CN100370091C - Fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and its making method - Google Patents

Fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and its making method Download PDF

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Publication number
CN100370091C
CN100370091C CNB99115665XA CN99115665A CN100370091C CN 100370091 C CN100370091 C CN 100370091C CN B99115665X A CNB99115665X A CN B99115665XA CN 99115665 A CN99115665 A CN 99115665A CN 100370091 C CN100370091 C CN 100370091C
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China
Prior art keywords
box
pipe
fiber
conduit
cement
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CNB99115665XA
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Chinese (zh)
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CN1303979A (en
Inventor
邱则有
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邱则有
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Priority to CNB99115665XA priority Critical patent/CN100370091C/en
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Publication of CN100370091C publication Critical patent/CN100370091C/en
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Abstract

The present invention relates to a fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and a making method thereof. The wall of the pipe (box) body is made of a high strength mix material formed by mixing an inorganic cementing material, a filling material, an additive and fibers in proportion. The pipe (box) body can be provided with a seal to form a cavity thin-wall pipe (box). A stiffening rib can be arranged in the box body. The making method of the thin-wall pipe (box) comprises the following steps: manufacturing a mould; preparing the slurry of the high strength mix material; coating the slurry on the mould, and compacting and smoothing the slurry; carrying out the maintaining process and the demoulding process, and thereby, the thin-wall pipe (box) is obtained. The present invention has the advantages of high strength, deformation resistance, high vibration resistance performance, convenient construction, low cost, etc.

Description

Fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling (box) and manufacture method thereof

(1) technical field

The present invention relates to the noggin piece and the manufacture method thereof of steel bar concrete.Be specifically related to the improvement of filling thin-walled pipe/box and manufacture method thereof.

(2) background technology

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 (as paper tube), have insufficient strength, non-deformability is poor, the shortcoming that the anti-vibration damage capability is also bad.Notification number is that CN2160693Y, name are called the utility model patent of " shuttering member ", it discloses a kind of filling reinforced concrete fiber reinforcement thin-walled box that is used for, it by upper base, go to the bottom and sidewall constitutes, it is characterized in that: around it is sidewall, the sidewall and the upper and lower end, constitute totally-enclosed empty stomach type polyhedral structure, ribs is arranged in the die housing, and adopt rapid setting cement alkali resistant glass fiber or magnesium chloride GRC or do not have the manufacturing of sand ﹠ ceramsite cement.Like this, the thin-walled box can solve the problem that homogenous material (as paper tube) exists preferably, but structure is relatively complicated, and produces trouble, cost height, and its intensity, non-deformability (crack resistance) are also relatively poor.Therefore, develop a kind of new light-wall pipe/box and manufacture method thereof for being badly in need of.

(3) summary of the invention

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, manufacture method that cost is low.

Fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box of the present invention, the composite in proportion high-strength compound of short fiber that the pipe/box wall that it is characterized in that described pipe/box body is inorganic binder, prescind, pipe/box body is the pipe/box body of opening, also includes filler and Admixture in the used compound of the pipe of pipe/box body/box wall.

In order to guarantee to implement, concrete does not enter in the box and influence hollow rate, and the pipe/box body of light-wall pipe/box of the present invention can have and seals formation cavity light-wall pipe/box; The cross section of light-wall pipe can be circular square or trapezoidal, and the cross section of thin-walled box can be circular square or spherical or polygon; In the thin-walled box ribs can be set, described ribs can be in-line or cross or groined type structure.

The manufacture method of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box of the present invention is:

(1) specification, size are made tube core mould or box former or formpiston as required;

(2) the high-strength compound slip of preparation, by cement inorganic material: filler: Admixture: the weight ratio of fiber is 100: 120-200: 4-6: 5-8 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 adoptable worker of its mode or machinery adopt machinery high-strength compound slip to be ejected on the mould by 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 described 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.

(4) description of drawings

That the invention will be further described is as follows below in conjunction with accompanying drawing:

Fig. 1 is the agent structure schematic diagram of the embodiment one of filling reinforced concrete fiber reinforcement type thin-walled box of the present invention.

Fig. 2 is the agent structure schematic diagram of the embodiment two of filling reinforced concrete fiber reinforcement type thin-walled box of the present invention.

Fig. 3 is the agent structure schematic diagram of the embodiment three of filling reinforced concrete fiber reinforcement type thin-walled box of the present invention.

Fig. 4 makes the embodiment schematic diagram of filling reinforced concrete fiber reinforcement type thin-walled box with former for expression.

Fig. 5 makes the embodiment schematic diagram of filling reinforced concrete fiber reinforcement type thin-walled box with formpiston for expression.

Fig. 6 is the agent structure schematic diagram 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 schematic diagram 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 schematic diagram of the embodiment three of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of the present invention.

Fig. 9 is with the molded embodiment schematic diagram of making fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling of tube core.

(5) specific embodiment

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 cement inorganic material, filler, Admixture, the composite in proportion high-strength compound of short fiber that prescinds.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/cartridge manufacturing method of the present invention 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, as shown in Figure 4, and 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 as shown in Figure 5,10 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) be coated with one deck demoulding spacing agent on tube core mould 11, with mortar pump the aforementioned slip that makes be injected on the tube core mould, compacting is floating, as shown in Figure 9,11 expression tube core moulds, 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/box provided by the invention have the intensity height, Resistance to deformation, freedom from vibration be good, can satisfy various different advantages of filling the concrete demand of finding time, and Its manufacture method is easy, with low cost.

Claims (11)

1. fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box, the composite in proportion high-strength compound of short fiber that the pipe/box wall that it is characterized in that described pipe/box body is cement inorganic material, prescind, pipe/box body is the pipe/box body of opening, also includes filler and Admixture in the used compound of the pipe of pipe/box body/box wall.
2. fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 1 is characterized in that described pipe/box body has to seal, and forms cavity light-wall pipe/box.
3. fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 1 is characterized in that the light-wall pipe cross section is for circular square or trapezoidal.
4. fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 1 is characterized in that the cross section of thin-walled box is circular square or spherical or polygon.
5. fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 1 is characterized in that in the thin-walled box box body ribs being set, and described ribs is in-line or cross or groined type structure.
6. the manufacture method of a fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box is characterized in that:
(1) specification, size are made tube core mould or box former or formpiston as required;
(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 adopts manual or mechanical, adopts machinery by mortar pump or cutting spraying machine high-strength compound slip to be ejected on the mould, 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.
7. the manufacture method of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 6, it is characterized in that cutting to seal plate and be adhered to opening part according to aforementioned opening thin pipe/box opening size, shape forming enhancement mode light-wall pipe/box, described sealing is homogenous material or high-strength compound.
8. the manufacture method of fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 6 is characterized in that mould is provided with barrier film or scribbles demoulding spacing agent.
9. fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 6 is characterized in that described Admixture is one or more in early strength admixture, water reducing agent, retarding agent, the glue.
10. fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 6 is characterized in that described cement inorganic material is 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.
11. fiber reinforcement-type light-wall conduit for reinforcing steel bar concrete filling/box according to claim 6 is characterized in that described fiber is one or more in glass fiber, carbon fiber, organic fiber, the natural fiber.
CNB99115665XA 1999-11-29 1999-11-29 Fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and its making method CN100370091C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB99115665XA CN100370091C (en) 1999-11-29 1999-11-29 Fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and its making method

Applications Claiming Priority (28)

Application Number Priority Date Filing Date Title
CNB2006101533992A CN100373019C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101534001A CN100373020C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB99115665XA CN100370091C (en) 1999-11-29 1999-11-29 Fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and its making method
CN200610136412A CN100588794C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNA2007101277238A CN101105058A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box
CNB200610139058XA CN100390362C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNA2007101277242A CN101418607A (en) 1999-11-29 1999-11-29 Thin-walled box filled cast-in-place reinforced concrete hollow sheet
CNB2006101364015A CN100381656C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364068A CN100439616C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB200610136402XA CN100366836C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364072A CN100424288C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364034A CN100424287C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101533954A CN100381660C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNA2007101265353A CN101210445A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box
CNB2006101390626A CN100373018C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101533988A CN100390363C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101364091A CN100424289C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101390594A CN100381265C (en) 1999-11-29 1999-11-29 Thin wall box moulding die for reinforcing steel bar concrete filling and its manufacture method
CNB2006101390611A CN100381266C (en) 1999-11-29 1999-11-29 Thin wall box for reinforcing steel bar concrete filling and its manufacture method
CNB2006101364157A CN100381659C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CN200610136408A CN100577943C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364138A CN100366837C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101390607A CN100400763C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364049A CN100434608C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CN2006101390575A CN1966889B (en) 1999-11-29 1999-11-29 Thin-walled pipe/case for filling reinforced concrete
CNB2006101364142A CN100381658C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364053A CN100400762C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364104A CN100381657C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete

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CN 200710127734 Division CN101078268A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box
CN2008100826514A Division CN101230740B (en) 1999-11-29 1999-11-29 Fibre reinforcement type light-wall conduit for reinforcing steel concrete filling
CNB200610139058XA Division CN100390362C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
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CNA2008100098324A Division CN101240616A (en) 1999-11-29 1999-11-29 Thin wall box filled cast-in-situ reinforcing steel bar concrete hollow floor slab
CNA2008100821563A Division CN101260716A (en) 1999-11-29 1999-11-29 Fiber reinforcement-type thin-wall conduit for reinforcing steel bar concrete filling
CN 200710127737 Division CN101078271A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box
CNA2008100740034A Division CN101240619A (en) 1999-11-29 1999-11-29 Thin wall box filled cast-in-situ reinforcing steel bar concrete hollow floor slab
CNA2008100740157A Division CN101260701A (en) 1999-11-29 1999-11-29 Thin wall box filled cast-in-situ reinforcing steel bar concrete hollow floor slab
CN 200710127728 Division CN101078262A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box

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CN1303979A CN1303979A (en) 2001-07-18
CN100370091C true CN100370091C (en) 2008-02-20

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CNB2006101364034A CN100424287C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364072A CN100424288C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364138A CN100366837C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNA2007101277238A CN101105058A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box
CNB2006101364104A CN100381657C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101533992A CN100373019C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101364015A CN100381656C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNA2007101277242A CN101418607A (en) 1999-11-29 1999-11-29 Thin-walled box filled cast-in-place reinforced concrete hollow sheet
CNB2006101534001A CN100373020C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101364157A CN100381659C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364068A CN100439616C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CN2006101390575A CN1966889B (en) 1999-11-29 1999-11-29 Thin-walled pipe/case for filling reinforced concrete
CN200610136408A CN100577943C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364049A CN100434608C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101390607A CN100400763C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101533954A CN100381660C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101533988A CN100390363C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101364142A CN100381658C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB200610139058XA CN100390362C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB200610136402XA CN100366836C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101390594A CN100381265C (en) 1999-11-29 1999-11-29 Thin wall box moulding die for reinforcing steel bar concrete filling and its manufacture method
CNB2006101390611A CN100381266C (en) 1999-11-29 1999-11-29 Thin wall box for reinforcing steel bar concrete filling and its manufacture method
CNA2007101265353A CN101210445A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box
CNB2006101364053A CN100400762C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB99115665XA CN100370091C (en) 1999-11-29 1999-11-29 Fiber-reinforced thin-wall pipe (box) for filling reinforced concrete and its making method
CN200610136412A CN100588794C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101390626A CN100373018C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364091A CN100424289C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete

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CNB2006101364034A CN100424287C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364072A CN100424288C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364138A CN100366837C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNA2007101277238A CN101105058A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box
CNB2006101364104A CN100381657C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101533992A CN100373019C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101364015A CN100381656C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNA2007101277242A CN101418607A (en) 1999-11-29 1999-11-29 Thin-walled box filled cast-in-place reinforced concrete hollow sheet
CNB2006101534001A CN100373020C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101364157A CN100381659C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364068A CN100439616C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CN2006101390575A CN1966889B (en) 1999-11-29 1999-11-29 Thin-walled pipe/case for filling reinforced concrete
CN200610136408A CN100577943C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364049A CN100434608C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101390607A CN100400763C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101533954A CN100381660C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101533988A CN100390363C (en) 1999-11-29 1999-11-29 Thin wall box for steel reinforced concrete filling
CNB2006101364142A CN100381658C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB200610139058XA CN100390362C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB200610136402XA CN100366836C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101390594A CN100381265C (en) 1999-11-29 1999-11-29 Thin wall box moulding die for reinforcing steel bar concrete filling and its manufacture method
CNB2006101390611A CN100381266C (en) 1999-11-29 1999-11-29 Thin wall box for reinforcing steel bar concrete filling and its manufacture method
CNA2007101265353A CN101210445A (en) 1999-11-29 1999-11-29 Cast-in-situ reinforcing steel bar concrete hollow slab filled with thin wall box
CNB2006101364053A CN100400762C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete

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CN200610136412A CN100588794C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101390626A CN100373018C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete
CNB2006101364091A CN100424289C (en) 1999-11-29 1999-11-29 Thin-walled case for filling reinforced concrete

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CN100390362C (en) 2008-05-28
CN1970919A (en) 2007-05-30
CN100373019C (en) 2008-03-05
CN100424287C (en) 2008-10-08
CN1970925A (en) 2007-05-30
CN100381265C (en) 2008-04-16
CN100434608C (en) 2008-11-19
CN1966889A (en) 2007-05-23
CN1995581A (en) 2007-07-11
CN100381658C (en) 2008-04-16
CN100366836C (en) 2008-02-06
CN1966890A (en) 2007-05-23
CN100381656C (en) 2008-04-16
CN1966228A (en) 2007-05-23
CN100588794C (en) 2010-02-10
CN1970924A (en) 2007-05-30
CN1970923A (en) 2007-05-30
CN100373018C (en) 2008-03-05
CN100439616C (en) 2008-12-03
CN100373020C (en) 2008-03-05
CN1955408A (en) 2007-05-02
CN1970922A (en) 2007-05-30
CN100577943C (en) 2010-01-06
CN1970928A (en) 2007-05-30
CN1966892A (en) 2007-05-23
CN1970930A (en) 2007-05-30
CN1970920A (en) 2007-05-30
CN1995582A (en) 2007-07-11
CN100424289C (en) 2008-10-08
CN100400762C (en) 2008-07-09
CN100424288C (en) 2008-10-08
CN1303979A (en) 2001-07-18
CN1955405A (en) 2007-05-02
CN1970921A (en) 2007-05-30
CN100381266C (en) 2008-04-16
CN100390363C (en) 2008-05-28
CN100400763C (en) 2008-07-09
CN100381657C (en) 2008-04-16
CN1970927A (en) 2007-05-30
CN1970929A (en) 2007-05-30
CN100366837C (en) 2008-02-06
CN101105058A (en) 2008-01-16
CN1966891A (en) 2007-05-23
CN1955407A (en) 2007-05-02
CN1966889B (en) 2010-06-09
CN100381660C (en) 2008-04-16
CN1970926A (en) 2007-05-30
CN100381659C (en) 2008-04-16
CN101418607A (en) 2009-04-29
CN1966227A (en) 2007-05-23
CN101210445A (en) 2008-07-02
CN1955406A (en) 2007-05-02

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