CN203347018U - T-shaped-end-head pre-buried rebar - Google Patents
T-shaped-end-head pre-buried rebar Download PDFInfo
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- CN203347018U CN203347018U CN 201320400216 CN201320400216U CN203347018U CN 203347018 U CN203347018 U CN 203347018U CN 201320400216 CN201320400216 CN 201320400216 CN 201320400216 U CN201320400216 U CN 201320400216U CN 203347018 U CN203347018 U CN 203347018U
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- anchor disc
- reinforcing bar
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- bar
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Abstract
The utility model relates to a T-shaped-end-head pre-buried rebar which comprises a pre-buried rebar body. The T-shaped-end-head pre-buried rebar is characterized in that the pre-buried rebar body comprises a rebar body and an anchoring disc with an end portion formed by vertical hot forging, and after hot forging, the rebar body and the anchoring disc are of a T-shaped structure integrally. The T-shaped-end-head pre-buried rebar has the advantages that the T-shaped structure is formed by hot forging of ribbed rebars, so that when the T-shaped-end-head pre-buried rebar is placed in a precast concrete plate, axial tensile strength can be improved, and axial displacement of the pre-buried rebar in a concrete structure can be reduced; under the condition that bending resistance of the precast concrete plate is unchanged, thickness of the precast concrete plate can be reduced, weight can be reduced, and materials can be saved, or under the condition that the thickness of the precast concrete plate is unchanged, bending resistance of the precast concrete plate can be improved.
Description
Technical field
The utility model belongs to building pre-buried structure part, relates in particular to a kind of embedded bar that concrete prefabricated board is built the T-shaped termination of front use that is applicable to.
Background technology
Reinforced concrete structure refers to the structure made from the concrete of being furnished with the reinforcing bar enhancing.The main member of load-bearing is built with steel concrete.The building that comprises the reinforced concrete structure that thin shell structures, large form cast-in-place structural and use sliding formwork, lift slab etc. are built.A kind of structure made from reinforcing bar and concrete.The reinforcing bar bearing tension, concrete bears pressure.Have firm, durable, fireproof performance is good and low cost and other advantages.In order to give full play to concrete compression capability, need to be in the concrete in tension zone or corresponding site add the reinforcing bar of some, make bi-material be bonded to an integral body, jointly bear external force.Usually add crotch, bending or provide anchoring ability at anchorage zone weldering bar dowel, leg steel end reinforced.In recent years, follow concrete prefabricated board batch production, industrialization, the reinforcement of concrete Ribbed Bar is widely adopted.The hot rolled ribbed steel bar various countries mostly are used for engineering with the form of weldering net, use on a small quantity the colligation at the scene of vertical bar reinforcing bar.No matter be vertical bar reinforcing bar or weldering net, all carry out batch production production, deliver to job site by the construction speed requirement in batches, the bar bender only need, by the figure lay, not need to remake any processing.Ribbed Bar one end becomes nail circular cap type embedded ribs through forge hot, during use, because contact area is little, easily from concrete structure, axially extract, and the circle cap takes up room greatly, causes concrete to be thickeied.
The utility model content
The utility model is in order to overcome deficiency of the prior art, a kind of embedded bar of T-shaped termination is provided, in concrete prefabricated board, improve the reinforcing bar axial tensile strength, reduce embedded bar axially displacement in concrete structure, in the concrete prefabricated board bending resistance, under constant condition, reduce its thickness, weight reduction, save material; Or, under the constant condition of concrete prefabricated plate thickness, strengthen its bending resistance.
The utility model for achieving the above object, be achieved through the following technical solutions, a kind of embedded bar of T-shaped termination is provided, comprise the embedded bar body, it is characterized in that: described embedded bar body comprises the anchor disc of reinforcing bar main body and end vertical thermal forging molding, after described reinforcing bar main body and anchor disc forge hot, is T-shaped overall structure.
Described reinforcing bar main body adopts hot rolled ribbed steel bar.
Described anchor disc comprises anchor disc medial surface and anchor disc lateral surface, and described anchor disc medial surface is vertical with reinforcing bar main body longitudinal axis, and described anchor disc medial surface forms the anchor disc with thickness by excessive arc surface and anchor disc lateral surface.
The area of described anchor disc medial surface is greater than long-pending 4 times of reinforcing bar body cross-section.
Described anchor disc thickness is greater than 70% of reinforcing bar main diameter.
Described anchor disc lateral surface width dimensions is identical with the reinforcing bar main diameter.
Described anchor disc top is provided with the thickness end face vertical with anchor disc medial surface and lateral surface thereof, and described thickness end face is parallel with reinforcing bar main body longitudinal axis.
Beneficial effect: be T-shaped structure by the Ribbed Bar hot-forging forming, in concrete prefabricated board, improve axial tensile strength, reduce embedded bar axially displacement in concrete structure, under the constant condition of concrete prefabricated board bending resistance, reduce its thickness, weight reduction, save material.Or, under the constant condition of concrete prefabricated plate thickness, strengthen its bending resistance.
The accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is that axis of no-feathering of the present utility model measures intention.
In figure: 1, Ribbed Bar main body, 2, anchor disc, 3, the anchor disc medial surface, 4, the anchor disc lateral surface, 5, excessive arc surface, 6, anchor disc thickness end face.
The specific embodiment
Below in conjunction with preferred embodiment, details are as follows for the specific embodiment that foundation the utility model is provided:
Embodiment
Refer to accompanying drawing 1,2, embodiment of the present utility model provides a kind of embedded bar of T-shaped termination, comprise the embedded bar body, described embedded bar body comprises the anchor disc 2 of reinforcing bar main body and end vertical thermal forging molding, after described reinforcing bar main body and anchor disc forge hot, is T-shaped overall structure.Described reinforcing bar main body adopts hot rolled ribbed steel bar main body 1.Described anchor disc comprises anchor disc medial surface 3 and anchor disc lateral surface 4, and described anchor disc medial surface is vertical with reinforcing bar main body longitudinal axis, and described anchor disc medial surface forms the anchor disc with thickness by excessive arc surface 5 and anchor disc lateral surface.T-shaped overall structure and concrete surface are long-pending large, increase the axial tensile strength of anchor disc medial surface and Ribbed Bar main body.During the concrete prefabricated board arrangement of reinforcement, the 3.5 meters long precast plates of take are example:
T-shaped embedded bar of the present utility model, 19 millimeters of diameters, 1.945 meters of length are as vertical lacing wire, the zygote plate is divided into three parts, and the space width of two ends zygote plate is respectively 1.565 meters, and middle zygote board space width is 0.41 meter, when one group of two T-shaped embedded bar passes the zygote plate, for wherein one left another root run through to the right, zygote board space in the middle of every group of T-shaped embedded bar overlaps with the reinforcing bar of anchor disc end, its overlap length is 0.285 meter.Because its anchoring card is connected with reinforcing bar body right angle, make itself and concrete joint contravention area large, cause tensile strength large.Pressurization therebetween after the precast plate moulding, its failure load is 191.2KN.
Because the embedded bar of every group of T-shaped termination is overlapping short at middle part, and load is large, not only overcome the concrete prefabricated board midway deflection, strengthened the intensity of monolithic concrete precast plate, the embedded bar entire length of T-shaped termination can also be shortened simultaneously, save material, convenient transportation, execute-in-place facility.
Preferred version of the present utility model is that described anchor disc lateral surface width dimensions is identical with the reinforcing bar main diameter, and the area of described anchor disc medial surface 3 is greater than 4 times of reinforcing bar main body 1 sectional areas.Described anchor disc thickness is greater than 70% of reinforcing bar main diameter, can gain in strength and can save material.
It is parallel with reinforcing bar main body longitudinal axis that preferred version of the present utility model is that described anchor disc top is provided with anchor disc thickness end face 6, can reduce the radial space of embedded bar body, reduces the thickness of concrete prefabricated board.
The above, be only preferred embodiment of the present utility model, not structure of the present utility model done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of the technical solution of the utility model.
Claims (7)
1. the embedded bar of a T-shaped termination, comprise the embedded bar body, it is characterized in that: described embedded bar body comprises the anchor disc of reinforcing bar main body and end vertical thermal forging molding, after described reinforcing bar main body and anchor disc forge hot, is T-shaped overall structure.
2. the embedded bar of T-shaped termination according to claim 1, is characterized in that: described reinforcing bar main body employing hot rolled ribbed steel bar.
3. the embedded bar of T-shaped termination according to claim 1 and 2, it is characterized in that: described anchor disc comprises anchor disc medial surface and anchor disc lateral surface, described anchor disc medial surface is vertical with reinforcing bar main body longitudinal axis, and described anchor disc medial surface forms the anchor disc with thickness by excessive arc surface and anchor disc lateral surface.
4. the embedded bar of T-shaped termination according to claim 3 is characterized in that: the area of described anchor disc medial surface is greater than long-pending 4 times of reinforcing bar body cross-section.
5. the embedded bar of T-shaped termination according to claim 4, it is characterized in that: described anchor disc thickness is greater than 70% of reinforcing bar main diameter.
6. the embedded bar of T-shaped termination according to claim 5, it is characterized in that: described anchor disc lateral surface width dimensions is identical with the reinforcing bar main diameter.
7. the embedded bar of T-shaped termination according to claim 6, it is characterized in that: described anchor disc top is provided with the thickness end face vertical with anchor disc medial surface and lateral surface thereof, and described thickness end face is parallel with reinforcing bar main body longitudinal axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320400216 CN203347018U (en) | 2013-07-05 | 2013-07-05 | T-shaped-end-head pre-buried rebar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320400216 CN203347018U (en) | 2013-07-05 | 2013-07-05 | T-shaped-end-head pre-buried rebar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347018U true CN203347018U (en) | 2013-12-18 |
Family
ID=49746934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320400216 Expired - Fee Related CN203347018U (en) | 2013-07-05 | 2013-07-05 | T-shaped-end-head pre-buried rebar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203347018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797894A (en) * | 2017-04-26 | 2018-11-13 | 株式会社小野工业所 | Reinforcing bar |
| CN108797345A (en) * | 2017-04-26 | 2018-11-13 | 株式会社小野工业所 | Reinforcing bar |
| CN109518882A (en) * | 2017-09-19 | 2019-03-26 | 株式会社小野工业所 | Reinforcing bar |
-
2013
- 2013-07-05 CN CN 201320400216 patent/CN203347018U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797894A (en) * | 2017-04-26 | 2018-11-13 | 株式会社小野工业所 | Reinforcing bar |
| CN108797345A (en) * | 2017-04-26 | 2018-11-13 | 株式会社小野工业所 | Reinforcing bar |
| CN109518882A (en) * | 2017-09-19 | 2019-03-26 | 株式会社小野工业所 | Reinforcing bar |
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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 |
Granted publication date: 20131218 Termination date: 20170705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |