CN101736838A - Superimposed and prestressed reinforced concrete precast panel with ribs - Google Patents
Superimposed and prestressed reinforced concrete precast panel with ribs Download PDFInfo
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- CN101736838A CN101736838A CN200910226761A CN200910226761A CN101736838A CN 101736838 A CN101736838 A CN 101736838A CN 200910226761 A CN200910226761 A CN 200910226761A CN 200910226761 A CN200910226761 A CN 200910226761A CN 101736838 A CN101736838 A CN 101736838A
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Abstract
The invention discloses a superimposed and prestressed reinforced concrete precast panel with ribs, comprising precast blocks, cast-in-place concrete and reinforcing steel bars. The superimposed and prestressed reinforced concrete precast panel is characterized in that both ends of the superimposed and prestressed reinforced concrete precast panel with the ribs are cast by the cast-in-place concrete. The making method of the superimposed and prestressed reinforced concrete precast panel with ribs comprises the following steps of: (1) firstly, precasting the precast blocks with longitudinal ribs; (2) putting the precast blocks on a template in order, placing the reinforcing steel bars on bottom panels of the put precast blocks and in longitudinal rib grooves or longitudinal rib through holes, binding the transverse reinforcing steel bars on the bottom panels and stretching the longitudinal reinforcing steel bars on the bottom panels, applying prestressed force and then casting the concrete in the template and the longitudinal rib grooves or longitudinal rib through holes; and (3) loosening the prestressed reinforcing steel bars after the post-cast concrete achieves certain strength to form the superimposed and prestressed reinforced concrete precast panel with the ribs. By adopting the making method of the superimposed and prestressed reinforced concrete precast panel with the ribs, because the precast blocks are firstly precast and the precast blocks and the cast-in-place concrete are integrated in a superimposing process, good cohesiveness exists between the precast blocks and the cast-in-place concrete so that precast panel has strong integration, and the precast blocks can be cast or formed by extrusion in a mould in batch so that the precast panel has simple making procedure.
Description
Technical field:
The present invention relates to the realm of building construction, specifically refer to a kind of laminated prestressed reinforced concrete precast slab with ribbing.
Background technology:
The floor spiced by steel reinforced concrete that adopts can bear bidirectional load at present, and good integrity does not need on-the-spot formwork, and cost is low, and lifting, transportation are easily.Floor spiced precast member for reinforcing bar concrete is used Ribbed Bar concrete prefabricated structural board (03227765.2) usually, both sides have hole under this Ribbed Bar concrete prefabricated element longitudinal rib, when floor spiced, reinforcing bar is passed the hole of both sides under the prefabricated units longitudinal rib, connect the polylith reinforced concrete prefabricated structural board, make the crisscross layout of reinforcing bar, in the groove that prefabricated units form, load concrete, form floor spiced, this floor have cost low, make easily, advantage such as good integrity.But the making of this precast member board with ribbing is very loaded down with trivial details, mainly be to adorn side form in the longitudinal rib both sides because both sides have building of hole longitudinal rib, the both sides hole also need be adorned mould, put base plate reinforcing bar, longitudinal rib reinforcing bar, concreting then, the module form removal difficulty in complex procedures and aperture, increased engineering time and difficulty of construction, efficiency of construction is low.
Summary of the invention:
The object of the present invention is to provide the laminated prestressed reinforced concrete precast slab with ribbing that a kind of production process is simple, reduce difficulty of construction, saving engineering time, raising efficiency of construction.
The object of the present invention is to provide a kind of laminated prestressed reinforced concrete precast slab with ribbing, comprise prefabricated section, cast-in-situ concrete, reinforcing bar.It is characterized in that: the two ends of laminated prestressed reinforced concrete precast slab with ribbing are formed by the cast-in-situ concrete cast.Because the two ends of laminated prestressed reinforced concrete precast slab with ribbing are built by cast-in-situ concrete and are formed, the baseboard prestress reinforcing bar can be good at being mounted in the cast-in-situ concrete of two ends, can well bond the good integrity of precast plate between prefabricated section, cast-in-situ concrete and the reinforcing bar.
Feature of the present invention is that also the prefabricated section of laminated prestressed reinforced concrete precast slab with ribbing and cast-in-situ concrete are spaced apart.Because prefabricated section and cast-in-situ concrete are spaced apart, prefabricated section, reinforcing bar and cast-in-situ concrete can well bond, the good integrity of precast plate.
The object of the present invention is achieved like this, a kind of laminated prestressed reinforced concrete precast slab with ribbing comprises prefabricated section, cast-in-situ concrete, reinforcing bar.The preparation method of laminated prestressed reinforced concrete precast slab with ribbing comprises the steps: that (1) earlier will be prefabricated with the prefabricated section of vertical rib; (2) on template, prefabricated section is put neatly, reinforcing bar is placed in the base plate and vertical costal fovea groove or vertical rib through hole of the prefabricated section of putting colligation base plate transverse reinforcement, stretch-draw base plate longitudinal reinforcement, apply prestressing force, concreting in template and in vertical costal fovea groove or the vertical rib through hole; (3) after the back pouring concrete reaches certain intensity, loosen prestressed reinforcement, form laminated prestressed reinforced concrete precast slab with ribbing.The preparation method of this laminated prestressed reinforced concrete precast slab with ribbing, because it is earlier that prefabricated section is prefabricated, in lamination process, form integral body by prefabricated section and cast-in-situ concrete, caking property between prefabricated section and the cast-in-situ concrete is good, the globality of precast plate is strong, prefabricated section can be built in batch in fixing mould and be made or extrusion modling, and production process is simple.
Feature of the present invention also is on the vertical rib of prefabricated section jagged.When making laminated prestressed reinforced concrete precast slab with ribbing, the breach on the vertical rib of prefabricated section can be formed directly in both sides hole under the vertical rib of precast plate, and the making of hole is simple, convenient.When floor spiced, now wear the hole that transverse reinforcement passes both sides under the vertical rib of precast plate, connect polylith laminated prestressed reinforced concrete precast slab with ribbing, cast-in-situ concrete becomes whole floor.
Feature of the present invention also is on the vertical rib of prefabricated section longitudinal fluting or longitudinal hole are arranged.Owing on the vertical rib longitudinal fluting or longitudinal hole are arranged, can be used for placing reinforcing bar with longitudinal ribs, concreting.Prefabricated section, reinforcing bar with longitudinal ribs, cast-in-situ concrete can be good at the build-in that bonds, and have solved the intensity and the collaborative work of prefabricated section and cast-in-situ concrete combination interface preferably, and stress performance, the overall performance of precast plate are higher.
Feature of the present invention also is on the prefabricated section base plate longitudinal fluting is arranged.Owing on the base plate longitudinal fluting is arranged, can be used for placing base plate longitudinal reinforcement, concreting.The longitudinal fluting on the base plate simultaneously can improve the rigidity of prefabricated section base plate, and at stretch-draw base plate reinforcing bar, when fluid concrete forms laminated prestressed reinforced concrete precast slab with ribbing, base plate crack or antiarch can not occur.Bottom plate groove has increased the bond area between prefabricated section base plate and the cast-in-situ concrete, prefabricated section, base plate reinforcing bar, cast-in-situ concrete can be good at the build-in that bonds, improved intensity and the collaborative work of prefabricated section with back pouring concrete combination interface, stress performance, the overall performance of precast plate are higher.
Feature of the present invention also is on the base plate of prefabricated section vertical limit projection is arranged.Owing on the base plate limit projection is arranged, form groove between two projections, concrete directly can be cast in the groove, need not support side form.The limit projection has increased the bond area between prefabricated section and the cast-in-situ concrete simultaneously, bonding, the build-in of prefabricated section between prestressed reinforcement effect and cast-in-situ concrete is better, solved the bond strength and the collaborative work of the combination interface between prefabricated section and the cast-in-situ concrete preferably, stress performance, the overall performance of precast plate are higher.
Feature of the present invention is that also the vertical rib of prefabricated section is T shape or rectangle.Vertical rib can increase the intensity of precast plate, improves the overall performance of precast plate.The vertical rib of T shape has bigger rigidity, can prevent the antiarch of base plate under the prestressed reinforcement effect, has improved effective conversion height of precast plate.When being assembled into whole floor, between precast plate and the cast-in-situ concrete overlapping layers bond strength and the collaborative work of combination interface better, stress performance, the overall performance of floor are higher.
Feature of the present invention is that also the vertical rib of prefabricated section is single rib or many ribs.Many ribs can further improve the strength and stiffness of precast plate, and the making of being convenient to the large span precast plate is used.When assembly unit integral body floor, many ribs can strengthen bonding and the build-in between precast plate and the cast-in-situ concrete overlapping layers, and stress performance, the overall performance of floor are higher.
Feature of the present invention is that also the reinforcing bar of laminated prestressed reinforced concrete precast slab with ribbing has prestressed reinforcement, nonprestressed reinforcement.Reinforcing bar with longitudinal ribs is prestressed reinforcement or nonprestressed reinforcement, and the base plate longitudinal reinforcement is a prestressed reinforcement, and the base plate transverse reinforcement is a nonprestressed reinforcement.Reinforcing bar can improve bending resistance, the shear behavior of precast plate, strengthens the bonding between the prefabricated section, prevents the crack.
Description of drawings:
Fig. 1 is prefabricated section 1 structural representation, and 5 are vertical rib, and 8 are vertical rib longitudinal hole, and 9 is base plate, and 11 is base plate limit projection.Shown in Figure 1, on the vertical rib longitudinal hole 8 is arranged.
Fig. 2 is another embodiment of prefabricated section, on the vertical rib longitudinal fluting 7 is arranged, and longitudinal fluting 10 is arranged on the base plate.
Fig. 3 is another embodiment of prefabricated section, on the vertical rib jagged 6 and longitudinal hole 8.
Fig. 4 is a T shape rib prefabricated section structural representation, on the vertical rib longitudinal fluting 7 is arranged, and longitudinal fluting 10 is arranged on the base plate.
Fig. 5 is the two rib prefabricated section structural representations of rectangle, on the vertical rib jagged 6 and longitudinal hole 8, longitudinal fluting 10 is arranged on the base plate.
Fig. 6 is prefabricated section, reinforcement placement schematic diagram, and prefabricated section arranges that at interval 3 is the baseboard prestress muscle, and 4 is the base plate transverse reinforcement.
Fig. 7 forms the laminated prestressed reinforced concrete precast slab structural representation for Fig. 6, and prefabricated section and cast-in-situ concrete arrange that at interval the precast plate two ends are cast-in-situ concrete.
Fig. 8 is prefabricated section, another embodiment of reinforcement placement, and prefabricated section arranges that at interval 3 is the baseboard prestress muscle, and 4 is the base plate transverse reinforcement.
Fig. 9 forms the laminated prestressed reinforced concrete precast slab structural representation for Fig. 8, and prefabricated section and cast-in-situ concrete arrange that at interval the precast plate two ends are cast-in-situ concrete.
Figure 10 is prefabricated section, another embodiment of reinforcement placement, and prefabricated section links to each other, and it is the baseboard prestress muscle that the vertical rib of precast plate forms both sides hole 12,3 down, and 4 is the base plate transverse reinforcement.
Figure 11 forms the laminated prestressed reinforced concrete precast slab structural representation for Figure 10, and prefabricated section links to each other, and the vertical rib of precast plate forms both sides hole 12 down, and the precast plate two ends are cast-in-situ concrete.
Figure 12 is T shape rib prefabricated section, another embodiment of reinforcement placement, and prefabricated section is arranged at interval.
Figure 13 forms T shape rib laminated prestressed reinforced concrete precast slab structural representation for Figure 12, and prefabricated section is arranged at interval.
Figure 14 is the two rib prefabricated sections of rectangle, another embodiment of reinforcement placement, and it is the baseboard prestress muscle that the vertical rib of precast plate forms both sides hole 12,3 down, and 4 is the base plate transverse reinforcement.
Figure 15 forms the two rib laminated prestressed reinforced concrete precast slab structural representations of rectangle for Figure 14, and the vertical rib of precast plate forms both sides hole 12 down, and precast plate two ends and middle part are cast-in-situ concrete.
The specific embodiment:
The present invention as shown in drawings, a kind of laminated prestressed reinforced concrete precast slab with ribbing comprises prefabricated section 1, cast-in-situ concrete 2, reinforcing bar 3.It is characterized in that: the two ends of laminated prestressed reinforced concrete precast slab with ribbing are built by cast-in-situ concrete and are formed.Fig. 1-Fig. 5 is prefabricated section 1 structural representation, and 5 are vertical rib, and 6 are vertical rib breach, and 7 are vertical costal fovea groove, and 8 are vertical rib longitudinal hole, and 9 is base plate, and 10 is bottom plate groove, and 11 is base plate limit projection, and 12 are both sides hole under the vertical rib.In other accompanying drawings, to number identically, its explanation is identical.Shown in Figure 1, on the vertical rib 5 longitudinal hole 8 is arranged, limit projection 11 is arranged on the base plate.Shown in Figure 2, on the vertical rib 5 longitudinal fluting 7 is arranged, on the base plate fluted 10.
Feature of the present invention is that also the prefabricated section 1 of laminated prestressed reinforced concrete precast slab with ribbing and cast-in-situ concrete 2 are spaced apart.
Feature of the present invention also is on the vertical rib 5 of prefabricated section jagged 6.Shown in Figure 3, on the vertical rib 5 jagged 6.
Feature of the present invention also is on the vertical rib 5 of prefabricated section 1 longitudinal fluting 7 or longitudinal hole 8 are arranged.
Feature of the present invention is that also longitudinal fluting 10 is arranged on the prefabricated section base plate 9.
Feature of the present invention is that also the base plate 9 of prefabricated section is provided with vertical limit projection 11.
Feature of the present invention is that also the vertical rib 5 of prefabricated section is T shape or rectangle.Shown in Figure 4, vertical rib is a T shape.
Feature of the present invention is that also the vertical rib 5 of prefabricated section is single rib or many ribs.Shown in Figure 5, the vertical rib 5 of prefabricated section is the two ribs of rectangle.
Feature of the present invention is that also the reinforcing bar of laminated prestressed reinforced concrete precast slab with ribbing has prestressed reinforcement, nonprestressed reinforcement.
The object of the present invention is achieved like this, a kind of laminated prestressed reinforced concrete precast slab with ribbing comprises prefabricated section, cast-in-situ concrete, reinforcing bar.The preparation method of laminated prestressed reinforced concrete precast slab with ribbing comprises the steps: that (1) earlier will be prefabricated with the prefabricated section of vertical rib; (2) on template, prefabricated section is put neatly, reinforcing bar is placed in the base plate and vertical costal fovea groove or vertical rib through hole of the prefabricated section of putting colligation base plate transverse reinforcement, stretch-draw base plate longitudinal reinforcement, apply prestressing force, concreting in template and in vertical costal fovea groove or the vertical rib through hole; (3) after the back pouring concrete reaches certain intensity, loosen prestressed reinforcement, form laminated prestressed reinforced concrete precast slab with ribbing.Fig. 6 is prefabricated section, reinforcement placement schematic diagram, and prefabricated section arranges that at interval 3 is the baseboard prestress muscle, and 4 is the base plate nonprestressed reinforcement.
Fig. 7 forms the laminated prestressed reinforced concrete precast slab structural representation for Fig. 6, and prefabricated section and cast-in-situ concrete arrange that at interval the precast plate two ends are cast-in-situ concrete.
Fig. 8 is prefabricated section, reinforcement placement schematic diagram, and prefabricated section arranges that at interval 3 is the baseboard prestress muscle, and 4 is the base plate transverse reinforcement.
Fig. 9 forms the laminated prestressed reinforced concrete precast slab structural representation for Fig. 8, and prefabricated section and cast-in-situ concrete arrange that at interval the precast plate two ends are cast-in-situ concrete.
Figure 10 is prefabricated section, reinforcement placement schematic diagram, and prefabricated section links to each other, and it is the baseboard prestress muscle that the vertical rib of precast plate forms both sides hole 12,3 down, and 4 is the base plate transverse reinforcement.
Figure 11 forms the laminated prestressed reinforced concrete precast slab structural representation for Figure 10, and prefabricated section links to each other, and the vertical rib of precast plate forms both sides hole 12 down, and the precast plate two ends are cast-in-situ concrete.
Figure 12 is T shape rib prefabricated section, reinforcement placement schematic diagram, and prefabricated section is arranged at interval.
Figure 13 forms T shape rib laminated prestressed reinforced concrete precast slab structural representation for Figure 12, and prefabricated section is arranged at interval.
Figure 14 is the two rib prefabricated sections of rectangle, reinforcement placement schematic diagram, and it is the baseboard prestress muscle that the vertical rib of precast plate forms both sides hole 12,3 down, and 4 is the base plate transverse reinforcement.
Figure 15 forms the two rib laminated prestressed reinforced concrete precast slab structural representations of rectangle for Figure 14, and the vertical rib of precast plate forms both sides hole 12 down, and precast plate two ends and middle part are cast-in-situ concrete.
Claims (10)
1. a laminated prestressed reinforced concrete precast slab with ribbing comprises prefabricated section, cast-in-situ concrete, reinforcing bar.It is characterized in that: the two ends of laminated prestressed reinforced concrete precast slab with ribbing are built by cast-in-situ concrete and are formed.
2. laminated prestressed reinforced concrete precast slab with ribbing according to claim 1 is characterized in that: the prefabricated section and the cast-in-situ concrete of laminated prestressed reinforced concrete precast slab with ribbing are spaced apart.
3. a laminated prestressed reinforced concrete precast slab with ribbing comprises prefabricated section, cast-in-situ concrete, reinforcing bar.Its preparation method comprises the steps: that (1) earlier will be prefabricated with the prefabricated section of vertical rib; (2) on template, prefabricated section is put neatly, reinforcing bar is placed in the base plate and vertical costal fovea groove or vertical rib through hole of the prefabricated section of putting colligation base plate transverse reinforcement, stretch-draw base plate longitudinal reinforcement, apply prestressing force, concreting in template and in vertical costal fovea groove or the vertical rib through hole; (3) after the back pouring concrete reaches certain intensity, loosen prestressed reinforcement, form laminated prestressed reinforced concrete precast slab with ribbing.
4. laminated prestressed reinforced concrete precast slab with ribbing according to claim 1 is characterized in that: jagged on the vertical rib of prefabricated section.
5. laminated prestressed reinforced concrete precast slab with ribbing according to claim 1 is characterized in that: on the vertical rib of prefabricated section longitudinal fluting or longitudinal hole are arranged.
6. laminated prestressed reinforced concrete precast slab with ribbing according to claim 1 is characterized in that: on the base plate of prefabricated section longitudinal fluting is arranged.
7. laminated prestressed reinforced concrete precast slab with ribbing according to claim 1 is characterized in that: vertical limit projection is arranged on the base plate of prefabricated section.
8. laminated prestressed reinforced concrete precast slab with ribbing according to claim 1 is characterized in that: the vertical rib of prefabricated section is T shape or rectangle.
9. laminated prestressed reinforced concrete precast slab with ribbing according to claim 1 is characterized in that: the vertical rib of prefabricated section is single rib or many ribs.
10. laminated prestressed reinforced concrete precast slab with ribbing according to claim 1 is characterized in that: the reinforcing bar of laminated prestressed reinforced concrete precast slab with ribbing has prestressed reinforcement, nonprestressed reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102267618A CN101736838B (en) | 2009-12-29 | 2009-12-29 | Manufacture method of superimposed and prestressed reinforced concrete precast panel with ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102267618A CN101736838B (en) | 2009-12-29 | 2009-12-29 | Manufacture method of superimposed and prestressed reinforced concrete precast panel with ribs |
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| Publication Number | Publication Date |
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| CN101736838A true CN101736838A (en) | 2010-06-16 |
| CN101736838B CN101736838B (en) | 2011-09-28 |
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| CN2009102267618A Expired - Fee Related CN101736838B (en) | 2009-12-29 | 2009-12-29 | Manufacture method of superimposed and prestressed reinforced concrete precast panel with ribs |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002998A (en) * | 2010-10-26 | 2011-04-06 | 吴方伯 | Ribbed reinforced concrete prefabricated member slab |
| CN105926843A (en) * | 2016-06-29 | 2016-09-07 | 河北晶通建筑科技有限公司 | Ribbed prestressed thin plate as well as casting mold and casting method thereof |
| CN106149961A (en) * | 2015-04-22 | 2016-11-23 | 辽宁易筑建筑材料有限公司 | A kind of mechanical-moulded dry concrete base plate and preparation method thereof |
| CN106368365A (en) * | 2016-11-16 | 2017-02-01 | 沈阳建筑大学 | Through bar type concrete composite floor slab structure and manufacturing and assembling method thereof |
| CN107313787A (en) * | 2017-07-12 | 2017-11-03 | 济南城建集团有限公司 | A kind of tunnel lining trolley end mould and construction method |
| CN111411739A (en) * | 2019-01-04 | 2020-07-14 | 中国京冶工程技术有限公司 | Assembly type high-ductility cement sleeve cast-in-place concrete combined column free of mold disassembly |
| 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 |
| CN112171884A (en) * | 2020-09-02 | 2021-01-05 | 中国建筑上海设计研究院有限公司 | Prefabricated ribbed concrete composite slab and preparation method thereof |
| CN114575512A (en) * | 2022-02-23 | 2022-06-03 | 深圳市鹏翔建筑科技有限公司 | Prefabricated concrete corrugated plate with transverse holes |
| CN114603701A (en) * | 2022-04-13 | 2022-06-10 | 武汉市华江幸福装配式建筑有限公司 | Production and processing method of green prestressed laminated slab |
-
2009
- 2009-12-29 CN CN2009102267618A patent/CN101736838B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002998A (en) * | 2010-10-26 | 2011-04-06 | 吴方伯 | Ribbed reinforced concrete prefabricated member slab |
| CN106149961A (en) * | 2015-04-22 | 2016-11-23 | 辽宁易筑建筑材料有限公司 | A kind of mechanical-moulded dry concrete base plate and preparation method thereof |
| CN106149961B (en) * | 2015-04-22 | 2019-03-29 | 辽宁易筑建筑材料有限公司 | A kind of mechanical-moulded dry concrete bottom plate and preparation method thereof |
| CN105926843A (en) * | 2016-06-29 | 2016-09-07 | 河北晶通建筑科技有限公司 | Ribbed prestressed thin plate as well as casting mold and casting method thereof |
| CN106368365A (en) * | 2016-11-16 | 2017-02-01 | 沈阳建筑大学 | Through bar type concrete composite floor slab structure and manufacturing and assembling method thereof |
| CN107313787A (en) * | 2017-07-12 | 2017-11-03 | 济南城建集团有限公司 | A kind of tunnel lining trolley end mould and construction method |
| CN107313787B (en) * | 2017-07-12 | 2024-02-06 | 济南城建集团有限公司 | Tunnel lining trolley end die and construction method |
| CN111411739A (en) * | 2019-01-04 | 2020-07-14 | 中国京冶工程技术有限公司 | Assembly type high-ductility cement sleeve cast-in-place concrete combined column free of mold disassembly |
| CN112171884A (en) * | 2020-09-02 | 2021-01-05 | 中国建筑上海设计研究院有限公司 | Prefabricated ribbed concrete composite slab and preparation method thereof |
| 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 |
| CN114575512A (en) * | 2022-02-23 | 2022-06-03 | 深圳市鹏翔建筑科技有限公司 | Prefabricated concrete corrugated plate with transverse holes |
| CN114603701A (en) * | 2022-04-13 | 2022-06-10 | 武汉市华江幸福装配式建筑有限公司 | Production and processing method of green prestressed laminated slab |
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| CN101736838B (en) | 2011-09-28 |
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Granted publication date: 20110928 Termination date: 20201229 |