CN204238395U - A kind of prefabricated pair of thin plate cassette ceiling structure - Google Patents

A kind of prefabricated pair of thin plate cassette ceiling structure Download PDF

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Publication number
CN204238395U
CN204238395U CN201420655573.3U CN201420655573U CN204238395U CN 204238395 U CN204238395 U CN 204238395U CN 201420655573 U CN201420655573 U CN 201420655573U CN 204238395 U CN204238395 U CN 204238395U
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China
Prior art keywords
precast plate
shaped panels
lower floor
plate
inverted
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Expired - Fee Related
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CN201420655573.3U
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Chinese (zh)
Inventor
孟凡江
邵家彬
吴燕信
张昌余
吴宏武
孙圣勤
王云同
叶礼钢
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ANHUI HUBIN ARCHITECTURE Co
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ANHUI HUBIN ARCHITECTURE Co
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Priority to CN201420655573.3U priority Critical patent/CN204238395U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a kind of prefabricated pair of thin plate cassette ceiling structure, and comprise upper and lower layer precast plate, both are fixed by steel I-beam and form hollow-core construction; Lower floor's precast plate is connected by pre-buried screw rod with beam, is connected by connecting reinforcement with body of wall; Upper and lower layer precast plate is by inverted T-shaped panels and T-shaped panels alternative splicing, by fixing in screw rod inserting bolt hole.Lower floor's precast plate arranges groove, with lower floor's precast plate upper surface laying pea gravel concreten layer in groove, upper strata precast plate is laid leveling layer, waterproof roll, decorative layer.It is fast that the structure that the utility model relates to has speed of application, easy for installation, and floor quality is light, and the features such as template consumption is few, and superstructure sequential production gap periods is short, have good technical economic benefit.

Description

A kind of prefabricated pair of thin plate cassette ceiling structure
Technical field
The present invention relates to a kind of prefabricated pair of thin plate cassette ceiling structure.Belong to technical field of buildings, be applicable to the construction of industry and civilian construction floor.
Background technology
Floor a kind of vertical load and deadweight is passed to the supporting member on basis by body of wall, beam or post, plays and transmit the effect of vertical load.Floor slab structure form can be divided into in-situ reinforced concrete slab and the large class of assembled steel bar concrete floor two by construction method.In-situ reinforced concrete slab globality, durability, shock resistance are good, and rigidity is large, but template consumption is large, long construction period.Prefabricated reinforced concrete floor slab construction template uses little, short construction period, but it exists the defects such as poor durability, shock resistance is poor, integrated connection strength deficiency, floor water proofing property are poor.
For accelerating floor slab construction speed, strengthen anti-seismic performance and the bulk strength of floor, increase the scope of application of floor, novel floor form emerges in an endless stream.As a kind of anti-leak floorslab precast floor slab (application number 200720182096.3), arrange gutter in the side of precast floor slab, opposite side arranges waterproof shield, and to strengthen the barrier performance of floor, but the method still cannot solve the lower defect of precast floor slab intensity.And for example a kind of construction method (application number: 201110256611.9) of reinforced concrete laminated floor slab, panels leaves reinforced hole in advance when making on floor, and reinforcing bar is inserted in reinforced hole, upper strata is concreting again, this structure well strengthens the intensity of floor, but during the concreting of upper strata, need install a large amount of template, speed of application obviously slows down, and floor planeness is wayward.The and for example two thin lightweight laminated floor slab structure of a kind of assembly integrated precast and construction method (application number 201410533271.3), the prefabricated units of this invention precast floor slab are complex-shaped, link slot needs pre-on member upper surface, it is all with bolts that lower floor caught up with by i iron stiffener, light weight concrete construction is built between upper and lower floor, generally speaking precasting process is more complicated, and difficulty of construction is larger.
In sum, although existing floor slab structure has had very large improvement in waterproof effect, floor strength etc., but still it is comparatively large to there is difficulty of construction, the defect that floor own wt is relatively heavier.Given this, for existing floor slab structure, improve speed of application, strengthen the impermeability of floor and intensity etc., need a kind of reliable construction quality of invention, speed of application is fast, cost is relatively low prefabricated pair of thin plate cassette ceiling structure at present badly.
Summary of the invention
The utility model, for above-mentioned prior art Problems existing, is invented a kind of reliable in quality, speed of application is fast, template use amount is few, floor own wt is light, prefabricated pair of thin plate cassette ceiling structure of good seepage-proof property.
In order to realize above-mentioned technical purpose, present invention employs following technical scheme:
A kind of prefabricated pair of thin plate cassette ceiling structure, comprises lower floor's precast plate, pea gravel concreten layer, upper strata precast plate, leveling layer, waterproof roll and decorative layer from top to bottom; Lower floor's precast plate is connected by pre-buried screw rod with beam, is connected by connecting reinforcement with body of wall, is provided with filling mortar in the space between lower floor's precast plate and body of wall; Lower floor's precast plate is arranged one deck pea gravel concreten layer; Connected by steel I-beam between upper strata precast plate and lower floor's precast plate, steel I-beam bottom flange is embedded in lower floor's precast plate in advance, and top flange is connected by screw rod with upper strata precast plate;
Upper and lower layer precast plate forms by inverted T-shaped panels and T-shaped panels alternative splicing, the wing plate pre embedded bolt of inverted T-shaped panels, the position prepared screw-bolt hole of corresponding screw rod on the wing plate of T-shaped panels, and soffit is provided with waterstop; By fixing in screw rod inserting bolt hole when inverted T-shaped panels and the splicing of T-shaped panels, between the inverted T-shaped panels of lower floor's precast plate and T-shaped panels, groove is set;
T-shaped panels for splicing upper strata precast plate is equal with inverted T-shaped panels size;
Inverted T-shaped panels wing plate length for splicing lower floor's precast plate is greater than the wing plate length of T-shaped panels, and the pre-buried steel I-beam of web, is welded with stiffened steel plates between the web of steel I-beam and bottom flange.
The pea gravel concreten layer that lower floor's precast plate is laid embeds in the groove of lower floor's precast plate upper surface; Be provided with steel mesh reinforcement in pea gravel concreten layer, steel mesh reinforcement and stiffened steel plates are welded to connect.
The utility model has following feature and beneficial effect:
(1) the inverted T-shaped panels wing plate length of splicing lower floor's precast plate is greater than T-shaped panels wing plate length, forms groove, build pea gravel concreten in groove after splicing at the upper surface of lower floor's precast plate, strengthens the bulk strength of lower floor's precast plate.
(2) this floor arranges double-deck precast plate, is arranged to hollow between upper and lower two-layer precast plate, and floor own wt is comparatively light, and the screw rod for connecting upper and lower precast plate all adopts pre-buried mode to arrange, and concatenation construction speed is fast.
(3) connect between the bottom flange of the steel I-beam of upper and lower prefabricated plate and web and stiffened steel plates is set, strengthen the bending resistance of steel I-beam, thus improve the bulk strength of floor, steel mesh reinforcement simultaneously in pea gravel concreten layer welds with stiffened steel plates, reduces welding process to the impact of steel I-beam performance.
(4) all waterstop is set, floor good seepage-proof property in upper strata precast plate and lower floor's precast plate splicing seams.
Accompanying drawing explanation
Fig. 1 is utility model prefabricated pair of thin plate cassette ceiling structure structural representation;
Fig. 2 is T-shaped panels structural representation;
Fig. 3 is the inverted T-shaped panels structural representation on wing plate after pre embedded bolt;
Fig. 4 is the inverted T-shaped panels structural representation after steel I-beam installed by web;
In figure: 1-beam, 2-body of wall, 3-lower floor precast plate, 4-upper strata precast plate, 5-pea gravel concreten layer, 6-screw rod, 7-steel I-beam, 8-stiffened steel plates, 9-waterstop, 10-connecting reinforcement, 11-fills mortar, 12-steel mesh reinforcement, 13-inverted T-shaped panels, 14-T shape panels, 17-leveling layer, 18-waterproof roll, 19-decorative layer, 20-bolt hole.
Detailed description of the invention
Pouring construction the utility model of the prefabricated construction of panels and steel I-beam, body of wall and beam is not repeated, the concrete embodiment of setting forth the utility model and relating to structure.
With reference to shown in Fig. 1, prefabricated pair of thin plate cassette ceiling structure comprises lower floor's precast plate 3, pea gravel concreten layer 5, upper strata precast plate 4, leveling layer 17, waterproof roll 18 and decorative layer 19 from top to bottom, steel I-beam 7 is provided with between levels precast plate, lower floor's precast plate 3 is fixed by the connecting reinforcement 10 implanted with body of wall 2, and lower floor's precast plate 3 and beam 1 are fixed by screw rod.
Fig. 2 is T-shaped panels structural representation, and Fig. 3 is the inverted T-shaped panels structural representation on wing plate after pre embedded bolt.With reference to shown in Fig. 2,3, upper and lower layer precast plate forms by prefabricated inverted T-shaped panels 13 and T-shaped panels 14 alternative splicing.For upper strata precast plate 4, the size of inverted T-shaped panels 13 and T-shaped panels 14 is equal, for lower floor's precast plate 3, the wing plate length 40 ~ 50mm larger than the wing plate of T-shaped panels 14 of inverted T-shaped panels 13, then form groove between the adjacent inverted T-shaped panels 13 of lower floor's precast plate 3 and T-shaped panels 14, and seamless between the adjacent inverted T-shaped panels 13 of upper strata precast plate 4 and T-shaped panels 14.Pre embedded bolt 6 on the wing plate of inverted T-shaped panels 13, on the wing plate of T-shaped panels 14, bolt hole 20(diameter 14mm ~ 16mm is preset in the position of corresponding screw rod 6), by screw rod 6 inserting bolt hole 20 is fixed when such T-shaped panels 14 and inverted T-shaped panels 13 splice.The screw rod that screw rod 6 adopts No. 45 steel to make, diameter 12mm.T-shaped panels 14 soffit arranges waterstop 9, the cubical expansivity of waterstop 9 in static distilled water (%) >=150%, once contact with the aqueous phase immersed, its rapid spatial expansion, reaches complete stagnant water effect.
Fig. 4 is the inverted T-shaped panels structural representation after steel I-beam installed by web, with reference to shown in Fig. 4, pre-buried steel I-beam 7 on the web splicing the inverted T-shaped panels 13 of lower floor's precast plate 3, steel I-beam 7 adopts strength grade to be that the steel plate of Q235 is prefabricated into, and welds the stiffened steel plates 8 that leg-of-mutton strength grade is Q235 between the web of steel I-beam 7 and bottom flange;
When beam 1 is built, pre-buried external diameter is the screw rod 6 of 12mm, when installing lower floor's precast plate 3, the bolt hole of lower floor's precast plate 3 is inserted in screw rod 6; Body of wall 2 and lower floor's precast plate 3 surrounding correspondence position draw hole respectively and implant the connecting reinforcement 10 that 2 ~ 3 row diameters are 6mm, and it is fixing by being welded to connect, mortar 11 is filled in finedraw perfusion between body of wall 2 and lower floor's precast plate 3, fills mortar 11 and adopts cement lime mortar or cement clay mortar.
After lower floor's precast plate 3 installation, lower floor's precast plate 3 hangs steel mesh reinforcement 12, steel mesh reinforcement 12 adopts CRB550 level cold rolled reinforcing steel bar with ribs to make, and the bar diameter forming steel mesh reinforcement is 8 ~ 14mm, and spacing is 150mm.Steel mesh reinforcement 12 and stiffened steel plates 8 are welded to connect, then pea gravel concreten layer 5 is built, the sand of pea gravel concreten used adopts the medium coarse sand of particle diameter 0.3 ~ 0.5mm, coarse aggregate mud content should not be greater than 1%, fines mud content should not be greater than 2%, hydromining tap water or drinkable natural water, concrete strength should lower than C20, and water/binder ratio should not be greater than 0.55; Sand factor is preferably 35% ~ 40%; Cement-sand ratio is preferably 1: 2 ~ 1: 2.5, and pea gravel concreten layer 5 THICKNESS CONTROL, at 20mm ~ 25mm, also pours into a mould pea gravel concreten in the groove between the adjacent inverted T-shaped panels 13 of lower floor's precast plate and T-shaped panels 14.
After pea gravel concreten layer 5 has been built, lifting upper strata precast plate 4, first at steel I-beam 7 upper surface welding screw rod 6, then winches to assigned address by the upper strata precast plate 4 spliced, by screw rod 6 being inserted screw hole and support screw cap fixes upper strata precast plate 4.
After upper strata precast plate 6 installation, build leveling layer 17, laying water-proof coiled material 18, and complete the construction of decorative layer 19.Leveling layer 17 adopts waterproofing mortar, and match ratio is ordinary portland cement: sand: latex=1:2:0.35, and stirs, and leveling layer 17 thickness is 7mm ~ 10mm, and waterproof roll 18 adopts SBS waterproof roll.

Claims (5)

1. a prefabricated pair of thin plate cassette ceiling structure, is characterized in that comprising lower floor's precast plate, pea gravel concreten layer, upper strata precast plate, leveling layer, waterproof roll and decorative layer from top to bottom; Lower floor's precast plate is connected by pre-buried screw rod with beam, be connected by connecting reinforcement with body of wall, connected by steel I-beam between upper strata precast plate and lower floor's precast plate, steel I-beam bottom flange is embedded in lower floor's precast plate in advance, and top flange is inserted screw hole with upper strata precast plate by screw rod and is connected;
Upper and lower layer precast plate forms by inverted T-shaped panels and T-shaped panels alternative splicing, the wing plate pre embedded bolt of inverted T-shaped panels, the position prepared screw-bolt hole of corresponding screw rod on the wing plate of T-shaped panels, and soffit is provided with waterstop; By fixing in screw rod inserting bolt hole when inverted T-shaped panels and the splicing of T-shaped panels, between the inverted T-shaped panels of lower floor's precast plate and T-shaped panels, groove is set.
2. prefabricated pair of thin plate cassette ceiling structure according to claim 1, is characterized in that the T-shaped panels for splicing upper strata precast plate is equal with inverted T-shaped panels size; Inverted T-shaped panels wing plate length for splicing lower floor's precast plate is greater than the wing plate length of T-shaped panels.
3. prefabricated pair of thin plate cassette ceiling structure according to claim 1, is characterized in that being welded with stiffened steel plates between the web of steel I-beam and bottom flange.
4. prefabricated pair of thin plate cassette ceiling structure according to claim 1, is characterized in that the pea gravel concreten layer that lower floor's precast plate is laid embeds in the groove of lower floor's precast plate upper surface.
5. prefabricated pair of thin plate cassette ceiling structure according to claim 1, it is characterized in that being provided with steel mesh reinforcement in pea gravel concreten layer, steel mesh reinforcement and stiffened steel plates are welded and fixed.
CN201420655573.3U 2014-11-06 2014-11-06 A kind of prefabricated pair of thin plate cassette ceiling structure Expired - Fee Related CN204238395U (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107795055A (en) * 2017-10-19 2018-03-13 武汉理工大学 A kind of modular combination floor and construction method
CN109338877A (en) * 2018-12-10 2019-02-15 重庆交通大学 A kind of fast changeable precast bridge expansion gap device and its mounting structure
CN111764557A (en) * 2020-07-21 2020-10-13 江苏智信达建筑科技有限公司 Assembly type floor with decorative surface layer and construction method thereof
CN113006355A (en) * 2021-03-10 2021-06-22 蓝城乐居建设管理集团有限公司 Truss reinforced concrete laminated slab with cavity structure and preparation method thereof
CN113152810A (en) * 2021-05-10 2021-07-23 江苏科技大学 Light steel building bearing type superposed stair and construction method
CN113585769A (en) * 2021-08-27 2021-11-02 中建三局集团有限公司 Method for installing closed space of assembled bare concrete horizontal component

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107795055A (en) * 2017-10-19 2018-03-13 武汉理工大学 A kind of modular combination floor and construction method
CN109338877A (en) * 2018-12-10 2019-02-15 重庆交通大学 A kind of fast changeable precast bridge expansion gap device and its mounting structure
CN111764557A (en) * 2020-07-21 2020-10-13 江苏智信达建筑科技有限公司 Assembly type floor with decorative surface layer and construction method thereof
CN113006355A (en) * 2021-03-10 2021-06-22 蓝城乐居建设管理集团有限公司 Truss reinforced concrete laminated slab with cavity structure and preparation method thereof
CN113006355B (en) * 2021-03-10 2022-11-18 蓝城乐居建设管理集团有限公司 Truss reinforced concrete laminated slab with cavity structure and preparation method thereof
CN113152810A (en) * 2021-05-10 2021-07-23 江苏科技大学 Light steel building bearing type superposed stair and construction method
CN113585769A (en) * 2021-08-27 2021-11-02 中建三局集团有限公司 Method for installing closed space of assembled bare concrete horizontal component

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Granted publication date: 20150401

Termination date: 20201106