CN103757993B - High-speed railway subgrade sedimentation repair system and method - Google Patents
High-speed railway subgrade sedimentation repair system and method Download PDFInfo
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- CN103757993B CN103757993B CN201310741552.3A CN201310741552A CN103757993B CN 103757993 B CN103757993 B CN 103757993B CN 201310741552 A CN201310741552 A CN 201310741552A CN 103757993 B CN103757993 B CN 103757993B
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Abstract
The present invention discloses a kind of high-speed railway subgrade sedimentation repair system and method, this system comprises: at least eight lifting members, at least eight lifting members are arranged in the lifting the preset point on bed plate, and each lifting member comprises coupling part and jacking part; At least eight hydraulic jacking devices, each hydraulic jacking device is arranged between the jacking part of high ferro roadbed and lifting member; Hydraulic pressure distributing equipment, hydraulic pressure distributing equipment is connected with each hydraulic jacking device by hydraulic line; Automatic control system, automatic controlling system hydraulic pressure distributing equipment provides default hydraulic pressure bed plate to be lifted away from high ferro roadbed predetermined altitude to each hydraulic jacking device; And grouting equipment, slurries to be poured in the gap that formed between bed plate and high ferro roadbed by grouting equipment by slurry line, with at grout cures rear support bed plate.The present invention also provides a kind of track plates and bed plate overall lifting type high ferro subgrade settlement restorative procedure.
Description
Technical field
The present invention relates to railway bed repair system and method, particularly high-speed railway subgrade repair system and method.
Background technology
Through high speed railway construction for many years, China has built up worldwide largest High-speed Railway Network.High-speed railway generally adopts plate-type ballastless track, and it is a kind of a kind of novel track structure be made up of parts such as connector, rail and fasteners between in-situ cement concrete supporting bed on roadbed, cement emulsified asphalt mortar layer, precast concrete rail plate, plate.Compared with traditional Ballast track, because non-fragment orbit eliminates sleeper and railway roadbed, adopt the direct supporting rail of precast rc slab, thus have the following advantages: stability, ride comfort are good; Building height is low, from heavy and light, can reduce bridge second phase load and reduce tunnel clearance; Track deformation is slow, good endurance; Maintenance cost is low.
But for ensureing train high speed, safety, even running, high ferro requires high to the ride comfort of track.When track irregularity degree exceeds design standard, greatly can reduce ride comfort, time serious, even jeopardize traffic safety.Under high speed driving conditions, the track irregularity caused due to subgrade settlement also can cause huge wheel-rail force and impact force, railway ballast fragmentation can be accelerated, make ballast bed subgrade produce differential settlement, also may cause rail, wheel, axle fracture, cause derailment accident.
Further, China is vast in territory, complex geologic conditions is changeable, and high ferro circuit passes through the junior geologic zones such as weak soil, loess, karst in a large number, and subgrade settlement phenomenon is very general.For the subgrade settlement that may occur, high ferro non-fragment orbit is preset the steel fastener for adjustable track distortion, when subgrade settlement causes the vertical linear change of track, rail top face is made to return to design elevation by adjustment fastener, but its maximum adjustment amount only 15mm.When subgrade settlement is more than 15mm, the adjustment of fastener is relied on to recover track merely linear just helpless.
In fact, after domestic many high ferro line clears operation several years, there is sedimentation in the roadbed of part circuit, cause upper track plated construction to be sunk thereupon, in order to keep rail level absolute altitude, can only be solved at present by the means installing backing plate after unclamping fastener additional temporarily.But for the section (more than 10cm) that some sedimentation is serious, the adjusting range of fastener reaches the limit, still cannot meet the requirement of present situation track level measuring.In light of this situation, in order to ensure traffic safety, respective road segment has to take speed limit measure, has had a strong impact on the riding quality of circuit.
Just under this background, how to solve track plates lifting and make it restore to this problem of present situation track level measuring and become day by day urgent, only have the sinking fundamentally eliminating track plates, speed limit could be cancelled early, make high-speed railway along healthy and stable future development.High-speed railway circle has carried out large quantifier elimination and experiment for this problem.
As Chinese patent application disclose No. 103132398A a kind of method for maintaining of I-type plate-type non-fragment orbit that discloses, the method comprises: step 1: first utilize jack lifting track plates, to place organic Mortar Plates between track plates and cement asphalt mortar layer, and the organic Mortar Plates periphery between track plates and cement asphalt mortar layer is sealed by weather strip, forms space between weather strip and organic Mortar Plates; Step 2: inject organic mortar in the weather strip between track plates and cement asphalt mortar layer; Step 3: after organic mortar solidification, remove weather strip and carry out fastening to track plates.But the method for maintaining of this I-type plate-type non-fragment orbit has following shortcoming and defect: (1), difference according to form of structure, high-speed rail plate can be divided into CRTS-I type, II type and III type, screed is had to separate between the track plates of some template and bed plate, some does not then have, for there being the template of separation can lifting track plates separately, that does not separate then cannot realize independent lifting track plates; (2), independent lifting track plates, the screed between padded track plates and bed plate, easily backfills leakiness, and produce new gap layer, this can cause adverse effect to the ride comfort of high ferro circuit; (3), directly utilize the independent lifting track plates of jack, do not disclose/advise any auxiliary or protective device/measure of employing, this will force track plates to produce stress deformation, even breakage; (4), do not disclose/advise and how to apply lifting force to avoid track plates distortion/breakage.
And for example Chinese patent application discloses No. 103233400A a kind of non-fragment orbit railway bridge pipeline connector relative settlement adjusting device disclosed, and comprising: hydraulic lifting device, is embedded in embankment body top along circuit bearing of trend interval; Concrete support layer, builds in embankment body top; Track plates, is arranged at concrete support layer top; Grouting Pipe, inserts bottom concrete support layer along circuit bearing of trend interval.It utilizes the jacking effect of hydraulic lifting device, raise concrete support layer and track plates height to meet orbital forcing requirement, utilize Grouting Pipe to carry out cement mortar filling and injecting slurry to the space stayed after concrete support layer lifting, thus supporting role is played to concrete support layer.But this non-fragment orbit railway bridge pipeline connector relative settlement adjusting device has following shortcoming and defect: (1), need permanently to bury a large amount of hydraulic lifting devices and Grouting Pipe in advance underground, this will significantly increase high ferro construction cost undoubtedly, also not be suitable for the high ferro after building up simultaneously and safeguard; (2), lifting is only limitted to the blank area of bridge and roadbed, and scale and the purposes of lifting are less; (3), after high ferro is built up for many years, when needs carry out sedimentation adjustment, cannot ensure that buried underground hydraulic lifting device and Grouting Pipe all can also normally work, if any one hydraulic lifting device wherein or Grouting Pipe are damaged, the package unit buried underground all will be scrapped, and this will cause the huge wasting of resources undoubtedly; (4), do not disclose/advise and to adopt any auxiliary or protective device/measure when lifting, this will force concrete support layer to produce stress deformation, even damaged; (5), do not disclose/advise and how to apply lifting force to avoid concrete support layer distortion/breakage.
Therefore, a kind of existing high-speed railway subgrade sedimentation repair system with actual operation is provided to become urgent problem in the industry.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide that a kind of cost is low, the duration is short, do not affect high-speed railway subgrade sedimentation repair system and the method for the safety/ride comfort of high ferro circuit.
According to an aspect of the present invention, a kind of high-speed railway subgrade sedimentation repair system is provided, it comprises: at least eight lifting members, at least eight lifting members are arranged in the lifting the preset point on bed plate, each lifting member comprises coupling part and jacking part, and coupling part is fixedly connected on bed plate at each lifting point place; At least eight hydraulic jacking devices, each hydraulic jacking device is arranged between the jacking part of high ferro roadbed and lifting member; Hydraulic pressure distributing equipment, hydraulic pressure distributing equipment is connected with each hydraulic jacking device by hydraulic line; Automatic control system, automatic controlling system hydraulic pressure distributing equipment provides default hydraulic pressure bed plate to be lifted away from high ferro roadbed predetermined altitude to each hydraulic jacking device; And grouting equipment, slurries to be poured in the gap that formed between bed plate and high ferro roadbed by grouting equipment by slurry line, with at grout cures rear support bed plate.
Selectively, this system comprises the lifting member of more than ten or ten, such as 20 or 30; This system comprises the hydraulic jacking device of more than ten or ten, such as 20 or 30.
Selectively, the coupling part of lifting member is provided with at least one connecting hole, and at least one bolt is screwed on the sidewall of bed plate at least one fixing hole that each lifting point place correspondence is drilled with through connecting hole.
Selectively, the length setting of at least one bolt is 1/1 to five/20th of the width of bed plate, and the diameter of at least one bolt is set as 1/1 to five/10th of the thickness of bed plate.
Preferably, the coupling part of lifting member is provided with at least two connecting holes, and at least two bolts are screwed at least two fixing holes that on the sidewall of bed plate, corresponding interval is drilled with at each lifting point place through at least two connecting holes.
Selectively, the interval between at least two connecting holes of lifting member is set as 4/2 to five/5ths of the thickness of bed plate.
Selectively, the coupling part of lifting member is the tabular vertically extended, and the jacking part of lifting member is the tabular extended perpendicular to coupling part and from side, coupling part surface level.
Selectively, the middle part of jacking part on the vertical direction of coupling part of lifting member extends, be provided with at least one between the upper surface of jacking part and the upper side surface of coupling part and strengthen gusset, the connecting hole that coupling part is arranged is positioned at the lower side surfaces of coupling part.
Selectively, comprise at least eight secondary lever arrangement further, each secondary lever arrangement be arranged at the coupling part of lifting member opposite side surface and bed plate on track plates sidewall between.
Preferably, each secondary lever arrangement comprises the flexible cushion block of rigid strutting piece and the setting of adjacent tracks plate.
Preferably, at least ten lifting members are arranged in the both sides of bed plate in pairs, and the line of the central point of often pair of lifting member is perpendicular to the longitudinal centre line of bed plate, and at least ten secondary lever arrangement are arranged between often pair of lifting member in pairs across track plates.
According to another aspect of the present invention, provide a kind of high-speed railway subgrade sedimentation restorative procedure adopting high-speed railway subgrade sedimentation repair system of the present invention, it comprises: (1), determine lifting point quantity on bed plate and position; (2), at determined each lifting point place, corresponding lifting member is installed; (3), corresponding hydraulic jacking device is arranged at determined each lifting point place; And (4), provide default hydraulic pressure bed plate to be lifted away from high ferro roadbed predetermined altitude to each hydraulic jacking device.
Particularly, the invention provides a kind of track plates and bed plate overall lifting type high ferro subgrade settlement restorative procedure, comprising: (1), determine lifting point quantity on bed plate and position; (2), at determined each lifting point place install corresponding lifting member, each lifting member comprises coupling part and jacking part, and coupling part is fixedly connected on bed plate at each lifting point place; (3), at determined each lifting point place arrange corresponding hydraulic jacking device, each hydraulic jacking device is arranged between the jacking part of high ferro roadbed and lifting member; And (4), provide default hydraulic pressure bed plate to be lifted away from high ferro roadbed predetermined altitude to each hydraulic jacking device.
Preferably, the step of default hydraulic pressure is provided to comprise to each hydraulic jacking device: each hydraulic jacking device first to bed plate side provides hydraulic pressure, lay down the hydraulic pressure of each hydraulic jacking device of bed plate side, each hydraulic jacking device again to bed plate opposite side provides hydraulic pressure, lay down the hydraulic pressure of each hydraulic jacking device of bed plate opposite side, each hydraulic jacking device simultaneously to bed plate both sides provides hydraulic pressure bed plate to be lifted away from high ferro roadbed predetermined altitude.
Preferably, also comprise after step (3) and before the step (4) and following steps are repeated at least three times: the default hydraulic pressure of 20% ~ 50% is provided to each hydraulic jacking device simultaneously, lays down the hydraulic pressure of each hydraulic jacking device.
Preferably, can also comprise the following steps before the step (1): the full payload calculating all load-carryings carried on the deadweight of bed plate and bed plate; Measure the compressive strength that bed plate can bear.
Selectively, all load-carryings carried on bed plate at least comprise one of following load-carrying: screed deadweight, track plates deadweight, rail deadweight.
Selectively, lifting point quantity on bed plate and position is determined according to calculated full payload and the compressive strength that measures.
Selectively, further comprising the steps of before step (1): the settling amount measuring high ferro roadbed, to determine the predetermined altitude that bed plate need be lifted away from high ferro roadbed.
Preferably, further comprising the steps of before step (1): the settling amount of high ferro roadbed is measured in piecewise, subregion ground, to determine the predetermined rising height of each lifting point of bed plate.
Preferably, according to the predetermined rising height of each lifting point, the hydraulic pressure provided to each hydraulic jacking device of correspondence is determined.
Preferably, after bed plate being lifted away from high ferro roadbed predetermined altitude, utilizing grouting equipment to pour into modified epoxy mortar in the gap formed between bed plate and high ferro roadbed, and lay down the hydraulic pressure of each hydraulic jacking device after modified epoxy mortar reaches initial setting strength.
Selectively, method of the present invention can comprise: (1), calculate the full payload of all load-carryings carried on the deadweight of bed plate and bed plate; (2) compressive strength that bed plate can bear, is measured; (3), according to calculated full payload and the compressive strength that measures, the lifting point quantity on bed plate and position is determined; (4), at determined each lifting point place install corresponding lifting member, each lifting member comprises coupling part and jacking part, and coupling part is fixedly connected on bed plate at each lifting point place; (5), at determined each lifting point place arrange corresponding hydraulic jacking device, each hydraulic jacking device is arranged between the jacking part of high ferro roadbed and lifting member; And (6), to each hydraulic jacking device provide setting hydraulic pressure bed plate to be lifted away from high ferro roadbed predetermined altitude.
Selectively, for the situation of Equalsettlement, also comprise the settling amount measuring high ferro roadbed, to determine the predetermined altitude that bed plate need be lifted away from high ferro roadbed.
Preferably, for the situation that sedimentation is uneven, also comprise segmentation, measure the settling amount of high ferro roadbed subregion, to determine the predetermined rising height of each lifting point of bed plate.
Grouting equipment is utilized to pour into modified epoxy mortar in the gap formed between bed plate and high ferro roadbed.Preferably, bed plate is lifted away from the hydraulic pressure that high ferro roadbed predetermined altitude keeps laying down after 1 ~ 3 hour each hydraulic jacking device, to be fallen by bed plate after modified epoxy mortar reaches initial setting strength.
The coupling part of lifting member is fixedly connected on bed plate to comprise and use at least one bolt to be screwed into through the connecting hole that coupling part is arranged the fixing hole that the sidewall of bed plate is drilled with.
Preferably, after being drilled with fixing hole, comprise the step pouring into bar planting cream further, and after 24 ~ 48 hours, the coupling part of lifting member is fixedly connected on bed plate pouring into bar planting cream.
More preferably, the step of high pressure aperture blowing is comprised further.
Selectively, the centre position on the longitudinal direction of fixing hole perpendicular to bed plate, the thickness direction in bed plate, 1/1 to five/20th of the width of bed plate is crept into from the sidewall of bed plate to the central authorities of bed plate.Such as 1/10th or 1/15th.
Selectively, the aperture of fixing hole is set as 1/1 to five/10th of the thickness of bed plate.Such as 1/7th or 1/8th.
Preferably, at least two fixing holes that on use at least two bolts to be each passed through sidewall that at least two connecting holes that coupling part is arranged are screwed into bed plate, interval is drilled with.
Selectively, the interval between at least two fixing holes at each lifting point place is set as 4/2 to five/5ths of the thickness of bed plate.
Selectively, the interval between at least two connecting holes of lifting member is set as more than at least 2 times of lifting member sheet metal thickness.
The all load-carryings carried on bed plate comprise be positioned on bed plate screed deadweight, be positioned on screed track plates deadweight, be positioned on track plates rail deadweight.
The all load-carryings carried on bed plate comprise be positioned on bed plate track plates deadweight, be positioned on track plates rail deadweight.
Preferably, each hydraulic jacking device is connected to same hydraulic pressure distributing equipment by hydraulic line.
Central control system hydraulic control distributing equipment provides hydraulic pressure to each hydraulic jacking device on request.
Selectively, auxiliary drop panel is extended from the lower horizontal on the opposite side surface of the coupling part of lifting member, the soffit of the upper surface next-door neighbour bed plate of auxiliary drop panel is arranged, and is provided with at least one and strengthens gusset between the soffit of auxiliary drop panel and the opposite side surface of coupling part.
Selectively, hydraulic pressure distributing equipment utilizes frequency control motor control oil pump, rely on the frequency regulating power supply, change motor speed, reach and make the continuously adjustable object of the flow of oil pump, being equipped with suitable automatically controlled and detection feedback system, decomposition pressure and displacement closed-loop control, just accurately can controlling each point hydraulic jacking device synchronous when being elevated.
Selectively, hydraulic pressure distributing equipment adopts the plunger displacement pump of flow form, and be provided with and all carry valve, reliable guarantee hydraulic jacking device is all in oil-feed speed regulating control when jacking and landing, alleviate hydraulic jacking device lifting handoff procedure in hydraulic shock on the impact of synchronization accuracy, all carry valve can leak free pinning hydraulic jacking device simultaneously, can ensure that hydraulic jacking device can not freely glide when accidental power failure, hydraulic jacking device is carried and year can not be in condition out of control.
Selectively, be also provided with pressure transmitter and displacement detector in this system, when hydraulic jacking device moves, pressure-detecting device just accurately can measure the load that hydraulic jacking device bears in real time; Simultaneous displacement checkout gear can measure the real-time displacement of hydraulic jacking device.
Selectively, the full control signal of this system, by PROFIBUS/DP high-speed industrial bus transfer, makes line number between each several part greatly reduce, improves the control performance of system, improve the reliability of system.Load and displacement signal are delivered to programmable logic controller by each pressure sensor and displacement transducer.According to operational order, drive frequency converter sets, pressure oil output makes corresponding hydraulic jacking device move.The pressure that programmable logic controller root Ju detects and displacement signal, continuous correction motion error, keeps each hydraulic jacking device load sync equalizing.
The invention has the beneficial effects as follows: provide a kind of high-speed railway subgrade sedimentation repair system, it can realize lifting under the prerequisite that guarantee high ferro circuit superstructure (earth construction on bedding) not destroy and globality does not change; Method of the present invention can be applicable to all kinds of template, has universality; Method of the present invention can meet skylight point job requirements flexibly.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 shows the schematic top plan view of the lifting system according to one embodiment of the present invention.
Fig. 2 shows the cross-sectional schematic along Fig. 1 center line A-A.
Fig. 3 shows the grouting schematic diagram according to one embodiment of the present invention.
Fig. 4 shows the flow chart of the lifting method according to one embodiment of the present invention.
Fig. 5 shows the front elevational schematic of the lifting member according to one embodiment of the present invention.
Fig. 6 shows the cross-sectional schematic of the lifting system according to another embodiment of the present invention.
Fig. 7 shows the cross-sectional schematic of the lifting system according to another embodiment of the present invention.
Detailed description of the invention
Following reference accompanying drawing specifically describes high-speed railway subgrade sedimentation repair system of the present invention.
Please refer to Fig. 1-Fig. 5, as a kind of non-limiting example, high-speed railway subgrade sedimentation repair system of the present invention comprises 22 lifting members, 100,22 hydraulic jacking devices 200, hydraulic pressure distributing equipment (not shown), automatic control system (not shown), eight grouting equipments 300.
In this non-limiting example, carry screed 700 on bed plate 500, be positioned at track plates 600 on screed 700, be positioned at rail 800 on track plates 600.Four track plates 600 are carried on bed plate 500.22 hydraulic jacking devices 200 are symmetrically distributed in the both sides of bed plate 500 at equal intervals.
Each lifting member 100 is arranged in the lifting the preset point on bed plate 500, and each lifting member 100 comprises coupling part 110 and jacking part 120, and coupling part 110 is fixedly connected on bed plate 500 at each lifting point place.
Each hydraulic jacking device 200 is arranged between the jacking part 120 of high ferro roadbed 400 and lifting member 100.Hydraulic pressure distributing equipment is connected with each hydraulic jacking device 200 by hydraulic line (not shown).Automatic controlling system hydraulic pressure distributing equipment provides default hydraulic pressure so that bed plate 500 is lifted away from high ferro roadbed 400 predetermined altitude to each hydraulic jacking device 200.
Slurries to be poured in the gap 450 that formed between bed plate 500 and high ferro roadbed 400 by grouting equipment 300 by slurry line 330, with at grout cures rear support bed plate 500.In this non-limiting example, the both sides of each track plates 600 arrange a grouting equipment 300 respectively.Certainly, less or more grouting equipment 300 can be set.Or, a grouting equipment 300 only can be set, and from diverse location, slurries be delivered to the gap 450 formed between bed plate 500 and high ferro roadbed 400 by multiple pipeline.
Please refer to Fig. 5, the coupling part 110 of lifting member 100 is provided with two connecting holes, 111, two bolts 900 and is screwed into two fixing holes 550 that on the sidewall of bed plate 500, corresponding interval is drilled with at each lifting point place through two connecting holes 111.Interval between two connecting holes 111 of lifting member 100 is set as about 3/5ths of the thickness of bed plate 500.The length setting of bolt 900 is about 1/10th of the width of bed plate 500.The diameter of bolt 900 is set as about 1/8th of the thickness of bed plate 500.
The coupling part 110 of lifting member 100 is the tabular vertically extended, and the jacking part 120 of lifting member 100 is perpendicular to coupling part 110 and from the tabular of coupling part one side surface 112 horizontal-extending.The middle part of jacking part 120 on the vertical direction of coupling part 110 of lifting member 100 extends, be provided with two between the upper surface 122 of jacking part 120 and the upper side surface 1122 of coupling part 110 and strengthen gusset 150, the connecting hole 111 that coupling part 110 is arranged is positioned at the lower side surfaces 1121 of coupling part 110.
As a kind of alternate embodiment, please refer to Fig. 6, comprise 22 secondary lever arrangement further, each secondary lever arrangement be arranged at the coupling part 110 of lifting member 100 opposite side surface 113 and bed plate 500 on track plates 600 sidewall between.Each secondary lever arrangement comprises the flexible cushion block 190 of rigid strutting piece 180 and adjacent tracks plate 600 setting.22 lifting members 100 are arranged in the both sides of bed plate 500 in pairs, the line (or line of the central point of the corresponding connecting hole of both sides lifting member) of the central point of often pair of lifting member 100 perpendicular to bed plate 500 longitudinal centre line (in figure 6, the longitudinal centre line of bed plate 500 is perpendicular to paper direction), 22 secondary lever arrangement are arranged between often pair of lifting member 100 across track plates 600 in pairs, the often pair of secondary lever arrangement about track plates 600 longitudinal centre line (in figure 6, the longitudinal centre line of track plates 600 is perpendicular to paper direction) axial symmetry.The concrete surface effectively can avoiding the stressed rear compressing bed plate 500 in the coupling part 110 of lifting member 100 is so set, prevents from causing concrete damaged.
As another kind of alternate embodiment, please refer to Fig. 7, auxiliary drop panel 160 is extended from the lower horizontal on the opposite side surface 113 of the coupling part 110 of lifting member 100, the soffit of the upper surface next-door neighbour bed plate 500 of auxiliary drop panel 160 is arranged, and is provided with two and strengthens gusset 170 between the soffit 166 of auxiliary drop panel 160 and the opposite side surface 113 of coupling part 110.Increase supporting force thus, prevent the concrete of bed plate 500 damaged.
Following description track plates of the present invention and bed plate overall lifting type high ferro subgrade settlement restorative procedure.As a kind of non-limiting example, the method comprises the following steps: (1), determine lifting point quantity on bed plate 500 and position, and every side of such as bed plate 500 arranges 11 the lifting points be spacedly distributed; (2), at determined each lifting point place install corresponding lifting member 100, install 22 lifting members altogether, the coupling part 110 of each lifting member is fixedly connected on bed plate 500 at each lifting point place by bolt 900; (3), at determined each lifting point place arrange corresponding hydraulic jacking device 200, arrange 22 hydraulic jacking devices altogether, each hydraulic jacking device is arranged between the jacking part 120 of high ferro roadbed 400 and lifting member 100; (4), provide default hydraulic pressure so that bed plate 500 is lifted away from high ferro roadbed 400 predetermined altitude to each hydraulic jacking device 200; And, (5) after, bed plate 500 being lifted away from high ferro roadbed predetermined altitude, utilize grouting equipment 300 to pour into modified epoxy mortar in the gap 450 formed between bed plate and high ferro roadbed, and after modified epoxy mortar reaches initial setting strength, lay down the hydraulic pressure of each hydraulic jacking device 200.
Particularly, in step (4), each hydraulic jacking device first to bed plate side provides hydraulic pressure, lay down the hydraulic pressure of each hydraulic jacking device of bed plate side, each hydraulic jacking device again to bed plate opposite side provides hydraulic pressure, lay down the hydraulic pressure of each hydraulic jacking device of bed plate opposite side, each hydraulic jacking device simultaneously to bed plate both sides provides hydraulic pressure bed plate to be lifted away from high ferro roadbed predetermined altitude.Further, also comprise after step (3) and before the step (4) and following steps are repeated three times: the default hydraulic pressure of 20% ~ 50% is provided to each hydraulic jacking device simultaneously, lays down the hydraulic pressure of each hydraulic jacking device.
As a kind of alternative scheme, track plates of the present invention and bed plate overall lifting type high ferro subgrade settlement restorative procedure comprises: the full payload of all load-carryings carried on (1), the deadweight calculating bed plate and bed plate; (2) compressive strength that bed plate can bear, is measured; (3), according to calculated full payload and the compressive strength that measures, the lifting point quantity on bed plate and position is determined; (4), at determined each lifting point place install corresponding lifting member, each lifting member comprises coupling part and jacking part, and coupling part is fixedly connected on bed plate at each lifting point place; (5), at determined each lifting point place arrange corresponding hydraulic jacking device, each hydraulic jacking device is arranged between the jacking part of high ferro roadbed and lifting member; And (6), to each hydraulic jacking device provide setting hydraulic pressure bed plate to be lifted away from high ferro roadbed predetermined altitude.And, also comprise after step (5) and before the step (6) and repeatedly add release step, process step first time as shown in Figure 4 pressurize S100, first time release S200, second time to pressurize S300, second time release S400, third time pressurization pressurize S500.
Although describe the preferred embodiment of the present invention in detail at this, but should be understood that the present invention is not limited to the concrete structure and step described in detail and illustrate here, other modification and variant can be realized when not departing from the spirit and scope of the invention by those skilled in the art.In addition disclosed various parameters suitably can be chosen in scope disclosed in this invention according to concrete application conditions.In addition each disclosed construction sequence also suitably can increase and decrease according to concrete application conditions or adjustment order.
Claims (10)
1. a high-speed railway subgrade sedimentation repair system, comprising:
At least eight lifting members, described at least eight lifting members are arranged in the lifting the preset point on bed plate, each described lifting member comprises coupling part and jacking part, and described coupling part is fixedly connected on described bed plate at each described lifting point place;
At least eight hydraulic jacking devices, each described hydraulic jacking device is arranged between the jacking part of high ferro roadbed and described lifting member;
Hydraulic pressure distributing equipment, described hydraulic pressure distributing equipment is connected with each described hydraulic jacking device by hydraulic line;
Automatic control system, hydraulic pressure distributing equipment described in described automatic controlling system provides default hydraulic pressure described bed plate to be lifted away from described high ferro roadbed predetermined altitude to each described hydraulic jacking device; And
Grouting equipment, slurries to be poured in the gap that formed between described bed plate and described high ferro roadbed by described grouting equipment by slurry line, with bed plate described in grout cures rear support.
2. high-speed railway subgrade sedimentation repair system as claimed in claim 1, it is characterized in that, the coupling part of described lifting member is provided with at least two connecting holes, and at least two bolts are screwed at least two fixing holes that the sidewall of described bed plate is drilled with at corresponding interval, each described lifting point place through described at least two connecting holes.
3. high-speed railway subgrade sedimentation repair system as claimed in claim 2, it is characterized in that, the described coupling part of described lifting member is the tabular vertically extended, and the described jacking part of described lifting member is the tabular extended perpendicular to described coupling part and from side, described coupling part surface level.
4. high-speed railway subgrade sedimentation repair system as claimed in claim 3, it is characterized in that, the middle part of described jacking part on the vertical direction of described coupling part of described lifting member extends, be provided with at least one between the upper surface of described jacking part and the upper side surface of described coupling part and strengthen gusset, the described connecting hole that described coupling part is arranged is positioned at the lower side surfaces of described coupling part.
5. high-speed railway subgrade sedimentation repair system as claimed in claim 4, it is characterized in that, comprise at least eight secondary lever arrangement further, each described secondary lever arrangement be arranged at the described coupling part of described lifting member opposite side surface and described bed plate on track plates sidewall between.
6. high-speed railway subgrade sedimentation repair system as claimed in claim 5, is characterized in that, each described secondary lever arrangement comprises the flexible cushion block of rigid strutting piece and contiguous described track plates setting.
7. high-speed railway subgrade sedimentation repair system as claimed in claim 6, it is characterized in that, described at least eight lifting members are arranged in the both sides of described bed plate in pairs, the line of the central point of often pair of described lifting member is perpendicular to the longitudinal centre line of described bed plate, and described at least eight secondary lever arrangement are arranged between often pair of described lifting member in pairs across described track plates.
8. adopt a high-speed railway subgrade sedimentation restorative procedure for the high-speed railway subgrade sedimentation repair system according to any one of claim 1 ~ 7, comprising:
(1) the lifting point quantity on bed plate and position, is determined;
(2), at determined each lifting point place, corresponding lifting member is installed;
(3), corresponding hydraulic jacking device is arranged at determined each lifting point place; And
(4), provide default hydraulic pressure so that described bed plate is lifted away from high ferro roadbed predetermined altitude to each described hydraulic jacking device.
9. high-speed railway subgrade sedimentation restorative procedure as claimed in claim 8, it is characterized in that, step (4) comprising: each described hydraulic jacking device first to described bed plate side provides hydraulic pressure, lay down the hydraulic pressure of each described hydraulic jacking device of described bed plate side, each described hydraulic jacking device again to described bed plate opposite side provides hydraulic pressure, lay down the hydraulic pressure of each described hydraulic jacking device of described bed plate opposite side, each described hydraulic jacking device simultaneously to described bed plate both sides provides hydraulic pressure described bed plate to be lifted away from described high ferro roadbed predetermined altitude.
10. high-speed railway subgrade sedimentation restorative procedure as claimed in claim 8, it is characterized in that, also comprise after described step (3) and before described step (4) and following steps are repeated at least three times: the described default hydraulic pressure of 20% ~ 50% is provided to each described hydraulic jacking device simultaneously, lays down the hydraulic pressure of each described hydraulic jacking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310741552.3A CN103757993B (en) | 2013-12-27 | 2013-12-27 | High-speed railway subgrade sedimentation repair system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310741552.3A CN103757993B (en) | 2013-12-27 | 2013-12-27 | High-speed railway subgrade sedimentation repair system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103757993A CN103757993A (en) | 2014-04-30 |
| CN103757993B true CN103757993B (en) | 2016-02-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131498B (en) * | 2014-08-12 | 2016-03-16 | 中国铁道科学研究院铁道建筑研究所 | A kind of for curved section sedimentation non-fragment orbit lifting restorative procedure |
| CN104452484A (en) * | 2014-11-10 | 2015-03-25 | 中国铁道科学研究院铁道建筑研究所 | Repair method for ballastless track foundation settlement |
| CN104988816A (en) * | 2015-05-26 | 2015-10-21 | 上海同罡建筑工程有限公司 | Track board lifting method |
| CN104928999B (en) * | 2015-06-18 | 2017-07-04 | 董明 | A kind of non-fragment orbit lifting deviation correcting device and lifting restorative procedure |
| CN106436492A (en) * | 2015-12-30 | 2017-02-22 | 中国铁道科学研究院铁道建筑研究所 | Maintaining method of base plates of CRTS II-shaped plate type ballastless tracks |
| CN105625124B (en) * | 2015-12-31 | 2017-03-29 | 中国铁路总公司 | Ballastless track of high-speed railway subgrade settlement repairing quality detecting and control method |
| CN105803877B (en) * | 2016-04-18 | 2018-01-30 | 浙江大学包头工业技术研究院 | High ferro subgrade settlement harnessing project midsole seat board lifting apparatus |
| CN105970747A (en) * | 2016-05-20 | 2016-09-28 | 上海同罡建筑工程有限公司 | Steel member for track board lifting and jacking method of steel member |
| CN105951536B (en) * | 2016-05-31 | 2017-07-21 | 中铁第四勘察设计院集团有限公司 | A kind of restorative procedure for switch area plate-type ballastless track |
| CN109868691B (en) * | 2017-12-01 | 2024-01-05 | 中铁二院工程集团有限责任公司 | Deformation-adjustable high-speed railway roadbed structure, construction method and settlement deformation adjustment method |
| CN112176793A (en) * | 2019-07-02 | 2021-01-05 | 北京华铁时代建设发展有限公司 | Repairing method for ballastless track settlement |
| CN110565448B (en) * | 2019-09-20 | 2024-03-12 | 中铁二院工程集团有限责任公司 | Liftable ballastless track structure and adjusting method thereof |
| CN111074703B (en) * | 2020-01-08 | 2021-08-17 | 成都市新筑路桥机械股份有限公司 | Maintenance method for uneven settlement of roadbed of embedded track steel groove type ballast bed |
| CN112663412B (en) * | 2021-03-16 | 2021-06-08 | 西南交通大学 | Track structure passing through movable fault tunnel and correction construction method |
| CN113026444A (en) * | 2021-03-17 | 2021-06-25 | 哈尔滨工业大学 | High-cold-region high-speed railway bridge transition section vibration reduction and deformation self-regulation composite track structure |
| CN113089394A (en) * | 2021-03-26 | 2021-07-09 | 西南交通大学 | Mechanical lifting and grouting reinforcement rapid repairing method for supporting layer of double-block ballastless track |
| CN114032711A (en) * | 2021-12-22 | 2022-02-11 | 济南海依兰机电液压有限公司 | Ballastless track structure foundation settlement repairing method |
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