CA2349855A1 - Tension force adjustable prestressed girder - Google Patents

Tension force adjustable prestressed girder Download PDF

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Publication number
CA2349855A1
CA2349855A1 CA002349855A CA2349855A CA2349855A1 CA 2349855 A1 CA2349855 A1 CA 2349855A1 CA 002349855 A CA002349855 A CA 002349855A CA 2349855 A CA2349855 A CA 2349855A CA 2349855 A1 CA2349855 A1 CA 2349855A1
Authority
CA
Canada
Prior art keywords
girder
bridge
building
load
tension
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
CA002349855A
Other languages
French (fr)
Other versions
CA2349855C (en
Inventor
Man Yop Han
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.)
Interconstec Co Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2349855A1 publication Critical patent/CA2349855A1/en
Application granted granted Critical
Publication of CA2349855C publication Critical patent/CA2349855C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
    • E04C3/26—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

A tension force adjustable prestressed girder is disclosed which can compensate for sagging or cracks of a girder generated due to overload or long-term creep or increase a load-resisting force of a bridge or a building. The tension force adjustable prestressed girder for adjusting a load-resisting force which consists of an upper flange (28) supporting an upper deck of a bridge installed thereon, a body portion (22), and a lower flange (24) which includes tension steel wires (27) provided in a lengthwise direction of the girder (40) and tensioned to compensate for the load-resisting force, and at least one or more non-tension steel wires (27a) provided in the lengthwise direction of the girder, so that the load-resisting force of the bridge or building can be increased by tensioning the non-tension steel wires. Thus, cracks and sagging of a girder generated due to long-term deterioration, creep or overload can be corrected by additionally tensioning steel wires installed internally or externally at a girder of the bridge or building.
Thus, repair and reinforcement of the bridge or building is easy so that the load-resisting force of the bridge or building can be easily increased. Also, by adjusting the tension force step by step, the girder can be economically manufactured or the height of the girder can be decreased.
CA002349855A 1998-11-07 1999-09-20 Tension force adjustable prestressed girder Expired - Fee Related CA2349855C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019980047661A KR100301431B1 (en) 1998-11-07 1998-11-07 Prestressed concrete girder with regulable tensile force
KR1998-47661 1998-11-07
PCT/KR1999/000567 WO2000028168A1 (en) 1998-11-07 1999-09-20 Tension force adjustable prestressed girder

Publications (2)

Publication Number Publication Date
CA2349855A1 true CA2349855A1 (en) 2000-05-18
CA2349855C CA2349855C (en) 2004-12-14

Family

ID=19557479

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002349855A Expired - Fee Related CA2349855C (en) 1998-11-07 1999-09-20 Tension force adjustable prestressed girder

Country Status (15)

Country Link
EP (1) EP1129263B1 (en)
JP (1) JP2003501568A (en)
KR (1) KR100301431B1 (en)
CN (1) CN1115451C (en)
AT (1) ATE259020T1 (en)
AU (1) AU750126B2 (en)
BR (1) BR9915041A (en)
CA (1) CA2349855C (en)
DE (1) DE69914621T2 (en)
ES (1) ES2217805T3 (en)
RU (1) RU2213187C2 (en)
TR (1) TR200101267T2 (en)
UA (1) UA70968C2 (en)
WO (1) WO2000028168A1 (en)
ZA (1) ZA200103608B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010036486A (en) * 1999-10-08 2001-05-07 박상일 Method for designing and fabricating multi-step tension prestressed girder
KR100427405B1 (en) * 2001-03-07 2004-04-17 박재만 Pssc complex girder
KR20020071611A (en) * 2001-03-07 2002-09-13 박재만 Pss beam
KR100466429B1 (en) * 2001-09-28 2005-01-13 허진구 PSC girder that possible an external tension
KR20040049590A (en) * 2002-12-06 2004-06-12 한국과학기술원 Multiple Stage prestressed Girder
WO2006007659A1 (en) * 2004-07-21 2006-01-26 S2 Holdings Pty Limited Building methods
US20080092481A1 (en) 2004-07-21 2008-04-24 Murray Ellen Building Methods
KR100950027B1 (en) 2009-12-04 2010-03-29 영창중공업 주식회사 Composite girder for bridge
KR101263305B1 (en) 2011-10-25 2013-05-10 김상운 Correction structuer of bridge deck
KR101265544B1 (en) 2012-05-15 2013-05-20 주식회사 장헌산업 Pretensioned psc girder of i-type using debonding method
CN103147537B (en) * 2013-03-05 2016-08-03 哈尔滨工程大学 A kind of bending carrying girder steel
CH706630B1 (en) * 2013-05-14 2013-12-31 S & P Clever Reinforcement Company Ag Method for pretensioning steel structure e.g. iron bridge, involves vertically driving lifting element to polymer tapes in region between end anchorages for causing traction force tensioning between end regions of polymer tapes
KR101682923B1 (en) 2016-06-15 2016-12-06 주식회사 노빌테크 Manufacturing method of channel type prestressed girder and the construction method using the girder manufactured thereby
CN106758873A (en) * 2016-11-11 2017-05-31 太原理工大学 A kind of punching prestressing force strengthens the method that diaphragm plate is connected with girder
RU2669595C1 (en) * 2017-11-27 2018-10-12 Общество с ограниченной ответственностью "НПП СК МОСТ" Method of strengthening the flight structure of bridge structure with change of the cross section
RU2677188C1 (en) * 2018-02-26 2019-01-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Петербургский государственный университет путей сообщения Императора Александра I" Preliminary stress-bearing reinforced beam
CN113324848B (en) * 2021-05-20 2022-07-15 山东大学 Low-temperature bending strain test method for asphalt mixture trabecula test piece

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604003A (en) * 1983-02-22 1986-08-05 Francoeur Ronald A Method and apparatus for retensioning prestressed concrete members
US4831800A (en) * 1987-06-24 1989-05-23 Nedelcu Lucian I Beam with an external reinforcement system
US5313749A (en) * 1992-04-28 1994-05-24 Conner Mitchel A Reinforced steel beam and girder
US5671572A (en) * 1994-02-11 1997-09-30 Siller-Franco; Jose Luis Method for externally reinforcing girders
KR100261556B1 (en) * 1997-12-31 2000-07-15 박재만 Restrain apparatus for prestress structure

Also Published As

Publication number Publication date
KR19990078494A (en) 1999-11-05
CN1115451C (en) 2003-07-23
AU5763399A (en) 2000-05-29
DE69914621D1 (en) 2004-03-11
EP1129263B1 (en) 2004-02-04
ATE259020T1 (en) 2004-02-15
CA2349855C (en) 2004-12-14
RU2213187C2 (en) 2003-09-27
EP1129263A1 (en) 2001-09-05
CN1331773A (en) 2002-01-16
DE69914621T2 (en) 2004-09-23
ES2217805T3 (en) 2004-11-01
KR100301431B1 (en) 2001-10-29
JP2003501568A (en) 2003-01-14
UA70968C2 (en) 2004-11-15
BR9915041A (en) 2002-06-04
AU750126B2 (en) 2002-07-11
ZA200103608B (en) 2002-08-15
WO2000028168A1 (en) 2000-05-18
TR200101267T2 (en) 2002-03-21

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