CN101813214A - Mounting and construction method of U-shaped tunnel pipelines - Google Patents

Mounting and construction method of U-shaped tunnel pipelines Download PDF

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Publication number
CN101813214A
CN101813214A CN 201010159874 CN201010159874A CN101813214A CN 101813214 A CN101813214 A CN 101813214A CN 201010159874 CN201010159874 CN 201010159874 CN 201010159874 A CN201010159874 A CN 201010159874A CN 101813214 A CN101813214 A CN 101813214A
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CN
China
Prior art keywords
pipeline
construction
tunnel
pipelines
pulley
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CN 201010159874
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Chinese (zh)
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CN101813214B (en
Inventor
温涛
孟强
王辉
陈海泉
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中国石油化工集团公司
江苏石油勘探局油田建设处
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Publication of CN101813214A publication Critical patent/CN101813214A/en
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Publication of CN101813214B publication Critical patent/CN101813214B/en

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Abstract

The invention discloses a mounting and construction method of U-shaped tunnel pipelines. The method comprises the following steps of: mounting pipelines of a left inclined shaft section firstly and meanwhile, carrying out pipeline transportation and distribution of a level section; after the pipeline transportation and distribution of the level section is finished, mounting pipelines of a right inclined shaft section; and finally, connecting the heads on the level section to run through, wherein the pipeline mounting of the inclined shaft sections comprises the following steps of: laying a light rail through the whole course at the bottom of the tunnel; then embedding a ground anchor, fixing a winding machine and beginning to excavate a working pit; mounting a hoop and a sled on a pipeline; connecting a pulley block with the ground anchor, the pipeline, the loop and the winding machine; ensuring that the pipeline downwards slides along the light rail through the sled until the upper port of the pipeline arrives at the working pit; then continuing to mount another pipeline; and repeating in such a way until the inclined shaft pipelines and the level pipelines are butt jointed. In the construction method, the operations of welding, flaw detecting and joint repairing aiming at the inclined shaft pipelines are all finished outside the port of the tunnel, thereby avoiding the construction in the tunnel, improving the construction safety, reducing the labor intensity and being beneficial to improving the welding quality, shortening the construction period and saving the construction cost.

Description

U type tunnel pipelines construction method of installation

Technical field

The present invention relates to a kind of construction method of installation of large diameter pipeline, the U type tunnel pipelines construction method of installation that particularly a kind of lower curved section is long.

Background technique

At present, piping erection for U type tunnel, usually adopt the method for construction of in the tunnel, installing by root from lower to upper, pipeline group is mended, welding, flaw detection, repaired mouth and is hindered construction and all finish at tunnel internal, and there is following shortcoming in this method: (1) workmen's whole process is carried out the piping erection construction in the tunnel, potential safety hazard is bigger, in case it is not smooth to occur ventilating, roll into foreign matter or landslide, security incident will take place, naked hole section and first section construction safety problem are especially outstanding; (2) humidity is bigger in the tunnel, influence welding largely and repaired mouth quality; (3) in the tunnel, be subjected to spatial constraints, can't be by machinery, work efficiency is very low, and construction period is longer relatively, and construction cost also will increase relatively; (4) workmen's materials hauling, equipment on foot about, run out of space.

Summary of the invention

For solving in the existing U type tunnel pipelines construction method of installation, workmen's whole process is installed in the tunnel, and potential safety hazard is big, long in time limit, the problem that installation quality is difficult to guarantee the invention provides a kind of U type tunnel pipelines construction method of installation, and the pipeline welding of lower curved section is finished outside the tunnel.

For solving above technical problem, a kind of U type tunnel pipelines construction method of installation provided by the present invention, U type tunnel comprises left lower curved section, gallery section and right lower curved section, this method of construction comprises the steps: to carry out earlier the piping erection of left lower curved section, carry out the pipeline fortune stringing of gallery section simultaneously, after gallery section fortune stringing finishes, then carry out the piping erection of right lower curved section, connect at gallery Duan Liantou at last; (1) the omnidistance guiding device of laying light rail as the pipeline downslide in the bottom of tunnel lower curved section; (2) bury the earth anchor that can carry pipeline downslide load underground in the place ahead, tunnel face, and in position fix winch; (3) outside the tunnel face, excavate working pit; (4) anchor ear is installed on prefabricated tube section, anchor ear below is fixedly connected with sled, and described sled and described light rail are suitable and can slide along light rail; (5) form head pulley group and auxiliary pulley group respectively by static pulley, movable pulley and wire rope, the static pulley of two sheave block all is connected on the earth anchor, the movable pulley of head pulley group is connected with the anchor ear of pipeline, and the traction end of head pulley group wire rope is connected to winch and is drawn by winch; (6) prefabricated tube section glides along light rail by sled, controls its gliding speed and distance by winch, arrives the working pit place until the prefabricated tube section upper end-hole and stops; (7) continue to install a pipeline, the group of finishing two pipelines at the working pit place is successively mended, welding, flaw detection and repaired mouth and is hindered; (8) pipeline that welding is good continues to slide in inclined shaft, continues to install a pipeline; (9) after the wire rope of winch is discharged into safe length, use the auxiliary pulley group to draw prefabricated tube section in the tunnel face temporarily, rope traction end with a digging machine traction auxiliary pulley group is fixed prefabricated tube section, after again the head pulley group being decontroled withdrawal, again be bundled in the top of prefabricated tube section, draw the traction end of head pulley group wire rope after the wire rope of winch is regained again, carry out the welding of next root pipeline again and transfer construction, so alternately back and forth, dock with the gallery pipeline until the inclined shaft pipeline.

With respect to prior art, the present invention has obtained following beneficial effect: (1) has changed the method for construction of installing by root from lower to upper, makes the piping erection of left lower curved section and the pipeline fortune stringing of gallery section to carry out simultaneously, has shortened the duration; (2) group of lower curved section pipeline is mended to hinder to, welding, flaw detection and repaired mouth and is all finished outside the tunnel, has significantly reduced the activity duration of workmen in the tunnel, the Security that has greatly improved tunnel construction; (3) workmen mends to hinder to the welding of pipeline, flaw detection, repaired mouth and all finishes in the working pit the tunnel face outside, avoided round on foot on the slope in the tunnel, operated, and has also avoided the frequent displacement of welding, defect-detecting equipment; (4) compare with the high humidity environment in the tunnel, help improving welding and repaired mouth quality; (5) prefabricated pipeline can improve work efficiency by machinery outside the tunnel face, shortens construction period, saves construction cost; (6) reduce workmen's working strength, significantly reduce workmen's materials hauling, equipment on foot about.

As improvement of the present invention, be welded to connect whole between each sled by steel part, the end socket device of the minor details lower end mouth of the anchor ear of the minor details of pipeline and pipeline connects into integral body.Can prevent from like this to be shifted between pipeline and the anchor ear, avoid sled to move and the pipeline downslide.

As another kind of improvement the of the present invention, be provided with the rubber protective layer between described anchor ear and the described prefabricated tube section.Slide in the process at prefabricated tube section, the rubber protective layer can effectively be protected pipeline anticorrosion coating.

Description of drawings

Fig. 1 is the on-the-spot floor map of U type tunnel pipelines construction method of installation of the present invention.

Fig. 2 is the on-the-spot elevational schematic view of U type tunnel pipelines construction method of installation of the present invention.

Fig. 3 is the end socket device of prefabricated tube section minor details and the connection diagram of anchor ear.

Among the figure: 1 earth anchor, 2 head pulley groups, 2a static pulley, 2b movable pulley, 2 ' auxiliary pulley group, 3 prefabricated tube sections, 3a anchor ear, 3b sled, 3c end socket device, 4 tunnel inclined shafts, 4a tunnel face, 5 light rails, 6 winchs, A working pit.

Embodiment

U type tunnel comprises left lower curved section, gallery section and right lower curved section.As shown in Figure 1 and Figure 2, U type tunnel pipelines construction method of installation of the present invention, comprise the steps: to carry out earlier the piping erection of left lower curved section, carry out the pipeline fortune stringing of gallery section simultaneously, after gallery section fortune stringing finishes, then carry out the piping erection of right lower curved section, connect at gallery Duan Liantou at last.

The piping erection step of lower curved section is as follows: (1) is the omnidistance guiding device of laying light rail as the pipeline downslide in the bottom of tunnel inclined shaft 4; (2) bury the earth anchor 1 that can carry pipeline downslide load underground in 4a the place ahead, tunnel face, and in position fix winch; (3) outside the 4a of tunnel face, excavate working pit A; (4) anchor ear 3a is installed on prefabricated tube section 3, is provided with the rubber protective layer between anchor ear 3a and the prefabricated tube section 3, anchor ear 3a below is fixedly connected with sled 3b, and sled 3b and light rail 5 are suitable and can be along light rail 5 slips; (5) form head pulley group 2 and auxiliary pulley group 2 ' respectively by static pulley 2a, movable pulley 2b and wire rope, the static pulley 2a of two sheave block all is connected on the earth anchor 1, the movable pulley 2b of head pulley group 2 is connected with the anchor ear 3a of prefabricated tube section, and the traction end of head pulley group 2 wire rope is connected to winch 6 and is drawn by winch 6; (6) prefabricated tube section 3 glides along light rail 5 by sled 3b, by winch 6 its gliding speed of control and distances, arrives working pit A place until prefabricated tube section 3 upper end-hole and stops; (7) matched by head pulley group 2, auxiliary pulley group 2 ' and other lifting appliance, continue to install a pipeline, the group of finishing two pipelines at working pit A place is successively mended, welding, flaw detection and repaired mouth and is hindered; (8) pipeline that welding is good continues to slide in inclined shaft, continues to install a pipeline; (9) consider that the appearance rope amount of winch is limited, can not be put into the position by disposable pipeline with hundreds of rice, after the wire rope of winch 6 is discharged into safe length, use auxiliary pulley group 2 ' to draw prefabricated tube section 3 in the tunnel face temporarily, rope traction end with a digging machine traction auxiliary pulley group 2 ' makes prefabricated tube section 3 fixing, after again head pulley group 2 being decontroled withdrawal, again be bundled in the top of prefabricated tube section 3, after regaining, draws by the wire rope of winch the traction end of head pulley group 2 wire rope again, construction is transferred in the welding of carrying out next root pipeline again, so alternately back and forth, dock with the gallery pipeline until the inclined shaft pipeline.

Fig. 3 is the end socket device of prefabricated tube section minor details and the connection diagram of anchor ear.Between each sled by steel part for example Φ 89 seamless steel pipes be welded to connect whole, guarantee whole stability, avoid occurring the generation of the local dislocation of indivedual sleds sliding phenomenon.The end socket device 3c of the minor details lower end mouth of the anchor ear 3a of the minor details of pipeline and pipeline connects into integral body, can prevent to be shifted between pipeline and the anchor ear, avoids sled moving and pipeline glides.End socket device 3c can adopt steel plate, angle steel or other shaped steel welding productions.

This method of construction can be used for the pipeline construction in U type tunnel such as tunnel at the bottom of the river, and in addition to the implementation, the present invention can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.

Claims (3)

1. U type tunnel pipelines construction method of installation, U type tunnel comprises left lower curved section, gallery section and right lower curved section, it is characterized in that, this method of construction comprises the steps: to carry out earlier the piping erection of left lower curved section, carry out the pipeline fortune stringing of gallery section simultaneously, after gallery section fortune stringing finishes, then carry out the piping erection of right lower curved section, connect at gallery Duan Liantou at last;
The piping erection step of lower curved section is as follows: (1) is the omnidistance guiding device of laying light rail as the pipeline downslide in the bottom of tunnel lower curved section; (2) bury the earth anchor that can carry pipeline downslide load underground in the place ahead, tunnel face, and in position fix winch; (3) outside the tunnel face, excavate working pit; (4) anchor ear is installed on prefabricated tube section, anchor ear below is fixedly connected with sled, and described sled and described light rail are suitable and can slide along light rail; (5) form head pulley group and auxiliary pulley group respectively by static pulley, movable pulley and wire rope, the static pulley of two sheave block all is connected on the earth anchor, the movable pulley of head pulley group is connected with the anchor ear of pipeline, and the traction end of head pulley group wire rope is connected to winch and is drawn by winch; (6) prefabricated tube section glides along light rail by sled, controls its gliding speed and distance by winch, arrives the working pit place until the prefabricated tube section upper end-hole and stops; (7) continue to install a pipeline, the group of finishing two pipelines at the working pit place is successively mended, welding, flaw detection and repaired mouth and is hindered; (8) pipeline that welding is good continues to slide in inclined shaft, continues to install a pipeline; (9) after the wire rope of winch is discharged into safe length, use the auxiliary pulley group to draw prefabricated tube section in the tunnel face temporarily, rope traction end with a digging machine traction auxiliary pulley group is fixed prefabricated tube section, after again the head pulley group being decontroled withdrawal, again be bundled in the top of prefabricated tube section, construction is transferred in the welding of carrying out next root pipeline again, and so forth, docks with the gallery pipeline until the inclined shaft pipeline.
2. U type tunnel pipelines construction method of installation according to claim 1 is characterized in that, is welded to connect whole between each sled by steel part, and the end socket device of the minor details lower end mouth of the anchor ear of the minor details of pipeline and pipeline connects into integral body.
3. U type tunnel pipelines construction method of installation according to claim 1 and 2 is characterized in that, is provided with the rubber protective layer between described anchor ear and the described prefabricated tube section.
CN2010101598743A 2010-04-29 2010-04-29 Mounting and construction method of U-shaped tunnel pipelines CN101813214B (en)

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CN101813214B CN101813214B (en) 2011-09-07

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103277582A (en) * 2013-05-15 2013-09-04 中国葛洲坝集团股份有限公司 Method for mounting inclined shaft internal pressure steel tube
CN103437788A (en) * 2013-08-01 2013-12-11 石家庄铁道大学 Method for spanning small-diameter open TBM (Tunnel Boring Machine) trackless backup trolley on lagging jacks
CN103498586A (en) * 2013-09-27 2014-01-08 天津二十冶建设有限公司 Jetting tank inverted installation method
WO2015158079A1 (en) * 2014-04-15 2015-10-22 黄欣 Misalignment prevention apparatus for use in connection and rapid replacement of municipal underground steel pipe
CN105937655A (en) * 2016-05-27 2016-09-14 上海二十冶建设有限公司 Construction method for arranging large-aperture coke gas pipeline through railway culvert
CN106151682A (en) * 2016-07-15 2016-11-23 中国葛洲坝集团机电建设有限公司 The large-scale penstock of high slope installs downward putting device and penstock installation method
CN106939536A (en) * 2017-02-27 2017-07-11 重庆巨能建设(集团)有限公司 A kind of coal mine inclined shaft assembled is laid a railway track construction method
CN107246504A (en) * 2017-08-08 2017-10-13 上海煤气第管线工程有限公司 Underground pipe gallery top hot-water line integrative installation technology method
CN108194137A (en) * 2017-11-22 2018-06-22 中国市政工程中南设计研究总院有限公司 A kind of penstock installation method in the straight tunnel of light section
CN108443580A (en) * 2018-01-23 2018-08-24 上海二十冶建设有限公司 A kind of cliff slope large-scale pipeline mounting device

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DE3204410A1 (en) * 1982-02-09 1983-08-18 Riepl Josef Bau Ag Method and apparatus for producing conduits, pipelines and the like
JPH11324580A (en) * 1998-05-08 1999-11-26 Fukuda Corp Lining pipe jacking method
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KR20040082937A (en) * 2003-03-20 2004-09-30 (주)동양엠티 Method for Digging a Tunnel
CN1766285A (en) * 2004-10-27 2006-05-03 株式会社Ntsenc Main pipe construction method for laying tunnel structure and construction structure therof
CN101092878A (en) * 2006-06-22 2007-12-26 株式会社Ntsenc Main duct construction method laid down tunnel structure article

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204410A1 (en) * 1982-02-09 1983-08-18 Riepl Josef Bau Ag Method and apparatus for producing conduits, pipelines and the like
JPH11324580A (en) * 1998-05-08 1999-11-26 Fukuda Corp Lining pipe jacking method
KR20040082937A (en) * 2003-03-20 2004-09-30 (주)동양엠티 Method for Digging a Tunnel
US20040190995A1 (en) * 2003-03-24 2004-09-30 Komatsu Ltd. Pipelayer
CN1766285A (en) * 2004-10-27 2006-05-03 株式会社Ntsenc Main pipe construction method for laying tunnel structure and construction structure therof
CN101092878A (en) * 2006-06-22 2007-12-26 株式会社Ntsenc Main duct construction method laid down tunnel structure article

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103277582A (en) * 2013-05-15 2013-09-04 中国葛洲坝集团股份有限公司 Method for mounting inclined shaft internal pressure steel tube
CN103437788B (en) * 2013-08-01 2016-01-27 石家庄铁道大学 After minor diameter Open TBM trackless, the method for bow member crossed over by supporting chassis
CN103437788A (en) * 2013-08-01 2013-12-11 石家庄铁道大学 Method for spanning small-diameter open TBM (Tunnel Boring Machine) trackless backup trolley on lagging jacks
CN103498586A (en) * 2013-09-27 2014-01-08 天津二十冶建设有限公司 Jetting tank inverted installation method
CN103498586B (en) * 2013-09-27 2015-12-23 天津二十冶建设有限公司 Winding-up tank upside-down method of hull-section construction
WO2015158079A1 (en) * 2014-04-15 2015-10-22 黄欣 Misalignment prevention apparatus for use in connection and rapid replacement of municipal underground steel pipe
CN105937655B (en) * 2016-05-27 2018-06-26 上海二十冶建设有限公司 A kind of construction method of heavy caliber coke oven gas pipe railroad crossing culvert
CN105937655A (en) * 2016-05-27 2016-09-14 上海二十冶建设有限公司 Construction method for arranging large-aperture coke gas pipeline through railway culvert
CN106151682A (en) * 2016-07-15 2016-11-23 中国葛洲坝集团机电建设有限公司 The large-scale penstock of high slope installs downward putting device and penstock installation method
CN106151682B (en) * 2016-07-15 2018-01-30 中国葛洲坝集团机电建设有限公司 The large-scale penstock installation downward putting device of high slope and penstock installation method
CN106939536A (en) * 2017-02-27 2017-07-11 重庆巨能建设(集团)有限公司 A kind of coal mine inclined shaft assembled is laid a railway track construction method
CN107246504A (en) * 2017-08-08 2017-10-13 上海煤气第管线工程有限公司 Underground pipe gallery top hot-water line integrative installation technology method
CN108194137A (en) * 2017-11-22 2018-06-22 中国市政工程中南设计研究总院有限公司 A kind of penstock installation method in the straight tunnel of light section
CN108443580A (en) * 2018-01-23 2018-08-24 上海二十冶建设有限公司 A kind of cliff slope large-scale pipeline mounting device

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