CN105003079A - Assembly structure for exerting prestress on cross section periphery of framework post of steel structure module - Google Patents
Assembly structure for exerting prestress on cross section periphery of framework post of steel structure module Download PDFInfo
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- CN105003079A CN105003079A CN201510358851.8A CN201510358851A CN105003079A CN 105003079 A CN105003079 A CN 105003079A CN 201510358851 A CN201510358851 A CN 201510358851A CN 105003079 A CN105003079 A CN 105003079A
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Abstract
The invention discloses an assembly structure for exerting prestress on the cross section periphery of a framework post of a steel structure module. The assembly structure comprises a plurality of module unit framework posts, a top sealing plate and a bottom sealing plate which are vertically and sequentially connected, wherein a plurality of penetrated prestress steel stranded wires are symmetrically and uniformly distributed on the periphery of the cross section formed after the plurality of module unit framework posts are stacked; each penetrated prestress steel stranded wire consists of a plurality of sections of vertically and mutually connected prestress steel stranded wires; grouting holes are formed in the top sealing plate and the bottom sealing plate; the positions of the grouting holes formed in the top sealing plate and the bottom sealing plate are aligned; the connecting position of the prestress stranded wires is positioned on the top of the connected lower module unit framework post; the connecting part of the prestress steel stranded wires is provided with an upper part steel stranded wire anchoring end anchoring device, a lower part steel stranded wire tensioning end anchoring device and a prestress steel stranded wire connector; and the inside of all module unit framework posts is fully filled with concrete slurry. The assembly structure has the advantages that the structure is reasonable; simplicity is realized; the implementation is easy; the connection is reliable; the prestress formed between the upper and lower module unit framework posts is used for forming a whole; and the overturning moment tension generated by lateral wind load or earthquake effects can be resisted.
Description
Technical field
The present invention relates to a kind of novel pre-stressed mounting technology, particularly relate to and respectively save chord member end periphery position at each frame column top of steel structure module or steel truss presstressed reinforcing steel connector is set, form overall steel framework or steel truss structure by subsection tension and segmentation anchoring.
Background technology
Steel structure module building is by a large amount of cuboid modular unit, by certain link technique, splice the monolithic architecture assembled up and down, each cuboid modular unit, its width is generally a standard width of a room in an old-style house in house, a long depth for house, height is a floor height in house, the hexahedron that modular unit is formed by four frame columns and four, top Vierendeel girder and four, bottom Vierendeel girder, and have on having top board and under have base plate, surrounding has enclosure wall or partition wall.During modular unit assembling, upper layer module unit framework post and lower module unit framework should connect into entirety, but because there is wall at each modular unit four sides, be difficult to carry out being welded to connect between frame column, the link technique of current building module generally adopts plug-in type to connect, or surface welding etc., the former can not bear pulling force by connected mode frame column, the latter cannot bear larger pulling force, does not all meet the related request of China's building aseismicity specification, must improve.
Summary of the invention
For problems of the prior art, the present invention proposes a kind of for steel structure module cross-section of frame column periphery Shi Hanzhang assembly structure, its reasonable in design, simple, connect reliable, by arranging prestressing force connector in framework capital peripheral part, after tension of prestressed tendon anchoring, make to produce precompression between upper and lower mould block frame post and form entirety, to resist the pulling force of the overturning moment of lateral wind load or geological process generation.
In order to solve the problems of the technologies described above, a kind of assembly structure for steel structure module cross-section of frame column periphery Shi Hanzhang that the present invention proposes, comprise the multiple modular unit frame columns be connected successively up and down, the top of each modular unit frame column is equipped with the plate that binds, the bottom of each modular unit frame column is equipped with back cover plate, below the described plate that binds, middle position is provided with stiffener, described in bind plate be above provided with shear key; Described plate and the described back cover plate center position of binding is respectively equipped with the grout hole aligned up and down, described in bind on plate and back cover plate and be symmetrically evenly equipped with multiple venthole, described in the position of venthole on plate and back cover plate of binding align one by one; Cross-sectional perimeter symmetry after multiple modular unit frame column stacks is evenly equipped with many prestress wires run through, and the prestress wire that every bar runs through is made up of the upper and lower interconnective prestress wire of multistage; The link position of prestress wire is arranged in the bottom that two adjacent modular unit frame columns are positioned at the modular unit frame column of top; The link position of prestress wire is equipped with the low retraction prestress wire ground tackle and connection-device's combination body that are made up of upper steel twisted wire anchored end anchor, bottom steel strand tension end anchor and prestress steel twist wiring connector; Described upper steel twisted wire anchored end anchor comprises the first cylindrical shell, is provided with steel strand persuader, anchored end strand tapered anchorage and Compress Spring from top to bottom successively in described first cylindrical shell; Described bottom steel strand tension end anchor comprises the second cylindrical shell, and be provided with stretching end strand tapered anchorage in described second cylindrical shell, the bottom of described second cylindrical shell is provided with the adjuster that returns back to top; Described prestress steel twist wiring connector comprises the 3rd cylindrical shell, and the two ends of described 3rd cylindrical shell are threaded with being between described first cylindrical shell and the second cylindrical shell respectively; The two ends of described compression spring respectively with the intermediate plate of anchored end strand tapered anchorage and the end face close contact of described prestress steel twist wiring connector; Position corresponding with every bar prestress wire penetration on basis is provided with an anchored end strand tapered anchorage respectively, and the top of described anchored end strand tapered anchorage arranges a steel strand persuader; The plate that binds being positioned at most top-level module unit framework post arranges stretching end strand tapered anchorage, described stretching end strand tapered anchorage and bind between plate and be provided with the adjuster that returns back to top; Concrete slurry is filled with in all modular unit frame columns.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is by arranging prestress steel twist wiring connector in upper and lower interconnective lower module unit framework column top, after prestress wire stretch-draw anchor, make to produce precompression between upper and lower mould module unit frame column and form entirety, the pulling force of the overturning moment of lateral wind load or geological process generation can be resisted.The present invention is applicable to the assembly connection of more than ten layers high-rise steel structure building module unit framework posts.
Accompanying drawing explanation
Fig. 1 is that the present invention is for steel structure module cross-section of frame column periphery Shi Hanzhang assembly schematic diagram;
Fig. 2 is the top view of assembly structure shown in Fig. 1;
Fig. 3 is the structural representation of low retraction prestress wire ground tackle and connection-device's combination body in the present invention.
In figure:
1-binds plate 2-back cover plate 3-stiffener
4-shear key 5-grout hole 6-venthole
Prestress wire 72-bottom, 7-prestress wire 71-top prestress wire
8-upper module unit framework post 9-upper steel twisted wire anchored end anchor 10-bottom steel strand tension end anchor
11-prestress steel twist wiring connector 12-first cylindrical shell 13-steel strand persuader
14-anchored end strand tapered anchorage 15-Compress Spring 16-second cylindrical shell
17-stretching end strand tapered anchorage 18-returns back to top adjuster 19-concrete slurry
20-lower module unit framework post 21-basis
Detailed description of the invention
Be described in further detail technical solution of the present invention below in conjunction with the drawings and specific embodiments, described specific embodiment only explains the present invention, not in order to limit the present invention.
As depicted in figs. 1 and 2, a kind of assembly structure for steel structure module cross-section of frame column periphery Shi Hanzhang of the present invention, comprise the multiple modular unit frame columns be connected successively up and down, the top of each modular unit frame column is equipped with the plate 1 that binds, back cover plate 2 is equipped with bottom it, below the described plate 1 that binds, middle position is provided with stiffener 3, described in bind plate 1 be above provided with shear key 4; Described plate 1 and described back cover plate 2 center position of binding is respectively equipped with the grout hole 5 aligned up and down, described in bind on plate 1 and back cover plate 2 and be symmetrically evenly equipped with multiple venthole 6, described in the position of venthole 6 on plate 1 and back cover plate 2 of binding align one by one.
Cross-sectional perimeter symmetry after multiple modular unit frame column stacks is evenly equipped with many prestress wires run through 7, and the prestress wire 7 that every bar runs through is made up of the upper and lower interconnective prestress wire of multistage; As shown in Figure 1, the link position of prestress wire is arranged in the bottom that two adjacent modular unit frame columns are positioned at the upper module unit framework post 8 of top.
As shown in Figure 3, the link position of prestress wire is equipped with the low retraction prestress wire ground tackle and connection-device's combination body that are made up of upper steel twisted wire anchored end anchor 9, bottom steel strand tension end anchor 10 and prestress steel twist wiring connector 11.Described upper steel twisted wire anchored end anchor 9 comprises the first cylindrical shell 12, is provided with steel strand persuader 13, anchored end strand tapered anchorage 14 and Compress Spring 15 from top to bottom successively in described first cylindrical shell 12; Described bottom steel strand tension end anchor 10 comprises the second cylindrical shell 16, is provided with stretching end strand tapered anchorage 17 in described second cylindrical shell 16, and the bottom of described second cylindrical shell 16 is provided with the adjuster 18 that returns back to top; Described prestress steel twist wiring connector 11 comprises the 3rd cylindrical shell, and the two ends of described 3rd cylindrical shell are threaded with being between described first cylindrical shell 12 and the second cylindrical shell 16 respectively; The two ends of described compression spring 15 respectively with the intermediate plate of anchored end strand tapered anchorage 14 and the end face close contact of described prestress steel twist wiring connector 11.
As shown in Figure 1, position corresponding with every bar prestress wire 7 penetration on basis is provided with an anchored end strand tapered anchorage 14 respectively, and the top of described anchored end strand tapered anchorage 14 arranges a steel strand persuader 13; The plate 1 that binds being positioned at most top-level module unit framework post arranges stretching end strand tapered anchorage 17, described stretching end strand tapered anchorage 17 and bind between plate 1 and be provided with the adjuster 18 that returns back to top; Concrete slurry 19 is filled with in all modular unit frame columns.
Connecting reinforcement is inserted with respectively in the grout hole 5 aligned up and down and venthole 6.
Mentality of designing of the present invention is: for highrise building, due to the shearing that bears when earthquake and overturning moment larger, therefore, can at the capital periphery of modular unit frame column or corner positions Shi Hanzhang, the frame column node of upper and lower steel structure module is made to be in pressured state, its compressive stress can be enough to tension effect and the frame column flexural stress of offset by the level of earthquake overturning moment, simultaneously by arranging the effect of shear key opposing horizontal earthquake shear at frame column capital, has reached safety and stability state.
The process utilizing the present invention to carry out assembling for the assembly structure of the assembly structure of steel structure module cross-section of frame column periphery Shi Hanzhang is as follows:
Step one, according to design prestress application position, namely be positioned on basis the periphery of each modular unit frame column bottom symmetrically, the position of uniform (also can be bight as depicted in figs. 1 and 2), an anchored end strand tapered anchorage 14 is respectively equipped with at each prestress application location point, and steel strand persuader 13 is set at anchored end strand tapered anchorage 14, by steel strand persuader 14 through a prestress wire (i.e. bottom prestress wire 72).
Step 2, the top of each modular unit frame column install bind plate 1 and above the back cover plate 2 of adjacent modular units frame column, in installation process, make back cover plate 2 and aligning one by one for the grout hole 5 be in the milk and the venthole 6 of giving vent to anger for being in the milk that the plate 1 that binds processes, binding, each prestress application location point on plate 1 arranges stretching end strand tapered anchorage 10, and is threaded connection in the bottom of the urceolus (i.e. the second cylindrical shell 16) of stretching end strand tapered anchorage 10 and arranges one and to return back to top adjuster 18 (i.e. locknut); In stretching end strand tapered anchorage 17, inserting bottom prestress wire 72 or prestressed reinforcement to bottom penetrates in anchored end strand tapered anchorage 14 through the steel strand persuader 13 be arranged on basis, carries out stretch-draw; After tension stress and elongation reach designing requirement, carry out first time anchoring, then adopt jack to carry out second time stretch-draw, after stretch-draw to proof stress, tighten the adjuster 18 that returns back to top, after eliminating anchor deformation and intermediate plate internal loss, stop stretch-draw; After this layer of whole stretch-draw of all modular units completes, the steel strand of excision redundance, prestressed steel strand connector 11 on the bottom steel strand tension end anchor 10 of each modular unit frame column, upper anchored end strand tapered anchorage 14 and the steel strand persuader 13 of top steel strand anchoring end anchor 10 are installed again, and the perfusion of the concrete slurry 19 in this layer of modular unit frame column is carried out by the grout hole 5 that position on bind plate 1 and back cover plate 2 aligns, then in each venthole 5 one to one, a connecting reinforcement is inserted, to strengthen node strength and ductility.
After step 3, above-mentioned work complete, the modular unit frame column of one deck is above installed, the follow-up perfusion being substantially the process of repetition above-mentioned steps two and completing the concrete slurry 19 in second layer modular unit frame column is wherein insert top prestress wire 71, as shown in figures 1 and 3; Stretch-draw to top-level module unit and grouting construction is repeated, until prestressing force has assembled with this.
In the present invention, prestress steel twist clue can be single rope and also can be many ropes, and corresponding connectors is corresponding with it to be connected for single rope or many ropes.According to presstressed reinforcing steel, then presstressed reinforcing steel both can adopt finish rolling high tensile reinforcement (rod iron) also can adopt FRP fiber composite reinforcing material.
Adopt assembly structure of the present invention to carry out prestressing force assembling and there is following characteristics:
(1) can less fielding welding amount by a relatively large margin, and improve degree of safety and the Environmental Protection Level of construction plant.
(2) frame column node connects employing prestressing technique, and controllability is strong, dependable performance.
(3) the prestressed reinforcement connector in the present invention, loss of prestress is very little, and synchronous tension is without the need to compensating, and integrated prestress stability is high.
(4) in work progress, good to the protectiveness of building module unit finished product, avoiding other because of welding or the method such as bolt connection needs the measure of repairing again.
(5) prestressing force adopts on-site layering stretch-draw, easy to operate, and speed of application is fast, and efficiency is high.
(6) frame column connected node has reliable tension, resistance to compression, shearing resistance mechanical property.
(7), after frame column applies precompression, improve the rigidity of structure, the lateral displacement under earthquake and wind action can be reduced, improve integrally-built anti-seismic performance, and there is higher post earthquake recovery function.
(8) improve its Rigidity and strength and fireproof performance after perfusion grouting material in steel pipe column (modular unit frame column).
(9) adopt and to bind plate and the through hole with adjacent modular units frame column back cover plate at modular unit frame column, namely a plain bars can be inserted as connecting reinforcement, to enhance the strength and ductility of node in grouting (concrete) hole or venthole.
Although invention has been described by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; when not departing from present inventive concept, can also make a lot of distortion, these all belong within protection of the present invention.
Claims (2)
1. the assembly structure for steel structure module cross-section of frame column periphery Shi Hanzhang, comprise the multiple modular unit frame columns be connected successively up and down, the top of each modular unit frame column is equipped with the plate that binds (1), the bottom of each modular unit frame column is equipped with back cover plate (2), it is characterized in that
Below the described plate that binds (1), middle position is provided with stiffener (3), described in bind plate (1) be above provided with shear key (4); The described plate that binds (1) and described back cover plate (2) center position are respectively equipped with the grout hole (5) aligned up and down, the described plate that binds (1) and back cover plate (2) are symmetrically evenly equipped with multiple venthole (6), described in the bind position of the upper venthole (6) of plate (1) and back cover plate (2) align one by one;
Cross-sectional perimeter symmetry after multiple modular unit frame column stacks is evenly equipped with many prestress wires run through (7), and the prestress wire (7) that every bar runs through is made up of the upper and lower interconnective prestress wire of multistage; The link position of prestress wire is arranged in the bottom that two adjacent modular unit frame columns are positioned at the upper module unit framework post (8) of top; The link position of prestress wire is equipped with the low retraction prestress wire ground tackle and connection-device's combination body that are made up of upper steel twisted wire anchored end anchor (9), bottom steel strand tension end anchor (10) and prestress steel twist wiring connector (11);
Described upper steel twisted wire anchored end anchor (9) comprises the first cylindrical shell (12), is provided with steel strand persuader (13), anchored end strand tapered anchorage (14) and Compress Spring (15) in described first cylindrical shell (12) from top to bottom successively;
Described bottom steel strand tension end anchor (10) comprises the second cylindrical shell (16), is provided with stretching end strand tapered anchorage (17) in described second cylindrical shell (16), and the bottom of described second cylindrical shell (16) is provided with the adjuster that returns back to top (18);
Described prestress steel twist wiring connector (11) comprises the 3rd cylindrical shell, and the two ends of described 3rd cylindrical shell are threaded with being between described first cylindrical shell (12) and the second cylindrical shell (16) respectively;
The two ends of described compression spring (15) respectively with the intermediate plate of anchored end strand tapered anchorage (14) and the end face close contact of described prestress steel twist wiring connector (11);
Position corresponding with every bar prestress wire (7) penetration on basis is provided with an anchored end strand tapered anchorage (14) respectively, and the top of described anchored end strand tapered anchorage (14) arranges a steel strand persuader (13);
The plate that binds (1) being positioned at most top-level module unit framework post arranges stretching end strand tapered anchorage (17), between described stretching end strand tapered anchorage (17) and the plate that binds (1), is provided with the adjuster that returns back to top (18);
Concrete slurry (19) is filled with in all modular unit frame columns.
2. according to claim 1 for the assembly structure of steel structure module cross-section of frame column center Shi Hanzhang, it is characterized in that, in the grout hole aligned up and down (5) and venthole (6), be inserted with connecting reinforcement respectively.
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| CN201510358851.8A CN105003079B (en) | 2015-06-25 | 2015-06-25 | Apply prestressed assembling structure for steel structure module cross-section of frame column periphery |
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| CN201510358851.8A CN105003079B (en) | 2015-06-25 | 2015-06-25 | Apply prestressed assembling structure for steel structure module cross-section of frame column periphery |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10220027A (en) * | 1997-02-03 | 1998-08-18 | Taisei Corp | Aseismatic reinforced construction |
| NL1012499C2 (en) * | 1999-07-02 | 2001-01-03 | Novitec Internat B V | Coupling component for reinforcement rod involves outer rod end cast into concrete and comprises basic part to which is fixed rod end accommodation container |
| CN102373753A (en) * | 2010-08-11 | 2012-03-14 | 中国市政工程东北设计研究总院 | New method for butt-joint assembly of concrete prefabricated parts |
| CN203373852U (en) * | 2013-06-14 | 2014-01-01 | 天津市建筑设计院 | Giant frame structure modular building structure |
-
2015
- 2015-06-25 CN CN201510358851.8A patent/CN105003079B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10220027A (en) * | 1997-02-03 | 1998-08-18 | Taisei Corp | Aseismatic reinforced construction |
| NL1012499C2 (en) * | 1999-07-02 | 2001-01-03 | Novitec Internat B V | Coupling component for reinforcement rod involves outer rod end cast into concrete and comprises basic part to which is fixed rod end accommodation container |
| CN102373753A (en) * | 2010-08-11 | 2012-03-14 | 中国市政工程东北设计研究总院 | New method for butt-joint assembly of concrete prefabricated parts |
| CN203373852U (en) * | 2013-06-14 | 2014-01-01 | 天津市建筑设计院 | Giant frame structure modular building structure |
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Address after: 300074 No. 95 Meteorological Observatory Road, Tianjin, Hexi District Patentee after: Tianjin architectural design and Research Institute Co., Ltd Address before: 300074 No. 95 Meteorological Observatory Road, Tianjin, Hexi District Patentee before: TIANJIN ARCHITECTURE DESIGN INSITUTE |
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