CN220790627U - Template structure of cast-in-situ reinforced concrete - Google Patents
Template structure of cast-in-situ reinforced concrete Download PDFInfo
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- CN220790627U CN220790627U CN202322509509.6U CN202322509509U CN220790627U CN 220790627 U CN220790627 U CN 220790627U CN 202322509509 U CN202322509509 U CN 202322509509U CN 220790627 U CN220790627 U CN 220790627U
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- reinforced concrete
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 20
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 31
- 238000009415 formwork Methods 0.000 claims description 27
- 239000002131 composite material Substances 0.000 claims description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000004795 extruded polystyrene foam Substances 0.000 claims description 3
- 239000011494 foam glass Substances 0.000 claims description 3
- 239000011491 glass wool Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000011178 precast concrete Substances 0.000 claims description 3
- 239000004567 concrete Substances 0.000 abstract description 27
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model discloses a template structure of cast-in-situ reinforced concrete, which aims to reduce the requirement on an outer support structure of a template, thereby reducing the construction cost. The technical scheme adopted by the utility model is as follows: the cast-in-situ reinforced concrete template structure comprises a first template and a second template, wherein a pouring cavity is formed between the first template and the second template, structural steel bars are arranged in the pouring cavity, an outer supporting structure is arranged on the outer side of the first template and/or the second template, an inner supporting piece is arranged between the first template and the second template, the inner supporting piece is in tight fit with the first template and the second template, the first template and the second template are fixedly connected with the inner supporting piece, at least two steel bar fixing positions are arranged on the inner supporting piece, and the structural steel bars pass through the steel bar fixing positions of the inner supporting piece. The structural steel bars, the inner supporting piece, the first template and the second template which are fixed and positioned by the steel bars form an integral template structure, so that the requirement of the outer supporting structure is reduced. The method is used for pouring construction of the concrete member.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a template structure of cast-in-situ reinforced concrete.
Background
According to national regulations, the building outer wall needs to have certain heat preservation and insulation properties. The ALC board has the characteristics of light weight, fire resistance, sound insulation, heat insulation and the like, has certain strength and low price, and can be directly used as an insulation board of the building outer wall. For concrete members, including concrete columns, walls and beams, to avoid the thermal bridge effect, the concrete member is laid with the ALC plate on the side outside the room. The normal mode of fixing the ALC board to the concrete member is to drill holes in the ALC board and the concrete member respectively, fix the ALC board to the concrete member through bolts, and the ALC board has the defects of more construction procedures and low efficiency and can damage the concrete member and the ALC board. In addition, each bolt corresponds to a fixed point, and when the ALC plate is cracked into a plurality of blocks in the external environment, the blocks lack of bolt fixation are easy to fall off. The structural steel bars for fixing the ALC plate to the concrete member can obviously improve the stability and durability of the ALC plate, but the self stability of the reinforcement is poor after the reinforcement of the concrete member is bound and before pouring, and the ALC plate cannot be effectively fixed to the structural steel bars.
The pouring cavity is formed by enclosing the pouring concrete through the template, and a stable outer supporting structure is required to be arranged on the outer side of the template in order to ensure the safety and quality of construction. The outer support structure is required to be dismantled later, the material consumption of the outer support structure, and the installation and dismantling cost are important components of the cast-in-situ construction cost of the concrete member. If the requirement of the outer support structure can be reduced on the premise of ensuring the construction safety and quality, the construction cost can be reduced.
Disclosure of Invention
The utility model provides a template structure of cast-in-situ reinforced concrete, which aims to reduce the requirement on an outer support structure of a template, thereby reducing the construction cost.
The technical scheme adopted by the utility model is as follows: the cast-in-situ reinforced concrete formwork structure comprises a first formwork and a second formwork, wherein a pouring cavity is formed between the inner plate surface of the first formwork and the inner plate surface of the second formwork, structural steel bars are arranged in the pouring cavity, an outer supporting structure is arranged on the outer side of the first formwork and/or the outer side of the second formwork, an inner supporting piece is arranged between the first formwork and the second formwork, two opposite end faces of the inner supporting piece are respectively in tight fit with the first formwork and the second formwork, the first formwork and the second formwork are respectively fixedly connected with the inner supporting piece through connecting pieces, at least two steel bar fixing positions are further respectively arranged on the inner supporting piece, and the structural steel bars are fixedly positioned through the steel bars of the inner supporting piece.
The internal support piece temporarily fixes the structural steel bars which are fixed by the steel bars together, and the concrete is that: the steel bars on the inner support piece are fixedly positioned into clamping grooves or through holes, and the structural steel bars are clamped in the clamping grooves or pass through the through holes.
The inner support is finally embedded in the reinforced concrete member, in particular: the inner support member is a metal member or precast concrete. For example, the whole inner support member is H-shaped, C-shaped or shaped like a Chinese character kou, two sides of the inner support member, which are close to the first template and the second template, are respectively provided with at least two through holes, the central lines of the through holes are vertical, and the central lines of the through holes on the same side of the inner support member are equal to the distance between the adjacent inner plate surfaces.
In order to realize the single-sided or double-sided disassembly-free mold of the concrete member, further: at least one of the first template and the second template is an insulation board, the insulation board is provided with a connecting hole, and the connecting piece penetrates through the connecting hole. Specific: the connecting piece is a steel wire rope, and the heat insulation board is connected with the inner supporting piece through the steel wire rope in a binding way. For example: the heated board is the rectangular plate, and the four corners of heated board sets up a junction point position respectively, and the heated board all sets up two connecting holes at each junction point position, and the central line of two connecting holes is all perpendicular with the interior board face of heated board, and the plane that the central line of two connecting holes corresponds is vertical face.
The heated board is the rectangular plate, and the four corners of heated board sets up the junction point position respectively, and each junction point position all sets up two connecting holes, and the central line of two connecting holes is perpendicular with the interior board face of heated board, and the plane that the central line of two connecting holes corresponds is vertical face.
In order to improve the bonding strength of the insulation board and the concrete member, thereby improving the stability and durability of the insulation board attached to the concrete, further: the inner plate surface of the heat insulation plate is provided with concave-convex structures, concave holes or textures.
In order to avoid the heated board to be damaged by the connecting belt at the connecting hole, further: and a protective sleeve is arranged at the connecting hole of the heat insulation plate.
Specific: the heat-insulating board is an ALC board, a graphite modified cement-based heat-insulating board, a perlite heat-insulating board, a foam glass heat-insulating board, a rock wool composite board, a polystyrene composite board, a graphite polystyrene composite board, a glass wool heat-insulating composite board, an extruded polystyrene foam plastic or a ceramic sheet composite board.
The beneficial effects of the utility model are as follows: an inner supporting piece is arranged between the first template and the second template, and controls the interval between the first template and the second template, namely the thickness of the pouring cavity. The structure reinforcing steel bars are clamped into the clamping grooves of the inner supporting pieces or pass through the through holes of the inner supporting pieces, on one hand, the inner supporting pieces can control the distance between the structure reinforcing steel bars and the first template and the distance between the inner supporting pieces and the second template, so that the thickness of a reinforcing steel bar protection layer are ensured, on the other hand, the inner supporting pieces relatively fix at least two structure reinforcing steel bars, the self-stability of the structure reinforcing steel bars is improved, the first template and the second template are fixedly connected with the inner supporting pieces respectively, the self-stability of the structure reinforcing steel bars is utilized to improve the stability of the first template and the second template, and the stability of the whole template structure is improved, so that the first template and the second template do not completely depend on the outer supporting structure to realize self stability, the requirement of the outer supporting structure is reduced, and the construction cost is also reduced.
Drawings
Fig. 1 is a schematic view of the formwork structure of the cast-in-place reinforced concrete of the present utility model.
Fig. 2 to 5 are schematic views showing four connection modes of the first form, the inner support and the second form according to the present utility model.
Reference numerals: the formwork comprises a first formwork 1, a second formwork 2, structural steel bars 3, an outer supporting structure 4, an inner supporting piece 5, a connecting piece 6 and a protective sleeve 7.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1, the template structure of cast-in-situ reinforced concrete comprises a first template 1 and a second template 2, wherein two surfaces with the largest area of the first template 1 are an inner plate surface and an outer plate surface respectively, two surfaces with the largest area of the second template 2 are an inner plate surface and an outer plate surface respectively, a casting cavity is arranged between the inner plate surface of the first template 1 and the inner plate surface of the second template 2, structural steel bars 3 are arranged in the casting cavity, the casting cavity is used for casting concrete after binding the structural steel bars 9, and a cast-in-situ concrete member is obtained after casting.
An inner supporting piece 5 is arranged between the first template 1 and the second template 2, one of the purposes of the inner supporting piece 5 is to control the distance between the inner plate surface of the first template 1 and the inner plate surface of the second template 2, namely to control the thickness of a pouring cavity, so that two opposite end surfaces of the inner supporting piece 5 are in tight fit with the first template 1 and the second template 2 respectively. Another purpose of the inner support 5 is to connect the first and second templates 1 and 2 such that the first and second templates 1 and 2 are relatively fixed, and thus the first and second templates 1 and 2 are fixedly connected to the inner support 5 through the connection members 6, respectively. The connecting piece 6 can only realize the fixed connection of the first template 1 and the inner supporting piece 5, and the fixed connection of the second template 2 and the inner supporting piece 5. For example, the connecting piece 6 is a steel wire rope, and the first template 1 and the second template 2 are connected with the inner support piece 5 through steel wire rope binding.
The inner support 5 is further provided with at least two reinforcing bar fixing positions, respectively, and the structural reinforcing bars 3 pass through the reinforcing bar fixing positions of the inner support 5. The steel bar fixing position is used for fixing the structural steel bars 3 passing through the steel bar fixing position and the inner supporting piece 5 relatively, and because the first template 1 and the second template 2 are fixedly connected with the inner supporting piece 5 through the connecting pieces 6 respectively, one end of the structural steel bars 3 is often fixed in other fixed steel bars or poured concrete, and therefore the steel bar fixing position is mainly used for limiting the swing of the structural steel bars 3. For example, the reinforcing bars on the inner support 5 are fixed in a clamping groove or a through hole, and the structural reinforcing bars 3 are clamped in the clamping groove or pass through the through hole. Since the inner support 5 will eventually be embedded in the concrete element, the inner support 5 is preferably a precast concrete with or without reinforcement or a metal piece, such as a steel piece. In order to avoid that the inner support 5 affects the construction of the poured concrete, the middle part of the inner support 5 is preferably a rod, and the center line of the rod is perpendicular to the plane corresponding to the first formwork 1. Since the plane corresponding to the first template 1 and the plane corresponding to the second template 2 are parallel to each other, the center line of the rod is also perpendicular to the plane corresponding to the second template 2.
For example, referring to fig. 2 and 3, the inner support 5 has an overall H-shape, and three through holes are provided at both sides of the inner support 5 near the first die plate 1 and near the second die plate 2, respectively. For another example, referring to fig. 4, the inner support 5 has a C-shape as a whole, and two through holes are provided at both sides of the inner support 5 near the first die plate 1 and near the second die plate 2, respectively. For another example, referring to fig. 5, the inner support 5 is shaped like a Chinese character 'kou', and three through holes are respectively formed in both sides of the inner support 5 near the first mold plate 1 and near the second mold plate 2. In the above embodiment, the center line of each through hole is vertical, the through holes are used for penetrating the vertical structural steel bars 3, and the center line of each through hole on the same side of the inner support 5 is equal to the distance between the adjacent inner plate surfaces.
An outer support structure 4 is arranged outside the first formwork 1 and/or the second formwork 2. The outer support structure 4 is used to support the first and second formwork 1, 2 from outside the casting cavity. Because first template 1 and second template 2 respectively with interior support piece 5 fixed connection, the reinforcing bar 3 is fixed the position through the reinforcing bar of interior support piece 5, the reinforcing bar 3 through the reinforcing bar fixed position, interior support piece 5, first template 1 and second template 2 form an holistic template structure to the template structure has certain steadiness, consequently set up simple structure in the outside of first template 1 and/or second template 2, outer bearing structure 4 that intensity requirement is low can satisfy the construction demand of pouring. For example, referring to fig. 1, the outer panel of the first formwork 1 is provided with an outer support structure 4, the outer support structure 4 including transverse ribs, vertical ribs and diagonal braces.
The first template 1 and the second template 2 can be conventional templates which need to be removed in the later stage, can be insulation boards which do not need to be removed in the later stage, and can be conventional templates which need to be removed in the later stage, and the other insulation boards which do not need to be removed in the later stage. The insulation board is used as a pouring template of a concrete member and an insulation structure of the concrete member, and is generally made of a light material, for example, the insulation board is an ALC board, a graphite modified cement-based insulation board, a perlite insulation board, a foam glass insulation board, a rock wool composite board, a polystyrene composite board, a graphite polystyrene composite board, a glass wool heat insulation composite board, an extruded polystyrene foam plastic or a ceramic sheet composite board. In order to improve the bonding strength of the insulation board and the concrete member, thereby improving the stability and durability of the insulation board attached to the concrete, the inner board surface of the insulation board is provided with concave-convex structures, concave holes or textures. The cast-in-place concrete is embedded into the concave-convex structure, concave holes and textures of the heat-insulating plate, so that the combination of the concrete member and the heat-insulating plate is more stable.
In order to realize the stable connection of the insulation board and the inner support 5, the insulation board is provided with a connecting hole, and the connecting piece 6 penetrates through the connecting hole. For example, the connecting piece 6 is a steel wire rope, the heat-insulating plate and the inner supporting piece 5 are connected by the steel wire rope in a binding way, and the steel wire rope can be directly bound at any position or structure of the inner supporting piece 5, for example, bound at a reinforcing steel bar fixing position. Because the self intensity of heated board often is not high, the connecting hole department of heated board is caused the damage by connecting piece 6 easily, in order to avoid the heated board to cause the damage by connecting piece 6 in the connecting hole department, the connecting hole department of heated board sets up protective sheath 7. For example, the protective sleeve 7 includes a tubular portion and an annular portion connected to one end of the tubular portion, the tubular portion and the annular portion are integrated, the tubular portion is inserted into the connecting hole, and the annular portion is located on the outer plate surface of the heat insulation plate. The protective sheath 7 is preferably of a metallic material, for example steel.
The first and second templates 1, 2 are generally rectangular plates, each inner support 5 actually corresponds to a connection point, at least one connection point is arranged between one first template 1 and one second template 2, and in order to ensure stability, more connection points can be arranged in combination with the sizes of the first and second templates 1, 2. For example, the first template 1 and the second template 2 are both heat-insulating plates, the heat-insulating plates are rectangular plates, four corners of the heat-insulating plates are respectively provided with a connecting point, the heat-insulating plates are respectively provided with two connecting holes at each connecting point, the central lines of the two connecting holes are perpendicular to the inner plate surface of the heat-insulating plates, and the planes corresponding to the central lines of the two connecting holes are vertical surfaces.
Claims (10)
1. Cast-in-situ reinforced concrete's template structure, including first template (1) and second template (2), be pouring the chamber between the interior face of first template (1) and second template (2), be equipped with structure reinforcing bar (3) in the chamber of pouring, the outside of first template (1) and/or second template (2) sets up outer bearing structure (4), its characterized in that: an inner supporting piece (5) is arranged between the first template (1) and the second template (2), two opposite end faces of the inner supporting piece (5) are respectively in tight fit with the first template (1) and the second template (2), the first template (1) and the second template (2) are respectively fixedly connected with the inner supporting piece (5) through connecting pieces (6), at least two reinforcing steel bar fixing positions are further respectively arranged on the inner supporting piece (5), and structural reinforcing steel bars (3) are fixedly positioned through the reinforcing steel bars of the inner supporting piece (5).
2. The cast-in-place reinforced concrete formwork structure as claimed in claim 1, wherein: the steel bars on the inner supporting piece (5) are fixedly positioned into clamping grooves or through holes, and the structural steel bars (3) are clamped in the clamping grooves or pass through the through holes.
3. The cast-in-place reinforced concrete formwork structure as claimed in claim 1, wherein: the inner support (5) is a metal piece or precast concrete.
4. A cast-in-situ reinforced concrete formwork structure as claimed in claim 3, wherein: the whole inner support piece (5) is H-shaped, C-shaped or square, at least two through holes are respectively formed in two sides, close to the first template (1) and the second template (2), of the inner support piece (5), the center line of each through hole is vertical, and the distances between the center line of each through hole on the same side of the inner support piece (5) and the adjacent inner plate surface are equal.
5. The cast-in-situ reinforced concrete formwork structure as claimed in any one of claims 1 to 4, wherein: at least one of the first template (1) and the second template (2) is an insulation board, the insulation board is provided with a connecting hole, and the connecting piece (6) penetrates through the connecting hole.
6. The cast-in-place reinforced concrete form structure of claim 5, wherein: the connecting piece (6) is a steel wire rope, and the heat insulation plate is connected with the inner supporting piece (5) through binding of the steel wire rope.
7. The cast-in-place reinforced concrete formwork structure as claimed in claim 6, wherein: the heated board is the rectangular plate, and the four corners of heated board sets up a junction point position respectively, and the heated board all sets up two connecting holes at each junction point position, and the central line of two connecting holes is all perpendicular with the interior board face of heated board, and the plane that the central line of two connecting holes corresponds is vertical face.
8. The cast-in-place reinforced concrete form structure of claim 5, wherein: the inner plate surface of the heat insulation plate is provided with concave-convex structures, concave holes or textures.
9. The cast-in-place reinforced concrete form structure of claim 5, wherein: and a protective sleeve (7) is arranged at the connecting hole of the heat insulation plate.
10. The cast-in-place reinforced concrete form structure of claim 5, wherein: the heat-insulating board is an ALC board, a graphite modified cement-based heat-insulating board, a perlite heat-insulating board, a foam glass heat-insulating board, a rock wool composite board, a polystyrene composite board, a graphite polystyrene composite board, a glass wool heat-insulating composite board, an extruded polystyrene foam plastic or a ceramic sheet composite board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322509509.6U CN220790627U (en) | 2023-09-15 | 2023-09-15 | Template structure of cast-in-situ reinforced concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322509509.6U CN220790627U (en) | 2023-09-15 | 2023-09-15 | Template structure of cast-in-situ reinforced concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220790627U true CN220790627U (en) | 2024-04-16 |
Family
ID=90630489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322509509.6U Active CN220790627U (en) | 2023-09-15 | 2023-09-15 | Template structure of cast-in-situ reinforced concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220790627U (en) |
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2023
- 2023-09-15 CN CN202322509509.6U patent/CN220790627U/en active Active
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