CN203514593U - Combined meshed box-shaped component for cast-in-place hollow floor pore forming - Google Patents
Combined meshed box-shaped component for cast-in-place hollow floor pore forming Download PDFInfo
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- CN203514593U CN203514593U CN201320467350.XU CN201320467350U CN203514593U CN 203514593 U CN203514593 U CN 203514593U CN 201320467350 U CN201320467350 U CN 201320467350U CN 203514593 U CN203514593 U CN 203514593U
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Abstract
The utility model provides a combined meshed box-shaped component for cast-in-place hollow floor pore forming. The combined meshed box-shaped component comprises a box top, a box bottom and a box body, and is composed of functional precast slabs and meshed bodies. The functional precast slabs are formed by concrete mortar and reinforcing materials through molds or formed by overlapping bindings on the meshed bodies in a composite mode. Each meshed body comprises a meshed board, reinforcing ribs and connecting pieces, wherein the meshed board, the reinforcing ribs and the connecting pieces are integrated. The meshed bodies are at least used for the box body of the combined meshed box-shaped component, and corners of the box bottom and the box body are provided with two structural slopes. The combined meshed box-shaped component is used for pore forming of a cast-in-place hollow floor, the surface tension property of concrete is utilized, and the unsealed combined meshed box-shaped component replaces an existing fully-sealed hollow and solid filling body to be used as the pore forming technology of the cast-in-place hollow floor. The combined meshed box-shaped component is beneficial to building energy conservation integration and floor multifunctional utilization.
Description
Technical field
The utility model relates to the non-heart component for hole of taking out of a kind of cast-in-situ hollow building roof, is specifically related to a kind of for the netted box component of combined type for cast-in-situ hollow building roof pore-forming.
Background technology
At present in cast-in-situ reinforced concrete hollow floor technical field, conventionally adopt hermetic obturator member cast pore-forming hollow building cover, ZL02282207.0 " the thin-wall box-body cast-in-place hollow slab thin-wall box body " patent of declaring as inventor, according to this patent, be that the obturator that adopts inorganic coagulation material to be made into sealing is realized hollow building cover, for cast-in-situ hollow building roof, realize the non-obturator of taking out heart pore-forming is provided.But due to the hollow filling body that adopts pure inorganic coagulation material to make, sealing hollow filling body buoyancy is large, the large matter weight of cementing density of material, production, transportation and site operation are all inconvenient.
The ZL200410082381.9 " a kind of hollow floor slab with small dense ribs " declaring as inventor, hollow thin wall casing forms voided layer in floor slab with small dense ribs, solved the smooth problem of " T " font stressed cross section superstructure top board, can reach saving build concrete, reduce building floor height, promote superstructure soundproof effect, improve building cover structure performance, improve cracking resistance shake-proof ability, be widely used.When adopting the stressed cross section of " T " font, although buoyancy reduces, saved the structure steel bar stress between obturator bottom and hollow building cover template.But to apply separately one deck cracking resistance gauze wire cloth, fill that physique is heavy, production and transport is inconvenient and the defect such as the large cracky of obturator globality.
Meanwhile, applicant has invented a kind of mode (ZL201110258028.1) of utilizing mechanical mold system to make Cavity structural member, has realized mechanized production hollow building cover and has become pole; Solved and filled that physique is heavy, production and transport is inconvenient and the problem of the poor cracky of obturator globality, but buoyancy does not thoroughly solve; Applicant has also invented a kind of hollow floor system (ZL201110332999.6) that adopts reinforced foam combination obturator to make, and this technology solved displacement that current cast-in-situ hollow building roof prior art exists, isolation, cushion block, by the fixing problem of obturator, cracky of elongated reinforcing bar; Also have that manufacturing speed is fast, production efficiency is high, cost is low simultaneously, easy construction, can stop reinforcing bar and be absorbed in the hidden dangers in project that brings in plastic foam noggin piece.But, because plastic foam noggin piece is organic material, the hollow building cover that large, the overall buoyancy of binding site control accuracy that has occurred again organic material and inorganic material increases and forms is in fact solid, the defect that impact utilizes as the dark anti-smoke discharging pipe multifunctional comprehensive that stores solar thermal energy and heat air delivery and can or form ventilating duct and fire-fighting.
Therefore, develop that a kind of manufacturing speed is fast, production efficiency is high, cost is low, transportation and easy construction, do not produce buoyancy, light weight, release isolation cushion block and elongated fixedly reinforcing bar, meet the netted box component of functional combination formula of the multi-functional utilization of floor framing.With the netted box component of packing less combined type, substitute the hermetically sealed hollow filling body of prior art and hatching solid body, can form hollow building cover, do not produce again buoyancy, improve the total quality of building, greatly reduce construction supplementary costs, be of value to and realize the integrated and multi-functional utilization of superstructure of building energy conservation, become the urgent need of hollow building cover art innovation.
Utility model content
The purpose of this utility model is to provide that manufacturing speed is fast, production efficiency is high, good with concrete plyability, exempt isolation and fix, improve quality, fall bottom application work supplementary costs, transportation easy construction, do not produce buoyancy, meet design and guarantee workmanship, be of value to and realize the integrated and netted box component of the combined type multi-functional utilization of superstructure of building energy conservation.Adopt the brand-new hole creating technology of the real cast-in-situ hollow building roof of netted box component, utilize packing less netted box component to substitute existing hermetically sealed hollow filling body or polystyrene foam hatching solid body, optimize existing cast-in-situ hollow building roof hole creating technology, overcome the defect that existing hollow building cover hole creating technology exists.
The technical solution of the utility model is as follows, and the netted box component of combined type for a kind of cast-in-situ hollow building roof pore-forming at the bottom of comprising case top, case and case body, is comprised of functional precast plate and reticulate body; Described functional precast plate superposes on reticulate body, and binding is compound to be made; Described reticulate body comprises reticular lamina and reinforcing rib and brace, described reticular lamina and reinforcing rib and brace form an integral body, described reticulate body at least, for the case body part of the netted box component of combined type, has two structure inclined-planes with the rotation angle position of case body at the bottom of described case.
More preferred, in described functional precast plate, being provided with hole, discontinuous isolating bar or arc piece projection, structure inclined-plane, edge for cast has liner muscle and limit for height control limit; Described cast has the enhancing rib with void shape with hole edge inner side.
More preferred, described discontinuous isolating bar or arc piece projection are arranged on functional 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 the case top and middle part connected component support member at the bottom of case of the netted box component of combined type, 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; In described reticulate body, be at least provided with two diameter D >=100mm holes.
More preferred, the netted box component case of described combined type top adopts functional precast plate, at the bottom of case and case body adopt reticulate body.
More preferred, at the bottom of the netted box component case of described combined type top, case, case body adopts reticulate body, there is compound on the case top of described employing reticulate body.
More preferred, compound with the steel concrete of bottom at the bottom of case at the bottom of described reticulate body case, 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, compound with the concrete of infiltration at the bottom of the case of described reticulate body, directly form the thin base plate in bottom flange of cast-in-situ hollow building roof, in the thin base plate in described cast-in-situ hollow building roof bottom flange containing the reticulate body at the bottom of netted box component case, the thin base plate thickness≤20mm in described cast-in-situ hollow building roof bottom flange; Described cast-in-situ hollow building roof bottom wing listrium is not joined steel bar stress.
More preferred, described netted box component and formed steel construction and reinforced concrete structure combination, form formed steel construction and guiding principle reinforced concrete combination cast-in-situ hollow building roof, and girder adopts shaped steel, girt strip or secondary beam to adopt reinforced concrete structure; Between described girder and girt strip and between girt strip and girt strip, lay the netted box component of combined type, after fluid concrete, superstructure forms " T font " or " I-shaped " stressed cross section.
The netted box component of combined type for a kind of cast-in-situ hollow building roof pore-forming of the present utility model, utilize special mechanical equipment and mould, concrete mortar and reinforced materials are made to functional precast plate under the effect of mould, recycle special-purpose net making machine tool and make the reticulate body that comprises 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 at functional precast plate edge and controls angle position, limit.When the netted box component case of combined type top length of short sides is greater than 600mm, cast hole is set in functional precast plate, its cast is communicated with the enhancing rib outer rim install bin top of hole edge the hollow body supporting with middle part at the bottom of case.Therefore the netted box component mechanization degree of this combined type 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, in a packing less state, when hollow building cover cast-in-site, because the netted box component of combined type is impure, is obturator, and while stopping concrete due to blow-by, buoyancy is disappeared.The netted box component case of combined type top adopts functional precast plate; at the bottom of case and case body adopt reticulate body; the flow-control measure of not taking any measure of anti float and concrete to inject; because of blow-by air at the bottom of reticulate body case; concrete flowability strengthens, and at one stroke that cast-in-situ hollow building roof (edge under case) pouring concrete is closely knit, after form removal, hollow building cover top board is smooth; organically compound with 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 to structure inclined-plane simultaneously, strengthen the concrete mobility in bottom.The netted case body blow-by of the netted box component of combined type, oozes out concrete residue mixing water in girt strip and top flange plate, has improved the concrete label of girt strip and top flange plate and intensity.Residue mixing water oozes out the rear bubble producing when top flange concrete initial set aquation reflects that reduced emerges, and has improved top flange plate compactness and intensity.Residue mixing water with mortar oozes to bottom flange on a small quantity, and complex superposition at the bottom of mortar and netted case, has further improved bottom flange rigidity.In the support hollow body at the bottom of connecting box top and case, the concrete coagulation injecting from functional precast plate hole, the support of bottom flange in formation, reduced the pressurized of top flange plate unit area, improved flush shear force, bottom flange is formed and supported, correlate up and down force balance.The structure inclined-plane of functional precast plate, changes dull and stereotyped stressed defect to member itself, after cast-in-situ concrete, by constructing bevel altitude and gradient shared concrete and girt strip, superposes, and has increased the unit area of girt strip, improves girt strip surrender rigidity.Functional precast plate arranges discontinuous isolating bar or arc piece projection, the distributing bar of top flange is placed in functional precast plate, for partition structure reinforcing bar produces bond stress, by discontinuous isolating bar or arc piece projection, distributing bar is placed directly on the discontinuous isolating bar of functional precast plate, exempts isolation cushion block and elongated fixedly reinforcing bar.The cast-in-situ hollow building roof that the utility model forms, when construction, also can short tube be installed at the natural axis position of beam, short tube is communicated with the netted box component of the combined type on the adjacent both sides of beam, utilize the netted box component of the combined type being communicated with in hollow building cover to form closed conduit, as heat air delivery can warm oneself and fire-fighting with the dark air channel of anti-smoke evacuation, pre-buried connection short tube diameter D >=100mm 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, is supplemented heat energy.
Accompanying drawing explanation
Fig. 1 is the netted box component A of the combined type section of structure of the utility model the first embodiment;
Fig. 2-1 is the netted box component A of the combined type split plan view of the utility model the second embodiment;
Fig. 2-2 are the netted box component A combination of the combined type of the utility model the second embodiment elevation;
Fig. 3 is the multi-functional precast plate structural plan figure of the netted box component A of combined type of the present utility model;
Fig. 4 is the multi-functional precast plate section of structure of the netted box component A of combined type of the present utility model;
Fig. 5 is reticulate body figure in the netted box component A of combined type of the present utility model;
Fig. 6 is the netted box component A of the utility model combined type " I shape " hollow floor structure sectional view;
Fig. 7 is the netted box component A of the utility model combined type " T font " hollow floor structure sectional view;
Fig. 8 is the netted box component A of the utility model combined type steel-mixed combined hollow building cover structure sectional view;
Fig. 9 a is one of the netted box component A of the utility model combined type " multi-functional " hollow floor structure sectional view;
Fig. 9 b is two of the netted box component A of the utility model combined type " multi-functional " hollow floor structure sectional view;
Fig. 9 c is three of the netted box component A of the utility model combined type " multi-functional " hollow floor structure sectional view.
The specific embodiment
Below in conjunction with accompanying drawing the utility model, be further described.
Fig. 1 is the sectional drawing of the netted box component of combined type of the utility model the first embodiment, and as shown in Figure 1, the netted box component of combined type is comprised of functional precast plate A1 and reticulate body A2.Wherein the netted box component A of combined type comprises at the bottom of case top 1, case 2 and case body 3, the 2 functional precast plate A1 that adopt concrete mortar and reinforced materials to make under machine die effect at the bottom of case top 1 and case, according to architectural design, need, select the functional precast plate A1 of difformity and specification.With galvanized steel plain sheet, the effect modulation at special mechanical equipment forms reticulate body A2, 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 at the liner muscle 6 at functional precast plate A1 edge and limit for height and controls on the angle position on 7 shape limits, limit, 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, at functional precast plate A1 center, answer reserving hole C, enhancing rib 10 outer rims on hole C limit are provided with case top and middle part connected component support member at the bottom of 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 parts of the netted box component A of combined type.
Fig. 2-1 is the netted box component A of the combined type split plan view of the utility model the second embodiment.As shown in Fig. 2-1, case top 1 adopts the binding that superposes on reticulate body, forms multiple unit tube top 1.Cut out three reticulate body A2 and form netted box component, wherein the length L of be at the bottom of case at the bottom of 2 width L2 and case 2 and case body 3 between length L 5 and 3 two side height L3 sums of case body, that is: L=2L5 ten L2 ten 2L3 of two structure inclined-plane A5; Reticulate body A2 is made into the specification piece of two case bodies 3, four rotation angle positions 32 of 2 at the bottom of case body 3 and structure inclined-plane A5 and case,, are beneficial to linear rotation angle position 32 and change into two structure inclined-planes the linear flattening of the reinforcing rib A22 in reticulate body A2 with machinery.
Fig. 2-2 are the netted box component A combination of the combined type of the utility model the second embodiment elevation.2 and two structure inclined-plane A5 and two linear rotation angle position 32 corners in case body 3 sides at the bottom of length L two reticulate body A2 making formation casees are become to U-shaped polyhedron; Again reticulate body A2 is made into the specification piece of two case bodies 3, by the specification piece of two case bodies 3, adopt the modes such as welding, colligation to be placed in respectively the polyhedral two ends of U-shaped, formation only has the netted member of square polyhedron of an opening, the aperture area of the netted member of square polyhedron of opening and physical dimension are greater than 2 areas and physical dimension at the bottom of case, are beneficial to the superimposed rear transportation of suit.The case top 1 of stack binding is covered on the opening of the netted member of square polyhedron, formed netted box component.For preventing lateral pressure, must push up 1 binding site by reticulate body A2 and case and be provided with liner muscle 6 and limit for height and control the position limiting structure that limit 7 forms.While preventing cast-in-site hollow building cover, the generation lateral pressure of girt strip concrete to reticulate body A2, is subject to 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.If superpose binding on employing reticulate body, form multiple unit tube and push up 1 o'clock, on case top, combine with the mode of welding for case body junction, colligation.
Fig. 3 is the multi-functional precast plate A1 structural plan figure of the netted box component A of combined type of the present utility model.The case top 1 of the netted box component of combined type, opens small hole C at case 1 center of pushing up, and hole diameter is 2/3 of support member diameter, and hole C has the muscle 10 of enhancing around; Case pushes up 1 plane and is provided with and does not connect isolating bar 9 or arc convex 9a; Case pushes up 1 plane surrounding and 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 utility model.The case top A1 that composite material is made adopts concrete mortar and reinforced materials to make under the effect of mould; Case pushes up in A1 and is provided with hole C, discontinuous isolating bar 9 or arc piece projection 9a, structure inclined-plane A5, edge has liner muscle 6 and limit for height to control limit 7; Cast has the enhancing muscle 10 with void shape with hole edge inner side.Structure inclined-plane A5 and plane supplementary angle, case top form leg-of-mutton height H
1≤ 100mm, length L 5≤150mm.
Fig. 5 is reticulate body pattern card in the netted box component A of combined type of the present utility model.As shown in Figure 5, the netted box component reticulate body of combined type 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 form an integral body, 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.When reticulate body A2 is used for case body 3, reinforcing rib A22 should erect.
Fig. 6 is the stressed sectional view of hollow building cover " I-shaped " of the netted box component A of the utility model pore-forming.When netted box component is applied to cast-in-situ hollow building roof, in hollow building cover template 12, lay baseplate reinforcing bar 13, colligation is girt strip reinforcing bar 14 in length and breadth well, form by the hollow grid of building structure requirement, in hollow grid, lay the netted box component by building structure requirement, then lay top board reinforcing bar 15, check after set aside pre-embedded cast-in-place concrete again.During cast-in-situ concrete, because the reticulated cell area of reticulate body A2 surpasses the infiltrating area due to 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 covers with base plate muscle 13, case body 3 and girt strip reinforcing bar 14 form the girt strip 23 of hollow building covers, hole C is passed through with the concrete that push up for 24. casees on 1 top flange of top board reinforcing bar 15 formation hollow building covers in case top 1, through 2 bottoms at the bottom of hollow connected component support member 5 inflow casees, the support column of bottom flange in formation, strengthen superstructure punching resistance.The netted case body of netted box component is simultaneously exuded at the bottom of case 2 by the remaining mixing water of concrete in girt strip and top flange plate from grid, has improved girt strip 23 and the concrete label of top flange plate 24 and intensity.Superfluous mixing water oozes out the rear bubble producing when top flange concrete initial set aquation reflects that reduced emerges, and has improved top flange plate 24 compactnesss and intensity.If the netted box component A of combined type surface area is excessive, in or beyond the netted box component A of combined type, add supporting member 28.
Fig. 7 is the netted box component A of the utility model combined type " T font " hollow floor structure sectional view.It is compared with the sectional view shown in Fig. 6, difference is only not lay in template 12 baseplate reinforcing bar 13, but by the bottom of the case of netted box component 2 and hollow building cover soffit formwork 12 between every being less than 20mm distance H 2, namely by adding H2 on the basis of the reinforcing rib A22 length L 2 of case body reticulate body A2, be highly supported on hollow building cover soffit formwork 12, by the H2 length lengthening, control the thickness of bottom flange 26.Case body 3 forms structure inclined-plane A5 with 2 rotation angle positions at the bottom of case, 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 bottom flange 26 thin base plates is exactly the height of H2; When the about 600mm of the length of side of the netted box component of combined type; at case 1 center of pushing up, answer reserving hole C; at the bottom of case, 2 without reserving hole; enhancing rib 10 outer rims on hole C limit are 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, and saw point was gone here and there at the bottom of case 2 reticulate body A2 and is directly placed in hollow building cover template 12; After fluid concrete, the inner side generation of netted box component case body reticulate body has the concrete mortar of sound absorption function and piles 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 the netted box component A of the utility model combined type steel-mixed combined hollow building cover structure sectional view.Netted box component and formed steel construction and reinforced concrete structure are combined to form formed steel construction and guiding principle reinforced concrete combination cast-in-situ hollow building roof.Girder 29 adopts shaped steel D, and girt strip 23 adopts reinforced concrete structure; Between girder and girt strip and between girt strip and girt strip, lay netted box component, after fluid concrete, superstructure forms " T font " or " I-shaped " stressed cross section.When processing steel main beam D; on girder web plate 30, be reserved with the through hole passing through for girt strip lower rebar 20, girt strip 23 upper reinforcements are by 31 tops, shaped steel top flange and form and intersect, and girt strip 23 lower rebar 20 were gone here and there steel main beam web 30; colligation stirrup 22, forms girt strip reinforcing bar; Girt strip intersects in length and breadth and forms the grid of laying the netted box component of combined type with girt strip, and the top flange 31 of steel main beam D, web 30 and bottom flange 33 inwalls are wrapped up by concrete, have solved the fire safety problem of steel main beam.The particular manufacturing craft 34 of parcel steel main beam lower end, adopts two blocks of L-type steel plates to form, and the stack joint of two L-type punching blocks is taked respectively the U-shaped punching block of movable snapping or fixed dimension.A die body of steel-mixed combined hollow building cover structure is by forming with template 12 and particular manufacturing craft 34 on pole and movable Contraband steel, and top, pole upper end Contraband steel, puts superstructure template, particular manufacturing craft 34 for girder both sides on Contraband steel.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 the netted box component A of the utility model combined type " multi-functional " hollow floor structure sectional view.Its with Fig. 6, Fig. 7, shown in sectional view compare, difference be 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 reticulate body A2 the inside.The size of the quantity of default short tube G and straight warp is pressed the required air output setting of integrated multi-functional superstructure; Another difference is by additionally arranging the cable type heating element 11 that complementary energy is used in pre-buried short tube G.Another difference is that the cable type heating element 11 that complementary energy is used is placed on the structure inclined-plane A5 of the functional precast plate A1 of netted box component A again; Convert solar energy into hot blast and can be transported in netted box component A, by pre-buried short tube G, connect the netted box component A of required utilization, reach 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.
When the utility model is implemented, according to architectural design require specification, functional performance high accuracy to make multiple unit tube top A1 and reticulate body A2 is crucial, multiple unit tube top A1 and reticulate body A2 will make of special mechanical equipment, again itself and hollow strutting piece are combined into the netted box component of different size and model, can complete a kind made from the netted box component of combined type for cast-in-situ hollow building roof pore-forming of the utility model.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that, still can modify or be equal to replacement the specific embodiment of the present utility model, and end departs from any modification of the utility model spirit and scope or is equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. a combined type netted box component for cast-in-situ hollow building roof pore-forming, at the bottom of comprising case top, case and case body, is comprised of functional precast plate and reticulate body, and described functional precast plate superposes on reticulate body, and binding is compound to be made; Described reticulate body comprises reticular lamina and reinforcing rib and brace, and described reticular lamina and reinforcing rib and brace form an integral body; Described reticulate body at least, for the case body part of the netted box component of combined type, has two structure inclined-planes with the rotation angle position of case body at the bottom of described case.
2. the netted box component of combined type for a kind of cast-in-situ hollow building roof pore-forming as claimed in claim 1, is characterized in that being provided with in described functional precast plate hole for cast, discontinuous isolating bar or arc piece projection, structure inclined-plane, there are liner muscle and limit for height control limit in edge; Described cast has the enhancing rib with void shape, described discontinuous isolating bar or arc piece projection to be arranged on function precast plate surface with hole edge inner side.
3. a kind of cast-in-situ hollow building roof pore-forming netted box component of combined type as claimed in claim 2, has concrete mortar to pile up in the reticulate body grid of the netted box component inner side described in it is characterized in that.
4. the netted box component of combined type for a kind of cast-in-situ hollow building roof pore-forming as claimed in claim 2, it is characterized in that described enhancing rib outer rim is provided with the case top and middle part connected component support member at the bottom of case of the netted box component of combined type, described connected component support member is hollow body, the height H on described structure inclined-plane
1≤ 100mm, length L≤150mm.
5. as claimed in claim 1 for the netted box component of combined type for a kind of cast-in-situ hollow building roof pore-forming, it is characterized in that the reticular lamina of described reticulate body and the steel sheet thickness P<1mm of reinforcing rib and brace, in described reticulate body, be at least provided with two diameter D >=100mm holes.
6. the netted box component of combined type for a kind of cast-in-situ hollow building roof pore-forming as claimed in claim 1, is characterized in that the netted box component case of described combined type top adopts function precast plate, at the bottom of case and case body adopt reticulate body.
7. the netted box component of combined type for a kind of cast-in-situ hollow building roof pore-forming as claimed in claim 1, at the bottom of it is characterized in that the netted box component case of described combined type top, case, case body adopts reticulate body, there is compound on the case top of described employing reticulate body.
8. the netted box component of combined type for a kind of cast-in-situ hollow building roof pore-forming as claimed in claim 1, steel concrete at the bottom of it is characterized in that described reticulate body case and bottom at the bottom of case is 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 combined type for a kind of cast-in-situ hollow building roof pore-forming as claimed in claim 6, it is characterized in that at the bottom of the case of described reticulate body compound with the concrete of infiltration, directly form the thin base plate in bottom flange of cast-in-situ hollow building roof, in the thin base plate in described cast-in-situ hollow building roof bottom flange containing the reticulate body at the bottom of netted box component case, thin base plate thickness≤the 20mm in described cast-in-situ hollow building roof bottom flange, described cast-in-situ hollow building roof bottom wing listrium is not joined steel bar stress.
10. the netted box component of combined type for 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 combination; form formed steel construction and reinforced concrete combination cast-in-situ hollow building roof, girder adopts shaped steel, girt strip or secondary beam to adopt reinforced concrete structure; Between described girder and girt strip and between girt strip and girt strip, lay the netted box component of combined type, after fluid concrete, superstructure forms " T font " or " I-shaped " stressed cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467350.XU CN203514593U (en) | 2013-07-26 | 2013-07-26 | Combined meshed box-shaped component for cast-in-place hollow floor pore forming |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467350.XU CN203514593U (en) | 2013-07-26 | 2013-07-26 | Combined meshed box-shaped component for cast-in-place hollow floor pore forming |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314215A (en) * | 2013-07-26 | 2015-01-28 | 王本淼 | Combined netlike box-shaped component for forming holes in cast-in-situ hollow floor |
| CN107023078A (en) * | 2017-03-22 | 2017-08-08 | 深圳市福田建安建设集团有限公司 | Assemble cast-in-place combined type superposed box mesh-beam floor system and construction method |
-
2013
- 2013-07-26 CN CN201320467350.XU patent/CN203514593U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314215A (en) * | 2013-07-26 | 2015-01-28 | 王本淼 | Combined netlike box-shaped component for forming holes in cast-in-situ hollow floor |
| CN107023078A (en) * | 2017-03-22 | 2017-08-08 | 深圳市福田建安建设集团有限公司 | Assemble cast-in-place combined type superposed box mesh-beam floor system and construction method |
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