A kind of cast-in-situ reinforced concrete superstructure
The application is that March 4, application number in 2003 are that 03118135.X, name are called the dividing an application of application for a patent for invention of " a kind of cast-in-situ reinforced concrete superstructure " for the applying date.
(1) technical field
The present invention relates to a kind of cast-in-situ reinforced concrete superstructure.
(2) background technology
The most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as floor structure at present, this floor structure has advantages such as speed of application is fast, cost is low, but owing to firmly do not link between adjacent two precast hollow slabs, only use cement mortar blind, thereby not only globality is poor, be unfavorable for antidetonation, and slit cracking, infiltration often occur, put to no little inconvenience and psychological pressure to resident family.In order to address the above problem, a lot of building have adopted the method for Cast-in-place concrete floor (hollow, solid).Though the Cast-in-place concrete floor has solved antidetonation and problems of crack, when construction, to use a large amount of templates, like this, not only increased expense, and the speed of application that slowed down, prolonged the duration.The patent No. is ZL00203695.9's " combination concrete hidden rib floor structure " utility model patent, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is horizontal positioned at interval, on prefabricated plate, be fixed with formwork, formwork comprises upper plate and side plate on every side, be provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connect as one with dark rib, this kind floor structure no longer needs to use in a large number template, accelerate speed of application, shortened the duration, thereby reduced cost.But because the formwork wall thickness in the floor is thinner, easily damaged in carrying and work progress, particularly be subjected to the strike or the collision of various weights and junk, because of insufficient strength, shock resistance is poor, damaged hole, the destruction that causes the formwork wall often occur.Make troubles to construction, increase the cost of superstructure, and the duration is affected.Therefore, develop a kind of novel cast-in-situ reinforced concrete superstructure for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of cast-in-situ reinforced concrete superstructure, have characteristics such as easy construction, cost be low.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete upper plate, reinforcing bar concrete hidden rib, shuttering member, shuttering member is horizontal arrangement at interval, the reinforcing bar concrete hidden rib is arranged between the adjacent shuttering member, the steel bar concrete upper plate is positioned on reinforcing bar concrete hidden rib and the shuttering member, shuttering member comprises upper base, sidewall on every side, it is characterized in that at upper base, accompany at least one thin band at least one in the sidewall on every side, at upper base, be provided with in stiffening rib or bracing boom or the reinforcing rib at least one in sidewall and the cavity that surrounds of going to the bottom on every side.Like this, the upper plate of the formwork in the superstructure, accompany thin band in the sidewall on every side, the ability of its shock resistance and collision is big, intensity is high, pliability is good, and thin band of Unit Weight and cementitious matter bonding surface are big, and corresponding bond stress is big, when formwork is impacted or collide, the formwork wall is not prone to damaged hole, even the destruction crackle is arranged, because the effect that involves of thin band, do not need to repair yet, do not influence follow-up construction, thereby floor construction is convenient, cost is low; Simultaneously, stiffening rib or bracing boom can participate in the stressed and power transmission of superstructure, have eliminated the hollow building cover hollow part and have not had the defective of primary structure member, thereby reached purpose of the present invention.
Feature of the present invention is that also thin band is parallel to each other or intersect or form the band net or its combination is provided with.Like this, during floor construction, can be provided with flexibly, make things convenient for design and construction according to needs actual and design; Help improving the intensity and the rigidity of superstructure.
Feature of the present invention is that also thin band is to have hole or seam or groove or sour jujube head or band concavo-convex or impression or hair sour jujube.Like this, approach band itself owing to porose, seam, groove etc., thus more firm with formwork wall slip or Cast-in-place concrete bonding, the globality of corresponding superstructure is better, and intensity is higher.
Feature of the present invention is that also thin band is the compound metal tape more than at least two kinds that has in hole or seam or groove or sour jujube head or concavo-convex or impression or the hair sour jujube.
Feature of the present invention is that also thin band is to have concavo-convex porose band.
Feature of the present invention is that also thin band is a braid over braid.
Feature of the present invention is that also thin band is a strap.
Feature of the present invention is that also thin band is a sandwich tape.
Feature of the present invention is also on every side that sidewall is following protruding toss, or inwardly contracts re-entrant angle is arranged.Like this, when floor construction, shuttering member is if be extended with toss, and the construction template that then can save superstructure reduces the floor construction cost; Shuttering member improves the mechanical property of superstructure if interior puncture angle then can form I-shaped Cast-in-place concrete rib.Therefore, the shuttering member in the superstructure be designed to toss or in contract re-entrant angle arranged, made things convenient for design and construction unit, help improving the mechanical property of superstructure, reduce the construction cost of superstructure.
Feature of the present invention is also that lower sidewall is connected with on every side and goes to the bottom, and goes to the bottom to flush with sidewall on every side or at least one side is extended with toss.Like this, behind floor construction, whole superstructure bottom is a plane, need not furred ceiling, and it is also simpler to construct, thereby cost is relatively low.Simultaneously, shuttering member is if be extended with bridging piece, and then the Cast-in-place concrete rib need not template, can save form cost usefulness, further reduces the floor construction cost.If also accompany thin band in going to the bottom, then the superstructure intensity of going to the bottom is higher in addition, and crack resistance is better.
Feature of the present invention also is upper base, sidewall or go to the bottom and be the upper base of layer structure, sidewall or go to the bottom on every side on every side, layer structure is by the glued bed of material of one deck, one deck fleece or cloth or wire lath, the glued bed of material of one deck again, one deck fleece or cloth or wire lath again, the glued bed of material of one deck again, overlapping gluing like this forms, and fleece or cloth or wire lath are at least more than one deck.Cementitious matter in the glued bed of material can be the composition of portland-type cement, aluminate cement, alkali slag cement or resin glue and above-mentioned cement.Also can contain at least a in rubble, cobble, phase sand, medium sand, fine sand, flour sand, expanded perlite, expanded vermiculite or the haydite in the glued bed of material.Like this, can increase the intensity of the glued bed of material, reduce the contraction and the cracking of the glued bed of material.Like this, the intensity of superstructure is higher, and globality is better, and impact resistance is stronger.
Feature of the present invention is that also thin band is the band net that flat band is formed.
Feature of the present invention also be by the formwork that upper base and sidewall on every side surround be by local upper base with local around the local piecemeal that is connected as a single entity of sidewall be fixed on stiffening rib and go to the bottom and go up assembling combination and form.Like this, the making of shuttering member is easier, convenient, and cost of production is lower, and the cost of corresponding superstructure is lower.
Feature of the present invention also is to have between the described local piecemeal at least one binding in thin band or enhancing steel wire or the gauze wire cloth.Like this, the binding between the local piecemeal better, more firm, the globality of formwork is better, the construction of corresponding superstructure is more convenient, construction cost is lower.
Feature of the present invention also is upper base or sidewall or hollow hole outwardly open and the band die cavity that is communicated with of going to the bottom is arranged among both on every side.Like this, Cast-in-place concrete enters in the hollow hole, and mutual build-in between the formwork, can effectively eliminate the crack between Cast-in-place concrete rib and the formwork, improves the globality and the mechanical property of superstructure.
Feature of the present invention also is to have in the hole and the reinforcing steel bar or the thin band of going to the bottom and being connected and protruding upward.Like this, the wedge action between Cast-in-place concrete and the formwork is better, and the globality and the mechanical property of superstructure are higher.
Feature of the present invention also is upper base or sidewall or the two external surface is fluted, pothole, convex module, dew muscle, reveal net, reveal at least one in the thin band on every side.Like this, the build-in between shuttering member and the Cast-in-place concrete is better, and the intensity and the globality of superstructure are higher.
Feature of the present invention also is at upper base, is filled with light material in sidewall and the cavity that surrounds of going to the bottom on every side.Like this, the insulation of superstructure, heat insulation, sound insulation value is better.
Feature of the present invention is that also shuttering member is provided with the pipe or the air chimney of drawing-in wire.Like this, during floor construction, the construction of various pipelines is laid more convenient, and construction cost is lower.
Feature of the present invention also is to go to the bottom and is provided with at least two by the upper plate and the formwork of the cavity that surrounds of sidewall on every side.Like this, the construction of superstructure is easier, convenient, and cost is lower.
Feature of the present invention is that also shuttering member is provided with tension align member that connects lower support element or the member of carrying usefulness.Like this, the construction of superstructure is more convenient, quick, and cost is low.
Another solution of the present invention is on the basis of existing technology, comprise upper base, sidewall on every side, it is characterized in that at upper base, accompany at least one thin band at least one in the sidewall on every side, at upper base, be provided with in stiffening rib or bracing boom or the reinforcing rib at least one in sidewall and the cavity that surrounds of going to the bottom on every side.Like this, the upper plate of the formwork in the superstructure, accompany thin band in the sidewall on every side, the ability of its shock resistance and collision is big, intensity is high, pliability is good, and thin band of Unit Weight and cementitious matter bonding surface are big, and corresponding bond stress is big, when formwork is impacted or collide, the formwork wall is not prone to damaged hole, even the destruction crackle is arranged, because the effect that involves of thin band, do not need to repair yet, do not influence follow-up construction, thereby floor construction is convenient, cost is low; Simultaneously, stiffening rib or bracing boom can participate in the stressed and power transmission of superstructure, have eliminated the hollow building cover hollow part and have not had the defective of primary structure member, thereby reached purpose of the present invention.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 is the steel bar concrete upper plate, and 2 is the reinforcing bar concrete hidden rib, and 3 is shuttering member, and 4 is the upper base of shuttering member 3,5 be shuttering member 3 around sidewall, 6 are thin band, in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, its upper base 4 and accompany thin band 6 on every side in the sidewall 5.
Fig. 2 is the structural representation of the embodiment of the invention 2, and its thin band 6 is formed netted setting each other.
Fig. 3 is the structural representation of the embodiment of the invention 3, and its thin band 6 is for having the metal foil band in hole.
Fig. 4 is the structural representation of the embodiment of the invention 4, and sidewall 5 is extended with toss 7 around it outside all around.
Fig. 5 is the structural representation of the embodiment of the invention 5, and contracting in the sidewall 5 around it has re-entrant angle 8, and cast in place reinforced bar concrete hidden rib 2 promptly becomes the dark rib of I shape.
Fig. 6 is the structural representation of the embodiment of the invention 6, and sidewall 5 bottoms are connected with and go to the bottom 9 around it, and it is gone to the bottom and 9 flushes with sidewall 5 on every side.
Fig. 7 is the structural representation of the embodiment of the invention 7, and it is gone to the bottom and 9 is extended with toss 7 from sidewall 5 four sides on every side.
Fig. 8 is the structural representation of the embodiment of the invention 8, and it goes to the bottom 9 for to have going to the bottom of layer structure 10, and by one deck cementitious matter one deck fleece or gauze wire cloth, one deck cementitious matter multilayer build-up forms again, and diagram fleece or wire lath are two layers.
Fig. 9 is the structural representation of the embodiment of the invention 9, is provided with stiffening rib 12, bracing boom 13 and reinforcing rib 14 in its cavity 11.
Figure 10 is the structural representation of the embodiment of the invention 10, its formwork 15 be by local upper base 4 with local around the local piecemeal 16 that is connected as a single entity of sidewall 5 be fixed on stiffening rib 12 and go to the bottom that assembling combination forms on 9.
Figure 11 is the structural representation of the embodiment of the invention 11, has the steel wire 17 of enhancing and gauze wire cloth 18 to link between its local piecemeal 16.
Figure 12 is the structural representation of the embodiment of the invention 12, and hollow holes 19 outwardly open and the 9 band die cavitys that are communicated with of going to the bottom are arranged on its upper base 4, and Cast-in-place concrete enters in the hollow hole 19 and forms the Cast-in-place concrete short column.
Figure 13 is the structural representation of the embodiment of the invention 13, has in its hollow hole 19 and 9 reinforcing steel bar 20 and the thin bands 6 that are connected and protrude upward of going to the bottom.
Figure 14 is the structural representation of the embodiment of the invention 14, fluted 21 on its shuttering member 3, pothole 22, convex module 23, reveals muscle 24, reveals net 25, reveals thin band 6.
Figure 15 is the structural representation of the embodiment of the invention 15, is filled with light material 26 in its cavity 11.
Figure 16 is the structural representation of the embodiment of the invention 16, and the shuttering member 3 in its superstructure is provided with the pipe 27 and the air chimney 28 of drawing-in wire.
Figure 17 is the structural representation of the embodiment of the invention 17, and it is gone to the bottom and 9 is provided with two formworks 15.
Figure 18 is the structural representation of the embodiment of the invention 18, and its shuttering member 3 is provided with tension align member 29 that connects lower support element and the member 30 of carrying usefulness, and diagram tension align member 29 is a drag hook, and member 30 is suspension ring.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise steel bar concrete upper plate 1, reinforcing bar concrete hidden rib 2, shuttering member 3, shuttering member 3 is horizontal arrangement at interval, reinforcing bar concrete hidden rib 2 is arranged between the adjacent shuttering member 3, steel bar concrete upper plate 1 is positioned on reinforcing bar concrete hidden rib 2 and the shuttering member 3, shuttering member 3 comprises upper base 4, sidewall 5 on every side, it is characterized in that at upper base 4, accompany at least one thin band 6 at least one in the sidewall 5 on every side, at upper base 4, be provided with in stiffening rib 12 or bracing boom 13 or the reinforcing rib 14 at least one in sidewall 5 and 9 cavitys that surround 11 of going to the bottom on every side.Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 is the steel bar concrete upper plate, and 2 is the reinforcing bar concrete hidden rib, and 3 is shuttering member, and 4 is the upper base of shuttering member 3,5 be shuttering member 3 around sidewall, 6 are thin band, in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, its upper base 4 and accompany thin band 6 on every side in the sidewall 5.As shown in Figure 9, be provided with stiffening rib 12, bracing boom 13 and reinforcing rib 14 in its cavity 11.
The present invention is that also thin band 6 is parallel to each other or intersect or form the band net or its combination is provided with.Fig. 2 is the structural representation of the embodiment of the invention 2, and its thin band 6 is formed netted setting each other.
The present invention is that also thin band 3 is for having hole or seam or groove or sour jujube head or band concavo-convex or impression or hair sour jujube.
The present invention is that also thin band 3 is for having the compound metal tape more than at least two kinds in hole or seam or groove or sour jujube head or concavo-convex or impression or the hair sour jujube.Fig. 3 is the structural representation of the embodiment of the invention 3, and its thin band 6 is for having the metal foil band in hole.
The present invention is that also thin band 3 is for having concavo-convex porose band.
The present invention is that also thin band 3 is braid over braid.
The present invention is that also thin band 3 is strap.
The present invention is that also thin band 3 is sandwich tape.
The present invention is also on every side that sidewall 5 is following protruding toss 7, or inwardly contracts re-entrant angle 8 is arranged.Fig. 4 is the structural representation of the embodiment of the invention 4, and sidewall 5 is extended with toss 7 around it outside all around.Fig. 5 is the structural representation of the embodiment of the invention 5, and contracting in the sidewall 5 around it has re-entrant angle 8, and cast in place reinforced bar concrete hidden rib 2 promptly becomes the dark rib of I shape.
The present invention is also that sidewall 5 bottoms are connected with on every side and goes to the bottom 9, goes to the bottom 9 to flush with sidewall 5 on every side or at least one side is extended with toss 7.Fig. 6 is the structural representation of the embodiment of the invention 6, and sidewall 5 bottoms are connected with and go to the bottom 9 around it, and it is gone to the bottom and 9 flushes with sidewall 5 on every side.Fig. 7 is the structural representation of the embodiment of the invention 7, and it is gone to the bottom and 9 is extended with toss 7 from sidewall 5 four sides on every side.
The present invention also is upper base 4, sidewall 5 or go to the bottom and 9 be the upper base of layer structure 10, sidewall or go to the bottom on every side on every side, layer structure 10 is by the glued bed of material of one deck, one deck fleece or cloth or wire lath, the glued bed of material of one deck again, one deck fleece or cloth or wire lath again, the glued bed of material of one deck again, overlapping gluing like this forms, and fleece or cloth or wire lath are at least more than one deck.Fig. 8 is the structural representation of the embodiment of the invention 8, and it goes to the bottom 9 for to have going to the bottom of layer structure 10, and by one deck cementitious matter one deck fleece or gauze wire cloth, one deck cementitious matter multilayer build-up forms again, and diagram fleece or wire lath are two layers.
The present invention also is the band net that thin band 6 is formed for flat band.As Fig. 1, Fig. 2, Fig. 4, shown in Figure 7, the band net that thin band 6 is formed for flat band.
The present invention also be by the formwork 15 that upper base 4 and sidewall 5 on every side surround be by local upper base 4 with local around the local piecemeal 16 that is connected as a single entity of sidewall 5 be fixed on stiffening rib 12 and go to the bottom that assembling combination forms on 9.Figure 10 is the structural representation of the embodiment of the invention 10, its formwork 15 be by local upper base 4 with local around the local piecemeal 16 that is connected as a single entity of sidewall 5 be fixed on stiffening rib 12 and go to the bottom that assembling combination forms on 9.
The present invention also is to have between the described local piecemeal 16 at least one binding in thin band 6 or enhancing steel wire 17 or the gauze wire cloth 18.Figure 11 is the structural representation of the embodiment of the invention 11, has the steel wire 17 of enhancing and gauze wire cloth 18 to link between its local piecemeal 16.
The present invention also is upper base 4 or sidewall 5 or hollow holes 19 outwardly open and the 9 band die cavitys that are communicated with of going to the bottom are arranged among both on every side.Figure 12 is the structural representation of the embodiment of the invention 12, and hollow holes 19 outwardly open and the 9 band die cavitys that are communicated with of going to the bottom are arranged on its upper base 4, and Cast-in-place concrete enters in the hollow hole 19 and forms the Cast-in-place concrete short column.
The present invention also is to have in the hole 19 and 9 reinforcing steel bar 20 or the thin bands 6 that are connected and protrude upward of going to the bottom.Figure 13 is the structural representation of the embodiment of the invention 13, has in its hollow hole 19 and 9 reinforcing steel bar 20 and the thin bands 6 that are connected and protrude upward of going to the bottom.
The present invention also be upper base 4 or on every side fluted 21, pothole 22, convex module 23 of sidewall 5 or the two external surface, reveal muscle 24, reveal net 25, reveal at least one in the thin band 6.Figure 14 is the structural representation of the embodiment of the invention 14, fluted 21 on its shuttering member 3, pothole 22, convex module 23, reveals muscle 24, reveals net 25, reveals thin band 6.
The present invention also is at upper base 4, is filled with light material 26 in sidewall 5 and 9 cavitys that surround 11 of going to the bottom on every side.Figure 15 is the structural representation of the embodiment of the invention 15, is filled with light material 26 in its cavity 11.
The present invention is that also shuttering member 3 is provided with the pipe 27 or the air chimney 28 of drawing-in wire.Figure 16 is the structural representation of the embodiment of the invention 16, and the shuttering member 3 in its superstructure is provided with the pipe 27 and the air chimney 28 of drawing-in wire.
The present invention also is to go to the bottom and 9 is provided with at least two by the upper plate 1 and the formwork 15 of the cavity 11 that surrounds of sidewall 2 on every side.Figure 17 is the structural representation of the embodiment of the invention 17, and it is gone to the bottom and 9 is provided with two formworks 15.
The present invention is that also shuttering member 3 is provided with tension align member 29 that connects lower support element or the member 30 of carrying usefulness.Figure 18 is the structural representation of the embodiment of the invention 18, and its shuttering member 3 is provided with tension align member 29 that connects lower support element and the member 30 of carrying usefulness, and diagram tension align member 29 is a drag hook, and member 30 is suspension ring.
The present invention as shown in drawings, comprise upper base 4, sidewall 5 on every side, it is characterized in that at upper base 4, accompany at least one thin band 6 at least one in the sidewall 5 on every side, at upper base 4, be provided with in stiffening rib 12 or bracing boom 13 or the reinforcing rib 14 at least one in sidewall 5 and 9 cavitys that surround 11 of going to the bottom on every side.Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 is the steel bar concrete upper plate, and 2 is the reinforcing bar concrete hidden rib, and 3 is shuttering member, and 4 is the upper base of shuttering member 3,5 be shuttering member 3 around sidewall, 6 are thin band, in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, its upper base 4 and accompany thin band 6 on every side in the sidewall 5.As shown in Figure 9, be provided with stiffening rib 12, bracing boom 13 and reinforcing rib 14 in its cavity 11.
During the invention process, make earlier shuttering member 3, superstructure lower support and template are laid shuttering member 3, lay the reinforcing bar of reinforcing bar concrete hidden rib 2 and steel bar concrete upper plate 1, checks errorless after, water concrete, maintenance is to stipulating the length of time, dismounting superstructure lower support, the demoulding gets final product.