CN203795611U - Connecting joints of precast slabs - Google Patents
Connecting joints of precast slabs Download PDFInfo
- Publication number
- CN203795611U CN203795611U CN201420118503.4U CN201420118503U CN203795611U CN 203795611 U CN203795611 U CN 203795611U CN 201420118503 U CN201420118503 U CN 201420118503U CN 203795611 U CN203795611 U CN 203795611U
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- CN
- China
- Prior art keywords
- precast plate
- reinforcing bar
- precast
- semicircular
- horizontal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to connecting joints of precast slabs and belongs to the technical field of building structures. The first precast slab and the second precast slab are connected into a whole through the connecting joints. Semicircular rebars are embedded in the lateral side of the first precast slab, semicircular rebars are embedded in the lateral side of the second precast slab, and transverse U-shaped rebars with the ends bent upwards are hung on the semicircular rebars. The transverse U-shaped rebars rotate around the semicircular rebars, and the bent parts of the ends of the transverse U-shaped rebars are inserted in gaps between the first precast slab and the semicircular rebars. A formwork is erected on the lower portion of the reserved gap between the precast slabs, and concrete is poured into the reserved gap to connect the precast slabs into a whole; or, the formwork is erected on the lower portion of the reserved gap, and concrete is poured into the reserved gap and the upper portion of the precast slabs to form a precast concrete composite slab. The integrity of the assembly integrated concrete structure can be improved, and thus development of building industrialization is promoted.
Description
Technical field
The utility model belongs to building structure technology field, relates in particular to a kind of connected node of the precast plate for fabricated assembly overall concrete structure.
Background technology
Precast concrete is to be applicable to industrialized form of structure, is the direction of housing industrialization development.Joint's connection fabrication in precast concrete between prefabricated units has determined integrality performance of the structure.Existing precast concrete node is generally the weak link of structure, has affected stress performance, and work progress is comparatively complicated.
Summary of the invention
The utility model provides the connected node of a kind of easy construction, precast plate that stress performance is good.The connected node of the precast plate the utility model proposes can ensure connection integrity between precast concrete plank, convenient construction, and the performance of raising assembled monolithic concrete structure, improves industrialization of construction industry level.
The first precast plate and the second precast plate are linked to be entirety by the connected node of the precast plate the utility model proposes, and it is characterized in that described the first precast plate side is embedded with abundant anchoring, exposed portions serve is Semicircular reinforcing bar; Described the second precast plate side is embedded with abundant anchoring, exposed portions serve is Semicircular reinforcing bar, on it, hang with the horizontal U-shaped reinforcing bar that end upwards bends, laterally U-shaped reinforcing bar can move, rotate on semicircular reinforcing bar, freely adjust position, facilitate precast plate transport, lifting, facilitate horizontal U-shaped reinforcing bar location, laterally U-shaped reinforcing bar is hanging in factory on semicircular reinforcing bar, reduces job site steel project; Described horizontal U-shaped reinforcing bar rotates around the semicircular reinforcing bar of the second precast plate, and end bending part inserts in the gap of the first precast plate side and semicircular reinforcing bar, and colligation is fixed; Preset clearance bottom between the first precast plate and the second precast plate installs template, and in preset clearance, precast plate is linked to be entirety by concreting; Or install template in preset clearance bottom, in preset clearance, form precast concrete superimposed sheet with precast plate top concreting.Laterally U-shaped reinforcing bar is connected reliably with semicircular reinforcing bar, ensures that horizontal U-shaped reinforcing bar gives full play to intensity.
The connected node of the precast plate the utility model proposes is characterised in that, described horizontal U-shaped is end reinforced upwards bends 90
., or other angles, can increase the anchorage length of horizontal U-shaped reinforcing bar in rear pouring concrete, increase the connection integrity between precast plate.In order further to improve the connection integrity of precast plate, in described horizontal U-shaped reinforcing bar bending place, longitudinal reinforcement is set.
The connected node of the precast plate the utility model proposes is characterised in that, be crisscross arranged semicircular reinforcing bar and the horizontal U-shaped reinforcing bar of described the first precast concrete plank and the second precast concrete side, be that both sides precast plate side all hangs with horizontal U-shaped reinforcing bar, insert the gap of offside precast plate side and semicircular reinforcing bar.
The connected node of the precast plate the utility model proposes is characterised in that, described precast plate side has transverse concave groove, and described horizontal U-shaped reinforcing bar is at transverse concave groove place, or described horizontal U-shaped reinforcing bar is in the projection between transverse concave groove.By transverse concave groove is set, connection integrity between pouring concrete and precast concrete after can improving between precast plate, and laterally U-shaped reinforcing bar lap length some at transverse concave groove place, reduce preset clearance, thereby reduce template amount.
The precast plate connected node the utility model proposes is characterised in that, the end reinforced bending part of described horizontal U-shaped increases end bending part bending angle, for example, from 90 after inserting in the gap of the first precast plate side and semicircular reinforcing bar
.be increased to 120
.or 135
.or 180
.thereby, further strengthen bonding strength.
The precast plate connected node the utility model proposes is characterised in that, on described the first precast plate and the second precast plate, transverse reinforcement is set, through horizontal U-shaped reinforcing bar.Transverse reinforcement can form skeleton with horizontal U-shaped reinforcing bar, increases the anchoring of horizontal U-shaped reinforcing bar, can consider together in conjunction with the reinforcing bar in superimposed sheet last layer.
The precast plate connected node the utility model proposes is characterised in that, described the first precast plate or the second precast plate side stretch out concrete thin plates.Can reduce the template amount between precast plate, increase new-old concrete contact area.
The connected node the utility model proposes can be used for reference the connection for body of wall.Be Semicircular reinforcing bar at pre-buried two row of the first precast plate side or more than two row fully anchoring, exposed portions serve; Described the second precast plate side is embedded with the above fully anchoring of pre-buried two row or two row, exposed portions serve is Semicircular reinforcing bar, hangs with the horizontal U-shaped reinforcing bar that end bends inwards on it; Described horizontal U-shaped reinforcing bar rotates around the semicircular reinforcing bar of the second precast plate, and end bending part inserts in the gap of the first precast plate side and semicircular reinforcing bar; Preset clearance both sides between the first precast plate and the second precast plate install template, and in preset clearance, precast plate is linked to be entirety by concreting.
Technical characterstic of the present utility model and advantage.
(1) horizontal U-shaped reinforcing bar of the present utility model hangs over precast plate side, and translation within the specific limits, rotation, freely adjust position, facilitates transport, the installation of precast plate, facilitates reinforcing bar connection between precast plate etc.
(2) there is transverse concave groove precast plate of the present utility model side, improves the binding ability of new-old concrete.
(3) horizontal U-shaped reinforcing bar of the present utility model is linked on precast plate in factory, and the part reinforced bar engineering of job site is transferred to factory, improves industrialization of construction industry level.
Brief description of the drawings
Fig. 1 is a kind of embodiment schematic diagram of the present utility model.
Fig. 2 is another kind of embodiment schematic diagram of the present utility model.
Fig. 3 is another kind of embodiment schematic diagram of the present utility model.
Fig. 4 is another kind of embodiment schematic diagram of the present utility model.
Fig. 5 is another kind of embodiment schematic diagram of the present utility model.
Fig. 6 is another kind of embodiment schematic diagram of the present utility model.
Fig. 7 is another kind of embodiment schematic diagram of the present utility model.
Fig. 8 is another kind of embodiment schematic diagram of the present utility model.
Fig. 9 is another kind of embodiment schematic diagram of the present utility model.
Figure 10 is a kind of embodiment schematic diagram of the first precast plate in the utility model embodiment.
Figure 11 is a kind of embodiment schematic diagram of the second precast plate in the utility model embodiment.
Figure 12 is the another kind of embodiment schematic diagram of the second precast plate in the utility model embodiment.
Figure 13 is the another kind of embodiment schematic diagram of the first precast plate in the utility model embodiment.
Figure 14 is the another kind of embodiment schematic diagram of the second precast plate in the utility model embodiment.
Figure 15 is the another kind of embodiment schematic diagram of the first precast plate in the utility model embodiment.
Mark implication in accompanying drawing is: the semicircular reinforcing bar of rear pouring concrete 6 transverse concave groove 7 longitudinal reinforcement 8 transverse reinforcement 9 concrete thin plates 10 second precast plates of the horizontal U-shaped reinforcing bar 5 of semicircular reinforcing bar 4 of 1 first precast plate 2 second precast plate 3 first precast plates.
Detailed description of the invention
Below in conjunction with drawings and Examples, the connected node of the utility model precast plate is described in detail.
A kind of embodiment of the connected node of the precast plate the utility model proposes, as Fig. 1, the first precast plate 1 side is embedded with abundant anchoring, exposed portions serve is Semicircular reinforcing bar 3; The second precast plate 2 sides are embedded with abundant anchoring, exposed portions serve is Semicircular reinforcing bar, on described semicircular reinforcing bar, hang with the horizontal U-shaped reinforcing bar 4 that end upwards bends, laterally U-shaped reinforcing bar can move, rotate on semicircular reinforcing bar, freely adjust position, facilitate precast plate transport, lifting, facilitate horizontal U-shaped reinforcing bar location, laterally U-shaped reinforcing bar can hang on semicircular reinforcing bar in factory, reduces job site steel project; Horizontal U-shaped reinforcing bar 4 is rotated around the semicircular reinforcing bar of the second precast plate, and end bending part inserts in the gap of the first precast plate 1 side and semicircular reinforcing bar 3, fixing; Preset clearance bottom between the first precast plate 1 and the second precast plate 2 installs template, and in preset clearance, precast plate is linked to be entirety by concreting.Laterally U-shaped reinforcing bar is connected reliably with semicircular reinforcing bar, ensures that horizontal U-shaped reinforcing bar gives full play to intensity.The another kind of embodiment of the precast plate connected node the utility model proposes as Fig. 2, Fig. 6, forms precast concrete superimposed sheets with precast plate 1 and precast plate 2 top concretings in preset clearance.Laterally U-shaped reinforcing bar 4 has different shapes, as Fig. 1, Fig. 6.
Fig. 1 schematic diagram turns over turnback can obtain another embodiment of the utility model, and the semicircular reinforcing bar 3 of the first precast plate 1 is arranged at the position near precast plate 1 epithelium; Corresponding, the semicircular reinforcing bar of the second precast plate 2 sides is arranged on the position near precast plate 2 epitheliums, and laterally U-shaped reinforcing bar 4 ends bend downwards.This embodiment can be used for the connection in floor hogging moment region.
In a kind of embodiment of the connected node of the precast plate the utility model proposes, described horizontal U-shaped reinforcing bar 4 ends upwards bend 90
., as Fig. 1 or Fig. 2 or Fig. 3.Or described horizontal U-shaped reinforcing bar 4 ends upwards bend other angles, can increase the anchorage length of horizontal U-shaped reinforcing bar in rear pouring concrete, increase the connection integrity between precast plate.In order further to improve the connection integrity of precast plate, in described horizontal U-shaped reinforcing bar bending place, longitudinal reinforcement 7 is set, as Fig. 5.For further improving connection integrity, after described horizontal U-shaped reinforcing bar 4 end bending parts insert in the gap of the first precast plate side and semicircular reinforcing bar, will be with reinforcing bar bending device by horizontal U-shaped reinforcing bar 4 end bending part bending angles increases, for example, from 90
.be increased to 120
.or 135
.or 180
.thereby, further strengthen bonding strength.
In a kind of embodiment of the precast plate connected node the utility model proposes, the first precast plate 1 side or the second precast plate 2 sides arrange transverse concave groove 6, as Fig. 3, Fig. 4; Transverse concave groove 6 positioned opposite of the first precast plate 1 and the second precast plate 2, as Fig. 3; Or transverse concave groove 6 interlaced arrangement of the first precast plate 1 and the second precast plate 2, i.e. projection positioned opposite between the transverse concave groove of the transverse concave groove of the first precast plate 1 and the second precast plate 2, as Fig. 8.
In a kind of embodiment of the precast plate connected node the utility model proposes, as Fig. 7, on the first precast plate 1 and the second precast plate 2, transverse reinforcement 8 is set, through horizontal U-shaped reinforcing bar 4, can increases prefabricated units connection integrity.
In a kind of embodiment of the precast plate connected node the utility model proposes, the first precast concrete plank 1 side be crisscross arranged semicircular reinforcing bar 3 and horizontal U-shaped reinforcing bar 4; Corresponding, the second precast concrete plank 2 sides be crisscross arranged horizontal U-shaped reinforcing bar 4 and semicircular reinforcing bar 3, precast concrete plank side in both sides all hangs with horizontal U-shaped reinforcing bar, inserts mutually in the gap of offside precast concrete side and semicircular reinforcing bar, as Fig. 8.
In the connected node of the precast plate the utility model proposes, a kind of embodiment of the first precast plate 1, as Fig. 9, there is semicircular reinforcing bar 3 its side.
In the connected node of the precast plate the utility model proposes, a kind of embodiment of the second precast plate 2, as Figure 10, there is semicircular reinforcing bar 10 its side, hangs with horizontal U-shaped reinforcing bar 4 on semicircular reinforcing bar 10.
In the connected node of the precast plate the utility model proposes, the side of the second precast plate 2 arranges transverse concave groove 6, and as Figure 11, laterally U-shaped reinforcing bar 4 is at transverse concave groove 6 places; Or laterally U-shaped reinforcing bar 4 is in the projection between transverse concave groove 6.Described semicircular reinforcing bar 10 is anchored in transverse concave groove 6 bottoms, as Fig. 8, also can be anchored in transverse concave groove dual-side, as Figure 11.
In the connected node of the precast plate the utility model proposes, other transverse reinforcements are stretched out in precast plate 1 and precast plate 2 sides, as Figure 12, Figure 13, can improve precast concrete crack resistance, improve rigidity etc., further increase the connection integrity between precast plate.
In the connected node of the precast plate the utility model proposes, concrete thin plates is stretched out in precast plate 1 or precast plate 2 sides; As Fig. 9, concrete thin plates 9 is stretched out in precast plate 2 sides; As Figure 15, concrete thin plates 9 is stretched out in precast plate 1 side.
The connected node the utility model proposes can be used for reference the connection for body of wall.Be Semicircular reinforcing bar at pre-buried two row of the first precast plate 1 side or more than two row fully anchoring, exposed portions serve; The second precast plate 2 sides are embedded with the above fully anchoring of two row or two row, exposed portions serve is Semicircular reinforcing bar, hang with the horizontal U-shaped reinforcing bar of end bending on it; Described horizontal U-shaped reinforcing bar rotates around the semicircular reinforcing bar of the second precast plate, and end bending part inserts in the gap of the first precast plate side and semicircular reinforcing bar; Preset clearance both sides between the first precast plate and the second precast plate install template, and in preset clearance, precast plate is linked to be entirety by concreting.
One of main feature of the present utility model is that horizontal U-shaped reinforcing bar hangs over precast plate side, reaches the effect of the translation comparatively freely of horizontal U-shaped reinforcing bar, rotation; The scheme that the utility model adopts horizontal U-shaped reinforcing bar to hang over semicircular reinforcing bar realizes this effect, also can adopt other means to realize.
Claims (8)
1. a connected node for precast plate, comprises the first precast plate and the second precast plate, it is characterized in that described the first precast plate side is embedded with abundant anchoring, exposed portions serve is Semicircular reinforcing bar; Described the second precast plate side is embedded with abundant anchoring, exposed portions serve is Semicircular reinforcing bar, hangs with the horizontal U-shaped reinforcing bar that end upwards bends on described semicircular reinforcing bar; Described horizontal U-shaped reinforcing bar rotates around the semicircular reinforcing bar of the second precast plate, and end bending part inserts in the gap of the first precast plate side and semicircular reinforcing bar; Preset clearance bottom between the first precast plate and the second precast plate installs template, and in preset clearance, precast plate is linked to be entirety by concreting; Or install template in preset clearance bottom, in preset clearance, form precast concrete superimposed sheet with precast plate top concreting.
2. the connected node of precast plate according to claim 1, is characterized in that, described horizontal U-shaped is end reinforced upwards bends 90
.
3. the connected node of precast plate according to claim 1 and 2, is characterized in that, longitudinal reinforcement is inserted in described horizontal U-shaped reinforcing bar bending place.
4. the connected node of precast plate according to claim 1, is characterized in that, be crisscross arranged semicircular reinforcing bar and the horizontal U-shaped reinforcing bar of described the first precast concrete plank or the second precast concrete side.
5. the connected node of precast plate according to claim 1, is characterized in that, described precast plate side has transverse concave groove, and described horizontal U-shaped reinforcing bar is at transverse concave groove place; Or described horizontal U-shaped reinforcing bar is in the projection between transverse concave groove.
6. the connected node of precast plate according to claim 1 and 2, is characterized in that, the end reinforced bending part of described horizontal U-shaped inserts behind the gap of the first precast plate side and semicircular reinforcing bar, and end bending part bending angle is increased.
7. the connected node of precast plate according to claim 1, is characterized in that, on described the first precast plate and the second precast plate, transverse reinforcement is set, through horizontal U-shaped reinforcing bar.
8. the connected node of precast plate according to claim 1, is characterized in that, described the first precast plate or the second precast plate side stretch out concrete thin plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118503.4U CN203795611U (en) | 2014-03-17 | 2014-03-17 | Connecting joints of precast slabs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118503.4U CN203795611U (en) | 2014-03-17 | 2014-03-17 | Connecting joints of precast slabs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203795611U true CN203795611U (en) | 2014-08-27 |
Family
ID=51377838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420118503.4U Expired - Fee Related CN203795611U (en) | 2014-03-17 | 2014-03-17 | Connecting joints of precast slabs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203795611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937271A (en) * | 2016-06-03 | 2016-09-14 | 长沙远大住宅工业集团股份有限公司 | Novel prefabricated building connecting joint |
-
2014
- 2014-03-17 CN CN201420118503.4U patent/CN203795611U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937271A (en) * | 2016-06-03 | 2016-09-14 | 长沙远大住宅工业集团股份有限公司 | Novel prefabricated building connecting joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20160317 |