CN110439288B - Cast-in-place concrete floor thickness elevation control method - Google Patents
Cast-in-place concrete floor thickness elevation control method Download PDFInfo
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- CN110439288B CN110439288B CN201910818302.2A CN201910818302A CN110439288B CN 110439288 B CN110439288 B CN 110439288B CN 201910818302 A CN201910818302 A CN 201910818302A CN 110439288 B CN110439288 B CN 110439288B
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- upper plate
- elevation control
- plate
- lower plate
- thickness
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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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/10—Devices for levelling, e.g. templates or boards
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a cast-in-place concrete floor thickness elevation control method which comprises the step of controlling the thickness of a concrete floor by means of elevation control embedded parts. Therefore, a plurality of elevation control embedded parts are arranged on the floor template before concrete is cast in place, the distance between the upper plate and the lower plate of each embedded part is controlled by controlling the elevation, so that the height of each embedded part is equal to the thickness elevation of the concrete plate, the embedded parts do not exceed the upper plate when the concrete is poured, the thickness of the poured concrete is controlled by taking the height of the embedded parts as a reference, and the problem of inaccurate elevation control can be effectively solved and the increase of the repair workload in the later period is avoided due to the fact that a plurality of embedded parts are uniformly arranged in a room.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a cast-in-place concrete slab thickness elevation control method.
Background
Whether the elevation of the live surface of the concrete floor meets the design specification requirement or not is mainly determined by the elevation positioning on the site reinforcing steel bars, and when concrete is poured, workers mainly control the elevation by experience, but the flatness of the live surface of the floor and the thickness of the floor in the construction process have errors due to the restriction of site actual operation, the difference of the thickness of the floor in each room and the difference of the elevation of the live surface, so that the defects of inaccurate elevation control and increased repair workload of construction units in the later period exist.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a cast-in-place concrete slab thickness elevation control method, which effectively solves the problems that elevation control is inaccurate, and repair work is increased at the later stage.
In order to solve the technical problems, the invention adopts the following technical scheme:
a cast-in-place concrete floor thickness elevation control method is characterized by comprising the following steps: the method comprises the step of controlling the thickness of the concrete floor by means of elevation control embedded parts, wherein before concrete is cast in a room in situ, a plurality of elevation control embedded parts are uniformly distributed on a floor template according to the size of the room, so that a lower plate of the elevation control embedded parts is fixed with the floor template, an upper plate of the elevation control embedded parts is fixed with upper plate steel bars, and the distance from the upper plate to the lower plate is the thickness elevation of the concrete plate.
Therefore, before concrete is cast in place, a plurality of elevation control embedded parts are arranged on the floor formwork, the distance between the upper plate and the lower plate of each embedded part is controlled by controlling the elevation, so that the height of each embedded part is equal to the thickness elevation of the concrete plate, when the concrete is poured, the height of each embedded part is not more than that of the upper plate, the thickness of the poured concrete is controlled by taking the height as a reference, as a plurality of embedded parts are uniformly arranged in a room, according to the size of the room, when the size of a large compartment is more than or equal to 2000x2000, quincunx arrangement is adopted, when the size of the large compartment is less than 2000x2000, the number of embedded parts in the room is not less than 5, the problem of inaccurate elevation control can be effectively solved, and the increase of repair workload in the later period is avoided.
The embedded control part comprises an upper plate and a lower plate which are horizontally parallel, threaded holes are formed in the upper plate and the lower plate in a corresponding position, the upper plate and the lower plate are fixedly connected in a mode that a headless bolt is matched with the threaded holes, and the upper bottom and the lower bottom of the headless bolt do not exceed a bolt hole of the upper plate and a bolt hole of the lower plate respectively.
Therefore, the upper plate and the lower plate are connected through the headless bolt, the distance between the upper plate and the lower plate can be adjusted according to the actual elevation design requirement, and the overhead line structure is convenient and fast to use and high in applicability.
Preferably, the lower plate is provided with lower fixing holes for screws to penetrate through, and the lower plate penetrates through the lower fixing holes through the screws to be fixed with the floor formwork.
Therefore, the lower plate and the floor template are fixed through the screws conveniently and quickly and firmly.
Preferably, the upper plate is provided with an upper fixing hole for a binding wire to pass through, and the lower plate passes through the upper fixing hole through the binding wire and is fixed with the upper plate steel bar.
Therefore, the upper plate and the upper plate steel bar are fixed through the binding wires conveniently and quickly and firmly.
Preferably, the upper plate and the lower plate are both made of steel sheets with the length and the width of 50mm respectively, and the thickness of the steel sheets is 3 mm.
Drawings
Fig. 1 is a schematic structural diagram of an elevation control embedded part in an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: referring to fig. 1, the method for controlling the thickness elevation of the cast-in-place concrete floor comprises the step of controlling the thickness of the concrete floor by means of elevation control embedded parts 1, wherein before concrete is cast in a room in a cast-in-place mode, a plurality of elevation control embedded parts 1 are uniformly distributed on a floor formwork according to the size of the room, so that a lower plate 2 of each elevation control embedded part is fixed with the floor formwork, an upper plate 3 of each elevation control embedded part is fixed with an upper plate steel bar, and the distance between the upper plate 3 and the lower plate 2 is the thickness elevation of the concrete floor.
Therefore, before concrete is cast in place, a plurality of elevation control embedded parts are arranged on the floor formwork, the distance between the upper plate and the lower plate of each embedded part is controlled by controlling the elevation, so that the height of each embedded part is equal to the thickness elevation of the concrete plate, when the concrete is poured, the height of each embedded part is not more than that of the upper plate, the thickness of the poured concrete is controlled by taking the height as a reference, as a plurality of embedded parts are uniformly arranged in a room, according to the size of the room, when the size of a large compartment is more than or equal to 2000x2000, quincunx arrangement is adopted, when the size of the large compartment is less than 2000x2000, the number of embedded parts in the room is not less than 5, the problem of inaccurate elevation control can be effectively solved, and the increase of repair workload in the later period is avoided.
As optimization, the method is realized by adopting the following elevation control embedded part, wherein the elevation control embedded part 1 comprises an upper plate 3 and a lower plate 2 which are horizontally parallel, threaded holes 4 are formed in the upper plate and the lower plate in a corresponding position, the upper plate and the lower plate are fixedly connected in a mode that a headless bolt 5 is matched with the threaded hole, and the upper bottom and the lower bottom of the headless bolt do not exceed a bolt hole of the upper plate and a bolt hole of the lower plate respectively.
Therefore, the upper plate and the lower plate are connected through the headless bolt, the diameter of the headless bolt is 5mm, the tooth pitch is 0.5mm, the length of the bolt is determined according to the actual situation on site, the distance between the upper plate and the lower plate can be adjusted according to the actual elevation design requirement, the operation is convenient and fast, and the applicability is strong.
Preferably, the lower plate is provided with lower fixing holes 6 for screws to pass through, and the lower plate is fixed with the floor formwork through the lower fixing holes by the screws.
Therefore, the lower plate and the floor template are fixed through the screws conveniently and quickly and firmly.
Preferably, the upper plate is provided with an upper fixing hole 7 for a binding wire to pass through, and the lower plate passes through the upper fixing hole through the binding wire and is fixed with the upper plate steel bar.
Therefore, the upper plate and the upper plate steel bar are fixed through the binding wires conveniently and quickly and firmly.
Preferably, the upper plate and the lower plate are both made of steel sheets with the length and the width of 50mm respectively, and the thickness of the steel sheets is 3 mm.
Claims (2)
1. A cast-in-place concrete floor thickness elevation control method is characterized by comprising the following steps: the method comprises the steps of controlling the thickness of the concrete floor by means of elevation control embedded parts, wherein before concrete is cast in a room in situ, a plurality of elevation control embedded parts are uniformly distributed on a floor template according to the size of the room, so that a lower plate of each elevation control embedded part is fixed with the floor template, an upper plate of each elevation control embedded part is fixed with an upper plate steel bar, and the distance between each upper plate and each lower plate is the thickness elevation of the concrete plate;
the method is realized by adopting the following elevation control embedded part, wherein the elevation control embedded part comprises an upper plate and a lower plate which are horizontally parallel, threaded holes are correspondingly formed in the upper plate and the lower plate, the upper plate and the lower plate are fixedly connected in a way that a headless bolt is matched with the threaded holes, and the upper bottom and the lower bottom of the headless bolt do not exceed a bolt hole of the upper plate and a bolt hole of the lower plate respectively;
the lower plate is provided with lower fixing holes for screws to pass through, and the lower plate passes through the lower fixing holes through the screws and is fixed with the floor formwork;
the upper plate is provided with an upper fixing hole for the binding wire to pass through, and the upper plate passes through the upper fixing hole through the binding wire and is fixed with the upper plate steel bar.
2. The cast-in-place concrete slab thickness elevation control method according to claim 1, characterized in that: the upper plate and the lower plate are both made of steel sheets with the length and the width of 50mm respectively, and the thickness of the steel sheets is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818302.2A CN110439288B (en) | 2019-08-30 | 2019-08-30 | Cast-in-place concrete floor thickness elevation control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818302.2A CN110439288B (en) | 2019-08-30 | 2019-08-30 | Cast-in-place concrete floor thickness elevation control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110439288A CN110439288A (en) | 2019-11-12 |
| CN110439288B true CN110439288B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910818302.2A Active CN110439288B (en) | 2019-08-30 | 2019-08-30 | Cast-in-place concrete floor thickness elevation control method |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100894808B1 (en) * | 2008-12-05 | 2009-04-24 | 동아에스텍 주식회사 | Connector of truss girder |
| JP2011026820A (en) * | 2009-07-24 | 2011-02-10 | Fujisho Giken:Kk | Floor structure material and reinforcement erection implement |
| CN102277967A (en) * | 2011-05-30 | 2011-12-14 | 北京市朝阳城市建设综合开发公司 | Construction method for eliminating leveling layer by adopting primary floor concrete grout for leveling |
| CN105442735A (en) * | 2015-11-06 | 2016-03-30 | 广西华业建筑工程有限公司 | Construction method of long steel bar stool cast-in-situ floor |
| CN207160595U (en) * | 2017-06-26 | 2018-03-30 | 李英章 | One kind is detachably used in turn floor concrete slab elevation control device |
| CN207420057U (en) * | 2017-09-27 | 2018-05-29 | 中建八局第二建设有限公司 | One kind can have enough to meet the need floor board thickness control apparatus |
| CN207499463U (en) * | 2017-10-30 | 2018-06-15 | 中建七局建筑装饰工程有限公司 | A kind of cast-in-place concrete floor elevation control device |
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| CN110439288A (en) | 2019-11-12 |
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