CN102383512A - Prefabricated prestressed plate with reinforced truss flange plate and production method thereof - Google Patents

Prefabricated prestressed plate with reinforced truss flange plate and production method thereof Download PDF

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Publication number
CN102383512A
CN102383512A CN201110235282XA CN201110235282A CN102383512A CN 102383512 A CN102383512 A CN 102383512A CN 201110235282X A CN201110235282X A CN 201110235282XA CN 201110235282 A CN201110235282 A CN 201110235282A CN 102383512 A CN102383512 A CN 102383512A
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plate
concrete
prestressed
steel bar
base plate
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CN201110235282XA
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郭正兴
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Abstract

The invention relates to a prefabricated prestressed plate with a reinforced truss flange plate and a production method thereof, in particular to an assembly type concrete overlapped floor slab with a bidirectional mechanical performance and the production method thereof. The prefabricated prestressed plate consists of a prefabricated prestressed concrete base plate, a prefabricated concrete flange strip plate and reinforced trusses which are respectively cast in an upper plate and a lower plate; and a gap through which a wire tube and a reinforcing steel bar penetrate is reserved between the base plate and the flange plate. When the prefabricated prestressed plate is produced, the reinforced trusses are cast with the concrete flange strip plate together; the flange plate with the reinforced truss is turned by 180 degrees and is commonly pressed in the base plate which is provided with stretch-drawing prestressed bars and a concrete material together with a longitudinal reinforcing steel bar positioned at a sharp point of the triangular reinforced truss, a broken line bending part and a transverse distribution bar; and concrete is vibrated and cured to form the prefabricated prestressed concrete plate with the reinforced tress flange plate. According to the prefabricated prestressed plate and the production method thereof disclosed by the invention, high-efficiency streamline production of a factory is realized; the integrity of the cast overlapped floor slab is favorable; a construction process of the floor slab is simplified; and a template and the labor intensity can be saved.

Description

The precast prestressed plate and the preparation method of band steel bar girder frange plate
Technical field
The present invention relates to a kind of precast prestressed plate and preparation method of band steel bar girder frange plate of floor bar concrete folding plate, belong to construction work assembly structure construction method field.
Background technology
Reinforced concrete floor is the main member of building construction; Adopt at utmost prefabricated fit to build the developing direction of having represented national industrialization of construction industry for floor; Also help saving the input of materials such as template and support and saving manual work, effectively reduce building waste and protection environment.The reinforced concrete floor pattern that known employing fit is built has: the floor of the steel board cast-in-place concrete floor of the superimposed cast-in-place surface layer floor of precast prestressed concrete hollowcore slab, profiled sheet welded reinforcement truss, the floor of the superimposed cast-in-place the first half of precast prestressed concrete thin plate and the superimposed cast-in-place the first half of precast prestressed concrete rib thin plate with holes.
For the floor slab structure of the superimposed cast-in-place surface layer of prefabricated concrete hollow slab, because the plate piece is many, mostly coincidence surface plate is the mortar levelling layer, and the floor globality is poor, and its application quantity just significantly reduces; Steel board cast-in-place concrete floor for profiled sheet welded reinforcement truss; Be used in the reinforced concrete floor in steel framed structure house more; Load soffit formwork when the bottom surface profiled sheet of this pattern mainly is used as the concreting floor; Use profiled sheet to increase construction costs as soffit formwork, soffit needs to decorate in addition; Floor for the superimposed cast-in-place the first half of precast prestressed concrete thin plate; Amount of reinforcement can be effectively saved in the use of prestressing force thin plate; Only handle but the superposed surfaces of levels is general through the cut hair side of precast plate face; If moistening insufficient co-operation performance that can influence the levels bonding surface, the main stress performance of floor is an one-way slabs in addition when superimposed cast-in-place upper strata; Floor for the superimposed cast-in-place upper board part of precast prestressed concrete rib thin plate with holes; Though the main stressed of floor can be two-way slab; But on rectangle or inverted T-shaped concrete rib, keep somewhere the rectangle hole at interval; Inconvenient and any oblique of concrete rib direction be embedded in passing through of conduit in the floor, the template of keeping somewhere the rectangle hole is at interval installed with dismounting and is acquired a certain degree of difficulty, and has also reduced the prefabricated continuous productive process efficient of industrialization of the precast prestressed thin plate with ribbing of boxing out at interval.
Owing to there is above-mentioned various problems, the problem that various lots of reinforced concrete floor adopts the superimposed mode of assembling to build is not well solved, and this has also limited the popularization and the application of prefabricated assembling laminated floor slab.
Summary of the invention
Technical problem:For solving the problem of the coordination optimizations such as holistic resistant behavior, economy and construction convenience that current concrete prefabricated assembling laminated floor slab exists; The present invention provides a kind of precast prestressed plate and preparation method that is applicable to the band steel bar girder frange plate of prefabricated assembling laminated floor slab; The technical problem underlying of facing has: (1) precast prestressed concrete base plate can adopt the triangle welded reinforcement truss of industrialization streamline making as stiffening rib, but rigidity increases limited problem after needing the known triangle reinforcing bar truss rib of solution just putting the embedding concrete floor; (2) after the steel bar girder edge of a wing is provided with strip concrete frange plate,, how to solve the making problem that is combined as a whole with the prestressed concrete base plate with inverted band triangle reinforcing bar truss edge of a wing strip plate though increased the rigidity of precast concrete plank; Preferably can satisfy the bidirectional stress performance demands to laminated floor slab when (3) being used in combination, should solve precast prestressed interplate horizontal piece and leave steel tie and the problem of being convenient to penetrate horizontal non-prestressed distribution reinforcement.
Technical scheme:The precast prestressed plate of band steel bar girder frange plate of the present invention; Be provided with concrete edge of a wing strip plate at the prestressed concrete plate upper surface side by side along its length direction; Can penetrate the gap of transversely distributed steelbar or conduit between prestressed concrete base plate and the concrete edge of a wing strip plate apart; Be connected by triangle reinforcing bar truss between prestressed concrete base plate and the concrete edge of a wing strip plate; Promptly this triangle reinforcing bar truss is inverted equilateral triangle, and this leg-of-mutton drift angle is arranged in the prestressed concrete base plate, and this pairing base of leg-of-mutton drift angle is arranged in concrete edge of a wing strip plate; Steel bar girder broken line abdomen muscle is two waists of triangle reinforcing bar truss, and the steel bar girder longitudinal reinforcement lays respectively at place, leg-of-mutton three angles; Laterally link the both sides that gib head stay bolt muscle is positioned at triangle reinforcing bar truss, the one of which end is arranged in the prestressed concrete base plate, and the other end is arranged in concrete edge of a wing strip plate; Compressor wire is along the length direction setting of prestressed concrete plate, and end cross is encrypted the horizontally set of reinforcing bar along the prestressed concrete base plate; The middle part of cross direction profiles distributing bar is along the horizontally set of prestressed concrete plate, and two is positioned at the outside of prestressed concrete base plate, and double as links reinforcing bar for the plate piece.
The preparation method of the precast prestressed plate of band steel bar girder frange plate comprises the steps:
1) earlier that triangle reinforcing bar truss fabrication is good;
2) triangle reinforcing bar truss is just being put and two steel bar girder longitudinal reinforcements embeddings on the triangle base are being cast in the strip concrete slab, forming the concrete edge of a wing strip plate of band steel bar girder;
3) on the stretching bed for longline production of precast plate production line, stretch-draw is positioned at the longitudinal prestressing steel wire of base plate, and with material distributing machine carry out the prestressed concrete base plate concrete distributing and tentatively vibrate;
4) the concrete edge of a wing strip plate that utilizes the walking tipping arrangement will have steel bar girder turns over turnback; Be positioned at the steel bar girder longitudinal reinforcement of steel bar girder triangle cusp and the common vibrations of the related cross direction profiles distributing bar of bending part of steel bar girder broken line abdomen muscle and be pressed into the prestressed concrete base plate of cloth; Closely knit and the maintenance of concrete vibrating, lifting transportation after the demoulding.
Beneficial effect: (1)This precast plate may be implemented in high efficiency industrialization making on the precast yard factory streamline; (2) employing of high-strength prestressed muscle has increased the rigidity of prestressed concrete base plate, can effectively reduce the consumption of reinforcing bar in the floor; (3) employing of band steel bar girder edge of a wing strip plate can effectively improve the rigidity of prestressed concrete base plate, increases the cracking resistance of base plate, reduces the breakage rate of precast plate in transportation and the work progress; (4) make things convenient for precast plate be in place pre-buried conduit in the floor of back arbitrarily to the co-operation performance of passing through and effectively increasing superimposed of levels; (5) the precast prestressed concrete plate deadweight of band steel bar girder frange plate is lighter, has reduced the elevating capacity requirement to job site configuration tower crane handling prefabricated units; (6) it is stressed to make prefabricated laminated floor slab form two-way slab, thereby has guaranteed the globality of prefabricated laminated floor slab.With the precast plate that this method is made, good economy performance, easy construction can reduce the consumption of job site template and support and minimizing workman's the operation intensity and the amount of labour used in a large number.
Description of drawings
Below in conjunction with accompanying drawing and embodiment to further explain of the present invention:
Fig. 1 is the three-dimensional structure sketch map of the precast prestressed plate of band steel bar girder frange plate of the present invention,
Fig. 2 is the cross-sectional view of the precast prestressed plate of band steel bar girder frange plate of the present invention,
Fig. 3 is the schematic three dimensional views of band triangle reinforcing bar truss of the present invention edge of a wing strip concrete slab.
Have among the figure: prestressed concrete base plate 1, concrete edge of a wing strip plate 2, triangle reinforcing bar truss 3; Steel bar girder longitudinal reinforcement 4, steel bar girder broken line abdomen muscle 5, compressor wire 6; End cross is encrypted reinforcing bar 7, and cross direction profiles distributing bar 8 laterally links gib head stay bolt muscle 9.
The specific embodiment
The precast prestressed plate and the preparation method of band steel bar girder frange plate of the present invention; Adopt two longitudinal reinforcements in the bight, triangle welded reinforcement truss base of factory's streamline production to pour into the strip concrete slab, form the stress unit of the edge of a wing strip plate of band steel bar girder; Be provided with concrete edge of a wing strip plate 2 at prestressed concrete base plate 1 upper surface side by side along its length direction; Can penetrate the gap of transversely distributed steelbar or conduit between prestressed concrete base plate 1 and the concrete edge of a wing strip plate 2 apart; Be connected by triangle reinforcing bar truss 3 between prestressed concrete base plate 1 and the concrete edge of a wing strip plate 2; Promptly this triangle reinforcing bar truss 3 is inverted equilateral triangle; This leg-of-mutton drift angle is arranged in prestressed concrete base plate 1; This pairing base of leg-of-mutton drift angle is arranged in concrete edge of a wing strip plate 2, and steel bar girder broken line abdomen muscle 5 is two waists of triangle reinforcing bar truss 3, and steel bar girder longitudinal reinforcement 4 lays respectively at place, leg-of-mutton three angles; Laterally link the both sides that gib head stay bolt muscle 9 is positioned at triangle reinforcing bar truss 3, the one of which end is arranged in prestressed concrete base plate 1, and the other end is arranged in concrete edge of a wing strip plate 2; Compressor wire 6 is along the length direction setting of prestressed concrete plate 1, and end cross is encrypted the horizontally set of reinforcing bar 7 along prestressed concrete base plate 1; The middle part of cross direction profiles distributing bar 8 is along the horizontally set of prestressed concrete plate 1, and two is positioned at the outside of prestressed concrete base plate 1.
During manufacturing, triangle reinforcing bar truss 3 is just being put, the steel bar girder longitudinal reinforcement 4 on steel bar girder base laterally links gib head stay bolt muscle 9 with distribution and is cast in concrete edge of a wing strip plate 2, forms the frange plate of band triangle reinforcing bar truss; Stretch-draw prestressing force steel wire 6 on precast pedestal, banded end is laterally encrypted reinforcing bar 7, and piecemeal flowing water carries out the concrete distributing of precast prestressed concrete base plate 1; The edge of a wing strip plate of band triangle reinforcing bar truss turns over turnback and is inversion state on the stepped type tipping arrangement; The steel bar girder longitudinal reinforcement 4 that will be positioned at the triangular truss cusp is pressed into the prestressed concrete base plate 1 of cloth, vibrated concrete and maintenance with the related distribution cross direction profiles of steel bar girder broken line abdomen muscle 5 folded end distributing bar 8 common vibrations; Cut off compressor wire 6 and put and open, play the precast prestressed concrete plate of suspender belt steel bar girder frange plate and stack.

Claims (2)

1. precast prestressed plate with the steel bar girder frange plate; It is characterized in that: be provided with concrete edge of a wing strip plate (2) side by side along its length direction at prestressed concrete base plate (1) upper surface; Can penetrate the gap of transversely distributed steelbar or conduit between prestressed concrete base plate (1) and the concrete edge of a wing strip plate (2) apart; Be connected by triangle reinforcing bar truss (3) between prestressed concrete base plate (1) and the concrete edge of a wing strip plate (2); Promptly this triangle reinforcing bar truss (3) is inverted equilateral triangle; This leg-of-mutton drift angle is arranged in prestressed concrete base plate (1); This pairing base of leg-of-mutton drift angle is arranged in concrete edge of a wing strip plate (2), and steel bar girder broken line abdomen muscle (5) is two waists of triangle reinforcing bar truss (3), and steel bar girder longitudinal reinforcement (4) lays respectively at place, leg-of-mutton three angles; Laterally link the both sides that gib head stay bolt muscle (9) is positioned at triangle reinforcing bar truss (3), the one of which end is arranged in prestressed concrete base plate (1), and the other end is arranged in concrete edge of a wing strip plate (2); Compressor wire (6) is along the length direction setting of prestressed concrete plate (1), and end cross is encrypted the horizontally set of reinforcing bar (7) along prestressed concrete base plate (1); The middle part of cross direction profiles distributing bar (8) is along the horizontally set of prestressed concrete plate (1), and two is positioned at the outside of prestressed concrete base plate (1).
2. the preparation method of the precast prestressed plate of band steel bar girder frange plate according to claim 1 is characterized in that this preparation method comprises the steps:
1) earlier triangle reinforcing bar truss (3) is made;
2) triangle reinforcing bar truss (3) is just being put and two steel bar girder longitudinal reinforcements (4) embedding on the triangle base is being cast in the strip concrete slab, forming the concrete edge of a wing strip plate (2) of band steel bar girder;
3) on the stretching bed for longline production of precast plate production line, stretch-draw is positioned at the longitudinal prestressing steel wire (6) of base plate, and with material distributing machine carry out prestressed concrete base plate (1) concrete distributing and tentatively vibrate;
4) the concrete edge of a wing strip plate (2) that utilizes the walking tipping arrangement will have steel bar girder turns over turnback; Be positioned at the steel bar girder longitudinal reinforcement (4) of steel bar girder triangle cusp and the common vibrations of the related cross direction profiles distributing bar of bending part (8) of steel bar girder broken line abdomen muscle (5) and be pressed into the prestressed concrete base plate (1) of cloth; Closely knit and the maintenance of concrete vibrating, lifting transportation after the demoulding.
CN201110235282XA 2011-08-17 2011-08-17 Prefabricated prestressed plate with reinforced truss flange plate and production method thereof Pending CN102383512A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102900191A (en) * 2012-09-17 2013-01-30 杨众 Lap joint bar type prestressed two-way laminated plate and construction method
CN103334525A (en) * 2013-06-17 2013-10-02 南京长江都市建筑设计股份有限公司 One-way prestressed laminated slab structure and construction method thereof
CN105178487A (en) * 2015-10-14 2015-12-23 山东隆和节能科技股份有限公司 Assembly type composite floor slab
CN106436996A (en) * 2016-09-26 2017-02-22 昆山生态屋建筑技术有限公司 Prestressed slab
CN106836598A (en) * 2017-04-12 2017-06-13 中国建筑股份有限公司 A kind of 3D printing pre-stress floor and its construction method
CN107009508A (en) * 2017-05-08 2017-08-04 湖南三快而居住宅工业有限公司 Preform production method and prefabricated component
CN107386431A (en) * 2017-08-30 2017-11-24 刘祥锦 A kind of plate-column structure assembling system and its floor prefabricated components
CN107419832A (en) * 2017-06-14 2017-12-01 杭州铁木辛柯建筑结构设计事务所有限公司 Prefabricated chain type connects full assembled steel bar concrete floor
CN109372169A (en) * 2018-11-21 2019-02-22 钱勇 A kind of two dimension prestressing prefabricated reinforced concrete cassette ceiling and preparation method thereof
CN110238964A (en) * 2019-07-09 2019-09-17 江西联保工程咨询有限公司 A kind of device for installation activity core rib
CN111535455A (en) * 2020-04-14 2020-08-14 中铁第四勘察设计院集团有限公司 Assembly type plate connecting structure and construction method thereof
CN112031239A (en) * 2020-09-03 2020-12-04 四川省佳宇建设集团有限公司 Precast concrete composite floor slab and manufacturing method thereof
CN113250360A (en) * 2021-07-14 2021-08-13 南通汉腾建筑科技有限公司 Assembled precast concrete floor slab and production method thereof
CN115338974A (en) * 2022-09-09 2022-11-15 山东大学 Manufacturing equipment and manufacturing method of steel rib concrete upper flange plate

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CN2323050Y (en) * 1997-10-15 1999-06-09 曹新明 Space triangular reinforced concrete slab-truss
CN101230671A (en) * 2007-01-28 2008-07-30 邱则有 Force-bearing type template component
CN202273341U (en) * 2011-08-17 2012-06-13 郭正兴 Prefabricated prestressed plate with reinforced-truss flange plate

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102900191A (en) * 2012-09-17 2013-01-30 杨众 Lap joint bar type prestressed two-way laminated plate and construction method
CN103334525A (en) * 2013-06-17 2013-10-02 南京长江都市建筑设计股份有限公司 One-way prestressed laminated slab structure and construction method thereof
CN105178487A (en) * 2015-10-14 2015-12-23 山东隆和节能科技股份有限公司 Assembly type composite floor slab
CN106436996A (en) * 2016-09-26 2017-02-22 昆山生态屋建筑技术有限公司 Prestressed slab
CN106436996B (en) * 2016-09-26 2019-05-21 昆山生态屋建筑技术有限公司 A kind of pre-stress floor
CN106836598A (en) * 2017-04-12 2017-06-13 中国建筑股份有限公司 A kind of 3D printing pre-stress floor and its construction method
CN107009508A (en) * 2017-05-08 2017-08-04 湖南三快而居住宅工业有限公司 Preform production method and prefabricated component
CN107419832A (en) * 2017-06-14 2017-12-01 杭州铁木辛柯建筑结构设计事务所有限公司 Prefabricated chain type connects full assembled steel bar concrete floor
CN107386431B (en) * 2017-08-30 2020-04-10 刘祥锦 Plate column structure assembly system and floor slab prefabricated part thereof
CN107386431A (en) * 2017-08-30 2017-11-24 刘祥锦 A kind of plate-column structure assembling system and its floor prefabricated components
CN109372169A (en) * 2018-11-21 2019-02-22 钱勇 A kind of two dimension prestressing prefabricated reinforced concrete cassette ceiling and preparation method thereof
CN110238964A (en) * 2019-07-09 2019-09-17 江西联保工程咨询有限公司 A kind of device for installation activity core rib
CN111535455A (en) * 2020-04-14 2020-08-14 中铁第四勘察设计院集团有限公司 Assembly type plate connecting structure and construction method thereof
CN112031239A (en) * 2020-09-03 2020-12-04 四川省佳宇建设集团有限公司 Precast concrete composite floor slab and manufacturing method thereof
CN113250360A (en) * 2021-07-14 2021-08-13 南通汉腾建筑科技有限公司 Assembled precast concrete floor slab and production method thereof
CN113250360B (en) * 2021-07-14 2021-12-10 南通汉腾建筑科技有限公司 Assembled precast concrete floor slab and production method thereof
CN115338974A (en) * 2022-09-09 2022-11-15 山东大学 Manufacturing equipment and manufacturing method of steel rib concrete upper flange plate
CN115338974B (en) * 2022-09-09 2023-11-07 山东大学 Manufacturing equipment and manufacturing method for steel rib concrete upper flange plate

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Application publication date: 20120321