CN206233434U - A kind of assembled steel framework prefabricated concrete floor structure - Google Patents
A kind of assembled steel framework prefabricated concrete floor structure Download PDFInfo
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- CN206233434U CN206233434U CN201621229209.6U CN201621229209U CN206233434U CN 206233434 U CN206233434 U CN 206233434U CN 201621229209 U CN201621229209 U CN 201621229209U CN 206233434 U CN206233434 U CN 206233434U
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- reinforcing bar
- steel
- reinforcement
- slab
- prestressed hollow
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Abstract
A kind of assembled steel framework prefabricated concrete floor structure, including steel frame and prefabricated concrete floor, the steel frame include steel column and girder steel, and the prefabricated concrete floor is located at the top of the girder steel and is arranged on girder steel by connector；The prefabricated concrete floor is prestressed hollow slab.The utility model provides a kind of low cost, the assembled steel framework prefabricated concrete floor structure easily promoted.
Description
Technical field
The utility model belongs to assembled architecture technical field, more particularly to a kind of assembled steel framework concrete Tulou
Hardened structure.
Background technology
Industrialized building at home and abroad progressively substitutes extensive field fabrication building, prefabricated using batch production, in building work
Field assembling, is the direction of construction industry development, it has also become the national strategy of Building Trade in China development is carried out energetically.At present in work
The principal mode of industryization building is prefabricated concrete structure, in view of the huge stocks of China's output of steel and steel construction are built in city
If middle environmentally friendly, efficient advantage, it is also a developing direction to widely popularize steel building.
Existing steel building be mainly factory make steel structure girder, post component, frame structure is assembled at the scene,
Casting concrete structure superstructure at the scene again.One of advantage of this structural system is can be by by cast-in-place concrete structure superstructure
Steel structure frame is closely linked to be entirety, while meeting the functions such as interlayer sound-insulating；But there is a deadly defect in this system
Be exactly cast-in-place concrete amount it is big, it is necessary to it is artificial many, in addition it is also necessary to a number of template and support etc., and on-site concrete
Construction brings larger dust, and urban environment is had a certain impact.
The content of the invention
In order to overcome the shortcomings of that prior art is present, the utility model provides a kind of low cost, the assembled steel easily promoted
Framework prefabricated concrete floor structure.
The utility model solves the technical scheme that its technical problem used：
A kind of assembled steel framework prefabricated concrete floor structure, including steel frame and prefabricated concrete floor, the steel
Framework includes steel column and girder steel, and the prefabricated concrete floor is located at the top of the girder steel and is arranged on girder steel by connector
On；
The prefabricated concrete floor is prestressed hollow slab.
Further, the top of the prestressed hollow slab is provided with plate face reinforcing bar, the middle part of the prestressed hollow slab
Hollow bore is provided with along span direction, the bottom of the prestressed hollow slab is equipped with reinforcement, the plate face reinforcing bar
Along span direction is horizontally disposed and its two ends is equipped with overhanging section, the reinforcement along span direction it is horizontally disposed and its
Two ends are equipped with overhanging section, and the plate face reinforcing bar is nonprestressed reinforcement, and the reinforcement includes deformed bar and non-pre-
Stress reinforcing bar, and deformed bar and nonprestressed reinforcement arranged for interval；
The connector is connection short slab, and the bottom of the connection short slab is provided with along prestressed hollow slab span direction
For the overhanging section of preformed hole for passing through of reinforcement, the connection short slab is welded on the upper table of the girder steel into two row discontinuous
On face, the plate face reinforcing bar is located at the top of the connection short slab.
Further, it is arranged on overhanging section of reinforcement of the prestressed hollow slab of adjacent two pieces of girder steel both sides simultaneously
Two through same row connect the preformed hole of short slab, and buckle chuck by two deformed bars of reinforcement by reinforcing bar
Overhanging section of clamping, the reinforcing bar buckles chuck and is located between two connection short slabs, two nonprestressed reinforcements of reinforcement
The overhanging section of preformed holes through two of same row connection short slabs be directly welded on connection short slab；
Plate face connection reinforcing bar is additionally provided with above the girder steel, the plate face connection reinforcing bar is located at adjacent two pieces of prestressing force
Between cassette ceiling, and its left and right two ends is connected with two blocks overhanging section of the plate face reinforcing bar of prestressed hollow slab respectively；
It is arranged on girder steel and between adjacent two pieces of prestressed hollow slabs in prestressed hollow slab span direction
Cast-in-place concrete connecting portion is provided with, the upper surface of the cast-in-place concrete connecting portion is neat with the upper surface of prestressed hollow slab
It is flat, overhanging section of the plate face reinforcing bar of adjacent two pieces of prestressed hollow slabs, plate face connection reinforcing bar, connection short slab, adjacent two pieces it is pre-
Overhanging section of the reinforcement of stress cassette ceiling, reinforcing bar buckles chuck and is respectively positioned in the cast-in-place concrete connecting portion；
On the direction vertical with prestressed hollow slab span direction, splice between adjacent two pieces of prestressed hollow slabs,
And its edge joint position is perfused with cement mortar.
Further, the upper surface floor lay-down location in girder steel is pasted with coating foams adhesive tape along beam length direction, described pre-
Stress cassette ceiling is shelved on coating foams adhesive tape.
Further, it is that an inwall is carved with dental impression, outer surface and has the steel set of mechanical indentation that the reinforcing bar buckles chuck
Cylinder.
Reinforcing bar buckles chuck and is provided with two, and two reinforcing bars buckle chuck and are symmetrically arranged.
The volume hollow rate of the prestressed hollow slab is less than or equal to 40%.
The beneficial effects of the utility model are mainly manifested in：Batch production prefabricating technique is also adopted by the superstructure in building, will
Prefabricated concrete floor is lifted at the scene, and only the junction to prefabricated concrete floor pours a small amount of concrete, is allowed to
Reach integrally-built function；Due to the concrete floor that is prefabricated in the factory, the construction quality of concrete is greatly improved, while adopting
Prestressed hollow slab technology is used, the overall deadweight of structure can be by a relatively large margin reduced, it is possible to decrease to the processing requirement of ground, favorably
In building reduction construction costs；Overcome the difficulty that current steel building construction costs is high, be difficult popularization.
Brief description of the drawings
Fig. 1 is the structural representation that two row discontinuous short slabs are welded in girder steel upper surface.
Fig. 2 is girder steel section enlarged diagram.
Fig. 3 is prefabricated concrete floor structural representation.
Fig. 4 is prefabricated concrete floor schematic cross-section.
Fig. 5 is prefabricated concrete floor connection diagram on girder steel.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
1~Fig. 5 of reference picture, a kind of assembled steel framework prefabricated concrete floor structure, including steel frame and concrete
Tulou plate, the steel frame includes steel column and girder steel 1, and the prefabricated concrete floor is located at the top of the girder steel 1 and passes through
Connector is arranged on girder steel 1；
The prefabricated concrete floor is prestressed hollow slab.
Further, the top of the prestressed hollow slab is provided with plate face reinforcing bar 7, the middle part of the prestressed hollow slab
Hollow bore 11 is provided with along span direction, the bottom of the prestressed hollow slab is equipped with reinforcement, the plate face steel
Muscle 7 is horizontally disposed along span direction and its two ends is equipped with overhanging section 8, and the reinforcement is horizontally disposed along span direction
And its two ends is equipped with overhanging section 9, the plate face reinforcing bar is nonprestressed reinforcement, and the reinforcement includes deformed bar 5
With nonprestressed reinforcement 6, and deformed bar 5 and the arranged for interval of nonprestressed reinforcement 6；
The connector is connection short slab 3, and the bottom of the connection short slab 3 sets along prestressed hollow slab span direction
Have for overhanging section of the reinforcement preformed hole 4 for passing through, the connection row discontinuous of 3 one-tenth of short slab two is welded on the girder steel 1
Upper surface on, the plate face reinforcing bar 7 be located at it is described connection short slab 3 top.
Further, be arranged on the reinforcement of the prestressed hollow slab of adjacent two pieces of the both sides of girder steel 1 overhanging section is 9 same
When through two of the same row preformed holes for connecting short slab 3, and chuck 12 is buckled by reinforcing bar should by two the pre- of reinforcement
Overhanging section of power reinforcing bar 5 clamping, the reinforcing bar buckles chuck 12 and is located between two connection short slabs, two reinforcements it is non-pre-
Overhanging section of stress reinforcing bar is directly welded on connection short slab through the preformed hole of two connection short slabs of same row；
The top of the girder steel 1 is additionally provided with plate face connection reinforcing bar 13, and the plate face connection reinforcing bar 13 is located at adjacent two pieces
Between prestressed hollow slab, and its left and right two ends connects with two blocks overhanging section 8 of the plate face reinforcing bar of prestressed hollow slab respectively
Connect；
It is arranged on girder steel and between adjacent two pieces of prestressed hollow slabs in prestressed hollow slab span direction
It is provided with cast-in-place concrete connecting portion 14, the upper surface of the cast-in-place concrete connecting portion 14 and the upper surface of prestressed hollow slab
Flush, overhanging section 8 of the plate face reinforcing bar of adjacent two pieces of prestressed hollow slabs, plate face connection reinforcing bar 13, connection short slab 3, adjacent
Two pieces overhanging section 9 of the reinforcement of prestressed hollow slab, reinforcing bar buckles chuck 12 and is respectively positioned on cast-in-place concrete connection
In portion；
On the direction vertical with prestressed hollow slab span direction, splice between adjacent two pieces of prestressed hollow slabs,
And its edge joint position is perfused with cement mortar.
Further, the upper surface floor lay-down location in girder steel 1 is pasted with coating foams adhesive tape along beam length direction, described pre-
Stress cassette ceiling is shelved on coating foams adhesive tape.
Further, the reinforcing bar buckles chuck 12 has the steel of mechanical indentation for an inwall is carved with dental impression, outer surface
Sleeve.
Reinforcing bar buckles chuck 12 and is provided with two, and two reinforcing bars buckle chuck and are symmetrically arranged.
The volume hollow rate of the prestressed hollow slab is less than or equal to 40%.
In the present embodiment, the prestressed hollow slab is that the component being prefabricated in the factory is assembled to field combinations, often
The prestressed hollow slab of individual building unit can be a monoblock, or some pieces.
General principle of the present utility model is the maturation process made using steel structure frame batch production, adds pre-tensioning system pre-
The addition of stress cassette ceiling, by both effective connections, steel construction is combined with precast concrete technology, and being configured to can
The frame structure system for leaning on.According to the functional requirement of building, girder steel and steel column are made in factory process first, while in concrete
It is prestressed hollow slab that pre-fabricated factory makes prefabricated concrete floor, by the Assembling in construction site, makes girder steel and steel
Intercolumniation forms the node connection of approximate rigid connection, constitutes the space bearing system of structure；Prestressed hollow slab is placed in floor again
On girder steel, in steel beam position using local concrete cast-in-situ method, precast floor slab is connected into concrete floor system structure, and together
When be rigidly connected with girder steel, for the girder steel that is previously formed, steel column three-dimensional system provide rigidity greatly horizontal Multi-layer supporting
System, so as to form the steel frame concrete floor system composite frame structure system similar to cast-in-place concrete building roof system.
Pretensioned prestressing cassette ceiling of the present utility model can greatly mitigate the deadweight of building cover structure, and in advance should
The addition of power technology can be improved the rigidity of superstructure, can effectively prevent or reduce and be universal in cast-in-place concrete building roof structure
The concrete floor cracking phenomena of appearance, structural system of the present utility model to foundation without particular/special requirement, with cast-in-place body
It is that, due to the mitigation conducted oneself with dignity, structural system of the present utility model can also make the peace of foundation under identical foundation condition
Whole step is improved.
The technical solution of the utility model is built upon being carried on the basis of existing steel frame cast-in-place concrete building roof structure
Go out, steel frame is mainly made up of i-shape steel beam and H profile steel post, using bolt or welding manner composition space frame at node
Frame bearing system, weldering crab-bolt is combined with cast-in-place concrete building roof on i-shape steel beam.The utility model is to girder steel, steel column
Form and their node connected mode are not changed, and only change connected mode between building cover structure mode and superstructure and girder steel.
The method for designing of prefabricated prestressed hollow slab is performed according to existing prestressed concrete plate design standard.It is first
First will according to architectural design to the floor of each building unit in floor by size and mechanical characteristic is classified, for building unit
Floor area is smaller, be adapted to existing prefabricated condition and transporting and hoisting condition as far as possible so that whole plate is prefabricated, lifting is processed；When building
Build unit floor area larger, it is impossible to carry out integral prefabricated or transport, lift, it is necessary to divided floor by the scheme of shelving
Block, determines floor span direction, respectively prefabricated, transport, on-site hoisting, splicing.Floor after piecemeal treatment is carried out to original design,
Need to be re-started by the floor loading characteristic after piecemeal and check design, it is determined that new floor reinforcement scheme.
Presstressed reinforcing steel and non-prestressed spaced apart mode are used on floor bar construction, and only at plate bottom, configuration in advance should
Power reinforcing bar, to ensure the anti-seismic performance of floor.Prefabricated concrete floor can be prefabricated using box endoporus or cast endoporus method, its
Making standard can continue to use existing cassette ceiling and make standard, and the trend of endoporus is consistent with the direction of steel bar stress.Concrete
The clear span of Tulou plate is determined with the case bay shelved, considered by the shelving length at beam clear spacing plus two ends.Outside the reinforcing bar of floor
Stretch end end face and be made step-like, the length of step is not less than 300mm, and plate face connection reinforcing bar, plate face are laid during so as to cast-in-place connection
Connection reinforcing bar is realized overlapping with the plate face reinforcing bar of prefabricated concrete floor in stepped area.
After building cover structure uses prefabricated concrete floor, girder steel must change with the connected mode of floor, this reality
Discontinuous short slab is welded as the shear connector between girder steel and local cast-in-place concrete using on girder steel with new, while making
It is the anchor point of deformed bar, connection short slab is arranged on i section steel beam along span direction weldering two, and plate is high no more than plate face steel
Muscle, the positioning at the same time as plate face reinforcing bar is used.When prefabricated concrete floor is connected with girder steel, by prestressed hollow slab
With short slab is connected be welded on reinforcing bar with electric welding directly through the hole reserved on short slab on girder steel by overhanging nonprestressed reinforcement
Together；By the special mechanical fastening chuck connection of overhanging section of use of deformed bar on pre-stress floor.
In the beam region of non-supporting floor, can be set up according to the prefabricated special floor of the design size of beam, post, can also make office
The cast-in-place treatment in portion.
Specific embodiment of the present utility model is as follows：
1) by conventional steel frames structure fabrication steel column, girder steel, in the upper surface of girder steel 1 welding discontinuous connection short slab 3, such as scheme
Shown in 1 and Fig. 2, L collapses for beam, and b is that flange of beam is wide, and 2 is beam top flange, connects the desirable institute's anchor bar diameters of thickness of slab t of short slab,
Typically desirable t=8~10mm, connection short slab presets preformed hole 4 in bottom elevation location corresponding with reinforcement, for reinforcement
Pass through, with both sides reinforcing bar also cross being advisable, when unilateral floor is shelved on girder steel, aperture need to only meet single steel bar and pass through in aperture
.
2) floor plan to structure carries out prefabricated concrete floor scheme determination, can realize prefabricated direct by original of whole plate
Design carry out it is prefabricated, by it is prefabricated, transport and lifting condition limited, it is impossible to carrying out integral prefabricated floor needs first to determine piecemeal side
Case, by monoblock floor be divided into some pieces it is prefabricated, then to on-site consolidation.Due to being possible to floor mechanical characteristic through the floor after piecemeal
Change and calculated, it is necessary to carry out the property checked design to the floor after piecemeal, redefine the Reinforcement Design of floor, hand over precast plant
Processing and fabricating.
The structure fabrication between girder steel, floor and assembling side are now illustrated by taking the single load bearing plate that common two ends are shelved as an example
Case：
1) prefabricated concrete floor form uses pretensioned prestressing cassette ceiling, by existing concrete floor design standard
Design, construction aspect uses deformed bar and nonprestressed reinforcement arranged for interval using double-deck arrangement of reinforcement, the reinforcement of floor,
To meet general shockproof requirements, plate face reinforcing bar uses nonprestressed reinforcement；The concrete strength of prefabricated concrete floor is not low
In C40.
2) the volume hollow rate of prestressed hollow slab is no more than 40%, and plate thickness is not less than 150mm, i.e. C >=150mm,
The elongated endoporus of box and the elongated endoporus of cast can be used, end of span uses step end face, as shown in figure 3, wherein plate top
Size K is inside contracted not less than 300mm, plate is across, plus floor shelving length G (G≤J) determination, floor is at two ends with the spacing of Vierendeel girder
Shelving length G >=50mm on girder steel.
3) prefabricated concrete floor two ends are both needed to stay overhanging reinforcing bar.Wherein reinforcement requirement reserves extension, i.e.,
Overhanging section of length H needs guiding through the preformed hole of two row connection short slabs on girder steel, i.e. H >=b-J is carried out for reinforcement on girder steel
Anchoring treatment is used；The length K of overhanging section of plate face reinforcing bar is advisable to end face concrete surface, and its length is equal to precast concrete
The length of bench of floor end face adds shelving length of the plate on girder steel, and this extension is used as floor part cast-in-place concrete
Plate face lapped length of steel bar.J is distance of the short slab outward flange to I-steel edge of a wing side, and this distance is for shelving prestressed concrete
Floor, the shelving length that G is reserved when being prefabricated pre-stress floor, D is the net span of floor, that is, be shelved on the clear distance on two side bars
(not including shelving length G), alternatively referred to as plate clear span, B are the plate width in floor and D vertical direction.
4) the upper surface floor lay-down position in girder steel pastes thin layer foam adhesive tape along beam length direction, will be prefabricated prefabricated
Concrete floor lifting is held on the foam adhesive tape of two beams of correspondence, while overhanging section of reinforcement is stretched into connected on beam
In the preformed hole of short slab, when there is prefabricated concrete floor the both sides of girder steel, should be by the overhanging of the reinforcement of both sides floor
Section is stretched into the same position preformed hole of correspondence connection short slab.Reinforcing bar will be buckled chuck one by deformed bar simultaneously in perforation
And pass through.
5) overhanging section of deformed bar is each passed through two pieces of the girder steel upper surface preformed hole of connection short slab, after stretching reinforcing bar
Chuck 12 is buckled on the inside of two connection short slabs with special reinforcing bar to clamp, as shown in figure 5, it is suitable small straight that reinforcing bar buckles chuck 12
The element of footpath (Φ≤14mm) bar connecting, it is that an inwall is carved with dental impression, and there are the steel sleeve of mechanical indentation, root in outer surface
There are different specifications according to the bar diameter for being buckled, after the reinforcing bar buckled needed for two is inserted in, clamped sleeve with strong hydraulic
Flatten, reach the purpose that two reinforcing bars are buckled connection；The connected mode of the nonprestressed reinforcement in reinforcement is similar, simply
Reinforcing bar is buckled into chuck to cancel, and reinforcing bar is directly connected into short slab both sides with being connected short slab and be welded on electric welding mode, with
Reach the effect of anchoring.
6) lifting of block-by-block floor, treats that the floor on a girder steel is all installed in place, and measures and adjusts size and reach design
It is required that.
7) reinforcing bar, plate face connection rebar crosses girder steel, two ends and both sides are connected by the plate face on design requirement configuration girder steel
The plate face reinforcing bar of prefabricated concrete floor is mutually overlapped, and the lap of splice should meet the requirement of existing code for design of concrete structures, work as floor
Plate face reinforcing bar it is thicker, when staying the lap of splice to meet code requirement, can also use welding method.
8) treat that all or part of floor of floor hangs, fills in place, the local cast-in-place concrete on girder steel, cast-in-place concrete
Intensity should be consistent with the concrete strength of prefabricated concrete floor, and thickness of cast-in-place concrete is consistent with the thickness of slab of floor, area
Including the step part that on girder steel and biside plate end is reserved, whole flooring is set to reach identical absolute altitude.
9) the piece treatment between prefabricated concrete floor block, downward from plate face in soffit along seam adhesive seal adhesive tape
Cement injection mortar, fills the floating receipts light in rear surface.
10) after after cast-in-place concrete solidification, water curing is spread in time to it.
11) when between prefabricated concrete floor piece it is excessive or it is local it is cast-in-place there is the substantially phenomenon such as cracking when, can be in floor
Screed-coat is done again after laying steel fabric sheet on face.
The present embodiment is can also refer to for the template such as two-way slab and side plate, gusset, balcony slab to process.
With steel structure frame structure be combined the prefabricated concrete floor technology of big plate face by this invention, enriches industry
Change the form of building；The connection short slab of discontinuous arrangement is set in girder steel upper surface, girder steel and concrete Tulou is can not only be used for
Shearing-resistant member between plate, is also the main attachment means of prefabricated concrete floor reinforcing bar；Prefabricated concrete floor on girder steel connects
Place is met using local cast-in-place concrete, blocking prefabricated concrete floor is spliced into complete building cover structure again.
The utility model in order to solve current steel building Difficulty, while in order in changing current steel building
Steel Structure Installation and the problem of disharmony of the large-engineering of concrete cast-in-situ two, make steel construction be engaged with concrete prefabricated structure, real
Existing steel --- the industrialized building of mixed combining structure, reduces cast-in-place concrete amount as far as possible, while ensureing the anti-of building structure
The functions such as shake, stabilization.
Claims (7)
1. a kind of assembled steel framework prefabricated concrete floor structure, it is characterised in that：Including steel frame and concrete Tulou
Plate, the steel frame includes steel column and girder steel, and the prefabricated concrete floor is located at the top of the girder steel and passes through connector
On girder steel；
The prefabricated concrete floor is prestressed hollow slab.
2. a kind of assembled steel framework prefabricated concrete floor structure as claimed in claim 1, it is characterised in that：It is described it is pre- should
The top of power cassette ceiling is provided with plate face reinforcing bar, and the middle part of the prestressed hollow slab is provided with hollow logical along span direction
Hole, the bottom of the prestressed hollow slab is equipped with reinforcement, the plate face reinforcing bar along span direction it is horizontally disposed and
Its two ends is equipped with overhanging section, and the reinforcement is described along span direction is horizontally disposed and its two ends is equipped with overhanging section
Plate face reinforcing bar is nonprestressed reinforcement, and the reinforcement includes deformed bar and nonprestressed reinforcement, and deformed bar
With nonprestressed reinforcement arranged for interval；
The connector is connection short slab, the bottom of the connection short slab along prestressed hollow slab span direction be provided with for
The overhanging section of preformed hole for passing through of reinforcement, the connection short slab is welded on the upper surface of the girder steel into two row discontinuous
On, the plate face reinforcing bar is located at the top of the connection short slab.
3. a kind of assembled steel framework prefabricated concrete floor structure as claimed in claim 2, it is characterised in that：It is arranged on steel
Two connection short slabs of overhanging section of the reinforcement of the prestressed hollow slab that adjacent two pieces of beam both sides also cross same row
Preformed hole, and chuck is buckled by overhanging section of clamping of two deformed bars of reinforcement, the reinforcing bar button by reinforcing bar
Clinch ear is located between two connection short slabs, two overhanging section of the nonprestressed reinforcement of reinforcement pass through same row two
The preformed hole for connecting short slab is directly welded on connection short slab；
Plate face connection reinforcing bar is additionally provided with above the girder steel, the plate face connection reinforcing bar is located at adjacent two pieces of pre-stress hollow
Between floor, and its left and right two ends is connected with two blocks overhanging section of the plate face reinforcing bar of prestressed hollow slab respectively；
It is arranged on girder steel and is provided between adjacent two pieces of prestressed hollow slabs in prestressed hollow slab span direction
Cast-in-place concrete connecting portion, the upper surface of the cast-in-place concrete connecting portion and the upper surface flush of prestressed hollow slab, phase
Adjacent two blocks overhanging section of the plate face reinforcing bar of prestressed hollow slab, plate face connection reinforcing bar, connection short slab, adjacent two pieces of prestressing force skies
Overhanging section of the reinforcement of heart floor, reinforcing bar buckles chuck and is respectively positioned in the cast-in-place concrete connecting portion；
On the direction vertical with prestressed hollow slab span direction, splice between adjacent two pieces of prestressed hollow slabs, and its
Edge joint position is perfused with cement mortar.
4. a kind of assembled steel framework prefabricated concrete floor structure as claimed in claim 3, it is characterised in that：In girder steel
Upper surface floor lay-down location is pasted with coating foams adhesive tape along beam length direction, and the prestressed hollow slab is shelved on coating foams
On adhesive tape.
5. a kind of assembled steel framework prefabricated concrete floor structure as claimed in claim 3, it is characterised in that：The reinforcing bar
It is that an inwall is carved with dental impression, outer surface and has the steel sleeve of mechanical indentation to buckle chuck.
6. a kind of assembled steel framework prefabricated concrete floor structure as claimed in claim 5, it is characterised in that：Reinforcing bar is buckled
Chuck is provided with two, and two reinforcing bars buckle chuck and are symmetrically arranged.
7. a kind of assembled steel framework prefabricated concrete floor structure as claimed in claim 1 or 2, it is characterised in that：It is described
The volume hollow rate of prestressed hollow slab is less than or equal to 40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621229209.6U CN206233434U (en) | 2016-11-16 | 2016-11-16 | A kind of assembled steel framework prefabricated concrete floor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621229209.6U CN206233434U (en) | 2016-11-16 | 2016-11-16 | A kind of assembled steel framework prefabricated concrete floor structure |
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| Publication Number | Publication Date |
|---|---|
| CN206233434U true CN206233434U (en) | 2017-06-09 |
Family
ID=58990756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621229209.6U Withdrawn - After Issue CN206233434U (en) | 2016-11-16 | 2016-11-16 | A kind of assembled steel framework prefabricated concrete floor structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401036A (en) * | 2016-11-16 | 2017-02-15 | 浙江工业大学工程设计集团有限公司 | Assembled type steel framework prefabricated concrete floor slab structure |
| CN108518019A (en) * | 2018-04-19 | 2018-09-11 | 沈阳建筑大学 | Prefabricated assembled steel-profiled sheet concrete combination beam |
| CN108894118A (en) * | 2018-09-25 | 2018-11-27 | 重庆交通大学 | Simply supported non-uniform method for bridge construction with steel Shu Zhangla connector |
| CN108978492A (en) * | 2018-09-25 | 2018-12-11 | 重庆交通大学 | Simply supported non-uniform bridge hogging moment steel Shu Zhangla connector and bridge structure |
| CN112411843A (en) * | 2020-10-29 | 2021-02-26 | 中建科技集团有限公司 | Prestressed hollow slab connection node structure |
-
2016
- 2016-11-16 CN CN201621229209.6U patent/CN206233434U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401036A (en) * | 2016-11-16 | 2017-02-15 | 浙江工业大学工程设计集团有限公司 | Assembled type steel framework prefabricated concrete floor slab structure |
| CN106401036B (en) * | 2016-11-16 | 2018-10-23 | 浙江工业大学工程设计集团有限公司 | A kind of assembled steel frame prefabricated concrete floor structure |
| CN108518019A (en) * | 2018-04-19 | 2018-09-11 | 沈阳建筑大学 | Prefabricated assembled steel-profiled sheet concrete combination beam |
| CN108518019B (en) * | 2018-04-19 | 2024-02-13 | 沈阳建筑大学 | Prefabricated assembled steel-profiled steel sheet concrete composite beam |
| CN108894118A (en) * | 2018-09-25 | 2018-11-27 | 重庆交通大学 | Simply supported non-uniform method for bridge construction with steel Shu Zhangla connector |
| CN108978492A (en) * | 2018-09-25 | 2018-12-11 | 重庆交通大学 | Simply supported non-uniform bridge hogging moment steel Shu Zhangla connector and bridge structure |
| CN112411843A (en) * | 2020-10-29 | 2021-02-26 | 中建科技集团有限公司 | Prestressed hollow slab connection node structure |
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