CN109457551A - Group frame type connection reinforcing structure and construction method between sleeper block and railway roadbed - Google Patents
Group frame type connection reinforcing structure and construction method between sleeper block and railway roadbed Download PDFInfo
- Publication number
- CN109457551A CN109457551A CN201811550976.0A CN201811550976A CN109457551A CN 109457551 A CN109457551 A CN 109457551A CN 201811550976 A CN201811550976 A CN 201811550976A CN 109457551 A CN109457551 A CN 109457551A
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- CN
- China
- Prior art keywords
- frame
- sleeper block
- sleeper
- railway roadbed
- steel pipe
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
- E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
- E01B3/38—Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
- E01B3/40—Slabs; Blocks; Pot sleepers; Fastening tie-rods to them
Abstract
The invention discloses the group frame type connection reinforcing structures between a kind of sleeper block and railway roadbed, for reinforce prefabricated sleeper unit in non-fragment orbit and after pour connection between railway roadbed, it is characterized by: being configured with the reinforcer (3) of vertical frame-type in the sleeper block (1) and railway roadbed (10), the upper side frame (31) of the reinforcer (3) of vertical frame-type is located in the concrete of the sleeper block (1), its side frame (32, 33) with connector overlap joint or through the connector of insertion sleeper block, and it is stretched out from the bottom surface of the sleeper block (1), to strengthen sleeper block (1) on the whole, connector, connection between railway roadbed (10).
Description
Technical field
The invention belongs to non-fragment orbit correlative technology fields, are related to a kind of using the multiple concrete blocks of concrete filled steel tube connection
Technology, relate more specifically to the group frame type connection reinforcing structure and construction method between a kind of sleeper block and railway roadbed.
Background technique
In railway ballastless track system, there is a kind of prefabricated sleeper, sleeper is mounted in railway roadbed or using concrete
It pours and is integrated with railway roadbed, be used to fastener for installing, further fix the rail of top, and need to keep good connection with railway roadbed
Performance.
Chinese patent literature CN105463948B discloses a kind of concrete filled steel tube sleeper suitable for non-fragment orbit, uses steel
Connecting component of the pipe concrete as sleeper block, compared with the connection of general Combined type reinforced truss, globality is stronger, can be effective
Alleviate deformation of concrete sleeper durings storage, transport etc.；Pass through concrete filled steel tube and the one of sleeper concrete block simultaneously
It is body formed, i.e., while pouring sleeper concrete block realize concrete filled steel tube forming, and by concrete filled steel tube be designed to by
More hollow steel pipe compositions, are effectively increased sleeper track geometry holding capacity, reduce amount of reinforcement, improving can construct
Property, it can directly construct at the scene, meet the requirement of sleeper bending-twisting ability.
However, further study showed that, above-mentioned sleeper still remains following problems:
Concrete filled steel tube is formed after pouring concrete within steel pipe, concrete filled steel tube surface is relatively smooth steel face,
After the materials such as direct Transducers Embedded in Concrete, reclaimed rubber, resin material, the bond stress being in contact with it is limited；With two outer diameter 40mm
Steel pipe insertion 200mm depth concrete sleeper block in for, the bond stress that is formed between concrete is 2.5t, and steel pipe is mixed
There are also to be strengthened for connection between solidifying soil and sleeper block.
Prefabricated double-block type concrete filled steel tube sleeper is tied up, is lifted and heap is left with during being transported to construction site
In difficulty.
After prefabricated concrete sleeper is transported to railway line construction site, during the cast in situs of road bed board, sleeper
The railway roadbed board concrete that the inlet part of block is poured with after connect not secured enough, and there are endurance issues, meetings between New-old concrete
The diseases such as crack, these all could be improved raising.
Summary of the invention
For at least one of prior art the above defects or improvement requirements, the present invention provides a kind of roads sleeper Kuai Yu
Group frame type connection reinforcing structure and construction method between bed, by between in-orbit bolster and steel pipe, sleeper block and railway roadbed
Between tectonic framework type reinforcer, such as rectangular reinforcing bar etc. so that the combination between sleeper block and railway roadbed is more secured.
To achieve the above object, according to one aspect of the present invention, the combination between a kind of sleeper block and railway roadbed is provided
Frame-type connection reinforcing structure, for reinforce prefabricated sleeper unit in non-fragment orbit and after pour connection between railway roadbed, it is described
Prefabricated sleeper unit includes the connector that two or more sleeper blocks connect above-mentioned sleeper block with track transverse direction, the sleeper
Block is formed by concreting, and the connecting piece structure is to be arranged in the manufacture mold of sleeper block, in pouring for the sleeper block
It pours and is integrated with the sleeper block during building；
The reinforcer of vertical frame-type is configured in the sleeper block and railway roadbed, the reinforcer of vertical frame-type
Upper side frame is located in the concrete of the sleeper block, and side frame and the connector overlap or through the institute for being inserted into sleeper block
Connector is stated, and is stretched out from the bottom surface of the sleeper block, thus reinforcer part in the casting process of the sleeper block
It is embedded in the concrete of sleeper block, to add the connection between the connector and sleeper block；
The lower frame of the reinforcer of vertical frame-type is located at the bottom surface of the sleeper block hereinafter, in the railway roadbed
In casting process, the stretching of the lower frame, side frame of the reinforcer of the sleeper block and vertical frame-type of Partial Height
Part is embedded in the concrete of the railway roadbed, pours and be integrated, to reinforce the connection between sleeper block and railway roadbed, thus from whole
Sleeper block, connector, the connection between railway roadbed are strengthened on body.
Preferably, the connector is more concrete filled steel tubes, and the concrete filled steel tube is configured to utilize hollow steel pipe cloth
It is placed in the manufacture mold of two sleeper blocks adjacent to each other, is poured in the casting process of the sleeper block with the sleeper block
It is integrated, while filling concrete in the hollow steel pipe；The railway roadbed is embedded to during the railway roadbed pours, thus rail
Bolster, concrete filled steel tube, railway roadbed, which pour, to be integrated.
Preferably, the reinforcer of multiple identical vertical frame-types is configured in the sleeper block and railway roadbed, along
The transverse direction of track is successively spaced setting；
The connecting rod that the top of the reinforcer of multiple spaced frame-types is extended through the more transverse directions along track
Connection fastened to each other forms overall space frame；The connecting rod is partly embedded into sleeper block in the casting process of the sleeper block
Concrete in.
Preferably, the hollow steel pipe is vertically disposed with aperture, frame-type in the part of hollow steel pipe insertion sleeper block
The left frame of reinforcer, left frame the hollow steel pipe is run through by the aperture up and down respectively.
Preferably, the left frame of the reinforcer of frame-type, left frame are overlapped in the inside of a pair of hollow steel pipe respectively
Surface or outer surface.
Preferably, the left frame, left frame in addition to the projection on track cross section have vertical altitude component other than,
Projection in the horizontal plane is also with the horizontal length component of track longitudinal direction.
Preferably, the left frame, left frame include bathtub construction, and the hollow steel pipe is located in the bathtub construction,
When left frame, left frame are overlapped in the inner surface of a pair of hollow steel pipe respectively, the opening difference of the bathtub construction
Towards this outside to hollow steel pipe, when left frame, left frame are overlapped in the outer surface of a pair of hollow steel pipe respectively,
The opening of the bathtub construction is respectively facing this to the inside between hollow steel pipe；
Alternatively, the left frame, left frame include two closed loop configurations, two hollow steel pipes are located at wherein one
In a closed loop configuration, the outer surface of hollow steel pipe described in the closed loop configuration spiral winding；
Alternatively, the axial line of the left frame, left frame is at least locally curved shape.
Preferably, the upper side frame, lower frame are in addition to the projection on the vertical plane of track longitudinal direction is with vertical equity length
Except component, the projection on track cross section also has horizontal length component.
Preferably, the connecting rod in addition in the horizontal plane projection have track transverse direction horizontal length component other than,
A length component is also had in projection on the vertical plane of track longitudinal direction.
To achieve the above object, it is another aspect of this invention to provide that additionally provide foregoing sleeper block and railway roadbed it
Between group frame type connection reinforcing structure construction method, include the following steps:
S1, more hollow steel pipes for making predetermined dimension, in case subsequent production concrete filled steel tube；
S2, two, mold for processing predetermined dimension；
S3, the reinforcer for the frame-type for making predetermined dimension are several, are overlapped in the hollow steel pipe or through described hollow
Steel pipe；The connecting rod for making predetermined dimension is several, by the top of the reinforcer of multiple spaced frame-types along the transverse direction of track
Direction connection fastened to each other forms steel pipe-space frame overall structure；
S4, steel pipe-space frame overall structure is put into mold, casting concrete, so that filling in the hollow steel pipe
Full concrete, forms concrete filled steel tube, space frame is partly embedded into the concrete of sleeper block, and vibration compacting, it is ensured that space
The bottom surface predetermined length of frame stretching sleeper block；
S4, the maintenance that sleeper is carried out together with mould mold, demould later, and obtaining has concrete filled steel tube-space frame
The prefabricated sleeper unit of whole reinforcement structure；
Preferably, further include following steps:
S6, prefabricated sleeper unit is carried to track construction scene, pour the concrete of the railway roadbed, space frame stretches out rail
The part of the bottom surface of bolster, concrete filled steel tube, sleeper block Partial Height, be embedded in the concrete of the railway roadbed, pour for
One, to strengthen sleeper block, concrete filled steel tube, the connection between railway roadbed on the whole.
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, the group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention, passes through in-orbit bolster and steel pipe
Between, reinforcer, such as rectangular or other shapes frame reinforcing bars of tectonic framework type etc. between sleeper block and railway roadbed, construction is perpendicular
To reinforcing bar and connector overlap joint or through the connector of insertion sleeper block, during the cast in situs of the in-orbit bolster of frame reinforcing bar
It in embedment sleeper block, pours and is integrated, so that the combination between the materials such as concrete of concrete filled steel tube and sleeper block is more firm
Gu.The bottom surface of sleeper block is stretched out in the lower part of frame reinforcing bar, and during the cast in situs of railway roadbed, the part of prefabricated sleeper block is high
Degree, the extension of frame reinforcing bar, connector be embedded in the concrete of railway roadbed, pours and is integrated, and forms locking effect, so that
It is tightly combined between sleeper block and the material of after-pouring, the lower part of sleeper block is directly poured with road bed board no longer as the prior art
It builds, but by pre-buried frame reinforcing bar extension, the bonding strength between sleeper block and road bed board is strengthened, when sleeper block
When by the power vertically and horizontally and up and down pulled out, it is combined with each other between sleeper block and after-pouring material, firmly by sleeper
It is fixed in railway roadbed, sleeper block is not easy to loosen, while helping to reduce the crackle between sleeper and railway roadbed.
2, the application prospect of the group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention is extensive, especially
It is, by overlap joint or perforative frame reinforcing bar reinforcer, to realize rail in the double-block type ballastless track of concrete filled steel tube sleeper type
The connection of bolster, concrete filled steel tube, railway roadbed between any two, so that three becomes a close overall structure.
3, in the group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention, it is arranged by multiple intervals
Frame reinforcing bar, reinforced respectively for different regions, and by the adjustment of spacing, balance the stress in each region；And
And multiple vertical frame reinforcing bars are connected by a space frame by longitudinal connecting rod, and constitute steel pipe-with hollow steel pipe
The overall structure of space frame is further promoted by mutual interconnection and reinforces intensity.In terms of construction, steel pipe-space frame
Overall structure can batch it is prefabricated, then in a mold make the prefabricated rail of concrete filled steel tube-space frame entirety reinforcement structure
Unit is rested the head on, the prefabricated efficiency of sleeper unit is accelerated.
4, in the group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention, to frame reinforcing bar with it is hollow
Steel pipe has carried out the special construction of different connection types, passes through the expansion of welded lap point of the stiffener on concrete filled steel tube
Exhibition, avoids the fatigue of single pad, further improves between stiffener and concrete filled steel tube, concrete filled steel tube and rail
Fatigue strength between bolster.
5, in the group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention, pass through left and right reinforcing bar difference
The unique design of configuration increases the overlap joint dimension of concrete filled steel tube the upper side and lower side, has resisted the concrete filled steel tube in operation
Two concrete filled steel tubes and sleeper block are connected as an entirety always by stress in all directions.
6, each by frame reinforcing bar in the group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention
The unique design of various configuration on side, connecting rod itself extending direction, especially axial line multiple projection components in Different Plane
Design, such as partially or fully waveform or fold-line-shaped or spiral configuration increase in the sleeper block of unit-sized
The contact length of stiffener and concrete, improves fastening force, to improve between concrete filled steel tube and sleeper concrete
Bond stress.
Detailed description of the invention
Showing when Fig. 1 is double block sleeper in group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention
It is intended to；
Fig. 2 is that schematic diagram is cutd open in the side of the group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention；
Fig. 3 is space frame reinforcer in group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention
Schematic diagram；
Fig. 4 is frame reinforcer and steel in group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention
Cut open schematic diagram in the side of pipe overlapped first way；
Fig. 5 is frame reinforcer and steel in group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention
Cut open schematic diagram in the side of pipe overlapped the second way；
Fig. 6 is that frame reinforcer runs through in group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention
Cut open schematic diagram in side when steel pipe；
Fig. 7 is steel pipe-space frame in group frame type connection reinforcing structure between sleeper block and railway roadbed of the invention
Overall structure diagram.
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.
The present invention provides the group frame type connection reinforcing structure between a kind of sleeper block and railway roadbed, for reinforcing without tiny fragments of stone, coal, etc. rail
Prefabricated sleeper unit in road and after pour connection between railway roadbed, the prefabricated sleeper unit includes two or more sleeper blocks 1
The connector of above-mentioned sleeper block 1 is connected with track transverse direction, the sleeper block 1 is formed by concreting, the connector
Be configured to be arranged in the manufacture mold of sleeper block 1, pour in the casting process of the sleeper block 1 with the sleeper block 1 for
One；Connection reinforcing structure is set between in-orbit bolster 1 and railway roadbed.
As shown in figs. 1-7, the reinforcer 3 of vertical frame-type is configured in the sleeper block 1 and railway roadbed 10 (as schemed
1), see that Fig. 3, the upper side frame 31 of the reinforcer 3 of vertical frame-type are located in the concrete of the sleeper block 1, side frame 32,
33 overlap with the connector or stretch out through the connector for being inserted into sleeper block, and from the bottom surface of the sleeper block 1, from
And the reinforcer 3 is partly embedded into the concrete of sleeper block in the casting process of the sleeper block 1, to add the connector
With the connection between sleeper block 1；The lower frame 34 of the reinforcer 3 of vertical frame-type be located at the bottom surface of the sleeper block 1 hereinafter,
Thus in the casting process of the railway roadbed 10, the reinforcer 3 of the sleeper block 1 and vertical frame-type of Partial Height
The extension of lower frame 34, side frame 32,33 is embedded in the concrete of the railway roadbed 10, pours and be integrated, to reinforce sleeper
Connection between block 1 and railway roadbed 10, to strengthen sleeper block 1, connector, the connection between railway roadbed 10 on the whole.Certainly,
The setting of frame-type reinforcer should avoid pre-embedded bolt casing.Group frame type connection between sleeper block of the invention and railway roadbed
Reinforcement structure, by between in-orbit bolster and steel pipe, between sleeper block and railway roadbed tectonic framework type reinforcer, such as it is rectangular or
Frame reinforcing bar of other shapes etc., construction vertical reinforcement and connector overlap or through the connector for being inserted into sleeper block, frames
It is embedded in sleeper block during the cast in situs of the in-orbit bolster of reinforcing bar, pours and be integrated, so that concrete filled steel tube and sleeper block
Combination between the materials such as concrete is more secured.The bottom surface of sleeper block is stretched out in the lower part of frame reinforcing bar, pours at the scene of railway roadbed
During building, the prefabricated Partial Height of sleeper block, the extension of frame reinforcing bar, connector are embedded to the concrete of railway roadbed
In, pour and be integrated, locking effect is formed, so that being tightly combined between sleeper block and the material of after-pouring, the lower part of sleeper block
It is directly poured with road bed board no longer as the prior art, but by pre-buried frame reinforcing bar extension, strengthen sleeper
Bonding strength between block and road bed board, when sleeper block is by the power vertically and horizontally and up and down pulled out, sleeper block and after-pouring material
It is combined with each other between material, sleeper is firmly secured in railway roadbed, sleeper block is not easy to loosen, while helping to reduce rail
Crackle between pillow and railway roadbed.
Preferably, the connector is more concrete filled steel tubes 2, and the concrete filled steel tube 2 is configured to utilize hollow steel pipe
Be arranged in the manufacture mold of two sleeper blocks 1 adjacent to each other, in the casting process of the sleeper block 1 with the sleeper block
1 pours and is integrated, while filling concrete in the hollow steel pipe；The railway roadbed is embedded to during the railway roadbed 10 pours
10, so that sleeper block 1, concrete filled steel tube 2, railway roadbed 10 are poured and are integrated.Combo box between sleeper block of the invention and railway roadbed
The application prospect of frame type connection reinforcing structure is extensive, especially in the double-block type ballastless track of concrete filled steel tube sleeper type, passes through
Overlap joint or perforative frame reinforcing bar reinforcer, realize the connection of sleeper block, concrete filled steel tube, railway roadbed between any two, so that three
Person becomes a close overall structure.
Preferably, as shown in figure 3, being configured with multiple identical vertical frame-types in the sleeper block 1 and railway roadbed 10
Reinforcer 3, be successively spaced setting along the transverse direction of track；The top of the reinforcer 3 of multiple spaced frame-types passes through
The connection fastened to each other of connecting rod 35 that the more transverse directions along track extend, forms overall space frame；The connecting rod 35 is in institute
It states and is partly embedded into the casting process of sleeper block 1 in the concrete of sleeper block.Combination between sleeper block of the invention and railway roadbed
In frame-type connection reinforcing structure, by multiple spaced frame reinforcing bars, reinforced respectively for different regions, and
By the adjustment of spacing, the stress in each region is balanced；And multiple vertical frame reinforcing bars are connected by longitudinal connecting rod
One space frame, and steel pipe-space frame overall structure is constituted with hollow steel pipe, it is further mentioned by mutual interconnection
It rises and reinforces intensity.In terms of construction, steel pipe-space frame overall structure can be prefabricated in batches, then makes steel pipe in a mold
The prefabricated sleeper unit of concrete-space frame entirety reinforcement structure, accelerates the prefabricated efficiency of sleeper unit.
Preferably, as shown in fig. 6, the hollow steel pipe is vertically disposed in the part of hollow steel pipe insertion sleeper block 1
Aperture, left frame 32, the left frame 33 of the reinforcer 3 of frame-type run through the hollow steel by the aperture respectively up and down
Pipe is preferably welded through tapping.
Preferably, as illustrated in figures 4-5, the left frame 32 of the reinforcer 3 of frame-type, left frame 33 are overlapped in a pair of of institute respectively
State the inner surface or outer surface of hollow steel pipe.
Preferably, the left frame 32, left frame 33 are in addition to the projection on track cross section is with vertical altitude component
Except, projection in the horizontal plane is also with the horizontal length component of track longitudinal direction.Preferably, the left frame 32, left frame
33 include bathtub construction, and the hollow steel pipe is located in the bathtub construction, when left frame 32, left frame 33 are overlapped in one respectively
When to the inner surface of the hollow steel pipe, the opening of the bathtub construction is respectively facing this outside to hollow steel pipe, works as a left side
When frame 32, left frame 33 are overlapped in the outer surface of a pair of hollow steel pipe respectively, the opening difference of the bathtub construction
Towards this to the inside between hollow steel pipe；Alternatively, the left frame 32, left frame 33 include two closed loop configurations, two institutes
It states hollow steel pipe to be located in one of closed loop configuration, the appearance of hollow steel pipe described in the closed loop configuration spiral winding
Face；Alternatively, the axial line of the left frame 32, left frame 33 is at least locally curved shape.Sleeper block of the invention and railway roadbed it
Between group frame type connection reinforcing structure in, the special structure of different connection types has been carried out from hollow steel pipe to frame reinforcing bar
It makes, by the extension of welded lap point of the stiffener on concrete filled steel tube, avoids the fatigue of single pad, further
Improve the fatigue strength between stiffener and concrete filled steel tube, between concrete filled steel tube and sleeper block.Sleeper of the invention
In group frame type connection reinforcing structure between block and railway roadbed, by the unique design of left and right reinforcing bar various configuration, increase
The overlap joint dimension of concrete filled steel tube the upper side and lower side has resisted the stress of concrete filled steel tube in all directions in operation, begins
Two concrete filled steel tubes and sleeper block are connected as an entirety at last.
Preferably, the upper side frame 31, lower frame 34 are in addition to the projection on the vertical plane of track longitudinal direction is with vertical equity
Except length component, the projection on track cross section also has horizontal length component.Preferably, the connecting rod 35 is in addition in water
In plane projection have track transverse direction horizontal length component except, the projection on the vertical plane of track longitudinal direction also have length divide
Amount.In group frame type connection reinforcing structure between sleeper block of the invention and railway roadbed, certainly by each side of frame reinforcing bar, connecting rod
The unique design of various configuration on body extending direction, the especially design of axial line multiple projection components in Different Plane, example
Such as partially or fully waveform or fold-line-shaped or spiral configuration, increased in the sleeper block of unit-sized stiffener with
The contact length of concrete, improves fastening force, to improve the bond stress between concrete filled steel tube and sleeper concrete.
The present invention also provides applying for the group frame type connection reinforcing structure between foregoing sleeper block and railway roadbed
Work method, includes the following steps:
S1, more hollow steel pipes for making predetermined dimension, such as 2 root long 2000mm, the hollow steel pipe of outer diameter 40mm, in case
Subsequent production concrete filled steel tube 2；
S2, two, mold for processing predetermined dimension, such as long 650mm, wide 300mm, the punching block of high 150mm；
S3, the reinforcer 3 for the frame-type for making predetermined dimension are several, such as the rectangular reinforcing bar 8 of long 160mm, high 150mm
Root is overlapped in the hollow steel pipe or through the hollow steel pipe；The connecting rod 35 for making predetermined dimension is several, such as long 600mm
Longitudinal reinforcement 4, according to spacing be 150mm distance, the top of the reinforcer 3 of multiple spaced frame-types is along track
Transverse direction be welded and fixed connection mutually, form steel pipe-space frame overall structure (as shown in Figure 7)；Wherein, space frame
Frame first makes to be connect with steel pipe or rectangular reinforcing bar first connect with steel pipe, re-forms space frame again, is not limited specifically sequentially
It is fixed；
S4, steel pipe-space frame overall structure is put into mold, casting concrete, so that in 2 hollow steel pipes
Concrete is filled, forms concrete filled steel tube 2, space frame is partly embedded into the concrete of sleeper block, and vibration compacting, it is ensured that is empty
Between frame stretch out the bottom surface predetermined length of sleeper block, such as 3-5cm.
S4, the maintenance that sleeper is carried out together with mould mold, demould later, and obtaining has concrete filled steel tube-space frame
The prefabricated sleeper unit of whole reinforcement structure；
Preferably, further include following steps:
S6, prefabricated sleeper unit is carried to track construction scene, pour the concrete of the railway roadbed 10, space frame stretches out
The part of the bottom surface of sleeper block, concrete filled steel tube 2, sleeper block 1 Partial Height, be embedded in the concrete of the railway roadbed 10,
It pours and is integrated, to strengthen sleeper block 1, concrete filled steel tube 2, the connection between railway roadbed 10 on the whole.
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. the group frame type connection reinforcing structure between a kind of sleeper block and railway roadbed, for reinforcing the prefabricated rail in non-fragment orbit
Pillow unit and after pour connection between railway roadbed, the prefabricated sleeper unit includes two or more sleeper blocks (1) and track transverse direction
Direction connects the connector of above-mentioned sleeper block (1), and the sleeper block (1) is formed by concreting, and the connecting piece structure is
Be arranged in the manufacture mold of sleeper block (1), pour in the casting process of the sleeper block (1) with the sleeper block (1) for
One, it is characterised in that:
The reinforcer (3) of vertical frame-type is configured in the sleeper block (1) and railway roadbed (10), vertical frame-type adds
The upper side frame (31) of strong part (3) is located in the concrete of the sleeper block (1), and side frame (32,33) is taken with the connector
It connects or is stretched out through the connector for being inserted into sleeper block, and from the bottom surface of the sleeper block (1), thus the reinforcer
(3) it is partly embedded into the concrete of sleeper block in the casting process of the sleeper block (1), to add the connector and sleeper block
(1) connection between；
The lower frame (34) of the reinforcer (3) of vertical frame-type is located at the bottom surface of the sleeper block (1) hereinafter, to described
In the casting process of railway roadbed (10), the reinforcer (3) of the sleeper block (1) and vertical frame-type of Partial Height it is following
The extension of frame (34), side frame (32,33) is embedded in the concrete of the railway roadbed (10), pours and be integrated, to reinforce rail
Connection between bolster (1) and railway roadbed (10), to strengthen sleeper block (1), connector on the whole, between railway roadbed (10)
Connection.
2. the group frame type connection reinforcing structure between sleeper block as described in claim 1 and railway roadbed, it is characterised in that:
The connector is more concrete filled steel tubes (2), and the concrete filled steel tube (2) is configured to be arranged in that using hollow steel pipe
In the manufacture mold of this two adjacent sleeper block (1), in the casting process of the sleeper block (1) with the sleeper block (1)
It pours and is integrated, while filling concrete in the hollow steel pipe；The road is embedded to during the railway roadbed (10) pours
Bed (10), so that sleeper block (1), concrete filled steel tube (2), railway roadbed (10) are poured and be integrated.
3. the group frame type connection reinforcing structure between sleeper block as claimed in claim 2 and railway roadbed, it is characterised in that:
The reinforcer (3) of multiple identical vertical frame-types is configured in the sleeper block (1) and railway roadbed (10), along rail
The transverse direction in road is successively spaced setting；
The connecting rod that the top of the reinforcer (3) of multiple spaced frame-types is extended through the more transverse directions along track
(35) connection fastened to each other forms overall space frame；The connecting rod (35) part in the casting process of the sleeper block (1)
It is embedded in the concrete of sleeper block.
4. the group frame type connection reinforcing structure between sleeper block as claimed in claim 3 and railway roadbed, it is characterised in that:
The hollow steel pipe is vertically disposed with aperture, the reinforcer of frame-type in the part of hollow steel pipe insertion sleeper block (1)
(3) left frame (32), left frame (33) runs through the hollow steel pipe by the aperture respectively up and down.
5. the group frame type connection reinforcing structure between sleeper block as claimed in claim 3 and railway roadbed, it is characterised in that:
Left frame (32), the left frame (33) of the reinforcer (3) of frame-type are overlapped in the inside of a pair of hollow steel pipe respectively
Surface or outer surface.
6. the group frame type connection reinforcing structure between sleeper block as claimed in claim 5 and railway roadbed, it is characterised in that:
The left frame (32), left frame (33) in addition to the projection on track cross section have vertical altitude component other than,
Projection on horizontal plane is also with the horizontal length component of track longitudinal direction.
7. the group frame type connection reinforcing structure between sleeper block as claimed in claim 6 and railway roadbed, it is characterised in that:
The left frame (32), left frame (33) include bathtub construction, and the hollow steel pipe is located in the bathtub construction, work as a left side
When frame (32), left frame (33) are overlapped in the inner surface of a pair of hollow steel pipe respectively, the opening of the bathtub construction
It is respectively facing this outside to hollow steel pipe, when left frame (32), left frame (33) are overlapped in a pair of hollow steel pipe respectively
Outer surface when, the opening of the bathtub construction is respectively facing this to the inside between hollow steel pipe；
Alternatively, the left frame (32), left frame (33) include two closed loop configurations, two hollow steel pipes are located at it
In in a closed loop configuration, the outer surface of hollow steel pipe described in the closed loop configuration spiral winding；
Alternatively, the axial line of the left frame (32), left frame (33) is at least locally curved shape.
8. the group frame type connection reinforcing structure between sleeper block as claimed in claim 3 and railway roadbed, it is characterised in that:
The upper side frame (31), lower frame (34) are in addition to the projection on the vertical plane of track longitudinal direction is with vertical equity length component
Except, the projection on track cross section also has horizontal length component.
9. the group frame type connection reinforcing structure between sleeper block as claimed in claim 3 and railway roadbed, it is characterised in that:
The connecting rod (35) is other than projection in the horizontal plane has the horizontal length component of track transverse direction, in track longitudinal direction
A length component is also had in projection on vertical plane.
10. such as applying for the group frame type connection reinforcing structure between the described in any item sleeper blocks of claim 3-9 and railway roadbed
Work method, which comprises the steps of:
S1, more hollow steel pipes for making predetermined dimension, in case subsequent production concrete filled steel tube (2)；
S2, two, mold for processing predetermined dimension；
S3, the reinforcer (3) for the frame-type for making predetermined dimension are several, are overlapped in the hollow steel pipe or through the hollow steel
Pipe；The connecting rod (35) for making predetermined dimension is several, by the top of the reinforcer (3) of multiple spaced frame-types along track
Transverse direction connection fastened to each other forms steel pipe-space frame overall structure；
S4, steel pipe-space frame overall structure is put into mold, casting concrete, so that filling in the hollow steel pipe mixed
Solidifying soil, forms concrete filled steel tube (2), space frame is partly embedded into the concrete of sleeper block, and vibration compacting, it is ensured that space frame
The bottom surface predetermined length of frame stretching sleeper block；
S4, the maintenance that sleeper is carried out together with mould mold, demould later, and obtaining has concrete filled steel tube-space frame whole
The prefabricated sleeper unit of reinforcement structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811550976.0A CN109457551A (en) | 2018-12-18 | 2018-12-18 | Group frame type connection reinforcing structure and construction method between sleeper block and railway roadbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811550976.0A CN109457551A (en) | 2018-12-18 | 2018-12-18 | Group frame type connection reinforcing structure and construction method between sleeper block and railway roadbed |
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| CN109457551A true CN109457551A (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811550976.0A Pending CN109457551A (en) | 2018-12-18 | 2018-12-18 | Group frame type connection reinforcing structure and construction method between sleeper block and railway roadbed |
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| CN (1) | CN109457551A (en) |
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| CN110424190A (en) * | 2019-07-24 | 2019-11-08 | 中铁第四勘察设计院集团有限公司 | The concrete filled steel tubular member of non-fragment orbit and the connection reinforcement of sleeper block design |
| CN110424191A (en) * | 2019-07-24 | 2019-11-08 | 中铁第四勘察设计院集团有限公司 | The anti-detachment design of the concrete filled steel tubular member and sleeper block of non-fragment orbit |
| CN110886153A (en) * | 2019-12-11 | 2020-03-17 | 中铁第四勘察设计院集团有限公司 | Steel pipe concrete long sleeper and construction method thereof |
| CN111993558A (en) * | 2020-08-11 | 2020-11-27 | 中铁第四勘察设计院集团有限公司 | Production method of steel tube concrete sleeper |
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| CN111993558A (en) * | 2020-08-11 | 2020-11-27 | 中铁第四勘察设计院集团有限公司 | Production method of steel tube concrete sleeper |
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