CN213710106U - Non-adhesive prestressed tendon stretching end outward-protruding type plugging connecting node structure - Google Patents
Non-adhesive prestressed tendon stretching end outward-protruding type plugging connecting node structure Download PDFInfo
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- CN213710106U CN213710106U CN202022393658.7U CN202022393658U CN213710106U CN 213710106 U CN213710106 U CN 213710106U CN 202022393658 U CN202022393658 U CN 202022393658U CN 213710106 U CN213710106 U CN 213710106U
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Abstract
The utility model provides an outward convex plugging connection node structure of unbonded prestressed tendon stretching end, which comprises a stressed foundation structure, an anchorage device stretching end, a prestressed tendon end, an anticorrosive coating, an end cover, a reserved beard tendon and a concrete layer; the anchorage device stretching end comprises a prestressed tendon end and a clamping piece, wherein the prestressed tendon end extends out of the surface of the stressed base structure; the clamping piece is sleeved on the prestressed rib end, an anticorrosive layer is arranged on the clamping piece and the prestressed rib end, the anticorrosive layer is an epoxy resin anticorrosive layer, and an end cover is arranged on the prestressed rib end; reserved beard ribs are arranged on the stressed base structure on the periphery of the end of the prestressed tendon, the reserved beard ribs on the periphery extend out of the surface of the stressed base structure by 80mm and are vertically bent toward the center to be aligned and are arranged in a crossed and overlapped mode, and the reserved beard ribs are located on the outer side of the end cover; and a concrete layer with a rectangular cross section is poured outside the end head of the prestressed tendon, and a layer of alkali-resistant glass fiber gridding cloth layer with a C-shaped cross section is arranged in the concrete layer.
Description
Technical Field
The utility model relates to a construction technical field especially relates to an unbounded prestressing tendons stretch-draw end evagination formula shutoff connected node structure.
Background
The unbonded prestressed reinforcing steel is made by coating prestressed steel with plastics, SHANZHI and the like, can be arranged in or out of a concrete structure body and cannot be bonded with concrete, and the tensile force of the prestressed reinforcing steel can only be transmitted to the concrete through an anchorage device and a direction changing device forever. The existing unbonded prestressed tendon tensioning end has poor anchor sealing treatment, the end part of the tensioning end is easy to rust and corrode, a protective layer for sealing the anchor is not firm enough, and the problems of cracking and incompact are easy to occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide an unbounded prestressing tendons stretch-draw end evagination formula shutoff connected node structure, adopt the utility model discloses a structure will stretch-draw end evagination formula shutoff, is provided with anticorrosive coating and end cover, carries out the anticorrosion and handles, is provided with the fine net cloth layer of reservation beard muscle, concrete layer and alkali-resisting glass, seals anchor protective layer construction and handles, and connection structure intensity is high, firmly good, is difficult for taking place the fracture.
In order to achieve the above object, the utility model adopts the following technical scheme: an outward convex type plugging connection node structure of an unbonded prestressed tendon tensioning end comprises a stressed foundation structure, an anchorage tensioning end, prestressed tendon ends, an anticorrosive layer, an end cover, a reserved beard tendon and a concrete layer; the anchorage device stretching end comprises a prestressed tendon end and a clamping piece, wherein the prestressed tendon end extends out of the surface of the stressed base structure; the clamping piece is sleeved on the prestressed rib end, an anticorrosive layer is arranged on the clamping piece and the prestressed rib end, the anticorrosive layer is an epoxy resin anticorrosive layer, and an end cover is arranged on the prestressed rib end; reserved beard ribs are arranged on the stressed base structure on the periphery of the end of the prestressed tendon, the reserved beard ribs on the periphery extend out of the surface of the stressed base structure by 80mm and are vertically bent toward the center to be aligned and are arranged in a crossed and overlapped mode, and the reserved beard ribs are located on the outer side of the end cover; the concrete layer with a rectangular cross section is poured outside the end of the prestressed tendon, the reserved beard tendon and the end cover are covered by the concrete layer, and a layer of alkali-resistant glass fiber gridding cloth layer with a C-shaped cross section is arranged in the concrete layer.
Preferably, the concrete layer is a micro-expansion fine stone concrete layer.
Preferably, the diameter of the reserved beard tendon is larger than 8 mm.
The utility model has the advantages that: adopt the utility model discloses a structure will stretch out and draw the end evagination formula shutoff, is provided with anticorrosive coating and end cover, carries out the anticorrosion and handles, is provided with the fine net cloth layer of reservation beard muscle, concrete layer and alkali-resisting glass, seals the construction of anchor protective layer and handles, and connection structure intensity is high, and is firm good, is difficult for taking place the fracture.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of an outward convex type plugging connecting node at a stretching end of an unbonded prestressed tendon.
Wherein: 1 is a stressed foundation structure, 2 is an anchorage device stretching end, 3 is a prestressed tendon end, 4 is an anticorrosive coating, 5 is an end cover, 6 is a reserved beard tendon, 7 is a concrete layer, 8 is an alkali-resistant glass fiber gridding cloth layer, and 9 is a clamping piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the unbonded prestressed tendon tensioning end outward-protruding type plugging connecting node structure comprises a stressed foundation structure 1, an anchorage tensioning end 2, a prestressed tendon end 3, an anticorrosive coating 4, an end cover 5, a reserved beard tendon 6 and a concrete layer 7; the anchorage device stretching end 1 comprises a prestressed tendon end 3 extending out of the surface of the stressed foundation structure 1 and a clamping piece 9; the clamping piece 9 is sleeved on the prestressed tendon end 3, the clamping piece 9 and the prestressed tendon end 3 are provided with an anticorrosive coating 4, the anticorrosive coating 4 is an epoxy resin anticorrosive coating, and the prestressed tendon end 3 is provided with an end cover 5; reserved beard ribs 6 are arranged on the stress base structure 1 around the prestressed tendon end 3, the reserved beard ribs 6 around extend out of the surface of the stress base structure 1 by 80mm, are vertically bent towards the center, are aligned and are arranged in a crossed and overlapped mode, and the reserved beard ribs 6 are located on the outer side of the end cover 5; a concrete layer 7 with a rectangular cross section is poured outside the prestressed tendon end 3, the reserved beard tendon 6 and the end cover 5 are covered by the concrete layer 7, and a layer of alkali-resistant glass fiber gridding cloth layer 8 with a C-shaped cross section is arranged in the concrete layer 7.
In specific implementation, the concrete layer 7 is a micro-expansion fine stone concrete layer.
In specific implementation, the diameter of the reserved beard rib 6 is larger than 8 mm.
Claims (3)
1. The utility model provides an outer convex shutoff connected node structure of unbonded prestressing tendons stretch-draw end which characterized in that: comprises a stressed foundation structure, an anchorage device stretching end, a prestressed tendon end, an anticorrosive coating, an end cover, a reserved beard tendon and a concrete layer; the anchorage device stretching end comprises a prestressed tendon end and a clamping piece, wherein the prestressed tendon end extends out of the surface of the stressed base structure; the clamping piece is sleeved on the prestressed rib end, an anticorrosive layer is arranged on the clamping piece and the prestressed rib end, the anticorrosive layer is an epoxy resin anticorrosive layer, and an end cover is arranged on the prestressed rib end; reserved beard ribs are arranged on the stressed base structure on the periphery of the end of the prestressed tendon, the reserved beard ribs on the periphery extend out of the surface of the stressed base structure by 80mm and are vertically bent toward the center to be aligned and are arranged in a crossed and overlapped mode, and the reserved beard ribs are located on the outer side of the end cover; the concrete layer with a rectangular cross section is poured outside the end of the prestressed tendon, the reserved beard tendon and the end cover are covered by the concrete layer, and a layer of alkali-resistant glass fiber gridding cloth layer with a C-shaped cross section is arranged in the concrete layer.
2. The unbonded prestressed tendon tensioning end outward-protruding type plugging connection node structure of claim 1, wherein: the concrete layer is a micro-expansion fine stone concrete layer.
3. The unbonded prestressed tendon tensioning end outward-protruding type plugging connection node structure of claim 1, wherein: the diameter of the reserved beard tendon is larger than 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022393658.7U CN213710106U (en) | 2020-10-23 | 2020-10-23 | Non-adhesive prestressed tendon stretching end outward-protruding type plugging connecting node structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022393658.7U CN213710106U (en) | 2020-10-23 | 2020-10-23 | Non-adhesive prestressed tendon stretching end outward-protruding type plugging connecting node structure |
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| CN213710106U true CN213710106U (en) | 2021-07-16 |
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| CN202022393658.7U Active CN213710106U (en) | 2020-10-23 | 2020-10-23 | Non-adhesive prestressed tendon stretching end outward-protruding type plugging connecting node structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550596A (en) * | 2021-07-27 | 2021-10-26 | 中国建筑一局(集团)有限公司 | Prestress construction process for high-rise building structure |
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2020
- 2020-10-23 CN CN202022393658.7U patent/CN213710106U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550596A (en) * | 2021-07-27 | 2021-10-26 | 中国建筑一局(集团)有限公司 | Prestress construction process for high-rise building structure |
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