CN103628918A - Construction method of road tunnel lighting engineering - Google Patents
Construction method of road tunnel lighting engineering Download PDFInfo
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- CN103628918A CN103628918A CN201310654520.XA CN201310654520A CN103628918A CN 103628918 A CN103628918 A CN 103628918A CN 201310654520 A CN201310654520 A CN 201310654520A CN 103628918 A CN103628918 A CN 103628918A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000004080 punching Methods 0.000 claims abstract description 4
- 238000005286 illumination Methods 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 12
- 238000013461 design Methods 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 210000001217 buttock Anatomy 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the field of tunnel lighting, and particularly discloses an efficient and simple construction method provided for road tunnel lighting engineering construction. The work mainly comprises three groups, wherein the first group of work comprises positioning and scribing; the second group of work comprises punching; the third group of work comprises installation; the construction mainly comprises five steps: firstly, beginning to perform the first group of work from a tunnel entrance; secondly, propelling towards the interior of a tunnel, and performing the first group of work and the second group of work at the same time, thirdly, propelling towards the interior of the tunnel, and performing the first group of work, the second group of work and the third group of work at the same time; fourthly, laying out cables on cable supporting systems and cable chute brackets, and installing lamps on the cable supporting systems; fifthly, testing and adjusting. The invention aims at providing the constriction method of the road tunnel lighting engineering, which improves the construction efficiently.
Description
Technical field
The present invention relates to highway tunnel illumination field, particularly a kind of highway tunnel illumination engineering construction method.
Background technology
highway tunnel illumination, the illumination in tunnel of particularly growing up is an important component part in highway Mechatronic Systems, it is mainly comprised of power supply, control section, cable, crane span structure, light fixture etc., when reaching tunnel illumination construction requirement, designing requirement, construction period, speed of application are the problems that construction party is worried most, in prior art, efficiency of construction is on the low side.
Summary of the invention
The problem existing for prior art, goal of the invention of the present invention is to provide a kind of highway tunnel illumination engineering construction method that improves efficiency of construction.
To achieve these goals, the technical solution used in the present invention is:
A highway tunnel illumination engineering construction method, its work is divided into three groups, and first group of work is:
Find out the difference of road surface, tunnel wall, vault, do reference line, take tunnel, road surface, vault reference line as basis, utilize tunnel portal, center, road surface, vault center, the crane span structure base of vault, cable trench side, cable trench bracket installation site are positioned and are rule;
Second group of work is:
According to the location of first group of work, crane span structure base is carried out in line, cable trench bracket is installed required punching work;
The 3rd group of work is:
Take the hole of second group of work setting carries out the installation of crane span structure base, arm, trailing arm, cable trench bracket, erection bridge on mounted arm, trailing arm as basis;
Construction sequence:
Step 1, with tunnel portal, start to carry out first group of work,
Step 2, in tunnel, advance, carry out first group of work, second group of work simultaneously,
Step 3, in tunnel, advance, carry out first group of work, second group of work, the 3rd group of work simultaneously,
Step 4, on crane span structure, cable trench bracket mounted lamp, arrange cable,
Step 5, test, adjustment;
Described three groups of work are independently carried out, every group of work record independent statistics; The method, in Specific construction, along with the carrying out of duration, due to the independent statistics that records of every group of work, makes every group of work have a process of self optimizing, along with the efficiency of every group of work of propelling of duration can uprise.
As preferred version of the present invention, described first group of work also comprises: examine light fixture, bridge formation and other equipment, main material quantity.
As preferred version of the present invention, in described first group of work, during the location of vault be the point of take on the road surface of its vertical same position as basis, by messenger wire, hang down to drawing to tunnel and push up.
As preferred version of the present invention, in the 3rd group of work, during erection bridge, straightway is used the long crane span structure of 4000mm, and bend section is used the long crane span structure of 2000mm.
As preferred version of the present invention, described arm calculates institute installation site far from the height on road surface before installing, and the length of installed arm is controlled, after guaranteeing that lamp installation completes, more than the height of light fixture bottom road pavement remains on 5200mm.
The invention has the beneficial effects as follows:
Improve efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the basic flow sheet that in the present invention, tunnel illumination is installed.
The specific embodiment
Below in conjunction with embodiment and the specific embodiment, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realizing based on summary of the invention of the present invention all belong to scope of the present invention.
embodiment 1
In Jilin Province's counterpart is helped build bealock mountain, engineering Sichuan Province electrical and mechanical engineering of tunnel, used the method, designed the engineering completing for 5 months, shortened to 3 wheat harvesting periods and complete.
Concrete, work is divided into three groups, and first group of work is:
Before formal construction, need the requirement according to design document, planeness and overall structure for the road surface in tunnel, tunnel wall, vault, find out fluctuating, difference, common ground and the difference of the different sections of highway road surface of causing due to civil engineering, tunnel wall, vault, and calculate, find out the difference of every and identify clear, for reference line is done in the line of lower one-step site;
Take tunnel, road surface, vault reference line as basis, tunnel portal, center, road surface, vault center, cable trench side are positioned and are rule, and examine light fixture, bridge formation and other equipment, main material quantity;
During location, take tunnel portal as reference point, because tunnel portal is vehicle, enter first point in tunnel, the whole visual effect of the determining positions engineering of light fixture, the location of tunnel portal also directly has influence on the installation effect of whole tunnel lamp;
During location, first find out center, road surface and vault central point, the road surface mid point of take is fixed a point to lamp base centre-height as 5500-5600mm, lamp face base is generally more than 5200mm by designing requirement to the height on ground, guarantee that lamp base is to the safe space between motorcars 5200mm on road surface, due to the more than row of top crane span structure, so need be to except vault location of the core, also need the both sides location equidistant with it, it is the anchor point of crane span structure base, light fixture should be as the criterion not affect the illuminance of light fixture in the distance of middle crane span structure, can reduce like this light fixture buttock line length, to reduce costs, so when locating the anchor point of crane span structure base with road surface center line to both sides, distance can be determined by 350-450mm, from road surface center line to both sides, divide equidistant road surface fixed point, and measure the height 5500-5600mm of light fixture to ground with ground point, water pipe is grasped flat to the point of making again, after the fixed point in observation both sides, tunnel becomes line, whether to ground, be parallel, as parallel, while ruling, can this point be benchmark,
Some line can adopt the form of unwrapping wire when inconvenient, according to the point of above location and the vertical height 5500-5600mm to ground, with fixed benchmark unwrapping wire, can determine unwrapping wire length according to the degree of crook in tunnel, general tunnel bending section above, can the long 4000-6000mm of unwrapping wire according to reference point during unwrapping wire, put at least two, one is light fixture unwrapping wire simultaneously, and one is crane span structure unwrapping wire, can make so the crooked spacing of two lines of light fixture, crane span structure equate, vision is good; Straightway can be put 10000-15000mm, can not be long, because unwrapping wire is softer, when long, lines easily have a degree of naturally drooping, easily produce deviation, in construction, fixed point generally be take center line as benchmark before, but when this engineering Specific construction, is that limit with lamp base and crane span structure base is as the criterion, thus below also noting when unwrapping wire some:
1) when unwrapping wire, light fixture is as the criterion with base top, and crane span structure is as the criterion below with base.
2) bend place must light fixture, crane span structure both sides put a little in same point, must not put point location at dissimilarity.The line using is the different line of tunnel wall color preferably, and slightly thick a bit such people holds and pinpoints the problems while checking below, to correct in time.
3) while finding that there is tunnel wall out-of-flatness when unwrapping wire, want timely record, to order goods or add at light fixture, crane span structure base, according to field condition is corresponding, lengthens or shorten arm man-hour, so that the adjustment in later stage;
Due to moulding of cable trench, to the location of cable trench bracket installation site in cable trench according to design scheme directly by mark after apparatus measures.
Second group of work is:
According to the location of first group of work, crane span structure base is carried out in line, cable trench bracket is installed required punching work, first be crane span structure base location, according to illumination of highway tunnel engineering light fixture, the standard of crane span structure mounting design, light fixture is generally lamp of 1.1-1.2m at entrance, lamp of changeover portion 4-6m, basic segment 8-12m mono-lamp, changeover portion and the entrance of outlet section and outlet section are basic identical, with tape measure, putting a 8-12m on the ground then pushes up with vertical drawing to tunnel of messenger wire, if bend can suitably be put the distance of interior curved light fixture little according to crooked degree, the distance of excurvation is suitably amplified, can guarantee light fixture like this, crane span structure is symmetrical, total tune, attractive in appearance, determined behind lamp installation position, according to designing requirement, above the crane span structure of lamp installation, punched in its crane span structure floor installation position.
The 3rd group of work is:
Take the hole of second group of work setting carries out the installation of crane span structure base, arm, trailing arm, cable trench bracket, erection bridge on mounted arm, trailing arm as basis;
The base eye of accomplishing fluently according to a upper procedure carries out crane span structure floor installation, first, expansion bolt used is all gone up on base, and some underproof bases are chosen and returned factory, when mounted expand tube is put into the centre of base screw to adjust; Secondly, during installation, expansion bolt fights to the finish, and bolt tightens can not loosening phenomenon, makes floor installation flat, just, will check at any time that the base installed is whether on a line in installation process.
Then carry out the installation of crane span structure arm, trailing arm, first arm, trailing arm are assembled into finished product, then on base, install, if installing, straightway can often cross a trailing arm of 5-10 lamp installation length installation, with this benchmark, by two adjacent trailing arm unwrapping wire, middle trailing arm is all installed according to this line; Bend section, work high above the ground personnel and ground staff observe at any time, and adjust mounted arm at any time, once all screws are tightened when mounted; Trailing arm is flat with spirit level behaviour, then fixedly trailing arm is upwarped to 3-6mm slightly when arm, and can guarantee like this can basic horizontal after arm load-bearing.
Then carry out crane span structure installation, straightway is used length for the crane span structure of 4000mm mono-joint; Bend section adopts the crane span structure of 2000mm mono-joint, the position that crane span structure is installed on trailing arm must be unified at straightway apart from trailing arm edge, the installation of crane span structure on arm guarantees that each arm is identical with its link position, at curved section, accomplish this point as far as possible, crane span structure while connecting aligns the brace of crane span structure and notch, naturally balance, tighten each screw.
Construction sequence:
Step 1, with tunnel portal, start to carry out first group of work,
Step 2, in tunnel, advance, carry out first group of work, second group of work simultaneously,
Step 3, in tunnel, advance, carry out first group of work, second group of work, the 3rd group of work simultaneously,
Step 4, on crane span structure, cable trench bracket mounted lamp, arrange cable, during lamp installation, the light fixture in Yi Ge illumination district can be first installed, after installation, light this illumination district light fixture, according to the angle of design and on-site actual situations, adjust light fixture angle again, to meet design requirement and to reach the illumination requirement of the best visual effect and design, follow-up lamp installation is installed as model; The angle reference in Yi Ci illumination district is done a bevel protractor simultaneously, lamp installation can adopt this bevel protractor that adjustment is installed later, light fixture adjustment is adjusted with a section, the fair line side of lamp is parallel with road surface, the buttock line of light fixture need to be worn flexible pipe and with clamp, fix in tunnel wall, accomplishes smooth, closely connected, neat appearance, unanimously unified, then carries out cable laying, wiring, cable is put well and rear cable is balanced, upper cover plate after listing.Attention:
1), when forceful electric power and light current circuit lay in same vertical shaft, should in the both sides of vertical shaft, lay or take quarantine measures respectively.Crane span structure is not less than 2.5m apart from the height on ground.
2) cable laying forbid there is wringing, the defect such as sheath fracture and surperficial serious damage.
3), when cable laying is greater than on the cable testing bridge of 45 ° at angle of inclination, cable should be established fixed point every 2m place.
4) encapsulation process should be done by cable discrepancy cable trench, vertical shaft, cabinet, platform place and pipe mouth of pipe place etc.
5) marshalling is answered in cable laying, the cable of horizontal laying head and the tail two ends, turning both sides and establish fixed point every 5m place, and the cable fixed point spacing being laid in vertical crane span structure is not more than 1m.
6) in cable testing bridge, every cable is every 50m place, and bidding note is answered at the head end of cable, tail end and turning, indicates cable number, model, specification, starting point and terminal.
7) from crane span structure, support cause equipment, wall external surface or within doors pedestrian easily approach and other may be subject to the place of mechanical damage, cable should have the protection tube protection of certain mechanical strength, the mouth of pipe is smooth, inside should be without ponding and no-sundries obstruction.While wearing cable, must not injury protection layer, can adopt non-corrosive sliding agent, the anticorrosive coat of pipe surface should be intact.
8) control cables of introducing in cabinet is answered marshalling, avoids intersecting, and cable model, specification should meet designing requirement.
9) secondary circuit wiring must be constructed by plan, and wiring is correct, connects reliably, and insulation is good, must not make connect terminal row be subject to mechanical stress.Cable head generally should be fixed on minimum terminal row 150～200mm place, and cable should be hung computerized version hard plastic label by design number requirement, indicates its loop numbering and purposes.
Step 5, test, adjustment;
1) Insulation test;
First by system drawing, proofread circuit, check the correctness of wiring, safety, carry out again the test of insulation values and carry out test record, last power transmission, adopt universal meter to carry out voltage tester, check phase place, hang up properly caution board, after the interior all electric mountings of switchbox, with 500, 1000 meggers carry out megger test to circuit, megger test comprises phase line and phase line, phase line and ground wire, insulaion resistance between all wires of phase line and zero line, reach numerical value: insulaion resistance is answered > 0.5M Ω, common cable insulaion resistance is answered > 0.5M Ω, magnesia insulating resistance of cable is answered > 100M Ω, busway insulaion resistance is answered > 20M Ω.
2) light fixture trial line charging;
In electric wiring transmission process, power distribution cabinet has decompression under-voltage protection, overvoltage protection, overcurrent protection, the functions such as overload protection, now power transmission is in Light Condition, after each position equipment wiring, in the situation that load disconnects progressively to subordinate's power transmission, electric substation's power transmission adopts the mode of crawl-combined floodgate, one group of power transmission two people, be equipped with Walkie talkie, efficiency and safety while improving power transmission, after each loop power transmission, give at the scene warning mark and caveat, during power transmission, by loop order, by road, send, Mei Song mono-tunnel should check voltage and the phase place of pile crown on all switchbox master switchs of loop power supply thus, the all switchbox electricity in this loop are all delivered to rear and then second circuit switching that close, repeat above-mentioned steps, until all switchbox electricity is delivered to, during power transmission, ensure Party A person in charge on the scene, console switch by permission, during operation, at least should there be two bit manipulation works on the scene, one man operation, one people's monitoring, after power transmission, all charged switchboxs, on control cabinet, all hang up properly power transmission sign, between each switchbox, should lock, key special messenger keeping.
3) visual inspection adjustment
Light fixture, crane span structure are installed rear whole visual effect of major embodiment, keep left by bus and keep right and longitudinally watch whole structure, and the horizontal effect of this section is looked in the middle sight that stands in each illumination section, if because the too poor impact effect of tunnel wall planeness, can carry out necessary adjustment to it, crane span structure can be adjusted by lengthening the mode of arm, mobile arm base, increase arm base; Light fixture is adjusted according to on-site actual situations, makes lamp face reach best visual effect after mixing up.
In construction, guarantee that described three groups of work independently carry out, every group of work record independent statistics.
Claims (5)
1. a highway tunnel illumination engineering construction method, is characterized in that, work is divided into three groups, and first group of work is:
Find out the difference of road surface, tunnel wall, vault, do reference line, take tunnel, road surface, vault reference line as basis, utilize tunnel portal, center, road surface, vault center, the crane span structure base of vault, cable trench side, cable trench bracket installation site are positioned and are rule;
Second group of work is:
According to the location of first group of work, crane span structure base is carried out in line, cable trench bracket is installed required punching work;
The 3rd group of work is:
Take the hole of second group of work setting carries out the installation of crane span structure base, arm, trailing arm, cable trench bracket, erection bridge on mounted arm, trailing arm as basis;
Construction sequence:
Step 1, with tunnel portal, start to carry out first group of work,
Step 2, in tunnel, advance, carry out first group of work, second group of work simultaneously,
Step 3, in tunnel, advance, carry out first group of work, second group of work, the 3rd group of work simultaneously,
Step 4, on crane span structure, cable trench bracket, arrange cable, mounted lamp on crane span structure,
Step 5, test, adjustment;
Described three groups of work are independently carried out, every group of work record independent statistics.
2. highway tunnel illumination engineering construction method according to claim 1, is characterized in that, described first group of work also comprises: examine light fixture, bridge formation and other equipment, main material quantity.
3. highway tunnel illumination engineering construction method according to claim 1, is characterized in that, in described first group of work, during the location of vault be the point of take on the road surface of its vertical same position as basis, by messenger wire, hang down to drawing to tunnel and push up.
4. highway tunnel illumination engineering construction method according to claim 1, is characterized in that, in the 3rd group of work, during erection bridge, straightway is used the long crane span structure of 4000mm, and bend section is used the long crane span structure of 2000mm.
5. highway tunnel illumination engineering construction method according to claim 1, it is characterized in that, described arm calculates institute installation site far from the height on road surface before installing, length to installed arm is controlled, after guaranteeing that lamp installation completes, more than the height of light fixture bottom road pavement remains on 5200mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848938A (en) * | 2017-02-17 | 2017-06-13 | 中国十七冶集团有限公司 | Cable testing bridge hanging installation method under a kind of High Altitude Platform |
| CN114825177A (en) * | 2022-04-27 | 2022-07-29 | 中铁六局集团有限公司 | High-altitude pipeline installation construction method in circular cross-section tunnel |
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| JP2001090500A (en) * | 1999-09-24 | 2001-04-03 | Yamatatsugumi:Kk | Energy saving type tunnel structural body |
| CN201462590U (en) * | 2009-07-16 | 2010-05-12 | 浙江琅盛光电科技股份有限公司 | LED tunnel lamp |
| CN102562153A (en) * | 2010-12-16 | 2012-07-11 | 上海市电力公司 | Setting method for auxiliary system of electric power tunnel |
| CN202484761U (en) * | 2012-03-19 | 2012-10-10 | 安徽省高速公路控股集团有限公司 | Combined type lighting system used for tunnel |
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2013
- 2013-12-06 CN CN201310654520.XA patent/CN103628918B/en active Active
Patent Citations (4)
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| JP2001090500A (en) * | 1999-09-24 | 2001-04-03 | Yamatatsugumi:Kk | Energy saving type tunnel structural body |
| CN201462590U (en) * | 2009-07-16 | 2010-05-12 | 浙江琅盛光电科技股份有限公司 | LED tunnel lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848938A (en) * | 2017-02-17 | 2017-06-13 | 中国十七冶集团有限公司 | Cable testing bridge hanging installation method under a kind of High Altitude Platform |
| CN114825177A (en) * | 2022-04-27 | 2022-07-29 | 中铁六局集团有限公司 | High-altitude pipeline installation construction method in circular cross-section tunnel |
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Application publication date: 20140312 Assignee: West Railway Construction (Shaanxi) Co.,Ltd. Assignor: CHINA RAILWAY 23RD CONSTRUCTION BUREAU., Ltd. Contract record no.: X2024980002523 Denomination of invention: Construction methods for highway tunnel lighting engineering Granted publication date: 20151209 License type: Common License Record date: 20240307 |
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