CN102912928A - Structural member for restraining grouting anchoring connection by using two ends of steel bar and connection method - Google Patents
Structural member for restraining grouting anchoring connection by using two ends of steel bar and connection method Download PDFInfo
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- CN102912928A CN102912928A CN2012104613424A CN201210461342A CN102912928A CN 102912928 A CN102912928 A CN 102912928A CN 2012104613424 A CN2012104613424 A CN 2012104613424A CN 201210461342 A CN201210461342 A CN 201210461342A CN 102912928 A CN102912928 A CN 102912928A
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Abstract
The invention discloses a structural member for restraining grouting anchoring connection by using two ends of a steel bar and a connection method. In a cast-in-place concrete structure, steel bars are generally connected by a mechanical connection method such as hasping, welding and extrusion of sleeves. The structural member comprises a prefabricated concrete shear wall structural member (1), wherein a group of long pre-buried steel bar holes (2) are formed in one transverse side in the prefabricated concrete shear wall structural member; a group of short pre-buried steel bar holes (3) are formed in the other transverse side in the prefabricated concrete shear wall structural member; a group of pre-buried steel bar holes (4) are formed in two longitudinal sides of the prefabricated concrete shear wall structural member; the long pre-buried steel bar holes are longitudinally connected with a group of grouting through holes (5) and exhaust through holes (6); the short pre-buried steel bar holes are longitudinally connected with a group of grouting through holes and exhaust through holes; the pre-buried steel bar holes are longitudinally connected with a group of grouting through holes and exhaust through holes; and the long pre-buried steel bar holes, the short pre-buried steel bar holes and the pre-buried steel bar holes are connected with one another to form a group of restraining steel bars (7). The structural member is used for connection between prefabricated concrete shear wall structural members.
Description
technical field:
the present invention relates to a kind of member and method of attachment of using 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.
summary of the invention:
the purpose of this invention is to provide a kind of reserving hole on precast unit embedded bar side that utilizes and realize the connection between longitudinal reinforcement, simple to operate, member and the method for attachment 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.
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.
the method of attachment of the member of described use reinforcing bar two ends constraint grouting anchor connection, insert the rear reinforcing bar that inserts 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.
beneficial effect:
1. the long embedded bar of the present invention 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.
no-reinforcing-bar of the present invention 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 present invention realizes is simple, and work progress does not need complicated plant equipment and facility, does not also need power consumption.
the present invention's construction is easy to assurance, and job site is dry operation substantially, has fully avoided all disadvantages of traditional reinforcing bar connected mode.
building course environmental protection and energy saving of the present invention, 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 (9)
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.
8. a method of attachment of using the member of reinforcing bar two ends constraint grouting anchor connection, it is characterized in that: 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.
9. the method for attachment of the member of use reinforcing bar according to claim 8 two ends constraint grouting anchor connection, it is characterized in that: after in the short embedded bar hole at the precast concrete shear wall member, long embedded bar hole, embedded bar hole, insert reinforcing bar, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210461342.4A CN102912928B (en) | 2012-11-16 | 2012-11-16 | Structural member for restraining grouting anchoring connection by using two ends of steel bar and connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210461342.4A CN102912928B (en) | 2012-11-16 | 2012-11-16 | Structural member for restraining grouting anchoring connection by using two ends of steel bar and connection method |
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| CN102912928A true CN102912928A (en) | 2013-02-06 |
| CN102912928B CN102912928B (en) | 2015-07-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759941A (en) * | 2017-02-21 | 2017-05-31 | 安徽省高迪环保股份有限公司 | Using the prefabricated component construction method of pneumatics moving pin |
| CN106760228A (en) * | 2017-01-18 | 2017-05-31 | 成张佳宁 | The method of precast shear wall wall Vertical bar connection |
| CN109779011A (en) * | 2019-01-23 | 2019-05-21 | 山东建筑大学 | The method and structure of microorganism grouting anchor connection concrete component longitudinal reinforcement |
| CN112127494A (en) * | 2020-09-25 | 2020-12-25 | 赵景柱 | Foamed concrete insulation board |
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| CN201972269U (en) * | 2011-01-20 | 2011-09-14 | 陈云 | Prefabricated reinforcing steel bar concrete shear wall |
| CN202273335U (en) * | 2011-08-30 | 2012-06-13 | 东南大学 | Vertical mixed connection structure for assembling precast internal wallboards with shear wall structures |
| KR20120087418A (en) * | 2011-01-28 | 2012-08-07 | 대림산업 주식회사 | Concrete Wall having Vertical Connection of Precast Concrete Wall Panel and Constructing Method |
| CN202882164U (en) * | 2012-11-16 | 2013-04-17 | 黑龙江宇辉新型建筑材料有限公司 | Member for restraining grouting anchor connection by using two ends of reinforcing steel bar |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101503896A (en) * | 2009-02-04 | 2009-08-12 | 南通建筑工程总承包有限公司 | Vertical connection nodes of I-shaped shear wall |
| CN201972269U (en) * | 2011-01-20 | 2011-09-14 | 陈云 | Prefabricated reinforcing steel bar concrete shear wall |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760228A (en) * | 2017-01-18 | 2017-05-31 | 成张佳宁 | The method of precast shear wall wall Vertical bar connection |
| CN106759941A (en) * | 2017-02-21 | 2017-05-31 | 安徽省高迪环保股份有限公司 | Using the prefabricated component construction method of pneumatics moving pin |
| CN109779011A (en) * | 2019-01-23 | 2019-05-21 | 山东建筑大学 | The method and structure of microorganism grouting anchor connection concrete component longitudinal reinforcement |
| CN112127494A (en) * | 2020-09-25 | 2020-12-25 | 赵景柱 | Foamed concrete insulation board |
| CN112127494B (en) * | 2020-09-25 | 2021-12-17 | 建型(山东)建材科技有限公司 | Foamed concrete insulation board |
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| Publication number | Publication date |
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| CN102912928B (en) | 2015-07-08 |
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Inventor after: Liu Wenqing Inventor after: Yan Hongying Inventor after: Zhu Yujun Inventor before: Liu Wenqing Inventor before: Yan Hongying |
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