CN220150024U - Concrete pavement end steel form - Google Patents
Concrete pavement end steel form Download PDFInfo
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- CN220150024U CN220150024U CN202320942399.XU CN202320942399U CN220150024U CN 220150024 U CN220150024 U CN 220150024U CN 202320942399 U CN202320942399 U CN 202320942399U CN 220150024 U CN220150024 U CN 220150024U
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- 229910000831 Steel Inorganic materials 0.000 title claims description 162
- 239000010959 steel Substances 0.000 title claims description 162
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009415 formwork Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 13
- 238000013461 design Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model relates to a concrete pavement end steel template. A concrete pavement end steel template is characterized by being formed by splicing two section steels, half holes matched with a dowel bar are formed in the spliced position of each section steel at intervals, an integral hole matched with the dowel bar is formed after buckling, one flat surface of the section steel is used as a fixing surface, fixing holes A are formed in the intervals and used for being matched with a fixing piece A, the two section steels are fixed, and a tongue-and-groove plate is connected to the end of each section steel. The utility model uses the movable splicing of the two section steels at the dowel bar through the machined half holes, so that the two section steels can be taken out from the two sides of the dowel bar respectively during disassembly, the flatness of the two section steels is not affected, the section steels can be reused, so that the construction waste is reduced, the construction cost is reduced, and the self smooth surface of the section steels is also beneficial to improving the appearance quality. The utility model has the advantages of simple installation, high recycling rate, labor reduction, concrete appearance guarantee, construction cost reduction and the like.
Description
Technical Field
The utility model relates to construction of a concrete pavement, in particular to a concrete pavement end steel template.
Background
In order to ensure that a transfer load is transferred, a dowel bar is generally arranged at a joint to connect two pavement blocks, for example, when an airport concrete pavement is poured, blocks with a certain area (generally 4.5-5 m.150 m) are used as units for block manufacturing, the dowel bar is required to be kept connected with the adjacent pavement blocks poured later at the end head (length direction) of the pavement block manufactured firstly, and due to the interference of the dowel bar, the whole template cannot be detached perfectly when the template is detached, so that the reuse rate of the template is low, only a wood template can be used for destructive detachment, building rubbish is increased, and the appearance quality cannot be ensured.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a reusable concrete pavement end steel template which is low in cost and can reduce construction waste.
The technical scheme adopted by the utility model is that the concrete pavement end steel template is formed by splicing two section steels, a half hole matched with a dowel bar is processed at the splicing position of each section steel at intervals, an integral hole matched with the dowel bar is formed after buckling, one flat surface of the section steel is used as a fixing surface, a fixing hole A is processed at intervals and used for being matched with a fixing piece A, the two section steels are fixed, and a tongue-and-groove plate is connected to the end of the section steel.
The utility model uses the two section steel to be movably spliced at the dowel bar through the machined half hole, so that when the two section steel is disassembled, the two section steel can be taken out from the two sides of the dowel bar respectively, the flatness of the two section steel is not affected, the two section steel can be repeatedly used, so that the construction waste is reduced, the construction cost is reduced, the section steel is selected to be beneficial to reducing the cost, and the section steel has a smooth surface and is also beneficial to improving the appearance quality.
The further design is as follows: the section steel is provided with at least two perpendicular smooth planes, one is used as a splicing surface, and the other is used as a mould plate surface. The utility model uses the smooth plane of the profile steel as the surface of the template, which is beneficial to improving the appearance quality, and uses the smooth plane as the splicing surface, which is beneficial to the stability of the splicing process.
The section steel is angle steel or U-shaped steel.
The end of the section steel is provided with a sealing plate for fixing the tongue-and-groove plate.
The fixing hole A is formed in the fixing seat.
The fixing seat is divided into an upper fixing seat and a lower fixing seat, the upper fixing seat is bent into a concave shape by a steel plate and is fixed with the inner side surface of the section steel, a through hole capable of penetrating through the fixing piece A is formed in the upper fixing seat, an opening is formed in the upper end face of the corresponding section steel, a channel A matched with the fixing piece A is formed in the middle of the lower fixing seat, the lower fixing seat is fixed with the inner surface of the section steel, and the central lines of the upper fixing seat and the lower fixing seat coincide.
The fixing base is aimed at fixing two section steel in a spliced mode, so that the combined die plate surface is straight, after the two section steel are spliced, the fixing piece A is directly placed in an opening of the upper end face, and displacement can be prevented.
The section steel is U-shaped steel, and a through hole is designed on the joint surface of the middle part of the section steel at the matching position of the section steel and the fixing piece A. The U-shaped steel takes the side surface as a splicing surface, and if the fixing piece A is not provided with holes, the U-shaped steel cannot enter the lower fixing seat.
The head of the fixing piece A is bent into a 7 shape, the tail end of the fixing piece A is provided with a pin hole B matched with the bolt B, and the corresponding part of the lower fixing seat is also provided with a hole B matched with the bolt B. The head of the fixing piece A is bent into a 7 shape, so that the fixing piece A is convenient to take and place, and meanwhile, the fixing piece A is fixed by the aid of the bolt B and is convenient to assemble and disassemble, and the pin hole B is designed for the tail end. The fixing piece A can also be a bolt, and the lower fixing seat matched with the bolt is made into a threaded hole.
At least two brackets are fixed on the lower surface of the inner side of the section steel, the tail ends of the brackets are fixed with baffle plates, and dowel bar sleeves with the same number as that of dowel bars are fixed on the baffle plates and used for fixing the dowel bars. The baffle can ensure that the dowel bar is transversely arranged on a horizontal plane, and the dowel bar sleeve ensures that the dowel bar is not deflected.
At least two adjustable pull rods are fixed on the inner surface of the section steel and are used for adjusting the verticality of the vertical face of the template, and each adjustable pull rod consists of a steel pull rod buckle, an open turnbuckle, a steel drill and a bamboo wedge; the two steel pull rod buckles are used for being fixed with the shaped steel, the other end of each steel pull rod buckle is connected with a split turnbuckle, the other end of each split turnbuckle is connected with a steel drill, the two split turnbuckles are fixed tightly through a bamboo wedge, one of the two split turnbuckles is horizontal, and the other split turnbuckle forms a stable triangular support with the inner surface of the shaped steel in an angle.
The utility model uses the two section steel to be movably spliced at the dowel bar through the machined half hole, so that when the two section steel is disassembled, the two section steel can be taken out from the two sides of the dowel bar respectively, the flatness of the two section steel is not affected, the two section steel can be repeatedly used, so that the construction waste is reduced, the construction cost is reduced, the section steel is selected to be beneficial to reducing the cost, and the section steel has a smooth surface and is also beneficial to improving the appearance quality. The utility model has the advantages of simple installation, high recycling rate, labor reduction, concrete appearance guarantee, construction cost reduction and the like.
Drawings
FIG. 1 is a front view of a tip assembly steel form;
FIG. 2 is an enlarged view of a portion of FIG. 1
FIG. 3 is a schematic cross-sectional view of FIG. 2 along the direction A-A;
FIG. 4 is a schematic cross-sectional view of the structure of FIG. 2 along the direction B-B;
FIG. 5 is a schematic view of the cross-sectional structure along the direction C-C in FIG. 2;
FIG. 6 is a schematic view of the adjustable support structure of FIG. 2;
FIG. 7 is a schematic view of the movable plug board of FIG. 2;
FIG. 8 is a schematic view of the head mounting structure of the fastener A of FIG. 2;
fig. 9 is a schematic view of a tail mounting structure of the fixing member a in fig. 2.
In the drawing, 1-the foam rubber gasket of the sealing plate 14 of the upper fixing seat 111 fixing hole A12 and the lower fixing seat 121 hole B13 of the section steel 11; 2-a tongue-and-groove plate; 4-dowel bar 41 dowel bar sleeve 411 adjustment screw; 5-a fixing piece A;51 pin hole B52 bolt B53 fixed ring; 7-adjustable tie 71 steel tie-rod clasp; 72, opening a turnbuckle; 73 steel drill rod; 74 bamboo wedges; 8-a bracket 81 supporting rod 82 inclined supporting rod; 9-baffle.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
As shown in figures 1-9, a concrete pavement end steel template is formed by splicing two section steel 1, half holes matched with a dowel steel are machined at intervals at the spliced part of each section steel, and integral holes matched with the dowel steel are formed after buckling, so that the dowel steel is firmly connected with the section steel. A foam pad 14 is filled in the gap between the dowel bar and the two half-holes. Fixing holes A111 are formed in the fixing surface of the section steel at intervals and are used for being matched with the fixing piece A5 to fix two section steel blocks, and the ends of the section steel blocks are connected with tongue-and-groove plates 2.
The section steel is used as a template, so that the section steel selected by the utility model has at least two perpendicular smooth planes, one is used as a splicing surface, the other is used as a template surface, and angle steel or U-shaped steel is selected.
When the right angle steel is used, two right angle steel pieces are formed by splicing one right angle edge in the thickness direction, and the other right angle edge is a fixed surface. The angle steel has lower cost than U-shaped steel, and is more convenient to process half holes, but has poorer stability than U-shaped steel.
The utility model will be described in detail below using U-section steel as an example.
The thickness of the concrete pavement poured in this embodiment is 32-48cm, the U shaped steel of Q235 is selected as the substrate of end combination steel form, the end of shaped steel is provided with sealing plate 13, be used for fixed tongue-and-groove board 2, the tongue-and-groove board is by two upper and lower "L" movable picture peg, the position is at the both ends of steel form, size 100mm 60mm, every movable picture peg has two holes that are used for passing M8, carry out fixed connection through bolt and shaped steel, because the tongue-and-groove board needs to carry out the mutual block, be liable to warp and damage, for not influencing whole life, especially at the end welded fastening sealing plate 13 of shaped steel, provide convenient stationary plane for the tongue-and-groove board, strengthen the rigidity of the end of shaped steel again. The two U-shaped steel uses the side as the concatenation face, concatenation department interval processing has with dowel steel 4 matched with half hole, form after the lock with dowel steel matched with whole hole, for two U-shaped steel can stable connection, specially increased mounting A5 between two U-shaped steel, at least the head and the tail respectively have one, the quantity is according to the length of shaped steel and the condition of ground specifically to be fixed, still arrange one in the middle of this example, totally three, mounting A passes from the upper end of two U-shaped steel, up to the lower extreme, so the upper end fixed surface interval processing of two U-shaped steel has fixed orifices A111, the concatenation face at middle part has the through-hole in the cooperation department design with mounting A. When the fixing piece A is a bolt, the upper end face can be directly perforated, and the lower bottom surface of the other section steel is provided with a threaded hole for fixing. Because the wall thickness of the selected section steel is weaker than the pressure born by the section steel, the section steel is specially made into a fixed seat 11, and a fixed hole A is formed in the fixed seat, the fixed seat is divided into an upper fixed seat 11 and a lower fixed seat 12, the upper fixed seat is bent into a concave shape by a steel plate, and the dimension is 80mm multiplied by 80mm; the fixing device is fixed with the inner side surface of the section steel, the upper fixing seat is provided with a fixing hole A111 which can pass through the fixing piece A, the corresponding section steel upper end surface is provided with an opening, the head of the fixing piece A is sunk below the section steel upper end surface, so that the head of the fixing piece A is protected from being impacted to deform to influence disassembly, the lower fixing seat is formed by welding two steel plates to limit the fixing piece A, a channel A matched with the fixing piece A such as a screw hole or a bolt hole can be processed for a solid cylinder, the lower fixing seat is fixed with the inner surface of the section steel, and the central lines of the upper fixing seat and the lower fixing seat coincide.
As can be seen from fig. 2, 7 and 8, the fixing part a of this example is a self-made bolt, the head is bent into a shape of "7", the tail end is designed with a pin hole B51 matched with the bolt B52, the center line of the pin hole B is perpendicular to the center line of the bent part of the head, the lower fixing seat is formed by welding two steel plates with the section steel at intervals, a channel a capable of accommodating the fixing part a is reserved in the middle part, the installation of the bolt B52 is convenient to observe, and the corresponding parts of the two steel plates are also provided with holes B121 matched with the bolt B. The head of the fixing piece A is bent into a 7 shape, so that the fixing piece A is convenient to take and place, meanwhile, the fixing piece A is fixed by utilizing the bolt B through a pin hole B51 designed at the tail end, a gasket is arranged between the fixing piece A and the upper fixing seat 11, and the middle part of the fixing piece A can be fixed on the section steel through a fixing ring 53.
As shown in fig. 2 and 4, at least two brackets 8 are fixed on the lower surface of the inner side of the section steel, the specific number is determined by the length surface of the section steel, 4 brackets are provided in this example, one end of each bracket is welded and fixed by an upper supporting rod 81 and one end of each diagonal supporting rod 82, the other ends of each bracket are respectively fixed with the inner side surface of the lower U-shaped steel to form a stable triangular bracket, the tail ends of the brackets are fixed with baffle plates 9, the baffle plates are welded with the brackets by right angle steel, dowel bar sleeves 41 with the same number as dowel bars are fixed on the baffle plates and used for fixing dowel bars 4, the upper ends of the dowel bar sleeves 41 are provided with adjusting screws 411, the positions of dowel bars can be adjusted, the dowel bars are ensured to be transversely arranged on a horizontal plane, and meanwhile, the tail ends of the dowel bars are fixedly supported, and the tail ends of the dowel bars are prevented from being fixed into unstable cantilever beams.
As shown in fig. 2 and 5, at least two adjustable tie rods 7 are fixed on the inner surface of the section steel and are used for adjusting the verticality of the vertical face of the template, and the number of the tie rods is specifically determined according to the length of the section steel and the condition of the ground, and the number of the tie rods is five in this example. The adjustable pull rod consists of a steel pull rod buckle 71, an open turnbuckle 72, a steel drill 73 and a bamboo wedge 74; the two steel pull rod buckles 71 are used for being fixed with the shaped steel, the other end is connected with an open body turnbuckle, a connecting rod at the other end of the open body turnbuckle is connected with a steel drill rod and is fixed tightly through a bamboo wedge, the two open body turnbuckle is horizontal, the other angle and the inner surface of the shaped steel form a stable triangle support, and the steel drill rod is inserted into the ground for fixing when in use.
The steps of using the end head combined steel template and the adjustable supporting system are as follows:
A. and (5) according to design requirements and division of on-site construction sections, performing construction joint lofting.
B. The U-shaped steel with the brackets 8 fixed thereto is placed at a designated position of design while the lower half of the tongue-and-groove plate 2 is attached thereto.
C. The dowel bar is mounted thereon and initially secured.
D. Install the U shaped steel and lock the tongue-and-groove board upper half.
E. The upper part and the lower part of the U-shaped steel are fixed through the cooperation of the fixing piece A5 and the bolt B52, and the U-shaped steel is adjusted to the design position and fixed through the adjustable pull rod 7.
F. The front and back positions of the U-shaped steel are finely adjusted through the split turnbuckle 72, and the dowel bars are finely adjusted and fixed through the adjusting screw 411, so that the placement positions of the steel templates and the dowel bars meet the design and specification requirements.
G. When the steel template is removed, the adjusting screw 411, the tongue-and-groove plate 2 and the bolt B52 are loosened, and then the fixing piece A5 is tapped to loosen the template, so that the steel template is separated from the concrete.
The cement concrete pavement cast by the end template can meet the requirements of construction and design specifications, the end construction completion surface of the concrete pavement is smooth and straight, the dowel bar is accurate in position, the template can be reused, meanwhile, the construction procedures of manually manufacturing the template, removing the template and the like are reduced, and the construction cost is reduced.
Finally, the above embodiments are only for illustrating the technical solution of the present utility model and are not limiting. Modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (10)
1. A concrete pavement end steel template is characterized by being formed by splicing two section steels, half holes matched with a dowel bar are formed in the spliced position of each section steel at intervals, an integral hole matched with the dowel bar is formed after buckling, one flat surface of the section steel is used as a fixing surface, fixing holes A are formed in the intervals and used for being matched with a fixing piece A, the two section steels are fixed, and a tongue-and-groove plate is connected to the end of each section steel.
2. A concrete pavement end form according to claim 1, wherein said section steel has at least two smooth perpendicular planes, one as a splice plane and the other as a form plane.
3. The concrete pavement end form of claim 2, wherein the steel section is angle steel or U-shaped steel.
4. A concrete pavement end form according to claim 1, wherein the end of the section steel is provided with a sealing plate for fixing the tongue-and-groove plate.
5. The concrete pavement end steel template according to claim 1, wherein the fixing holes A are formed on the fixing base.
6. The concrete pavement end steel template according to claim 5, wherein the fixing seats are divided into an upper fixing seat and a lower fixing seat, the upper fixing seat is bent into a concave shape by a steel plate and is fixed with the inner side surface of the section steel, a through hole capable of penetrating through a fixing piece A is formed in the upper fixing seat, an opening is formed in the upper end face of the corresponding section steel, a channel A matched with the fixing piece A is formed in the middle of the lower fixing seat, the lower fixing seat is fixed with the inner surface of the section steel, and the central lines of the upper fixing seat and the lower fixing seat coincide.
7. The concrete pavement end steel template according to claim 1, wherein the section steel is a U-shaped steel, and the splicing surface at the middle part of the section steel is provided with a through hole at the matching position with the fixing piece A.
8. The steel form for concrete pavement ends according to claim 6, wherein the fixing member A is a bolt, the head is bent into a 7 shape, the tail end is provided with a pin hole B matched with the bolt B, and the corresponding part of the lower fixing seat is also provided with a hole B matched with the bolt B.
9. The concrete pavement end steel formwork according to claim 1, wherein at least two brackets are fixed on the lower surface of the inner side of the section steel, a baffle is fixed on the tail end of each bracket, and dowel steel sleeves with the same number as dowel steel are fixed on the baffle for fixing dowel steel.
10. The concrete pavement end steel template according to claim 1, wherein at least two adjustable pull rods are fixed on the inner surface of the section steel and used for adjusting the verticality of the template vertical surface, and the adjustable pull rods are composed of steel pull rod buckles, split turnbuckle screws, steel drills and bamboo wedges; the two steel pull rod buckles are used for being fixed with the shaped steel, the other end of each steel pull rod buckle is connected with a split turnbuckle, the other end of each split turnbuckle is connected with a steel drill, the two split turnbuckles are fixed tightly through a bamboo wedge, one of the two split turnbuckles is horizontal, and the other split turnbuckle forms a stable triangular support with the inner surface of the shaped steel in an angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320942399.XU CN220150024U (en) | 2023-04-24 | 2023-04-24 | Concrete pavement end steel form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320942399.XU CN220150024U (en) | 2023-04-24 | 2023-04-24 | Concrete pavement end steel form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220150024U true CN220150024U (en) | 2023-12-08 |
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ID=89008199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320942399.XU Active CN220150024U (en) | 2023-04-24 | 2023-04-24 | Concrete pavement end steel form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220150024U (en) |
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- 2023-04-24 CN CN202320942399.XU patent/CN220150024U/en active Active
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