JPS6416606A - Automatic control device of tension jack for prestressed construction - Google Patents

Automatic control device of tension jack for prestressed construction

Info

Publication number
JPS6416606A
JPS6416606A JP17234387A JP17234387A JPS6416606A JP S6416606 A JPS6416606 A JP S6416606A JP 17234387 A JP17234387 A JP 17234387A JP 17234387 A JP17234387 A JP 17234387A JP S6416606 A JPS6416606 A JP S6416606A
Authority
JP
Japan
Prior art keywords
amount
scale
light
sensor head
stroke
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.)
Granted
Application number
JP17234387A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0546291B2 (enExample
Inventor
Hiroyuki Osanawa
Zenzo Asahi
Kazuyoshi Kodama
Genichi Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sato Kogyo Co Ltd
Kobelco Wire Co Ltd
Original Assignee
Shinko Wire Co Ltd
Sato Kogyo 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 Shinko Wire Co Ltd, Sato Kogyo Co Ltd filed Critical Shinko Wire Co Ltd
Priority to JP17234387A priority Critical patent/JPS6416606A/ja
Publication of JPS6416606A publication Critical patent/JPS6416606A/ja
Publication of JPH0546291B2 publication Critical patent/JPH0546291B2/ja
Granted legal-status Critical Current

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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
JP17234387A 1987-07-10 1987-07-10 Automatic control device of tension jack for prestressed construction Granted JPS6416606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17234387A JPS6416606A (en) 1987-07-10 1987-07-10 Automatic control device of tension jack for prestressed construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17234387A JPS6416606A (en) 1987-07-10 1987-07-10 Automatic control device of tension jack for prestressed construction

Publications (2)

Publication Number Publication Date
JPS6416606A true JPS6416606A (en) 1989-01-20
JPH0546291B2 JPH0546291B2 (enExample) 1993-07-13

Family

ID=15940148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17234387A Granted JPS6416606A (en) 1987-07-10 1987-07-10 Automatic control device of tension jack for prestressed construction

Country Status (1)

Country Link
JP (1) JPS6416606A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6010564A (en) * 1997-10-16 2000-01-04 Videojet Systems International, Inc. Jet ink composition
CN106049880A (zh) * 2016-05-26 2016-10-26 中铁二十三局集团轨道交通工程有限公司 一种先张法预应力施工自动控制系统及方法
CN113235939A (zh) * 2021-05-21 2021-08-10 中冶建筑研究总院有限公司 液压传感与流量采集结合的力与位移双控预应力张拉设备
CN114620636A (zh) * 2022-04-26 2022-06-14 杨军 一种张拉千斤顶

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5878712A (ja) * 1981-11-05 1983-05-12 清水建設株式会社 プレストレストコンクリ−トにおけるｐｃ鋼材の緊張管理方法
JPS58198705A (ja) * 1982-05-14 1983-11-18 Fujitsu Ltd 光フアイバ変位センサ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5878712A (ja) * 1981-11-05 1983-05-12 清水建設株式会社 プレストレストコンクリ−トにおけるｐｃ鋼材の緊張管理方法
JPS58198705A (ja) * 1982-05-14 1983-11-18 Fujitsu Ltd 光フアイバ変位センサ

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6010564A (en) * 1997-10-16 2000-01-04 Videojet Systems International, Inc. Jet ink composition
CN106049880A (zh) * 2016-05-26 2016-10-26 中铁二十三局集团轨道交通工程有限公司 一种先张法预应力施工自动控制系统及方法
CN106049880B (zh) * 2016-05-26 2019-09-20 中铁二十三局集团轨道交通工程有限公司 一种先张法预应力施工自动控制系统及方法
CN113235939A (zh) * 2021-05-21 2021-08-10 中冶建筑研究总院有限公司 液压传感与流量采集结合的力与位移双控预应力张拉设备
CN114620636A (zh) * 2022-04-26 2022-06-14 杨军 一种张拉千斤顶
CN114620636B (zh) * 2022-04-26 2023-06-16 杨军 一种张拉千斤顶

Also Published As

Publication number Publication date
JPH0546291B2 (enExample) 1993-07-13

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