CN110042861B (en) | 2019-04-29 | 2019-04-29 | Assembled rail top air duct of subway station and connecting node of assembled rail top air duct and prefabricated middle plate |
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| Publication Number | Publication Date |
|---|---|
| CN110042861A true CN110042861A (en) | 2019-07-23 |
| CN110042861B CN110042861B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910355820.5A Active CN110042861B (en) | 2019-04-29 | 2019-04-29 | Assembled rail top air duct of subway station and connecting node of assembled rail top air duct and prefabricated middle plate |
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| CN111501586A (en) * | 2020-04-14 | 2020-08-07 | 中铁第四勘察设计院集团有限公司 | Assembled platform |
| CN111593861A (en) * | 2020-04-14 | 2020-08-28 | 中铁第四勘察设计院集团有限公司 | Connecting structure of prefabricated rail top air duct and structural slab and construction method thereof |
| CN112012239A (en) * | 2020-08-11 | 2020-12-01 | 广州地铁设计研究院股份有限公司 | Assembling structure and assembling method for prefabricated middle plate at hole of station |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110042861B (en) | 2024-04-05 |
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