CN209384033U - 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
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- CN209384033U CN209384033U CN201822104222.4U CN201822104222U CN209384033U CN 209384033 U CN209384033 U CN 209384033U CN 201822104222 U CN201822104222 U CN 201822104222U CN 209384033 U CN209384033 U CN 209384033U
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Abstract
The utility model 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 utility model belongs to non-fragment orbit correlative technology field, is related to a kind of using the multiple coagulations of concrete filled steel tube connection
The block-like technology of soil, 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.
Utility model content
For at least one of prior art the above defects or improvement requirements, it is mixed that the utility model provides a kind of steel pipe
The penetration type connection reinforcing structure of solidifying soil and sleeper block, through setting reinforcer in the hollow steel pipe of concrete filled steel tube, such as
The works such as reinforcing bar, and the position of reinforcer is specifically designed, so that the concrete etc. of concrete filled steel tube and sleeper block
Combination between material is more secured.
To achieve the above object, according to the one aspect of the utility model, a kind of concrete filled steel tube and sleeper block are provided
Penetration type connection reinforcing structure, in the concrete filled steel tube sleeper of non-fragment orbit, the concrete filled steel tube sleeper includes two
A or more sleeper block connects more concrete filled steel tubes of above-mentioned sleeper block with track transverse direction, and the sleeper block is by concrete
It pours, the concrete filled steel tube is configured to be arranged in the manufacture mold of two sleeper blocks adjacent to each other using hollow steel pipe
It is interior, it pours and is integrated with the sleeper block in the casting process of the sleeper block, while filling coagulation in the hollow steel pipe
Soil；
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, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect:
1, the penetration type connection reinforcing structure of the concrete filled steel tube of the utility model and sleeper block, in two connector of steel tube
Between be provided through the works such as lateral reinforcer, such as reinforcing bar, sleeper block is embedded to during the cast in situs of in-orbit bolster
In, pour and be integrated, while concrete is filled in hollow steel pipe so that the materials such as concrete of concrete filled steel tube and sleeper block it
Between combination it is more secured.
2, in the penetration type connection reinforcing structure of the concrete filled steel tube of the utility model and sleeper block, to reinforcer in sleeper
Specific location in block is specifically designed respectively；Further study show that the reality of the concrete filled steel tube sleeper of non-fragment orbit
In the application of border, 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
It there are no 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 rail
The reinforcer of interior direction, eccentric setting is partial at bolster center, the inside 50-100mm apart from sleeper block, steel pipe at the position
The locking effect generated between concrete and sleeper block is best, after train operation, can effectively reduce concrete filled steel tube and sleeper block
The disease of junction.Equally in the concrete sleeper block of the steel pipe of two outer diameter 40mm insertion 200mm depth, pass through reality
Border test, 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
It is locked with materials such as concrete, since the perforative reinforcing bar of steel duct has extended transversely into concrete when pulling out steel pipe outward
The inside of equal materials, greatly improves the binding force of the materials such as steel pipe and concrete.
3, the penetration type connection reinforcing structure of the concrete filled steel tube of the utility model and sleeper block is reinforced by circumferential welding
The construction of small rod iron and being specifically designed for eccentric position, are used in combination with through reinforcing bar, strengthen resultant effect；Basis is passed through simultaneously
The variation for wearing reinforcing bar and reinforcing positional relationship between small rod iron, arranging quantity, realizes the adjusting of reinforcement structure bonding strength, obtains
The synthesis reinforcing effect for obtaining 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 the concrete filled steel tube of the utility model and sleeper block, passes through the straight of stiffener
Stripwise construction, manufacture easy to process, and by the setting of oblique reinforcing bar, stiffener is increased in the sleeper block of unit-sized
Length, connection fastening force is increased, 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.
5, the penetration type connection reinforcing structure of the concrete filled steel tube of the utility model and sleeper block, it is also outstanding with one
Feature 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 rail
During pillow is 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 the tools such as rope can pass through the reinforcing bar of outer stretching by suspenders such as ropes also during transportation come bundling rail
Sleeper is fixed in pillow or stacking process, the number of plies of an other side can be more, and single freight volume is bigger, and sleeper is transported
Safety and stability during defeated storage.During the concrete cast in situs of road bed board, by sleeper block, concrete filled steel tube, add
The exposing end of strong part, which pours, to be integrated, and 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 the concrete filled steel tube of the utility model and sleeper block, is made by multiple reinforcers
It plays a role for the construction of an entire combination, and various whole interconnection schemes can be combined into, such as both can be along steel pipe
The longitudinal direction of concrete is successively spaced, is arranged in parallel, and can also be realized by the variation of aperture height and one on the other, longitudinally successively be handed over
It replaces, be spaced setting, from there through the dislocation resultant force of up and down direction, avoid the connection of many places crackle on sustained height from generating and run through
Long crack is further promoted and reinforces intensity, meanwhile, still follow the arrangement principle of eccentric setting.
7, the penetration type connection reinforcing structure of the concrete filled steel tube of the utility model and sleeper block, passes through putting for stiffener
The design of big structure and its position, similar to the amplifying head of Screw Pile bottom, in the work for locally playing basis and resistance sluggishness
With, it is therefore prevented that the movement of reinforcing bar.
8, the penetration type connection reinforcing structure of the concrete filled steel tube of the utility model and sleeper block, passes through stiffener itself
In the middle part of the unique design of various configuration on extending direction, an especially reinforcer or end, partially or fully waveform, broken line
The configurations such as shape, screw thread shape increase the contact length of stiffener and concrete in the sleeper block of unit-sized, improve tight
Gu power to improve the bond stress between concrete filled steel tube and sleeper concrete, while ensure that the configuration of above-mentioned curve not
Interfere the operation across two steel pipes.
Detailed description of the invention
When Fig. 1 is double block sleeper in the concrete filled steel tube of the utility model and the penetration type connection reinforcing structure of sleeper block
Schematic diagram；
When Fig. 2 is three blocks of sleepers in the concrete filled steel tube of the utility model and the penetration type connection reinforcing structure of sleeper block
Schematic diagram；
Fig. 3 is in the concrete filled steel tube of the utility model and the penetration type connection reinforcing structure of sleeper block through reinforcer
Side schematic cross-sectional view；
Fig. 4 is rod iron reinforcer in the concrete filled steel tube of the utility model and the penetration type connection reinforcing structure of sleeper block
Side schematic cross-sectional view；
Fig. 5 is that reinforcer runs through rail in the concrete filled steel tube of the utility model and the penetration type connection reinforcing structure of sleeper block
Side schematic cross-sectional view when bolster；
Fig. 6 is that the concrete filled steel tube of the utility model is put with reinforcer end in the penetration type connection reinforcing structure of sleeper block
The side schematic cross-sectional view of big structure；
Fig. 7 be in the concrete filled steel tube of the utility model and the penetration type connection reinforcing structure of sleeper block reinforcer end and
The side schematic cross-sectional view of middle part enlarged structure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.With reference to embodiment to this
Utility model is further described.
The utility model provides the connection reinforcing structure of a kind of concrete filled steel tube and sleeper block, the steel pipe for non-fragment orbit
In concrete sleeper, the concrete filled steel tube sleeper includes two or more sleeper blocks 1 and more steel for connecting above-mentioned sleeper block 1
Pipe concrete 2, the sleeper block 1 are formed by concreting, and the concrete filled steel tube 2 is configured to be arranged in using hollow steel pipe
In the manufacture mold of two sleeper blocks 1 adjacent to each other, during the cast in situs of the sleeper block 1 with the sleeper block 1
It pours and is integrated, while filling concrete in the hollow steel pipe；Setting connection adds between concrete filled steel tube 2 and sleeper block 1
Connection reinforcing structure is set between strong 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 the concrete filled steel tube of the utility model and sleeper block, two connector of steel tube it
Between be provided through the works such as lateral reinforcer, such as reinforcing bar, be embedded in sleeper block during the cast in situs of in-orbit bolster,
It pours 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
Combination it is more secured.In the concrete filled steel tube of the utility model and the penetration type connection reinforcing structure of sleeper block, to reinforcer
Specific location in in-orbit bolster is specifically designed respectively；Further study show that the concrete filled steel tube rail of non-fragment orbit
In the practical application of pillow, steel pipe is forced outwardly, and steel pipe protrudes into that the shallower part stress of sleeper block is larger, and disease is more, should
It was found that yet there are no 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
Ground is partial to the reinforcer of interior direction, eccentric setting, the inside 50-100mm apart from sleeper block, the position from sleeper block center
The locking effect generated between the place's of setting concrete filled steel tube and sleeper block is best, after train operation, can effectively reduce concrete filled steel tube
With the disease of sleeper block junction.Equally to be in the concrete sleeper block of the steel pipe insertion 200mm depth of two outer diameter 40mm
Example is applied after the load of 8t until concrete rupture steel pipe is not still extracted by actual test.It is set by above-mentioned both sides
It sets, lock the materials such as steel pipe and concrete, since the perforative reinforcing bar of steel duct has laterally been stretched when pulling out steel pipe outward
Enter the binding force that the materials such as steel pipe and concrete are greatly improved to the inside of the materials such as 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.The concrete filled steel tube and rail of the utility model
The penetration type connection reinforcing structure of bolster reinforces the construction of small rod iron and being specifically designed for eccentric position by circumferential welding, with
It is used in combination through reinforcing bar, strengthens resultant effect；Simultaneously according to positional relationship, arrangement between reinforcing bar and the small rod iron of reinforcement
The variation of quantity realizes the adjusting of reinforcement structure bonding strength, obtains the synthesis reinforcing effect of multistage gradient, adapts to different
The intensity requirement in area, 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 concrete filled steel tube of the utility model and the penetration type connection reinforcing structure of sleeper block, pass through stiffener
Vertical bar shaped construction, manufacture easy to process, and by the setting of oblique reinforcing bar, reinforcement steel is increased in the sleeper block of unit-sized
The length of muscle increases connection fastening force, especially by the X-type cross reinforcing bar in the axial line plane of two concrete filled steel tubes
Construction also has steel pipe longitudinal component, forms planar space, can effectively resist other than with steel pipe transverse component
Vibration in transmitting train operation, reduces disease.
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 utility model and sleeper block, also have the characteristics that one it is prominent, through steel
Muscle has extended not only through two concrete filled steel tubes, has also extended through sleeper block, is in this way transported to double-block type concrete filled steel tube sleeper
During bed construction site, the reinforcing bar stretched out on the outside of sleeper block is conducive to carry, and can be used as the tools such as artificial or rope
Stress supporting point can be passed through the reinforcing bar of outer stretching by suspenders such as ropes also during transportation come bundling sleeper, or be stacked
In the process fix sleeper, the number of plies of an other side can be more, and single freight volume is bigger, and make sleeper transport storage during
Safety and stability.During the concrete cast in situs of road bed board, by sleeper block, concrete filled steel tube, reinforcer bared end
Head, which pours, to be integrated, and 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, strengthen 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 concrete filled steel tube of the utility model and the penetration type connection reinforcement of sleeper block
Structure is played a role by construction that multiple reinforcers combine as a whole, and can be combined into various whole interconnection
Scheme, such as both can successively be spaced, be arranged in parallel along the longitudinal direction of concrete filled steel tube, it can also be real by the variation of aperture height
Now one on the other, longitudinally successively replace, be spaced setting, from there through the dislocation resultant force of up and down direction, avoiding more on sustained height
The connection for locating 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 concrete filled steel tube of the utility model is connect with the penetration type of sleeper block to be added
Strong structure is locally being risen by the enlarged structure of stiffener and its design of position similar to the amplifying head of Screw Pile bottom
The effect of basis and resistance sluggishness is arrived, 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 of the concrete filled steel tube of the utility model and sleeper block
Structure, by the unique design of various configuration on stiffener itself extending direction, especially in the middle part of a reinforcer or end,
The partially or fully configurations such as waveform, fold-line-shaped, screw thread shape increase stiffener and coagulation in the sleeper block of unit-sized
The contact length of soil, improves fastening force, to improve the bond stress between concrete filled steel tube and sleeper concrete, protects simultaneously
The configuration for having demonstrate,proved 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 above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457548A (en) * | 2018-12-14 | 2019-03-12 | 中铁第四勘察设计院集团有限公司 | A kind of penetration type connection reinforcing structure of concrete filled steel tube and sleeper block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457548A (en) * | 2018-12-14 | 2019-03-12 | 中铁第四勘察设计院集团有限公司 | A kind of penetration type connection reinforcing structure of concrete filled steel tube and sleeper block |
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