WO2021017581A1 - Appareil d'ancrage qui s'adapte au mouvement longitudinal de structure et procédé d'installation - Google Patents

Appareil d'ancrage qui s'adapte au mouvement longitudinal de structure et procédé d'installation Download PDF

Info

Publication number
WO2021017581A1
WO2021017581A1 PCT/CN2020/091010 CN2020091010W WO2021017581A1 WO 2021017581 A1 WO2021017581 A1 WO 2021017581A1 CN 2020091010 W CN2020091010 W CN 2020091010W WO 2021017581 A1 WO2021017581 A1 WO 2021017581A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
protective tube
steel protective
wall
tube
Prior art date
Application number
PCT/CN2020/091010
Other languages
English (en)
Chinese (zh)
Inventor
秦顺全
高宗余
王恒
徐伟
陆勤丰
傅战工
胡骏
郑清刚
苑仁安
李少骏
付岚岚
张皓清
李毓龙
周子明
Original Assignee
中铁大桥勘测设计院集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中铁大桥勘测设计院集团有限公司 filed Critical 中铁大桥勘测设计院集团有限公司
Priority to EP20847198.7A priority Critical patent/EP4006231A4/fr
Publication of WO2021017581A1 publication Critical patent/WO2021017581A1/fr

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D11/00—Suspension or cable-stayed bridges
    • E01D11/04—Cable-stayed bridges

Definitions

  • the invention relates to the technical field of bridge anchoring, in particular to an anchoring device and an installation method adapted to the longitudinal movement of the structure.
  • the cable-stayed bridge has a complex structural system with many influencing factors.
  • the installation of auxiliary piers on the side span can reduce the cantilever length and increase the overall rigidity of the structure during side span construction, thereby reducing the internal force of the main girder and the bottom of the bridge in the completed state.
  • the bending moment, the deflection of the tower top, the vertical deformation of the main beam, and the cable stress make the structural force tend to be in a reasonable state.
  • a link is often set at the anchor point of the side span cable to connect to the lower auxiliary pier, so that the tension generated by the vertical component of the cable force can be Bearing directly by the auxiliary pier, the deflection of the main beam of the side span is reduced and the rigidity of the main span is greatly improved.
  • the existing anchoring scheme can only be applied to small and medium-span bridges with small anchoring force and short longitudinal displacement, and cannot meet the needs of large-span main girder anchoring.
  • the anchoring structure that can adapt to the longitudinal movement of the structure.
  • the purpose of the present invention is to overcome the influence of the longitudinal displacement of the main girder on the existing anchoring device in the above-mentioned background art.
  • the port of the cable and the cable sealing cylinder will receive a greater concentrated cutting force, and the cable will be subject to relatively long time.
  • a large concentrated cutting force is prone to hidden dangers of wear and fracture, which seriously affects the safety of the anchoring system.
  • An anchoring device and an installation method adapted to the longitudinal movement of the structure are provided.
  • the present invention provides an anchoring device adapted to the longitudinal movement of a structure, which is characterized in that it comprises:
  • a cable catheter a cable is passed through the cable catheter, and the cable is fixedly connected to one end of the cable catheter through a cable sealing tube;
  • the flared steel protective tube, the flared steel protective tube is located in the cable conduit, the inner diameter of the flared steel protective tube gradually increases in the direction away from the cable sealing tube, the outer wall of the flared steel protective tube and the inner wall of the cable conduit Fixed connection.
  • the preferred solution between the outer wall of the flared steel protective tube and the inner wall of the cable guide tube is provided with a hoop stiffener and a radial stiffener.
  • the hoop stiffener is annular, and the radial stiffener is elongated.
  • the stiffener and the radial stiffener are fixedly connected with the outer wall of the flared steel protective cylinder and the inner wall of the cable guide.
  • the radial stiffeners are not less than eight, and the radial stiffeners are evenly arranged along the circumference of the outer wall of the horn-shaped steel protective tube. There are multiple circumferential stiffeners, and the multiple circumferential stiffeners are arranged along the The horn-shaped steel protective tube is evenly spaced in the axial direction, and the inner diameter of the multiple hoop stiffeners gradually increases in the direction away from the cable sealing tube, and the distance between two adjacent hoop stiffeners is not more than 200mm .
  • the axis of the flared steel protective tube is collinear with the axis of the cable guide tube, and the inner surface of the flared steel protective tube is a flat curve formed by a combination of straight and circular curves around the axis of the flared steel protective tube It is formed by rotating 360 degrees, and the distance from the circular curve to the axis of the horn-shaped steel protective tube is the radius R of the circular curve;
  • the inner surface of the horn-shaped steel protective tube is provided with a rubber pad, the rubber pad is attached to the inner wall of the horn-shaped steel protective tube, and the outer wall of the cable is attached to the rubber pad.
  • the straight line of the flat curve is parallel to the axis of the trumpet-shaped steel protective tube, and the length of the straight line is not less than 200mm.
  • the distance from the straight line to the axis of the trumpet-shaped steel protective tube is the radius of the cable, the thickness of the rubber pad, and 3mm. The sum of manufacturing errors.
  • the straight line of the flat curve is tangent to the circular curve, and the radius of the circular curve R ⁇ P/q, where P is the cable force, and q is the radial bearing capacity of the flared steel casing; the length of the circular curve L ⁇ 2SR/H, where S is the longitudinal movement of the cable, and H is the height difference between the upper and lower anchor points of the cable.
  • one end of the cable guide tube is welded with an anchor backing plate, the other end of the cable guide tube is welded with an anchor plate, both ends of the outer wall of the horn-shaped steel protective tube are respectively provided with end circumferential stiffeners, and end rings
  • the radial stiffening rib is welded to the inner wall of the cable guide tube, and the circumferential stiffening rib and the radial stiffening rib are attached to the inner wall of the cable guide tube.
  • the flared steel protective tube is located at one end away from the cable sealing tube in the cable conduit, and the flared steel protective tube is located outside the cable sealing tube.
  • the structural material yield strength of the horn-shaped steel protective tube is not less than 345MPa.
  • Another aspect of the present invention provides an installation method of an anchoring device adapted to longitudinal movement of a structure, which includes the following steps:
  • the cable catheter is composed of a proximal anchor section and a distal anchor section.
  • the cable catheter is divided into a proximal anchor section and a distal anchor section to facilitate the welding of the end circumferential stiffener with the cable catheter;
  • the horn-shaped steel protective tube is processed according to the designed flat curve, and the rubber pad is attached to the inner wall of the flared steel protective tube;
  • An anchoring device adapted to the longitudinal movement of the structure of the present invention.
  • the anchoring device is provided with a flared steel protective tube adapted to the longitudinal deviation of the cable in the cable guide tube.
  • the inner surface of the flared steel protective tube is composed of straight lines and circles.
  • the flat curve formed by the curve combination is formed by rotating 360 degrees around the axis of the horn-shaped steel casing.
  • the horn-shaped steel protective tube increases the contact area between the outer wall of the cable and the inner wall of the horn-shaped steel protective tube, the local part of the cable body is prevented from being subjected to a large concentrated cutting force, and the safety of the anchoring system is improved.
  • An anchoring device adapted to the longitudinal movement of the structure of the present invention.
  • the anchoring device is attached with a rubber pad on the inner wall of the horn-shaped steel protective cylinder.
  • the rubber pad has good flexibility and wear resistance.
  • the outer wall of the cable When in contact with the rubber pad, the surface wear of the cable can be significantly reduced, and the outer wall of the cable can be protected.
  • the anchoring device welds radial stiffeners, hoop stiffeners and end hoop stiffeners on the outer wall of the flared steel casing in a set sequence.
  • the radial stiffeners, hoop stiffeners and end hoop stiffeners make The cable conduit and the horn-shaped steel protective tube form a whole, which significantly improves the structural strength of the flared steel protective tube and improves the durability of the flared steel protective tube.
  • An anchoring device adapted to the longitudinal movement of the structure of the present invention.
  • the anchoring device needs to be specially designed in the circular curve section of the flared steel protective tube, and its circular curve radius R is not less than the cable force P and the diameter of the flared steel protective tube
  • the ratio of the bearing capacity q; the length L of the circular curve is not less than 2 times the longitudinal displacement of the cable S multiplied by the radius R of the horn-shaped steel protective tube and divided by the height difference H between the upper and lower anchor points of the cable.
  • the size and shape of the horn-shaped steel protective tube of the anchoring device are obtained through precise calculation of mechanics, and meet the performance requirements of the anchoring device.
  • Figure 1 is a schematic structural diagram of an embodiment of the present invention
  • Figure 2 is a cross-sectional view along the A-A direction in Figure 1;
  • Figure 3 is a cross-sectional view along the B-B direction in Figure 1;
  • FIG. 4 is a schematic diagram of the longitudinal movement of the cable after using the embodiment of the present invention.
  • Fig. 5 is a schematic diagram of the longitudinal movement of the cable in the background art.
  • an embodiment of the present invention provides an anchoring device adapted to the longitudinal movement of a structure, including:
  • the cable guide tube 8 is a cylindrical steel pipe structure. A cable 6 is inserted into the cable tube 8. One end of the cable 6 is fixedly connected to one end of the cable tube 8 through a cable sealing tube 7.
  • the flared steel protective tube 1 is located in the cable guide tube 8.
  • the flared steel protective tube 1 is located in the cable tube 8 at one end away from the cable sealing tube 7, and the flared steel protective tube 1 is located in the cable Seal the outside of the cylinder 7.
  • the inner diameter of the flared steel protective tube 1 gradually increases in the direction away from the cable sealing tube 7, and the outer wall of the flared steel protective tube 1 is fixedly connected with the inner wall of the cable guide 6.
  • Figure 2 is a cross-sectional view along the AA direction in Figure 1
  • Figure 3 is a cross-sectional view along the BB direction in Figure 1, in order to highlight the cross-section of the flared steel protective tube 1 in Figure 3 and the cross-section of the flared steel protective tube 1 in Figure 2
  • the cross section of the horn-shaped steel protective tube 1 in Fig. 3 has been enlarged instead of the actual size.
  • the axis of the flared steel protective tube 1 is collinear with the axis of the cable guide tube 8.
  • the inner surface of the flared steel protective tube 1 is a flat curve formed by a combination of straight lines and circular curves, which rotates 360 degrees around the axis of the flared steel protective tube 1 Formed, the distance from the circular curve to the axis of the horn-shaped steel protective tube 1 is the radius R of the circular curve.
  • the straight line of the horizontal curve is tangent to the circular curve, the radius of the circular curve R ⁇ P/q, where P is the cable force, and q is the radial bearing capacity of the horn-shaped steel casing; the length of the circular curve is L ⁇ 2SR/H, where S is the longitudinal displacement of the cable 6, and H is the height difference between the upper and lower anchor points of the cable 6.
  • the straight line of the flat curve is parallel to the axis of the trumpet-shaped steel tube 1, and the length of the line is not less than 200mm.
  • the distance from the straight line to the axis of the trumpet-shaped steel tube 1 is the radius of the cable 6, the thickness of the rubber pad 5, and the manufacture of 3mm. The sum of errors.
  • the inner surface of the horn-shaped steel protective tube 1 formed by a straight line rotating around the axis of the flared steel protective tube 1 by 360 degrees is the transition section of the longitudinal movement of the cable 6, and is located at the flared steel protective tube 1 when the cable 6 is moved longitudinally.
  • the cable 6 within the straight line range of the inner surface of the cable does not move longitudinally, that is, it prevents the port of the cable 6 and the cable sealing tube 7 from receiving a large concentrated cutting force.
  • Circumferential stiffeners 3 and radial stiffeners 4 are arranged between the outer wall of the flared steel protective tube 1 and the inner wall of the cable conduit 8.
  • the circumferential stiffeners 3 and the radial stiffener 4 are welded to the outer wall of the flared steel protective tube 1 connection.
  • the length of the steel casing 1 is determined.
  • a plurality of circumferential stiffeners 3 are evenly spaced and arranged along the axial direction of the flared steel casing 1, and the inner diameters of the plurality of circumferential stiffeners 3 gradually move away from the cable sealing drum 7 Increase, the distance between two adjacent circumferential stiffeners 3 is not more than 200mm.
  • the rubber pad 5 has a thickness of about 10 mm.
  • the rubber pad 5 is attached to the inner wall of the horn-shaped steel casing 1; when the cable 6 moves longitudinally, the outer wall of the cable 6 is attached to the rubber pad 5.
  • the anchoring device adapted to the longitudinal movement of the structure of the present invention is provided with a horn-shaped steel protective tube 1 in the cable guide 8 adapted to the longitudinal deviation of the cable 6, and the inner surface of the flared steel protective tube 1 is formed by a straight line
  • the flat curve combined with the circular curve is formed by rotating 360 degrees around the axis of the flared steel protective tube 1.
  • the horn-shaped steel protective tube 1 increases the contact area between the outer wall of the cable 6 and the inner wall of the horn-shaped steel protective tube 1, it prevents the cable body of the cable 6 from being locally subjected to a large concentrated cutting force and improves The safety of the anchoring system is improved.
  • the anchoring device welds the radial stiffener 4, the circumferential stiffener 3 and the end circumferential stiffener 2 on the outer wall of the horn-shaped steel casing 1 in a set sequence.
  • the radial stiffener 4, the circumferential stiffener 3 and the end circumferential stiffener 2 make the cable guide tube 8 and the flared steel protective tube 1 form a whole, which significantly improves the structural strength of the flared steel protective tube 1 and improves the flared steel Durability of the protective tube 1.
  • the anchoring device has a rubber pad 5 attached to the inner wall of the horn-shaped steel protective cylinder 1.
  • the rubber pad 5 has good flexibility and wear resistance. The outer wall of the cable 6 and the rubber When the pad 5 is in contact, the surface wear of the cable 6 can be significantly reduced, and the outer wall of the cable 6 can be protected.
  • the shape and size of the high horn-shaped steel protective tube 1 are specially designed according to the circular curve section of the horn-shaped steel protective tube according to actual engineering needs.
  • the radius of the circular curve R is not less than the ratio of the cable force P and the radial bearing capacity q of the flared steel protective tube; the length L of the circular curve is not less than 2 times the longitudinal movement of the cable S multiplied by the flared steel protective tube
  • the radius R is divided by the height difference H between the upper and lower anchor points of the cable.
  • the size and shape of the anchoring device in the horn-shaped steel protective tube 1 are obtained by precise calculation of mechanics, which meets the performance requirements of the anchoring device.
  • one end of the cable guide tube 8 is welded with an anchor backing plate 10
  • the other end of the cable guide tube 8 is welded with an anchor plate 9 and both ends of the outer wall of the flared steel protective tube 1 are respectively provided with end circumferential stiffeners 2
  • the end circumferential stiffening rib 2 is welded to the inner wall of the cable guide tube 8, and the circumferential stiffening rib 3 and the radial stiffening rib 4 are attached to the inner wall of the cable guide tube 8.
  • the structural material yield strength of the horn-shaped steel protective tube 1, the end circumferential stiffener 2, the circumferential stiffener 3 and the radial stiffener 4 is not less than 345MPa, which improves the radial force bearing capacity of the anchoring device.
  • the cable catheter 8 is composed of a proximal anchor section and a distal anchor section.
  • the proximal anchor section is the end close to the cable sealing cylinder 7, and the distal anchor section is the end far away from the cable sealing cylinder 7.
  • the cable catheter 8 is divided into proximal sections.
  • the anchor section and the remote anchor section are used to facilitate the welding of the end circumferential stiffener 2 and the cable guide tube 8.
  • Step 2 Process the flared steel shield 1 according to the designed flat curve.
  • the radius R of the flared steel shield 1 is not less than the ratio of the cable force P and the radial bearing capacity q of the flared steel tube;
  • the length L is not less than 2 times the longitudinal displacement of the cable S multiplied by the radius R of the flared steel protective tube and divided by the height difference H between the upper and lower anchor points of the cable.
  • Step 3 After the flared steel shield 1 is processed and formed, a rubber pad 5 is attached to the inner wall of the flared steel shield 1.
  • Step 4 Weld the radial stiffener 4, the circumferential stiffener 3 and the end circumferential stiffener 2 on the outer wall of the flared steel protective tube 1 in a set sequence.
  • Step 5 Sleeve part of the horn-shaped steel protective tube 1 into the near anchor section of the cable guide 8, according to the set position, ring the end of the horn-shaped steel protective tube 1 close to one end of the cable sealing tube 7 to the stiffener 2 and the cable
  • the inner wall of the conduit 8 is welded and connected.
  • Step 6 Set in the distal anchor section of the cable catheter 8, weld the proximal and distal anchor sections of the cable catheter 8 into a whole, and ensure that the axes of the proximal and distal anchor sections coincide.
  • Step 7 Weld and connect the ring stiffener 2 at the end of the flared steel protective tube 1 away from the end of the cable sealing tube 7 to the inner wall of the cable guide tube 8 to form the horn-shaped steel protective tube 1 and the cable guide tube 8 as a whole.
  • Step 8 Weld the anchor backing plate 10 at the end of the cable guide tube 8 close to the cable sealing tube 7, and weld the anchor plate 9 at the end of the cable tube 8 away from the cable sealing tube 7.
  • Step 9 Finally, the cable 6 is inserted into the cable conduit 8 for tensioning, and the main beam is connected with the auxiliary pier.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

L'invention concerne un appareil d'ancrage qui s'adapte au mouvement longitudinal d'une structure et son procédé d'installation. L'appareil d'ancragequi s'adapte au mouvement longitudinal d'une structure comprend un tube de tubage en acier évasé (1) et un tuyau de guidage de câble (8) ; un câble (6) est enfilé dans le tuyau de guidage de câble (8), le câble (6) étant fixé à une extrémité du tuyau de guidage de câble (8) au moyen d'un tube d'étanchéité de câble (7) ; le tube de tubage en acier évasé (1) est situé à l'intérieur du tuyau de guidage de câble (8) ; le diamètre intérieur du tube de tubage en acier évasé (1) s'allonge progressivement dans la direction s'éloignant du tube d'étanchéité de câble (7) ; la paroi externe du tube de tubage en acier évasé (1) est fixée à la paroi interne du tuyau de guidage de câble (8). Le procédé d'installation pour l'appareil d'ancrage qui s'adapte au mouvement longitudinal d'une structure comprend les étapes suivantes consistant à : usiner le tube de tubage en acier évasé (1) selon la courbe horizontale prévue ; insérer le tube de tubage en acier évasé (1) dans le tuyau de guidage de câble (8) et le relier de manière fixe à la paroi interne du tuyau de guidage de câble (8), pour former un corps intégral ; enfiler le câble (6) à travers l'intérieur du tuyau de guidage de câble (8) et tendre. L'appareil d'ancrage qui s'adapte au mouvement longitudinal d'une structure augmente la zone de contact de la paroi externe du câble (6) et la paroi interne du tube de tubage en acier évasé (1), ce qui empêche une partie du câble (6) d'être soumise à une force de coupe concentrée, et d'améliorer la sécurité du système d'ancrage.
PCT/CN2020/091010 2019-07-26 2020-05-19 Appareil d'ancrage qui s'adapte au mouvement longitudinal de structure et procédé d'installation WO2021017581A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20847198.7A EP4006231A4 (fr) 2019-07-26 2020-05-19 Appareil d'ancrage qui s'adapte au mouvement longitudinal de structure et procédé d'installation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910682688.9 2019-07-26
CN201910682688.9A CN110485253B (zh) 2019-07-26 2019-07-26 一种适应结构纵移的锚固装置及安装方法

Publications (1)

Publication Number Publication Date
WO2021017581A1 true WO2021017581A1 (fr) 2021-02-04

Family

ID=68548529

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/091010 WO2021017581A1 (fr) 2019-07-26 2020-05-19 Appareil d'ancrage qui s'adapte au mouvement longitudinal de structure et procédé d'installation

Country Status (3)

Country Link
EP (1) EP4006231A4 (fr)
CN (1) CN110485253B (fr)
WO (1) WO2021017581A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485253B (zh) * 2019-07-26 2021-08-24 中铁大桥勘测设计院集团有限公司 一种适应结构纵移的锚固装置及安装方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2135999A1 (de) * 1971-07-19 1973-02-01 Hein Lehmann Ag Verfahren zum verankern, befestigen und/oder abstuetzen von seilen oder kabeln in fundamenten
JP2004353241A (ja) * 2003-05-28 2004-12-16 Oriental Construction Co Ltd Ｐｃ橋の外ケーブル定着部における真空ポンプ併用グラウト注入工法
CN1598211A (zh) * 2004-08-18 2005-03-23 上海市隧道工程轨道交通设计研究院 用于管段接头的钢拉索的连接方法
JP2005171604A (ja) * 2003-12-10 2005-06-30 Anderson Technology Kk Ｐｃ構造物の外ケーブルの防食構造
KR20150009721A (ko) * 2013-07-17 2015-01-27 (주)태성에스엔아이 케이블의 정착장치
CN204455824U (zh) * 2015-02-11 2015-07-08 中铁第四勘察设计院集团有限公司 一种斜拉桥索梁连接锚拉板组件
CN205171369U (zh) * 2015-12-05 2016-04-20 中交通力建设股份有限公司 一种pc梁斜拉桥索梁锚固构造
CN108004907A (zh) * 2018-01-26 2018-05-08 西安市政设计研究院有限公司 一种格构式钢桁架塔斜拉桥钢拉索锚固系统
CN208563108U (zh) * 2018-06-05 2019-03-01 中铁大桥勘测设计院集团有限公司 边箱结合梁斜拉桥索梁锚固构造
CN110485253A (zh) * 2019-07-26 2019-11-22 中铁大桥勘测设计院集团有限公司 一种适应结构纵移的锚固装置及安装方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2909233B2 (ja) * 1991-02-12 1999-06-23 神鋼鋼線工業株式会社 ケーブルの支持装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2135999A1 (de) * 1971-07-19 1973-02-01 Hein Lehmann Ag Verfahren zum verankern, befestigen und/oder abstuetzen von seilen oder kabeln in fundamenten
JP2004353241A (ja) * 2003-05-28 2004-12-16 Oriental Construction Co Ltd Ｐｃ橋の外ケーブル定着部における真空ポンプ併用グラウト注入工法
JP2005171604A (ja) * 2003-12-10 2005-06-30 Anderson Technology Kk Ｐｃ構造物の外ケーブルの防食構造
CN1598211A (zh) * 2004-08-18 2005-03-23 上海市隧道工程轨道交通设计研究院 用于管段接头的钢拉索的连接方法
KR20150009721A (ko) * 2013-07-17 2015-01-27 (주)태성에스엔아이 케이블의 정착장치
CN204455824U (zh) * 2015-02-11 2015-07-08 中铁第四勘察设计院集团有限公司 一种斜拉桥索梁连接锚拉板组件
CN205171369U (zh) * 2015-12-05 2016-04-20 中交通力建设股份有限公司 一种pc梁斜拉桥索梁锚固构造
CN108004907A (zh) * 2018-01-26 2018-05-08 西安市政设计研究院有限公司 一种格构式钢桁架塔斜拉桥钢拉索锚固系统
CN208563108U (zh) * 2018-06-05 2019-03-01 中铁大桥勘测设计院集团有限公司 边箱结合梁斜拉桥索梁锚固构造
CN110485253A (zh) * 2019-07-26 2019-11-22 中铁大桥勘测设计院集团有限公司 一种适应结构纵移的锚固装置及安装方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4006231A4 *

Also Published As

Publication number Publication date
EP4006231A4 (fr) 2023-08-02
CN110485253A (zh) 2019-11-22
EP4006231A1 (fr) 2022-06-01
CN110485253B (zh) 2021-08-24

Similar Documents

Publication Publication Date Title
US6006788A (en) Flexible pipe with internal gasproof undulating metal tube
EP3227660B1 (fr) Test du comportement de cintrage de tuyaux rigides
WO2021017581A1 (fr) Appareil d'ancrage qui s'adapte au mouvement longitudinal de structure et procédé d'installation
CN107355239A (zh) 适应盾构隧道纵向沉降的波纹钢板复合管片及其拼装方法
EP3702577B1 (fr) Dispositif d'amélioration des performances de fatigue
CN207111126U (zh) 适应盾构隧道纵向沉降的波纹钢板复合管片
CN106639165A (zh) 一种对接套筒
BR112017012082B1 (pt) método para produzir tubo rígido revestido mecanicamente e junta de tubo rígido de tubo revestido mecanicamente
JP6010437B2 (ja) 既設管更生用帯状部材
CN113668509A (zh) 防止导管卡笼的超深旋挖桩混凝土浇灌施工方法
CN210787899U (zh) 无支撑钢管内壁涂料喷涂机
JP6960423B2 (ja) 梁補強金具、梁補強構造及び梁補強方法
JP2019018430A (ja) 更生管の製管方法及び摩擦低減装置
JP3119836B2 (ja) 斜長橋における斜材の貫通固定サドル
CN111139817A (zh) 一种便于地铁盾构穿越的地下连续墙施工方法及结构
US20140334879A1 (en) Method of gripping a pipeline
CN215907489U (zh) 一种用于空间网架屈曲杆件的加固结构
CN215759662U (zh) 一种钢管柱与钢筋笼连接结构
CN213177034U (zh) 管道穿越顶管用滚轮支架及管道组件
CN210033360U (zh) 一种坐封球防退球座
CN215948202U (zh) 防卡笼的导管
CN215668974U (zh) 波形钢腹板组合梁桥体外束的可移动式转向装置
CN211958691U (zh) 一种圆管电缆隧道内的电缆支架结构
CN216765861U (zh) 一种用于管桩快速对接的辅助装置
CN221121187U (zh) 一种适用于顶进施工的带钢筒混凝土管

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20847198

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2020847198

Country of ref document: EP

Effective date: 20220228