CN204081245U - A kind of double prestressed concrete precast hollow slab - Google Patents
A kind of double prestressed concrete precast hollow slab Download PDFInfo
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- CN204081245U CN204081245U CN201420486403.7U CN201420486403U CN204081245U CN 204081245 U CN204081245 U CN 204081245U CN 201420486403 U CN201420486403 U CN 201420486403U CN 204081245 U CN204081245 U CN 204081245U
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Abstract
The utility model discloses a kind of double prestressed concrete precast hollow slab, comprise transverse holes prestressed concrete precast hollow slab and longitudinal hole prestressed concrete precast hollow slab, it is characterized in that: described transverse holes prestressed concrete precast hollow slab comprises top panel, lower panel, longitudinal rib, cross rib, end rib and build to be integrated and make the hollow plate body of transverse holes; On the hollow plate body of described transverse holes, horizontally set is porose; The hollow plate body of described transverse holes is provided with bellows; Described longitudinal hole prestressed concrete precast hollow slab comprises top panel, lower panel, longitudinal rib, limit rib, end rib, cross rib and build to be integrated and make the hollow plate body of longitudinal hole, and the hollow plate body of longitudinal hole is arranged porose, hole is parallel with longitudinal rib.The utility model has rational structural robustness, and the presstressed reinforcing steel of vertical, horizontal constitutes reliable pull bar system, provides clear and definite load path, enhances the continuity of structure, ductility and resistance to overturning.
Description
Technical field
The utility model relates to a kind of double prestressed concrete precast hollow slab.
Background technology
China's Urbanization Construction is fast-developing, and construction scope ranks first in the world.Current, industrialization of construction industry is extremely urgent, and builing industry green construction transition, energy-saving and emission-reduction in building course, manufacture the precast hollow slab with superior structural performance, extremely need in order to build assembled architecture.
The prestressed concrete circular hole slab of China, due to its poor seismic behavior, is just out of use after Tangshan Earthquake.Yugoslavic " IMS " system is assembled integral sheet-pile building, anti-seismic performance is good, but also there is the problem being worth thinking deeply again: 1, the code of building design of China is to sheet-pile-shear wall structure system specifies: seismic fortification intensity is 8 degree of area limit for height 30m, 9 degree of areas should not adopt, and range of application is restricted; 2, floor be ordinary reinforced concrete, rectangle and have bayonet socket, heavier, manufacture transport inconvenience; 3, floor is only stuck on post in angle place, especially the slab-column connections opposing earthquake of corner post and the torsion capacity of horizontal loading poor; 4, the degree of prestressing of floor plates face entirety is on the low side.5, sheet-pile installs rear filled wall, connects poor.About 300,000 m are promoted
2, the production of failing to be formed scale just left alone without help descend.Introduced 18 SP pre-stress hollow board assembly lines from the U.S., its automaticity is applauded, although its performance we for which increasing a little construction measure, still there is following problem:
(1), due to production technology, cannot stirrup be configured, bear the poor-performing of shearing;
(2), without transverse reinforcement, two ends, both sides all without stretching out reinforcing bar, only by " spacer function of hollowcore slab system ", be difficult to the design principles meeting " the weak component of strong ties ";
, end without the spiral bar of confined concrete or steel fabric sheet, again because the more high-prestressed transmission length of compressive pre-stress value is shorter, stress is highly concentrated in end hole rib place, easily causes end splitting crack and the longitudinal splitting crack along hole wall;
(4), rigidity is little, antiarch is large, and globality is poor;
, freely-supported single load bearing, when floor load skewness is symmetrical in center line, can moment of torsion be produced but not bear the transverse reinforcement of this stress, Shear transfer transverse bending moment is born by locked groove, can not form effective pull bar system, there is no strong alternative route, be difficult to avoid chain destruction.
In the urgent need to innovating the development of a kind of new precast hollow slab technology humanized.
Utility model content
For solving the problem in background technology, the utility model provides one to have rational structural robustness, the presstressed reinforcing steel of vertical, horizontal constitutes reliable pull bar system, provide clear and definite load path, enhance the continuity of structure, ductility and resistance to overturning, supporting capacity is strong, cracking resistance good, double prestressed concrete precast hollow slab that span is large.
The technical solution of the utility model is:
A kind of double prestressed concrete precast hollow slab, comprise longitudinal hole prestressed concrete precast hollow slab and transverse holes prestressed concrete precast hollow slab, it is characterized in that: described transverse holes prestressed concrete precast hollow slab comprises top panel, lower panel, longitudinal rib, cross rib, end rib and build to be integrated and make the hollow plate body of transverse holes; On the hollow plate body of described transverse holes, horizontally set is porose, and is arranged in the both sides of longitudinal rib symmetrically and evenly; Described cross rib is boxed out or is buried people's bellows in the cross rib of 1m ~ 2m; Have prestress wire, cage of reinforcement in described longitudinal rib, have upper strata steel fabric sheet in top panel, lower panel Nei You lower floor steel fabric sheet, has end anchorage muscle in end rib; Described longitudinal hole prestressed concrete precast hollow slab comprises top panel, lower panel, longitudinal rib, limit rib, end rib, cross rib and build to be integrated and make the hollow plate body of longitudinal hole, the hollow plate body of longitudinal hole is arranged porose, hole is parallel with longitudinal rib, is uniformly distributed therebetween; Box out in described cross rib or bury people's bellows; There is prestress wire in longitudinal rib, in longitudinal rib, have transverse reinforcement, in end rib, have steel fabric sheet, end anchorage muscle.
The utility model additionally provides a kind of production line of double prestressed concrete precast hollow slab, it is characterized in that: comprise operation ground, and ground is equipped with track in operation, and is respectively arranged with stretching bed seat at the two ends of track; One end of described stretching bed seat is stretching end, is provided with oil pump, jack and fixture, and the other end is fixed end, arranges fixture; Described track overhead is provided with crane, and runs transverse holes forming machine in orbit or longitudinal hole forming machine.
As a kind of technical scheme of optimization, described transverse holes forming machine comprises base, and floor installation in orbit and base is symmetrically arranged with column, is provided with jacking mechanism, shaped device between column; Described base is provided with the feed arrangement corresponding with shaped device; Described base is provided with switch board and hydraulic power unit, hydraulic power unit connects jacking mechanism, shaped device and feed arrangement.
As a kind of technical scheme of optimization, described shaped device comprises the workbench be arranged on base, and the both sides of workbench are respectively arranged with hollow module, and the arranged outside of hollow module has advance and retreat device, and advance and retreat device connects hydraulic power unit; Described advance and retreat device and hollow module adjust bracket and the adjusting nut corresponding with adjustment bracket with being provided with between base.
As a kind of technical scheme of optimization, described jacking mechanism comprises and to be arranged between column and to connect the jack of increased pressure board straight down, and increased pressure board coordinates workbench.Described jack connects hydraulic power unit, realizes increased pressure board moving up and down along column by fairlead.
As a kind of technical scheme of optimization, described feed arrangement comprises hopper, is arranged on blanking groove below hopper and corresponding with workbench and the blanking propeller corresponding with blanking groove, and described blanking propeller connects hydraulic power unit.
As a kind of technical scheme of optimization, described longitudinal hole forming machine comprises support, and support installing in orbit; The upper end of described support is provided with hopper, and the below of hopper is provided with mould plate, and mould plate is provided with vibrating-forming device; Described support is provided with weight equalizer block and control cabinet, control cabinet controls whole operation process of forming machine.Control cabinet is provided with the operation panel of multiple control buttons together with button, and the bottom of support is provided with road wheel.
As a kind of technical scheme of optimization, described vibrating-forming device comprises several hollow molds be arranged in mould plate, is provided with high-frequency vibration rod in hollow mold, described support is provided with vibrations headstock, and vibrations headstock connects high-frequency vibration rod; Described vibrations headstock is controlled by control cabinet; The two ends of described hollow mold are respectively arranged with plate and blind patch.
Owing to have employed technique scheme, compared with prior art, the beneficial effects of the utility model are:
1, the utility model has rational structural robustness, and the presstressed reinforcing steel of vertical, horizontal constitutes reliable pull bar system, provides clear and definite load path, enhances the continuity of structure, ductility and resistance to overturning.The present invention with strong ties, weak component for criterion, structure can be made to take notice of external load operative condition under, structure should not produce disproportionately with its reason to collapse, topple, chain destruction.
2, the utility model is compared with similar precast plate, breaches the application bottleneck of U.S. SP prestressed cored slab structural system, has developed IMS building system, filled up its weak point.
3, the utility model supporting capacity is strong, cracking resistance good, span is large, application architectural space is separated flexibly.
4, the utility model saves template, steel using amount is few, lightweight, waste gas waste sludge discharge is few, it is fast to build, cost is low, and applied range, meets the requirement of green construction.
5, the distinctive hole shape of the utility model, has the good performance of larger hollow rate.
6, the utility model completes integrated prestress assembling frame while manufacture two dimension prestressing hollowcore slab, the node three dimension stress of this framework, meet the shockproof requirements of strong column and weak beam, strong node, open up the new route of prestressed reinforced concrete construction suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of transverse holes prestressed concrete precast hollow slab in a kind of embodiment of the utility model;
Fig. 2 is the perspective view of transverse holes prestressed concrete precast hollow slab in a kind of embodiment of the utility model;
Fig. 3 is the cross section structure schematic diagram of longitudinal hole prestressed concrete precast hollow slab in a kind of embodiment of the utility model;
Fig. 4 is the perspective view of longitudinal hole prestressed concrete precast hollow slab in a kind of embodiment of the utility model;
Fig. 5 is the layout plan of transverse holes prestressed concrete precast hollow board assembly line in a kind of embodiment of the utility model;
Fig. 6 is the structural representation of transverse holes prestressed concrete precast hollow panel moulding apparatus in a kind of embodiment of the utility model;
Fig. 7 is the A-A view of Fig. 6;
Fig. 8 is the B-B view of Fig. 6;
Fig. 9 is the layout plan of longitudinal hole prestressed concrete precast hollow board assembly line in a kind of embodiment of the utility model;
Figure 10 is the structural representation of longitudinal hole prestressed concrete precast hollow panel moulding apparatus in a kind of embodiment of the utility model;
Figure 11 is the A-A view of Figure 10.
Detailed description of the invention
Embodiment
As shown in figs. 1-11, a kind of double prestressed concrete precast hollow slab, comprises transverse holes prestressed concrete precast hollow slab 11 and longitudinal hole prestressed concrete precast hollow slab 12.Described transverse holes prestressed concrete precast hollow slab 11 comprises top panel 1101, lower panel 1102, longitudinal rib 1103, cross rib 1104, end rib 1105 and build to be integrated and make the hollow plate body of transverse holes.Horizontally set porose 1106 on the hollow plate body of described transverse holes, and be arranged in the both sides of longitudinal rib 1103 symmetrically and evenly.Described cross rib 1104, boxes out or buries people's bellows 1107 in the cross rib of 1m ~ 2m.Have prestress wire 1108, cage of reinforcement 11010 in described longitudinal rib 1103, have upper strata steel fabric sheet 1109 in top panel, lower panel Nei You lower floor steel fabric sheet 11011, has end anchorage muscle 11012 in end rib.
Described longitudinal hole prestressed concrete precast hollow slab comprises top panel 1201, lower panel 1202, longitudinal rib 1203, limit rib 1204, end rib 1205, cross rib 1206 and build to be integrated and make the hollow plate body of longitudinal hole.The hollow plate body of longitudinal hole arranges porose 1209, and hole 1209 is parallel with longitudinal rib 1203, is uniformly distributed therebetween.Box out in described cross rib 1206 or bury people's bellows 1207; There is prestress wire 1208 in longitudinal rib 1203, in longitudinal rib 1203, have transverse reinforcement 12010, in end rib, have steel fabric sheet 12011, end anchorage muscle 12012.
The utility model additionally provides a kind of production line of double prestressed concrete precast hollow slab, comprises operation ground 3, operation ground 3 is equipped with track 2, and is respectively arranged with stretching bed seat 1 in the both sides of track 2.One end of described stretching bed seat 1 is stretching end, and be provided with oil pump 4, jack 5 and fixture 6, the other end is fixed end, arranges fixture 6.Described track 2 is provided with crane 7, and transverse holes forming machine 8 in orbit or longitudinal hole forming machine 9 are set.
In the present embodiment, described transverse holes forming machine comprises base 8015, and base 8015 to be arranged on track 2 and base to be symmetrically arranged with column 803, and be provided with jacking mechanism between column 803, column is arranged with shaped device.Described base 8015 is provided with the feed arrangement corresponding with shaped device.Described base 8015 is provided with switch board 8017 and hydraulic power unit 8016, hydraulic power unit 8016 connects jacking mechanism, shaped device and feed arrangement.
Described shaped device comprises the workbench 8012 be arranged on base, and the both sides of workbench 8012 are respectively arranged with air module 808, and the arranged outside of air module 808 has advance and retreat device 809, and advance and retreat device 809 connects hydraulic power unit 8016.Described advance and retreat device 809 and being provided with between air module 808 with base 8015 adjusts bracket 8013 and the adjusting nut 8014 corresponding with adjustment bracket.
Described jacking mechanism comprises and to be arranged between column 803 and to connect the jack 804 of increased pressure board 806 straight down, and increased pressure board 806 coordinates workbench 8012.Described jack 804 connects hydraulic power unit 8016.Increased pressure board moving up and down along column is realized by fairlead 807.
Described feed arrangement comprises hopper 802, is arranged on blanking groove 805 below hopper 802 and corresponding with workbench and the blanking propeller 801 corresponding with blanking groove 805, and described blanking propeller 801 connects hydraulic power unit 8016.
Column 803 arranges beam 8010, serves good fixation.The bottom of base 8015 is provided with road wheel 8011.Switch board 8017 is provided with by the operation panel 8018 of multiple control button together with button.
In the present embodiment, described longitudinal hole forming machine comprises support 901, and support 901 is arranged on track 2.The upper end of described support is provided with hopper 902, and the below of hopper 902 is provided with mould plate 903, mould plate 903 is provided with vibrations plate device.Described support 901 is provided with weight equalizer block 909 and control cabinet 9010, control cabinet 9010 connects vibrations plate device.Control cabinet 9010 is provided with the operation panel 9011 of multiple control button together with button, and the bottom of support 901 is provided with road wheel 906.
Described vibrations plate device comprises the some hollow molds 907 be arranged on mould plate 903, is provided with high-frequency vibration rod in hollow mold 907, described support is provided with vibrations headstock 908, and vibrations headstock 908 connects high-frequency vibration rod.Described vibrations headstock connection control case.The two ends of described hollow mold 907 are respectively arranged with plate 904 and blind patch 905.
The utility model is not limited to above-mentioned preferred embodiment, and anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or akin technical scheme with the utility model, all belongs to protection domain of the present utility model.
Claims (8)
1. a double prestressed concrete precast hollow slab, comprise longitudinal hole prestressed concrete precast hollow slab and transverse holes prestressed concrete precast hollow slab, it is characterized in that: described transverse holes prestressed concrete precast hollow slab comprises top panel, lower panel, longitudinal rib, cross rib, end rib and build to be integrated and make the hollow plate body of transverse holes; On the hollow plate body of described transverse holes, horizontally set is porose, and is arranged in the both sides of longitudinal rib symmetrically and evenly; Described cross rib is boxed out or is buried people's bellows in the cross rib of 1m ~ 2m; Have prestress wire, cage of reinforcement in described longitudinal rib, have upper strata steel fabric sheet in top panel, lower panel Nei You lower floor steel fabric sheet, has end anchorage muscle in end rib; Described longitudinal hole prestressed concrete precast hollow slab comprises top panel, lower panel, longitudinal rib, limit rib, end rib, cross rib and build to be integrated and make the hollow plate body of longitudinal hole, the hollow plate body of longitudinal hole is arranged porose, hole is parallel with longitudinal rib, is uniformly distributed therebetween; Box out in described cross rib or bury people's bellows; There is prestress wire in longitudinal rib, in longitudinal rib, have transverse reinforcement, in end rib, have steel fabric sheet, end anchorage muscle.
2. the production line of a kind of double prestressed concrete precast hollow slab according to claim 1, it is characterized in that: comprise operation ground, ground is equipped with track in operation, and is respectively arranged with stretching bed seat at the two ends of track; One end of described stretching bed seat is stretching end, is provided with oil pump, jack and fixture, and the other end is fixed end, arranges fixture; Described track overhead is provided with crane, and runs transverse holes forming machine in orbit or longitudinal hole forming machine.
3. double prestressed concrete precast hollow board assembly line according to claim 2, it is characterized in that: described transverse holes forming machine comprises base, floor installation in orbit and base is symmetrically arranged with column, is provided with jacking mechanism, shaped device between column; Described base is provided with the feed arrangement corresponding with shaped device; Described base is provided with switch board and hydraulic power unit, hydraulic power unit connects jacking mechanism, shaped device and feed arrangement.
4. double prestressed concrete precast hollow board assembly line according to claim 3, it is characterized in that: described shaped device comprises the workbench be arranged on base, the both sides of workbench are respectively arranged with hollow module, the arranged outside of hollow module has advance and retreat device, and advance and retreat device connects hydraulic power unit; Described advance and retreat device and hollow module adjust bracket and the adjusting nut corresponding with adjustment bracket with being provided with between base.
5. double prestressed concrete precast hollow board assembly line according to claim 4, it is characterized in that: described jacking mechanism comprises and to be arranged between column and to connect the jack of increased pressure board straight down, increased pressure board coordinates workbench, described jack connects hydraulic power unit, realizes increased pressure board moving up and down along column by fairlead.
6. double prestressed concrete precast hollow board assembly line according to claim 5, it is characterized in that: described feed arrangement comprises hopper, is arranged on blanking groove below hopper and corresponding with workbench and the blanking propeller corresponding with blanking groove, described blanking propeller connects hydraulic power unit.
7. double prestressed concrete precast hollow board assembly line according to claim 6, is characterized in that: described longitudinal hole forming machine comprises support, and support installing in orbit; The upper end of described support is provided with hopper, and the below of hopper is provided with mould plate, and mould plate is provided with vibrating-forming device; Described support is provided with weight equalizer block and control cabinet, control cabinet controls whole operation process of forming machine, and control cabinet is provided with the operation panel of multiple control buttons together with button, and the bottom of support is provided with road wheel.
8. double prestressed concrete precast hollow board assembly line according to claim 7, it is characterized in that: described vibrations plate device comprises the some hollow molds be arranged on mould plate, high-frequency vibration rod is provided with in hollow mold, described support is provided with vibrations headstock, vibrations headstock connects high-frequency vibration rod; Described vibrations headstock is controlled by control cabinet; The two ends of described hollow mold are respectively arranged with plate and blind patch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486403.7U CN204081245U (en) | 2014-08-26 | 2014-08-26 | A kind of double prestressed concrete precast hollow slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486403.7U CN204081245U (en) | 2014-08-26 | 2014-08-26 | A kind of double prestressed concrete precast hollow slab |
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| CN204081245U true CN204081245U (en) | 2015-01-07 |
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| CN201420486403.7U Expired - Fee Related CN204081245U (en) | 2014-08-26 | 2014-08-26 | A kind of double prestressed concrete precast hollow slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196163A (en) * | 2014-08-26 | 2014-12-10 | 北京金地沃克城市交通咨询有限公司 | Two-direction pre-stressed prefabricated hollow concrete slab and manufacturing method thereof |
-
2014
- 2014-08-26 CN CN201420486403.7U patent/CN204081245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196163A (en) * | 2014-08-26 | 2014-12-10 | 北京金地沃克城市交通咨询有限公司 | Two-direction pre-stressed prefabricated hollow concrete slab and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150826 |
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| EXPY | Termination of patent right or utility model |