CN113605443B - High-low span concrete bottom plate construction structure and method thereof - Google Patents
High-low span concrete bottom plate construction structure and method thereof Download PDFInfo
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- CN113605443B CN113605443B CN202110846206.6A CN202110846206A CN113605443B CN 113605443 B CN113605443 B CN 113605443B CN 202110846206 A CN202110846206 A CN 202110846206A CN 113605443 B CN113605443 B CN 113605443B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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Abstract
The invention discloses a high-low span concrete bottom plate construction structure and a method thereof, wherein the bottom plate construction structure 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 the bottom plate, bases arranged in the mounting grooves and a support 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. This application has simple structure, stability is good, occupation space is little, fill the sole plate concrete and pour the requirement simultaneously, the advantage simple, swift of construction.
Description
Technical Field
The invention relates to the technical field of bottom plate construction, in particular to a high-low span concrete bottom plate construction structure and a method thereof.
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 construction structure and a method thereof aiming at the problems.
Disclosure of Invention
The invention provides a high-low span concrete bottom plate construction structure and a method thereof, wherein the structure is simple, the cost is low, and the operation is simple and convenient.
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 invention adopts the following technical scheme:
the invention relates to a high-low span concrete bottom plate construction structure, which comprises a cushion layer arranged on a foundation, mounting grooves respectively preset on the cushion layer of a high span and a low span of a bottom plate, bases arranged in the mounting grooves and a support system fixedly arranged between the two bases, wherein the mounting grooves are formed in the cushion layer of the high span and the low span of the bottom plate;
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 invention relates to a high-low span concrete bottom plate construction structure, which comprises an upper support frame, a lower support frame and a plurality of vertical rods, wherein the upper support frame comprises two rows of upper vertical rods arranged in parallel and an upper horizontal rod connected with the upper vertical rods in each row, the upper vertical rods are arranged at intervals along the length direction of an installation groove, and the connecting rods are connected with the upper vertical rods or the upper horizontal rods.
The invention relates to a high-low span concrete bottom plate construction structure, which comprises a lower support frame, a lower support frame and a lower support frame, wherein the lower support frame comprises two rows of lower vertical rods arranged in parallel, a lower horizontal rod connected with each row of lower vertical rods and a lower support rod 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 invention relates to a high-low span concrete bottom plate construction structure, which comprises a template, a horizontal square timber and double steel pipes, wherein the template is arranged on the outer side of a lower support frame; the bottom surface of the template is consistent with the top surface of the low-span bottom plate in elevation
The invention relates to a high-low span concrete bottom plate construction structure, and further, a split bolt is a three-section screw.
The invention relates to a high-low span concrete bottom plate construction structure, further comprising a waterproof coiled material arranged on the cushion layer, and a protective layer arranged on the waterproof coiled material.
The invention relates to a high-low span concrete bottom plate construction structure, which further comprises a high-low span concrete foundation poured on a protective layer, wherein a supporting system is positioned in the concrete foundation.
The invention relates to a high-low span concrete bottom plate construction 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 invention relates to a high-low span concrete bottom plate construction structure, and further, a base is of a cast-in-place concrete structure.
The invention relates to a construction method of a high-low span concrete bottom plate construction structure, which comprises the following steps:
step 1: constructing a cushion layer on the foundation of the bottom plate, and reserving an installation groove on the upper span and the lower span of the bottom plate respectively;
and 2, step: laying waterproof coiled materials on the cushion layer, and pouring a waterproof protective layer on the waterproof coiled materials;
and step 3: pre-burying a base in the mounting groove, and erecting a support system;
and 4, step 4: and binding high-low span bottom plate reinforcing steel bars, installing a template system, and performing bottom plate concrete pouring and maintenance.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the formwork supporting system, the installation grooves are reserved on the high span and the low span of the bottom plate respectively, the base in the installation grooves is used for arranging the formwork supporting system on the inner side of the formwork, the requirement of formwork support on one side of the formwork is met, the stability is good, the occupied space is small, the requirement of concrete pouring of the bottom plate 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 invention 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 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>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 rod; 8. a steel plate; 9. a lower vertical rod; 10. a lower horizontal bar; 11. a lower support rod; 12. a template; 13. square timber; 14. double steel pipes; 15. a mountain-shaped card; 16. oppositely pulling bolts; 17. waterproof coiled materials; 18. a protective layer; 19. and (4) a foundation.
Detailed Description
As shown in fig. 1 and 2, the present invention discloses a high-low span concrete floor construction structure and a method thereof, wherein the construction structure 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 1m in this application, degree of depth 0.5m. 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 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.
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 48mm, 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 rods 7 are connected with the upper vertical rods 6 in each row, two upper horizontal rods are arranged along the length direction of the upper vertical rods 6, and the upper horizontal rods 7 are 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 48mm, 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, 15mm 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, an SBS waterproof coiled material 17 is laid on the cushion layer 2, a concrete protective layer 18 is poured on the waterproof coiled material 17, the waterproof performance of the bottom plate is guaranteed, and the base 4 is arranged on the top face of the concrete protective layer 18.
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 template 12 unilateral formwork, the requirement that the bottom plate was pour simultaneously is striden to height, and stability is good, and occupation space is little, and the construction is simple, swift.
The construction method of the high-low span concrete bottom plate construction structure comprises the following steps:
the method comprises the following steps: a mounting groove 3 with the width of 1m and the depth of 0.5m 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: pouring concrete in the high-span and low-span mounting grooves 3 to form a base 4, positioning the mounting positions and the distances between the upper vertical rods 6 and the lower vertical rods 9 before pouring the concrete, pre-embedding the upper vertical rods 6 and the lower vertical rods 9 in the base 4, and correspondingly mounting the upper horizontal rods 7, the lower horizontal rods 10, the lower horizontal rods 11 and the connecting rods 5.
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, performing high-span and low-span bottom plate concrete pouring and curing, and dismantling 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 (8)
1. The utility model provides a concrete floor construction structures is striden to height which characterized in that: the concrete foundation comprises a cushion layer (2) arranged on a foundation (1), mounting grooves (3) which are 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), a supporting system fixedly arranged between the two bases (4), and a high-span concrete foundation (19) and a low-span concrete foundation (19) which are simultaneously poured on the cushion layer (2);
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;
the upper support frame comprises two rows of upper vertical rods (6) which are arranged in parallel and an upper horizontal rod (7) which is connected with each row of upper vertical rods (6), the upper vertical rods (6) are arranged at intervals along the length direction of the mounting groove (3), and the connecting rod (5) is connected with the upper vertical rods (6) or the upper horizontal rods (7);
the lower support frame comprises two rows of lower vertical rods (9) which are 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);
the formwork system comprises a formwork (12) arranged on the outer side of the lower support frame, and the bottom surface of the formwork (12) is consistent with the elevation of the top surface of the low-span bottom plate.
2. A high-low span concrete floor construction structure according to claim 1, wherein: the formwork system further comprises horizontal square timbers (13) arranged on one side, away from the high-span bottom plate, of the formwork (12) and double steel pipes (14) symmetrically arranged on one sides, back to back, of the square timbers (13) and the lower horizontal rods (10), the formwork (12) is fixedly connected through the two steel pipes (14) through the mountain-shaped clamps (15) and the split bolts (16), and the lower supporting rods (11) and the connecting rods (5) are all propped against the inner side face of the formwork (12).
3. The high-low span concrete floor construction structure according to claim 2, wherein: the split bolt (16) is a three-section screw.
4. A high-low span concrete floor construction structure according to claim 1, wherein: and a waterproof coiled material (17) is arranged on the cushion layer (2), and a protective layer (18) is arranged on the waterproof coiled material (17).
5. The high-low span concrete floor construction structure of claim 4, wherein: high and low span concrete foundations (19) are cast on the protective layer (18), and the support system is positioned inside the concrete foundations (19).
6. The high-low span concrete floor construction structure according to claim 2, 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 rods are connected through fasteners.
7. A high-low span concrete floor construction structure according to claim 1, wherein: the base (4) is of a cast-in-place concrete structure.
8. The construction method of a high-low span concrete floor construction structure according to any one of claims 1 to 7, comprising the steps of:
step 1: constructing a cushion layer (2) on a base plate foundation (1), and reserving an installation groove (3) on an upper span and a lower span of the base plate respectively;
step 2: waterproof coiled materials (17) are laid on the cushion layer (2), and waterproof protective layers (18) are poured on the waterproof coiled materials (17);
and step 3: pre-burying a base (4) in the mounting groove (3) for erecting a supporting system;
and 4, step 4: and binding high-low span bottom plate reinforcing steel bars, installing a template system, enabling the bottom surface elevation of the template (12) to be consistent with the designed top surface elevation of the low span bottom plate, and performing high-low span bottom plate concrete pouring and maintenance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846206.6A CN113605443B (en) | 2021-07-26 | 2021-07-26 | High-low span concrete bottom plate construction structure and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846206.6A CN113605443B (en) | 2021-07-26 | 2021-07-26 | High-low span concrete bottom plate construction structure and method thereof |
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| Publication Number | Publication Date |
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| CN113605443A CN113605443A (en) | 2021-11-05 |
| CN113605443B true CN113605443B (en) | 2023-02-24 |
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| CN202110846206.6A Active CN113605443B (en) | 2021-07-26 | 2021-07-26 | High-low span concrete bottom plate construction structure and method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482054B (en) * | 2022-01-07 | 2023-06-20 | 北京城建五建设集团有限公司 | Inclined plane mattress layer pouring die system and construction method |
| CN114525801B (en) * | 2022-01-25 | 2022-08-19 | 北京建工集团有限责任公司 | Multi-span height difference foundation slab structure and construction method thereof |
| CN114575370B (en) * | 2022-04-01 | 2024-04-02 | 北京市第五建筑工程集团有限公司 | High-low span foundation structure and construction method |
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|---|---|---|---|---|
| JP2000220292A (en) * | 1999-01-29 | 2000-08-08 | Sumika Plastech Co Ltd | Form for resin house foundation |
| CN205134364U (en) * | 2015-11-18 | 2016-04-06 | 江西双德建筑工程有限公司 | Basement uprises poor section slant bottom plate formwork system that links up |
| CN109930727A (en) * | 2019-04-19 | 2019-06-25 | 广州市鲁班建筑科技集团股份有限公司 | A kind of buckle-type exempts from demoulding floor |
| CN211647326U (en) * | 2019-11-24 | 2020-10-09 | 张宏宇 | Assembly type cast-in-place construction disassembly-free template structure body |
| CN112523503A (en) * | 2020-11-30 | 2021-03-19 | 中建五局第三建设有限公司 | Disassembly-free supporting system for concrete box girder inner mold and construction method |
-
2021
- 2021-07-26 CN CN202110846206.6A patent/CN113605443B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000220292A (en) * | 1999-01-29 | 2000-08-08 | Sumika Plastech Co Ltd | Form for resin house foundation |
| CN205134364U (en) * | 2015-11-18 | 2016-04-06 | 江西双德建筑工程有限公司 | Basement uprises poor section slant bottom plate formwork system that links up |
| CN109930727A (en) * | 2019-04-19 | 2019-06-25 | 广州市鲁班建筑科技集团股份有限公司 | A kind of buckle-type exempts from demoulding floor |
| CN211647326U (en) * | 2019-11-24 | 2020-10-09 | 张宏宇 | Assembly type cast-in-place construction disassembly-free template structure body |
| CN112523503A (en) * | 2020-11-30 | 2021-03-19 | 中建五局第三建设有限公司 | Disassembly-free supporting system for concrete box girder inner mold and construction method |
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