WO2008025200A1 - Unité de tuyau en béton précontraint ayant un embout femelle en acier et un embout mâle en acier et tuyau en béton formé de telles unités de tuyau en béton - Google Patents

Unité de tuyau en béton précontraint ayant un embout femelle en acier et un embout mâle en acier et tuyau en béton formé de telles unités de tuyau en béton Download PDF

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Publication number
WO2008025200A1
WO2008025200A1 PCT/CN2007/001271 CN2007001271W WO2008025200A1 WO 2008025200 A1 WO2008025200 A1 WO 2008025200A1 CN 2007001271 W CN2007001271 W CN 2007001271W WO 2008025200 A1 WO2008025200 A1 WO 2008025200A1
Authority
WO
WIPO (PCT)
Prior art keywords
socket
steel
concrete
concrete pipe
pipe
Prior art date
Application number
PCT/CN2007/001271
Other languages
English (en)
Chinese (zh)
Inventor
Bin Zhao
Liang Zhang
Original Assignee
Tianjin Waterline Pccp Engineering Co., Ltd.
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 Tianjin Waterline Pccp Engineering Co., Ltd. filed Critical Tianjin Waterline Pccp Engineering Co., Ltd.
Publication of WO2008025200A1 publication Critical patent/WO2008025200A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • B28B21/58—Steel tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
    • B28B21/62—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements circumferential laterally tensioned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/92—Methods or apparatus for treating or reshaping
    • B28B21/94—Methods or apparatus for treating or reshaping for impregnating or coating by applying liquids or semi-liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/08—Rigid pipes of concrete, cement, or asbestos cement, with or without reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F16L9/153—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and concrete with or without reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/22—Pipes composed of a plurality of segments

Definitions

  • the present invention relates to a concrete pipe, and more particularly to a steel socket prestressed concrete pipe unit and a plugged concrete pipe. Background technique
  • the self-stressing concrete pipe is equipped with a certain amount of steel bars in the pipe body, it is prone to secondary expansion and lateral fracture of the pipe body during use, which is difficult to maintain and maintain, and has high operating costs; and its joint water tightness is poor.
  • the pipe body has low impermeability and short service life;
  • the pre-stressed concrete pipe has a high repair rate after molding, the maintenance and maintenance cost is large, and the weight of the pipe body is heavier, which directly affects the installation speed of the site construction and increases the construction cost;
  • a product related to the present invention is found by the search, and the product name is: a prestressed steel sleeve concrete pipe, the prestressed steel sleeve concrete pipe has a thin steel plate sandwiched between the cores, although the product has good resistance Permeability and soft interface, but its high cost, especially the long-distance laying of its high cost is more obvious.
  • One of the technical problems to be solved by the present invention is to provide a steel pre-stressed concrete pipe unit with a simple structure, withstand voltage and corrosion resistance, in view of the deficiencies of the prior art.
  • a steel pre-stressed concrete pipe body unit mainly comprises a concrete pipe core, a prestressed steel wire is arranged on the outer wall of the concrete pipe core, and a protective layer is arranged outside the prestressed steel wire, and the concrete core front end
  • the socket is convexly provided, and the rear end is recessed with a socket for inserting one end and one end of the one or more pipe unit, wherein the concrete core is coaxially embedded with a cylindrical steel frame, and two of the cylindrical steel frame are The ends are fixedly connected to the socket and the socket respectively.
  • the cylindrical steel skeleton is a steel mesh which is fixed by the circumferential reinforcing steel and the axial steel reinforcing along the concrete core.
  • the protective layer is a cement mortar layer.
  • a groove is formed in the outer wall of the socket, and a sealing rubber ring is installed in the groove.
  • the second technical problem to be solved by the present invention is that, in view of the deficiencies of the prior art, a prestressed concrete pipe with a steel socket is provided, which has good water tightness, long service life and simple construction operation.
  • a prefabricated concrete pipe with a steel socket which is formed by inserting one or more pipe body units end to end, the pipe body unit mainly comprises a concrete core, and a prestressed steel wire is wound around the outer wall of the concrete core, the prestressed steel wire
  • the outer layer is provided with a protective layer.
  • the front end of the concrete core is convexly provided with a socket, and the rear end is concavely provided with a socket.
  • One or more pipe body units are inserted end to end through the socket and the socket to form a concrete pipe, and the concrete core is coaxially embedded.
  • a cylindrical steel frame, the two ends of the cylindrical steel frame are fixedly coupled with the socket and the socket respectively.
  • the cylindrical steel bar skeleton is a steel cage which is interwoven by the circumferential reinforcing bars and the longitudinal steel bars along the concrete core.
  • the protective layer is a cement mortar layer.
  • a groove is formed on the outer wall of the socket. Install a sealing rubber ring in the groove.
  • the steel socket pre-stressed concrete pipe unit provided by the invention and the concrete core in the inserted concrete pipe are provided with a cylindrical steel skeleton, so that the whole die becomes a reinforced concrete structure, and the concrete core outer wall
  • the prestressed steel wire is wound, which gives the pipe a high pressure resistance and improves the ability to withstand external pressure loads.
  • the prefabricated concrete pipe unit of the steel socket provided by the invention and the concrete core of the inserted concrete pipe are integrally casted, and the outer wall of the die has a cement mortar protective layer, so the concrete pipe has a high Impermeability.
  • the flexible socket and socket structure of the concrete pipe provided by the invention can be installed with a sealing rubber ring in the two grooves of the socket during the installation process, which makes the pipe have good joint water tightness, and
  • the pipe pipe wall is thin, the pipe body itself is light in weight, and the ability to resist uneven settlement is strong.
  • the overall structure of the pipe unit and the inserted concrete pipe provided by the invention is very simple, and the design science is Reasonable, with good durability, impermeability, joint water tightness, low engineering cost, convenient maintenance and maintenance, simple construction and operation, greatly reducing construction cost, is a new and innovative new steel socket prestressing Concrete pipe.
  • Figure 1 is a cross-sectional view of a tubular body unit of the present invention
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1;
  • Figure 3 is a cross-sectional view taken along line B-B of Figure 1;
  • FIG. 4 is a cross-sectional view showing the overall structure of a prefabricated concrete pipe of a steel socket according to the present invention. detailed description
  • FIG. 1 is a cross-sectional view of a tubular body unit of the present invention.
  • the present invention provides a tubular body unit 1, which mainly includes a concrete core 11 which is disposed on an outer wall of the concrete core 11.
  • the prestressed steel wire 12, the prestressed steel wire 12 is provided with a protective layer 13 outside, the front end of the concrete core 11 is convexly provided with a socket 15, and the rear end is concavely provided with a socket 14 for the end of the one or more tubular body units 1
  • a cylindrical steel bar skeleton 16 is coaxially embedded in the concrete core 11, and the two ends of the cylindrical steel frame 16 are respectively connected with the socket. 14.
  • the socket 15 is fixedly connected.
  • Fig. 2 and Fig. 3 they are the A-A and B-B cross-sectional views of Fig. 1, respectively.
  • the cylindrical reinforcing steel frame 16 is a reinforcing mesh which is interwoven by the circumferential reinforcing bars 161 and the axial reinforcing bars 162 along the concrete core 11.
  • the protective layer 13 is a cement mortar layer sprayed on the outside of the prestressed steel wire 12.
  • FIG. 4 it is a cross-sectional view of the overall structure of the prefabricated concrete pipe of the steel socket of the present invention.
  • the present invention also provides a steel socket prestressed concrete pipe which is formed by inserting one or more pipe unit 1 into each other.
  • the groove 151 may be formed on the outer wall of the socket 15 of the pipe body unit 1.
  • a sealing rubber ring 17 is installed in the groove 151 to provide a sealing function.
  • the steel socket prestressed concrete pipe A provided by the invention has the socket 14 and the socket 15 of the pipe unit 1 as flexible interfaces, and the socket 15 can be installed with a sealing rubber ring in the two grooves 151 during the installation process. 17, this will make the joint of the pipe have better joint water tightness, even in the case of foundation settlement
  • the tightness of the overall pipeline of the barrier prevents the leakage of sewage and other media. Since the reinforced concrete structure is used in the invention, it can withstand a considerable external pressure load, and the pipe has a small depth of soil during construction, which reduces construction difficulty, construction cost, and is easy to maintain and maintain.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Sewage (AREA)

Abstract

L'invention concerne une unité de tuyau en béton précontraint ayant un embout femelle et un embout mâle, qui comprend un noyau en béton ; un fil d'acier précontraint qui est enroulé autour de la paroi externe du noyau en béton ; une couche protectrice qui est disposée à l'extérieur du fil d'acier précontraint ; l'extrémité avant du noyau en béton étant dotée d'un embout mâle et l'extrémité arrière du noyau en béton étant dotée d'un embout femelle de façon à connecter plus d'une unité de tuyau bout à bout ; une cage cylindrique de barres d'acier de renforcement qui est disposée coaxialement dans le noyau en béton, et les deux extrémités de la cage cylindrique de barres d'acier de renforcement se connectant respectivement à l'embout mâle et à l'embout femelle. Plusieurs unités de tuyau sont ainsi connectées par jonction des embouts mâles avec les embouts femelles bout à bout, formant ainsi un tuyau en béton.
PCT/CN2007/001271 2006-08-24 2007-04-18 Unité de tuyau en béton précontraint ayant un embout femelle en acier et un embout mâle en acier et tuyau en béton formé de telles unités de tuyau en béton WO2008025200A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200620027120.1 2006-08-24
CNU2006200271201U CN2918937Y (zh) 2006-08-24 2006-08-24 钢制承插口预应力混凝土管

Publications (1)

Publication Number Publication Date
WO2008025200A1 true WO2008025200A1 (fr) 2008-03-06

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PCT/CN2007/001271 WO2008025200A1 (fr) 2006-08-24 2007-04-18 Unité de tuyau en béton précontraint ayant un embout femelle en acier et un embout mâle en acier et tuyau en béton formé de telles unités de tuyau en béton

Country Status (2)

Country Link
CN (1) CN2918937Y (fr)
WO (1) WO2008025200A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588246A (zh) * 2017-09-04 2018-01-16 黄展鹏 一种混凝土复合管
CN108331979A (zh) * 2018-02-09 2018-07-27 安徽华奇管业有限公司 一种承插式钢筋混凝土管
CN109654306A (zh) * 2017-10-12 2019-04-19 方圆电气股份有限公司 一种高分子聚合物复合钢筒预应力管道
CN110260056A (zh) * 2019-07-12 2019-09-20 中水六局华浙开原管业有限公司 一种内嵌钢筒式钢筋混凝土排水管及制作方法
CN110608317A (zh) * 2019-09-24 2019-12-24 北京市燕通建筑构件有限公司 一种uhpc水管结构及其制作工艺
CN114087430A (zh) * 2021-10-29 2022-02-25 西安理工大学 一种可实时监测应变的预应力钢筒混凝土管及制造方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101344196B (zh) * 2007-07-09 2012-01-04 天津万联管道工程有限公司 钢制承插口预应力玻璃钢混凝土管
CN101344195B (zh) * 2007-07-09 2011-06-22 天津万联管道工程有限公司 钢制承插口玻璃钢钢筋混凝土管
CN108758109A (zh) * 2018-04-28 2018-11-06 安徽砼宇特构科技有限公司 一种方便安装的混凝土管材
CN110671579A (zh) * 2019-11-08 2020-01-10 新兴铸管股份有限公司 城镇供热用柔性接口管及其施工方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963056A (en) * 1974-01-02 1976-06-15 Nippon Concrete Kogyo Kabushiki Kaisha Concrete piles, poles or the like
CN2060196U (zh) * 1989-11-20 1990-08-08 南京市水泥制管厂 预应力钢筒混凝土压力管
JPH07259186A (ja) * 1994-03-25 1995-10-09 Nkk Corp 鋼管コンクリート柱の接続構造
CN2217495Y (zh) * 1994-08-30 1996-01-17 山西省忻州地区东楼机械厂 螺纹联接预应力钢筋混凝土井管
CN1280053A (zh) * 1999-07-09 2001-01-17 衡水市水泥制品厂 一种钢筋混凝土深机井管
DE10047013A1 (de) * 2000-09-22 2002-04-11 Eisenbau Essen Gmbh Verfahren zum Herstellen von Großrohren für insbesondere den Wasserleitungsbau
CN2517945Y (zh) * 2002-01-04 2002-10-23 徐明昌 预应力混凝土管

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963056A (en) * 1974-01-02 1976-06-15 Nippon Concrete Kogyo Kabushiki Kaisha Concrete piles, poles or the like
CN2060196U (zh) * 1989-11-20 1990-08-08 南京市水泥制管厂 预应力钢筒混凝土压力管
JPH07259186A (ja) * 1994-03-25 1995-10-09 Nkk Corp 鋼管コンクリート柱の接続構造
CN2217495Y (zh) * 1994-08-30 1996-01-17 山西省忻州地区东楼机械厂 螺纹联接预应力钢筋混凝土井管
CN1280053A (zh) * 1999-07-09 2001-01-17 衡水市水泥制品厂 一种钢筋混凝土深机井管
DE10047013A1 (de) * 2000-09-22 2002-04-11 Eisenbau Essen Gmbh Verfahren zum Herstellen von Großrohren für insbesondere den Wasserleitungsbau
CN2517945Y (zh) * 2002-01-04 2002-10-23 徐明昌 预应力混凝土管

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588246A (zh) * 2017-09-04 2018-01-16 黄展鹏 一种混凝土复合管
CN109654306A (zh) * 2017-10-12 2019-04-19 方圆电气股份有限公司 一种高分子聚合物复合钢筒预应力管道
CN108331979A (zh) * 2018-02-09 2018-07-27 安徽华奇管业有限公司 一种承插式钢筋混凝土管
CN110260056A (zh) * 2019-07-12 2019-09-20 中水六局华浙开原管业有限公司 一种内嵌钢筒式钢筋混凝土排水管及制作方法
CN110608317A (zh) * 2019-09-24 2019-12-24 北京市燕通建筑构件有限公司 一种uhpc水管结构及其制作工艺
CN114087430A (zh) * 2021-10-29 2022-02-25 西安理工大学 一种可实时监测应变的预应力钢筒混凝土管及制造方法
CN114087430B (zh) * 2021-10-29 2023-08-22 西安理工大学 一种可实时监测应变的预应力钢筒混凝土管及制造方法

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