CN213653938U - Continuous laminated floor slab of span beam support - Google Patents
Continuous laminated floor slab of span beam support Download PDFInfo
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- CN213653938U CN213653938U CN202022263418.5U CN202022263418U CN213653938U CN 213653938 U CN213653938 U CN 213653938U CN 202022263418 U CN202022263418 U CN 202022263418U CN 213653938 U CN213653938 U CN 213653938U
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Abstract
The utility model provides a continuous coincide floor of span beam support, comprising a base plate, parallel arrangement has multiunit main truss on the bottom plate, every group main truss all includes truss last quarter, truss last quarter both sides set up main truss web muscle, the main truss web muscle of each side of truss last quarter respectively by a reinforcing bar continuous bending type, still be provided with multiunit auxiliary truss on the bottom plate, auxiliary truss and main truss interval arrangement, every group auxiliary truss all includes truss last quarter muscle, the both sides of truss last quarter muscle set up the auxiliary truss web muscle. Can stride across a plurality of roof beams and lay the installation, and the moment of flexure that the coincide floor between the roof beam bore can be less relatively, can effectively promote the efficiency of construction under the prerequisite of guaranteeing construction quality.
Description
Technical Field
The utility model belongs to the technical field of the coincide floor technique and specifically relates to a continuous coincide floor of span beam support.
Background
The composite floor slab is an integral assembled floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers, and has good integrity, flat upper and lower surfaces, and convenient decoration of a finish coat, and is suitable for high-rise buildings and large-bay buildings with higher integral rigidity requirements. However, the conventional common composite floor slab usually has a laying distance not exceeding one beam interval, has the disadvantages of small plate block and low hoisting efficiency, and particularly for high-rise building construction, frequent hoisting operation can seriously affect the progress of the whole project.
Disclosure of Invention
In order to solve the above problem, an object of the utility model is to provide a continuous coincide floor of span beam support can stride across a plurality of roof beams and lay the installation, and the moment of flexure that coincide floor between the roof beam bore can be less relatively, can effectively promote the efficiency of construction under the prerequisite of guaranteeing construction quality.
The utility model provides a technical scheme that its technical problem adopted is: a continuous coincide floor of span beam support, comprising a base plate, parallel arrangement multiunit main truss on the bottom plate, every group main truss all includes truss last quarter, truss last quarter both sides set up the main truss web muscle, the main truss web muscle of every side of truss last quarter respectively is buckled continuously by a reinforcing bar and is formed, still be provided with multiunit truss on the bottom plate, truss and main truss interval arrangement, every group truss all includes truss last quarter muscle, the both sides of truss last quarter muscle set up the truss web muscle, the truss last quarter web muscle of every side of truss last quarter muscle respectively is buckled continuously by a reinforcing bar and is formed, a plurality of hole of arranging perpendicularly with the main truss still has been seted up in the intermediate position department of bottom plate. And two sides of the upper bending part of the web rib of the main truss are respectively welded with the upper chord of the truss through an upper welding point. The holes are circular holes. The holes are rectangular holes. The holes are located in the middle of the main truss and the auxiliary truss, and the length of the auxiliary truss is larger than or equal to one fourth of the length of the whole bottom plate. The holes are located in the middle of the main truss and the auxiliary truss, and the length of the auxiliary truss is one fourth of the length of the whole bottom plate. The truss upper chord is an upper chord rib. The truss upper chord is an upper chord pipe. The upper chord pipe is a hollow steel pipe, and hard fillers are filled in the upper chord pipe.
The utility model has the advantages of: a continuous coincide floor of span beam support, the slab width of the bottom plate grow, more be favorable to preparation and transportation in earlier stage, can stride across a plurality of roof beams and lay the installation, under the prerequisite of laying the area the same, can improve the efficiency of hoist and mount operation to a certain extent, because the span beam of coincide floor is laid, its installation span is showing and is improving, the moment of flexure that the coincide floor between two roof beams bore also can diminish, in the subsequent cast-in-place concrete work progress, can also reduce to support or need not support the normal clear that just can guarantee the construction, thereby reduce unnecessary operation step, accelerate the progress of whole engineering.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of the view from the direction A in FIG. 1;
FIG. 3 is a schematic structural view of a rectangular hole in a bottom plate;
FIG. 4 is a simplified view of a conventional composite floor slab in terms of bending moment;
FIG. 5 is a simplified illustration of the bending moment experienced by the continuous composite floor installation of the span beam support;
FIG. 6 is a schematic view showing the installation of a conventional composite floor slab;
figure 7 is a schematic view of the installation of a continuous laminated floor slab of a span beam support.
Detailed Description
A continuous coincide floor of span beam support, as shown in fig. 1, including bottom plate 1, bottom plate 1 can be current steel sheet or concrete slab, parallel arrangement multiunit main truss 2 on the bottom plate 1, the bulk strength of continuous coincide floor can effectively be strengthened to main truss 2, and improve the connection ability between the concrete of continuous coincide floor and follow-up pouring, as shown in fig. 2, every group main truss 2 all includes truss upper chord 3, truss upper chord 3 both sides set up main truss web muscle 4, main truss web muscle 4 of every side of truss upper chord 3 respectively is buckled continuously by a reinforcing bar and is formed, wherein the bottom and the 1 fixed connection of bottom plate of main web truss web muscle 4, main truss web muscle 4's upper end and truss upper chord 3 fixed connection, every group main truss 2 all arranges along bottom plate 1's length direction.
In order to further increase the installation strength of the continuous composite floor slab of the span beam support, a plurality of groups of auxiliary trusses 5 are further arranged on the bottom plate 1, the auxiliary trusses 5 and the main trusses 2 are arranged at intervals and are all arranged along the length direction of the bottom plate 1, each group of auxiliary trusses 5 comprises an upper truss chord rib 6, the upper truss chord ribs 6 can be steel bars, auxiliary truss web ribs 7 are arranged on two sides of the upper truss chord ribs 6, the auxiliary truss web ribs 7 on each side of the upper truss chord ribs 6 are formed by continuously bending the steel bars respectively, the bottom ends of the auxiliary truss web ribs 7 are fixedly connected with the bottom plate 1, and the upper ends of the auxiliary truss web ribs 7 are fixedly connected with the upper truss chord ribs 6.
A plurality of holes 8 which are perpendicular to the main truss 2 are formed in the middle of the bottom plate 1, shear nails 12 are installed in the holes 8, and the shear nails 12 are fixedly connected with a steel beam 11 at the bottom of the composite floor slab, so that the installation strength between the bottom plate 1 and the steel beam 11 is guaranteed.
Analyzing the bending moment of the common composite floor slab 10 and the continuous composite floor slab of the cross beam support of the present invention after installation, as shown in fig. 4, the common composite floor slab 10 is located between two steel beams 11, the bending moment applied when concrete is poured thereon is C, as shown in FIG. 5, when the continuous laminated floor slab of the cross beam support of the utility model is installed on the steel beam 11, since the steel beams 11 span across, when the same mass of concrete is poured thereon, the bending moment part moves upwards, a negative bending moment area B is formed, and the bending moment between two steel beams 11 is actually a, wherein C is a + B, that is, the bending moment borne by the composite floor slab between every two steel beams 11 can be obviously reduced, and the bottom plate 1 can not be additionally supported in the concrete pouring process, so that the construction can be normally carried out, and the progress of the whole engineering can be effectively improved.
When using a during continuous coincide floor of span beam support, at first with the mounted position of whole continuous coincide floor hoist and mount to girder steel 11, make a plurality of girder steels 11 of bottom plate 1 strideed across to let the girder steel 11 positions of hole 8 and bottom on the bottom plate 1 corresponding, later install shear force nail 12 in hole 8, on fixing girder steel 11 with bottom plate 1, after finishing the installation alright lay upper reinforcing bar or steel reinforcement cage on the upper portion of bottom plate 1, carry out concrete placement again, just can form whole floor.
The main truss web rib 4 and the truss upper chord 3 can be fixed by welding, as shown in fig. 2, two sides of the upper bending part of the main truss web rib 4 are respectively welded with the truss upper chord 3 by an upper welding point 9.
As shown in fig. 1, the holes 8 of the base plate 1 are circular holes, each of which can be provided with one shear pin 12, as shown in fig. 3, the holes 8 can also be rectangular holes, and a plurality of shear pins 12 can be arranged in the rectangular holes.
Further, the hole 8 is located in the middle of the main truss 2 and the sub-truss 5, the length of the sub-truss 5 is greater than or equal to one fourth of the length of the whole bottom plate 1, when the length of the sub-truss 5 is one fourth of the length of the whole bottom plate 1, that is, the middle of the main truss 2 and the sub-truss 5 coincides with the middle of the bottom plate 1 in the length direction, the sub-truss 5 on one side of the hole 8 is half of the length of the whole sub-truss 5, the bottom plate 1 on one side of the hole 8 is half of the length of the whole bottom plate 1, and the length of the sub-truss 5 on the same side of the hole 8 is one fourth of the length of the bottom.
The truss upper chord 3 can be an upper chord rib, the upper chord rib is made of steel bars, the truss upper chord 3 can also be an upper chord pipe, the upper chord pipe is a hollow steel pipe, in order to further improve the rigidity of the main truss 2, hard fillers can be filled in the upper chord pipe, and the hard fillers can be various materials such as concrete, cement mortar and the like. The truss upper chord 3 can also adopt section bars such as angle steel, H-shaped steel and the like.
Technical scheme of the utility model not be restricted to the utility model the within range of embodiment. The technical contents not described in detail in the present invention are all known techniques.
Claims (9)
1. The utility model provides a stride continuous coincide floor of roof beam support which characterized in that: the truss structure comprises a base plate (1), a plurality of groups of main trusses (2) are arranged on the base plate (1) in parallel, each group of main trusses (2) comprises a truss upper chord (3), main truss web reinforcements (4) are arranged on two sides of the truss upper chord (3), each main truss web reinforcement (4) on each side of the truss upper chord (3) is formed by continuously bending a steel bar, a plurality of groups of auxiliary trusses (5) are further arranged on the base plate (1), the auxiliary trusses (5) are arranged at intervals with the main trusses (2), each group of auxiliary trusses (5) comprises a truss upper chord reinforcement (6), two sides of each truss upper chord (6) are provided with auxiliary truss web reinforcements (7), each auxiliary truss web reinforcement (7) on each side of each truss upper chord (6) is formed by continuously bending a steel bar, and a plurality of holes (8) which are vertically arranged with the main trusses (2) are further formed in the middle position of.
2. A continuous laminated floor slab of a span beam support according to claim 1, wherein: and two sides of the upper bending part of the main truss web rib (4) are respectively welded with the truss upper chord (3) through an upper welding point (9).
3. A continuous laminated floor slab of a span beam support according to claim 1, wherein: the holes (8) are circular holes.
4. A continuous laminated floor slab of a span beam support according to claim 1, wherein: the holes (8) are rectangular holes.
5. A continuous laminated floor slab of a span beam support according to claim 1, wherein: the holes (8) are located in the middle of the main truss (2) and the auxiliary truss (5), and the length of the auxiliary truss (5) is larger than or equal to one fourth of the length of the whole bottom plate (1).
6. A continuous laminated floor slab of a span beam support according to claim 1, wherein: the holes (8) are located in the middle of the main truss (2) and the auxiliary truss (5), and the length of the auxiliary truss (5) is one fourth of the length of the whole bottom plate (1).
7. A continuous laminated floor slab of a span beam support according to claim 1, wherein: the truss upper chord (3) is an upper chord rib.
8. A continuous laminated floor slab of a span beam support according to claim 1, wherein: the truss upper chord (3) is an upper chord pipe.
9. A continuous laminated floor slab of a span beam support according to claim 8, wherein: the upper chord pipe is a hollow steel pipe, and hard fillers are filled in the upper chord pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022263418.5U CN213653938U (en) | 2020-10-12 | 2020-10-12 | Continuous laminated floor slab of span beam support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022263418.5U CN213653938U (en) | 2020-10-12 | 2020-10-12 | Continuous laminated floor slab of span beam support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213653938U true CN213653938U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022263418.5U Active CN213653938U (en) | 2020-10-12 | 2020-10-12 | Continuous laminated floor slab of span beam support |
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|---|---|
| CN (1) | CN213653938U (en) |
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2020
- 2020-10-12 CN CN202022263418.5U patent/CN213653938U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220728 Address after: 250000 north of No. 5 road and west of Panwang Road, Longshan Industrial Park, Longshan street, Zhangqiu District, Jinan City, Shandong Province Patentee after: Shandong Wanda Technology Co.,Ltd. Address before: No. 102, unit 1, building 5, No. 81, Qianfo Shandong Road, Lixia District, Jinan City, Shandong Province Patentee before: Zhang Bo |
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| TR01 | Transfer of patent right |