CN107460948A - The double-deck RC plate-type transfer floors and construction method of superstructure are poured after a kind of - Google Patents
The double-deck RC plate-type transfer floors and construction method of superstructure are poured after a kind of Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 238000012546 transfer Methods 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 238000013016 damping Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000009415 formwork Methods 0.000 claims description 10
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 134
- 239000011229 interlayer Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- FNMKZDDKPDBYJM-UHFFFAOYSA-N 3-(1,3-benzodioxol-5-yl)-7-(3-methylbut-2-enoxy)chromen-4-one Chemical compound C1=C2OCOC2=CC(C2=COC=3C(C2=O)=CC=C(C=3)OCC=C(C)C)=C1 FNMKZDDKPDBYJM-UHFFFAOYSA-N 0.000 description 1
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- 230000035800 maturation Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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Abstract
The invention provides the double-deck RC plate-type transfer floors and construction method for pouring superstructure after a kind of, including first layer RC change-over panels and second layer RC change-over panels, support to form hollow layer by frame column between first layer RC change-over panels and second layer RC change-over panels；The thickness of described first layer RC change-over panels is less than the thickness of second layer RC change-over panels, and concealed beam is provided with second layer RC change-over panels；Shear wall, energy dissipating shear wall and frictiona damping mechanism are poured after being provided with described hollow layer.Due to being configured with a certain amount of reinforcing bar in the plate above and below conversion layer, interlayer sets energy-dissipating device, both alleviates the quality of conversion laminate, makes it have enough bearing capacities again to meet top after-pouring building structure.The special component arrangement of interlayer, strengthens structural integrity, enhances structural seismic performance so that the neighbouring layer of conversion layer will not turn into antidetonation weak floor.
Description
Technical field
The invention belongs to building engineering field, the conversion layer structure being related in building structure, and in particular to watered after a kind of
The double-deck RC plate-type transfer floors and construction method of portion's structure.
Background technology
It is complicated in build, conversion layer is set in the diversified building of functional requirement, is that structural engineer is upper and lower in order to realize
Rotating fields type is changed, the post net of upper and lower layer, axis change or simultaneously transformational structure form and structure axis arrangement and take
Effective ways.Since 20th century five, the sixties propose conversion layer structure concept, the analysis means and design of conversion layer structure
Technology is more and more diversified, also increasingly tends to be ripe so that conversion layer structure obtained in modern high-rise building it is more next
More it is widely applied.Several conversion layer structures commonly used in current engineering include transfer beam, truss conversion, Box-transfer storey, thickness
Plate conversion etc..Above conversion layer structure adapts to different buildings and its functional requirement.Currently with the fast development of economic construction, deposit
In a class formation putting into effect in advance due to bottom, and superstructure then needs later stage planning construction, therefore conversion layer just needs
The complicated building of the superstructure bodily form is adapted to, so as to meet the needs of practical structures.
Slab transformational structure is as shown in figure 1, the structure is the form for being easiest to meet building function requirement in transformational structure.
When upper and lower layer post net axis misalignment is more, or top shear wall structure arrangement very irregular and infrastructural requirements arrangement huge pillar
Net and when being difficult to support direct with beam, is a kind of preferable structure type using transfer slab.It is using the advantages of transfer slab
Upper and lower structures flexible arrangement, it is not necessary to consistency from top to bottom；Shortcoming be from great (up to thousands of tons of), cost is high, construction when formwork,
Reinforcing bar colligation is difficult, and is related to the series of problems such as the construction of mass concrete.In design, due to the power transmission road of thick transfer slab
Footpath is not apparent, and local stiffness is excessive, and stress is complicated, and the method for simplifying temporarily without maturation can use, so that Structure Calculation is very multiple
It is miscellaneous；Due to design shearing resistance and Punching Shear needs, the thickness of change-over panel is very big, this cause change-over panel quality and rigidity mutation,
The reaction increase of structure, the neighbouring layer of conversion layer more turn into weak floor during geological process, are unfavorable for structural seismic.The opposing party
Face, due to the increase conducted oneself with dignity with geological process, the load of bottom vertical structure substantially increases, and design difficulty is with increase.Research
Show, the internal force of thick transfer slab and displacement are extremely uneven, and maximin can differ tens times, and need to pass through improvement can adopt
With.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to the double-deck RC (reinforcing bars of superstructure are poured after a kind of
Concrete, abbreviation RC) plate-type transfer floor and construction method, solution overcome existing thick-plate-type transformational structure from it is great, cost is high
The shortcomings that, the globality of after-pouring superstructure is enhanced, the flexibility for after-pouring superstructure arrangement provides condition.
In order to solve the above-mentioned technical problem, the present invention, which adopts the following technical scheme that, is achieved：
The double-deck RC plate-type transfer floors of superstructure, including first layer RC change-over panels and second layer RC conversions are poured after a kind of
Plate, support to form hollow layer by frame column between first layer RC change-over panels and second layer RC change-over panels；
Described first layer RC change-over panels are located at framework column bottom and are connected with substructure, and second layer RC change-over panels are located at
It is connected at the top of frame column and with superstructure；
The thickness of described first layer RC change-over panels is less than the thickness of second layer RC change-over panels, is set in second layer RC change-over panels
It is equipped with concealed beam；
After-pouring shear wall, energy dissipating shear wall and frictiona damping mechanism are provided with described hollow layer.
The present invention also has following distinguishing feature：
Described frictiona damping mechanism includes frcition damper, and the corner of frcition damper is connected to the one of support bar
End, the other end of support bar are connected with connecting seat respectively, and a pair of connecting seats are arranged on the upper surface of first layer RC change-over panels, another
The coupling beam for being used for connecting the after-pouring shear wall in conversion layer is arranged on to connecting seat, coupling beam is located at second layer RC change-over panels
Lower surface, four connecting seats are symmetrically laid using frcition damper as symmetrical centre.
The thickness of described first layer RC change-over panels is 300~400mm, and the thickness of described second layer RC change-over panels is
600~800mm.
Described energy dissipating shear wall is laid between the frame column in hollow layer at conversion layer corner, energy dissipating shearing
Wall is connected with concealed beam, energy dissipating shear wall L-shaped, hollow or I-shaped laying on each angle of conversion layer.
Described frictiona damping mechanism is laid in hollow layer to be located at behind conversion layer edge and poured between shear wall.
The present invention give it is a kind of after pour superstructure double-deck RC plate-type transfer floors construction method, this method include with
Lower step：
Step 1, according to building requirement, carry out overall structure load calculating；
Step 2, conversion layer structure Design of Bearing Capacity：According to overall structure load, substructure is designed, according to
The load of superstructure, the first layer RC change-over panels of conversion layer and the thickness and arrangement of reinforcement of second layer RC change-over panels are determined, it is determined that disappearing
Can shear wall, the quantity and position of frictiona damping mechanism；
Step 3, the construction of substructure：Conventional construction is carried out to substructure；
Step 4, the construction of first layer RC change-over panels：First layer RC change-over panel scaffold buildings, formwork supporting plate, steel in colligation plate
Muscle, then carry out pouring and conserving for concrete；
Step 5, the construction of hollow layer center trestle：The reinforcing bar of colligation frame column, formwork supporting plate, casting concrete simultaneously conserve；
Step 6, the construction of second layer RC change-over panels：Second layer RC change-over panel scaffold buildings, formwork supporting plate, colligation second
Reinforcing bar and concealed beam reinforcing bar inside layer RC change-over panels, the pre-embedded steel slab for connecting energy dissipating shear wall is provided with concealed beam, then
Carry out pouring and conserving for concrete；
Step 7, after-pouring shear wall is poured in hollow layer, between a pair of after-pouring shear walls at grade
Coupling beam is set, then energy dissipating shear wall and frcition damper mechanism are installed；
Step 8, superstructure design：According to using function, superstructure is designed；
Step 9, the construction of superstructure：Conventional construction is carried out to superstructure.
The thickness of pre-embedded steel slab in described concealed beam is 12~25mm, every the pre-buried one piece of pre-buried steel of 200~600mm
Plate, junction steel plate is embedded in energy dissipating shear wall by peg at the top of energy dissipating shear wall, the thickness of junction steel plate for 15~
25mm。
The energy dissipating shear wall and frame column and concealed beam fix be by frictional high-strength bolts, backing plate by junction steel plate with
Pre-embedded steel slab connects.
Described connecting seat includes the bottom plate and top plate that weld together, and the thickness of bottom plate is 10~20mm, the thickness of top plate
Spend for 8~15mm.
The present invention compared with prior art, has the following technical effect that：
(I) due to being configured with a certain amount of reinforcing bar in the plate above and below conversion layer, interlayer sets energy-dissipating device, both alleviates and turns
The quality of laminate is changed, makes it have enough bearing capacities again to meet top after-pouring building structure.
(II) the special component arrangement of interlayer, strengthens structural integrity, enhances structural seismic performance so that conversion layer
Neighbouring layer will not turn into antidetonation weak floor.
(III) changing the gross thickness of interlaminar board reduces, and greatly reduces cost, also make it that structure integral rigidity is uniform, has
Beneficial to the needs of antidetonation.
(IV) engineering of later stage planning construction is needed to provide a kind of reliable conversion layer structure form for superstructure, so as to
Meet the needs of practical structures.
Brief description of the drawings
Fig. 1 is the structural representation of existing thick-plate-type conversion layer.
Fig. 2 is the overall structure diagram of conversion layer.
Fig. 3 is the positive structure diagram of conversion layer.
Fig. 4 is the internal structure schematic diagram of conversion layer.
Fig. 5 is the structural representation of energy dissipating shear wall.
Fig. 6 is the assembly relation schematic diagram between energy dissipating shear wall and concealed beam.
Fig. 7 is the structural representation of frictiona damping mechanism.
Fig. 8 is the horizontal layout schematic diagram of substructure.
Fig. 9 is the interlayer horizontal layout schematic diagram of conversion layer.
Figure 10 is the horizontal layout schematic diagram of superstructure.
Figure 11 is the finite element instance model for emulating example.
Figure 12 is the Stress Map of the first layer RC plates of conversion layer.
Figure 13 is the Stress Map of the second layer RC plates of conversion layer.
Figure 14 is floor maximum displacement under X-direction geological process.
Figure 15 is story drift under X-direction geological process.
Figure 16 is floor maximum displacement under Y-direction geological process.
Figure 17 is story drift under Y-direction geological process.
The implication of each label is in figure：1- first layer RC change-over panels, 2- second layer RC change-over panels, 3- frame columns, in 4-
Dead level, 5- substructures, 6- superstructures, 7- conversion layers, 8- concealed beams, 9- energy dissipating shear walls, 10- frictiona damping mechanisms, after 11-
Pour shear wall, 12- coupling beams, 13- pre-embedded steel slabs, 14- pegs, 15- junction steel plates, 16- frictional high-strength bolts, 17- backing plates；
(10-1)-frcition damper, (10-2)-support bar, (10-3)-connecting seat, (10-4)-connecting seat；
WithIt is axis, 1., 2., 3., 4., 5. and is 6. also axis.
Explanation is further explained in detail to the particular content of the present invention with reference to embodiments.
Embodiment
Specific embodiment of the invention given below is, it is necessary to which explanation is that the invention is not limited in implement in detail below
Example, all equivalents done on the basis of technical scheme each fall within protection scope of the present invention.
Embodiment：
Defer to above-mentioned technical proposal, as shown in Figures 2 to 7, the present embodiment provide it is a kind of after pour the double-deck RC of superstructure
Plate-type transfer floor, including first layer RC change-over panels 1 and second layer RC change-over panels 2, first layer RC change-over panels 1 and second layer RC conversions
Hollow layer 4 is formed by the support of frame column 3 between plate 2；
Described first layer RC change-over panels 1 are located at the bottom of frame column 3 and are connected with substructure 5, second layer RC change-over panels 2
It is connected positioned at the top of frame column 3 and with superstructure 6；
The thickness of described first layer RC change-over panels 1 is less than the thickness of second layer RC change-over panels 2, second layer RC change-over panels 2
Inside it is provided with concealed beam 8；
After-pouring shear wall 11, energy dissipating shear wall 9 and frictiona damping mechanism 10 are provided with described hollow layer 4.
Frictiona damping mechanism 10 includes frcition damper 10-1, and frcition damper 10-1 corner is connected to support bar
10-2 one end, the support bar 10-2 other end are connected with connecting seat 10-3,10-4 respectively, and a pair of connecting seat 10-3 are arranged on the
The upper surface of one layer of RC change-over panel 1, another pair connecting seat 10-4, which is arranged on, to be used to connect the after-pouring shear wall 11 in conversion layer 7
Coupling beam 12 on, coupling beam 12 is located at the lower surface of second layer RC change-over panels 2, and four connecting seats 10-3,10-4 are with frcition damper
10-1 is that symmetrical centre is symmetrically laid.
The thickness of first layer RC change-over panels 1 is 300~400mm, and reinforcement scheme is：The inside reinforcing bar of first layer RC change-over panels 1
Two layers of arrangement, two layers of 250~350mm of vertical interval, cage bar can be arranged diagonally above and below point, also can be parallel to two
Hold side arrangement.
The thickness of second layer RC change-over panels 2 is 600~800mm, and the deck-molding of concealed beam 8 is equal to thickness of slab, cast-in-place with plate；Arrangement of reinforcement side
Case is：Second layer RC change-over panels 2 inside reinforcing bar point two layers of arrangement up and down, two layers of 550~750mm of vertical interval, cage bar parallel to
Two side-struts arrange that concealed beam reinforcing bar divides stirrup and vertical muscle, its stirrup and plate muscle vertical interval 25mm~50mm.
Energy dissipating shear wall 9 is laid between the frame column 3 in hollow layer 4 at 7 four jiaos of conversion layer, energy dissipating shear wall 9
It is connected with concealed beam 8, energy dissipating shear wall 9 L-shaped, hollow or I-shaped laying on each angle of conversion layer 7, makes structure as far as possible
Mass centre overlapped with center of rigidity.Conventional energy dissipating shear wall known to the use of energy dissipating shear wall 9.
Frictiona damping mechanism 10 is laid in hollow layer 4 to be located at behind the edge of conversion layer 7 and poured between shear wall 11.Friction
Conventional friction damper known to damper 10-1 uses.
The construction method that the double-deck RC plate-type transfer floors of superstructure are poured after the present embodiment comprises the following steps：
Step 1, according to building requirement, carry out overall structure load calculating；
Step 2, conversion layer structure Design of Bearing Capacity：According to overall structure load, substructure 5 is designed, according to
The load of superstructure 6, the first layer RC change-over panels 1 of conversion layer 7 and the thickness and arrangement of reinforcement of second layer RC change-over panels 2 are determined, really
Determine energy dissipating shear wall 9, the quantity of frictiona damping mechanism 10 and position；
Step 3, the construction of substructure：Conventional construction is carried out to substructure 5；
Step 4, the construction of first layer RC change-over panels：The scaffold building of first layer RC change-over panels 1, formwork supporting plate, steel in colligation plate
Muscle, then carry out pouring and conserving for concrete；
Step 5, the construction of hollow layer center trestle：The reinforcing bar of colligation frame column 3, formwork supporting plate, casting concrete simultaneously conserve；
Step 6, the construction of second layer RC change-over panels：The scaffold building of second layer RC change-over panels 2, formwork supporting plate, colligation second
The inside reinforcing bar of layer RC change-over panels 2 and concealed beam reinforcing bar, the pre-embedded steel slab 13 for connecting energy dissipating shear wall 9 is provided with concealed beam 8,
Then pouring and conserving for concrete is carried out；
Step 7, after-pouring shear wall 11 is poured in hollow layer 4, a pair of after-pouring shear walls 11 at grade
Between coupling beam 12 is set, then energy dissipating shear wall 9 and frcition damper mechanism 10 are installed；
Step 8, superstructure design：According to using function, superstructure is designed；
Step 9, the construction of superstructure：Conventional construction is carried out to superstructure 6.
In work progress it should be noted that energy dissipating shear wall 9 and frictiona damping mechanism 10 need in a pre-installation it is supporting
Embedment Construction, it is specific as follows：
The thickness of pre-embedded steel slab 13 in concealed beam 8 is 12~25mm, every the pre-buried one piece of pre-embedded steel slab 13 of 200~600mm,
Junction steel plate 15 is embedded in energy dissipating shear wall 9 by the top of energy dissipating shear wall 9 by peg 14, and the thickness of junction steel plate 15 is 15
~25mm.
It is that will be connected steel by frictional high-strength bolts 16, backing plate 17 that energy dissipating shear wall 9 is fixed with frame column 3 and concealed beam 8
Plate 15 connects with pre-embedded steel slab 13.
Connecting seat 10-3 includes the bottom plate and top plate that weld together, and the thickness of bottom plate is 10~20mm, the thickness of top plate
For 8~15mm.
Emulation testing example：
The technical scheme of embodiment is deferred to, this emulation example provides a kind of specific application scenarios, and the analysis of this emulation example is real
Example is RC high-rise building of 20 layers of the building with double-deck RC change-over panels, and substructure is building for commercial use, and superstructure is
Standardized house.The construction bottom uses large bay frame shear wall structure, and conversion layer is arranged on third layer, the 4th layer to 20
Layer is shear wall structure.This engineering design service life is 50 years, and seismic fortification intensity is 8 degree, and basic seismic design accelerates
Angle value is 0.2g, and classification of design earthquake is first group, and safe class is two level.Site category is II classes, and Characteristic Site Period is
0.35s, structural plan layout drawing is as shown in Fig. 8 to Figure 10, and dimensional units are mm in figure.
Substructure per 4.2m a height of layer by layer, the floor height of conversion layer be 2.85m, superstructure it is often a height of layer by layer
2.85m.In conversion layer, the thickness of first layer RC change-over panels is 300mm, and the thickness of second layer RC change-over panels is 700mm.
Pre-embedded steel slab thickness in concealed beam is 15mm, is separated by pre-buried one piece of 500mm, and junction steel plate thickness is 15mm.Energy dissipating
Shear wall is four, L-shaped, is laid between the frame column at conversion layer corner.Coupling beam anchoring steel plate slab be
10mm, welding steel thickness are 10mm.Frictiona damping mechanism is six, is symmetrically laid in pour behind conversion layer edge and cuts
Between power wall.
Finite element modelling is carried out to the emulation example using ANSYS softwares, obtained finite element instance model such as Figure 10 institutes
Show.The Stress Map of obtained first layer RC change-over panels is as shown in figure 12, and the Stress Map of second layer RC plates is as shown in figure 13, from
It can be seen from the figure that, the maximum stress of first layer RC change-over panels is 6.05MPa, and the maximum stress of second layer RC plates is 3.22MPa,
Stress is all far below the cubic compressive strength standard value of C30 concrete.
Senditivity experriments：If the double-deck RC plate-type transfer floors in the emulation example are replaced by Thick Plate Transfer Story, change-over panel
Thick 1200mm, acquired results with using double-deck RC plate-type transfer floors acquired results to such as shown in Figure 14 to Figure 17, from figure
As can be seen that the X with slab conversion layer structure is compared in the maximum displacement under the X-direction geological process with double-deck RC conversion harden structures
Maximum displacement under the geological process of direction reduces 26.6%；Under Y-direction geological process with double-deck RC conversion harden structures most
Big displacement reduces 40.6% compared to the maximum displacement under the Y-direction geological process of tape thickness plank frame.Two kinds of band different switchings
The maximum story drift of the structure of layer is respectively less than elastic displacement angle between floors limit value 1/1000；X with double-deck RC conversion harden structures
Levels maximum displacement angle under the geological process of direction is than compared to upper and lower under the X-direction geological process with slab conversion layer structure
Layer maximum displacement angle ratio reduces 10.0%；Levels dominant bit under Y-direction geological process with double-deck RC conversion harden structures
Angle is moved than reducing 14.8% compared to the levels maximum displacement angle under the Y-direction geological process with slab conversion layer structure.
X, Y-direction for building two major axes orientations, to model apply horizontal direction earthquake when, just choose this two
Individual direction, emulate in figure corresponding to example and marked X, Y-direction.
In summary, quality of the present invention due to both alleviating conversion laminate there is provided double-deck RC plates, makes it have foot again
Enough bearing capacities meet top after-pouring building structure；By setting special component, structural seismic performance is strengthened so that turn
Antidetonation weak floor will not be turned into by changing the neighbouring layer of layer；Changing the gross thickness of interlaminar board reduces, and greatly reduces cost, also makes
It is uniform to obtain structure integral rigidity, is advantageous to the needs of antidetonation.
Claims (9)
1. the double-deck RC plate-type transfer floors of superstructure are poured after a kind of, it is characterised in that including first layer RC change-over panels (1) and
Two layers of RC change-over panels (2), supported and formed by frame column (3) between first layer RC change-over panels (1) and second layer RC change-over panels (2)
Hollow layer (4)；
Described first layer RC change-over panels (1) are located at frame column (3) bottom and are connected with substructure (5), second layer RC conversions
Plate (2) is located at the top of frame column (3) and is connected with superstructure (6)；
The thickness of described first layer RC change-over panels (1) is less than the thickness of second layer RC change-over panels (2), second layer RC change-over panels
(2) concealed beam (8) is provided with；
After-pouring shear wall (11), energy dissipating shear wall (9) and frictiona damping mechanism (10) are provided with described hollow layer (4).
2. the double-deck RC plate-type transfer floors of superstructure are poured after as claimed in claim 1, it is characterised in that described friction resistance
Buddhist nun mechanism (10) includes frcition damper (10-1), and the corner of frcition damper (10-1) is connected to support bar (10-2)
One end, the other end of support bar (10-2) are connected with connecting seat (10-3,10-4) respectively, and a pair of connecting seats (10-3) are arranged on the
The upper surface of one layer of RC change-over panel (1), another pair connecting seat (10-4) are arranged on the after-pouring for being used for connecting in conversion layer (7) and cut
In the coupling beam (12) of power wall (11), coupling beam (12) is located at the lower surface of second layer RC change-over panels (2), four connecting seats (10-3,
It is 10-4) that symmetrical centre is symmetrically laid with frcition damper (10-1).
3. the double-deck RC plate-type transfer floors of superstructure are poured after as claimed in claim 1, it is characterised in that described first layer
The thickness of RC change-over panels (1) is 300~400mm, and the thickness of described second layer RC change-over panels (2) is 600~800mm.
4. the double-deck RC plate-type transfer floors of superstructure are poured after as claimed in claim 1, it is characterised in that described energy dissipating is cut
Power wall (9) is laid between the frame column (3) in hollow layer (4) at conversion layer (7) corner, energy dissipating shear wall (9) with it is dark
Beam (8) is connected, energy dissipating shear wall (9) L-shaped, hollow or I-shaped laying on each angle of conversion layer (7).
5. the double-deck RC plate-type transfer floors of superstructure are poured after as claimed in claim 2, it is characterised in that described friction resistance
Buddhist nun mechanism (10) is laid in hollow layer (4) to be located at behind conversion layer (7) edge and poured between shear wall (11).
6. the construction method of the double-deck RC plate-type transfer floors of superstructure is poured after a kind of, it is characterised in that this method includes following
Step：
Step 1, according to building requirement, carry out overall structure load calculating；
Step 2, conversion layer structure Design of Bearing Capacity：According to overall structure load, substructure (5) is designed, according to upper
The load of portion's structure (6), determine the first layer RC change-over panels (1) of conversion layer (7) and the thickness of second layer RC change-over panels (2) and match somebody with somebody
Muscle, determine energy dissipating shear wall (9), the quantity and position of frictiona damping mechanism (10)；
Step 3, the construction of substructure：Conventional construction is carried out to substructure (5)；
Step 4, the construction of first layer RC change-over panels：First layer RC change-over panels (1) scaffold building, formwork supporting plate, steel in colligation plate
Muscle, then carry out pouring and conserving for concrete；
Step 5, the construction of hollow layer center trestle：The reinforcing bar of colligation frame column (3), formwork supporting plate, casting concrete simultaneously conserve；
Step 6, the construction of second layer RC change-over panels：Second layer RC change-over panels (2) scaffold building, formwork supporting plate, the colligation second layer
The internal reinforcing bar of RC change-over panels (2) and concealed beam reinforcing bar, the pre-buried steel for connecting energy dissipating shear wall (9) is provided with concealed beam (8)
Plate (13), then carry out pouring and conserving for concrete；
Step 7, after-pouring shear wall (11) is poured in hollow layer (4), a pair of after-pouring shear walls at grade
(11) coupling beam (12) is set between, energy dissipating shear wall (9) and frcition damper mechanism (10) are then installed；
Step 8, superstructure design：According to using function, superstructure is designed；
Step 9, the construction of superstructure：Conventional construction is carried out to superstructure (6).
7. construction method as claimed in claim 6, it is characterised in that the thickness of the pre-embedded steel slab (13) in described concealed beam (8)
Spend for 12~25mm, pass through peg (14) at the top of the pre-buried one piece of pre-embedded steel slab (13) of 200~600mm, energy dissipating shear wall (9)
Junction steel plate (15) is embedded in energy dissipating shear wall (9), the thickness of junction steel plate (15) is 15~25mm.
8. construction method as claimed in claim 7, it is characterised in that the energy dissipating shear wall (9) and frame column (3) and concealed beam
(8) fixation is to be connected junction steel plate (15) and pre-embedded steel slab (13) by frictional high-strength bolts (16), backing plate (17).
9. construction method as claimed in claim 8, it is characterised in that described connecting seat (10-3) includes what is welded together
Bottom plate and top plate, the thickness of bottom plate is 10~20mm, and the thickness of top plate is 8~15mm.
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| CN112227715A (en) * | 2020-10-21 | 2021-01-15 | 贵州建工集团第一建筑工程有限责任公司 | Construction method of section steel concrete conversion truss shear wall |
| CN113494148A (en) * | 2021-09-08 | 2021-10-12 | 中国船舶重工集团国际工程有限公司 | Large-span conversion truss-shear wall structure and construction process |
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| CN107460948B (en) | 2019-09-13 |
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