CN102561207A - Construction method for vertically rotating arch rib - Google Patents

Construction method for vertically rotating arch rib Download PDF

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Publication number
CN102561207A
CN102561207A CN2010106239408A CN201010623940A CN102561207A CN 102561207 A CN102561207 A CN 102561207A CN 2010106239408 A CN2010106239408 A CN 2010106239408A CN 201010623940 A CN201010623940 A CN 201010623940A CN 102561207 A CN102561207 A CN 102561207A
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CN
China
Prior art keywords
sections
arch rib
rod
vertical transfer
construction
Prior art date
Application number
CN2010106239408A
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Chinese (zh)
Inventor
徐升桥
任为东
彭岚平
焦亚萌
吴嘉嘉
田青
王亚超
Original Assignee
中铁工程设计咨询集团有限公司
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Application filed by 中铁工程设计咨询集团有限公司 filed Critical 中铁工程设计咨询集团有限公司
Priority to CN2010106239408A priority Critical patent/CN102561207A/en
Publication of CN102561207A publication Critical patent/CN102561207A/en

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Abstract

The invention relates to the technical field of a bridge and discloses a construction method for vertically rotating an arch rib. The construction method comprises the following steps of: dividing the arch rib in combination with construction organization according to site topography and vertically rotating each segment, hoisting each segment of the arch rib by hoisting equipment, sequentially and vertically rotating each segment from the top segment of the arch till to be semi-arch rib state, and joining the arch rib by the vertical rotation of a common vertical rotation method. The method can be used for constructing an arch bridge which spans over a gorge and mountain steeps on both sides, and selecting repeated vertical rotation according to the mountains and the construction organization conditions of both sides, so that the construction height can be reduced, and the aloft work is reduced; the bridge is close to the mountain due to repeated vertical rotation and assembly, the bridge can be directly assembled by common hoisting equipment, and the installation of large-scale hoisting equipment such as a tower crane or a cable hanger can be avoided, so that the construction cost can be greatly saved; and the assembly construction work is mostly close to the mountain, so that the construction technology quality such as steel structure welding can be greatly improved as well.

Description

A kind of arch rib vertical rotating construction method
Technical field
The present invention relates to the bridge technology field, particularly relate to a kind of arch rib vertical rotating construction method.
Background technology
The steel work arch bridge or with steel work as the arch rib stiff skeleton adopt in the arch bridge in modern times very general.The method of turning is as a kind of main construction method of arch bridge, is divided into the method for flatting turn and vertical transfer method according to the difference of its rotational plane.
The vertical transfer method is according to the difference of vertical transfer direction, is divided into vertical transfer from bottom to top and two kinds of vertical transfers from top to bottom.Vertical transfer from bottom to top need be on the level land assembly unit rib structure, and arch bridge multispan Yue Gou river course road combines with the method for flatting turn so vertical transfer is many from bottom to top, behind a side assembly unit arch rib, vertical transfer is flatted turn and is joined the two sections of a bridge, etc into bridge.For crossing over the valley, the arch bridge that the two sides massif is precipitous is more suitable for adopting vertical rotating construction method from top to bottom.
Vertical rotating construction method is from top to bottom, and the steel arch rib before the vertical transfer is leaned against on the massif of two sides, utilizes tower crane or cable to hang by section assembling steel rib-lifting section; Accomplish until partly striding the arch rib assembly unit; Through the Suo Li traction of drag cable and knotted rope, make two sides arch rib vertical transfer then, join the two sections of a bridge, etc into bridge to becoming bridge location to put.
The vertical transfer method that adopts in the present actual engineering is the vertical transfer method one time, is about to the steel arch rib and distinguishes assembly unit to semiarch rib state in two sides, starts jack then and regulates Suo Li, and arch rib is slowly rotated, and once turns to and closes up state.One time vertical transfer method process is simple, is easy to control, but because arch rib is an arcuate structure, and the two sides massif is to recede; Like this, near the arch springing section, arch rib and massif close together, assembly unit easily; The closer to crown section, both distances are far away more, require also high more to plant equipment such as tower crane or cable hang; Assembly unit is more difficult, and work high above the ground, and is very risky.
Secondary vertical rotating construction method is a vertical transfer arch rib at twice; Its process of vertical transfer for the second time is identical with the process of a vertical transfer method; Cross the Cheng Qian in the vertical transfer second time and also have vertical transfer for the first time, be about to the state before arch rib elder generation vertical transfer to time vertical transfer method is constructed, carry out the vertical transfer second time again.The secondary vertical rotating method effectively reduces the height of construction, but for the bigger arch rib of some spans, the perpendicular assembly of the arch rib after it reduces is highly still very high, and assembly unit still has greater risk.
Summary of the invention
The technical problem that (one) will solve
The technical problem that the present invention will solve is how to reduce the construction height and the difficulty of crossing over valley, arch bridge that the two sides massif is precipitous, improves the safety and the construction quality of work high above the ground.
(2) technical scheme
In order to solve the problems of the technologies described above, the present invention provides a kind of arch rib vertical rotating construction method, and it may further comprise the steps:
S1: divide the arch rib segments, from the arch springing section upwards successively serial number be the 1st sections, the 2nd sections, up to the n sections, wherein n is the integer greater than 2;
S2: the following vertical transfer hinge of said the 1st sections is installed on the arch rib seat, and said the 1st sections arch rib rod member assembly unit is in place;
S3: the top that is installed in said the 1st sections is cut with scissors in the following vertical transfer of said the 2nd sections, and said the 2nd sections arch rib rod member assembly unit is in place;
S4: repeating said steps S3 installs the following vertical transfer hinge of residue sections, the arch rib rod member of assembly unit residue sections successively, cuts with scissors the top that is installed in the n-1 sections up to the following vertical transfer of n sections, and the assembly unit of n sections arch rib rod member is in place;
S5: drag cable and knotted rope are installed on said n sections; Start the jack of said drag cable and knotted rope; Said n sections vertical transfer hinge under it is turned to and the closure of said n-1 sections; Closure rod member between said n sections and the n-1 sections is installed, is made said n sections and n-1 sections connect into as a whole;
S6: spur said drag cable; And regulate said button cable force; The integral body that forms when the closure of said n sections and n-1 sections turns to when joining the two sections of a bridge, etc with the n-2 sections around the following vertical transfer hinge of said n-1 sections; Closure rod member between said n-1 sections and the n-2 sections is installed, is made said n-1 sections and n-2 sections connect into as a whole;
S7: repeating said steps S6, the sections of closure residue successively, installation and closure rod member are up to connecting into as a whole with said the 1st sections;
S8: regulate said button cable force,, and join the two sections of a bridge, etc into bridge with the following vertical transfer hinge vertical transfer of the integral body that forms among the said step S7 around said the 1st sections.
In the above-mentioned arch rib vertical rotating construction method, among the said step S2-S4, the top of said the 1st sections to the n-1 sections all is connected with the fixedly atural object of job location through rigid connecting rod.
In the above-mentioned arch rib vertical rotating construction method, accomplish after the said step S5, also comprise step:
S5-6: spur said drag cable, and regulate said button cable force, when said n-1 sections and the said fixedly rigid connecting rod axle power between the atural object are zero, remove said rigid connecting rod.
In the above-mentioned arch rib vertical rotating construction method, also comprise among the said step S7: regulate said button cable force,, remove said rigid connecting rod successively when residue sections and the said fixedly rigid connecting rod axle power between the atural object when being zero.
(3) beneficial effect
The arch rib vertical rotating construction method that technique scheme provided can be used for crossing over the construction of valley, arch bridge that the two sides massif is precipitous, selects repeatedly vertical transfer according to the mountain shape and the construction organization situation of two sides; Reduced the height of construction; Reduced work high above the ground since repeatedly during the vertical transfer assembly unit and massif near, can directly utilize common lifting appliance assembly unit; Avoided tower crane or cable the installation of large-scale lifting appliance such as to hang; Practiced thrift construction cost greatly, the construction operation of assembly unit simultaneously is many to carry out near massif, and construction technology quality such as steel work welding also will improve greatly.
Description of drawings
Fig. 1 is the sketch map that arch rib vertical transfer each section assembling of when construction of the embodiment of the invention is accomplished;
Fig. 2 is the sketch map that arch rib vertical transfer when construction vertical transfer for the first time of the embodiment of the invention is accomplished;
Fig. 3 is the sketch map that arch rib vertical transfer when construction vertical transfer for the second time of the embodiment of the invention is accomplished;
Fig. 4 is the sketch map that arch rib vertical transfer when construction vertical transfer for the third time of the embodiment of the invention is accomplished.
Wherein, 0: hill side line; 1: the 1 sections arch rib; 2: the 2 sections arch ribs; 3: the 3 sections arch ribs; 4: the 1 sections rigid connecting rods; 5: the 2 sections rigid connecting rods; Vertical transfer hinge under 6: the 1 sections; Vertical transfer hinge under 7: the 2 sections; Vertical transfer hinge under 8: the 3 sections; 9: drag cable; 10: knotted rope; 11: the 2 sections and the 3rd sections closure rod member; 12: the 1 sections and the 2nd sections closure rod member.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
In order accomplish to cross over the construction of valley, arch bridge that the two sides massif is precipitous safely and efficiently, the invention provides a kind of repeatedly vertical rotating construction method, concrete implementation is following:
The first step: also combine the construction organization situation according to on-the-spot physical features, divide the most reasonably arch rib segments, from the arch springing section make progress number consecutively be the 1st sections, the 2nd sections ... the n sections, the segmentation number of arch rib is the number of times of vertical transfer.
Second step: the vertical transfer hinge of whole arch rib is installed on abut, and promptly the following vertical transfer hinge of the 1st sections utilizes hanging device that the 1st sections arch rib rod member assembly unit is in place.Solid atural object in job locations such as the 1st sections top and massifs is connected with rigid connecting rod, and the 1st sections is firm when guaranteeing follow-up assembly unit.
The 3rd step: the following vertical transfer hinge of the 2nd sections is installed at the 1st sections top in place of assembly unit, utilizes lifting appliance that the 2nd sections arch rib rod member assembly unit is in place.Solid atural object in job locations such as the 2nd sections top and massifs is connected with rigid connecting rod, and the 2nd sections is stable when guaranteeing follow-up each section assembling.
The 4th step: repeated for the 3rd step; The rigid connecting rod of following vertical transfer hinge, each sections rod member of each sections arch rib of residue being installed successively and being set up the solid atural object of job locations such as each sections top and massif is connected; Finish until n sections construction, the n sections can not set up with the rigid connecting rod of the solid atural object of job location such as massif and be connected.
The 5th step: drag cable and knotted rope are installed on n sections arch rib; Start the jack of two ropes; Make the n sections around its down vertical transfer hinge turn to its position when joining the two sections of a bridge, etc with the n-1 sections, the intersegmental closure rod member of n sections and n-1 is installed, make the n sections be connected in aggregates with the n-1 sections.
The 6th step: continue pulling drag cable and adjusting button cable force; To n-1 sections and massif rigid connecting rod axle power near 0 o'clock; Remove the rigid connecting rod of n-1 sections and massif; When treating to join the two sections of a bridge, etc the position of sections vertical transfer when join the two sections of a bridge, etc, the intersegmental closure rod member of n-1 sections and n-2 is installed, is made the connection of n-1 sections to the n-2 sections in aggregates with the n-2 sections.
The 7th step: repeated for the 6th step; Continue the adjusting button cable force, remove the rigid connecting rod between the solid atural object of job locations such as each sections and massif successively, vertical transfer joined the two sections of a bridge, etc sections to next sections position that joins the two sections of a bridge, etc; The installation and closure rod member; It is become with integral body,, promptly form the preceding state of vertical transfer method vertical transfer until merging one with the 1st sections arch rib.
The 8th step: continue to regulate Suo Li, according to the method vertical transfer of a vertical transfer method, closure, Cheng Qiao.
In conjunction with accompanying drawing, be example with three vertical transfers, detailed job practices is described; At first, according to on-the-spot physical features and combine the construction organization situation, arch rib is divided into three sections; From the arch springing section number consecutively that makes progress is the 1st sections arch rib the 1, the 2nd sections arch rib 2 and the 3rd sections arch rib 3; Vertical transfer hinge 6 under the 1st sections is fixed on the abut, utilizes hanging device that the arch rib rod member assembly unit of the 1st sections arch rib 1 is in place, use the 1st sections rigid connecting rod 4 to be connected with massif on the 1st sections arch rib top; Make the 1st sections arch rib 1 near hill side line 0, the 1st sections arch rib is firm when guaranteeing follow-up assembly unit.Vertical transfer hinge 7 under the 2nd sections is installed at the 1st sections arch rib 1 top in place of assembly unit; Utilize lifting appliance that the arch rib rod member assembly unit of the 2nd sections arch rib 2 is in place; Use the 2nd sections rigid connecting rod 5 to be connected with massif on the 2nd sections top, the 2nd sections arch rib 2 is stable when guaranteeing follow-up each section assembling.Sketch map after assembly unit is accomplished is as shown in Figure 1.
Vertical transfer hinge 8 under the 3rd sections is installed at the 2nd sections arch rib 2 tops in place of assembly unit; Utilize lifting appliance that the arch rib rod member assembly unit of the 3rd sections arch rib 3 is in place; Drag cable 9 and knotted rope 10 are installed on the 3rd sections arch rib 3; Start the jack of two ropes, the 2nd sections and the 3rd sections rod member 11 that joins the two sections of a bridge, etc is installed in the position when making the 3rd sections arch rib 3 vertical transfer hinge 8 under the 3rd sections turn to it with 2 closures of the 2nd sections arch rib; Make the 3rd sections arch rib 3 be connected in aggregates, as shown in Figure 2 with the 2nd sections arch rib 2.
Continue pulling drag cable 9, regulate the Suo Li of knotted rope 10, to 5 power of the 2nd sections rigid connecting rod between the 2nd sections arch rib 2 and massif near 0 o'clock; Remove the 2nd sections rigid connecting rod 5; When treating to join the two sections of a bridge, etc the position of sections vertical transfer to the time, the 1st sections and the 2nd sections rod member 12 that joins the two sections of a bridge, etc is installed, is made the 2nd sections arch rib 2 be connected in aggregates with the 1st sections arch rib 1 with 1 closure of the 1st sections arch rib; Promptly the 3rd sections arch rib the 3, the 2nd sections arch rib 2 is as a whole, as shown in Figure 3 with the 1st 1 one-tenth of sections arch rib.
Continue to regulate the Suo Li of knotted rope 10, according to the method vertical transfer of a vertical transfer method, closure, Cheng Qiao, as shown in Figure 4.
Can find out that by above embodiment the embodiment of the invention can be used for crossing over the construction of valley, arch bridge that the two sides massif is precipitous, selects repeatedly vertical transfer according to the mountain shape and the construction organization situation of two sides; Reduced the height of construction; Reduced work high above the ground since repeatedly during the vertical transfer assembly unit and massif near, can directly utilize common lifting appliance assembly unit; Avoided tower crane or cable the installation of large-scale lifting appliance such as to hang; Practiced thrift construction cost greatly, the construction operation of assembly unit simultaneously is many to carry out near massif, and construction technology quality such as steel work welding also will improve greatly
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and replacement, these improvement and replacement also should be regarded as protection scope of the present invention.

Claims (4)

1. an arch rib vertical rotating construction method is characterized in that, may further comprise the steps:
S1: divide the arch rib segments, from the arch springing section upwards successively serial number be the 1st sections, the 2nd sections, up to the n sections, wherein n is the integer greater than 2;
S2: the following vertical transfer hinge of said the 1st sections is installed on the arch rib seat, and said the 1st sections arch rib rod member assembly unit is in place;
S3: the top that is installed in said the 1st sections is cut with scissors in the following vertical transfer of said the 2nd sections, and said the 2nd sections arch rib rod member assembly unit is in place;
S4: repeating said steps S3 installs the following vertical transfer hinge of residue sections, the arch rib rod member of assembly unit residue sections successively, cuts with scissors the top that is installed in the n-1 sections up to the following vertical transfer of n sections, and the assembly unit of n sections arch rib rod member is in place;
S5: drag cable and knotted rope are installed on said n sections; Start the jack of said drag cable and knotted rope; Said n sections vertical transfer hinge under it is turned to and the closure of said n-1 sections; Closure rod member between said n sections and the n-1 sections is installed, is made said n sections and n-1 sections connect into as a whole;
S6: spur said drag cable; And regulate said button cable force; The integral body that forms when the closure of said n sections and n-1 sections turns to when joining the two sections of a bridge, etc with the n-2 sections around the following vertical transfer hinge of said n-1 sections; Closure rod member between said n-1 sections and the n-2 sections is installed, is made said n-1 sections and n-2 sections connect into as a whole;
S7: repeating said steps S6, the sections of closure residue successively, installation and closure rod member are up to connecting into as a whole with said the 1st sections;
S8: regulate said button cable force,, and join the two sections of a bridge, etc into bridge with the following vertical transfer hinge vertical transfer of the integral body that forms among the said step S7 around said the 1st sections.
2. arch rib vertical rotating construction method as claimed in claim 1 is characterized in that, among the said step S2-S4, the top of said the 1st sections to the n-1 sections all is connected with the fixedly atural object of job location through rigid connecting rod.
3. arch rib vertical rotating construction method as claimed in claim 2 is characterized in that, accomplishes after the said step S5, also comprises step:
S5-6: spur said drag cable, and regulate said button cable force, when said n-1 sections and the said fixedly rigid connecting rod axle power between the atural object are zero, remove said rigid connecting rod.
4. arch rib vertical rotating construction method as claimed in claim 2 is characterized in that, also comprises among the said step S7: regulate said button cable force, when residue sections and the said fixedly rigid connecting rod axle power between the atural object when being zero, remove said rigid connecting rod successively.
CN2010106239408A 2010-12-31 2010-12-31 Construction method for vertically rotating arch rib CN102561207A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103572834A (en) * 2013-10-15 2014-02-12 江苏科技大学 Large-span arch structure and construction method thereof
CN106988219A (en) * 2017-02-28 2017-07-28 济南城建集团有限公司 A kind of method for connecting reel and cable hoisting Arch Bridge Construction being carried out using it
CN107740351A (en) * 2017-10-12 2018-02-27 中交第二航务工程局有限公司 A kind of more braced arch rib vertical rotating construction methods of large span

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002201609A (en) * 2000-12-28 2002-07-19 Ps Corp Construction method for concrete arch bridge
KR100565865B1 (en) * 2005-12-15 2006-03-30 우경건설 주식회사 Construction method of concrete arch bridge
CN1851137A (en) * 2006-04-27 2006-10-25 中铁一局集团有限公司 Gate-type crane semiarch integral-hoisting steel-pipe arch process
CN101672011A (en) * 2009-10-13 2010-03-17 中铁二局股份有限公司 Steel tube arch rib vertical lifting method
CN101864737A (en) * 2010-06-11 2010-10-20 中铁大桥局集团有限公司 Secondary vertical rotating construction method for arch rib of long-span steel arch bridge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002201609A (en) * 2000-12-28 2002-07-19 Ps Corp Construction method for concrete arch bridge
KR100565865B1 (en) * 2005-12-15 2006-03-30 우경건설 주식회사 Construction method of concrete arch bridge
CN1851137A (en) * 2006-04-27 2006-10-25 中铁一局集团有限公司 Gate-type crane semiarch integral-hoisting steel-pipe arch process
CN101672011A (en) * 2009-10-13 2010-03-17 中铁二局股份有限公司 Steel tube arch rib vertical lifting method
CN101864737A (en) * 2010-06-11 2010-10-20 中铁大桥局集团有限公司 Secondary vertical rotating construction method for arch rib of long-span steel arch bridge

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103572834A (en) * 2013-10-15 2014-02-12 江苏科技大学 Large-span arch structure and construction method thereof
CN103572834B (en) * 2013-10-15 2016-01-06 江苏科技大学 A kind of large-span arch structure and construction method thereof
CN106988219A (en) * 2017-02-28 2017-07-28 济南城建集团有限公司 A kind of method for connecting reel and cable hoisting Arch Bridge Construction being carried out using it
CN106988219B (en) * 2017-02-28 2019-03-08 济南城建集团有限公司 A method of it connecting reel and it is utilized to carry out cable hoisting Arch Bridge Construction
CN107740351A (en) * 2017-10-12 2018-02-27 中交第二航务工程局有限公司 A kind of more braced arch rib vertical rotating construction methods of large span
CN107740351B (en) * 2017-10-12 2019-01-11 中交第二航务工程局有限公司 A kind of more braced arch rib vertical rotating construction methods of large span

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