CN106545115A - Assembled steel Combined concrete superstructure and its construction method - Google Patents
Assembled steel Combined concrete superstructure and its construction method Download PDFInfo
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- CN106545115A CN106545115A CN201611054428.XA CN201611054428A CN106545115A CN 106545115 A CN106545115 A CN 106545115A CN 201611054428 A CN201611054428 A CN 201611054428A CN 106545115 A CN106545115 A CN 106545115A
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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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/14—Load-carrying floor structures formed substantially of prefabricated units with beams or girders laid in two directions
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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Abstract
The invention discloses a kind of assembled steel Combined concrete superstructure, it is related to technical field of civil, including several superstructure units, superstructure unit includes four blocks of precast floor slabs in matrix pattern arrangement, four precast floor slab intersections are connected by square steel plate, square steel plate below superstructure unit is arranged often in be interval with support bar, it is list Pin superstructures that several superstructure units are connected by support bar lower end by steel cable, and steel cable two ends are connected with the connecting seat for being arranged on single two precast floor slab intersections in Pin superstructures end；By Pin superstructures assembling, and adjacent segment cast concrete, formed assembled steel Combined concrete superstructure；Precast floor slab is steel bar truss floor support plate of the surrounding with girt strip, and steel bar girder top rebars are exposed, steel bar girder bottom and surrounding girt strip are integrated by concrete cast, and the top cast-in-place concrete after the assembling of single Pin superstructures forms concrete cover.Precast floor slab of the present invention is adapted to standardized production, conducts oneself with dignity little, and overall security is good, and span is big, and it is convenient to construct.
Description
Technical field
The present invention relates to technical field of civil, more particularly to a kind of assembled steel concrete composite slab and its apply
Work method.
Background technology
At present, traditional roof boarding or floor are tied using the armored concrete such as rib beam type floor and cross beam formula floor mostly
Structure, general beam slab are supported by the pillar or load bearing wall of its underpart, are considered from structural mechanical property and economic angle, this floor
Form should not be used in the larger building of span, be usually used in residential construction.When building functional requirement its have it is larger across
When spending, such as stadiums, conference and exhibition center and workshop etc. are built, then must change the version of roof boarding, can be using pre-
Stress reinforced concrete girder slab system, Elements of Space Grid Truss or reinforced concrete combination rack system directly adopt steel structure system, but
These methods or still there is significant limitation in span, or fail concrete（Preferable pressurized characteristic）With steel
（Preferable tension characteristic）Material advantage give full play of.
In engineering, common floor structural form has armored concrete rib-beam floor frame and prestressed reinforced concrete superstructure etc.,
But when building planar dimension and post away from increase by 5～8 times, and interior without post when, if again use armored concrete Lei Xing buildings
Lid and prestressed reinforced concrete superstructure are infeasible.At present, for this large span (80m≤L≤150m) Large Column Spacing
The roof system of (32m≤a≤60m), typically using plate steel latticed structures, and is designed as three layers more, and its steel using amount is larger, reaches
lOOkg/m2More than, construction costs is higher.
In patent（CN101285329A）In disclose a kind of Suspendome concrete integrated floor, armoured concrete slab is using pre-
Making sheet, its underpart component are welded to connect by built-in fitting after being connected with each other again therewith, after the installation of each component in place, tensioning steel
Rope, then pours post-cast strip between plate, form removal and scaffold, ultimately forms Suspendome concrete integrated floor structure system, can
It is big across scope, construction and installation facility.But the armoured concrete slab of the superstructure is thicker floor, and floor is from great, floor
Between connecting structure it is unreliable, connected mode between strut and floor is complicated and deadlock phenomenon easily occurs, affects construction.
The content of the invention
The technical problem to be solved be to provide the fast assembled steel of a kind of reliable construction quality, speed of application-
Combined concrete superstructure and its construction method, the present invention can make full use of the material property of concrete and steel, mitigate structure certainly
Weight, increase structure are suitable for span, are particularly suited for the flooring or roofing system of the long span buildings such as stadiums.
To solve above-mentioned technical problem, the technical solution used in the present invention is：
Assembled steel concrete composite slab, including several superstructure units, the superstructure unit include four pieces in matrix pattern cloth
The precast floor slab put, the built-in fitting of four precast floor slab intersection lower surfaces are connected by square steel plate, and four precast floor slabs are two-by-two
Be connected by the built-in fitting in precast floor slab between adjacent surface and adjacent superstructure unit, and the gap of adjacent surface in perfusion coagulation
Soil, is interval with support bar in often arranging the square steel plate below superstructure unit, the support bar lower end by steel cable by several
For list Pin superstructures, the steel cable two ends are connected the series connection of superstructure unit with connecting seat, and the connecting seat is fixedly installed on single Pin buildings
The lower surface of the two precast floor slab intersections in lid end；Several single Pin superstructures are sequentially connected composition assembled steel-coagulation local soil type
Close superstructure；The precast floor slab is steel bar truss floor support plate of the surrounding with girt strip, the reinforcing bar in the girt strip and top rebars purlin
Reinforcing bar in frame is connected and constitutes steel reinforcement cage, and the steel bar girder top rebars of the precast floor slab are exposed, steel bar girder bottom and four
All girt strips are integrated by concrete cast；After Pin superstructures assembling, the top and contiguous prefabricated floor gap of precast floor slab is poured again
Note concrete, forms the concrete cover of integral type at the top of single Pin superstructures.
Preferably, the support bar includes strut and lower supporting rod, and the upper strut upper end is fixedly linked with square steel plate, institute
Strut lower end is stated with lower supporting rod upper end by rotating shaft pivot joint, the lower supporting rod lower end is connected with steel cable.
Preferably, the lower supporting rod lower end is connected with steel cable by connecting cover plate, and the connecting cover plate includes center band
The upper dome plate and lower dome plate of groove, the upper dome plate are fixedly connected with lower supporting rod lower end, the upper dome
Plate and lower dome plate docking rear center groove constitute a through hole, and the steel cable is arranged through through hole, the upper dome
Plate and lower dome plate are fixed by high-strength bolt.
Preferably, it is connected by frame-type connector between contiguous prefabricated floor, the frame-type connector and precast floor slab
In built-in fitting be connected.
Preferably, the built-in fitting in the precast floor slab is pre-embedded bolt, and the frame-type connector includes the first I-shaped
Steel and junction steel plate, the junction steel plate vertical welding are fixed on the upper lower flange and web both sides of the first I-steel, the company
Connecing on steel plate, and connecting hole being arranged with opposite webs, on the junction steel plate, connecting hole is coordinated with pre-embedded bolt.
Preferably, between the upper strut and square steel plate, floor is equipped between upper dome plate and lower supporting rod.
Preferably, the precast floor slab outer face with connecting seat is provided with the attachment structure being connected with pre embedded bolt on body of wall,
The attachment structure includes connecting plate and the second I-steel, and the built-in fitting of the connecting plate and precast floor slab side is fixed, described
The upper lower flange of connecting plate and the second I-steel and web vertical welding are fixed；The second I-steel bottom edge of a wing be provided with
The gap that pre embedded bolt coordinates, welding baffle on the outside of the gap.
Preferably, the concrete for irrigating between the concrete cover and precast floor slab selects lightweight concrete.
The present invention also provides the construction method of above-mentioned assembled steel concrete composite slab, comprises the following steps,
（One）, set up scaffold and do temporary support；
（Two）, assembling superstructure unit：Junction steel plate is welded on the first I-steel web both sides by prefabricated frame posture connector, will
Four blocks of precast floor slabs are arranged in matrix pattern, by the connection on the pre-embedded bolt on contiguous prefabricated floor side two-by-two and junction steel plate
Hole coordinates to be fixed, and the pre-embedded bolt of four precast floor slab intersection lower surfaces is fixed through square steel plate with nut, prefabricated by four pieces
Floor is assembled into superstructure unit；
（Three）, assembling list Pin superstructures：Superstructure unit is sequentially connected in series, the pre-embedded bolt and company on contiguous prefabricated floor side
Connect connecting hole on steel plate coordinate, and the fastening of end nut after it is fixed, support in the square steel plate interval welding below superstructure unit
Bar, by upper strut with lower supporting rod by rotating shaft pivot joint, upper dome plate with groove is welded in lower supporting rod lower end, in two ends superstructure list
Pre-embedded bolt and the connecting seat of two precast floor slab intersections of unit is matched somebody with somebody to merge and is fixed with nut；Steel cable is sequentially passed through into square steel
The groove of upper dome plate lower end below plate, lower dome plate with groove are connected solid by high-strength bolt with upper dome plate
It is fixed, so as to the steel cable for passing through is securely fixed；The two ends of steel cable are connected with connecting seat；By stretch-draw jack at one end
Prestressing force is applied to steel cable so that a Pin precast floor slabs arch camber is to calculated value, in the gap of contiguous prefabricated floor and
Upper pouring concrete, completes the assembling of a Pin superstructures；
（Four）, by step（Three）Sequence of construction make next Pin superstructures and with the gap between two Pin superstructures of concreting,
Finally it is assembled into one, forms assembled steel concrete composite slab；
（Five）, after construction finishes, dismantle scaffold, the dismounting mode of its hand cradle can be using being dismantled from one end to the other end by Pin.
Using the beneficial effect produced by above-mentioned technical proposal it is：The present invention adopts reinforcing bar purlin of the bottom surrounding with girt strip
Frame floor support plate is precast floor slab, 4 precast floor slabs is constituted a superstructure unit first, then the superstructure unit being in a row connected is used
Steel cable connects into single Pin superstructures, to steel cable stretch-draw prestressing force, then pours into a mould top concrete protective layer again；Assemble by Pin,
Concrete is poured into a mould between Pin and Pin, assembled steel concrete composite slab is ultimately formed.It is of the invention with original building without girt strip
Lid is compared, and deadweight is greatly reduced, and more preferably, more preferably, span is bigger for safety for the globality of structure；It is adapted to standardization simultaneously extensive
Production, precast floor slab steady quality, interchangeability are good, highly versatile, economical rationality；Construction is convenient, and construction workload is little, reduces behaviour
Make personnel labor intensity；It is particularly suited for the roofing system of the long span buildings such as stadiums.
Description of the drawings
Fig. 1 is the structural representation of assembled steel concrete composite slab provided in an embodiment of the present invention；
Fig. 2 is the structural representation of frame-type connector；
Fig. 3 is the partial enlarged drawing in Fig. 1 at B；
Fig. 4 is the partial enlarged drawing in Fig. 1 at C；
Fig. 5 is the connection diagram of four precast floor slabs in superstructure unit；
Fig. 6 is that A does not pour into a mould concrete state diagram at the top of precast floor slab in Fig. 1；
In figure：1- precast floor slabs, 2- square steel plates, 3- support bars, 4- steel cables, 5- connecting seats, 6- girt strips, 7- steel bar girders, 8-
Upper strut, 9- lower supporting rods, 10- connecting cover plates, 11- upper dome plates, 12- lower dome plates, 13- high-strength bolts, the pre-buried spiral shells of 14-
Bolt, the first I-steel of 15-, 16- junction steel plates, 17- connecting holes, 18- floors, the second I-steel of 19-, 20- gap, 22- rotating shafts,
23- contiguous blocks.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and it is embodied as
Example, the present invention is further detailed explanation.It should be appreciated that specific embodiment described herein is only to explain this
It is bright, it is not intended to limit the present invention.
As shown in Figure 1,5, the assembled steel concrete composite slab that the present invention is provided, including several superstructure units, institute
Stating superstructure unit includes four blocks of precast floor slabs 1 in matrix pattern arrangement, and the built-in fitting of four 1 intersection lower surfaces of precast floor slab leads to
Cross square steel plate 2 to be connected, four precast floor slabs 1 are two-by-two between adjacent surface and adjacent superstructure unit by pre-buried in precast floor slab 1
Part be connected, and the gap of adjacent surface in concrete perfusion, often arrange superstructure unit below square steel plate 2 in be interval with support bar 3,
Several superstructure units are connected as list Pin superstructures, 4 two ends of the steel cable and company by steel cable 43 lower end of the support bar
Joint chair 5 is connected, and the connecting seat 5 is fixedly installed on the lower surface of two 1 intersections of precast floor slab in single Pin superstructures end；Several
Single Pin superstructures are sequentially connected composition assembled steel concrete composite slab；The precast floor slab 1 is reinforcing bar of the surrounding with girt strip 6
Truss floor support plate, the reinforcing bar in the girt strip 6 are connected with the reinforcing bar in top rebars truss 7 and constitute steel reinforcement cage, the prefabricated building
7 top rebars of steel bar girder of plate 1 are exposed, 7 bottom of steel bar girder and surrounding girt strip 6 are integrated by concrete cast, in a Pin
After superstructure assembling, concrete is poured into a mould at the top and contiguous prefabricated floor gap of precast floor slab 1 again, at the top of single Pin superstructures forms one
The concrete cover of body formula.
Adopt steel bar truss floor support plate of the bottom surrounding with girt strip for precast floor slab, deadweight is substantially reduced, per 4 prefabricated buildings
Plate constitutes a superstructure unit, then the superstructure unit steel cable being in a row connected is connected into single Pin superstructures, then pours into a mould top again
Portion's concrete cover；It is last to pour into a mould concrete by Pin assemblings, between Pin and Pin, form assembled steel concrete composite slab.
More preferably, more preferably, span is bigger for safety for the globality of this assembled steel-Combined concrete building cover structure；Make full use of simultaneously
The material property of concrete and steel, economical rationality；And it is high using the prefabricated degree of precast floor slab, it is more suitable for standardization extensive
Production, more convenient and quicker of constructing.
As shown in figure 3, the support bar 3 includes strut 8 and lower supporting rod 9,8 upper end of upper strut is solid with square steel plate 2
It is fixed to be connected, 8 lower end of upper strut and 9 upper end pivot joint of lower supporting rod, 9 lower end of the lower supporting rod is connected with steel cable 4.Split type
Support bar is more convenient to be made and installing/dismounting, can also reduce its in operation force in radial it is excessive and cause upper strut with
There is fracture in square steel plate junction, while also allowing for the installation of steel cable or applying prestressing force.
Further, 9 lower end of the lower supporting rod is connected with steel cable 4 by connecting cover plate 10, and the connecting cover plate 10 is wrapped
Center upper dome plate 11 with groove and lower dome plate 12 are included, the upper dome plate 11 is fixed with 9 lower end of lower supporting rod and connected
Connect, the upper dome plate 11 and the docking of lower dome plate 12 rear center groove constitute a through hole, and the steel cable 4 is through logical
Hole is arranged, and the upper dome plate 11 and lower dome plate 12 are fixed by high-strength bolt 13, so as to steel cable 4 is tightly blocked
Extremely.Connecting cover plate is designed from split-type structural, while convenient making and installing/dismounting, also reduces making and operation is difficult
Degree coefficient.
In one particular embodiment of the present invention, the upper strut 8, lower supporting rod 9 are round steel pipe, 8 lower end of upper strut
Soldering and sealing circular end plate, two pieces of otic placodes of vertical position welding below end plate, 9 upper end of lower supporting rod are flattened and perforate, the otic placode and lower supporting rod of upper strut
By 22 pivot joint of rotating shaft.In order to reinforce upper strut 8 and lower supporting rod 9, between the upper strut 8 and square steel plate 2, upper dome plate 11
Floor 18 is equipped with between lower supporting rod 9.
In a preferred embodiment of the invention, it is connected by frame-type connector between contiguous prefabricated floor 1, the frame
Posture connector is connected with the built-in fitting in precast floor slab 1.
Wherein, the built-in fitting in the precast floor slab 1 is pre-embedded bolt 14；As shown in Fig. 2 the frame-type connector bag
The first I-steel 15 and junction steel plate 16 are included, 16 vertical welding of the junction steel plate is fixed on the upper lower flange of the first I-steel 15
And web both sides, on the junction steel plate 16, and connecting hole 17 is arranged with opposite webs, connect on the junction steel plate 16
Hole 17 is coordinated with pre-embedded bolt 14.Connection between the more convenient precast floor slab of this kind of structure.
As shown in fig. 6,1 outer face of precast floor slab with connecting seat 5 is provided with wall, on post or beam, pre embedded bolt is connected
Attachment structure, the attachment structure includes connecting plate and the second I-steel 19, and the connecting plate is pre- with 1 side of precast floor slab
Embedded part is fixed, and the upper lower flange of the connecting plate and the second I-steel 19 and web vertical welding are fixed；Second I-steel
The 19 bottoms edge of a wing are provided with the gap 20 coordinated with pre embedded bolt, 20 outside welding baffle of the gap.Connecting plate can select steel
Second I-steel of welding steel is arranged on precast floor slab side by plate first, when concrete is poured into a mould in precast floor slab gap, will
Second I-steel and steel plate are also cast in concrete, only bottom reserving hole, by the second I-steel bottom edge of a wing and its under
Side is exposed out, reserves installation gap；At the edge of a wing of precast floor slab side the second I-steel bottom on gap and wall, post or beam
After upper pre embedded bolt is fixed with merging nut, then in lower flange gap outer ledge welding baffle, pre embedded bolt is made to have along steel
The sliding space in drag-line direction simultaneously prevents which from skidding off.After pre embedded bolt insertion gap, backing plate is set with the top of pre embedded bolt, so
The chain intermittent weld baffle plate again on the outside of the backing plate afterwards, the baffle plate level are welded on the second I-steel bottom edge of a wing face with gap,
Finally by the reserving hole Concrete Filled of assembled steel concrete composite slab side.
In order to mitigate overall weight, the concrete irrigated between the concrete cover and precast floor slab 1 selects lightweight
Concrete.Wherein, the lightweight concrete can select haydite concrete, light aggregate concrete or air entrained concrete.
The present invention also provides the construction method of above-mentioned assembled steel concrete composite slab, comprises the following steps,
（One）, set up scaffold and do temporary support；
（Two）, assembling superstructure unit：Junction steel plate 16 is welded on 15 web two of the first I-steel by prefabricated frame posture connector
Side, by four blocks of precast floor slabs 1 in matrix pattern arrange, by the pre-embedded bolt 14 on 1 side of contiguous prefabricated floor two-by-two be connected steel
Connecting hole 17 on plate 16 coordinates to be fixed, and the pre-embedded bolt 14 of four 1 intersection lower surfaces of precast floor slab uses spiral shell through square steel plate 2
It is female fixed, superstructure unit is assembled into by four blocks of precast floor slabs 1；
（Three）, assembling list Pin superstructures：Superstructure unit is sequentially connected in series, the pre-embedded bolt 14 on 1 side of contiguous prefabricated floor
With the connecting hole on junction steel plate 16 coordinate, and end nut fastening after fixed, the interval of square steel plate 2 weldering below superstructure unit
Strut 8 is connected, by upper strut 8 with lower supporting rod 9 by 22 pivot joint of rotating shaft, upper dome plate with groove is welded in 9 lower end of lower supporting rod
11, lower dome plate 12 with groove is connected with upper dome plate 11 by high-strength bolt 13, and upper dome plate 11 is with
The docking of portion's closing disk 12 rear center groove constitutes a through hole；Two 1 intersections of precast floor slab of two ends superstructure unit it is pre-buried
Bolt 14 and connecting seat 5 are fixed with nut with merging.
As shown in figure 4, the connecting seat 5 includes junction steel plate 16 and contiguous block 23, junction steel plate is prefabricated with two first
The pre-embedded bolt of floor intersection is fixed with nut with merging, and in the middle part of junction steel plate, the contiguous block end of vertical welding can be with steel
Drag-line is bolted.
Steel cable 4 is sequentially passed through into the through hole that 2 lower section upper dome plate 11 of square steel plate and lower dome plate 12 are constituted, steel draws
4 two ends of rope are connected with connecting seat 5；Prestressing force is applied to steel cable 4 by stretch-draw jack, a Pin superstructure arch cambers is made to theory
Value of calculation, forms concrete cover in the gap of contiguous prefabricated floor 1 and upper pouring concrete, completes the group of a Pin superstructures
Dress；
（Four）, by step（Three）Sequence of construction make next Pin superstructures and with the gap between two Pin superstructures of concreting,
Finally it is assembled into one, forms assembled steel concrete composite slab；
（Five）, construction finish after, dismantle scaffold, its dismounting mode can using from one end to the other end by Pin dismantle.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fall in the protection domain of the claims in the present invention with modification.
Claims (9)
1. assembled steel concrete composite slab, it is characterised in that：Including several superstructure units, the superstructure unit includes
Four blocks of precast floor slabs in matrix pattern arrangement（1）, four precast floor slabs（1）The built-in fitting of intersection lower surface passes through square steel plate
（2）It is connected, four precast floor slabs（1）Pass through precast floor slab two-by-two between adjacent surface and adjacent superstructure unit（1）In built-in fitting
Be connected, and the gap of adjacent surface in concrete perfusion, often arrange superstructure unit below square steel plate（2）In be interval with support bar
（3）, the support bar（3）Lower end passes through steel cable（4）Several superstructure units are connected as list Pin superstructures, the steel cable
（4）Two ends and connecting seat（5）It is connected, the connecting seat（5）It is fixedly installed on the precast floor slab of single Pin superstructures end two（1）Have a common boundary
The lower surface at place；Several single Pin superstructures are sequentially connected composition assembled steel concrete composite slab；The precast floor slab（1）
For surrounding band girt strip（6）Steel bar truss floor support plate, the girt strip（6）In reinforcing bar and top rebars truss（7）In reinforcing bar
It is connected and constitutes steel reinforcement cage, the precast floor slab（1）Steel bar girder（7）Top rebars are exposed, steel bar girder（7）Bottom and surrounding
Girt strip（6）It is integrated by concrete cast；The precast floor slab after Pin superstructures assembling（1）Top and contiguous prefabricated floor（1）
Concrete is poured into a mould in gap again, and the concrete cover of integral type is formed at the top of single Pin superstructures.
2. assembled steel concrete composite slab according to claim 1, it is characterised in that：The support bar（3）Including
Upper strut（8）And lower supporting rod（9）, the upper strut（8）Upper end and square steel plate（2）It is fixedly linked, the upper strut（8）Lower end with
Lower supporting rod（9）Upper end passes through rotating shaft（22）Pivot joint, the lower supporting rod（8）Lower end and steel cable（4）It is connected.
3. assembled steel concrete composite slab according to claim 2, it is characterised in that：The lower supporting rod（9）Lower end
By connecting cover plate（10）With steel cable（4）It is connected, the connecting cover plate（10）Including center upper dome plate with groove
（11）With lower dome plate（12）, the upper dome plate（11）With lower supporting rod（9）Lower end is fixedly connected, the upper dome plate
（11）With lower dome plate（12）Docking rear center groove constitutes a through hole, the steel cable（4）Arrange through through hole, it is described
Upper dome plate（11）With lower dome plate（12）By high-strength bolt（13）It is fixed.
4. assembled steel concrete composite slab according to claim 3, it is characterised in that：Contiguous prefabricated floor（1）Between
It is connected by frame-type connector, the frame-type connector and precast floor slab（1）In built-in fitting be connected.
5. assembled steel concrete composite slab according to claim 4, it is characterised in that：The precast floor slab（1）In
Built-in fitting be pre-embedded bolt（14）, the frame-type connector includes the first I-steel（15）And junction steel plate（16）, it is described
Junction steel plate（16）Vertical welding is fixed on the first I-steel（15）Upper lower flange and web both sides, the junction steel plate（16）
Above, and connecting hole is arranged with opposite webs（17）, the junction steel plate（16）Upper connecting hole（17）With pre-embedded bolt（14）
Coordinate.
6. assembled steel concrete composite slab according to claim 2, it is characterised in that：The upper strut（8）With side
Steel plate（2）Between, upper dome plate（11）With lower supporting rod（9）Between be equipped with floor（18）.
7. assembled steel concrete composite slab according to claim 1, it is characterised in that：With connecting seat（5）It is pre-
Floor processed（1）Outer face is provided with the attachment structure being connected with pre embedded bolt on body of wall, and the attachment structure includes connecting plate and
Two I-steel（19）, the connecting plate and precast floor slab（1）The built-in fitting of side is fixed, the connecting plate and the second I-steel
（19）Upper lower flange and web vertical welding fix；Second I-steel（19）The bottom edge of a wing is provided with is matched somebody with somebody with pre embedded bolt
The gap of conjunction（20）, the gap（20）Outside welding baffle.
8. assembled steel concrete composite slab according to claim 1, it is characterised in that：The concrete cover
And precast floor slab（1）Between the concrete that irrigates select lightweight concrete.
9. the construction method of assembled steel concrete composite slab as claimed in claim 5, it is characterised in that：Including following
Step,
（One）, set up scaffold and do temporary support；
（Two）, assembling superstructure unit：Prefabricated frame posture connector, by junction steel plate（16）It is welded on the first I-steel（15）Web
Both sides, by four blocks of precast floor slabs（1）Arrange in matrix pattern, will contiguous prefabricated floor two-by-two（1）Pre-embedded bolt on side（14）
With junction steel plate（16）On connecting hole（17）Coordinate and fix, four precast floor slabs（1）The pre-embedded bolt of intersection lower surface
（14）Through square steel plate（2）Fixed with nut, by four blocks of precast floor slabs（1）It is assembled into superstructure unit；
（Three）, assembling list Pin superstructures：Superstructure unit is sequentially connected in series, contiguous prefabricated floor（1）Pre-embedded bolt on side
（14）With junction steel plate（16）On connecting hole coordinate, and end nut fastening after fixed, the square steel plate below superstructure unit
（2）The upper strut of interval welding（8）, by upper strut（8）With lower supporting rod（9）By rotating shaft（22）Pivot joint, lower supporting rod（9）Weld lower end
Upper dome plate with groove（11）, two precast floor slabs of superstructure unit at two ends（1）The pre-embedded bolt of intersection（14）With
Connecting seat（5）Fixed with nut with merging；By steel cable（4）Sequentially pass through square steel plate（2）Lower section upper dome plate（11）Lower end
Groove, lower dome plate with groove（12）By high-strength bolt（13）With upper dome plate（11）It is connected, so as to incite somebody to action
The steel cable for passing through is securely fixed；Steel cable（4）Two ends and connecting seat（5）Connection；By stretch-draw jack pair at one end
Steel cable（4）Apply prestressing force, so that a Pin precast floor slabs（1）Arch camber to calculated value, in contiguous prefabricated floor（1）'s
Gap and upper pouring concrete, complete the assembling of a Pin superstructures；
（Four）, by step（Three）Sequence of construction make next Pin superstructures and with the gap between two Pin superstructures of concreting,
Finally it is assembled into one, forms assembled steel concrete composite slab；
（Five）, after construction finishes, dismantle scaffold, the dismounting mode of its hand cradle can be using being dismantled from one end to the other end by Pin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611054428.XA CN106545115B (en) | 2016-11-25 | 2016-11-25 | The construction method of assembled steel concrete composite slab |
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| CN201611054428.XA CN106545115B (en) | 2016-11-25 | 2016-11-25 | The construction method of assembled steel concrete composite slab |
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| CN106545115B CN106545115B (en) | 2019-01-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988479A (en) * | 2017-04-06 | 2017-07-28 | 清华大学 | The pre-buried system and its application process of FRP battenboards |
| CN110748063A (en) * | 2019-10-31 | 2020-02-04 | 中国一冶集团有限公司 | Assembled steel bar truss floor support plate with support |
| CN111236517A (en) * | 2020-03-10 | 2020-06-05 | 朱辉祖 | Detachable prestressed reinforcement truss superimposed sheet |
| CN115467408A (en) * | 2022-09-23 | 2022-12-13 | 扬州大学 | Assembled self-balancing cable steel-wood structure system |
| CN115467408B (en) * | 2022-09-23 | 2024-10-18 | 扬州大学 | Assembled self-balancing inhaul cable steel-wood structure system |
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| CN101285329A (en) * | 2008-06-05 | 2008-10-15 | 天津大学 | Suspendome concrete integrated floor structure and construction method thereof |
| CN103741812A (en) * | 2013-11-29 | 2014-04-23 | 湖北弘毅建设有限公司 | Connection joint of steel reinforced concrete superposed beams and middle column |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988479A (en) * | 2017-04-06 | 2017-07-28 | 清华大学 | The pre-buried system and its application process of FRP battenboards |
| CN110748063A (en) * | 2019-10-31 | 2020-02-04 | 中国一冶集团有限公司 | Assembled steel bar truss floor support plate with support |
| CN110748063B (en) * | 2019-10-31 | 2021-06-29 | 中国一冶集团有限公司 | Assembled steel bar truss floor support plate with support |
| CN111236517A (en) * | 2020-03-10 | 2020-06-05 | 朱辉祖 | Detachable prestressed reinforcement truss superimposed sheet |
| CN115467408A (en) * | 2022-09-23 | 2022-12-13 | 扬州大学 | Assembled self-balancing cable steel-wood structure system |
| CN115467408B (en) * | 2022-09-23 | 2024-10-18 | 扬州大学 | Assembled self-balancing inhaul cable steel-wood structure system |
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