CN103362222A - SP prestressed hollow slab with bolting embedded parts - Google Patents
SP prestressed hollow slab with bolting embedded parts Download PDFInfo
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- CN103362222A CN103362222A CN2013102825076A CN201310282507A CN103362222A CN 103362222 A CN103362222 A CN 103362222A CN 2013102825076 A CN2013102825076 A CN 2013102825076A CN 201310282507 A CN201310282507 A CN 201310282507A CN 103362222 A CN103362222 A CN 103362222A
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- cored slab
- prestressed cored
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- bolting
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Abstract
The invention relates to an SP prestressed hollow slab with bolting embedded parts, which is connected with a steel structure. At least two monomer bolting embedded part or a combined bolting embedded part is arranged in the position of the connecting node of the SP prestressed hollow slab and the steel structure, each monomer bolting embedded part is used for fastening and anchoring one main bar of the SP prestressed hollow slab, the combined bolting embedded part is used for fastening and anchoring all main bars of the prestressed hollow slab, and nuts are welded on the monomer bolting embedded parts or the combined bolting embedded part and used for connecting the steel structure. The bolting embedded parts are connected with the steel structure through the high-intensity nuts, the quality is stable and reliable, when the SP prestressed hollow slab adopting the bolting embedded parts is manufactured in a factory, the main bars in the SP prestressed hollow slab and the bolting embedded parts are fastened and anchored, only assembling and bolting with beams are required in field installation, assembling and adjusting are convenient and reliable, and the earthquake resistant behavior of a building structure can be improved effectively.
Description
Technical field
The present invention relates to SP prestressed cored slab application, particularly relate to a kind of SP prestressed cored slab with the bolt embedded part.
Background technology
" SP prestressed cored slab " (can referred to as " SP plate ") is for the floor of building structure and the prefabricated units of wallboard.Major part was selected overlap joint or is used the built-in fitting welding manner when SP prestressed cored slab was connected at the structure node with steel work (steel column, steel plate, girder steel etc.).At embedded part and steel work Site Welding, need the scene to socket the power supply inconvenience, if do not allow to employ the naked light building site in construction and installation, floor then can't weld.Especially when wallboard was installed, welding operation is the centering difficulty in installation process, and little at embedded part and girder steel joint welding cross section, and welding quality is difficult for guaranteeing.In addition, expose main muscle (being commonly called as " beard muscle ") and steel structure connection owing to precast prestressed floor is provided with, thereby affect the building integral earthquake resistant structure.For reaching the reliable binding of SP prestressed cored slab and girder steel or steel column, according to the Seismic Design of Building demand of technical standard, need to there be new scheme to be used for realizing that the SP prestressed cored slab is connected with the safe node of steel work.
Summary of the invention
Technical problem to be solved by this invention provides a kind of SP prestressed cored slab with the bolt embedded part, is used for solving prior art and can not realizes the problem that the SP prestressed cored slab is connected with the safe node of steel work.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of SP prestressed cored slab with the bolt embedded part, itself and steel structure connection, and be provided with at least two monomer bolt embedded parts or a disjunctor bolt embedded part at the connected node place of SP prestressed cored slab and steel work, described each monomer bolt embedded part is used for a main muscle of button anchoring SP prestressed cored slab, described disjunctor bolt embedded part is used for the whole main muscle of button anchoring SP prestressed cored slab, and all be welded with nut on described monomer bolt embedded part or the described disjunctor bolt embedded part, be used for connecting steel work by nut.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described steel work comprises girder steel, steel plate and/or steel column.
Further, described monomer bolt embedded part is provided with at least one button anchor and colludes, all for same main muscle detaining anchoring SP prestressed cored slab.
Further, described disjunctor bolt embedded part is provided with quantity and colludes more than or equal to the button anchor of the main muscle quantity of described SP prestressed cored slab, and described each button anchor colludes a main muscle of corresponding fixing described SP prestressed cored slab.
Further, the bottom surface of described disjunctor bolt embedded part is consistent with the main reinforced concrete protective layer height of SP prestressed cored slab apart from the height that described button anchor colludes.
Further, the width of the length of described disjunctor bolt embedded part and described SP prestressed cored slab adapts.
Further, to collude be all to be welded on the same steel plate strip to all button anchors of described disjunctor bolt embedded part.Beneficial effect of the present invention is:
One, adopting the bolt embedded part that floor is installed at the scene saves the welding sequence of girder steel, steel column and embedded part and is connected reliably.
Two, the SP prestressed cored slab uses the bolt embedded part, is convenient to the installation calibrating of vertical or horizontal wallboard.
Three, the bolt embedded part adopts high strength nut and steel structure connection, steady quality is reliable, and the SP prestressed cored slab that adopts the bolt embedded part when produce in factory with main muscle in the SP prestressed cored slab and the anchoring of bolt embedded part button, the on-the-spot assembling bolt of installing again with beam, equipment adjustment is convenient reliable, can effectively improve the anti-seismic performance of building structure.
Four, to collude be to be welded on the same steel plate strip to all button anchors of disjunctor bolt embedded part, and it is that SP prestressed cored slab main reinforce position is fixing accurately accurate in its main muscle protection size that the relative position size is convenient to control.Simultaneously.Save manufacturing process and used the eyelet strip operation.
Five, the bottom surface of described disjunctor bolt embedded part is consistent with the main reinforced concrete protective layer height of SP prestressed cored slab apart from the height that described button anchor colludes, and has played production and processing and has supported the consistent effect of main muscle relative position.
Description of drawings
Fig. 1 is the SP prestressed cored slab of the embodiment of the invention one and the structural representation of Steel Structure Installation;
Fig. 2 is the welding schematic diagram of the embodiment of the invention two described disjunctor bolt embedded parts;
Fig. 3 is the scheme of installation of the embodiment of the invention two described disjunctor bolt embedded parts.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, SP prestressed cored slab, 2, steel work, 3, nut, 4, monomer bolt embedded part, 5, main muscle, 6, the button anchor colludes, 7, disjunctor bolt embedded part.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used for explaining the present invention, is not be used to limiting scope of the present invention.
The present domestic prestressed cored slab of manufacturing with pre-tensioning system does not all expose main muscle (being commonly called as " beard muscle ") and is connected with girder steel, and every block of plate has affected the monolithic architecture structure of plate and beam only with 2 embedded irons and girder steel welding.If the steel strand in the floor (main muscle) reliably are connected with girder steel, adopt the bolt embedded part can reach this purpose.The 1st regulation of 8.1.8 money in " seismic design provision in building code " GB50011-2010: should adopt profiled sheet cast-in-situ steel reinforced concrete composite floor or reinforced concrete floor, and should be arranged reliable the connection with girder steel.Simultaneously, in the 2nd regulation of preceding: be no more than the steel work of 50M when spending 6,7, still can adopt the assembled integral reinforced concrete floor, also can adopt assembling floor or other light floor systems, but floor built-in fitting and girder steel should be welded, or take other to guarantee the measure of superstructure globalities.
Based on this, as shown in Figure 1, embodiment one has provided a kind of SP prestressed cored slab 1 that adopts monomer bolt embedded part, it is connected use with steel work 2, comprise at least two with the monomer bolt embedded part 4 of nut 3, each single-piece bolt embedded part 4 is detained respectively a main muscle 5 of anchoring SP prestressed cored slab 1, and each monomer bolt embedded part is connected with steel work 2 by the nut 3 on it.Described steel work 2 comprises girder steel, steel plate and/or steel column, and described nut 3 is high-strength nut.Described monomer bolt embedded part 4 is provided with at least one button anchor and colludes 6, all for same main muscle 5 detaining anchoring SP prestressed cored slab 1.
The bolt embedded part of embodiment one is with reference to the SP prestressed cored slab in the national standard drawings and the performance of connection joints of steel structure,, with the high-strength nut 3 of M16 building (wall) plate is connected with steel work 6 during installation at prefabricated at least two embedded parts at an end of SP plate.It is identical with original technique to manufacture the SP prestressed cored slab, only is to add the weldering nut at former built-in fitting.
Based on principle of uniformity, as shown in Figure 2, embodiment two has provided another SP prestressed cored slab with the bolt embedded part, it comprises a disjunctor bolt embedded part 7, and the length of described disjunctor bolt embedded part 7 and the width of described SP prestressed cored slab adapt, 7 collude 3 with the button anchor identical with the main muscle quantity of described SP prestressed cored slab on the described disjunctor bolt embedded part, and described each button anchor colludes 3 main muscle that are respectively applied to fixing described SP prestressed cored slab.When installing at the scene that the SP prestressed cored slab is in place, with high-strength nut 3 building (wall) plate and steel structure connection are formed structure node.
Among these two kinds of embodiment, the embedded part that this building structure node uses namely is called as the bolt embedded part.
Fig. 3 is the installation schematic cross-section of the disjunctor bolt embedded part of embodiment two, the prefabricated disjunctor bolt embedded part 7 of its end at SP plate 1, be connected with steel work 6 with the main muscle 5 of high-strength nut 3 with the SP prestressed cored slab during installation, its intensity index and steel strand (main muscle) approach.
In addition, install for ease of disjunctor bolt embedded part button anchor in process of production, the embedded part width is controlled at below the 30mm, can in topping, pass button anchoring steel strand.
Every steel strand of SP prestressed cored slab (main muscle) all are connected with girder steel by bolt embedded part and high-strength nut among the embodiment two, effectively guarantee the globality that pre-stress floor is connected with girder steel.This case bolt embedded part is applied in the making of precast prestressed concrete floor, with the reliability that raising plate master muscle is connected with beam, has enlarged the application of precast prestressed building (wall) plate.
Embodiment two can further place length near the elongated 1 disjunctor embedded part of precast plate width in SP prestressed cored slab end, whole steel strand (main muscle) in the embedded part button anchoring concrete pre-stress plate.Building (wall) plate is installed is at the scene then connected with high-strength nut successively, whole steel strand (main muscle) all reliably are connected with girder steel.In manufacturing, born the positioning action of every steel strand by the disjunctor embedded part.
Monomer embedded part nut axis among the embodiment one is the center of (wall) rib of slab in the building, and the disjunctor embedded part nut axis among the embodiment two is the center that is embedded in building (wall) plate hole core.
When embodiment one and embodiment two constructed at the scene, attaching nut's pitch-row offset dimensions of the bolt embedded part of building (wall) plate and steel work, girder steel was very important.Floor and girder steel design stud bolt hole distance should all be as the criterion with " SP prestressed cored slab " atlas size, and leave corresponding pilot hole gap surplus.
SP prestressed cored slab, wallboard bolt embedded part are connected with the node of girder steel, post with the main muscle that nut connects the SP prestressed cored slab respectively among above-mentioned two embodiment, and then expand the typical structure node mode of connection of whole pinplate and beam, post.SP prestressed cored slab and steel structure connection should meet the technical requirements of 05SG408 atlas.Can be applicable to the floor project that the job site is not easy to weld.The building structure node of Application and Development precast prestressed plate disjunctor bolt and beam, post take the reliability that improves its building structure as purpose, satisfies the existing earthquake resistant code requirement of China, expands the application market of SP prestressed cored slab.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. SP prestressed cored slab with the bolt embedded part, itself and steel structure connection, it is characterized in that, be provided with at least two monomer bolt embedded parts or a disjunctor bolt embedded part at the connected node place of SP prestressed cored slab and steel work, described each monomer bolt embedded part is used for a main muscle of button anchoring SP prestressed cored slab, described disjunctor bolt embedded part is used for the whole main muscle of button anchoring SP prestressed cored slab, and all be welded with nut on described monomer bolt embedded part or the described disjunctor bolt embedded part, be used for connecting steel work by nut.
2. SP prestressed cored slab according to claim 1 is characterized in that, described steel work comprises girder steel, steel plate and/or steel column.
3. SP prestressed cored slab according to claim 1 is characterized in that, described monomer bolt embedded part is provided with at least one button anchor and colludes, all for same main muscle detaining anchoring SP prestressed cored slab.
4. SP prestressed cored slab according to claim 1, it is characterized in that, described disjunctor bolt embedded part is provided with quantity and colludes more than or equal to the button anchor of the main muscle quantity of described SP prestressed cored slab, and described each button anchor colludes a main muscle of corresponding fixing described SP prestressed cored slab.
5. SP prestressed cored slab according to claim 4 is characterized in that, the height that the bottom surface described button anchor of distance of described disjunctor bolt embedded part colludes is consistent with the main reinforced concrete protective layer height of SP prestressed cored slab.
6. according to claim 1,4 or 5 described SP prestressed cored slabs, it is characterized in that the length of described disjunctor bolt embedded part and the width of described SP prestressed cored slab adapt.
7. according to claim 1,4 or 5 described SP prestressed cored slabs, it is characterized in that to collude be all to be welded on the same steel plate strip to all button anchors of described disjunctor bolt embedded part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282507.6A CN103362222B (en) | 2013-07-05 | 2013-07-05 | A kind of SP prestressed cored slab with bolt embedded part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282507.6A CN103362222B (en) | 2013-07-05 | 2013-07-05 | A kind of SP prestressed cored slab with bolt embedded part |
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| CN103362222A true CN103362222A (en) | 2013-10-23 |
| CN103362222B CN103362222B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310282507.6A Expired - Fee Related CN103362222B (en) | 2013-07-05 | 2013-07-05 | A kind of SP prestressed cored slab with bolt embedded part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108915290A (en) * | 2018-07-25 | 2018-11-30 | 悉地国际设计顾问（深圳）有限公司 | A kind of fixed device of wall brick, wall brick installation method and wall |
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- 2013-07-05 CN CN201310282507.6A patent/CN103362222B/en not_active Expired - Fee Related
Patent Citations (12)
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| JPH0791003A (en) * | 1993-09-24 | 1995-04-04 | Suyama Kensetsu Kk | Connecting structure |
| CN2280732Y (en) * | 1996-05-28 | 1998-05-06 | 熊建明 | Built-in connector |
| CN2851395Y (en) * | 2005-09-09 | 2006-12-27 | 崔华 | Prestressed concrete prefabricated hollow wall board |
| CN201133034Y (en) * | 2007-11-15 | 2008-10-15 | 中铁十二局集团有限公司 | Reinforced bar anchoring structural piece of reinforced concrete structure |
| CN201896365U (en) * | 2010-06-25 | 2011-07-13 | 国网直流工程建设有限公司四川工程建设部 | Installing and fixing device for flat plate pre-embedded piece on surface of concrete |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108915290A (en) * | 2018-07-25 | 2018-11-30 | 悉地国际设计顾问（深圳）有限公司 | A kind of fixed device of wall brick, wall brick installation method and wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103362222B (en) | 2016-01-27 |
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Effective date of registration: 20161026 Address after: 102606 Beijing city Daxing District Caiyu Town Economic Development Zone Yu Zheng Street No. 6 Patentee after: Beijing Dongfang plate Co., Ltd. Address before: 102602 Beijing city Daxing District yufazhen Sheng Ping Street East Road, 100 meters south of Yu Fa Patentee before: Beijing Oriental Fu Lin Large Floor Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20210705 |