CN109750833B - Building structure of variable cross-section beam-free column cap - Google Patents
Building structure of variable cross-section beam-free column cap Download PDFInfo
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- CN109750833B CN109750833B CN201910171167.7A CN201910171167A CN109750833B CN 109750833 B CN109750833 B CN 109750833B CN 201910171167 A CN201910171167 A CN 201910171167A CN 109750833 B CN109750833 B CN 109750833B
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- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The invention relates to the field of buildings, in particular to a building structure of a variable cross-section beam-free column cap, which comprises a bottom lining plate, a triangular truss and column cap templates, wherein the triangular truss is uniformly and vertically arranged along the periphery of a column hole, the column cap templates are paved on the upper end surface of the triangular truss, each column cap template comprises a first inclined plate and a second inclined plate, the inclined angle of the first inclined plate is alpha, the inclined angle of the second inclined plate is beta, and alpha is larger than beta.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a building structure of a variable cross-section beam-free column cap.
Background
The existing beamless column cap is mainly a square column cap, and an inverted cone type beamless column cap is adopted, but the inclined plane inclination angle of the inverted cone type beamless column cap is not changed, so that the structure is poor in bearing performance and large in required material quantity such as steel bars, concrete and the like. The beam-free column cap adopts the inverted cone shape and the column cap with the variable inclination angle through structural checking calculation, so that materials such as steel bars, concrete and the like are saved to the greatest extent, but the construction is difficult, the template is not easy to fix, the inclined plane angle is not easy to control, the template is easy to deform and expand, the template is easy to deform and leak slurry when the concrete is poured, and the forming quality is poor.
In the existing construction projects, different building structures are based on consideration of bearing capacity and safety angles of the building structures, a designer is different in specific inclination angle design of the beamless column caps on different building projects, the existing beamless column caps are all required to be fixedly and pre-erected with corresponding erection templates before being erected, but the requirements of the building on the beamless column caps are large, the beamless column caps with different inclination angles are required to be re-erected with templates before construction by each constructor, waste of raw materials for template erection is caused, meanwhile, construction efficiency is reduced, and unnecessary economic losses are caused.
Disclosure of Invention
Aiming at the defects and problems in the prior art, the invention provides a building structure of a variable cross-section beam-free column cap, which adopts an inverted cone-shaped and variable inclination column cap, saves materials such as steel bars, concrete and the like to the maximum extent, adopts a first building platform and then adopts a triangular truss for supporting, and has the advantages of convenient building of the template, convenient control of the inclined plane angle and good forming quality.
The invention solves the technical problems by adopting the scheme that: the column cap template is paved on the upper end face of the triangular truss, and the side edges of two adjacent column cap templates are connected with each other to enable each column cap template to be arranged around the column hole;
each column cap template comprises a first inclined plate and a second inclined plate, the inner edge of the first inclined plate is in contact with the edge of the column hole, the outer edge of the first inclined plate is connected with the inner edge of the second inclined plate, the side edges of two adjacent first inclined plates or second inclined plates are connected with each other, the inclination angle of the first inclined plate is alpha, the inclination angle of the second inclined plate is beta, and alpha is larger than beta;
the triangular truss comprises a first truss and a second truss, wherein the first inclined plate is arranged at the upper end of the first truss, the second inclined plate is arranged at the upper end of the second truss, the head end of the first truss is hinged to the bottom lining plate, a liftable positioning column is further vertically arranged on the bottom lining plate, the head end of the second truss is hinged to the liftable positioning column, telescopic screws are respectively arranged at positions, close to the tail ends, of the first truss and the second truss, the lower ends of the telescopic screws are fixed to the bottom lining plate, and the upper ends of the telescopic screws are fixed to the first truss or the second truss.
Further, the inclination angle alpha of the first inclined plate is 15-35 degrees, and the inclination angle beta of the second inclined plate is 10-25 degrees.
Further, the liftable positioning column is a positioning column of a telescopic screw structure.
Furthermore, the transverse connecting rods are uniformly paved on the upper end surfaces of the first truss and the second truss respectively, and the first inclined plate and the second inclined plate are paved on the upper end surfaces of the transverse connecting rods.
Furthermore, square timber is evenly fixed to the lower terminal surface of first swash plate, second swash plate, and square timber and horizontal connecting rod interval set up with first swash plate, second swash plate correspond respectively install on first truss, the second truss.
Further, the upright post hole is positioned in the center of the post cap template.
The invention has the beneficial effects that: the variable-section beam-free column cap adopts the inverted cone-shaped column cap with the variable inclination angle, the outer wall of the column cap body consists of the first annular wall and the second annular wall with different inclinations, the column cap structure with the variable inclination angle can save materials such as steel bars, concrete and the like to the greatest extent, and the bearing effect is better than that of the existing cubic column cap or the inverted cone-shaped column cap.
The invention designs a special erection structure aiming at the variable cross-section beam-free column cap, wherein the erection structure is used for erecting a bottom lining plate platform on a support frame body, then a triangular truss support is arranged on the bottom lining plate platform, the column cap is poured in a column cap template at the upper end of the triangular truss support, the template is convenient to erect, and the casting is not easy to deform and leak slurry when concrete is poured. The telescopic screw is adopted to adjust the inclination angle of the column cap template, so that the inclination angle of the column cap template is convenient to control, and the molding quality of the column cap is ensured. The same beam-free column cap erecting structure can be commonly used in different building constructions, building materials are saved, efficiency is improved, and construction period is shortened.
Drawings
Fig. 1 is a schematic structural view of a variable cross-section beamless cap.
Fig. 2 is a schematic structural view of a variable cross-section beam-free cap erecting structure.
Fig. 3 is a schematic structural view of a cap template.
Fig. 4 is a schematic view of the structure of the building structure along the longitudinal section.
In the figure: the novel column cap comprises a 1-column cap body, 2-support columns, 3-first annular walls, 4-second annular walls, 5-bottom lining plates, 6-triangular trusses, 61-first trusses, 62-second trusses, 7-column holes, 8-column cap templates, 81-first inclined plates, 82-second inclined plates, 9-liftable positioning columns, 10-telescopic screws, 11-transverse connecting rods and 12-square timber.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Example 1: a variable cross-section beam-free column cap is shown in fig. 1, and comprises a column cap body 1, wherein the column cap body is hollow, the upper ends of support columns 2 penetrate through the column cap body 1, and the column cap body 1 and the support columns 2 are connected with a floor slab together so as to support the floor slab together. The cap body 1 is of an inverted cone shape, and the outer wall of the cap body 1 is composed of two part annular walls with different inclination angles, namely the outer wall of the cap body comprises a first annular wall 3 and a second annular wall 4 with different inclination angles, and the end parts of the first annular wall 3 and the second annular wall 4 are connected, wherein the inclination angle of the first annular wall 3 is larger than that of the second annular wall 4, so that the cap body 1 is a variable-section beamless cap. The inclination angle of the first annular wall 3 is 15-35 degrees, the inclination angle of the second annular wall 4 is 10-25 degrees, in the embodiment, the inclination angle of the first annular wall 3 is 20 degrees, the inclination angle of the second annular wall 4 is 15 degrees, the inclination-changing column cap structure can save materials such as steel bars and concrete to the greatest extent, and the bearing effect is better than that of the existing cubic column cap or inverted cone column cap.
Aiming at the variable cross-section beam-free column cap, the invention designs a setting structure of the variable cross-section beam-free column cap, which is shown in figures 2-4 and is mainly used for setting the variable cross-section beam-free column cap. The erecting structure comprises a bottom lining plate 5, a bottom plate 13, a triangular truss 6 and a column cap template 8, wherein a column hole 7 is formed in the center of the bottom lining plate 5, the bottom plate 13 is arranged on the bottom lining plate 5, the triangular trusses 6 are uniformly and vertically arranged around the column hole 7 and are arranged on the bottom plate 13, the column cap templates 8 are paved on the upper end face of the triangular truss 6, the side edges of two adjacent column cap templates 8 are mutually connected to enable the column cap templates 8 to be jointly arranged around the column hole 7, and generally, the column hole 7 is positioned in the center of the column cap templates 8. Each column cap template 8 comprises a first inclined plate 81 and a second inclined plate 82, wherein the inner edge of the first inclined plate 81 is in edge contact with the column hole 7, the outer edge of the first inclined plate 81 is connected with the inner edge of the second inclined plate 82, the side edges of two adjacent first inclined plates 81 or the side edges of the second inclined plate 82 are mutually connected, and seamless connection is adopted at the connection positions. The inclination angle of the first inclined plate is alpha, the inclination angle of the second inclined plate is beta, alpha is larger than beta, the inclination angle alpha of the first inclined plate is 15-35 degrees, the inclination angle beta of the second inclined plate is 10-25 degrees, after the cap template 8 is erected, the cap body 1 is poured on the erected cap template 8, therefore, the inclination angle alpha of the first inclined plate 81 is equal to the inclination angle of the first annular wall 3, and the inclination angle beta of the second inclined plate 82 is equal to the inclination angle of the second annular wall 4.
In the present embodiment, the triangular truss 6 includes a first truss 61 and a second truss 62, wherein the first inclined plate 81 is disposed at the upper end of the first truss 61, the second inclined plate 82 is disposed at the upper end of the second truss 62, and the first inclined plate 81 and the second inclined plate 82 are respectively mounted at the upper ends of the first truss 61 and the second truss 62. Meanwhile, the head end of the first truss 61 is hinged on the bottom lining plate 5, a liftable positioning column 9 is further vertically installed on the bottom lining plate 5 right below the head end of the second truss 62, the head end of the second truss 62 is hinged on the liftable positioning column 9, the liftable positioning column is a positioning column of a telescopic screw structure, telescopic screws 10 are respectively arranged at positions, close to the tail ends, on the first truss 61 and the second truss 62, the lower ends of the telescopic screws 10 are fixed on the bottom lining plate 5, and the upper ends of the telescopic screws 10 are fixed on the first truss 61 or the second truss 62. Through adjusting liftable reference column 9, can adjust the position height of the head end of second truss 62, through adjusting the length of telescopic screw 10 respectively, can make first truss 61, second truss 62 rotate around respective head end respectively, and then change the angle of inclination of first truss 61, second truss 62, can be applicable to the beamless cap of different angle of inclination combinations. The construction designer can adjust the inclination angles of the first truss 61 and the second truss 62 according to specific construction conditions, so that the same group of erection structures can produce different types of beam-free column caps.
In this embodiment, transverse connecting rods 11 are uniformly laid on the upper end surfaces of the triangular truss 6, square timber 12 is uniformly fixed on the lower end surfaces of the first inclined plate 81 and the second inclined plate 82, and the square timber 12 and the transverse connecting rods 11 are alternately arranged at intervals to limit the inclined plates, so that the first inclined plate 81 and the second inclined plate 82 are laid on the upper end surfaces of the transverse connecting rods 11, and the first inclined plate 8 and the second inclined plate 82 are mounted on the triangular truss 6.
The concrete installation and laying process comprises the following steps:
a. the main keel of the manufactured triangular truss 6 is used as a main keel supported by a column cap template 8, and is placed and fixed on corresponding positioning lines on two sides of a bottom lining plate (the two remaining sides are not installed temporarily), and the distance between two adjacent triangular trusses 6 is 700mm. Then, paving transverse connecting rods 11 along the triangular truss 6, wherein the transverse connecting rods 11 are rectangular square steel pipes, the distance between every two adjacent transverse connecting rods 11 is 200mm, and installing post cap templates 8 with lofted corresponding No. 1 and No. 2 on two sides after the transverse connecting rods 11 are paved;
b. after the lateral cap templates 8 on the two sides are paved, the main keels of the triangular trusses 6 on the two sides are installed, and the installation process are the same as above. Because the space between the parts is smaller, the transverse connecting rods 11 are made of short square timber, the space between the transverse connecting rods is 200mm, and after the transverse connecting rods 11 are paved, a post cap template 8 with well lofted No. 3 and No. 4 is installed;
c. in the assembling process of the column cap templates 8, attention is paid to control the edge template joint, and the joint template is cut into 45-degree inclined angles so as to facilitate the joint of the column cap templates at the yin and yang corners;
d. after the installation of the column cap template 8 is completed, before the concrete pouring of the column cap, the triangular truss 6 is integrally connected with the high-support formwork body by using common steel pipe fasteners in the horizontal direction so as to ensure the integral stability of the truss.
Claims (6)
1. The utility model provides a structure is set up to variable cross-section no roof beam cap which characterized in that: the column cap template is paved on the upper end face of the triangular truss, and the side edges of two adjacent column cap templates are connected with each other to enable each column cap template to be arranged around the column hole;
each column cap template comprises a first inclined plate and a second inclined plate, the inner edge of the first inclined plate is in contact with the edge of the column hole, the outer edge of the first inclined plate is connected with the inner edge of the second inclined plate, the side edges of two adjacent first inclined plates or second inclined plates are connected with each other, the inclination angle of the first inclined plate is alpha, the inclination angle of the second inclined plate is beta, and alpha is larger than beta;
the triangular truss comprises a first truss and a second truss, wherein the first inclined plate is arranged at the upper end of the first truss, the second inclined plate is arranged at the upper end of the second truss, the head end of the first truss is hinged to the bottom lining plate, a liftable positioning column is further vertically arranged on the bottom lining plate, the head end of the second truss is hinged to the liftable positioning column, telescopic screws are respectively arranged at positions, close to the tail ends, of the first truss and the second truss, the lower ends of the telescopic screws are fixed to the bottom lining plate, and the upper ends of the telescopic screws are fixed to the first truss or the second truss.
2. The erection structure of the variable-section beam-free column cap according to claim 1, wherein: the inclination angle alpha of the first inclined plate is 15-35 degrees, and the inclination angle beta of the second inclined plate is 10-25 degrees.
3. The erection structure of the variable-section beam-free column cap according to claim 1, wherein: the liftable positioning column is a positioning column of a telescopic screw structure.
4. The erection structure of the variable-section beam-free column cap according to claim 1, wherein: the upper end surfaces of the first truss and the second truss are respectively and uniformly paved with transverse connecting rods, and the first inclined plate and the second inclined plate are respectively paved on the upper end surfaces of the transverse connecting rods.
5. The erection structure of the variable-section beam-free column cap according to claim 1, wherein: and square timber is uniformly fixed on the lower end surfaces of the first inclined plate and the second inclined plate, and the square timber and the transverse connecting rod are arranged at intervals to respectively and correspondingly install the first inclined plate and the second inclined plate on the first truss and the second truss.
6. The erection structure of the variable-section beam-free column cap according to claim 1, wherein: the upright post hole is positioned at the center of the post cap template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171167.7A CN109750833B (en) | 2019-03-07 | 2019-03-07 | Building structure of variable cross-section beam-free column cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171167.7A CN109750833B (en) | 2019-03-07 | 2019-03-07 | Building structure of variable cross-section beam-free column cap |
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| Publication Number | Publication Date |
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| CN109750833A CN109750833A (en) | 2019-05-14 |
| CN109750833B true CN109750833B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910171167.7A Active CN109750833B (en) | 2019-03-07 | 2019-03-07 | Building structure of variable cross-section beam-free column cap |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110565948A (en) * | 2019-09-18 | 2019-12-13 | 上海建工七建集团有限公司 | Template device of inverted four-shuttle platform column cap and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383595A (en) * | 2011-08-18 | 2012-03-21 | 江苏双楼建设集团有限公司 | Inclination angle column cap combined wood former in beamless connected upright post |
| CN204456185U (en) * | 2015-01-04 | 2015-07-08 | 中天建设集团有限公司 | A kind of single-inclination cap triangular stall board supporting formwork system |
| CN205840315U (en) * | 2016-06-29 | 2016-12-28 | 泰宏建设发展有限公司 | Inclination angle connection supporting plate cap form bracing system structure |
| CN106639306A (en) * | 2017-01-22 | 2017-05-10 | 徐仁贵 | Material-saving type inclination linking and supporting plate column cap wood formwork and construction method thereof |
| CN209670340U (en) * | 2019-03-07 | 2019-11-22 | 中建八局第三建设有限公司 | A kind of variable cross-section sets up structure without beam column cap |
-
2019
- 2019-03-07 CN CN201910171167.7A patent/CN109750833B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383595A (en) * | 2011-08-18 | 2012-03-21 | 江苏双楼建设集团有限公司 | Inclination angle column cap combined wood former in beamless connected upright post |
| CN204456185U (en) * | 2015-01-04 | 2015-07-08 | 中天建设集团有限公司 | A kind of single-inclination cap triangular stall board supporting formwork system |
| CN205840315U (en) * | 2016-06-29 | 2016-12-28 | 泰宏建设发展有限公司 | Inclination angle connection supporting plate cap form bracing system structure |
| CN106639306A (en) * | 2017-01-22 | 2017-05-10 | 徐仁贵 | Material-saving type inclination linking and supporting plate column cap wood formwork and construction method thereof |
| CN209670340U (en) * | 2019-03-07 | 2019-11-22 | 中建八局第三建设有限公司 | A kind of variable cross-section sets up structure without beam column cap |
Non-Patent Citations (1)
| Title |
|---|
| 柱箍斜撑法倒锥台柱帽模板施工技术;张慧杰等;建设科技(第10期);第161页 * |
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