CN109457548A - A kind of penetration type connection reinforcing structure of concrete filled steel tube and sleeper block - Google Patents
A kind of penetration type connection reinforcing structure of concrete filled steel tube and sleeper block Download PDFInfo
- Publication number
- CN109457548A CN109457548A CN201811536549.7A CN201811536549A CN109457548A CN 109457548 A CN109457548 A CN 109457548A CN 201811536549 A CN201811536549 A CN 201811536549A CN 109457548 A CN109457548 A CN 109457548A
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- Prior art keywords
- concrete filled
- filled steel
- sleeper
- reinforcer
- steel tube
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Classifications
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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
- E01B3/32—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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses the penetration type connection reinforcing structures of a kind of concrete filled steel tube and sleeper block, for in the concrete filled steel tube sleeper of non-fragment orbit, the concrete filled steel tube sleeper includes the more concrete filled steel tubes (2) that two or more sleeper blocks (1) connect above-mentioned sleeper block (1) with track transverse direction, the sleeper block (1) is formed by concreting, the concrete filled steel tube (2) is configured in the manufacture mold for being arranged in two sleeper blocks (1) adjacent to each other using hollow steel pipe, it pours and is integrated with the sleeper block (1) in the casting process of the sleeper block (1), concrete is filled in the hollow steel pipe simultaneously；It is characterized by: the parts transversely in hollow steel pipe insertion sleeper block (1) is provided with aperture, lateral reinforcer (3) partly or entirely are being worn in the aperture of hollow steel pipe two-by-two, to reinforce the connection between concrete filled steel tube (2) and sleeper block (1).
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
The technology of shape relates more specifically to the penetration type connection reinforcing structure of a kind of concrete filled steel tube and sleeper block.
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 concrete filled steel tubes
With the penetration type connection reinforcing structure of sleeper block, setting reinforcer, such as reinforcing bar are run through in the hollow steel pipe of concrete filled steel tube
Equal works, and the position of reinforcer is specifically designed, so that the materials such as concrete of concrete filled steel tube and sleeper block
Between combination it is more secured.
To achieve the above object, according to one aspect of the present invention, passing through for a kind of concrete filled steel tube and sleeper block is provided
Wear formula connection reinforcing structure, in the concrete filled steel tube sleeper of non-fragment orbit, the concrete filled steel tube sleeper include two or
More sleeper blocks connect more concrete filled steel tubes of above-mentioned sleeper block with track transverse direction, and the sleeper block is by concreting
It forming, the concrete filled steel tube is configured in the manufacture mold for being arranged in two sleeper blocks adjacent to each other using hollow steel pipe,
It pours and is integrated with the sleeper block in the casting process of the sleeper block, while filling concrete in the hollow steel pipe；
The parts transversely of hollow steel pipe insertion sleeper block is provided with aperture, partly or entirely hollow steel pipe is opened two-by-two
Lateral reinforcer is worn in hole, and is partial to described in interior direction, eccentric setting in outermost two sleeper blocks from center
Reinforcer, thus in the concrete that the reinforcer is at least partially buried sleeper block in the casting process of the sleeper block, with
Reinforce the connection between concrete filled steel tube and sleeper block.
Preferably, the rod iron of radial direction is further fixed on the outer wall of the concrete filled steel tube；The rod iron setting exists
The position not conflicted with the aperture and the reinforcer；And it is partial to interior side from center in outermost two sleeper blocks
To rod iron described in, eccentric setting.
Preferably, the aperture of two hollow steel pipes is located in the same perpendicular of track longitudinal direction, and the reinforcer is just
Extend transversely through two concrete filled steel tubes；
The rod iron includes multiple, the circumferentially distributed outer wall in the concrete filled steel tube, and with the reinforcer in track
On longitudinal same perpendicular, or with the reinforcer on multiple and different perpendiculars of track longitudinal direction.
Preferably, the aperture of two hollow steel pipes is located in multiple and different perpendiculars of track longitudinal direction, is oblique aperture,
The reinforcer tiltedly extends transversely through two concrete filled steel tubes；
The rod iron includes multiple, the circumferentially distributed outer wall in the concrete filled steel tube, and is located at the oblique aperture institute
On the oblique perpendicular being in, or it is not located on oblique perpendicular locating for the oblique aperture.
Preferably, the reinforcer is vertical bar shaped；Including at least such one group of chiasma type reinforcer, that is, two difference are oblique
The reinforcer being laterally arranged is arranged in the plane locating for the axial line of two concrete filled steel tubes in X-type cross.
Preferably, on the longitudinal direction of track, the both ends of the reinforcer are stretched out the two sides of the sleeper block, are exposed
Two concrete filled steel tubes are not only run through in end, by this method, the reinforcer, also extend through sleeper block, thus pouring in road bed board
During building, the exposing end of sleeper block, concrete filled steel tube, reinforcer is poured and is integrated.
Preferably, the reinforcer includes multiple, and setting is successively spaced along the longitudinal direction of the concrete filled steel tube；It is multiple described
As a whole, integral central is from interior direction is partial at the center of outermost two sleeper blocks, bias is set for reinforcer
It sets.
Preferably, multiple reinforcers are divided into two groups up and down in different height, and multiple apertures are also accordingly divided into
Two groups up and down in different height, that is, both include be applied in two concrete filled steel tubes, the reinforcement in the aperture of top
Part, but including being applied in two concrete filled steel tubes, reinforcer in the aperture of lower section, and upper and lower two groups of reinforcers are along the steel
The longitudinal direction of pipe concrete successively replaces, is spaced setting, i.e., one on the other, longitudinally successively replaces, is spaced setting.
Preferably, the shape design of the reinforcer is, with header structure is amplified, the amplification header structure is arranged at
The size at the both ends of the reinforcer, the amplification header structure is greater than the size of the reinforcer other positions.
Preferably, part of the reinforcer between two concrete filled steel tubes, axial line are at least locally wave
Shape wave or fold-line-shaped or spiral shape；
Alternatively, the reinforcer only has one end, axial line is locally at least waveform or fold-line-shaped or spiral shape.
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 penetration type connection reinforcing structure of concrete filled steel tube of the invention and sleeper block, between two connector of steel tube
The works such as lateral reinforcer, such as reinforcing bar are provided through, is embedded in sleeper block, pours during the cast in situs of in-orbit bolster
It builds and is integrated, while filling concrete in hollow steel pipe, so that between the materials such as concrete of concrete filled steel tube and sleeper block
In conjunction with more secured.
2, in the penetration type connection reinforcing structure of concrete filled steel tube of the invention and sleeper block, in the in-orbit bolster of reinforcer
Specific location be specifically designed respectively；Further study show that the reality of the concrete filled steel tube sleeper of non-fragment orbit is answered
In, steel pipe is forced outwardly, and steel pipe protrudes into that the shallower part stress of sleeper block is larger, and disease is more, which yet there are no
There is prior art report；Based on this discovery, reinforcer is partial to sleeper block as far as possible and is arranged in the inner part, specifically, from sleeper block
The reinforcer of interior direction, eccentric setting is partial at center, the inside 50-100mm apart from sleeper block, steel tube concrete at the position
The locking effect generated between soil and sleeper block is best, after train operation, can effectively reduce concrete filled steel tube and connect with sleeper block
The disease at place.Equally in the concrete sleeper block of the steel pipe of two outer diameter 40mm insertion 200mm depth, pass through practical survey
Examination applies after the load of 8t until concrete rupture steel pipe is not still extracted.By the setting of above-mentioned both sides, by steel pipe and mixed
The materials such as solidifying soil are locked, since the perforative reinforcing bar of steel duct has extended transversely into the materials such as concrete when pulling out steel pipe outward
The inside of material greatly improves the binding force of the materials such as steel pipe and concrete.
3, the penetration type connection reinforcing structure of concrete filled steel tube of the invention and sleeper block reinforces small steel by circumferential welding
The construction of stick and being specifically designed for eccentric position, are used in combination with through reinforcing bar, strengthen resultant effect；Simultaneously according to through steel
Muscle and the variation reinforced positional relationship between small rod iron, arrange quantity, realize the adjusting of reinforcement structure bonding strength, obtain
The synthesis reinforcing effect of multistage gradient, adapts to the intensity requirement of different regions, while balance is obtained in terms of loss of weight.
4, the penetration type connection reinforcing structure of concrete filled steel tube of the invention and sleeper block, passes through the vertical bar shaped of stiffener
Construction, manufacture easy to process, and by the setting of oblique reinforcing bar, the length of stiffener is increased in the sleeper block of unit-sized
Degree, increases connection fastening force, especially by the construction of the X-type cross reinforcing bar in the axial line plane of two concrete filled steel tubes,
Other than with steel pipe transverse component, also there is steel pipe longitudinal component, form planar space, effectively can resist and transmit
Vibration in train operation reduces disease.
5, the penetration type connection reinforcing structure of concrete filled steel tube of the invention and sleeper block also has a spy outstanding
Point has extended not only through two concrete filled steel tubes through reinforcing bar, has also extended through sleeper block, in this way by double-block type concrete filled steel tube sleeper
During being transported to railway roadbed construction site, the reinforcing bar stretched out on the outside of sleeper block is conducive to carry, and can be used as artificial or rope
The stress supporting point of equal tools, can pass through the reinforcing bar of outer stretching by suspenders such as ropes also during transportation come bundling sleeper,
Or sleeper is fixed in stacking process, the number of plies of an other side can be more, and single freight volume is bigger, and sleeper transport is deposited
Safety and stability during putting.During the concrete cast in situs of road bed board, by sleeper block, concrete filled steel tube, reinforcer
Exposing end pour and be integrated, the lower part of sleeper block is directly directly poured with road bed board no longer as the prior art, but
By pre-buried reinforcing bar extension end, the bonding strength between sleeper block and road bed board is strengthened.
6, the penetration type connection reinforcing structure of concrete filled steel tube of the invention and sleeper block, by multiple reinforcers as one
The construction of a entire combination plays a role, and can be combined into various whole interconnection schemes, such as both can be along steel tube concrete
The longitudinal direction of soil is successively spaced, is arranged in parallel, one on the other, longitudinally can also successively be replaced by the variation of aperture height realization,
Interval setting avoids the connection of many places crackle on sustained height from generating through length from there through the dislocation resultant force of up and down direction
Crackle is further promoted and reinforces intensity, meanwhile, still follow the arrangement principle of eccentric setting.
7, the penetration type connection reinforcing structure of concrete filled steel tube of the invention and sleeper block passes through the amplification knot of stiffener
The design of structure and its position is prevented similar to the amplifying head of Screw Pile bottom in the effect for locally playing basis and resistance sluggishness
The movement of reinforcing bar is stopped.
8, the penetration type connection reinforcing structure of concrete filled steel tube of the invention and sleeper block is extended through stiffener itself
In the middle part of the unique design of various configuration on direction, an especially reinforcer or end, partially or fully waveform, fold-line-shaped,
The configurations such as screw thread shape increase the contact length of stiffener and concrete in the sleeper block of unit-sized, improve fastening
Power to improve the bond stress between concrete filled steel tube and sleeper concrete, while ensure that the configuration of above-mentioned curve there is no harm in
Hinder the operation across two steel pipes.
Detailed description of the invention
Signal when Fig. 1 is double block sleeper in the penetration type connection reinforcing structure of concrete filled steel tube and sleeper block of the invention
Figure；
Signal when Fig. 2 is three blocks of sleepers in the penetration type connection reinforcing structure of concrete filled steel tube and sleeper block of the invention
Figure；
Fig. 3 is that concrete filled steel tube of the invention is cutd open with the side for running through reinforcer in the penetration type connection reinforcing structure of sleeper block
Depending on schematic diagram；
Fig. 4 is that the side of concrete filled steel tube and rod iron reinforcer in the penetration type connection reinforcing structure of sleeper block of the invention is cutd open
Depending on schematic diagram；
Fig. 5 is that reinforcer runs through sleeper block in the penetration type connection reinforcing structure of concrete filled steel tube and sleeper block of the invention
When side schematic cross-sectional view；
Fig. 6 is that the amplification of reinforcer end is tied in the penetration type connection reinforcing structure of concrete filled steel tube and sleeper block of the invention
The side schematic cross-sectional view of structure；
Fig. 7 is reinforcer end and middle part in the penetration type connection reinforcing structure of concrete filled steel tube and sleeper block of the invention
The side schematic cross-sectional view of enlarged structure.
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 connection reinforcing structure of a kind of concrete filled steel tube and sleeper block, the steel tube concrete for non-fragment orbit
In native sleeper, the concrete filled steel tube sleeper includes that two or more sleeper blocks 1 are mixed with more steel pipes for connecting above-mentioned sleeper block 1
Solidifying soil 2, the sleeper block 1 is formed by concreting, and the concrete filled steel tube 2 is configured to be arranged in each other using hollow steel pipe
In the manufacture mold of two adjacent sleeper blocks 1, poured during the cast in situs of the sleeper block 1 with the sleeper block 1
It is integrated, while filling concrete in the hollow steel pipe；Connection reinforcement knot is set between concrete filled steel tube 2 and sleeper block 1
Connection reinforcing structure is set between structure and/or in-orbit bolster 1 and railway roadbed.
As shown in figs. 1-7, the parts transversely of hollow steel pipe insertion sleeper block 1 is provided with aperture, part or all of two
Lateral reinforcer 3 (as shown in Figure 3) is worn in the aperture of two hollow steel pipes, is preferably welded through tapping, and most
It is partial to reinforcer 3 (as shown in Figure 1) described in interior direction, eccentric setting from center in two sleeper blocks 1 in outside, thus institute
It states in the concrete that reinforcer 3 is at least partially buried sleeper block in the casting process of the sleeper block 1, to reinforce steel tube concrete
Connection between soil 2 and sleeper block 1.As shown in Fig. 2, there are three if (or more) sleeper block, such as at track switch, due to mid-rail
Bolster and two sides sleeper block have connection, and the reinforcer in mid-rail bolster can be divided into two groups, still follow above-mentioned bias and set
The case where setting principle, respectively correspond the sleeper block of two sides, the one group of reinforcer in deviation left side is illustrated only in Fig. 2.Certainly, reinforcer
Setting should avoid pre-embedded bolt casing.
The penetration type connection reinforcing structure of concrete filled steel tube and sleeper block of the invention, is passed through between two connector of steel tube
It wears and is equipped with the works such as lateral reinforcer, such as reinforcing bar, be embedded in sleeper block, pour during the cast in situs of in-orbit bolster
It is integrated, while filling concrete in hollow steel pipe, so that the knot between the materials such as concrete of concrete filled steel tube and sleeper block
It closes more secured.In the penetration type connection reinforcing structure of concrete filled steel tube and sleeper block of the invention, to the in-orbit bolster of reinforcer
In specific location be specifically designed respectively；Further study show that the reality of the concrete filled steel tube sleeper of non-fragment orbit
In, steel pipe is forced outwardly, and steel pipe protrudes into that the shallower part stress of sleeper block is larger, and disease is more, and the discovery is also not
Seeing has prior art report；Based on this discovery, reinforcer is partial to sleeper block as far as possible and is arranged in the inner part, specifically, from sleeper
The reinforcer of interior direction, eccentric setting is partial at block center, the inside 50-100mm apart from sleeper block, and steel pipe is mixed at the position
The locking effect generated between solidifying soil and sleeper block is best, after train operation, can effectively reduce concrete filled steel tube and sleeper block connects
Connect the disease at place.Equally in the concrete sleeper block of the steel pipe of two outer diameter 40mm insertion 200mm depth, pass through reality
Test applies after the load of 8t until concrete rupture steel pipe is not still extracted.By above-mentioned both sides setting, by steel pipe with
The materials such as concrete are locked, since the perforative reinforcing bar of steel duct has extended transversely into concrete etc. when pulling out steel pipe outward
The inside of material greatly improves the binding force of the materials such as steel pipe and concrete.
Preferably, as shown in figure 4, being further fixed on the rod iron 4 of radial direction on the outer wall of the concrete filled steel tube 2；Institute
It states rod iron 4 and the position not conflicted with the aperture and the reinforcer 3 is set；And in outermost two sleeper blocks 1 therefrom
The heart is partial to rod iron 4 described in interior direction, eccentric setting.Preferably, the aperture of two hollow steel pipes is located at the same of track longitudinal direction
In one perpendicular, the reinforcer 3 is just extending transversely through two concrete filled steel tubes 2；The rod iron 4 is including multiple,
The even circumferentially distributed outer wall in the concrete filled steel tube 2, and the same perpendicular with the reinforcer 3 in track longitudinal direction
On, or with the reinforcer 3 on multiple and different perpendiculars of track longitudinal direction.Concrete filled steel tube and sleeper block of the invention
Penetration type connection reinforcing structure, the construction of small rod iron and being specifically designed for eccentric position are reinforced by circumferential welding, and run through
Reinforcing bar is used in combination, and strengthens resultant effect；Simultaneously according to positional relationship, arrangement quantity between reinforcing bar and the small rod iron of reinforcement
Variation, realize the adjusting of reinforcement structure bonding strength, obtain the synthesis reinforcing effect of multistage gradient, adapt to different regions
Intensity requirement, while balance is obtained in terms of loss of weight.
Preferably, the aperture of two hollow steel pipes is located in multiple and different perpendiculars of track longitudinal direction, is oblique aperture
(not shown), the reinforcer 3 tiltedly extend transversely through two concrete filled steel tubes 2；The rod iron 4 is circumferentially distributed including multiple
In the outer wall of the concrete filled steel tube 2, and it is located on oblique perpendicular at the oblique aperture, or is not located at institute
It states on oblique perpendicular locating for oblique aperture.Preferably, the reinforcer 3 is vertical bar shaped；Including at least such one group of friendship
Forked type reinforcer, that is, the reinforcer that two difference are tiltedly laterally arranged is in the plane locating for the axial line of two concrete filled steel tubes 2
X-type cross setting.The penetration type connection reinforcing structure of concrete filled steel tube and sleeper block of the invention, passes through the vertical bar of stiffener
Shape construction, manufacture easy to process, and by the setting of oblique reinforcing bar, stiffener is increased in the sleeper block of unit-sized
Length increases connection fastening force, especially by the structure of the X-type cross reinforcing bar in the axial line plane of two concrete filled steel tubes
Make, other than with steel pipe transverse component, also have steel pipe longitudinal component, form planar space, can effectively resist and
The vibration in train operation is transmitted, disease is reduced.
Preferably, as shown in figure 5, on the longitudinal direction of track, the sleeper block 1 is stretched out at the both ends of the reinforcer 3
Two sides, expose end, by this method, the reinforcer 3 not only run through two concrete filled steel tubes 2, also extend through sleeper block 1,
To in the casting process of road bed board, the exposing end of sleeper block 1, concrete filled steel tube 2, reinforcer 3 is poured and is integrated.This
The penetration type connection reinforcing structure of the concrete filled steel tube of invention and sleeper block, also have the characteristics that one it is prominent, run through reinforcing bar not
Two concrete filled steel tubes are only run through, have also extended through sleeper block, double-block type concrete filled steel tube sleeper is transported to railway roadbed in this way and is applied
During work scene, the reinforcing bar stretched out on the outside of sleeper block is conducive to carry, and can be used as the stress of the tools such as artificial or rope
Supporting point can pass through the reinforcing bar of outer stretching by suspenders such as ropes also during transportation come bundling sleeper or stacking process
The number of plies of middle fixed sleeper, an other side can be more, and single freight volume is bigger, and make safety during sleeper transport storage
Stablize.During the concrete cast in situs of road bed board, the exposing end of sleeper block, concrete filled steel tube, reinforcer is poured
It builds and is integrated, the lower part of sleeper block is directly directly poured with road bed board no longer as the prior art, but passes through pre-buried steel
Muscle extension end strengthens the bonding strength between sleeper block and road bed board.
Preferably, as shown in Figs. 1-2, the reinforcer 3 include it is multiple, along the longitudinal direction of the concrete filled steel tube 2 successively between
Every setting；Multiple reinforcers 3 as a whole, be partial to from the center of outermost two sleeper blocks by integral central
Interior direction, eccentric setting.Preferably, the reinforcer 3 is vertical bar shaped；Including at least such one group of parallel reinforcer, that is,
Along the longitudinal direction of the concrete filled steel tube 2, two reinforcers successively are parallel to each other.Preferably, multiple reinforcers 3 divide for place
In two groups up and down of different height, multiple apertures are also accordingly divided into two groups up and down in different height, that is, both include running through
In two concrete filled steel tubes 2, the reinforcer in the aperture of top, and including being applied in two concrete filled steel tubes 2,
Reinforcer in the aperture of lower section, and upper and lower two groups of reinforcers successively replace along the longitudinal direction of the concrete filled steel tube 2, are spaced setting, i.e.,
One on the other, longitudinal successively to replace, be spaced setting.The penetration type connection reinforcement knot of concrete filled steel tube and sleeper block of the invention
Structure is played a role by construction that multiple reinforcers combine as a whole, and can be combined into various whole interconnection sides
Case, such as both can successively be spaced, be arranged in parallel along the longitudinal direction of concrete filled steel tube, it can also be realized by the variation of aperture height
One on the other, longitudinal successively to replace, be spaced setting, from there through the dislocation resultant force of up and down direction, avoid many places on sustained height
The connection of crackle, which generates, runs through long crack, is further promoted and reinforces intensity, meanwhile, the arrangement for still following eccentric setting is former
Then.
Preferably, as shown in fig. 6-7, the shape design of the reinforcer 3 is with amplification header structure 5, the amplifying head
Structure 5 is arranged at the both ends of the reinforcer, and the size of the amplification header structure 5 is greater than the reinforcer other positions
Size.For example, reinforcer 3 is after steel pipe, the amplifying head of end can be bolt screw on or welding, the amplification at middle part
Head can be the rod iron of welding or the bolt of welding etc..The penetration type connection reinforcement knot of concrete filled steel tube and sleeper block of the invention
Structure is played similar to the amplifying head of Screw Pile bottom locally by the enlarged structure of stiffener and its design of position
The effect on basis and resistance sluggishness, it is therefore prevented that the movement of reinforcing bar.
Preferably, part of the reinforcer 3 between two concrete filled steel tubes 2, axial line are at least locally
Waveform or fold-line-shaped or spiral shape (not shown)；Alternatively, the reinforcer 3 only has one end, axial line is at least locally wave
Shape wave or fold-line-shaped or spiral shape (not shown).8, the penetration type connection reinforcement knot of concrete filled steel tube of the invention and sleeper block
Structure passes through in the middle part of the unique design of various configuration on stiffener itself extending direction, an especially reinforcer or end, office
The configurations such as portion or whole waveforms, fold-line-shaped, screw thread shape, increase stiffener and concrete in the sleeper block of unit-sized
Contact length, improve fastening force, to improve the bond stress between concrete filled steel tube and sleeper concrete, guarantee simultaneously
The configuration of above-mentioned curve does not interfere the operation across two steel pipes.
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 penetration type connection reinforcing structure of a kind of concrete filled steel tube and sleeper block, the concrete filled steel tube sleeper for non-fragment orbit
In, the concrete filled steel tube sleeper includes that two or more sleeper blocks (1) connect above-mentioned sleeper block (1) with track transverse direction
More concrete filled steel tubes (2), the sleeper block (1) are formed by concreting, and the concrete filled steel tube (2) is configured to utilize sky
Heart steel pipe is 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), which pours, to be integrated, while filling concrete in the hollow steel pipe；It is characterized by:
The parts transversely of hollow steel pipe insertion sleeper block (1) is provided with aperture, partly or entirely hollow steel pipe is opened two-by-two
It is worn in hole lateral reinforcer (3), and from interior direction is partial at center, bias is set in outermost two sleeper blocks (1)
The reinforcer (3) are set, so that the reinforcer (3) is at least partially buried sleeper in the casting process of the sleeper block (1)
In the concrete of block, to reinforce the connection between concrete filled steel tube (2) and sleeper block (1).
2. the penetration type connection reinforcing structure of concrete filled steel tube as described in claim 1 and sleeper block, it is characterised in that:
The rod iron (4) of radial direction is further fixed on the outer wall of the concrete filled steel tube (2)；The rod iron (4) is arranged not
The position to conflict with the aperture and the reinforcer (3)；And it is partial to inside from center in outermost two sleeper blocks (1)
Rod iron described in direction, eccentric setting (4).
3. the penetration type connection reinforcing structure of concrete filled steel tube as claimed in claim 2 and sleeper block, it is characterised in that:
The aperture of two hollow steel pipes is located in the same perpendicular of track longitudinal direction, and the reinforcer (3) is just extending transversely through
Two concrete filled steel tubes (2)；
The rod iron (4) includes multiple, the circumferentially distributed outer wall in the concrete filled steel tube (2), and exists with the reinforcer (3)
On the same perpendicular of track longitudinal direction, or with the reinforcer (3) on multiple and different perpendiculars of track longitudinal direction.
4. the penetration type connection reinforcing structure of concrete filled steel tube as claimed in claim 2 and sleeper block, it is characterised in that:
The aperture of two hollow steel pipes is located in multiple and different perpendiculars of track longitudinal direction, is oblique aperture, the reinforcer
(3) two concrete filled steel tubes (2) are tiltedly extended transversely through；
The rod iron (4) includes multiple, the circumferentially distributed outer wall in the concrete filled steel tube (2), and is located at the oblique aperture
On positioned oblique perpendicular, or it is not located on oblique perpendicular locating for the oblique aperture.
5. the penetration type connection reinforcing structure of concrete filled steel tube as claimed in claim 4 and sleeper block, it is characterised in that:
The reinforcer (3) is vertical bar shaped；Including at least such one group of chiasma type reinforcer, that is, two difference are tiltedly laterally arranged
Reinforcer in the plane locating for the axial line of two concrete filled steel tubes (2) in X-type cross be arranged.
6. such as the penetration type connection reinforcing structure of the described in any item concrete filled steel tubes of claim 1-2 and sleeper block, feature
It is:
On the longitudinal direction of track, the both ends of the reinforcer (3) stretch out the two sides of the sleeper block (1), expose end,
By this method, the reinforcer (3) not only runs through two concrete filled steel tubes (2), sleeper block (1) is also extended through, thus in road bed board
Casting process in, the exposing end of sleeper block (1), concrete filled steel tube (2), reinforcer (3) is poured and is integrated.
7. the penetration type connection reinforcing structure of concrete filled steel tube as claimed in claim 2 and sleeper block, it is characterised in that:
The reinforcer (3) include it is multiple, setting is successively spaced along the longitudinal direction of the concrete filled steel tube (2)；Multiple reinforcements
As a whole, integral central is from interior direction is partial at the center of outermost two sleeper blocks, bias is set for part (3)
It sets.
8. the penetration type connection reinforcing structure of concrete filled steel tube as claimed in claim 7 and sleeper block, it is characterised in that:
Multiple reinforcers (3) are divided into two groups up and down in different height, and multiple apertures are also accordingly divided into difference
Two groups up and down of height, that is, not only include be applied in two concrete filled steel tubes (2), the reinforcer in the aperture of top, but also packet
Include be applied in two concrete filled steel tubes (2), reinforcer in the aperture of lower section, and upper and lower two groups of reinforcers are mixed along the steel pipe
The longitudinal direction of solidifying soil (2) successively replaces, is spaced setting, i.e., one on the other, longitudinally successively replaces, is spaced setting.
9. the penetration type connection reinforcing structure of concrete filled steel tube as claimed in claim 2 and sleeper block, it is characterised in that:
The shape design of the reinforcer (3) is, with header structure (5) are amplified, the amplification header structure (5) is arranged at institute
The both ends of reinforcer are stated, the size of amplification header structure (5) is greater than the size of the reinforcer other positions.
10. the penetration type connection reinforcing structure of concrete filled steel tube as claimed in claim 6 and sleeper block, it is characterised in that:
Part of the reinforcer (3) between two concrete filled steel tubes (2), axial line at least locally for waveform or
Fold-line-shaped or spiral shape；
Alternatively, the reinforcer (3) only has one end, axial line is locally at least waveform or fold-line-shaped or spiral shape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536549.7A CN109457548A (en) | 2018-12-14 | 2018-12-14 | A kind of penetration type connection reinforcing structure of concrete filled steel tube and sleeper block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536549.7A CN109457548A (en) | 2018-12-14 | 2018-12-14 | A kind of penetration type connection reinforcing structure of concrete filled steel tube and sleeper block |
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| CN109457548A true CN109457548A (en) | 2019-03-12 |
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| CN201811536549.7A Pending CN109457548A (en) | 2018-12-14 | 2018-12-14 | A kind of penetration type connection reinforcing structure of concrete filled steel tube and sleeper block |
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| CN109898371A (en) * | 2019-04-11 | 2019-06-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Sleeper, sleeper tooling and sleeper production method |
| 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 |
| CN114395943A (en) * | 2021-12-14 | 2022-04-26 | 中铁第四勘察设计院集团有限公司 | Sleeper structure suitable for ballastless track |
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