CN107165320A - A kind of netted box-shaped Cavity structural member of special type closing in for the built-in filling of cast-in-situ hollow building roof - Google Patents
A kind of netted box-shaped Cavity structural member of special type closing in for the built-in filling of cast-in-situ hollow building roof Download PDFInfo
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- CN107165320A CN107165320A CN201610123990.7A CN201610123990A CN107165320A CN 107165320 A CN107165320 A CN 107165320A CN 201610123990 A CN201610123990 A CN 201610123990A CN 107165320 A CN107165320 A CN 107165320A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
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Abstract
Present invention relates particularly to a kind of netted box component of special type closing in for being filled built in cast-in-situ hollow building roof, described special type closes up netted box-shaped Cavity structural member by extraordinary closing in net, seal plate in side, support member and anti-floating draw piece assemble, wherein extraordinary equivalent formed of the net that closes up has case top surface, the main body of the netted box-shaped Cavity structural member of special type closing in two case body sides and bottom face, side sealing plate seals the two ends of the main body of the described netted box-shaped Cavity structural member of special type closing in, support member forms support frame in the closing space that extraordinary closing in net and side sealing plate are enclosed.The box Cavity structural member of filling built in cast-in-situ hollow building roof is made present invention employs extraordinary closing in net, it is good that blending is combined with concrete, concrete mortar can be avoided to penetrate into box-type member completely, and do not produce buoyancy, so as to improve quality, drop bottom application work supplementary costs, the convenient degree of construction and engineering effort are substantially increased.
Description
Technical field
The present invention relates to a kind of filling prefabricated components for building for cast-in-situ hollow building roof, and in particular to a kind of
For the netted box-shaped Cavity structural member of special type closing in filled built in cast-in-situ hollow building roof.
Background technology
With the development of building engineering field technology, the building demands of different spaces cause building structure occur by
Walk sectionalization the characteristics of, underground garage, market, office building etc. building be adapted to large bay, mushroom construction should
With.Cast-in-place concrete hollow building roof technology is based on such demand and arisen at the historic moment.In large span, greatly open
Between in building structure, compared with traditional solid superstructure or prestressed concrete floors, cast-in-situ hollow building roof has reduction
Floor height, span be big, from heavy and light, strong, heat-insulated anti-seismic performance, fire prevention and the good, good economy performance of sound insulation property etc.
Plurality of advantages.At present, the cast-in-situ hollow building roof structure in the larger public building of China's span and residential housing
Used by more.
At present in cast-in-situ reinforced concrete hollow floor technical field, generally using hermetically sealed obturator component
Moulding by casting hollow floor, such as structural member for concrete thin-wall cylinder, are fabricated to sealed tubular obturator, to realize
Cast-in-situ hollow building roof provides tubular, hollow obturator, solves the non-technique for taking out heart pore-forming of cast-in-situ hollow building roof
Problem.But it is due to that sealed tubular hollow filling body is present, fixed difficulty is big, buoyancy is big, the big matter weight of density,
Production, transport and site operation are inconvenient, it is impossible to form large-scale industrial production line.
At the same time, it is current to also have the mode that Cavity structural member is made using mechanical mold system, realize machinery
Change and make hollow floor into pole；Solve filling weight, production, transport and obturator globality broken
The problem of damage；The technology solve the displacement that current cast-in-situ hollow building roof prior art is present, isolation, cushion block,
Obturator, cracky, matter method of double differences shortcoming are fixed with elongated reinforcing bar；While also having, manufacturing speed is fast, produce
Efficiency high, cost are low, easy construction, can prevent reinforcing bar and be absorbed in plastic foam noggin piece to bring work
Journey hidden danger.But, because plastic foam noggin piece is organic material, occur in that again organic material with it is inorganic
The binding site control accuracy of material is big, overall buoyancy increase and the hollow floor that is formed be substantially it is solid,
Because superstructure is not hollow-core construction, influence is as storage solar thermal energy and heat air delivery energy or forms ventilation duct
The defect that road and the dark smoke controlling pipeline multifunctional and building energy conservation integrated synthesis of fire-fighting are utilized.
There is a kind of cast-in-situ hollow building roof of the netted box component pore-forming of use combined type in related art
(ZL201320466241.6) the netted box component of combined type for, employing mesh shape shell substitutes existing skill
The hermetically sealed hollow cavity component of art or the solid Cavity structural member of polystyrene foam, overcome existing hollow floor is non-to take out
The defect that core pore-forming Cavity structural member is present；Reach that manufacturing speed is fast, production efficiency is high, cost is low, transport
With easy construction, light weight, it is zero damaged, unshift, exempt isolation cushion block and fixation reinforcing bar etc..But, this
The netted box component of combined type is planted in the filler as cast-in-situ hollow building roof, because member exterior housing is equal
For metal grill, penetrated into so having the concrete mortar poured by mesh in netted combination Cavity structural member,
The filling effect of component is not only reduced, the waste of concrete material is also result in construction；But also increase
Big superstructure load, causes structure potential safety hazard；In addition construction loads is still suffered from a particular application and upper
The pressure of edge of a wing concrete, it is necessary to making substantial amounts of support and the closure of port in case, supported using steel pipe
Thing needs internal a large amount of structures combination, using similar steel Web materials as port closure when, joint portion
Position needs substantial amounts of welding, and combination difficulty is larger.
Hollow floor (the application number that a kind of use steel mesh combines pore-forming with plate body is also there are in the prior art
CN201510078006.5), hollow floor pore-forming cavity structure is combined to form which employs steel mesh and thin plate
Part.But this Cavity structural member is in actual engineer applied, the blending of steel mesh and concrete is inadequate, and
And concrete gravel is penetrated into netted combination Cavity structural member easily by mesh, the filling effect of component is reduced
Really, production efficiency is reduced into.
Currently, in the prior art with a kind of closing in net, it permanently exempts to tear open in heavy construction as concrete
Extensive use is achieved in terms of template, its main composition building foundation wall, beam column surface and pre- structural member etc.
In the architectural engineering that appearance need to be covered.It is particularly suitable for use in after-pouring, subsiding crack, construction joint, different concrete
The formwork of strength grade isolation, reserved and pre-buried hole and curved surface.
There is a kind of fast easy-to-closing in net stencil (application number CN200810018439.1) in the prior art, it is only
Provide only the general structure form of fast-easy closing-up net, however, this fast-easy closing-up net be only suitable for it is large-scale
As expendable template in engineering, in order to step pouring, the specific structural features do not netted to closing up but
Restriction is made, and closing in net or non-dismantling formwork net are applied in the middle of the built-in noggin piece of cast-in-situ floor
Record.
A kind of built-in filling core of assembly type hollow floor is also there are in related art
(ZL201520453885.0), this it is built-in filling core by non-dismantling formwork net, sealed piece, support member assembling and
Into being used as a kind of building precast component of cast-in-situ hollow building roof.However, in the built-in filling core
There is the punching of proper alignment, punching is circle on the steel mesh face of the non-dismantling formwork net of use.This punching exists
Face during cast-in-place concrete construction, the blending with concrete is still not enough, and concrete gravel easily by
Circular punching is penetrated into netted combination Cavity structural member.And the built-in filling core needs group at the construction field (site)
Dress is used, and slow down the progress of engineering, reduces construction production efficiency.
In view of the various preset components of filling of the prior art have many defects above, therefore, develop a kind of
Comprehensive function feature with prior art makes the hollow floor implement the good built-in noggin piece of overall performance,
Concrete surface tension force can be made full use of, changes steel lattice shape and does not allow concrete mortar to penetrate into steel mesh,
Do not produce buoyancy, enhancing structure bearing capacity good with concrete blending, take again similarly steel mesh formed
Combine outage between two side walls of receptacle frame body, and the frame top and frame bottom of supporting steel net formation combination framework
Degree, bears the construction loads on frame top and the normal pressure of top flange concrete, realizes the industry of netted box-type member
Metaplasia production, overcomes prior art and there is a large amount of supports and the high defect of framework closure trouble, cost inside framework,
Cast-in-situ hollow building roof prior art is broken through, the technology that cast-in-situ hollow building roof technical field is badly in need of solving is had become
Problem.
The content of the invention
It is an object of the invention to provide a kind of manufacturing speed is fast, production efficiency is high, with concrete plyability it is good,
Concrete mortar can be avoided to penetrate into steel mesh, exempt isolation and fixed, raising quality, drop bottom application work are aided in into
Originally easy construction, is transported, buoyancy is not produced, design guarantee construction quality is met, is beneficial to realization and builds section
Can integration and the multi-functional netted box component utilized of superstructure.Realized using the netted box component of the closing in existing
Pour hollow floor hole creating technology, change steel lattice shape and do not allow concrete mortar to penetrate into steel mesh, do not produce buoyancy,
Defect good with concrete blending, overcoming existing hollow floor technology to exist.
Technical scheme is as follows, and a kind of special type for the built-in filling of cast-in-situ hollow building roof closes up netted
Box-shaped Cavity structural member, described special type closes up netted box-shaped Cavity structural member by extraordinary closing in net, side hush panel
Part, support member and anti-floating draw piece assemble, wherein being closed up by special type, net is equivalent to be formed with case top surface, two
The main body of the netted box-shaped Cavity structural member of special type closing in of individual case body side and bottom face, side sealing plate is sealed
The two ends of the main body of the described netted box-shaped Cavity structural member of special type closing in, support member is in extraordinary closing in net and side
Support frame is formed in the closing space that sealing plate is enclosed；It is characterized in that：Described extraordinary closing in net
Including raised V-type reinforcement and steel mesh face two parts, described V-arrangement reinforcement and steel mesh face is spaced and parallel
Arrangement, is the punching on V-arrangement reinforcement, steel mesh face with proper alignment at the two ends of the extraordinary net that closes up, often
Two dental laminas of projection, the raised direction of the punching direction phase raised with V-arrangement reinforcement are formed with individual punching
Together；Grid area on the steel mesh face shared by each punching is less than 100mm2；The width of the V-arrangement reinforcement
Spend for 4-10mm, the height difference H 1 of the top of described V-arrangement reinforcement between the bottom of described dental lamina
For 9-12mm, the height difference H 2 between the bottom of the V-arrangement reinforcement and the bottom of the dental lamina is 3-5mm；
Spacing L1 of the adjacent two V-arrangement reinforcements in steel mesh face is 30-90mm, the gap between two neighboring punching
Width L2 is that the angle α between two dental laminas in 3-6mm, described punching is 40-60 °；Described
The overall width of special type closing in net is 600-900mm.Described anti-floating draw piece include four respectively level be welded on
Fix bar at four drift angles of the netted box-shaped Cavity structural member case top surface of special type closing in, and it is fixed on fix bar
On tie member；The support member is micro- by zinc-coated wire mesh sheet, homogeneity steel plate mesh sheet, calcium silicate board with microporous with holes or plastic cement
Orifice plate or plasterboard are made.
It is preferred that, the height difference H 1 of the top of described V-arrangement reinforcement between the bottom of described dental lamina
For 12mm, spacing L1 of the adjacent two V-arrangement reinforcements in steel mesh face is 60mm, between two neighboring punching
Gap width L2 be 5.5mm, the angle [alpha] between two described dental laminas is 40-45 °, the V-arrangement
The width of reinforcement is 7mm, the difference in height between the bottom of the V-arrangement reinforcement and the bottom of the dental lamina
H2 is 3.4mm.
It is preferred that, the width of the extraordinary net that closes up is 900mm, and the quantity of the V-arrangement reinforcement is 16.
It is preferred that, plate is sealed by zinc-coated wire mesh sheet, homogeneity steel plate mesh sheet, calcium silicate board with microporous with holes in the side
Or plastic cement microwell plate or plasterboard are made.
It is preferred that, the side sealing plate is equally made up of extraordinary closing in net.
It is preferred that, it is provided with the air vent that diameter is more than 100mm on the side sealing plate.
It is preferred that, the main body of the described netted box-shaped Cavity structural member of special type closing in is converting into shape by special type closing in net
Into when rotation angle position in bottom Yu two sides of case body be provided with construction inclined-plane.
The box cavity structure of filling built in cast-in-situ hollow building roof is made present invention employs extraordinary closing in net
Part, it is good with the compound blending of concrete, concrete mortar can be avoided to penetrate into box-type member completely, and not
Buoyancy is produced, so as to improve quality, drop bottom application work supplementary costs, the convenient degree of construction and engineering is substantially increased
Effect.
Currently, closing in net of the prior art takes in terms of heavy construction is as the permanent non-dismantling formwork of concrete
Extensive use was obtained, its main composition building foundation wall, the appearance such as beam column surface and pre- structural member needs covering
Architectural engineering in.Be particularly suitable for use in after-pouring, subsiding crack, construction joint, different strength grade of concrete every
From, reserved and pre-buried hole and the formwork of curved surface.However, closing in net is not applied to completely in the prior art
Record in the middle of the built-in noggin piece of cast-in-situ floor.
The extraordinary closing in net used in the present invention, lays good needs when the noggin piece in cast-in-situ hollow building roof and pours
When building concrete, the dental lamina in punching is just embedded in concrete, forms a perfect mechanical wedge, not only
Associativity with concrete is good, and concrete mortar can also be avoided to penetrate into box structure completely during cast
In part.
In addition, in the prior art, the width that all closing ins are netted is all within 480mm, generally by thin-type heat
Dip galvanizing steel sheet is raw material, the stamped template with unidirectional stereoscopic grid being processed into.Due to using steel
Plate is raw material, using the processing mode of justifying punching press, limits the length and width for the net that closes up.Prior art
In for the net that closes up processing technology, be divided into punching and bending ligulate be raised and rush curved V-arrangement skeleton two parts,
Completed respectively by two molds.Because the maximum length for processing workpiece in the prior art is 2m, therefore design mould
Tool is that length direction is 1.5m to the maximum, and the workpiece of such 2m specifications can be divided into two work step completions.The receipts
The shaping difficulty of mouth net is essentially consisted on ligulate raised punching and bending, and the requirement that meet workpiece is just necessary
Using the progressive die, no waste mine punching.
And the extraordinary closing in net used in the present invention, the creative cold-rolled strip that employs as processing raw material,
And machining mode is improved, extraordinary closing in net of the width in the range of 600-900mm, length is produced
It can freely adjust unrestricted as needed with width, be currently to initiate in the industry.
In addition, using width to make netted box Cavity structural member for the 600-900mm extraordinary net that closes up, also have
Have the advantage that：
(1) it is former from structure design stress for large span, the building of large space, such as market, underground garage
From the point of view of reason, arrange that waffle beam is more reasonable using more than 600mm cavity；
(2) width adds the hollow rate of plate body for 600-900mm cavity, reduces the deadweight of plate body；
(3) efficiency of construction is further improved, and reduces building cost.
In summary, the netted box-shaped of special type closing in provided by the present invention for being filled built in cast-in-situ hollow building roof
Cavity structural member, machinery production speed is fast, production efficiency is high, compound blending is good, can avoid with concrete
Concrete mortar penetrates into steel mesh, transport easy construction, does not produce buoyancy, overcomes existing hollow floor technology
The defect of presence.
Brief description of the drawings：
Fig. 1 shows for the extraordinary plane for closing up net that the netted box-shaped Cavity structural member of special type closing in of the present invention is used
It is intended to；
Fig. 2 closes up for the special type of the present invention nets the main body of the equivalent netted box-shaped Cavity structural member of special type closing in formed
Schematic diagram；
Fig. 3 is the plane machining expanded schematic diagram of the netted box-shaped Cavity structural member of special type closing in of the present invention；
Fig. 4 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of first embodiment of the invention；
Fig. 5 is the top view of the netted box-shaped Cavity structural member of special type closing in of first embodiment of the invention；
Fig. 6 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of second embodiment of the invention；
Fig. 7 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of third embodiment of the invention；
Fig. 8 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of four embodiment of the invention；
Fig. 9 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of fifth embodiment of the invention；
The structure for the extraordinary net that closes up that Figure 10 is used for the netted box-shaped Cavity structural member of special type closing in of the present invention
Schematic diagram；
The special type that Figure 11 is used by the netted box-shaped Cavity structural member of special type closing in of the invention provided in Figure 10
The side view of the structural representation of closing in net；
The special type that Figure 12 is used by the netted box-shaped Cavity structural member of special type closing in of the invention provided in Figure 10
The top view of the structural representation of closing in net；
Figure 13 and Figure 14 are respectively the magnified partial view in Figure 11 and 12；
Reference in figure：1 is extraordinary closing in net, and 2 be the bottom face of the extraordinary netted box-shaped Cavity structural member that closes up,
3 be the case body side of the netted box-shaped Cavity structural member of special type closing in, and 4 be the netted box-shaped Cavity structural member of special type closing in
Case top surface, 5 be that plate is sealed in side, and 6 be support member, and 7 be the fix bar of anti-floating draw piece, and 8 be air vent,
9 be bending edges, and 10 be V-arrangement reinforcement for construction inclined-plane, 11, and 12 be punching, and 13 be dental lamina, and 14 are
Steel mesh face, 15 be strip hole, and 16 be strip bulge, and 17 be welded joint.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, technical scheme is clearly and completely described.
Fig. 1 and Fig. 2 are respectively the extraordinary closing in that the netted box-shaped Cavity structural member of special type closing in of the invention is used
The main body of the floor map of net and the netted box-shaped Cavity structural member that closed up by the equivalent special type formed of the extraordinary net that closes up
Schematic diagram, as shown in figure 1, the extraordinary closing in net 1 that the extraordinary netted box-shaped Cavity structural member component that closes up is used
Include raised V-type reinforcement 11 and the two parts of steel mesh face 14, extraordinary closing in net is cold-rolled strip as adding
Work raw material is used and is made with special purpose machinery punching press, tensioning；It is suppressed with the vertical direction of special type closing in net
The bending edges 9 of bending part need to be quantified when combining netted box-shaped Cavity structural member；It is by extraordinary closing in net as shown in Figure 2
The main body of the 1 equivalent netted box-shaped Cavity structural member of special type closing in formed, including the extraordinary netted box-shaped cavity structure that closes up
The case top surface 4 of part, two case body sides 3 and bottom face 2, case top surface 4 are made up of the head and the tail overlap joint for the net that closes up
The top surface of Cavity structural member, this structure equally also constitutes sub-surface reinforcement, and amount of lap is less than or equal to cavity
The length of component top surface.
Fig. 3 is the plane machining expanded schematic diagram of the netted box-shaped Cavity structural member of special type closing in of the present invention, special type
After the equivalent main body for foring the extraordinary netted box-shaped Cavity structural member that closes up of closing in net 1, along with two pieces of sides
Plate 5 is sealed, side sealing plate 5 seals the two of the main body of the described netted box-shaped Cavity structural member of special type closing in
End, that is, constitute the complete hexahedron structure of netted box-shaped Cavity structural member.
After the complete hexahedron structure for constituting the extraordinary netted box-shaped Cavity structural member that closes up, special type of the invention
The netted box Cavity structural member that closes up also has anti-floating draw piece, and described anti-floating draw piece includes four difference horizontal weldings
The fix bar 7 at four drift angles of the extraordinary netted box-shaped Cavity structural member case top surface that closes up is connected on, and is fixed on
Tie member in fixed pole (not shown in accompanying drawing).
Fig. 4 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of first embodiment of the invention,
Support member 6 forms support frame in the closing space that extraordinary closing in net 1 and side sealing plate 5 are enclosed；
Seal V of the periphery of plate 5 at the extraordinary edge of closing in net 1 in side in the netted box Cavity structural member of special type closing in
Combined in type reinforcement 11, while support member 6 and side sealing plate 5 are also connected and fixed, can
The displacement that plate 5 is sealed in side is secured well, side is sealed plate 5 while also support extraordinary receipts
Deformation during the netted box Cavity structural member surrounding stress of mouth；When pouring into a mould concrete, it is unlikely to seal side
Plate 5 is influenceed by concrete lateral pressure, causes side to seal plate 5 toward steel mesh intrinsic displacement.In this implementation
In mode, side sealing plate 5 is equally made up of extraordinary closing in net, and the support member of support member 6 is by zinc-plated
Steel fabric sheet, homogeneity steel plate mesh sheet, calcium silicate board with microporous with holes or plastic cement microwell plate or plasterboard are made.
Fig. 5 closes up the top view of netted box-shaped Cavity structural member for the special type of first embodiment of the invention, in figure
It can be seen that employing two formation support frames of support member 6 in the embodiment.In practical engineering application,
The quantity of support member can be flexibly set according to live execution conditions and specific needs.Also only table in the figure
The punching projection of the proper alignment on the V-type reinforcement 11 on extraordinary closing in net 1, steel mesh face 14 is shown,
Do not indicated in figure.
Fig. 6 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of second embodiment of the invention；
As shown in fig. 6, side sealing plate 5 and support member 6 by zinc-coated wire mesh sheet, homogeneity steel plate mesh sheet,
Calcium silicate board with microporous or plastic cement microwell plate or plasterboard with holes are made.6 two sides of support member respectively with netted box cavity
The interior empty top surface of component, basal surface inner side are engaged, and the two ends of support member 6 connect with side sealing plate 5
Close, in order to prevent support member 6 from toppling over, in several prefabricated strip bulges of the two ends of supporting plate 6, in side
The prefabricated equal number of strip hole 15 in relevant position in plate 5 is sealed, strip hole width is more than thickness of slab,
Facilitate in the prefabricated raised 16 partial insertion strip hole of supporting plate two ends, it is thin that side sealing plate 5 is used
Plate can play a supporting role, and be the effect for playing closure Cavity structural member again.
Fig. 7 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of third embodiment of the invention,
In the present embodiment, sealing plate 5 in side is made up of extraordinary closing in net, and the support member 6 is by galvanized steel
Silk netting is made.Sealed in side and the air vent 8 that diameter is more than 100mm is provided with plate 5.In assembling processing
During, closing in net head and the tail overlapping part is in Cavity structural member top surface, and amount of lap is less than Cavity structural member top table
The surface area in face, after support member 6 and side sealing plate 5 are in place, by the V of extraordinary closing in net 1
Shape reinforcement head and the tail overlapping position is fixed or welded at welded joint 17.
Fig. 8 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of four embodiment of the invention；
As shown in figure 8, side sealing plate 5 and support member 6 by zinc-coated wire mesh sheet, homogeneity steel plate mesh sheet,
Calcium silicate board with microporous or plastic cement microwell plate or plasterboard with holes are made.6 two sides of support member respectively with netted box cavity
The interior empty top surface of component, basal surface inner side are engaged, and the two ends of support member 6 connect with side sealing plate 5
Close, in order to prevent support member 6 from toppling over, in several prefabricated strip bulges of the two ends of supporting plate 6, in side
The prefabricated equal number of strip hole 15 in relevant position in plate 5 is sealed, strip hole width is more than thickness of slab,
Facilitate in the prefabricated raised 16 partial insertion strip hole of supporting plate two ends, it is thin that side sealing plate 5 is used
Plate can play a supporting role, and be the effect for playing closure Cavity structural member again；Opened on side sealing plate 5
There is the air vent 8 that diameter is more than 100mm.
Fig. 9 is the structural representation of the netted box-shaped Cavity structural member of special type closing in of fifth embodiment of the invention,
In this embodiment, the main body of the netted box-shaped Cavity structural member of described special type closing in is by extraordinary closing in net volume
Close rotation angle position when being formed in bottom face 2 and two case body sides 3 and be provided with construction inclined-plane 10.
In all of above embodiment, if need to use hollow floor as VMC changes wind passage work(
First the centre of plate 5, which is sealed, during energy, before assembling in side bores the air vent 8 for lingering on adapter.
The structure for the extraordinary net that closes up that Figure 10 is used for the netted box-shaped Cavity structural member of special type closing in of the present invention
Schematic diagram；As illustrated, the extraordinary closing in net 1 includes continuous raised V-type reinforcement 11 and steel mesh face
14 two parts.The main source for the intensity that continuous V-type reinforcement 11 arranged in parallel is netted for extraordinary closing in.
There is the dental lamina 13 for having projection in neat punching 12, punching to have on steel mesh face 14 and strengthen steel mesh and cast
Concrete material between combination function.
The special type that the netted box-shaped Cavity structural member of special type closing in of the invention that Figure 11-14 show respectively is used
Close up the specific features netted；Grid area on the steel mesh face shared by 14 each punchings 12 is less than 100mm2；
Height difference H 1 of the top of described V-arrangement reinforcement 11 between the bottom of described dental lamina is 9-12mm,
Spacing L1 of the adjacent two V-arrangement reinforcements 11 in steel mesh face is 30-90mm, between two neighboring punching
Gap width L2 is that the angle α between 3-6mm, two described dental laminas is 40-60 °；Described special type
The overall width netted that closes up is 600-900mm；The width of the V-arrangement reinforcement is 4-10mm, the V-arrangement
Height difference H 2 between the bottom of reinforcement and the bottom of the dental lamina is 3-5mm.
In production practices, by the multiple many experiments of inventor and creative research, by described V
Difference in height of the top of shape reinforcement between the bottom of described dental lamina is set to H1 for 12mm, and adjacent two
Spacing L1 of the bar V-arrangement reinforcement in steel mesh face is 60mm, and the gap width L2 between two neighboring punching is
Angle [alpha] between 5.5mm, two described dental laminas is 40-45 °, and the width of the V-arrangement reinforcement is 7mm,
Height difference H 2 between the bottom of the V-arrangement reinforcement and the bottom of the dental lamina is 3.4mm.
It is preferred that, the width of the extraordinary net that closes up is 900mm, and the quantity of the V-arrangement reinforcement is 16.
Compression strength can be significantly increased.
Obviously, above-mentioned embodiment is only intended to clearly illustrate example, and not to embodiment
Restriction.For those of ordinary skill in the field, it can also make on the basis of the above description
Other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And
Thus among the obvious changes or variations extended out is still in protection scope of the present invention.
Claims (7)
- The netted box-shaped Cavity structural member 1. a kind of special type for the built-in filling of cast-in-situ hollow building roof closes up, it is described Special type closes up netted box-shaped Cavity structural member by extraordinary closing in net, side sealing plate, support member and anti-floating draw piece Assemble, wherein being formed by the extraordinary net that closes up is equivalent with case top surface, two case body sides and bottom face The main body of the netted box-shaped Cavity structural member of special type closing in, side sealing plate seals the described netted case of special type closing in The two ends of the main body of shape Cavity structural member, the closing that support member is enclosed in extraordinary closing in net and side sealing plate Support frame is formed in space；It is characterized in that：Described extraordinary closing in net includes raised V-type reinforcement With steel mesh face two parts, described V-arrangement reinforcement and the spaced and parallel arrangement in steel mesh face, in the extraordinary net that closes up Two ends are to be formed with projection in the punching on V-arrangement reinforcement, steel mesh face with proper alignment, each punching Two dental laminas, the raised direction of punching is identical with the direction that V-arrangement reinforcement is raised；It is each on the steel mesh face Grid area shared by punching is less than 100mm2；The width of the V-arrangement reinforcement is 4-10mm, described V Height difference H 1 of the top of shape reinforcement between the bottom of described dental lamina is 9-12mm, and the V-arrangement adds Height difference H 2 between the bottom of strengthening tendons and the bottom of the dental lamina is 3-5mm；Adjacent two V-arrangement reinforcements Spacing L1 in steel mesh face is 30-90mm, and the gap width L2 between two neighboring punching is 3-6mm, institute The angle α between two dental laminas in the punching stated is 40-60 °；The overall width of the described extraordinary net that closes up For 600-900mm.Described anti-floating draw piece include four respectively level be welded on the extraordinary netted box-shaped cavity that closes up Fix bar at four drift angles of component tank top surface, and the tie member being fixed in fix bar；The support member It is made up of zinc-coated wire mesh sheet, homogeneity steel plate mesh sheet, calcium silicate board with microporous with holes or plastic cement microwell plate or plasterboard.
- The netted case 2. a kind of special type for the built-in filling of cast-in-situ hollow building roof as claimed in claim 1 closes up Shape Cavity structural member, it is characterised in that the top of described V-arrangement reinforcement apart from the bottom of described dental lamina it Between height difference H 1 be 12mm, spacing L1 of the adjacent two V-arrangement reinforcements in steel mesh face be 60mm, phase Gap width L2 between adjacent two punchings is that the angle [alpha] between 5.5mm, two described dental laminas is 40-45 °, the width of the V-arrangement reinforcement is 7mm, bottom and the dental lamina of the V-arrangement reinforcement Height difference H 2 between bottom is 3.4mm.
- 3. a kind of extraordinary closing in net for the built-in filling of cast-in-situ hollow building roof as claimed in claim 1 or 2 Shape box-shaped Cavity structural member, it is characterised in that the width of the extraordinary net that closes up is 900mm, and the V-arrangement is strengthened The quantity of muscle is 16.
- The netted case 4. a kind of special type for the built-in filling of cast-in-situ hollow building roof as claimed in claim 1 closes up Shape Cavity structural member, it is characterised in that side sealing plate by zinc-coated wire mesh sheet, homogeneity steel plate mesh sheet, Calcium silicate board with microporous or plastic cement microwell plate or plasterboard with holes are made.
- The netted case 5. a kind of special type for the built-in filling of cast-in-situ hollow building roof as claimed in claim 1 closes up Shape Cavity structural member, it is characterised in that the side sealing plate is equally made up of extraordinary closing in net.
- 6. a kind of extraordinary closing in net for being filled built in cast-in-situ hollow building roof as described in claim 4 or 5 Shape box-shaped Cavity structural member, it is characterised in that be provided with diameter on the side sealing plate logical more than 100mm Air holes.
- The netted case 7. a kind of special type for the built-in filling of cast-in-situ hollow building roof as claimed in claim 1 closes up Shape Cavity structural member, it is characterised in that the main body of the described netted box component of special type closing in is by special type closing in The rotation angle position that net converts into when being formed in bottom face and two case body sides is provided with construction inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123990.7A CN107165320A (en) | 2016-03-07 | 2016-03-07 | A kind of netted box-shaped Cavity structural member of special type closing in for the built-in filling of cast-in-situ hollow building roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123990.7A CN107165320A (en) | 2016-03-07 | 2016-03-07 | A kind of netted box-shaped Cavity structural member of special type closing in for the built-in filling of cast-in-situ hollow building roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107165320A true CN107165320A (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123990.7A Pending CN107165320A (en) | 2016-03-07 | 2016-03-07 | A kind of netted box-shaped Cavity structural member of special type closing in for the built-in filling of cast-in-situ hollow building roof |
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| Country | Link |
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| CN (1) | CN107165320A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112360030A (en) * | 2020-12-08 | 2021-02-12 | 宝冶(郑州)建筑工程有限公司 | Hollow box body device for super-thick hollow floor slab and manufacturing method thereof |
| CN113073793A (en) * | 2021-03-18 | 2021-07-06 | 深圳市德诚建筑工程有限公司 | Roof waterproof heat-preservation and heat-insulation integrated structure |
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| WO2005108701A1 (en) * | 2004-05-11 | 2005-11-17 | The Australian Steel Company (Operations) Pty Ltd | Cavity former |
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| CN112360030A (en) * | 2020-12-08 | 2021-02-12 | 宝冶(郑州)建筑工程有限公司 | Hollow box body device for super-thick hollow floor slab and manufacturing method thereof |
| CN113073793A (en) * | 2021-03-18 | 2021-07-06 | 深圳市德诚建筑工程有限公司 | Roof waterproof heat-preservation and heat-insulation integrated structure |
| CN113073793B (en) * | 2021-03-18 | 2022-08-05 | 深圳市德诚建筑工程有限公司 | Roof waterproof heat-preservation and heat-insulation integrated structure |
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