CN111173182A - Floor detachable assembled floor - Google Patents
Floor detachable assembled floor Download PDFInfo
- Publication number
- CN111173182A CN111173182A CN201911372358.6A CN201911372358A CN111173182A CN 111173182 A CN111173182 A CN 111173182A CN 201911372358 A CN201911372358 A CN 201911372358A CN 111173182 A CN111173182 A CN 111173182A
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- floor
- ribbed
- demountable
- formwork
- slab
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an assembly type floor with a detachable rib plate, which comprises a bottom template and the rib plate, wherein the bottom template is made of reinforced concrete, and the rib plate is detachably arranged below the bottom template through a connecting piece. Compared with the prior art, the invention has lighter weight, higher bearing capacity and rigidity and larger span on the basis of keeping the advantage of flatness of the bottom surface of the reinforced concrete composite floor slab.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an assembly type floor slab with detachable rib plates.
Background
In the prior art, the floor slab mainly adopts several forms of a reinforced concrete cast-in-place floor slab, a reinforced concrete composite floor slab, a steel bar truss floor support plate and a profiled steel sheet floor slab, and has the following defects:
the cast-in-place reinforced concrete floor belongs to the traditional floor, a large number of supporting templates are needed in a construction site, labor force is intensive, and production efficiency is low.
The reinforced concrete composite floor slab has heavy weight and large workload of transportation, hoisting and installation; the rigidity and bearing capacity of the floor slab are low in the construction stage, and the span of the floor slab is generally within 4 m; the cast-in-place layer is weakly connected with the prefabricated floor slab, the floor slab has poor integrity and seismic performance, and is only suitable for low-intensity areas and buildings at lower layers.
The steel bar truss floor plate and the profiled steel plate are suitable for steel structure buildings, the comprehensive cost is high, and the connection with concrete is difficult; the bottom surface of the floor slab is a profiled steel sheet, which is not beautiful and is not suitable for concrete structures such as houses; the bottom die is difficult to disassemble, the recycling rate is low, and the method is not economical and environment-friendly.
Disclosure of Invention
The invention aims at the problems and provides the assembled floor slab with the detachable rib plates, which has lighter weight, higher bearing capacity and rigidity and larger span compared with the prior art on the basis of keeping the advantage of flatness of the bottom surface of the reinforced concrete composite floor slab.
The technical scheme for solving the technical problem of the invention is as follows:
the floor plate comprises a bottom template which is made of reinforced concrete and further comprises a floor plate, and the floor plate is detachably arranged below the bottom template through a connecting piece.
Furthermore, the upper side surface of the bottom template is provided with a plurality of local bulges.
Furthermore, the ribbed slab is connected with the bottom template through a bolt connecting piece.
Furthermore, the bolt connecting piece penetrates through the local bulge, the bottom template and the rib plate from top to bottom.
Furthermore, the ribbed plates are arranged along the length direction of the bottom template.
Furthermore, the ribbed plates are distributed in a staggered mode and are arranged along the length direction and the width direction of the bottom template respectively.
Furthermore, rib plates below the adjacent bottom formworks are in butt joint through bolts, end plates are fixedly arranged at the end parts of the rib plates, and the end plates of the two rib plates are connected through the bolts.
Furthermore, the bottom formwork is internally paved with common steel bars or prestressed steel bars arranged along the length direction of the bottom formwork, and the bottom formwork is internally paved with common steel bars arranged along the width direction.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:
1. the rib plates are detachably arranged below the bottom template through the connecting pieces, the bottom template is prefabricated in a factory, the flatness is high, the rib plates can be directly applied to indoor space, and the post-treatment cost is low; the connecting piece can exert the pretightning force according to the calculation needs, this pretensioning pulling force closes detachable floor slab and reinforced concrete die block, floor slab and reinforced concrete die block board pass through the frictional force combined action that the pretightning force produced between the two in transportation and construction process, make its inseparable combination, can improve bearing capacity and rigidity in production, transportation, installation process with the help of the floor slab, avoid the concrete die block fracture, on the basis of keeping the smooth advantage in reinforced concrete composite floor slab bottom surface, have lighter weight, higher bearing capacity and rigidity compared with the prior art, the span can be bigger. The assembled floor structure with the detachable rib plates can realize factory production and large-scale production, and does not need to lay and remove templates in the construction stage, thereby effectively saving wood templates and supports and reducing the field operation amount; the construction is simple, convenient and quick, the construction industry is easy to master, and the construction period can be effectively shortened; the rib plate is convenient and flexible to disassemble, can be recycled and is green and environment-friendly.
2. According to the invention, the plurality of local bulges are arranged on the upper side surface of the bottom template, so that the local shear resistance of the bottom template is improved on one hand, and on the other hand, the bottom template is occluded with the cast-in-place concrete laminated layer, so that the binding force of the cast-in-place concrete laminated layer and the bottom template is higher, a pin bolt shear resistance effect is formed, and the integrity of the laminated floor slab is greatly enhanced.
3. The detachable rib plate has small contact area with the concrete bottom template, the contact force can be adjusted according to the pretightening force of the bolt, the contact surface can be free from coating of coatings such as release agent and the like, and the detachment is convenient; the detachable rib plate, the bolt and other materials have good strength and durability, and are not easy to damage in the detaching process; after the strength of the cast-in-place concrete superposed layer meets the requirement, the cast-in-place concrete superposed layer can be completely disassembled and recycled, the recycling frequency is high, and the comprehensive cost is low. Detachable floor and bolt are small, light in weight, dismantle and retrieve the transportation convenience, and simple manual work can realize.
4. In the construction process, the reinforced concrete bottom template and the rib plates jointly act to bear the load of the cast-in-place concrete superposed layer and the construction load, and the bottom template is used as the upper flange of the T-shaped section to bear the pressure action, which is equivalent to applying the prestress action to the bottom template; in a normal use state, the bottom template and the cast-in-place superposed pool bear vertical load together, and the bottom template bears tension in the span; due to the action of 'pre-pressure' in the construction stage, the final stress state of the bottom template is pressure or smaller tension, and the bottom template concrete can be prevented from cracking.
5. The floor sets up along the length direction of die block board, and the floor is on a parallel with die block board span atress direction, can strengthen the span atress degree of die block board, has solved because of the span is too big, and the die block board bearing capacity is not enough and leads to the problem of die block board fracture.
6. The ribbed slabs are distributed in a staggered mode and are arranged along the length direction and the width direction of the bottom formwork respectively, the bearing capacity of the bottom formwork is further enhanced through the ribbed slabs arranged in the two directions, the two-way stress of the bottom formwork is improved, the floor forms a two-way stress floor, and the floor has the advantages of being good in integrity and crack resistance.
7. According to the invention, the adjacent bottom-spanning formworks can be connected together to work together through the butt joint of the rib plate bolts below the adjacent bottom formworks, and the mutual supporting synergistic force is stronger.
8. According to the reinforced concrete bottom formwork, the common steel bars or the prestressed steel bars arranged along the length direction of the bottom formwork are paved inside the bottom formwork, and the common steel bars arranged along the width direction are paved inside the bottom formwork, so that under the condition of achieving the same strength, the thickness of the reinforced concrete bottom formwork is 20-30mm, the thickness of the reinforced concrete bottom formwork is 1/3-1/2 of the weight of a common concrete laminated slab with the thickness of 60mm, and the transportation and hoisting cost can be reduced by about 50%.
Drawings
FIG. 1 is a schematic cross-sectional view of a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a fifth embodiment of the present invention;
FIG. 3 is a bottom view of the condition of FIG. 1;
fig. 4 is a bottom view of the state of fig. 2;
FIG. 5 is a schematic sectional view showing a sixth embodiment;
FIG. 6 is a schematic structural view of an end plate of the sixth embodiment;
in the figure, a bottom template 1, a local bulge 11, a rib plate 2, a bolt connecting piece 21, a bolt 3 and an end plate 31.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention will be explained in detail by the following embodiments with reference to the attached drawings 1 to 6. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
As shown in fig. 1 and 3, a ribbed slab detachable fabricated floor according to a first embodiment of the present invention includes a bottom form 1, wherein the bottom form 1 is made of reinforced concrete, and further includes ribbed slabs 2, the ribbed slabs 2 are detachably disposed below the bottom form 1 through connectors, and the bottom form is composed of reinforced concrete slabs with a thickness of 20-30mm, wherein the concrete bottom form is used as a form of a cast-in-place concrete layer, and has a width of 500-6000mm and a span of 2000-6000 mm; the span direction of the concrete bottom template can adopt common steel bars or prestressed steel bars, and the width direction adopts common steel bars. The ribbed slab is detachably arranged below the bottom template 1 through the connecting piece, the connecting piece can apply pretightening force according to the calculation requirement, the pretightening force combines the detachable ribbed slab and the reinforced concrete bottom template, the ribbed slab and the reinforced concrete bottom template are tightly combined through the combined action of the friction force generated by the pretightening force in the transportation and construction processes, the bearing capacity and the rigidity of the bottom template in the production, transportation and installation processes can be improved through the ribbed slab, the cracking of a concrete bottom template is avoided, on the basis of keeping the advantage of flatness of the bottom surface of the reinforced concrete composite floor slab, the composite floor slab has lighter weight, higher bearing capacity and rigidity compared with the prior art, and the span can be larger.
As shown in fig. 1, according to the second embodiment of the present invention, the bottom form 1 is provided with a plurality of local protrusions 11 on the upper side, the local protrusions are distributed in rows, the reinforced concrete bottom form is composed of a reinforced concrete slab with a thickness of 20-30mm and local protrusion concrete shear resistant members, and the bottom form is provided with a plurality of protrusions as shear resistant members on the upper side, so that the local shear resistance of the bottom form is improved, and the protrusions are engaged with the cast-in-place concrete lamination layer, so that the bonding force between the cast-in-place concrete lamination layer and the bottom form is higher.
As shown in fig. 1 and 3, the rib plate is connected with the bottom form 1 through a bolt connector 21 as an embodiment. The detachable rib plate has small contact area with the concrete bottom template, the contact force can be adjusted according to the pretightening force of the bolt, the contact surface can be free from coating of coatings such as release agent and the like, and the detachment is convenient; the detachable rib plate, the bolt and other materials have good strength and durability, and are not easy to damage in the detaching process; after the strength of the cast-in-place concrete superposed layer meets the requirement, the cast-in-place concrete superposed layer can be completely disassembled and recycled, the recycling frequency is high, and the comprehensive cost is low. Detachable floor and bolt are small, light in weight, dismantle and retrieve the transportation convenience, and simple manual work can realize.
As shown in fig. 1, in the third embodiment, the bolt connecting member 21 penetrates through the local protrusion 11, the bottom form 1 and the rib plate 2 from top to bottom, the overall thickness of the bolt connecting member is the largest, the stability of the bolt connecting member is stronger, and the problem of bolt shaking caused by the thinner penetrating thickness of the bolt is avoided. The bolt connecting piece comprises a bolt and an embedded sleeve, and the embedded sleeve is arranged in the bottom template and the local bulge in advance. The partial protrusions may be provided in a cylindrical shape or a quadrangular prism shape according to the size of the bolt.
The pouring height of the cast-in-place concrete superposed layer is the same as that of the local bulge 11; after the strength of the cast-in-place concrete laminated layer meets the requirement, the bolt connecting piece is disassembled, and the ribbed plate 2 automatically falls off; mortar is reserved in the local bulge 11 and filled in the sleeve.
As shown in fig. 1 and 3, in the fourth embodiment, the rib plates 2 are arranged along the length direction of the bottom formwork 1, and the rib plates are parallel to the span stress direction of the bottom formwork, so that the span stress degree of the bottom formwork can be enhanced, and the problem that the bottom formwork is cracked due to the fact that the span is too large and the bearing capacity of the bottom formwork is insufficient is solved.
As shown in fig. 2 and 4, in the fifth embodiment, the rib plates 2 are distributed in a staggered manner and are respectively arranged along the length direction and the width direction of the bottom form 1, and the bearing capacity of the bottom form is further enhanced by the rib plates arranged in two directions, so that the two-way stress of the bottom form is improved. The cross parts of the rib plates are connected in a mode of cutting and then welding, and the bidirectional rib plates are made into fixed templates according to the size of the templates.
In the sixth embodiment, as shown in fig. 5 and 6, the ribbed plates below the adjacent bottom formworks 1 are butted through bolts 3, the end parts of the ribbed plates are fixedly provided with end plates 31, and the end plates 31 of the two ribbed plates are connected through the bolts 3, so that the adjacent bottom formworks can be connected together to work together, and the mutual supporting synergistic force is stronger. End plates are welded at the end parts of the ribbed plates at the connecting parts and are connected through bolts 3.
Under the condition of achieving the same strength, the thickness of the reinforced concrete bottom template is 20-30mm and is 1/3-1/2 of the weight of a common concrete laminated slab with the thickness of 60mm, and the transportation and hoisting cost can be reduced by about 50%.
The specific use method of the invention comprises the following steps: the bottom formwork with the local bulges is manufactured in a factory, the floor plates are transported to a construction site after being installed through the bolt connecting pieces, the floor plates below the adjacent bottom formwork are butted through bolts after the bottom formwork is erected at the working position of the bottom formwork, reinforcing steel bars are bound above the bottom formwork, a concrete cast-in-place laminated layer is poured, the bolts are unscrewed after the floor slab is integrally stable, the floor plates are dismantled, and the floor plates and the bolt connecting pieces can be reused.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.
Claims (9)
1. The floor comprises a bottom formwork (1), wherein the bottom formwork (1) is made of reinforced concrete, and the floor is characterized by further comprising a floor plate (2), and the floor plate (2) is detachably arranged below the bottom formwork (1) through a connecting piece.
2. A floor with dismountable ribs, according to claim 1, characterised by that the bottom form (1) is provided with local protrusions (11) on its upper side.
3. A ribbed demountable fabricated floor according to claim 1, wherein said ribbed slab is connected to the bottom form (1) by bolted connections (21).
4. A ribbed demountable fabricated floor according to claim 2, wherein said ribbed slab is connected to the bottom form (1) by bolted connections (21).
5. A floor panel with detachable floor covering according to claim 4, characterised in that the bolt connection (21) extends from top to bottom through the partial protrusion (11), the bottom form (1) and the floor panel (2).
6. A ribbed demountable fabricated floor according to any one of claims 1 to 5, wherein said ribbed slab (2) is disposed along the length of the base formwork (1).
7. A ribbed demountable fabricated floor according to any one of claims 1 to 5, wherein said ribs (2) are staggered and disposed along the length and width of the base form (1), respectively.
8. A ribbed demountable fabricated floor according to any one of claims 1 to 5, wherein the ribbed slabs below adjacent bottom forms (1) are butted by bolts (3), end plates (31) are fixedly provided at the ends of the ribbed slabs, and the end plates (31) of two ribbed slabs are connected by the bolts (3).
9. A ribbed, demountable, fabricated floor as claimed in any one of claims 1 to 5, wherein the base forms are internally laid with plain or prestressed reinforcing bars disposed along their lengths and internally laid with plain reinforcing bars disposed along their widths.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911372358.6A CN111173182A (en) | 2019-12-27 | 2019-12-27 | Floor detachable assembled floor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911372358.6A CN111173182A (en) | 2019-12-27 | 2019-12-27 | Floor detachable assembled floor |
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CN111173182A true CN111173182A (en) | 2020-05-19 |
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CN201911372358.6A Pending CN111173182A (en) | 2019-12-27 | 2019-12-27 | Floor detachable assembled floor |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102051963A (en) * | 2009-11-05 | 2011-05-11 | 郎佃富 | Concrete composite beam floor system and pouring method thereof |
CN205917945U (en) * | 2016-07-22 | 2017-02-01 | 中民筑友科技投资有限公司 | Floor connected node |
CN106555453A (en) * | 2017-02-04 | 2017-04-05 | 赤峰市建筑科学研究院有限公司 | A kind of prefabricated overlapped hollow plate of prestressing force and its construction method |
CN206859480U (en) * | 2017-03-23 | 2018-01-09 | 广东电白建设集团有限公司 | A kind of assembled large span combines steel truss concrete superimposed sheet |
CN108149825A (en) * | 2018-01-11 | 2018-06-12 | 厦门华旸建筑工程设计有限公司 | A kind of connection mode and construction method for the prefabricated board of assembled architecture, prefabricated board and beam |
CN109339323A (en) * | 2018-10-22 | 2019-02-15 | 中国十七冶集团有限公司 | A kind of assembled integral hollow floor structure system and its construction method |
CN109779114A (en) * | 2019-01-25 | 2019-05-21 | 山东建筑大学 | A kind of monoblock type folding plate combined beam |
CN110607867A (en) * | 2019-08-20 | 2019-12-24 | 吴充 | Non-dismantling mold laminated slab |
-
2019
- 2019-12-27 CN CN201911372358.6A patent/CN111173182A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102051963A (en) * | 2009-11-05 | 2011-05-11 | 郎佃富 | Concrete composite beam floor system and pouring method thereof |
CN205917945U (en) * | 2016-07-22 | 2017-02-01 | 中民筑友科技投资有限公司 | Floor connected node |
CN106555453A (en) * | 2017-02-04 | 2017-04-05 | 赤峰市建筑科学研究院有限公司 | A kind of prefabricated overlapped hollow plate of prestressing force and its construction method |
CN206859480U (en) * | 2017-03-23 | 2018-01-09 | 广东电白建设集团有限公司 | A kind of assembled large span combines steel truss concrete superimposed sheet |
CN108149825A (en) * | 2018-01-11 | 2018-06-12 | 厦门华旸建筑工程设计有限公司 | A kind of connection mode and construction method for the prefabricated board of assembled architecture, prefabricated board and beam |
CN109339323A (en) * | 2018-10-22 | 2019-02-15 | 中国十七冶集团有限公司 | A kind of assembled integral hollow floor structure system and its construction method |
CN109779114A (en) * | 2019-01-25 | 2019-05-21 | 山东建筑大学 | A kind of monoblock type folding plate combined beam |
CN110607867A (en) * | 2019-08-20 | 2019-12-24 | 吴充 | Non-dismantling mold laminated slab |
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Application publication date: 20200519 |