CN101768906B - Double-line construction method for double-block ballastless track bed plate of railway passenger special line - Google Patents
Double-line construction method for double-block ballastless track bed plate of railway passenger special line Download PDFInfo
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- CN101768906B CN101768906B CN 200910251679 CN200910251679A CN101768906B CN 101768906 B CN101768906 B CN 101768906B CN 200910251679 CN200910251679 CN 200910251679 CN 200910251679 A CN200910251679 A CN 200910251679A CN 101768906 B CN101768906 B CN 101768906B
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Abstract
The invention discloses a double-line construction method for a double-block ballastless track bed board of a railway passenger special line, which is characterized in that a double-line track is divided into a first line and a second line, the first line is used for construction in advance, and the second line is used for construction after lagging behind the first line; taking a sidewalk which is built in the off-line civil engineering construction and is parallel to the line as an off-line sidewalk; the first line bed plate takes a second line bed without a second line bed plate as a first line on-way; the second line bed board takes a first line track which is provided with a finished track as a second line access way; the first line and the second line form two independent construction flow lines. The method reasonably arranges the construction progress, effectively utilizes the corresponding road section which is constructed in advance, solves the logistics problem of ballastless track bed plate construction, ensures the construction efficiency and the construction quality, reduces the construction cost and reduces the environmental pollution.
Description
Technical field
The present invention relates to special line for passenger trains double-block ballastless track bed board two-wire job practices.
Background technology
High-speed railway has become the development trend of China railways, but relevant at present construction technology is still immature, and a lot of aspects are in the stage of fumbling, especially pioneer road and logistical problem.Relatively advanced Germany of wheel-track type high-speed railway and France, the high-speed railway circuit that it has built up is all shorter, grows most and also has only the hundreds of kilometer.Its terrain is more smooth, is easy to build parallel pioneer road, and construction equipment, material and concrete can transport easily through pioneer road and put in place.
In China, vast in territory, terrain is changeable; Article one, high-speed railway often will pass through multiple landform such as Plain, mountain region, river, hills; In the landform of complicacy, usually do not possess the condition of building parallel pioneer road, thereby construction equipment, material and concrete all can not be transported to the scene fast; Even can't be transported to the scene, and then have influence on normally carrying out of ballastless track bed board construction at all.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point; A kind of special line for passenger trains double-block ballastless track bed board two-wire job practices is provided; Through reasonable arrangement construction speed, effectively utilize the respective stretch of formerly accomplishing construction, solve the logistical problem of ballastless track bed board construction; Guaranteeing efficiency of construction and construction quality, and reduce construction cost, reduce environment pollution.
Technical solution problem of the present invention adopts following technical scheme:
The characteristics of special line for passenger trains double-block ballastless track bed board two-wire job practices of the present invention are that the two-wire track is divided into a line and two wires, and with line construction in advance, the two wires lags behind line construction in the back; The sidewalk that parallels with circuit to build in the civil engineering construction under the line is a sidewalk under the line; One drawing lines bed board is that two wires bedding with road, the two wires bed board of not constructing as yet is as sidewalk on the line line; Road, two wires bed board is to be sidewalk on the line of two wires to accomplish the auxilliary trajectory of establishing of track; A said line and two wires form two streamlines of independently constructing; The changeover portion level crossing is being set between sidewalk and the circuit under the said line, is making the open to traffic of online and offline.
The characteristics of special line for passenger trains double-block ballastless track bed board two-wire job practices of the present invention also are:
Be used for that engineering material, circulation material, plant and concrete all transport through the two wires bedding as sidewalk on the line line under the line of line construction.
In the construction of said two wires; Two wires railway roadbed board concrete is after being transported to the changeover portion level crossing with rubber-tyred concrete transport vehicle through sidewalk under the said line, changes by rail-mounted concrete delivery truck to be transported to two wires railway roadbed board concrete and to build the scene through accomplishing the auxilliary trajectory of establishing of track again; Engineering material, the circulation material of road, two wires bed board is to be had bad luck and have enough to meet the need through accomplishing the auxilliary trajectory of establishing of track by rail-mounted flat bed transport vehicle.
The construction of a said drawing lines bed board is to adopt the manual work face; When 1000m length is accomplished in trajectory construction, the construction of beginning two wires; The mechanical work face is adopted in the construction of said two wires, and a line and two wires form two streamlines of independently constructing.
Compared with present technology, beneficial effect of the present invention is embodied in:
The difficult problem that pioneer road was built when 1, the present invention had at first solved mountain region, the construction of hilly ground double-block type ballastless track two-wire; Utilize the sidewalk of building in the civil engineering construction under the line parallel with circuit; And utilize the trajectory constructed and to have accomplished; Rationally arrange the construction speed of a line and two wires, efficiently solve the logistical problem of concrete in the construction, material, facility etc.
2, the present invention adopts the mode that manual work combines with mechanical work, has saved a series of expenses such as purchase commodity, usage charges, POL expense, maintenance expense of a large amount of plant equipment.
3, the present invention has been owing to reduced plant equipment, corresponding a large amount of consumption that reduce oil plant, thus reduced environment pollutions such as air, water and soil.
Description of drawings
Fig. 1 is the present invention's one drawing lines bed board pioneer road and logistics sketch map.
Fig. 2 is road, two wires of the present invention bed board pioneer road and logistics sketch map.
Label among the figure: 1 is that a line, 1a are that a trajectory, 2 is that two wires, 3 is that sidewalk under the line, 4 is that two wires bedding, 5 is that rubber-tyred concrete transport vehicle, 6 is rail-mounted concrete delivery truck.
Below pass through the specific embodiment, and combine accompanying drawing that the present invention is described further
The specific embodiment
Practical implementation is that the two-wire track is divided into a line 1 and two wires 2, with line 1 construction in advance, lags behind a line 1 construction in the back with two wires 2; In the work progress, be sidewalk 3 under the line, the level crossing that sidewalk communicates with circuit under the line be set, make the open to traffic of line under reaching the standard grade at changeover portion with the sidewalk of building in the civil engineering construction under the line parallel with circuit;
Fig. 1, shown in Figure 2; Construct a drawing lines bed board with width greater than 7.0m, do not construct the two wires bedding 4 of road, two wires bed board as sidewalk on the line line as yet, engineering material, circulation material, plant and concrete transport with rubber-tyred concrete transport vehicle 5 through two wires bedding 4 under the line of line construction;
Shown in Figure 2; When constructing road, two wires bed board; Two wires railway roadbed board concrete is to be transported to after the level crossing through sidewalk 3 under the lines with rubber-tyred concrete transport vehicle 5, changes by rail-mounted concrete delivery truck 6 to be transported to two wires railway roadbed board concrete and to build the scene through accomplishing the auxilliary trajectory 1a who establishes of track again; Engineering material, the circulation material of road, two wires bed board is to be had bad luck and have enough to meet the need through accomplishing the auxilliary trajectory 1a that establishes of track by rail-mounted flat bed transport vehicle;
The construction of one drawing lines bed board is to adopt the manual work face; When 1000m length is accomplished in trajectory 1a construction, with a trajectory sidewalk on the line of two wires construction, the construction of beginning two wires; The mechanical work face is adopted in the two wires construction, and a line and two wires form two streamlines of independently constructing.
Work progress:
1, measures setting-out
Be equipped with two of Lycra TCRP1201 total powerstations, one of automatic compensated level, one of Tian Bao 0.3mm level precision level, 50 meters each 1 covers of invar tape.
One line sleeper location: per ten sleepers are emitted the sideline of railway roadbed reinforcing bar, per five sleepers emit one x wire as the sleeper center with reference to foundation.Loose and rest the head on the lateral separation that measures sleeper according to the baffle plate on the railway roadbed sleeper of having constructed in the two wires; And then the control fore-and-aft distance, just can generally be not more than 10mm so that the workload of coarse adjustment is very little; Can directly adopt fine-tuning machine to carry out coarse adjustment, can reduce by a coarse adjustment machine equipment.
2, the distribution of bottom longitudinal reinforcement
After the sideline bullet of reinforcing bar was good, the joint-cutting place isolated in strict accordance with requiring to cover geotextiles, and manual work is distributed to reinforcing bar on the supporting bed by the longitudinal reinforcement quantity.
The bridge section is laid geotextiles, installation resilient sleeper-bearing, colligation bottom layer of the reinforcing steel more earlier before this.
3, diffusing pillow
The one line pillow that looses adopts the artificial pillow that looses, and the rubber tyred gantry crane pillow that looses is adopted in the two wires.
4, the laying of instrument rail
One the Line tool rail adopts the automobile truck-mounted crane to carry out installation and removal, and the two wires adopts rubber tyred gantry crane to carry out the installation and removal of instrument rail.
5, adjustment supporting rack of screw pallet is installed
On the instrument rail, settling the supporting rack of screw pallet to carry out the height above rail surface regulates; Prevent the concentrated cracking that causes of supporting bed concrete stress; And entangle the screw rod top with plastic bushing; So that the screw rod on the bearing support can be back-outed behind concrete initial set smoothly, press the rail piece with the fastener fastening, make the flange of rail and the closely connected tight in supporting bridge joint face place.
6, section of track stull punching
In order to reinforce the whole section of track, prevent that the section of track from taking place laterally to move, every one steel rail adopts four pairs of stulls to carry out transversely strengthening after section of track accurate adjustment is accomplished.In order to prevent to punch disturbance accurate adjustment achievement too late, punching work must be accomplished before coarse adjustment.Punch position is advisable apart from the inboard 20cm of road bed board in railway roadbed.
7, coarse adjustment
One line adopts the method for setting-out location to improve the sleeper precision, utilizes the fine-tuning machine coarse adjustment.The position relation of the road bed board that can construct according to road, a two wires bed board and a line when pillow is loose in two wires construction is carried out sleeper roughly and is located, and makes coarse adjustment machine carry out coarse adjustment again.
8, screw regulator is installed
Coarse adjustment is tightened screw regulator after accomplishing immediately, makes it evenly stressed.
9, gauge adjustment
Because the design feature of double-block type sleeper, after the instrument rail was installed, all gauges all can dwindle, and the special-purpose gauge strut of field by using supports the instrument rail from web of the rail position, to reduce the error of gauge.
10, the layout of bottom, top reinforcement and colligation
After the section of track hoists and adjusts to design attitude, colligation bottom, top reinforcement.
11, vertical template is installed
The manual work face adopts truck-mounted crane to cooperate artificial mounting template, and the mechanical work face adopts special-purpose fitting machine to install.Template is installed and is carried out integrated ground and Insulation test work simultaneously.
12, accurate adjustment
Use total powerstation and track detection car that sleeper center line and elevation are adjusted; Be equipped with the TCR1201 high precision total station fine-tuning machine to be carried out the wireless transmission of rail level data on it; Cooperate manual work to utilize adjusting screw(rod) and box spanner to regulate again, until reaching designing requirement.
13, the section of track is reinforced
After section of track accurate adjustment is accomplished, the section of track is reinforced reliably, at last image data again., adjust individually again when defective like image data temporarily.
14, welding earth anchor reinforcing bar
The earth anchor reinforcing bar is φ 16 reinforcing bars of before coarse adjustment, imbedding supporting bed 15cm, and the earth anchor reinforcing bar begins to weld with sleeper bottom truss bars after image data, and welding must be firmly.Road, tunnel all carry out the anchoring setting by four pairs of dowels of every one steel rail, bridge Duan Bushe earth anchor reinforcing bar.
15, the cleaning of supporting bed, moistening
The concrete bearing layer is cleaned completely before the concreting, removes residual rubbish, earth, 2h sprinkles water moisteningly before perfusion then, cleans ponding before the perfusion.
16, concreting
After button-up operations is accomplished, sleeper protection box is installed and is begun concreting.One drawing lines bed construction concrete directly is transported to the job site pouring construction by sidewalk under the concrete delivery truck warp and two wires bedding; Concrete is after being transported to level crossing with rubber-tyred concrete transport vehicle through sidewalk under the line during construction of two wires railway roadbed, changes by rail-mounted concrete delivery truck to be transported to two wires railway roadbed board concrete and to build the scene through accomplishing the auxilliary trajectory of establishing of track again.Carry out concrete secondary when having bad luck, needing to use concrete elevator or concrete mixer to carry out the secondary entrucking.
17, loosen fastener, supporting rack of screw
Behind the concrete initial set, close on final set before, loosen each fastener and each supporting member.
18, the repetition measurement of road bed board
Be no less than after the railway roadbed board concrete is built two days, intensity reach design strength 50% after carry out repetition measurement, the repetition measurement content comprises section of track precision and railway roadbed board concrete absolute altitude, with the foundation as next step quality control.
19, concrete curing
Cover fully more than the watering maintenance fortnight with geotextiles immediately after the concrete final set, and then spray curing agent maintenance 16 days, all curing times, be limited to one month.Geotextiles keeps moistening during the covering curing, covering puts in place, concrete does not have exposed.
20, stripping
After the railway roadbed concrete strength reaches 5.0Mpa, begin to dismantle template and bearing support.Form removable manual work face adopts truck-mounted crane to cooperate manual work to remove, and the mechanical work face adopts the dismounting machine to remove summer.
21, removal tool rail
The dismounting of instrument rail adopts special 3t straddle truck to construct.
22, filling Screw rod bearings hole
After the non-fragment orbit construction was accomplished, unification was clogged Screw rod bearings hole on the road bed board, and choke material adopts the C40 non-shrink mortar.
Claims (4)
1. special line for passenger trains double-block ballastless track bed board two-wire job practices is characterized in that the two-wire track is divided into a line (1) and two wires (2), and with a line (1) construction in advance, two wires (2) lag behind line construction in the back; The sidewalk that parallels with circuit to build in the civil engineering construction under the line is sidewalk under the line (3); One drawing lines bed board is that two wires bedding (4) with road, the two wires bed board of not constructing as yet is as sidewalk on the line line; Road, two wires bed board is to be sidewalk on the line of two wires to accomplish the auxilliary trajectory (1a) of establishing of track; A said line (1) and two wires (2) form two streamlines of independently constructing; The changeover portion level crossing is being set between sidewalk and the circuit under the said line, is making the open to traffic of online and offline.
2. special line for passenger trains double-block ballastless track bed board two-wire job practices according to claim 1 is characterized in that: be used for that engineering material, circulation material, plant and concrete all transport through the two wires bedding (4) as sidewalk on the line line under the line of line construction.
3. special line for passenger trains double-block ballastless track bed board two-wire job practices according to claim 1; It is characterized in that: in the construction of said two wires (2); Two wires railway roadbed board concrete is after being transported to the changeover portion level crossing with rubber-tyred concrete transport vehicle (5) through sidewalk (3) under the said line, changes by rail-mounted concrete delivery truck (6) to be transported to two wires railway roadbed board concrete and to build the scene through accomplishing the auxilliary trajectory (1a) of establishing of track again; Engineering material, the circulation material of road, two wires bed board is to be had bad luck and have enough to meet the need through accomplishing the auxilliary trajectory (1a) of establishing of track by rail-mounted flat bed transport vehicle.
4. special line for passenger trains double-block ballastless track bed board two-wire job practices according to claim 1 is characterized in that: the construction of a said drawing lines bed board is to adopt the manual work face; When 1000m length is accomplished in a trajectory (1a) construction, the construction of beginning two wires (2); The mechanical work face is adopted in the construction of said two wires, and a line (1) and two wires (2) form two streamlines of independently constructing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910251679 CN101768906B (en) | 2009-12-31 | 2009-12-31 | Double-line construction method for double-block ballastless track bed plate of railway passenger special line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910251679 CN101768906B (en) | 2009-12-31 | 2009-12-31 | Double-line construction method for double-block ballastless track bed plate of railway passenger special line |
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| CN101768906A CN101768906A (en) | 2010-07-07 |
| CN101768906B true CN101768906B (en) | 2012-07-04 |
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| CN 200910251679 Expired - Fee Related CN101768906B (en) | 2009-12-31 | 2009-12-31 | Double-line construction method for double-block ballastless track bed plate of railway passenger special line |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034786B (en) * | 2017-04-10 | 2018-12-04 | 中铁二院工程集团有限责任公司 | A kind of track linear control method for multi-thread LONG-SPAN RAILWAY bridge |
| CN110130164A (en) * | 2019-04-22 | 2019-08-16 | 中铁五局集团有限公司 | A kind of two groups of long sleeper buried-type crossover turnout railway roadbed casting methods |
| CN110512476B (en) * | 2019-09-05 | 2021-06-04 | 北京建工土木工程有限公司 | Soft foundation double-track laying method in double-arch water-rich tunnel |
| CN112962366A (en) * | 2021-03-04 | 2021-06-15 | 中铁二局集团有限公司 | Reverse paving construction method for CRTS III type track slab in mountainous area |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837471A (en) * | 2006-03-30 | 2006-09-27 | 中铁八局集团有限公司 | Method for debugging bearing of double-block type ballastless track |
| CN200974948Y (en) * | 2006-10-30 | 2007-11-14 | 中铁八局集团有限公司 | Longitudinal-moving platform car for railroad switch laying |
| CN101215814A (en) * | 2007-12-29 | 2008-07-09 | 南车洛阳机车有限公司 | Laying construction method and device for double-block type ballastless track sleeper |
-
2009
- 2009-12-31 CN CN 200910251679 patent/CN101768906B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837471A (en) * | 2006-03-30 | 2006-09-27 | 中铁八局集团有限公司 | Method for debugging bearing of double-block type ballastless track |
| CN200974948Y (en) * | 2006-10-30 | 2007-11-14 | 中铁八局集团有限公司 | Longitudinal-moving platform car for railroad switch laying |
| CN101215814A (en) * | 2007-12-29 | 2008-07-09 | 南车洛阳机车有限公司 | Laying construction method and device for double-block type ballastless track sleeper |
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Address after: Wangjiang Road in Baohe District of Hefei city of Anhui Province, No. 96 230032 Patentee after: CHINA TIESIJU CIVIL ENGINEERING GROUP Co.,Ltd. Patentee after: THE FIRST CIVIL ENGINEERING CO., LTD. OF CREC SHANGHAI Group Address before: Wangjiang Road in Baohe District of Hefei city of Anhui Province, No. 96 230023 Patentee before: CHINA TIESIJU CIVIL ENGINEERING GROUP Co.,Ltd. Patentee before: 1ST CIVIL ENG Co.,Ltd. CREC SHANGHAI |
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Granted publication date: 20120704 Termination date: 20201231 |
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