CN202882164U - Member for restraining grouting anchor connection by using two ends of reinforcing steel bar - Google Patents
Member for restraining grouting anchor connection by using two ends of reinforcing steel bar Download PDFInfo
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- CN202882164U CN202882164U CN 201220605147 CN201220605147U CN202882164U CN 202882164 U CN202882164 U CN 202882164U CN 201220605147 CN201220605147 CN 201220605147 CN 201220605147 U CN201220605147 U CN 201220605147U CN 202882164 U CN202882164 U CN 202882164U
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- embedded bar
- hole
- bar hole
- embedded
- reinforcing bar
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Abstract
The utility model relates to a member for restraining grouting anchor connection by using two ends of a reinforcing steel bar. In a cast-in-place concrete structure, mechanical connection methods, such as lap joint, welded connection and compression of a sleeve and the like are adopted for reinforcing steel bar connection. The member comprises prefabricated concrete shear wall members (1), wherein one transverse side in each prefabricated concrete shear wall member has a group of long embedded reinforcing steel bar holes (2); the other transverse side in each prefabricated concrete shear wall member has a group of short embedded reinforcing steel bar holes (3); two longitudinal sides in each prefabricated concrete shear wall member respectively have a group of embedded reinforcing steel bar holes (4); the long embedded reinforcing steel bar holes are longitudinally connected with a group of grouting through holes (5) and exhaust through holes (6); the short embedded reinforcing steel bar holes are longitudinally connected with another group of grouting through holes and exhaust through holes; the embedded reinforcing steel bar holes are longitudinally connected with another group of grouting through holes and exhaust through holes; and a group of restraint reinforcing steel bars (7) is formed at the peripheries of the long embedded reinforcing steel bar holes, the short embedded reinforcing steel bar holes and the embedded reinforcing steel bar holes. The member is used for connection between the prefabricated concrete shear wall members.
Description
technical field:
the utility model relates to a kind of member that uses the constraint grouting anchor connection of reinforcing bar two ends.
background technology:
in cast-in-place concrete structure, the connection of reinforcing bar adopts overlap joint to connect, be welded to connect or the mechanical connection method such as compression sleeve more.Wherein the overlap joint of reinforcing bar connects the simplest, be welded to connect or the construction of the mechanical connection such as compression sleeve comparatively complicated, but these traditional constructions must complete the connection of reinforcing bar before fluid concrete, be not suitable for the fabricated construction engineering method of precast concrete.
the utility model content:
the purpose of this utility model is to provide a kind of reserving hole on precast unit embedded bar side that utilizes and realizes the connection between longitudinal reinforcement, simple to operate, the member of the use reinforcing bar two ends constraint grouting anchor connection of dependable performance.
above-mentioned purpose realizes by following technical scheme:
a kind of member that uses the constraint grouting anchor connection of reinforcing bar two ends, its composition comprises: the precast concrete shear wall member, in described precast concrete shear wall member, a horizontal side has group leader's embedded bar hole, in described precast concrete shear wall member, horizontal opposite side has one group of short embedded bar hole, and in described precast concrete shear wall member, vertical both sides have one group of embedded bar hole; Described long embedded bar hole vertically connects one group of grouting through hole and exhaust hole, and described short embedded bar hole vertically connects one group of grouting through hole and exhaust hole, and described embedded bar hole vertically connects one group of grouting through hole and exhaust hole; Connect one group of constraint steel around described long embedded bar hole, described short embedded bar hole, described embedded bar hole.
the member of described use reinforcing bar two ends constraint grouting anchor connection, insert embedded bar in described long embedded bar hole, insert embedded bar in described embedded bar hole; Described long embedded bar hole and described short embedded bar hole arranged concentric, arranged concentric between described embedded bar hole, the length in described embedded bar hole is greater than the anchorage length of described embedded bar; The length in described short embedded bar hole is greater than the anchorage length of described embedded bar, and the length in described long embedded bar hole is greater than the twice of the anchorage length of described embedded bar.
the member of described use reinforcing bar two ends constraint grouting anchor connection, the described long embedded bar hole of described precast concrete shear wall member and middle part, below, described short embedded bar hole are provided with the grout hole under being tilted to, and the described long embedded bar hole of described precast concrete shear wall member and both sides, top, described short embedded bar hole are provided with the steam vent be tilted to.
the member of described use reinforcing bar two ends constraint grouting anchor connection, described short embedded bar hole, described long embedded bar hole, described embedded bar hole inwall are matsurface inwall or corrugated inwall or shape of threads inwall.
the member of described use reinforcing bar two ends constraint grouting anchor connection, described grout hole diameter is 10-20mm, and the steam vent diameter is 10-20mm, and described constraint reinforcing bar internal diameter is 60-70mm, and between described constraint reinforcing bar, spacing is 40-80mm.
the member of described use reinforcing bar two ends constraint grouting anchor connection, described grout hole diameter is 10 or 12 or 14 or 16 or 18 or 20mm, the steam vent diameter is 10 or 12 or 14 or 16 or 18 or 20mm, described constraint reinforcing bar internal diameter is 60 or 62 or 64 or 66 or 68 or 70mm, and between described constraint reinforcing bar, spacing is 40 or 50 or 60 or 70 or 80mm.
the member of described use reinforcing bar two ends constraint grouting anchor connection, described constraint reinforcing bar is helical form or ring-type, described constraint reinforcing bar internal diameter is greater than described long embedded bar hole and described embedded bar external diameter summation, described constraint reinforcing bar internal diameter is greater than described embedded bar hole and described embedded bar external diameter summation, and described constraint reinforcing bar internal diameter is greater than described short embedded bar hole and described embedded bar external diameter summation.
beneficial effect:
1. the long embedded bar of the utility model hole, short embedded bar hole, embedded bar hole and the pre-buried constraint reinforcing bar of rear insertion reinforcing bar periphery make concrete form the three dimension stress stress state, and concrete compressive property is effectively strengthened, limited the radially development of internal fissure of concrete, adhesion strength is improved, anchorage reliability strengthens, therefore switching performance is reliable, is applicable to again the construction characteristics of housing industrialization precast concrete.
the utility model no-reinforcing-bar exposes, and in the stacking process of precast concrete shear wall member, in member, reinforcing bar can not get rusty, and the transportation nothing is dangerous in urban district.
reinforcing bar attended operation between the precast concrete shear wall that the utility model is realized is simple, and work progress does not need complicated plant equipment and facility, does not also need power consumption.
the utility model construction is easy to assurance, and job site is dry operation substantially, has fully avoided all disadvantages of traditional reinforcing bar connected mode.
the environmental protection and energy saving of the utility model building course, reduce costs, save construction fund, be suitable for batch production production, improve the construction speed of building.
the accompanying drawing explanation:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is longitudinal connection structure schematic diagrames of accompanying drawing 1.
the horizontal sectional drawing that accompanying drawing 3 is accompanying drawing 2.
accompanying drawing 4 is transverse connection structure schematic diagrames of accompanying drawing 1.
the horizontal sectional drawing that accompanying drawing 5 is accompanying drawing 4.
the specific embodiment:
embodiment 1:
a kind of member that uses the constraint grouting anchor connection of reinforcing bar two ends, its composition comprises: precast concrete shear wall member 1, in described precast concrete shear wall member, a horizontal side has group leader's embedded bar hole 2, in described precast concrete shear wall member, horizontal opposite side has one group of short embedded bar hole 3, and in described precast concrete shear wall member, vertical both sides have one group of embedded bar hole 4; Described long embedded bar hole vertically connects one group of grouting through hole 5 and exhaust hole 6, and described short embedded bar hole vertically connects one group of grouting through hole and exhaust hole, and described embedded bar hole vertically connects one group of grouting through hole and exhaust hole; Connect one group of constraint reinforcing bar 7 around described long embedded bar hole, described short embedded bar hole, described embedded bar hole.
embodiment 2:
the member of the described use reinforcing bar of embodiment 1 two ends constraint grouting anchor connection, insert embedded bar in described long embedded bar hole, insert embedded bar 9 in described embedded bar hole; Described long embedded bar hole and described short embedded bar hole arranged concentric, arranged concentric between described embedded bar hole, the length in described embedded bar hole is greater than the anchorage length of described embedded bar; The length in described short embedded bar hole is greater than the anchorage length of described embedded bar, and the length in described long embedded bar hole is greater than the twice of the anchorage length of described embedded bar.
embodiment 3:
the member of the described use reinforcing bar of embodiment 1 or 2 two ends constraint grouting anchor connection,: the described long embedded bar hole of described precast concrete shear wall member and middle part, below, described short embedded bar hole are provided with the grout hole under being tilted to, and the described long embedded bar hole of described precast concrete shear wall member and both sides, top, described short embedded bar hole are provided with the steam vent be tilted to.
embodiment 4:
the member of the described use reinforcing bar of embodiment 1 two ends constraint grouting anchor connection, described short embedded bar hole, described long embedded bar hole, described embedded bar hole inwall are matsurface inwall or corrugated inwall or shape of threads inwall.
embodiment 5:
the member of the described use reinforcing bar of embodiment 1 two ends constraint grouting anchor connection, described grout hole diameter is 10-20mm, and the steam vent diameter is 10-20mm, and described constraint reinforcing bar internal diameter is 60-70mm, and between described constraint reinforcing bar, spacing is 40-80mm.
embodiment 6:
the member of the described use reinforcing bar of embodiment 5 two ends constraint grouting anchor connection, described grout hole diameter is 10 or 12 or 14 or 16 or 18 or 20mm, the steam vent diameter is 10 or 12 or 14 or 16 or 18 or 20mm, described constraint reinforcing bar internal diameter is 60 or 62 or 64 or 66 or 68 or 70mm, and between described constraint reinforcing bar, spacing is 40 or 50 or 60 or 70 or 80mm.
embodiment 7:
the member of the described use reinforcing bar of embodiment 1 two ends constraint grouting anchor connection, described constraint reinforcing bar is helical form or ring-type, described constraint reinforcing bar internal diameter is greater than described long embedded bar hole and described embedded bar external diameter summation, described constraint reinforcing bar internal diameter is greater than described embedded bar hole and described embedded bar external diameter summation, and described constraint reinforcing bar internal diameter is greater than described short embedded bar hole and described embedded bar external diameter summation.
embodiment 8:
a kind of method of attachment of using the member of reinforcing bar two ends constraint grouting anchor connection, while vertically connecting between the precast concrete shear wall member, the embedded bar hole of precast concrete shear wall member bottom arranges grout hole and steam vent, and the embedded bar hole on precast concrete shear wall member top arranges grout hole; Grout hole is in bottom, embedded bar hole, and steam vent is on top, embedded bar hole; When the precast concrete shear wall member laterally connects, the long embedded bar hole of precast concrete shear wall member and middle part, below, short embedded bar hole arrange grout hole, and grout hole is tilted to down; The both sides, top arrange steam vent, and steam vent is tilted to.
embodiment 9:
the method of attachment of the member of the described use reinforcing bar of embodiment 8 two ends constraint grouting anchor connection, insert reinforcing bar after in the short embedded bar hole at the precast concrete shear wall member, long embedded bar hole, embedded bar hole, and to short embedded bar hole, long embedded bar hole, embedded bar pour into grouting material in hole, realize that by the grouting material setting and harden Bar Anchorage overlaps connection indirectly, the precast concrete shear wall member connects and composes structural entity.
embodiment 10:
member and the method for attachment of the constraint grouting anchor connection of the described use reinforcing bar of above-described embodiment two ends, insert reinforcing bar after in the short embedded bar hole at the precast concrete shear wall member, long embedded bar hole, embedded bar hole, and to short embedded bar hole, long embedded bar hole, embedded bar pour into grouting material in hole, realize that by the grouting material setting and harden Bar Anchorage overlaps connection indirectly, the precast concrete shear wall member connects and composes structural entity.
by grouting material to short embedded bar hole, long embedded bar hole, embedded bar inject grouting material in hole, until grouting material, from steam vent reserves, shutoff steam vent, then plugging grouting hole, guarantee that in reserving hole, grouting material is closely knit.
when the precast concrete shear wall member vertically connects, the rear insertion reinforcing bar of lower floor inserts embedded bar hole, this layer of precast concrete shear wall member bottom, inserts reinforcing bar after member top precast concrete shear wall member inserts, and completes connection by grouting.In rear insertion reinforcing bar and precast concrete shear wall member, the embedded bar lap length is not less than anchorage length.
when modular level connects, must be in long embedded bar hole the pre-buried rear insertion reinforcing bar of one side, insert reinforcing bar after translation after the member installation, make rear insertion reinforcing bar both sides all meet anchorage length, and complete connection by grouting material.In rear insertion reinforcing bar and precast concrete shear wall member, the embedded bar lap length is not less than anchorage length.
Claims (7)
1. a member that uses the constraint grouting anchor connection of reinforcing bar two ends, its composition comprises: the precast concrete shear wall member, it is characterized in that: in described precast concrete shear wall member, a horizontal side has group leader's embedded bar hole, in described precast concrete shear wall member, horizontal opposite side has one group of short embedded bar hole, and in described precast concrete shear wall member, vertical both sides have one group of embedded bar hole; Described long embedded bar hole vertically connects one group of grouting through hole and exhaust hole, and described short embedded bar hole vertically connects one group of grouting through hole and exhaust hole, and described embedded bar hole vertically connects one group of grouting through hole and exhaust hole; Connect one group of constraint reinforcing bar around described long embedded bar hole, described short embedded bar hole, described embedded bar hole.
2. the member of use reinforcing bar according to claim 1 two ends constraint grouting anchor connection, is characterized in that: insert embedded bar in described long embedded bar hole, insert embedded bar in described embedded bar hole; Described long embedded bar hole and described short embedded bar hole arranged concentric, arranged concentric between described embedded bar hole, the length in described embedded bar hole is greater than the anchorage length of described embedded bar; The length in described short embedded bar hole is greater than the anchorage length of described embedded bar, and the length in described long embedded bar hole is greater than the twice of the anchorage length of described embedded bar.
3. use reinforcing bar according to claim 1 and 2 two ends retrain the member of grouting anchor connection, it is characterized in that: the described long embedded bar hole of described precast concrete shear wall member and middle part, below, described short embedded bar hole are provided with the grout hole under being tilted to, and the described long embedded bar hole of described precast concrete shear wall member and both sides, top, described short embedded bar hole are provided with the steam vent be tilted to.
4. use reinforcing bar according to claim 1 and 2 two ends retrain the member of grouting anchor connection, and it is characterized in that: described short embedded bar hole, described long embedded bar hole, described embedded bar hole inwall are matsurface inwall or corrugated inwall or shape of threads inwall.
5. use reinforcing bar according to claim 1 and 2 two ends retrain the member of grouting anchor connection, it is characterized in that: described grout hole diameter is 10-20mm, the steam vent diameter is 10-20mm, and described constraint reinforcing bar internal diameter is 60-70mm, and between described constraint reinforcing bar, spacing is 40-80mm.
6. use reinforcing bar according to claim 5 two ends retrain the member of grouting anchor connection, it is characterized in that: described grout hole diameter is 10 or 12 or 14 or 16 or 18 or 20mm, the steam vent diameter is 10 or 12 or 14 or 16 or 18 or 20mm, described constraint reinforcing bar internal diameter is 60 or 62 or 64 or 66 or 68 or 70mm, and between described constraint reinforcing bar, spacing is 40 or 50 or 60 or 70 or 80mm.
7. use reinforcing bar according to claim 1 and 2 two ends retrain the member of grouting anchor connection, it is characterized in that: described constraint reinforcing bar is helical form or ring-type, described constraint reinforcing bar internal diameter is greater than described long embedded bar hole and described embedded bar external diameter summation, described constraint reinforcing bar internal diameter is greater than described embedded bar hole and described embedded bar external diameter summation, and described constraint reinforcing bar internal diameter is greater than described short embedded bar hole and described embedded bar external diameter summation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605147 CN202882164U (en) | 2012-11-16 | 2012-11-16 | Member for restraining grouting anchor connection by using two ends of reinforcing steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605147 CN202882164U (en) | 2012-11-16 | 2012-11-16 | Member for restraining grouting anchor connection by using two ends of reinforcing steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202882164U true CN202882164U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220605147 Withdrawn - After Issue CN202882164U (en) | 2012-11-16 | 2012-11-16 | Member for restraining grouting anchor connection by using two ends of reinforcing steel bar |
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| CN (1) | CN202882164U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912928A (en) * | 2012-11-16 | 2013-02-06 | 黑龙江宇辉新型建筑材料有限公司 | Structural member for restraining grouting anchoring connection by using two ends of steel bar and connection method |
| CN106760054A (en) * | 2017-03-01 | 2017-05-31 | 同济大学 | Precast reinforced concrete shear wall |
| CN108118817A (en) * | 2018-02-06 | 2018-06-05 | 浙江大学建筑设计研究院有限公司 | A kind of plate end does not go out the unidirectional superimposed sheet bottom plate and its construction method of muscle |
| CN110258769A (en) * | 2018-08-17 | 2019-09-20 | 李藏柱 | The assembling structure and assembly method of prefabricated components |
-
2012
- 2012-11-16 CN CN 201220605147 patent/CN202882164U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912928A (en) * | 2012-11-16 | 2013-02-06 | 黑龙江宇辉新型建筑材料有限公司 | Structural member for restraining grouting anchoring connection by using two ends of steel bar and connection method |
| CN102912928B (en) * | 2012-11-16 | 2015-07-08 | 黑龙江宇辉新型建筑材料有限公司 | Structural member for restraining grouting anchoring connection by using two ends of steel bar and connection method |
| CN106760054A (en) * | 2017-03-01 | 2017-05-31 | 同济大学 | Precast reinforced concrete shear wall |
| CN106760054B (en) * | 2017-03-01 | 2023-01-31 | 同济大学 | Prefabricated reinforced concrete shear wall |
| CN108118817A (en) * | 2018-02-06 | 2018-06-05 | 浙江大学建筑设计研究院有限公司 | A kind of plate end does not go out the unidirectional superimposed sheet bottom plate and its construction method of muscle |
| CN110258769A (en) * | 2018-08-17 | 2019-09-20 | 李藏柱 | The assembling structure and assembly method of prefabricated components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |