CN106436998A - Crush-resisting anti-floating combined mandrel for hollow floor and construction method of crush-resisting anti-floating combined mandrel - Google Patents
Crush-resisting anti-floating combined mandrel for hollow floor and construction method of crush-resisting anti-floating combined mandrel Download PDFInfo
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- CN106436998A CN106436998A CN201610788356.5A CN201610788356A CN106436998A CN 106436998 A CN106436998 A CN 106436998A CN 201610788356 A CN201610788356 A CN 201610788356A CN 106436998 A CN106436998 A CN 106436998A
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- compression
- resistance
- composite core
- cylinder
- hollow building
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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
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
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- Architecture (AREA)
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention provides a crush-resisting anti-floating combined mandrel for a hollow floor. The crush-resisting anti-floating combined mandrel is composed of an upper half mandrel body and a lower half mandrel body, a cylinder I is arranged in the middle of a top plate of the upper half mandrel body and is parallel to a supporting column I, and the height of the cylinder I is larger than that of the supporting column I. An overhung side I is arranged on the end face of the supporting column I, a protrusion is arranged on the overhung side I, at least one limiting groove is formed in the outer surface of the top plate of the upper half mandrel, a cylinder II is arranged in the middle of a bottom plate of the lower half mandrel, a cylindrical groove is formed in the cylinder II, and the cylinder II is parallel to a supporting column II. The height of the cylinder II is equal to that of the supporting column, and the diameter of the cylindrical groove is larger than or equal to that of the cylinder I. An overhung side II is arranged on the end face of the supporting column II, and a hole embedded with the protrusion on the overhung side I is formed in the overhung side II. The crush-resisting anti-floating combined mandrel for the hollow floor is simple in structure, good in anti-floating and crush-resisting effect, high in stability and convenient to transport, and the production cost is reduced.
Description
Technical field
The present invention relates to hollow building cover technology, more particularly, to a kind of resistance to compression, anti-floating hollow building cover composite core formwork, further relate to
The construction method of this composite core formwork.
Background technology
The bearing structural system that superstructure is horizontally oriented, is the part of multilayer and high-story house.It undertakes flooring
Load, and deliver load to vertical structure (wall and post), load is passed down to basis and ground by vertical load-carrying members.
Each vertical load-carrying members, while transmitting load, are also connected into a unified entirety, are vertical structure component by superstructure
Horizontal support is provided, improves resistance to overturning and the integral rigidity of vertical member, so that wall column is acted synergistically, shared
Load.After the firm connection of superstructure and vertical supporting member, so that the globality of structure is significantly increased, integral rigidity increases, become
Shape reduces, and the holistic resistant behavior of structure can more fully utilize.Therefore, not only superstructure to be considered itself is for the design of superstructure
No meet structural requirement, consider the mass action to structure again, the impact to structure of the rigidity of superstructure and deformation.In building work
Journey field, armored concrete is due to low cost, sturdy and durable, thus is used in a large number.For floor system, typically by beam and
Plate collectively constitutes.Depth of beam is more much bigger than thickness of slab, and plate bottom will show beam, so that building headroom is reduced.When post net span is larger, it is
Meet rigidity requirement, deck-molding is bigger.For overcoming this defect, occur in that close rib building roof system.Under identical span, waffle beam is high
Less, good rigidity, stress is relatively good.But, the defect of close rib building roof is that construction is complicated, because waffle beam spacing is less, formwork
More complicated, time-consuming take a lot of work and consume template.For simplifying working procedure, occur in that frp mould, polypropylene plastic forms etc..But
This special formwork is promoted for medium and small engineering in a large number or inconvenience, and the formwork simultaneously scrapped also can be to environment.Closely
Over a little years, the development of cast-in-situ hollow building roof and application that packing material replaces formwork and formed have large development.Such as BDF is thin
Wall tube filler hollow building cover, WFB hollow-ribbed floor, cylindrical duct or composite core formwork pour in superstructure with concrete.But it is existing
Some composite core formwork generally there are inconvenience transport and bear the situation that pressure is uneven or bearing capacity is weak, transporting or constructing
The problem that core is crushed, deforms or ruptures, the quality of impact product occur in journey.But cylindrical duct or composite core formwork etc.
As be all using solid or hollow light material, easily float upwards in concreting process or occur to surrounding
Displacement, is so not easy to core and fixes.
In order to prevent floating or the movement of core, it is generally adopted by arranging Anti-floating reinforcing steel bar above core, or
Punch in the template of the surrounding of core, then with the upper hole that the materials such as steel wire pass through core, core be fixed on Anti-floating reinforcing steel bar,
But so operation increased labour, and the use of excessive steel wire not only causes the waste of material, is also unfavorable for constructing, impact
The quality of construction.
Content of the invention
The present invention solves the deficiencies in the prior art, there is provided a kind of structure is simple, has anti-floating, anti-pressure ability, is easy to control
The hollow building cover composite core formwork of system, additionally provides a kind of above-mentioned resistance to compression, anti-floating hollow building cover composite core formwork construction method.
A kind of resistance to compression, anti-floating hollow building cover composite core formwork it is characterised in that it is made up of upper mold section and female die, institute
State upper mold section and be made up of semiclosed casing top board, side wall I and support column I, described top board middle part is provided with one towards in casing
Convex cylinder I, parallel to described support column I, the height of described cylinder I is more than the height of described support column I to described cylinder I
Degree, is provided with toss I in described support column I away from the end face of top board, described toss I is provided with projection, described upper mold section top board
Outer surface is provided with least one stopper slot, and described female die constitutes semiclosed casing, institute by base plate, side wall II and support column II
State base plate middle part and be provided with a cylinder II towards casing convex, a cylinder is set on described cylinder II recessed
Groove, parallel to described support column II, the height of described cylinder II is equal to the height of described support column to described cylinder II, described
Cylinder shape groove with diameter greater than or be equal to described cylinder I diameter, at least 3 use are all provided with the ground of described base plate
In the base supporting this composite core formwork, it is provided with toss II in described support column II away from the end face of base plate, toss II is provided with
The hole mutually chimeric with the projection in toss I, described upper mold section and described female die pass through convex in hole in toss II and toss I
Rise and be connected, during connection, described cylinder I inserts and can form described combination core in the cylinder shape groove in described cylinder II
Mould.
Preferably, the described base for support combinations core is made up of locating piece and chassis, and described chassis is rubber
Rubber cushion.
Preferably, described upper mold section top board and the base plate of described female die are equipped with least two resistance to compression muscle.
Preferably, at least two described resistance to compression muscle become rice word centered on described cylinder I and/or cylinder II
Type.
Preferably, described top board, base plate, side wall I and side wall II are divided into two-layer, and outer layer is enhancement layer, and internal layer is resistance
Combustion layer.
Preferably, described enhancement layer is cement mortar and/or desulfurated plaster, and described flame-retardant layer is flame-retardant foam and/or wood
Matter fiber base Ultra-Light Material and/or calcium hexaluminate lightweight material.
A kind of above-mentioned resistance to compression, the construction method of anti-floating hollow building cover composite core formwork are it is characterised in that include following walking
Suddenly：
First, simultaneously specification builds formwork bracing system for design；
2nd, template is laid on formwork bracing system；
3rd, by drawing, with composite core formwork, line setting is carried out to described resistance to compression, anti-floating hollow building cover；
4th, colligation baseplate reinforcing bar (17), form and lay between told resistance to compression, the grid of anti-floating hollow building cover composite core formwork；
5th, resistance to compression, anti-floating hollow building cover composite core formwork are sequentially placed into the grid being formed after base plate steel bar binding interior,
Base (14) on described resistance to compression, anti-floating hollow building cover composite core formwork female die is fixedly connected on the bottom of by by connector (19)
On slab muscle (17)；
6th, lay Anti-floating reinforcing steel bar (18) in resistance to compression, the stopper slot of anti-floating hollow building cover composite core formwork upper mold section；
7th, casting concrete, concrete curing, form removal.
Preferably, the connector in described step (5) is steel wire and/or iron wire.
Preferably, in described step (7), the speed of casting concrete is 0.2m/h～0.3m/h.
Compared with prior art, the having the beneficial effect that of technical scheme：
1st, a kind of resistance to compression of the present invention, anti-floating hollow building cover composite core formwork facilitate production and transportation, and two pieces of half modules can synthesize
One complete core, can save the die sinking expense of aluminum alloy mould；Between two pieces of half modules, described cylinder is inserted by cylinder I
In cylinder shape groove in body II, easy for installation, and overall steadiness is strong.
2nd, the base plate of a kind of resistance to compression of the present invention, the upper mold section top board of anti-floating hollow building cover composite core formwork and female die, side
The outer layer of wall I and side wall II is provided with cement mortar and/or desulfurated plaster enhancement layer, to strengthen intensity and the rigidity of core.
3rd, on the base plate of the upper and lower half module of upper mold section top board of a kind of resistance to compression of the present invention, anti-floating hollow building cover composite core formwork
It is equipped with resistance to compression muscle, to strengthen the anti-pressure ability of core.
4th, a kind of resistance to compression of the present invention, the lower half baffle plate of anti-floating hollow building cover composite core formwork are provided with base, the bottom of by
Seat directly rests in template, without using extra positioning and resisting flotation material, reduces construction cost.
5th, a kind of resistance to compression of the present invention, the construction method of anti-floating hollow building cover composite core formwork, by connector by under core
Base on half module is fixedly connected on baseplate reinforcing bar, and the chassis of base is rubber blanket, can effectively prevent core from pouring coagulation
To moving around when native, simple to operate, reduce further construction cost.
Brief description
Below in conjunction with the accompanying drawings and embodiment the present invention is further detailed explanation：
Fig. 1 is the positive structure schematic of the upper mold section of the present invention.
Fig. 2 is the structure schematic diagram of the upper mold section of the present invention.
Fig. 3 is the positive structure schematic of the female die of the present invention.
Fig. 4 is the structure schematic diagram of the female die of the present invention.
The structural representation of the base in the present invention of Fig. 5 position.
Fig. 6 be the present invention upper mold section be connected with female die after structural representation.
Fig. 7 is the profile of the present invention.
Fig. 8 is the construction schematic diagram of the core of the present invention.
Reference：
1st, top board；2nd, side wall I；3rd, support column I；4th, cylinder I；5th, toss I；6th, raised；7th, stopper slot；8th, resistance to compression muscle；
9th, base plate；10th, side wall II；11st, support column II；12nd, cylinder II；13rd, cylinder shape groove；14th, toss II；15th, hole；16th, bottom
Seat；161st, locating piece；162nd, chassis；17th, baseplate reinforcing bar；18th, Anti-floating reinforcing steel bar；19th, connector.
Specific embodiment
In order that technical problem solved by the invention, the technical scheme being adopted and the technique effect that reached are more
Clear, with reference to embodiments only in order to explain the present invention, it is not intended to limit the present invention.
Embodiment 1
As shown in Figures 1 to 7, a kind of resistance to compression of present invention offer, anti-floating hollow building cover composite core formwork, it is by upper mold section
Form with female die, described upper mold section is made up of semiclosed casing, described top board 1 pars intermedia top board 1, side wall I 2 and support column I 3
Position be provided with a cylinder I 4 towards casing convex, described cylinder I 4 parallel to described support column I 3, described cylinder I 4
Highly it is more than the height of described support column I 3, be provided with toss I 5, described toss I 5 in described support column I 3 away from the end face of top board 1
It is provided with raised 6, the outer surface of described upper mold section top board 1 is provided with a stopper slot 7, stopper slot is used for installing Anti-floating reinforcing steel bar,
Described female die is made up of semiclosed casing base plate 9, side wall II 10 and support column II 11, and described base plate 9 middle part is provided with
One cylinder II 12 towards casing convex, sets a cylinder shape groove 13, described cylinder on described cylinder II 12
II 12 parallel to described support column II 11, and the height of described cylinder II 12 is equal to the height of described support column II 11, described circle
The diameter with diameter greater than described cylinder I 4 of cylindrical groove 13, is all provided with 3 on the bottom surface of described base plate 9 and is used for supporting this
The base 16 of composite core formwork, this 3 be used for supporting the base 16 of this composite core formwork on base plate be wired to equilateral triangle.And
Base (16) is made up of locating piece 161 and chassis 162, and base 16 is easy to combination box is shelved in template, described chassis
162 is rubber blanket, increased the frictional force between composite core formwork and template so as to be difficult to moving around.
In the present embodiment, it is provided with toss II 14 in described support column II 11 away from the end face of base plate 9, toss II 14 sets
There is a hole 15 mutually chimeric with the projection in toss I 5, described upper mold section and described female die pass through hole 15 in toss II 14 and choose
Projection (6) on side I 5 is connected, and during connection, described cylinder I 4 inserts in the cylinder shape groove 13 in described cylinder II 12
Described composite core formwork can be formed.
In the present embodiment, the base plate 9 with described female die for the described upper mold section top board 1 is equipped with two resistance to compression muscle 8,
This two resistance to compression muscle 8 become rice font by described cylinder I (4) centered on cylinder II (12), so can increase this combination
The bearing capacity of core.
In the present embodiment, top board 1, base plate 9, side wall I 2 and side wall II 10 are divided into two-layer, and outer layer is enhancement layer, and internal layer is
Flame-retardant layer；Wherein enhancement layer is cement mortar, can strengthen the bearing capacity of composite core formwork, and flame-retardant layer is flame-retardant foam and wooden fibre
Wiki Ultra-Light Material, can play anti-flaming effect well.
A kind of above-mentioned resistance to compression, the construction method of anti-floating hollow building cover composite core formwork comprise the concrete steps that one, design specification
Build formwork bracing system；2nd, template is laid on formwork bracing system；3rd, press drawing to described resistance to compression, the hollow building of anti-floating
Lid carries out line setting with composite core formwork；4th, colligation baseplate reinforcing bar (17), form and lay told resistance to compression, anti-floating hollow building cover is used
Between the grid of composite core formwork；5th, resistance to compression, anti-floating hollow building cover composite core formwork are sequentially placed into formation after base plate steel bar binding
Grid is interior, will be solid with the base (14) on composite core formwork female die to described resistance to compression, anti-floating hollow building cover by connector (19)
Surely it is connected on baseplate reinforcing bar (17)；6th, lay in resistance to compression, the stopper slot of anti-floating hollow building cover composite core formwork upper mold section anti-
Floating reinforcing bar (18)；7th, casting concrete, concrete curing, form removal.The connector (19) of the use wherein in step 5 is
Steel wire is bent into, in step 7, the speed of casting concrete is 0.2m/h.
Embodiment 2
As shown in Figures 1 to 7, a kind of resistance to compression of present invention offer, anti-floating hollow building cover composite core formwork, it is by upper mold section
Form with female die, described upper mold section is made up of semiclosed casing, described top board 1 pars intermedia top board 1, side wall I 2 and support column I 3
Position be provided with a cylinder I 4 towards casing convex, described cylinder I 4 parallel to described support column I 3, described cylinder I 4
Highly it is more than the height of described support column I 3, be provided with toss I 5, described toss I 5 in described support column I 3 away from the end face of top board 1
Be provided with raised 6, parallel on the outer surface of described upper mold section top board 1 be provided with two stopper slots 7, stopper slot is used for installing anti-floating
Reinforcing bar, described female die is made up of semiclosed casing base plate 9, side wall II 10 and support column II 11, and described base plate 9 middle part sets
It is equipped with a cylinder II 12 towards casing convex, a cylinder shape groove 13, described circle are set on described cylinder II 12
Parallel to described support column II 11, the height of described cylinder II 12 is more than the height of described support column II 11, institute to cylinder II 12
State the diameter with diameter greater than described cylinder I 4 of cylinder shape groove 13, the bottom surface of described base plate 9 is all provided with 4 for
Support the base 16 of this composite core formwork, this 4 be used for support this composite core formwork base 16 be distributed in base plate four angles position.
And base (16) is made up of locating piece 161 and chassis 162, base 16 is easy to combination box is shelved in template, described bottom
Disk 162 is rubber blanket, increased the frictional force between composite core formwork and template so as to be difficult to moving around.
In the present embodiment, described support column II 11 is provided with toss II 14 away from the end face of base plate 9, is provided with toss II 14
The hole 15 mutually chimeric with the projection in toss I 5, described upper mold section passes through the hole 15 in toss II 14 and toss with described female die
Projection 6 on I 5 is connected, and during connection, described cylinder I 4 inserts in the cylinder shape groove 13 in described cylinder II 12
Form described composite core formwork.
In the present embodiment, the base plate 9 with described female die for the described upper mold section top board 1 is equipped with three resistance to compression muscle 8,
These three resistance to compression muscle 8 become rice font by described cylinder I (4) centered on cylinder II (12), so can increase this combination
The bearing capacity of core.
In the present embodiment, top board 1, base plate 9, side wall I 2 and side wall II 10 are divided into two-layer, and outer layer is enhancement layer, and internal layer is
Flame-retardant layer；Wherein enhancement layer is cement mortar, can strengthen the bearing capacity of composite core formwork, and flame-retardant layer is flame-retardant foam and wooden fibre
Wiki Ultra-Light Material, can play anti-flaming effect well.
A kind of above-mentioned resistance to compression, the construction method of anti-floating hollow building cover composite core formwork comprise the concrete steps that one, design specification
Build formwork bracing system；2nd, template is laid on formwork bracing system；3rd, press drawing to described resistance to compression, the hollow building of anti-floating
Lid carries out line setting with composite core formwork；4th, colligation baseplate reinforcing bar (17), form and lay told resistance to compression, anti-floating hollow building cover is used
Between the grid of composite core formwork；5th, resistance to compression, anti-floating hollow building cover composite core formwork are sequentially placed into formation after base plate steel bar binding
Grid is interior, will be solid with the base (14) on composite core formwork female die to described resistance to compression, anti-floating hollow building cover by connector (19)
Surely it is connected on baseplate reinforcing bar (17)；6th, lay in resistance to compression, the stopper slot of anti-floating hollow building cover composite core formwork upper mold section anti-
Floating reinforcing bar (18)；7th, casting concrete, concrete curing, form removal.The connector (19) of the use wherein in step 5 is
Iron wire is bent into, in step 7, the speed of casting concrete is 0.25m/h.
Claims (9)
1. a kind of resistance to compression, anti-floating hollow building cover composite core formwork are it is characterised in that it is made up of upper mold section and female die, described
Upper mold section is made up of semiclosed casing top board (1), side wall I (2) and support column I (3), and described top board (1) middle part is provided with one
The individual cylinder I (4) towards casing convex, described cylinder I (4) parallel to described support column I (3), described cylinder I (4)
Highly it is more than the height of described support column I (3), be provided with toss I (5), institute in described support column I (3) away from the end face of top board (1)
State toss I (5) and be provided with raised (6), the outer surface of described upper mold section top board (1) is provided with least one stopper slot (7), described
Female die is made up of semiclosed casing base plate (9), side wall II (10) and support column II (11), and described base plate (9) middle part sets
It is equipped with a cylinder II (12) towards casing convex, a cylinder shape groove (13) is set on described cylinder II (12),
Described cylinder II (12) is equal to described support column II parallel to described support column II (11), the height of described cylinder II (12)
(11) height, described cylinder shape groove (13) with diameter greater than or be equal to described cylinder I (4) diameter, at described bottom
It is all provided with least 3 for supporting the bases (16) of this composite core formwork, in described support column II (11) bottom of away from the bottom surface of plate (9)
The end face of plate (9) is provided with toss II (14), is provided with the hole (15) mutually chimeric with the projection in toss I (5) in toss II (14),
Described upper mold section is passed through the hole (15) in toss II (14) with described female die and is connected with the projection (6) in toss I (5), even
When connecing, described cylinder I (4) inserts in the cylinder shape groove (13) in described cylinder II (12) and can form described combination core
Mould.
2. resistance to compression as claimed in claim 1, anti-floating hollow building cover composite core formwork it is characterised in that described for supporting
The base (16) of composite core formwork is made up of locating piece (161) and chassis (162), and described chassis (162) is rubber blanket.
3. resistance to compression as claimed in claim 1, anti-floating hollow building cover composite core formwork are it is characterised in that described upper mold section top
It is equipped with least two resistance to compression muscle (8) on plate (1) and the base plate (9) of described female die.
4. resistance to compression as claimed in claim 3, anti-floating hollow building cover composite core formwork are it is characterised in that described at least two
Resistance to compression muscle (8) becomes rice font centered on described cylinder I (4) and/or cylinder II (12).
5. if the arbitrarily described resistance to compression of claim 1-4, anti-floating hollow building cover composite core formwork are it is characterised in that described top
Plate (1), base plate (9), side wall I (2) and side wall II (10) are divided into two-layer, and outer layer is enhancement layer, and internal layer is flame-retardant layer.
6. resistance to compression as claimed in claim 5, anti-floating hollow building cover composite core formwork are it is characterised in that described enhancement layer is water
Cement mortar and/or desulfurated plaster, described flame-retardant layer is flame-retardant foam and/or wood fibre base Ultra-Light Material and/or six aluminic acids
Calcium light material.
7. the construction method of the resistance to compression described in a kind of claim 1, anti-floating hollow building cover composite core formwork is it is characterised in that wrap
Include following steps：
First, simultaneously specification builds formwork bracing system for design；
2nd, template is laid on formwork bracing system；
3rd, by drawing, with composite core formwork, line setting is carried out to described resistance to compression, anti-floating hollow building cover；
4th, colligation baseplate reinforcing bar (17), form and lay between told resistance to compression, the grid of anti-floating hollow building cover composite core formwork；
5th, resistance to compression, anti-floating hollow building cover composite core formwork are sequentially placed into the grid being formed after base plate steel bar binding interior, pass through
Base (14) on described resistance to compression, anti-floating hollow building cover composite core formwork female die is fixedly connected on Bottom Board Steel by connector (19)
On muscle (17)；
6th, lay Anti-floating reinforcing steel bar (18) in resistance to compression, the stopper slot of anti-floating hollow building cover composite core formwork upper mold section；
7th, casting concrete, concrete curing, form removal.
8. resistance to compression as claimed in claim 7, anti-floating hollow building cover with composite core formwork construction method it is characterised in that described step
Connector (19) in rapid five is steel wire and/or iron wire.
9. resistance to compression as claimed in claim 7, anti-floating hollow building cover with composite core formwork construction method it is characterised in that described step
In rapid seven, the speed of casting concrete is 0.2m/h～0.3m/h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788356.5A CN106436998A (en) | 2016-08-31 | 2016-08-31 | Crush-resisting anti-floating combined mandrel for hollow floor and construction method of crush-resisting anti-floating combined mandrel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788356.5A CN106436998A (en) | 2016-08-31 | 2016-08-31 | Crush-resisting anti-floating combined mandrel for hollow floor and construction method of crush-resisting anti-floating combined mandrel |
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| CN106436998A true CN106436998A (en) | 2017-02-22 |
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| CN109025020A (en) * | 2018-07-02 | 2018-12-18 | 谈拥军 | A kind of cast-in-situ hollow building roof composite core formwork convenient for assembling |
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| CN110439162A (en) * | 2019-08-27 | 2019-11-12 | 中冶建工集团有限公司 | The construction technology of cast-in-situ hollow building roof |
| CN110593475A (en) * | 2019-06-12 | 2019-12-20 | 湖南弘久建材科技有限公司 | Anti-floating metal combined core mold for hollow floor |
| CN113323490A (en) * | 2021-06-11 | 2021-08-31 | 广西宝彤花节能技术有限公司 | Compression-resistant elastic metal net cage core mould |
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