CN204435638U - A kind of hollow laminated floor slab - Google Patents
A kind of hollow laminated floor slab Download PDFInfo
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- CN204435638U CN204435638U CN201520062708.XU CN201520062708U CN204435638U CN 204435638 U CN204435638 U CN 204435638U CN 201520062708 U CN201520062708 U CN 201520062708U CN 204435638 U CN204435638 U CN 204435638U
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Abstract
The utility model discloses a kind of hollow laminated floor slab, comprise precast hollow base plate and top Bars In Poured Concrete Slab, on described precast hollow base plate, interval is laid with elongated totally-enclosed preformed hole and semiclosed preformed hole or interval and lays elongated totally-enclosed preformed hole and rib of slab, along vertical on described precast hollow base plate, baseplate reinforcing bar is laid at transverse direction interval, baseplate reinforcing bar adopts prestressed reinforcement or interval to lay prestressed reinforcement and nonprestressed reinforcement, reinforcing bar is worn in described semiclosed preformed hole or rib of slab preformed hole, concrete perfusion above precast hollow base plate, form top Bars In Poured Concrete Slab, described Bars In Poured Concrete Slab is indulged along parallel with base plate, transverse direction respectively interval laying organizes top rebars more, integrated poured steel concrete above described base plate, form hollow laminated floor slab.The utility model only needs to produce prefabricated panel and transport, transport and easy for installation, quick, and simultaneously without the need to formwork, crack resistance, globality better, and efficiency of construction is high.
Description
Technical field
The utility model relates to the realm of building construction, particularly relates to a kind of hollow laminated floor slab.
Background technology
Current floor mainly adopts cast-in-place concrete floor, precast floor slab, several form of assembled integral floor.Wherein, there is the defects such as template consumption is large, efficiency of construction is low, easy to crack in cast-in-place concrete floor, there is the defect such as structural integrity, poor seismic behavior in precast floor slab, assembled integral floor existence construction trouble, globality are poor, reliability is difficult to ensure the defects such as card.Simultaneously, superimposed sheet is because reinforcing bar is laid less or do not established reinforcing bar in rear pouring concrete, cause the globality between precast plate and Bars In Poured Concrete Slab poor, therefore cause superimposed sheet of the prior art not to be widely used, so research and develop, a kind of structure is more firm, globality better novel hollow laminated floor slab has become a kind of problem demanding prompt solution.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of hollow laminated floor slab, and this hollow laminated floor slab is without the need to formwork, crack resistance, good integrity, and efficiency of construction is high.
For achieving the above object, the utility model adopts following technical proposals:
A kind of hollow laminated floor slab, comprise precast hollow base plate, precast hollow base plate lays baseplate reinforcing bar in interval respectively along vertical, horizontal, and on precast hollow base plate, longitudinally interval is laid with elongated totally-enclosed preformed hole and semiclosed preformed hole, wears reinforcing bar in described semiclosed preformed hole; Concrete perfusion above precast hollow base plate, forms top Bars In Poured Concrete Slab, on the Bars In Poured Concrete Slab of top along and the parallel longitudinal and transverse direction of base plate be laid with and organize top rebars more in interval respectively; Integrated poured steel concrete above precast hollow base plate, forms hollow laminated floor slab.
As preferably, described baseplate reinforcing bar adopts prestressed reinforcement or interval to lay prestressed reinforcement and nonprestressed reinforcement.
As preferably, described totally-enclosed preformed hole adopts circular cross-section, and totally-enclosed preformed hole diameter is not more than semiclosed preformed hole diameter.
As preferably, the openend of described semiclosed preformed hole is concordant with the upper surface of precast hollow base plate.
As preferably, between the openend of described semiclosed preformed hole and the upper surface of precast hollow base plate, be provided with elongated groove.
A construction method for described hollow laminated floor slab, comprises the following steps:
On precast hollow base plate respectively along laying prestressed reinforcement or interval arrangement prestress reinforcing bar and nonprestressed reinforcement in vertical, horizontal;
(2) installation form, the prestressed reinforcement of stretch-draw precast hollow base plate, concreting forms precast hollow base plate;
(3) stripping, after maintenance steel concrete to 85% of design strength, cuts off the prestressed reinforcement that end is unnecessary, by the handling of precast hollow base plate to depositing place;
(4) precast hollow base plate is transported to job site, after installation, in the semiclosed preformed hole of precast hollow base plate, wears reinforcing bar, and the top rebars of colligation laminated floor slab;
(5) concreting forms hollow laminated floor slab.
A kind of hollow laminated floor slab, comprise precast hollow base plate, along vertical on precast hollow base plate, laterally baseplate reinforcing bar is laid at interval respectively, on precast hollow base plate, longitudinally interval is laid elongated totally-enclosed preformed hole and is organized rib of slab more, each group of rib of slab is split by the cavity of base plate, described rib of slab is provided with the rib of slab preformed hole for wearing reinforcing bar, steel concrete is poured into above precast hollow base plate, form top Bars In Poured Concrete Slab, indulge along parallel with base plate in the Bars In Poured Concrete Slab of top, transverse direction respectively interval laying organizes top rebars more, integrated poured concrete above precast hollow base plate, form hollow laminated floor slab.
As preferably, described baseplate reinforcing bar adopts prestressed reinforcement or interval to lay prestressed reinforcement and nonprestressed reinforcement.
As preferably, described rib of slab preformed hole is provided with two groups, and parallel arrangement is in the bottom often organizing rib of slab.
As preferably, described totally-enclosed preformed hole comprises rectangle preformed hole and circular preformed hole, and described circular preformed hole is laid in the end of described hollow base plate, described rectangle preformed hole and each group of spaced and parallel arrangement of rib of slab.
A construction method for described hollow laminated floor slab, comprises the following steps:
On precast hollow base plate respectively along laying prestressed reinforcement or interval arrangement prestress reinforcing bar and nonprestressed reinforcement in vertical, horizontal;
(2) installation form, the prestressed reinforcement of stretch-draw prefabricated panel, concreting forms precast hollow base plate;
(3) stripping, after maintenance steel concrete to 85% of design strength, cuts off the prestressed reinforcement that end is unnecessary, by the handling of precast hollow base plate to depositing place;
(4) precast hollow base plate is transported to job site, after installation, in rib of slab preformed hole, wears reinforcing bar, and the top rebars of colligation laminated floor slab;
(5) concreting forms hollow laminated floor slab.
The beneficial effects of the utility model:
1. without the need to formwork: adopt precast hollow base plate as the bed die of superimposed sheet, without the need to installation form.
2. efficiency of construction is high: only need in whole process to transport prefabricated panel and install, convenient transportation, quick for installation, greatly improves efficiency of construction.
3. cracking resistance is good: because precast hollow base plate is produced in factory, crudy is better than cast in situs; Be provided with prestressed reinforcement in base plate, improve the anti-crack ability of superimposed sheet.
4. good integrity: by reserving semiclosed hole at precast hollow slab, lays reinforcing bar, precast hollow slab is spatially merged mutually with Bars In Poured Concrete Slab, thus improves the globality of superimposed sheet.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of the embodiment 1 in the utility model;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is the use structural representation of the embodiment 1 in the utility model;
Fig. 4 is the structural profile schematic diagram of the embodiment 2 in the utility model;
Fig. 5 is B-B sectional view in Fig. 4;
The use structural representation of the embodiment 2 in Fig. 6 the utility model;
Fig. 7 is the structural profile schematic diagram of the embodiment 3 in the utility model;
Fig. 8 is the plan view of the precast hollow base plate of embodiment 3 in the utility model;
Fig. 9 is C-C sectional view in Fig. 8;
Figure 10 is D-D sectional view in Fig. 8;
Figure 11 is E-E sectional view in Fig. 8;
Figure 12 is the use structural representation of the embodiment 3 in the utility model.
Wherein 1-precast hollow base plate, 2-top Bars In Poured Concrete Slab, the semiclosed preformed hole of 3-, the totally-enclosed preformed hole of 4-, 5-baseplate reinforcing bar, reinforcing bar in 6-hole, 7-top rebars, 8-rectangular opening, 9-rib of slab, 10-rib of slab preformed hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of hollow laminated floor slab, comprise precast hollow base plate 1 and top Bars In Poured Concrete Slab 2, on hollow base plate 1, interval is laid with elongated totally-enclosed preformed hole 4 and semiclosed preformed hole 3, precast hollow base plate 1 lays baseplate reinforcing bar 5 in interval respectively along vertical, horizontal, reinforcing bar 6 in perforating in semiclosed preformed hole 3, steel concrete is poured into above hollow base plate 1, form top Bars In Poured Concrete Slab 2, top Bars In Poured Concrete Slab 2 lays many group top rebars 7 in interval respectively along vertical, horizontal, integrated poured concrete above hollow base plate 1, forms hollow laminated floor slab.
Baseplate reinforcing bar 5 adopts prestressed reinforcement or interval arrangement prestress reinforcing bar and nonprestressed reinforcement.Totally-enclosed preformed hole 4 adopts circular cross-section, and totally-enclosed preformed hole 4 is identical with semiclosed preformed hole 3 diameter.Elongated groove is provided with between the openend of semiclosed preformed hole 3 and the upper surface of precast hollow base plate 1.
A construction method for described hollow laminated floor slab, comprises the following steps:
On precast hollow base plate 1 respectively along laying prestressed reinforcement or interval arrangement prestress reinforcing bar and nonprestressed reinforcement in vertical, horizontal;
(2) installation form, the prestressed reinforcement in the hollow base plate 1 of stretch-draw, concreting forms precast hollow base plate 1;
(3) stripping, after maintenance steel concrete to 85% of design strength, cuts off the prestressed reinforcement that end is unnecessary, by precast hollow base plate 1 handling to depositing place;
(4) precast hollow base plate 1 is transported to job site, after installation, reinforcing bar 6 in perforating in the semiclosed preformed hole 3 of hollow base plate 1, and the top rebars 7 of colligation laminated floor slab;
(5) concreting forms hollow laminated floor slab.
As shown in Figure 3, the superimposed sheet thickness of slab in the present embodiment is 120mm, and precast hollow base plate 1 thickness of slab is 80mm, and the radius of preformed hole 4 is 25mm, pitch of holes 200mm, and the A/F in semiclosed hole is 30mm, and namely the width of elongated groove is 30mm.
Embodiment 2
As shown in Figure 4, Figure 5, the openend of the semiclosed preformed hole 3 in the present embodiment is concordant with the upper surface of hollow base plate 1, and the diameter of totally-enclosed preformed hole 4 is less than the diameter of semiclosed preformed hole 3.Other structures are identical with embodiment 1.
As shown in Figure 6, the superimposed sheet thickness of slab in the present embodiment is 120mm, and precast hollow base plate 1 thickness of slab is 80mm, the radius of totally-enclosed preformed hole 4 is 25mm, the radius of semiclosed preformed hole 3 is 35mm, and pitch of holes is 300mm, and preformed hole lower bottom part is 20mm apart from base plate distance.Construction method and step are with embodiment 1.
Embodiment 3
As illustrated in figures 7-11, a kind of hollow laminated floor slab, comprise precast hollow base plate 1, on hollow base plate 1, interval is laid with elongated totally-enclosed preformed hole, along vertical on precast hollow base plate 1, laterally baseplate reinforcing bar 5 is laid at interval respectively, hollow base plate 1 includes many group ribs of slab 9, often organize rib of slab 9 to be split by the cavity of base plate, the bottom of rib of slab 9 is provided with rib of slab preformed hole 10, reinforcing bar 6 in perforating on rib of slab preformed hole 10, the top concrete perfusion of hollow base plate 1, form top Bars In Poured Concrete Slab 2, along vertical on top Bars In Poured Concrete Slab 2, laterally many group top rebars 7 are laid at interval respectively, the integrated poured concrete in top of hollow base plate 1, form hollow laminated floor slab.
Baseplate reinforcing bar 5 adopts prestressed reinforcement or adopts prestressed reinforcement and nonprestressed reinforcement interval arrangement.
Rib of slab preformed hole 10 comprises two groups, and parallel arrangement is in the bottom often organizing rib of slab 9.
Totally-enclosed preformed hole comprises rectangular opening 8 and circular preformed hole 4, and circular preformed hole 4 is laid in the end of hollow base plate 1, rectangular opening 8 and each group of spaced and parallel arrangement of rib of slab 9.
A construction method for described hollow laminated floor slab, comprises the following steps:
On precast hollow base plate 1 respectively along laying prestressed reinforcement or interval arrangement prestress reinforcing bar and nonprestressed reinforcement in vertical, horizontal;
(2) installation form, the prestressed reinforcement of the hollow base plate 1 of stretch-draw, concreting forms precast hollow base plate 1;
(3) stripping, after maintenance steel concrete to 85% of design strength, cuts off the prestressed reinforcement that end is unnecessary, by precast hollow base plate 1 handling to depositing place;
(4) precast hollow base plate is transported to job site, after installation, reinforcing bar 6 in perforating in rib of slab 9 preformed hole 10, and the top rebars 7 of colligation laminated floor slab;
(5) concreting forms hollow laminated floor slab.
As shown in figure 12, the superimposed sheet thickness of slab in the present embodiment is 120mm, and prefabricated hollow-sole plate 1 thickness of slab with ribbing is 30mm, rib of slab 9 rib width 150mm, and rib height 50mm, rib spacing 200mm, rib of slab preformed hole 10 radius is 15mm.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. a hollow laminated floor slab, it is characterized in that, comprise: precast hollow base plate, precast hollow base plate lays baseplate reinforcing bar in interval respectively along vertical, horizontal, on precast hollow base plate, longitudinally interval is laid with elongated totally-enclosed preformed hole and semiclosed preformed hole, wears reinforcing bar in described semiclosed preformed hole; Concrete perfusion above precast hollow base plate, forms top Bars In Poured Concrete Slab, on the Bars In Poured Concrete Slab of top along and the parallel longitudinal and transverse direction of base plate be laid with and organize top rebars more in interval respectively; Integrated poured steel concrete above precast hollow base plate, forms hollow laminated floor slab.
2. a kind of hollow laminated floor slab as claimed in claim 1, is characterized in that, described baseplate reinforcing bar adopts prestressed reinforcement or interval to lay prestressed reinforcement and nonprestressed reinforcement.
3. a kind of hollow laminated floor slab as claimed in claim 1, is characterized in that, described totally-enclosed preformed hole adopts circular cross-section, and totally-enclosed preformed hole diameter is not more than semiclosed preformed hole diameter.
4. a kind of hollow laminated floor slab as claimed in claim 1, is characterized in that, the openend of described semiclosed preformed hole is concordant with the upper surface of precast hollow base plate.
5. a kind of hollow laminated floor slab as claimed in claim 1, is characterized in that, is provided with elongated groove between the openend of described semiclosed preformed hole and the upper surface of precast hollow base plate.
6. a hollow laminated floor slab, it is characterized in that, comprise precast hollow base plate, along vertical on precast hollow base plate, laterally baseplate reinforcing bar is laid at interval respectively, described baseplate reinforcing bar adopts prestressed reinforcement or interval to lay prestressed reinforcement and nonprestressed reinforcement, on precast hollow base plate, longitudinally interval is laid with elongated totally-enclosed preformed hole and organizes rib of slab more, each group of rib of slab is split by the cavity of precast hollow base plate, described rib of slab is provided with the rib of slab preformed hole for wearing reinforcing bar, concrete perfusion above precast hollow base plate, form top Bars In Poured Concrete Slab, indulge along parallel with base plate in the Bars In Poured Concrete Slab of top, transverse direction respectively interval laying organizes top rebars more, integrated poured steel concrete above precast hollow base plate, form hollow laminated floor slab.
7. a kind of hollow laminated floor slab as claimed in claim 6, is characterized in that, described rib of slab preformed hole is provided with two groups, and parallel arrangement is in the bottom often organizing rib of slab.
8. a kind of hollow laminated floor slab as claimed in claim 6, it is characterized in that, described totally-enclosed preformed hole comprises rectangle preformed hole and circular preformed hole, and described circular preformed hole is laid in the end of described hollow base plate, described rectangle preformed hole and each group of spaced and parallel arrangement of rib of slab.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520062708.XU CN204435638U (en) | 2015-01-29 | 2015-01-29 | A kind of hollow laminated floor slab |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520062708.XU CN204435638U (en) | 2015-01-29 | 2015-01-29 | A kind of hollow laminated floor slab |
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| CN204435638U true CN204435638U (en) | 2015-07-01 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612300A (en) * | 2015-01-29 | 2015-05-13 | 济南轨道交通集团有限公司 | Hollow composite floor slab and construction method thereof |
| CN105155855A (en) * | 2015-09-11 | 2015-12-16 | 孟凡林 | Arrangement method of short-span negative-moment reinforcing steel bars of assembled core post-grouted concrete plates |
| CN105971175A (en) * | 2016-05-17 | 2016-09-28 | 张宗楼 | Hollow laminated floor slab |
| CN106401036A (en) * | 2016-11-16 | 2017-02-15 | 浙江工业大学工程设计集团有限公司 | Assembled type steel framework prefabricated concrete floor slab structure |
| CN107313541A (en) * | 2017-08-23 | 2017-11-03 | 广东班高得绿色建工科技有限公司 | A kind of making of prefabricated assembled sandwich hollow slab and construction method |
| CN107327061A (en) * | 2017-02-13 | 2017-11-07 | 湖南诚友绿色建材科技有限公司 | A kind of prefabricated composite stalk fiber concrete hollow board |
| CN107605084A (en) * | 2017-09-17 | 2018-01-19 | 湖南诚友绿色建材科技有限公司 | A kind of pre-stress concrete cored slab with ribbing |
| CN112160478A (en) * | 2020-09-03 | 2021-01-01 | 重庆中科建设（集团）有限公司 | Non-stretching rib combined composite slab with prefabricated prestressed concrete ribs |
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2015
- 2015-01-29 CN CN201520062708.XU patent/CN204435638U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612300A (en) * | 2015-01-29 | 2015-05-13 | 济南轨道交通集团有限公司 | Hollow composite floor slab and construction method thereof |
| CN105155855A (en) * | 2015-09-11 | 2015-12-16 | 孟凡林 | Arrangement method of short-span negative-moment reinforcing steel bars of assembled core post-grouted concrete plates |
| CN105971175A (en) * | 2016-05-17 | 2016-09-28 | 张宗楼 | Hollow laminated floor slab |
| CN106401036A (en) * | 2016-11-16 | 2017-02-15 | 浙江工业大学工程设计集团有限公司 | Assembled type steel framework prefabricated concrete floor slab structure |
| CN106401036B (en) * | 2016-11-16 | 2018-10-23 | 浙江工业大学工程设计集团有限公司 | A kind of assembled steel frame prefabricated concrete floor structure |
| CN107327061A (en) * | 2017-02-13 | 2017-11-07 | 湖南诚友绿色建材科技有限公司 | A kind of prefabricated composite stalk fiber concrete hollow board |
| CN107313541A (en) * | 2017-08-23 | 2017-11-03 | 广东班高得绿色建工科技有限公司 | A kind of making of prefabricated assembled sandwich hollow slab and construction method |
| CN107605084A (en) * | 2017-09-17 | 2018-01-19 | 湖南诚友绿色建材科技有限公司 | A kind of pre-stress concrete cored slab with ribbing |
| CN112160478A (en) * | 2020-09-03 | 2021-01-01 | 重庆中科建设（集团）有限公司 | Non-stretching rib combined composite slab with prefabricated prestressed concrete ribs |
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Effective date of registration: 20200602 Address after: 250101 room 1801, 2 tower, Shun Tai Plaza, 2000 Shun Hua Road, hi tech Zone, Ji'nan, Shandong. Co-patentee after: JINAN RAIL TRANSIT GROUP Co.,Ltd. Patentee after: JINAN SHUNDA RAIL TRANSIT DESIGN Co.,Ltd. Address before: 250101 Shandong city of Ji'nan province high tech Zone (Lixia District) Shunhua Road No. 2000 Shun Tai Plaza Building 8, room 103 Patentee before: JINAN RAIL TRANSIT GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Room 1801, building 2, Shuntai Plaza, 2000 Shunhua Road, high tech Zone, Jinan City, Shandong Province, 250101 Patentee after: Shandong rail transit survey and Design Institute Co.,Ltd. Patentee after: JINAN RAIL TRANSIT GROUP Co.,Ltd. Address before: Room 1801, building 2, Shuntai Plaza, 2000 Shunhua Road, high tech Zone, Jinan City, Shandong Province, 250101 Patentee before: JINAN SHUNDA RAIL TRANSIT DESIGN Co.,Ltd. Patentee before: JINAN RAIL TRANSIT GROUP Co.,Ltd. |