CN206091005U - Pack large -span assembled cavity superstructure of netted box cavity member - Google Patents
Pack large -span assembled cavity superstructure of netted box cavity member Download PDFInfo
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- CN206091005U CN206091005U CN201620824156.6U CN201620824156U CN206091005U CN 206091005 U CN206091005 U CN 206091005U CN 201620824156 U CN201620824156 U CN 201620824156U CN 206091005 U CN206091005 U CN 206091005U
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Abstract
The utility model relates to a pack large -span assembled cavity superstructure of netted box cavity member, indulge girt strip, reinforced concrete upper limb listrium and netted box cavity member, every including reinforced concrete cross rib roof beam, reinforced concrete be provided with two reinforcing bars in the reinforced concrete cross rib roof beam, every be provided with steel flat rack in the vertical girt strip of reinforced concrete, the setting of netted box cavity component is in moving about freely and quickly the space between the vertical girt strip of criss -cross reinforced concrete cross rib roof beam and reinforced concrete, thereby the lower surface of netted box cavity component exposes in the lower surface of cavity superstructure as the partly of lower surface of cavity superstructure, steel flat rack with carry out fixed connection through support fixing device between the reinforcing bar. The utility model provides a large -span assembled cavity superstructure, light in weight and give sound insulation, thermal -insulated effectual, the reliability of structure, shock resistance, crack resistance are also better, the stage of putting into production can the industrialization of make full use of mill the advantage, solve construction, environmental protection, matter weight, cost, work efficiency scheduling problem that current system exists, carry out transformation and upgrading, update to current assembled cavity superstructure structure system, have fine economic nature and suitability.
Description
Technical field
The utility model is related to a kind of assembled architecture systems technology, and in particular to the netted box-shaped Cavity structural member of one kind filling
Large span assembled cavity building roof.
Background technology
With the development of building engineering field technology, the building demand of different spaces causes building structure to occur progressively segmenting
The building such as the characteristics of change, underground garage, market, office building is adapted to large bay, the application of mushroom construction.In large span, large bay
In building structure, compare with traditional solid superstructure or prestressed concrete floors, cast-in-situ hollow building roof have reduce floor height, span it is big,
From heavy and light, anti-seismic performance be strong, heat-insulated, fire prevention and sound insulation property is good, good economy performance many advantages, such as.
A few days ago, China is during dwelling construction, and hollow pre-fabricated panels structure, large panel structure, cast-in-place mixed is employed superstructure more
Xtah Crude Clay structure, cast-in-place concrete hollow building roof structure, cast in place frame shear wall structure etc., with Process of Housing Industrialization, steel-mixed
Combining structure and steel-mixed combination cavity building roof structural system are got back and are developed rapidly, and assembled architecture new upsurge is coming.
There is a kind of hatching solid component of employing plastic foam filling in prior art, because plastic foam noggin piece is
Organic material, occurs in that the defect that organic material increases with big, the overall buoyancy of the binding site control accuracy of inorganic material.
Because noggin piece is certain to produce buoyancy in concreting process, therefore in hollow building cover work progress
In, in order to the effect for overcoming buoyancy is often required to take many additional measures, one is to increase construction cost, and two is quality easily occur
Problem.In addition, because noggin piece is built-in in cavity building roof, the bottom of noggin piece also needs to casting concrete, this
The hollow rate for allowing for superstructure is little.In order to give full play to the superiority of cavity building roof, current development trend is to make packing material
One side (lower surface) exposes or two-sided (upper and lower surface), and such one is to eliminate the buoyancy in construction, and two is to allow the hollow of superstructure
Rate is bigger, it is lighter to conduct oneself with dignity.
In view of the preset component of filling of the prior art exist more than many defects, therefore, develop and a kind of there is existing skill
The hollow building cover that makes of the comprehensive function feature of art implements the good built-in noggin piece of overall performance so as to can make full use of coagulation
Native surface tension, does not produce buoyancy and concrete blending is good, enhancing structure bearing capacity, easy construction for concrete
The product of middle filling, has become the technical problem that cast-in-situ hollow building roof technical field is badly in need of solving.
It is that housing industrialization is layed foundation simultaneously in view of at this stage country carries out steel construction strategy and carries out assembled architecture,
No matter how to extend and update from the connotation and extension of building, it is all relevant with architectural structure system；Using multi-functional, economy,
Scientific and technological content, energy-conserving and environment-protective and the market demand are big, safety coefficient is high, and building for national industrial policies and industrial development direction is met again
Building structure system.Therefore, on the basis of the existing background technology of applicant, prior art is carried out into perfect, upgrading, integrated application is arrived
In housing industrialization, by cast-in-place cavity building roof Technology Difficulties problem factory industry neutralizing determine, shape, lattice of establish rules, surely assembling position,
Quantitative production prefabricated member, structure is integrally forced through the mode of cast-in-place concrete and processes, and industrialized production is prefabricated
Assembled Cavity structural member combines with cast-in-site armored concrete.Therefore, develop a kind of with the comprehensive of prior art
The good large span assembled cavity building roof of the overall performance of functional characteristics is closed, makes that concrete can be made full use of inside cavity building roof
Surface tension, does not produce buoyancy and concrete blending is good, enhancing structure bearing capacity, and bottom hanging ability is strong, realizes industry
Metaplasia is produced, and is the great breakthrough for realizing prefabricated assembled frame-shear-wall structure system new technology, is had become assembled and is built
Build the urgent need of technical field innovation.
The content of the invention
The purpose of this utility model is propulsion assembled architecture process, there is provided a kind of manufacturing speed is fast, production efficiency is high,
Drop bottom application work supplementary costs, transport easy construction, bottom hanging ability is strong, meet design ensures construction quality, is beneficial to realize
Building energy conservation integration and the multi-functional large span assembled cavity building roof for utilizing of superstructure.Using this large span assembled cavity
Superstructure, makes full use of the advantage of factory industry, produces assembled cavity prefabricated components, solve construction that existing system is present,
The problems such as environmental protection, matter weight, cost, work efficiency；Transition and upgrade is carried out to existing assembling frame shear wall structure system system, renewal is changed
Generation.
The technical solution of the utility model is as follows, a kind of large span assembled cavity building for filling netted box-shaped Cavity structural member
Lid, the cavity building roof includes armored concrete gate beam, armored concrete longitudinal rib beam, armored concrete top flange plate and netted
Box-shaped Cavity structural member, is provided with some armored concrete gate beams and some armored concrete longitudinal ribs in the cavity building roof
Beam, per armored concrete gate beam described in root in be provided with two reinforcing bars, per armored concrete longitudinal rib beam described in root in be provided with
The reinforcing bar arranged in steel plane grid, the armored concrete gate beam and armored concrete longitudinal rib beam and the two of steel plane grid
End is protruding；The netted box-shaped Cavity structural member is arranged on the armored concrete gate beam that intersects in length and breadth and armored concrete is vertical
In space between girt strip；The armored concrete top flange plate is located above the netted box-shaped Cavity structural member, the reinforcing bar
Bar-mat reinforcement is provided with concrete top flange plate；Lower surface of the lower surface of the netted box-shaped Cavity structural member as cavity building roof
A part so as to expose in the lower surface of cavity building roof, the height of the netted box-shaped Cavity structural member is less than the steel plane
The height of rack；It is fixedly connected by bracket fixing device between the steel plane grid and the reinforcing bar；The cavity
The length of superstructure is more than 6000mm, and thickness is more than 200mm；The netted box-shaped Cavity structural member includes that steel plate expansion web, side are sealed
Oralia part, support member and base, its light plate expansion web converts into form the net with case top surface, two case body sides and bottom face
The member body of shape box-shaped Cavity structural member, the side sealing plate seals the two ends of the member body；The member body
Positioned at the submounts, the base is the high-strength concrete layer being combined together with the bottom face of the member body, institute
The size for stating the size of base and the bottom face of the member body is identical, and the thickness of the base is 20-30mm；It is described high-strength
Steel mesh piece is also equipped with concrete layer, the steel mesh piece stretches out from four sides of base, and extension elongation is 50-150mm；Institute
Stating steel plate expansion web includes raised V-arrangement reinforcement and steel mesh face two parts, and described V-arrangement reinforcement is spaced and parallel with steel mesh face
Arrangement, is V-arrangement reinforcement at the two ends of the steel plate expansion web, and the height H1 of the V-arrangement reinforcement is 4-6mm；Described steel
Wire side includes steel plate expansion mesh and turns to connection strap；It is described to turn to the steel that connection strap is located between adjacent two V-arrangement reinforcements
Wire side center, the steering connection strap be arranged in parallel with V-arrangement reinforcement, and between every adjacent two V-arrangement reinforcements six row steel are arranged
Plate expands mesh, and the steering connection strap both sides respectively have three row steel plates to expand mesh, positioned at the three row steel for turning to connection strap side
The direction of plate expansion mesh is identical, and different positioned at the direction of the steel plate expansion mesh of the steering connection strap both sides.
Preferably, the thickness of the base of the netted box-shaped Cavity structural member is 20-30mm, in the high-strength concrete layer
The extension elongation that steel mesh piece stretches out from four sides of base is 50mm.
Preferably, the height H1 of the V-arrangement reinforcement is 4-10mm, and the thickness H2 of the steel plate expansion web is 0.35mm,
Spacing L1 of the adjacent two V-arrangement reinforcements in steel mesh face is 60mm, and the width L2 of each column steel plate expansion mesh is 8.5mm；Institute
The distance between parallelogram, two minor faces of the parallelogram L3 that is shaped as stating steel plate expansion mesh is 7.6mm,
The distance between two long sides L4 is 3.11mm, and the steel wire hem width degree L5 of each steel plate expansion mesh is 0.75mm.
Preferably, the height H1 of the V-arrangement reinforcement is 4.2mm, and width L6 is 7mm, and top arc radius R is 1.5mm；
The width of the steel plate expansion web is 600mm, and the quantity of the V-arrangement reinforcement is 11.
Preferably, the support member and side sealing plate by steel plate expansion web, extraordinary closing in net, zinc-coated wire mesh sheet,
Calcium silicate board with microporous with holes, plastic cement microwell plate or plasterboard are made.
Preferably, it is provided with air vent of the diameter not less than 100mm on the side sealing plate.
Preferably, the member body of the netted box-shaped Cavity structural member when being formed by steel plate expansion web is equivalent in bottom face
Construction inclined-plane is provided with the rotation angle position of two case body sides.
Preferably, the casting craft step of the cavity building roof is：
(1) bed die is assembled；Second support board is connected in into the both sides of the first support board, the second support board is first
Board axial direction array is ask to be provided with multiple, the first support board and the second support board transverse and longitudinal are interleaved to form the grid knot of bed die
Structure；
(2) steel plane grid is fixed on the first support board of bed die, is put down reinforcing bar with steel using bracket fixing device
Veil frame is fixedly connected, and completes the assembling and fixation of steel bar girder structure；
(3) noggin piece is placed on bed die, bar-mat reinforcement is then placed on noggin piece, put at the edge of bed die
Put baffle plate；
(4) steel bar girder will be covered all to concrete in concrete casting to the casting space between noggin piece
Structure, after cast molding, steel bar girder structure, bar-mat reinforcement and concrete form integrative-structure；
(5) remove bed die and baffle plate forms the large span assembled cavity building roof, the bed die and baffle plate can be again
It is multiple to utilize.
Preferably, the bracket fixing device includes screw rod and fixedly connected part, and the fixedly connected part includes arch master
Body and arcuate body openend and symmetrically arranged connecting plate are arranged at, are machined with the connecting plate for the logical of connecting screw rod
Hole, arcuate body axial direction array is provided with the connecting plate no less than two groups, the company of being located on the side wall of the arcuate body
Horizontal axis hole is offered between fishplate bar；The arch is mainly used to install reinforcing bar, and horizontal axis hole is used to install the abdomen of steel plane grid
Bar.
The utility model has the advantages that compared with prior art：
The hermetically sealed hollow cavity component of prior art is substituted using netted box-shaped Cavity structural member or polystyrene foam is solid
Cavity structural member, hollow rate is big, and cracky is not allowed in construction, while easily fluting is easy to ventilation or pipeline to install on steel mesh；Adopt
Arranged with high-strength concrete layer base and be located at below member body, it is ensured that structure security against fire during use；Base it is high-strength
Concrete layer is combined together the hanging ability that can greatly improve member bottom section with the bottom face of member body；On-site consolidation ten
Divide convenient, conevying efficiency is high, scene is transported and installs very convenient；Job site horizontal location is workable；Using steel plate
The mesh of expansion web is less, and intensity is bigger, and concrete mortar can be avoided to penetrate in steel mesh；The netted box-shaped Cavity structural member is existing
Pour hollow rate in hollow building cover system bigger, it is possible to decrease integrated engineering cost.
The utility model employs steel plate expansion web to make the novel netted box-shaped of the built-in filling of cast-in-situ hollow building roof
Cavity structural member, overcomes that hollow building cover hollow rate is low, easily damaged, transport performance is poor, live from great, construction for packing material
If assembled inconvenient, bottom is hung ability, pipeline difficult arrangement or there is the defects such as potential safety hazard when using.The utility model
Netted box-shaped Cavity structural member, production, transport and install all easily, anti shock and vibration performance is good, melts with concrete compound phase
Property it is good, can dramatically avoid concrete mortar from penetrating in box Cavity structural member, and do not produce buoyancy, so as to improve product
Matter, drop bottom application work supplementary costs, substantially increase the convenient degree of construction and engineering effort.With the hollow building cover of this product formation across
Big, lightweight, sound insulation, good heat-insulation effect are spent, reliability of structure, shock resistance, crack resistance are also preferable.The utility model has very
Good facilitation is played in economy well and applicability, the development to Building technology.
In sum, the large span assembled cavity building roof that the utility model is provided, span is big, lightweight, sound insulation, heat-insulated
Effect is good, and reliability of structure, shock resistance, crack resistance are also preferable.The utility model has good economy and applicability, right
Good facilitation is played in the development of Building technology.
Description of the drawings
Fig. 1 is the generalized section of large span assembled cavity building roof of the present utility model；
Fig. 2 is the structural representation of large span assembled cavity building roof of the present utility model；
Fig. 3 is the support mode structural representation of large span assembled cavity building roof of the present utility model；
Fig. 4 is the structural representation of steel bar girder structure of the present utility model；
Fig. 5 is the partial enlarged drawing of portion P in Fig. 4；
Fig. 6 is the structural representation of the fixedly connected part that the utility model is provided；
Fig. 7 is A-A profiles in Fig. 4；
Fig. 8 is B-B profiles in Fig. 4；
Fig. 9 is the structural representation of the first support board of the present utility model；
Figure 10 is the front view of the second support board of the present utility model；
Figure 11 is the side view of the second support board of the present utility model；
Figure 12 is the generalized section of netted box-shaped Cavity structural member of the present utility model；
Figure 13 is the plane machining expanded schematic diagram of netted box-shaped Cavity structural member of the present utility model；
Figure 14 is the top view of netted box-shaped Cavity structural member of the present utility model；
Figure 15 is the structural representation that the member body of netted box-shaped Cavity structural member of the present utility model is combined with base；
Figure 16 is a kind of structural representation of the netted box-shaped Cavity structural member of embodiment of the present utility model；
The schematic diagram of the steel plate expansion web that Figure 17 is adopted by netted box-shaped Cavity structural member of the present utility model；
The knot of the steel plate expansion web that Figure 18 is adopted by the of the present utility model netted box-shaped Cavity structural member provided in Figure 17
The side view of structure schematic diagram；
Figure 19 and Figure 20 are respectively the magnified partial view in Figure 17 and Figure 18.
In figure, the netted box-shaped Cavity structural members of 1-；2- armored concrete gate beams；3- armored concrete longitudinal rib beams；4- reinforcing bars
Concrete top flange plate；5- reinforcing bars；6- steel plane grids；7- fixedly connected parts；8- screw rods；9- attaching nut；10- concrete；
11- bar-mat reinforcements；12- the first support boards；13- the second support boards；14- draw-in grooves；15- snap fits；16- installing holes；The soles of 17- first；
The soles of 18- second；The member body of the netted box-shaped Cavity structural members of 19-；The bottom face of 20- member bodies；The case of 21- member bodies
Body side；The case top surface of 22- member bodies；Seal plate in 23- sides；24- support members；25- bending edges；26- bases；27- steel
Mesh sheet；28- connecting portions；29- air vents；30- strip holes；31- strip bulges；201-V shape reinforcements；202- steel meshes face；
203- steel plates expand mesh；204- turns to connection strap；205- steel wires side；61- web members；62- stirrups；The horizontal axis holes of 63-；71- encircles
Shape main body；72- connecting plates.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical solution of the utility model is clearly and completely retouched
State.
Fig. 1 and Fig. 2 are the structural representation of large span assembled cavity building roof of the present utility model；As illustrated, described
Cavity building roof includes armored concrete gate beam 2, armored concrete longitudinal rib beam 3, armored concrete top flange plate 4 and netted box-shaped
Cavity structural member 1, is provided with some armored concrete gate beams 2 and some armored concrete longitudinal rib beams in the cavity building roof
3, per armored concrete gate beam 3 described in root in be provided with two reinforcing bars 5, per armored concrete longitudinal rib beam 2 described in root in arrange
There is steel plane grid 6, the reinforcing bar 5 and steel plane net of setting in the armored concrete gate beam 2 and armored concrete longitudinal rib beam 3
The two ends of frame 6 are protruding；The netted box-shaped Cavity structural member 1 is arranged on the armored concrete gate beam 2 and steel for intersecting in length and breadth
In space between reinforced concrete longitudinal rib beam 3；The armored concrete top flange plate 4 is located on the netted box-shaped Cavity structural member
Bar-mat reinforcement 11 is provided with face, the armored concrete top flange plate 4；The lower surface conduct of the netted box-shaped Cavity structural member 1
A part for the lower surface of cavity building roof so as to expose in the lower surface of cavity building roof, the netted box-shaped Cavity structural member 1
Highly less than the height of the steel plane grid 6；Pass through bracket fixing device between the steel plane grid 6 and the reinforcing bar 5
It is fixedly connected；The length of the cavity building roof is more than 6000mm, and thickness is more than 200mm.
Fig. 3 is to make the support mode structural representation used during large span assembled cavity building roof of the present utility model
Figure；As illustrated, support mode includes bed die and the support being arranged on bed die, the bed die has network, the bottom
Mould includes the first support board 12 and is connected in the second support board 13 of the both sides of the first support board 12, and the second support board 13 is the
The axial array of one support board 12 is provided with multiple, and the first support board 12 and the transverse and longitudinal of the second support board 13 are staggered into grid knot
Structure.The support is steel bar girder structure, and the steel bar girder structure includes that steel plane grid 6 and intersection are located in steel plane net
Reinforcing bar 5 on frame 6, the reinforcing bar 5 is equipped with multiple in the longitudinal direction of steel plane grid 6, and it is located at the top of the second support board 13, its number
Amount is determined by the quantity of the second support board 13.Netted box-shaped Cavity structural member 1 is positioned in support mode, more specifically, netted case
Shape Cavity structural member 1 is positioned on the first support board 12 and the second support board 13.Casting concrete is formed after cavity building roof, steel plane
Rack 6 is located in the armored concrete longitudinal rib beam 2, and reinforcing bar 5 is located in the armored concrete gate beam 3.
Fig. 4 is the structural representation of steel bar girder structure of the present utility model；Referring concurrently to Fig. 5-11, also include support
Reinforcing bar 5 and steel plane grid 6 can be consolidated and can secured the stand on bed die by fixing device, bracket fixing device.Institute
Bracket fixing device is stated including screw rod 8 and fixedly connected part 7, the screw rod 8 is fixedly installed on the first support board 12, it is concrete solid
Determining mode is：The upper face array of first support board 12 is machined with installing hole 16, the support board 13 of the installing hole 16 and second
It is corresponding and to organize number identical, it has been bolted attaching nut 9 on the installing hole 16, the other end of the attaching nut 9 connects
Connect screw rod 8.The fixedly connected part 7 is comprising arcuate body 71 and is arranged at the openend of arcuate body 71 and symmetrically arranged connection
Plate 72, is machined with for the through hole of connecting screw rod 8 on the connecting plate 72, and the axial array of the arcuate body 71 is provided with much
In two groups of connecting plate 72, horizontal axis hole 63, this reality are offered in the side wall of the arcuate body 71 and between connecting plate 72
In applying example, the connecting plate 72 is two groups, and horizontal axis hole 63 is one group.When connecting plate 72 is provided with three groups, horizontal axis hole 63
For two groups, i.e. steel plane grid 6 is arranged with two in parallel, the like.The arcuate body 71 is used to install reinforcing bar 5, laterally
Axis hole 63 is used to install the web member 61 of steel plane grid 6, and connecting plate 72 is arranged on screw rod 8 and is locked, and then the support
It is fixedly set on bed die.
As shown in Figure 7 and Figure 8, the web member 61 of the steel plane grid 6 has two, and hoop is welded between the web member 61
Muscle 62.The reinforcing bar 5 includes a upper reinforcing bar and a next reinforcing bar, puts down with steel in the upper reinforcing bar and the next reinforcing bar
The staggered place of web member 61 of veil frame 6 is provided with fixedly connected part 7, and up and down the fixedly connected part 7 sets relatively.Positioned at lower section
Fixedly connected part 7 connecting plate 72 ride upon on attaching nut 9 and carried out from attaching nut 9 it is vertical to positioning, it is then the next
Reinforcing bar is vertically fixed to position, and the web member 61 of the downside of steel plane grid 6 is overlapped on the next reinforcing bar, and upper bar splicing is in upside
Web member on.The web member of upper reinforcing bar and upside is consolidated by the fixedly connected part 7 of top.
As shown in Figures 9 to 11, the cross section of the first support board 12 is U-shaped structure, and its biside plate bottom is with upwards
First sole 17 of bending, the upper plate plate face of first sole 17 is machined with the draw-in groove 14 of insertion；The second support board 13
Cross section is the second sole 18 of U-shaped structure and the oriented both sides bending of biside plate bottom band, and the lower face of the second sole 18 sets
Snap fit 15 is equipped with, snap fit 15 is connected in draw-in groove 14 clamping that can realize the first support board 12 and the second support board 13.
The biside plate of the first support board 12 and the second support board 13 is with the span of the angle of its upper face
93 ° -97 °, preferred value is 95 °.
The casting craft step of the cavity building roof is：
(1) bed die is assembled；Second support board 13 is connected in into the both sides of the first support board 12, the second support board 13
It is provided with the axial array of the first support board 12 multiple, the first support board 12 and the transverse and longitudinal of the second support board 13 are interleaved to be formed
The network of bed die；
(2) steel plane grid 6 is fixed on the first support board 12 of bed die, using bracket fixing device by reinforcing bar 5 with
Steel plane grid 6 is fixedly connected, and completes the assembling and fixation of steel bar girder structure；
(3) netted box-shaped Cavity structural member 1 is placed on bed die, then places reinforcing bar on netted box-shaped Cavity structural member 1
Net 11, at the edge of bed die baffle plate is placed；
(4) will cover all to concrete in concreting to the casting space between netted box-shaped Cavity structural member 1
Steel bar girder structure, after pouring shaping, steel bar girder structure, bar-mat reinforcement and concrete form integrative-structure；
(5) remove bed die and baffle plate forms the large span assembled cavity building roof, the bed die and baffle plate can be again
It is multiple to utilize.
Figure 12 is the generalized section of netted box-shaped Cavity structural member of the present utility model, the netted box-shaped Cavity structural member 1
Including steel plate expansion web, support member 24, side sealing plate 23 and base 26, wherein forming tool by one piece of steel plate expansion web is equivalent
There is the member body 19 of the netted box-shaped Cavity structural member in 22, two case body sides 21 of case top surface and bottom face 20；The component master
The case top surface 22 of body 19 is made up of the head and the tail overlap joint of steel plate expansion web, and this structure equally also constitutes the table of case top surface 22
Face enhancement layer, the amount of lap of connecting portion 28 is less than or equal to the length of Cavity structural member top surface.
Figure 13 is the plane machining expanded schematic diagram of netted box-shaped Cavity structural member of the present utility model；Expanded by one block of steel plate
Net volume is closed after the member body 19 for defining netted box-shaped Cavity structural member, along with two blocks of side sealing plates 23, side envelope
Oralia part 23 seals the two ends of the member body 19 of described netted box-shaped Cavity structural member, that is, constitute netted box-shaped Cavity structural member
1 complete hexahedron structure；As shown in Figure 12 and Figure 13, the netted box-shaped of combination is suppressed with the vertical direction of steel plate expansion web empty
The bending edges 25 of quantitative bending part are needed during the component of chamber.
Figure 14 is the top view of netted box-shaped Cavity structural member of the present utility model；Can see in the embodiment in figure and adopt
Support frame is formed with two support members 24.In practical engineering application, can be according to the execution conditions at scene and concrete need
Will, the quantity of support member 24 is flexibly set.Also the V-type reinforcement on steel plate expansion web is show but in the figure.The support
Part 24 forms support frame in the closing space that member body 1 and side sealing plate 23 are enclosed.
Figure 15 is the structural representation that the member body of netted box-shaped Cavity structural member of the present utility model is combined with base；Such as
Shown in Figure 15, the netted box-shaped Cavity structural member also has base 26, and the member body 19 is located above the base 26, described
Base 26 is the high-strength concrete layer being combined together with the bottom face 20 of the member body, the size of the base 26 and institute
The size for stating bottom face 20 is identical, and the thickness of the base 26 is 20-30mm；Steel mesh piece is also equipped with the high-strength concrete layer
27, the steel mesh piece 27 stretches out from four sides of base 26, and extension elongation is 50-150mm.Arrange on base plate 26 and adopt
The steel mesh piece 27 for stretching out, can make the netted box-shaped Cavity structural member when filling pours hollow building cover, can with superstructure in the middle of
Reinforcing bar or the concrete effectively connection for pouring, so as to be further ensured that the company of the netted box-shaped Cavity structural member in hollow building cover
Connect intensity, it is ensured that dismantle after template that netted box-shaped Cavity structural member connection is closely knit firmly concrete has been poured, will not drop.
When the netted box-shaped Cavity structural member is filled in the concrete of cast-in-situ hollow building roof, the netted box-shaped cavity
The base lower surface of component as the lower surface of cast-in-situ hollow building roof a part so as in the lower surface of cast-in-situ hollow building roof
Expose.High-strength concrete layer of the thickness being combined together with the bottom face 20 of member body of the base 26 up to 20-30mm
The hanging ability of member bottom section can be greatly improved, it is ensured that light fixture and other objects are fixed on the superstructure after the completion of construction
Firmness.
As shown in Figure 14 and Figure 16, the side sealing periphery of plate 23 in netted box-shaped Cavity structural member expands selvage in steel plate
Combine in the V-type reinforcement 201 of edge, while support member 24 and side sealing plate 23 are also connected and fixed, can be fine
Secure side seal plate 23 displacement, make side seal plate 23 while can also support net box-shaped Cavity structural member 1
Deformation during surrounding stress；When concrete is poured into a mould, it is unlikely to make side sealing plate 23 be affected by concrete lateral pressure, leads
Side is caused to seal plate 23 toward component intrinsic displacement.In the present embodiment, side sealing plate 23 and support member 24 can be by plating
Zinc steel fabric sheet or calcium silicate board with microporous or plastic plate or plasterboard or corrugated board are made, it is also possible to be equally made up of steel plate expansion web.
24 two sides of support member inner top surface respectively with box Cavity structural member, inner bottom surface are engaged, the two ends of support member 24 and side
Edge sealing plate 23 is engaged.When using calcium silicate board with microporous or plastic plate or plasterboard or corrugated board make side sealing plate 23 and
During support member 24, in order to prevent support member 24 from toppling over, in prefabricated several strip bulges 31 of the two ends of support member 24, in side sealing
The prefabricated equal number of strip hole 30 in relevant position in plate 23, the width of strip hole 30 is more than the thickness of slab of support member 24,
In facilitating the prefabricated partial insertion strip hole 30 of strip bulge 31 of the two ends of support member 24, it is thin that side sealing plate 23 is adopted
Plate can play a supporting role, and be again the effect for playing closure Cavity structural member.When using zinc-coated wire mesh sheet or steel plate expansion web
When making side sealing plate 23 and support member 24, support member 24 seals plate with case inner top surface, inner bottom surface and side
Connection between 23 can be carried out using welding or improving bud grafting.On side sealing plate 23 diameter is provided with not less than 100mm
Air vent 29.In assembling process, steel plate expansion web head and the tail overlapping part is taken at Cavity structural member body side surface
The amount of connecing is less than the surface area of Cavity structural member case body side 21, after support member 24 and side sealing plate 23 are in place, by steel
The head and the tail overlapping position colligation of V-arrangement reinforcement 201 of plate expansion web is fixed or welded at welded joint.
In all specific embodiments, if hollow building cover need to be used as dark air delivery duct function, first in side before assembling
The air vent 29 for lingering on adapter is bored in the middle of edge sealing plate 23.
Used as another specific embodiment, the member body 19 of the netted box-shaped Cavity structural member is being rolled over by steel plate expansion web
Rotation angle position when conjunction is formed in bottom face 20 and two case body sides 21 is provided with construction inclined-plane.
The structural representation of the steel plate expansion web that Figure 17 is adopted by netted box-shaped Cavity structural member of the present utility model；As schemed
Shown, the steel plate expansion web includes raised V-arrangement reinforcement 201 and the two parts of steel mesh face 202, described V-arrangement reinforcement 201
With the spaced and parallel arrangement in steel mesh face 202, the two ends of the steel plate expansion web be V-arrangement reinforcement 201, described steel mesh face 202
Including steel plate expansion mesh 203 and steering connection strap 204；The steering connection strap 204 is located at adjacent two V-arrangement reinforcements 201
Between steel mesh face center, the steering connection strap 204 be arranged in parallel with V-arrangement reinforcement 201, per adjacent two V-arrangement reinforcements
Six row steel plates expansion mesh 203 is set between 201, and steering connection strap 204 both sides respectively there are three row steel plates to expand mesh 203,
Direction positioned at the three row steel plates expansion mesh for turning to the side of connection strap 204 is identical, and positioned at the steering connection strap both sides
Steel plate expands mesh 203 not in same direction, that is, " people " character form structure of axis centered on defining to turn to connection strap 204.
Continuous V-type reinforcement 201 arranged in parallel is the main source of intensity in the steel plate expansion web.Steel mesh face 202
It is upper to expand mesh 203 with neat steel plate, the work(with the combination between the concrete material for strengthening steel plate expansion web and cast
Energy.
Expansion web present in prior art, the direction of adjacent two row steel plate expansion mesh is different, easily causes pouring
When concrete penetrate in casing.And the steel plate expansion web that the application is provided, wherein adjacent three row steel plates expansion mesh
Direction is identical, it is to avoid when pouring girt strip concrete, the refluence of casing side concrete, turns to connection strap side and is set to equally
Mesh direction cause the combination of concrete and mesh can be more preferable, the fluency for pouring more preferably, is considerably reduced and enters casing
Interior amount of concrete, reduces loss.
Figure 18-20 show respectively the tool of the steel plate expansion web that netted box-shaped Cavity structural member of the present utility model is adopted
Body characteristicses；Area on the steel mesh face 202 shared by each steel plate expansion mesh 203 is less than 40mm2；The steel plate expansion web
Thickness H2 is 0.35mm, and the height H1 of the V-arrangement reinforcement is 4-6mm, spacing of the adjacent two V-arrangement reinforcements in steel mesh face
L1 is 60mm, and the width L2 of each column steel plate expansion mesh is 8.5mm；
In production practices, through the research of the multiple many experiments of inventor and creativeness, by described V-arrangement reinforcement
Height H1 be 4.2mm, width L6 is 7mm, and arc radius R in top is 1.5mm.Being shaped as the steel plate expansion mesh is parallel
The distance between quadrangle, two minor faces of parallelogram L 3 is 7.6mm, and the distance between two long sides L4 is
3.11mm, the steel wire hem width degree L5 of each steel plate expansion mesh is 0.75mm.Additionally, the width of the steel plate expansion web is
600mm, the quantity of the V-arrangement reinforcement is 11.Compression strength can be significantly increased.
The V-arrangement reinforcement 201 of the steel plate expansion web and steel mesh face 202 are by same sheet metal rushing in special purpose machinery
Cut and expand making shaping；The regular change of steel plate expansion mesh 203 its grid direction on the steel mesh face 202；The V
Bending trace is suppressed with the vertical direction of shape reinforcement 201；The crowning of the V-arrangement reinforcement 201 is in box Cavity structural member
Outer surface.
The steel plate expansion web is by using special mechanical equipments such as feeding machine, bicker system, augmentation system, cutters
Make steel plate dictyosome and suppress bending trace, at the construction field (site) by bending tool, one by one bending connects to form structure by bending trace
Part main body.
In practical engineering application, factory is according to can be according to the length of bottom face 20 and case top surface 22, two case body sides
Steel plate expansion web length needed for the length cutting of the height in face 21 and the connecting portion 28 for overlapping, in the corresponding of required steel plate expansion web
Four bending traces 25 are pressed at length.Then the steel plate expansion web is mutually applied to form the bottom face 20 of the member body
Steel plate expansion web position, is combined with high-strength concrete, forms high-strength concrete layer as the base 26 of box Cavity structural member, is being poured
When building high-strength concrete, steel mesh piece 27 is added in high-strength concrete.Steel plate expansion web is suppressed into bending trace, by side hush panel
After part and support member are packed respectively, according to the steel plate expansion web and steel mesh piece after being combined with high-strength concrete, side sealing plate,
The usage ratio transport of support member carries out Assembling to job site；When then assembling at the scene, by with high-strength coagulation
Soil combines to form the steel plate expansion web of high-strength concrete layer and is converted into member body, then consolidates with support member and side sealing plate
Surely it is joined together to form the netted box-shaped Cavity structural member.
High-strength concrete used in the high-strength concrete layer of the base 26 of the box Cavity structural member in the utility model is
The conventional high-strength concrete of building field.
Preferably, it would however also be possible to employ special high-strength concrete, it is made up of the raw material of following percentage by weight：Silicate
Cement 10～15%；Breeze 8～12%；Flyash 6～10%；Silicon ash 2～6%；Haydite 20～30%；Pottery sand 25～35%；
High-performance water reducing agent 0.2～0.8%；Exciting agent 0.05-0.3%；Tackifier 0.05-0.8%；Water 8～12%.Wherein, it is described
Breeze is the breeze through superfine grinding, and its specific surface area is 650m2/kg；The flyash is I level flyash, its 45um sieve
Balance of 7%；The silicon ash is SiO2It is 25000m that content is 94%, specific surface area2The silicon ash of/kg；The haydite is broken stone type
Haydites of book structure, its density rating 800, in 5-20mm, cylindrical compress strength is 6.9Mpa to particle diameter；Bulk density 630kg/ of the pottery sand
m3, apparent density 1390kg/m3；The high-performance water reducing agent is polyocarboxy acid type high-performance water reducing agent；The exciting agent is three ethanol
One or more in amine, diethanol amine, triisopropanolamine, sodium sulphate, sodium metasilicate, prodan；The tackifier are hydroxyl first
One or several in base cellulose ether, polyacrylamide, polyacrylic acid.
Preferably, there is provided the preparation component of another kind of high-strength concrete, it is according to per cube of component：52.5 level ordinary silicon
Acid salt cement 400-420kg, phosphorus slag powder 72kg, I level flyash 72-90kg, silicon ash 36-48kg, river sand 600-660kg, 5-
20mm impact crushing stone 980-1070kg, water reducer 11kg, water 140kg.
In the cavity building roof template that the netted box-shaped Cavity structural member provided using the utility model is constructed at the scene, colligation master
Beam and girt strip, in the grid that the girt strip reinforcing bar for intersecting in length and breadth is formed, are directly placed into the netted box-shaped Cavity structural member, in laying
Concrete is poured into a mould after the reinforcing bar of the edge of a wing, cast-in-place cavity building roof needed for obtaining；Can warm oneself and fire protection pipeline according to transmission solar and wind
During the cavity building roof of function, need to the perforate in the box Cavity structural member, wear in the box Cavity structural member of girt strip adjacent apertures
Enter the short tube of reserved insertion girt strip, form air-supply passage；Or stably reserve under conditions of insertion girt strip short tube position, its short tube can
The outer of the adjacent netted box-shaped Cavity structural member of directly contact girt strip, cast-in-place concrete builds up Multifunctional cast-in-situ concrete
Cavity building roof.Meanwhile, the netted box-shaped Cavity structural member in the utility model improves the fire-protection rating of whole building.
The utility model substitutes the hermetically sealed hollow cavity component of prior art or polyphenyl second using netted box-shaped Cavity structural member
The solid Cavity structural member of alkene foam, hollow rate is big, and cracky is not allowed in construction, while easily fluting is easy to divulge information or is managed on steel mesh
Line is installed；Arranged using high-strength concrete layer base and be located at below member body, it is ensured that structure security against fire during use；Bottom
The high-strength concrete layer of seat is combined together the hanging ability that can greatly improve member bottom section with the bottom face of member body；It is existing
Field is assembled very convenient, and conevying efficiency is high, and scene is transported and installs very convenient；Job site horizontal location is workable；Adopt
The mesh of steel plate expansion web is less, and intensity is bigger, and concrete mortar can be avoided to penetrate in steel mesh；The netted box-shaped cavity
Component hollow rate in cast-in-situ hollow building roof system is bigger, it is possible to decrease integrated engineering cost.
The utility model implement when, according to the requirement specification of architectural design, performance high accuracy make it is netted
Box-shaped Cavity structural member is crucial, by the Fully-mechanized production steel plate expansion web that sheerly metal material is fabricated to of the technology of the application
Be crucial, then steel plate expansion web be changed to into steel mesh body and supporting network makes steel mesh body or reinforcing bar dictyosome into, be combined into different size and
The netted box-shaped Cavity structural member of model is used in cast-in-place cavity building roof, completes a kind of cast-in-situ hollow building roof filling of the present utility model
The manufacturing of novel netted box-shaped Cavity structural member.
Obviously, above-mentioned embodiment is only intended to clearly illustrate example, and not to the restriction of embodiment.
For those of ordinary skill in the field, the change of other multi-forms can also be made on the basis of the above description
Or change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out
Or among changing still in protection domain of the present utility model.
Claims (8)
1. a kind of large span assembled cavity building roof of the netted box-shaped Cavity structural member of filling, it is characterised in that the cavity building roof
Including armored concrete gate beam, armored concrete longitudinal rib beam, armored concrete top flange plate and netted box-shaped Cavity structural member, institute
State and be provided with cavity building roof some armored concrete gate beams and some armored concrete longitudinal rib beams, per reinforcing bar described in root
Two reinforcing bars are provided with concrete gate beam, per armored concrete longitudinal rib beam described in root in be provided with steel plane grid, it is described
The reinforcing bar arranged in armored concrete gate beam and armored concrete longitudinal rib beam and the two ends of steel plane grid are protruding；It is described
Netted box-shaped Cavity structural member is arranged on the space between the armored concrete gate beam and armored concrete longitudinal rib beam for intersecting in length and breadth
It is interior；The armored concrete top flange plate is located above the netted box-shaped Cavity structural member, the armored concrete top flange plate
Inside it is provided with bar-mat reinforcement；The lower surface of the netted box-shaped Cavity structural member as the lower surface of cavity building roof a part so as to
Expose in the lower surface of cavity building roof, the height of the netted box-shaped Cavity structural member is less than the height of the steel plane grid；Institute
State and be fixedly connected by bracket fixing device between steel plane grid and the reinforcing bar；The length of the cavity building roof is more than
6000mm, thickness is more than 200mm；The netted box-shaped Cavity structural member include steel plate expansion web, side sealing plate, support member and
Base, its light plate expansion web converts into form the netted box-shaped Cavity structural member with case top surface, two case body sides and bottom face
Member body, side sealing plate seals the two ends of the member body；The member body is located on the base
Face, the base is the high-strength concrete layer being combined together with the bottom face of the member body, the size of the base with
The size in the bottom face of the member body is identical, and the thickness of the base is 20-30mm；Also match somebody with somebody in the high-strength concrete layer
There is steel mesh piece, the steel mesh piece stretches out from four sides of base, and extension elongation is 50-150mm；The steel plate expansion web bag
The V-arrangement reinforcement and steel mesh face two parts of projection, described V-arrangement reinforcement and the spaced and parallel arrangement in steel mesh face are included, in the steel
The two ends of plate expansion web are V-arrangement reinforcement, and the height H1 of the V-arrangement reinforcement is 4-6mm；Described steel mesh face is expanded including steel plate
Throw the net hole and turn to connection strap；The connection strap that turns to is located at steel mesh face center between adjacent two V-arrangement reinforcements, described turn
It is arranged in parallel with V-arrangement reinforcement to connection strap, six row steel plates expansion mesh is set between every adjacent two V-arrangement reinforcements, it is described
Turning to connection strap both sides respectively has three row steel plates to expand mesh, and positioned at the three row steel plates for turning to connection strap side the direction of mesh is expanded
It is identical and different positioned at the direction of the steel plate expansion mesh of the steering connection strap both sides.
2. the large span assembled cavity building roof of the netted box-shaped Cavity structural member of a kind of filling as claimed in claim 1, its feature
It is that the thickness of the base of the netted box-shaped Cavity structural member is 20-30mm, and the steel mesh piece in the high-strength concrete layer is the bottom of from
The extension elongation stretched out in four sides of seat is 50mm.
3. the large span assembled cavity building roof of the netted box-shaped Cavity structural member of a kind of filling as claimed in claim 1, its feature
It is that the thickness H2 of the steel plate expansion web is 0.35mm, and spacing L1 of the adjacent two V-arrangement reinforcements in steel mesh face is
60mm, the width L2 of each column steel plate expansion mesh is 8.5mm；The steel plate expands the parallelogram that is shaped as of mesh, described
The distance between two minor faces of parallelogram L3 is 7.6mm, and the distance between two long sides L4 is 3.11mm, each steel plate
The steel wire hem width degree L5 of expansion mesh is 0.75mm.
4. the large span assembled cavity building roof of the netted box-shaped Cavity structural member of a kind of filling as claimed in claim 3, its feature
It is that the height H1 of the V-arrangement reinforcement is 4.2mm, and width L6 is 7mm, and top arc radius R is 1.5mm；The steel plate expands
The width thrown the net is 600mm, and the quantity of the V-arrangement reinforcement is 11.
5. the large span assembled cavity building roof of the netted box-shaped Cavity structural member of a kind of filling as claimed in claim 1, its feature
Be, the support member and side sealing plate by steel plate expansion web, extraordinary closing in net, zinc-coated wire mesh sheet, calcium silicate board with microporous with holes,
Plastic cement microwell plate or plasterboard are made.
6. the large span assembled cavity building roof of the netted box-shaped Cavity structural member of a kind of filling as claimed in claim 1, its feature
It is to be provided with air vent of the diameter not less than 100mm on the side sealing plate.
7. the large span assembled cavity building roof of the netted box-shaped Cavity structural member of a kind of filling as claimed in claim 1, its feature
It is that the member body of the netted box-shaped Cavity structural member by steel plate expansion web is equivalent when being formed in bottom face and two case bodies
The rotation angle position of side is provided with construction inclined-plane.
8. a kind of large span assembled cavity building roof of the netted box-shaped Cavity structural member of filling as described in claim 1-7 is arbitrary,
Characterized in that, the bracket fixing device includes screw rod and fixedly connected part, the fixedly connected part comprising arcuate body and
Arcuate body openend and symmetrically arranged connecting plate are arranged at, the through hole for connecting screw rod are machined with the connecting plate,
Arcuate body axial direction array is provided with the connecting plate no less than two groups, and connecting plate is located on the side wall of the arcuate body
Between offer horizontal axis hole；The arch is mainly used to install reinforcing bar, and horizontal axis hole is used to install the web member of steel plane grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824156.6U CN206091005U (en) | 2016-07-29 | 2016-07-29 | Pack large -span assembled cavity superstructure of netted box cavity member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824156.6U CN206091005U (en) | 2016-07-29 | 2016-07-29 | Pack large -span assembled cavity superstructure of netted box cavity member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206091005U true CN206091005U (en) | 2017-04-12 |
Family
ID=58467708
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620824156.6U Active CN206091005U (en) | 2016-07-29 | 2016-07-29 | Pack large -span assembled cavity superstructure of netted box cavity member |
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| Country | Link |
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| CN (1) | CN206091005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412520A (en) * | 2018-05-16 | 2018-08-17 | 中国矿业大学 | A kind of tear-proof easily couples high rigidity bar-mat reinforcement |
| CN111287380A (en) * | 2020-03-10 | 2020-06-16 | 郭伍常 | Metal composite filling box with concrete bottom plate |
-
2016
- 2016-07-29 CN CN201620824156.6U patent/CN206091005U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412520A (en) * | 2018-05-16 | 2018-08-17 | 中国矿业大学 | A kind of tear-proof easily couples high rigidity bar-mat reinforcement |
| CN108412520B (en) * | 2018-05-16 | 2024-03-26 | 中国矿业大学 | Tearing-resistant easy-to-connect high-rigidity reinforcing steel bar mesh |
| CN111287380A (en) * | 2020-03-10 | 2020-06-16 | 郭伍常 | Metal composite filling box with concrete bottom plate |
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Effective date of registration: 20170531 Address after: 100044 Beijing city Xicheng District Xizhimen Street No. 15 Building No. 1 emerging East Lane 302 Patentee after: Clear sunny Technology Development Co. Ltd. in Beijing Address before: 100044 Beijing city Xicheng District No. 15 emerging East Lane building 302 room 1 Patentee before: Wang Qing |