CN106894507A - The connecting joint structure and construction method of girder steel and column - Google Patents
The connecting joint structure and construction method of girder steel and column Download PDFInfo
- Publication number
- CN106894507A CN106894507A CN201710246499.8A CN201710246499A CN106894507A CN 106894507 A CN106894507 A CN 106894507A CN 201710246499 A CN201710246499 A CN 201710246499A CN 106894507 A CN106894507 A CN 106894507A
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- girder steel
- column
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- bolt
- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 168
- 239000010959 steel Substances 0.000 title claims abstract description 168
- 238000010276 construction Methods 0.000 title claims description 9
- 239000004567 concrete Substances 0.000 claims abstract description 47
- 238000013461 design Methods 0.000 claims abstract description 15
- 239000004575 stone Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000011150 reinforced concrete Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of girder steel and the connecting joint structure of column, including girder steel and the column being fixed on below girder steel, the bottom surface of the end of girder steel is plane, also include crab-bolt, channel-section steel, leveling nut and fixing nut, imbed the top of column in the lower end of crab-bolt, the upper end of column is provided with a back pouring hole, the bottom surface of the end of girder steel has channel-section steel, in the back pouring hole of the lower end insertion column of channel-section steel, the end of girder steel is held on leveling nut, fixing nut is screwed with crab-bolt and positioned at girder steel top, the distance between girder steel and column are adjusted by leveling nut, girder steel is connected with column by fixing nut；A concrete layer is poured in space between channel-section steel, girder steel and column；The stress performance of the column of girder steel of the invention and column connecting node similar to framed bent, but girder steel stress performance similar to arch, there is horizontal force, thus stress performance is slightly different with framed bent, the connecting node stress of present invention design is clear and definite, workable.
Description
Technical field
The invention belongs to building structure technology field, it is related to a kind of architectural engineering and combining structure.
Background technology
As being continuously increased for China's steel yield is perfect with continuing to develop for long strands, steel construction has been obtained rapidly
Development, industry and civil buildings in applications it is more and more, newly constructed the factory buildings and large span venue at some, more also change
In making the enlarging of project and adding layer to construct, there is the connection of increasing steel construction and former xoncrete structure, such as concrete
The connection of the connection of post and steel column, the connection of steel column and beams of concrete, girder steel and concrete column, these connections are mostly by chemistry
Crab-bolt or expansion bolt are connected.
Wherein, the connected mode of traditional girder steel and concrete column is portal-rigid frames (Fig. 1) or bent structure (Fig. 2), but
Both modes, it is not ideal at aspects such as speed of application, cost, thermal-insulating waterproof effect and compressive properties；Therefore in recent years, it is long
The more single storey industry workshop in tessellated region uses the structure type of reinforced concrete pile herringbone girder steel, due to this structure both not gate
Formula rigid frame (Fig. 1), and unconventional bent structure (Fig. 2), on the one hand, the connecting node of existing reinforced concrete pile herringbone girder steel
Processing mode be girder steel one end with it is concrete column articulated, the other end is slide hinged with post, but this kind of method is cumbersome, and construction is multiple
It is miscellaneous；On the other hand, although the structure of this reinforced concrete pile herringbone girder steel takes full advantage of the compressive property and steel of concrete column
The anti-bending strength of beam, but the regulation of respective standard is made in calculating and construction of the national regulation not yet to this node, does not also have
Ready-made specification or the maps and census records of the border regions can be quoted directly.
The content of the invention
The present invention solves the technical problem of the connecting joint structure for providing a kind of girder steel and column, steel of the invention
The stress performance of the column of beam and column connecting node similar to framed bent, but girder steel stress performance similar to arch, there is level
Power, thus stress performance is slightly different with framed bent, the connecting node stress of present invention design is clearly, workable, big
Applied in amount engineering, in practice it has proved that its is safe and reliable, and similar item can be used for reference, and is particularly well-suited to the girder steel of single storey industry workshop
With the connecting joint structure of column.
In order to solve the above technical problems, one aspect of the present invention is：The company of a kind of girder steel and column is provided
Connect node structure, including girder steel and the column that is fixed on below the girder steel, the bottom surface of the end of the girder steel is plane, and steel
The end of beam has leading flank and trailing flank, also including crab-bolt, channel-section steel, leveling nut and fixing nut, the crab-bolt be provided with to
Few four, the quantity of the quantity of the leveling nut and the quantity of the fixing nut all with the crab-bolt is identical, the girder steel
End bottom surface have perforate corresponding with the crab-bolt；
The top of the column is imbedded in the lower end of the crab-bolt, and the upper end of each crab-bolt is screwed with a leveling spiral shell
Mother, the centre position of the upper end of the column is provided with a back pouring hole, and the centre position of the bottom surface of the end of the girder steel has institute
Channel-section steel is stated, the lower end of the channel-section steel is inserted in the back pouring hole of the column, and the perforate of the bottom surface of the end of the girder steel is placed on
In the crab-bolt, the bottom surface of the end of the girder steel is held on the leveling nut, in the crab-bolt and positioned at the girder steel
Top is screwed with the fixing nut, the distance between the girder steel and described column is adjusted by the leveling nut, by institute
State fixing nut the girder steel is connected with the column；
A concrete layer is poured in space between the channel-section steel, the girder steel and the column；
The depth that the crab-bolt imbeds in the column is 20-30 times of the crab-bolt diameter；The crab-bolt it is a diameter of
24mm, the height of the channel-section steel is 100mm, length is 100mm and width is 48mm, and the wall thickness of the channel-section steel is 10mm, described
The depth of back pouring hole is 90mm, length is 140mm and width is 90mm, the upper surface of the column and the end of the girder steel
The vertical range of bottom surface is 50mm.
Further say, also including purlin, the purlin is fixed between the girder steel and roof color steel.
Further say, the perforate of the girder steel is the slotted hole of Φ 25.5mm × 50mm.
Further say, the concrete layer is C40 microdilatancy fine-stone concretes.
Further say, the crab-bolt is provided with four.
Further say, the column is armored concrete concrete post, the girder steel behaviour font girder steel.
Present invention also offers a kind of described girder steel and the construction method of the connecting joint structure of column, according to following steps
Suddenly carry out：
S1. pouring reinforcement concrete concrete post, while being poured after the middle part of the upper end of armored concrete concrete post reserves
Hole, while pre-buried four crab-bolts, pre-hardening 2-8h；
S2. condense 7 days, the intensity of armored concrete concrete post is reached the 75% of design strength；
S3. a leveling nut is all covered in each crab-bolt, then girder steel is placed in crab-bolt, then according to design requirement by adjusting
Save the position of leveling nut, and then adjust the levelness of girder steel and the distance between with column；
S4. a fixing nut is covered again in each crab-bolt, girder steel is fixed；
S5. casting concrete in the space between girder steel and column, condenses 7 days.
The beneficial effects of the invention are as follows：
The bottom surface of girder steel the firstth, of the invention offers slotted hole, mainly easy for installation, girder steel before being twisted eventually due to crab-bolt
Horizontal stretch deformation is had under Gravitative Loads, this aspect can reduce the horizontal thrust of column top, and column is favourable；Separately
On the one hand girder steel mid span moment and amount of deflection can be made to increase；Because this horizontal force is smaller, so this influence is also smaller, steel is designed
Liang Shike solves the problems, such as amount of deflection by arch camber, and intensity surplus meets requirement；
Secondth, the horizontal force between girder steel and column is transmitted by the frictional force between girder steel and column, if the friction
Power not enough, then must set shear key, because crab-bolt can not transmit horizontal force, and because steel beam bottom of the invention offers length
Circular hole, can reduce column top horizontal thrust, i.e., frictional force reduces, it is not necessary to sets shear key, can just meet design requirement, applies
Work is relatively easy, and the duration is relatively short, easily realizes；
3rd, channel-section steel of the invention, pour a concrete layer in the space between girder steel and column, and be microdilatancy microlith
Concrete, strengthens the intensity of connecting node；
Connected mode between 4th, girder steel of the invention and column is easily real when causing using software modelings such as PKPM
It is existing, each parameter can be precalculated, it is ensured that the accuracy of design and the safety and stability of engineering；
5th, the speed of application of reinforced concrete pile of the invention and herringbone steel beam connecting joint is fast, and cost is small, is incubated, prevents
Preferably, application is more and more extensive at present for water effect；
6th, the bottom surface of the girder steel of connecting node of the invention has a channel-section steel, can transmit between girder steel and column
Shearing, strengthens the weight capacity of girder steel and the anti-bending strength of girder steel.
The stress performance of the column of girder steel of the invention and column connecting node similar to framed bent, but girder steel stress performance
Similar to arch, there is horizontal force, thus stress performance is slightly different with framed bent, beam-column connection way currently there are no ready-made
Specification or the maps and census records of the border regions, the present invention design connecting node stress clearly, it is workable, applied in a large amount of engineerings, put into practice
Prove that its is safe and reliable, similar item can be used for reference.
Described above is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is one of structural representation of prior art；
Fig. 2 is one of structural representation of prior art；
Fig. 3 is overall structure diagram of the invention；
Fig. 4 is plan of the invention；
Fig. 5 is sectional side view of the invention；
Fig. 6 is the A portions enlarged drawing of Fig. 5；
Each several part mark is as follows in accompanying drawing：
Girder steel 1, channel-section steel 11, perforate 12, column 2, back pouring hole 21, crab-bolt 3, leveling nut 4, fixing nut 5, concrete layer
6th, purlin 7, wall 8 and roof color steel 9.
Specific embodiment
Specific embodiment of the invention is illustrated below by way of particular specific embodiment, those skilled in the art can be by this
Content disclosed in specification understands advantages of the present invention and effect easily.The present invention can also other different modes give
Implement, i.e. without departing substantially from different modifications under the scope of disclosed, being given and changed.
Embodiment：The connecting joint structure of a kind of girder steel and column, as seen in figures 3-6, including girder steel 1 and is fixed on described
Column 2 below girder steel, the bottom surface of the end of the girder steel 1 is plane, and the end of girder steel 1 has leading flank and trailing flank,
Also include crab-bolt 3, channel-section steel 11, leveling nut 4 and fixing nut 5, the crab-bolt 3 is provided with least four, the leveling nut 4
Quantity of the quantity of quantity and the fixing nut 5 all with the crab-bolt 3 is identical, the bottom surface of the end of the girder steel 1 have with
The corresponding perforate 12 of the crab-bolt 3；
The top of the column 2 is imbedded in the lower end of the crab-bolt 3, and the upper end of each crab-bolt 3 is screwed with a tune
Flush nut 4, the centre position of the upper end of the column is provided with a back pouring hole 21, the interposition of the bottom surface of the end of the girder steel 1
Put with the channel-section steel 11, the lower end of the channel-section steel 11 is inserted in the back pouring hole 21 of the column, and the end of the girder steel 1
The perforate 12 of bottom surface is placed in the crab-bolt 3, and the bottom surface of the end of the girder steel 1 is held on the leveling nut 4, the anchor
The fixing nut 5 is screwed with bolt 3 and positioned at the top of the girder steel 1, the girder steel 1 and institute are adjusted by the leveling nut 4
The distance between column 2 is stated, the girder steel 1 is connected with the column 2 by the fixing nut 5；
A concrete layer 6 is poured in space between the channel-section steel 11, the girder steel 1 and the column 2；
The depth that the crab-bolt 3 imbeds in the column 2 is 20-30 times of the diameter of the crab-bolt 3；The crab-bolt 3 it is straight
Footpath is 24mm, and the height of the channel-section steel 11 is 100mm, length is 100mm and width is 48mm, and the wall thickness of the channel-section steel is
10mm, the depth of the back pouring hole 21 is 90mm, length is 140mm and width is 90mm, the upper surface of the column 2 with it is described
The vertical range of the bottom surface of the end of girder steel 1 is 50mm.
Also include purlin 7, the purlin 7 is fixed between the girder steel and roof color steel 9, the side of the column with
Wall 8 is connected.
The perforate 12 of the girder steel 1 is the slotted hole of Φ 25.5mm × 50mm.
The concrete layer 6 is C40 microdilatancy fine-stone concretes.
The crab-bolt 3 is provided with four.
The column 2 is armored concrete concrete post, and the girder steel 1 is people's font girder steel.
A kind of described girder steel and the construction method of the connecting joint structure of column, are carried out as steps described below：
S1. pouring reinforcement concrete concrete post, while being poured after the middle part of the upper end of armored concrete concrete post reserves
Hole, while pre-buried four crab-bolts, pre-hardening 2-8h；
S2. condense 7 days, the intensity of armored concrete concrete post is reached the 75% of design strength；
S3. a leveling nut is all covered in each crab-bolt, then girder steel is placed in crab-bolt, then according to design requirement by adjusting
Save the position of leveling nut, and then adjust the levelness of girder steel and the distance between with column；
S4. a fixing nut is covered again in each crab-bolt, girder steel is fixed；
S5. casting concrete in the space between girder steel and column, condenses 7 days.
Operation principle of the invention and the course of work are as follows：
The bottom surface of girder steel offers slotted hole, mainly easy for installation, and girder steel is under Gravitative Loads before being twisted eventually due to crab-bolt
Horizontal stretch deformation is had, this aspect can reduce the horizontal thrust of column top, and column is favourable；On the other hand steel can be made
Beam mid span moment and amount of deflection increase；Because this horizontal force is smaller, so this influence is also smaller, can be by rising during design girder steel
Arch solves the problems, such as amount of deflection, and intensity surplus meets requirement；
Horizontal force between girder steel and column is transmitted by the frictional force between girder steel and column, if the frictional force is not
It is enough, then shear key must be set, because crab-bolt can not transmit horizontal force, and offered because of steel beam bottom of the invention oval
Hole, can reduce column top horizontal thrust, i.e., frictional force reduces, it is not necessary to sets shear key, can just meet design requirement, constructs
Relatively easy, the duration is relatively short, easily realizes；
A concrete layer is poured in space between channel-section steel, girder steel and column, and is microdilatancy fine-stone concrete, enhancing connection section
The intensity of point；
Connected mode between girder steel and column is easily realized when causing using software modelings such as PKPM, can precalculated
Each parameter, it is ensured that the accuracy of design and the safety and stability of engineering；
Reinforced concrete pile is fast with the speed of application of herringbone steel beam connecting joint, and cost is small, and insulation, waterproof effect are preferable, mesh
Preceding application is more and more extensive；
The bottom surface of the girder steel of connecting node has a channel-section steel, can transmit the shearing between girder steel and column, strengthens girder steel
Weight capacity and girder steel anti-bending strength.
The stress performance of the column of girder steel of the invention and column connecting node similar to framed bent, but girder steel stress performance
Similar to arch, there is horizontal force, thus stress performance is slightly different with framed bent, beam-column connection way currently there are no ready-made
Specification or the maps and census records of the border regions, the present invention design connecting node stress clearly, it is workable, applied in a large amount of engineerings, put into practice
Prove that its is safe and reliable, similar item can be used for reference.
Embodiments of the invention are the foregoing is only, embodiments of the invention, and unprovoked is not thereby the foregoing is only
This limitation the scope of the claims of the invention, the equivalent structure that every utilization description of the invention and accompanying drawing content are made, or directly or
Other related technical fields are used in indirectly, are included within the scope of the present invention.
Claims (7)
1. a kind of connecting joint structure of girder steel and column, including girder steel and the column being fixed on below the girder steel, its feature
It is：The bottom surface of the end of the girder steel is plane, and the end of girder steel has leading flank and trailing flank, also including crab-bolt, groove
Steel, leveling nut and fixing nut, the crab-bolt are provided with least four, the quantity of the leveling nut and the fixing nut
Quantity of the quantity all with the crab-bolt is identical, and the bottom surface of the end of the girder steel has perforate corresponding with the crab-bolt；
The top of the column is imbedded in the lower end of the crab-bolt, and the upper end of each crab-bolt is screwed with a leveling nut,
The centre position of the upper end of the column is provided with a back pouring hole, and the centre position of the bottom surface of the end of the girder steel has the groove
Steel, the lower end of the channel-section steel is inserted in the back pouring hole of the column, and the bottom surface of the end of the girder steel perforate be placed on it is described
In crab-bolt, the bottom surface of the end of the girder steel is held on the leveling nut, in the crab-bolt and positioned at girder steel top
The fixing nut is screwed with, the distance between the girder steel and described column is adjusted by the leveling nut, by described solid
Determine nut the girder steel is connected with the column；
A concrete layer is poured in space between the channel-section steel, the girder steel and the column；
The depth that the crab-bolt imbeds in the column is 20-30 times of the crab-bolt diameter；A diameter of 24mm of the crab-bolt,
The height of the channel-section steel is 100mm, length is 100mm and width is 48mm, and the wall thickness of the channel-section steel is 10mm, the back pouring hole
Depth be 90mm, length be that 140mm and width are 90mm, the upper surface of the column and the bottom surface of the end of the girder steel
Vertical range is 50mm.
2. the connecting joint structure of girder steel according to claim 1 and column, it is characterised in that：Also include purlin, it is described
Purlin is fixed between the girder steel and roof color steel.
3. the connecting joint structure of girder steel according to claim 1 and column, it is characterised in that：The perforate of the girder steel is
The slotted hole of Φ 25.5mm × 50mm.
4. the connecting joint structure of girder steel according to claim 1 and column, it is characterised in that：The concrete layer is
C40 microdilatancy fine-stone concretes.
5. the connecting joint structure of girder steel according to claim 1 and column, it is characterised in that：The crab-bolt is provided with four
It is individual.
6. the connecting joint structure of girder steel according to claim 1 and column, it is characterised in that：The column is mixed for reinforcing bar
Solidifying soil concrete post, the girder steel behaviour font girder steel.
7. the construction method of the connecting joint structure of a kind of girder steel according to claim 1 and column, it is characterised in that：Press
Carried out according to following step：
S1. pouring reinforcement concrete concrete post, while a back pouring hole is reserved in the middle part of the upper end of armored concrete concrete post, and
And pre-buried four crab-bolts, pre-hardening 2-8h simultaneously；
S2. condense 7 days, the intensity of armored concrete concrete post is reached the 75% of design strength；
S3. a leveling nut is all covered in each crab-bolt, then girder steel is placed in crab-bolt, then adjusted by adjusting according to design requirement
The position of flush nut, and then adjust the levelness of girder steel and the distance between with column；
S4. a fixing nut is covered again in each crab-bolt, girder steel is fixed；
S5. casting concrete in the space between girder steel and column, condenses 7 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710246499.8A CN106894507A (en) | 2017-04-15 | 2017-04-15 | The connecting joint structure and construction method of girder steel and column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710246499.8A CN106894507A (en) | 2017-04-15 | 2017-04-15 | The connecting joint structure and construction method of girder steel and column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106894507A true CN106894507A (en) | 2017-06-27 |
Family
ID=59197084
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710246499.8A Pending CN106894507A (en) | 2017-04-15 | 2017-04-15 | The connecting joint structure and construction method of girder steel and column |
Country Status (1)
| Country | Link |
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| CN (1) | CN106894507A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733979A (en) * | 2020-07-02 | 2020-10-02 | 苏州中材建设有限公司 | Large-span steel truss structure of cement production line |
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| CN206646645U (en) * | 2017-04-15 | 2017-11-17 | 苏州中海建筑设计有限公司 | The connecting joint structure of girder steel and column |
-
2017
- 2017-04-15 CN CN201710246499.8A patent/CN106894507A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003064784A (en) * | 2001-08-29 | 2003-03-05 | Toyo Constr Co Ltd | Mounting structure between column-cum-pile and beam |
| CN202627327U (en) * | 2012-05-30 | 2012-12-26 | 西北矿冶研究院 | Haunching double-hinge straight arch beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733979A (en) * | 2020-07-02 | 2020-10-02 | 苏州中材建设有限公司 | Large-span steel truss structure of cement production line |
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