CN105672072A - Main track traffic-keeping method used during construction period of highway reconstruction and extension - Google Patents
Main track traffic-keeping method used during construction period of highway reconstruction and extension Download PDFInfo
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- CN105672072A CN105672072A CN201610106511.0A CN201610106511A CN105672072A CN 105672072 A CN105672072 A CN 105672072A CN 201610106511 A CN201610106511 A CN 201610106511A CN 105672072 A CN105672072 A CN 105672072A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
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Abstract
The invention discloses a main track traffic-keeping method used during the construction period of highway reconstruction and extension. According to the method, two temporary openings are successively formed in each segment of median strip; a highway to be reconstructed and extended is divided into construction areas A and construction areas B in a long and short alternate mode; after one construction area A is constructed to a lower layer under the road surface first, vehicles run in the corresponding construction area B through the temporary openings of the median strip; and the positions of the passing temporary openings are changed according to the construction progress, so that working faces are created for alternate construction of the construction areas A and the construction areas B, and whole-time two-way four-lane traffic-keeping is realized. By means of the method, the engineering sense is clear, and operation is easy. The method can be used for two-way four-lane traffic-keeping of a main track during the construction period when a two-way four-lane highway is reconstructed and extended into eight two-way lanes or more.
Description
Technical field
The present invention relates to a kind of highway extension project construction time main line road and protect circulation method, be specially adapted to original two-way 4 track high speed reorganization and expansion and become the guarantor in two-way 4 tracks of main line of two-way 8 track above motorway construction periods to lead to.
Background technology
The nineties in last century is to the beginning of this century, the motorway that China builds is two-way 4 tracks mostly, along with the development of national economy and the raising of living standards of the people, wagon flow amount on motorway significantly promotes, causing its service level to reduce gradually, two-way 4 track reorganization and expansion become that the engineering in even two-way 10 tracks, two-way 8 tracks is domestic has done some. The guarantor of reorganization and expansion construction period is logical is individual very stubborn problem, from the viewpoint of improve construction speed, guarantee construction safety etc., it is the most reliable for closing the construction of existing high speed tunneling boring; But collateral security motorway provides approach, the normal operation angle that do not affect great urban economy body easily to consider for people go on a journey, in reorganization and expansion construction period, not obvious reduction service level but to be kept motorway unobstructed be required; In addition, for motorway unit of operation, close traffic, stops charge, and diversion high-speed highway administration personnel are almost unacceptable.
In conventional highway extension project project, owing to protecting logical scheme, not there is operability, the logical scheme of guarantor predetermined at the beginning of construction is not much implemented, have to take long current apart from two-way 2 tracks, force to shunt the even measure such as sectional closure construction, such as Beijing-to-Shijiazhuang high speed etc., seriously have impact on the traffic that the driving safety of construction period is connected between city with construction safety and motorway. Utilize former median strip opening or set up the interim opening in median strip that to realize that left and right width is alternately open to traffic be conventional scheme, if arrange 1 or 2 interim openings in median strip, all the time wide problem is spelled in old road Disease Processing and the both sides that cannot solve interim opening near zone when left and right width is alternately open to traffic, in order to handle this section of region well, paving builds interim sidewalk mostly, vehicle is slowly travelled by sidewalk, before and after interim open area, distance is shorter in addition, is also unfavorable for ensureing construction quality and construction safety.
Therefore, how rationally to arrange the guarantor of construction time to lead to, accomplish not shunt as far as possible, do not close, how to avoid the construction dead angle of median strip opening near zone, keep main line left and right width to be open to traffic or the acting in agreement of closure construction, become the technical problem that this area is urgently to be resolved hurrily.
Summary of the invention
Main line 4 track of two-way 8 track construction periods is become to protect topic of corresponding in order to solve two-way 4 track highway extension projects, reducing reorganization and expansion construction process on the reduction of freeway service level and on the impact that operation is charged at a high speed, the present invention provides a kind of highway extension project construction time main line and protects circulation method.
The technical solution adopted in the present invention is:
A kind of highway extension project construction time main line protects circulation method, comprises the steps:
Step one: carry out Work sectors division to track and whereabouts track to what be positioned at both sides, median strip on motorway, after division completes, come to the Work sectors in track and whereabouts track all in A width, the alternately appearance of B width, and come to the A width in track just to the B width in whereabouts track, come to the B width in track just to the A width in whereabouts track, wherein, A width is the general designation of the width that two-way 4 tracks are open to traffic in advance, and B width is the general designation of a width of closure construction stage by stage in advance;
Step 2: original next to track and whereabouts track normal pass, fills to the sub-surface in track and both sides, whereabouts track original, widens subgrade construction district, and arrange interim safe construction nameplate in the front of construction section;
Step 3: original next to track and whereabouts track normal pass, the hard curb of A width is excavated, after having excavated, A width lay outside pupil portion sub-surface to cutting optimal, in A width, upper layer wouldn't construct, afterwards, arrange in the middle of A width road surface and isolate anti-collision facility temporarily, delimiting two-way four tracks temporarily, also just say, each section of A width is open to traffic and turns into interim two-way four tracks from original two-way traffic in the same way;
Step 4: according to the driving demand protecting be open to traffic speed and number of track-lines, on median strip, some interim open areas are established in choosing, each interim open area has been offered 2 interim openings all continuously, the interim opening on whole bar median strip from starting point section to terminal section successively with an opening, No. two openings and No. two openings, an opening alternately numbering;
Step 5: pass through in two-way four tracks of A on each track, vehicle sails opposite one width into by the interim opening in median strip, carry out the driving of single width subtend, and the position of the interim opening passed through according to construction speed conversion, alternately construct for A width, B width and create working face.
In described step 5, for A width, B width replace the process creating working face of constructing and specifically comprise the steps:
Step 1: vehicle realizes passing through across width by interim opening on median strip, respective stretch B width segmentation sealing treatment old road disease tunneling boring are constructed to upper layer, and in this process, vehicle pass-through divides two stages:
In 1st stage, vehicle realizes passing through across width via an opening, and between B width process adjacent two openings, the old road disease of section also spreads and builds to upper layer;
In 2nd stage, vehicle realizes passing through across width via No. two openings, and B width processes the old road disease of section between an opening and No. two openings in same interim open area and spreads and build to upper layer;
Step 2: delimit two-way four tracks temporarily on the B width road surface that the paving in each track is built, vehicle realizes passing through across width by the interim opening on median strip, respective stretch A width segmentation sealing treatment old road disease tunneling boring are constructed to upper layer, in this process, vehicle pass-through divides two stages:
In 1st stage, vehicle realizes passing through across width via an opening, and between A width process adjacent two openings, the old road disease of section also spreads and builds to upper layer;
In 2nd stage, vehicle realizes passing through across width via No. two openings, and A width processes the old road disease of section between an opening and No. two openings in same interim open area and spreads and build to upper layer;
In described step one, carry out Work sectors A width, the B width length to track and whereabouts track to replace, thus the situation that on same track, long Work sectors alternately connects with short Work sectors has occurred, wherein, come corresponding with the short Work sectors on whereabouts track to the long Work sectors on track, come corresponding with the long Work sectors on whereabouts track to the short Work sectors on track.
Article one, the length difference of the long Work sectors on track and the short Work sectors on the subtend track that corresponds is not less than the length sum of two interim open areas at this long Work sectors and/or these short Work sectors two ends.
In described step 4, the length scale of each interim open area is 650～1500m.
In described step 4, the distance value between adjacent two interim open areas is 10～12km.
In described step 4, the length of single interim opening to be met the driving requirement protecting be open to traffic speed and number of track-lines, and for motorway, the length of each interim opening is not less than 200m.
In described step 4, being maintained a certain distance between adjacent two the interim openings in same interim open area, the size of this distance value is 150～500m.
In described step 4, the length of each interim opening is 250m.
Owing to have employed technique scheme, the useful effect acquired by the present invention is:
1, the present invention is not when shunting, when not closing, and can effectively ensure that the vehicle of motorway construction time is protected logical, and ensure that main line left and right width be open to traffic and the step constructed consistent, avoid the construction dead angle of median strip opening near zone.
2, engineering significance of the present invention is clear and definite, simple to operate, can be used for two-way 4 track highway extension projects and becomes the guarantor in two-way 4 tracks of main line of two-way 8 track above construction periods to lead to.
Accompanying drawing explanation
Fig. 1 is the view at motorway construction initial stage.
Fig. 2 is original next current to track and whereabouts track, and the hard curb of A width is excavated, the motorway construction view of A width laying of roadway to cutting optimal, when B width is selectively constructed.
Fig. 3 is that vehicle is current across A two-way four tracks via an opening, and between B width process adjacent two openings, the old road disease of section also spreads the motorway construction view built to during upper layer.
Fig. 4 is a kind of schematic layout pattern of two interim openings in same interim open area.
Fig. 5 is that vehicle is current across A two-way four tracks via No. two openings, and in the same interim open area of B width process, the old road disease of an opening and No. two cutout portion also spreads the motorway construction view built to during upper layer.
Fig. 6 is that vehicle is current across B two-way four tracks via an opening, and A width processes old road disease and widens section, constructs to motorway construction view during road surface.
Fig. 7 is that vehicle is current across B two-way four tracks via No. two openings, and A width processes old road disease and widens section, constructs to motorway construction view during road surface.
Fig. 8 shows construction period vehicle across the current trend of width, and wherein the direction of arrow represents vehicle movement direction.
Wherein, 1, roadbed to be widened 2, hard curb 3, come to section 10, opening between track 4, median strip 5, whereabouts track 6, A 7, B 8, No. two openings 9, opening and No. two openings.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail, but the present invention is not limited to these embodiments.
As shown in Figures 1 to 8, a kind of highway extension project construction time main line protects circulation method, this a series of process that the method comprises the determination of distance between the determination of the interim open amount in median strip, the selection of interim aperture position, interim opening, the conversion of interim opening is open to traffic and left and right width is alternately constructed, specifically comprises the steps:
Step one: carry out Work sectors division to track 3 and whereabouts track 5 to what be positioned at both sides, median strip on motorway, for convenience of description, Work sectors carries out difference with A 6 and B 7 and indicates, after division completes, carry out the Work sectors to track 3 and whereabouts track 5 all alternately to occur in A 6, B 7, and come to A 6 of track 3 just to B 7 of whereabouts track 5, come to B 7 of track 3 just to A 6 of whereabouts track 5, wherein, A 6 is the general designation of the width that two-way 4 tracks are open to traffic in advance, and B 7 is the general designation of a width of closure construction stage by stage in advance;Carry out Work sectors A 6, B 7 length to track 3 and whereabouts track 5 to replace, that is when carrying out Work sectors and divide, the length of A 6 and B 7 is inconsistent, thus the situation that on same track, long Work sectors alternately connects with short Work sectors has occurred, wherein, come corresponding with the short Work sectors on whereabouts track 5 to the long Work sectors on track 3, come corresponding with the long Work sectors on whereabouts track 5 to the short Work sectors on track 3;
Step 2: original next to track 3 and whereabouts track 5 normal pass, roadbed 1 to be widened all is there is to the outside in track 3 and whereabouts track 5, fill to the sub-surface in track 3 and both sides, whereabouts track 5 original, widen subgrade construction district, and interim safe construction nameplate is set in the front of construction section;
Step 3: original next to track 3 and whereabouts track 5 normal pass, the hard curb 2 of A 6 is excavated, after having excavated, A 6 lay outside pupil portion sub-surface to cutting optimal, in A 6, upper layer wouldn't construct, afterwards, arrange in the middle of A 6 road surfaces and isolate anti-collision facility temporarily, delimiting two-way four tracks temporarily, also just say, each section A 6 is open to traffic and turns into interim two-way four tracks from original two-way traffic in the same way;
Step 4: according to the driving demand protecting be open to traffic speed and number of track-lines, on median strip 4, some interim open areas are established in choosing, article one, the length difference of the long Work sectors on track and the short Work sectors on the subtend track that corresponds is not less than the length sum of two interim open areas at this long Work sectors and/or these short Work sectors two ends, and the length scale of each interim open area is 650m or 1000m; For meeting single width Work sectors length requirement and ensure the requirement of construction speed, the distance value between adjacent two interim open areas is 10km or 12km;
Offering 2 interim openings on each interim open area continuously, the interim opening on whole bar median strip 4 is alternately numbered with an opening 10, No. two openings 8 and No. two openings 8, opening 10 to terminal section successively from starting point section; The length of single interim opening to be met the driving requirement protecting be open to traffic speed and number of track-lines, and for motorway, the length of each interim opening is not less than 200m, it is preferable that the length of each interim opening is 250m; Being maintained a certain distance between adjacent two interim openings in same interim open area, the size of this distance value is 150m or 300m, to solve conflicting of interim opening and Material bridge and overpass position;
Step 5: pass through in A 6 two-way four tracks on each track, vehicle realizes passing through across width by the interim opening on median strip 4, respective stretch B 7 segmentation sealing treatment old road diseases tunneling boring are constructed to upper layer, and in this process, vehicle pass-through divides two stages:
First stage, vehicle realizes passing through across width via an opening 10, and between B 7 process adjacent two openings 10, the old road disease of section also spreads and builds to upper layer;
Subordinate phase, vehicle realizes passing through across width via No. two openings 8, processes the old road disease of section 9 between an opening and No. two openings in same interim open area for B 7 and spreads and build to upper layer;
Step 6: delimit two-way four tracks temporarily on B 7 road surfaces that the paving in each track is built, vehicle realizes passing through across width by the interim opening on median strip 4, respective stretch A 6 segmentation sealing treatment old road diseases tunneling boring are constructed to upper layer, in this process, vehicle pass-through divides two stages:
In 1st stage, vehicle realizes passing through across width via an opening 10, and between A 6 process adjacent two openings, the old road disease of section 9 also spreads and builds to upper layer;
In 2nd stage, vehicle realizes passing through across width via No. two openings 8, processes the old road disease of section 9 between an opening and No. two openings in same interim open area for A 6 and spreads and build to upper layer.
The part do not addressed in the present invention adopts or uses for reference prior art and can realize.
Specific embodiment described herein is only the spiritual example explanation to the present invention. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but can't deviate the spirit of the present invention or surmount the scope that appended claims defines.
Claims (9)
1. a highway extension project construction time main line protects circulation method, it is characterised in that, comprise the steps:
Step one: carry out Work sectors division to track and whereabouts track to what be positioned at both sides, median strip on motorway, after division completes, come to the Work sectors in track and whereabouts track all in A width, the alternately appearance of B width, and come to the A width in track just to the B width in whereabouts track, come to the B width in track just to the A width in whereabouts track, wherein, A width is the general designation of the width that two-way 4 tracks are open to traffic in advance, and B width is the general designation of a width of closure construction stage by stage in advance;
Step 2: original next to track and whereabouts track normal pass, fills to the sub-surface in track and both sides, whereabouts track original, widens subgrade construction district, and arrange interim safe construction nameplate in the front of construction section;
Step 3: original next to track and whereabouts track normal pass, the hard curb of A width is excavated, after having excavated, A width lay outside pupil portion sub-surface to cutting optimal, in A width, upper layer wouldn't construct, afterwards, arrange in the middle of A width road surface and isolate anti-collision facility temporarily, delimiting two-way four tracks temporarily, also just say, each section of A width is open to traffic and turns into interim two-way four tracks from original two-way traffic in the same way;
Step 4: according to the driving demand protecting be open to traffic speed and number of track-lines, on median strip, some interim open areas are established in choosing, each interim open area has been offered 2 interim openings all continuously, the interim opening on whole bar median strip from starting point section to terminal section successively with an opening, No. two openings and No. two openings, an opening alternately numbering;
Step 5: pass through in two-way four tracks of A on each track, vehicle sails opposite one width into by the interim opening in median strip, carry out the driving of single width subtend, and the position of the interim opening passed through according to construction speed conversion, alternately construct for A width, B width and create working face.
2. a kind of highway extension project construction time main line according to claim 1 protects circulation method, it is characterised in that, in described step 5, for A width, B width replace the process creating working face of constructing and specifically comprise the steps:
Step 1: vehicle realizes passing through across width by interim opening on median strip, respective stretch B width segmentation sealing treatment old road disease tunneling boring are constructed to upper layer, and in this process, vehicle pass-through divides two stages:
In 1st stage, vehicle realizes passing through across width via an opening, and between B width process adjacent two openings, the old road disease of section also spreads and builds to upper layer;
In 2nd stage, vehicle realizes passing through across width via No. two openings, and B width processes the old road disease of section between an opening and No. two openings in same interim open area and spreads and build to upper layer;
Step 2: delimit two-way four tracks temporarily on the B width road surface that the paving in each track is built, vehicle realizes passing through across width by the interim opening on median strip, respective stretch A width segmentation sealing treatment old road disease tunneling boring are constructed to upper layer, in this process, vehicle pass-through divides two stages:
In 1st stage, vehicle realizes passing through across width via an opening, and between A width process adjacent two openings, the old road disease of section also spreads and builds to upper layer;
In 2nd stage, vehicle realizes passing through across width via No. two openings, and A width processes the old road disease of section between an opening and No. two openings in same interim open area and spreads and build to upper layer.
3. a kind of highway extension project construction time main line according to claim 1 protects circulation method, it is characterized in that, in described step one, carry out Work sectors A width, the B width length to track and whereabouts track to replace, thus the situation that on same track, long Work sectors alternately connects with short Work sectors has occurred, wherein, come corresponding with the short Work sectors on whereabouts track to the long Work sectors on track, come corresponding with the long Work sectors on whereabouts track to the short Work sectors on track.
4. a kind of highway extension project construction time main line according to claim 3 protects circulation method, it is characterized in that, the length difference of the long Work sectors on a track and the short Work sectors on the subtend track that corresponds is not less than the length sum of two interim open areas at this long Work sectors and/or these short Work sectors two ends.
5. a kind of highway extension project construction time main line according to Claims 1-4 arbitrary claim protects circulation method, it is characterised in that, in described step 4, the length scale of each interim open area is 650～1000m.
6. a kind of highway extension project construction time main line according to Claims 1-4 arbitrary claim protects circulation method, it is characterised in that, in described step 4, the distance value between adjacent two interim open areas is 10～12km.
7. a kind of highway extension project construction time main line according to Claims 1-4 arbitrary claim protects circulation method, it is characterized in that, in described step 4, the length of single interim opening to be met the driving requirement protecting be open to traffic speed and number of track-lines, for two-way four track motorways, the length of each interim opening is not less than 200m.
8. a kind of highway extension project construction time main line according to Claims 1-4 arbitrary claim protects circulation method, it is characterized in that, in described step 4, being maintained a certain distance between adjacent two interim openings in same interim open area, the size of this distance value is 150～500m.
9. a kind of highway extension project construction time main line according to claim 7 protects circulation method, it is characterised in that, in described step 4, the length of each interim opening is 250m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610106511.0A CN105672072A (en) | 2016-02-26 | 2016-02-26 | Main track traffic-keeping method used during construction period of highway reconstruction and extension |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610106511.0A CN105672072A (en) | 2016-02-26 | 2016-02-26 | Main track traffic-keeping method used during construction period of highway reconstruction and extension |
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| CN105672072A true CN105672072A (en) | 2016-06-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385523A (en) * | 2018-01-25 | 2018-08-10 | 中交第二航务工程局有限公司 | On across the existing noiseless construction method of interchange ramp bridge |
| CN112746537A (en) * | 2020-12-29 | 2021-05-04 | 哈尔滨工业大学 | Method for setting inner and outer opening sections of composite section highway |
| CN113389150A (en) * | 2021-07-22 | 2021-09-14 | 山东省交通规划设计院集团有限公司 | Highway reconstruction and extension construction method for expanded bridge road section |
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| WO2007028307A1 (en) * | 2005-09-09 | 2007-03-15 | Guo Liang Dong | An urban road system for vehicle without conflicting point |
| CN203212971U (en) * | 2013-04-19 | 2013-09-25 | 中交第一公路勘察设计研究院有限公司 | Thermal probe insulation board type expressway subgrade widening structure on soil-containing ice layer segment |
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| CN112746537A (en) * | 2020-12-29 | 2021-05-04 | 哈尔滨工业大学 | Method for setting inner and outer opening sections of composite section highway |
| CN113389150A (en) * | 2021-07-22 | 2021-09-14 | 山东省交通规划设计院集团有限公司 | Highway reconstruction and extension construction method for expanded bridge road section |
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Application publication date: 20160615 |