CN215760439U - High-low span concrete bottom plate formwork structure - Google Patents
High-low span concrete bottom plate formwork structure Download PDFInfo
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- CN215760439U CN215760439U CN202121705924.3U CN202121705924U CN215760439U CN 215760439 U CN215760439 U CN 215760439U CN 202121705924 U CN202121705924 U CN 202121705924U CN 215760439 U CN215760439 U CN 215760439U
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Abstract
The utility model discloses a high-low span concrete bottom plate formwork structure, which comprises a cushion layer arranged on a foundation, a waterproof layer arranged on the cushion layer, a protective layer arranged on the waterproof layer, mounting grooves respectively preset on the cushion layer of the high span and the low span of a bottom plate, bases arranged in the mounting grooves and a supporting system fixedly arranged between the two bases, wherein the waterproof layer is arranged on the cushion layer; the supporting system comprises an upper supporting frame fixedly arranged on the high-span base, a lower supporting frame fixedly arranged on the low-span base, a connecting rod for connecting the upper supporting frame and the lower supporting frame, and a template system arranged on one side of the lower supporting frame, which is far away from the upper supporting frame, wherein the template system is fixed with the lower supporting frame in a pulling mode; the upper supporting frame comprises two rows of upper vertical rods arranged in parallel and an upper horizontal rod connected with each row of upper vertical rods, the connecting rod is connected with the upper vertical rods or the upper horizontal rods, and the bottom of each upper vertical rod is fixedly provided with a steel plate. The application has the advantages of simple structure, good stability, small occupied space, simple and quick construction, and capability of meeting the requirement of bottom plate concrete pouring.
Description
Technical Field
The utility model relates to the technical field of bottom plate construction, in particular to a high-low span concrete bottom plate formwork structure.
Background
With the continuous development of the urbanization process, under the condition of shortage of land resources, the construction industry transfers the construction target to the underground, and the building continuously expands the space to the underground.
In underground works, the structure of basement is more and more complicated, diversified, and some foundation slab is because there is the height drop difference in the service function difference, and the nearly 3m of position height difference is some, in the work progress, how to guarantee that the bottom plate concrete pours in succession, and simple, swift construction is the problem that needs to solve at present urgently. The application provides a high-low span concrete bottom plate formwork structure and a method thereof aiming at the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-low span concrete bottom plate formwork structure which is simple in structure, low in cost and simple and convenient to operate.
The technical problem to be solved is that: how to ensure the continuous pouring of the concrete of the bottom plate, and simple and quick construction.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a high-low span concrete bottom plate formwork structure, which comprises a cushion layer arranged on a foundation, mounting grooves respectively preset on the cushion layer of the high span and the low span of the bottom plate, bases arranged in the mounting grooves and a supporting system fixedly arranged between the two bases;
the supporting system comprises an upper supporting frame fixedly arranged on the high-span base, a lower supporting frame fixedly arranged on the low-span base, a connecting rod for connecting the upper supporting frame and the lower supporting frame, and a template system arranged on one side of the lower supporting frame, which is far away from the upper supporting frame, wherein the template system is fixed with the lower supporting frame in a pulling mode.
The high-low span concrete bottom plate formwork structure further comprises two rows of upper vertical rods arranged in parallel and upper horizontal rods connected with the upper vertical rods in each row, wherein the upper vertical rods are arranged at intervals along the length direction of the mounting groove, and the connecting rods are connected with the upper vertical rods or the upper horizontal rods.
The utility model relates to a high-low span concrete bottom plate formwork structure, which comprises a lower support frame, a lower horizontal rod and a lower support rod, wherein the lower support frame comprises two rows of lower vertical rods which are arranged in parallel, the lower horizontal rod is connected with each row of lower vertical rods, the lower support rod is connected with the two rows of lower vertical rods, and the connecting rod is connected with the lower vertical rods or the lower horizontal rods.
The utility model relates to a high-low span concrete bottom plate formwork structure, which further comprises a formwork system, a horizontal square timber and double steel pipes, wherein the formwork system is arranged on the outer side of a lower support frame, the horizontal square timber is arranged on one side of the formwork, which is far away from the high span bottom plate, the double steel pipes are symmetrically arranged on the opposite sides of the square timber and a lower horizontal rod, the formwork is fixed by pulling through a mountain walking clamp and a split bolt, and the lower support rod and a connecting rod are both propped against the inner side surface of the formwork.
The utility model relates to a high-low span concrete bottom plate formwork structure, and further, the split bolt is a three-section screw.
The utility model relates to a high-low span concrete bottom plate formwork structure, further comprising a waterproof coiled material arranged on the cushion layer, and a protective layer arranged on the waterproof coiled material.
The high-low span concrete bottom plate formwork structure further comprises a concrete foundation poured on the protective layer, and the supporting system is located inside the concrete foundation.
The utility model relates to a high-low span concrete bottom plate formwork structure, which is characterized in that an upper vertical rod, an upper horizontal rod, a lower vertical rod, a lower horizontal rod, a connecting rod and a double steel pipe are galvanized steel pipes, and the rod pieces are connected through fasteners.
The utility model relates to a high-low span concrete bottom plate formwork structure, further, a base is of a cast-in-place concrete structure.
Compared with the prior art, the utility model has the following beneficial effects:
1. the installation grooves are reserved on the high span and the low span of the bottom plate respectively, the template supporting system is arranged on the inner side of the template by utilizing the base in the installation grooves, the requirement of formwork support on the single side of the template is met, the stability is good, the occupied space is small, the requirement of bottom plate concrete pouring is met, and the construction is simple and rapid;
2. the supporting system is arranged on the inner side of the template, and can be used as a reinforcement stirrup when a bottom plate reinforcement is bound, so that the reinforcement is convenient to install; and the waterproof performance of the bottom plate is improved by arranging the waterproof layer.
The utility model will be further explained with reference to the drawings.
Drawings
FIG. 1 is a plan view of a formwork support system of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Reference numerals:
1. a foundation; 2. a cushion layer; 3. mounting grooves; 4. a base; 5. a connecting rod; 6. erecting a vertical rod; 7. an upper horizontal bar; 8. a steel plate; 9. a lower vertical rod; 10. a lower horizontal bar; 11. a lower support rod; 12. a template; 13. square wood; 14. double steel pipes; 15. a mountain-shaped card; 16. oppositely pulling the bolts; 17. waterproof coiled materials; 18. a protective layer; 19. and (4) a foundation.
Detailed Description
As shown in fig. 1 and 2, the formwork structure for high-low span concrete floor comprises a cushion layer 2 arranged on a foundation 1, an installation groove 3 respectively preset on the cushion layer 2 of the high span and the low span of the floor, a base 4 arranged in the installation groove 3, and a support system fixedly arranged between the two bases 4. The bed course 2 forms for plain concrete pouring, and mounting groove 3 is close to high, low and strides the transition department setting, and mounting groove 3 reserves width for 1 m in this application, degree of depth 0.5 m. The foundation 4 may be a cast-in-place concrete structure, a precast concrete structure, or other structures capable of fixing a support system, and will be described below as a cast-in-place concrete structure.
The supporting system comprises an upper supporting frame fixedly arranged on the high-span base 4, a lower supporting frame fixedly arranged on the low-span base 4, a connecting rod 5 for connecting the upper supporting frame and the lower supporting frame, and a template system arranged on one side of the lower supporting frame, which is far away from the upper supporting frame, wherein the template system is fixed with the lower supporting frame in a pulling mode.
The upper support frame comprises upper vertical rods 6 and upper horizontal rods 7, the upper vertical rods 6 and the upper horizontal rods 7 are made of galvanized steel pipes with the diameter of 48 mm, the upper vertical rods 6 are arranged in two rows and are parallel to each other, the upper vertical rods 6 in each row are provided with a plurality of vertical rods, and the plurality of upper vertical rods 6 are uniformly arranged along the length direction of the mounting groove 3 at intervals; the bottom of the upper vertical rod 6 is welded with a steel plate 8 which is embedded on the base 4 when the base 4 at the high span is poured. The upper horizontal rod 7 is connected with the upper vertical rods 6 in each row, two vertical rods are arranged along the length direction of the upper vertical rods 6, and the upper horizontal rod 7 is connected with the upper vertical rods 6 through fasteners. The connecting rod 5 is provided with a plurality of channels along the length direction of the upper vertical rod 6, and one end close to the upper supporting frame is connected with the upper vertical rod 6 or the upper horizontal rod 7 through a fastener.
The lower support frame comprises a lower vertical rod 9, a lower horizontal rod 10 and a lower support rod 11, the lower vertical rod 9, the lower horizontal rod 10 and the lower support rod 11 are made of galvanized steel pipes with the diameter of 48 mm, the lower vertical rods 9 are arranged in two rows and are mutually parallel, a plurality of lower vertical rods 9 are arranged in each row, and the lower vertical rods 9 are uniformly arranged along the length direction of the mounting groove 3 at intervals; the bottom welding of lower montant 9 has steel sheet 8, pre-buries on base 4 when pouring low-span department base 4. The lower horizontal rods 10 are connected with the lower vertical rods 9 in each row, a plurality of channels are arranged at intervals along the length direction of the lower vertical rods 9, and the lower horizontal rods 10 are connected with the lower vertical rods 9 through fasteners. One end of the connecting rod 5 close to the lower support frame is connected with the lower vertical rod 9 or the lower horizontal rod 10 through a fastener. The lower supporting rods 11 are arranged below the connecting rod 5 and are parallel to the connecting rod 5 and used for connecting two rows of lower vertical rods 9, the lower supporting rods 11 are arranged at intervals along the length direction of the lower vertical rods 9, and two ends of the lower supporting rods 11 are respectively connected with the two rows of lower vertical rods 9 or the lower horizontal rods 10 through fasteners.
The template system is including setting up the template 12 that deviates from upper bracket one side at the lower carriage, set up and deviate from the height at template 12 and stride the square timber 13 and the symmetry of bottom plate one side of carrying on the back mutually at square timber 13 and lower horizontal pole 10 and set up two steel pipes 14 in one side, 15 mm plank sheathing 12 is chooseed for use to template 12, the bottom surface elevation of template 12 is unanimous with the low bottom plate top surface elevation of striding of pouring the completion, square timber 13 level sets up, and evenly sets up the multichannel along the direction of height interval of template 12. The vertical setting of two steel pipes 14 evenly sets up the multichannel along the length direction interval of template 12, and two steel pipes 14 are fixed with template 12 and braced system drawknot through mountain- shaped card 15 and 16 cooperation fastening nuts to the stay bolt, and wherein lower branch 11 and connecting rod 5 all push up at template 12 medial surface, and on the one hand is spacing to the mounted position of template 12, and on the other hand avoids template 12 to take place to warp when concreting. The split bolts 16 may be integrated bolts, after the pouring of the bottom plate concrete is completed, the formwork 12 is removed, the exposed split bolts 16 are cut off, or may be three-section screws, and after the formwork 12 is removed, the screws close to one side of the formwork 12 are removed.
Furthermore, SBS waterproofing membrane 17 is laid on bed course 2, and concrete protective layer 18 is poured on waterproofing membrane 17, guarantees the waterproof performance of bottom plate, and wherein base 4 sets up on concrete protective layer 18 top surface.
After the formwork system is installed, a concrete foundation 19 is poured on the protective layer 18, and the support system is embedded in the concrete foundation 19.
This application is through reserving mounting groove 3 respectively on the high stride of bottom plate and low stride, utilizes base 4 in mounting groove 3 to set up template 12 braced system in the inboard of template 12, satisfies the requirement of 12 unilateral formworks of template, and stability is good, and occupation space is little, satisfy the requirement of bottom plate concrete placement, and the construction is simple, swift.
The construction method comprises the following steps:
the method comprises the following steps: a mounting groove 3 with the width of 1 m and the depth of 0.5 m is respectively excavated on the foundation 1 of the high span and the low span of the bottom plate, and a plain concrete cushion layer 2 is poured on the foundation 1.
Step two: an SBS waterproof coiled material 17 is laid on the cushion layer 2, and a concrete protection layer 18 is laid on the SBS waterproof coiled material 17.
Step three: concrete in the high-span and low-span mounting grooves 3 is poured to form a base 4, the mounting positions and the distances between the upper vertical rods 6 and the lower vertical rods 9 are located before the concrete is poured, the upper vertical rods 6 and the lower vertical rods 9 are embedded in the base 4, and the upper horizontal rods 7, the lower horizontal rods 10, the lower horizontal rods 11 and the connecting rods 5 are correspondingly mounted.
Step four: the steel bar skeleton of department is striden and low to 4 high strides of ligature base, wherein when 4 reinforcing bars of ligature base, braced system's member uses as reinforcing bar stirrup, makes things convenient for the steel bar installation. And (3) installing a template 12, attaching the template 12 to the end parts of the connecting rod 5 and the lower support rod 11, enabling the bottom surface elevation of the template 12 to be consistent with the designed top surface elevation of the low-span bottom plate, installing square timbers 13 and split bolts 16, pouring and maintaining the concrete of the bottom plate, and removing the template 12, wherein the support system is reserved in a concrete foundation 19.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides a concrete floor formwork structure is striden to height which characterized in that: the foundation comprises a cushion layer (2) arranged on a foundation (1), a waterproof layer arranged on the cushion layer (2), a protective layer (18) arranged on the waterproof layer, mounting grooves (3) respectively preset on the cushion layer (2) with a high span and a low span of a bottom plate, bases (4) arranged in the mounting grooves (3) and a support system fixedly arranged between the two bases (4);
the supporting system comprises an upper supporting frame fixedly arranged on the high-span base (4), a lower supporting frame fixedly arranged on the low-span base (4), a connecting rod (5) connecting the upper supporting frame and the lower supporting frame, and a template system arranged on one side of the lower supporting frame, which is far away from the upper supporting frame, wherein the template system and the lower supporting frame are fixed in a pulling mode;
go up support frame and include two rows of parallel arrangement and pre-buried last montant (6) in base (4) and connect every row and go up horizon bar (7) of going up montant (6), it sets up along the length direction interval of mounting groove (3) to go up montant (6), connecting rod (5) are connected with last montant (6) or last horizon bar (7), it has set firmly steel sheet (8) to go up montant (6) bottom.
2. The high-low span concrete floor formwork structure of claim 1, wherein: the lower support frame comprises two rows of lower vertical rods (9) arranged in parallel, a lower horizontal rod (10) connected with each row of lower vertical rods (9) and a lower horizontal rod (11) connected with the two rows of lower vertical rods (9), and the connecting rod (5) is connected with the lower vertical rods (9) or the lower horizontal rods (10).
3. The high-low span concrete floor formwork structure of claim 2, wherein: the template system is including setting up template (12) in the lower carriage outside, setting up and deviating from the height at template (12) and stride horizontal square timber (13) of bottom plate one side and symmetry setting up two steel pipes (14) in square timber (13) and lower horizontal pole (10) one side of carrying on the back mutually, two steel pipes (14) are fixed template (12) drawknot through mountain line card and split bolt (16), lower branch (11) and connecting rod (5) all push up on template (12) medial surface, template (12) bottom surface is unanimous with the low bottom plate top surface elevation of striding.
4. The high-low span concrete floor formwork structure of claim 3, wherein: the split bolt (16) is a three-section screw.
5. The high-low span concrete floor formwork structure of claim 1, wherein: and the concrete foundation (19) poured on the protective layer (18), wherein the supporting system is positioned inside the concrete foundation (19).
6. The high-low span concrete floor formwork structure of claim 3, wherein: the upper vertical rod (6), the upper horizontal rod (7), the lower vertical rod (9), the lower horizontal rod (10), the connecting rod (5) and the double steel pipes (14) are galvanized steel pipes, and the rod pieces are connected through fasteners.
7. The high-low span concrete floor formwork structure of claim 1, wherein: the base (4) is of a cast-in-place concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121705924.3U CN215760439U (en) | 2021-07-26 | 2021-07-26 | High-low span concrete bottom plate formwork structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121705924.3U CN215760439U (en) | 2021-07-26 | 2021-07-26 | High-low span concrete bottom plate formwork structure |
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| CN215760439U true CN215760439U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121705924.3U Active CN215760439U (en) | 2021-07-26 | 2021-07-26 | High-low span concrete bottom plate formwork structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290732A (en) * | 2023-05-13 | 2023-06-23 | 中铁建电气化局集团第三工程有限公司 | Single formwork supporting structure adopting high-low span surface drawknot method |
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2021
- 2021-07-26 CN CN202121705924.3U patent/CN215760439U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290732A (en) * | 2023-05-13 | 2023-06-23 | 中铁建电气化局集团第三工程有限公司 | Single formwork supporting structure adopting high-low span surface drawknot method |
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