CN111364665A - Exempt from to tear open die block large-span steel truss building carrier plate - Google Patents
Exempt from to tear open die block large-span steel truss building carrier plate Download PDFInfo
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- CN111364665A CN111364665A CN202010259992.5A CN202010259992A CN111364665A CN 111364665 A CN111364665 A CN 111364665A CN 202010259992 A CN202010259992 A CN 202010259992A CN 111364665 A CN111364665 A CN 111364665A
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- type
- die
- connecting block
- slat
- isosceles trapezoid
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- 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
Abstract
The utility model provides an exempt from to tear open die block large-span steel truss building carrier plate, including the die block board, steel bar truss, the back timber, the bottom reinforcing bar, die carrier connecting block and template connecting block, the bottom reinforcing bar is along the fixed lower part left and right sides that sets up at steel bar truss of fore-and-aft direction, the top timber is along the fixed top that sets up at steel bar truss of fore-and-aft direction, the even interval arrangement in left side limit and the right side limit of die block is followed to the template connecting block, control and correspond adjacent die carrier connecting block and template connecting block, the draw-in groove has all been seted up between die carrier connecting block and the die carrier connecting block, the reinforcing bar of steel bar truss lower part left and right sides assembles the joint respectively in the draw-in groove that corresponds the side. The floor support plate is compact in structure, the bottom template is not required to be disassembled, the construction procedures are reduced, the working efficiency is improved, the floor support plate is higher in strength, lighter in weight and lower in cost, and the floor support plate is easy to popularize and apply in the market.
Description
Technical Field
The invention belongs to the technical field of construction engineering construction, and particularly relates to a disassembly-free bottom die long-span steel truss floor bearing plate.
Background
The existing steel bar truss floor bearing plate is composed of steel bars, a truss and a floor bearing plate. The steel bar truss floor support plate has a series of technical advantages of high construction speed, easy control of construction quality, flexible structural arrangement and the like, the application range is also continuously expanded in the construction of steel structure engineering, and the steel bar truss floor support plate plays an important role in improving the construction quality, progress and cost benefit of the steel structure engineering. The die block board of steel bar truss building carrier plate is in the installation, and two adjacent die block boards need support at seam crossing, and current bearing structure adopts steel pipe scaffold and shaped steel to support, builds and supports and need more process and time, behind the concreting, still need demolish die block board, steel pipe scaffold shaped steel support, though die block board can reuse, but also increased manpower and time cost demolishs the process, must not repay. In addition, the top beam of the truss is a square tube or a round tube, the upper end of the obliquely arranged support rib needs to be welded with the tube wall of the top beam, and for firm welding, the tube wall of the top beam needs to be thick, so that the whole floor bearing plate is heavy in weight and high in cost.
Disclosure of Invention
The disassembly-free bottom die large-span steel truss floor support plate is convenient to operate, high in construction efficiency, light in weight and high in strength, labor intensity of workers is reduced, and shortcomings in the prior art are overcome.
In order to solve the technical problems, the invention adopts the following technical scheme: a disassembly-free bottom die large-span steel truss floor bearing plate comprises a bottom die plate, a steel bar truss, a top beam, bottom steel bars, die carrier connecting blocks and die carrier connecting blocks, wherein the die carrier connecting blocks and the die carrier connecting blocks are fixed on the upper surface of the bottom die plate in a rectangular array, the length direction of the bottom die plate is the front-back direction, the bottom steel bars are fixedly arranged on the left side and the right side of the lower portion of the steel bar truss along the front-back direction, the top beam is fixedly arranged on the top of the steel bar truss along the front-back direction, the die carrier connecting blocks are uniformly arranged along the left side edge and the right side edge of the bottom die plate at intervals, clamping grooves are respectively formed between the die carrier connecting blocks and the die carrier connecting blocks which correspond to and are adjacent to the left side and the right side, the steel bars on the left side and the right side of, and a positioning ridge matched with the positioning elongated slot is integrally arranged on the right side surface of the template connecting block on the right side.
The die carrier connecting block and the die plate connecting block are connected with the bottom die plate into a whole from bottom to top through countersunk head screws.
The shutoff of back timber both ends, the cross section of back timber is the open isosceles trapezoid structure in top, the length of the upper base of isosceles trapezoid structure is less than the length of going to the bottom, the first left L type of bending downwards again of the first right side top of isosceles trapezoid structure forms first left L type and strengthens the slat, the first right L type of bending downwards again of the first left side top of isosceles trapezoid structure forms first right L type and strengthens the slat, it has the clearance that is used for to the inside concreting of isosceles trapezoid structure to reserve between slat right side and the first right L type enhancement slat left side to first left L type.
The shutoff of back timber both ends, the cross section of back timber is the open isosceles trapezoid structure in bottom, the length of the upper base of isosceles trapezoid structure is less than the length of going to the bottom, the left waist bottom of isosceles trapezoid structure is bent upwards earlier right side again and is formed the left L type of second and strengthen the slat, the right waist bottom of isosceles trapezoid structure is bent upwards earlier left side again and is formed the right L type of second and strengthen the slat, the left L type of second is strengthened the slat right side and is reserved between the right L type of second and be used for to the inside clearance of concreting of isosceles trapezoid structure.
The cross section of back timber is the open U type structure in top, and U type structure left side wall top bends downwards earlier and forms the left L type of third and strengthen the slat, and U type structure right side wall top bends downwards and forms the right L type of third and strengthen the slat earlier left, and it has the clearance that is used for to the inside concreting of U type structure to reserve between the right side of the left L type of third and the right L type of third strengthens the slat left side.
The cross section of back timber is the open U type structure in bottom, and U type structure left side wall bottom upwards bends earlier and forms the fourth left L type and strengthen the slat, and U type structure right side wall bottom upwards bends earlier and forms the fourth right L type and strengthen the slat, and the reservation has the clearance that is used for to the inside concreting of U type structure between the slat left side is strengthened to the fourth left L type and the fourth right L type to strengthen the slat left side.
By adopting the technical scheme, the bottom template, the steel bar truss, the top beam, the bottom steel bars, the die carrier connecting blocks and the template connecting blocks are assembled into a whole in a factory, and then concrete or mortar is poured into the U-shaped structure or the isosceles trapezoid structure (the two ports of the top beam are plugged) of the top beam. Open isosceles trapezoid structure in bottom and U type structure when concreting, make isosceles trapezoid structure's opening stretch into the thick liquid pond after 180 backs with the back timber upset, and thick liquid or concrete get into from the clearance, directly carry out the grout operation.
The L-shaped reinforcing lath not only plays a role in reinforcing the strength of the top beam, but also plays a role in limiting concrete or mortar poured in the U-shaped structure or the isosceles trapezoid structure, and further enhances the connection strength with the concrete. The length of the upper bottom of the isosceles trapezoid structure is smaller than that of the lower bottom, so that concrete poured inside and the top beam can form a whole body easily when bearing pressure, and the compression resistance of the top beam is enhanced. The concrete or mortar is poured in advance in the top beam, so that the overall compressive strength of the steel bar truss can be improved, and the span of the floor bearing plate can be larger.
The bottom template is made of cement boards, cement fiber boards, magnesium oxysulfate boards, calcium silicate boards, fireproof decorations or various fireproof boards, the smooth surface of the bottom template faces downwards, and the rough surface of the bottom template faces upwards. When the formwork bottom formwork is assembled on site, two adjacent bottom formworks are correspondingly assembled in the positioning long groove through the positioning ribs, so that the two bottom formworks are connected into a whole, and the connection strength of the two adjacent bottom formworks can be ensured due to the high arrangement density of the formwork connecting blocks and the formwork connecting blocks, and the stability of workers in standing construction and after concrete pouring on the bottom formworks is ensured. And concrete is poured on the upper surface of the bottom template, the top beam is also poured in the concrete, and a cast-in-situ floor bearing plate is formed after solidification. The bottom template is used as a ceiling without being detached. Because this application all adopts cast in situ, compares coincide floor (the mill pours once, cast in situ once) process still less, and an organic whole nature is better, and bearing strength is bigger to when the operation of hoist and mount on the spot, the subassembly weight of hoist and mount is lighter.
In conclusion, the floor support plate is compact in structure, the bottom template is not required to be disassembled, the construction procedures are reduced, the working efficiency is improved, the floor support plate is higher in strength, lighter in weight and lower in cost, and the floor support plate is easy to popularize and apply in the market.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic illustration of a first embodiment of the cross-section of FIG. 1;
FIG. 3 is a schematic view of a second embodiment of the cross-section of FIG. 1;
FIG. 4 is a schematic illustration of a third embodiment of the cross-section of FIG. 1;
FIG. 5 is a schematic illustration of a fourth cross-sectional embodiment of FIG. 1;
FIG. 6 is a schematic perspective view of a die plate attachment block having elongated positioning slots;
fig. 7 is a perspective view of a die plate connecting block having positioning ribs.
Detailed Description
The first embodiment is as follows: as shown in fig. 1, 2, 6 and 7, the disassembly-free bottom die large-span steel truss floor support plate comprises a bottom die plate 1, a steel bar truss 2, a top beam 3, bottom steel bars 4, a die set connecting block 5 and a die plate connecting block 6, wherein the die set connecting block 5 and the die plate connecting block 6 are both made of plastic, the die set connecting block 5 and the die plate connecting block 6 are fixed on the upper surface of the bottom die plate 1 in a rectangular array manner, the length direction of the bottom die plate 1 is the front-back direction, the bottom steel bars 4 are fixedly arranged on the left side and the right side of the lower part of the steel bar truss 2 along the front-back direction, the top beam 3 is fixedly arranged on the top of the steel bar truss 2 along the front-back direction, the die plate connecting blocks 6 are uniformly arranged along the left side and the right side of the bottom die plate 1 at intervals, clamping grooves 7 are respectively arranged between the die set connecting block 5 and the die plate connecting block 6 which, the left side of the left die carrier connecting block 5 is flush with the left side of the bottom die plate 1, the left side of the left die carrier connecting block 5 is provided with a positioning elongated slot 8, and the right side of the right die plate connecting block 6 is integrally provided with a positioning rib 9 matched with the positioning elongated slot 8.
The die carrier connecting block 5 and the die plate connecting block 6 are connected with the bottom die plate 1 into a whole from bottom to top through countersunk screws 10 (preferably plastic pieces).
3 both ends shutoff of back timber, the cross section of back timber 3 is the open isosceles trapezoid structure in top, the length of the upper base of isosceles trapezoid structure is less than the length of going to the bottom, the first left L type of bending downwards again of right side top of isosceles trapezoid structure forms first left L type and strengthens slat 11, the first right L type of bending downwards again of right side top of isosceles trapezoid structure forms first right L type and strengthens slat 12, it has the clearance that is used for to the inside concreting of isosceles trapezoid structure to reserve between slat 11 right side and the first right L type of strengthening slat 12 left side to first left L type.
Example two: as shown in fig. 3, the difference between this embodiment and the first embodiment is that the cross section of the top beam 3 is an isosceles trapezoid structure with an open bottom, the left waist bottom of the isosceles trapezoid structure is bent right and then upward to form a second left L-shaped reinforcing slat 13, and the right waist bottom of the isosceles trapezoid structure is bent left and then upward to form a second right L-shaped reinforcing slat 14.
Example three: as shown in fig. 4, the difference between this embodiment and the first embodiment is that the cross section of the top beam 3 is a U-shaped structure with an open top, the top of the left side wall of the U-shaped structure is bent right and then downward to form a third left L-shaped reinforcing slat 15, and the top of the right side wall of the U-shaped structure is bent left and then downward to form a third right L-shaped reinforcing slat 16.
Example four: as shown in fig. 5, the difference between this embodiment and the first embodiment is that the cross section of the top beam 3 is a U-shaped structure with an open bottom, the bottom of the left side wall of the U-shaped structure is bent right and then upward to form a fourth left L-shaped reinforcing slat 17, and the bottom of the right side wall of the U-shaped structure is bent left and then upward to form a fourth right L-shaped reinforcing slat 18.
Example five: the difference between this embodiment and the first embodiment is that the top beam 3 is made of steel bars, round steel tubes or rectangular steel tubes. When the top beam 3 is a steel bar, concrete or mortar does not need to be poured. When the top beam 3 adopts a round steel pipe or a rectangular steel pipe, the lower end of the steel pipe is blocked, slurry or concrete enters through the buckle at the upper end of the steel pipe, grouting operation is directly carried out, and the upper end opening of the steel pipe is blocked after the grouting operation is finished.
The working and using process of the invention is as follows: the bottom template 1, the steel bar truss 2, the top beam 3, the bottom steel bars 4, the formwork connecting blocks 5 and the template connecting blocks 6 are assembled into a whole in a factory, and then concrete or mortar is poured into the U-shaped structure or the isosceles trapezoid structure (the two end openings of the top beam 3 are plugged) of the top beam 3. Open isosceles trapezoid structure in bottom and U type structure when concreting, make isosceles trapezoid structure's opening stretch into the thick liquid pond after 3 upsets 180 backs with the back timber, and thick liquid or concrete get into in following the clearance, directly carry out the grout operation.
The L-shaped reinforcing lath not only plays a role in reinforcing the strength of the top beam 3, but also plays a role in limiting concrete or mortar poured in the U-shaped structure or the isosceles trapezoid structure, and further enhances the connection strength with the concrete. The length of the upper bottom of the isosceles trapezoid structure is smaller than that of the lower bottom, so that concrete poured inside and the top beam 3 are easier to form a whole when bearing pressure, and the compression resistance of the top beam 3 is enhanced. Concrete or mortar is poured in advance in the top beam 3, so that the overall compressive strength of the steel bar truss 2 can be improved, and the span of the floor bearing plate is larger.
The bottom template 1 is made of cement boards, cement fiber boards, magnesium oxysulfate boards, calcium silicate boards, fireproof decorations or various fireproof boards, the smooth surface of the bottom template 1 faces downwards, and the rough surface of the bottom template 1 faces upwards. When the formwork bottom formwork is assembled on site, two adjacent bottom formworks 1 are correspondingly assembled in the positioning elongated grooves 8 through the positioning ribs 9, so that the two bottom formworks 1 are connected into a whole, and the connection strength of the two adjacent bottom formworks 1 can be ensured due to the high arrangement density of the formwork connecting blocks 5 and the formwork connecting blocks 6, and the stability of workers in standing construction and concrete pouring on the bottom formworks 1 is ensured. Concrete is poured on the upper surface of the bottom template 1, the top beam 3 is also poured in the concrete, and a cast-in-situ floor bearing plate is formed after solidification. The bottom form 1 is used as a ceiling without being removed. Because this application all adopts cast in situ, compares coincide floor (the mill pours once, cast in situ once) process still less, and an organic whole nature is better, and bearing strength is bigger to when the operation of hoist and mount on the spot, the subassembly weight of hoist and mount is lighter.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an exempt from to tear open die block large-span steel truss floor carrier plate which characterized in that: comprises a bottom template, a steel bar truss and a top beam, the bottom reinforcing steel bar, die carrier connecting block and template connecting block are fixed at the die block board upper surface in the rectangular array, the length direction of die block board is the fore-and-aft direction, the bottom reinforcing steel bar sets up the lower part left and right sides at steel bar truss along the fore-and-aft direction is fixed, the back timber sets up the top at steel bar truss along the fore-and-aft direction is fixed, the template connecting block is along the even interval arrangement in left side limit and right side limit of die block board, control and correspond adjacent die carrier connecting block and template connecting block, the draw-in groove has all been seted up between die carrier connecting block and the die carrier connecting block, the reinforcing steel bar of steel bar truss lower part left and right sides assembles the joint respectively in the draw-in groove that corresponds the side, the left side of left die carrier connecting block flushes with the.
2. The disassembly-free bottom die long-span steel truss floor deck according to claim 1, characterized in that: the die carrier connecting block and the die plate connecting block are connected with the bottom die plate into a whole from bottom to top through countersunk head screws.
3. The disassembly-free bottom die long-span steel truss floor deck according to claim 1 or 2, characterized in that: the shutoff of back timber both ends, the cross section of back timber is the open isosceles trapezoid structure in top, the length of the upper base of isosceles trapezoid structure is less than the length of going to the bottom, the first left L type of bending downwards again of the first right side top of isosceles trapezoid structure forms first left L type and strengthens the slat, the first right L type of bending downwards again of the first left side top of isosceles trapezoid structure forms first right L type and strengthens the slat, it has the clearance that is used for to the inside concreting of isosceles trapezoid structure to reserve between slat right side and the first right L type enhancement slat left side to first left L type.
4. The disassembly-free bottom die long-span steel truss floor deck according to claim 1 or 2, characterized in that: the shutoff of back timber both ends, the cross section of back timber is the open isosceles trapezoid structure in bottom, the length of the upper base of isosceles trapezoid structure is less than the length of going to the bottom, the left waist bottom of isosceles trapezoid structure is bent upwards earlier right side again and is formed the left L type of second and strengthen the slat, the right waist bottom of isosceles trapezoid structure is bent upwards earlier left side again and is formed the right L type of second and strengthen the slat, the left L type of second is strengthened the slat right side and is reserved between the right L type of second and be used for to the inside clearance of concreting of isosceles trapezoid structure.
5. The disassembly-free bottom die long-span steel truss floor deck according to claim 1 or 2, characterized in that: the shutoff of back timber both ends, the cross section of back timber is the open U type structure in top, and U type structure left side wall top bends downwards earlier right again and forms the left L type of third and strengthens the slat, and U type structure right side wall top bends downwards again earlier left and forms the right L type of third and strengthens the slat, and the left clearance that is used for to the inside concreting of U type structure that is reserved between the left side of the left L type of third and the right L type of third strengthens the slat left side.
6. The disassembly-free bottom die long-span steel truss floor deck according to claim 1 or 2, characterized in that: the shutoff of back timber both ends, the cross section of back timber is the open U type structure in bottom, and U type structure left side wall bottom upwards bends earlier right again and forms the reinforcing slat of fourth left L type, and U type structure right side wall bottom upwards bends earlier left again and forms the reinforcing slat of fourth right L type, and the reservation has the clearance that is used for to the inside concreting of U type structure between the reinforcing slat left side of fourth left L type reinforcing slat right side and the reinforcing slat left side of fourth right L type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010259992.5A CN111364665A (en) | 2020-04-03 | 2020-04-03 | Exempt from to tear open die block large-span steel truss building carrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010259992.5A CN111364665A (en) | 2020-04-03 | 2020-04-03 | Exempt from to tear open die block large-span steel truss building carrier plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111364665A true CN111364665A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010259992.5A Pending CN111364665A (en) | 2020-04-03 | 2020-04-03 | Exempt from to tear open die block large-span steel truss building carrier plate |
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| CN (1) | CN111364665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107130A (en) * | 2021-04-16 | 2021-07-13 | 集美大学 | Prefabricated steel-concrete composite floor slab and manufacturing method thereof |
-
2020
- 2020-04-03 CN CN202010259992.5A patent/CN111364665A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107130A (en) * | 2021-04-16 | 2021-07-13 | 集美大学 | Prefabricated steel-concrete composite floor slab and manufacturing method thereof |
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