CN105421586B - A kind of profile steel concrete column at urban rail transit elevated station and preparation method thereof - Google Patents
A kind of profile steel concrete column at urban rail transit elevated station and preparation method thereof Download PDFInfo
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- CN105421586B CN105421586B CN201510658835.0A CN201510658835A CN105421586B CN 105421586 B CN105421586 B CN 105421586B CN 201510658835 A CN201510658835 A CN 201510658835A CN 105421586 B CN105421586 B CN 105421586B
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Abstract
The invention discloses a kind of preparation methods of the profile steel concrete column at urban rail transit elevated station, include the following steps：Prepare steel or steel plate to prepare the first shaped steel portion, multiple holes position for perforation is opened up on the first web；Tack welding is carried out to the first web and the first flange plate, organizes vertical first shaped steel portion；Prepare the second shaped steel portion and third shaped steel portion；The second shaped steel portion and third steel sections are assembled not in the opposite sides of first flange plate in the first shaped steel portion, form cross-shaped profile steel column；Peg is respectively welded in the first shaped steel portion, the second shaped steel portion and third shaped steel portion.The invention also discloses a kind of profile steel concrete columns at urban rail transit elevated station.Implement profile steel concrete column at urban rail transit elevated station of the present invention and preparation method thereof, profile steel concrete column has good load performance, and deformability is strong, endurance, and shock resistance is good；Meet structure safety and engineering economy, be directed to the feasibility and procedure arrangement of site operation.
Description
Technical field
The present invention relates to engineering field more particularly to a kind of build the bridge structure of unification applied to bridge and room is built in structure
The profile steel concrete column at urban rail transit elevated station and preparation method thereof.
Background technology
Since space plans demand and shape limitation, combination column with section steel and concrete structure is as a kind of great glamour
Composite structure form, with compared with prismatic armored concrete rod structure, bearing capacity and stiffness is significantly improved, and has
Standby better ductility, is increasingly applied in all kinds of building structure, to comply with urban development demand, it is ensured that structure is pacified
Entirely, very big economy, society and environmental benefit are produced.
Existing steel reinforced concrete rod structure is actually rare in the application that bridge builds the bridge structure of unification and room is built in structure,
And still there are many deficiencies in load performance, deformability, endurance and impact resistance.
Invention content
The technical problems to be solved by the invention are, provide a kind of steel reinforced concrete at urban rail transit elevated station
Column and preparation method thereof, profile steel concrete column have good load performance, and deformability is strong, endurance, and shock resistance is good；
Meet structure safety and engineering economy, be directed to the feasibility and procedure arrangement of site operation.
In order to solve the above-mentioned technical problem, the embodiment provides a kind of types at urban rail transit elevated station
Steel concrete column and preparation method thereof, combination column with section steel and concrete include：Steel column, the distributing bar for being arranged in steel column periphery
With stirrup and the concrete covering body being coated on outside steel column, distributing bar and stirrup, include the following steps：Prepare steel
Or steel plate, to prepare the first shaped steel portion, the first shaped steel portion includes the first web and is connected to the first web ends
The first flange plate；Multiple holes position for perforation is opened up on the first web；First web and the first flange plate are determined
Position weldering, the spacing between the first web splice of control seam and the first flange plate splicing seams, to avoid cross-seam and weld defect
Concentration, organize vertical first shaped steel portion；The second shaped steel portion and third shaped steel portion are prepared, the second shaped steel portion includes the second web and company
The second flange plate of the second web one end is connected on, third shaped steel portion includes third web and is connected to third web one end
Third flange plate；The second shaped steel portion and third steel sections are assembled not in the opposite sides of first web in the first shaped steel portion,
Form cross-shaped profile steel column；Peg is respectively welded in the first shaped steel portion, the second shaped steel portion and third shaped steel portion；Distributing bar
Including：The first distributing bar for being evenly spaced on the quadripolar corners position of steel column and it is evenly spaced in corresponding position on the outside of peg
On the second distributing bar, the first distributing bar diameter dimension setting more than the second distributing bar diameter dimension；Stirrup packet
It includes：The second hoop for being socketed in the first stirrup of the first distributing bar and the second distributing bar periphery and being arranged on the inside of the first stirrup
Muscle, the first stirrup and the second stirrup are set in the range of certain depth of section of the top and bottom of combination column with section steel and concrete to be added
Close region.
Wherein, the first shaped steel portion is H-shaped, and the second shaped steel portion and third shaped steel portion are by identical the first shaped steel of preparation portion
Another first shaped steel portion that step obtains forms after cutting.
Wherein, prepare steel or steel plate includes to prepare the step of the first shaped steel portion：Clear up the iron on steel or steel plate
Rust and greasy dirt, splices steel plate or steel and to spliced steel plate or steel at the model specification of confirmation steel and quality
The step of material is cut.
Wherein, opened up on the first web for perforation multiple holes position the step of using drill jig drilling by the way of, packet
It includes：Drill jig is made quenched processing by medium carbon steel and is set in template, several piece steel plate is piled up, spot welding is fixed, and uses fixture
Clamping synchronizes drilling, to improve drilling efficiency.
Wherein, in the step of carrying out tack welding to the first web and the first flange plate, determined using larger heat input
Position weldering, to prevent weld cracking；The spacing dimension that first web splice is stitched between the first flange plate splicing seams is at least 200mm,
And welding and assembling height is less than the 2/3 of weld bead height, the first shaped steel portion to be made to be no more than during group is stood, is soldered to transport
Defined deflection.
Wherein, in the step of carrying out tack welding to the first web and the first flange plate, control tack welding section ruler is further included
Very little step, to make being capable of whole remeltings after weld seam welding.
Wherein, prepare the first shaped steel portion, the second shaped steel portion or the step of third shaped steel portion further include to steel or steel plate into
Row aligning, leveling and groove open the step of processed.
Wherein, the second shaped steel portion and third steel sections are assembled not opposite the two of first flange plate in the first shaped steel portion
It is further included before the step of side, formation cross-shaped profile steel column：Remove welding region in iron rust, oxide skin, skin splashes and flash
The step of.
Wherein, the second shaped steel portion and third steel sections are assembled not opposite the two of first flange plate in the first shaped steel portion
It is further comprising the steps of after the step of side, formation cross-shaped profile steel column：Check whether cross-shaped profile steel column is deformed, if hair
It now deforms, carries out mechanical correction or using flame straightening；Wherein：During flame straightening, heating and temperature control is at 650 DEG C.
Wherein, it further includes：The step of ultrasonic examination detects, wherein：It determines inside weld seam there are during excessive defect, according to
The position of defect and depth, using grinder buffing or carbon arc air gouging removal of defects, the starting the arc in groove during soldering, when blow-out, fills up
Arc crater, fusion length are more than 100mm.
In order to solve the above technical problems, the present invention also provides another technical solution, a kind of urban rail transit elevateds
The profile steel concrete column at station builds the bridge structure of unification applied to bridge and room is built in structure, including：Steel column is arranged in type
The distributing bar and stirrup of steel column periphery and the concrete covering body being coated on outside steel column, distributing bar and stirrup；Type
Steel column includes：First shaped steel portion, the second shaped steel portion and third shaped steel portion, the first shaped steel portion include the first web and connect respectively
In the first flange plate of the first web ends, the second shaped steel portion includes the second web and is connected to the second web one end
The second flange plate, third shaped steel portion includes third web and is connected to the third flange plate of third web one end, wherein：The
Second web in two shaped steel portions and the third web in third shaped steel portion connect opposite the two of first the first flange plate of shaped steel portion respectively
Side；In the outside of first the first web of shaped steel portion, the outside of second the second flange plate of shaped steel portion and the third shaped steel portion third wing
Multiple pegs are respectively welded on the outside of listrium；Distributing bar includes：It is evenly spaced on the quadripolar corners position of steel column
First distributing bar and the second distributing bar being evenly spaced on the outside of peg on corresponding position, the diameter ruler of the first distributing bar
Very little setting is more than the diameter dimension of the second distributing bar；
Stirrup includes：It is socketed in the first stirrup of the first distributing bar and the second distributing bar periphery and is arranged on the first hoop
The uniform section of the second stirrup on the inside of muscle, the first stirrup and the second stirrup in the top and bottom of combination column with section steel and concrete is high
Encryption section is set in the range of degree.
The profile steel concrete column at urban rail transit elevated station provided by the present invention and preparation method thereof has as follows
Advantageous effect：
Firstth, it assembles by the first shaped steel portion, the second shaped steel portion and third shaped steel portion and to form cross-shaped profile steel column, periphery
The frame column component of reinforcing bar and stirrup is prepared, there is good load performance, deformability is strong, endurance, and shock resistance is good.
Secondth, branch sleeve is set in the bean column node position that combination column with section steel and concrete is connected with cruciform bracing, with
It passes through and can be fastened for the lateral main reinforcement and lengthways main steel bar of cruciform bracing, on the one hand can ensure bean column node construction peace
Entirely, reduce construction risk, on the other hand can lifting construction efficiency, save the duration.
Third, combination column with section steel and concrete and cushion cap are connected by suspension column structure, it is ensured that steel reinforced concrete combines
The accurate positionin of column can effectively bear the dead weight of urban rail transit elevated station superstructure and train moving loads,
Also there is superperformance in terms of antidetonation.
4th, it prepares and construction method is reasonable, structure safety and engineering economy can be met, be directed to site operation can
Row and procedure arrangement.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the facade structures schematic diagram of the profile steel concrete column at urban rail transit elevated of embodiment of the present invention station.
Fig. 2 is the side structure schematic diagram of the profile steel concrete column at urban rail transit elevated of embodiment of the present invention station.
Fig. 3 is the enlarged structure of the steel column of the profile steel concrete column at urban rail transit elevated of embodiment of the present invention station
Schematic diagram.
Fig. 4 is that the section structure of the arrangement of reinforcement of the profile steel concrete column at urban rail transit elevated of embodiment of the present invention station shows
It is intended to.
Fig. 5 is the arrangement of reinforcement structure of the bean column node of the profile steel concrete column at urban rail transit elevated of embodiment of the present invention station
Make schematic diagram.
Fig. 6 is the section of the profile steel concrete column A-A as shown in Figure 6 at urban rail transit elevated of embodiment of the present invention station
Structure diagram.
Fig. 7 is the section of the profile steel concrete column B-B as shown in Figure 6 at urban rail transit elevated of embodiment of the present invention station
Structure diagram.
Fig. 8 is the amplification knot of the suspension column structure of the profile steel concrete column at urban rail transit elevated of embodiment of the present invention station
Structure schematic diagram.
Fig. 9 is the section of the profile steel concrete column C-C as shown in Figure 9 at urban rail transit elevated of embodiment of the present invention station
Structure diagram.
Figure 10 is cutting for the profile steel concrete column D-D as shown in Figure 9 at urban rail transit elevated of embodiment of the present invention station
Face structure diagram.
Figure 11 is cutting for the profile steel concrete column E-E as shown in Figure 9 at urban rail transit elevated of embodiment of the present invention station
Face structure diagram.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
The invention discloses a kind of preparation method of the profile steel concrete column at urban rail transit elevated station, to prepare
The profile steel concrete column on combined structure is built applied to bridge, is included the following steps：
Step S10 prepares steel or steel plate to prepare the first shaped steel portion, and the first shaped steel portion includes the first web and difference
It is connected to the first flange plate of the first web ends；
In the present embodiment, the first shaped steel portion is H-shaped, prepares steel or steel plate wraps to prepare the step of the first shaped steel portion
It includes：Cleaning steel or iron rust on steel plate and greasy dirt, the model specification for confirming steel and quality splice steel plate or steel
And the step of being cut to spliced steel plate or steel.In addition, to design length beyond practical charging length, it must be under
The plank welded before material, does not generally allow single to splice, after the necessary whole steel plate of splicing steel plate is by splicing length splicing
It cuts again.In order to avoid cross-seam and the concentration of weld defect, the first flange plate splicing seams in the first shaped steel portion and the first abdomen
The spacing of plate splicing seams is no less than 200mm.
Step S20 opens up multiple holes position for perforation on the first web；
In the present embodiment, bean column node position and steel reinforced concrete that combination column with section steel and concrete is connected with cruciform bracing
The main reinforcement for the suspension column structure division that coupled column is connected with cushion cap and the first web position conflict in the first shaped steel portion, need to be first
Aperture is opened up on web to meet the perforation requirement of reinforcing bar.Since aperture is larger in the first shaped steel of design requirement portion, hole position is more,
Required precision is high, in manufacturing process by the way of drill jig drilling, including：Drill jig is made quenched processing by medium carbon steel and is set in
In template, several piece steel plate is piled up, spot welding is fixed, and synchronizes drilling with clamp, to improve drilling efficiency.
Step S30 carries out the first web and the first flange plate on tack welding, the first web splice of control seam and first edge of a wing
Spacing between plate splicing seams to avoid cross-seam and the concentration of weld defect, organizes vertical first shaped steel portion；
When it is implemented, the first shaped steel portion group should be noted that the mutual alignment of the first flange plate and the first web immediately, the
The spacing of one flange plate splicing seams and the first web splice seam is no less than 200mm.During the first shaped steel portion tack welding, welding and assembling height
Weld bead height 2/3 is must not exceed, group is to there is the high size that groove is not to be exceeded of the weld seam of groove weldering.The intensity requirement of tack welding is
Defined deformation cannot be snapped and have more than by being stood from the first shaped steel portion group to welding transport process, and the positions and dimensions of tack welding should
Not influence welding quality as principle, therefore tack welding sectional dimension should not be too large, and answer strict control of quality, so that weld seam is applied
Postwelding can be by its whole remelting.Location welding rod should be identical with welding electrode.Tack welding is since fusion length is short, section is small, cooling
Speed is fast, weld seam easily cracks, it should larger heat input be selected to carry out tack welding, opened to prevent weld seam.
Step S40, prepares the second shaped steel portion and third shaped steel portion, and the second shaped steel portion includes the second web and is connected to the
Second flange plate of two web one ends, third shaped steel portion include third web and are connected to the third wing of third web one end
Listrium.
In the present embodiment, the second shaped steel portion and third steel sections are not T-shaped.Second shaped steel portion and third shaped steel portion can
It is obtained by cutting the first shaped steel portion.Specifically, the first shaped steel portion can select wide width wing edge hot rolled H-shaped or welded H section steel；
Second shaped steel portion and third shaped steel portion can form the first shaped steel portion from subdivision among the first web, can also directly use
Steel plate is welded into T-shaped.In the present embodiment, two piece of first identical shaped steel portion of shape and structure is prepared first, steel plate is welded into H-type
Then one of H profile steel is cut into two pieces of T-steels by steel, form the second shaped steel portion and third shaped steel portion.It is anti-during cutting
It only deforms, facilitate drilling, do not cut off in the intermediate and each reserved 100mm in both ends, after cooling row cutting again.T-steel after cutting
It is aligned, leveling and groove open system, and technique is the same as the first shaped steel portion.
Step S50 assembles the second shaped steel portion and third steel sections not in the phase of first flange plate in the first shaped steel portion
To both sides, cross-shaped profile steel column is formed；
Second shaped steel portion and third shaped steel portion and first web in the first shaped steel portion are welded, so as to obtain in cross
The steel column of shape.In the present embodiment, steel column uses Q345B grades of steel, can so reduce error, reduce cost, make assembling more
It is convenient.
When it is implemented, first check for need to assembling the first shaped steel portion, the second shaped steel portion and third shaped steel portion whether
Correction is qualified, and whether appearance and size reaches requirement is checked qualification on inspection, and by welding region all iron rust, oxidation
After the eliminating impurities such as skin, skin splash, flash are clean, it can start to assemble cross column.
After the completion of welding, check whether cross column is deformed.Such as find to deform, using forcing press carry out mechanical correction or
Using flame straightening, during flame straightening, heating and temperature control is at 650 DEG C.When torsional deformation is corrected, one end is fixed, and the other end is adopted
It is corrected with jack, the first shaped steel portion, the second shaped steel portion and third shaped steel portion use identical correction mode.
Peg is respectively welded in the first shaped steel portion, the second shaped steel portion and third shaped steel portion in step S60.
When it is implemented, the outside of the outside of first the first flange plate of shaped steel portion, second the second flange plate of shaped steel portion with
And peg is respectively welded on the outside of third shaped steel portion third flange plate, in the present embodiment, every block of flange plate is set from top to bottom
There are two rows of pegs, and it is uniformly placed equidistant with in-between.That is, 8 pegs are set on the section of each steel column, and
It is welded with flange plate.The effect of peg is to ensure the reliable and common work of the power transmission between steel column and outer concrete covering body
The shearing resistance cut piece made and set, in order to which the joint load that steel column undertakes smoothly is passed to Steel section member.
Preferably, in the present embodiment, determine that the longitudinal direction between adjacent two pegs T is (along steel column 11 through anti-shearing calculate
Extending direction) spacing is configured by no more than 150mm, to play its shear behavior to greatest extent.
Preferably, in order to ensure that welding connects voltage stability, the power supply of melting welding peg machine should individually be laid.First shaped steel
The oil stain in portion, the second shaped steel portion and third shaped steel portion upper surface should be removed, without dew, rainwater, oil and other influences weld seam
The spot of quality.It is required that relative air humidity is no more than 85%.
Further, it further includes：The step of ultrasonic examination detects, wherein：To determining to deposit inside weld seam through nondestructive inspection
It should be reprocessed in excessive defect, same position number of rewelding is no more than twice.It determines inside weld seam there are during excessive defect,
According to the position of defect and depth, using grinder buffing or carbon arc air gouging removal of defects, the starting the arc in groove during soldering, during blow-out
Arc crater is filled up, fusion length is more than 100mm.
Further, it further includes：The former of component is marked in the first shaped steel portion, the second shaped steel portion and third shaped steel portion to compile
Number, available label or paint is marked directly to write, it when necessary can Marked Weight, position of centre of gravity and telltale mark.To steel structure before manufacture
Part carries out an acceptance inspection, and preassembling is carried out in factory, checks whether and meets design size and total quality situation.
With reference to shown in referring to Fig. 1-Figure 11, for the type at urban rail transit elevated station obtained by above-mentioned preparation method
The embodiment one of steel concrete rod structure.
The profile steel concrete column at the urban rail transit elevated station in the present embodiment is applied to the bridge knot that bridge builds unification
Structure and room are built in structure.Wherein：Bridge is built combined structure and is referred to：Structure combination, the bent cap of bridge, pier stud, basis are built in bridge and room
Structure is built for bridge structure and room to share, the transverse frame of bridge builds the sky that structural beam slab one-piece casting formed by longitudinal room
Between frame system, as Figure 1-Figure 2.
Urban rail transit elevated station in the present embodiment is using lateral single span compound steel tendon concrete frame structure type
Formula, the overall length at station is 186m, wide 18.2m.Wherein：One layer of ground is set as device rooms, and F2/B2 is station hall layer, ground three
Layer is station layer, and station hall layer is equipped with column, cruciform bracing, the structures such as longitudinal framing beam and cable interlayer, and station layer is equipped with row
The structures such as track layer cruciform bracing, track girder and longitudinal framing beam during practical application, can be adjusted.Meanwhile above structure
In in can be designed by the track girder and its supporting structure that train load is affected by existing railway bridges and culverts specification, arranged
The influence of vehicle load is smaller can be designed down to impregnable general building structure component by Current Building ' specification.
Further, the profile steel concrete column at the urban rail transit elevated station in the present embodiment, including：It is cushion cap 2, tight
Gu combination column with section steel and concrete 1 on cushion cap 2 and the cruciform bracing 3 being fastened on combination column with section steel and concrete 1.
Wherein, as shown in figure 3, combination column with section steel and concrete 1 includes：Steel column 11, the structure for being arranged in 11 periphery of steel column
The concrete covering body 14. made reinforcing bar and stirrup and be coated on outside steel column 11, distributing bar and stirrup
Steel column 11 includes：First shaped steel portion 111, the second shaped steel portion 112 and third shaped steel portion 113, the first shaped steel portion
111 include the first web 111a and are connected to the first flange plate 111b of the first web 111a ends, Second-Type
Steel portion 112 includes the second web 112a and is connected to the second flange plate 112b of the second web 112a one ends, third shaped steel portion
113 include third web 113a and are connected to the third flange plate 113b of third web 113a one ends, wherein：
The second web 112a in the second shaped steel portion 112 and the third web 113a in third shaped steel portion 113 connect first respectively
The opposite sides of 111 first web 111a of shaped steel portion.
In the present embodiment, the first shaped steel portion 111 is H-shaped, and the second shaped steel portion 112 and third shaped steel portion 113 distinguish T-shaped.
In the specific implementation, the second shaped steel portion 112 and third shaped steel portion 113 can be obtained by cutting the first shaped steel portion 111.Specifically
Ground, wide width wing edge can be selected hot rolled H-shaped for the first shaped steel portion 111 or welded H section steel；Second shaped steel portion 112 and third shaped steel
Portion 113 can form the first shaped steel portion 111 from subdivision among the first web 111a, directly can also be welded into T using steel plate
Type.
In this implementation, two piece of first identical shaped steel portion 111 of shape and structure is prepared first, steel plate is welded into H profile steel, so
One of H profile steel is cut into two pieces of T-steels afterwards, the second shaped steel portion 112 and third shaped steel portion 113 are formed, finally second
Shaped steel portion 112 and third shaped steel portion 113 and the first web 111a in the first shaped steel portion 111 are welded, so as to obtain in cross
The steel column of shape.In the present embodiment, steel column 11 uses Q345B grades of steel, can so reduce error, reduce cost, make assembling
It is more convenient.
Further, in the outside of 111 first flange plate 111b of the first shaped steel portion, 112 second flange plate of the second shaped steel portion
It is respectively welded peg T on the outside of the 113 third flange plate 113b of outside and third shaped steel portion of 112b, in the present embodiment,
Every block of flange plate is equipped with two rows of peg T from top to bottom, and it is uniformly placed equidistant with in-between.That is, each steel column
8 peg T on 11 section are set, and are welded with flange plate.The effect of peg T is to ensure steel column 11 and external coagulation
The shearing resistance cut piece that power transmission between native covering body 14 is reliably set with co-operation, for the joint load for undertaking steel column 1
Smoothly pass to Steel section member.
Preferably, in the present embodiment, determine that the longitudinal direction between adjacent two pegs T is (along steel column 11 through anti-shearing calculate
Extending direction) spacing is configured by no more than 150mm, to play its shear behavior to greatest extent.
As shown in figure 4, the distributing bar for being arranged in 11 periphery of steel column is set along the extending direction of profile steel concrete column 1,
It includes：It the first distributing bar 121 for being evenly spaced on the quadripolar corners position of steel column 11 and is evenly spaced on the outside of peg T
The second distributing bar 122 on corresponding position.In the present embodiment, the diameter dimension of the first distributing bar 121 is 28mm, section
Line is in horn shape, and the diameter dimension of the second distributing bar 122 is 22mm, and section line is linear.Distributing bar is set, and will
The effect of diameter dimension of the diameter dimension setting more than the second distributing bar 122 of first distributing bar 121 be：Confined concrete
Covering body 14, ensure distributing bar and steel column 11 can preferably collective effect, prevent concrete covering body 14 in failure stage
It is serious to peel off, ensure the plastic deformation ability of steel column 11.
The extending direction of the stirrup being socketed on distributing bar along profile steel concrete column 1, which is arranged, to be set, including：It is socketed in
First stirrup 131 of 122 periphery of the first distributing bar 121 and the second distributing bar and it is arranged on the of 131 inside of the first stirrup
The uniform section of two stirrups 132, the first stirrup 131 and the second stirrup 132 in the top and bottom of combination column with section steel and concrete is high
Encryption section is set in the range of degree.
Setting the effect of stirrup is：Confined concrete covering body 14 ensures that distributing bar can be preferably total to steel column 11
Same-action prevents concrete covering body 14 from seriously being peeled off in failure stage, ensures the plastic deformation ability of steel column 11.
Preferably, the spacing in encryption section between the first stirrup 131 and the second stirrup 132 is more than 131 He of the first stirrup
The spacing of second stirrup 132 in other regions.In the present embodiment, the diameter of the first stirrup 131 and the second stirrup 132 is respectively
14mm, spacing is 100mm-200mm between the first stirrup 131 and the second stirrup 132；11 top and bottom of steel column are apart from end
Implement stirrup encryption in the range of 1.5 times of depth of sections, encrypt the spacing between part the first stirrup 131 and the second stirrup 132
For 200mm/300mm, effect is to consider the needs of antidetonation, strengthen rigidity.
Further, the bean column node position that combination column with section steel and concrete 1 is connected with cruciform bracing 3 set with for
The first branch sleeve 4 that the lateral main reinforcement 31 and lengthways main steel bar 32 of cruciform bracing are passed through and fastened.As illustrated in figs. 5-7.The
The effect of one branch sleeve 4 is on the basis of 11 intensity of steel column is ensured, takes into account and reduces the loss of shaped steel section, and convenient for applying
Work.
Preferably, lateral horizontal stiffener and/or the level of longitudinal direction is set to add respectively around the first branch sleeve 4
Strength rib 5 can enhance the rigidity of bean column node.
Further, combination column with section steel and concrete 1 is connected with cushion cap 2 by suspension column structure, as illustrated in figs. 8-11.Its
In, suspension column structure includes：It is connected to 113 the same side of the first shaped steel portion 111, the second shaped steel portion 112 and third shaped steel portion
The bottom plate 61 of end, anchor bolt backing plate 62 and pedestal anchor bolt 63, wherein：Anchor bolt backing plate 62 welds the quadripolar corners for being connected in bottom plate 61, column
Foot anchor bolt 63 passes through anchor bolt backing plate 62 and bottom plate 61 to lock.
Preferably, suspension column structure further includes：With for the first flange plate 111b, the second flange plate 112b and
The second branch sleeve 64 that the lateral main reinforcement and/or lengthways main steel bar that three flange plate 113b intersect are passed through and fastened.Second connects
The effect of female connector cylinder 64 is on the basis of suspension column structural strength is ensured, takes into account and reduces the loss of shaped steel section, and convenient for construction.
Preferably, lateral horizontal stiffener and/or the level of longitudinal direction are set respectively around the second branch sleeve 64
Ribbed stiffener 65 can enhance the rigidity of suspension column structure.
The profile steel concrete column at urban rail transit elevated station provided by the present invention and preparation method thereof has as follows
Advantageous effect：
Firstth, it assembles by the first shaped steel portion, the second shaped steel portion and third shaped steel portion and to form cross-shaped profile steel column, periphery
The frame column component of reinforcing bar and stirrup is prepared, there is good load performance, deformability is strong, endurance, and shock resistance is good.
Secondth, branch sleeve is set in the bean column node position that combination column with section steel and concrete is connected with cruciform bracing, with
It passes through and can be fastened for the lateral main reinforcement and lengthways main steel bar of cruciform bracing, on the one hand can ensure bean column node construction peace
Entirely, reduce construction risk, on the other hand can lifting construction efficiency, save the duration.
Third, combination column with section steel and concrete and cushion cap are connected by suspension column structure, it is ensured that steel reinforced concrete combines
The accurate positionin of column can effectively bear the dead weight of urban rail transit elevated station superstructure and train moving loads,
Also there is superperformance in terms of antidetonation.
4th, it prepares and construction method is reasonable, structure safety and engineering economy can be met, be directed to site operation can
Row and procedure arrangement.
Claims (11)
1. a kind of preparation method of the profile steel concrete column at urban rail transit elevated station, unification is built to application and preparation in bridge
Profile steel concrete column in structure, combination column with section steel and concrete include：Steel column, the distributing bar for being arranged in steel column periphery and
Stirrup and the concrete covering body being coated on outside steel column, distributing bar and stirrup, which is characterized in that including following step
Suddenly：
Prepare steel or steel plate to prepare the first shaped steel portion, the first shaped steel portion includes the first web and is connected to institute
State the first flange plate of the first web ends；
Multiple holes position for perforation is opened up on first web；
Tack welding is carried out to first web and first flange plate, the first web splice of control seam and the first flange plate are spelled
Spacing between seam to avoid cross-seam and the concentration of weld defect, is organized and founds the first shaped steel portion；
The second shaped steel portion and third shaped steel portion are prepared, the second shaped steel portion includes the second web and is connected to second abdomen
Second flange plate of plate one end, the third shaped steel portion include third web and are connected to the of the third web one end
Three flange plates；
The second shaped steel portion and the third steel sections are assembled not in first web in the first shaped steel portion
Opposite sides forms cross-shaped profile steel column；
Peg is respectively welded in the first shaped steel portion, the second shaped steel portion and the third shaped steel portion；
Distributing bar includes：The first distributing bar for being evenly spaced on the quadripolar corners position of steel column and it is evenly spaced in peg
The second distributing bar on the corresponding position of outside, the diameter dimension setting of the first distributing bar are more than the diameter of the second distributing bar
Size；
Stirrup includes：It is socketed in the first stirrup of the first distributing bar and the second distributing bar periphery and is arranged in the first stirrup
Second stirrup of side, the first stirrup and the second stirrup are in certain depth of section model of the top and bottom of combination column with section steel and concrete
Enclose interior setting encryption section.
2. the preparation method of the profile steel concrete column at urban rail transit elevated station as described in claim 1, feature exist
In the first shaped steel portion is H-shaped, and the second shaped steel portion and the third shaped steel portion identical prepare described by described
Another first shaped steel portion that the step of one shaped steel portion obtains forms after cutting.
3. the preparation method of the profile steel concrete column at urban rail transit elevated station as described in claim 1, feature exist
In the preparation steel or steel plate include to prepare the step of the first shaped steel portion：Clear up the iron rust on the steel or steel plate
With greasy dirt, confirm the steel model specification and quality, the steel plate or steel are spliced and to the splicing after
Steel plate or steel the step of being cut.
4. the preparation method of the profile steel concrete column at urban rail transit elevated station as described in claim 1, feature exist
In, it is described opened up on first web for perforation multiple holes position the step of using drill jig drilling by the way of, including：
Drill jig is made quenched processing by medium carbon steel and is set in template, several piece steel plate is piled up, spot welding is fixed, and uses clamp
Drilling is synchronized, to improve drilling efficiency.
5. the preparation method of the profile steel concrete column at urban rail transit elevated station as described in claim 1, feature exist
In described in the step of first web and first flange plate progress tack welding, larger heat input being used to carry out
Tack welding, to prevent weld cracking；
Spacing dimension between the first web splice seam and the first flange plate splicing seams is at least 200mm, and weld
Height is less than weld bead height 2/3 is connect, the first shaped steel portion to be made to be no more than rule during group is stood, is soldered to transport
Fixed deflection.
6. the preparation method of the profile steel concrete column at urban rail transit elevated station as claimed in claim 5, feature exist
In described in the step of first web and first flange plate progress tack welding, further including control tack welding section
The step of size, to make being capable of whole remeltings after weld seam welding.
7. the preparation method of the profile steel concrete column at urban rail transit elevated station as described in claim 1, feature exist
In, the first shaped steel portion of the preparation, the second shaped steel portion or the step of third shaped steel portion further include steel or steel plate are aligned,
Leveling and groove open the step of processed.
8. the preparation method of the profile steel concrete column at urban rail transit elevated station as described in claim 1, feature exist
In the assembling the second shaped steel portion and the third steel sections are not on first edge of a wing in the first shaped steel portion
It is further included before the step of opposite sides of plate, formation cross-shaped profile steel column：Remove iron rust, oxide skin, the skin in welding region
It splashes and the step of flash.
9. the preparation method of the profile steel concrete column at urban rail transit elevated station as claimed in claim 8, feature exist
In the assembling the second shaped steel portion and the third steel sections are not on first edge of a wing in the first shaped steel portion
It is further comprising the steps of after the step of opposite sides of plate, formation cross-shaped profile steel column：
It checks whether cross-shaped profile steel column is deformed, if finding deformation, carries out mechanical correction or using flame straightening；Wherein：
During flame straightening, heating and temperature control is at 650 DEG C.
10. the preparation method of the profile steel concrete column at urban rail transit elevated station as described in claim 1, feature exist
In further including：The step of ultrasonic examination detects, wherein：It determines inside weld seam there are during excessive defect, according to the position of defect
And depth, using grinder buffing or carbon arc air gouging removal of defects, the starting the arc in groove during soldering, when blow-out, fills up arc crater, weld seam
Length is more than 100mm.
11. a kind of profile steel concrete column at urban rail transit elevated station, builds the bridge structure of unification applied to bridge and room is built
In structure, which is characterized in that including：
Steel column, the distributing bar for being arranged in the steel column periphery and stirrup and it is coated on the steel column, distributing bar
With the concrete covering body outside stirrup；
The steel column includes：First shaped steel portion, the second shaped steel portion and third shaped steel portion, the first shaped steel portion include first
Web and the first flange plate for being connected to the first web ends, the second shaped steel portion include the second web
With the second flange plate for being connected to the second web one end, the third shaped steel portion includes third web and is connected to described
The third flange plate of third web one end, wherein：
Second web in the second shaped steel portion and the third web in the third shaped steel portion connect the first shaped steel portion respectively
The opposite sides of first web；
In the outside of first flange plate of the first shaped steel portion, the outside of second flange plate of the second shaped steel portion and described
Multiple pegs are respectively welded on the outside of three shaped steel portion third flange plates；
Distributing bar includes：The first distributing bar for being evenly spaced on the quadripolar corners position of steel column and it is evenly spaced in peg
The second distributing bar on the corresponding position of outside, the diameter dimension setting of the first distributing bar are more than the diameter of the second distributing bar
Size；
Stirrup includes：It is socketed in the first stirrup of the first distributing bar and the second distributing bar periphery and is arranged in the first stirrup
Second stirrup of side, the first stirrup and the second stirrup are in certain depth of section model of the top and bottom of combination column with section steel and concrete
Enclose interior setting encryption section.
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| CN106437029A (en) * | 2016-08-31 | 2017-02-22 | 绍兴职业技术学院 | Structural steel stiffness concrete structure |
| PL3526418T3 (en) * | 2016-10-14 | 2022-05-23 | Arcelormittal | Steel reinforced concrete column |
| CN109057156B (en) * | 2017-01-03 | 2020-08-14 | 广东南岭建设工程有限公司 | Construction method of concrete column for improving torsion-resistant bearing capacity |
| CN108788626A (en) * | 2017-04-28 | 2018-11-13 | 北京智慧云建科技有限公司 | A kind of technique of Steel section member manufacturing procedure Forward |
| CN107974931B (en) * | 2017-11-23 | 2019-05-31 | 南京工业大学 | Self-energy-consumption high pier structure system with post-earthquake recoverable performance |
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| CN108978997A (en) * | 2018-08-16 | 2018-12-11 | 广州五羊钢结构有限公司 | A kind of composite steel column and its processing method |
| CN110984383A (en) * | 2019-11-28 | 2020-04-10 | 中建八局第一建设有限公司 | Large-section steel reinforced concrete column and beam joint construction structure and method |
| CN111188258A (en) * | 2020-02-17 | 2020-05-22 | 河南省交通规划设计研究院股份有限公司 | Novel assembled bridge substructure |
| CN114193635B (en) * | 2021-12-23 | 2024-03-12 | 国泰新点软件股份有限公司 | Method and device for cutting middle beam of constructional engineering |
| CN114250912B (en) * | 2021-12-30 | 2023-03-21 | 扬州大学 | Prefabricated section steel concrete column and composite structure |
| CN115383407B (en) * | 2022-09-05 | 2023-09-12 | 中车大连机车车辆有限公司 | Machining and manufacturing method of wall-mounted cross crane beam |
| CN116180873B (en) * | 2023-04-27 | 2023-07-14 | 矿冶科技集团有限公司 | Derrick and frame type drainage well |
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| CN1963104A (en) * | 2006-12-08 | 2007-05-16 | 北京工业大学 | Profiled steel concrete profiled pile and method for making same |
| JP5327600B2 (en) * | 2008-12-08 | 2013-10-30 | 清水建設株式会社 | Reinforcement structure of concrete structure using fiber sheet |
| CN103452243A (en) * | 2013-09-16 | 2013-12-18 | 南京工业大学 | Cross-shaped section steel rib concrete special-shaped column with quadrilateral holes in steel rib web |
| CN103711215B (en) * | 2013-12-19 | 2016-01-13 | 北京工业大学 | Easily steel shaped pile frame-accentric support frame is repaired after a kind of shake |
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