CN101063334A - Hollow pre-fabricated panels - Google Patents
Hollow pre-fabricated panels Download PDFInfo
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- CN101063334A CN101063334A CN 200610079536 CN200610079536A CN101063334A CN 101063334 A CN101063334 A CN 101063334A CN 200610079536 CN200610079536 CN 200610079536 CN 200610079536 A CN200610079536 A CN 200610079536A CN 101063334 A CN101063334 A CN 101063334A
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Abstract
Disclosed is a hollow prefabricated slab comprising a basin shape member (1), characterized in that the basin shape member (1) is an integrated basin, the basin bottoms of at least two integral basins are linked into an integral bottom board (2), the adjacent opening s(3) of the basin or side panels of the basin (4) are connected through a connecting member (5). The invention can be applied to various building slabs, house roofings, foundation slabs, walls or bridges.
Description
(1) technical field
The present invention relates to a kind of hollow pre-fabricated panels.
(2) background technology
The most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as floor structure at present, this floor structure has advantages such as speed of application is fast, cost is low, but owing to firmly do not link between adjacent two precast hollow slabs, only use cement mortar blind, thereby not only globality is poor, be unfavorable for antidetonation, and 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 floor structure " utility model patent, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is horizontal positioned at interval, on prefabricated plate, be fixed with formwork, formwork comprises upper plate and side plate on every side, be provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connect as one with dark rib, this kind floor structure no longer needs to use in a large number template, accelerate speed of application, shortened the duration, thereby reduced cost.But when this floor structure is constructed, its opening loose tool laying location each other is inconvenient, easily produces inconsistent phenomenon, causes the dark rib thickness of Cast-in-place concrete between the loose tool inconsistent, and the Cast-in-place concrete upper plate variable thickness that covers on the opening loose tool causes, and influences the construction quality of floor structure.Therefore, develop a kind of novel hollow pre-fabricated panels for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide hollow pre-fabricated panels, have simple in structure, convenient transportation, cost of transportation is low, take that work plane is little, assembly unit is convenient, intensity is high, rigidity greatly, characteristics such as cracky not.
Solution of the present invention is on the basis of existing technology, comprises basin-shaped component, it is characterized in that basin-shaped component is whole basin, is linked to be unsplit bed(-)plate at least at the bottom of the basin of two whole basins at interval, and adjacent basin mouth or basin sidewall have connector to connect.Like this, adjacent basin mouth or basin sidewall have connector to connect the distance that can control effectively, reliably between the basin-shaped component, the width and the height of control cast-in-situ reinforced concrete rib, the pouring quality of assurance concrete hollow board internal construction; Simultaneously, also help Cavity structural member connection location each other, accelerate speed of application, the corresponding cost that also reduces concrete hollow board, and basin-shaped component is whole basin, be linked to be unsplit bed(-)plate at least at the bottom of the basin of two whole basins at interval, form integral body member in groups, improved overall performance greatly, make it not fragile, when being applied to floor construction, it is convenient to lay the location, both can be placed on the prefabricated plate, also can be placed on the template, be difficult for producing dislocation each other, be easy to guarantee the construction quality of superstructure, also have the intensity height simultaneously, make easily, characteristics such as cost is low, thus reached purpose of the present invention, be applicable to the superstructure of various cast-in-situ reinforced concretes or prestressed reinforced concrete, roof system, sole plate, body of wall or bridge use, and are specially adapted to arch without beam and use.
The present invention is that also described unsplit bed(-)plate has elongated reinforcing bar.Like this, like this, elongated reinforcing bar has improved tension, compressive strength and the rigidity of unsplit bed(-)plate greatly, and the top resistance to tension of concrete unsplit bed(-)plate is greatly improved, and makes precast plate not yielding, has improved the stress performance of prefabricated units.
The present invention is that also described basin mouth connector has elongated reinforcing bar.Like this, elongated reinforcing bar has improved the bulk strength and the rigidity of hollow pre-fabricated panels greatly, and the top resistance to tension of hollow pre-fabricated panels is greatly improved, and has improved the stress performance of prefabricated units.
The basin mouth that the present invention also is described whole basin up.Like this, the basin mouth of whole basin makes things convenient for up other members is set in basin-shaped component or on the basin-shaped component, and convenient construction is used, and can increase the height of basin-shaped component, regulate easily in the construction application, the height of steel bar concrete can be good at satisfying the needs of construction application.
The present invention is that also the basin mouth of described whole basin has cover plate.Like this, the basin mouth of whole basin has cover plate, can before the cover plate assembly unit other members be set in basin-shaped component, makes things convenient for assembly unit, and convenient construction is used.
The present invention is that also the cover plate of described basin-shaped component is a flat deck.Like this, the box-like cover plate of line is arranged on same plane, can effectively improve the holistic resistant behavior after building, and assembly unit is convenient, can effectively increase work efficiency.
The present invention is that also the cover plate of described basin-shaped component is the box-like cover plate of line.Like this, the box-like cover plate of line is arranged on same plane, can effectively improve the holistic resistant behavior after building, and assembly unit is convenient, can effectively increase work efficiency.
The present invention is that also the cover plate of described basin-shaped component is a beam peviform cover plate.Like this, beam peviform cover plate is set in basin-shaped component, cast can form crisscross superimposed rib later, improves whole stress performance, and the immersion of cement mortar can prevent to pour into a mould the time, improves construction quality.
The present invention is that also the cover plate of described basin-shaped component is the flute profile cover plate.Like this, the flute profile cover plate is set in basin-shaped component, cast can form intensive unidirectional superimposed rib later, helps improving whole stress performance.
The present invention is that also the cover plate of described basin-shaped component is prefabricated cover plate.Like this, cover plate is prefabricated cover plate, makes simply, and convenient the installation can be improved speed of application, and can be installed later on, can conveniently in the basin-shaped component the inside other members be set.
The present invention is that also the cover plate of described basin-shaped component is cast-in-place cover plate.Like this, cover plate is cast-in-place cover plate, can connect as one with basin-shaped component, improves resistance to overturning and whole stress performance.
The present invention is that also the cover plate of described basin-shaped component is the cover plate that stacked synthetic cover plate of precast plate and Cast-in-place concrete or polylith precast plate are formed by stacking.Like this, superimposed cover plate intensity is higher, can effectively improve the holistic resistant behavior of member.
The present invention is that also the cover plate of described basin-shaped component is mounted in the basin mouth.Like this, the cover plate of basin-shaped component is mounted in the basin mouth, can conveniently install, and be mounted in the basin mouth, can improve the resistance to overturning of member, and other members can conveniently be installed in member.
The present invention is that also the cover plate of described basin-shaped component partly is mounted in the basin mouth, and cover plate is extended with toss, and the toss of cover plate is covered on the basin sidewall of basin-shaped component.Like this, can conveniently install, and cover plate partly is mounted in the basin mouth, can improves the resistance to overturning of member.
The present invention is that also the cover plate of described basin-shaped component covers on the basin sidewall of basin-shaped component.Like this, cover plate covers on basin sidewall basin mouth, and the suffered power in top can be distributed on the basin sidewall uniformly, can improve the holistic resistant behavior of precast plate.
The present invention is that also the cover plate of described basin-shaped component covers on the basin sidewall of basin-shaped component, and the parcel basin mouth outside.Like this, the cover plate parcel basin mouth outside forms the iterative structure of part, and the basin mouth in the handling process that can effectively prevent to construct damages, and improves construction quality.
The present invention is that also the base plate of described basin-shaped component is extended with toss.Like this, the base plate of basin-shaped component is extended with toss, in the time of in being applied to cast-in-situ concrete hollow floor, can replace construction formwork or prefabricated plate, reduces the construction cost of superstructure, and then reduces the comprehensive cost of superstructure.
The present invention is that also described cover plate is provided with downward support member.Like this, cover plate is provided with downward support member, the effective height of control cover plate, and improved the intensity of hollow pre-fabricated panels greatly, the diversity of cover plate can form the hollow pre-fabricated panels of strengthening in various degree, can better improve the overall performance and the total bearing capacity of precast plate.
The present invention is that also the support member that is provided with on the cover plate is post, plate, pier, bar or rope.Like this, cover plate is provided with post, plate, pier, bar or rope, has improved the intensity of hollow pre-fabricated panels greatly, and the diversity of cover plate can form the hollow pre-fabricated panels of strengthening in various degree, can better improve the overall performance and the total bearing capacity of precast plate.
The present invention is that also the cover plate periphery is provided with step.Like this, when the cover plate periphery is provided with step, make things convenient for cover plate to be connected combination, globality and stability after increasing it and connecting with basin-shaped component or with other component and fitting.
The present invention is that also the basin mouth of basin-shaped component is provided with step.Like this, when the basin mouth of basin-shaped component is provided with step, make things convenient for the basin mouth to be connected combination, globality and stability after increasing it and connecting with cover plate or with other component and fitting.
The present invention also is to be provided with in the base plate reinforcing bar, perhaps also has reinforcing bar to stretch out simultaneously and exposes.Like this, be provided with reinforcing bar in the base plate, perhaps also have reinforcing bar to stretch out simultaneously and expose, bulk strength has obtained improving greatly, but also can improve the rupture strength and the rigidity of base plate or toss greatly, makes it be not easy to fracture or destruction.
The present invention also is to be provided with in the cover plate reinforcing bar, perhaps also has reinforcing bar to stretch out simultaneously and exposes.Like this, when being provided with reinforcing bar in the cover plate, can improve the strength and stiffness of cover plate, exposed steel bar can be good at connecting other members, play the effect of enhancing, and exposed steel bar and other members build and be one, and the cast back is anchored at Cast-in-place concrete, can be stressed jointly with Cast-in-place concrete, can also increase the overall performance after building; And be provided with reinforcing bar in the base plate simultaneously, perhaps also have reinforcing bar to stretch out simultaneously and expose, bulk strength has obtained improving greatly, but also can improve the rupture strength and the rigidity of base plate or toss greatly, make it be not easy to fracture or destruction, the intensity of whole precast plate is improved greatly.
The present invention also is to be provided with in the cover plate reinforcing bar, perhaps also has reinforcing bar to stretch out simultaneously and exposes.Like this, when being provided with reinforcing bar in the cover plate, can improve the strength and stiffness of cover plate, exposed steel bar can be good at connecting other members, play the effect of enhancing, and exposed steel bar and other members build and be one, and the cast back is anchored at Cast-in-place concrete, can be stressed jointly with Cast-in-place concrete, can also increase the overall performance after building.
The present invention is that also the spacing between the adjacent basin sidewall is 3-20cm.Like this, when the spacing between the adjacent basin sidewall is 3-20cm, can effectively control build after, the size of gluten concrete rib, and increase bulk strength after building to greatest extent.
The present invention also is to be provided with the support draw piece between the adjacent basin mouth.Like this, be provided with the support draw piece between the adjacent basin mouth, can improve the overall performance of hollow pre-fabricated panels greatly, reduced the breakage rate in the handling process.
(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.
Fig. 9 is the structural representation of the embodiment of the invention 9.
Figure 10 is the structural representation of the embodiment of the invention 10.
Figure 11 is the structural representation of the embodiment of the invention 11.
Figure 12 is the structural representation of the embodiment of the invention 12.
Figure 13 is the structural representation of the embodiment of the invention 13.
Figure 14 is the structural representation of the embodiment of the invention 14.
Figure 15 is the structural representation of the embodiment of the invention 15.
Figure 16 is the structural representation of the embodiment of the invention 16.
Figure 17 is the structural representation of the embodiment of the invention 17.
Figure 18 is the structural representation of the embodiment of the invention 18.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention comprises basin-shaped component 1 as shown in drawings, it is characterized in that basin-shaped component 1 is whole basin, is linked to be unsplit bed(-)plate 2 at least at the bottom of the basin of two whole basins at interval, and adjacent basin mouth 3 or basin sidewall 4 have connector 5 to connect.In each accompanying drawing, 1 is basin-shaped component, and 2 is base plate, and 3 is the basin mouth, and 4 is the basin sidewall, and 5 is connector, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, hollow pre-fabricated panels comprises basin-shaped component 1, and its basin-shaped component 1 is whole basin, is linked to be unsplit bed(-)plate 2 at the bottom of the basin of whole basin at interval, and adjacent basin mouth 3 has connector 5 to connect.
The present invention is that also described unsplit bed(-)plate 2 has elongated reinforcing bar 6.As shown in Figure 2, its described unsplit bed(-)plate 2 has elongated reinforcing bar 6.
The present invention is that also described basin mouth 3 connectors have elongated reinforcing bar 6.As shown in Figure 2, its described basin mouth 3 connectors 5 have elongated reinforcing bar 6.
The basin mouth 3 that the present invention also is described whole basin up.As shown in Figure 2, the basin mouth 3 of its described whole basin up.
The present invention is that also the basin mouth 3 of described whole basin has cover plate 7.As shown in Figure 3, the basin mouth 3 of its described whole basin has cover plate 7.
The present invention is that also the cover plate 7 of described basin-shaped component 1 is flat deck 8.As shown in Figure 3, the cover plate 7 of its described basin-shaped component 1 is a flat deck 8.
The present invention is that also the cover plate 7 of described basin-shaped component 1 is the box-like cover plate 9 of line.As shown in Figure 4, the cover plate 7 of its described basin-shaped component 1 is the box-like cover plate 9 of line.
The present invention is that also the cover plate 7 of described basin-shaped component 1 is beam peviform cover plate 10.As shown in Figure 5, the cover plate 7 of its described basin-shaped component 1 is a beam peviform cover plate 10.
The present invention is that also the cover plate 7 of described basin-shaped component 1 is flute profile cover plate 11.As shown in Figure 6, the cover plate 7 of its described basin-shaped component 1 is a flute profile cover plate 11.
The present invention is that also the cover plate 7 of described basin-shaped component 1 is prefabricated cover plate 12.As shown in Figure 6, the cover plate 7 of its described basin-shaped component 1 is prefabricated cover plate 12.
The present invention is that also the cover plate 7 of described basin-shaped component 1 is cast-in-place cover plate 13.As shown in Figure 7, the cover plate 7 of its described basin-shaped component 1 is cast-in-place cover plate 13.
The cover plate 7 that cover plate 7 that the cover plate 7 that the present invention also is described basin-shaped component 1 is overlapped into for precast plate 12 and Cast-in-place concrete layer 13 or polylith precast plate 12 are formed by stacking.As shown in Figure 8, the cover plate 7 of its described basin-shaped component 1 is the cover plate 7 that precast plate 12 and Cast-in-place concrete layer 13 are overlapped into.As shown in Figure 9, the cover plate 7 that is formed by stacking for polylith precast plate 12 of the cover plate 7 of its described basin-shaped component 1.
The present invention is that also the cover plate 7 of described basin-shaped component 1 is mounted in the basin mouth 3.As shown in figure 10, the cover plate 7 of its described basin-shaped component 1 is mounted in the basin mouth 3.
The present invention is that also cover plate 7 parts of described basin-shaped component 1 are mounted in the basin mouth 3, and cover plate 7 is extended with toss 14, and the toss 14 of cover plate 7 is covered on the basin sidewall 4 of basin-shaped component 1.As shown in figure 11, cover plate 7 parts of its described basin-shaped component 1 are mounted in the basin mouth 3, and cover plate 7 is extended with toss 14, and the toss 14 of cover plate 7 is covered on the basin sidewall 4 of basin-shaped component 1.
The present invention is that also the cover plate 7 of described basin-shaped component 1 covers on the basin sidewall 4 of basin-shaped component 1.As shown in figure 12, the cover plate 7 of its described basin-shaped component 1 covers on the basin sidewall 4 of basin-shaped component 1.
The present invention is that also the cover plate 7 of described basin-shaped component 1 covers on the basin sidewall 4 of basin-shaped component 1, and parcel basin mouth 3 outsides.As shown in figure 12, the cover plate 7 of its described basin-shaped component 1 covers on the basin sidewall 4 of basin-shaped component 1, and parcel basin mouth 3 outsides.
The present invention is that also the base plate 2 of described basin-shaped component 1 is extended with toss 14.As shown in figure 12, the base plate 2 of its described basin-shaped component 1 is extended with toss 14.
The present invention is that also described cover plate 7 is provided with downward support member 15.As shown in figure 13, its described cover plate 7 is provided with downward support member 15.
The present invention is that also the support member 15 that is provided with on the cover plate 7 is post 16, plate 17, pier 18, bar 19 or rope 20.As shown in figure 13, the support member 15 that is provided with on its cover plate 7 is a post 16.As shown in figure 14, the support member 15 that is provided with on its cover plate 7 is a plate 17.As shown in figure 15, the support member 15 that is provided with on its cover plate 7 is a pier 18.As shown in figure 16, the support member 15 that is provided with on its cover plate 7 is bar 19 and rope 20.
The present invention is that also cover plate 7 peripheries are provided with step 21.As shown in figure 17, its cover plate 7 peripheries are provided with step 21.
The present invention is that also the basin mouth 3 of basin-shaped component 1 is provided with step 21.As shown in figure 17, the basin mouth 3 of its basin-shaped component 1 is provided with step 21.
The present invention also is to be provided with in the base plate 2 reinforcing bar 6, perhaps also has reinforcing bar 6 to stretch out simultaneously and exposes.As shown in figure 18, be provided with reinforcing bar 6 in its base plate 2, also have reinforcing bar 6 to stretch out simultaneously and expose.
The present invention also is to be provided with in the cover plate 7 reinforcing bar 6, perhaps also has reinforcing bar 6 to stretch out simultaneously and exposes.As shown in figure 18, be provided with reinforcing bar 6 in its cover plate 7, also have reinforcing bar 6 to stretch out simultaneously and expose.
The present invention also is to be provided with in the cover plate 7 reinforcing bar 6, perhaps also has reinforcing bar 6 to stretch out simultaneously and exposes.As shown in figure 18, be provided with reinforcing bar 6 in its cover plate 7, also have reinforcing bar 6 to stretch out simultaneously and expose.
The present invention is that also the spacing between the adjacent basin sidewall 4 is 3-20cm.As shown in figure 18, the spacing between its adjacent basin sidewall 4 is 3-20cm.
The present invention also is to be provided with between the adjacent basin mouth 3 support draw piece 22.As shown in figure 18, be provided with support draw piece 22 between its adjacent basin mouth 3.
During the invention process, can make unsplit bed(-)plate 4 earlier, in mould, lay reinforce, integrated poured, take out module, dismounting mould after the maintenance, on the base plate of making 4, lay prefabricated or cast-in-place basin-shaped component 1 again, between basin-shaped component, lay cast-in-place or prefabricated connector, prefabricated or cast-in-place cover plate 3 is set on basin-shaped component 1, can obtains hollow pre-fabricated panels; Perhaps in mould, lay reinforce, integrated poured one-tenth unsplit bed(-)plate 4, on the base plate of making 4, lay prefabricated or cast-in-place basin-shaped component 1 again, between basin-shaped component, lay cast-in-place or prefabricated connector, prefabricated or cast-in-place cover plate 3 is set on basin-shaped component 1 again, can obtains hollow pre-fabricated panels.
Claims (10)
1, a kind of hollow pre-fabricated panels comprises basin-shaped component (1), it is characterized in that basin-shaped component (1) is whole basin, is linked to be unsplit bed(-)plate (2) at least at the bottom of the basin of two whole basins at interval, and adjacent basin mouth (3) or basin sidewall (4) have connector (5) to connect.
2, a kind of steel bar concrete precast plate according to claim 1 is characterized in that described unsplit bed(-)plate (2) has elongated reinforcing bar (6).
3, a kind of steel bar concrete precast plate according to claim 1 is characterized in that described basin mouth (3) connector (5) has elongated reinforcing bar (6).
4, a kind of steel bar concrete precast plate according to claim 1, the basin mouth (3) that it is characterized in that described whole basin up.
5, a kind of steel bar concrete precast plate according to claim 1 is characterized in that the basin mouth (3) of described whole basin has cover plate (7); Perhaps the cover plate (7) of basin-shaped component (1) is flat deck (8); Perhaps the cover plate (7) of basin-shaped component (1) is the box-like cover plate of line (9); Perhaps the cover plate (7) of basin-shaped component (1) is a beam peviform cover plate (10). Perhaps the cover plate (7) of basin-shaped component (1) is flute profile cover plate (11).
6, a kind of hollow pre-fabricated panels according to claim 5, the cover plate (7) that it is characterized in that described basin-shaped component (1) is a prefabricated cover plate (12); Perhaps the cover plate (7) of basin-shaped component (1) is cast-in-place cover plate (13); The perhaps cover plate (7) that is formed by stacking of the cover plate (7) that is overlapped into for precast plate (12) and Cast-in-place concrete layer (13) of the cover plate (7) of basin-shaped component (1) or polylith precast plate (12); Perhaps the cover plate (7) of basin-shaped component (1) is mounted in the basin mouth (3); Perhaps the cover plate (7) of basin-shaped component (1) part is mounted in the basin mouth (3), and cover plate (7) is extended with toss (14), and the toss (14) of cover plate (7) is covered on the basin sidewall (4) of basin-shaped component (1); Perhaps the cover plate (7) of basin-shaped component (1) covers on the basin sidewall (4) of basin-shaped component (1); Perhaps the cover plate (7) of basin-shaped component (1) covers on the basin sidewall (4) of basin-shaped component (1), and parcel basin mouth (3) outside.
7, according to claim 1 described a kind of hollow pre-fabricated panels of arbitrary claim to the claim 5, it is characterized in that the base plate (2) of described basin-shaped component (1) is extended with toss (14).
8, a kind of hollow pre-fabricated panels according to claim 5 is characterized in that described cover plate (7) is provided with downward support member (15); Perhaps the last support member (15) that is provided with of cover plate (7) is post (16), plate (17), pier (18), bar (19) or rope (20); Perhaps cover plate (7) periphery is provided with step (21); Perhaps the basin mouth (3) of basin-shaped component (1) is provided with step (21).
9, according to claim 1 described a kind of hollow pre-fabricated panels of arbitrary claim to the claim 5, it is characterized in that being provided with in the described base plate (2) reinforcing bar (6), perhaps also have reinforcing bar (6) to stretch out simultaneously and expose; Perhaps be provided with reinforcing bar (6) in the cover plate (7), perhaps also have reinforcing bar (6) to stretch out simultaneously and expose; Perhaps be provided with reinforcing bar (6) in the cover plate (7), perhaps also have reinforcing bar (6) to stretch out simultaneously and expose.
10, according to claim 1 described a kind of hollow pre-fabricated panels of arbitrary claim to the claim 5, it is characterized in that the spacing between the described adjacent basin sidewall (4) is 3-20cm; Be provided with support draw piece (22) between the perhaps adjacent basin mouth (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610079536 CN101063334A (en) | 2006-04-29 | 2006-04-29 | Hollow pre-fabricated panels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610079536 CN101063334A (en) | 2006-04-29 | 2006-04-29 | Hollow pre-fabricated panels |
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| CN101063334A true CN101063334A (en) | 2007-10-31 |
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| CN 200610079536 Pending CN101063334A (en) | 2006-04-29 | 2006-04-29 | Hollow pre-fabricated panels |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476477A (en) * | 2017-09-13 | 2017-12-15 | 深圳市道同创新科技开发有限公司 | A kind of assembled hollow floor and its construction method |
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2006
- 2006-04-29 CN CN 200610079536 patent/CN101063334A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476477A (en) * | 2017-09-13 | 2017-12-15 | 深圳市道同创新科技开发有限公司 | A kind of assembled hollow floor and its construction method |
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Open date: 20071031 |