WO2004072386A1 - Prestressed scaffolding system - Google Patents
Prestressed scaffolding system Download PDFInfo
- Publication number
- WO2004072386A1 WO2004072386A1 PCT/KR2004/000294 KR2004000294W WO2004072386A1 WO 2004072386 A1 WO2004072386 A1 WO 2004072386A1 KR 2004000294 W KR2004000294 W KR 2004000294W WO 2004072386 A1 WO2004072386 A1 WO 2004072386A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tendon
- wale
- anchoring unit
- vertical
- scaffolding system
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
Definitions
- the present invention relates to a scaffolding system that is temporarily placed
- the struts are closely arranged, e.g., within intervals of approximately 2-3 m, for primarily
- a plurality of holes is unavoidably formed in the main structure
- concrete piles may be simultaneously used, or sheet piles may be used.
- sheet piles may be used.
- Preflexed beams may also be used as the vertical piles, and the H-piles may
- the earth anchor system is used for supporting steel piles in the scaffolding
- piles, tendons or high strength steel bars are inserted into the drilled holes, ends of the
- inserted bars are anchored by a mechanical method or a chemical method such as
- This system has an advantage in that the inner space of the scaffolding system is very spacious, allowing the earth works and the support works to be easily performed.
- Korean Utility Model Registration No. 258949 discloses a method using truss
- This method is expected to be applied to a case where the depth of the excavated
- H-beams are doubly placed in a grid-type near the earth
- the H-beams are reinforced with vertical beams and inclined beams so that
- the earth pressure is supported by two floor trusses placed at the upper portion of the
- Japanese Patent 837994 disclose a method for reinforcing a wale using
- polygonal closed section comprises a prestressed wale comprising a plurality of
- a strut is constituted by a truss or a plurality of H-beams or an H-
- the triangular tendon support is constituted by .a vertical member and an
- the triangular tendon support is
- the tendon-anchoring unit fastens a tendon and couples with the wale for
- FIG. 1 is a plan view of a scaffolding system applied to a closed section
- FIG. 2 is a plan view of a scaffolding system applied to another closed section
- FIG. 3 is a cross-sectional view illustrating a scaffolding system applied to a
- FIG. 4 is a cross-sectional view of a scaffolding system applied to one
- FIG. 5 is a cross-sectional view illustrating a scaffolding system applied to one
- FIGS. 6a to 6d are detailed views of a tendon support used in the scaffolding system according to an embodiment of the present invention.
- FIGS. 7a and 7b are detailed views of a corner tendon-anchoring unit used in
- FIGS. 8a to 8d are detailed views of a horizontal tendon-anchoring unit used
- FIG. 9 is a detailed view of a vertical tendon- anchoring unit used in the
- FIG. 1 is a plan view of the present invention applied to a closed section of an
- prestressed wale 1 is disposed at four lateral sides of the closed section.
- a strut 3 is disposed at four lateral sides of the closed section.
- corner support beam 5 is situated behind the strut.
- lateral side includes three triangular tendon supports 12, a triangular anchoring unit 13,
- An intermediate pile 23 is equipped to support the
- the support beam for the tendon support 16 supports the triangular tendon supports 12 during the installation of
- the tendon support 16 are connected via a U-bolt in order to prevent a vertical buckling
- the truss strut 3 of each corner is positioned between two triangular anchoring
- the element numeral 60 is a tendon.
- FIG. 2 may be used when the excavating plane is small.
- a corner anchoring unit 14 substitutes the conventional corner support beam 5 and
- a T-shaped connecting brace 11 is used where the interval
- FIG. 3 is a cross-sectional view of FIGS. 1 and 2 and illustrates a horizontal
- prestressed scaffolding system 2 and main structure 7 according to an embodiment of the present invention. Unlike the conventional method, no equipment interferes the
- a wale 25 is arranged on four stages along the depth
- a soldier pile 22 is located at a distal external wall in
- the wale 25 is mounted to support the soldier pile 22.
- FIG. 4 a cross-sectional view of a scaffolding system for a subway, includes a
- main structure 8 vertical prestressed scaffolding system 6, and horizontal prestressed
- the drawing is supported at one side by a floor slab 9 of the main structure after the
- the vertical prestressed scaffolding system is useful when the main structure
- the tendon is placed at both ends of the H-beam 19 and is fixed to a separate tendon-
- anchoring unit 20 which is pre-coupled with the vertical H-beam.
- anchoring unit of the lower end of the vertical prestressed scaffolding system is
- numeral 24 is an earth retaining plate.
- FIG. 5 is a plan view of FIG. 4 and is used when the excavating plane is long
- the prestressed wale 1 is arranged along
- prestressed wale is fixed.
- the configuration of the prestressed wale is identical to the
- the vertical pile is a sheet pile 21 in place of the soldier pile 22, the
- FIGS. 6a to 6d illustrate various shapes and sizes of the triangular tendon
- the triangular tendon support is provided with a vertical member 32 and an inclined member 33 and is configured to reduce the number of support
- the triangular tendon support is also
- FIG. 6b is a second embodiment of the present invention and illustrates a pair
- FIG. 1 A plurality of vertical members and inclined members are used in FIG. 1
- FIGS. 7a and 7b are detailed views of the corner anchoring unit 14 of FIG. 2
- tensioned tendon is then fixed by an anchoring unit 71, which anchors the tendon.
- the force pulled via the tendon transmits the compression force to an adjacent wale
- a length adjusting unit 72 e.g., a precedent load jack or a screw jack.
- the configuration of FIG. 7b is
- the reference numeral 39 refers to an inlet of
- FIGS. 8a to 8d illustrate various anchoring units of the horizontal prestressed
- FIG. 8a illustrates a small anchoring unit used when a small amount of tension
- brace 43 or a vertical brace 44.
- the anchoring unit is formed with holes, thereby the
- the anchoring unit may preferably be formed in a curved shape in consideration of
- the tendon is fixed via the tendon-anchoring unit 73 at
- the length adjusting unit 72 (e.g., precedent
- load jack or screw jack is equipped to add the compression force to the corner support
- FIG. 8b illustrates an anchoring unit having an additional wale 42 for
- FIG. 8b is identical
- the wale 42 is inserted into the anchoring unit, and the tendon-anchoring unit 73 is
- brace 43 for supporting the anchoring unit is doubly placed to withstand the increased
- the force may differently be applied on each wale, and thus
- FIG. 8c illustrates the triangular anchoring unit 13 of FIG. 1 configured to
- FIG. 8c is also configured to transmit the load to the truss strut 3 supporting the
- H-shaped steel is disposed to form an isosceles triangle to withstand the load
- a screw jack 74 is equipped to adjust the
- the screw jack 74 is further
- a hydraulic jack 75 is provided to add a great amount of compression force between the anchoring
- the hydraulic jack 75 applies a compression force to the truss strut 3.
- FIG 8d shows an anchoring unit used for the scaffolding system illustrated in
- FIG. 4 The tendon 60 for supporting the wale 41 is tensioned via the hydraulic jack
- the tendon is designed to pass
- the truss strut 3 may be
- a double wale may preferably be
- FIG. 9 is a detailed view of the anchoring unit 20 for the vertical prestressed
- This method is for a vertical prestressed scaffolding
- the screw jack or precedent load jack 72 connected with the horizontal strut 26, is coupled with
- the anchoring unit 20 If the anchoring unit 20 is placed at a lower end of the
- the anchoring unit 20 can directly contact the existing slab (not
- This contact or coupling part may be firmly
- this anchoring unit is used in
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006500647A JP4094043B2 (en) | 2003-02-14 | 2004-02-13 | Prestressed temporary structure |
EP04711058A EP1595031A4 (en) | 2003-02-14 | 2004-02-13 | Prestressed scaffolding system |
US10/545,194 US20060070803A1 (en) | 2003-02-14 | 2004-02-13 | Prestressed scaffolding system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030009442A KR100571102B1 (en) | 2003-02-14 | 2003-02-14 | Device of Innovative Prestressed Scaffolding System for Improving Workability |
KR10-2003-0009442 | 2003-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004072386A1 true WO2004072386A1 (en) | 2004-08-26 |
Family
ID=36124422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2004/000294 WO2004072386A1 (en) | 2003-02-14 | 2004-02-13 | Prestressed scaffolding system |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060070803A1 (en) |
EP (1) | EP1595031A4 (en) |
JP (1) | JP4094043B2 (en) |
KR (1) | KR100571102B1 (en) |
CN (1) | CN100489198C (en) |
WO (1) | WO2004072386A1 (en) |
Cited By (5)
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JP2009516108A (en) * | 2005-11-16 | 2009-04-16 | サポーテック カンパニー リミテッド | Abdomen fixing tool |
JP2009516109A (en) * | 2005-11-16 | 2009-04-16 | サポーテック カンパニー リミテッド | Temporary earth retaining device |
WO2010110577A2 (en) * | 2009-03-24 | 2010-09-30 | 주식회사 장원기술단 | Self-supporting retaining wall construction using a curved steel panel and a steel wire |
CN104563132A (en) * | 2015-02-05 | 2015-04-29 | 北京瑞腾基础工程技术有限公司 | Method for selecting structure form of composite deep foundation pit support and composite deep foundation pit support system |
CN104775440A (en) * | 2015-04-21 | 2015-07-15 | 五洋建设集团股份有限公司 | Mineshaft-type underground garage deep foundation pit supporting structure |
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KR100746593B1 (en) * | 2004-09-21 | 2007-08-06 | 보람컨설턴트(주) | Method for Supporting Temporary Retaining Wall Using Support-line and Pre-loading Strut |
KR100742221B1 (en) | 2006-08-21 | 2007-07-24 | (주)리튼브릿지 | Temporary system for land-side protection wall |
KR100858712B1 (en) * | 2006-11-01 | 2008-09-17 | (주)써포텍 | Corner connecting apparatus of temporary soil sheathing work |
CN102286980B (en) * | 2011-07-11 | 2013-04-17 | 福建工大建筑设计院 | Steel truss foundation pit supporting structure |
CN102839677B (en) * | 2012-09-26 | 2015-03-04 | 上海新强劲工程技术有限公司 | Multifunctional rectangular connecting piece for internal support of foundation pit |
CN103306288B (en) * | 2013-07-08 | 2015-02-25 | 上海新强劲工程技术有限公司 | Tool type connector for steel shotcrete and enclosure wall in foundation pit support |
KR20150010419A (en) * | 2013-07-19 | 2015-01-28 | (주)써포텍 | Connecting structure of mid supporting beam for temporary soil sheathing work |
CN105133623B (en) * | 2015-09-25 | 2017-06-30 | 江苏东合南岩土科技股份有限公司 | A kind of construction method that supporting is carried out using prestress steel sheet pile supporting construction |
CN105256809B (en) * | 2015-09-25 | 2017-03-29 | 江苏东合南岩土科技股份有限公司 | A kind of utilization prestressing force H profile steel supporting construction carries out the construction method of supporting |
JP6826957B2 (en) * | 2017-06-26 | 2021-02-10 | 鹿島建設株式会社 | How to install support |
CN110424407A (en) * | 2019-08-14 | 2019-11-08 | 南通市规划设计院有限公司 | A kind of foundation pit supporting construction that structural strength is high |
CN110777807B (en) * | 2019-11-12 | 2021-06-22 | 广东省工程勘察院 | Deep foundation pit supporting construction method in complex environment |
US11427981B2 (en) * | 2019-12-16 | 2022-08-30 | Frank A. Scopetti, JR. | Shoring device for corners |
KR102444554B1 (en) | 2020-03-20 | 2022-09-19 | (주)토네이도건설 | Prestressed wale and it's construction method |
CN111456023B (en) * | 2020-03-31 | 2021-05-04 | 江苏东合南岩土科技股份有限公司 | Construction method of underground prestressed supporting structure |
CN111549787B (en) * | 2020-04-29 | 2021-06-29 | 浙江吉通地空建筑科技有限公司 | Conversion transmission type foundation pit section steel combined supporting system |
KR102483048B1 (en) | 2020-09-15 | 2023-01-04 | 주식회사 삼보지반기술 | The installation method of the hydraulic type belt ledge that can be expanded for temporary soil block construction and the hydraulic type belt ledge for temporary soil block construction |
CN112627196B (en) * | 2020-12-31 | 2021-10-08 | 东晟兴诚集团有限公司 | Reinforced foundation pit supporting structure and construction method thereof |
CN113202280A (en) * | 2021-04-21 | 2021-08-03 | 中交第四公路工程局有限公司 | Conversion bracket type steel structure for steel structure high-altitude construction and construction method thereof |
CN113846645B (en) * | 2021-08-25 | 2022-12-16 | 东通岩土科技股份有限公司 | Foundation pit supporting structure utilizing steel side arch structure |
CN113846644B (en) * | 2021-08-25 | 2022-11-01 | 东通岩土科技股份有限公司 | Foundation pit steel supporting structure utilizing haunch structure |
CN114908759B (en) * | 2022-05-11 | 2023-10-10 | 广州地铁设计研究院股份有限公司 | Foundation pit construction method for periphery of existing underground building |
Citations (4)
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JPS6319334A (en) * | 1986-07-11 | 1988-01-27 | Shimizu Constr Co Ltd | Waling work in sheathing construction |
JPS63304825A (en) * | 1987-06-04 | 1988-12-13 | Takenaka Komuten Co Ltd | Steel master pile for prestressed sheathing |
JPH0931984A (en) * | 1995-07-20 | 1997-02-04 | Marufuji Shiitopairu Kk | Corner unit for sheathing |
KR19980043585A (en) * | 1996-12-04 | 1998-09-05 | 하연식 | Prestress earthenware method and its layered cladding |
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US1415554A (en) * | 1921-01-31 | 1922-05-09 | Arthur G Hatch | Floor construction |
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US3490242A (en) * | 1968-03-07 | 1970-01-20 | Harry Schnabel Jr | Method and structure for reinforcing an earthen excavation |
US3710578A (en) * | 1971-03-04 | 1973-01-16 | Hirose Steel Ind Co Ltd | Method for constructing frame for retaining earth |
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US6416259B1 (en) * | 2000-05-11 | 2002-07-09 | John H. Meyer | Corner connection for temporary shoring |
JP3772657B2 (en) * | 2000-09-05 | 2006-05-10 | 鹿島建設株式会社 | Sliding mountain retaining system |
CN2481759Y (en) * | 2001-06-29 | 2002-03-13 | 孙洪涛 | Steel-pipe pile and anchor bar combined foundation pit supporting member |
AU2003268789A1 (en) * | 2002-10-07 | 2004-04-23 | Man-Yop Han | Innovative prestressed scaffolding system |
US7377725B2 (en) * | 2005-01-12 | 2008-05-27 | Cammack Charles H | Arched soil nail wall |
WO2007058464A1 (en) * | 2005-11-16 | 2007-05-24 | Supportec Co., Ltd. | Temporary soil sheathing apparatus |
WO2010092562A1 (en) * | 2009-02-09 | 2010-08-19 | Bahat Ben Ibrahim S | Erection method by simple tower instrument devices of building upper bridge construction |
-
2003
- 2003-02-14 KR KR1020030009442A patent/KR100571102B1/en active IP Right Grant
-
2004
- 2004-02-13 CN CNB2004800047248A patent/CN100489198C/en not_active Ceased
- 2004-02-13 WO PCT/KR2004/000294 patent/WO2004072386A1/en active Application Filing
- 2004-02-13 JP JP2006500647A patent/JP4094043B2/en not_active Expired - Lifetime
- 2004-02-13 US US10/545,194 patent/US20060070803A1/en not_active Abandoned
- 2004-02-13 EP EP04711058A patent/EP1595031A4/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6319334A (en) * | 1986-07-11 | 1988-01-27 | Shimizu Constr Co Ltd | Waling work in sheathing construction |
JPS63304825A (en) * | 1987-06-04 | 1988-12-13 | Takenaka Komuten Co Ltd | Steel master pile for prestressed sheathing |
JPH0931984A (en) * | 1995-07-20 | 1997-02-04 | Marufuji Shiitopairu Kk | Corner unit for sheathing |
KR19980043585A (en) * | 1996-12-04 | 1998-09-05 | 하연식 | Prestress earthenware method and its layered cladding |
Non-Patent Citations (1)
Title |
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See also references of EP1595031A4 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009516108A (en) * | 2005-11-16 | 2009-04-16 | サポーテック カンパニー リミテッド | Abdomen fixing tool |
JP2009516109A (en) * | 2005-11-16 | 2009-04-16 | サポーテック カンパニー リミテッド | Temporary earth retaining device |
JP4942759B2 (en) * | 2005-11-16 | 2012-05-30 | サポーテック カンパニー リミテッド | Abdomen fixing tool |
WO2010110577A2 (en) * | 2009-03-24 | 2010-09-30 | 주식회사 장원기술단 | Self-supporting retaining wall construction using a curved steel panel and a steel wire |
WO2010110577A3 (en) * | 2009-03-24 | 2010-12-23 | 주식회사 장원기술단 | Self-supporting retaining wall construction using a curved steel panel and a steel wire |
CN104563132A (en) * | 2015-02-05 | 2015-04-29 | 北京瑞腾基础工程技术有限公司 | Method for selecting structure form of composite deep foundation pit support and composite deep foundation pit support system |
CN104775440A (en) * | 2015-04-21 | 2015-07-15 | 五洋建设集团股份有限公司 | Mineshaft-type underground garage deep foundation pit supporting structure |
Also Published As
Publication number | Publication date |
---|---|
JP2006517628A (en) | 2006-07-27 |
EP1595031A4 (en) | 2006-05-03 |
CN100489198C (en) | 2009-05-20 |
CN1751157A (en) | 2006-03-22 |
KR20030019937A (en) | 2003-03-07 |
US20060070803A1 (en) | 2006-04-06 |
EP1595031A1 (en) | 2005-11-16 |
JP4094043B2 (en) | 2008-06-04 |
KR100571102B1 (en) | 2006-04-13 |
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