CN110424601B - Concrete pouring anti-floating device for composite floor slab with fabricated structure and implementation method - Google Patents

Concrete pouring anti-floating device for composite floor slab with fabricated structure and implementation method Download PDF

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CN110424601B
CN110424601B CN201910687851.0A CN201910687851A CN110424601B CN 110424601 B CN110424601 B CN 110424601B CN 201910687851 A CN201910687851 A CN 201910687851A CN 110424601 B CN110424601 B CN 110424601B
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fixed
bit cell
fixed plate
adjusting
pole
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CN110424601A (en
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王波
陈健
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ

Abstract

The invention discloses an assembly type structure composite floor concrete pouring anti-floating device and an implementation method, and belongs to the technical field of building floor construction. Including last bit cell and with last bit cell complex lower bit cell, last bit cell includes fixed skeleton, connecting rod and connector, connecting rod fixed connection on fixed skeleton, connector accordant connection is in the one end that fixed skeleton was kept away from to the connecting rod, and lower bit cell includes the fixed plate, adjusts pole and backup pad, and the fixed plate sets up with fixed skeleton relatively, and the one end of adjusting the pole runs through fixed plate and connector accordant connection, adjusts the other end and the backup pad accordant connection of pole. Adjusting nut through adjusting the pole adjusts the distance, presss from both sides tight fixed plate and fastening, is connected for effective whole with last limit unit, and reinforcing template system bulk rigidity effectively prevents quality problems such as off normal, come-up, hourglass thick liquid when coincide floor concrete placement, adjusts pole, backup pad and can dismantle, used repeatedly, convenient and fast, saving cost.

Description

Concrete pouring anti-floating device for composite floor slab with fabricated structure and implementation method
Technical Field
The invention belongs to the technical field of building floor slab construction, and particularly relates to an assembly type structure composite floor slab concrete pouring anti-floating device and an implementation method.
Background
The assembly type structure, namely the component, is industrially produced in a factory and is directly assembled when being transported to a site. The components are produced in a standardized manner in a factory, so that the quality is standardized, the on-site dust fall and noise reduction are facilitated, the generation of solid wastes is reduced, the on-site personnel allocation is reduced, the turnover material allocation is reduced, and the on-site green construction is realized. The outer wall prefabricated part is from taking the heat preservation, and traditional outer scaffold frame is not needed in the construction of main building, compares more convenient, swift with the cast-in-place structure of traditional structure, practices thrift total construction period.
In order to meet the integral structure requirement of the assembled composite floor slabs, 300mm wide concrete cast-in-place slabs can be reserved between the composite floor slabs, after the composite slabs are installed, templates of post-cast slabs are sealed by templates, reinforced by square wood back ridges, and bottom supporting frames are arranged. Because the laminated slab is light in weight, the laminated slab can be directly placed on a lower wall or a support during installation. During concrete pouring, construction load and vibration generated by a vibrating rod are large, and the quality defects of displacement and upward floating of a laminated slab, slurry leakage of a template, unevenness of a concrete forming slab bottom and the like are easily caused only by a lower template and a support, so that the plastering-free quality requirement of an assembled structure cannot be met.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the concrete pouring anti-floating device for the composite floor slab with the fabricated structure and the implementation method thereof, which can effectively ensure the good stability of the composite floor slab, ensure the construction quality of concrete, avoid the occurrence of the condition that slurry leakage or a formed uneven surface structure needs to be re-constructed in the later period, have simple and economic manufacture, simple installation and high reliability, and can be widely applied to the reinforcement of cast-in-place slab strips and templates of the composite floor slab with the fabricated structure.
In order to achieve the purpose, the invention adopts the following scheme:
the utility model provides an assembled structure coincide floor concrete placement anti-floating device, include last bit cell and with last bit cell complex lower bit cell, last bit cell includes fixed skeleton, connecting rod and connector, connecting rod fixed connection is on fixed skeleton, the one end of fixed skeleton is kept away from at the connecting rod to connector accordant connection, lower bit cell includes the fixed plate, adjusts pole and backup pad, the fixed plate sets up with fixed skeleton relatively, the one end of adjusting the pole runs through fixed plate and connector accordant connection, the other end and the backup pad accordant connection of adjusting the pole.
Further, fixed skeleton includes horizontal muscle and indulges the muscle, horizontal muscle is connected with the connecting rod, the length of horizontal muscle is 200 ~ 300mm more than coincide floor interval, every 200 ~ 300mm interval distribution of horizontal muscle and starting interval are 20 ~ 40mm, it is 350 ~ 450mm to indulge two and interval of muscle parallel arrangement, indulge muscle and horizontal muscle fixed connection.
Furthermore, the connector is a round platform-shaped structure, one end face of the connector, which is connected with the adjusting rod, is larger than one end face of the connector, which is connected with the connecting rod, the end face of the connector, which is connected with the adjusting rod, is provided with a rubber layer, and the rubber layer is attached to the fixing plate.
Furthermore, the width of the fixed plate is larger than the width of the fixed framework, which is less than or equal to the space between the laminated floor slabs.
Furthermore, the adjusting rod is a screw rod, and an adjusting nut is connected to the adjusting rod positioned at the bottom of the supporting plate.
The invention also discloses an implementation method of the concrete pouring anti-floating device for the composite floor slab with the fabricated structure, which comprises the following steps:
firstly, after the laminated floor slab is installed and the composite standard is checked, installing an upper limit unit at the top, firstly, arranging transverse ribs on a fixed framework (1) connected with a connecting rod (2) and a connector (3) on two longitudinal ribs with the interval of 350-450 mm according to the interval of 200-300 mm, and ensuring the starting interval of the transverse ribs to be maintained between 20-40 mm;
step two, the top end of the adjusting rod penetrates through the supporting plate and the fixing plate and is in threaded connection with the connecting body, and the bottom end of the adjusting rod is installed through double nuts and gaskets and is adjusted and reinforced until the connecting body is attached to the fixing plate;
thirdly, erecting a fixed plate supporting frame, positioning the supporting frame, additionally arranging a square wood back ridge, then arranging a fixed plate on the square wood back ridge, and adjusting the supporting frame until the fixed plate is attached to the laminated floor slab;
fourthly, installing the steel bars of the laminated floor slab, welding and fixing the steel bars with the transverse bars and the longitudinal bars of the fixed framework, and checking and accepting the steel bars;
step five, pouring concrete;
and step six, dismantling the fixed plate, the supporting plate and the adjusting rod to implement recycling.
Compared with the prior art, the invention can obtain the following technical effects:
the composite floor slab is provided with the upper limit unit and the lower limit unit, the upper limit unit and the lower limit unit are utilized to effectively clamp and fix the composite floor slab, and a series of complicated operation problems that the composite floor slab shifts under the action of construction load to form slurry leakage or an uneven surface structure needs to be constructed after forming and the like during concrete pouring are avoided. The concrete fixed and pre-buried in cast in situ concrete for fixed skeleton and coincide floor reinforcing bar, for the coincide floor provides an upper fixing surface, be fixed with the connecting rod on the fixed skeleton, on the connecting rod with adjust the connector of pole connection, through adjusting nut who adjusts the pole with the bottom surface of fixed plate and coincide floor and the laminating of the rubber layer of connector bottom surface, guarantee construction quality effectively, utilize the adjusting bolt who adjusts the pole to carry out the coincide floor about the fixed good anti function of floating of realization of direction. The length of horizontal muscle is greater than coincide floor interval 200 ~ 300mm, and horizontal muscle is every 200 ~ 300mm interval distribution and the starting interval is 20 ~ 40mm, and horizontal muscle length and interval set up the joint strength who guarantees effectively in the coincide floor clearance, and it is fixed to use with the spacing unit of lower part is synthesized to make the coincide floor. The composite floor slab cast-in-place slab template has the advantages that good ground stability of the composite floor slab can be effectively guaranteed, the construction quality of concrete is guaranteed, the condition that slurry leakage or a formed uneven surface structure needs to be subjected to post-construction is avoided, the composite floor slab cast-in-place slab template is simple, convenient and economical to manufacture, simple to install and high in reliability, and can be widely applied to reinforcement of cast-in-place slab strips of prefabricated structural composite floor.
Drawings
FIG. 1 is a diagram of the overall configuration of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention except for the fixing plate;
figure 3 is a top view of the integrated structure of the present invention installed in a gap of a laminated floor slab.
In the figure: 1. fixing the framework; 11. transverse ribs; 12. longitudinal ribs; 2. a connecting rod; 3. a linker; 4. a fixing plate; 5. adjusting a rod; 6. a support plate; 7. overlapping the floor slabs; 8. a support frame; 9. square wood back arris.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in fig. 1 to 3, an anti device that floats of assembled structure coincide floor concrete placement, including last bit cell and with last bit cell complex lower bit cell, last bit cell includes fixed skeleton 1, connecting rod 2 and connector 3, fixed skeleton 1 includes that the diameter is 14 mm's horizontal muscle 11 and indulges muscle 12, the length of horizontal muscle 11 is 200mm more than coincide floor 7 interval, every 300mm interval distribution of horizontal muscle 11 and starting interval are 20mm, it is 400mm to indulge two and interval of 12 parallel arrangement of muscle, it is connected with horizontal muscle 11 welded fastening or ligature to indulge muscle 12. Longitudinal bars 12 and transverse bars 11 are welded and fixed with the 7 steel bars of the laminated floor slab and embedded in cast-in-place concrete, so that the connection strength in the gap of the laminated floor slab is effectively guaranteed, and a template system is reinforced. The diameter is 12mm, length is the vertical welded fastening of connecting rod 2 that 55mm reinforcing bar made on horizontal muscle 11, and connector 3 threaded connection is in connecting rod 2 one end of keeping away from fixed skeleton 1. The connector 3 is the round platform shape structure, and the terminal surface that connector 3 and regulation pole 5 are connected is greater than the terminal surface that connector 3 and connecting rod 2 are connected, and the terminal surface that connector 3 and regulation pole 5 are connected is equipped with the rubber layer, and the rubber layer is laminated with fixed plate 4, can prevent the emergence of quality problems such as hourglass thick liquid, pitted skin.
Lower limit unit includes fixed plate 4, adjusts pole 5 and backup pad 6, and fixed plate 4 sets up with fixed skeleton 1 relatively, and the width that the width of fixed plate 4 is greater than 7 intervals of coincide floor and less than or equal to fixed skeleton 1 effectively supports for coincide floor 7 for 500mm and prevents the aversion problem to appear in the work progress. Adjust pole 5 and be the screw rod, adjust the one end of pole 5 and run through fixed plate 4 and connector 3 threaded connection, be connected with adjusting nut on the regulation pole 5 that is located backup pad 6 bottom, utilize adjusting nut to cause the laminating of the bottom surface rubber layer of fixed plate 4 and connector 3 to prevent quality problems such as pitted skin around connector 3, provide the bottom sprag face and then guarantee the stability of whole template for fixed plate 4 simultaneously.
Through adjusting the adjusting nut adjusting distance of pole 5, press from both sides tight fixed plate 4 and fasten, be connected for effective whole with last limit unit, reinforcing template system bulk rigidity effectively prevents quality problems such as off normal, come-up, hourglass thick liquid when 7 concrete placement of coincide floor. When the fixed plate 4 is detached, the adjusting rod 5, the supporting plate 6 and the fixed plate 4 can be detached for repeated use, so that the device is convenient and quick, and the cost is saved.
Example 2:
the implementation method of the invention in specific implementation comprises the following steps:
step one, after the laminated floor slab 7 is installed and the composite standard is checked, installing a top upper limit position limiting unit, firstly, arranging transverse ribs 11 on a fixed framework (1) connected with a connecting rod (2) and a connector (3) on two longitudinal ribs 12 with 400mm intervals according to 300mm intervals, and ensuring that the starting interval of the transverse ribs 11 is maintained at 20 mm;
step two, the top end of the adjusting rod 5 penetrates through the supporting plate 6 and the fixing plate 4 and is in threaded connection with the connecting body 3, and the bottom end of the adjusting rod 5 is installed by adopting double nuts and gaskets and is adjusted and reinforced until the connecting body 3 is attached to the fixing plate 4;
thirdly, erecting a supporting frame 8 of the fixed plate 4, positioning the supporting frame 8, additionally arranging a square wood back ridge 9, then installing the fixed plate 4 on the square wood back ridge 9, and adjusting the supporting frame 8 until the fixed plate 4 is attached to the laminated floor slab;
fourthly, installing the steel bars of the laminated floor slab 7, welding and fixing the steel bars with the transverse bars 11 and the longitudinal bars 12 of the fixed framework 1, and checking;
step five, pouring concrete;
and step six, the fixing plate 4, the supporting plate 6 and the adjusting rod 5 are removed for recycling.
Through adjusting the adjusting nut adjusting distance of pole 5, press from both sides tight fixed plate 4 and fasten, be connected for effective whole with last limit unit, reinforcing template system bulk rigidity effectively prevents quality problems such as off normal, come-up, hourglass thick liquid when coincide floor concrete placement. When the fixed plate 4 is detached, the lower adjusting rod 5 and the supporting plate 6 can be detached and used repeatedly, so that the device is convenient and quick, and saves cost.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides an assembled structure coincide floor concrete placement anti-floating device, its characterized in that, include last bit cell and with last bit cell complex lower bit cell, last bit cell includes fixed skeleton (1), connecting rod (2) and connector (3), connecting rod (2) fixed connection is on fixed skeleton (1), the one end of fixed skeleton (1) is kept away from in connecting rod (2) is connected in connector (3) mately, lower bit cell includes fixed plate (4), adjusts pole (5) and backup pad (6), fixed plate (4) set up with fixed skeleton (1) relatively, the one end of adjusting pole (5) runs through fixed plate (4) and connector (3) accordant connection, the other end and backup pad (6) accordant connection of adjusting pole (5).
2. The concrete pouring anti-floating device for the fabricated structural composite floor slab as claimed in claim 1, wherein the fixed framework (1) comprises transverse ribs (11) and longitudinal ribs (12), the transverse ribs (11) are connected with the connecting rods (2), the length of each transverse rib (11) is 200-300 mm larger than the distance between the corresponding composite floor slabs (7), the transverse ribs (11) are distributed at intervals of every 200-300 mm, the starting distance is 20-40 mm, the longitudinal ribs (12) are arranged in parallel, the distance between the two longitudinal ribs is 350-450 mm, and the longitudinal ribs (12) are fixedly connected with the transverse ribs (11).
3. An assembled structural composite floor concrete pouring anti-floating device according to claim 1, characterized in that the connecting body (3) is of a round table structure, one end face of the connecting body (3) connected with the adjusting rod (5) is larger than one end face of the connecting body (3) connected with the connecting rod (2), one end face of the connecting body (3) connected with the adjusting rod (5) is provided with a rubber layer, and the rubber layer is attached to the fixing plate (4).
4. The fabricated structural composite floor concrete pouring anti-floating device according to claim 1, characterized in that the width of the fixing plates (4) is greater than the spacing of the composite floors (7) and less than or equal to the width of the fixing frameworks (1).
5. The fabricated structural composite floor concrete pouring anti-floating device as claimed in claim 1, wherein the adjusting rod (5) is a screw rod, and an adjusting nut is connected to the adjusting rod (5) at the bottom of the supporting plate (6).
6. An implementation method of the fabricated structural composite floor concrete pouring anti-floating device according to any one of claims 1 to 5, characterized by comprising the following steps:
step one, after the composite floor slab (7) is installed and the composite standard is checked, installing a top upper limit position limiting unit, firstly, arranging transverse ribs (11) on a fixed framework (1) connected with a connecting rod (2) and a connecting body (3) on two longitudinal ribs (12) with the interval of 350-450 mm according to the interval of 200-300 mm, and ensuring that the starting interval of the transverse ribs (11) is maintained between 20-40 mm;
step two, the top end of the adjusting rod (5) penetrates through the supporting plate (6) and the fixing plate (4) and is in threaded connection with the connecting body (3), and the bottom end of the adjusting rod (5) is installed and adjusted and reinforced by adopting double nuts and gaskets until the connecting body (3) is attached to the fixing plate (4);
thirdly, erecting a support frame (8) of the fixed plate (4), positioning the support frame (8) and additionally arranging a square wood back ridge (9), then installing the fixed plate (4) on the square wood back ridge (9) and adjusting the support frame (8) until the fixed plate (4) is attached to the laminated floor slab (7);
fourthly, installing the steel bars of the laminated floor slab, welding and fixing the steel bars with the transverse bars (11) and the longitudinal bars (12) of the fixed framework (1), and checking;
step five, pouring concrete;
and step six, the fixing plate (4), the supporting plate (6) and the adjusting rod (5) are detached for implementation and reuse.
CN201910687851.0A 2019-07-29 2019-07-29 Concrete pouring anti-floating device for composite floor slab with fabricated structure and implementation method Active CN110424601B (en)

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CN111980399B (en) * 2020-07-09 2022-01-18 中国十七冶集团有限公司 Fabricated building laminated slab splicing seam anti-floating device based on aluminum die system and construction method
CN116446566B (en) * 2023-04-06 2024-01-23 中铁广州工程局集团有限公司 CL wall structure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3689376B2 (en) * 2002-02-25 2005-08-31 株式会社富士昭技研 Void holding device
JP2008063736A (en) * 2006-09-05 2008-03-21 Fastener Eng:Kk Concrete void slab
CN204139413U (en) * 2014-10-13 2015-02-04 徐焱 A kind of cast-in-place hollow slab of zonal cooling formula anti-floating
JP6473668B2 (en) * 2015-06-12 2019-02-20 フジモリ産業株式会社 Void holding member and void fixing device for concrete structure
CN205206317U (en) * 2015-10-28 2016-05-04 中国建筑第八工程局有限公司 Sheathed tube fixing device is reserved to floor
KR101784212B1 (en) * 2016-03-04 2017-10-11 허인재 Sleeve joint device for forming a vertical level Hole
CN206926045U (en) * 2017-07-03 2018-01-26 中国二十二冶集团有限公司 Superimposed sheet mould holder
CN208310216U (en) * 2018-04-20 2019-01-01 中建海峡建设发展有限公司 A kind of bamboo core box anti-floating positioning device for hollow floor
CN208251409U (en) * 2018-05-31 2018-12-18 杭州通达集团有限公司 A kind of laminated floor slab of assembled architecture
CN109577534B (en) * 2018-12-05 2020-07-03 杭州江润科技有限公司 Tool-based hanging die assembly type composite floor slab and construction method
CN109594711A (en) * 2018-12-11 2019-04-09 山东建筑大学 A kind of integrated precast component, sandwich hollow slab and preparation method

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Denomination of invention: An anti floating device and its implementation method for concrete pouring of prefabricated structural composite floor slab

Effective date of registration: 20210519

Granted publication date: 20201023

Pledgee: Industrial and Commercial Bank of China Limited MAANSHAN Tuanjie square sub branch

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