CN112012494A - Construction method of multipurpose reinforced full-hall support frame - Google Patents
Construction method of multipurpose reinforced full-hall support frame Download PDFInfo
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- CN112012494A CN112012494A CN202010937853.3A CN202010937853A CN112012494A CN 112012494 A CN112012494 A CN 112012494A CN 202010937853 A CN202010937853 A CN 202010937853A CN 112012494 A CN112012494 A CN 112012494A
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- frame body
- concrete
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- support frame
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
Abstract
The invention discloses a construction method of a multipurpose reinforced full-hall supporting frame body, and relates to the technical field of constructional engineering. The construction method of the multipurpose reinforced full-hall support frame body strengthens the overall stability of the frame body by reinforcing the connection of the floor corner columns and the full-frame support frame body, can reduce the instability risk of the full-frame support frame body, particularly the large-span frame body to a certain extent, can serve as edge protection in the subsequent construction process, and saves part of construction resources.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a construction method of a multipurpose reinforced full-hall support frame body.
Background
Along with the universal blossoming of the construction projects all over the country, particularly the house construction projects, the construction method of the full cheek support frame body is generally applied in the field of the house construction projects, the construction method is simple and easy to operate, the support performance is good, and large machinery is not needed in the construction process.
However, in recent years, the occurrence of collapse of the full-length frame body to cause a group death and group injury due to factors such as improper operation of professional construction personnel or unreasonable arrangement of the frame body is frequent, and particularly, during construction of a main body structure with a large span, the risk of instability of the frame body due to factors such as pressure deflection of the axis of the frame body is remarkably increased, so that great potential safety hazard is caused to the construction.
The invention aims to enhance the overall stability of the frame body by strengthening the connection between the corner columns of the floor slab and the full-frame support frame body, can reduce the instability risk of the full-frame support frame body, particularly the large-span frame body to a certain extent, and can serve as the near-edge protection in the subsequent construction process, thereby saving part of construction resources.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a construction method of a multipurpose reinforced full-hall support frame body, and solves the problem that when a main body structure with larger span is constructed, the risk of instability of the frame body is obviously increased due to factors such as pressure deflection of the axis of the frame body and the like, so that great potential safety hazards are caused to construction.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a construction method of a multipurpose reinforced full-hall support frame body comprises the following steps:
the method comprises the following steps: firstly, binding reinforcing steel bars of four corner columns of the floor slab at the early stage of building a support frame body of the cast-in-situ floor slab;
step two: selecting the height of the horizontal cross bar of the building layer for rough positioning when binding the longitudinal stress rib of the corner post
Step three: adopting a laser swinger to carry out detailed positioning on the four corner post longitudinal stress bars, and selecting the welding height of the embedded part;
step four: fixing the scaffold embedded connecting piece on the longitudinal stress rib of each corner post by using a phi 10 steel bar, selecting the height according to the step pitch of the horizontal cross bars of the building layer (not less than 3 steps), and enabling a connecting port to face outwards;
step five: adjusting the position and angle of the embedded part, welding according to the positioning height and position strictly, ensuring that the interface central line of the embedded part is horizontal, and enabling the plane formed by the connection of the interface central lines to be parallel to the ground;
step six: when the corner column template is erected, the positions of the connectors are left between the vertical ridges, holes are formed in the contact positions of the embedded parts and the template, and the size of the hole opening is slightly larger than the outer edge of the interface of the embedded part, so that the embedded part is conveniently connected with the fixing part;
step seven: the method comprises the following steps that before a column template of a corner column is erected, an anti-falling plastic plug is used for blocking an embedded part interface to prevent the interface from being blocked when concrete of the column is poured, and the anti-falling plastic plug ensures tight connection and firmness to prevent cement paste from leaking into the interface when the concrete is poured;
step eight: after the corner post concrete pouring is finished, the floor slab support frame body on the upper layer can be erected, the anti-falling plastic plugs on the corner post templates are removed before the horizontal cross bars are erected, the embedded joints are cleaned up, the fixing pieces are connected with the embedded joints by using screws, and the full-space support frame body is erected after the fixing pieces are connected with the scaffold steel pipes;
step nine: after the full frame support frames are erected and the floor reinforcing steel bars are bound, because the concrete of the corner posts has certain strength and is reliably connected with the whole frame body through the embedded parts, the overall support performance formed by the full frame support body is stronger than that of the pure full frame support frame body, the risk of instability of the frame body is effectively reduced during concrete pouring of an upper floor slab and a beam, and the full frame support frame is suitable for large-span floor pouring;
step ten: when concrete pouring on the construction layer is completed and the designed strength is reached to dismantle the frame body, the embedded parts and the connecting rods thereof can be reserved to be used as the boundary protection of the later floor until the outer wall is built during secondary structure construction.
Preferably, when the concrete is poured, the bottom of the concrete is filled with mortar with the same mixing ratio and the thickness of 5 cm-1 Ocm, the column concrete is vibrated in a layered mode, when an inserted vibrator is used, the thickness of each layer is larger than 50cm, a vibrating rod cannot stir reinforcing steel bars and embedded parts, deviation of the embedded parts is prevented, the column height is within 3m, pouring is directly performed at the top of the column, when the column height exceeds 3m, measures (a barrel is strung) are taken or inclined chutes are installed in holes formed in the side faces of the formwork, and the column concrete is poured in a segmented mode, and the column concrete is poured at one time.
(III) advantageous effects
The invention provides a construction method of a multipurpose reinforced full-hall support frame body. The method has the following beneficial effects:
the construction method of the multipurpose reinforced full-hall support frame body strengthens the overall stability of the frame body by reinforcing the connection of the floor corner columns and the full-frame support frame body, can reduce the instability risk of the full-frame support frame body, particularly the large-span frame body to a certain extent, can serve as edge protection in the subsequent construction process, and saves part of construction resources.
Drawings
FIG. 1 is a side view of an embedded steel plate with screw holes;
FIG. 2 is a front view of an embedded steel plate with screw holes;
FIG. 3 is a schematic structural view of the anti-dropping plastic plug;
FIG. 4 is a schematic view of a double-headed screw structure;
FIG. 5 is a schematic view of a steel pipe connector;
FIG. 6 is a schematic view of the construction process of the present invention;
fig. 7 is a diagram illustrating the final effect of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a construction method of a multipurpose reinforced full-hall support frame body comprises the following steps:
(1) fixing of pre-buried steel plate with screw hole
As shown in fig. 2, the reinforcement of four corner columns of the floor slab is firstly made during the early stage of building the support frame body of the cast-in-situ floor slab, and the height of the horizontal cross bar of the building layer is selected for rough positioning during the binding of the longitudinal stress rib of the corner column. And positioning the four longitudinal stress bars of the corner columns in detail by using a laser swinger, and selecting the welding height of the a pre-buried steel plate with the screw hole.
(2) Corner post template erection and concrete pouring
The screw holes of the embedded steel plates with the screw holes are plugged by using anti-falling plastic plugs b before the column templates of the corner columns are erected so as to prevent the screw holes from being plugged when column concrete is poured, connector positions are left between the vertical ridges when the corner column templates are erected, holes are formed in the contact positions of the embedded parts and the templates, and the column concrete is poured, as shown in figure 2.
(3) Full frame supports support body and sets up and strengthen steel pipe and connect
After pouring and accomplish post concrete after just condensing set up the full door frame of floor and support the support body, will take the interior clean up of screw of the pre-buried steel sheet of screw to use with the anticreep plastic plug on the corner post template before setting up horizontal pole: the double-end screw connects the steel pipe connecting piece with the embedded steel plate with the screw hole, and the full-hall support frame body is erected after the fixing piece and the scaffold steel pipe are connected.
(4) Concrete pouring of floors
And after the whole frame body is erected, carrying out concrete pouring on the floor slab after the whole frame body is qualified through inspection.
(5) Full frame support frame dismantling
And (d) when concrete pouring of a construction layer is finished and the design strength is reached and the frame body is completely dismantled, retaining a pre-embedded steel with a screw hole and d, wherein the steel pipe connecting piece is used for later-stage floor edge protection until the outer wall is dismantled during secondary structure construction.
In conclusion, the multipurpose reinforced full-hall support frame construction method strengthens the overall stability of the frame body by reinforcing the connection of the floor corner columns and the full-frame support frame body, can reduce the risk of instability of the frame body with the full-frame support frame body, especially a large span, and can serve as edge protection in the subsequent construction process, thereby saving a part of construction resources.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A construction method of a multipurpose reinforced full-hall support frame body is characterized by comprising the following steps:
the method comprises the following steps: firstly, binding reinforcing steel bars of four corner columns of the floor slab at the early stage of building a support frame body of the cast-in-situ floor slab;
step two: selecting the height of the horizontal cross bar of the building layer for rough positioning when binding the longitudinal stress rib of the corner post
Step three: adopting a laser swinger to carry out detailed positioning on the four corner post longitudinal stress bars, and selecting the welding height of the embedded part;
step four: fixing the scaffold embedded connecting piece on the longitudinal stress rib of each corner post by using a phi 10 steel bar, selecting the height according to the step pitch of the horizontal cross bars of the building layer (not less than 3 steps), and enabling a connecting port to face outwards;
step five: adjusting the position and angle of the embedded part, welding according to the positioning height and position strictly, ensuring that the interface central line of the embedded part is horizontal, and enabling the plane formed by the connection of the interface central lines to be parallel to the ground;
step six: when the corner column template is erected, the positions of the connectors are left between the vertical ridges, holes are formed in the contact positions of the embedded parts and the template, and the size of the hole opening is slightly larger than the outer edge of the interface of the embedded part, so that the embedded part is conveniently connected with the fixing part;
step seven: the method comprises the following steps that before a column template of a corner column is erected, an anti-falling plastic plug is used for blocking an embedded part interface to prevent the interface from being blocked when concrete of the column is poured, and the anti-falling plastic plug ensures tight connection and firmness to prevent cement paste from leaking into the interface when the concrete is poured;
step eight: after the corner post concrete pouring is finished, the floor slab support frame body on the upper layer can be erected, the anti-falling plastic plugs on the corner post templates are removed before the horizontal cross bars are erected, the embedded joints are cleaned up, the fixing pieces are connected with the embedded joints by using screws, and the full-space support frame body is erected after the fixing pieces are connected with the scaffold steel pipes;
step nine: after the full frame support frames are erected and the floor reinforcing steel bars are bound, because the concrete of the corner posts has certain strength and is reliably connected with the whole frame body through the embedded parts, the overall support performance formed by the full frame support body is stronger than that of the pure full frame support frame body, the risk of instability of the frame body is effectively reduced during concrete pouring of an upper floor slab and a beam, and the full frame support frame is suitable for large-span floor pouring;
step ten: when concrete pouring on the construction layer is completed and the designed strength is reached to dismantle the frame body, the embedded parts and the connecting rods thereof can be reserved to be used as the boundary protection of the later floor until the outer wall is built during secondary structure construction.
2. The construction method of the multipurpose reinforced full-hall supporting frame according to claim 1, wherein: when the concrete is poured, firstly, the bottom of the concrete is filled with mortar with the same mixing ratio and the thickness of 5 cm-1 Ocm, column concrete is vibrated in a layered mode, when an inserted vibrator is used, the thickness of each layer is larger than 50cm, a vibrating rod cannot stir reinforcing steel bars and embedded parts, the embedded parts are prevented from deviating, the column height is within 3m, the column top is directly poured, when the column height exceeds 3m, measures (a barrel is strung) are taken or holes are formed in the side face of a template, inclined chutes are installed, and the column concrete is poured in a segmented mode, and the column concrete is poured at one time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937853.3A CN112012494A (en) | 2020-09-09 | 2020-09-09 | Construction method of multipurpose reinforced full-hall support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937853.3A CN112012494A (en) | 2020-09-09 | 2020-09-09 | Construction method of multipurpose reinforced full-hall support frame |
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| Publication Number | Publication Date |
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| CN112012494A true CN112012494A (en) | 2020-12-01 |
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| CN202010937853.3A Pending CN112012494A (en) | 2020-09-09 | 2020-09-09 | Construction method of multipurpose reinforced full-hall support frame |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255840A (en) * | 2013-04-28 | 2013-08-21 | 江苏省华建建设股份有限公司 | Combined built-in fitting for concrete walls and column tie bars and installation construction method thereof |
| CN205063318U (en) * | 2015-10-26 | 2016-03-02 | 南京工业职业技术学院 | Device for connecting scaffold and concrete wall |
| CN205063317U (en) * | 2015-10-26 | 2016-03-02 | 江苏建筑职业技术学院 | Device for connecting scaffold and concrete column |
| CN205935619U (en) * | 2016-04-07 | 2017-02-08 | 中国建筑一局(集团)有限公司 | Design formula outrigger is wall spare even |
| CN207847053U (en) * | 2017-10-30 | 2018-09-11 | 上海宝冶集团有限公司 | Built-in fitting and scaffold connecting structure |
-
2020
- 2020-09-09 CN CN202010937853.3A patent/CN112012494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255840A (en) * | 2013-04-28 | 2013-08-21 | 江苏省华建建设股份有限公司 | Combined built-in fitting for concrete walls and column tie bars and installation construction method thereof |
| CN205063318U (en) * | 2015-10-26 | 2016-03-02 | 南京工业职业技术学院 | Device for connecting scaffold and concrete wall |
| CN205063317U (en) * | 2015-10-26 | 2016-03-02 | 江苏建筑职业技术学院 | Device for connecting scaffold and concrete column |
| CN205935619U (en) * | 2016-04-07 | 2017-02-08 | 中国建筑一局(集团)有限公司 | Design formula outrigger is wall spare even |
| CN207847053U (en) * | 2017-10-30 | 2018-09-11 | 上海宝冶集团有限公司 | Built-in fitting and scaffold connecting structure |
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Application publication date: 20201201 |