A kind of cast-in-place concrete cored
(1) technical field
The present invention relates to a kind of cast-in-place concrete cored.
(2) background technology
The most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as cast-in-place concrete cored plate at present, this cast-in-place concrete cored plate 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 phenomenons such as 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 cast-in-place concrete cored plate " 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, the cast-in-place concrete cored plate of this kind no longer needs to use in a large number template, accelerate speed of application, shortened the duration, thereby reduced cost.But, the lower shoe of this cast-in-place concrete cored plate is a prefabricated plate, has the amalgamation seam each other, and globality is poor, if lower shoe adopts the cast-in-situ reinforced concrete plate, though good integrity, the problem that does not exist amalgamation to stitch, construction is inconvenient, the Cast-in-place concrete leakiness, be prone to problems such as voids and pits, therefore, develop a kind of novel cast-in-place concrete cored 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-place concrete coredly, have good overall performance, and easy construction, construction cost is low, construction quality good.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, shuttering member, shuttering member is wrapped up in and is contained in the steel bar concrete, shuttering member alternately, be the cast-in-situ reinforced concrete rib each other, it on it cast-in-situ reinforced concrete upper plate, it is the cast-in-situ reinforced concrete lower plate down, shuttering member comprises upper plate, sidewall on every side, upper plate, sidewall surrounds uncovered basin-shaped component on every side, the upper plate middle part that it is characterized in that described basin-shaped component has a upper plate skylight, and side wall lower ends has built on stilts pin on every side, and sidewall forms the built on stilts pin of the passage of Cast-in-place concrete on every side.Like this, when sidewall has built on stilts pin around described, can from the skylight, pour into Cast-in-place concrete and form the Cast-in-place concrete thin plate, the built on stilts pin of side wall lower ends can support shuttering member apart from the construction formwork certain distance on every side, guarantee that Cast-in-place concrete can flow, form whole Cast-in-place concrete lower plate, made things convenient for construction application, improved operating efficiency, thereby reached purpose of the present invention, the hollow building cover, roof system, body of wall, sole plate and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are particularly useful for hollow arch without beam and use.
The present invention also is do not have the cast in place reinforced bar upper plate, the upper surface of upper plate and cast-in-place concrete cored upper surface flush on the upper plate of described shuttering member.Like this, when not having the cast in place reinforced bar upper plate on the upper plate of shuttering member, making the cast-in-place concrete cored top that formed is the two way ribbed slab of prefabricated plate, and whole compressive strength is good, has improved cast-in-place concrete cored supporting capacity.
The present invention is that also the bottom of described shuttering member does not have the cast-in-situ reinforced concrete lower plate.Like this, when the bottom of shuttering member does not have the cast-in-situ reinforced concrete lower plate, make the cast-in-place concrete cored open two way ribbed slab in bottom that formed, whole compressive strength is good, has improved cast-in-place concrete cored supporting capacity.
The present invention also is do not have the cast in place reinforced bar upper plate on the upper plate of described shuttering member, the upper surface of upper plate and cast-in-place concrete cored upper surface flush, and the bottom of shuttering member does not have the cast-in-situ reinforced concrete lower plate.Like this, when the upper plate of shuttering member on do not have the cast in place reinforced bar upper plate, the upper surface of upper plate and cast-in-place concrete cored upper surface flush, when the bottom of shuttering member does not have the cast-in-situ reinforced concrete lower plate, the cast-in-place concrete cored in-situ deposited prefabricated superimposed sheet of two-way rib structure that formed, reduce the consumption of Cast-in-place concrete significantly, reduced cast-in-place concrete cored deadweight, improved cast-in-place concrete cored supporting capacity.
Feature of the present invention is that also described built on stilts pin is arranged on the rotation angle position of sidewall on every side.Like this, when built on stilts pin was arranged on the rotation angle position of sidewall on every side, built on stilts pin was positioned at the not yielding snap of shuttering member, can support adjacent two simultaneously around sidewall, increased substantially the enabling capabilities and the supporting role of built on stilts pin.
Feature of the present invention is that also described built on stilts pin is arranged on the middle part of sidewall on every side.Like this, when built on stilts pin was arranged on the middle part of sidewall on every side, built on stilts pin can not hinder the laying of preburied components such as reinforcing bar and other preheating embedding line, has made things convenient for construction application, has reduced difficulty of construction, has improved efficiency of construction.
Feature of the present invention is that also described built on stilts pin links to each other with reinforcing rib on the sidewall on every side.Like this, when built on stilts pin when reinforcing rib on the sidewall on every side links to each other, the stress that the shuttering member bearing load is produced can successfully upload to from reinforcing rib and make somebody a mere figurehead on the pin, improved the stability between built on stilts pin and the shuttering member, make it survivable, reduced loss, saved cost.
Feature of the present invention is that also the reinforcing rib that described built on stilts pin and sidewall epirelief on every side go out links to each other.Like this, when the reinforcing rib that goes out when built on stilts pin and sidewall epirelief on every side linked to each other, the stress that the shuttering member bearing load is produced can successfully upload to from reinforcing rib and make somebody a mere figurehead on the pin, improved the stability between built on stilts pin and the shuttering member, make it survivable, reduced loss, saved cost.
Feature of the present invention is that also described built on stilts pin links to each other with last plate support.Like this, when built on stilts pin linked to each other with last plate support, built on stilts pin had been connected to form whole primary structure member by support member and upper plate, has improved the globality of shuttering member, makes it not fragile, has reduced the proportion of goods damageds of shuttering member, has saved cost.
Feature of the present invention is that also described built on stilts pin links to each other with U-shaped reinforcing rib on the sidewall on every side.Like this, when built on stilts pin linked to each other with U-shaped reinforcing rib on the sidewall on every side, the stress that the shuttering member bearing load is produced can successfully upload on the built on stilts pin from reinforcing rib, improved the stability between built on stilts pin and the shuttering member, make it survivable, reduced loss, saved cost.
Feature of the present invention also be described built on stilts pin with sidewall on every side or go up strength bar in the plate support, net links to each other.When built on stilts pin with sidewall on every side or go up strength bar in the plate support, when net links to each other, built on stilts pin is with sidewall or the interior strength bar of last plate support, net have formed integral body on every side, built on stilts pin is when supporting shuttering member, also on reinforcing rib on the sidewall on every side or the upper plate support member in reinforcing bar or steel mesh reinforcement support, make it be difficult for deformation failure, reduce the proportion of goods damageds of shuttering member, saved cost.
Feature of the present invention also be on reinforcing rib on described built on stilts pin and the sidewall on every side or the upper plate support member in reinforcing bar or steel mesh reinforcement link to each other.When on reinforcing rib on built on stilts pin and the sidewall on every side or the upper plate support member in reinforcing bar or steel mesh reinforcement when linking to each other, on reinforcing rib on built on stilts pin and the sidewall on every side or the upper plate support member in reinforcing bar or steel mesh reinforcement formed integral body, built on stilts pin is when supporting shuttering member, also on reinforcing rib on the sidewall on every side or the upper plate support member in reinforcing bar or steel mesh reinforcement support, make it be difficult for deformation failure, reduce the proportion of goods damageds of shuttering member, saved cost.
Feature of the present invention is that also described built on stilts pin links to each other with concrete backstop or retaining grid.Like this, when built on stilts pin linked to each other with concrete backstop or retaining grid, built on stilts pin and concrete backstop or retaining grid had formed integral body, built on stilts pin also supports concrete backstop or retaining grid when shuttering member is supported, makes it be difficult for deformation failure, reduce the proportion of goods damageds of shuttering member, saved cost.
The present invention also is describedly to contain presstressed reinforcing steel in cast-in-place concrete cored.Like this, the setting of prestressed reinforcement can improve cast-in-place concrete cored supporting capacity greatly, and increases cast-in-place concrete cored span.
The present invention also is describedly to contain reinforcing bar in cast-in-place concrete cored.Reinforcing bar can be cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member.Like this, can improve cast-in-place concrete cored supporting capacity significantly, simultaneously, reinforcing bar is implied in that corresponding in the concrete to form no beam cast-in-place concrete cored.
The present invention also is describedly also to be provided with dark beam or/and bright beam in cast-in-place concrete cored.Like this, cast-in-place concrete cored mechanical property is better, helps that local pressure in cast-in-place concrete cored is increased the district and strengthens; When being provided with dark beam, can strengthen cast-in-place concrete cored mechanical property, simultaneously, dark beam lies in the cast-in-situ concrete hollow intralamellar part, it is attractive in appearance not influence cast-in-place concrete cored external structure, does not take the usage space of building during use, can more effectively improve the usage space of building.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is the structural representation of the embodiment of the invention 4.
Fig. 5 is the structural representation of the embodiment of the invention 5.
Fig. 6 is the structural representation of the embodiment of the invention 6.
Fig. 7 is the structural representation of the embodiment of the invention 7.
Fig. 8 is the structural representation of the embodiment of the invention 8.
(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 1, shuttering member 2, shuttering member 2 is wrapped up in and is contained in the steel bar concrete 1, shuttering member 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, it on it cast-in-situ reinforced concrete upper plate 4, it is cast-in-situ reinforced concrete lower plate 5 down, shuttering member 2 comprises upper plate 6, sidewall 7 on every side, upper plate 6, sidewall 7 surrounds uncovered basin-shaped component on every side, upper plate 6 middle parts that it is characterized in that described basin-shaped component have a upper plate skylight 56, and there is built on stilts pin 51 sidewall 7 lower ends on every side, and sidewall 7 forms the built on stilts pin 51 of the passage of Cast-in-place concrete on every side.In each accompanying drawing, 1 is steel bar concrete, and 2 is shuttering member, and 3 is the cast-in-situ reinforced concrete rib, and 4 is the cast-in-situ reinforced concrete upper plate, and 5 is the cast-in-situ reinforced concrete lower plate, and 6 is upper plate, 7 be around sidewall, 8 is through-hole pipe, 9 is removable cover, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, cast-in-place concrete cored steel bar concrete 1, the shuttering member 2 of comprising, shuttering member 2 is wrapped up in and is contained in the steel bar concrete 1, shuttering member 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, it on it cast-in-situ reinforced concrete upper plate 4, it is cast-in-situ reinforced concrete lower plate 5 down, shuttering member 2 comprises upper plate 6, sidewall 7 on every side, upper plate 6, sidewall 7 surrounds uncovered basin-shaped component on every side, upper plate 6 middle parts of its described basin-shaped component have a upper plate skylight 56, and there is built on stilts pin 51 sidewall 7 lower ends on every side, and sidewall 7 forms the built on stilts pin 51 of the passage of Cast-in-place concrete on every side.
The present invention also is do not have cast in place reinforced bar upper plate 4, the upper surface of upper plate 6 and cast-in-place concrete cored upper surface flush on the upper plate 6 of described shuttering member 2.As shown in Figure 7, there is not cast in place reinforced bar upper plate 4 on the upper plate 6 of its described shuttering member 2, the upper surface of upper plate 6 and cast-in-place concrete cored upper surface flush.
The present invention is that also described built on stilts pin 51 is arranged on the rotation angle position of sidewall 7 on every side.As shown in Figure 1, its described built on stilts pin 51 is arranged on the rotation angle position of sidewall 7 on every side.
The present invention is that also described built on stilts pin 51 is arranged on the middle part of sidewall 7 on every side.As shown in Figure 2, its described built on stilts pin 51 is arranged on the middle part of sidewall 7 on every side.
The present invention is that also described built on stilts pin 51 links to each other with reinforcing rib 12 on the sidewall 7 on every side.As shown in Figure 3, its described built on stilts pin 51 links to each other with reinforcing rib 12 on the sidewall 7 on every side.
The present invention is that also the reinforcing rib that protrudes on described built on stilts pin 51 and the sidewall 7 on every side links to each other.As shown in Figure 3, the reinforcing rib that protrudes on its described built on stilts pin 51 and the sidewall 7 on every side links to each other.
The present invention is that also described built on stilts pin 51 links to each other with upper plate 6 support members 74.As shown in Figure 4, its described built on stilts pin 51 links to each other with upper plate 6 support members 74.
The present invention is that also described built on stilts pin 51 links to each other with U-shaped reinforcing rib 12 on the sidewall 7 on every side.As shown in Figure 5, its described built on stilts pin 51 links to each other with U-shaped reinforcing rib 12 on the sidewall 7 on every side.
The present invention also is described built on stilts pin 51 and sidewall 7 or upper plate 6 support members 74 interior strength bar, net link to each other on every side.As shown in Figure 3, its described built on stilts pin 51 is with sidewall 7 or upper plate 6 support members 74 interior strength bar link to each other on every side.
The present invention also be on reinforcing rib on described built on stilts pin 51 and the sidewall 7 on every side or the upper plate 6 support member 74 in reinforcing bars 48 or steel mesh reinforcement link to each other.As shown in Figure 3, reinforcing bar 48 links to each other in the reinforcing rib on its described built on stilts pin 51 and the sidewall 7 on every side.
The present invention is that also described built on stilts pin 51 links to each other with concrete backstop 45 or retaining grid 46.As shown in Figure 6, its described built on stilts pin 51 links to each other with concrete backstop 45.As shown in Figure 7, its described built on stilts pin 51 links to each other with concrete retaining grid 46.
The present invention also is describedly to contain presstressed reinforcing steel 75 in cast-in-place concrete cored.As shown in Figure 1, it describedly contains presstressed reinforcing steel 75 in cast-in-place concrete cored.
The present invention also is describedly to contain reinforcing bar 76 in cast-in-place concrete cored.As shown in Figure 8, it describedly contains reinforcing bar 76 in cast-in-place concrete cored.
The present invention also is describedly also to be provided with dark beam 77 or/and bright beam 78 in cast-in-place concrete cored.As shown in Figure 8, it describedly also is provided with dark beam 77 and bright beam 78 in cast-in-place concrete cored.
During the invention process, press earlier construction requirement mounting bracket or template, lay shuttering member 2, re-lay the reinforcing bar of reinforcing bar or dark beam 77 or bright beam 78, and various steel pipe buried in advance spare, pour concrete after the acceptance(check), after treating the concrete setting and harden, maintenance is to stipulating the length of time that form removal promptly gets cast-in-place concrete cored.