CN104314215A - Combined netlike box-shaped component for forming holes in cast-in-situ hollow floor - Google Patents
Combined netlike box-shaped component for forming holes in cast-in-situ hollow floor Download PDFInfo
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- CN104314215A CN104314215A CN201310330518.7A CN201310330518A CN104314215A CN 104314215 A CN104314215 A CN 104314215A CN 201310330518 A CN201310330518 A CN 201310330518A CN 104314215 A CN104314215 A CN 104314215A
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Abstract
The invention provides a combined netlike box-shaped component for forming holes in a cast-in-situ hollow floor. The combined netlike box-shaped component comprises a box roof, a box bottom and a box body, and consists of functional fabricated boards and netlike bodies, wherein the functional fabricated boards are manufactured from concrete mortar and a reinforcing material under the action of a mould or is compounded by superposing adhesive on the netlike bodies; 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; the area of a grid in the netlike board is smaller than 120 mm<2>; the netlike bodies are at least applied to the box body of the combined netlike box-shaped component; two structural inclined planes are arranged at corners of the box bottom and the box body. The combined netlike box-shaped component can form holes in the hollow floor; 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 existing cast-in-situ hollow floor, so that integration of building energy conservation and multifunctional utilization of the floor can be easily implemented.
Description
Technical field
The present invention relates to that a kind of cast-in-situ hollow building roof is non-takes out heart component for hole, be specifically related to a kind of for the netted box component of cast-in-situ hollow building roof pore-forming combined type.
Background technology
At present in cast-in-situ reinforced concrete hollow floor technical field, usual employing hermetic obturator component cast pore-forming hollow building cover, as ZL02282207.0 " the thin-wall box-body cast-in-place hollow slab thin-wall box body " patent that inventor declares, according to this patent be adopt inorganic coagulation material be made into the obturator of sealing to realize hollow building cover, for cast-in-situ hollow building roof realize provide the non-obturator taking out heart pore-forming.But the hollow filling body made owing to adopting pure inorganic coagulation material, sealing hollow filling body buoyancy is large, the large matter weight of cementing density of material, and production, transport and site operation are all inconvenient.
As the ZL200410082381.9 " a kind of hollow floor slab with small dense ribs " that inventor declares, hollow thin wall casing forms voided layer in floor slab with small dense ribs, solve the problem that " T " font stressed cross section superstructure top board is smooth, saving build concrete can be reached, reduce building floor height, promote superstructure soundproof effect, improve building cover structure performance, improve cracking resistance shake-proof ability, be widely used.When the stressed cross section of employing " T " font, although buoyancy reduces, save the structure steel bar stress bottom obturator and between hollow building cover template.But one deck cracking resistance gauze wire cloth to be applied separately, fill that physique is heavy, production and transport is inconvenient and the defect such as the large cracky of obturator globality.
Meanwhile, applicants have invented a kind of mode (ZL201110258028.1) utilizing mechanical mold system to make Cavity structural member, achieve mechanized production hollow building cover and become pole; Solve and fill that physique is heavy, production and transport is inconvenient and the problem of the large cracky of obturator globality, but buoyancy does not thoroughly solve; Applicant also invented a kind of hollow floor system (ZL201110332999.6) adopting reinforced foam to combine obturator to make, and this technology solves displacement, isolation, cushion block that current cast-in-situ hollow building roof prior art exists, fixes the problem of obturator, cracky with elongated reinforcing bar; Also have that manufacturing speed is fast, production efficiency is high, cost is low simultaneously, easy construction, reinforcing bar can be stopped be absorbed in plastic foam noggin piece and bring hidden dangers in project.But, because plastic foam noggin piece is organic material, occur that again the hollow building cover that large, the overall buoyancy of the binding site control accuracy of organic material and inorganic material increases and formed is in fact solid, affected the defect of the dark smoke controlling pipeline multifunctional comprehensive utilization that ventilating duct and fire-fighting or can be formed as storage solar thermal energy and heat air delivery.
Therefore, develop that a kind of manufacturing speed is fast, production efficiency is high, cost is low, transport and easy construction, the netted box component of functional combination formula that do not produce buoyancy, light weight, release isolation cushion block and elongated fixing reinforcing bar, meet the multi-functional utilization of floor framing.The hermetically sealed hollow filling body of prior art and solid infill is substituted with the netted box component of packing less combined type, hollow building cover can be formed, do not produce buoyancy again, improve the total quality of building, greatly reduce construction supplementary costs, be of value to and realize building energy conservation integration and the multi-functional utilization of superstructure, become the urgent need of hollow building cover art innovation.
Summary of the invention
The object of the present invention is to provide that manufacturing speed is fast, production efficiency is high, good with concrete plyability, exempts isolate and fixes, improve quality, fall bottom application work supplementary costs, transport easy construction, do not produce buoyancy, satisfied design ensure workmanship, is of value to the netted box component of combined type realizing the integrated and multi-functional utilization of superstructure of building energy conservation.Adopt the hole creating technology that the real cast-in-situ hollow building roof of netted box component is brand-new, packing less netted box component is utilized to substitute existing hermetically sealed hollow filling body or polystyrene foam solid infill, optimize existing cast-in-situ hollow building roof hole creating technology, overcome the defect that existing hollow building cover hole creating technology exists.
Technical scheme of the present invention is as follows, and the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type, comprises at the bottom of case top, case and case body, be made up of functional precast plate and reticulate body; Described functional precast plate adopts concrete mortar and reinforced materials to make under the effect of mould or on reticulate body, superpose binding compound and makes; Described reticulate body comprises reticular lamina and reinforcing rib and brace, and described reticular lamina and reinforcing rib and brace form an entirety, and in described reticular lamina, grid area is less than 120mm
2; Described reticulate body, at least for the case body part of the netted box component of combined type, has two to construct inclined-plane with the rotation angle position of case body at the bottom of described case.
More preferred, be provided with cast hole, discontinuous isolating bar or arc block projection in described function precast plate, construct inclined-plane, there is liner muscle at edge and limit for height controls limit; The enhancing rib with void shape is had inside described cast hole edge.
More preferred, described discontinuous isolating bar or arc block projection are arranged on function precast plate surface; The height H on described structure inclined-plane
1≤ 100mm, length L≤150mm.
More preferred, described enhancing rib outer rim is provided with middle part connected component support member at the bottom of the case top of the netted box component of combined type and case, and described connected component support member is hollow body.
More preferred, the steel sheet thickness P<1mm of the reticular lamina of described reticulate body and reinforcing rib and brace; Two diameter D >=100mm holes are at least provided with in described reticulate body.
More preferred, described combined type netted box component case top adopts function precast plate, at the bottom of case and case body adopt reticulate body.
More preferred, at the bottom of described combined type netted box component case top, case, case body adopt reticulate body, there is compound on the case top of described employing reticulate body.
More preferred, at the bottom of described reticulate body case with at the bottom of case bottom steel concrete compound, form cast-in-situ hollow building roof bottom wing listrium; Described cast-in-situ hollow building roof bottom wing listrium is furnished with steel bar stress.
More preferred, with the concrete compound of infiltration at the bottom of the case of described reticulate body, the thin base plate in bottom flange of direct formation cast-in-situ hollow building roof, containing the reticulate body at the bottom of netted box component case in the thin base plate in described cast-in-situ hollow building roof bottom flange, the thin base plate thickness≤20mm in described cast-in-situ hollow building roof bottom flange.
More preferred, described netted box component and formed steel construction and reinforced concrete structure combine, and form formed steel construction and combines cast-in-situ hollow building roof with guiding principle reinforced concrete, girder employing shaped steel, girt strip or secondary beam employing reinforced concrete structure; Lay the netted box component of combined type between described girder and girt strip and between girt strip and girt strip, after fluid concrete, superstructure forms " T font " or " I-shaped " stressed cross section.
The netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type of the present invention, utilize special mechanical equipment and mould, concrete mortar and reinforced materials are made functional precast plate under the effect of mould, recycle special net making machine tool and make the reticulate body comprising reticular lamina and reinforcing rib and brace, functional precast plate and reticulate body are combined into the netted box component of combined type.Reticulate body is enclosed within liner muscle and the limit for height control angle position, limit at functional precast plate edge.When combined type netted box component case top length of short sides is greater than 600mm, arrange cast hole in functional precast plate, the enhancing rib outer rim install bin top of its cast hole edge is communicated with middle part at the bottom of case the hollow body supported.Therefore this combined type netted box component mechanization degree is high, manufacturing speed is fast, production efficiency is high, saves labour turnover; Due to the effect of reticulate body, the netted box component of combined type presents net slice, is in a packing less state, when hollow building cover cast-in-site, is obturator because the netted box component of combined type is impure, because buoyancy during blow-by stop concrete is disappeared.Combined type netted box component case top adopts functional precast plate; at the bottom of case and case body adopt reticulate body; do not take the flow-control measure that any measure of anti float and concrete inject; because of blow-by air at the bottom of reticulate body case; concrete flowability strengthens, and at one stroke by closely knit for cast-in-situ hollow building roof (under case edge) pouring concrete, after form removal, hollow building cover top board is smooth; with the organic compound of concrete at the bottom of reticulate body case, strengthen hollow building cover top board surface quality and solidness; Also the rotation angle position at the bottom of reticulate body case body and case should be formed simultaneously and construct inclined-plane, strengthen the mobility of lower concrete.The netted case body blow-by of the netted box component of combined type, oozes out residue mixing water concrete in girt strip and top flange plate, improves girt strip and the concrete label of top flange plate and intensity.The bubble produced when decreasing top flange concrete initial set aquation reflection after residue mixing water oozes out is emerged, and improves top flange plate compactness and intensity.The residue mixing water of a small amount of band mortar oozes to bottom flange, and complex superposition at the bottom of mortar and netted case, further increases bottom flange rigidity.By in the support hollow body at the bottom of connecting box top and case, after the concrete coagulation that functional precast plate hole injects, the support of bottom flange in formation, decrease the pressurized of top flange plate unit area, improve flush shear force, bottom flange is formed and supports, correlate up and down, force balance.The structure inclined-plane of functional precast plate, changes dull and stereotyped stressed defect to component itself, after cast-in-situ concrete, is superposed, add the unit area of girt strip by structure bevel altitude with the concrete shared by gradient with girt strip, improves girt strip surrender rigidity.Case body reticulate body is when stopping concrete casting injection forming girt strip, and concrete mortar infiltrate grid, inside grid, (box inside) is piled up, and piling up little mortar heap has sound absorption to the sound of the wind produced during air-supply.Functional precast plate arranges discontinuous isolating bar or arc block is protruding, the distributing bar of top flange is placed in functional precast plate, in order to partition structure reinforcing bar produces bond stress, by discontinuous isolating bar or arc block projection, make distributing bar be placed directly on the discontinuous isolating bar of functional precast plate, exempt isolation cushion block and elongated fixing reinforcing bar.The cast-in-situ hollow building roof that the present invention is formed, when constructing, also at the natural axis position of beam, short tube can be installed, netted for the combined type on adjacent for beam both sides box component is communicated with by short tube, the netted box component of the combined type be communicated with in hollow building cover is utilized to form closed conduit, can warm oneself and the dark air channel of fire-fighting smoke controlling as heat air delivery, connection short tube diameter D >=100mm pre-buried in beam, be communicated with the width that short tube length is greater than girder and girt strip, in short tube or on structure inclined-plane, elongated electric cable heating device is installed, supplements heat energy.
Accompanying drawing explanation
Fig. 1 is the combined type netted box component A section of structure of first embodiment of the invention;
Fig. 2-1 is the combined type netted box component A split plan view of second embodiment of the invention;
Fig. 2-2 is that the netted box component A of combined type of second embodiment of the invention combines elevation;
Fig. 3 is the multi-functional precast plate structural plan figure of the netted box component A of combined type of the present invention;
Fig. 4 is the multi-functional precast plate section of structure of the netted box component A of combined type of the present invention;
Fig. 5 is reticulate body figure in the netted box component A of combined type of the present invention;
Fig. 6 is combined type of the present invention netted box component A " I shape " hollow floor structure sectional view;
Fig. 7 is the netted box component A of combined type of the present invention " T font " hollow floor structure sectional view;
Fig. 8 is combined type of the present invention netted box component A steel-mixed combined hollow building cover structure sectional view;
Fig. 9 a is one of combined type of the present invention netted box component A " multi-functional " hollow floor structure sectional view;
Fig. 9 b is combined type of the present invention netted box component A " multi-functional " hollow floor structure sectional view two;
Fig. 9 c is combined type of the present invention netted box component A " multi-functional " hollow floor structure sectional view three.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the sectional drawing of the netted box component of combined type of first embodiment of the invention, and as shown in Figure 1, the netted box component of combined type is made up of functional precast plate A1 and reticulate body A2.Wherein the netted box component A of combined type to comprise at the bottom of case top 1, case 2 and case body 3, the 2 functional precast plate A1 adopting concrete mortar and reinforced materials to make under machine die effect at the bottom of case top 1 and case, need according to architectural design, select the functional precast plate A1 of difformity and specification.Reticulate body A2 galvanized steel plain sheet is formed in the effect modulation of special mechanical equipment, reticulate body A2 comprises reticular lamina A21 and reinforcing rib A22 and brace A23, reticulate body A2 is connected into cartridge type reticulate body, cartridge type reticulate body A2 is nested with liner muscle 6 at functional precast plate A1 edge and limit for height controls on the angle position on shape limit, limit 7, the structure bevel altitude H of 2 functional precast plate A1 at the bottom of reticulate body A2 height h=combined type netted box component A height H-case top 1 and case
1.The external surface of functional precast plate A1 is prefabricated with discontinuous isolating bar, forms topping between partition structure reinforcing bar and functional precast plate A1, meets the demand of bonding strength.When the length of side of the netted box component of combined type is greater than 600mm, answer reserving hole C at the center of functional precast plate A1, enhancing rib 10 outer rim on hole C limit is provided with connected component support member in middle part at the bottom of case top and case, and described connected component support member is hollow body 5.In reticular lamina A2, the area of each grid is less than 120mm
2.Reticulate body A2 is at least for case body 3 part of the netted box component A of combined type.
Fig. 2-1 is the combined type netted box component A split plan view of second embodiment of the invention.As shown in Fig. 2-1, case top 1 adopts and superpose binding on reticulate body, forms multiple unit tube top 1.Cut out three pieces of reticulate body A2 and form netted box component, wherein the length L of a piece be at the bottom of case 2 width L2 and case at the bottom of length L5 and case body 3 two profile height L3 sums that between 2 and case body 3, two construct inclined-plane A5, that is: L=2L5 ten L2 ten 2L3; Reticulate body A2 is made into the specification block of two pieces of case bodies 3, at case body 3 and four rotation angle positions 32 constructing at the bottom of inclined-plane A5 and case 2, with machinery, the reinforcing rib A22 in reticulate body A2 is linearly flattened, be beneficial to linear rotation angle position 32 and change into two structure inclined-planes.
Fig. 2-2 is that the netted box component A of combined type of second embodiment of the invention combines elevation.Length L two reticulate body A2 is made to be formed at the bottom of case 2 and two structures inclined-plane A5 and two case body 3 side linear rotation angle position 32 corner become U-shaped polyhedron; Again reticulate body A2 is made into the specification block of two pieces of case bodies 3, by the specification block of two pieces of case bodies 3, the modes such as welding, colligation are adopted to be placed in the polyhedral two ends of U-shaped respectively, form the square polyhedron reticular component only having an opening, aperture area and the physical dimension of the square polyhedron reticular component of opening are greater than 2 areas and physical dimension at the bottom of case, are beneficial to the superimposed rear transport of suit.The case top 1 of superposition binding is covered on the opening of square polyhedron reticular component, forms netted box component.For preventing lateral pressure, liner muscle 6 and limit for height must be provided with by reticulate body A2 and case top 1 binding site and control the position limiting structure that limit 7 forms.When preventing cast-in-site hollow building cover, girt strip concrete, to the generation lateral pressure of reticulate body A2, by the effect of lateral pressure, if reticulate body A2 does not have the effect of liner rib 6, leads the inside compressive strain of straight reticulate body A2.Superpose binding according on reticulate body, when forming multiple unit tube top 1, in case top and case body junction, use is welded, the mode of colligation combines.
Fig. 3 is the multi-functional precast plate A1 structural plan figure of the netted box component A of combined type of the present invention.The case top 1 of the netted box component of combined type, opens small hole C at center, case top 1, and hole diameter is 2/3 of support member diameter, has and strengthen muscle 10 around hole C; Case top 1 plane is provided with and does not connect isolating bar 9 or arc convex 9a; Case top 1 plane surrounding forms structure inclined-plane A5.
Fig. 4 is the multi-functional precast plate section of structure of the netted box component A of combined type of the present invention.The case top A1 that composite material is made adopts concrete mortar and reinforced materials to make under the effect of mould; Be provided with the protruding 9a of hole C, discontinuous isolating bar 9 or arc block, structure inclined-plane A5 in the A1 of case top, there is liner muscle 6 at edge and limit for height control limit 7; The enhancing muscle 10 with void shape is had inside cast hole edge.Structure inclined-plane A5 and plane supplementary angle, case top form leg-of-mutton height H
1≤ 100mm, length L5≤150mm.
Fig. 5 is reticulate body pattern card in the netted box component A of combined type of the present invention.As shown in Figure 5, combined type netted box component reticulate body A2, reticulate body A2 comprises reticular lamina A21 and reinforcing rib A22 and brace A23, and reticular lamina A21 and reinforcing rib A22 and brace A23 forms an entirety, and in reticular lamina, grid area is less than 120mm
2, reinforcing rib is generally " V-type ", and reticulate body A2 brace A23 thickness is 0.5mm.Reticulate body A2 should erect for reinforcing rib A22 during case body 3.
Fig. 6 is hollow building cover " I-shaped " the stressed sectional view of the present invention's netted box component A pore-forming.When netted box component is applied to cast-in-situ hollow building roof, hollow building cover template 12 is laid baseplate reinforcing bar 13, colligation well girt strip reinforcing bar 14 in length and breadth, form the hollow grid by building structure requirement, the netted box component by building structure requirement is laid in hollow grid, then lay roof steel bar 15, to check after set aside pre-embedded cast-in-place concrete again.During cast-in-situ concrete, reticulated cell area due to reticulate body A2 does not exceed the infiltrating area caused by concrete surface tension force, so concrete can not penetrate in the netted box component body of combination from the grid of reticulate body A2, at the bottom of pouring concrete case, 2 form the bottom flange 26 of hollow building cover with base plate muscle 13, case body 3 and girt strip reinforcing bar 14 form the girt strip 23 of hollow building cover, case top 1 and roof steel bar 15 form concrete on the top, 24. casees, top flange 1 of hollow building cover by hole C, to flow at the bottom of case bottom 2 through hollow connected component support member 5, the support column of bottom flange in formation, strengthen superstructure punching resistance.The simultaneously netted case body of netted box component, to be exuded at the bottom of case 2 from grid by the remaining mixing water of concrete in girt strip and top flange plate, improve girt strip 23 and the concrete label of top flange plate 24 and intensity.The bubble produced when decreasing top flange concrete initial set aquation reflection after superfluous mixing water oozes out is emerged, and improves top flange plate 24 compactness and intensity.If combined type netted box component A surface area is excessive, in or beyond netted box component A, add supporting member 28.
Fig. 7 is the netted box component A of combined type of the present invention " T font " hollow floor structure sectional view.Sectional view shown in its with Fig. 6 is compared, difference is only template 12 does not lay baseplate reinforcing bar 13, but by the bottom of the case of netted box component 2 and the interval of hollow building cover soffit formwork 12 be less than 20mm distance H2, namely add H2 height stand on hollow building cover soffit formwork 12 by the basis of the reinforcing rib A22 length L2 of case body reticulate body A2, control the thickness of bottom flange 26 by the H2 length lengthened.Case body 3 is formed with 2 rotation angle positions at the bottom of case and constructs inclined-plane A5, is conducive to concrete mobility.After completing other steps, cast-in-place concrete, at the bottom of cast-in-place pouring concrete and case, 2 reticulate bodies are compounded to form the bottom flange 26 of hollow building cover.The thickness of the thin base plate in bottom flange 26 is exactly the height of H2; As the about 600mm of the length of side of the netted box component of combined type; reserving hole C is answered at center, case top 1; at the bottom of case, 2 without the need to reserving hole; enhancing rib 10 outer rim on hole C limit is provided with case top 1 and 2 middle part connected component support members 5 at the bottom of case; described connected component support member is hollow body; the lower end of hollow body forms zigzag 35, and serration depth is less than 20mm, saw point to go here and there at the bottom of case 2 reticulate body A2 be directly placed in hollow building cover template 12; After fluid concrete, produce the concrete mortar with sound absorption function inside netted box component case body reticulate body and pile up.Other partial contents are directly understood with reference to the detailed description of Fig. 6, here also just repeat no more.
Fig. 8 is combined type of the present invention netted box component A steel-mixed combined hollow building cover structure sectional view.Netted box component and formed steel construction and reinforced concrete structure is combined to form formed steel construction and guiding principle reinforced concrete combines cast-in-situ hollow building roof.Girder 29 adopts shaped steel D, and girt strip 23 adopts reinforced concrete structure; Lay netted box component A between girder and girt strip and between girt strip and girt strip, after fluid concrete, superstructure forms " T font " stressed cross section.When processing steel main beam D; girder web plate 30 is reserved with the through hole passed through for girt strip lower rebar 20, and girt strip 23 upper reinforcement is by top, shaped steel top flange 31 and form intersection, and girt strip 23 lower rebar 20 went here and there steel main beam web 30; colligation stirrup 22, forms girt strip reinforcing bar; Girt strip and girt strip intersect the grid forming and lay the netted box component of combined type in length and breadth, and the top flange 31 of steel main beam D, web 30 and bottom flange 33 inwall are wrapped up by concrete, solve the fire safety problem of steel main beam.The particular manufacturing craft 34 of parcel steel main beam lower end, adopt two pieces of L-type steel plate compositions, the superposition joint of two pieces of L-type punching blocks takes the U-shaped punching block of movable snapping or fixed dimension respectively.A die body of steel-mixed combined hollow building cover structure forms with template 12 and particular manufacturing craft 34 by pole and movable Contraband steel, and top, pole upper end Contraband steel, Contraband steel is put superstructure template, girder both sides particular manufacturing craft 34.Other partial contents are directly understood with reference to the detailed description of Fig. 6 and Fig. 7, here also just repeat no more.
Fig. 9 a, Fig. 9 b, Fig. 9 c are combined type of the present invention netted box component A " multi-functional " hollow floor structure sectional view.It is compared with Fig. 6, Fig. 7, shown sectional view, and difference is that the natural axis place of cast-in-situ hollow building roof girder ZL and girt strip 23 is provided with the short tube of the netted box component of connection combined type, short tube G diameter d >=100mm.Short tube G can extend into inside reticulate body A2.The default quantity of short tube G and the size of straight warp are pressed the required air output of integrated multi-functional superstructure and are arranged; Another difference is the cable type heating element 11 by additionally arranging complementary energy in pre-buried short tube G.Another difference is placed in by the cable type heating element 11 of complementary energy on the structure inclined-plane A5 of the functional precast plate A1 of netted box component A again; Converting solar energy into hot blast can be transported in netted box component A, by the through required netted box component A utilized of pre-buried short tube G, reaches the object of hot blast energy circulation; Realize energy-saving heating.When dusk heat energy is repeatedly put, when temperature drops to rated value, automatically connect preset cable type heating element 11 complementary energy.Other partial contents are directly understood with reference to the detailed description of Fig. 6 and Fig. 7 and Fig. 8, here also just repeat no more.
During the invention process, it is crucial for making multiple unit tube top A1 and reticulate body A2 according to the requirement specification of architectural design, functional performance high accuracy, multiple unit tube top A1 and reticulate body A2 special mechanical equipment make, again itself and hollow strutting piece are carried out the netted box component being combined into different size and model, a kind of making for the netted box component of cast-in-situ hollow building roof pore-forming combined type of the present invention can be completed.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that, still can modify to the specific embodiment of the present invention or equivalent replacement, and end departs from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. the netted box component of cast-in-situ hollow building roof pore-forming combined type, is characterized in that: comprise at the bottom of case top, case and case body, be made up of functional precast plate and reticulate body;
Described functional precast plate adopts concrete mortar and reinforced materials to make under the effect of mould or on reticulate body, superpose binding compound and makes;
Described reticulate body comprises reticular lamina and reinforcing rib and brace, and described reticular lamina and reinforcing rib and brace form an entirety, and in described reticular lamina, grid area is less than 120mm
2;
Described reticulate body, at least for the case body part of the netted box component of combined type, has two to construct inclined-plane with the rotation angle position of case body at the bottom of described case.
2. the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type as claimed in claim 1, is characterized in that being provided with cast hole, discontinuous isolating bar or arc block projection in described function precast plate, constructs inclined-plane, there is liner muscle at edge and limit for height controls limit; The enhancing rib with void shape is had inside described cast hole edge.
3. the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type as claimed in claim 2, is characterized in that described discontinuous isolating bar or arc block projection are arranged on function precast plate surface; The height H on described structure inclined-plane
1≤ 100mm, length L≤150mm.
4. the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type as claimed in claim 2, it is characterized in that described enhancing rib outer rim is provided with middle part connected component support member at the bottom of the case top of the netted box component of combined type and case, described connected component support member is hollow body.
5. as claimed in claim 1 for the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type, it is characterized in that the reticular lamina of described reticulate body and the steel sheet thickness P<1mm of reinforcing rib and brace; Two diameter D >=100mm holes are at least provided with in described reticulate body.
6. the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type as claimed in claim 1, is characterized in that described combined type netted box component case top adopts function precast plate, at the bottom of case and case body adopt reticulate body.
7. the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type as claimed in claim 1, it is characterized in that at the bottom of described combined type netted box component case top, case, case body adopt reticulate body, there is compound on the case top of described employing reticulate body.
8. the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type as claimed in claim 1, it is characterized in that at the bottom of described reticulate body case with at the bottom of case bottom steel concrete compound, form cast-in-situ hollow building roof bottom wing listrium; Described cast-in-situ hollow building roof bottom wing listrium is furnished with steel bar stress.
9. the netted box component of a kind of cast-in-situ hollow building roof pore-forming combined type as claimed in claim 1, it is characterized in that the concrete compound with infiltration at the bottom of the case of described reticulate body, the thin base plate in bottom flange of direct formation cast-in-situ hollow building roof, containing the reticulate body at the bottom of netted box component case in the thin base plate in described cast-in-situ hollow building roof bottom flange, the thin base plate thickness≤20mm in described cast-in-situ hollow building roof bottom flange.
10. the netted box component of a kind of cast-in-situ hollow building roof pore-forming as claimed in claim 1, it is characterized in that described netted box component and formed steel construction and reinforced concrete structure combine, formation formed steel construction and guiding principle reinforced concrete combine cast-in-situ hollow building roof, and girder adopts shaped steel, girt strip or secondary beam to adopt reinforced concrete structure; Lay the netted box component of combined type between described girder and girt strip and between girt strip and girt strip, after fluid concrete, superstructure forms " T font " or " I-shaped " stressed cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330518.7A CN104314215B (en) | 2013-07-26 | 2013-07-26 | A kind of cast-in-situ hollow building roof pore-forming netted box component of combination type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330518.7A CN104314215B (en) | 2013-07-26 | 2013-07-26 | A kind of cast-in-situ hollow building roof pore-forming netted box component of combination type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314215A true CN104314215A (en) | 2015-01-28 |
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| CN105239709A (en) * | 2015-11-02 | 2016-01-13 | 徐焱 | Permeable combined filling box formed by metal sheets |
| CN105239708A (en) * | 2015-10-19 | 2016-01-13 | 徐焱 | Light material filling box with metal net surface layer |
| CN105239710A (en) * | 2015-11-02 | 2016-01-13 | 郭伍常 | Combined metal filling box with slurry blocking pieces |
| CN106150090A (en) * | 2015-12-25 | 2016-11-23 | 南京建研科技有限公司 | Hollow building cover filler rod, hollow building cover and hollow building cover filler rod manufacture method |
| CN113530049A (en) * | 2021-07-26 | 2021-10-22 | 广东华坤建设集团有限公司 | Hollow floor slab structure |
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| WO1992008859A1 (en) * | 1990-11-08 | 1992-05-29 | Insinööritoimisto Joel Majurinen Ky | Method for producing an intermediate floor or a like wall construction with a sandwich structure and a wall construction produced by the method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105239708A (en) * | 2015-10-19 | 2016-01-13 | 徐焱 | Light material filling box with metal net surface layer |
| CN105239709A (en) * | 2015-11-02 | 2016-01-13 | 徐焱 | Permeable combined filling box formed by metal sheets |
| CN105239710A (en) * | 2015-11-02 | 2016-01-13 | 郭伍常 | Combined metal filling box with slurry blocking pieces |
| CN106150090A (en) * | 2015-12-25 | 2016-11-23 | 南京建研科技有限公司 | Hollow building cover filler rod, hollow building cover and hollow building cover filler rod manufacture method |
| CN113530049A (en) * | 2021-07-26 | 2021-10-22 | 广东华坤建设集团有限公司 | Hollow floor slab structure |
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| CN104314215B (en) | 2017-03-08 |
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