CN104314214A - Cast-in-situ hollow floor with pores formed by combined reticular box-shaped component - Google Patents
Cast-in-situ hollow floor with pores formed by combined reticular box-shaped component Download PDFInfo
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- CN104314214A CN104314214A CN201310330509.8A CN201310330509A CN104314214A CN 104314214 A CN104314214 A CN 104314214A CN 201310330509 A CN201310330509 A CN 201310330509A CN 104314214 A CN104314214 A CN 104314214A
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Abstract
The invention provides a cast-in-situ hollow floor with pores formed by a combined reticular box-shaped component. The cast-in-situ hollow floor comprises a reinforced concrete girder or a profile steel concrete girder, a reinforced concrete ribbed beam, an upper flange plate, a lower flange plate and the combined reticular box-shaped component, wherein the combined reticular box-shaped component comprises a box roof, a box body and a box bottom; the box body and the box bottom are made of reticular bodies; reinforcing ribs of the reticular bodies are vertically placed; each reticular body comprises a reticular plate, the reinforcing rib and a connecting piece, which constitute an integral structure; the lower flange plate is directly compounded with the reticular bodies at the box bottom of the combined reticular box-shaped component. The cast-in-situ hollow floor with the pores formed by the combined reticular box-shaped component adopts the unsealed combined reticular box-shaped component to substitute the existing fully-sealed hollow fillers and solid fillers as the cast-in-situ hollow floor pore-forming technology. The cast-in-situ hollow floor with the pores formed by the combined reticular box-shaped component is beneficial to realization of energy conservation integration of a building and the multifunctional use of hollow floor.
Description
Technical field
The present invention relates to and a kind ofly take out with non-the cast-in-situ hollow building roof that the heart becomes pole pore-forming, be specifically related to the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of 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, the problem that when solving " 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, but do not design steel bar stress bottom obturator and between hollow building cover template, one deck cracking resistance gauze wire cloth will be applied separately, fix with elongated reinforcing bar and cushion block, fill that physique is heavy, production and transport is inconvenient and the defect such as the large cracky of obturator volume.
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 obturator globality difference cracky, but buoyancy does not solve completely; 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, development one substitutes the hermetically sealed hollow filling body of prior art with the netted box component of packing less combined type and solid infill forms hollow building cover, 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 manufacturing speed fast, production efficiency is high, good with concrete plyability, exempt isolation and fix, improve quality, bottom application work supplementary costs falls, transport easy construction, do not produce buoyancy, meet design and ensure workmanship, be of value to the netted box component of combined type realizing building energy conservation integration and the multi-functional utilization of superstructure, the hole creating technology that real cast-in-situ hollow building roof 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 cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type, comprises reinforced concrete girder or steel reinforced concrete girder, the netted box component composition of steel concrete girt strip, top flange plate, bottom wing listrium and combined type; The netted box component of described combined type by the bottom of case top, case and case body combine; Described case top is made up under the effect of mould of concrete mortar and reinforced materials or reticulate body and binding are composited; Made by reticulate body at the bottom of described case; Described case body is made by reticulate body, and the reinforcing rib of reticulate body must vertically be placed; Described reticulate body comprises reticular lamina and reinforcing rib and brace, and described reticular lamina and reinforcing rib and brace form an entirety; Two are had at least to construct inclined-plane with the rotation angle position of case body at the bottom of described case; In described bottom wing listrium, direct combination has the reticulate body at the bottom of the netted box component case of combined type.
More preferred, be provided with hole, discontinuous isolating bar or arc block projection in described case top, construct inclined-plane, case top edge has liner muscle and limit for height controls limit; The enhancing rib with void shape is had inside described hole edge.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 case top grid is compounded with cement mortar or foamed glue or sheet material, the grid on described cement mortar closely knit case top or foamed glue expand the grid on incomplete closely knit case top or sheet material and case top grid protocol barrier composite bed.
More preferred, there is concrete mortar to pile up in the reticulate body grid inside described netted box component.
More preferred, the side mesh body of described case body is compounded with a small amount of foamed glue, the grid of the described incomplete closely knit case body side mesh body of foamed glue expansion.
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 intercommunicating pores are at least provided with in described case body reticulate body.
More preferred, described combined type netted box component case top adopt composite plate, at the bottom of case and case body adopt 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, directly form the thin base plate in bottom flange of 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.Described cast-in-situ hollow building roof bottom wing listrium does not join steel bar stress.
More preferred, the netted box component of described combined type 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 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 cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type of the present invention, utilize special mechanical equipment and mould, concrete mortar and reinforced materials are made composite 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, the netted box component of combined type will be combined into net composite plate body.Reticulate body is enclosed within liner muscle and the limit for height control angle position, limit at composite plate edge.Composite plate also can bond foamed glue on reticulate body, and after foamed glue expands, the grid of closely knit reticulate body, forms composite plate case top; Because case top is that plane is placed, concrete tension force is less than concrete penetration, and reticulate body case top does not take measures to seal grid, and concrete mortar can leak from grid.When combined type netted box component case top margin is grown up in 600mm, in composite plate, arrange hole, the enhancing rib outer rim install bin top of its 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 composite 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 composite plate hole injects, the support of bottom flange in formation, decreases the pressurized of top flange plate unit area, improves flush shear force, is formed and supports, correlate up and down, force balance bottom flange.The structure inclined-plane of composite 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.Composite plate arranges discontinuous isolating bar or arc block is protruding, the distributing bar of top flange is placed in composite 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 composite 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.Have concrete mortar to pile up in reticulate body grid inside the netted box component of combined type, produce wind speed noise when blowing, because concrete mortar piles up the effect serving sound-absorbing, the netted box component of each combined type is a silencing case.
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 netted box component A of combined type of the present invention many composite plate structures plan view;
Fig. 4 is the netted box component A of combined type of the present invention many composite plate structures sectional drawing;
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 combined type of the present invention netted box component A " multi-functional " hollow floor structure sectional view three;
Fig. 9 b is combined type of the present invention netted box component A " multi-functional " hollow floor structure sectional view three;
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 composite 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 composite 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 composite 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 composite plate A1 edge and limit for height controls on the angle position on shape limit, limit 7, the structure bevel altitude H of 2 composite plate A1 at the bottom of the reticulate body A2 height netted box component A height H-case top 1 of h=combined type and case
1.The external surface of composite plate A1 is prefabricated with discontinuous isolating bar, forms topping between partition structure reinforcing bar and composite plate A1, meets the demand of bonding strength.As the about 600mm of the length of side of the netted box component of combined type, answer reserving hole C at the center of composite plate A1, enhancing rib 10 outer rim on hole C limit is provided with middle part connected component support member 5 at the bottom of case top and case, and described connected component support member is hollow body.In reticular lamina A2, the area of each grid is less than 120mm
2.Reticulate body A2 is used 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, the composite plate A1 that case top 1 adopts concrete mortar and reinforced materials to make under machine die effect, case top 1 also can 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 linear corner in case body 3 side 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.Band compound case top 1 is covered on the opening of square polyhedron reticular component, forms netted box component.When netted box component case top length of short sides is greater than limit 600mm, is put on case top be communicated with connected support hollow body 5 with middle part at the bottom of case, the midpoint perforate on case top 1 with connected support hollow section binding site, bore dia is 2/3 of hollow body diameter.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.
Fig. 3 is the netted box component A of combined type of the present invention many composite plates A1 structural plan figure.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 netted box component A of combined type of the present invention many composite plate structures sectional drawing.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 hole edge.Construct A3 supplementary angle at the bottom of inclined-plane A5 and case and 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, the good rib reinforcement 14 of colligation, form the hollow grid by building structure requirement, the netted box component by building structure requirement specification 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 rib reinforcement 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, 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.Residue mixing water with mortar oozes to bottom flange, and complex superposition at the bottom of mortar and netted case, further increases bottom flange 26 rigidity.If combined type netted box component A 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 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 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 at the bottom of case, described connected component support member is hollow body, the lower end of hollow body forms zigzag, 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, 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 adopts shaped steel D, and girt strip 23 adopts reinforced concrete structure; Lay netted box component between girder and girt strip and between girt strip and girt strip, after fluid concrete, superstructure forms the stressed cross section of " T " font.When processing steel main beam; 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.Sectional view shown in its with Fig. 6, Fig. 7, Fig. 8 is compared, and difference is that the natural axis place of cast-in-situ hollow building roof girder and girt strip 26 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 netted box component A composite plate A1 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. with a cast-in-situ hollow building roof for the netted box component pore-forming of combined type, it is characterized in that: comprise reinforced concrete girder or steel reinforced concrete girder, the netted box component composition of steel concrete girt strip, top flange plate, bottom wing listrium and combined type;
The netted box component of described combined type by the bottom of case top, case and case body combine; Described case top is made up under the effect of mould of concrete mortar and reinforced materials or reticulate body and binding are composited;
Made by reticulate body at the bottom of described case; Described case body is made by reticulate body, and the reinforcing rib of reticulate body must vertically be placed; Described reticulate body comprises reticular lamina and reinforcing rib and brace, and described reticular lamina and reinforcing rib and brace form an entirety;
Two are had at least to construct inclined-plane with the rotation angle position of case body at the bottom of described case;
In described bottom wing listrium, direct combination has the reticulate body at the bottom of the netted box component case of combined type.
2. the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type as claimed in claim 1, is characterized in that being provided with hole, discontinuous isolating bar or arc block projection in described case top, constructs inclined-plane, case top edge has liner muscle and limit for height controls limit; The enhancing rib with void shape is had inside described hole edge; 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.
3. the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type as claimed in claim 1, it is characterized in that described case top grid is compounded with cement mortar or foamed glue or sheet material, the grid on described cement mortar closely knit case top or foamed glue expand the grid on incomplete closely knit case top or sheet material and case top grid protocol barrier composite bed.
4. the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type as claimed in claim 1, is characterized in that having concrete mortar to pile up in the reticulate body grid inside described netted box component.
5. the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type as claimed in claim 1, the side mesh body that it is characterized in that described case body is compounded with a small amount of foamed glue, and described foamed glue expands the grid of incomplete closely knit case body side mesh body.
6. the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type as claimed in claim 1, 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 intercommunicating pores are at least provided with in described case body reticulate body.
7. the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type as claimed in claim 1, it is characterized in that described combined type netted box component case top adopt composite plate, at the bottom of case and case body adopt reticulate body.
8. the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of 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 cast-in-situ hollow building roof of the netted box component pore-forming of a kind of 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; Described cast-in-situ hollow building roof bottom wing listrium does not join steel bar stress.
10. the cast-in-situ hollow building roof of the netted box component pore-forming of a kind of combined type as claimed in claim 1; it is characterized in that the netted box component of described combined type 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 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)
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Cited By (3)
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| CN105401676A (en) * | 2015-12-23 | 2016-03-16 | 王海崴 | Building regeneration floor cast-in-place cavity floorslab |
| CN105421636A (en) * | 2015-12-23 | 2016-03-23 | 王本淼 | House interlayer cast-in-situ cavity floor |
| WO2021258685A1 (en) * | 2020-06-24 | 2021-12-30 | 阿博建材（昆山）有限公司 | Cast-in-place concrete cage cavity floor slab |
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| WO2021258685A1 (en) * | 2020-06-24 | 2021-12-30 | 阿博建材（昆山）有限公司 | Cast-in-place concrete cage cavity floor slab |
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| CN104314214B (en) | 2016-12-28 |
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Effective date of registration: 20170110 Address after: 415000 Changde City, Hunan province Anxiang County deep Dongting Avenue South Industrial Park (Ryu Jin Hunan Dave Energy Technology Co. Ltd.) Patentee after: HUNAN BIAODIFU ENERGY SAVING TECHNOLOGY Co.,Ltd. Address before: 410003 Hunan province Changsha city Shuangyong road spring 22 room 7A Patentee before: Wang Benmiao Patentee before: Wang Haiwai Patentee before: Li Guoqiang |
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