CN1337510A - In-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure - Google Patents
In-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure Download PDFInfo
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- CN1337510A CN1337510A CN 01136048 CN01136048A CN1337510A CN 1337510 A CN1337510 A CN 1337510A CN 01136048 CN01136048 CN 01136048 CN 01136048 A CN01136048 A CN 01136048A CN 1337510 A CN1337510 A CN 1337510A
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Abstract
The cast-in-place precast combined hollow reinforced concrete flat-slab floor roof comprises concealed beam, main bearing reinforcement in the slab, structure reinforcement, concrete and hollow pipe member preset in reinforcement. It is characterized by that the hollow pipe member is prefabricated two-way hollow pipe member with transverse stiffeni g rib, the stiffening rib in the hollow pipe member is combined with cast-in-place reinforced concrete longitudinal rib, and formed into two-way concealed rib net, and connected with concealed beam between wall and column to form concealed beam rib structure, at the same time the longitudinal laminated I-shaped bearing structure formed from stiffening rib and upper and lower flanges of cast-in-place reinforced concrete, the transverse cast-in-place I-shaped bearing structure formed from longitudinal rib and upper and lower flanges and concealed beam are formed into the structure system whose two-way I-shaped bearing structures and concealed beam can beer load together. The invention is applicable to floor roof and foundation slab of industrial and civil buildings, and can be used for in-situ casting reinforced concrete wall body.
Description
The present invention relates to a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure.
At present, in the prior art, hollow pipe component is generally paper tube, plastic pipe, metal bellows or cavity hard thin-wall members etc., and these hollow pipe components mainly consider to find time concrete, alleviate floor weight.Existing hollow steel bar plate concrete superstructure generally is made up of main stress reinforcing bar in the dark beam between wall column, the plate, distributing bar, concrete, the hollow section that is preset in the reinforcing bar, and the cross sectional shape of hollow pipe component can be circle, square or other is special-shaped.Hollowcore slab in this class plate floor is owing to the concrete in the plate is found time by hollow pipe component, in the outside Cast-in-place concrete rib is arranged vertically along pipe, laterally then there be not Force transmission parts, or only have prevent that wet concrete and cement paste from entering two seal plug, cause the effect that to bear complicated pulling force, pressure, shearing, flush shear force, moment of torsion etc. in the pipe of existing non-core-drawing pore-creating, make cast-in-place hollow steel bar concrete plate floor two direction rigidity great disparities bigger, and can't form the bidirectional plate superstructure of well word rib equivalence.This kind plate floor is as comparing with the two-way ribs plate floor, then exist hollowcore slab thickness big, the steel bar concrete consumption is big, and from great, deflection deformation is big, shearing resistance, torsional property are poor, Cast-in-place concrete weakness easy crack in bottom flange on the hollow section, shock resistance is poor, and two-way stiffness difference is big, the pipe cracky, the Cast-in-place concrete leakage loss is big, problems such as cost height.Therefore develop a kind of novel in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure for being badly in need of.
The object of the present invention is to provide a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is little to have hollowcore slab thickness, and the steel bar concrete consumption is little, and is in light weight, deflection deformation is little, and the shearing resistance torsional property is strong, is difficult for the crack, characteristics such as bidirectional stress power transmission difference is little, and shock resistance is strong, and cost is low.
Solution of the present invention is that hollow pipe component is the two-way hollow pipe component of prefabricated band transverse stiffener, transverse stiffener in the two-way hollow pipe component combines with the cast-in-situ reinforced concrete longitudinal rib, constitute the prefabrication transverse two-way dark close rib net that dark rib and the vertically dark rib of cast-in-situ reinforced concrete join of putting more energy into, and be connected with dark beam between the wall column, form dark beam close rib structure; Simultaneously, the upper and lower edge of a wing of the cast-in-situ reinforced concrete that transverse stiffener in the two-way hollow pipe component and two-way hollow pipe component are upper and lower links for whole, constitutes superimposed longitudinally I-shaped force structure; The horizontal cast-in-place I-shaped force structure and the dark beam that constitute with the upper and lower edge of a wing of cast-in-situ reinforced concrete longitudinal rib and cast-in-situ reinforced concrete constitute the common stressed structural system of two-way I-shaped and dark beam, superimposed I-shaped force structure and cast-in-place I-shaped force structure uniform thickness in dark beam between wall column and the hollowcore slab.Like this, two-way hollow pipe component is not only template, but also is primary structure member, has eliminated behind the hollow section pore-forming in the past the defective that no primary structure member and cracking resistance are constructed in the pipe, can prevent the structure technology disaster effectively.Characteristics such as it is little also to have hollowcore slab thickness simultaneously, and the steel bar concrete consumption is little, and is in light weight, and deflection deformation is little, and the shearing resistance torsional property is strong, is difficult for the crack, and bidirectional stress power transmission difference is little, and shock resistance is strong, and cost is low, thus reached purpose of the present invention.
In addition, the present invention and beam slab or beam slab hollow building cover more also have following advantage:
1, freely separates partition wall, make indoor hommization, the personalized designs of meeting of building;
2, flat board need not furred ceiling;
3, the setting up of air conditioning piping and cable, fire line etc. are easy for installation;
4, improve indoor headway, reduce floor height;
5, Wu Mingliang, elegant in appearance, flexible;
6, reduce construction costs;
7, construction speed is fast, and the template loss is little.
Feature of the present invention also is to contain in the transverse stiffener in the two-way hollow pipe component reinforcing bar, steel mesh reinforcement, gauze wire cloth, fiber, fleece that strengthens usefulness or the combination that both are above, dew muscle, dew net that above-mentioned muscle, net can reveal behind muscle, dew net or the spreading stretch in the cast-in-situ reinforced concrete, reinforcing bar perhaps first and in the cast-in-situ reinforced concrete is connected, pour concrete firmly bonds and drawknot prefabrication transverse stiffening rib and Cast-in-place concrete and reinforcing bar again.
Feature of the present invention is that also transverse stiffener reveals muscle, reveals net and stretch in the dark beam, and connects with concrete, the reinforcing bar of dark beam and bond, and constitutes vertically dark beam and horizontal vertical horizontal dark beam rib formula force structure of master of dark prefabricated stiffening rib.
Feature of the present invention is that also there is sinking partial groove or whole groove week at the transverse stiffener position in the two-way hollow pipe component along pipe, Cast-in-place concrete stretches in the outer groove of two-way hollow pipe component, form the Cast-in-place concrete tenon or the Cast-in-place concrete fin that protrude, Cast-in-place concrete tenon or Cast-in-place concrete fin by interface agglutination or the dew muscle that stretches out with transverse stiffener, reveal net and be connected, constitute superimposed transverse stiffener with prefabrication transverse stiffening rib in the two-way hollow pipe component.
Feature of the present invention also is to put down at the bottom of two-way hollow pipe component pipe outer wall and the floor, the cast-in-situ reinforced concrete bottom flange is disconnected by two-way hollow pipe component at the bottom of two-way hollow pipe component, reinforcing bar and Cast-in-place concrete only pass the position of groove of stiffening rib of two-way hollow pipe component with two-way hollow pipe component both sides cast-in-situ reinforced concrete drawknot, constitute superimposed transverse stiffener.
The thickness, reinforcement ratio that feature of the present invention also is the horizontal prefabricated stiffening rib in the two-way hollow pipe component on the wall limit, dark beam limit, post limit be bigger or identical, the hollowcore slab middle part is identical or diminish.
Feature of the present invention also be cassette ceiling beam limit, post limit, wall limit cast-in-place hollow concrete unit area reckon the actual amount after a discount the reckon the actual amount after a discount thickness of thickness more than or equal to concrete in the plate.
Feature of the present invention is that also the transverse stiffener both sides can be provided with the increase stiffening rib rigidity of protrusion, the reinforcing rib of intensity.
Feature of the present invention is that also transverse stiffener can be porose or atresia, porose formation plate muscle stiffening rib, pure muscle stiffening rib, plate hole stiffening rib, and atresia forms plate stiffening rib, plate muscle stiffening rib.
Feature of the present invention is that also the transverse stiffener both sides are useful on the template of stiffening rib moulding in the pipe, and template is dismountable or do not remove, and template of not tearing open and stiffening rib can constitute superimposed stiffening rib jointly; Template also can be prefabricated into one with body, constitutes stiffening rib forming mould chamber, and have the hole on the body of the empty die cavity between two templates, by pouring into concrete or steel bar concrete, constitutes superimposed stiffening rib with two templates.
Feature of the present invention also is transverse stiffener, and the protruding pipe outer wall that exposes can reveal muscle, reveal net and stretch into Cast-in-place concrete on it, by being connected with reinforcing bar with Cast-in-place concrete is glued, form superimposed transverse stiffener.
Feature of the present invention is that also two-way hollow pipe component two ends can be two plugs, also can be two stiffening ribs, can an end be stiffening rib also, and the other end is a plug.
The cross section that feature of the present invention also is two-way hollow pipe component its radial dimension along its length is that equate or variable.
Feature of the present invention is that also two-way hollow pipe component has anti-floating stationary positioned structure, and they can be hook reinforcing bar, lacing wire or draw ring.
Feature of the present invention is that also two-way hollow pipe component can arrange two-layer, three layers or multilayer up and down.
Feature of the present invention is that also two-way hollow pipe component is arranged vertically mutually in cassette ceiling.
Feature of the present invention is that also the hollowcore slab lower prop on post limit does not have the cap of protrusion.
Feature of the present invention is that also the body of two-way hollow pipe component and transverse stiffener can be same materials, also can be different materials.
Feature of the present invention is that also the body of two-way hollow pipe component is Cement fibre pipe, Cement fibre stringing, cement mortar fibre pipe, metal bellows, plastic film capicitor, plastic pipe, metal tube, cement steel wire webmaster, cement mortar steel wire tube, asbestos cement pipe or resin fibre pipe.
Feature of the present invention is that also transverse stiffener can be steel bar concrete, fiber concrete, fibre mortar, polymer mortar or steel frame.
When feature of the present invention was that also transverse stiffener is steel bar concrete or plain concrete, its proportioning of concrete was cement 20-35%, sand 30-60%, silica flour 1-5%, stone 40-70%, UEA expansion agent 8-15%, FDN high efficiency water reducing agent 0.8-1.2%, fiber 0.01-1%, early strength admixture 1-3%.
When feature of the present invention is that also transverse stiffener is the wire mesh mortar moulding, the mortar proportioning is cement 30-35%, and silica flour 2-6%, mixes the efficient composite water-reducing agent 0.5-0.8% of SD outward at sand 60%-80%, UEA expansion agent 8-12%, polypropylene emulsion 1-3%, early strength admixture 1-2%.
The hollow part that feature of the present invention also is two-way hollow pipe component is filling foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool etc. partly or entirely.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the local enlarged diagram of Fig. 1 .
Fig. 3 is Fig. 1
Local enlarged diagram.
Fig. 4 is the local enlarged diagram of Fig. 1 .
Fig. 5 is the 1-1 sectional view of Fig. 1.
Fig. 6 is Fig. 1
Local enlarged diagram.
Fig. 7 is the 2-2 sectional view of Fig. 1.
Fig. 8 is the 3-3 sectional view of Fig. 1.
Fig. 9 is another embodiment of the present invention figure.
Figure 10 is Fig. 9
Local enlarged diagram.
Figure 11 is Fig. 9
Local enlarged diagram.
Figure 12 is Fig. 9
Local enlarged diagram.
Figure 13 is the structural representation of the two-way hollow pipe component 4 of reducing of the present invention.
Figure 14 is another embodiment of the present invention figure.
Figure 15 is the 4-4 sectional view of Figure 14.
Figure 16 is the 5-5 sectional view of Figure 14.
Figure 17 is the 6-6 sectional view of Figure 14.
Figure 18,19,20,21,22,23 is the schematic diagram of the transverse stiffener 5 of different reinforcing rib schemes.
Figure 24 superimposed structural representation that is transverse stiffener 5 with presetting template 18.
Figure 25,26 is for pouring into the schematic diagram of steel bar concrete in prefabricated stiffening rib die cavity and the die cavity.
Figure 27, the 28th, two-way hollow pipe component 4 of the present invention docks situation and pipe end constructions schematic diagram in floor.
Figure 29 is that the present invention becomes the two-way hollow pipe component schematic diagram of diameter.
Figure 30 is that the present invention is out of shape two-way hollow pipe component schematic diagram.
Figure 31 is two-way hollow pipe component of the present invention layered arrangement structural representation about in the of 4.
Figure 32 is that two-way hollow pipe component 4 of the present invention is arranged vertically structural representation mutually.
Figure 33 is that the user mode of the stiffening rib 2 of different reinforcing rib schemes of the present invention is piled up schematic diagram.
Figure 34, the 35th, the schematic diagram that two-way hollow pipe component 4 of the present invention is helical bellows and fluted 15.
The present invention is further illustrated below in conjunction with drawings and Examples.The present invention is shown in accompanying drawing 1-8, it is by the dark beam 24 between wall column, main stress reinforcing bar 1 in the plate, distributing bar 2, concrete 3, the hollow pipe component 4 that is preset in the reinforcing bar is formed, the cross sectional shape of hollow pipe component 4 can be circle, square or other is special-shaped, dark beam 24 and hollowcore slab uniform thickness between wall column, it is characterized in that the two-way hollow pipe component 4 of hollow pipe component 4 for prefabricated band transverse stiffener 5, transverse stiffener 5 in the two-way hollow pipe component 4 combines with cast-in-situ reinforced concrete longitudinal rib 6, constitute prefabrication transverse put more energy into dark rib 5 and vertically dark rib 6 handing-over of cast-in-situ reinforced concrete two-way dark close rib net also with wall column between dark beam 24 be connected, form dark beam close rib structure; Simultaneously, the upper and lower edge of a wing 7,8 of the cast-in-situ reinforced concrete that transverse stiffener in the two-way hollow pipe component 45 and two-way hollow pipe component 4 are upper and lower links for whole, constitutes superimposed longitudinally I-shaped force structure 9; The horizontal cast-in-place I-shaped force structure 23 and the dark beam 24 that constitute with the upper and lower edge of a wing 7,8 of cast-in-situ reinforced concrete longitudinal rib 6 and cast-in-situ reinforced concrete constitute the common stressed structural system of two-way I-shaped and dark beam, superimposed I-shaped force structure and cast-in-place I-shaped force structure uniform thickness in the dark beam 24 between wall column and the hollowcore slab.Like this, two-way hollow pipe component 4 is not only template, but also is primary structure member, has eliminated behind the hollow section pore-forming in the past the defective that no primary structure member and cracking resistance are constructed in the pipe, can prevent the structure technology disaster effectively.Characteristics such as it is little also to have hollowcore slab thickness simultaneously, and the steel bar concrete consumption is little, and is in light weight, and deflection deformation is little, and the shearing resistance torsional property is strong, is difficult for the crack, and bidirectional stress power transmission difference is little, and shock resistance is strong, and cost is low, thus reached purpose of the present invention.The center line horizontal profile of the two-way hollow pipe component 4 among Fig. 1, Figure 32 has reflected that transverse stiffener 5 combines with cast-in-situ reinforced concrete longitudinal rib 6, constitutes two-way dark close rib net; Fig. 1 has reflected also that simultaneously this two-way dark close rib net is connected with dark beam 24 between the wall column, forms the situation of dark beam close rib structure.Fig. 2,3,4 has reflected that the upper and lower edge of a wing 7,8 of the cast-in-situ reinforced concrete that transverse stiffener 5 and two-way hollow pipe component 4 are upper and lower links for whole, constitutes the situation of superimposed longitudinally I-shaped force structure 9.Fig. 5,7,8 has reflected the situation of cast-in-situ reinforced concrete longitudinal rib 6 with the horizontal I-shaped force structure 23 of the upper and lower edge of a wing 7,8 formations of cast-in-situ reinforced concrete, and The combined constitutes two-way I-shaped force structure system.Fig. 6 is two contact schematic diagrames that two-way hollow pipe component 4 is arranged in plate.
Feature of the present invention also is to contain in the transverse stiffener 5 in the two-way hollow pipe component 4 reinforcing bar 10, steel mesh reinforcement 11, gauze wire cloth 12, fiber, fleece that strengthens usefulness or the combination that both are above, dew muscle 13, dew net 14 that above-mentioned muscle, net can reveal behind muscle 13, dew net 14 or the spreading stretch in the cast-in-situ reinforced concrete, reinforcing bar perhaps first and in the cast-in-situ reinforced concrete is connected, pour concrete firmly bonds and drawknot prefabrication transverse stiffening rib 5 and Cast-in-place concrete 3 and reinforcing bar 1,2 again.Fig. 2,3,4,6 stretches in the cast-in-situ reinforced concrete for the reinforcing bar in the transverse stiffener 5 has the muscle 13 of revealing, and is connected with reinforcing bar in the steel bar concrete.
Feature of the present invention is that also transverse stiffener reveals muscle 13, reveals net 14 and stretch in the dark beam 25, and connects with concrete, the reinforcing bar of dark beam 25 and bond, and constitutes vertically dark beam 25 and horizontal vertical horizontal dark beam rib formula force structure of master of dark prefabricated stiffening rib 5.
Feature of the present invention is that also there are partial groove 15 or whole groove 15 in transverse stiffener 5 positions in the two-way hollow pipe component 4 along the sinking of pipe week, Cast-in-place concrete stretches in two-way hollow pipe component 4 groove 15 outward, form the Cast-in-place concrete tenon or the Cast-in-place concrete fin that protrude, Cast-in-place concrete tenon or Cast-in-place concrete fin by interface agglutination or the dew muscle 13 that stretches out with transverse stiffener 5, reveal net 14 and be connected, with the superimposed transverse stiffener 5 of prefabrication transverse stiffening rib 5 formations in the two-way hollow pipe component 4.Figure 4 shows that transverse stiffener 5 positions in the two-way hollow section 4 are fluted 15 along sinking in pipe week, the upper and lower edge of a wing 7,8 of Cast-in-place concrete is stretched in the outer groove of two-way hollow section 15 and is formed the Cast-in-place concrete fins, constitutes superimposed transverse stiffener 5 with prefabrication transverse stiffening rib 5.Figure 34, the 35th, two-way hollow pipe component 4 are the schematic diagram of screw type corrugated pipe and fluted 15.
The present invention is shown in Figure 11,12, its feature also is to put down at the bottom of two-way hollow pipe component 4 pipe outer walls and the floor, cast-in-situ reinforced concrete bottom flange 8 was disconnected by two-way hollow pipe component 4 at 4 ends of two-way hollow pipe component, reinforcing bar 1 and Cast-in-place concrete 3 only pass the position of groove 15 of stiffening rib 5 of two-way hollow pipe component 4 with two-way hollow pipe component both sides cast-in-situ reinforced concrete drawknot, constitute superimposed transverse stiffener 5.Figure 10 is the structural representation of inverted T-shaped for the cross section of transverse stiffener 5; Figure 11 is last flat recessed structural representation for the cross section of prefabricated transverse stiffener 5; To be that the cross section of prefabricated transverse stiffener 5 is upper and lower be the structural representation of different grooves 15 to Figure 12.
The thickness, reinforcement ratio that feature of the present invention also is the horizontal prefabricated stiffening rib 5 in two-way hollow section 4 members on wall 17 limits, dark beam 24 limits, post 25 limits are bigger or identical, can be identical or diminish in the hollowcore slab middle part.As shown in Figure 9, for the schematic diagram of 2 of wall 26 and plates is bigger at the thickness near the stiffening rib 5 on wall 17 limits, less away from the thickness of the stiffening rib 5 on wall 17 limits.
Feature of the present invention also be cassette ceiling beam limit, post limit, wall limit cast-in-place hollow concrete unit area reckon the actual amount after a discount the reckon the actual amount after a discount thickness of thickness more than or equal to concrete in the plate.As shown in figure 13, left end is near beam limit, post limit, wall limit end, and the thickness of reckoning the actual amount after a discount of cast-in-place hollow concrete unit area is successively and reduces from left to right.
Feature of the present invention is that also transverse stiffener 5 both sides can be provided with increase stiffening rib 5 rigidity of protrusion, the reinforcing rib 16 of intensity.Shown in Figure 14,15,16,17, transverse stiffener 5 both sides are provided with reinforcing rib 16.Figure 14 is the schematic diagram between post 25, dark beam 24 and the plate.
Feature of the present invention is that also transverse stiffener 5 can be porose 17 or atresia, porose 17 formation plate muscle stiffening rib, pure muscle stiffening rib, plate hole stiffening rib, the formation plate stiffening rib of atresia, plate muscle stiffening rib.Figure 15 is a plate muscle stiffening rib, and Figure 18,21 is pure muscle stiffening rib, and Figure 19,20 is the plate stiffening rib.Figure 16,17,22,23 is a plate muscle stiffening rib.
Feature of the present invention is that also transverse stiffener 5 both sides are useful on the template 18 of stiffening rib 5 moulding in the pipe, and template 18 is dismountable or do not remove, and template 18 and the stiffening rib 5 do not torn open can constitute superimposed stiffening rib jointly; Template 18 also can be prefabricated into one with body 4, constitutes stiffening rib 5 forming mould chambeies 19, and have the hole on the body 4 of the empty die cavity 19 between two templates 18, by pouring into concrete or steel bar concrete, constitutes superimposed stiffening rib with two templates 18.Figure 24 is template 18 and the superimposed stiffening rib 5 of stiffening rib 5 common formations, and Figure 25,26 is for pouring into the schematic diagram of steel bar concrete in prefabricated stiffening rib die cavity 19 and the die cavity 19.
Feature of the present invention also is transverse stiffener 5, and protruding pipe 4 outer walls that expose can reveal muscle 13, reveal net 14 and stretch into Cast-in-place concrete 3 it on, by being connected with reinforcing bar with the Cast-in-place concrete gluing, form superimposed transverse stiffener 5.Fig. 8 is transverse stiffener 5 protruding pipe 4 outer walls that expose, and its cross section is circle rib pipe; Figure 13 is the situation that the transverse stiffener 5 of the two-way hollow pipe component 4 of reducing protrudes outer wall.
Feature of the present invention is that also two-way hollow pipe component 4 two ends can be two plugs 22, also can be two stiffening ribs 5, can an end be stiffening rib 5 also, and the other end is a plug 22.Figure 27,28 is for two-way hollow pipe component 4 one ends are stiffening rib 5, and the other end is the situation of plug 22.Figure 27 two pipe butt joints leave certain width and water concrete, with pipe end stiffening rib 5 common formation transverse stiffeners 5; Figure 28 two pipe butt joints are near not spacing.
The cross section that feature of the present invention also is two-way hollow pipe component 4 its radial dimension along its length is that equate or variable.Figure 13, the 29th, the two-way hollow pipe component of reducing, Figure 30 are the two-way hollow pipe components of distortion.
Feature of the present invention is that also two-way hollow pipe component 4 has anti-floating stationary positioned structure 20, and they can be hook reinforcing bar, lacing wire or draw ring.Figure 17,20 locating structure are the draw ring structure.
Feature of the present invention is that also two-way hollow pipe component 4 can arrange two-layer, three layers or multilayer up and down.Figure 31 is 4 fens two-layer layouts of two-way hollow pipe component.
The present invention shown in figure 32, its feature is that also two-way hollow pipe component 4 is arranged vertically mutually in cassette ceiling.
Feature of the present invention is that also the hollowcore slab lower prop on post 25 limits does not have the cap of protrusion.
Feature of the present invention is that also the body of two-way hollow pipe component 4 and transverse stiffener 5 can be same materials, also can be different materials.
Feature of the present invention is that also the body of two-way hollow pipe component 4 is Cement fibre pipe, Cement fibre stringing, cement mortar fibre pipe, metal bellows, plastic film capicitor, plastic pipe, metal tube, cement steel wire webmaster, cement mortar steel wire tube, asbestos cement pipe or resin fibre pipe.
Feature of the present invention is that also transverse stiffener 5 can be steel bar concrete, fiber concrete, fibre mortar, polymer mortar or steel frame.
When feature of the present invention also was transverse stiffener 5 for steel bar concrete or plain concrete, its proportioning of concrete was cement 20-35%, sand 30-60%, silica flour 1-5%, stone 40-70%, UEA expansion agent 8-15%, FDN high efficiency water reducing agent 0.8-1.2%, fiber 0.01-1%, early strength admixture 1-3%.
When feature of the present invention also is transverse stiffener 5 for the wire mesh mortar moulding, the mortar proportioning is cement 30-35%, and silica flour 2-6%, mixes the efficient composite water-reducing agent 0.5-0.8% of SD outward at sand 60%-80%, UEA expansion agent 8-12%, polypropylene emulsion 1-3%, early strength admixture 1-2%.
The hollow part 21 that feature of the present invention also is two-way hollow pipe component 4 is filling foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool etc. partly or entirely.
Claims (23)
1, a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is by the beam between wall column 24, main stress reinforcing bar 1 in the plate, distributing bar 2, concrete 3, the hollow pipe component 4 that is preset in the reinforcing bar is formed, the cross sectional shape of hollow pipe component 4 can be circle, square or other is special-shaped, it is characterized in that the two-way hollow pipe component 4 of hollow pipe component 4 for prefabricated band transverse stiffener 5, transverse stiffener 5 in the two-way hollow pipe component 4 combines with cast-in-situ reinforced concrete longitudinal rib 6, constitute the put more energy into two-way dark close rib net of dark rib 5 and vertically dark rib 6 handing-over of cast-in-situ reinforced concrete of prefabrication transverse, and be connected with dark beam between the wall column, form dark beam close rib structure; Simultaneously, the upper and lower edge of a wing 7,8 of the cast-in-situ reinforced concrete that transverse stiffener in the two-way hollow pipe component 45 and two-way hollow pipe component 4 are upper and lower links for whole, constitutes superimposed longitudinally I-shaped force structure 9; The horizontal cast-in-place I-shaped force structure 23 and the dark beam 24 that constitute with the upper and lower edge of a wing 7,8 of cast-in-situ reinforced concrete longitudinal rib 6 and cast-in-situ reinforced concrete constitute the common stressed structural system of two-way I-shaped and dark beam, superimposed I-shaped force structure and cast-in-place I-shaped force structure uniform thickness in the dark beam 24 between wall column and the hollowcore slab.
2, a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure according to claim 1, it is characterized in that containing in the transverse stiffener 5 in the two-way hollow pipe component 4 reinforcing bar 10, steel mesh reinforcement 11, gauze wire cloth 12, fiber, fleece that strengthens usefulness or the combination that both are above, dew muscle 13, dew net 14 that above-mentioned muscle, net can reveal behind muscle 13, dew net 14 or the spreading stretch in the cast-in-situ reinforced concrete, reinforcing bar perhaps first and in the cast-in-situ reinforced concrete is connected, pour concrete firmly bonds and drawknot prefabrication transverse stiffening rib 5 and Cast-in-place concrete 3 and reinforcing bar 1,2 again.
3, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, the dew muscle 13, the dew net 14 that it is characterized in that transverse stiffener 5 stretch in the dark beam 25, and connect with the concrete of dark beam 25, reinforcing bar and bond, constitute vertically dark beam 25 and horizontal vertical horizontal dark beam rib formula force structure of master of dark prefabricated stiffening rib 5.
4, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is characterized in that there is sinking partial groove 15 or whole groove 15 week at transverse stiffener 5 positions in the two-way hollow pipe component 4 along pipe, Cast-in-place concrete stretches in two-way hollow pipe component 4 groove 15 outward, form the Cast-in-place concrete tenon or the Cast-in-place concrete fin that protrude, Cast-in-place concrete tenon or Cast-in-place concrete fin by interface agglutination or the dew muscle 13 that stretches out with transverse stiffener 5, reveal net 14 and be connected, with the superimposed transverse stiffener 5 of prefabrication transverse stiffening rib 5 formations in the two-way hollow pipe component 4.
5, a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure according to claim 4, it is characterized in that putting down at the bottom of two-way hollow pipe component member 4 pipe outer walls and the floor, cast-in-situ reinforced concrete bottom flange 8 was disconnected by two-way hollow pipe component 4 at 4 ends of two-way hollow pipe component, reinforcing bar 1 and Cast-in-place concrete 3 only pass the position of groove 15 of pipe stiffening rib 5 of two-way hollow unit 4 with two-way hollow pipe component both sides cast-in-situ reinforced concrete drawknot, constitute superimposed transverse stiffener 5.
6, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, the thickness, reinforcement ratio that it is characterized in that the horizontal prefabricated stiffening rib 5 in the two-way hollow pipe component 4 on wall 17 next doors, dark beam limit, post limit be bigger or identical, can be identical or diminish in the hollowcore slab middle part.
7, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is characterized in that cassette ceiling beam limit, post limit, wall limit cast-in-place hollow concrete unit area reckon the actual amount after a discount the reckon the actual amount after a discount thickness of thickness more than or equal to concrete in the plate.
8,, it is characterized in that transverse stiffener 5 both sides can be provided with increase stiffening rib 5 rigidity of protrusion, the reinforcing rib 16 of intensity according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure.
9, a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure according to claim 8, it is characterized in that transverse stiffener 5 can be porose 17 or atresia, porose 17 formation plate muscle stiffening rib, pure muscle stiffening rib, plate hole stiffening rib, the formation plate stiffening rib of atresia, plate muscle stiffening rib.
10, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is characterized in that transverse stiffener 5 both sides are useful on the template 18 of stiffening rib 5 moulding in the pipe, template 18 is dismountable or do not remove, and template 18 and the stiffening rib 5 do not torn open can constitute superimposed stiffening rib jointly; Template 18 also can be prefabricated into one with body 4, constitutes stiffening rib 5 forming mould chambeies 19, and have the hole on the body 4 of the empty die cavity 19 between two templates 18, by pouring into concrete or steel bar concrete, constitutes superimposed stiffening rib with two templates 18.
11, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is characterized in that transverse stiffener 5, protruding expose the pipe 4 outer walls, can reveal it on muscle 13, dew net 14 stretch into Cast-in-place concrete 3, by being connected with reinforcing bar, form superimposed transverse stiffener 5 with Cast-in-place concrete is glued.
12, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is characterized in that two-way hollow pipe component 4 two ends can be two plugs 22, also can be two stiffening ribs 5, can an end be stiffening rib 5 also, and the other end is a plug 22.
13, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, the cross section that it is characterized in that two-way hollow pipe component 4 its radial dimension along its length is that equate or variable.
14, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is characterized in that two-way hollow pipe component 4 has anti-floating stationary positioned structure 20, they can be hook reinforcing bar, lacing wire or draw ring.
15,, it is characterized in that two-way hollow pipe component 4 can arrange two-layer, three layers or multilayer up and down according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure.
16,, it is characterized in that two-way hollow pipe component 4 is arranged vertically mutually in cassette ceiling according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure.
17,, it is characterized in that not having the cap that protrudes at the hollowcore slab lower prop 25 on post 25 limits according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure.
18, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, it is characterized in that the body of two-way hollow pipe component 4 and transverse stiffener 5 can be same materials, also can be different materials.
19, a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure according to claim 18, the body that it is characterized in that two-way hollow pipe component 4 are Cement fibre pipe, Cement fibre stringing, cement mortar fibre pipe, metal bellows, plastic film capicitor, plastic pipe, metal tube, cement steel wire webmaster, cement mortar steel wire tube, asbestos cement pipe or resin fibre pipe.
20, a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure according to claim 18 is characterized in that transverse stiffener 5 can be steel bar concrete, fiber concrete, fibre mortar, polymer mortar or steel frame.
21, a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure according to claim 18, when it is characterized in that transverse stiffener 5 for steel bar concrete or plain concrete, its proportioning of concrete is cement 20-35%, sand 30-60%, silica flour 1-5%, stone 40-70%, UEA expansion agent 8-15%, FDN high efficiency water reducing agent 0.8-1.2%, fiber 0.01-1%, early strength admixture 1-3%.
22, a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure according to claim 18, when it is characterized in that transverse stiffener 5 for the wire mesh mortar moulding, the mortar proportioning is cement 30-35%, silica flour 2-6%, sand 60%-80%, UEA expansion agent 8-12%, mix the efficient composite water-reducing agent 0.5-0.8% of SD outward, polypropylene emulsion 1-3%, early strength admixture 1-2%.
23, according to claim 1 or 2 described a kind of in-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure, the hollow part 21 that it is characterized in that two-way hollow pipe component 4 is filling foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool etc. partly or entirely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011360488A CN1138050C (en) | 2001-09-30 | 2001-09-30 | In-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011360488A CN1138050C (en) | 2001-09-30 | 2001-09-30 | In-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1337510A true CN1337510A (en) | 2002-02-27 |
| CN1138050C CN1138050C (en) | 2004-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011360488A Expired - Fee Related CN1138050C (en) | 2001-09-30 | 2001-09-30 | In-situ deposited plate concrete roof with prefabricated combined hollow steel bar structure |
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| Country | Link |
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| CN (1) | CN1138050C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458069C (en) * | 2002-04-30 | 2009-02-04 | 邱则有 | Stereo bearing mould case for steel reinforced concrete |
| CN1865622B (en) * | 2002-04-30 | 2010-09-01 | 邱则有 | Stereo bearing shuttering for reinforced concrete |
| IT202100017795A1 (en) * | 2021-07-06 | 2023-01-06 | Eiseko Eng Di Cenzon Francesco E Pomini Giorgio | Multipurpose prefabricated attic |
| EP4123099A1 (en) * | 2021-07-06 | 2023-01-25 | Eiseko Engineering di Cenzon Francesco e Pomini Giorgio | Multi-purpose prefabricated slab |
-
2001
- 2001-09-30 CN CNB011360488A patent/CN1138050C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458069C (en) * | 2002-04-30 | 2009-02-04 | 邱则有 | Stereo bearing mould case for steel reinforced concrete |
| CN1865622B (en) * | 2002-04-30 | 2010-09-01 | 邱则有 | Stereo bearing shuttering for reinforced concrete |
| IT202100017795A1 (en) * | 2021-07-06 | 2023-01-06 | Eiseko Eng Di Cenzon Francesco E Pomini Giorgio | Multipurpose prefabricated attic |
| EP4123099A1 (en) * | 2021-07-06 | 2023-01-25 | Eiseko Engineering di Cenzon Francesco e Pomini Giorgio | Multi-purpose prefabricated slab |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1138050C (en) | 2004-02-11 |
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