CN113898179A - Construction method of whole plate single-side-edge lock hole formwork supporting system of shear wall structure - Google Patents
Construction method of whole plate single-side-edge lock hole formwork supporting system of shear wall structure Download PDFInfo
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- CN113898179A CN113898179A CN202111353795.0A CN202111353795A CN113898179A CN 113898179 A CN113898179 A CN 113898179A CN 202111353795 A CN202111353795 A CN 202111353795A CN 113898179 A CN113898179 A CN 113898179A
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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
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a construction method of a whole plate single-side lock hole formwork support system of a shear wall structure, which comprises the steps of template processing, template single-side lock hole installation and reinforcement, concrete pouring, template dismantling, material reutilization, screw hole repair and the like. The invention can furthest keep the integrity of the template and has high construction efficiency.
Description
Technical Field
The invention relates to a construction method of a whole plate unilateral keyhole formwork system of a shear wall structure.
Background
In the construction scheme of the traditional shear wall structure whole-plate formwork system, screw intervals are uniformly distributed in the formwork, drilling holes on the surface of the formwork are damaged, the formwork is inconvenient to install and remove, and the construction efficiency is low.
Disclosure of Invention
The invention aims to provide a construction method of a shear wall structure whole plate single-side lock hole formwork support system, which can furthest retain the integrity of a formwork and has high construction efficiency.
The technical solution of the invention is as follows:
a construction method of a shear wall structure whole plate unilateral keyhole formwork system is characterized in that: comprises the following steps:
template processing
(1) Counting the template demand according to the size of the wallboard;
(2) performing centralized processing and classified stacking according to a drawing of a die matching scheme;
(3) processing and manufacturing of the whole template: stacking a plurality of templates orderly, clamping the templates by using a clamp, marking the side edges of the templates according to the designed space of the screw rods, marking a grooving line by using an ink fountain tool, and sawing the groove opening by using a hand; forming a screw hole in the form of a concave notch at the edge of the template; the specification of the concave notch is 15mm multiplied by 15 mm;
(II) installing and reinforcing template single-side lockhole
(1) Formwork and screw installation
After the steel bars are qualified, the template installation is started, the splicing seams are temporarily fixed by using the gas row nails, and the slot sides of the templates are placed downwards; the screw rods are arranged in an inserting way after each layer of template is installed; the screw rod uses a three-section type fixed screw rod;
(2) vertical back arris: the vertical back ridges are made of 50 x 100 square wood with the interval of 87 mm;
(3) transverse back edge: the transverse back edges are made of phi 48 x 3.0 steel pipes, and one steel pipe is respectively arranged above and below the sawtooth grooves; at the internal corner and the external corner where the longitudinal wall body and the transverse wall body are connected, the back-edge steel pipes at the same sawtooth groove position respectively extend out of one steel pipe in the longitudinal direction and the transverse direction to be vertically lapped at the internal corner or the external corner, and are locked and reinforced by a cross fastener;
(III) concrete pouring
Before concrete is poured, cement mortar with the thickness of 5-10 cm and the same as the components of the wall concrete is uniformly poured at the bottom; concrete pouring and vibrating layering are carried out on the wall body, and the height of each layer is controlled to be 50 cm; continuously pouring the wall, reinforcing vibration at the joint, sending a special person to knock a template at the lower part of the wall, and cleaning the ground ash at any time in the pouring process;
(IV) form removal
(1) When the template is disassembled, a hammer or a crowbar cannot be used for hard tamping so as to prevent the template and the structure from being damaged, and the disassembled template cannot be thrown; removing the mold and cleaning the iron nails and mortar on the board surface in time;
(2) the templates need to be managed intensively in the using process and are stacked according to specification in a classified manner;
(V) Secondary utilization of Material
The wall template can be used for an upper structure after cutting the side of a 15mm open groove;
(VI) repairing screw hole
The screw holes on the wall surface are regularly arranged and are convenient to block.
The three-section type fixing screw comprises a middle section provided with a water stop check ring, two ends of the middle section are provided with conical sealing check rings, and the left and right side sections are connected with the middle section through the conical sealing check rings; the outer side of the conical sealing retainer ring is blocked at the inner side of the template; the left and right gable cards fix the left and right side forms through nuts on respective outer sides.
The invention has the advantages that:
(1) in the construction of the concrete wallboard structure, the long side position of one side of the template is provided with a corresponding concave notch according to the design space modulus of the screw rod, and the screw rod is used for penetrating and fixing, so that the integrity of the template can be kept to the maximum extent;
(2) the screw holes are positioned at the edges of the templates, the concave notch enables the templates to be conveniently and efficiently installed and removed, the whole template plate is not provided with the screw holes, all the screw holes are positioned at the joints of the templates, the appearance of the concrete surface is greatly improved, and the screw holes are easy to repair at the later stage;
(3) the three-section fixing screw is used in a matched manner, and the template is not damaged in the template removing process; the template is reused only by cutting off the long concave notch, the specification of the whole template is neat, and the utilization rate is high.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic view of the state of the three-section screw of the present invention.
Detailed Description
A construction method of a shear wall structure whole plate single-side lock hole formwork support system comprises the following steps:
template processing
(1) Counting the template demand according to the size of the wallboard; deeply designing the template before construction, checking and determining the screw spacing, wherein the screw spacing is generally 200-300, and forming a template matching scheme drawing;
(2) performing centralized processing and classified stacking according to a drawing of a die matching scheme;
(3) processing and manufacturing of the whole template: stacking a plurality of templates orderly, clamping the templates by using a clamp, marking the side edges of the templates according to the designed space of the screw rods, marking a grooving line by using an ink fountain tool, and sawing the groove opening by using a hand; forming a screw hole in the form of a concave notch at the edge of the template; the specification of the concave notch is 15mm multiplied by 15 mm;
(II) installing and reinforcing template single-side lockhole
(1) Formwork and screw installation
After the steel bars are qualified, the template installation is started, the splicing seams are temporarily fixed by using the gas row nails, and the slot sides of the templates are placed downwards; the screw rods are arranged in an inserting way after each layer of template is installed; the screw rod uses a three-section type fixed screw rod;
(2) vertical back arris: the vertical back ridges are made of 50 x 100 square wood with the interval of 87 mm;
(3) transverse back edge: the transverse back edges are made of phi 48 x 3.0 steel pipes, and one steel pipe is respectively arranged above and below the sawtooth grooves; at the internal corner and the external corner where the longitudinal wall body and the transverse wall body are connected, the back-edge steel pipes at the same sawtooth groove position respectively extend out of one steel pipe in the longitudinal direction and the transverse direction to be vertically lapped at the internal corner or the external corner, and are locked and reinforced by a cross fastener;
(III) concrete pouring
Before concrete is poured, cement mortar with the thickness of 5-10 cm and the same as the components of the wall concrete is uniformly poured at the bottom; concrete pouring and vibrating layering are carried out on the wall body, and the height of each layer is controlled to be 50 cm; continuously pouring the wall, reinforcing vibration at the joint, sending a special person to knock a template at the lower part of the wall, and cleaning the ground ash at any time in the pouring process;
(IV) form removal
(1) When the template is disassembled, a hammer or a crowbar cannot be used for hard tamping so as to prevent the template and the structure from being damaged, and the disassembled template cannot be thrown; removing the mold and cleaning the iron nails and mortar on the board surface in time;
(2) the templates need to be managed intensively in the using process and are stacked according to specification in a classified manner;
(V) Secondary utilization of Material
The wall template can be used for an upper structure after cutting the side of a 15mm open groove;
(VI) repairing screw hole
The screw holes on the wall surface are regularly arranged and are convenient to block.
The three-section type fixing screw comprises a middle section 1 provided with a water stop check ring, two ends of the middle section are provided with conical sealing check rings 2, and the left and right side sections 3 and 4 are connected with the middle section through the conical sealing check rings; the outer side of the conical sealing retainer ring is blocked at the inner side of the template; the left and right mountain-shaped clamps 5 fix the left and right side templates through nuts 6 on the respective outer sides.
The template is reused only by cutting off the long-edge concave notch by 15mm, the specification of the whole template is neat, and the utilization rate reaches 98.36%.
Quality assurance measures
(1) The construction drawing is carefully studied and read, the requirements of the construction drawing are thoroughly eaten and comprehended, and the construction and the acceptance are strictly constructed and accepted according to the acceptance specification of the construction quality of the concrete structure engineering GB 50204 issued by the state and other relevant regulations.
(2) And strictly implementing team self-checking, mutual checking, handover checking and quality checking 'four-checking' system in the project, and ensuring the installation quality of the template.
(3) And the deformed and damaged templates and accessories are repaired and corrected in time according to the standard requirements, and the templates and accessories with unqualified quality cannot be used.
(4) And in order to prevent the root rot of the mold bottom, cement mortar is applied to level and the sponge is added after setting.
(5) The installation of the template strictly controls the accuracy of the axis, the plane position, the elevation, the section size, the verticality and the flatness, the width and the height of a template joint gap, the brushing of a release agent, the section size of a reserved opening, a door opening and the like. And the precision of the expected splicing plate is strictly controlled.
(6) And all the internal corners and the external corners of the vertical structures need to be additionally provided with rubber sponge strips in the joints, and the joints need to be firm.
(7) And the female and male corner molds must be reinforced strictly according to a template design drawing.
(8) The concrete pouring process is characterized in that a specially-assigned person 2-3 templates are required to be sent, the displacement and the stability of the template are strictly controlled, and the template is adjusted in time once the displacement is generated, so that the supporting is reinforced.
Analysis of economic benefits
The construction process of the wallboard structure single-side lockhole reinforcing formwork system saves the usage amount of the formwork, the basement wall formwork can be used for an upper structure after a 15mm slotting side is cut off, and the turnover times of the formwork are increased; meanwhile, the construction period is shortened, and the economic benefit is obvious.
Claims (2)
1. A construction method of a shear wall structure whole plate unilateral keyhole formwork system is characterized in that: comprises the following steps:
template processing
(1) Counting the template demand according to the size of the wallboard;
(2) performing centralized processing and classified stacking according to a drawing of a die matching scheme;
(3) processing and manufacturing of the whole template: stacking a plurality of templates orderly, clamping the templates by using a clamp, marking the side edges of the templates according to the designed space of the screw rods, marking a grooving line by using an ink fountain tool, and sawing the groove opening by using a hand; forming a screw hole in the form of a concave notch at the edge of the template; the specification of the concave notch is 15mm multiplied by 15 mm;
(II) installing and reinforcing template single-side lockhole
(1) Formwork and screw installation
After the steel bars are qualified, the template installation is started, the splicing seams are temporarily fixed by using the gas row nails, and the slot sides of the templates are placed downwards; the screw rods are arranged in an inserting way after each layer of template is installed; the screw rod uses a three-section type fixed screw rod;
(2) vertical back arris: the vertical back ridges are made of 50 x 100 square wood with the interval of 87 mm;
(3) transverse back edge: the transverse back edges are made of phi 48 x 3.0 steel pipes, and one steel pipe is respectively arranged above and below the sawtooth grooves; at the internal corner and the external corner where the longitudinal wall body and the transverse wall body are connected, the back-edge steel pipes at the same sawtooth groove position respectively extend out of one steel pipe in the longitudinal direction and the transverse direction to be vertically lapped at the internal corner or the external corner, and are locked and reinforced by a cross fastener;
(III) concrete pouring
Before concrete is poured, cement mortar with the thickness of 5-10 cm and the same as the components of the wall concrete is uniformly poured at the bottom; concrete pouring and vibrating layering are carried out on the wall body, and the height of each layer is controlled to be 50 cm; continuously pouring the wall, reinforcing vibration at the joint, sending a special person to knock a template at the lower part of the wall, and cleaning the ground ash at any time in the pouring process;
(IV) form removal
(1) When the template is disassembled, a hammer or a crowbar cannot be used for hard tamping so as to prevent the template and the structure from being damaged, and the disassembled template cannot be thrown; removing the mold and cleaning the iron nails and mortar on the board surface in time;
(2) the templates need to be managed intensively in the using process and are stacked according to specification in a classified manner;
(V) Secondary utilization of Material
The wall template can be used for an upper structure after cutting the side of a 15mm open groove;
(VI) repairing screw hole
The screw holes on the wall surface are regularly arranged and are convenient to block.
2. The construction method of the whole-plate single-side-lock-hole formwork supporting system of the shear wall structure according to claim 1, characterized by comprising the following steps of: the three-section type fixing screw comprises a middle section provided with a water stop check ring, two ends of the middle section are provided with conical sealing check rings, and the left and right side sections are connected with the middle section through the conical sealing check rings; the outer side of the conical sealing retainer ring is blocked at the inner side of the template; the left and right gable cards fix the left and right side forms through nuts on respective outer sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353795.0A CN113898179A (en) | 2021-11-16 | 2021-11-16 | Construction method of whole plate single-side-edge lock hole formwork supporting system of shear wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353795.0A CN113898179A (en) | 2021-11-16 | 2021-11-16 | Construction method of whole plate single-side-edge lock hole formwork supporting system of shear wall structure |
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| Publication Number | Publication Date |
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| CN113898179A true CN113898179A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111353795.0A Pending CN113898179A (en) | 2021-11-16 | 2021-11-16 | Construction method of whole plate single-side-edge lock hole formwork supporting system of shear wall structure |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1429524A (en) * | 1973-03-09 | 1976-03-24 | Speed Form Mfg Uk | Concrete forms |
| CN101956458A (en) * | 2010-11-05 | 2011-01-26 | 中国建筑第八工程局有限公司 | Construction method of overlong and superhigh single-side fair-faced concrete wall |
| CN102704684A (en) * | 2012-06-21 | 2012-10-03 | 福建省泷澄建设集团有限公司 | Construction method for high-strength shaping combined template of plank frame of shear wall |
| CN106223601A (en) * | 2016-07-08 | 2016-12-14 | 中天建设集团有限公司 | In a kind of cast-in-place concrete structure, the construction method of the construction method of breakage exempted from by wood formwork plate |
| CN106639319A (en) * | 2017-01-16 | 2017-05-10 | 中冶建工集团有限公司 | Rotten root prevention construction method for shear walls, columns and other concrete vertical structures |
| CN107023162A (en) * | 2017-04-17 | 2017-08-08 | 中建四局第五建筑工程有限公司 | Shear wall formwork exempts from drilling construction method and its structure |
| CN110388054A (en) * | 2018-04-17 | 2019-10-29 | 江苏南通二建集团有限公司 | One kind exempting from aperture building engineering structure template system and construction technology |
| CN111622494A (en) * | 2020-05-12 | 2020-09-04 | 江苏兴宇建设集团有限公司 | Hole-leaving-free construction method for shear wall light steel keel template |
| CN113152742A (en) * | 2021-04-29 | 2021-07-23 | 赵红玲 | Semi-prefabricated non-demolition waterproof superimposed shear wall structure |
-
2021
- 2021-11-16 CN CN202111353795.0A patent/CN113898179A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1429524A (en) * | 1973-03-09 | 1976-03-24 | Speed Form Mfg Uk | Concrete forms |
| CN101956458A (en) * | 2010-11-05 | 2011-01-26 | 中国建筑第八工程局有限公司 | Construction method of overlong and superhigh single-side fair-faced concrete wall |
| CN102704684A (en) * | 2012-06-21 | 2012-10-03 | 福建省泷澄建设集团有限公司 | Construction method for high-strength shaping combined template of plank frame of shear wall |
| CN106223601A (en) * | 2016-07-08 | 2016-12-14 | 中天建设集团有限公司 | In a kind of cast-in-place concrete structure, the construction method of the construction method of breakage exempted from by wood formwork plate |
| CN106639319A (en) * | 2017-01-16 | 2017-05-10 | 中冶建工集团有限公司 | Rotten root prevention construction method for shear walls, columns and other concrete vertical structures |
| CN107023162A (en) * | 2017-04-17 | 2017-08-08 | 中建四局第五建筑工程有限公司 | Shear wall formwork exempts from drilling construction method and its structure |
| CN110388054A (en) * | 2018-04-17 | 2019-10-29 | 江苏南通二建集团有限公司 | One kind exempting from aperture building engineering structure template system and construction technology |
| CN111622494A (en) * | 2020-05-12 | 2020-09-04 | 江苏兴宇建设集团有限公司 | Hole-leaving-free construction method for shear wall light steel keel template |
| CN113152742A (en) * | 2021-04-29 | 2021-07-23 | 赵红玲 | Semi-prefabricated non-demolition waterproof superimposed shear wall structure |
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Application publication date: 20220107 |