CN220620721U - Orthogonal steel bar truss for assembly type multi-rib floor dismantling-free formwork - Google Patents
Orthogonal steel bar truss for assembly type multi-rib floor dismantling-free formwork Download PDFInfo
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- CN220620721U CN220620721U CN202322077735.1U CN202322077735U CN220620721U CN 220620721 U CN220620721 U CN 220620721U CN 202322077735 U CN202322077735 U CN 202322077735U CN 220620721 U CN220620721 U CN 220620721U
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- steel bar
- rib
- upper chord
- bar truss
- trusses
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 115
- 239000010959 steel Substances 0.000 title claims abstract description 115
- 238000009415 formwork Methods 0.000 title claims abstract description 21
- 238000004513 sizing Methods 0.000 claims abstract description 45
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 29
- 238000003466 welding Methods 0.000 claims description 13
- 210000003205 muscle Anatomy 0.000 claims description 12
- 210000002435 tendon Anatomy 0.000 claims description 10
- 238000005728 strengthening Methods 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000004567 concrete Substances 0.000 abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses an orthogonal steel bar truss for an assembly type rib floor dismantling-free formwork, which comprises a plurality of transverse steel bar trusses and a plurality of longitudinal steel bar trusses, wherein the transverse steel bar trusses and the longitudinal steel bar trusses are arranged in an up-down staggered and crossed mode, the steel bar trusses comprise a first upper chord rib and a second upper chord rib, the first upper chord rib and the second upper chord rib are arranged in parallel and opposite mode, rectangular stirrups are further arranged on the outer sides of the first upper chord rib and the second upper chord rib, the rectangular stirrups and the steel bar trusses are vertical or transversely inclined for a certain angle, sizing blocks are arranged on the lower sides of bottom angles of the rectangular stirrups, and reinforcing ribs are arranged on the lower sides of the sizing blocks. The utility model can utilize the upper chord rib at the top of the dense rib to strengthen the rigidity of the concrete slab body of the dismantling-free formwork through the truss, the bottom of the steel bar truss is provided with the rectangular stirrup, when the stressed steel bar is laid on the inner side of the bottom angle in a two-way through length manner, no break is needed, the reliability is strong, the dense rib height is higher, and the on-site steel bar is easy to wear. The method is suitable for the non-secondary beam, large-span and bidirectional ribbed floor slab.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to an orthogonal steel bar truss for an assembled ribbed floor dismantling-free formwork.
Background
The prior art steel bar truss is formed by welding upper and lower layers of longitudinal steel bars (namely upper and lower chord bars) and bent small-diameter steel bars (namely web bars) to form the truss which has certain rigidity and can bear load. The whole truss is low in height, and the field steel bar penetrating difficulty is high.
The prior art steel bar truss is generally formed by an upper chord rib and two lower chord ribs, and then the upper chord rib and the lower chord rib are connected by web ribs to form two sides of the triangle. The steel bar truss is generally used as a structure for enhancing the rigidity of a precast concrete board body, and the plate surface steel bars and the plate bottom steel bars are precast in a unidirectional part and are only applied to unidirectional common floor structures.
The structure of the steel bar truss in the prior art is simple and convenient to process, but is limited in application range of building structures, and is only applied to a common floor structure with secondary beams or small spans.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the orthogonal steel bar truss for the disassembly-free formwork of the assembled multi-ribbed floor, the upper chord rib at the top of the multi-ribbed can be utilized to strengthen the rigidity of a concrete slab of the disassembly-free formwork through the truss, when in site operation, the bottom of the steel bar truss is provided with the rectangular stirrup, when the stressed steel bars are paved on the inner side of the bottom angle in a two-way through way, the stress steel bars are not required to be broken, the reliability is high, the height of the multi-ribbed is high, and the site steel bars are easy to wear. The method is suitable for the non-secondary beam, large-span and bidirectional ribbed floor slab. The upper chord rib of the dense rib is a structural reinforcing steel bar, can be produced in a modularized and batch mode, and is less limited by design.
The utility model provides the following technical scheme: the utility model provides an orthogonal steel bar truss for assembled rib floor dismantling-free template, includes a plurality of horizontal steel bar trusses and a plurality of vertical steel bar trusses, dislocation cross arrangement about horizontal steel bar trusses and vertical steel bar trusses, the steel bar trusses includes first string muscle and second string muscle of going up, first string muscle and second string muscle parallel opposition setting of going up, first string muscle and second string muscle outside of going up still are equipped with the rectangle stirrup, the rectangle stirrup is perpendicular form or horizontal inclination certain angle with the steel bar trusses, rectangle stirrup base angle outside is equipped with the sizing block, the sizing block includes first sizing block and second sizing block, rectangle stirrup left side base angle downside is through first sizing block connection first strengthening rib, rectangle stirrup right side base angle downside is through second sizing block connection second strengthening rib. The rectangular stirrups and the reinforcing ribs are connected through sizing blocks, so that the durability and stability of the orthogonal truss can be enhanced.
Preferably, bottom corners on two sides of the rectangular stirrup are arranged at the middle part above the sizing block.
Preferably, a first reinforcing rib is arranged below the first sizing block, and a second reinforcing rib is arranged below the second sizing block.
Preferably, the rectangular stirrup can connect the first upper chord rib and the second upper chord rib from the outside.
Preferably, the first sizing block is welded and fixed with the lower side of the left bottom corner of the rectangular stirrup and the lower side of the right bottom corner of the rectangular stirrup.
Preferably, the two upper chord tendons of the longitudinal steel bar truss are arranged above the two upper chord tendons of the transverse steel bar truss, and the two reinforcing ribs of the longitudinal steel bar truss are arranged above the two reinforcing ribs of the transverse steel bar truss.
Preferably, the two upper chord tendons of the transverse steel bar truss are arranged above the two upper chord tendons of the longitudinal steel bar truss, and the two reinforcing ribs of the transverse steel bar truss are arranged above the two reinforcing ribs of the longitudinal steel bar truss.
Preferably, the transverse steel bar trusses and the longitudinal steel bar trusses are crossed and staggered to form accommodating spaces with different specifications, and square boxes with corresponding specifications can be arranged.
Preferably, the cross staggered connection parts of the transverse steel bar trusses and the longitudinal steel bar trusses are connected through welding, binding and machinery.
Preferably, the two ends of the lower side of the sizing block and the rectangular stirrup and the sizing block and the reinforcing ribs are welded and fixed, and resistance welding is preferred.
Preferably, the first upper chord rib, the second upper chord rib, the rectangular stirrup, the sizing block and the corresponding reinforcing ribs right below can be subjected to pre-positioning treatment through welding, hinging, binding and machinery, and then are further fixedly connected.
Preferably, the two ends of the first upper chord rib and the second upper chord rib are respectively provided with an extension section exceeding the rectangular stirrup, and the transverse steel bar truss and the longitudinal steel bar truss are in a shape with two flush ends or different lengths, so that the joint of the upper chord ribs is convenient.
Preferably, the rectangular stirrups are longitudinally arranged on the outer sides of the first upper chord rib and the second upper chord rib, and the rectangular stirrups are sequentially arranged along the direction of the upper chord rib.
Preferably, the rectangular stirrups can be arranged at equal intervals or unequal intervals, and the number of the rectangular stirrups can be increased according to the requirement.
Preferably, resistance welding can be adopted for welding, the thickness of the steel bars at the welding points is not changed, and the reliability of the connecting points is enhanced.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The utility model is used for the orthogonal steel bar truss of the disassembly-free template of the assembled multi-ribbed floor, compared with the prior art, one main chord is reduced, and the prefabrication difficulty is reduced; the longitudinal rectangular stirrups, sizing blocks and reinforcing ribs are arranged, so that the steel bar truss is reasonable in structure, the stability of the whole steel bar truss can be enhanced, the dense rib height is high, and enough space is provided for laying the long steel bars at the bottoms of the dense ribs on site.
(2) The utility model relates to an orthogonal steel bar truss for an assembly type multi-rib floor dismantling-free formwork, wherein two ends of a first upper chord rib and a second upper chord rib of the steel bar truss are provided with extension sections exceeding rectangular stirrups, so that the joints of the upper chord ribs are conveniently overlapped. The first reinforcing rib and the second reinforcing rib both ends have the extension section that surpasss the sizing block, strengthen the steadiness of exempting from to unpick the template.
(3) The utility model is used for the orthogonal steel bar truss of the disassembly-free formwork of the assembled multi-ribbed floor, the upper chord rib at the top of the multi-ribbed floor can be utilized to strengthen the rigidity of the concrete slab of the disassembly-free formwork through the truss, when the stressed steel bars are laid in a two-way through length mode at the bottom of the steel bar truss and the inner side of the bottom angle of the rectangular stirrup in field operation, the broken steel bars are not needed, the reliability is high, the height of the multi-ribbed is high, and the field steel bars are easy to wear. The method is suitable for the non-secondary beam, large-span and bidirectional ribbed floor slab. The upper chord rib of the dense rib is a structural reinforcing steel bar, can be produced in a modularized and batch mode, and is less limited by design.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a top view of the present utility model.
Fig. 2 is a schematic view of a single steel truss of the utility model.
Fig. 3 is a schematic view of a rectangular stirrup of the present utility model.
Fig. 4 is a schematic perspective view of the present utility model.
In the figure: 1. transverse steel bar truss; 2. longitudinal steel bar truss; 3. a core mold; 4. a first upper chord rib; 5. a second upper chord rib; 6. rectangular stirrups; 701. A first sizing block; 702. a second sizing block; 8. a first reinforcing rib; 9. and a second reinforcing rib.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it will be apparent that the described embodiments are some, but not all, of the embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model; all other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an orthogonal steel bar truss for an assembly type rib floor dismantling-free formwork comprises a plurality of transverse steel bar trusses 1 and a plurality of longitudinal steel bar trusses 2, wherein the transverse steel bar trusses 1 and the longitudinal steel bar trusses 2 are arranged in an up-down staggered and crossed mode, each steel bar truss comprises a first upper chord rib 4 and a second upper chord rib 5, the first upper chord rib 4 and the second upper chord rib 5 are arranged in parallel and opposite mode, rectangular stirrups 6 are further arranged on the outer sides of the first upper chord rib 4 and the second upper chord rib 5, the rectangular stirrups 6 are perpendicular to the steel bar trusses or incline to a certain angle in a transverse mode, sizing blocks are arranged on the lower sides of bottom corners of the rectangular stirrups 6, each sizing block comprises a first sizing block 701 and a second sizing block 702, the lower sides of left bottom corners of the rectangular stirrups 6 are connected with first reinforcing ribs 8 through first sizing blocks 701, and the lower sides of right bottom corners of the rectangular stirrups 6 are connected with second reinforcing ribs 9 through second sizing blocks 702. The rectangular stirrups and the reinforcing ribs are connected through sizing blocks, so that the stability of the orthogonal truss can be enhanced.
The two ends of the reinforcing rib are provided with extension sections exceeding the sizing block so as to enhance the stability of the disassembly-free template.
Bottom corners on two sides of the rectangular stirrup 6 are arranged at the middle part above the sizing block.
The first sizing block 701 is welded with the lower side of the left bottom corner of the rectangular stirrup 6, and the second sizing block 702 is welded with the lower side of the right bottom corner of the rectangular stirrup 6.
A first reinforcing rib 8 is arranged below the first sizing block 701, and a second reinforcing rib 9 is arranged below the second sizing block 702.
The rectangular stirrup 6 can connect the first upper chord rib 4 and the second upper chord rib 5 from the outside.
The two upper chord tendons of the longitudinal steel bar truss 2 are arranged above the two upper chord tendons of the transverse steel bar truss 1, and the two reinforcing ribs of the longitudinal steel bar truss 2 are arranged above the two reinforcing ribs of the transverse steel bar truss 1.
The two upper chord tendons of the transverse steel bar truss 1 are arranged above the two upper chord tendons of the longitudinal steel bar truss 2, and the two reinforcing ribs of the transverse steel bar truss 1 are arranged above the two reinforcing ribs of the longitudinal steel bar truss 2.
The transverse steel bar trusses 1 and the longitudinal steel bar trusses 2 are staggered in a crossing manner to form accommodating spaces with different specifications, and the core mold 3 with corresponding specifications can be arranged.
The cross staggered connection parts of the transverse steel bar trusses 1 and the longitudinal steel bar trusses 2 are fixed through welding, binding and machinery.
The first upper chord rib 4, the second upper chord rib 5, the rectangular stirrup 6, the sizing block and the corresponding reinforcing ribs right below can be connected through welding, hinging, binding and machinery.
The two ends of the first upper chord rib 4 and the second upper chord rib 5 are provided with extension sections exceeding the rectangular stirrups 6, and the two ends of the transverse steel bar truss 1 and the two ends of the longitudinal steel bar truss 2 are flush or different in length, so that the joint of the upper chord ribs is conveniently overlapped.
The rectangular stirrups 6 are longitudinally arranged on the outer sides of the first upper chord rib 4 and the second upper chord rib 5, and the rectangular stirrups 6 are sequentially arranged along the upper chord rib direction.
The rectangular stirrups can be arranged at equal intervals or unequal intervals, and the number of the rectangular stirrups can be increased according to the requirement.
Preferably, resistance welding can be adopted for welding, the thickness of the steel bars at the welding points is not changed, and the reliability of the connecting points is enhanced.
Principle of operation
The upper chord rib of the steel bar truss is sequentially connected with rectangular stirrups, sizing blocks and reinforcing ribs, a plurality of longitudinal steel bar trusses and a plurality of transverse steel bar trusses are orthogonalized to form a steel bar net rack, when the formwork is free from being disassembled, the rigidity of a concrete slab body of the formwork is enhanced, when the stressed steel bars are paved in a bidirectional through manner at the bottom of the steel bar truss and the inner side of the bottom angle of the rectangular stirrups in field operation, the stressed steel bars are not required to be broken, the reliability is high, the dense rib height is high, and the field steel bars are easy to wear. The method is suitable for the non-secondary beam, large-span and bidirectional ribbed floor slab.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. An orthogonal steel bar truss for an assembled multi-ribbed floor dismantling-free formwork, which is characterized in that: including a plurality of horizontal steel bar truss (1) and a plurality of vertical steel bar truss (2), dislocation cross arrangement about horizontal steel bar truss (1) and vertical steel bar truss (2), steel bar truss includes first string muscle (4) and second string muscle (5) of going up, first string muscle (4) and second string muscle (5) parallel opposition setting of going up, first string muscle (4) and second string muscle (5) outside of going up still are equipped with rectangle stirrup (6), rectangle stirrup (6) are perpendicular form or horizontal tilt angle with steel bar truss, rectangle stirrup (6) base angle downside is equipped with the sizing block, the sizing block includes first sizing block (701) and second sizing block (702), first strengthening rib (8) are connected through first sizing block (701) to rectangle stirrup (6) left base angle downside, second strengthening rib (9) are connected through second sizing block (702) to rectangle stirrup (6) right base angle downside.
2. The orthogonal steel bar truss for a disassembly-free formwork of an assembled ribbed floor as set forth in claim 1, wherein: bottom corners on two sides of the rectangular stirrup (6) are arranged at the middle part above the sizing block.
3. The orthogonal steel bar truss for a disassembly-free formwork of an assembled ribbed floor as set forth in claim 1, wherein: the first sizing block (701) below is equipped with first strengthening rib (8), second sizing block (702) below is equipped with second strengthening rib (9), the strengthening rib both ends all have surpass the extension section of sizing block.
4. The orthogonal steel bar truss for a disassembly-free formwork of an assembled ribbed floor as set forth in claim 1, wherein: the two upper chord tendons of the longitudinal steel bar trusses (2) are orthogonally arranged above the two upper chord tendons of the transverse steel bar trusses (1), the two reinforcing ribs of the longitudinal steel bar trusses (2) are orthogonally arranged above the two reinforcing ribs of the transverse steel bar trusses (1), and the joints of the transverse steel bar trusses (1) and the longitudinal steel bar trusses (2) are connected through welding, binding and machinery.
5. The orthogonal steel bar truss for a disassembly-free formwork of an assembled ribbed floor as set forth in claim 1, wherein: the transverse steel bar trusses (1) and the longitudinal steel bar trusses (2) are arranged in a crossed and staggered mode to form accommodating spaces with different specifications, and core dies (3) with corresponding specifications can be arranged.
6. The orthogonal steel bar truss for a disassembly-free formwork of an assembled ribbed floor as set forth in claim 1, wherein: the rectangular stirrups (6) are longitudinally arranged on the outer sides of the first upper chord rib (4) and the second upper chord rib (5), and the rectangular stirrups (6) are sequentially arranged along the direction of the upper chord rib.
7. The orthogonal steel bar truss for a disassembly-free formwork of an assembled ribbed floor as set forth in claim 1, wherein: the rectangular stirrups (6) are arranged at equal intervals or unequal intervals, and the number of the rectangular stirrups can be increased according to the requirement.
8. The orthogonal steel bar truss for a disassembly-free formwork of an assembled ribbed floor as set forth in claim 1, wherein: the connection part between the first upper chord rib (4), the second upper chord rib (5) and the rectangular stirrup (6) can be welded, hinged and mechanically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322077735.1U CN220620721U (en) | 2023-08-03 | 2023-08-03 | Orthogonal steel bar truss for assembly type multi-rib floor dismantling-free formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322077735.1U CN220620721U (en) | 2023-08-03 | 2023-08-03 | Orthogonal steel bar truss for assembly type multi-rib floor dismantling-free formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220620721U true CN220620721U (en) | 2024-03-19 |
Family
ID=90225001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322077735.1U Active CN220620721U (en) | 2023-08-03 | 2023-08-03 | Orthogonal steel bar truss for assembly type multi-rib floor dismantling-free formwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220620721U (en) |
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2023
- 2023-08-03 CN CN202322077735.1U patent/CN220620721U/en active Active
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