CN109930747A - A kind of cast-in-place package Honeycomb Beam for the welded type holes in soffit that misplaces - Google Patents
A kind of cast-in-place package Honeycomb Beam for the welded type holes in soffit that misplaces Download PDFInfo
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- CN109930747A CN109930747A CN201910316451.9A CN201910316451A CN109930747A CN 109930747 A CN109930747 A CN 109930747A CN 201910316451 A CN201910316451 A CN 201910316451A CN 109930747 A CN109930747 A CN 109930747A
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- girder
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- soffit
- longitudinal reinforcement
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Abstract
The invention discloses a kind of cast-in-place package Honeycomb Beams of welded type holes in soffit that misplaces comprising the steel skeleton being made of girder and secondary beam；Wherein, girder and secondary beam are made of I-beam, which includes web and the top flange and lower flange for being separately positioned on its web or more two sides；Default broken line cutting of the I-beam on its web is divided into two a sides along toothed girder steel, and the toothed side dislocation welding of two girder steels forms the girder or secondary beam of web strips hole；After the completion of steel prefabricated skeleton, longitudinal reinforcement and pipeline are arranged wherein；Wherein, lower part longitudinal reinforcement and pipeline both pass through the hole on web, and top longitudinal reinforcement passes through from the top of top flange, are arranging longitudinal reinforcement and pipeline after-pouring concrete, steel skeleton is wrapped up with concrete, so that steel skeleton and reinforced concrete floor form integral module.Honeycomb Beam cross sectional moment of inertia of the invention and anti-bending bearing capacity are big, and have good energy dissipation capacity under seismic loading.
Description
Technical field
The present invention relates to building element technical field more particularly to a kind of cast-in-place package bees for the welded type holes in soffit that misplaces
Nest beam.
Background technique
Annual 20 billion cubic meter of town and country newly constructed house area in China, wherein 80% the above are high energy consumption building, China's units
Construction area energy consumption is the 2 times or more of developed country.Meter is joined in a common effort according to Chinese steel, China's output of steel reaches 800,000,000 tons within 2016, from
The first in the world is sure to occupy from 2000, corresponding current domestic construction industrialization degree is less than 10%, and developed country's steel construction
Construction area accounts for 50% or more overall floorage, and Japan accounts for 80%.China is maximum as construction scope in the world, steel yield
Country, the development of light-duty steel construction house seriously lags.
China's building mostly uses traditional cast-in-place construction mode using combination beam floor now, and the girder steel below floor is
Steel flanged beam, steel using amount is big, causes deck-molding limited, if needing reduced beam section or holes in soffit further to consider its destabilization problems,
And girder steel easy-to-rust, non-refractory, anti-corrosion, fire prevention the problems such as it is particularly important；Girder steel needs peg to be connected with each other with floor, expends
Human and material resources；Delivering concrete is caused to enter since girder steel top flange distance template is closer using the combination beam that concrete wraps up
Mouth is minimum, and construction is inconvenient；Pipeline used is built mostly in the lower section of beam slab, causes to build headroom reduction, occupies indoor use space；
Under by load situations such as earthquakes, floor is controlling sections at support, bears hogging moment, and armored concrete is in tension shape
State is easily destroyed；In addition, beam slab section is T shape, deck-molding is the sum of girder steel height h0 and slab thickness L, girder steel free height h0
It cannot function as deck-molding expression, statement is easily obscured.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of cast-in-place packet of welded type holes in soffit that misplaces
Honeycomb Beam is wrapped up in, the cast-in-place package Honeycomb Beam of the dislocation welded type holes in soffit includes four girders and a secondary beam；Described four
Girder is combined into rectangular frame, and the secondary beam is fixed in the rectangular frame, the girder with rectangular frame short side side
It is arranged in parallel, forms steel skeleton；
Wherein, the girder and the secondary beam are made of I-beam, and the I-beam includes web and is separately positioned on
The top flange and lower flange of two sides above and below its web；Default broken line cutting of the I-beam on its web is divided into two sides
The toothed girder steel in edge, the toothed side dislocation welding of two girder steels form the girder or described secondary of web strips hole
Beam；
After the completion of the steel prefabricated skeleton, arranges longitudinal reinforcement wherein and pipeline, the longitudinal reinforcement include top
Longitudinal reinforcement and lower part longitudinal reinforcement；Wherein, the lower part longitudinal reinforcement and the pipeline both pass through on the girder and secondary beam
Hole, the top longitudinal reinforcement passes through from the top flange top of the girder and secondary beam, is arranging the longitudinal reinforcement
With the pipeline after-pouring concrete, the steel skeleton is wrapped up with concrete, so that the steel skeleton and reinforcing bar
Concrete floor forms integral module.
Further, the top quartile of the girder and the secondary beam is inside the reinforced concrete floor.
Further, the top flange of the I-beam includes two trapezoidal plates；Wherein, described two trapezoidal plates are respectively set
Both ends on the upside of the I-beam.
Further, the width of the top flange of the I-beam is less than the width of the lower flange of the I-beam.
Optionally, the hole on the girder and the secondary beam is hexagonal.
Optionally, the hole on the girder and the secondary beam is in rectangle.
Optionally, between the girder and the girder and between the girder and the secondary beam, with the side of welding
Formula is connected and fixed.
The cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit provided by the invention has the following beneficial effects:
The cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit provided by the invention cuts steel beam web plate along broken line,
Then the girder steel that dislocation welding forms holes in soffit makes deck-molding to take full advantage of material under the premise of not increasing steel
Increase, increases cross sectional moment of inertia, anti-bending bearing capacity also increases；
Multiple hexagons or rectangle hole are formed at steel beam web plate simultaneously, so that building pipeline used (water, warm, electricity
Pipe etc.) it can be passed through from the hole of steel beam web plate, give up the traditional approach for walking pipeline in furred ceiling, has accomplished that pipeline is not exposed,
Indoor regular beauty is achieved the effect that, and has increased clear height inside room, to increase use space；
According to the hogging moment size born close to support position girder steel, the top flange shape of girder steel is become trapezoidal, simultaneously
Top flange is not set in the middle part of girder steel, or girder steel top flange is narrowed, so that steel are saved, larger by cyclic reverse loadings such as geological processes
In the case where, top flange surrender, but because it is in reinforced concrete floor, therefore unstable phenomenon will not occur, have good
Energy dissipation capacity, lower flange is wider, and plastic instability phenomenon does not occur yet, and package concrete will not be made to fall off；
After the completion of construction, girder steel is fully wrapped around in inside by concrete, improves the local stability of component, and has good
Anti-corrosion, flameproof effect；
Conventional composite beam floor beam section by T shape calculate, deck-molding be the sum of girder steel height h0 and slab thickness L, therewith not
With, and cast-in-place package Honeycomb Beam of the invention is beam slab integral module, deck-molding is girder steel clear height h0, is stated more bright
Really；In addition, floor is in T section top in conventional composite beam floor, girder steel is located at below floor, the bearing load the case where
Under, at support floor bear hogging moment, be in tension state, and the girder steel top quartile of cast-in-place package Honeycomb Beam of the invention in
Inside floor, the connection of beam slab peg is on the one hand not only saved, concrete casting improves construction efficiency, on the other hand makes steel
The neutral axis of joist support bending moment moves up, and floor cross section under tension area reduces, and structural safety performance gets a promotion.
Detailed description of the invention
Fig. 1 and Fig. 2 is the steel beam web plate production flow diagram for opening hexagonal holes of the invention；
Fig. 3 is the steel beam web plate production flow diagram that the present invention opens rectangle hole
Fig. 4 is the girder steel schematic diagram that web of the present invention opens hexagonal holes；
Fig. 5 is the girder steel schematic diagram that web of the present invention opens rectangle hole；
Fig. 6 is the steel skeleton schematic diagram of cast-in-place package Honeycomb Beam of the invention；
Fig. 7 is the section exploded view of cast-in-place package Honeycomb Beam of the invention；
Fig. 8 is the sectional view after the completion of cast-in-place package Honeycomb Beam of the invention pours；
Fig. 9 is the girder steel schematic diagram that top flange of the present invention is relatively narrow, web opens hexagonal holes；
Figure 10 is the girder steel schematic diagram that top flange of the present invention is relatively narrow, web opens rectangle hole；
Figure 11 is that top flange of the present invention is the girder steel schematic diagram that trapezoidal, web opens hexagonal holes；
Figure 12 is that top flange of the present invention is the girder steel schematic diagram that trapezoidal, web opens rectangle hole；
Figure 13 is the steel skeleton schematic diagram of the cast-in-place package Honeycomb Beam of weakening type in top flange of the invention；
Figure 14 is the section exploded view of the cast-in-place package Honeycomb Beam of weakening type in top flange of the invention；
Figure 15 is that cast-in-place the pouring for package Honeycomb Beam of weakening type in top flange of the invention completes sectional view.
Description of symbols:
1: web, 2: top flange, 3: lower flange, 4: hole, 5: girder, 6: secondary beam,
7: steel skeleton, 8: concrete.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 to Figure 15 is please referred to, the present embodiment provides a kind of cast-in-place package Honeycomb Beams of welded type holes in soffit that misplaces, should
The cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit includes four girders 5 and a secondary beam 6；Four girders 5 are combined into square
Shape frame, secondary beam 6 are fixed in the rectangular frame, are arranged in parallel with the girder 5 of rectangular frame short side side, and steel skeleton is formed
7, as shown in fig 6 and fig 13.Wherein, between each girder 5 and between girder 5 and secondary beam 6, connection is solid in a welding manner
It is fixed.
Wherein, girder 5 and secondary beam 6 are made of I-beam, which includes web 1 and be separately positioned on its web 1
The top flange 2 and lower flange 3 of upper and lower two sides；Default broken line cutting of the I-beam on its web 1 is divided into two a sides along band
The girder steel of tooth, the toothed side dislocation welding of two girder steels forms the girder 5 or secondary beam 6 of web strips hole 4, thus sufficiently benefit
With material, in the case where not increasing steel, so that web 1 increases, while being formed on multiple holes 4, so that beam
Height increases, so that cross sectional moment of inertia increases, anti-bending bearing capacity also increases.
After the completion of steel skeleton 7 is prefabricated, longitudinal reinforcement and pipeline (water, warm, fulgurite etc.), the longitudinal reinforcement are arranged wherein
Including top longitudinal reinforcement and lower part longitudinal reinforcement；Wherein, lower part longitudinal reinforcement and pipeline both pass through on girder 5 and secondary beam 6
Hole 4 increases clear height inside room to be hidden in inside floor, and achievees the effect that indoor regular beautiful.Top longitudinal direction steel
Muscle passes through from the top of the top flange of girder 5 and secondary beam 6, is arranging longitudinal reinforcement and pipeline after-pouring concrete eight, is using coagulation
Soil 8 wraps up steel skeleton 7, so that steel skeleton 7 and reinforced concrete floor form integral module；
The top quartile of above-mentioned girder 5 and secondary beam 6 is inside reinforced concrete floor, such as Fig. 7, Fig. 8, Figure 14 and Figure 15
It is shown；In this way, can not only save the connection of beam slab peg, it is convenient for concrete casting, improves construction efficiency, and can be in building
In the case of plate load-bearing, the neutral axis that girder steel bears moment of flexure is moved up, and floor hogging moment reduces at support, and cross section under tension area reduces,
Structural safety performance gets a promotion.And since steel skeleton 7 is fully wrapped around in inside by concrete eight, to improve component
Local stability, and have good anti-corrosion, flameproof effect.Further, since the top flange 2 of girder steel is located at the upper surface of floor,
Therefore deck-molding is girder steel clear height h0, and statement is clear.
Further, according to the hogging moment size born close to support position girder steel, by above-mentioned I-beam in the present embodiment
Top flange 2 be arranged to two trapezoidal plates；Two trapezoidal plates are separately positioned on the both ends on the upside of I-beam, and middle section is then not
If the edge of a wing, as is illustrated by figs. 11 and 12；Or by 2 constriction of top flange, so that the width of the top flange 2 of I-beam is less than its lower flange
3 width；As shown in Figure 9 and Figure 10.To saving steel, under by the biggish situation of the cyclic reverse loadings such as geological process, upper limb
Edge 2 is surrendered, but because it is in reinforced concrete floor, therefore unstable phenomenon will not occur, and has good energy dissipation capacity, bottom wing
Edge 3 is wider, and plastic instability phenomenon does not occur yet, and package concrete will not be made to fall off.
Optionally, the hole 4 on above-mentioned girder 5 and secondary beam 6 can be hexagonal, as shown in Fig. 4, Fig. 9 and Figure 11；Or it is in
Rectangle, as shown in Fig. 5, Figure 10 and Figure 12.Since hexagon or its aperture of the hole 4 of rectangle are larger, compared with circular hole
Advantage is that more convenient pipeline is extended there through with reinforcing bar.
The assembly method of the cast-in-place package Honeycomb Beam of the dislocation welded type holes in soffit of the present embodiment is as follows:
Web 1 is cut along broken line in factory, then dislocation welding so that web 1 increases, and formed multiple hexagons or
The hole 4 of rectangle；Girder 5 is placed in surrounding as frame, and the secondary beam 6 at middle part is parallel to short side girder and places, between each girder steel
Junction is fixed with welding manner；The steel skeleton 7 being prefabricated in the factory is transported to construction site, is placed by the way of lifting
In the template propped up, floor internal pipeline and reinforcing bar, last casting concrete 8 are then arranged.
In addition, it should be noted that, the terms "include", "comprise" or its any other variant are intended in the present embodiment
Cover non-exclusive inclusion, so that including that process, method, article or the terminal device of a series of elements not only include
Those elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of person's terminal device.In the absence of more restrictions, the element limited by sentence "including a ...",
Be not precluded is including that there is also other identical elements in the process, method of the element, article or terminal device.
The above is only the preferred embodiment of the present invention, are not intended to restrict the invention, and those skilled in the art are come
It says, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any modification, equivalent
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of cast-in-place package Honeycomb Beam for the welded type holes in soffit that misplaces, which is characterized in that including four girders and one time
Beam；Four girders are combined into rectangular frame, and the secondary beam is fixed in the rectangular frame, with the rectangular frame short side
The girder of side is arranged in parallel, and forms steel skeleton；
Wherein, the girder and the secondary beam are made of I-beam, and the I-beam includes web and is separately positioned on its abdomen
The top flange and lower flange of two sides above and below plate；Default broken line cutting of the I-beam on its web is divided into two a side edges
Toothed girder steel, the toothed side dislocation welding of two girder steels form the girder or the secondary beam of web strips hole；
After the completion of the steel prefabricated skeleton, arrange that longitudinal reinforcement and pipeline, the longitudinal reinforcement include top longitudinal direction wherein
Reinforcing bar and lower part longitudinal reinforcement；Wherein, the lower part longitudinal reinforcement and the pipeline both pass through the hole on the girder and secondary beam
Hole, the top longitudinal reinforcement pass through from the top flange top of the girder and secondary beam, are arranging the longitudinal reinforcement and institute
Pipeline after-pouring concrete is stated, is wrapped up the steel skeleton with concrete, so that the steel skeleton and reinforced concrete
Tulou plate forms integral module.
2. the cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit as described in claim 1, which is characterized in that the girder
Top quartile with the secondary beam is inside the reinforced concrete floor.
3. the cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit as described in claim 1, which is characterized in that the I-shaped
The top flange of beam includes two trapezoidal plates；Wherein, described two trapezoidal plates are separately positioned on the both ends on the upside of the I-beam.
4. the cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit as described in claim 1, which is characterized in that the I-shaped
The width of the top flange of beam is less than the width of the lower flange of the I-beam.
5. the cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit as described in claim 1, which is characterized in that the girder
It is hexagonal with the hole on the secondary beam.
6. the cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit as described in claim 1, which is characterized in that the girder
It is in rectangle with the hole on the secondary beam.
7. the cast-in-place package Honeycomb Beam of dislocation welded type holes in soffit as described in claim 1, which is characterized in that the girder
Between the girder and between the girder and the secondary beam, it is connected and fixed in a welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316451.9A CN109930747A (en) | 2019-04-19 | 2019-04-19 | A kind of cast-in-place package Honeycomb Beam for the welded type holes in soffit that misplaces |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316451.9A CN109930747A (en) | 2019-04-19 | 2019-04-19 | A kind of cast-in-place package Honeycomb Beam for the welded type holes in soffit that misplaces |
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| CN109930747A true CN109930747A (en) | 2019-06-25 |
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| CN201910316451.9A Pending CN109930747A (en) | 2019-04-19 | 2019-04-19 | A kind of cast-in-place package Honeycomb Beam for the welded type holes in soffit that misplaces |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982729A (en) * | 2021-03-16 | 2021-06-18 | 北京工业大学 | Modularized concrete-filled steel tube multidimensional energy dissipation wall with uniformly distributed stress under earthquake |
| US11236500B2 (en) | 2020-04-29 | 2022-02-01 | Folding Holdings, LLC | Built-up beams and building structures |
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| CN108385885A (en) * | 2018-02-12 | 2018-08-10 | 北京工业大学 | A kind of assembled stealth beam floor |
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|---|---|---|---|---|
| CN2632188Y (en) * | 2003-06-03 | 2004-08-11 | 张英保 | Assembled building top |
| CN103132649A (en) * | 2013-03-13 | 2013-06-05 | 广西大学 | Steel box girder matched with cellular steel web plate |
| CN203429885U (en) * | 2013-06-28 | 2014-02-12 | 湖北弘毅建筑装饰工程有限公司 | Circular-hole web box-shaped steel reinforced concrete composite flat beam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11236500B2 (en) | 2020-04-29 | 2022-02-01 | Folding Holdings, LLC | Built-up beams and building structures |
| US20220396946A1 (en) * | 2020-04-29 | 2022-12-15 | Folding Holdings, LLC | Built-up beams and building structures |
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| CN112982729A (en) * | 2021-03-16 | 2021-06-18 | 北京工业大学 | Modularized concrete-filled steel tube multidimensional energy dissipation wall with uniformly distributed stress under earthquake |
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Application publication date: 20190625 |