CN101058967A - Construction method for embedded guided way at orbit traffic engineering across - Google Patents
Construction method for embedded guided way at orbit traffic engineering across Download PDFInfo
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- CN101058967A CN101058967A CN 200710057562 CN200710057562A CN101058967A CN 101058967 A CN101058967 A CN 101058967A CN 200710057562 CN200710057562 CN 200710057562 CN 200710057562 A CN200710057562 A CN 200710057562A CN 101058967 A CN101058967 A CN 101058967A
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Abstract
The present invention discloses a construction method of the guided way at the level-crossing in embedded track traffic engineering, it aims at providing a construction method for reinforcing the guided way at the level-crossing to reduce the damage of guided way at the level-crossing caused by heavy trucks, protect the life of rail and protect the operation safety. It includes the following steps: measuring and releasing lines; preparing the guided way; construction of chemical anchor bolt; putting the guided way into groove; installing bolts insulation bearing plate around the bolts, installing iron buckle on the bolts insulation bearing plate, installing insulation buckle press plate between the iron buckle and the bottom of the guided way, tightening the screw cap to fasten the insulation buckle press plate, iron buckle and the insulation bearing plate; casting epoxy sand pulp, shelling-out the rail holding groove and two sides of guided way with P21 priming paint; casting epoxy resin. The construction method reinforces the guided way, can release the damage of guided way at the level-crossing caused by heavy trucks, protect the life of rail and protect the operation safety, and the method is easy to be operated.
Description
Technical field
The present invention relates to a kind of job practices, in particular, relate to a kind of job practices of large-scale level crossing embedded railway traffic engineering guided way.
Background technology
Embedded railway traffic engineering is a kind of brand-new city track traffic engineering, this novel traffic engineering still belongs to the first in China, engineering adopts the guided way and the special turning type track switch of TRANSLOHR system, introduce the construction technology of French LOHR company maturation, cutting longitudinal concave groove in the rigid pavement, to bury the fixed guide rail underground, guided way adopts epoxy resin to fix, and subway fastener mode that need not be traditional is fixed.Guided way is the guided way of special cross section shape, and general tread exceeds about the 3mm of road surface, and traction current is by the guided way transformer station that refluxes.Level crossing in European countries is not done specialized designs, and is identical with prevailing roadway, but is not suitable for the national conditions of China.Because track traffic is open road completely, at the level crossing place, guided way is except the load of the active force that bears guidance system, common traffic loading and Translohr vehicle tyre, each big crossing bogie is passing frequent, even serious overload, and guided way also need bear the active force of heavy truck to it, if do not reinforce, guided way is easily damaged, and be difficult to be protected the application life of circuit, influences the safe operation of circuit.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, provide a kind of the level crossing guided way is carried out reinforcing design, to slow down the damage of heavy truck to the level crossing guided way, ensure the application life of circuit, ensure the job practices of the embedded guided way at orbit traffic engineering across of security of operation.
The present invention is achieved through the following technical solutions:
A kind of job practices of embedded tracks level crossing guided way is characterized in that, comprises the steps:
(1) measure unwrapping wire: surveying and establish the reinforcement point according to reinforcing spacing with the central cross alignment both sides of level crossing, is the center of indicating bolt of benchmark in the guided way both sides with the guided way center line, and is the position that the girth member placed hole is indicated at the center with the bolt;
(2) guided way is prepared: guided way is carried out sandblast or impeller blasting, and make surface roughness reach the requirement of Sa2.5, adopt high-pressure blast to carry out dedusting and dry the processing afterwards, make the guided way surface reach the construction requirement of U90, bottom surface and side to guided way is coated with the U90 prime treatment immediately, reserve 20-30cm length in the guided way two ends and do not brush U90 priming paint, at least carry out solidifying in 24 hours the scene of transporting at U90, arrange rail according to plan, guided way is carried out the air pressure welding, after welding point cooled to below 500 ℃, normalized treatment was carried out in butt joint place; Afterwards to the guided way coating U90 priming paint of postwelding; The guided way that is welded into long rail string is placed on a side of rail support groove, to treat down rail;
(3) construction of chemical anchor bolts: according to the construction technology processing rail support groove of rail support groove, afterwards rail support groove is carried out dedusting and drying, make rail support groove reach the construction requirement of U90, brush U90 priming paint in the side and the bottom surface of rail support groove immediately, afterwards, at rail support groove bottom pouring epoxy resin, bottom land is carried out levelling, and form insulating layer; The girth member placed hole boring moulding of establishing afterwards by survey; According to the center line relative position auger shell keyhole of bolt, bolt hole is cleaned out again, inserted the plastics medicament pipe that the epoxy mortar medicament is housed, with Electric portable drill screw rod is screwed in bolt hole and flow out, take off erecting tools, wait for medicament quietly and flow out until medicament with blowpipe; After the epoxy mortar medicament hardens fully with bolt;
(4) guided way is gone into groove: treat above-mentioned epoxy resin harden fully form insulating layer after, in rail support groove, put the base plate of insulating pad every the 1-2 meter ampere, and by the height of adjusting base plate make guided way by above ground level to concordant with ground, and the height that remains on the level crossing guided way is concordant with ground, guided way is gone into groove, afterwards at the biside plate of the corresponding position of sound production insulating pad of the base plate of guided way both sides and insulating pad;
(5) around the rail support groove inner bolt, lay the bolt insulating pad, on the bolt insulating pad around the bolt, lay the hasp plate, between the hasp plate and the guided way flange of rail, lay insulation and withhold plate, on bolt, lay packing ring, fastening nut is withheld plate, hasp plate and insulating pad fastening with insulation;
(6) release agent is sprayed on the girth member placed hole pouring mould, after dry 60 minutes, casting mold is laid at the place at the girth member placed hole, and the cast epoxy mortar is to concordant with rail support groove with ground; Simultaneously, carry out dedusting and dry the processing on rail support groove and guided way surface, make the surface of rail support groove and guided way meet the construction requirement of P21 priming paint, afterwards, brush P21 priming paint respectively at rail support groove and guided way both sides; Afterwards, release agent is sprayed on guided way pouring mould and the plug mould, after dry 60 minutes, mould is installed on the rail head, and the plug mould is installed in two ends, afterwards from the outside injection ring epoxy resins of guided way, after treating that epoxy resin flows out from opposite side, from the opposite side cast, rail support groove is filled up epoxy resin again, treat that epoxy resin cure will water mould after the certain degree of hardness and the plug mould removes, treat to finish after epoxy resin hardens fully the construction of level crossing guided way.
The level crossing reinforcing scope is that level crossing is effectively by the motor vehicle scope and respectively extend 5 meters at the crossing oral-lateral to both sides respectively.
The reinforcing spacing is: the every 625mm in the crossing that vehicle flowrate is big establishes a reinforcement point, and the every 1000mm in the crossing that vehicle flowrate is little establishes a reinforcement point.
Described girth member placed hole is semicircle, and girth member placed hole radius is 60-90mm.
Guided way by above ground level be 5 meters to excessive section the length concordant with ground.
The present invention has following technique effect:
Job practices of the present invention has taken into full account the electric conductivity of guided way, and plate is withheld in the employing insulation and insulating pad cuts off chemical anchor bolts, hasp spare and rail system, with casting epoxy resin and epoxy mortar set bolt, has guaranteed strength of fixation.Bottom land to rail support groove adopts the mode of casting epoxy resin to carry out levelling simultaneously, has both satisfied the requirement of insulation, has well guaranteed the planeness of bottom land again, and it is simple and convenient to construct, and construction cost is low.By job practices of the present invention guided way has been carried out consolidation process, can slow down the damage of heavy truck, ensured the application life of circuit, ensured security of operation level crossing.And job practices is simple, and is easy to operate.
Description of drawings
Fig. 1 is the construction schematic diagram of embedded guided way at orbit traffic engineering across of the present invention;
Fig. 2 is the vertical view of Fig. 1.
Among the figure:
1. bolt insulating pad 2. hasp plates 3. epoxy mortars 4. ground 5. bolts, 6. nuts, 7. packing rings, 8. epoxy resin, 9. guided ways 10. are withheld base plate 12. girth member placed holes 13. rail support grooves of plate 11. insulating pads.
The specific embodiment
Below in conjunction with the drawings and specific embodiments reinforced construction method of the present invention is described in detail.
The construction schematic diagram of the reinforcing of embedded guided way at orbit traffic engineering across of the present invention as depicted in figs. 1 and 2, the naval stores of this method mainly adopts the resin material of international EDILON company, be respectively Edilon Primer U90WB (being called for short U90), Edilon Primer21 (being called for short P21) and Edilon Corkelast To (abbreviation epoxy resin), construction process according to embedded railway traffic engineering is applied in three kinds of products on guided way, the rail support groove successively, finally with resin with guided way be locked in concrete road bed on.This job practices comprises the steps:
1. measurement unwrapping wire: surveying and establish the reinforcement point according to reinforcing spacing with the central cross alignment both sides of level crossing, is benchmark is indicated bolt in the guided way both sides center with the guided way center line, emits axis in length and breadth, and carries out snap the line.And be the position that the girth member placed hole is indicated at the center with the bolt.The reinforcing spacing is: the crossing that vehicle flowrate is big is provided with a reinforcement point according to every 625mm, and the crossing that vehicle flowrate is little is provided with a reinforcement point according to every 1000mm.The level crossing reinforcing scope is that level crossing is effectively by the motor vehicle scope and respectively extend 5 meters to both sides respectively.The position of bolt can ensure that buckling piece gets final product the fixing of guided way.Make water creep into the row construction for convenience, to reduce construction cost, the girth member placed hole is semicircle, and girth member placed hole radius can not be too little, should ensure fastening strength, simultaneously, again can not be too big, can construct to ensure that water bores, be generally 60-90mm, the degree of depth is 80mm.
2. guided way is prepared: guided way is carried out sandblast or impeller blasting, and make surface roughness reach the requirement of Sa2.5, adopt high-pressure blast to carry out dedusting and dry the processing afterwards, make the guided way surface reach the construction requirement of U90, bottom surface and side to guided way is coated with the U90 prime treatment immediately, reserves 20-30cm length in the guided way two ends and do not brush U90 priming paint, carries out solidifying in 24 hours the scene of transporting at least at U90, arrange rail according to plan, guided way is carried out the air pressure welding.Because the inhomogeneous cooling of weld can be in the very big thermal stresses of the inner formation of guided way.Use normalized treatment,, can significantly improve the tensile strength of welding point to eliminate thermal stresses and thinning microstructure.After the air pressure welding, when welding point cools to below 500 ℃, normalized treatment is carried out in butt joint place, and air pressure welding back butt joint place normalized treatment technology is: adopt C
2H
2Flow is 3.01m
3/ h and O
2Flow is 2.7m
3The heater of/h reheats joint to more than 850 ℃, and when 30 ℃ of temperature, this process continues 1-2min approximately.Slow then cool to room temperature.Afterwards to the guided way coating U90 priming paint of postwelding; The guided way that is welded into long rail string is placed on a side of rail support groove, to treat down rail.
According to the instructions for use of U90, steel surface best applications temperature 〉=20 ℃, steel surface humidity is less than 8%.When steel surface humidity greater than 8% the time, carry out drying and handle.Construction sequence is as follows:
(1) composition 1 (black) is all poured in the bucket of composition 2;
(2) bucket is clipped between the both feet, connects spiral agitator with power auger then and mix two kinds of compositions, thoroughly stirred one minute;
(3) with spatula scraping bucket wall, unmixing product is scraped off from the bucket wall;
(4) stir one minute once more;
(5) the longest application time of U90 is 1 hour, even it still keeps fluid state, two components mix the U90 of back above 1 hour and will be cancelled.Before the next process construction, allow U90 carry out at least solidifying in 24 hours;
(6) guided way one is sidelong down, brushing flange of rail U90 priming paint is vertically placed guided way then, and what use long handle paint brush was thin as far as possible coats U90 priming paint in guided way web of the rail both sides.
3. the construction of chemical anchor bolts: according to the construction technology processing rail support groove of rail support groove, the construction of rail support groove can be adopted pre-buried job practices.Afterwards rail support groove is carried out dedusting and drying by high-pressure steam engine and dust catcher, make rail support groove reach the construction requirement of U90, immediately rail support groove interior finish roller in two sides of groove and the bottom surface thin as far as possible brush U90 priming paint, guarantee not have puddle or thick-layer to form.Afterwards,, be generally 2-3mm, bottom land is carried out levelling, and form insulating layer at the very thin one deck epoxy resin of rail support groove bottom pouring.The girth member placed hole boring moulding of establishing afterwards by survey, the girth member placed hole is 60-90mm, the degree of depth is 80mm.According to the center line relative position auger shell keyhole of bolt, hole depth is generally 130mm again, and the aperture is 18mm.With blowpipe bolt hole is cleaned out, inserted the plastics medicament pipe that the epoxy mortar medicament is housed, with Electric portable drill screw rod is screwed in bolt hole and flow out, take off erecting tools, wait for medicament quietly and flow out until medicament.After the epoxy mortar medicament hardens fully with bolt.
The construction of above-mentioned rail support groove U90 priming paint is according to method side EN206 standard, concrete surface strength is not less than C20/C25 before the construction of U90 priming paint, the newly placed concrete cast is no less than 7 days, adhesion strength＞the 0.9Mpa of concrete surface, in order to obtain the adhesion strength that concrete surface is optimized, concrete surface must guarantee that surface quality is good through handling, mixture, no interleaving agent, pollution-free (as: oil, dust, the grease) of cement-free emulsion layer, nothing sulfuration.Concrete surface U90 serviceability temperature condition is between+10 ℃ to+35 ℃, prevents from directly to contact rainwater.Construction sequence is identical with the construction sequence on guided way surface.
4. guided way is gone into groove; After treating that above-mentioned epoxy resin medicament hardens fully, in rail support groove, put the base plate of insulating pad every the 1-2 meter ampere, play the effect of insulation and location, by the height of adjusting base plate make guided way from the 5m scope of level crossing both sides by above ground level to concordant with ground, and keep the height of level crossing guided way concordant with ground, guided way is gone into groove.Afterwards, the biside plate at the corresponding position of sound production insulating pad of the base plate of guided way both sides and insulating pad is used for fixing guided way.
5. around the rail support groove inner bolt, lay the bolt insulating pad, on the bolt insulating pad around the bolt, lay the hasp plate, between the hasp plate and the guided way flange of rail, lay insulation and withhold plate, on bolt, lay packing ring, fastening nut is withheld plate, hasp plate and insulating pad fastening with insulation.
6. release agent is sprayed on the girth member placed hole pouring mould, after dry 60 minutes, casting mold is laid at the place at the girth member placed hole, and the cast epoxy mortar is to concordant with rail support groove with ground.Use high-pressure steam engine, dust catcher etc. to carry out dedusting and dry the processing on the rail support groove surface, make the surface use high-pressure blast to carry out dedusting and dry the processing at guided way, make the surface of rail support groove and guided way meet the construction requirement of P21, afterwards, brush P21 priming paint respectively at rail support groove and guided way both sides.Afterwards, release agent is sprayed on guided way pouring mould and the plug mould, after dry 60 minutes, mould is installed on the rail head, and the plug mould is installed in two ends, afterwards from the outside injection ring epoxy resins of guided way, after treating that epoxy resin flows out from opposite side, from the opposite side cast, rail support groove is filled up epoxy resin again, treat that epoxy resin cure will water mould after the certain degree of hardness and the plug mould removes, treat to finish after epoxy resin hardens fully the construction of level crossing guided way.
The P21 construction requirement is removed loose components, dust and dirt, rail bits and other dirt on guided way surface.The air humidity maximum is no more than 75%, must construct on dry surface (maximal humidity is no more than 4%) under the weather condition of drying, and construction temperature is between+5 ℃ to+35 ℃.
After P21 priming paint construction finishes, a time window is arranged carrying out next process (Edilon Corkelast to cast) construction, determine time interval of two procedures according to the difference of surface temperature, as following table:
| Surface temperature (℃) | Minimum time is poor | |
| 5～20 | 1 | 3 hours |
| 20～25 | 1/2 | 3 hours |
| 25～35 | 1/2 | 2 hours |
The concrete construction sequence of P21 priming paint is as follows:
(1) barreled P21 is fully shaken before using, the attention operative employee always wears your gloves and safety goggles, breath mask etc.
(2) use the Edilon sprayer out of doors, spray P21, guarantee that the groove top edge is fully covered in the both sides of rail and groove.
The service condition of epoxy resin:
(1) be unsuitable for the construction in narrower space, minimum rational Application space width should be greater than 25mm.
(2) storage temperature suits more than+20 ℃.
(3) before the cast Edilon Corkelast To product, must remove loose parts, dust dirt, oil, foreign material and pollutant.
(4) perfusion temperature be in+5 ℃ to+35 ℃ between, suggestion is more than+20 ℃, the surface requirements of constructing drying avoids directly touching water.
(5) after Edilon Corkelast To carries out the cooperation of two components, there is one to construct effective time (promptly using the life-span) according to mixing temperature, as following table
| Mixing temperature (℃) | Effective storage life (life-span) |
| 5 | 15 |
| 10 | 13 minutes |
| 20 | 10 minutes |
| 35 | 6 minutes |
By above time window oral thermometer as can be seen, in the Edilon Corkelast To work progress, when temperature is high more, Edilon Corkelast To solidifies fast more, need efficiency of operation will be high, speed wants fast, when temperature is low, the cure cycle of resin will prolong.
Concrete construction sequence is as follows:
(1) at first the particle that swims in top layer in the composition 1 is broken, stirred one minute with mixer.
(2) will be in advance the composition 2 of proportioning pour in the packing of composition 1, continue to topple over up to composition 2 and begin following, allow it following 30 seconds, moved two kinds of compositions of mixer mixing one minute with Edilon ediMix 10 types, up to even mixing.
(3) carefully in the rail groove, inject materials mixed.Must inject from the outside of guided way, treat that resin after the opposite side outflow, from the opposite side cast, fills up resin with the rail groove again.
In the work progress of U90, P21 and Edilon Corkelast To, must in strict accordance with the using method of manual carry out.
Although the disclosed job practices that relates to a kind of embedded guided way at orbit traffic engineering across has been carried out special description with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.
Claims (5)
1, a kind of job practices of embedded guided way at orbit traffic engineering across is characterized in that, comprises the steps:
(1) measure unwrapping wire: surveying and establish the reinforcement point according to reinforcing spacing with the central cross alignment both sides of level crossing, is the center of indicating bolt of benchmark in the guided way both sides with the guided way center line, and is the position that the girth member placed hole is indicated at the center with the bolt;
(2) guided way is prepared: guided way is carried out sandblast or impeller blasting, and make surface roughness reach the requirement of Sa2.5, adopt high-pressure blast to carry out dedusting and dry the processing afterwards, make the guided way surface reach the construction requirement of U90, bottom surface and side to guided way is coated with the U90 prime treatment immediately, reserve 20-30cm length in the guided way two ends and do not brush U90 priming paint, at least carry out solidifying in 24 hours the scene of transporting at U90, arrange rail according to plan, guided way is carried out the air pressure welding, after welding point cooled to below 500 ℃, normalized treatment was carried out in butt joint place; Afterwards to the guided way coating U90 priming paint of postwelding; The guided way that is welded into long rail string is placed on a side of rail support groove, to treat down rail;
(3) construction of chemical anchor bolts: according to the construction technology processing rail support groove of rail support groove, afterwards rail support groove is carried out dedusting and drying, make rail support groove reach the construction requirement of U90, brush U90 priming paint in the side and the bottom surface of rail support groove immediately, afterwards, at rail support groove bottom pouring epoxy resin, bottom land is carried out levelling, and form insulating layer; The girth member placed hole boring moulding of establishing afterwards by survey; According to the center line relative position auger shell keyhole of bolt, bolt hole is cleaned out again, inserted the plastics medicament pipe that the epoxy mortar medicament is housed, with Electric portable drill screw rod is screwed in bolt hole and flow out, take off erecting tools, wait for medicament quietly and flow out until medicament with blowpipe; After the epoxy mortar medicament hardens fully with bolt;
(4) guided way is gone into groove; Treat above-mentioned epoxy resin harden fully form insulating layer after, in rail support groove, put the base plate of insulating pad every the 1-2 meter ampere, and by the height of adjusting base plate make guided way by above ground level to concordant with ground, and the height that remains on the level crossing guided way is concordant with ground, guided way is gone into groove, afterwards at the biside plate of the corresponding position of sound production insulating pad of the base plate of guided way both sides and insulating pad;
(5) around the rail support groove inner bolt, lay the bolt insulating pad, on the bolt insulating pad around the bolt, lay the hasp plate, between the hasp plate and the guided way flange of rail, lay insulation and withhold plate, on bolt, lay packing ring, fastening nut is withheld plate, hasp plate and insulating pad fastening with insulation;
(6) release agent is sprayed on the girth member placed hole pouring mould, after dry 60 minutes, casting mold is laid at the place at the girth member placed hole, and the cast epoxy mortar is to concordant with rail support groove with ground; Simultaneously, carry out dedusting and dry the processing on rail support groove and guided way surface, make the surface of rail support groove and guided way meet the construction requirement of P21 priming paint, afterwards, brush P21 priming paint respectively at rail support groove and guided way both sides; Afterwards, release agent is sprayed on guided way pouring mould and the plug mould, after dry 60 minutes, mould is installed on the rail head, and the plug mould is installed in two ends, afterwards from the outside injection ring epoxy resins of guided way, after treating that epoxy resin flows out from opposite side, from the opposite side cast, rail support groove is filled up epoxy resin again, treat that epoxy resin cure will water mould after the certain degree of hardness and the plug mould removes, treat to finish after epoxy resin hardens fully the construction of level crossing guided way.
2, the job practices of embedded guided way at orbit traffic engineering across according to claim 1 is characterized in that, the level crossing reinforcing scope is that level crossing is effectively by the motor vehicle scope and respectively extend 5 meters at the crossing oral-lateral to both sides respectively.
3, the job practices of embedded guided way at orbit traffic engineering across according to claim 1, it is characterized in that, the reinforcing spacing is: the every 625mm in the crossing that vehicle flowrate is big establishes a reinforcement point, and the every 1000mm in the crossing that vehicle flowrate is little establishes a reinforcement point.
4, the job practices of embedded guided way at orbit traffic engineering across according to claim 1 is characterized in that, described girth member placed hole is semicircle, and girth member placed hole radius is 60-90mm.
5, the job practices of embedded guided way at orbit traffic engineering across according to claim 1 is characterized in that, guided way by above ground level be 5 meters to excessive section the length concordant with ground.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200710057562XA CN100503970C (en) | 2007-06-06 | 2007-06-06 | Construction method for embedded guided way at orbit traffic engineering across |
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Cited By (9)
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| CN101864732A (en) * | 2010-05-26 | 2010-10-20 | 中铁大桥局集团第一工程有限公司 | High-precision surface evening method for large-sized high-bearing capability steel structure slideways |
| CN102529750A (en) * | 2012-02-03 | 2012-07-04 | 天津二十冶建设有限公司 | Insulation structure of ground power supply sliding contact wire of electric flat car and construction technology thereof |
| CN103362036A (en) * | 2013-07-24 | 2013-10-23 | 成都市新筑路桥机械股份有限公司 | Quick construction method of embedded rail system |
| CN104063543A (en) * | 2014-06-24 | 2014-09-24 | 同济大学 | Wheel-rail combination roughness identification method for rail traffic |
| CN105648850A (en) * | 2016-01-21 | 2016-06-08 | 连云港凯帝重工科技有限公司 | Method for insulating steel rails from concrete |
| CN105906256A (en) * | 2016-03-31 | 2016-08-31 | 山东净金新能源有限公司 | Assembled pillow for integral cross plate of rail and manufacturing method thereof |
| CN107326773A (en) * | 2017-05-25 | 2017-11-07 | 上海市城市建设设计研究总院（集团）有限公司 | The construction method of tramcar level crossing perfusion rail top glue |
| CN112779827A (en) * | 2020-12-31 | 2021-05-11 | 中车浦镇庞巴迪运输系统有限公司 | Method and tool for installing rubber wheel rail guide rail |
| CN112982044A (en) * | 2021-03-24 | 2021-06-18 | 广西柳州钢铁集团有限公司 | Construction process for quickly forming integral road bed of road junction |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864732A (en) * | 2010-05-26 | 2010-10-20 | 中铁大桥局集团第一工程有限公司 | High-precision surface evening method for large-sized high-bearing capability steel structure slideways |
| CN102529750A (en) * | 2012-02-03 | 2012-07-04 | 天津二十冶建设有限公司 | Insulation structure of ground power supply sliding contact wire of electric flat car and construction technology thereof |
| CN103362036A (en) * | 2013-07-24 | 2013-10-23 | 成都市新筑路桥机械股份有限公司 | Quick construction method of embedded rail system |
| CN103362036B (en) * | 2013-07-24 | 2014-10-22 | 成都市新筑路桥机械股份有限公司 | Quick construction method of embedded rail system |
| CN104063543B (en) * | 2014-06-24 | 2017-12-26 | 同济大学 | A kind of track traffic wheel track combines roughness recognition methods |
| CN104063543A (en) * | 2014-06-24 | 2014-09-24 | 同济大学 | Wheel-rail combination roughness identification method for rail traffic |
| CN105648850A (en) * | 2016-01-21 | 2016-06-08 | 连云港凯帝重工科技有限公司 | Method for insulating steel rails from concrete |
| CN105906256A (en) * | 2016-03-31 | 2016-08-31 | 山东净金新能源有限公司 | Assembled pillow for integral cross plate of rail and manufacturing method thereof |
| CN107326773A (en) * | 2017-05-25 | 2017-11-07 | 上海市城市建设设计研究总院（集团）有限公司 | The construction method of tramcar level crossing perfusion rail top glue |
| CN107326773B (en) * | 2017-05-25 | 2019-08-23 | 上海市城市建设设计研究总院（集团）有限公司 | The construction method of tramcar level crossing perfusion rail top glue |
| CN112779827A (en) * | 2020-12-31 | 2021-05-11 | 中车浦镇庞巴迪运输系统有限公司 | Method and tool for installing rubber wheel rail guide rail |
| CN112779827B (en) * | 2020-12-31 | 2022-10-04 | 中车浦镇阿尔斯通运输系统有限公司 | Method and tool for installing rubber wheel rail guide rail |
| CN112982044A (en) * | 2021-03-24 | 2021-06-18 | 广西柳州钢铁集团有限公司 | Construction process for quickly forming integral road bed of road junction |
| CN112982044B (en) * | 2021-03-24 | 2023-01-06 | 广西柳州钢铁集团有限公司 | Construction process for quickly forming integral road bed of road junction |
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