CN1970939B - Cast-in-situ concrete hollow slab - Google Patents
Cast-in-situ concrete hollow slab Download PDFInfo
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- CN1970939B CN1970939B CN2006101219632A CN200610121963A CN1970939B CN 1970939 B CN1970939 B CN 1970939B CN 2006101219632 A CN2006101219632 A CN 2006101219632A CN 200610121963 A CN200610121963 A CN 200610121963A CN 1970939 B CN1970939 B CN 1970939B
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- upper plate
- place concrete
- shuttering member
- concrete
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Abstract
Disclosed is a cast-in-situ concrete hollow slab, which comprises a reinforced-bar concrete (1) and shuttering members (2), the shuttering member (2) is enclosed in the reinforced-bar concrete (1), the shuttering members (2) are arranged alternatively, a cast-in-situ reinforced-bar concrete rib (3) is arranged between them, and a cast-in-situ reinforced concrete upper slab (4) is arranged above, a cast-in-situ reinforced concrete upper slab (5) is arranged below, the shuttering members (2) comprise an upper board (6) and peripheral side panels (7), the upper board (6) and the peripheral side panels (7) encloses an open basin shape component, characterized in that a dormer window (16) is arranged on the upper board (6) of the basin form component at a central portion, the dormer window is provided with a transverse tension member (25) which traverses the window. As a result, the invention can be applied to cast-in-situ reinforced concrete or prestressed reinforcement concrete's hollow storied-building roofings, house roofings, walls, foundation bedplates and hollow bridges, especially for hollow flat slabs.
Description
(1) technical field
The present invention relates to a kind of cast-in-place concrete cored.
(2) background technology
The most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as 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 uses 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, and it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate interval horizontal positioned; On prefabricated plate, be fixed with formwork, formwork comprises upper plate and side plate on every side, is 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 a large amount of templates of using, and has accelerated speed of application; Shorten the duration, thereby reduced cost.But the lower shoe of this floor structure is a prefabricated plate, has the amalgamation seam each other, and globality is poor, if lower shoe adopts the cast-in-situ reinforced concrete plate; Though good integrity, the problem that does not exist amalgamation to stitch, construction is inconvenient, and the Cast-in-place concrete leakiness is prone to problems such as voids and pits; Simultaneously, when this shuttering member is produced, make inconvenience, production efficiency is low; Be not easy to streamline production, corresponding cost is high, therefore, develops a kind of novel cast-in-place concrete cored for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of cast-in-place concrete coredly, have good overall performance, and easy construction, construction cost is low, construction quality good.
Solution of the present invention is on the basis of existing technology, comprises steel bar concrete, shuttering member, and shuttering member is wrapped up in and is contained in the steel bar concrete; Shuttering member alternately; Being the cast-in-situ reinforced concrete rib each other, is the cast-in-situ reinforced concrete upper plate on it, and it is the cast-in-situ reinforced concrete lower plate down; Shuttering member comprises upper plate, sidewall on every side; Upper plate, sidewall surrounds uncovered basin-shaped component on every side, it is characterized in that having on the upper plate of described basin-shaped component one and carries out the skylight of concrete construction operation at the cavity of resorption of upper plate, and there is the horizontal tension member that passes window in the skylight.Like this, when having a skylight on the shuttering member upper plate, can from the skylight, pour into a mould Cast-in-place concrete down and form the cast-in-situ reinforced concrete lower plate under the shuttering member to shuttering member; Thereby it is more convenient to construct, and has guaranteed the pouring quality of cast-in-situ reinforced concrete lower plate, makes it not be prone to voids and pits; After having watered cast-in-place concrete cored lower plate, the skylight is covered, build between the shuttering member again and the Cast-in-place concrete on top; Thereby guaranteed cast-in-place concrete cored pouring quality; Can not reduce cast-in-place concrete cored hollow rate, help reducing construction cost, thereby reach the object of the invention; The hollow building cover, roof system, body of wall, sole plate and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are particularly useful for hollow arch without beam and use.
The present invention also is do not have the cast-in-situ reinforced concrete upper plate, the upper surface of upper plate and cast-in-place concrete cored flush on the upper plate of described shuttering member.Like this, when not having the cast-in-situ reinforced concrete upper plate on the upper plate of shuttering member, make the cast-in-place concrete cored open two way ribbed slab in top that formed, whole compressive strength is good, has improved cast-in-place concrete cored supporting capacity.
The present invention is that also the bottom of described shuttering member does not have the cast-in-situ reinforced concrete lower plate.Like this, when the bottom of shuttering member does not have the cast-in-situ reinforced concrete lower plate, make the cast-in-place concrete cored open two way ribbed slab in bottom that formed, whole compressive strength is good, has improved cast-in-place concrete cored supporting capacity.
The present invention also is do not have the cast-in-situ reinforced concrete upper plate on the upper plate of described shuttering member, the upper surface of upper plate and cast-in-place concrete cored flush, and the bottom of shuttering member does not have the cast-in-situ reinforced concrete lower plate.Like this; When the upper plate of shuttering member on do not have the cast-in-situ reinforced concrete upper plate, the upper surface of upper plate and cast-in-place concrete cored flush be not when the bottom of shuttering member has the cast-in-situ reinforced concrete lower plate; The cast-in-place concrete cored in-situ deposited prefabricated superimposed sheet of two-way rib structure that formed; Reduce the consumption of Cast-in-place concrete significantly, reduced cast-in-place concrete cored deadweight, improved cast-in-place concrete cored supporting capacity.
Characteristic of the present invention also is on the described horizontal tension member suspender member is arranged.Like this, when on the horizontal tension member suspender member being arranged, shuttering member is increased work efficiency piling up, in the transportation, installation process, can connecting through suspender member and hang transportation, has reduced the proportion of goods damageds of member.
Characteristic of the present invention is that also there is suspender member at position, limit, described skylight.Like this, when there was suspender member at position, limit, skylight, shuttering member was increased work efficiency piling up, in the transportation, installation process, can connecting through suspender member and hang transportation, has reduced the proportion of goods damageds of member.
Characteristic of the present invention is that also parallel horizontal tension member is arranged in the described skylight.Like this, the rigidity and the intensity at position, skylight are bigger, and the globality of shuttering member is better simultaneously, can improve cast-in-place concrete cored globality.
Characteristic of the present invention also is to have in the described skylight the horizontal tension member of quadrature or oblique.Like this, the rigidity and the intensity at position, skylight are bigger, and the globality of shuttering member is better simultaneously.
Characteristic of the present invention is that also described horizontal tension member intersection point has suspender member.Like this, when movable upper cover plate was provided with suspender member, shuttering member was increased work efficiency piling up, in the transportation, installation process, can connecting through suspender member and hang transportation, has reduced the proportion of goods damageds of member.
Characteristic of the present invention is that also described horizontal tension member has the vertical bar that intersects with it.Like this, when laterally tension member had the vertical bar that intersects with it, crossing rod member had been connected to each other to the integral body that can support power transmission each other, and shuttering member has been played the good supporting effect, makes shuttering member be difficult for deformation failure, has improved the quality of shuttering member.
Characteristic of the present invention is that also described horizontal tension member has vertical plate, bar or pier or the rope that intersects with it.Like this; When laterally tension member has crossing with it vertical plate, bar or pier or rope; Vertical plate, bar or the pier or the rope that intersect have been connected to each other to the integral body that can support power transmission each other; Shuttering member is played the good supporting effect, made shuttering member be difficult for deformation failure, improved the quality of shuttering member.
Characteristic of the present invention is that also described skylight is provided with removable cover.Like this, when the skylight is a removable cover, when removable cover is shelved on the polygon annular sidewall; Upper plate and annular sidewall can separately be made, transport, and both amalgamations are simple and convenient; Reduced the proportion of goods damageds of shuttering member, simultaneously, movable upper plate can make things convenient for the setting of other member in the shuttering member; Cast-in-situ reinforced concrete lower plate under the shuttering member can be built very easily, has simplified construction technology, has reduced difficulty of construction.
Characteristic of the present invention is that also described removable cover has hole, pit, groove, raised line, projection, inner corner trim, external corner, step, chamfering.Like this, can make things convenient for construction application, improve speed of application, reduce construction cost reinforcing bar and preheating embedding line location.
Characteristic of the present invention is that also described activity was stamped window member.Like this, when window member was stamped in activity, crosses window member and can prevent that removable cover from dropping, guarantee that removable cover can cover window.
Characteristic of the present invention is that also described activity was stamped the window reinforcing bar.Like this, build-in is better each other between shuttering member and the Cast-in-place concrete, and cast-in-place concrete cored globality is stronger.
Characteristic of the present invention is that also described activity is stamped suspender member.Like this, when movable upper cover plate was provided with suspender member, shuttering member was increased work efficiency piling up, in the transportation, installation process, can connecting through suspender member and hang transportation, has reduced the proportion of goods damageds of member.
The present invention also is describedly to contain presstressed reinforcing steel in cast-in-place concrete cored.Like this, the setting of prestressed reinforcement can improve cast-in-place concrete cored supporting capacity greatly, and increases cast-in-place concrete cored span.
The present invention also is describedly to contain reinforcing bar in cast-in-place concrete cored.Reinforcing bar can be cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member.Like this, can improve cast-in-place concrete cored supporting capacity significantly, simultaneously, reinforcing bar is implied in the corresponding arch without beam that forms in the concrete.
The present invention also is describedly also to be provided with dark beam or/and bright beam in cast-in-place concrete cored.Like this, cast-in-place concrete cored mechanical property is better, helps that local pressure in cast-in-place concrete cored is increased the district and strengthens; When being provided with dark beam, can strengthen cast-in-place concrete cored mechanical property, simultaneously; Dark beam lies in the cast-in-situ concrete hollow intralamellar part; It is attractive in appearance not influence cast-in-place concrete cored external structure, does not take the usage space of building during use, can more effectively improve the usage space of building.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is the structural representation of the embodiment of the invention 4.
Fig. 5 is the structural representation of the embodiment of the invention 5.
Fig. 6 is the structural representation of the embodiment of the invention 6.
Fig. 7 is the structural representation of the embodiment of the invention 7.
Fig. 8 is the structural representation of the embodiment of the invention 8.
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.
(5) specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
The present invention comprises steel bar concrete 1, shuttering member 2 shown in accompanying drawing, shuttering member 2 is wrapped up in and is contained in the steel bar concrete 1; Shuttering member 2 alternately; Being cast-in-situ reinforced concrete rib 3 each other, is cast-in-situ reinforced concrete upper plate 4 on it, and it is cast-in-situ reinforced concrete lower plate 5 down; Shuttering member 2 comprises upper plate 6, sidewall 7 on every side; Upper plate 6, sidewall 7 surrounds uncovered basin-shaped component on every side, it is characterized in that having the skylight 16 that a cavity of resorption at upper plate 6 carries out the concrete construction operation on the upper plate 6 of described basin-shaped component, and there is the horizontal tension member 25 that passes window in skylight 16.In each accompanying drawing, 1 is steel bar concrete, and 2 is shuttering member, and 3 is the cast-in-situ reinforced concrete rib, and 4 is the cast-in-situ reinforced concrete upper plate, and 5 is the cast-in-situ reinforced concrete lower plate, and 6 is upper plate, 7 be around sidewall, 8 be the hole, 9 are capping, below in each accompanying drawing, number identically, its explanation is identical.Shown in figure 18, cast-in-place concrete cored steel bar concrete 1, the shuttering member 2 of comprising, shuttering member 2 is wrapped up in and is contained in the steel bar concrete 1; Shuttering member 2 alternately; Being cast-in-situ reinforced concrete rib 3 each other, is cast-in-situ reinforced concrete upper plate 4 on it, and it is cast-in-situ reinforced concrete lower plate 5 down; Shuttering member 2 comprises upper plate 6, sidewall 7 on every side; Upper plate 6, sidewall 7 surrounds uncovered basin-shaped component on every side, has the skylight 16 that a cavity of resorption at upper plate 6 carries out the concrete construction operation on the upper plate 6 of its described basin-shaped component, and there is the horizontal tension member 25 that passes window in skylight 16.
The present invention also is do not have cast-in-situ reinforced concrete upper plate 4, the upper surface of upper plate 6 and cast-in-place concrete cored flush on the upper plate 6 of described shuttering member 2.Shown in figure 14, there is not cast-in-situ reinforced concrete upper plate 4 on the upper plate 6 of its described shuttering member 2, the upper surface of upper plate 6 and cast-in-place concrete cored flush.
The present invention is that also the bottom of described shuttering member 2 does not have cast-in-situ reinforced concrete lower plate 5.Shown in figure 15, the bottom of its described shuttering member 2 does not have cast-in-situ reinforced concrete lower plate 5.
The present invention also is do not have cast-in-situ reinforced concrete upper plate 4 on the upper plate 6 of described shuttering member 2, the upper surface of upper plate 6 and cast-in-place concrete cored flush, and the bottom of shuttering member 2 does not have cast-in-situ reinforced concrete lower plate 5.Shown in figure 16, there is not cast-in-situ reinforced concrete upper plate 4 on the upper plate 6 of its described shuttering member 2, the upper surface of upper plate 6 and cast-in-place concrete cored flush, the bottom of shuttering member 2 does not have cast-in-situ reinforced concrete lower plate 5.
The present invention also is on the described horizontal tension member 25 suspender member 26 is arranged.Shown in figure 19, on its described horizontal tension member 25 suspender member 26 is arranged.
The present invention is that also there is suspender member 26 at position, 16 limit, described skylight.Shown in figure 20, there is suspender member 26 at its position, 16 limit, described skylight.
The present invention is that also parallel horizontal tension member 25 is arranged in the described skylight 16.Shown in figure 21, in its described skylight 16 parallel horizontal tension member 25 is arranged.
The present invention also is to have in the described skylight 16 the horizontal tension member 25 of quadrature or oblique.Shown in figure 19, the horizontal tension member 25 of quadrature is arranged in its described skylight 16.
The present invention is that also described horizontal tension member 25 intersection points have suspender member 26.Shown in figure 19, its described horizontal tension member 25 intersection points have suspender member 26.
The present invention is that also described horizontal tension member 25 has the vertical bar 27 that intersects with it.Shown in figure 22, its described horizontal tension member 25 has the vertical bar 27 that intersects with it.
The present invention is that also described horizontal tension member 25 has vertical plate, bar or pier or the rope that intersects with it.Shown in figure 23, its described horizontal tension member 25 has the vertical plate that intersects with it.
The present invention is that also described skylight 16 is provided with removable cover 28.Shown in figure 24, its described skylight 16 is provided with removable cover 28.
The present invention is that also described removable cover 28 has hole 29, pit 30, groove 31, raised line 32, projection 33, inner corner trim 34, external corner 35, step 36, chamfering 37.Shown in figure 24, its described removable cover 28 has hole 29.Shown in figure 25, its described removable cover 28 has pit 30 and raised line 32.Shown in figure 26, its described removable cover 28 fluted 31 and inner corner trim 34.Shown in figure 27, its described removable cover 28 has projection 33 and chamfering 37.Shown in figure 28, its described removable cover 28 has external corner 35 and step 36.
The present invention is that also described removable cover 28 had window member 38.Shown in figure 29, its described removable cover 28 had window member 38.
The present invention is that also described removable cover 28 had window reinforcing bar 39.Shown in figure 30, its described removable cover 28 had window reinforcing bar 39.
The present invention is that also described removable cover 28 has suspender member 26.Shown in figure 28, its described removable cover 28 has suspender member 26.
The present invention also is describedly to contain presstressed reinforcing steel 62 in cast-in-place concrete cored.As shown in Figure 1, it is described to contain presstressed reinforcing steel 62 in cast-in-place concrete cored.
The present invention also is describedly to contain reinforcing bar 68 in cast-in-place concrete cored.Shown in figure 17, it is described to contain reinforcing bar 68 in cast-in-place concrete cored.
The present invention also is describedly also to be provided with dark beam 69 or/and bright beam 70 in cast-in-place concrete cored.Shown in figure 17, its described dark beam 69 and bright beam 70 of also being provided with in cast-in-place concrete cored.
When the present invention implements, press earlier construction requirement mounting bracket or template, lay shuttering member 2; Re-lay the reinforcing bar of reinforcing bar or dark beam 69 or bright beam 70, and various steel pipe buried in advance spare, pour concrete after the acceptance(check); After treating the concrete setting and harden, maintenance is to stipulating the length of time that form removal promptly gets cast-in-place concrete cored.
Claims (17)
- One kind cast-in-place concrete cored, comprise steel bar concrete (1), shuttering member (2), shuttering member (2) is wrapped up in and is contained in the steel bar concrete (1); Shuttering member (2) alternately; Being cast-in-situ reinforced concrete rib (3) each other, is cast-in-situ reinforced concrete upper plate (4) on it, and it is cast-in-situ reinforced concrete lower plate (5) down; Shuttering member (2) comprises upper plate (6), sidewall (7) on every side; Upper plate (6), sidewall (7) surrounds uncovered basin-shaped component on every side, it is characterized in that having the skylight (16) that a cavity of resorption at upper plate (6) carries out the concrete construction operation on the upper plate (6) of described basin-shaped component, and skylight (16) have the horizontal tension member (25) that passes window; Laterally tension member (25) has vertical plate, bar or pier or the rope that intersects with it, and skylight (16) are provided with removable cover (28).
- One kind cast-in-place concrete cored, comprise steel bar concrete (1), shuttering member (2), shuttering member (2) is wrapped up in and is contained in the steel bar concrete (1); Shuttering member (2) alternately; Be cast-in-situ reinforced concrete rib (3) each other, do not have cast-in-situ reinforced concrete upper plate (4) on the upper plate (6) of shuttering member (2), the upper surface of upper plate (6) and cast-in-place concrete cored flush; It is cast-in-situ reinforced concrete lower plate (5) down; Shuttering member (2) comprises upper plate (6), sidewall (7) on every side, and upper plate (6), sidewall (7) surrounds uncovered basin-shaped component on every side, it is characterized in that having the skylight (16) that a cavity of resorption at upper plate (6) carries out the concrete construction operation on the upper plate (6) of described basin-shaped component; There is the horizontal tension member (25) that passes window in skylight (16), and laterally tension member (25) has vertical plate, bar or pier or the rope that intersects with it.
- One kind cast-in-place concrete cored; Comprise steel bar concrete (1), shuttering member (2), shuttering member (2) is wrapped up in and is contained in the steel bar concrete (1), and shuttering member (2) alternately; Be cast-in-situ reinforced concrete rib (3) each other; Be cast-in-situ reinforced concrete upper plate (4) on it, the bottom of shuttering member (2) does not have cast-in-situ reinforced concrete lower plate (5), and shuttering member (2) comprises upper plate (6), sidewall (7) on every side; Upper plate (6), sidewall (7) surrounds uncovered basin-shaped component on every side; It is characterized in that having the skylight (16) that a cavity of resorption at upper plate (6) carries out the concrete construction operation on the upper plate (6) of described basin-shaped component, skylight (16) have the horizontal tension member (25) that passes window, and laterally tension member (25) has vertical plate, bar or pier or the rope that intersects with it.
- One kind cast-in-place concrete cored, comprise steel bar concrete (1), shuttering member (2), shuttering member (2) is wrapped up in and is contained in the steel bar concrete (1); Shuttering member (2) alternately; Be cast-in-situ reinforced concrete rib (3) each other, do not have cast-in-situ reinforced concrete upper plate (4) on the upper plate (6) of shuttering member (2), the upper surface of upper plate (6) and cast-in-place concrete cored flush; The bottom of shuttering member (2) does not have cast-in-situ reinforced concrete lower plate (5); Shuttering member (2) comprises upper plate (6), sidewall (7) on every side, and upper plate (6), sidewall (7) surrounds uncovered basin-shaped component on every side, it is characterized in that having the skylight (16) that a cavity of resorption at upper plate (6) carries out the concrete construction operation on the upper plate (6) of described basin-shaped component; There is the horizontal tension member (25) that passes window in skylight (16), and laterally tension member (25) has vertical plate, bar or pier or the rope that intersects with it.
- 5. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 4, it is characterized in that suspender member (26) is arranged on the described horizontal tension member (25).
- 6. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 4, it is characterized in that there is suspender member (26) at position, limit, described skylight (16).
- 7. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 4, it is characterized in that parallel horizontal tension member (25) is arranged in the described skylight (16).
- 8. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 4, it is characterized in that having in the described skylight (16) the horizontal tension member (25) of quadrature or oblique.
- 9. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 4, it is characterized in that horizontal tension member (25) intersection point has suspender member (26).
- 10. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 2 to 4, it is characterized in that described skylight (16) is provided with removable cover (28).
- 11. according to claim 10 a kind of cast-in-place concrete cored, it is characterized in that described removable cover (28) has hole (29), pit (30), groove (31), raised line (32), projection (33), inner corner trim (34), external corner (35), step (36), chamfering (37).
- 12. according to claim 10 a kind of cast-in-place concrete cored, it is characterized in that described removable cover (28) had window member (38).
- 13. according to claim 10 a kind of cast-in-place concrete cored, it is characterized in that described removable cover (28) had window reinforcing bar (39).
- 14. according to claim 10 a kind of cast-in-place concrete cored, it is characterized in that described removable cover (28) has suspender member (26).
- 15. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 4, it is characterized in that describedly containing presstressed reinforcing steel (62) in cast-in-place concrete cored.
- 16. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 4, it is characterized in that describedly containing reinforcing bar (68) in cast-in-place concrete cored.
- 17. described a kind of cast-in-place concrete cored according to arbitrary claim in the claim 1 to 4, it is characterized in that describedly also being provided with dark beam (69) or/and bright beam (70) in cast-in-place concrete cored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101219632A CN1970939B (en) | 2005-08-29 | 2006-08-28 | Cast-in-situ concrete hollow slab |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510097778.X | 2005-08-29 | ||
| CN200510097778 | 2005-08-29 | ||
| CN2006101219632A CN1970939B (en) | 2005-08-29 | 2006-08-28 | Cast-in-situ concrete hollow slab |
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| Publication Number | Publication Date |
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| CN1970939A CN1970939A (en) | 2007-05-30 |
| CN1970939B true CN1970939B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006101219632A Expired - Fee Related CN1970939B (en) | 2005-08-29 | 2006-08-28 | Cast-in-situ concrete hollow slab |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3950902A (en) * | 1973-09-20 | 1976-04-20 | Stout Robert K | Concrete structure including modular concrete beams |
| CN1455065A (en) * | 2002-04-30 | 2003-11-12 | 邱则有 | Reinforced concrete three-dimensional load-carrying structure floor |
| CN1624275A (en) * | 2004-11-09 | 2005-06-08 | 吴学文 | Box-shaped hollow mould and reinforced concrete box-shaped hollow plate gride |
| CN1626745A (en) * | 2003-12-09 | 2005-06-15 | 邱则有 | Component part in cavity die body for filling concrete |
-
2006
- 2006-08-28 CN CN2006101219632A patent/CN1970939B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3950902A (en) * | 1973-09-20 | 1976-04-20 | Stout Robert K | Concrete structure including modular concrete beams |
| CN1455065A (en) * | 2002-04-30 | 2003-11-12 | 邱则有 | Reinforced concrete three-dimensional load-carrying structure floor |
| CN1626745A (en) * | 2003-12-09 | 2005-06-15 | 邱则有 | Component part in cavity die body for filling concrete |
| CN1624275A (en) * | 2004-11-09 | 2005-06-08 | 吴学文 | Box-shaped hollow mould and reinforced concrete box-shaped hollow plate gride |
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| Publication number | Publication date |
|---|---|
| CN1970939A (en) | 2007-05-30 |
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