CN113006379B - Detachable assembled frame building prestressed reinforcement extension connector and use method thereof - Google Patents
Detachable assembled frame building prestressed reinforcement extension connector and use method thereof Download PDFInfo
- Publication number
- CN113006379B CN113006379B CN202110304708.6A CN202110304708A CN113006379B CN 113006379 B CN113006379 B CN 113006379B CN 202110304708 A CN202110304708 A CN 202110304708A CN 113006379 B CN113006379 B CN 113006379B
- Authority
- CN
- China
- Prior art keywords
- anchor plate
- plate
- bolt
- prestressed
- anchor
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
Abstract
The invention relates to a detachable assembled frame building prestressed reinforcement lengthening connector and a use method thereof, wherein a lower base plate is arranged on an anchoring concrete surface, a first anchor plate is arranged above the lower base plate, a plurality of first prestressed reinforcement holes and a plurality of first fastening connecting holes are circumferentially arranged on the first anchor plate, and the upper end of a lower prestressed reinforcement sequentially passes through the lower base plate and the first anchor plate and is anchored by a lower clamping piece; the second anchor plate is arranged above the first anchor plate, a plurality of second prestressed tendon holes and a plurality of second fastening connecting holes are formed in the second anchor plate along the circumferential direction, and the lower ends of the upper prestressed tendons penetrate through the second anchor plate and are anchored by the upper clamping pieces; the second fastening connecting piece passes through the second fastening connecting hole and then is screwed into the first fastening connecting hole of the second part, the sleeve is sleeved outside the lower prestressed tendon and the upper prestressed tendon, the upper end of the sleeve is propped against the upper clamping piece, and the lower end of the sleeve is propped against the lower clamping piece. The invention does not need to stretch the prestressed tendons again when being disassembled, is applicable to a narrow space and has strong practicability.
Description
Technical Field
The invention relates to the technical field of prestress tensioning connectors, in particular to a detachable assembled frame building prestress rib lengthening connector and a using method thereof.
Background
Along with the development of industrialization of building structures, the application range of the prefabricated assembly type structure is gradually expanded, and the form of the post-tensioned prestressing tendons is also more widely applied. The prestressed concrete technology is a key technology in the development of the fabricated structure, the prefabricated components are connected together by applying prestressing force on the prefabricated components, and part of the structure can counteract the load by the prestressing force, so that the bearing capacity of the components is increased. The most common method for obtaining prestress of concrete is to stretch the prestress rib, and the clip type anchorage is a common tool for anchoring the prestress rib.
The clip type anchorage device mainly comprises a clip piece, an anchorage plate and an anchorage backing plate. The anchor plate is provided with a conical hole, the clamping piece is used for holding the prestressed tendon, and the prestressed tendon is anchored in the conical hole of the anchor plate when the prestressed tendon is retracted, so that the pretensioning effect is realized. However, if the traditional clip type anchorage needs to be disassembled, a certain length of ribs need to be reserved, the ribs are stretched in advance during the disassembly, the clip is taken out, and then the anchorage plate is disassembled. However, in part of the structure, the space for reserving the ribs after tensioning and anchoring is not provided, the operation space for tensioning and dismantling the ribs is small, and the anchor is dismantled after inconvenient use. Therefore, there is a need to design and develop an anchor form and connection technique that has sufficient anchoring strength and is easy to install and detach in a narrow working space.
Disclosure of Invention
The first object of the present invention is to provide a detachable and assembled frame construction prestressed tendon lengthening connector, which has sufficient anchoring strength, does not need to stretch the prestressed tendon again during detachment, is suitable for realizing prestress transmission in a narrow operation space, has strong practicability, and can be recycled after detachment.
The second object of the invention is to provide a method for using the detachable assembled frame construction prestressed reinforcement extension connector.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention relates to a detachable assembled frame building prestressed reinforcement lengthening connector, which comprises a lower anchor, an upper anchor and a connecting part; the lower anchorage comprises a lower backing plate, first fastening connecting pieces, lower prestressed tendons, first anchor plates and lower clamping pieces, wherein the lower backing plate is fixedly arranged on an anchored concrete surface, the first anchor plates are arranged above the lower backing plate, a space is reserved between each first anchor plate and the lower backing plate, a plurality of first prestressed tendon holes and a plurality of first fastening connecting holes are circumferentially formed in the first anchor plates, the radius of the circumference of each first prestressed tendon hole is smaller than that of each first fastening connecting hole, the first fastening connecting pieces are fastened and connected with the first anchor plates, screw rod sections of the first fastening connecting pieces are abutted to the lower backing plate after penetrating through the first fastening connecting holes of the first parts in a rotating mode, one lower clamping piece is arranged in each first prestressed tendon hole, and the upper ends of the lower prestressed tendons sequentially penetrate through the lower backing plate and the first anchor plates and are anchored by the lower clamping pieces; the upper anchorage comprises a second anchorage plate, an upper prestressed tendon and an upper clamping piece, wherein the second anchorage plate is arranged above the first anchorage plate, a space is reserved between the second anchorage plate and the first anchorage plate, a plurality of second prestressed tendon holes and a plurality of second fastening connecting holes are formed in the second anchorage plate along the circumferential direction, the second prestressed tendon holes correspond to the first prestressed tendon holes in position, the second fastening connecting holes correspond to the first fastening connecting holes of the second part in position, an upper clamping piece is arranged in each second prestressed tendon hole, and the lower ends of the upper prestressed tendons are anchored by the upper clamping pieces after penetrating through the second anchorage plate; the connecting part comprises a second fastening connecting piece and a sleeve, wherein the second fastening connecting piece passes through a second fastening connecting hole and then is screwed into the first fastening connecting hole of the second part so as to connect the first anchor plate with the second anchor plate; the sleeve is sleeved outside the lower prestressed tendons and the upper prestressed tendons, the upper end of the sleeve abuts against the upper clamping piece, and the lower end of the sleeve abuts against the lower clamping piece.
The detachable assembled frame building prestressed reinforcement lengthening connector is characterized in that preferably, the second fastening connecting piece is a half-thread bolt, the length of the second fastening connecting piece is the sum of the thickness of the second anchor plate, the thickness of the first anchor plate and the distance between the thickness of the first anchor plate and the thickness of the first anchor plate, and the length of a thread on the second fastening connecting piece is equal to the thickness of the first anchor plate.
The detachable assembled frame building prestressed reinforcement lengthening connector is characterized in that preferably, the first fastening connecting piece is a full-thread bolt, and the length of the first fastening connecting piece is the sum of the thickness of the first anchor plate and the distance between the first anchor plate and the lower backing plate.
The detachable assembled frame building prestressed tendon lengthening connector is characterized in that the first anchor plate and the second anchor plate are disc-shaped with equal radius.
The detachable assembled frame building prestressed reinforcement lengthening connector is characterized in that the lower base plate is of an annular structure, and the lower prestressed reinforcement penetrates through the annular holes.
The application method of the detachable assembled frame building prestressed reinforcement lengthening connector comprises the following steps:
1) Placing a lower backing plate in a device space reserved in a concrete lower column, penetrating a first fastening connecting piece into a first part fastening connecting hole around a first anchor plate, placing the first anchor plate above the lower backing plate, penetrating a lower prestressed tendon through the lower backing plate and the first anchor plate, tensioning the lower prestressed tendon, anchoring the lower prestressed tendon in a conical pore canal of the first anchor plate by using a lower clamping piece, and cutting off a plurality of residual prestressed tendons;
2) The lower end of the upper prestressed tendon is anchored on the second anchor plate by utilizing an upper clamping piece, and the second fastening connecting piece penetrates through the second anchor plate and then is screwed into the first anchor plate, so that the first anchor plate and the second anchor plate are connected;
3) Placing the sleeve to prop against the upper clamping piece and the lower clamping piece, gradually screwing the second fastening connecting piece, enabling the sleeve to prop against the upper clamping piece and the lower clamping piece, and preventing the clamping pieces from sliding off; continuing to install the upper building structure, and pre-stressing tendons are arranged at the other anchoring end Zhang Lashang to finish the transmission of anchoring force;
4) When the device is disassembled, after the upper prestressed tendons are unloaded, the second fastening connecting piece is disassembled, and the second anchor plate, the upper prestressed tendons, the upper clamping pieces and the sleeve are taken out; at the moment, the distance between the first anchor plate and the lower backing plate is adjusted through the first fastening connecting piece, and the lower anchor device of the device is removed after the lower prestressed tendons are unloaded.
Due to the adoption of the technical scheme, the invention has the following advantages:
according to the invention, the prestressed tendons at the two ends are respectively anchored through the upper anchor and the lower anchor, and the anchoring force is transmitted through the connecting part, so that the anchoring and the connection of the prestressed tendons in a narrow operation space are realized, the prestressed tendons are not required to be reserved for secondary tensioning and anchor unloading, the occupied space is small, the disassembly is convenient, and the construction period and the cost are saved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a detachable assembled frame construction tendon lengthening connector according to the present invention;
FIG. 2 is a schematic view of the second anchor plate of FIG. 1;
FIG. 3 is a schematic view of the first anchor plate of FIG. 1;
FIG. 4 is a schematic view of the lower plate of FIG. 1;
fig. 5 is a schematic structural view of the use state of the detachable assembled frame construction prestressed reinforcement extension connector according to the present invention.
The reference numerals in the drawings are as follows:
1-a lower anchorage device; 101-a lower backing plate; 102-a first bolt; 103-lower prestressed tendons; 104-a first anchor plate; 105-lower clip; 106-a first prestressed tendon hole; 107-first bolt holes; 2-upper anchorage devices; 201-a second anchor plate; 202-upper prestressed tendons; 203-loading the clamping piece; 204-second prestressing tendon holes; 205-a second bolt hole; 3-connecting parts; 301-a second bolt; 302-sleeve; 4-lower column.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings, so that the objects, features and advantages of the present invention will be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the invention, but rather are merely illustrative of the true spirit of the invention.
As shown in fig. 1 to 4, the detachable assembled frame building prestressed tendon extension connector provided by the invention can be a plurality of groups of extension connectors which are arranged from bottom to top, and each extension connector comprises a lower anchor 1, an upper anchor 2 and a connecting part 3;
the lower anchorage device 1 comprises a lower base plate 101, a first bolt 102, a lower prestress rib 103, a first anchor plate 104 and a lower clamping piece 105, wherein the lower base plate 101 is fixedly arranged on an anchored concrete surface, the first anchor plate 104 is arranged above the lower base plate 101, and a space is reserved between the lower anchor plate and the lower base plate 101; a plurality of first tendon holes 106 and a plurality of first bolt holes 107 (see fig. 3) are formed in the first anchor plate 104 along the circumferential direction, the radius of the circumference of each first tendon hole 106 is smaller than that of each first bolt hole 107, the first bolts 102 are fixedly connected with the first anchor plate 104, the screw sections of the first bolts 102 are abutted against the lower base plate 101 after penetrating through the first bolt holes 107 of the first part in a rotating manner, a lower clamping piece 105 is arranged in each first tendon hole 106, and the upper ends of the lower tendons 103 sequentially penetrate through the lower base plate 101 and the first anchor plate 104 and are anchored by the lower clamping pieces 105; when the lengthening connector is positioned at the lowest layer, the lower end of the lower prestressed tendon 103 is fixedly arranged on the first anchoring concrete surface; when the extension connector is in the middle position, the upper end of the upper prestressed rib 202 of the extension connector of the lower layer is integrated with the lower end of the lower prestressed rib 103 of the extension connector of the upper layer.
The upper anchorage device 2 comprises a second anchorage plate 201, an upper prestressed tendon 202 and an upper clamping piece 203, wherein the second anchorage plate 201 is arranged above the first anchorage plate 104, a space is reserved between the second anchorage plate 201 and the first anchorage plate 104, a plurality of second prestressed tendon holes 204 and a plurality of second bolt holes 205 are circumferentially arranged on the second anchorage plate 201, the second prestressed tendon holes 204 correspond to the positions of the first prestressed tendon holes 106, the second bolt holes 205 correspond to the positions of the first bolt holes 107 of the second part, an upper clamping piece 203 is arranged in each second prestressed tendon hole 205, and the lower ends of the upper prestressed tendons 202 penetrate through the second anchorage plate 201 and are anchored by the upper clamping piece 203; when the lengthening connector is positioned on the uppermost layer, the upper end of the upper prestressed rib 202 is fixedly arranged on the second anchoring concrete surface; when the extension connector is in the middle position, the lower end of the lower pre-stressing tendon 103 of the extension connector of the upper layer is integrated with the upper end of the upper pre-stressing tendon 202 of the extension connector of the lower layer.
The connecting member 3 includes a second bolt 301 and a sleeve 302, the second bolt 301 being threaded into the first bolt hole 107 of the second portion after passing through the second bolt hole 205 to connect the first anchor plate 104 with the second anchor plate 201; the sleeve 302 is sleeved outside the lower tendon 103 and the upper tendon 202, the upper end of the sleeve 302 abuts against the upper clamping piece 203, and the lower end abuts against the lower clamping piece 105.
In the above embodiment, preferably, the second bolt 301 is a half-threaded bolt, the length of the second bolt 301 is the sum of the thickness of the second anchor plate 201, the thickness of the first anchor plate 104, and the distance therebetween, and the length of the threads on the second bolt 301 is equal to the thickness of the first anchor plate 104. Wherein the spacing of the second anchor plate 201 and the first anchor plate 104 is determined by the length of the sleeve 302 and the clip size; when the second bolt 301 is screwed into the first anchor plate 104, the first anchor plate 104 and the second anchor plate 201 are spaced apart so that the upper end of the sleeve 302 abuts against the upper clip 203 and the lower end abuts against the lower clip 105.
In the above embodiment, preferably, the first bolt 102 is a full thread bolt, and the length of the first bolt 102 is the sum of the thickness of the first anchor plate 104 and the distance between the first anchor plate 104 and the lower mat 101. Wherein the length of the first bolt 102 defines the distance between the first anchor plate 104 and the lower backing plate 101, and the length of the first bolt 102 is determined according to the rebound length required by the lower tendon 103 during unloading.
In the above embodiment, the first anchor plate 104 and the second anchor plate 201 are preferably disc-shaped with equal radii. The radius of the first anchor plate 104 and the second anchor plate 201 is determined according to the number of tendons required, the size of bolts required, the spacing, etc.
In the above embodiment, the lower pad 101 is preferably in a ring structure, and the lower tendons 103 pass through the ring holes.
As shown in fig. 5, based on the detachable assembled frame building prestressed reinforcement extension connector, the invention further provides a use method of the detachable assembled frame building prestressed reinforcement extension connector, which comprises the following steps:
1) Placing the lower base plate 101 in a device space reserved in the concrete lower column 4, penetrating a first bolt 102 into a first part of bolt holes 107 around a first anchor plate 104, placing the first anchor plate 104 above the lower base plate 101, penetrating a lower prestressed tendon 103 through the lower base plate 101 and the first anchor plate 104, tensioning the lower prestressed tendon 103, anchoring the lower prestressed tendon 103 in a conical pore canal of the first anchor plate 104 by using a lower clamping piece 105, and cutting off a plurality of residual prestressed tendons 103;
2) The lower end of the upper prestressed rib 202 is anchored on the second anchor plate 201 by utilizing the upper clamping piece 203, and the second bolt 301 is screwed into the first anchor plate 104 after passing through the second anchor plate 201, so that the first anchor plate 104 and the second anchor plate 201 are connected;
3) Placing the sleeve 302 against the upper clamping piece 203 and the lower clamping piece 105, gradually screwing the second bolt 301, enabling the sleeve 302 to prop against the upper clamping piece and the lower clamping piece, and preventing the clamping pieces from sliding off; continuing to install the upper building structure, and pre-stressing tendons 202 at the other anchoring end Zhang Lashang to complete the transmission of anchoring force;
4) When the device is disassembled, after the upper tendon 202 is unloaded, the second bolt 301 is disassembled, and the second anchor plate 201, the upper tendon 202, the upper clamping piece 203 and the sleeve 302 are taken out; at this time, the distance between the first anchor plate 104 and the lower backing plate 101 is adjusted by the first bolt 102, so that the lower anchor of the device is removed after the lower tendon 103 is unloaded.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. The use method of the detachable assembled frame building prestressed tendon extension connectors comprises the steps that the extension connectors are in a plurality of groups, the plurality of groups of extension connectors are arranged from bottom to top, and each extension connector comprises a lower anchor, an upper anchor and a connecting part;
the lower anchorage comprises a lower backing plate, a first bolt, a lower prestressed rib, a first anchor plate and a lower clamping piece, wherein the lower backing plate is fixedly arranged on an anchored concrete surface, the first anchor plate is arranged above the lower backing plate, and a space is reserved between the first anchor plate and the lower backing plate; a plurality of first prestressed tendon holes and a plurality of first bolt holes are formed in the first anchor plate along the circumferential direction, the radius of the circumference of each first prestressed tendon hole is smaller than that of each first bolt hole, the first bolts are fixedly connected with the first anchor plate, the screw rod sections of the first bolts penetrate through the first bolt holes of the first part and are abutted against the lower base plate, a lower clamping piece is arranged in each first prestressed tendon hole, and the upper ends of the lower prestressed tendons sequentially penetrate through the lower base plate and the first anchor plate and are anchored by the lower clamping pieces; when the lengthening connector is positioned at the lowest layer, the lower end of the lower prestressed tendon is fixedly arranged on the first anchoring concrete surface; when the lengthening connector is positioned at the middle position, the upper end of the upper prestressed rib of the lengthening connector at the lower layer is integrated with the lower end of the lower prestressed rib of the lengthening connector at the upper layer;
the upper anchorage comprises a second anchorage plate, upper prestressed tendons and upper clamping pieces, wherein the second anchorage plate is arranged above the first anchorage plate, a space is reserved between the second anchorage plate and the first anchorage plate, a plurality of second prestressed tendon holes and a plurality of second bolt holes are formed in the second anchorage plate along the circumferential direction, the positions of the second prestressed tendon holes correspond to those of the first prestressed tendon holes, the positions of the second bolt holes correspond to those of the first bolt holes of the second part, an upper clamping piece is arranged in each second prestressed tendon hole, and the lower ends of the upper prestressed tendons penetrate through the second anchorage plate and are anchored by the upper clamping pieces; when the lengthening connector is positioned at the uppermost layer, the upper end of the upper prestressed tendon is fixedly arranged on the second anchoring concrete surface; when the extension connector is positioned at the middle position, the lower end of the lower prestressed tendon of the extension connector at the upper layer is integrated with the upper end of the upper prestressed tendon of the extension connector at the lower layer;
the connecting component comprises a second bolt and a sleeve, wherein the second bolt passes through the second bolt hole and then is screwed into the first bolt hole of the second part so as to connect the first anchor plate with the second anchor plate; the sleeve is sleeved outside the lower prestress rib and the upper prestress rib, the upper end of the sleeve is propped against the upper clamping piece, and the lower end of the sleeve is propped against the lower clamping piece;
the second bolt is a half-thread bolt, the length of the second bolt is the sum of the thickness of the second anchor plate, the thickness of the first anchor plate and the distance between the second bolt and the first anchor plate, and the length of the thread on the second bolt is equal to the thickness of the first anchor plate; the distance between the second anchor plate and the first anchor plate is determined according to the length of the sleeve and the size of the clamping piece; after the second bolt is screwed into the first anchor plate, the distance between the first anchor plate and the second anchor plate is just enough to enable the upper end of the sleeve to be abutted against the upper clamping piece and the lower end to be abutted against the lower clamping piece;
the first bolt is a full-thread bolt, and the length of the first bolt is the sum of the thickness of the first anchor plate and the distance between the first anchor plate and the lower backing plate; the length of the first bolt defines the distance between the first anchor plate and the lower backing plate, and the length of the first bolt is determined according to the rebound length of the lower prestressed tendon required during unloading; the first anchor plate and the second anchor plate are disc-shaped with equal radius; the radius of the first anchor plate and the radius of the second anchor plate are determined according to the number of the prestressed tendons, the size of the bolts and the spacing; the lower backing plate is of an annular structure, and the lower prestressed tendons all penetrate through the annular holes;
the method is characterized by comprising the following steps of:
1) Placing a lower backing plate in a device space reserved in a concrete lower column, penetrating a first bolt into a first part of bolt holes around a first anchor plate, placing the first anchor plate above the lower backing plate, penetrating a lower prestressed tendon through the lower backing plate and the first anchor plate, tensioning the lower prestressed tendon, anchoring the lower prestressed tendon in a conical pore canal of the first anchor plate by using a lower clamping piece, and cutting off a plurality of residual prestressed tendons;
2) The lower end of the upper prestressed tendon is anchored on the second anchor plate by utilizing an upper clamping piece, and a second bolt is screwed into the first anchor plate after passing through the second anchor plate, so that the first anchor plate and the second anchor plate are connected;
3) Placing the sleeve to prop against the upper clamping piece and the lower clamping piece, gradually screwing the second bolt, enabling the sleeve to prop against the upper clamping piece and the lower clamping piece, and preventing the clamping pieces from sliding off; continuing to install the upper building structure, and pre-stressing tendons are arranged at the other anchoring end Zhang Lashang to finish the transmission of anchoring force;
4) When the device is disassembled, after the upper prestressed tendons are unloaded, the second bolts are disassembled, and the second anchor plates, the upper prestressed tendons, the upper clamping pieces and the sleeves are taken out; and at the moment, the distance between the first anchor plate and the lower backing plate is adjusted through the first bolt, so that the lower anchor of the device is removed after the lower prestressed tendons are unloaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110304708.6A CN113006379B (en) | 2021-03-16 | 2021-03-16 | Detachable assembled frame building prestressed reinforcement extension connector and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110304708.6A CN113006379B (en) | 2021-03-16 | 2021-03-16 | Detachable assembled frame building prestressed reinforcement extension connector and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113006379A CN113006379A (en) | 2021-06-22 |
| CN113006379B true CN113006379B (en) | 2023-06-23 |
Family
ID=76404724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110304708.6A Active CN113006379B (en) | 2021-03-16 | 2021-03-16 | Detachable assembled frame building prestressed reinforcement extension connector and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113006379B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007070917A (en) * | 2005-09-08 | 2007-03-22 | Jsd:Kk | Anchorage structure, tensioning and anchoring method of prestressed pc steel bar |
| CN110485457A (en) * | 2019-09-06 | 2019-11-22 | 柳州欧维姆机械股份有限公司 | A kind of screw thread rod iron and presstressed reinforcing steel connector and its construction method for connection |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2318301Y (en) * | 1997-11-24 | 1999-05-12 | 中外合资柳州欧维姆建筑机械有限公司 | Connector |
| CN2435464Y (en) * | 2000-08-08 | 2001-06-20 | 柳州市建筑机械总厂 | Connector |
| CN2455817Y (en) * | 2000-12-08 | 2001-10-24 | 柳州市建筑机械总厂 | Monohole connector |
| JP3701218B2 (en) * | 2001-07-19 | 2005-09-28 | 株式会社ピーエス三菱 | PC tension material fixing device |
| JP2007231683A (en) * | 2006-03-03 | 2007-09-13 | Yokogawa Koji Kk | Tension anchoring connection method of connected member by wire |
| CN201495783U (en) * | 2009-01-04 | 2010-06-02 | 陈小娥 | Low-retraction two-time tensioning prestressing tendon connector |
| CN201447878U (en) * | 2009-01-04 | 2010-05-05 | 万国强 | Sleeve type steel strand beam prestressed tendon connector |
| CN203795725U (en) * | 2014-04-26 | 2014-08-27 | 闫振 | Prestressed anchorage device |
| CN105649342B (en) * | 2016-03-21 | 2018-08-03 | 中建三局基础设施工程有限公司 | A kind of interim traction connector of steel strand wires and its application method |
| CN206220358U (en) * | 2016-10-08 | 2017-06-06 | 霍尔果斯新国金新能源科技有限公司 | For the anchor of concrete tower |
| CN107905103A (en) * | 2017-10-26 | 2018-04-13 | 柳州欧维姆机械股份有限公司 | A kind of prestress anchorage system and its construction method with compression spring |
| CN110725478A (en) * | 2018-07-17 | 2020-01-24 | 周兆弟 | Building connecting structural member |
| CN110029592B (en) * | 2019-04-12 | 2024-01-30 | 长沙理工大学 | External prestress FRP rib tensioning and anchoring device |
-
2021
- 2021-03-16 CN CN202110304708.6A patent/CN113006379B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007070917A (en) * | 2005-09-08 | 2007-03-22 | Jsd:Kk | Anchorage structure, tensioning and anchoring method of prestressed pc steel bar |
| CN110485457A (en) * | 2019-09-06 | 2019-11-22 | 柳州欧维姆机械股份有限公司 | A kind of screw thread rod iron and presstressed reinforcing steel connector and its construction method for connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113006379A (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5825330B2 (en) | Deformable lock bolt | |
| CN109137733B (en) | Tensioning support device and tensioning method of low-retraction anchor | |
| CN201241479Y (en) | Stretching device of prestress FRP rib anchorage | |
| CN113006379B (en) | Detachable assembled frame building prestressed reinforcement extension connector and use method thereof | |
| CN101942812B (en) | Bridge reinforcing method and uses of prestress reinforced steel wire net anchor in bridge reinforcement | |
| CN111139824A (en) | Device for anchor rod prestress nondestructive tensioning and tensioning method thereof | |
| CN209907233U (en) | Carbon fiber plate reverse tension prestressed anchorage | |
| CN213741915U (en) | Split type prestressed anchorage utensil | |
| CN111119029A (en) | Low-retraction anchoring device for wedge-shaped prestressed tendons and using method | |
| CN112324154B (en) | Prestressed tendon anchoring method capable of preventing retraction deformation loss | |
| JP7449370B2 (en) | expansion anchor | |
| CN211816223U (en) | Device for anchor rod prestress lossless tensioning | |
| CN211498494U (en) | Deeply buried low-retraction anchor secondary tensioning and tightening device | |
| CN210946868U (en) | Connector for threaded steel bar and prestressed tendon | |
| CN208803374U (en) | A kind of low retracting secondary stretch-draw anchorage | |
| CN107338817B (en) | Anchor bolt dismantling structure in prestressed anchor bolt foundation and replacement construction method | |
| CN214302826U (en) | Detachable pre-buried anchor assembly | |
| CN111535507A (en) | Combined prestressed anchorage device | |
| CN201020804Y (en) | Fiber rib prestressed anchor unit and its fiber rib prestressed anchor | |
| CN214819564U (en) | Precast box girder prestressing force tensioning equipment | |
| KR20150019962A (en) | Plate equipment fixing micropile and it's construction method | |
| CN110939076B (en) | Arch bridge reinforcing device and method | |
| CN212897660U (en) | High-strength anchor backing plate for anchorage device | |
| CN218715165U (en) | Formwork diagonal bracing supporting device | |
| CN210597032U (en) | Prestressed anchorage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |