CN102505945B - Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building - Google Patents
Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building Download PDFInfo
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- CN102505945B CN102505945B CN201110448926.3A CN201110448926A CN102505945B CN 102505945 B CN102505945 B CN 102505945B CN 201110448926 A CN201110448926 A CN 201110448926A CN 102505945 B CN102505945 B CN 102505945B
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- hole
- push
- bench
- cutterhead
- pipe jacking
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- 238000010276 construction Methods 0.000 title claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000002689 soil Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000004162 soil erosion Methods 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 210000000234 capsid Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 241001063191 Elops affinis Species 0.000 description 1
- 235000002756 Erythrina berteroana Nutrition 0.000 description 1
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 244000144985 peep Species 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a construction method for enabling a rectangular pipe jacking machine to enter into a tunnel in an existing building. The construction method is characterized by comprising the following steps: (1) setting up a tunnel-entering receiving buffer platform in the existing building at the tunnel-entering position; (2) setting a hanging point for a cutter head of the pipe jacking machine in the existing building at the tunnel-entering position; (3) chiseling off a portal before the pipe jacking machine enters into the tunnel; (4) adjusting all parameters and enabling the pipe jacking machine to enter into the tunnel; (5) plugging the portal after the rectangular pipe jacking machine enters into the tunnel; (6) detaching the cutter head, a chest plate and internal equipment of the pipe jacking machine, and transporting the cutter, the chest plate and the internal equipment of the pipe jacking machine out of a channel; and (7) leaving a housing of the pipe jacking machine in the channel. The construction method disclosed by the invention has the advantages of smoothly taking an inner core part of the pipe jacking machine out of the existing building and saving investment in construction of a tunnel.
Description
Technical field
The present invention relates to a kind of in built construction thing rectangular pipe jacking machine enter the construction method in hole.
Background technology
Along with the development of urbanization process, be more and more tending towards frequent for the exploitation of urban underground space.The appearance of the technical field of rectangular top pipe, compares circular push pipe and more can improve the utilization rate in space.Rectangular pipe jacking machine, in the time of operation, hangs at beginning well, through starting well to the tunnel piercing between received well, then enters hole from received well, and reclaim on handling subsequently to ground.But along with the increase of Urban Underground construction, some places are subject to the restriction of existing building in the time of construction, push-bench completes after tunnel piercing, received well cannot be set, therefore must in built construction thing, enter hole reclaims, because push-bench is bulky, therefore greatly increase the difficult point of construction.Urgently develop can be in existing building rectangular pipe jacking machine enter the construction method in hole, cannot in existing building, enter to solve the existing rectangular pipe jacking machine of prior art the problem that reclaim in hole.
Summary of the invention
The object of this invention is to provide a kind of push-bench and enter the construction method that reclaim in hole in existing building.The present invention design a kind of in built construction thing rectangular pipe jacking machine enter the construction method in hole, it is characterized in that being formed by the following step: (1) receives buffer platform entering to set up in hole place built construction thing into hole, (2) entering push-bench cutterhead suspension centre is set in hole place built construction thing, (3) before entering hole, push pipe cuts portal, (4) adjust parameters, push-bench enters hole, (5) rectangular pipe jacking machine enters hole, shutoff portal, (6) push-bench cutterhead, plastron and internal unit are dismantled and are transported in passage, and (7) are stayed push-bench housing in passage.It is characterized in that: described step (1) is for having set up in building and receive buffer platform into hole entering hole, to alleviate push-bench soil body impact force producing of caving in while entering hole, this buffer platform is set up with I20b i iron, platform surface is laid a 2cm steel plate, and steel plate and shaped steel frame are linked to be entirety with welding.It is characterized in that: described step (2) is for entering push-bench cutterhead suspension centre is set in hole place built construction thing, push-bench in built construction thing enters above hole place portal, on floor, 4 holes for hoist is set, on the floor of hole for hoist position, open four oval-shaped holes, paving 3.5m*2.5m*0.02m steel plate, on steel plate, keep flat three i iron, steel wire penetrating hole is hung on i iron, to be used for, the push-bench cutterhead entering behind hole is lifted to dismounting.It is characterized in that: described step (3) for the ground that enters portal place, Qian Duijin hole, hole at push-bench within the walls reinforcing bar carry out from top to bottom, cut from inside to outside.And for preventing that compacted soil from pouring in the necessary interception measure that basement is taked.It is characterized in that: described step (4) is adjusted parameters for surveying, push-bench enters in the progradation of hole, moment is observed the variation of top power, enter behind stabilization zone, start to stop the mud jacking of head, and mud jacking position is moved gradually afterwards, entering after reinforcing area, move speed general control 1 ~ 2mm/min left and right, cutterhead and periphery cutter can be cut completely to cement-soil, can add proper amount of clear water or antifriction slurries to soften and the lubricated soil body, control fltting speed at 1 ~ 2 mm/min, earth balance pressure power is that 0.12MPa, the amount of being unearthed are controlled at every joint 44m
3left and right, cutterhead moment of torsion are controlled within 30%.It is characterized in that: described step (5) enter hole, shutoff portal is that rectangular pipe jacking machine enters behind hole, push-bench housing stops jacking when entering Chu Gang hole, hole circle inner edge same plane place, stop location, in the time that push-bench enters hole propelling, push-bench cutterhead has entered in built construction thing,, stop at once advancing when at the Yu Gang hole, housing forward position circle inner edge same plane place of push-bench body, housing and steel hole lap welding are connected into entirety with steel plate, carry out.And the gap of enclosing with hydraulicity slurries filling housing and hole, reduce soil erosion.It is characterized in that: described step (6) for push-bench stable after, remove 2, rear portion conveying worm, after overall pulling down, be pulled to and start in well with the interior flat car of passage, hang foundation ditch; With the Chain block suspension centre that sets in advance, large cutterhead wire rope is pinioned again fasteningly, shed the anterior cap mouth of large cutterhead, prop up plastron with jack, slowly large cutterhead is pushed in buffer platform, after slowly falling, carry in midair; After large cutterhead suspention is firm, remove 4 little cutterheads of residue in batches, 4 little cutterheads are lain against to buffer platform; Gear-box and the motor of removing cutterhead rear portion, be pulled to and started in well by flat car in passage, winches to ground and place; Remove hinged oil cylinder, disengaging oil cylinder, electric driving force cabinet and correction Hydraulic Station, be pulled to and start in well by flat car in passage, winch to ground and place; The push-bench cutterhead and the internal unit that disassemble transport in passage, finally cut off plastron, large and small cutterhead is transported to starting well in order and hangs out.It is characterized in that: described step (7) for by cast-in-place to the empty capsid of push-bench steel concrete and passage become overall.Advantage of the present invention is the core component of push-bench can be taken out smoothly from built building, has saved the investment of tunnel construction.
Brief description of the drawings
Fig. 1 is shelves cob wall construction plan of the present invention, the side schematic view that Fig. 2 is Fig. 1.Fig. 3 is that suspension centre is arranged schematic diagram.Fig. 4 is that rectangular pipe jacking machine enters hole schematic diagram, Fig. 5 ~ Fig. 9 is push-bench cutterhead, plastron and internal unit dismounting schematic diagram.
Below in conjunction with accompanying drawing and construction embodiment, the present invention is made to detailed operation instruction.
Detailed description of the invention
(1) receive buffer platform into hole entering to set up in hole place built construction thing, (2) entering push-bench cutterhead suspension centre is set in hole place built construction thing, (3) before entering hole, push pipe cuts portal, (4) adjust parameters, push-bench enters hole, and (5) rectangular pipe jacking machine enters hole, shutoff portal, (6) push-bench cutterhead, plastron and internal unit are dismantled and are transported in passage, and (7) are stayed push-bench housing in passage.It is characterized in that: described step (1) is for having set up in building and receive buffer platform into hole entering hole, to alleviate push-bench soil body impact force producing of caving in while entering hole, this buffer platform is set up with I20b i iron, platform surface is laid a 2cm steel plate, and steel plate and shaped steel frame are linked to be entirety with welding.It is characterized in that: described step (2) is for entering push-bench cutterhead suspension centre is set in hole place built construction thing, push-bench in built construction thing enters above hole place portal, on floor, 4 holes for hoist is set, on the floor of hole for hoist position, open four oval-shaped holes, paving 3.5m*2.5m*0.02m steel plate, on steel plate, keep flat three i iron, steel wire penetrating hole is hung on i iron, to be used for, the push-bench cutterhead entering behind hole is lifted to dismounting.It is characterized in that: described step (3) for the ground that enters portal place, Qian Duijin hole, hole at push-bench within the walls reinforcing bar carry out cutting from top to bottom.It is characterized in that: described step (4) is adjusted parameters for surveying, push-bench enters in the progradation of hole, moment is observed the variation of top power, enter behind stabilization zone, start to stop the mud jacking of head, and mud jacking position is moved gradually afterwards, entering after reinforcing area, move speed general control 1 ~ 2mm/min left and right, cutterhead and periphery cutter can be cut completely to cement-soil, can add proper amount of clear water or antifriction slurries to soften and the lubricated soil body, control fltting speed at 1 ~ 2 mm/min, earth balance pressure power is that 0.12MPa, the amount of being unearthed are controlled at every joint 44m
3left and right, cutterhead moment of torsion are controlled within 30%.It is characterized in that: described step (5) enter hole, shutoff portal is that rectangular pipe jacking machine enters behind hole, push-bench housing stops jacking when entering Chu Gang hole, hole circle inner edge same plane place, stop location, in the time that push-bench enters hole propelling, push-bench cutterhead has entered in built construction thing,, stop at once advancing when at the Yu Gang hole, housing forward position circle inner edge same plane place of push-bench body, housing and steel hole lap welding are connected into entirety with steel plate, carry out.And the gap of enclosing with hydraulicity slurries filling housing and hole, reduce soil erosion.It is characterized in that: described step (6) for push-bench stable after, remove 2, rear portion conveying worm, after overall pulling down, be pulled to and start in well with the interior flat car of passage, hang foundation ditch; With the Chain block suspension centre that sets in advance, large cutterhead wire rope is pinioned again fasteningly, shed the anterior cap mouth of large cutterhead, prop up plastron with jack, slowly large cutterhead is pushed in buffer platform, after slowly falling, carry in midair; After large cutterhead suspention is firm, remove 4 little cutterheads of residue in batches, 4 little cutterheads are lain against to buffer platform; Gear-box and the motor of removing cutterhead rear portion, be pulled to and started in well by flat car in passage, winches to ground and place; Remove hinged oil cylinder, disengaging oil cylinder, electric driving force cabinet and correction Hydraulic Station, be pulled to and start in well by flat car in passage, winch to ground and place; The push-bench cutterhead and the internal unit that disassemble transport in passage, finally cut off plastron, large and small cutterhead is transported to starting well in order and hangs out.It is characterized in that: described step (7) for by cast-in-place to the empty capsid of push-bench steel concrete and passage become overall.
Wherein be noted that especially:
1, the control of move speed and the amount of being unearthed
Enter the received well soil body at push-bench otch and enter behind stabilization zone, hole, should adjust immediately head attitude, it is paralleled with jacking axis, as far as possible the gaping of joints occurring between push-bench and rear portion tube coupling is kept to minimum.The move speed that simultaneously suitably slows down, strengthens the amount of being unearthed, and reduces gradually earth balance pressure power, to ensure hole place Stability Analysis of Structures and push-bench Plant in good condition.
2, rectangular pipe jacking machine is located after entering hole
Push-bench machete dise knife point is pushed into apart from diaphragm wall 10CM place, stop jacking, and at auspicious bright reception place hole circle external-open peep hole, confirm all right after, continue jacking push-bench, be pushed into circle inner edge same plane place, Yu Gang hole, casing limit and stop jacking, immediately steel plate is welded into an entirety with it, and the gap of enclosing with hydraulicity slurries filling tube coupling and hole, reduce soil erosion.
3, this engineering push-bench, entering behind hole to take " escaping unnoticed " technique, is stayed in passage by push-bench housing, and push-bench cutterhead and internal unit dismounting transport.
(1) after push-bench is stable, remove 2, rear portion conveying worm, after overall pulling down, be pulled to and start in well with flat car in passage, hang foundation ditch.
(2) auspicious bright enter steel concrete frame back portion of hole place four shaped steel of encorbelmenting are set.To encorbelmenting to such an extent that hang Chain block on shaped steel, large cutterhead is pinioned fastening with wire rope, shed the anterior cap mouth of large cutterhead, prop up plastron with jack, slowly large cutterhead is pushed into receiving platform, after slowly falling, carry in midair.Prepare next procedure.
(3) after large cutterhead suspention is firm, remove 4 little cutterheads of residue, dismounting order according to the situation, lies against receiving platform by 4 little cutterheads, prepares next procedure in batches.
(4) gear-box and the motor at dismounting cutterhead rear portion, be pulled to and started in well by flat car in passage, winches to ground and place.
(5) remove hinged oil cylinder, disengaging oil cylinder, electric driving force cabinet and correction Hydraulic Station, be pulled to and start in well by flat car in passage, winch to ground and place.
(6) cut off plastron, large and small cutterhead is transported to starting well in order and hangs out.
(7) remove receiving platform.
(8) equipment conveying such as cutterhead, screw machine of dismounting is left the theatre.
Claims (7)
- One kind in built construction thing rectangular pipe jacking machine enter the construction method in hole, it is characterized in that being formed by the following step: (1) receives buffer platform entering to set up in hole place built construction thing into hole, (2) entering push-bench cutterhead suspension centre is set in hole place built construction thing, (3) before entering hole, push pipe cuts portal, (4) adjust parameters, push-bench enters hole, (5) rectangular pipe jacking machine enters hole, shutoff portal, described step (5) enter hole, shutoff portal is that rectangular pipe jacking machine enters behind hole, in push-bench cutterhead has entered built construction thing, Yu Gang hole, the housing forward position circle inner edge of push-bench body stops at once advancing in the time of same plane place, housing and steel hole lap welding are connected into entirety with steel plate, and the gap of enclosing with hydraulicity slurries filling housing and hole, reduce soil erosion, (6) push-bench cutterhead, plastron and internal unit dismounting also transport in passage, (7) push-bench housing is stayed in passage.
- By claimed in claim 1 a kind of in built construction thing rectangular pipe jacking machine enter the construction method in hole, it is characterized in that: described step (1) is for receiving buffer platform entering to set up in hole place built construction thing into hole, to alleviate push-bench soil body impact force producing of caving in while entering hole, this buffer platform is set up with I20b i iron, platform surface is laid a 2cm steel plate, and steel plate and shaped steel frame are linked to be entirety with welding.
- By claimed in claim 1 a kind of in built construction thing rectangular pipe jacking machine enter the construction method in hole, it is characterized in that: described step (2) is for entering push-bench cutterhead suspension centre is set in hole place built construction thing, push-bench in built construction thing enters above hole place portal, on floor, 4 holes for hoist is set, on the floor of hole for hoist position, open four oval-shaped holes, paving 3.5m*2.5m*0.02m steel plate, on steel plate, keep flat three i iron, steel wire penetrating hole is hung on i iron, to be used for, the push-bench cutterhead entering behind hole is lifted to dismounting.
- By claimed in claim 1 a kind of in built construction thing rectangular pipe jacking machine enter the construction method in hole, it is characterized in that: described step (3) for the ground that enters portal place, Qian Duijin hole, hole at push-bench within the walls reinforcing bar carry out from inside to outside simultaneously cutting top to bottm, and for preventing that compacted soil from pouring in the necessary interception measure that basement is taked.
- By claimed in claim 1 a kind of in built construction thing rectangular pipe jacking machine enter the construction method in hole, it is characterized in that: described step (4) is for adjusting parameters, push-bench enters in the progradation of hole, moment is observed the variation of top power, enter behind stabilization zone, progressively stop the mud jacking of head, and mud jacking position is moved gradually afterwards, entering after reinforcing area, cutterhead and periphery cutter can be cut completely to cement-soil, and add proper amount of clear water or antifriction slurries to soften and the lubricated soil body, control fltting speed at 1～2mm/min, earth balance pressure power is 0.12MPa, unearthed amount is controlled at every joint 44m 3left and right, cutterhead moment of torsion is controlled within 30%.
- By claimed in claim 1 a kind of in built construction thing rectangular pipe jacking machine enter the construction method in hole, it is characterized in that: described step (6) for push-bench stable after, remove 2, rear portion conveying worm, after overall pulling down, be pulled to and start in well with flat car in passage, hang foundation ditch; With the Chain block suspension centre that sets in advance, large cutterhead wire rope is pinioned again fasteningly, shed the anterior cap mouth of large cutterhead, prop up plastron with jack, slowly large cutterhead is pushed in buffer platform, after slowly falling, carry in midair; After large cutterhead suspention is firm, remove 4 little cutterheads of residue in batches, 4 little cutterheads are lain against to buffer platform; Gear-box and the motor of removing cutterhead rear portion, be pulled to and started in well by flat car in passage, winches to ground and place; Remove hinged oil cylinder, disengaging oil cylinder, electric driving force cabinet and correction Hydraulic Station, be pulled to and start in well by flat car in passage, winch to ground and place; Finally cut off plastron, large and small cutterhead is transported to starting well in order and hangs out.
- By claimed in claim 1 a kind of in built construction thing rectangular pipe jacking machine enter the construction method in hole, it is characterized in that: described step (7) for by cast-in-place to the empty capsid of push-bench steel concrete and passage become overall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110448926.3A CN102505945B (en) | 2011-12-29 | 2011-12-29 | Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110448926.3A CN102505945B (en) | 2011-12-29 | 2011-12-29 | Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building |
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| Publication Number | Publication Date |
|---|---|
| CN102505945A CN102505945A (en) | 2012-06-20 |
| CN102505945B true CN102505945B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110448926.3A Expired - Fee Related CN102505945B (en) | 2011-12-29 | 2011-12-29 | Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building |
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| CN (1) | CN102505945B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108035730A (en) * | 2017-11-10 | 2018-05-15 | 煤科集团沈阳研究院有限公司 | A kind of long range coal mine roadway push pipe driving method |
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| CN110173272B (en) * | 2019-05-26 | 2021-05-28 | 中国建筑第六工程局有限公司 | Method for receiving subway station access channel in rectangular pipe jacking machine construction operation |
| CN110439590A (en) * | 2019-08-06 | 2019-11-12 | 中铁十四局集团有限公司 | Method for tunnel construction |
| CN111075474B (en) * | 2020-01-08 | 2021-02-02 | 中铁十一局集团城市轨道工程有限公司 | Rectangular pipe jacking construction method for subway station access and exit channel |
| CN112610233B (en) * | 2020-11-27 | 2023-06-13 | 中铁十五局集团有限公司 | Rectangular jacking pipe receiving construction method of' golden cicada shelling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100538398B1 (en) * | 2002-11-29 | 2005-12-22 | 건양씨엔이 (주) | The method of construction (KY-5 Pipejacking and propulsion method) and apparatus for propulsion based on soft and weak layer soil |
| KR20030045695A (en) * | 2003-03-20 | 2003-06-11 | 성 봉 위 | Method for Digging a Tunnel |
| JP3978746B2 (en) * | 2003-03-31 | 2007-09-19 | 堤 郁夫 | Tube installation method |
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| FR2635799A1 (en) * | 1988-08-26 | 1990-03-02 | Montcocol | Method and device for positioning underground ducts. |
| RU2209978C1 (en) * | 2002-11-15 | 2003-08-10 | Общество с ограниченной ответственностью "Трансстройтоннель-99" | Method of tunnel construction and device for method embodiment |
| CN101749021A (en) * | 2008-12-18 | 2010-06-23 | 上海市机械施工有限公司 | The oblique method of reseptance that enters in the narrow receiving well of push-bench during a kind of underground jacking construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108035730A (en) * | 2017-11-10 | 2018-05-15 | 煤科集团沈阳研究院有限公司 | A kind of long range coal mine roadway push pipe driving method |
| CN108035730B (en) * | 2017-11-10 | 2020-04-28 | 煤科集团沈阳研究院有限公司 | Long-distance coal mine roadway pipe jacking tunneling method |
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| CN102505945A (en) | 2012-06-20 |
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Address after: 201802 Jiading District Shunda Road, Shanghai, No. 615 Applicant after: SHANGHAI MECHANIZED CONSTRUCTION GROUP Co.,Ltd. Address before: 201802 Jiading District Shunda Road, Shanghai, No. 615 Applicant before: SHANGHAI MECHANIZED CONSTRUCTION Co.,Ltd. |
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