CN105369954A - Long-span prestressed concrete-filled steel tubular slab-frame structure garage slab - Google Patents
Long-span prestressed concrete-filled steel tubular slab-frame structure garage slab Download PDFInfo
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- CN105369954A CN105369954A CN201510688629.4A CN201510688629A CN105369954A CN 105369954 A CN105369954 A CN 105369954A CN 201510688629 A CN201510688629 A CN 201510688629A CN 105369954 A CN105369954 A CN 105369954A
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- plate
- steel tube
- concrete
- filled steel
- span prestressed
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a long-span prestressed concrete-filled steel tubular slab-frame structure garage slab which is a combined member. The combined member adopts steel as a lower part tension component in a prestressed beam slab, and adopts a high-strength concrete filled steel tube as a pressed component in the middle upper part of a corresponding rib, and the lower part tension component and the pressed component jointly form a slab-frame stressed structure member. The garage slab has the characteristics that a stress mode, mainly a bending mode, of the prestressed beam slab is changed, so that the cross section height can be reduced greatly. In addition, the compressive capacity of an upper part concrete filled steel tube chord member is increased by 3-4 times than that of normal concrete, so that the arch chord member can have smaller cross section, and the structural dead-weight and the construction cost can be reduced correspondingly.
Description
Art: building materials field
Background technology:
It is large that large-span prestressed groove-shaped laminated board is used for underground garage span, parking stall is many, attractive in appearance, the duration fast but 1, floor height is large, the use of large-span prestressed plate in underground garage is mainly limited to floor height, the cost of the high inevitable plate of floor height own is high, and it is dark to cut the earth, its earthwork or explosion, steel water proof exterior wall expense are large, and especially underground water anti-floating dispose costly, 2, effective area is little, and relative cost is larger.As 16.6 meters of groove type plates of design load every square metre 53,000 Ns, rib is up to 1.02 meters, add that the supporting part height of supporting beam is at about 0.5 meter, it is about 1.6 meters, and general arch without beam is if honeycomb core height is at about 0.6 meter, differ too large, and plate is wide only has 1.2 meters of effective areas too little, if plate is wide at 2.5 meters, rib is high need at about 1.7 meters, not only the cost of plate own is high far beyond economic rib, outside cannot using, underground garage often digs dark 1 meter of anti-floating dispose expense then increasing water, steel water proof exterior wall expense, earth excavation or blast cost are then at 250-450 unit/m
2left and right, cannot realize undoubtedly, and bending component cannot open large hole and trimming bar concrete disposal more complicated.
Summary of the invention: the invention provides a kind of large-span prestressed concrete filled steel tube framed plate structure garage plate for basement roof to solve the problem for the problems referred to above: as above 16.6 meters of groove type plates of design load every square metre 53,000 Ns, the following rib in plate face is high 0.5 meter, plate is wide reaches 2.5 meters, effective area is too large, total cost reduces about twice greatly, and floor height reduces, plate becomes stretch bending component by bending component below face, larger ventilation and lighting hole can be opened, on plate, arc concrete filled steel tube peak is about about 1.2 meters, cost is limited, effective area is large, square cost reduces by half again above, but it is stretched in earthing, disregard floor height, substantially reduce the earthwork and dig dark cost and cost own, improve prefabricated and transport benefits, and thickness of slab is 0.2 meter, not only meet structural requirement but also meet rigid waterproofing requirement.
A kind of large-span prestressed concrete filled steel tube framed plate structure garage plate, comprise large-span prestressed double-T steel tube-concrete composite structure garage plate, large-span prestressed single teeprofile concrete combined structure garage plate large-span prestressed channel-section steel pipe concrete combination structure garage plate, large-span prestressed F shape (large-span prestressed T plate removes a side wing edge) steel tube-concrete composite structure garage plate, it is characterized in that: this plate is combined member, configure prestress steel in prestressed girder rib of slab used to make lower tension parts and adopt high strength steel pipe concrete jointly to form as compressed member on corresponding rib of slab top, like this, change restressed beam slab based on by curved force modes, therefore significantly can reduce depth of section or increase the wide increase effective area of plate, its compression load force rate ordinary concrete of upper steel pipe concrete chord member improves 3-4 doubly simultaneously, thus chord of arch bar can use less steel tube section, and then correspondingly can alleviate dead load and construction costs, increase bearing capacity, increase the wide and effective area of plate, reduce rib height under plate face, and plate face upper steel pipe concrete is stretched among the earthing of top, disregard structure height, thus significantly reduce floor height, save cost, and for stretch bending component can open large hole below plate face, further, concrete filled steel tube is arch or fold-line-shaped, and straight shape then needs to add brace in this way, further, also can be changed into flat bar to reduce the height of chord of arch bar for circular pin in the middle part of plate arch top, large-span prestressed concrete filled steel tube framed plate structure garage, further, it arranges one montant every a segment distance and is connected with plate, further, concrete filled steel tube boom end is connected with embedded part on plate face, forms two-hinged arch structure, further, concrete filled steel tube boom end arranges H-shaped arch springing, plate face is arranged anti-thrust boot-shaped embedded part, the two is connected to form two-hinged arch structure with bolt, ensure that node does not produce moment of flexure, and utilize anti-thrust embedded part M-1 and concrete filled steel tube H type arch springing to form the mechanism of the huge thrust of mutual co-operation resisting structure, make that strand connecting axle is stressed to be reduced greatly, do not bear thrust and pressure, be only play opposing very little on lift up power and thus can manufacture with common iron, easy to process by detailing requiments determination diameter, quick for installation, save significantly, completely avoid conventional fabrication method, make of cast steel, and connecting bolt, the drawback that essential high-strength large-diameter steel make, further, also plate end plate face embedded part upper joint sleeve pipe and chord of arch pipe can connect into two-hinged arch, establish bolt in the middle of sleeve pipe is connected with chord of arch pipe, pitch is put in the inside, and silicone adhesive is put in outside, to ensure the following tension in plate face, upper portion pressurized, further, chord of arch pipe and plate face are arranged the hinged montant of rigidity not only having born pressure but also born pulling force, further, montant is done with steel pole, steel pipe, concrete filled steel tube bar, reinforcing bar, steel reinforced concrete pole or prestressed reinforced concrete bar, pre-stressed steel pipe concrete bar, further, two adjacent plates adjacent chord of arch bar plate carries out connecting or welding, further, arch concrete filled steel tube steel pipe leaves exhaust opening every a segment distance, further, Large Span Prestressed Beam slab pipe concrete combination structure garage plate, span is between 4-35 rice, and plate hight is below 0.4-3 rice, and plate is wide between 0.8-6 rice, does not contain the design load Qd every square of deadweight between 1.5-15 ton, further, large-span prestressed concrete filled steel tube framed plate structure garage rib of slab can punch, and on plate face, more common prestressed slab can open large hole in order to daylighting and ventilation, further, large-span prestressed concrete filled steel tube framed plate structure garage plate, closes bottom twice ribs or middle part, forms ventilation stack, further, under prescinding plate, rib 4 inferior horn is to reduce floor height, further, large-span prestressed concrete filled steel tube framed plate structure garage plate thickness of slab is 20 centimeters, has both met resistance to compression needs, adds that again above flexible water, 5 centimeters of concrete covers reach rigid waterproofing requirement, further, large-span prestressed concrete filled steel tube framed plate structure garage plate, position, termination, plate face has up and down exposes two placing of reinforcements and is connected with frame column or supporting beam, further, the large-span prestressed concrete filled steel tube framed plate structure of the large span for basement roof garage plate, plate face forms two slope or flat board in order to the draining of single span multispan, further, the large-span prestressed concrete filled steel tube framed plate structure of the large span for basement roof garage plate, top both sides of the chest form flat board or two slope, and concrete filled steel tube overarches, as straight shape need add brace.Further, a kind of large-span prestressed concrete filled steel tube framed plate structure garage plate, also can on plate face, garage, chord of arch bar and montant junction be provided with sleeve pipe, leaving certain gaps uncovered by the economic plan on described sleeve pipe, to entangle with montant or embedded part in order to arch bar and weld again; Further, concrete filled steel tube can be replaced with truss or not containing concrete steel pipe; Further, a kind of large-span prestressed concrete filled steel tube framed plate structure garage plated construction system, comprise large-span prestressed concrete filled steel tube framed plate structure garage plate and supporting beam, pillar, stablize connecting rod, be it is characterized in that: be placed on supporting beam disconnected for large-span prestressed concrete filled steel tube framed plate structure garage plate, two of adjacent for two, top T-shaped plate adjacent montant tops are connected with stabiliser bar or welds, two of two the adjacent trough slabs in top adjacent montant upper weld, again with micro expansive concrete or the mortar cementation of fissures, after roofing process, fill out backfill.Further, plate montant plate having nuclear blast to walk fire fighting truck especially is above strengthened; Further, between the adjacent chord of arch pipe of two adjacent panels, between end bay plate two chord of arch pipe, montant top carries out connecting or welding.
Accompanying drawing illustrates:
Fig. 3 is a kind of large-span prestressed concrete filled steel tube framed plate structure garage plate schematic diagram, and Fig. 3-1 is sectional drawing, and Fig. 3-2 is side elevational view, is wherein 1. 2. 3. 4. hinged bolt for the anti-thrust embedded part of boot-shaped for chord of arch bar H-shaped arch springing for chord of arch bar.
Fig. 1 is a kind of large-span prestressed channel-section steel pipe concrete combination structure garage plate schematic diagram, wherein, Fig. 1-1 for front elevation view Fig. 1-2 be side elevational view, wherein, 1 is large-span prestressed channel-section steel pipe concrete combination structure garage plate, 2 is concrete-filled steel tube arch chord member, and 3 is montant, and 4 stablize steel pipe for chord of arch bar, 5 for connecting the embedded part of chord of arch bar and plate face, the 6 two-hinged arch structures be connected to form for sleeve pipe and chord of arch pipe, 7 is sleeve pipe, and 8 is bolt.
Fig. 2 is a kind of large-span prestressed teeprofile concrete combined structure garage plate schematic diagram, wherein, Fig. 2-1 is front elevation view Fig. 2-2 is side elevational view, prestressing force T plate is identical with single T plate technique scheme therefore large-span prestressed double-T steel tube-concrete composite structure garage plate is example, in figure, 1 is large-span prestressed teeprofile concrete combined structure garage plate, 2 is concrete-filled steel tube arch chord member, 3 is montant, 4 stablize steel pipe for chord of arch bar, 5 for connecting chord of arch bar and plate face embedded part, the 6 two-hinged arch structures be connected to form for sleeve pipe and chord of arch pipe, 7 is sleeve pipe, 8 is bolt.
Detailed description of the invention:
As shown in Figure 3: 4. 3. 2. the H-shaped arch springing that 1. chord of arch bar is gone up carry out being connected to form two-hinged arch structure with spiral with the anti-thrust embedded part of boot-shaped that arranges on plate face.
As shown in Figure 1: on the plate face of prestressing force trough slab 1, especially ribbed back portion leaves embedded part 5, embedded part 5 to stretch under plate in rib, be connected with montant 3 there being concrete chord of arch bar 2 in steel pipe, embedded part 5 connects montant 3 and end sleeve 7, sleeve pipe 7 and end chord of arch pipe 2 are connected to form two-hinged arch structure 6, and wherein 8 is the bolt that sleeve pipe 7 is connected with end chord of arch pipe 2, pitch is put in the inside, and silicone adhesive is put in outside, adjacent two weld with chord of arch bar 2 Nodes across adjacent montant 3 top, 2 chord of arch bars 2 above end bay rib of slab with between montant 3 Nodes, stable steel pipe is set or reinforcing bar 4 is connected, just define large-span prestressed channel-section steel pipe concrete combination structure garage plate, in engineering construction structure, large-span prestressed channel-section steel pipe concrete combination structure garage plate 1 is placed on supporting beam or on bracket beam, plate face upper steel pipe concrete stretches in earthing, disregard structure height but participate in stressed preferably, increase load, increase effective area, reduce floor height, both the cost having saved plate self in turn saves digs deeply, save the earthwork or blast cost, save expensive steel water proof exterior wall and water anti-floating dispose expense, and several not being stressed in plate face can open large hole.
Two rows reinforcing bar can be exposed in plate termination, be connected with post or beam steel, form larger thrust stiffness and meet build-in needs.
Prestressing force T plate is identical with single T plate technique scheme therefore large-span prestressed double-T steel tube-concrete composite structure garage plate is example explanation, as shown in Figure 2: on the plate face of prestressing force T plate 1, especially ribbed back portion leaves embedded part 5, embedded part 5 to stretch under plate in rib, be connected with montant 3 there being concrete chord of arch bar 2 in steel pipe, embedded part 5 connects montant 3 and end sleeve 7, sleeve pipe 7 and end chord of arch pipe 2 are connected to form two-hinged arch structure 6, wherein 8 is the bolt that sleeve pipe 7 is connected with end chord of arch pipe 2, pitch is put in the inside, and silicone adhesive is put in outside, adjacent two arrange stable steel pipe across adjacent montant 3 top with chord of arch bar 2 Nodes or reinforcing bar 4 carries out being connected or welding, 2 chord of arch bars 2 above end bay rib of slab with between montant 3 Nodes, stable steel pipe is set or reinforcing bar 4 is connected, in engineering construction structure, large-span prestressed T plate and single T slab pipe concrete combination structure garage plate 1 are placed on supporting beam or on bracket beam, plate face upper steel pipe concrete stretches in earthing, disregard structure height but participate in stressed preferably, increase load, increase effective area, reduce floor height, both the cost having saved plate self in turn saves digs deeply, save the earthwork or blast cost, save expensive steel water proof exterior wall and water anti-floating dispose expense, and several not being stressed in plate face can open large hole, just define large-span prestressed teeprofile concrete combined structure garage plate body system,
Also two rows reinforcing bar can be exposed in plate termination, be connected with post and beam steel, form larger thrust stiffness and meet build-in requirement.
Second half flute profile of F shape plate half double-T thus F shape plate half adopts double-T half to adopt channel-section steel pipe concrete grillage combining structure garage plate scheme.
Claims (13)
1. a large-span prestressed concrete filled steel tube framed plate structure garage plate, comprise large-span prestressed double-T steel tube-concrete composite structure garage plate, large-span prestressed single teeprofile concrete combined structure garage plate, large-span prestressed channel-section steel pipe concrete combination structure garage plate, large-span prestressed F shape steel tube-concrete composite structure garage plate, it is characterized in that: this plate is combined member, utilize in prestressed girder rib of slab and configure prestress steel and make lower tension parts and adopt on corresponding rib of slab top high strength steel pipe concrete jointly to form as compressed member, like this, change restressed beam slab based on by curved force modes, therefore significantly can reduce depth of section or increase the wide increase effective area of plate, its compression load force rate ordinary concrete of upper steel pipe concrete chord member improves 3-4 doubly simultaneously, thus chord of arch bar can use less steel tube section, and then correspondingly can alleviate dead load and construction costs, increase bearing capacity, increase the wide and effective area of plate, reduce rib height under plate face, and plate face upper steel pipe concrete is stretched among the earthing of top, disregard structure height, thus significantly reduce floor height, save cost.
2. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 1 plate, is characterized in that: concrete filled steel tube is arch or fold-line-shaped, and straight shape then needs to add brace in this way.
3. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 1 plate, is characterized in that also can be flat bar for circular pin in the middle part of arch top.
4. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 1 plate is characterized in that: concrete filled steel tube boom end is connected with embedded part on plate face, forms two-hinged arch structure.
5. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 4 plate is characterized in that: concrete filled steel tube boom end arranges H-shaped arch springing, and plate face is arranged anti-thrust boot-shaped embedded part, the two is connected to form two-hinged arch structure with bolt.
6. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 4 plate is characterized in that: also plate end plate face embedded part upper joint sleeve pipe and chord of arch pipe can connect into two-hinged arch, bolt is established in the middle of sleeve pipe is connected with chord of arch pipe, pitch is put in the inside, and silicone adhesive is put in outside.
7. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 1 plate, is characterized in that: between chord of arch pipe and plate face, arrange the rigidity montant not only bearing pressure but also bear pulling force.
8. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 1 plate, it is characterized in that: between span 4-35 rice, plate hight is between 0.4-3 rice, and plate is wide between 0.8 meter-6 meters, does not contain the design load Qd every square of deadweight between 1.5-15 ton.
9. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 7 plate, is characterized in that: do montant with steel pole, steel pipe, concrete filled steel tube bar, reinforcing bar, steel reinforced concrete pole or prestressed reinforced concrete bar, pre-stressed steel pipe concrete bar.
10. a kind of large-span prestressed concrete filled steel tube framed plate structure garage as claimed in claim 1 plate, is characterized in that: can replace concrete filled steel tube with truss or not containing concrete steel pipe.
11. 1 kinds of large-span prestressed concrete filled steel tube framed plate structure garage plated construction systems, comprise large-span prestressed concrete filled steel tube framed plate structure garage plate and supporting beam, montant, pillar, stablize connecting rod, it is characterized in that: on frame column, Vierendeel girder is set, be placed on supporting beam disconnected for large-span prestressed concrete filled steel tube framed plate structure garage plate, two of adjacent for two, top T-shaped plate adjacent montant top stabiliser bars are connected, two of two the adjacent trough slabs in top adjacent montant tops are directly connected or welded, after roofing process, fills out backfill.
12. a kind of large-span prestressed garage as claimed in claim 11 slab pipe concrete combination structure systems, is characterized in that: plate montant plate having nuclear blast walk fire fighting truck especially is above strengthened.
13. a kind of large-span prestressed garage as claimed in claim 11 slab pipe concrete combination structure systems, is characterized in that: between end bay plate two chord of arch pipe, montant top connects with stabiliser bar or welds.
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CN201510688629.4A CN105369954A (en) | 2015-05-29 | 2015-10-14 | Long-span prestressed concrete-filled steel tubular slab-frame structure garage slab |
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CN201520375229 | 2015-05-29 | ||
CN201510688629.4A CN105369954A (en) | 2015-05-29 | 2015-10-14 | Long-span prestressed concrete-filled steel tubular slab-frame structure garage slab |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3409465A1 (en) * | 1984-03-15 | 1985-09-19 | Fertigbau Lindenberg Otto Quast GmbH & Co, 5905 Freudenberg | Concrete slab for building construction and civil engineering, and process for the production thereof |
CN1038322A (en) * | 1988-06-04 | 1989-12-27 | 浙江省科技咨询中心预应力大跨建筑技术服务部 | Multi-story long-span double-arch-centering structure system |
CN102322163A (en) * | 2010-06-18 | 2012-01-18 | 柳忠林 | Large-span large-load prestressed grooved laminated slab used as basement roof |
CN102776829A (en) * | 2012-08-16 | 2012-11-14 | 安徽省交通规划设计研究院有限公司 | Steel pipe concrete combined truss bridge |
CN103741797A (en) * | 2013-09-13 | 2014-04-23 | 柳忠林 | Prestressed concrete beam plate with upper portion provided with flexural steel bars and frame structure system |
CN104912243A (en) * | 2015-05-29 | 2015-09-16 | 柳承志 | Large-span prestressed concrete filled steel tube slab and frame combined structure garage slab |
-
2015
- 2015-10-14 CN CN201510688629.4A patent/CN105369954A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3409465A1 (en) * | 1984-03-15 | 1985-09-19 | Fertigbau Lindenberg Otto Quast GmbH & Co, 5905 Freudenberg | Concrete slab for building construction and civil engineering, and process for the production thereof |
CN1038322A (en) * | 1988-06-04 | 1989-12-27 | 浙江省科技咨询中心预应力大跨建筑技术服务部 | Multi-story long-span double-arch-centering structure system |
CN102322163A (en) * | 2010-06-18 | 2012-01-18 | 柳忠林 | Large-span large-load prestressed grooved laminated slab used as basement roof |
CN102776829A (en) * | 2012-08-16 | 2012-11-14 | 安徽省交通规划设计研究院有限公司 | Steel pipe concrete combined truss bridge |
CN103741797A (en) * | 2013-09-13 | 2014-04-23 | 柳忠林 | Prestressed concrete beam plate with upper portion provided with flexural steel bars and frame structure system |
CN204225273U (en) * | 2013-09-13 | 2015-03-25 | 柳忠林 | A kind of large-span prestressed groove type plate of upper bands bending steel muscle and frame construction |
CN104912243A (en) * | 2015-05-29 | 2015-09-16 | 柳承志 | Large-span prestressed concrete filled steel tube slab and frame combined structure garage slab |
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