CN110241974A - Complete bolted truss-like girder with rolled steel section en cased in concrete and construction method - Google Patents
Complete bolted truss-like girder with rolled steel section en cased in concrete and construction method Download PDFInfo
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- CN110241974A CN110241974A CN201910355964.0A CN201910355964A CN110241974A CN 110241974 A CN110241974 A CN 110241974A CN 201910355964 A CN201910355964 A CN 201910355964A CN 110241974 A CN110241974 A CN 110241974A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 284
- 239000010959 steel Substances 0.000 title claims abstract description 284
- 239000004567 concrete Substances 0.000 title claims abstract description 100
- 238000010276 construction Methods 0.000 title claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 174
- 229910052742 iron Inorganic materials 0.000 claims abstract description 87
- 238000009434 installation Methods 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 210000001015 abdomen Anatomy 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/065—Light-weight girders, e.g. with precast parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention relates to architectural design and technical field of construction, specifically disclose complete bolted truss-like girder with rolled steel section en cased in concrete and construction method, truss-like girder with rolled steel section en cased in concrete include beams of concrete ontology and be set to the intrinsic truss-like fashioned iron of beams of concrete, truss-like fashioned iron includes the first steel plate, the second steel plate and connection component, and connection component is connected to the first web of the first steel plate and the second web of the second steel plate.In this manner, since the fashioned iron in truss-like girder with rolled steel section en cased in concrete is changed into the truss-like fashioned iron being spliced by the first steel plate, the second steel plate and connection component by the integrated fashioned iron of tradition, sectional boist truss formula fashioned iron, the fashioned iron weight promoted needed for effectively reducing, reduces and promotes difficulty.And since this truss-like fashioned iron is formed by connecting by connection component by the first steel plate and the second steel plate, the height of truss-like fashioned iron can be adjusted, according to beam section height to meet different use demands.
Description
Technical field
The present invention relates to architectural design and technical field of construction, more particularly to complete bolted truss-like steel reinforced concrete
Beam and construction method.
Background technique
Girder with rolled steel section en cased in concrete is due to having the characteristics that intensity is high, deformation is small, durability is strong and flexible arrangement is widely used
In the construction of long-span beams.The substantially continuous I-steel in fashioned iron section of existing girder with rolled steel section en cased in concrete and other kinds of type
Material, when the main body girder construction of long-span beams is largely concrete structure, and only small part girder construction is steel reinforced concrete knot
When structure, because the weight of fashioned iron is big, the Large Towers that difficulty is larger, needs additionally to increase elevating capacity and section steel beam matches are promoted
It hangs to lift fashioned iron, larger cost influence can be caused to construction.In addition, if additionally increase tower crane promoted fashioned iron, lifting in place with
There are the cross influence durations for civil construction process, and larger process can also be caused to influence on site operation.
Summary of the invention
The invention discloses complete bolted truss-like girder with rolled steel section en cased in concrete and construction method, sectional boist truss formulas
Fashioned iron, each composition construction weight is light, size is small, transports, is quick and easy for installation, not needing additionally to increase hanging device.
To achieve the goals above, in a first aspect, the embodiment of the invention discloses complete bolted truss-like fashioned iron is mixed
Solidifying Tu Liang, truss-like girder with rolled steel section en cased in concrete include beams of concrete ontology and are set to the intrinsic truss-like type of the beams of concrete
Steel, the truss-like fashioned iron include:
First steel plate, first steel plate include top flange plate and the first web for extending downwardly from the top flange plate；
Second steel plate is set to below first steel plate and is arranged with first steel plate interval, the second steel plate packet
The second web for including bottom wing listrium and being upwardly extended from the bottom wing listrium；And
Connection component, the connection component are connected to first web and second web.
As an alternative embodiment, in the embodiment of first aspect present invention, first steel plate be it is multiple,
Each first steel plate is T-steel plate and each first steel plate includes the two T shape end faces for being located at both ends, multiple described
First steel plate is successively affixed and a wherein T shape end face and first steel plate adjacent thereto of any first steel plate
A wherein T shape end face be oppositely arranged；
Second steel plate be it is multiple, each second steel plate is that T-steel plate and each second steel plate include position
In the two T shape end faces at both ends, multiple second steel plates are successively affixed and a wherein T shape end face for second steel plate
It is oppositely arranged with a wherein T shape end face for second steel plate adjacent thereto.
As an alternative embodiment, in the embodiment of first aspect present invention, first steel plate further includes
Multiple first bolts, each first bolt are fixedly connected on the end of first steel plate of adjacent two；And
Second steel plate further includes multiple second bolts, and each second bolt is fixedly connected on adjacent two described
The end of two steel plates.
As an alternative embodiment, in the embodiment of first aspect present invention, second web with it is described
First web is parallel or is located on same vertical plane.
As an alternative embodiment, the connection component includes more in the embodiment of first aspect present invention
The batten plate and multiple fasteners of block gap setting, each batten plate are all connected to first web and second abdomen
Plate, each fastener is for being fastenedly connected each batten plate, first web and second web.
As an alternative embodiment, each batten plate is sewed in the embodiment of first aspect present invention for rectangle
Plate, each fastener include third bolt and the 4th bolt, and each third bolt is fixedly connected on the one of each batten plate
End and first web, each 4th bolt are fixedly connected on the other end and second web of each batten plate.
As an alternative embodiment, in the embodiment of first aspect present invention, the muti-piece batten plate is respectively
The first batten plate, the second batten plate and the third batten plate being successively disposed adjacent, first batten plate and the third batten plate are arranged in parallel,
Angle is formed between second batten plate and first batten plate and the third batten plate.
It is adjacent two batten plate, described as an alternative embodiment, in the embodiment of first aspect present invention
Hollow portion is enclosed between first web and second web.
As an alternative embodiment, in the embodiment of first aspect present invention, the truss-like fashioned iron coagulation
Tu Liang further includes being set to the intrinsic steel tie of the beams of concrete, and the steel tie is arranged in the hollow portion and binding
In the truss-like fashioned iron.
Second aspect, the embodiment of the invention also provides the construction parties of complete bolted truss-like girder with rolled steel section en cased in concrete
Method, the construction method include:
Mounting platform is installed in default installation site；
First steel plate, the second steel plate and connection component are promoted to the default installation site and are set to the mounting platform
On；
The connection component is connected to first steel plate and second steel plate, to be formed in the mounting platform
Truss-like fashioned iron；
Using the truss-like fashioned iron as support assembling reinforcement, while being installed using the truss-like fashioned iron as fixed point
Beams of concrete hangs mould；
Casting concrete in mould is hung in the beams of concrete, after concrete generation, the beams of concrete is removed and hangs
Mould forms truss-like girder with rolled steel section en cased in concrete.
As an alternative embodiment, first steel plate is multiple in the embodiment of second aspect of the present invention
Spaced first steel plate, the girder with rolled steel section en cased in concrete further include multiple first bolts, and first bolt is fixedly connected on
First steel plate of adjacent two.
As an alternative embodiment, second steel plate is multiple in the embodiment of second aspect of the present invention
Second steel plate, the girder with rolled steel section en cased in concrete further include multiple second bolts, and second bolt is fixedly connected on two adjacent institutes
State the second steel plate.
Compared with prior art, complete bolted truss-like girder with rolled steel section en cased in concrete of the invention and construction method have with
It is lower the utility model has the advantages that
The present invention provides complete bolted truss-like girder with rolled steel section en cased in concrete and construction method, by being arranged by the first steel
Plate, the second steel plate and connection component composition truss-like fashioned iron truss-like girder with rolled steel section en cased in concrete, the first steel plate include top flange and
The first web extended downwardly from top flange, the second steel plate are set to below the first steel plate and are arranged with the first steel plate interval, second
Steel plate includes bottom wing listrium and the second web for upwardly extending from bottom wing listrium, and connection component is connected to the first web and the second abdomen
Plate.In this manner, it is changed by the integrated fashioned iron of tradition by the due to the fashioned iron in truss-like girder with rolled steel section en cased in concrete
The truss-like fashioned iron that one steel plate, the second steel plate and connection component are spliced into, sectional boist truss formula fashioned iron, needed for effectively reducing
The fashioned iron weight of promotion reduces and promotes difficulty.And since this truss-like fashioned iron by the first steel plate and the second steel plate passes through connection group
Part is formed by connecting, and can adjust the height of truss-like fashioned iron, according to beam section height to meet different use demands.
Also, the first steel plate is that multiple first steel plates are formed by connecting, and the second steel plate is that multiple second steel plates are formed by connecting, often
A composition construction weight is light, size is small, and convenient transportation is quick, does not need additionally to increase hanging device, avoids additionally increasing lifting
Equipment gives construction bring adverse effect.
Further, since the connection component of this truss-like fashioned iron is made of multiple spaced batten plates, type can be effectively reduced
The self weight of steel is suitable for the higher longspan structure of beam section.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of the truss-like girder with rolled steel section en cased in concrete of the embodiment of the present invention one；
Fig. 2 is the structural decomposition diagram of the truss-like fashioned iron of the truss-like girder with rolled steel section en cased in concrete of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of the truss-like fashioned iron of the truss-like girder with rolled steel section en cased in concrete of the embodiment of the present invention one；
Fig. 4 is the enlarged diagram in Fig. 3 at A；
Fig. 5 is the enlarged diagram in Fig. 3 at B；
Fig. 6 is adjacent two first girder steel of the truss-like girder with rolled steel section en cased in concrete of the embodiment of the present invention one and point of the first bolt
Solve schematic diagram；
Fig. 7 is adjacent two second girder steel of the truss-like girder with rolled steel section en cased in concrete of the embodiment of the present invention one and point of the second bolt
Solve schematic diagram；
Fig. 8 is that the muti-piece batten plate interval of the truss-like girder with rolled steel section en cased in concrete of the embodiment of the present invention one is symmetrically divided into the first abdomen
The structural schematic diagram of plate and the second web two sides；
Fig. 9 is the main view of the truss-like fashioned iron of the truss-like girder with rolled steel section en cased in concrete of the embodiment of the present invention one；
Figure 10 is the process of the construction method of the complete bolted truss-like girder with rolled steel section en cased in concrete of the embodiment of the present invention two
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In the present invention, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or
Positional relationship.These terms are not intended to limit indicated dress primarily to better describe the present invention and embodiment
Set, element or component must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected " shall be understood in a broad sense.For example, it may be solid
Fixed connection, is detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be directly connected, either
It indirectly connected through an intermediary, or is two connections internal between device, element or component.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or component (specifically
Type and construction may it is identical may also be different), be not intended to show or implies meaning showing device, element or component
Relative importance and quantity.Unless otherwise indicated, the meaning of " multiple " is two or more.
The invention discloses complete bolted truss-like girder with rolled steel section en cased in concrete and construction method, sectional boist truss formulas
Fashioned iron, each composition construction weight is light, size is small, transports, is quick and easy for installation, not needing additionally to increase hanging device.
Below in conjunction with embodiment and attached drawing, further description of the technical solution of the present invention.
Embodiment one
Also referring to Fig. 1 to Fig. 3, the complete bolted truss-like steel reinforced concrete of the offer of the embodiment of the present invention one
Beam, truss-like girder with rolled steel section en cased in concrete include beams of concrete ontology 1 and the truss-like fashioned iron 2 in beams of concrete ontology 1, truss
Formula fashioned iron 2 includes the first steel plate 21, the second steel plate 22 and connection component 23, and the first steel plate 21 includes top flange plate 211 and from upper
The first web 212 that flange plate 211 extends downwardly, the second steel plate 22 are set to 21 lower section of the first steel plate and are spaced with the first steel plate 21
Setting, the second steel plate 22 include bottom wing listrium 221 and the second web 222 upwardly extended from bottom wing listrium 221, connection component 23
It is connected to the first web 212 and the second web 222.
In this manner, it is changed into due to the fashioned iron in truss-like girder with rolled steel section en cased in concrete by the integrated fashioned iron of tradition
The truss-like fashioned iron 2 being spliced by the first steel plate 21, the second steel plate 22 and connection component 23, sectional boist truss formula fashioned iron 2,
The fashioned iron weight promoted needed for effectively reducing reduces and promotes difficulty.And since this truss-like fashioned iron 2 is by the first steel plate 21 and second
Steel plate 22 is formed by connecting by connection component 23, and the height of truss-like fashioned iron 2 can be adjusted according to beam section height, to meet not
Same use demand.
In conjunction with shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, the first steel plate 21 be it is multiple, each first steel plate 21 be T
Shape steel plate, and each first steel plate 21 includes the two T shape end face 21a positioned at both ends, multiple first steel plates 21 it is successively affixed and
A wherein T shape end face 21a for any first steel plate 21 and a wherein T shape end face 21a for the first steel plate 21 adjacent thereto are opposite
Setting, so that fixed the first steel plate 21 formed needed for a satisfaction using length of multiple first steel plates 21.Second steel plate 22 is
Multiple, each second steel plate 22 is T-steel plate, and each second steel plate 22 includes the T shape end face 22a positioned at both ends, multiple
Second steel plate 22 be sequentially connected and a wherein T shape end face 22a for the second steel plate 22 and the second steel plate 22 adjacent thereto wherein
One T shape end face 22a is oppositely arranged, so that fixed the second steel plate formed needed for a satisfaction using length of multiple second steel plates 22
22.Preferably, each first steel plate 21 and each second steel plate 22 are identical steel plate structure, and specification is identical, i.e., each the
The equal length of the bottom wing listrium 221 of the top flange plate 211 of one steel plate 21 and each second steel plate 22, each first steel plate 21
The equal length of first web 212 and the second web 222 of each second steel plate 22, when the truss-like for needing assembled certain length
When fashioned iron 2, the quantity for calculating one of steel plate in the first steel plate 21 and the second steel plate 22 is that may know that the use of another steel plate
Amount, with the determination of convenient material dosage.It is formed since the first steel plate 21 is that multiple first steel plates 21 are affixed, and the second steel plate 22 is
Multiple second steel plates 22 are affixed to be formed, so that each composition construction weight of composition truss-like fashioned iron 2 is light, size is small, transporter
Just quick, it does not need additionally to increase hanging device, avoids additionally increasing hanging device to bring adverse effect of constructing.
It is known that being, the first steel plate 21 and the second steel plate 22 are not limited only to T-steel plate, can also for H-type, it is I-shaped or
The steel plate of the fashioned iron such as person's L-type or other structures shape, the present embodiment are not limited thereof, only with the first steel plate 21 and the second steel
Plate 22 be T-steel plate for be illustrated.
Further, in order to realize that multiple first steel plates 21 are successively affixed and multiple second steel plates 22 it is successively affixed,
First steel plate 21 further includes multiple first bolts 213 for affixed multiple first steel plates 21, and each first bolt 213 is fixedly connected
In the end of two first adjacent steel plates 21, the second steel plate 22 further includes multiple second spiral shells for affixed multiple second steel plates 22
Bolt 223, each second bolt 223 are fixedly connected on the end of two second adjacent steel plates 22.
In conjunction with shown in Fig. 3, Fig. 6 and Fig. 7, further, in order to enhance the bonding strength of adjacent two steel plate, it is connected to phase
First bolt 213 of adjacent two first steel plates 21 may be configured as multiple, be respectively used to connect the first abdomen of adjacent two first steel plate 21
The top flange 211 of plate 212 and adjacent two first steel plate 21.For example, as shown in fig. 6, being connected to the of adjacent two first steel plate 21
One bolt 213 may be configured as 12, wherein 6 for connecting the first web 212 of adjacent two first steel plate 21, other 6 use
In the top flange 213 for connecting adjacent two first steel plate 21.Similarly, the second bolt 223 for being connected to adjacent two second steel plate 22 can
It is set as multiple, is respectively used to connect the bottom wing of the second web 222 of adjacent two second steel plate 22 and adjacent two second steel plate 22
Edge 221.For example, as shown in fig. 7,223 second bolts for being connected to adjacent two second steel plate 22 may be configured as 12, wherein 6
For connecting the second web 222 of adjacent two second steel plate 22, in addition 6 for connecting the lower flange of adjacent two second steel plate 22
221.It is understood that the first bolt 213 and the second bolt 223 can also be 4,8 or 10,213 He of the first bolt
The setting quantity of second bolt 223 can according to the actual situation depending on, be not limited thereof herein.
The mode being connected by screw bolts, can select according to the actual situation the quantity of the first steel plate 21 and the second steel plate 22 with
It forms one and meets the required truss-like fashioned iron 2 using length, strong flexibility.
In the present embodiment, it is arranged since the second steel plate 22 is set to 21 lower section of the first steel plate and is spaced with the first steel plate 21,
Including two kinds of situations, the first is that the second web 222 is parallel with the first web 212, but the first web 212 and the second web 222
It is not located on same vertical plane, i.e. the second web 222 is located at the side-lower of the first web 212；For second second web 222 with
First web 212 is located on same vertical plane, i.e. the second web 222 is located at the underface of the first web 212.
Since under second situation, the first web 212 and the second web 222 are located at same vertical plane, in this way, connecting passing through
When connected components 23 connect the first web 212 and the second web 222, the power transmission between the first web 12 and the second web 222 is more
Directly, Path of Force Transfer is most short.Therefore, the present embodiment is illustrated by taking second situation as an example.
As shown in figure 3, in the present embodiment, connection component 23 includes the spaced batten plate 231 of muti-piece, each batten plate
231 are all connected to the first web 212 and the second web 222, and batten plate 231, which is connected to the first web 212, can help the first steel plate 21
Partial Shear is resisted, batten plate 231, which is connected to the second web 222, can help the second steel plate 22 to resist Partial Shear, to improve purlin
The integral anti-shearing performance of posture fashioned iron 2.Connection component 23 further includes multiple fasteners, and each fastener is for being fastenedly connected each batten plate
231, the first web 212 and the second web 222.Since the first web 212 of this truss-like fashioned iron 2 and the second web 222 are by more
The batten plate 231 of block gap setting is formed by connecting, and the overall weight of the first web 212, the second web 222 and muti-piece batten plate 231 is remote
Less than the web weight of traditional fashioned iron of sustained height, the self weight of fashioned iron in girder with rolled steel section en cased in concrete can be effectively reduced, is suitable for beam
The higher longspan structure in section.
As shown in figure 3, muti-piece batten plate 231 is arranged along the length direction interval of the first steel plate 21 and the second steel plate 22, in order to
So that the connection of the first steel plate 21 and the second steel plate 22 is more firm, each first steel plate 21 is connected to two adjacent second steel
Plate 22 and each second steel plate 22 is connected to two adjacent first steel plates 21.Therefore, each first steel plate 21 and each second
Steel plate 22 is arranged in a staggered manner along the length direction of the first steel plate 21 and the second steel plate 22, the central area of each block of the first web 212
Two blocks of batten plates 231 are connected with, two blocks of batten plates 231 on each block of the first web 212 are connected to two the second adjacent steel plates
22 central area.
Further, each batten plate 231 preferably uses rectangle batten plate 231, so that truss-like fashioned iron 2 is to meet beam section higher
Beams of concrete requirement while every block of batten plate 231 be also able to maintain most light self weight, to reduce truss-like fashioned iron 2
Self weight, the present embodiment preferentially use the batten plate 231 of strip.Each fastener includes third bolt 232 and the 4th bolt 233, respectively
Third bolt 232 is fixedly connected on one end of each batten plate 231 and the edge surface of the first web 212, and each 4th bolt 233 is fixed to be connected
It is connected to the other end of each batten plate 231 and the edge surface of the second web 222, and muti-piece batten plate 231 is fixed in the first web 212 and
The same side of two webs 222.
It is appreciated that muti-piece batten plate 231, which can also be spaced, is symmetrically divided into the first web 212 and the second web 222
Two sides (as shown in Figure 8).Since batten plate 231 is primarily subjected to shear, using this setup, the stress of truss-like fashioned iron 2
Identical as the stress of the same side that muti-piece batten plate 231 is fixed in the first web 212 and the second web 222, user can be according to reality
Situation selects set-up mode, is not described in detail herein.
As shown in figure 9, further, the inclination of muti-piece batten plate 231 is connected to the first web 212 and the second web 222, more
The first batten plate 23a, the second batten plate 23b and third batten plate 23c, the first batten plate 23a that block batten plate 231 is respectively successively disposed adjacent
It is arranged in parallel with third batten plate 23c, forms angle between the second batten plate 23b and the first batten plate 23a and third batten plate 23c, so that
First batten plate 23a, the second batten plate 23b, third batten plate 23c, the first web 212 and the second web 222 form truss structure, the
One batten plate 23a, the second batten plate 23b and third batten plate 23c bear axial tension or pressure, so as to make full use of the strong of material
Degree can save material when span is larger, mitigate self weight and increase rigidity, therefore load-carrying members and towering knot suitable for large span
Structure.
In conjunction with shown in Fig. 3 and Fig. 9, in the present embodiment, since muti-piece batten plate 231 is spaced setting and each block of batten plate 231
It is all connected to the first web 212 and the second web 222, is enclosed between adjacent two batten plate 231, the first web 212 and the second web 222
Conjunction forms hollow portion 24, in beams of concrete, since the hollow portion 24 of truss-like fashioned iron 2 is filled with concrete, can make the coagulation
The Concrete Filled of Tu Liang is more closely knit, and concrete and the first web 212 and the second web 222 are formed and constrained, from
And the stress performance of concrete can be improved.
Further, truss-like girder with rolled steel section en cased in concrete further includes that the steel tie in beams of concrete ontology 1 (is not schemed
Show), steel tie is arranged in hollow portion 24 and binding in truss-like fashioned iron 2, in fashioned iron and ties up compared to traditional reinforcement welding
It is tied in the set-up mode of fashioned iron, can be welded to avoid traditional approach to fashioned iron in such a way that steel tie is arranged in hollow portion 24
The change of hardness and toughness, so that truss-like fashioned iron 2 is still able to maintain better performance.
The complete bolted truss-like girder with rolled steel section en cased in concrete that the embodiment of the present invention one provides, by being arranged by multiple first
Steel plate, multiple second steel plates and muti-piece batten plate are bolted the truss-like fashioned iron of composition, and each composition construction weight is light, ruler
It is very little small, it transports, is quick and easy for installation.And the inclination of muti-piece batten plate is connected to the first web and multiple second steel of multiple first steel plates
Second web of plate can save material so as to make full use of the intensity of material, mitigate self weight and increase rigidity, be suitable for big
The load-carrying members and tall and slender structure of span.
Embodiment two
Referring to Fig. 10, second embodiment of the present invention provides the construction parties of complete bolted truss-like girder with rolled steel section en cased in concrete
The specific structure of method, complete bolted truss-like girder with rolled steel section en cased in concrete can be found in embodiment one, no longer carry out in the present embodiment
It repeats.The construction method of the complete bolted truss-like girder with rolled steel section en cased in concrete is as follows:
201: installing mounting platform in default installation site.
In the present embodiment, according to the structure of complete bolted truss-like girder with rolled steel section en cased in concrete in default installation site
Matched mounting platform is installed, to facilitate installation and the subsequent installation beams of concrete of truss-like fashioned iron to hang mould.
202: the first steel plate, the second steel plate and connection component being promoted to default installation site and are set on mounting platform.
In the present embodiment, the first steel plate, the second steel plate and connection component are promoted to default installation site and are set to peace
On assembling platform, so that the first steel plate, the second steel plate and connection component can be installed directly on carrying out mounting platform.
Further, since the first steel plate is multiple spaced first steel plates, girder with rolled steel section en cased in concrete further includes multiple
First bolt, the first bolt is fixedly connected on two first adjacent steel plates, and the second steel plate is multiple second steel plates；And fashioned iron
Beams of concrete further includes multiple second bolts, and the second bolt is fixedly connected on two second adjacent steel plates.In order to facilitate fashioned iron
The promotion of one steel plate and the second steel plate, by multiple first steel plates, multiple first bolts, multiple second steel plates and multiple second bolts
It is promoted to default installation site and is set on mounting platform, then be bolted each first in being disposed adjacent on mounting platform
Two first steel plates are until the connection of multiple first steel plates is completed, and each second is bolted in two second steel plates being disposed adjacent
Until the connection of multiple second steel plates is completed.
203: connection component being connected to the first steel plate and the second steel plate, to form truss-like fashioned iron on mounting platform.
In the present embodiment, need for connection component to be connected to the first steel plate and the second steel plate, with the shape on mounting platform
At truss-like fashioned iron.
Further, since connection component includes the spaced batten plate of muti-piece and multiple fasteners, each batten plate connects
It is connected to the first web and the second web, each fastener includes third bolt and the 4th bolt, and each third bolt is fixedly connected on respectively
One end of batten plate and the first web, each 4th bolt are fixedly connected on the other end and the second web of each batten plate.Therefore, multiple
First steel plate connection complete and multiple second steel plates connection after the completion of, by third bolt be fixedly connected on wherein one end of batten plate and
First web and the 4th bolt are fixedly connected on the other end and the second web of the batten plate, until muti-piece batten plate interval is fixed in the
One web and the second web.
204: using truss-like fashioned iron as support assembling reinforcement, while coagulation being installed using truss-like fashioned iron as fixed point
Tu Liang hangs mould.
In the present embodiment, after truss-like fashioned iron is installed, using truss-like fashioned iron as support assembling reinforcement, by reinforcing bar
It is arranged in the hollow portion of truss-like fashioned iron and binds on truss-like fashioned iron.It is installed simultaneously using truss-like fashioned iron as fixed point
Beams of concrete hangs mould, and hangs mould due to installing beams of concrete directly on mounted truss-like fashioned iron, can reduce truss-like
The mobile number of fashioned iron not only contributes to improve assembly precision, but also construction efficiency can be improved.
205: hanging casting concrete in mould in beams of concrete, after concrete generation, dismantling concrete beam hangs mould, forms purlin
Posture girder with rolled steel section en cased in concrete.
In the present embodiment, after the completion of assembling reinforcement on truss-like fashioned iron, beams of concrete hang carry out pouring in mould it is mixed
Solidifying soil.Since truss-like fashioned iron has hollow portion, the negotiable hollow portion of the concrete poured hangs mould until being filled in beams of concrete
Interior all inner spaces, concrete can be improved pours efficiency.After concrete generation, dismantling concrete beam hangs mould, is formed
Truss-like girder with rolled steel section en cased in concrete.
The construction method of complete bolted truss-like girder with rolled steel section en cased in concrete provided by Embodiment 2 of the present invention, by by purlin
Posture fashioned iron splits into multiple component compositions light-weight, size is small, and will spell on multiple member lifts to mounting platform
Dress, can facilitate the promotion and installation of truss-like fashioned iron.Also, since truss-like fashioned iron has hollow portion, it is convenient for truss-like fashioned iron
The reinforcing bar binding of beams of concrete and pouring for concrete.
Complete bolted truss-like girder with rolled steel section en cased in concrete disclosed by the embodiments of the present invention and construction method are carried out above
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Explanation be merely used to help understand complete bolted truss-like girder with rolled steel section en cased in concrete and construction method of the invention；Meanwhile
For those of ordinary skill in the art, according to the thought of the present invention, has change in specific embodiments and applications
Become place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (12)
1. a kind of complete bolted truss-like girder with rolled steel section en cased in concrete, truss-like girder with rolled steel section en cased in concrete include beams of concrete ontology and
Set on the intrinsic truss-like fashioned iron of the beams of concrete, which is characterized in that the truss-like fashioned iron includes:
First steel plate, first steel plate include top flange plate and the first web for extending downwardly from the top flange plate；
Second steel plate is set to below first steel plate and is arranged with first steel plate interval, under second steel plate includes
Flange plate and the second web upwardly extended from the bottom wing listrium；And
Connection component, the connection component are connected to first web and second web.
2. truss-like girder with rolled steel section en cased in concrete according to claim 1, which is characterized in that first steel plate be it is multiple, often
A first steel plate is T-steel plate, and each first steel plate includes the two T shape end faces for being located at both ends, multiple described
First steel plate is successively affixed and a wherein T shape end face and first steel plate adjacent thereto of any first steel plate
A wherein T shape end face be oppositely arranged；
Second steel plate be it is multiple, each second steel plate be T-steel plate, and each second steel plate include be located at two
Two T shape end faces of end, multiple second steel plates are successively affixed and a wherein T shape end face for second steel plate and with
The wherein T shape end face of adjacent second steel plate be oppositely arranged.
3. truss-like girder with rolled steel section en cased in concrete according to claim 2, which is characterized in that first steel plate further includes multiple
First bolt, each first bolt are fixedly connected on the end of first steel plate of adjacent two；And
Second steel plate further includes multiple second bolts, and each second bolt is fixedly connected on second steel of adjacent two
The end of plate.
4. truss-like girder with rolled steel section en cased in concrete according to any one of claims 1 to 3, which is characterized in that second web with
First web is parallel or is located on same vertical plane.
5. truss-like girder with rolled steel section en cased in concrete according to claim 1, which is characterized in that the connection component includes between muti-piece
Every the batten plate and multiple fasteners of setting, each batten plate is all connected to first web and second web, respectively
The fastener is for being fastenedly connected each batten plate, first web and second web.
6. truss-like girder with rolled steel section en cased in concrete according to claim 5, which is characterized in that each batten plate is rectangle batten plate,
Each fastener includes third bolt and the 4th bolt, each third bolt be fixedly connected on each batten plate one end and
First web, each 4th bolt are fixedly connected on the other end and second web of each batten plate.
7. truss-like girder with rolled steel section en cased in concrete according to claim 5 or 6, which is characterized in that the muti-piece batten plate is respectively
The first batten plate, the second batten plate and the third batten plate being successively disposed adjacent, first batten plate and the third batten plate are arranged in parallel,
Angle is formed between second batten plate and first batten plate and the third batten plate.
8. truss-like girder with rolled steel section en cased in concrete according to claim 5 or 6, which is characterized in that adjacent two batten plate, described
Hollow portion is enclosed between first web and second web.
9. truss-like girder with rolled steel section en cased in concrete according to claim 8, which is characterized in that the truss-like girder with rolled steel section en cased in concrete
It further include being set to the intrinsic steel tie of the beams of concrete, the reinforcing bar is arranged in the hollow portion and binding in the purlin
Posture fashioned iron.
10. the construction method of complete bolted truss-like girder with rolled steel section en cased in concrete, which is characterized in that the construction method includes:
Mounting platform is installed in default installation site；
First steel plate, the second steel plate and connection component are promoted to the default installation site and are set on the mounting platform；
The connection component is connected to first steel plate and second steel plate, to form truss in the mounting platform
Formula fashioned iron；
Using the truss-like fashioned iron as support assembling reinforcement, while coagulation being installed using the truss-like fashioned iron as fixed point
Tu Liang hangs mould；
Casting concrete in mould is hung in the beams of concrete, after concrete generation, the beams of concrete is removed and hangs mould, shape
At truss-like girder with rolled steel section en cased in concrete.
11. construction method according to claim 10, which is characterized in that first steel plate is multiple spaced the
One steel plate, the girder with rolled steel section en cased in concrete further include multiple first bolts, and first bolt is fixedly connected on described in adjacent two
First steel plate.
12. construction method described in 0 or 11 according to claim 1, which is characterized in that second steel plate is multiple second steel
Plate, the girder with rolled steel section en cased in concrete further include multiple second bolts, and second bolt is fixedly connected on adjacent two described second
Steel plate.
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| CN201910355964.0A CN110241974B (en) | 2019-04-29 | 2019-04-29 | Full-bolt-connection truss type steel reinforced concrete beam and construction method |
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| CN201910355964.0A CN110241974B (en) | 2019-04-29 | 2019-04-29 | Full-bolt-connection truss type steel reinforced concrete beam and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821037A (en) * | 2019-12-20 | 2020-02-21 | 重庆交通大学 | T-shaped beam and box beam with fiber reinforced composite grid web |
| CN116290564A (en) * | 2023-03-28 | 2023-06-23 | 广西北投建筑工程有限公司 | Light truss type steel reinforced concrete beam structural member |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB602141A (en) * | 1945-11-12 | 1948-05-20 | George Charles Wright | Improvements in joists |
| JP2000320068A (en) * | 1999-05-11 | 2000-11-21 | Shimizu Corp | Truss structure |
| JP2003119718A (en) * | 2001-10-09 | 2003-04-23 | Haltec:Kk | Bridge |
| JP2003193620A (en) * | 2001-12-26 | 2003-07-09 | Nippon Light Metal Co Ltd | Trussed girder and connecting structure thereof |
| CA2372358A1 (en) * | 2002-02-20 | 2003-08-20 | Aluma Enterprises Inc. | Column hung truss system |
| CN1462325A (en) * | 2001-05-04 | 2003-12-17 | 元大渊 | Prestressed composite truss grider and construction method of the same |
| JP2005030153A (en) * | 2003-07-11 | 2005-02-03 | Kawada Industries Inc | Beam with attached steel plates |
| KR20060115699A (en) * | 2006-10-20 | 2006-11-09 | 원대연 | Construction Method of Composite Slab Bridge Using Composite Truss Girder |
| CN201158899Y (en) * | 2008-03-04 | 2008-12-03 | 广西大学 | Steel truss steel bone concrete beam |
| CN101603288A (en) * | 2009-07-03 | 2009-12-16 | 中铁大桥局股份有限公司 | A kind of three-truss main girder structure of highway and railway bi-purpose cable-stayed bridge and mounting method thereof |
| CN201521058U (en) * | 2009-10-13 | 2010-07-07 | 迈特建筑科技(武汉)有限公司 | Building cold bending thin-wall truss type floor beam |
| CN103306428A (en) * | 2013-06-26 | 2013-09-18 | 清华大学 | Built-in heavy load beam member of novel composite truss |
| CN103410220A (en) * | 2013-05-29 | 2013-11-27 | 北京工业大学 | Industrially assembled multiple high-rise steel special-shaped column frame-eccentric supporting system |
| CN104195946A (en) * | 2014-07-04 | 2014-12-10 | 林同棪国际工程咨询（中国）有限公司 | Staged implementation method of multi-bridge-floor-layer suspension bridge for highway and rail |
| CN204001194U (en) * | 2014-08-17 | 2014-12-10 | 众城集成建筑工程（天津）有限公司 | Light steel truss structure integrated building system |
| CN104233963A (en) * | 2014-09-10 | 2014-12-24 | 北京工业大学 | Prestress-adjustable steel truss for reinforcing PSC (prestressed concrete) continuous box girder bridge and construction method |
| CN204059692U (en) * | 2014-07-07 | 2014-12-31 | 张跃 | A kind of floor |
| KR20150046517A (en) * | 2013-10-22 | 2015-04-30 | 삼성물산 주식회사 | Multiplied Composite Truss Girder system for long-span application and manufacturing method thereof and constructing method using the same |
| CN205046680U (en) * | 2015-09-08 | 2016-02-24 | 兰州有色冶金设计研究院有限公司 | Parallel chords steel pipe truss connection structure |
| CN106088480A (en) * | 2016-06-15 | 2016-11-09 | 杭州材智建筑科技有限公司 | Girder truss, the combination beam of application girder truss and the compound superstructure of application girder truss |
| CN107297600A (en) * | 2017-06-30 | 2017-10-27 | 中建钢构有限公司 | The preparation method and high-strength bolt hole group's truss of high-strength bolt hole group's truss |
| KR101818883B1 (en) * | 2017-04-28 | 2018-01-15 | 이충섭 | Segmentation composite girder and construction method of the same |
| CN207003822U (en) * | 2017-05-12 | 2018-02-13 | 杭萧钢构股份有限公司 | Buckling-restrained steel coupling beam and its steel plate concrete combined shear wall structural system |
| CN207794293U (en) * | 2018-01-30 | 2018-08-31 | 浙江恒欣建筑设计股份有限公司 | A kind of mixing frame body of steel and concrete and steel |
| CN210263635U (en) * | 2019-04-29 | 2020-04-07 | 深圳市建筑设计研究总院有限公司 | Full bolted connection's truss-like shaped steel concrete beam |
-
2019
- 2019-04-29 CN CN201910355964.0A patent/CN110241974B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB602141A (en) * | 1945-11-12 | 1948-05-20 | George Charles Wright | Improvements in joists |
| JP2000320068A (en) * | 1999-05-11 | 2000-11-21 | Shimizu Corp | Truss structure |
| CN1462325A (en) * | 2001-05-04 | 2003-12-17 | 元大渊 | Prestressed composite truss grider and construction method of the same |
| JP2003119718A (en) * | 2001-10-09 | 2003-04-23 | Haltec:Kk | Bridge |
| JP2003193620A (en) * | 2001-12-26 | 2003-07-09 | Nippon Light Metal Co Ltd | Trussed girder and connecting structure thereof |
| CA2372358A1 (en) * | 2002-02-20 | 2003-08-20 | Aluma Enterprises Inc. | Column hung truss system |
| JP2005030153A (en) * | 2003-07-11 | 2005-02-03 | Kawada Industries Inc | Beam with attached steel plates |
| KR20060115699A (en) * | 2006-10-20 | 2006-11-09 | 원대연 | Construction Method of Composite Slab Bridge Using Composite Truss Girder |
| CN201158899Y (en) * | 2008-03-04 | 2008-12-03 | 广西大学 | Steel truss steel bone concrete beam |
| CN101603288A (en) * | 2009-07-03 | 2009-12-16 | 中铁大桥局股份有限公司 | A kind of three-truss main girder structure of highway and railway bi-purpose cable-stayed bridge and mounting method thereof |
| CN201521058U (en) * | 2009-10-13 | 2010-07-07 | 迈特建筑科技(武汉)有限公司 | Building cold bending thin-wall truss type floor beam |
| CN103410220A (en) * | 2013-05-29 | 2013-11-27 | 北京工业大学 | Industrially assembled multiple high-rise steel special-shaped column frame-eccentric supporting system |
| CN103306428A (en) * | 2013-06-26 | 2013-09-18 | 清华大学 | Built-in heavy load beam member of novel composite truss |
| KR20150046517A (en) * | 2013-10-22 | 2015-04-30 | 삼성물산 주식회사 | Multiplied Composite Truss Girder system for long-span application and manufacturing method thereof and constructing method using the same |
| CN104195946A (en) * | 2014-07-04 | 2014-12-10 | 林同棪国际工程咨询（中国）有限公司 | Staged implementation method of multi-bridge-floor-layer suspension bridge for highway and rail |
| CN204059692U (en) * | 2014-07-07 | 2014-12-31 | 张跃 | A kind of floor |
| CN204001194U (en) * | 2014-08-17 | 2014-12-10 | 众城集成建筑工程（天津）有限公司 | Light steel truss structure integrated building system |
| CN104233963A (en) * | 2014-09-10 | 2014-12-24 | 北京工业大学 | Prestress-adjustable steel truss for reinforcing PSC (prestressed concrete) continuous box girder bridge and construction method |
| CN205046680U (en) * | 2015-09-08 | 2016-02-24 | 兰州有色冶金设计研究院有限公司 | Parallel chords steel pipe truss connection structure |
| CN106088480A (en) * | 2016-06-15 | 2016-11-09 | 杭州材智建筑科技有限公司 | Girder truss, the combination beam of application girder truss and the compound superstructure of application girder truss |
| KR101818883B1 (en) * | 2017-04-28 | 2018-01-15 | 이충섭 | Segmentation composite girder and construction method of the same |
| CN207003822U (en) * | 2017-05-12 | 2018-02-13 | 杭萧钢构股份有限公司 | Buckling-restrained steel coupling beam and its steel plate concrete combined shear wall structural system |
| CN107297600A (en) * | 2017-06-30 | 2017-10-27 | 中建钢构有限公司 | The preparation method and high-strength bolt hole group's truss of high-strength bolt hole group's truss |
| CN207794293U (en) * | 2018-01-30 | 2018-08-31 | 浙江恒欣建筑设计股份有限公司 | A kind of mixing frame body of steel and concrete and steel |
| CN210263635U (en) * | 2019-04-29 | 2020-04-07 | 深圳市建筑设计研究总院有限公司 | Full bolted connection's truss-like shaped steel concrete beam |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821037A (en) * | 2019-12-20 | 2020-02-21 | 重庆交通大学 | T-shaped beam and box beam with fiber reinforced composite grid web |
| CN116290564A (en) * | 2023-03-28 | 2023-06-23 | 广西北投建筑工程有限公司 | Light truss type steel reinforced concrete beam structural member |
| CN116290564B (en) * | 2023-03-28 | 2024-04-02 | 广西北投建筑工程有限公司 | Light truss type steel reinforced concrete beam structural member |
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