CN113235915A - Side column template reinforcing method - Google Patents
Side column template reinforcing method Download PDFInfo
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- CN113235915A CN113235915A CN202110552517.1A CN202110552517A CN113235915A CN 113235915 A CN113235915 A CN 113235915A CN 202110552517 A CN202110552517 A CN 202110552517A CN 113235915 A CN113235915 A CN 113235915A
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- template
- screw
- embedded
- reinforcing
- side column
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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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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a side column template reinforcing method. The reinforcing method comprises the following steps: 1) installing a lower layer side column template; 2) positioning and drilling holes in the templates at the tops of the outer sides of the side columns, wherein the positions of the holes are lower than the elevation of the upper floor; 3) embedding an embedded screw rod into the inner side of the template, wherein the end part of the embedded screw rod extends out of the hole; 4) reinforcing the lower layer side column template, pouring concrete, and removing the template after the template removal time is reached; 5) the upper side column template is installed, and the lower end of the template outside the side column extends to the lower layer and is penetrated by the embedded screw; 6) reinforcing the upper layer side column template, pouring concrete, and removing the template after the template removal time is reached; 7) and the embedded screw is used as a connecting point for installing the wall connecting piece of the outer scaffold. According to the invention, the screw rods are embedded in the side columns and are used as the pulling points of the side column base reinforcing system and the scaffold wall connecting piece, so that the slurry leakage, the foot rot and the die expansion of the column base can be reduced, the wall connecting piece is convenient to disassemble and assemble, and the influence on the building is reduced.
Description
Technical Field
The invention relates to a construction method applied to a column template, in particular to a side column template reinforcing method.
Background
On one hand, in the conventional wooden formwork reinforcing system, the reinforcing mode of the side column base is generally as follows: the flat floor is reinforced, the wood template is sealed, and square wood, steel pipes, wall-penetrating screws, butterfly buckles and the like are additionally arranged for reinforcement. This reinforcement construction process is mature and widely used. However, the existing process has more common quality problems, such as slurry leakage, honeycomb pitted surface, foot rot, mold expansion, deviation and the like. On the other hand, in the existing building engineering, the wall connecting piece commonly used by the outer scaffold is an embedded short steel pipe, the cross-shaped fastener and the connecting steel pipe are in drawknot with the outer scaffold, the drawknot mode meets the technical requirements of the scaffold on drawknot rigidity, strength, tensile resistance and the like, and the construction process is simple, convenient to operate and embedded visually. However, the prior art has the problems of inconvenient masonry and demolition, easy deviation of embedded parts and the like, and potential safety hazards of setting according to requirements, short embedded steel pipes, untimely recovery of demolished fasteners, premature demolition of wall connecting parts and the like are often found in various safety inspections.
Disclosure of Invention
The invention aims to solve the technical problem of providing a side column template reinforcing method, wherein a screw is embedded in a side column and is simultaneously used as a pulling point of a side column base reinforcing system and a scaffold wall connecting piece, so that the slurry leakage, the foot rot and the die expansion of the column base can be reduced, the wall connecting piece is convenient to disassemble and assemble, and the influence on the building is reduced.
In order to solve the technical problems, the invention adopts the following technical scheme:
a side column formwork reinforcing method comprises the following steps:
1) installing a lower layer side column template;
2) positioning and drilling holes in the templates at the tops of the outer sides of the side columns, wherein the positions of the holes are lower than the elevation of the upper floor;
3) embedding an embedded screw rod into the inner side of the template, wherein the end part of the embedded screw rod extends out of the hole in the step 2);
4) reinforcing the lower layer side column template, pouring concrete, and removing the template after the template removal time is reached;
5) the upper side column template is installed, and the lower end of the template outside the side column extends to the lower layer and is penetrated by the embedded screw;
6) reinforcing the upper layer side column template, pouring concrete, and removing the template after the template removal time is reached;
7) and the embedded screw is used as a connecting point for installing the wall connecting piece of the outer scaffold.
In the above technical scheme:
further, in step 1):
the side columns are square columns to facilitate the installation of the formwork and the following reinforcement structure.
Further, in step 2):
the number of the drilled holes is two, and the positions of the holes are 0.1m from the floor elevation and 1/4 column width positions from the column edge.
Further, in step 3):
the method for embedding the embedded screw rod comprises the steps that the embedded screw rod penetrates through the opening, and the two ends of the embedded screw rod are provided with the gasket and the nut and are clamped on the template; the part of the pre-buried screw rod in the column is bent into a hook shape (preferably 90 degrees), and the length of the pre-buried screw rod extending out of the hole is ensured to be 20-30 mm; and removing the gasket and the nut on the outer side of the template together after removing the template.
The total length of the embedded screw is preferably 100-200m, and the diameter of the embedded screw is preferably 12-16 mm.
Further, in step 4):
the reinforcing structure for reinforcing the template comprises square timber, a first connecting pipe, a side screw and channel steel; the square wood is vertically arranged on the outer side of the template; the first connecting pipes are provided with a plurality of pairs and are horizontally arranged at the outer side of the square timber at intervals, two ends of each first connecting pipe extend out of the edge of the side column, and the first connecting pipes at two opposite sides of the side column are symmetrically distributed; the side screw is tied between the end parts of the first connecting pipes on two opposite sides of the side column, and the two ends of the side screw penetrate between the two first connecting pipes; the channel steel is connected to the end part of the side screw, the channel steel buckles the two first connecting pipes in the channel, the side screw penetrates through the bottom of the channel steel, and the end part of the side screw is in threaded connection with a nut to fasten the channel steel; and removing the reinforcing structure together after the form removal.
Further, in step 6):
the reinforcing structure of the upper-layer side column template further comprises a pre-buried screw reinforcing part, a connecting sleeve, two first connecting pipes and channel steel, wherein the pre-buried screw reinforcing part comprises an extension screw coaxial with the extension end of the pre-buried screw, the connecting sleeve is in threaded connection between the pre-buried screw and the extension screw, the two first connecting pipes clamp the extension screw in the middle, and the channel steel penetrates through the extension screw at the bottom and buckles the two first connecting pipes at the same time; the square timber extends downwards along with the formwork on the outer side of the side column, and the two first connecting pipes are arranged on the outer side of the square timber; and the end part of the extension screw rod is in threaded connection with a nut to fasten the channel steel.
Furthermore, the first connecting pipe pulled by the side screw rod is arranged on the side column in a surrounding manner for at least two circles, and the first connecting pipes in the same circle are overlapped at the end parts to form a Chinese character 'jing'.
Further, in step 7):
the structure of wall connecting piece includes that the non-embedded end by pre-buried screw rod runs through to the channel-section steel of inslot from the bottom, locate channel-section steel inslot bottom and pre-buried screw rod threaded connection's connecting sleeve, overlap the second connecting pipe outside the connecting sleeve with the coaxial one end of pre-buried screw rod, run through the bolt of channel-section steel both sides and second connecting pipe simultaneously, bolt tip threaded connection has the nut of fastening it on the channel-section steel, channel-section steel and connecting sleeve are the spare part that comes from the reinforced structure after demolising, the second connecting pipe is used for with outer scaffold frame drawknot.
Further, the outer diameter of the connection sleeve is equal to the inner diameter of the second connection pipe.
Compared with the prior art, the invention has the advantages that:
1. the screw rod can be pre-buried in the trompil of side post outside template during the die filling, also only needs during the upper template installation to move down the side post side form, and the trompil makes the screw rod pass, and the template outside adds reinforcement such as square timber, first connecting pipe fixed can, and the workman of being convenient for is under construction, can not increase management pressure, has the practicality.
2. When the screw is embedded, the side mold of the side column needs to be moved downwards and then the side mold is fixed, so that the concrete joint of the column is positioned in the template, the gap of a column base template is eliminated, and common quality problems such as slurry leakage, foot rot and deviation are reduced.
3. The embedded screw is used as a pulling point of the outer scaffold, and can be matched with a traditional outer frame pulling mode through a tool type wall connecting piece and an outer frame pulling mode, so that the safety and reliability of the outer frame are improved, potential safety hazards caused by the fact that the pulling point of the outer frame needs to be removed in the process are reduced, and the safety risk of the outer frame is reduced; moreover, the exposed end of the embedded screw is short, so that the embedded screw can be conveniently cut, and the subsequent masonry is less influenced.
Drawings
FIG. 1 is a block flow diagram of a preferred embodiment of the present invention.
Fig. 2 is an installation schematic diagram of a pre-buried screw rod when a lower-layer side column is poured in the embodiment of fig. 1.
Fig. 3 is a perspective view of the reinforced upper side column formwork of the embodiment of fig. 1.
Fig. 4 is a front view of fig. 3.
Fig. 5 is a cross-sectional view of the position of the embedded screw in fig. 3.
Fig. 6 is a perspective view of the extension screw connected to the embedded screw in fig. 5.
Fig. 7 is a perspective view of the embodiment of fig. 1 after the embedded screw is connected to the wall member.
Fig. 8 is an exploded view of fig. 7.
In the figure: 1. side columns; 2. a template; 3. square wood; 4. a first connecting pipe; 5. a side screw; 6. channel steel; 7. extending the screw; 8. a floor; 9. pre-burying a screw; 10. a nut; 11. a connecting sleeve; 12. a second connecting pipe; 13. a bolt; 14. and (7) a gasket.
Detailed Description
The present invention will now be described with reference to the accompanying drawings, wherein the specific embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.
Referring to fig. 1 to 8, the method for reinforcing a side pillar form of the present embodiment includes the following steps:
1) firstly, carrying out template installation on a lower layer side column, wherein the side column is a square column;
2) positioning and drilling holes in the templates at the tops of the outer sides of the side columns, wherein the positions of the holes are lower than the elevation of the upper floor;
3) embedding an embedded screw rod into the inner side of the template, wherein the end part of the embedded screw rod extends out of the hole in the step 2);
4) reinforcing the lower layer side column template, pouring concrete, and removing the template after the template removal time is reached;
5) the upper side column template is installed, and the lower end of the template outside the side column extends to the lower layer and is penetrated by the embedded screw;
6) reinforcing the upper layer side column template, pouring concrete, and removing the template after the template removal time is reached;
7) and the embedded screw is used as a connecting point for installing the wall connecting piece of the outer scaffold.
In the step 2), the number of the drilled holes is two, and the positions of the holes are 0.1m from the floor elevation and 1/4 column width from the column edge. The diplopore setting can be under the prerequisite of the quantity of minimizing drilling, does benefit to the firm installation at following pre-buried screw rod reinforcement position.
In step 3), referring to fig. 2, the embedded screw 9 is embedded by passing the embedded screw 9 through the opening, and the gasket 14 and the nut 10 on both ends are clamped on the template 2. The part of the pre-buried screw rod 9 in the column is bent into a hook shape of 90 degrees, and the length of the pre-buried screw rod extending out of the hole is ensured to be 20-30 mm; after the form removal, the washer 14 and the nut 10 on the outer side of the form are removed together. The total length of the embedded screw is 100-200m, and the diameter is 12-16 mm. The embedded screw can be kept firmly fixed in the concrete pouring process through the matching and fastening of the gasket and the nut; the embedded screw is made into a hook shape, so that the embedded screw can be used as a pulling point of a reinforced structure, particularly an external scaffold, rotation and deviation are avoided, and the safety is improved.
In step 4) and step 6), referring to fig. 3 and 4, the reinforcing structure reinforcing the formwork 2 includes square lumber 3, a first connecting pipe 4, a side screw 5, and a channel steel 6. The square timber 3 is vertically arranged on a plurality of outer sides of the template 2. The first connecting pipes 4 are provided with a plurality of pairs, the pairs of first connecting pipes are arranged on the outer side of the square timber 3 at intervals and horizontally, two ends of each first connecting pipe 4 extend out of the edge of the side column 1, and the first connecting pipes 4 on two opposite sides of the side column 1 are symmetrically distributed. The side screw 5 is drawn between the ends of the first connecting pipes 4 on two opposite sides of the side column, and the two ends are penetrated between the two first connecting pipes 4. The channel steel 6 is connected to the end part of the side screw 5, the channel steel 6 buckles the two first connecting pipes 4 in the channel, the side screw 5 penetrates through the bottom of the channel steel 6, and a nut is connected to the end part of the side screw 5 in a threaded manner to fasten the channel steel 6; and removing the reinforcing structure together after the form removal. The distance between two inner walls of the channel steel 6 is the sum of the outer diameters of the two first connecting pipes 4 and the diameters of the side screw rods 5, and the channel steel 6 can be clamped between the first connecting pipes 4 and the side screw rods 5 due to the size, so that firmness is improved. The channel steel is used as a connecting part of the connecting end, although the stability is slightly worse than that of a conventional butterfly buckle and a mountain-shaped clamp, the connecting part is more convenient to process and lower in manufacturing cost, and can be repeatedly used in the following wall connecting piece, so that the use efficiency is improved.
With continued reference to fig. 5 and 6, the reinforcing structure of the upper side column formwork further includes a pre-embedded screw reinforcing portion, which includes an extension screw 7 coaxial with the extension end of the pre-embedded screw 9, a connecting sleeve 11 in threaded connection between the pre-embedded screw 9 and the extension screw 7, two first connecting pipes 4 sandwiching the extension screw 7, and a channel steel 6 whose bottom is penetrated by the extension screw 7 and which simultaneously buckles the two first connecting pipes 4. The square timber 3 extends downwards along with the template 2 on the outer side of the side column 1, and the two first connecting pipes 4 are arranged on the outer side of the square timber 3; the end part of the extension screw 7 is connected with a nut in a threaded manner to fasten the channel steel 6. The connecting sleeve 11 should abut against the formwork 2, and the end of the extension screw 7 and the end of the embedded screw 9 should also abut against each other to improve the stability of the connection of the extension screw 7.
The first connecting pipe 4 pulled by the side screw 5 is provided with two circles on the side column 1 in a surrounding way, and the end parts of the first connecting pipes 4 in the same circle are mutually overlapped to form a shape like a Chinese character 'jing'.
In step 7), referring to fig. 7 and 8, the structure of the wall connecting piece includes a channel steel 6 which is penetrated into the groove from the bottom by the non-embedded end of the embedded screw 9, a connecting sleeve 11 which is arranged at the bottom of the groove of the channel steel 6 and is in threaded connection with the embedded screw 6, a second connecting pipe 12 which is sleeved outside the connecting sleeve 11 and is coaxial with the embedded screw 9, and a bolt 13 which is penetrated through two sides of the channel steel 6 and the second connecting pipe 12 simultaneously, wherein the end part of the bolt 13 is in threaded connection with a nut which fastens the bolt on the channel steel 6, the channel steel 6 and the connecting sleeve 11 are parts from a disassembled reinforcing structure, and the second connecting pipe 12 is used for being tied with an outer scaffold. The first connecting pipe 4 and the second connecting pipe 12 are both steel pipes. The outer diameter of the connecting sleeve 11 is equal to the inner diameter of the second connecting pipe 12, so that the connecting sleeve 11 can be prevented from shaking and shifting.
When the outer scaffold frame is needed to be installed, the second connecting pipe is stretched into the outer scaffold frame, the second connecting pipe and the vertical rod of the scaffold frame are fastened by the right-angle fastener, and the scaffold frame can be stably kept through the fastening of the second connecting pipes.
Claims (10)
1. A side column template reinforcing method is characterized by comprising the following steps:
1) installing a lower layer side column template;
2) positioning and drilling holes in the templates at the tops of the outer sides of the side columns, wherein the positions of the holes are lower than the elevation of the upper floor;
3) embedding an embedded screw rod into the inner side of the template, wherein the end part of the embedded screw rod extends out of the hole in the step 2);
4) reinforcing the lower layer side column template, pouring concrete, and removing the template after the template removal time is reached;
5) the upper side column template is installed, and the lower end of the template outside the side column extends to the lower layer and is penetrated by the embedded screw;
6) reinforcing the upper layer side column template, pouring concrete, and removing the template after the template removal time is reached;
7) and the embedded screw is used as a connecting point for installing the wall connecting piece of the outer scaffold.
2. The side pillar formwork reinforcement method according to claim 1, characterized in that:
the side columns are square columns.
3. The side pillar formwork reinforcement method according to claim 1, characterized in that:
in the step 2), the number of the drilled holes is two, and the positions of the holes are 0.1m away from the floor elevation and 1/4 column width away from the column edge.
4. The side pillar formwork reinforcement method according to claim 1, characterized in that:
in the step 3), the embedded screw is embedded by penetrating the embedded screw through the opening, installing a gasket and a nut at two ends of the embedded screw and clamping the embedded screw on the template; the part of the pre-buried screw rod in the column is bent into a hook shape, and the length of the pre-buried screw rod extending out of the hole is ensured to be 20-30 mm; and removing the gasket and the nut on the outer side of the template together after removing the template.
5. The side pillar formwork reinforcement method according to claim 2, characterized in that:
in the steps 4) and 6), the reinforcing structure for reinforcing the template comprises square timber, a first connecting pipe, a side screw and channel steel; the square wood is vertically arranged on the outer side of the template; the first connecting pipes are provided with a plurality of pairs and are horizontally arranged at the outer side of the square timber at intervals, two ends of each first connecting pipe extend out of the edge of the side column, and the first connecting pipes at two opposite sides of the side column are symmetrically distributed; the side screw is tied between the end parts of the first connecting pipes on two opposite sides of the side column, and the two ends of the side screw penetrate between the two first connecting pipes; the channel steel is connected to the end part of the side screw, the channel steel buckles the two first connecting pipes in the channel, the side screw penetrates through the bottom of the channel steel, and the end part of the side screw is in threaded connection with a nut to fasten the channel steel; and removing the reinforcing structure together after the form removal.
6. The side pillar formwork reinforcement method according to claim 5, characterized in that:
in the step 6), the reinforcing structure further comprises a pre-buried screw reinforcing part, wherein the pre-buried screw reinforcing part comprises an extension screw coaxial with the extension end of the pre-buried screw, a connecting sleeve in threaded connection between the pre-buried screw and the extension screw, two first connecting pipes clamping the extension screw in the middle, and channel steel with the bottom penetrating through the extension screw and simultaneously buckling the two first connecting pipes; the square timber extends downwards along with the formwork on the outer side of the side column, and the two first connecting pipes are arranged on the outer side of the square timber; and the end part of the extension screw rod is in threaded connection with a nut to fasten the channel steel.
7. The side pillar formwork reinforcing method according to claim 5 or 6, wherein:
the first connecting pipe pulled by the side screw rod is provided with at least two circles around the side column, and the end parts of the first connecting pipes in the same circle are mutually lapped to form a shape like a Chinese character 'jing'.
8. The side pillar formwork reinforcement method according to claim 6, characterized in that:
in the step 7), the structure of the wall connecting piece comprises a channel steel which is penetrated into the groove from the bottom by a non-embedded end of an embedded screw, a connecting sleeve which is arranged at the bottom in the channel steel groove and is in threaded connection with the embedded screw, a second connecting pipe which is sleeved outside the connecting sleeve and is coaxial with the embedded screw, and a bolt which is penetrated through two sides of the channel steel and the second connecting pipe, wherein the end part of the bolt is in threaded connection with a nut which fastens the bolt on the channel steel, the channel steel and the connecting sleeve are parts of a reinforcing structure after being detached, and the second connecting pipe is used for being tied with an outer scaffold.
9. The side pillar formwork reinforcement method according to claim 8, characterized in that:
the outer diameter of the connecting sleeve is equal to the inner diameter of the second connecting pipe.
10. The side pillar formwork reinforcement method according to claim 1, characterized in that:
the total length of the embedded screw is 100-200m, and the diameter of the embedded screw is 12-16 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552517.1A CN113235915A (en) | 2021-05-20 | 2021-05-20 | Side column template reinforcing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552517.1A CN113235915A (en) | 2021-05-20 | 2021-05-20 | Side column template reinforcing method |
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| Publication Number | Publication Date |
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| CN113235915A true CN113235915A (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110552517.1A Pending CN113235915A (en) | 2021-05-20 | 2021-05-20 | Side column template reinforcing method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700586A (en) * | 2019-10-14 | 2020-01-17 | 重庆建工建筑产业技术研究院有限公司 | Refined construction method for formwork at near-empty part |
| CN211572532U (en) * | 2019-12-11 | 2020-09-25 | 重庆拓达建设（集团）有限公司 | Tool type wall connecting piece for external scaffold |
| CN111894269A (en) * | 2020-07-06 | 2020-11-06 | 五冶集团上海有限公司 | Construction method for reinforcing structure of wall and column external mold |
-
2021
- 2021-05-20 CN CN202110552517.1A patent/CN113235915A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700586A (en) * | 2019-10-14 | 2020-01-17 | 重庆建工建筑产业技术研究院有限公司 | Refined construction method for formwork at near-empty part |
| CN211572532U (en) * | 2019-12-11 | 2020-09-25 | 重庆拓达建设（集团）有限公司 | Tool type wall connecting piece for external scaffold |
| CN111894269A (en) * | 2020-07-06 | 2020-11-06 | 五冶集团上海有限公司 | Construction method for reinforcing structure of wall and column external mold |
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