CN104314217B - Novel steel-concrete combined cast-in-situ hollow floor - Google Patents
Novel steel-concrete combined cast-in-situ hollow floor Download PDFInfo
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- CN104314217B CN104314217B CN201310331724.XA CN201310331724A CN104314217B CN 104314217 B CN104314217 B CN 104314217B CN 201310331724 A CN201310331724 A CN 201310331724A CN 104314217 B CN104314217 B CN 104314217B
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Abstract
The invention provides a novel steel-concrete combined cast-in-situ hollow floor. The novel steel-concrete combined cast-in-situ hollow floor consists of a sectional steel column, a sectional steel main beam, a concrete ribbed beam, an upper flange plate, a lower flange plate and a netlike box-shaped component, wherein the lower end of the sectional steel main beam adopts a special steel mould; the netlike box-shaped component is formed by combining a box roof, a box bottom and a box body; the box roof is manufactured from concrete mortar and a reinforcing material under the action of a mould or is formed by compounding the netlike bodies and an adhesive; the box bottom is manufactured from the netlike body; the box body is manufactured from the netlike body; the reinforcing ribs of the netlike bodies are required to be vertically arranged; each netlike body comprises a netlike board, reinforcing ribs and connecting sheets; the netlike board, the reinforcing ribs and the connecting sheets form an entirety; at least two structural inclined planes are arranged at corners of the box bottom and the box body; the netlike body of the box bottom of the netlike box-shaped component is directly compounded in the lower flange plate. By virtue of surface tension of concrete, the unsealed netlike box-shaped component replaces a fully-sealed hollow filling body and a solid filling body as a hole forming technology of the steel-concrete combined cast-in-situ hollow floor.
Description
Technical field
The present invention relates to a kind of steel-mixed combination cast-in-situ hollow building roof is and in particular to a kind of new with netted box component pore-forming
Shaped steel-mixed combination cast-in-situ hollow building roof.
Background technology
Building construction at present substantially adopts cast-in-situ steel reinforced concrete frame structure, shear wall structure, Frame-Shear Wall knot
The structural system such as structure and tube structure；Steel construction and steel reinforced concrete structure system developed in the last few years, and concrete scheme is to use shaped steel
Do skeleton, substitute part distributing bar and superstructure template with profiled sheet, this effect is than reinforced concrete structure good toughness and carrying
Power is strong.But profiled sheet is necessarily mounted at the top flange upper end of section steel beam, distributing bar is constrained by shape steel web, also only
The top flange plate upper end of shaped steel can be arranged in, the place that shape steel web and flange plate expose need to apply fireproof coating protection.
The patent of CN1310276A discloses laying profiled sheet on shaped steel, then makes on profiled sheet again
Hollow building cover, this composite floor system weight capacity is strong.But the sky in " I shape " stress section is done again in steel main beam top flange upper end
Heart superstructure, increased the gross thickness of superstructure, increased cost again, and the fire prevention of steel construction, antirust and deadweight end are properly settled.
Applicants have invented a kind of cast-in-situ section steel concrete cavity building roof (ZL200820126232.1) is it is achieved that formed steel construction
With reinforced concrete combination hollow building cover；Steel construction and reinforced concrete structure are effectively combined into hollow building cover, solve existing
Formed steel construction exist fire prevention, get rusty, sound insulation, maintenance, the problem of shearing resistance.But steel construction is generally used for skyscraper, pore-forming
Using the inorganic hollow obturator of matter weight, the deadweight of relative increase skyscraper, it is unfavorable for antidetonation, floated with sealing hollow filling body pore-forming
Power is big.
Therefore, develop a kind of light weight, be conducive to fire prevention, antirust, do not produce buoyancy；With packing less netted box component
Substitute existing hermetically sealed hollow filling body hole creating technology, have become as the urgent need of steel-mixed combination cast-in-situ hollow building roof technical field innovation.
Content of the invention
It is an object of the invention to provide a kind of packing less netted box component substitutes existing hermetically sealed hollow filling body becoming
Hole technology, with netted box component as the new hole creating technology of steel-mixed combination cast-in-situ hollow building roof, overcomes existing steel-mixed combination cast-in-place
The defect that hollow building cover hole creating technology exists.
Technical scheme is as follows, a kind of Novel steel-mixed combination cast-in-situ hollow building roof, including steel column, steel main beam,
Concrete girt strip, top flange plate, bottom wing listrium and netted box component composition.It is characterized in that described steel main beam lower end is using specially
Use punching block.Described netted box component is combined by case top, bottom and case body；Described case top is by concrete mortar and enhancement material
Material makes in the presence of mould or reticulate body is composited with binding.Described bottom is made by reticulate body；Described case body by
Reticulate body makes, and the reinforcement of reticulate body must vertically be placed；Described reticulate body comprises reticular lamina and reinforcement and connection sheet, described netted
Plate and reinforcement and connection sheet form an entirety.Described bottom constructs inclined-planes with the rotation angle position at least two of case body.Institute
In the bottom wing listrium stated, direct combination has the reticulate body of netted box component bottom.
It is more highly preferred to, described particular manufacturing craft is the movable particular manufacturing craft of steel main beam lower end, using two pieces of L-types
Steel plate forms U-shaped punching block, and for improving U-shaped punching block range, movable snapping taken by two blocks of L-type steel plates.
Be more highly preferred to, setting hole in described case top, discontinuous isolating bar or arc block are raised, construction inclined-plane,
Case top edge has liner muscle and limit for height to control side；There is the reinforcing rib with void shape inside described hole edge.Described discontinuous every
It is arranged on the prefabricated plate surface of function from bar or arc block projection.Height H1≤the 100mm on described construction inclined-plane, length L≤
150mm.
It is more highly preferred to, described case top grid is compounded with cement mortar or foamed glue or sheet material, described cement mortar is close
The grid on the grid on real case top or the not exclusively closely knit case top of foamed glue expansion or sheet material and case top grid protocol barrier composite bed.
It is more highly preferred to, in the described netted volume mesh of netted box component medial surface, have concrete mortar to pile up.
It is more highly preferred to, the side mesh body of described case body is compounded with a small amount of foamed glue, described foamed glue cannot expand completely
The grid of closely knit case body side mesh body entirely.
It is more highly preferred to, the sheet metal thickness P of the reticular lamina of described reticulate body and reinforcement and connection sheet<1mm.Described
At least provided with two diameter D >=100mm intercommunicating pores in case body reticulate body.Reserved special reinforcing bar aperture in described girder web plate
With ajutage macropore.
It is more highly preferred to, described netted box component case top adopts composite plate, bottom and case body to adopt reticulate body.
It is more highly preferred to, described bottom reticulate body is combined with armored concrete, formed under steel-mixed combination cast-in-situ hollow building roof
Flange plate.Described steel-mixed combination cast-in-situ hollow building roof bottom wing listrium is furnished with steel bar stress.
It is more highly preferred to, described bottom reticulate body and the concrete penetrating into are combined, directly form steel-cast-in-place sky of mixed combination
The thin base plate in lower flange of heart superstructure, containing netted box component bottom in described steel-thin base plate in mixed combination cast-in-situ hollow building roof lower flange
Reticulate body.Steel bar stress do not joined by described steel-mixed combination cast-in-situ hollow building roof bottom wing listrium.
A kind of Novel steel of the present invention-mixed combination cast-in-situ hollow building roof, netted box component utilizes special mechanical equipment and mould
Tool, concrete mortar and reinforced materials are made composite plate in the presence of mould, recycle special net making machine tool to make and comprise net
Shape plate and the reticulate body of reinforcement and connection sheet, reticulate body are made the liner muscle at composite plate edge for the molding rear enclosure and limit for height control side
Angle position.Composite plate can also bond foamed glue on reticulate body, after foamed glue expands, the grid of closely knit reticulate body, and form composite plate
Case top；Because case top is that plane is placed, the tension force of concrete is less than concrete penetration, and concrete mortar can leak from grid, therefore to net
The grid seal approach of different modes is taken on shape body case top, when netted box component case top margin length is more than 600mm, in composite plate
Setting hole, the reinforcing rib outer rim of its hole edge is installed case top and is connected the hollow body supporting with bottom middle part.Due to reticulate body
Effect, netted box component assumes net slice, is in a packing less state, in steel-mixed combination cast-in-situ hollow building roof cast-in-site
When, because when netted box component blow-by stops concrete, buoyancy is disappeared.In order to reach steel-mixed combination cast-in-situ hollow building roof top
Plate cast is closely knit smooth, is composite plate using netted box component case top, and bottom and case body reticulate body are arranged not taking any anti-floating
Apply with the flow-control measure of concrete injection under, because of reticulate body bottom blow-by air, concrete flowability strengthens, at one stroke by steel-
The concrete cast of mixed combination cast-in-situ hollow building roof lower flange is closely knit, and after form removal, hollow building cover top board is smooth；Reticulate body bottom and concrete
Organically it is combined, strengthen hollow building cover top board surface quality and solidness；Simultaneously also should be by the rotation angle position of reticulate body case body and bottom
Form construction inclined-plane, strengthen the mobility of lower concrete.The netted case body blow-by of netted box component, by girt strip and top flange
In plate, the remaining mixing water of concrete oozes out, and improves label and the intensity of girt strip and top flange plate concrete.Remaining mixing water oozes out
Decrease the bubble producing during the concrete initial set aquation reflection of top flange afterwards to emerge, improve top flange plate degree of compaction and intensity.On a small quantity
Remaining mixing water with mortar oozes to lower flange, mortar and netted bottom complex superposition, further increases lower flange rigidity.By even
Connect in case top and the support hollow body of bottom, after the concrete coagulation of compound plate holes injection, the support of lower flange in formation, reduces
Top flange plate unit area pressurized, improve flush shear force, lower flange formed and supports, correlate up and down, force balance.The structure of composite plate
Deflecting surface, changes the defect of flat board stress to component itself, after cast-in-place concrete, by construction bevel altitude and the concrete shared by gradient
It is superimposed with girt strip, increased the unit area of girt strip, improve girt strip surrender rigidity.Composite plate arranges discontinuous isolating bar or arc block is convex
Rise, the distributing bar for top flange puts isolation, make distributing bar produce bond stress；Raised with discontinuous isolating bar or arc block, make construction
Reinforcing bar is placed directly on the discontinuous isolating bar of composite plate, exempts isolation cushion block and elongated fixing reinforcing bar.Isolating bar discontinuity is arranged, main
When bottom to be prevented is also adopted by this plate, hinder concrete in the flowing of bottom.The steel that the present invention is formed-mixed combination cast-in-situ hollow building roof,
In construction, also at the natural axis position of steel main beam and concrete girt strip, short tube can be installed, short tube is by steel main beam and concrete girt strip adjacent two
The netted box component connection on side, forms closed conduit using the netted box component being connected in hollow building cover, as heat air delivery energy
Heating and the fire-fighting dark air channel of smoke controlling, connection short tube diameter D >=100mm pre-buried in beam, connection stub length is more than shaped steel master
Beam and the width of concrete girt strip, install elongated cable type heating element in short tube or on construction inclined-plane, supplement heat energy.In netted box component
Concrete mortar is had to pile up in the netted volume mesh of side, wind speed produces air-supply noise when air-supply, because concrete mortar has been piled up
Arrive the effect of sound-absorbing, each netted box component is a silencing case.Steel main beam adopts " i shaped steel ", steel-mixed combination
The formwork of hollow floor structure is that pole is placed on template activity formula Contraband steel, and Contraband steel is put superstructure template.Girder web plate have reserved
Hole, the upper reinforcement of concrete girt strip is placed on " i shaped steel " girder top flange upper end, and lower rebar preformed hole from girder web plate pierces
Cross, girt strip intersects to form the grid laying netted box component in length and breadth；The particular manufacturing craft of steel main beam lower end, using two pieces of L-type steels
Plate forms, and the lower end of two pieces of L-type steel moulds takes the movable snapping of laminated form respectively.Reserved through above-mentioned process and pipeline
After pre-buried, pour into a mould concrete, maintain, tear open after superstructure bottom touches, realize the present invention and obtain steel-mixed combination with netted box component pore-forming now
Pour hollow building cover.
Brief description
Fig. 1 is the netted box component A section of structure of first embodiment of the invention；
Fig. 2-1 is the netted box component A split plane graph of second embodiment of the invention；
Fig. 2-2 is the netted box component A combination elevation of second embodiment of the invention；
Fig. 3 is netted box component A many composite plate structures plane graph of the present invention；
Fig. 4 is netted box component A many composite plate structures profile of the present invention；
Fig. 5 is reticulate body figure in the netted box component A of the present invention；
Fig. 6 is the present invention netted box component A steel-mixed combined hollow building cover structure sectional view；
Fig. 7 is the present invention netted box component A " multi-functional " hollow floor structure sectional view.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the profile of the netted box component of first embodiment of the invention, as shown in figure 1, netted box component
It is made up of composite plate A1 and reticulate body A2.Wherein netted box component A comprises case top 1, bottom 2 and case body 3, case top 1
Composite plate A1 made under machine die effect using concrete mortar and reinforced materials with bottom 2, is needed according to architectural design
Will, from composite plate A1 of different shape and specification.Reticulate body A2 makes of sheet metal, and sheet metal is in the tune of special mechanical equipment
Make of lower formation reticulate body A2, reticulate body A2 comprises reticular lamina A21 and reinforcement A22 and connection sheet A23, by reticulate body A2
Connect into cartridge type reticulate body, when cartridge type reticulate body A2 is nested with liner muscle 6 at composite plate A1 edge and limit for height controls in 7 shape
On angle position, the construction of reticulate body A2 height h=netted box component A height H- case top 1 and bottom 2 composite plate A1 is oblique
Face height H1.The outer surface of composite plate A1 is prefabricated with discontinuous isolating bar, is formed and protects between partition structure reinforcing bar and composite plate A1
Sheath, meets the demand of bonding strength.As the length of side about 600mm of netted box component, should be pre- at the center of composite plate A1
Box out hole C, and the reinforcing rib outer rim on hole C side is provided with case top and is connected support member 5 with bottom middle part, and described connection support member is
Hollow body.In reticular lamina A21, the area of each grid is less than 120mm2.Reticulate body A2 is at least used for netted box component A's
Case body 3 part.
Fig. 2-1 is the netted box component A split plane graph of second embodiment of the invention.As shown in Fig. 2-1, case top 1
Composite plate A1 made under machine die effect using concrete mortar and reinforced materials, case top 1 can also be on reticulate body
Superposition binding, constitutes multiple unit tube top 1.Cut out three pieces of reticulate body A2 groups and reticulate box component, one of length L is bottom 2
Width L2 and bottom 2 and case body 3 between two construction length L5 of inclined-plane A5 and 3 two profile height L3 sums of case body,
I.e.:L=2L5 ten L2 ten 2L3；In four rotation angle positions 32 of case body 3 and construction inclined-plane A5 and bottom 2, will be netted with machinery
Reinforcement A22 in body A2 linearly flattens, and presses and form two construction inclined-planes at reinforcement A22 flattening during beneficial to corner.Will be netted
Body A2 is fabricated to the specification block of another two pieces of case bodies 3
Fig. 2-2 is the netted box component A combination elevation of second embodiment of the invention.By length L reticulate body A2 system
Make to form bottom 2 and two case body 3 sides and rotation angle position 32 corner of two construction inclined-plane A5 becomes U-shaped polyhedron；To again
Reticulate body A2 is fabricated to the specification block of two pieces of case bodies 3, and the specification block of two pieces of case bodies 3 is pacified respectively using modes such as welding, colligations
Put two ends polyhedral in U-shaped, form the square polyhedron reticular component of only one of which opening, the netted structure of square polyhedron of opening
The aperture area of part and physical dimension are more than bottom 2 area and physical dimension, transport beneficial to after suit overlapping.Composite machine will be used
The case top 1 that binding was made or be superimposed to tool is covered on the opening of square polyhedron reticular component, forms netted box component.
Fig. 3 is netted box component A many composite plates A1 structural plan figure of the present invention.The case top of netted box component
1, open small hole C at case top 1 center, hole diameter is the 2/3 of support member diameter, around hole C, have enhancing muscle 10；Case top 1
Plane is provided with and is not connected to isolating bar 9 or arc convex 9a；Case top 1 plane surrounding forms construction inclined-plane A5.
Fig. 4 is netted box component A many composite plate structures profile of the present invention.The case top 1 that composite is made is adopted
Made in the presence of mould with concrete mortar and reinforced materials；Setting hole C, discontinuous isolating bar 9 in case top 1
Or arc convex 9a, construction inclined-plane A5, edge have liner muscle 6 and limit for height to control side 7；Have with void shape inside hole edge
Enhancing muscle 10.Length L5 of the height H1 of construction inclined-plane A5 and case top 1 plane supplementary angle formation triangle≤100mm, A5
≤150mm.
Fig. 5 is reticulate body pattern card in the netted box component A of the present invention.As shown in figure 5, netted box component
Reticulate body A2, reticulate body A2 comprise reticular lamina A21 and reinforcement A22 and connection sheet A23, reticular lamina A21 and reinforcement A22
Form an entirety with connection sheet A23, in reticular lamina, grid area is less than 120mm2, reinforcement be generally " V-type ", reticulate body
The thickness of connection sheet A23 in A2 is 0.5mm.Reticulate body A2 is used for reinforcement A22 during case body 3 and should erect.
Fig. 6 is the present invention netted box component A steel-mixed combined hollow building cover structure sectional view.Steel main beam 29 and reinforcing bar
Concrete girt strip 23, top flange 24, lower flange 26, netted box component A combination steel-mixed combination cast-in-situ hollow building roof.Girder
Using shaped steel, girt strip adopts reinforced concrete structure；Lay netted box component A and girt strip and girt strip between girder and girt strip,
After cast concrete, superstructure forms " T font " stress section.When processing steel main beam, girder web plate 30 is reserved with and supplies rib
The through hole that beam lower rebar 20 is passed through, girt strip 23 upper reinforcement passes through steel main beam top flange 31 upper end and forms intersection, girt strip
23 lower rebar 20 pass through shaped steel girder web plate 30, colligation stirrup 22, constitute girt strip reinforcing bar；Girt strip and girt strip intersect composition peace in length and breadth
Put the grid of netted box component, the top flange 31 of steel main beam 29, web 30 and lower flange 33 inwall are wrapped up by concrete,
Solve the fire prevention of steel main beam, antirust problem.The particular manufacturing craft 34 of parcel steel main beam lower end, using two pieces of L-type steel plate groups
Become, the superposition joint of two pieces of L-type steel moulds takes movable snapping respectively.A die body for steel-mixed combined hollow building cover structure be by
Form with template 12 and particular manufacturing craft 34 on bar and movable Contraband steel, Contraband steel is pushed up in pole upper end, and Contraband steel is put superstructure template, girder both sides
With particular manufacturing craft 34.During cast-in-place concrete, the netted hole area due to reticulate body A2 is not above concrete surface tension force
Infiltrating area, so concrete will not leak in netted box component from the reticulated cell of reticulate body A2；The case of netted box component
The interval of bottom 2 and hollow building cover end template 12 is less than 20mm apart from H2, that is, the reinforcement A22 in case body reticulate body A2
Add H2 height stand on the basis of length L2 on hollow building cover end template, control the thickness of lower flange 26 with the H2 length lengthening
Degree.Case body 3 and bottom 2 rotation angle position form construction inclined-plane A5, are conducive to the mobility of concrete.After completing other steps,
Cast-in-place concrete, cast-in-place pouring concrete and bottom 2 reticulate body are compounded to form the lower flange 26 of hollow building cover.Lower flange 26
The thickness of thin base plate, is exactly the height of H2；As the length of side about 600mm of netted box component, answer preformed hole at case top 1 center
Hole C, bottom 2 passes through hole C without reserving hole, the concrete on case top 1, flows into bottom 2 bottom through hollow connection support member
Portion, the support column of lower flange in formation, strengthen superstructure punching resistance.Connection support member is hollow body, and the lower end of hollow body forms zigzag
35, serration depth is less than 20mm, and saw point passes through the reticulate body A2 of bottom 2 to be placed directly within hollow building cover template 12；Case body 3 and rib
Beam steel and the girt strip 23 of concrete formation hollow building cover, case top 1 forms top flange 24. net simultaneously of hollow building cover with roof steel bar 21
The netted case body of shape box component, the remaining mixing water of concrete in girt strip and top flange plate is exuded to bottom 2 from grid, improves
The label of girt strip 23 and top flange 24 concrete and intensity.Superfluous mixing water decreases top flange concrete initial set water after oozing out
Change the bubble producing during reflection to emerge, improve top flange 24 degree of compaction and intensity.Remaining mixing water with mortar oozes to lower flange
26, mortar and netted bottom complex superposition, further increase lower flange 26 rigidity.If netted box component A surface area is excessive,
Supporting member 28 is added in or beyond A.
Fig. 7 is the present invention " multi-functional " steel-mixed combined hollow building cover structure sectional view.Itself and the sectional view shown in Fig. 6
Compare, difference is that steel-mixed combination cast-in-situ hollow building roof girder 29 connects netted box-shaped structure with being provided with the natural axis of girt strip 23
The short tube of part, short tube G diameter d >=100mm.Short tube G can extend into inside reticulate body A2.The quantity of default short tube G
Press the setting of integrated multi-functional superstructure required air output with the size of straight warp；Another difference is to additionally arrange complementary energy in pre-buried short tube G
Cable type heating element 11.Yet another difference is the cable type heating element 11 of complementary energy to be placed in netted box component A be combined
On the construction inclined-plane A5 of plate A1 or case top 1；Convert solar energy into hot blast can be transported in netted box component A, by pre-buried
The required netted box component A utilizing of short tube G insertion, reach the purpose of hot blast energy circulation；Realize energy-saving heating.Hot when at dusk
Energy stacking, when temperature drop is to rated value, preset cable type heating element 11 complementary energy of turn on automatically.The direct reference picture of other parts content
6 describe understanding in detail, also just repeat no more here.
When the present invention is implemented, make multiple unit tube top and net according to the requirement specification of architectural design, serviceability high accuracy
Shape body A2 is crucial, and multiple unit tube top and reticulate body A2 make of special mechanical equipment, then itself and hollow strutting piece are combined
Become the netted box component of different size and model, a kind of making of steel of the present invention-mixed combination cast-in-situ hollow building roof can be completed.
Finally it should be noted that:Above example is only not intended to limit in order to technical scheme to be described, although
With reference to above-described embodiment, the present invention is described in detail, it should be understood by a person of ordinary skill in the art that still permissible
The specific embodiment of the present invention is modified or equivalent, and end depart from spirit and scope of the invention any modification or
Person's equivalent, it all should be covered in the middle of scope of the presently claimed invention.
Claims (10)
1. a kind of Novel steel-mixed combination cast-in-situ hollow building roof, including steel column, steel main beam, concrete girt strip, top flange plate,
Bottom wing listrium and netted box component composition it is characterised in that：Described steel main beam lower end adopts special punching block；
Described netted box component is combined by case top, bottom and case body；
Described case top is made up in the presence of mould of concrete mortar and reinforced materials or reticulate body is combined with binding
Form；
Described bottom is made by reticulate body；Described case body is made by reticulate body, and the reinforcement of reticulate body must vertically be placed；
Described reticulate body comprises reticular lamina and reinforcement and connection sheet, and described reticular lamina and reinforcement and connection sheet form an entirety；
Described bottom constructs inclined-planes with the rotation angle position at least two of case body；In described bottom wing listrium, direct combination has net
The reticulate body of shape box component bottom.
2. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that described particular manufacturing craft
It is the movable particular manufacturing craft of steel main beam lower end, forms U-shaped punching block using two blocks of L-type steel plates, use for improving U-shaped punching block
Scope, movable snapping taken by two blocks of L-type steel plates.
3. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that arranging in described case top
Hole, discontinuous isolating bar or arc block are raised, construction inclined-plane, case top edge have liner muscle and limit for height to control side；Described hole
There is the reinforcing rib with void shape inside the edge of hole；Described discontinuous isolating bar or arc block projection are arranged on the function on case top
Prefabricated plate surface；Height H1≤the 100mm on described construction inclined-plane, length L≤150mm.
4. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that on the grid of described case top
It is compounded with cement mortar or foamed glue or sheet material, the grid on described cement mortar closely knit case top or foamed glue expansion are not exclusively close
The grid on real case top or sheet material and case top grid protocol barrier composite bed.
5. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that described netted box-shaped
Concrete mortar is had to pile up in the netted volume mesh of component medial surface.
6. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that the side of described case body
A small amount of foamed glue is compounded with reticulate body, described foamed glue expands the grid of not exclusively closely knit case body side mesh body.
7. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that the net of described reticulate body
The sheet metal thickness P of shape plate and reinforcement and connection sheet<1mm；In described case body reticulate body at least provided with two diameter D >=
100mm intercommunicating pore；Special reinforcing bar aperture and ajutage macropore is reserved in described girder web plate.
8. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that described netted box-shaped structure
Part case top adopts composite plate, bottom and case body to adopt reticulate body.
9. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that described bottom is with netted
Body is combined with armored concrete, forms cast-in-situ hollow building roof bottom wing listrium；Described cast-in-situ hollow building roof bottom wing listrium is furnished with stress steel
Muscle.
10. as claimed in claim 1 a kind of Novel steel-mixed combination cast-in-situ hollow building roof it is characterised in that described bottom net
Shape body is combined with the concrete penetrating into, and directly forms the thin base plate in lower flange of cast-in-situ hollow building roof, described cast-in-situ hollow building roof bottom wing
The reticulate body of netted box component bottom is contained in the thin base plate of edge；Steel bar stress do not joined by described cast-in-situ hollow building roof bottom wing listrium.
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| CN201310331724.XA CN104314217B (en) | 2013-07-26 | 2013-07-26 | Novel steel-concrete combined cast-in-situ hollow floor |
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|---|---|---|---|
| CN201310331724.XA CN104314217B (en) | 2013-07-26 | 2013-07-26 | Novel steel-concrete combined cast-in-situ hollow floor |
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| CN104314217A CN104314217A (en) | 2015-01-28 |
| CN104314217B true CN104314217B (en) | 2017-02-08 |
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| CN101363259A (en) * | 2004-09-02 | 2009-02-11 | 邱则有 | Hollow mold for filling cast-in-situ concrete |
| CN101302783A (en) * | 2008-07-09 | 2008-11-12 | 王本淼 | Building cast-in-situ roof |
| KR20100013548A (en) * | 2008-07-31 | 2010-02-10 | 삼성중공업 주식회사 | Joint of half pc slab |
| KR100958407B1 (en) * | 2009-08-18 | 2010-05-18 | 삼성중공업 주식회사 | Hollow core slab by light weight assembly |
| CN102003010A (en) * | 2010-10-27 | 2011-04-06 | 王本淼 | Energy-saving cast-in-place hollow floor |
| CN102400513B (en) * | 2011-10-28 | 2014-06-25 | 王本淼 | Fireproof cast-in-place hollow floor system |
| CN102400510B (en) * | 2011-10-28 | 2014-06-11 | 王本淼 | Hollow floor system made of steel bar and foam combined filled member |
| CN202969669U (en) * | 2012-12-24 | 2013-06-05 | 刘青云 | Cast-in-place hollow-ribbed floor |
-
2013
- 2013-07-26 CN CN201310331724.XA patent/CN104314217B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104314217A (en) | 2015-01-28 |
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