CN101285329B - Suspendome concrete integrated floor structure and construction method thereof - Google Patents
Suspendome concrete integrated floor structure and construction method thereof Download PDFInfo
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- CN101285329B CN101285329B CN2008100534380A CN200810053438A CN101285329B CN 101285329 B CN101285329 B CN 101285329B CN 2008100534380 A CN2008100534380 A CN 2008100534380A CN 200810053438 A CN200810053438 A CN 200810053438A CN 101285329 B CN101285329 B CN 101285329B
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Abstract
The invention discloses a suspended concrete integrated floor, which comprises a reinforced concrete slab, an embedded part, a support bar, a perforating steel ball, a steel guy cable, a single-pore steel plate, a turning steel bar, a pin shaft, a large-sized wedge-shaped steel plate, a middle-sized wedge-shaped steel plate, a small-sized wedge-shaped steel plate, a large-sized cross steel plate, a small-sized cross steel plate, a force bearing sleeve, a screw stem, a hot-cast anchor, a sealing sleeve and a fixing nut, wherein the reinforced concrete slab adopts a preformed slab; the lower part members of the preformed slab are connected with one another and then are welded with the preformed slab through the embedded part; after each member is installed, placing of back casting zone between slabs, tensioning of a steel rope and removing of a template and a scaffold are carried out to finally form a suspended concrete integrated floor structural system. The suspended concrete integrated floor has the advantages that: the integrated floor makes full use of the compression resistant performance and the tensile resistant performance of materials, and has wide spanning scope, convenient construction and installation, high degree of industrialization and economical efficiency and reasonableness. The suspended concrete integrated floor is particularly suitable to be used in the roofing system of long-span buildings such as a sports stadium, a gymnasium, a conference and exhibition center and a manufacturing shop.
Description
Technical field
The present invention relates to a kind of floor, more particularly, relate to a kind of steel-concrete composite floor plate that is used for the bigger building structure of span.
Background technology
The span of roof panel (floor) and its support pattern are determining the use value in the space under its covering.Traditional reinforced concrete roof board generally is bearing on the beam of its underpart, as girt strip formula floor and nine-squares beam formula floor etc., and beam is supported by the pillar of its underpart, consider from structural mechanical property and economic angle, this floor form should not be used for the bigger building of span, be that the post network arrangements can not be too big, generally be advisable with interior, so in general residential construction, be widely used at 10 meters.When it has bigger span when the functional requirement of building, as buildings such as stadiums, conference and exhibition center and production departments, then must change the support pattern of roof panel, for example, can adopt prestressed concrete beam supporting, steel mesh frame or the supporting of steel concrete rack or directly adopt steel structure system, but these methods or significant limitation is still arranged on span, or fail the concrete (pressurized characteristic preferably) and the material advantage of steel (tension characteristic preferably) are given full play to, or it is economical inadequately, in a word, all more or less there are some problems in these methods.
Summary of the invention
In order to overcome the deficiency of traditional reinforced concrete floor, the invention provides a kind of steel-concrete composite floor plate, it is Suspendome concrete integrated floor structure, this composite floor plate has been used for reference the principle of stretching integral system, and is close with tension string beam structure, but advantage is by comparison, need not members such as secondary beam, purlin, construction is simple, and lateral stability is better, and wind resistance is more superior.With regard to structure itself, made full use of concrete compressive property and steel tensile property preferably preferably, it is big to have the scope of can crossing over, the construction and installation facility, the industrialization degree height, characteristics such as economical rationality are particularly useful for the roofing system of long span buildings such as stadiums, conference and exhibition center and production department.
Technical scheme of the present invention is as follows:
A kind of Suspendome concrete integrated floor comprises armored concrete slab, built-in fitting, strut, the punching steel ball, steel cable, single hole steel plate, turn to rod iron, bearing pin, large size wedge-shaped steel plate, the medium size wedge-shaped steel plate, small size wedge-shaped steel plate, large size right-angled intersection steel plate, small size right-angled intersection steel plate, load sleeve, screw rod, the hot-cast anchor, seal sleeve, hold-down nut; Described built-in fitting is a shaped steel plate, builds in advance in armored concrete slab; The lower end of described single hole steel plate and built-in fitting is welded to connect; The described upper end of rod iron that turns to is connected by bearing pin with the single hole steel plate; Described punching steel ball is made up of the two hemispheres up and down of center band groove, and steel cable passes from groove, by high-strength bolt two hemispheres is tightened in together, and steel cable is stuck; Described strut is a round steel pipe, and its upper end is connected with the lower end that turns to rod iron by bearing pin, and its lower end is connected with the episphere bolt of punching steel ball or is welded to connect; Described large, medium and small wedge-shaped steel plate is outwards side by side parallel successively from the lining, built-in fitting in its upper end and the armored concrete slab is welded to connect, by large, trumpet right-angled intersection steel plate it is coupled together from the middle and upper part respectively between the wedge-shaped steel plate, the load sleeve passes from the wedge-shaped steel plate medium dip; The top of described screw rod is screwed with hold-down nut, and screw rod passes from the load sleeve, and the lower end is connected with the hot-cast anchor, and steel cable passes seal sleeve and is connected with the hot-cast anchor.
Job practices of the present invention is: during construction, with strut, first steel ball of punching steel ball, the single hole steel plate, turn to rod iron, bearing pin, the large size wedge-shaped steel plate, medium size wedge-shaped steel plate, small size wedge-shaped steel plate, large size right-angled intersection steel plate, small size right-angled intersection steel plate, after the load sleeve was connected with each other, the built-in fitting under the final and prefabricated armored concrete slab was connected, the armored concrete slab block-by-block installation in position that will have these connectors again, be bearing on the scaffold that frame is good, and then, comprise seal sleeve by the connecting elements that Pin installs steel cable and end thereof, the hot-cast anchor, screw rod and hold-down nut, be tightened in first steel ball by high-strength bolt second steel ball at last the punching steel ball, and stuck steel cable.Concreting is carried out in ater-casting between every prefabricated armored concrete slab, also can reserve and get rid of a reinforcing bar every prefabricated armored concrete slab, be connected with the structure muscle in the ater-casting, and then build, form whole post tensioning steel cable and apply prestressing force, final stripping and scaffold are finished the work progress of whole Suspendome concrete integrated floor structure system.
The invention has the beneficial effects as follows that made full use of concrete compressive property and steel tensile property preferably preferably, the scope of can crossing over is big, construction and installation facility, industrialization degree height, economical rationality.The roofing system that is particularly useful for long span buildings such as stadiums, conference and exhibition center and production department.
Description of drawings
Fig. 1 is the overall perspective (many Pin) of the present invention after construction and installation;
Fig. 2 is the vertical view of Fig. 1;
Vertical lateral view when Fig. 3 is the present invention's list Pin;
Transverse side view when Fig. 4 is the present invention's list Pin;
Fig. 5 is strut upper end and concrete slab connected node constructional drawing;
Fig. 6 is the joint structure figure of strut lower end crossing place;
Fig. 7 is the constructional drawing of punching steel ball;
Fig. 8 is the anchoring structure figure of lower edge steel cable in the concrete slab end;
Fig. 9 is another the supporting way schematic diagram under the concrete board;
Among the figure: 1. armored concrete slab, 2. strut, 3. punching steel ball, 4. steel cable, 5. hold-down nut, 6. the single hole steel plate 7. turns to rod iron, 8. bearing pin, 9. first steel ball, 10. second steel ball, 11. high-strength bolts, 12. the large size wedge-shaped steel plate, 13. medium size wedge-shaped steel plates, 14. small size wedge-shaped steel plates, 15. large size right-angled intersection steel plate, 16. small size right-angled intersection steel plates, 17. load sleeves, 18. screw rod, 19. hot-cast anchors, 20. seal sleeves.
The specific embodiment
As shown in Figure 1, Suspendome concrete integrated floor comprises armored concrete slab 1, built-in fitting, strut 2, punching steel ball 3, steel cable 4, single hole steel plate 6, turns to rod iron 7, bearing pin 8, large size wedge-shaped steel plate 12, medium size wedge-shaped steel plate 13, small size wedge-shaped steel plate 14, large size right-angled intersection steel plate 15, small size right-angled intersection steel plate 16, load sleeve 17, screw rod 18, hot-cast anchor 19, seal sleeve 20, hold-down nut 5; Described armored concrete slab 1 is the standardization precast plate, and built-in fitting can adopt the weld type steel plate; Described single hole steel plate 6 is the round steel plate of center drilling, and its upper end is welded to connect with built-in fitting, as shown in Figure 5; The described rod iron that turns to is solid rod iron, and flatten and perforate its upper end, be connected with single hole steel plate 6 by bearing pin, and bottom fluting and perforate on cell wall, as shown in Figure 5; Described strut 2 is a round steel pipe, and flatten and perforate its upper end, is connected with the lower end that turns to rod iron by bearing pin, and its lower end is taper, with the episphere of punching steel ball by being welded to connect or bolt is connected, as shown in Figure 6; Described punching steel ball 3 is made up of the episphere 9 and the lower semisphere 10 of center band groove, and steel cable 4 passes from groove, by high-strength bolt 11 episphere 9 and lower semisphere 10 is tightened in together, and steel cable 4 is stuck, shown in Fig. 6,7; Strut form under the armored concrete slab also can adopt four bars to support, as shown in Figure 9 except that adopting two bars supports; Described large size wedge-shaped steel plate 12, medium size wedge-shaped steel plate 13, small size wedge-shaped steel plate 14 are outwards side by side parallel successively from the lining, built-in fitting in its upper end and the armored concrete slab is welded to connect, by large size right-angled intersection steel plate 15 and small size right-angled intersection steel plate 16 it is welded to connect from the middle and upper part respectively between the wedge-shaped steel plate, load sleeve 17 is a round steel pipe, weldering was dead with it after its reserving hole medium dip from wedge-shaped steel plate was passed, as shown in Figure 8; The top of described screw rod 18 is screwed with hold-down nut 5, screw rod 18 passes from load sleeve 17, the lower end is connected with hot-cast anchor 19, steel cable 4 passes seal sleeve 20 and is connected with hot-cast anchor 19, draw hot-cast anchor 19 by the tensioning equipment top, tighten hold-down nut 5 then and realize stretch-draw, as shown in Figure 8 lower edge steel cable 4; During construction, with strut 2, first steel ball 9 of punching steel ball 3, single hole steel plate 6, turn to rod iron 7, bearing pin 8, large size wedge-shaped steel plate 12, medium size wedge-shaped steel plate 13, small size wedge-shaped steel plate 14, large size right-angled intersection steel plate 15, small size right-angled intersection steel plate 16, after load sleeve 17 was connected with each other, the built-in fitting under the final and prefabricated armored concrete slab 1 was connected, the armored concrete slab block-by-block installation in position that will have these connectors again, be bearing on the scaffold that frame is good, and then, comprise seal sleeve 20 by the connecting elements that Pin installs steel cable 4 and end thereof, hot-cast anchor 19, screw rod 18 and hold-down nut 5, be tightened in first steel ball 9 by high-strength bolt 11 second steel ball 10 at last punching steel ball 3, and stuck steel cable 4.Concreting is carried out in ater-casting to 1 of every prefabricated armored concrete slab, also can reserve and get rid of a reinforcing bar every prefabricated armored concrete slab 1, be connected with the structure muscle in the ater-casting, and then build, form whole post tensioning steel cable 4 and apply prestressing force, final stripping and scaffold are finished the work progress of whole Suspendome concrete integrated floor structure system.
Claims (6)
1. a Suspendome concrete integrated floor comprises armored concrete slab, built-in fitting, strut, the punching steel ball, steel cable, single hole steel plate, turn to rod iron, bearing pin, large size wedge-shaped steel plate, the medium size wedge-shaped steel plate, small size wedge-shaped steel plate, large size right-angled intersection steel plate, small size right-angled intersection steel plate, load sleeve, screw rod, the hot-cast anchor, seal sleeve, hold-down nut; It is characterized in that: the lower end of described single hole steel plate and built-in fitting is welded to connect; The described upper end of rod iron that turns to is connected by bearing pin with the single hole steel plate; Described punching steel ball is made up of the episphere and the lower semisphere of center band groove, and steel cable passes from central recess, by high-strength bolt two hemispheres is tightened in together, and steel cable is stuck; Described strut is a round steel pipe, and its upper end is connected with the lower end that turns to rod iron by bearing pin, and its lower end is connected with the episphere bolt of punching steel ball or is welded to connect, and supporting way also can adopt four bar supporting way except that adopting two bars supports; Described large size wedge-shaped steel plate, medium size wedge-shaped steel plate and small size wedge-shaped steel plate from the lining outwards parallel successively side by side, the upper end of large size wedge-shaped steel plate, medium size wedge-shaped steel plate and small size wedge-shaped steel plate all with armored concrete slab in built-in fitting be welded to connect, by large size right-angled intersection steel plate and small size right-angled intersection steel plate it is welded to connect from top respectively between the wedge-shaped steel plate, the load sleeve is a round steel pipe, and weldering was dead with it after the load sleeve passed from the reserving hole medium dip of wedge-shaped steel plate; The top of described screw rod is screwed with hold-down nut, and screw rod passes from the load sleeve, and the lower end is connected with the hot-cast anchor, and steel cable passes seal sleeve and is connected with the hot-cast anchor.
2. Suspendome concrete integrated floor according to claim 1 is characterized in that, described armored concrete slab is the standardization precast plate.
3. Suspendome concrete integrated floor according to claim 1 is characterized in that, described strut is a round steel pipe, and flatten and perforate its upper end, and its lower end is taper.
4. Suspendome concrete integrated floor according to claim 1 is characterized in that, the round steel plate that described single hole steel plate is a center drilling.
5. Suspendome concrete integrated floor according to claim 1 is characterized in that, the described rod iron that turns to is solid rod iron, and flatten and perforate its upper end, bottom fluting and perforate on cell wall.
6. the job practices of Suspendome concrete integrated floor according to claim 1, it is characterized in that: with strut, first steel ball of punching steel ball, the single hole steel plate, turn to rod iron, bearing pin, the large size wedge-shaped steel plate, medium size wedge-shaped steel plate, small size wedge-shaped steel plate, large size right-angled intersection steel plate, small size right-angled intersection steel plate, after the load sleeve was connected with each other, the built-in fitting under the final and prefabricated armored concrete slab was connected, the armored concrete slab block-by-block installation in position that will have these connectors again, be bearing on the scaffold that frame is good, and then, comprise seal sleeve by the connecting elements that Pin installs steel cable and end thereof, the hot-cast anchor, screw rod and hold-down nut, be tightened in first steel ball by high-strength bolt second steel ball at last the punching steel ball, and stuck steel cable; Concreting is carried out in ater-casting between every prefabricated armored concrete slab, also can reserve and get rid of a reinforcing bar every prefabricated armored concrete slab, be connected with the structure muscle in the ater-casting, and then build, form whole post tensioning steel cable and apply prestressing force, final stripping and scaffold are finished the work progress of whole Suspendome concrete integrated floor structure system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100534380A CN101285329B (en) | 2008-06-05 | 2008-06-05 | Suspendome concrete integrated floor structure and construction method thereof |
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| CN2008100534380A CN101285329B (en) | 2008-06-05 | 2008-06-05 | Suspendome concrete integrated floor structure and construction method thereof |
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| CN101285329A CN101285329A (en) | 2008-10-15 |
| CN101285329B true CN101285329B (en) | 2010-10-27 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103883054B (en) * | 2014-03-04 | 2015-12-30 | 石家庄铁道大学 | A kind of rope bar girt strip composite floor system and construction method thereof |
| CN105714966A (en) * | 2016-02-03 | 2016-06-29 | 湖北宇辉新型建筑材料有限公司 | Inverted laminated slab provided with elevation adjustment devices and construction method |
| CN106193408B (en) * | 2016-09-10 | 2017-05-03 | 天津大学 | Cable-stayed unbonded prestressed concrete flat slab |
| CN106545115B (en) * | 2016-11-25 | 2019-01-18 | 石家庄铁道大学 | The construction method of assembled steel concrete composite slab |
| CN109930744B (en) * | 2019-04-24 | 2023-08-22 | 洪成 | Assembled chord support roof structure system and construction method thereof |
| GB2619012A (en) * | 2022-05-19 | 2023-11-29 | Net Zero Projects Ltd | A structural slab and method of manufacture |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029522A (en) * | 2007-03-30 | 2007-09-05 | 北京工业大学 | Cord string branch dome |
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2008
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029522A (en) * | 2007-03-30 | 2007-09-05 | 北京工业大学 | Cord string branch dome |
Non-Patent Citations (4)
| Title |
|---|
| JP特开2005-23543A 2005.01.27 |
| JP特开2006-328631A 2006.12.07 |
| 单海军等.大跨度新型组合空心楼盖结构受力性能研究.《山西建筑》.2005,第31卷(第21期),77-78. * |
| 郭云.水泥厂大跨度空间网壳结构设计方案研究.《空间结构》.2007,第13卷(第4期),32-37. * |
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Assignee: Guangxi Mining and Construction Company Assignor: Tianjin University Contract record no.: 2011450000062 Denomination of invention: Suspendome concrete integrated floor structure and construction method thereof Granted publication date: 20101027 License type: Exclusive License Open date: 20081015 Record date: 20110822 |
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Granted publication date: 20101027 Termination date: 20210605 |
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