CN116856684A - Orthogonal steel bar truss concrete combined dismantling-free formwork - Google Patents
Orthogonal steel bar truss concrete combined dismantling-free formwork Download PDFInfo
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- CN116856684A CN116856684A CN202310972374.9A CN202310972374A CN116856684A CN 116856684 A CN116856684 A CN 116856684A CN 202310972374 A CN202310972374 A CN 202310972374A CN 116856684 A CN116856684 A CN 116856684A
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- Prior art keywords
- steel bar
- bottom plate
- bar truss
- steel
- rib
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 164
- 239000010959 steel Substances 0.000 title claims abstract description 164
- 239000004567 concrete Substances 0.000 title claims abstract description 47
- 238000009415 formwork Methods 0.000 title claims description 27
- 239000011083 cement mortar Substances 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 239000002585 base Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 15
- 210000002435 tendon Anatomy 0.000 abstract description 8
- 210000003205 muscle Anatomy 0.000 description 15
- 239000000463 material Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
-
- 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
- E04C5/012—Discrete reinforcing elements, e.g. fibres
-
- 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
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/04—Mats
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
- E04C5/073—Discrete reinforcing elements, e.g. fibres
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an orthogonal steel bar truss concrete combination dismantling-free template, which comprises steel bar trusses and a bottom plate, wherein the steel bar trusses are in a grid shape and are crisscross, the steel bar trusses are in a grid shape and comprise a plurality of first steel bar trusses and a plurality of second steel bar trusses, the steel bar trusses are arranged above the bottom plate, the steel bar trusses are in a grid shape and comprise upper chord tendons and V-shaped wave tendons, the opening ends of the V-shaped wave tendons are transversely arranged on the upper chord tendons, any angles are arranged according to the requirements, the V-shaped wave tendons can be fixedly connected to the transverse chord tendons, the lower parts of the V-shaped wave tendons are buried in the bottom plate, and the bottom plate is made of concrete or cement mortar. The bottom plate is uniformly stressed, the bottom stressed steel bars are laid on site in a full length mode, no breaking is needed, the reliability is high, the site steel bars are easy to penetrate, and the bottom plate is suitable for an assembled building structure without secondary beams and with large span.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a concrete combination disassembly-free formwork of an orthogonal reinforced truss.
Background
The steel bar truss dismantling-free template in the prior art is a combined structure system which is formed by processing main stressed steel bars in a floor slab into a steel bar truss by adopting special equipment in a factory and welding the steel bar truss and a galvanized steel plate into a whole. The steel bar is popular in the market due to the advantages of standardization, industrial production, stable quality, uniform steel bar distribution, accurate size and the like.
In the prior art, a steel bar truss dismantling-free template generally comprises a steel bar truss, support steel bars, a template and connecting pieces. The steel bar trusses and the templates are connected into a whole through the connecting pieces and the support steel bars, but the connecting parts of the steel bar trusses and the templates are directly stressed, the distribution intervals of the support steel bars are overlarge, and the templates are stressed unevenly, so that the templates are easy to damage and are only applied to unidirectional common floor structures.
In addition, the structure of the steel bar truss dismantling-free template 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 beam slab structure with secondary beams or small spans.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the orthogonal steel bar truss concrete combined dismantling-free formwork, the whole stress of the bottom plate is uniform, the bottom stress steel bars are laid in a field through length without breaking, the reliability is strong, the field steel bars are easy to wear, and the formwork is suitable for an assembled building structure without secondary beams and with large span.
The invention provides a concrete combination dismantling-free formwork for an orthogonal steel bar truss, which comprises steel bar trusses and a bottom plate, wherein the steel bar trusses are crisscrossed to form a grid shape, the crisscrossed steel bar trusses comprise a plurality of first steel bar trusses and a plurality of second steel bar trusses, the first steel bar trusses and the second steel bar trusses are arranged above the bottom plate in a staggered manner, the first steel bar trusses are respectively parallel to each other and longitudinally arranged along the bottom plate and are set at a set truss interval, and the second steel bar trusses are respectively parallel to each other and transversely arranged along the bottom plate and are set at a set truss interval; the steel bar truss comprises an upper chord rib and a V-shaped wave rib, the opening end of the V-shaped wave rib is transversely arranged on the upper chord rib, any angle is set according to the requirement, the V-shaped wave rib can be fixedly connected to the transverse chord rib, the lower portion of the V-shaped wave rib is buried in the bottom plate, and the bottom plate is made of concrete or cement mortar.
Preferably, the bottom plate further comprises alkali-resistant glass fiber gridding cloth paved at the bottom of the bottom plate, and concrete or cement mortar is poured on the alkali-resistant glass fiber gridding cloth.
Preferably, the bottom angle of the V-shaped wavy rib is also connected with a steel wire mesh, and the lower part of the V-shaped wavy rib part and the steel wire mesh are buried in the bottom plate.
Preferably, steel wires which are longitudinally arranged are arranged on the inner side of the bottom angle of the V-shaped wavy rib in a penetrating mode, transverse steel wires are arranged on the upper side or the lower side of the steel wires which are longitudinally arranged, steel wires which are longitudinally arranged and steel wires which are transversely arranged are staggered to form a steel wire mesh, and the steel wire mesh is buried in the bottom plate.
Preferably, the wires in the wire mesh sheet have an extension beyond the base plate.
Preferably, steel fibers are uniformly stirred in the concrete or the cement mortar.
Preferably, the hollow floor core mould can be placed above the bottom plate, the hollow floor core mould is arranged in a grid formed by criss-cross of the first steel bar truss and the second steel bar truss, and the bottom of the hollow floor core mould is tangent to or separated from the upper part of the template.
Preferably, the hollow superstructure mandrel can be placed to the bottom plate top, the recess that is the cross has been seted up below the hollow superstructure mandrel, the longitudinal and horizontal depth of recess is the same or different, hollow superstructure mandrel bottom passes through recess gomphosis in first steel bar truss and second steel bar truss intersection, the bottom of hollow superstructure mandrel is tangent or is separated with the upper portion of template.
Preferably, the bottom plate is also provided with a hollow floor core die, and the lower part of the hollow floor core die is poured in the bottom plate.
Preferably, the V-shaped wavy rib is a first V-shaped wavy rib, and the opening end of the first V-shaped wavy rib is transversely arranged on the upper chord rib.
Preferably, the V-shaped wavy ribs are first V-shaped wavy ribs and second V-shaped wavy ribs, and the open ends of the first V-shaped wavy ribs and the second V-shaped wavy ribs are transversely arranged on two sides of the upper chord rib.
Preferably, the bottom or the top of the V-shaped wavy rib can also adopt an arc shape or a short linear shape.
Preferably, the V-shaped wavy ribs can also be arranged on the upper chord rib at a certain distance transversely by a single V-shaped reinforcing steel bar.
Preferably, the lower part of the V-shaped wavy rib part is bent inwards or outwards by a certain angle or is additionally provided with a reinforcing rib, and the bent part and the additionally provided reinforcing rib are buried in the bottom plate.
Preferably, a groove is formed in the edge of the bottom plate.
Preferably, the side of the bottom plate is provided with a shear groove, and the steel wire extension sections of the steel wire meshes in the bottom plate can be mutually embedded into the shear groove of the opposite bottom plate.
Preferably, the upper surface of the bottom plate is roughened, in particular roughened.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the orthogonal steel bar truss concrete combined dismantling-free formwork, the V-shaped wavy ribs can be longitudinally arranged at any angle, so that the steel bar truss is reasonable in structure, and enough space is provided for paving the through long steel bars at the bottom of the site; for the material selection of template is concrete or cement mortar to make V-arrangement wave muscle lower part buries in the form of exempting from to unpick, wait to unpick the template after solidifying, the form of exempting from to unpick the bottom roughness is high, exempts from to plaster, V-arrangement wave muscle and template fixed connection, and the wholeness is strong, need not connecting piece and the support reinforcing bar of prior art, avoids the template atress inhomogeneous, leads to the template fragile.
(2) Compared with the existing concrete slab body rigidity and crack resistance of the orthogonal steel bar truss concrete combination dismantling-free formwork, the concrete slab body rigidity and crack resistance of the dismantling-free formwork can be enhanced through the trusses by utilizing crisscrossed upper chord tendons at the top of the dense ribs, and when stressed steel bars are paved in a two-way through length mode at the bottom of the steel bar truss and above the dismantling-free formwork in field operation, the concrete slab is free from breaking, has strong reliability, is easy to wear on-site steel bars, and is suitable for a non-secondary beam and large-span building structure.
(3) According to the orthogonal steel bar truss concrete combination dismantling-free formwork, the lower parts of the V-shaped wavy ribs on the steel bar trusses are inwards or outwards bent at a certain angle or a reinforcing rib is additionally arranged or two V-shaped wavy ribs are arranged, so that the tensile pulling-out resistance of the steel bar trusses in precast concrete slabs can be enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention 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 a hollow floor core module of the present invention in a first set position.
Fig. 2 is a top view of a hollow floor core module of the present invention in a second set position.
Fig. 3 is a front view of a hollow floor core module of the present invention in a second set position.
Fig. 4 is a schematic view of a steel bar truss of the present invention.
Fig. 5 is a schematic overall view of the present invention.
Fig. 6 is an enlarged schematic view of a portion of fig. 5 a in accordance with the present invention.
Fig. 7 is a schematic view of a wave rib of the present invention.
Fig. 8 is a schematic view of a core mold of a hollow floor system of the present invention.
Fig. 9 is a schematic view of a floor edge bevel in accordance with the present invention.
In the figure: 1. Steel bar truss; 101. a chord rib is arranged; 102. a first V-shaped wavy rib; 103. the second V-shaped wavy ribs; 104. reinforcing ribs; 2. a bottom plate; 201. a wire mesh sheet; 202. alkali-resistant glass fiber mesh cloth; 203. groove; 3. a first steel bar truss; 4. the second steel bar truss; 5. a hollow floor core mold; 501. a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it will be apparent that the described embodiments are some, but not all, of the embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention; all other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1-9, a concrete combined disassembly-free formwork of orthogonal steel bar trusses comprises steel bar trusses 1 and a bottom plate 2 which are crisscrossed to form a grid shape, wherein the crisscrossed steel bar trusses 1 comprise a plurality of first steel bar trusses 3 and a plurality of second steel bar trusses 4, the first steel bar trusses 3 and the second steel bar trusses 4 are arranged above the bottom plate 2 in a staggered manner, the first steel bar trusses 3 are respectively parallel to each other and longitudinally arranged along the bottom plate 2 and are set at a set truss interval, and the second steel bar trusses 4 are respectively parallel to each other and transversely arranged along the bottom plate 2 and are set at a set truss interval; the steel bar truss 1 comprises an upper chord rib 101 and V-shaped wave ribs, the opening ends of the V-shaped wave ribs are transversely arranged on the upper chord rib, any angle is set according to the requirement, the V-shaped wave ribs can be fixedly connected to the transverse chord rib 101, the lower parts of the V-shaped wave ribs are buried in the bottom plate 2, and the bottom plate 2 is made of concrete or cement mortar.
The base plate 2 further comprises alkali-resistant glass fiber mesh cloth 202 paved at the bottom of the base plate 2, the crack resistance of the base plate is enhanced, and concrete or cement mortar is poured on the alkali-resistant glass fiber mesh cloth 202. ,
the bottom angle of the V-shaped wavy ribs is also connected with a steel wire mesh 201, the pulling resistance of the bottom plate is improved, and the lower part of the V-shaped wavy ribs and the steel wire mesh 201 are buried in the bottom plate 2.
The steel wires which are longitudinally arranged are penetrated into the inner sides of the bottom corners of the V-shaped wavy ribs, transverse steel wires are arranged on the upper sides or the lower sides of the steel wires which are longitudinally arranged, steel wires which are longitudinally arranged and steel wires which are transversely arranged are staggered to form a steel wire mesh, and the steel wire mesh is buried in the bottom plate 2.
The wires in the wire mesh have an elongation beyond the bottom plate 2.
Steel fibers are uniformly stirred in the concrete or the cement mortar, so that the pulling resistance of the bottom plate is improved.
The hollow superstructure mandrel 5 can be placed to bottom plate 2 top, hollow superstructure mandrel 5 sets up in first steel bar truss 3 and second steel bar truss 4 vertically and horizontally staggered is latticed net, the bottom of hollow superstructure mandrel 5 is tangent or is separated with the upper portion of bottom plate 2.
The hollow superstructure mandrel 5 can be placed to bottom plate 2 top, the recess 501 that is the cross has been seted up to hollow superstructure mandrel 5 below, the longitudinal and horizontal degree of depth of recess 501 is the same or different, hollow superstructure mandrel 5 bottom passes through recess 501 gomphosis in first steel bar truss 3 and the intersection of second steel bar truss 4, the bottom of hollow superstructure mandrel 5 is tangent or is separated with the upper portion of bottom plate 2.
The bottom plate 2 is also provided with a hollow floor core mold 5, and the lower part of the hollow floor core mold 5 is poured into the bottom plate 2.
The specification of the hollow floor core mould can be set arbitrarily, the length and the width are in the range of 200-850mm, preferably 500mm, and the height is in the range of 80-1100 mm.
The V-shaped wavy ribs are first V-shaped wavy ribs 102, and the opening ends of the first V-shaped wavy ribs 102 are transversely arranged on the upper chord rib 101.
The V-shaped wavy ribs are a first V-shaped wavy rib 102 and a second V-shaped wavy rib 103, and the open ends of the first V-shaped wavy rib 102 and the second V-shaped wavy rib 103 are transversely arranged on two sides of the upper chord rib 101.
The bottom or the top of the V-shaped wavy rib can also be arc-shaped or short linear.
The V-shaped wavy ribs can also be arranged on the upper chord rib by a single V-shaped reinforcing steel bar at a certain distance transversely.
The lower part of the V-shaped wavy rib part is bent inwards or outwards by a certain angle or is additionally provided with a reinforcing rib 104 for enhancing the pulling resistance of the steel bar truss in the precast concrete slab body, and the bent part and the additionally provided reinforcing rib are buried in the bottom plate 2.
And a groove 203 is formed at the edge of the bottom plate 2.
The side of the bottom plate 2 is provided with a shear groove, and the steel wire extension sections of the steel wire meshes in the bottom plate 2 can be mutually embedded into the shear groove of the opposite bottom plate 2.
The upper surface of the bottom plate is a rough surface, and particularly napping treatment is carried out.
The first embodiment is that the concrete combination of quadrature steel bar truss exempts from to disassemble template, is latticed steel bar truss 1 and bottom plate 2 including crisscross, crisscross latticed steel bar truss includes a plurality of first steel bar trusses 3 and a plurality of second steel bar trusses 4, first steel bar trusses 3 and second steel bar trusses 4 constitute by last chord muscle and a V-arrangement wave muscle, V-arrangement wave muscle open end transversely sets up on last chord muscle, sets up arbitrary angle as required to can fixed angle connect on last chord muscle, V-arrangement wave muscle is connected with wire mesh, V-arrangement wave muscle part lower part and wire mesh are buried in the bottom plate 2, the material of bottom plate 2 is concrete or cement mortar.
The second embodiment is an orthogonal steel bar truss concrete combination dismantling-free template, which comprises steel bar trusses 1 and a bottom plate 2, wherein the steel bar trusses 1 and the bottom plate 2 are crisscross to form a grid, each of the steel bar trusses comprises a plurality of first steel bar trusses 3 and a plurality of second steel bar trusses 4, each of the first steel bar trusses 3 and the second steel bar trusses 4 is composed of an upper chord rib and two V-shaped wavy ribs, the opening ends of the V-shaped wavy ribs are transversely arranged on the upper chord rib 101, any angles are arranged according to the needs, the V-shaped wavy ribs can be fixedly connected with the upper chord rib, steel wire meshes are connected with the lower parts of the V-shaped wavy ribs and the steel wire meshes are buried in the bottom plate 2, and the bottom plate 2 is made of concrete or cement mortar.
Embodiment three, a quadrature steel bar truss concrete combination exempts from to unpick template, is latticed steel bar truss 1 and bottom plate 2 including vertically and horizontally staggered, vertically and horizontally staggered is latticed steel bar truss and includes a plurality of first steel bar truss 3 and a plurality of second steel bar truss 4, first steel bar truss 3 and second steel bar truss 4 constitute by last chord muscle and a V-arrangement wave muscle, V-arrangement wave muscle open end transversely sets up on last chord muscle, sets up arbitrary angle as required to can fixed angle connect on last chord muscle, the material of bottom plate 2 is concrete mortar, even stirring has steel fiber in concrete or the cement mortar, V-arrangement wave muscle part lower part buries in the bottom plate 2.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (16)
1. The utility model provides a quadrature steel bar truss concrete combination is exempted from to unpick and is formed by: the steel bar truss structure comprises steel bar trusses (1) and a bottom plate (2) which are crisscross and are in grid shapes, wherein each steel bar truss (1) which is crisscross and is in grid shapes comprises a plurality of first steel bar trusses (3) and a plurality of second steel bar trusses (4), the plurality of first steel bar trusses (3) and the plurality of second steel bar trusses (4) are arranged above the bottom plate (2) in a staggered manner, the plurality of first steel bar trusses (3) are respectively and mutually parallel and longitudinally arranged along the bottom plate (2) and are set at a set truss spacing, and the plurality of second steel bar trusses (4) are respectively and mutually and parallelly transversely arranged along the bottom plate (2) and are set at a set truss spacing; the steel bar truss (1) comprises an upper chord rib (101) and V-shaped wave ribs, the opening ends of the V-shaped wave ribs are transversely arranged on the upper chord rib, any angle is set according to the requirement, the V-shaped wave ribs can be fixedly connected to the transverse chord rib (101), the lower parts of the V-shaped wave ribs are buried in the bottom plate (2), and the bottom plate (2) is made of concrete or cement mortar.
2. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the base plate (2) further comprises alkali-resistant glass fiber gridding cloth (202) paved at the bottom of the base plate (2), and concrete or cement mortar is poured on the alkali-resistant glass fiber gridding cloth (202).
3. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the V-shaped wavy rib bottom angle is also connected with a steel wire mesh (201), and the lower part of the V-shaped wavy rib part and the steel wire mesh (201) are buried in the bottom plate (2).
4. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the steel wires which are longitudinally arranged are penetrated into the inner sides of the bottom corners of the V-shaped wavy ribs, the steel wires which are transversely arranged are arranged on the upper sides or the lower sides of the steel wires which are longitudinally arranged, steel wire meshes are formed by the steel wires which are longitudinally arranged and the steel wires which are transversely arranged in a staggered mode, and the steel wire meshes are buried in the bottom plate (2).
5. The orthographic steel truss concrete composite disassembly-free formwork of claim 3 or 4, wherein: the steel wires in the steel wire mesh sheet are provided with an extension section which exceeds the bottom plate (2).
6. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: steel fibers are uniformly stirred in the concrete or the cement mortar.
7. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the hollow floor core mould (5) can be placed above the bottom plate (2), the hollow floor core mould (5) is arranged in a grid formed by criss-cross of the first steel bar truss (3) and the second steel bar truss (4), and the bottom of the hollow floor core mould (5) is tangent to or separated from the upper part of the bottom plate (2).
8. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: hollow superstructure mandrel (5) can be placed to bottom plate (2) top, be cross recess (501) have been seted up below hollow superstructure mandrel (5), recess (501) are vertical the same with horizontal degree of depth or different, hollow superstructure mandrel (5) bottom is through recess (501) gomphosis in first steel bar truss (3) and second steel bar truss (4) intersection, the bottom of hollow superstructure mandrel (5) is tangent or is separated with the upper portion of bottom plate (2).
9. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the bottom plate (2) is also provided with a hollow floor core die (5), and the lower part of the hollow floor core die (5) is poured into the bottom plate (2).
10. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the V-shaped wavy rib is a first V-shaped wavy rib (102), and the opening end of the first V-shaped wavy rib (102) is transversely arranged on the upper chord rib (101).
11. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the V-shaped wavy ribs are first V-shaped wavy ribs (102) and second V-shaped wavy ribs (103), and the opening ends of the first V-shaped wavy ribs (102) and the second V-shaped wavy ribs (103) are transversely arranged on two sides of the upper chord rib (101).
12. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the bottom or the top of the V-shaped wavy rib can also be arc-shaped or short linear.
13. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the V-shaped wavy ribs can also be arranged on the upper chord rib by a single V-shaped reinforcing steel bar at a certain distance transversely.
14. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: the lower part of the V-shaped wavy rib part is bent inwards or outwards by a certain angle or is additionally provided with a reinforcing rib (104), and the bent part and the additionally provided reinforcing rib are buried in the bottom plate (2).
15. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 1, wherein: and a groove (203) is formed in the edge of the bottom plate (2).
16. The orthographic steel bar truss concrete composite disassembly-free formwork of claim 5, wherein: the side face of the bottom plate (2) is provided with a shear groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310972374.9A CN116856684A (en) | 2023-08-03 | 2023-08-03 | Orthogonal steel bar truss concrete combined dismantling-free formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310972374.9A CN116856684A (en) | 2023-08-03 | 2023-08-03 | Orthogonal steel bar truss concrete combined dismantling-free formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116856684A true CN116856684A (en) | 2023-10-10 |
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