CN109208412A - Inter-city passenger rail fragment-free track slab Disease Treatment method and operating system - Google Patents

Abstract

The present invention discloses a kind of inter-city passenger rail fragment-free track slab Disease Treatment method and operating system, the system includes: detection device, it is detected for the concrete bottom seat board to subgrade defect section, there is the designed concrete base plate for hanging empty region with the determining bedding with lower section；First drilling equipment, for drilling out several first type injected holes in the side for hanging empty region；First chemical pulp grouting device, for injecting the first chemical pulp in several first type injected holes to close the side for hanging empty region；Second drilling equipment, for drilling out several second type injected holes above empty region hanging；And the second chemical pulp grouting device, empty region is hung for injecting the second chemical pulp in several second type injected holes to fill.

Description

Inter-city passenger rail fragment-free track slab Disease Treatment method and operating system

Technical field

The invention belongs to high-speed railway maintenance fields, specifically, being related to a kind of inter-city passenger rail fragment-free track slab disease Evil regulation method and system.

Background technique

By the high speed railway construction of many years, China has built up worldwide largest High-speed Railway Network.At a high speed Railway generallys use plate-type ballastless track, and the Beijing-Shanghai of China, Beijing-to-Shijiazhuang be military, Beijing-Tianjin, the saliva Qin, Harbin-to-Dalian, Shanghai and Nanjing, Shanghai-Hangzhou, Ningbo-Hangzhou are contour Fast railway is all made of platy ballastless track structure, and connects the main track overall length of Shanghai-Nanjing Railway visitor's special line in Shanghai and Nanjing 300.329km, wherein Jiangsu long 266.68km within the border, Shanghai long 32.05km within the border, is current China or even standard is most in the world The most fast intercity high-speed rail of height, mileage longest, overall trip speed.Line for Passenger Transportation design in Shanghai and Nanjing uses CRTS-I plate-type non-fragment orbit, Track structure top be pre-stress rail plate, CA mortar injection layer and reinforced concrete footing plate (abbreviation concrete bottom seat board), Lower part bedding is graded broken stone surface layer and AB filler bottom.

However, staff has found in inspection in the use process of Shanghai and Nanjing Line for Passenger Transportation, and when motor-car passes through, portion The concrete bottom seat board in point location has slurry to be extruded with bedding graded broken stone surface interface, and the rainy day is particularly evident, and Individual concrete base plate locally hangs sky phenomenon, if regulation may not jeopardize the riding quality of Shanghai and Nanjing Line for Passenger Transportation as early as possible.

It is found by reconnaissance trip and analysis, this disease position of fragment-free track slab mainly appears on armored concrete and holds Double-layer and rubble rolling layers engaging portion, it is possible thereby to be inferred to, disease causes are that rolled broken stone layer rolls not consolidation and leads to itself Intensity is not high, in addition the intrusion of water, causes bedding graded broken stone layer fine aggregate in high-speed railway dynamic stress effect further aspect Itself sliming, another aspect aggregate accelerates the development of sliming after being softened, so as to cause Defect of Foundation Bed of Express.In addition, by It is filled between expansion joint between adjacent reinforced concrete footing plate using the very poor general fibre plate of waterproof performance, Therefore the expansion joint between adjacent reinforced concrete footing plate is also closed not tight, in addition, concrete bottom seat board side and road There is also gaps between shoulder surface concrete confining bed, so that external water is easier to penetrate into inside bedding.

Chinese patent application, which discloses No. 104404844A and discloses a kind of platy ballastless track structure filling layer off-seam, repairs It is added with solid method, this method comprises: step 1: in filling layer off-seam area track plate face vertical drilling；Step 2: in track plates face Bore position is anchored；Step 3: slip casting reparation is carried out for filling layer off-seam region.However the reparation of the patent disclosure adds Solid method has the disadvantages that and insufficient: (1), this method need the bore position to track plate face to anchor；(2), the party Method merely discloses the repairing and reinforcement to structure filling layer off-seam, and do not disclose/suggest adjacent reinforced concrete footing plate it Between expansion joint and concrete bottom seat board side and road shoulder concrete enclosing layer between existing gap closed reinforcement, because This not can avoid external water and penetrates into inside bedding again；(3) it does not disclose/suggests how in guiding discharge filling layer off-seam Water.

Therefore it provides a kind of expansion joint and concrete bottom seat board that can effectively seal between reinforced concrete footing plate One is gone forward side by side so that external water be avoided to penetrate into inside bedding again in existing gap between side and road shoulder concrete enclosing layer The inter-city passenger rail fragment-free track slab Disease Treatment method that step avoids reinforced concrete footing plate from occurring hanging sky phenomenon becomes anxious in the industry Problem to be solved.

Summary of the invention

In view of the deficiencies of the prior art, the purpose of the present invention is to provide one kind can effective fill concrete base plate and base The inter-city passenger rail fragment-free track slab Disease Treatment method for hanging empty region between bed.

To achieve the goals above, the present invention provides a kind of inter-city passenger rail fragment-free track slab Disease Treatment methods, comprising: (1), it is detected using concrete bottom seat board of the geological radar to subgrade defect section, the determining bedding with lower section, which exists, hangs dead zone The designed concrete base plate in domain；(2), respectively between designed concrete base plate and the concrete bottom seat board of adjacent both ends The first chemical pulp is perfused to form the end closed at both ends for hanging empty region in expansion joint；(3), respectively to designed concrete base plate and two The first chemical pulp is perfused to form the two sides closed side for hanging empty region in gap between dypass shoulder concrete enclosing layer；And (4), Be perfused in the space surrounded to designed concrete base plate, bedding, end closed at both ends and two sides closed side the second chemical pulp with Empty region is hung in filling.

Selectively, in step (1), can be used GSSI company of the U.S. geological radar SIR20 host and 400MHz days Line carries out arrangement of measuring-line to scene, to detect the concrete bottom seat board of subgrade defect section.

Selectively, the curing time for the first chemical pulp being perfused in step (2) and (3) is 5~15 minutes, is had The characteristics of high temperature does not soften, low temperature does not crack, anticorrosion, caking property is strong, expansion and contraction is big, natural coagulation forms after liquid grouting. Preferably, the first chemical pulp include 50~70 parts by weight of isocyanates, 15~25 parts by weight of polyethers, 3~15 parts by weight of plasticizer, 0.5~1.5 parts by weight of 1~5 parts by weight of foam stabiliser and surfactant.

It is highly preferred that isocyanates is toluene di-isocyanate(TDI), diphenyl methane -4,4,-diisocyanate or more methylenes Quito polyphenyl polyisocyanate；Polyethers is the low molecular polyether polyalcohol of two degrees of functionality or three-functionality-degree, molecular weight is 200~ 5000, hydroxyl value is 40~600mgKOH/g；Plasticizer is diethyl phthalate or dioctyl phthalate；Foam is steady Determining agent is polyalkamer silicomethane；Surfactant is polyvinylpyrrolidone or Tween 80.

Selectively, the curing time for the second chemical pulp being perfused in step (4) is 15~20 minutes, is had following Performance: 1) having good mobility, convenient for filling pouring construction；2) elasticity modulus be higher than concrete, lower than bedding gradation it is broken Stone surface can improve the stress performance between surface layer of subgrade bed and concrete bottom seat board；3) there is hydrophily and permeability, it can be with water Operation and internal residual water/mud generate good haptoreaction, can improve the bedding graded broken stone surface layer of part slurry； 4) it is had a certain degree of cohesiveness between concrete；5) intensity, durability are not less than graded broken stone surface layer.Preferably, the second chemistry Slurry include component A and B component, wherein component A include 100 parts by weight epoxy resin, 10~25 parts by weight organic acids, 0.1~ 0.5 part by weight of catalyst, 0.1~0.5 parts by weight polymerization inhibitor and 90~130 parts by weight diluent；B component includes 38~55 weights Measure part acrylic compounds, 5~10 parts by weight toughener, 6.0~9.0 parts by weight initiators and 0.5~1.0 parts by weight Promotor.

It is highly preferred that epoxy resin is bisphenol A epoxide resin or bisphenol F epoxy resin；Diluent is methyl methacrylate Ester, butyl methacrylate or trimethylolpropane trimethacrylate；Toughener is fourth rouge rubber, butyl rubber or neoprene rubber Glue；Catalyst is benzyltriethylammoinium chloride or tetrabutylammonium bromide；Polymerization inhibitor is 2,6- di-tert-butyl hydroquinone, 2, 6- dinitro p-cresol, hydroquinone, p-tert-Butylcatechol or p-hydroxyanisole；Promotor be sodium hydrogensulfite, Sodium sulfite, sodium thiosulfate, frerrous chloride or stannous chloride；Initiator is ammonium persulfate, potassium peroxydisulfate or hydrogen peroxide； Organic acid is glacial acetic acid, acrylic acid or oxalic acid.

Preferably, step (2) includes: (2-1), transversely and horizontally drills to boss in two middle side part of expansion joint position, with Form a horizontal drilling；The fiberboard and clast filled in the expansion joint position on (2-2), removing horizontal drilling top；And (2- 3) after the first chemical pulp, is perfused to the side of horizontal drilling, continue that the first chemical pulp is perfused to the other side of horizontal drilling, until Entire expansion joint perfusion is full, to form the end closed at both ends for hanging empty region.Specifically, step (2-1) includes: to stretch each Contract the first side stitched, the second side brill in the middle part in the short transverse of expansion joint along horizontal direction towards each expansion joint First lateral hole section out, the second side at each expansion joint, in the middle part in the short transverse of expansion joint along horizontal direction court The first side at each expansion joint drill out the second lateral hole section, also, the first lateral hole section and the second lateral hole section are bored respectively Central location to the transverse direction at expansion joint, so that the first lateral hole section is connected to form a horizontal brill with the second lateral hole section Hole, the diameter of horizontal drilling is greater than the width at expansion joint and is less than five times of the width at expansion joint, for example, the diameter of horizontal drilling About three times of the width at expansion joint.

Wherein, boss is a kind of using cylindrical reinforced concrete structure, and bottom is linked together with concrete bottom seat board, Upper cylinder top surface and track plates either flush, main function are to prevent track plates from occurring along the vertical or horizontal position of route It moves, guarantees Track regularity, play position-limiting action.Furthermore it is preferred that in step (2-1), the diameter of horizontal drilling is 63mm。

Preferably, step (3) includes: (3-1), on road shoulder concrete enclosing layer, along concrete bottom seat board longitudinal gap Multiple gap closing holes are tiltedly bored, are inserted to gap with oblique, the angular range in the second chemical pulp gap closing hole is 40~50 degree；With And (3-2), the first chemical pulp is perfused into gap closing hole, hang the two sides closed side of empty region to form the second chemical pulp.

Preferably, road shoulder concrete enclosing layer is located on the outside of concrete bottom seat board at about 25cm, along concrete bottom seat board The gap closing hole of longitudinal every 20~30cm oblique drilling hole diameter about 8cm.

Preferably, step (4) includes: (4-1), in concrete bottom seat board two sides, along the line direction of concrete bottom seat board It drills through concrete bottom seat board vertically to form multiple injected holes above empty region hanging, grouting nozzle is installed in injected hole, wherein Grouting nozzle is inserted in injected hole by the closing of joint seal glue；(4-2), grouting nozzle is connect with air hose one end, to utilize high-pressure blast It carries out borehole cleaning and squeezes the water and grey slurry hung in empty region；And (4-3), grouting nozzle connect with grouting pump, by second Chemical pulp pressure grouting is to hanging in empty region.

Preferably, in step (4-1), at concrete bottom seat board both sides of the edge 10cm, along concrete bottom seat board Longitudinal direction vertically drill through concrete bottom seat board, hole depth about 30cm, aperture 8cm, to hang shape at empty region every 50cm At multiple injected holes, grouting nozzle is installed in time after the completion of drilling.

Selectively, in step (4-1), when being located at expansion joint two sides 2m range, then along the line of concrete bottom seat board Road direction is every 30cm and presses quincuncial arrangement injected hole.

Preferably, in step (4-3), the pressure grouting grouting nozzle that is located at the two sides of concrete bottom seat board first, and fill Injection pressure power is less than 0.3Mpa, then again pressure grouting be located at concrete bottom seat board centre grouting nozzle, and injection pressure is less than 0.4Mpa。

Selectively, in step (4-3), when overflowing slurries in adjacent in filling process or opposite grouting nozzle, then Stop slip casting and close this grouting nozzle, changes hole perfusion.

Selectively, the present invention can be after step (1), don't be to designed concrete base plate and two sides road shoulder concrete The first chemical pulp is perfused in gap between confining bed, is then just perfused into the space between designed concrete base plate and bedding Second chemical pulp hangs empty region to fill, then again respectively to the concrete bottom seat board of designed concrete base plate and adjacent both ends Between expansion joint be perfused the first chemical pulp, thus to reduce the dynamic load deformation caused by concrete bottom seat board when train passes through, But also the destruction of the early strength growth to the first chemical pulp at expansion joint position can be reduced.

Selectively, further include step (5): the water in bedding is penetrated into setting for ejectment under road shoulder concrete enclosing layer Blind pipe drainage system.

Preferably, step (5) includes: (5-1), is corresponding to expansion joint and hanging the road shoulder concrete enclosing layer at empty region Under open up rhone, be equipped in rhone and draw weeper drain；(5-2), PVC drain pipe is placed in weeper drain drawing, PVC draining Interleaved is equipped with permeable hole on the tube wall of pipe, wraps up PVC drain pipe using permeable geotextiles；Bottom in rhone is used into water Cement mortar plastering, will fill up medium coarse sand in rhone, will be closed at the top of rhone using plain concrete；And (5-3), by PVC Drainpipe passes through road shoulder cable trough and leads to outside roadbed.

Selectively, in step (5-1), corresponding to the expansion joint of concrete bottom seat board and hanging at empty region, opening up Rhone is seriously located hanging empty region, can be spaced 1~2m and is just arranged and draw weeper drain.

Selectively, in step (5-2), PVC drain pipe tube wall is just staggeredly beaten permeable hole every 5~10cm.

According to another aspect of the present invention, a kind of used work of inter-city passenger rail fragment-free track slab Disease Treatment method is provided Industry system, comprising: detection device is detected for the concrete bottom seat board to subgrade defect section, with the determining base with lower section There is the designed concrete base plate for hanging empty region in bed；First drilling equipment, for drilling out several in the side for hanging empty region One type injected hole；First chemical pulp grouting device hangs sky for injecting the first chemical pulp in several first type injected holes to close The side in region；Second drilling equipment, for drilling out several second type injected holes above empty region hanging；And second chemistry Grouting device is starched, hangs empty region for injecting the second chemical pulp in several second type injected holes to fill.

Selectively, detection device is geological radar.

The beneficial effects of the present invention are: by mixed to the expansion joint at the both ends of designed concrete base plate and target respectively The first chemical pulp of perfusion in the gap of solidifying soil base plate two sides, not only enclose the expansion joint between adjacent concrete base plate with And the gap between concrete bottom seat board and road shoulder concrete enclosing layer, prevent water from invading bedding again, at the same also assure to The surrounding for hanging empty region of perfusion is formed with the sealing ring of rectangle and is in closed state；In addition, by hanging in empty region Second chemical pulp with good hydrophilic performance is perfused, enables to react with the water in bedding, it will be in bedding gap Water reaction is removed, while the good mobility of the second chemical pulp, additionally it is possible to and the hole filling of bedding is full, it eliminates and hangs sky There is phenomenon of bursting and become muddy when a thaw sets in again in region；Importantly, the slurry knot object consolidation strength that the second chemical pulp is formed after hardening is big, load-bearing Property it is strong, can satisfy completely Train induced load effect under load-bearing requirements.In addition, the present invention is also additionally arranged blind pipe drainage system, To will further penetrate into outside the water ejectment to roadbed in bedding.

Detailed description of the invention

The following further describes the present invention with reference to the drawings.

Fig. 1 shows the structure chart of plate-type ballastless track.

Fig. 2 shows the processes of inter-city passenger rail fragment-free track slab Disease Treatment method according to an embodiment of the present invention Figure.

Fig. 3 shows the processing schematic at perfusion closing expansion joint according to an embodiment of the present invention.

Fig. 4 shows gap closing hole according to an embodiment of the present invention and the structure distribution schematic diagram of injected hole.

Fig. 5 shows the structural schematic diagram for installing grouting nozzle according to an embodiment of the present invention.

Fig. 6 shows the section for drawing weeper drain at concrete bottom seat board expansion joint according to an embodiment of the present invention Figure.

Fig. 7 show according to an embodiment of the present invention hang the sectional view for drawing weeper drain at empty region.

Fig. 8 shows the organigram of the inter-city passenger rail fragment-free track slab Disease Treatment operating system of invention.

Specific embodiment

Inter-city passenger rail fragment-free track slab Disease Treatment method of the invention is specifically described referring next to attached drawing.

Fig. 1 is please referred to, plate-type ballastless track of the invention is CRTS-I type, and track structure top is pre-stress rail plate 100, CA mortar injection layer 200, reinforced concrete footing plate 300, lower part bedding 400 are graded broken stone surface layer.

As shown in Figure 1, the two sides of concrete bottom seat board 300 are equipped with road shoulder surface concrete confining bed 500, concrete bed Just it is disease region between plate 300 and bedding 400, that is, hangs empty region 600.In addition, referring to figure 3., adjacent concrete bed There are expansion joints 310 between plate 300.

Referring to figure 2., as a kind of non-limiting example, inter-city passenger rail fragment-free track slab Disease Treatment method of the invention Include: to be detected using geological radar to the concrete bottom seat board of subgrade defect section, is deposited between the determining and bedding 400 of lower section In the step S1 for the designed concrete base plate 300 for hanging empty region 600, respectively to designed concrete base plate 300 and adjacent two The first chemical pulp is perfused to form the end closed at both ends for hanging empty region 600 in expansion joint 310 between the concrete bottom seat board at end Step S2, it is filled respectively to the gap (not labeled) between designed concrete base plate 300 and two sides road shoulder concrete enclosing layer 500 The first chemical pulp of note to form the step S3 for the two sides closed side for hanging empty region 600, to designed concrete base plate 300, bedding 400, the second chemical pulp is perfused in the space that end and two sides closed at both ends closed side surrounds to fill the step of hanging empty region 600 The S4 and step S5 that blind pipe drainage system is set under road shoulder concrete enclosing layer 500.

When the expansion joint 310 between adjacent concrete base plate 300 is closed in perfusion, referring to figure 3., stretched first each The first side of contracting seam 310 and middle part in 310 short transverse of expansion joint are along horizontal direction towards each expansion joint 310 Second side drill out the first lateral hole section, then expansion joint 310 second side and in 310 short transverse of expansion joint Middle part drill out the second lateral hole section, also, the first transverse holes along the first side at horizontal direction towards each expansion joint 310 Section and the second lateral hole section are drilled into the central location in the transverse direction at expansion joint 310 respectively, so that the first lateral hole section and the Two lateral hole sections are connected to form a horizontal drilling 320, and the diameter of horizontal drilling 320 is about three times of the width at expansion joint 310.? After removing the fiberboard and clast filled in 310 position of expansion joint on 320 top of horizontal drilling, just start to horizontal drilling 320 Side the first chemical pulp is perfused, then continue that the first chemical pulp is perfused to the other side of horizontal drilling 320 again, until entirely stretch 310 perfusion of contracting seam is full, to close entire expansion joint 310.Sky is being hung between concrete bottom seat board 300 and bedding 400 Before region 600 is handled, need to fill the gap between concrete bottom seat board 300 and road shoulder concrete enclosing layer 500 Note sealing, as a kind of alternate embodiment, referring to figure 4., the road at the about 25cm of 300 two sides of concrete bottom seat board respectively On shoulder concrete enclosing layer 500, along the gap closing hole of the longitudinal every 25cm oblique drilling hole diameter of concrete bottom seat board 300 about 8cm 510, about 45 degree of gradient.Dirt and soft layer are being cleared up with angle grinder, wire brush polishing, and is rinsing gap envelope well with high-pressure blast After closed pore 510, the first chemical pulp is perfused into gap closing hole 510, can not only close crack, prevents the bedding of water immersion in the future 400, and may also be ensured that 300 bottom mortar depositing construction of concrete bed plate when space sealing.

In the present invention, it can reach encapsulating intensity after 5~10 minutes, the 15 minutes presetting period of the first chemical pulp to want It asks.

In the present invention, empty region is hung between fill concrete base plate 300 and the graded broken stone surface layer of bedding 400 600 be the key that processing disease, and result will directly reflect Disease Treatment effect, and it is mixed next to describe perfusion closing of the invention The process for hanging empty region 600 between solidifying soil base plate 300 and 400 surface layer of bedding.As a kind of non-limiting example, regulation Working measure is at the fringe region of the two sides 10cm of concrete bottom seat board 300, and the line direction along concrete bottom seat board is every Several injected holes 330 are drilled out every the interval 50cm, so that empty region 600 is hung in connection.As shown in figure 5, the joint seal glue of injected hole 330 350 carry out joint seal, just install grouting nozzle 340 in time after intensity reaches, then, the closing intensity to grouting nozzle 340, which reaches, to be wanted After asking, grouting nozzle 340 connect with air hose one end by quick connector it is closely knit, to carry out borehole cleaning using high-pressure blast and exclusion is hung Water in empty region and grey slurry, finally, grouting nozzle 340 is connect with grouting pump, by the second chemical pulp pressure grouting to hanging sky In region 600.

During joint seal, the present invention uses 1 quick-dry type joint seal glue of J-, and curing rate is influenced by environmental temperature, Temperature more high solidification is faster, and the presetting period is about 5~20 minutes, can reach intensity after waiting 1~2 hour, to be filled Slurry.During pressure grouting, since the second chemical pulp is A, B two-component, component A by volume when in use: B component=1: 1 ratio is used in mixed way, and the present invention is infused using the dedicated two-component chemistry of GR-75 of Beijing China Railway Ruiwei Foundation Engineering Co., Ltd. Stock pump carries out continuous pouring.Grouting pressure needs are kept constant continuously, and guarantee disposably to be perfused full.Concrete operations are as follows: first First pressure grouting is located at the grouting nozzle 340 of the two sides of concrete bottom seat board 300, and guarantees that injection pressure is less than 0.3Mpa, then Pressure grouting is located at the grouting nozzle 340 of the centre of concrete bottom seat board 300 again, and guarantees that injection pressure is less than 0.4Mpa.It is filling It needs to carry out real-time monitoring during slurry, when overflowing slurries in adjacent in filling process or opposite grouting nozzle, then stop Only slip casting and close this grouting nozzle, change hole perfusion, until be thoroughly perfused it is full after terminate to be in the milk.

Second chemical pulp of pressure injection of the present invention has certain hydrophily, can react with water, will be in gap Water reaction is removed, while also having good mobility, and hole filling can be made full；And by adjusting component A and B component Between ratio, the curing time of slurry can also be adjusted, and compression strength of second chemical pulp after solidifying 90 minutes becomes 3mpa can be greater than, compression strength is not less than 40Mpa after pouring material 3 days, while dynamic modulus of elasticity is in 55Mpa-65Mpa.The following table 1 For the partial properties index of the second chemical pulp of the invention.

Table 1

After closing all holes, need to add ejectment water system water remaining in bedding 400 is discharged.Please refer to figure 6 and Fig. 7 is corresponding to the expansion joint 310 of concrete bottom seat board 300 and is hanging at empty region 600, opening up rhone 700, hanging sky Region 600 is seriously located, and can be spaced 1m and just be arranged and draw weeper drain, PVC drain pipe 710 is placed in weeper drain drawing, PVC is drained The tube wall of pipe 710 is just staggeredly beaten permeable hole every 5cm, and wraps up PVC drain pipe 710 using permeable geotextiles；Rhone Bottom is plastered using cement mortar 720 in 700, and medium coarse sand 730 will be filled up in rhone 700, is mixed at the top of rhone 700 using element Solidifying soil 740 is closed.

It is detected respectively by radar by the method for the present invention treated track plates and untreated fragment-free track slab, it is right Than discovery: firstly, the waveform comparison of the road heart of untreated fragment-free track slab is mixed and disorderly, and the road heart of treated fragment-free track slab Waveform it is then very smooth；In addition, there is cavity in the track plates survey line of untreated fragment-free track slab, and treated non-fragment orbit The track plates survey line of plate is then filled full after grouting.Further, make to observe concrete bottom seat board 300 in DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES Vertical tremor relief intensity under, the present invention is using bridge HFFKY-II crackle measuring system to concrete bottom seat board 300 End is observed, and position is both to hang empty serious place and relief intensity maximum, the concrete bottom seat board 300 after grouting herein When train passes through, vertical tremor relief intensity is only 0.10mm, it can be seen that, through method of the invention, treated without tiny fragments of stone, coal, etc. rail Guidance tape can fully meet the load-bearing requirements under Train induced load effect.

Fig. 8 is please referred to, the present invention also provides a kind of inter-city passenger rail fragment-free track slab Disease Treatment operating systems, comprising: It is movably disposed on inter-city passenger rail non-fragment orbit road shoulder there is the mesh for hanging empty region to the determining bedding with lower section Mark the detection device (not shown) of concrete bottom seat board；The side for hanging empty region is installed on to drill out several first type injected holes The first drilling equipment (not shown)；The side for hanging empty region is installed on in the first chemistry of several first type injected holes injection First chemical pulp grouting device (described below) of slurry；The top for hanging empty region is installed on to drill out several second type injected holes The second drilling equipment (not shown)；And the top for hanging empty region is installed on to inject second in several second type injected holes Second chemical pulp grouting device (described below) of chemical pulp.In the non-limiting embodiment, detection device is geology thunder It reaches.

First chemical pulp grouting device includes that slip casting machine 900, the slip casting being connected to the grout outlet of slip casting machine by pipeline are total Pipe 910, several slip casting branch pipes 920 being connected to respectively with slip casting general pipeline 910 by slurries delivery pipe.Each slip casting branch pipe is horizontal It is inserted into each first type injected hole.

Second chemical pulp grouting device includes that slip casting machine 800, the slip casting being connected to the grout outlet of slip casting machine by pipeline are total Pipe 810 passes through several slurry injection nozzles 850 and be arranged in each note that slurries delivery pipe 820 is connected to slip casting general pipeline respectively Starch the sealing rubber ring 860 on the peripheral wall of nozzle.Each slurry injection nozzle 850 is vertically arranged in each second type injected hole, sealing Cushion rubber 860 is by the space sealing between each slurry injection nozzle periphery wall and each second type injected hole inner wall.

Further comprise grout injection control device 1000, grout injection control device 1000 by control line respectively with slip casting machine 800, Slip casting machine 900 communicates to connect, to control slip casting time and the grouting pressure of slip casting machine 800, slip casting machine 900 respectively.

Although detailed description of the present invention preferred embodiment herein, it is to be understood that the invention is not limited to this In the specific structure being described in detail and show and step, without departing from the spirit and scope of the present invention can be by this field Technical staff realize other modifications and variant.Furthermore revealed various parameters can be according to concrete application conditions in this hair It is suitably chosen in bright disclosed range.Furthermore revealed each construction procedure can also be according to concrete application conditions suitably Increase and decrease or adjustment sequence.

Claims (10)

1. a kind of inter-city passenger rail fragment-free track slab Disease Treatment method, comprising:

(1), it is detected using concrete bottom seat board of the detection device to subgrade defect section, the determining bedding with lower section, which exists, to be hung The designed concrete base plate of empty region；

(2), respectively to the expansion joint perfusion the between the designed concrete base plate and the concrete bottom seat board of adjacent both ends One chemical pulp is to form the end closed at both ends for hanging empty region；

(3), change respectively to the gap perfusion first between the designed concrete base plate and two sides road shoulder concrete enclosing layer Slurry is learned to form the two sides closed side for hanging empty region；And

(4), it is surrounded to the designed concrete base plate, the bedding, the end closed at both ends and the two sides closed side Space in the second chemical pulp of perfusion to fill described hang empty region.

2. inter-city passenger rail fragment-free track slab Disease Treatment method as described in claim 1, which is characterized in that the step (2) (3) first chemical pulp being perfused in includes: 50~70 parts by weight isocyanates, 15~25 parts by weight polyethers, 3~15 weights Measure part plasticizer, 1~5 parts by weight foam stabiliser and 0.5~1.5 parts surfactant.

3. inter-city passenger rail fragment-free track slab Disease Treatment method as claimed in claim 2, which is characterized in that the isocyanates For toluene di-isocyanate(TDI), diphenyl methane -4,4,-diisocyanate or poly methylene poly phenyl poly isocyanate；It is described poly- Ether is the low molecular polyether polyalcohol of two degrees of functionality or three-functionality-degree, and molecular weight is 200~5000, hydroxyl value is 40~ 600mgKOH/g；The plasticizer is diethyl phthalate or dioctyl phthalate；The foam stabiliser is poly- Alkane silicomethane；The surfactant is polyvinylpyrrolidone or Tween 80.

4. inter-city passenger rail fragment-free track slab Disease Treatment method as described in claim 1, which is characterized in that the step (4) Second chemical pulp of middle perfusion includes component A and B component, wherein the component A includes: 100 parts by weight epoxy resin, 10~25 parts by weight organic acids, 0.1~0.5 part by weight of catalyst, 0.1~0.5 parts by weight polymerization inhibitor and 90~130 weight Part diluent；The B component includes: 38~55 parts by weight propylene acids compounds, 5~10 parts by weight toughener, 6.0~9.0 Parts by weight initiator and 0.5~1.0 parts by weight promotor.

5. inter-city passenger rail fragment-free track slab Disease Treatment method as claimed in claim 4, which is characterized in that the epoxy resin For bisphenol A epoxide resin or bisphenol F epoxy resin；The organic acid is glacial acetic acid, acrylic acid or oxalic acid；The catalyst is benzyl Triethylammonium chloride or tetrabutylammonium bromide；The polymerization inhibitor is 2,6- di-tert-butyl hydroquinone, 2,6- dinitro pair Cresols, hydroquinone, p-tert-Butylcatechol or p-hydroxyanisole；The diluent is methyl methacrylate, first Base butyl acrylate or trimethylolpropane trimethacrylate；The toughener is fourth rouge rubber, butyl rubber or neoprene； The initiator is ammonium persulfate, potassium peroxydisulfate or hydrogen peroxide；The promotor is sodium hydrogensulfite, sodium sulfite, thio Sodium sulphate, frerrous chloride or stannous chloride.

6. such as inter-city passenger rail fragment-free track slab Disease Treatment method according to any one of claims 1 to 5, which is characterized in that The step (2) includes:

(2-1), the first side at each expansion joint, in the middle part in the expansion joint short transverse along horizontal direction Second side towards each expansion joint drills out the first lateral hole section, in the second side at each expansion joint, in institute The middle part stated in the short transverse of expansion joint drills out second laterally along the first side at horizontal direction towards each expansion joint Hole section, also, the described first lateral hole section and the second lateral hole section are drilled into respectively in the transverse direction at the expansion joint Central location, so that the described first lateral hole section is connected to form a horizontal drilling with the described second lateral hole section, the horizontal brill The diameter in hole is greater than the width at the expansion joint and is less than five times of the width at the expansion joint；

The fiberboard and clast filled in the expansion joint position on (2-2), the removing horizontal drilling top；And

(2-3), after first chemical pulp is perfused to the side of the horizontal drilling, continue to the other side of the horizontal drilling First chemical pulp is perfused, to hang the end closed at both ends of empty region described in formation.

7. such as inter-city passenger rail fragment-free track slab Disease Treatment method according to any one of claims 1 to 5, which is characterized in that The step (3) includes:

(3-1), respectively in designed concrete base plate two sides on the road shoulder concrete enclosing layer, mixed along the target Solidifying soil base plate longitudinal gap tiltedly bores several gap closing holes, is inserted to the gap, the angle in the gap closing hole with oblique Range is 40~50 degree；And

(3-2), first chemical pulp is perfused into the gap by the gap closing hole, to hang empty region described in formation Two sides closed side.

8. such as inter-city passenger rail fragment-free track slab Disease Treatment method according to any one of claims 1 to 5, which is characterized in that The step (4) includes:

(4-1), respectively in the both sides of the edge area of the designed concrete base plate along the longitudinal direction of the designed concrete base plate Direction interval drill out several injected holes be connected to it is described hang empty region, slip casting is installed by the closing of joint seal glue in the injected hole Mouth；

(4-2), at least one described grouting nozzle is connect with air hose one end, hang described in borehole cleaning and exclusion using high-pressure blast Water and grey slurry in empty region；And

(4-3), successively each grouting nozzle connect with grouting pump, the second chemical pulp pressure grouting is hung to described In empty region, wherein the pressure grouting grouting nozzle that is located at the both ends of the concrete bottom seat board first, and injection pressure is less than 0.3Mpa, then again pressure grouting be located at the concrete bottom seat board centre grouting nozzle, and injection pressure be less than 0.4Mpa.

9. a kind of as used by inter-city passenger rail fragment-free track slab Disease Treatment method according to any one of claims 1 to 8 Operating system characterized by comprising

Detection device is detected for the concrete bottom seat board to subgrade defect section, is existed with the determining bedding with lower section and is hung The designed concrete base plate of empty region；

First drilling equipment, for drilling out several first type injected holes in the side for hanging empty region；

First chemical pulp grouting device is closed for injecting the first chemical pulps in several first type injected holes and described hangs sky The side in region；

Second drilling equipment, for drilling out several second type injected holes above empty region in described hang；And

Second chemical pulp grouting device fills for injecting the second chemical pulps in several second type injected holes and described hangs sky Region.

10. operating system as claimed in claim 9, which is characterized in that the detection device is geological radar.