CN112144867A - Reserved joint bar template structure for combined steel template cast-in-place structure - Google Patents
Reserved joint bar template structure for combined steel template cast-in-place structure Download PDFInfo
- Publication number
- CN112144867A CN112144867A CN202011136394.5A CN202011136394A CN112144867A CN 112144867 A CN112144867 A CN 112144867A CN 202011136394 A CN202011136394 A CN 202011136394A CN 112144867 A CN112144867 A CN 112144867A
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- China
- Prior art keywords
- template
- joint bar
- reserved joint
- steel
- combined steel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/007—Plugs to close openings in forms' surface
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
- E04G17/042—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by threaded elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0651—One-piece elements
- E04G17/0652—One-piece elements fully recoverable
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a reserved joint bar structure used in a combined steel template cast-in-place structure, in particular to a reserved joint bar template structure which can be repeatedly used and is used in the combined steel template cast-in-place structure. A reserved joint bar template structure for a combined steel template cast-in-place structure is characterized in that a reserved joint bar template made of hard materials is arranged in the combined steel template at a reserved joint bar position, and a plurality of tie bar through holes are formed in the length direction of the reserved joint bar template made of hard materials and used for penetrating the reserved joint bar; the upper end and the lower end of the hard material reserved joint bar template are respectively fixed with the upper combined steel template and the lower combined steel template. The invention has the following advantages: 1. the processing and forming are fast, the deviation of the formed size is small, the reserved dowel bar position is accurate, and the whole template structure is stable and safe after being installed; 2. the integrity is good, the safety is good, and the turnover efficiency is rapid; 3. the method has no cross construction interference, does not need template drilling, and does not need secondary straightening construction for the tie bars.
Description
Technical Field
The invention relates to a reserved joint bar structure used in a combined steel template cast-in-place structure, in particular to a reserved joint bar template structure which can be repeatedly used and is used in the combined steel template cast-in-place structure.
Background
As shown in fig. 1, a common high-rise building masonry reserved joint bar position structure. As shown in fig. 2, the settlement joint part formwork and the support supporting structure constructed by the construction method have the following 4 problems: 1. the pre-buried reinforcing bar of structural column curls and deforms after chiseling out, and alignment difficulty, bending point position probably fracture or produce the destruction of buckling after the pre-buried reinforcing bar alignment. 2. The pre-buried reinforcing bar of structure post is dug out the in-process and is destroyed structure post surface concrete, especially the protective layer structure of structure post concrete, causes the appearance quality poor and structural safety hidden danger. 3. The embedded steel bars of the structural column are inconvenient to install and fix, so that the embedded steel bars cannot be found through the rear chisel, and the problem that the concrete of the damaged surface layer of the structural column is difficult to repair is solved. 4. The steel bar displacement caused by insecure installation and the steel bar offset and the interval position inaccuracy caused by the vibrating spear in the concrete pouring process can exist in the steel bar embedding process of the structural column.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a reserved joint bar formwork structure for a combined steel formwork cast-in-place structure, which is simple and quick in construction and installation, accurate in joint bar positioning, capable of achieving the technical requirements of simultaneous installation with a frame shear wall and a frame shear wall column structure and simultaneous formwork removal.
In order to achieve the purpose, the invention adopts the following technical scheme: a reserved joint bar template structure for a combined steel template cast-in-place structure is characterized in that a reserved joint bar template made of hard materials is arranged in the combined steel template at a reserved joint bar position, and a plurality of tie bar through holes are formed in the length direction of the reserved joint bar template made of hard materials and used for penetrating the reserved joint bar; the upper end and the lower end of the hard material reserved joint bar template are respectively fixed with the upper combined steel template and the lower combined steel template.
Preferably, the aperture of the tie bar perforation is larger than the outer diameter of the reserved joint bar.
Furthermore, the device also comprises a rubber or foam plug used for sealing the tie bar through hole after the reserved joint bar is installed.
Preferably, the two ends of the hard material reserved joint bar template are respectively cantilevered out of the two ends of the combined steel template, the cantilevered ends of the hard material reserved joint bar template are provided with bolt through holes, and the opposite hard material reserved joint bar template is locally leveled and clamped through opposite pull bolts matched with the bolt through holes.
Preferably, the two ends of the hard material reserved joint bar template are cantilevered out by 100mm from the two ends of the combined steel template.
Preferably, be provided with the fixed steel sheet of horizontal channel-section steel between the end of encorbelmenting of dowel template is reserved to relative hard material, the length of the fixed steel sheet of horizontal channel-section steel is unanimous with the interval that the dowel template was reserved to relative hard material, has seted up the bolt hole on its length direction, and it is fixed with the encorbelment of hard material reservation dowel template respectively to pass the bolt hole to split bolt.
Preferably, the material of the hard material reserved joint bar template is channel steel.
The principle is as follows: the reserved steel bars on the side surfaces of the constructional column and the frame column are generally kept at the structural height, the height interval is 500mm, the extending length is not less than 1000mm, the thickness of the reserved steel bar inserting template of the channel steel is much thicker than that of the combined steel template, and after the tie bar through holes are drilled, the reserved steel bar inserting template can be used repeatedly, so that the problems of deformation, tearing and the like which cannot be used are avoided; the design and installation of the rubber or foam plug eliminate the common defects of concrete appearance quality caused by slurry leakage of the template.
Compared with the prior art, the invention has the following advantages:
1. the processing and forming are fast, the deviation of the formed size is small, the reserved dowel bar position is accurate, and the whole template structure is stable and safe after being installed;
2. the integrity is good, the safety is good, and the turnover efficiency is rapid;
3. the method has the advantages that cross construction interference is avoided, template drilling is not needed, secondary straightening construction is not needed for tie bars, and the single-side channel steel reserved joint bar template can be combined and firmly installed.
Drawings
FIG. 1 is a partial structural schematic diagram of the background art of the present invention;
FIG. 2 is a schematic structural diagram of a part of embedded joint bars in the bar chiseling process in the background art of the invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is view 1-1 of FIG. 4;
in fig. 3-5, 1, a reinforced concrete structure shear wall and column; 2. a structural column side steel form; 2-1, an outer frame at the bottom surface of the upper end template; 2-2, upper end template inner frame steel plate ribs; 2-3, an outer frame on the top surface of the lower end template; 2-4, fixing piece holes; 3. reserving a dowel bar; 4. reserving a steel bar inserting template for the channel steel; 4-1, an outer frame at the bottom surface of the channel steel; 4-2, an outer frame on the top surface of the channel steel; 4-3, cantilever section channel steel; 4-4, perforating the bolt; 5. perforating the tie bar; 6. rubber or foam plugs; 7. fixing a steel plate by transverse channel steel; 7-1, fixing a steel plate bolt hole by using transverse channel steel; 8. and fastening the bolt.
Detailed Description
It should be noted that, in the present embodiment, the directional words "upper", "lower", "middle", etc. are described according to the drawings, and do not limit the present invention.
The invention is described in further detail below with reference to figures 3-5: a cast-in-place structure of a combined steel template comprises a structural column side steel template 2 and a channel steel reserved joint bar template 4. The structural column side steel templates 2 are side templates of a reinforced concrete structure shear wall and a column 1 to be poured and are oppositely arranged at two sides of the reinforced concrete structure shear wall and the column 1, the channel steel reserved joint bar templates 4 are shaped single-side channel steel reserved joint bar templates made of 50 multiplied by 37 multiplied by 7 channel steel and are arranged at the positions of reserved joint bars at the middle section of the structural column side steel templates 2, a plurality of tie bar through holes 5 are formed in the length direction of the channel steel reserved joint bar templates 4 and are used for penetrating the reserved joint bars 3, and the tie bar through holes 5 are positioned on the axis of the channel steel reserved joint bar templates 4 in the length direction; the upper end and the lower end of the channel steel reserved joint bar template 4 are respectively fixed with the upper structural column side steel template 2 and the lower structural column side steel template 2.
In this embodiment, the concrete structure between structure post side steel form 2 and channel-section steel reserved joint bar form 4 is: the upper end template bottom surface outer frame 2-1 of the structural column side steel template 2 and the channel steel top surface outer frame 4-2 of the channel steel reserved joint bar template 4 are fixedly connected through a fastening bolt 8, and the lower end template top surface outer frame 2-3 of the structural column side steel template 2 and the channel steel bottom surface outer frame 4-1 of the channel steel reserved joint bar template 4 are fixedly connected through a fastening bolt 8; the upper end template inner frame steel plate ribs 2-2 are arranged vertically and horizontally to form a frame structure in the structure column side steel template 2, and the fixing piece holes 2-4 are shaping holes which are arranged on the structure column side steel template 2 and used for assembling the template by the U-shaped clamps; the overhanging section channel steel 4-3 is an overhanging end of the end part of the steel template 2 at the side of the overhanging structural column of the channel steel reserved joint bar template 4, and is provided with bolt through holes 4-4.
In order to conveniently insert the reserved joint bars 3 into the tie bar through holes 5 in the channel steel reserved joint bar template 4, the aperture of the tie bar through holes 5 is 2mm larger than the outer diameter of the reserved joint bars 3.
In order to avoid slurry leakage at the perforated part of the reserved joint bar 3, after the reserved joint bar 3 is installed, two ends of the reserved joint bar are blocked by rubber or foam, and 6 is tightly attached to the outer surface of the constructed channel steel reserved joint bar template 4.
Two ends of the channel steel reserved joint bar template 4 are respectively cantilevered out of two ends of the structural column side steel template 2, a row of M16 bolt through holes 4-4 are reserved at the central position of the overhanging section channel steel 4-3 of the channel steel reserved joint bar template, and the opposite channel steel reserved joint bar template 4 is locally leveled and clamped through opposite pull bolts matched with the opposite pull bolts. In this embodiment, the both ends of the channel-section steel reserved joint bar template 4 are all cantilevered out of the both ends 100mm of the structural column side steel template 2.
As a preferred embodiment of the embodiment, a transverse channel steel fixing steel plate 7 is arranged between overhanging section channel steels 4-3 of the opposite channel steel reserved joint bar template 4, the length of the transverse channel steel fixing steel plate 7 is consistent with the distance between the opposite channel steel reserved joint bar templates, transverse channel steel fixing steel plate bolt holes 7-1 are formed in the length direction of the transverse channel steel fixing steel plate, counter bolts penetrate through the transverse channel steel fixing steel plate bolt holes 7-1 to be fixed with the overhanging section channel steels 4-3 of the channel steel reserved joint bar template respectively, and the forming size deviation of the channel steel reserved joint bar template is reduced.
The above examples are merely preferred embodiments of the present invention and are not to be construed as limiting the invention. The material of the reserved joint bar template is not limited to the channel steel in the embodiment, and can also be other hard materials. It will be appreciated by those skilled in the art that any such alterations, modifications or the like are within the scope of the invention as defined by the appended claims without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a reserve joint bar template structure for making up cast-in-place structure of steel form which characterized in that: the reserved joint bar template structure is a hard material reserved joint bar template, the reserved joint bar template is installed at the reserved joint bar position in the combined steel template, and a plurality of tie bar through holes are formed in the length direction of the hard material reserved joint bar template and used for penetrating the reserved joint bar; the upper end and the lower end of the hard material reserved joint bar template are respectively fixed with the upper combined steel template and the lower combined steel template.
2. The reserved joint bar formwork structure for the combined steel formwork cast-in-place structure according to claim 1, characterized in that: the aperture of the tie bar through hole is larger than the outer diameter of the reserved joint bar.
3. A reserved joint bar formwork structure for a combined steel formwork cast-in-place structure according to claim 1 or 2, characterized in that: the sealing device also comprises a rubber or foam plug for sealing the tie bar through hole after the reserved joint bar is installed.
4. The reserved joint bar formwork structure for the combined steel formwork cast-in-place structure according to claim 1, characterized in that: the two ends of the hard material reserved joint bar template are respectively cantilevered out of the two ends of the combined steel template, the cantilevered ends of the hard material reserved joint bar template are provided with bolt through holes, and the opposite hard material reserved joint bar template is locally leveled and clamped through the opposite pull bolts matched with the bolt through holes.
5. The reserved joint bar formwork structure for the combined steel formwork cast-in-place structure according to claim 4, characterized in that: the two ends of the hard material reserved joint bar template are respectively cantilevered out of the two ends of the combined steel template by 100 mm.
6. The reserved joint bar formwork structure for the combined steel formwork cast-in-place structure according to claim 4, characterized in that: the hard material reserved joint bar template is characterized in that a transverse channel steel fixing steel plate is arranged between the overhanging ends of the hard material reserved joint bar template, the length of the transverse channel steel fixing steel plate is consistent with the distance between the hard material reserved joint bar templates, bolt holes are formed in the length direction of the transverse channel steel fixing steel plate, and split bolts penetrate through the bolt holes and are fixed with the overhanging ends of the hard material reserved joint bar template respectively.
7. The reserved joint bar formwork structure for the combined steel formwork cast-in-place structure according to claim 1, characterized in that: the hard material reserved joint bar template is made of channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136394.5A CN112144867A (en) | 2020-10-22 | 2020-10-22 | Reserved joint bar template structure for combined steel template cast-in-place structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136394.5A CN112144867A (en) | 2020-10-22 | 2020-10-22 | Reserved joint bar template structure for combined steel template cast-in-place structure |
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| Publication Number | Publication Date |
|---|---|
| CN112144867A true CN112144867A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011136394.5A Pending CN112144867A (en) | 2020-10-22 | 2020-10-22 | Reserved joint bar template structure for combined steel template cast-in-place structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982833A (en) * | 2021-03-05 | 2021-06-18 | 中国十七冶集团有限公司 | Floor slab embedded joint bar retaining device and embedded joint bar construction method |
-
2020
- 2020-10-22 CN CN202011136394.5A patent/CN112144867A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982833A (en) * | 2021-03-05 | 2021-06-18 | 中国十七冶集团有限公司 | Floor slab embedded joint bar retaining device and embedded joint bar construction method |
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