CN100560892C - A kind of steel bar reinforced hollow concrete roof cast-in-situs - Google Patents
A kind of steel bar reinforced hollow concrete roof cast-in-situs Download PDFInfo
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- CN100560892C CN100560892C CNB2006100929013A CN200610092901A CN100560892C CN 100560892 C CN100560892 C CN 100560892C CN B2006100929013 A CNB2006100929013 A CN B2006100929013A CN 200610092901 A CN200610092901 A CN 200610092901A CN 100560892 C CN100560892 C CN 100560892C
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- hollow section
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Abstract
A kind of steel bar reinforced hollow concrete roof cast-in-situs, comprise steel bar concrete (1), hollow section (2), hollow section (2) is embedded in the steel bar concrete (1), the plug (3) that seals at the two ends of hollow section (2) forms enclosed cavity (4) with hollow section (2) sealing, the plug (3) that seals that it is characterized in that at least one end of hollow section (2) is provided with the docking facilities (5) that connects the location between the hollow section (2), be filled with lightweight filler (15) in the cavity (4) of hollow section (2), the lightweight filler is expanded perlite, expanded vermiculite, foamed plastics, aerating concrete or haydite.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.
Description
The application for the applying date be that February 26, application number in 2003 are 03118108.2, name is called the dividing an application of application for a patent for invention of " a kind of steel bar reinforced hollow concrete roof cast-in-situs ".
(1) technical field
The present invention relates to a kind of steel bar reinforced hollow concrete roof cast-in-situs.
(2) background technology
At present, the most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as floor structure, and this floor structure has advantages such as speed of application is fast, cost is low.But, only use the cement mortar joint filling, thereby globality is poor, is unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur owing to firmly do not link between adjacent two precast hollow slabs.For addressing the above problem, a lot of building have adopted the method for Cast-in-place Concrete Building Floor (solid, hollow), have solved problems such as antidetonation, cracking, infiltration preferably, but this class floor construction relative difficult, and cost is higher relatively.Along with Building technology and expanding economy, the quality of building to be had higher requirement, most Cast-in-place Concrete Building Floor has all adopted the cast-in-situ concrete hollow floor technology.And the one-tenth pole in the cast-in-situ hollow building roof is permanent core, as paper tube, plastic pipe, metal bellows, core light material, horniness thin-walled tube etc.These tubular core molds or member are mainly considered the concrete of finding time, and alleviate superstructure weight.It as the patent No. 99232921.3 cast-in-place reinforced concrete filling thin wall cylinder, it is made up of horniness thin-walled tube and two ends plug, two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends, and the cross section of horniness thin-walled tube and plug shape can be circle, square, trapezoidal or other is special-shaped.During application, this hollow section is embedded in the steel bar concrete, promptly forms cast-in-situ concrete hollow floor.And for example the patent No. of applicant's application is that ZL99232922.1, name are called " thin-wall hollow roof in-situ deposited with concrete ", it is made up of steel bar concrete and thin wall cylinder noggin piece; the thin wall cylinder noggin piece is embedded in the steel bar concrete; described thin-wall tube member is made up of horniness thin-walled tube and plug, and two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends.During this class cast-in-situ concrete hollow floor construction; be easy to generate displacement or dislocation between the hollow section body each other; lay inconvenient; be prone to phenomenons such as Cast-in-place concrete rib width between the tube and tube is inconsistent, the outer concrete cover variable thickness of pipe causes; thereby influence the total quality and the stress performance of cast-in-situ concrete hollow floor; increase difficulty of construction, therefore, develop a kind of novel steel bar reinforced hollow concrete roof cast-in-situs for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of steel bar reinforced hollow concrete roof cast-in-situs, have body lay convenient, do not produce displacement or dislocation, construction easily, characteristics such as total quality is good.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, hollow section, hollow section is embedded in the steel bar concrete, the plug that seals at the two ends of hollow section forms enclosed cavity with the hollow section sealing, the plug that seals that it is characterized in that at least one end of hollow section is provided with the docking facilities that connects the location between the hollow section, be filled with the lightweight filler in the cavity of hollow section, the lightweight filler is expanded perlite, expanded vermiculite, foamed plastics, aerating concrete or haydite.Like this, when steel bar reinforced hollow concrete roof cast-in-situs is constructed, the docking facilities that is connected the location is arranged between hollow section and the hollow section, thereby the body laying is easy to connect, can not produce displacement or dislocation each other, and construction easily, phenomenons such as Cast-in-place concrete rib width between the tube and tube is inconsistent, the outer concrete cover variable thickness of pipe causes can not appear, guarantee the total quality of steel bar reinforced hollow concrete roof cast-in-situs, satisfied the requirement of superstructure stress performance, reduced construction cost; The lightweight filler can be expanded perlite, expanded vermiculite, foamed plastics, aerating concrete, haydite, haydite concrete etc.Like this, the insulation of superstructure, heat insulation, sound insulation value is better, thereby reached purpose of the present invention.
The docking facilities that feature of the present invention also is between the hollow section to connect the location be seal the butt hole that is provided with on the plug or with the corresponding latch that is connected of butt hole.
The docking facilities that feature of the present invention also is between the hollow section to connect the location be seal the butt joint hole that is provided with on the plug or with the corresponding latch that is connected in butt joint hole.Like this, during floor construction, by butt hole, hole and be connected latch and can couple together easily, construction easily between the hollow section.
Feature of the present invention is that also the docking facilities that connects the location between the hollow section is fixing or movable hoop.Like this, during floor construction, insert hoop by pipe end between the hollow section, perhaps can couple together easily each other in the hoop insertion tube, and construction is simple.
The docking facilities that feature of the present invention also is between the hollow section to connect the location is at least one of sealing in projection on the plug, raised line, pothole, the groove.Like this, during floor construction, by the projection of pipe end, pothole or the groove that raised line inserts another pipe end, can connect the location easily each other between the hollow section, help reducing the construction cost of superstructure.
Feature of the present invention is that also the docking facilities of connection location between the hollow section is at least one in nut or the screw rod.Like this, during floor construction, the screw rod of a hollow pipe end and the nut of another hollow pipe end screw, and can realize connecting the location easily, and construction are simple.
Feature of the present invention is that also connecting the docking facilities of locating between the hollow section is at least one of sealing in iron wire, reinforcing bar or the rope that is provided with on the plug.Like this, during floor construction, by the connection of iron wire, reinforcing bar or rope, can realize connecting the location easily between the hollow section, accelerate speed of application, reduce construction cost.
Feature of the present invention also is to be provided with stiffener in the cavity of described hollow section, and stiffener is stiffening rib, bracing boom, stiffening ring, in the net of putting more energy at least one.Like this, during floor construction, it is convenient that hollow section not only connects the location each other, and intensity own is higher, and the stressed and transmission force property of corresponding superstructure is better.Also reveal rib, reveal muscle, reveal net or reveal bar as hollow section, bonding better then and between the Cast-in-place concrete, the globality of superstructure is higher.
Feature of the present invention also is to be provided with stiffener in the cavity of described hollow section, and stiffener is the sandwich stiffening rib.
Feature of the present invention is that also hollow section is provided with the fixed limit device.The fixed limit device can be steel wire, iron wire, reinforcing bar or rope.Like this, during floor construction,, can prevent hollow section come-up when cast simultaneously, make the construction of superstructure easier, convenient firmly with the hollow section location because the fixed limit device is set.
Feature of the present invention also is to be filled with the lightweight filler in the cavity of hollow section.The lightweight filler can be expanded perlite, expanded vermiculite, foamed plastics, aerating concrete, haydite, haydite concrete etc.Like this, the insulation of superstructure, heat insulation, sound insulation value is better.
Feature of the present invention also is the body of hollow section or seals in the plug or both are provided with stiffener simultaneously that stiffener is at least one in reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, the fiber.Like this, the intensity of hollow section is higher, if also have appearing of stiffener on the body of hollow section simultaneously, then more firm with the bonding of Cast-in-place concrete, globality is better, and intensity is higher, and the mechanical property of corresponding superstructure also is improved and improves.
Feature of the present invention also is the body of hollow section or seals in the plug or both are provided with stiffener simultaneously that stiffener is fleece or cloth.
Feature of the present invention also is the body of hollow section or seals in the plug or both are provided with stiffener simultaneously that stiffener is the metal foil band.
Feature of the present invention also is the body of hollow section or seals in the plug or both are provided with stiffener simultaneously that stiffener is a strap.
Feature of the present invention also is the body of hollow section or seals in the plug or both are provided with stiffener simultaneously that stiffener is a braid over braid.
Feature of the present invention also is to also have simultaneously on the hollow section stiffener to expose with Cast-in-place concrete and is bonded to integral body.
(4) description of drawings
Fig. 1 is the structural representation of embodiments of the invention 1.In each accompanying drawing, 1 is steel bar concrete, and 2 is hollow section, 3 is the plug at hollow section 2 two ends, and 4 is the enclosed cavity in the hollow section 2,5 docking facilitiess that connect the location between the hollow section 2 that is provided with on the plug 3 that seal for hollow section 2, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, the plug 3 that seals of the hollow section in the superstructure 2 is provided with the docking facilities 5 that connects the location between the hollow section 2.
Fig. 2 is the structural representation of embodiments of the invention 2, its docking facilities 5 for seal the hole that is provided with on the plug 3, hole 6 with butt hole, the hole 6 corresponding latches 7 that are connected.
Fig. 3 is the structural representation of embodiments of the invention 3, and its docking facilities 5 is a hoop 8, is illustrated as movable hoop.
Fig. 4 is the structural representation of embodiments of the invention 4, and its docking facilities 5 is projection 9 and pothole 10.
Fig. 5 is the structural representation of embodiments of the invention 5, and its docking facilities 5 is nut 11 and screw rod 12.
Fig. 6 is the structural representation of embodiments of the invention 6, and its docking facilities 5 is for sealing the iron wire that is provided with on the plug 3.
Fig. 7 is the structural representation of embodiments of the invention 7, is provided with the stiffener 13 of forms such as stiffening rib, bracing boom, stiffening ring in the cavity 4 of its hollow section 2.
Fig. 8 is the structural representation of embodiments of the invention 8, and its hollow section 2 is provided with fixed limit device 14, and fixed limit device 14 is illustrated as projection, also can be protruding nail, bar dowel, raised line etc.
Fig. 9 is the structural representation of embodiments of the invention 9, is filled with lightweight filler 15 in the cavity 4 of its hollow section 2, is illustrated as expanded perlite.
Figure 10 is the structural representation of embodiments of the invention 10, is provided with steel wire and metal foil band stiffener 16 in the body of its hollow section 2, also has reinforcing bar stiffener 16 to expose with Cast-in-place concrete simultaneously on the hollow section 2 and is bonded to integral body.
(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, hollow section 2, hollow section 2 is embedded in the steel bar concrete 1, the plug 3 that seals at the two ends of hollow section 2 forms enclosed cavity 4 with hollow section 2 sealings, the plug 3 that seals that it is characterized in that at least one end of hollow section 2 is provided with the docking facilities 5 that connects the location between the hollow section 2, be filled with lightweight filler 15 in the cavity 4 of hollow section 2, the lightweight filler is expanded perlite, expanded vermiculite, foamed plastics, aerating concrete or haydite.Fig. 1 is the structural representation of embodiments of the invention 1.In each accompanying drawing, 1 is steel bar concrete, and 2 is hollow section, 3 is the plug at hollow section 2 two ends, and 4 is the enclosed cavity in the hollow section 2,5 docking facilitiess that connect the location between the hollow section 2 that is provided with on the plug 3 that seal for hollow section 2, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, the plug 3 that seals of the hollow section in the superstructure 2 is provided with the docking facilities 5 that connects the location between the hollow section 2.As shown in Figure 9, be filled with light material in the hollow section 2, light material is an expanded perlite.
The docking facilities 5 that the present invention also is between the hollow section 2 to connect the location for seal the butt hole that is provided with on the plug 3 or with the corresponding latch 7 that is connected of butt hole.
The docking facilities 5 that the present invention also is between the hollow section 2 to connect the location for seal the butt joint hole 6 that is provided with on the plug 3 or with the butt joint hole 6 corresponding latches 7 that are connected.Fig. 2 is the structural representation of embodiments of the invention 2, its docking facilities 5 for seal the hole that is provided with on the plug 3, hole 6 with butt hole, the hole 6 corresponding latches 7 that are connected.
The present invention is that also the docking facilities 5 that connects the location between the hollow section 2 is fixing or movable hoop 8.Fig. 3 is the structural representation of embodiments of the invention 3, and its docking facilities 5 is a hoop 8, is illustrated as movable hoop.
The docking facilities 5 that the present invention also is between the hollow section 2 to connect the location is for sealing at least one in projection on the plug 3, raised line 9, pothole, the groove 10.Fig. 4 is the structural representation of embodiments of the invention 4, and its docking facilities 5 is projection 9 and pothole 10.
The present invention is that also the docking facilities 5 of connection location between the hollow section 2 is at least one in nut 11 or the screw rod 12.Fig. 5 is the structural representation of embodiments of the invention 5, and its docking facilities 5 is nut 11 and screw rod 12.
The present invention also is to connect between the hollow section 2 docking facilities 5 of location for sealing at least one in iron wire, reinforcing bar or the rope that is provided with on the plug 3.Fig. 6 is the structural representation of embodiments of the invention 6, and its docking facilities 5 is for sealing the iron wire that is provided with on the plug 3.
The present invention also is to be provided with stiffener 13 in the cavity 4 of described hollow section 2, and stiffener 13 is in stiffening rib, bracing boom, stiffening ring, the net of putting more energy at least one.Fig. 7 is the structural representation of embodiments of the invention 7, is provided with the stiffener 13 of forms such as stiffening rib, bracing boom, stiffening ring in the cavity 4 of its hollow section 2.
The present invention also is to be provided with stiffener 13 in the cavity 4 of described hollow section 2, and stiffener 13 is the sandwich stiffening rib.
The present invention is that also hollow section 2 is provided with fixed limit device 14.Fig. 8 is the structural representation of embodiments of the invention 8, and its hollow section 2 is provided with fixed limit device 14, and fixed limit device 14 is illustrated as projection, also can be protruding nail, bar dowel, raised line etc.
The present invention also is to be filled with lightweight filler 15 in the cavity 4 of hollow section 2.Fig. 9 is the structural representation of embodiments of the invention 9, is filled with lightweight filler 15 in the cavity 4 of its hollow section 2, is illustrated as expanded perlite.
The present invention also is the body of hollow section 2 or seals in the plug 3 or both are provided with stiffener 16 simultaneously that stiffener 16 is at least one in reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, the fiber.Figure 10 is the structural representation of embodiments of the invention 10, is provided with steel wire and metal foil band stiffener 16 in the body of its hollow section 2, also has reinforcing bar stiffener 16 to expose with Cast-in-place concrete simultaneously on the hollow section 2 and is bonded to integral body.
The present invention also is the body of hollow section 2 or seals in the plug 3 or both are provided with stiffener 16 simultaneously that stiffener 16 is fleece or cloth.
The present invention also is the body of hollow section 2 or seals in the plug 3 or both are provided with stiffener 16 simultaneously that stiffener 16 is the metal foil band.
The present invention also is the body of hollow section 2 or seals in the plug 3 or both are provided with stiffener 16 simultaneously that stiffener 16 is a strap.
The present invention also is the body of hollow section 2 or seals in the plug 3 or both are provided with stiffener 16 simultaneously that stiffener 16 is a braid over braid.
The present invention also is to also have simultaneously on the hollow section 2 stiffener 16 to expose with Cast-in-place concrete and is bonded to integral body.
During the invention process, can make the hollow section 2 of plug 3 band docking facilitiess 5 earlier, a superstructure template, lay the Cast-in-place concrete rib steel muscle between superstructure lower bottom part reinforcing bar and the hollow section 2, lay hollow section 2, re-lay the superstructure upper reinforcement, check errorless rear pouring concrete, maintenance is to stipulating the length of time that the demoulding gets final product.
Claims (16)
1, a kind of steel bar reinforced hollow concrete roof cast-in-situs, comprise steel bar concrete (1), hollow section (2), hollow section (2) is embedded in the steel bar concrete (1), the plug (3) that seals at the two ends of hollow section (2) forms enclosed cavity (4) with hollow section (2) sealing, the plug (3) that seals that it is characterized in that at least one end of hollow section (2) is provided with the docking facilities (5) that connects the location between the hollow section (2), be filled with lightweight filler (15) in the cavity (4) of hollow section (2), the lightweight filler is expanded perlite, expanded vermiculite, foamed plastics, aerating concrete or haydite.
2, steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, the docking facilities (5) that it is characterized in that between the hollow section (2) connecting the location for the butt hole that seals setting plug (3) on or with the corresponding latch (7) that is connected of butt hole.
3, steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, the docking facilities (5) that it is characterized in that between the hollow section (2) connecting the location for seal the butt joint hole (6) that is provided with plug (3) on or with dock the corresponding latch (7) that is connected in hole (6).
4, steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that the docking facilities (5) that connects the location between the hollow section (2) is fixing or movable hoop (8).
5, steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, the docking facilities (5) that it is characterized in that between the hollow section (2) connecting the location is for sealing at least one in projection on the plug (3), raised line (9), pothole, the groove (10).
6, steel bar reinforced hollow concrete roof cast-in-situs according to claim 1, the docking facilities (5) that it is characterized in that connection location between the hollow section (2) are at least one in nut (11) or the screw rod (12).
7, steel bar reinforced hollow concrete roof cast-in-situs according to claim 1 is characterized in that connecting between the hollow section (2) docking facilities (5) of location for sealing at least one in iron wire, reinforcing bar or the rope that is provided with on the plug (3).
8, according to the described steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 1 to 7, it is characterized in that being provided with stiffener (13) in the cavity (4) of described hollow section (2), stiffener (13) is stiffening rib, bracing boom, stiffening ring, in the net of putting more energy at least one.
9, according to the described steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 1 to 7, it is characterized in that being provided with stiffener (13) in the cavity (4) of described hollow section (2), stiffener (13) is the sandwich stiffening rib.
10,, it is characterized in that hollow section (2) is provided with fixed limit device (14) according to the described steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 1 to 7.
11, according to the described steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 1 to 7, it is characterized in that the body of hollow section (2) or seal in the plug (3) or both are provided with stiffener (16) simultaneously that stiffener (16) is at least one in reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, the fiber.
12,, it is characterized in that the body of hollow section (2) or seal in the plug (3) or both are provided with stiffener (16) simultaneously that stiffener (16) is fleece or cloth according to the described steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 1 to 7.
13,, it is characterized in that the body of hollow section (2) or seal in the plug (3) or both are provided with stiffener (16) simultaneously that stiffener (16) is the metal foil band according to the described steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 1 to 7.
14,, it is characterized in that the body of hollow section (2) or seal in the plug (3) or both are provided with stiffener (16) simultaneously that stiffener (16) is a strap according to the described steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 1 to 7.
15,, it is characterized in that the body of hollow section (2) or seal in the plug (3) or both are provided with stiffener (16) simultaneously that stiffener (16) is a braid over braid according to the described steel bar reinforced hollow concrete roof cast-in-situs of arbitrary claim in the claim 1 to 7.
16, steel bar reinforced hollow concrete roof cast-in-situs according to claim 11 is characterized in that also having simultaneously on the hollow section (2) stiffener (16) to expose with Cast-in-place concrete and is bonded to integral body.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03118108 CN1258628C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow storey top |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03118108 Division CN1258628C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow storey top |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1991093A CN1991093A (en) | 2007-07-04 |
| CN100560892C true CN100560892C (en) | 2009-11-18 |
Family
ID=34284832
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03118108 Expired - Fee Related CN1258628C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow storey top |
| CNB2006100929013A Expired - Fee Related CN100560892C (en) | 2003-02-26 | 2003-02-26 | A kind of steel bar reinforced hollow concrete roof cast-in-situs |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03118108 Expired - Fee Related CN1258628C (en) | 2003-02-26 | 2003-02-26 | Cast-in-situ reinforced concrete hollow storey top |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN1258628C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100554615C (en) * | 2004-11-02 | 2009-10-28 | 邱则有 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
| CN100537948C (en) * | 2004-11-02 | 2009-09-09 | 邱则有 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
| CN100535324C (en) * | 2004-11-02 | 2009-09-02 | 邱则有 | Cast in situ reinforcing steel bar concrete hollow board |
| CN100554616C (en) * | 2004-11-02 | 2009-10-28 | 邱则有 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
| CN100537947C (en) * | 2004-11-02 | 2009-09-09 | 邱则有 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
-
2003
- 2003-02-26 CN CN 03118108 patent/CN1258628C/en not_active Expired - Fee Related
- 2003-02-26 CN CNB2006100929013A patent/CN100560892C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1525023A (en) | 2004-09-01 |
| CN1258628C (en) | 2006-06-07 |
| CN1991093A (en) | 2007-07-04 |
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