CN101260702B - Thin wall box filled cast-in-situ reinforcing steel bar concrete hollow floor slab - Google Patents
Thin wall box filled cast-in-situ reinforcing steel bar concrete hollow floor slab Download PDFInfo
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- CN101260702B CN101260702B CN2008100740161A CN200810074016A CN101260702B CN 101260702 B CN101260702 B CN 101260702B CN 2008100740161 A CN2008100740161 A CN 2008100740161A CN 200810074016 A CN200810074016 A CN 200810074016A CN 101260702 B CN101260702 B CN 101260702B
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Abstract
The invention provides a cast-in-situ reinforced concrete hollow floorslab filled with a thin wall box, comprising reinforced concrete and a no-core-pulling thin wall box for filling, wherein, the thin wall box is an open thin wall box, the wall of the box is made by the high performance mixture including the ratio of the inorganic cementitous material, the padding, the admixture and the fibre. The invention is characterized in that: an arc-shaped surface is at the intersection part between the side wall of the box and the lower wall of the box. The cast-in-situ reinforced concrete hollow floorslab filled with the thin wall box has the characteristics of high strength, deformation resistance, excellent anti-vibration performance, convenient construction, and low cost, etc.
Description
The application is that November 29, application number in 1999 are that 99115665.X, name are called the dividing an application of application for a patent for invention of " fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling (box) and manufacturing approach thereof " for the applying date.
The present invention relates to the box filled cast-in-situ reinforced concrete hollow slab of thin-walled.
Concrete hollow board, particularly cast-in-situ reinforced concrete hollow slab non-core-drawing pore-creating technology mostly adopt light-wall pipe to fill, and have the advantage of convenient construction and transport.But because its tube wall mostly is a homogenous material (like paper tube), have insufficient strength, non-deformability is poor, the shortcoming that the anti-vibration damage capability is also bad.
The objective of the invention is to overcome the shortcoming of prior art, a kind of high strength, resistance to deformation, light-wall pipe (box) that the anti-vibration performance is good are provided, and easy construction, manufacturing approach that cost is low.
Fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of the present invention (box), pipe (box) wall that is characterized in said pipe (box) body is the composite in proportion high-strength compound of inorganic binder, filler, Admixture, fiber.
In order to guarantee to implement, concrete does not get in the box and influence hollow rate, and pipe (box) body of light-wall pipe of the present invention (box) can have and seals formation cavity light-wall pipe (box); The cross section of light-wall pipe can be circular square or trapezoidal or other are special-shaped, and the cross section of thin-walled box can be circular square or spherical or polygon or other abnormity; In the thin-walled box ribs can be set, said ribs can be in-line or cross or groined type structure.
The manufacturing approach of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of the present invention (box) is:
(1) specification, size mfg. moulding die as required, its shape can be tube core mould or box former or formpiston;
(2) the high-strength compound slip of preparation, by cement inorganic material: filler: Admixture: the weight ratio of fiber is 100: 20-350: 0.01-10: 0.1-15 gets the each component material ready, and other is mixed into high-strength compound slip at suitable quantity of water.
(3) it is floating high-strength compound slip to be coated on the mould compacting, and its mode can adopt manual or mechanical, adopts machinery high-strength compound slip to be ejected on the mould through mortar pump or cutting spraying machine, and this mode fiber should prescind, and it is floating to spray the back compacting.
(4) maintenance, the demoulding and obtain described enhancement mode light-wall pipe (box).
In addition, according to aforementioned gained, opening thin pipe (box) opening size, shape cut to seal plate and be adhered to opening part and form cavity light-wall pipe (box), and said sealing can be homogenous material or high-strength compound; On mould, can be provided with barrier film or scribble demoulding spacing agent; Admixture can be one or more in early strength admixture, water reducing agent, retarding agent, the glue; Cement inorganic material can be portland cement or portland cement or sulphate aluminium cement or iron aluminic acid cement or magnesia oxychloride cement or alkali slag cement or ground caustic coal ash cement or rapid setting cement or special cement; Fiber can be one or more in glass fiber, carbon fiber, organic fiber, the natural fiber.
Below in conjunction with accompanying drawing the present invention is described further as follows:
Fig. 1 is the agent structure sketch map of the embodiment one of filling reinforced concrete fiber reinforcement type thin-walled box of the present invention.
Fig. 2 is the agent structure sketch map of the embodiment two of filling reinforced concrete fiber reinforcement type thin-walled box of the present invention.
Fig. 3 is the agent structure sketch map of the embodiment three of filling reinforced concrete fiber reinforcement type thin-walled box of the present invention.
Fig. 4 makes the embodiment sketch map of filling reinforced concrete fiber reinforcement type thin-walled box with former for expression.
Fig. 5 makes the embodiment sketch map of filling reinforced concrete fiber reinforcement type thin-walled box with formpiston for expression.
Fig. 6 is the agent structure sketch map of the embodiment one of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of the present invention.
Fig. 7 is the agent structure sketch map of the embodiment two of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of the present invention.
Fig. 8 is the agent structure sketch map of the embodiment three of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of the present invention.
Fig. 9 is the embodiment sketch map with tube core molded fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling.
Fig. 1,2,3 has provided the structural representation of the embodiment of filling reinforced concrete fiber reinforcement type thin-walled box of the present invention.Fig. 1 is the thin-walled box of open type, and 1 is box body, is characterized in that box wall is by the composite in proportion high-strength compound of cement inorganic material, filler, Admixture, fiber.Fig. 2 seals and is provided with in it embodiment of in-line ribs 3 for the box body band.Fig. 3 seals and is provided with in it embodiment of cross ribs 4 for the box body band, among Fig. 3,4, and 1 expression box body, 2 expressions are sealed, 3 expression in-line ribs, 4 expression cross ribs.
Fig. 6,7,8 has provided the structural representation of the embodiment of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of the present invention.Fig. 6 is the circular light-wall pipe of open type, and 5 is body, and the tube wall that it is characterized in that body is by the composite in proportion high-strength compound of cement inorganic material, filler, Admixture, fiber.The light-wall pipe cross section that Fig. 7 seals for body two ends band is square embodiment.The light-wall pipe cross section that Fig. 8 seals for body two ends band is trapezoidal embodiment.Among Fig. 7,8,5 expression bodys, 6 expressions are sealed.
Provide the embodiment of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of the present invention (box) manufacturing approach below in conjunction with Fig. 4,5,9 description of drawings.
Embodiment one:
(1) make the box former, as shown in Figure 4,7 is the box former;
(2) in sulphate aluminium cement: sand: early strength admixture and 107 glue: the weight ratio of glass fiber and organic fiber is 100: 200: 6: 5 ratio is got the each component material ready, adds suitable water and above-mentioned material is mixed makes high-strength compound slip.
(3) make the recessed portion (this recessed portion can barrier film be set so that demoulding) that slip is injected in the box former with mortar pump with aforementioned, compacting is floating, and is as shown in Figure 4,7 expression box formers, 8 expression slips.
(4) after maintenance, the demoulding, make thin-walled box finished product of the present invention.
Embodiment two:
(1) make the box formpiston, as shown in Figure 5,9 is the box formpiston;
(2) in portland cement: sand: water reducing agent and 107 glue: the weight ratio of carbon fiber and organic fiber is 100: 120: 4: 6 ratio is got the each component material ready, adds suitable water and above-mentioned material is mixed makes high-strength compound slip.
(3) smear by hand or make the protrusion position that slip is injected in box formpiston 9 with the cutting spraying machine with aforementioned, compacting is floating, and is as shown in Figure 5, and 10 is slip, and 9 is the box formpiston.
(4) after maintenance, the demoulding, make thin-walled box finished product of the present invention.
Embodiment three:
(1) make the tube core mould, as shown in Figure 9,11 is the tube core mould;
(2) in portland cement: sand: retarding agent: the weight ratio of organic fiber is 100: 180: 6: 8 ratio is got the each component material ready, adds suitable water and above-mentioned material is mixed makes high-strength compound slip.
(3) on tube core mould 11, be coated with one deck demoulding spacing agent, with mortar pump the aforementioned slip that makes be injected on the tube core mould, compacting is floating, and is as shown in Figure 9,11 expression tube core moulds, and 12 are expressed as slip.
(4) after maintenance, the demoulding, make thin-walled box finished product of the present invention.
Fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling provided by the invention (box) have intensity height, resistance to deformation, freedom from vibration good, can satisfy various different advantages of filling the concrete demand of finding time, and its manufacturing approach is easy, with low cost.
Claims (14)
1. cast-in-situ reinforced concrete hollow slab that thin-walled is box filled; The fibrefill enhancement mode thin-walled box that comprises steel bar concrete; the thin-walled box is the opening thin box; the box wall of described thin-walled box is that the composite in proportion high-strength compound of cement inorganic material, filler, Admixture, fiber is processed is characterized in that lateral box wall and lower box wall intersect the position outward arcwall face transition angle is arranged.
2. the box filled cast-in-situ reinforced concrete hollow slab of thin-walled according to claim 1 is characterized in that described cement inorganic material is portland cement or sulphate aluminium cement or ferrous aluminate cement or rapid setting cement.
3. the box filled cast-in-situ reinforced concrete hollow slab of thin-walled according to claim 1, the cross section that it is characterized in that described thin-walled box is square.
4. the box filled cast-in-situ reinforced concrete hollow slab of thin-walled according to claim 1 is characterized in that being provided with ribs in the fiber reinforcement type opening thin box.
5. the box filled cast-in-situ reinforced concrete hollow slab of thin-walled according to claim 4 is characterized in that described ribs is cross or groined type.
6. cast-in-situ reinforced concrete hollow slab that thin-walled is box filled; The fibrefill enhancement mode thin-walled box that comprises steel bar concrete; the thin-walled box is the opening thin box; the box wall of described thin-walled box is that the composite in proportion high-strength compound of cement inorganic material, filler, Admixture, fiber is processed is characterized in that the opening box opening part has the hush panel of back bonding sealing, and lateral box wall and lower box wall intersect the position outward has arcwall face transition angle.
7. the box filled cast-in-situ reinforced concrete hollow slab of thin-walled according to claim 6 is characterized in that described hush panel is made up of homogenous material.
8. cast-in-situ reinforced concrete hollow slab that thin-walled is box filled; The fibrefill enhancement mode thin-walled box that comprises steel bar concrete; the thin-walled box is the opening thin box, the box wall of described thin-walled box are that the composite in proportion high-strength compound of cement inorganic material, filler, Admixture, fiber is processed, and it is characterized in that being provided with in the opening box ribs; lateral box wall and lower box wall intersect the position outward has arcwall face transition angle, and the thin-walled box is a polygon.
9. the box filled cast-in-situ reinforced concrete hollow slab of thin-walled according to claim 8 is characterized in that described cement inorganic material is portland cement or sulphate aluminium cement or ferrous aluminate cement or rapid setting cement.
10. the box filled cast-in-situ reinforced concrete hollow slab of thin-walled according to claim 8, the cross section that it is characterized in that described thin-walled box is square.
11. the cast-in-situ reinforced concrete hollow slab that thin-walled according to claim 8 is box filled is characterized in that described ribs is cross or groined type.
12. cast-in-situ reinforced concrete hollow slab that thin-walled is box filled; The fibrefill enhancement mode thin-walled box that comprises steel bar concrete; the thin-walled box is the opening thin box, the box wall of described thin-walled box are that the composite in proportion high-strength compound of cement inorganic material, filler, Admixture, fiber is processed, and it is characterized in that being provided with in the opening box ribs; the thin-walled tape seals, and lateral box wall and lower box wall intersect the position outward has arcwall face transition angle.
13. the cast-in-situ reinforced concrete hollow slab that thin-walled according to claim 12 is box filled is characterized in that described ribs is cross or groined type.
14. the cast-in-situ reinforced concrete hollow slab that thin-walled according to claim 12 is box filled is characterized in that described sealing is homogenous material or high-strength compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100740161A CN101260702B (en) | 1999-11-29 | 1999-11-29 | Thin wall box filled cast-in-situ reinforcing steel bar concrete hollow floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100740161A CN101260702B (en) | 1999-11-29 | 1999-11-29 | Thin wall box filled cast-in-situ reinforcing steel bar concrete hollow floor slab |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB99115665XA Division CN100370091C (en) | 1999-11-29 | 1999-11-29 | Fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and its making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101260702A CN101260702A (en) | 2008-09-10 |
| CN101260702B true CN101260702B (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100740161A Expired - Fee Related CN101260702B (en) | 1999-11-29 | 1999-11-29 | Thin wall box filled cast-in-situ reinforcing steel bar concrete hollow floor slab |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE202018102517U1 (en) * | 2018-05-07 | 2018-05-17 | Ca Digital Gmbh | Device for producing a dental splint |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160693Y (en) * | 1993-03-20 | 1994-04-06 | 于少华 | Shuttering member |
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1999
- 1999-11-29 CN CN2008100740161A patent/CN101260702B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160693Y (en) * | 1993-03-20 | 1994-04-06 | 于少华 | Shuttering member |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平11-293764A 1999.10.26 |
| JP特开平8-216123A 1996.08.27 |
| JP特开平9-13486A 1997.01.14 |
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| CN101260702A (en) | 2008-09-10 |
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