CN109505200A - Large-span oblique crossing Frame Bridge undercrossing tunnel exempts to resist traversing anchoring wire road reinforcing construction process - Google Patents
Large-span oblique crossing Frame Bridge undercrossing tunnel exempts to resist traversing anchoring wire road reinforcing construction process Download PDFInfo
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- CN109505200A CN109505200A CN201811570921.6A CN201811570921A CN109505200A CN 109505200 A CN109505200 A CN 109505200A CN 201811570921 A CN201811570921 A CN 201811570921A CN 109505200 A CN109505200 A CN 109505200A
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- crossbeam
- traversing
- exempts
- jacking
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
- E01B1/005—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with sleeper shoes
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Abstract
Exempt to resist traversing anchoring wire road reinforcing construction process the present invention provides a kind of large-span oblique crossing Frame Bridge undercrossing tunnel, belongs to road and bridge construction technical field.Support frame is primarily subjected to the track of track strengthening crossbeam transmitting and the gravity of train in jack-in process, is conducive to the stabilization of holding system.In addition, all fixture components are all disposed within outside working face, concealed work is few, is more advantageous to quality control and on-site maintenance adjustment.Due to resisting traversing stake and crown beam without default, setting up for support frame only takes up the extremely short construction time, it other work can be carried out simultaneously with track strengthening, the characteristics of effectively having evaded cast-in-situ reinforced concrete structure long construction period, and reduce the influence intersected with construction of railways, track strengthening construction period shortens, and greatly accelerates construction speed.Meanwhile former cast-in-situ reinforced concrete structure is replaced by circulation materials such as disk button bracket and I-steel, greatly reduces construction cost.This process economics, duration remarkable benefit have great promotional value.
Description
Technical field
The invention belongs to road and bridge construction technical fields, are to be related to wearing under a kind of large-span oblique crossing Frame Bridge more specifically
Railway exempts to resist traversing anchoring wire road reinforcing construction process.
Background technique
Currently, flourishing with China's highway, newly-built highway intersects with existing railway route and can not keep away
Exempt from, undercrossing tunnel frame core-tube system jacking construction is also applied more and more extensive.Before jacking construction, existing railway is added
Gu track strengthening common practice be cooperated using H profile steel stringer the vertical I-shaped gooseneck for choosing method arrangement of horizontal lift and fender pile,
Stake, anti-shifting stake is supported to form track strengthening system, to prevent railroad track from transverse shifting occurs.Anti- shifting stake is located at jacking side in place
To, it is parallel with existing line, it is arranged in a straight line against existing line.Railroad rail is added using the vertical method of choosing of the horizontal lift of girder steel in length and breadth
Though crossbeam is connect with anti-shifting stake later, stringer is used for reinforcing crossmember.
The core of this mode is to set anti-shifting stake in advance, but the anti-pile period for moving stake and construction cost compare
Height, and after jacking construction, anti-shifting stake just loses effect, so that abandoned, causes the waste of resource.
Summary of the invention
Exempt from that traversing stake track strengthening is resisted to apply the purpose of the present invention is to provide a kind of large-span oblique crossing Frame Bridge undercrossing tunnel
Work technique, with solve it is existing in the prior art set anti-shifting stake cause construction period extend and the increased technology of construction cost ask
Topic.
To achieve the above object, the technical solution adopted by the present invention is that: provide and wear iron under a kind of large-span oblique crossing Frame Bridge
Exempt to resist traversing anchoring wire road reinforcing construction process in road, comprising the following steps:
B, hardened ground is set on front side of rail；
C, disk button support frame and top I-steel stull are set up on the ground on front side of rail；
D, to penetrating crossbeam between the sleeper of rail, and the front end of crossbeam is connect with support frame, rear end and coaster
Connection；
F, it will be connect in the middle part of crossbeam with rail, and the rear end of crossbeam and the front end of pulling apparatus connected, by pulling apparatus
Rear end with to jacking frame structure contain connect；
G, jacking construction is carried out, and the jacking driving pulling apparatus contained with frame structure is observed simultaneously to keep the straight of rail
The traversing situation of rail drives pulling apparatus to retract rail and restores straight situation if it is more than preset range that rail is traversing, until
Complete the jacking construction in a stage；
H, step G is repeated until jacking construction is completed.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
It is further comprising the steps of:
A, preparation of construction；
E, stringer is set on crossbeam and is connected firmly；
I, stringer, pulling apparatus, coaster, crossbeam and support frame are removed；
Step A is before step B, and step E is between step D and step F, and step I is after step H.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
Support frame includes: support body；Bracket is arranged on support body and is used for support crossbeam；And position-limited rack, be arranged on support body and
Position-limited rack side with beam-end for abutting.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
The step of " penetrating crossbeam between the sleeper of rail " in step D specifically includes: a digging machine is arranged in the front side of rail and holds out against
Crossbeam is penetrated rail lower part for another digging machine being arranged withstanding one end of crossbeam in the rear side of rail, until crossbeam by position-limited rack
End contacted with position-limited rack.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
Support body includes: that disk buckles bracket, is arranged on working face；Backbar is arranged and buckles frame upper in disk, is used for and bracket and limit
Frame connection；And bearing diagonal, setting abut on working face, and with the other side of position-limited rack；Bearing diagonal is equipped with for adjusting tiltedly
The telescoping mechanism of bearing length；Bracket is fixedly connected with support body, and position-limited rack is connect with bracket by split bolt.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
In step G, if it is more than preset range that rail is traversing, pulling apparatus, telescoping mechanism and split bolt is adjusted, rail is made to return to original
Position.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
Crossbeam is equipped with the rail locating part for abutting with rail side.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
The step of in step F " by connecting in the middle part of crossbeam with rail ", specifically includes: interlayer being arranged between crossbeam and rail, and uses timber wedge
Son stoppers, then passes through rail locating part for rail side clamping.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
In step G, if detect rail it is traversing be more than preset range, and after driving pulling apparatus to carry out the drawing predetermined time to rail,
Rail is traversing then to suspend jacking construction still above preset range, and continue drive pulling apparatus rail is retracted, be further continued for into
Row jacking construction.
Further, large-span oblique crossing Frame Bridge undercrossing tunnel above-mentioned exempts to resist in the reinforcing construction process of traversing anchoring wire road,
Pulling apparatus includes: embedded fixing component, is embedded on working face；Drawstring, one end are connect with crossbeam, the other end and embedded fixing component
Connection；And chain block, it is arranged on drawstring, for tightening drawstring.
Large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention exempts to resist the beneficial of traversing anchoring wire road reinforcing construction process
Effect is: compared with prior art, construction is more convenient, efficiently exempts to resist by the way that traversing stake and crown beam will be resisted to replace with by the present invention
Traversing stake support frame " disk button bracket+top I-shaped bracing members ", composition exempt to resist traversing anchoring wire road reinforcement system.And coaster is auxiliary
It helps, pulling apparatus pulls in jack-in process, avoids track circuit from occurring traversing.Due to without presetting anti-shifting stake, cast in place reinforced bar
The characteristics of concrete structure is exempted to resist traversing support frame to replace, and has evaded cast-in-place structural long construction period, shortens the construction with railway
Cross events greatly accelerate construction speed, meanwhile, cast-in-situ reinforced concrete structure is by circulation materials such as disk button bracket and I-steel
Instead of greatly reducing construction cost.The gravity of rail and train that support frame is mainly transmitted by track strengthening crossbeam, favorably
In the stabilization of the system of holding, and coaster is set again, friction can be reduced, resistance when jacking construction is reduced, so that in jacking
The traversing of track circuit can be controlled more conveniently in the process.In addition, all fixture components are all disposed within outside working face,
Concealed work is few, is more advantageous to quality control and on-site maintenance adjustment.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is that the large-span oblique crossing Frame Bridge undercrossing tunnel of an embodiment of the present invention application exempts to resist traversing stake track strengthening
The overlooking structure diagram of system；
Fig. 2 is that the large-span oblique crossing Frame Bridge undercrossing tunnel of an embodiment of the present invention application exempts to resist traversing stake track strengthening
The schematic view of the front view of system；
Fig. 3 is partial enlargement structural representation at I in Fig. 1；
Fig. 4 is partial enlargement structural representation at II in Fig. 2；
Fig. 5 is partial enlargement structural representation at III in Fig. 1；
Fig. 6 is partial enlargement structural representation at IV in Fig. 2；
Fig. 7 is the side structure schematic view (bottom and middle part are split) at coaster position；
Fig. 8 is that the large-span oblique crossing Frame Bridge undercrossing tunnel of another embodiment application of the present invention exempts from that traversing anchoring wire road is resisted to add
Gu the schematic view of the front view of system；
Fig. 9 is that the large-span oblique crossing Frame Bridge undercrossing tunnel of another embodiment application of the present invention exempts from that traversing anchoring wire road is resisted to add
Gu the side structure schematic view of system.
Wherein, each appended drawing reference in figure:
10- support body；
11- disk buckles bracket；12- backbar；13- bearing diagonal；14- stand connection；15- oil cylinder；
20- bracket；
30- position-limited rack；31- top plate；The first card slot of 32-；33- plug；
40- pulling apparatus；41- embedded fixing component；42- drawstring；43- chain block；
50- coaster；
51- sliding seat；511- pedestal；512- scroll wheel；513- notch；514- shrinkage pool；515- protrusion；
52- supporter；
53- limit base；531- bottom plate；532- limit plate；533- fastener；
60-U shape bolt assembly；The second card slot of 61-；62- split bolt；
70- crossbeam；71- drawstring hole；72- rail locating part；
80- stringer；
90- working face；91- rail；92- frame structure is contained；93- jacking mechanism.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Also referring to Fig. 1 and Fig. 2 and Fig. 8 and Fig. 9, now to being worn under a kind of large-span oblique crossing Frame Bridge provided by the invention
Railway exempts from that traversing anchoring wire road hardened system is resisted to be illustrated.The large-span oblique crossing Frame Bridge undercrossing tunnel exempts to resist traversing anchoring wire road
Hardened system, including crossbeam 70 between the sleeper for being threaded through rail 91 and are used for support rail 91；Support body 10, setting
In one end of crossbeam 70；Bracket 20 is arranged on support body 10 and is used for support crossbeam 70；Position-limited rack 30 is arranged in support body
On 10 and 30 side of position-limited rack is used for and 70 end abutment of crossbeam；Pulling apparatus 40 connect with the other end of crossbeam 70, and is used for
Crossbeam 70 is pulled；It with coaster 50, is connect with 70 other end of crossbeam (one end i.e. far from support body 10), and in work
Make to slide on face 90.
Large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention exempts to resist traversing anchoring wire road hardened system, with the prior art
It compares, by the setting of support body 10, bracket 20, position-limited rack 30, pulling apparatus 40 and coaster 50, instead of traditional anti-shifting
Stake, can avoid railway line by the traction action for shoring effect and pulling apparatus 40 of position-limited rack 30 when carrying out jacking construction
Road is traversing, since without presetting anti-shifting stake, cast-in-situ reinforced concrete structure is exempted to resist traversing support frame to replace, evaded cast-in-place structural and applied
The feature of work period length, shortens the construction cross events with railway, greatly accelerates construction speed, meanwhile, cast-in-situ reinforced concrete
Structure is replaced by circulation materials such as disk button bracket and I-steel, greatly reduces construction cost.Support frame is mainly by route
The rail of reinforcing crossmember transmitting and the gravity of train, are conducive to the stabilization of holding system, and coaster 50 is arranged again, can reduce
Friction reduces resistance when jacking construction, so that can control the traversing of track circuit more conveniently in jack-in process.Separately
Outside, all fixture components are all disposed within outside working face, and concealed work is few, are more advantageous to quality control and on-site maintenance tune
It is whole.
The present invention is more convenient by using construction, more efficiently exempts to resist traversing stake support frame " disk button bracket+top cross
Support ", forms one kind and exempts to resist traversing anchoring wire road strengthening construction system.Specifically, exempt to resist traversing stake track strengthening, refer specifically to take
Disappear and resist traversing stake and crown beam, replaces to set up in original position and exempt to resist traversing stake support frame " disk button bracket+top I-steel
Stull ", the pre-buried limit pull ring in frame structure top tail portion, pulls route during jacking, avoids track from occurring traversing, while coaster
Auxiliary reduces the friction to frame structure top, reduces the resistance of jacking.
Further, also referring to Fig. 1, Fig. 3 and Fig. 5, as being worn under large-span oblique crossing Frame Bridge provided by the invention
Railway exempts from a kind of specific embodiment for resisting traversing anchoring wire road hardened system, and pulling apparatus 40 includes: to be embedded on working face 90
Embedded fixing component 41, one end and the connection of crossbeam 70 and the drawstring 42 that is connect with embedded fixing component 41 of the other end and setting in drawstring
Chain block 43 on 42 and for tightening drawstring 42.
Further, also referring to Fig. 1, Fig. 3 and Fig. 5, as being worn under large-span oblique crossing Frame Bridge provided by the invention
Railway exempts from a kind of specific embodiment for resisting traversing anchoring wire road hardened system, and 70 one end of crossbeam is equipped with for connecting with drawstring 42
Drawstring hole 71,71 periphery of drawstring hole be equipped with stiffening plate.
Further, also referring to Fig. 1 and Fig. 2, as large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention
Exempt from a kind of specific embodiment for resisting traversing anchoring wire road hardened system, crossbeam 70 is equipped with rail locating part 72, rail locating part
72 abut with 91 side of rail, in order to push rail 91 mobile using crossbeam 70.It can between rail locating part 72 and rail 91
To pass through the cushion blocks such as batten.
Also referring to Fig. 1, Fig. 2 and Fig. 5 to Fig. 7, now to a kind of undercrossing tunnel jacking construction route provided by the invention
Auxiliary jacking jigger (i.e. coaster 50) is reinforced to be illustrated.The undercrossing tunnel jacking construction track strengthening assists the small cunning of jacking
Vehicle including the sliding seat 51 for sliding on working face 90 and is arranged on sliding seat 51 and for the one end with crossbeam 70
The supporter 52 of connection.
Undercrossing tunnel jacking construction track strengthening provided by the invention assists jacking jigger, compared with prior art, leads to
It crosses supporter 52 to prop up crossbeam 80, separates crossbeam 80 and rail 91 with lower box structure, sliding seat 51 is recycled to make crossbeam 80
One end can slide, sliding friction is replaced by rolling friction, crossbeam and rail can be reduced and lower box structure contains or the soil body
Between rub, convenient for drawing etc. other constructing operations.
Further, also referring to Fig. 5 to Fig. 7, as undercrossing tunnel jacking construction track strengthening provided by the invention
A kind of specific embodiment of jacking jigger is assisted, sliding seat 51 includes: pedestal 511, for being connect with supporter 52, and it is interior
Portion is equipped with cavity；It with scroll wheel 512, is rotatably arranged in cavity, and protrudes from 511 lower part of pedestal, in working face 90
It rolls.
Further, referring to Figure 6 together and Fig. 7, as undercrossing tunnel jacking construction track strengthening provided by the invention
A kind of specific embodiment of jacking jigger is assisted, is equipped with several scroll wheels 512 being disposed in parallel relation to one another in cavity.
Further, referring to Fig. 7, it is small as undercrossing tunnel jacking construction track strengthening provided by the invention auxiliary jacking
A kind of specific embodiment of coaster, cavity are equipped with notch on the side wall on the direction vertical with the rotation axis of scroll wheel 512
513。
Further, referring to Fig. 7, it is small as undercrossing tunnel jacking construction track strengthening provided by the invention auxiliary jacking
A kind of specific embodiment of coaster, supporter 52 are equipped with the height adjustment mechanism for adjusting 52 height of supporter.Support
Body 52 includes jack or several cushion blocks successively stacked.
Further, referring to Figure 6 together and Fig. 7, as undercrossing tunnel jacking construction track strengthening provided by the invention
A kind of specific embodiment of jacking jigger is assisted, sliding seat 51 and supporter 52 are rotatablely connected.Specifically, on sliding seat 51
Equipped with shrinkage pool 514, supporter 52 is equipped with and the protrusion 515 for being placed in shrinkage pool.
Further, also referring to Fig. 1, Fig. 2 and Fig. 5 to Fig. 7, as undercrossing tunnel jacking construction provided by the invention
A kind of specific embodiment of track strengthening auxiliary jacking jigger, further includes: limit base 53 is arranged on supporter 52 and uses
It is connected in being limited with the one end of crossbeam 70.
Further, also referring to Fig. 5 to Fig. 7, as undercrossing tunnel jacking construction track strengthening provided by the invention
A kind of specific embodiment of jacking jigger is assisted, limit base 53 includes: bottom plate 531, and lower part with supporter 52 for connecting
And top is used for support crossbeam 70；With limit plate 532, the position that 70 two sides of crossbeam are corresponded on bottom plate 531 is set, for cross
Beam 70 is limited.
Further, also referring to Fig. 5 to Fig. 7, as undercrossing tunnel jacking construction track strengthening provided by the invention
Assisting a kind of specific embodiment of jacking jigger, limit base 53 further include: fastener 533 is arranged on limit plate 532,
And for holding out against crossbeam 70.
Further, also referring to Fig. 5 to Fig. 7, as large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention
Exempt from a kind of specific embodiment for resisting traversing anchoring wire road hardened system, limit base 53 includes: bottom plate 531, and lower part is used for and support
Body 52 connects and top is used for support crossbeam 70；The position that 70 two sides of crossbeam are corresponded on bottom plate 531 is arranged in limit plate 532, uses
It is limited in crossbeam 70；With fastener 533, it is arranged on limit plate 532, and for holding out against crossbeam 70.
Also referring to Fig. 1 to Fig. 4, now to a kind of undercrossing tunnel frame core-tube system track strengthening disk button branch provided by the invention
Support (i.e. support frame) is illustrated.The undercrossing tunnel frame core-tube system track strengthening disk button support frame, including support body, setting
On support body and for support crossbeam bracket and be arranged on support body and position-limited rack side be used for abutted with beam-end
Position-limited rack.
Undercrossing tunnel frame core-tube system track strengthening disk button support frame provided by the invention, passes through support body, bracket and limit
The cooperation of frame works as list so that crossbeam 70 can be abutted directly with position-limited rack during 70 inserting process of crossbeam and jacking construction
When a crossbeam 70 is larger by jacking force, the jacking force can be transmitted on entire support body by position-limited rack, using entire
Support body resists shearing force, and support frame is avoided to collapse because of local deformation.
Further, also referring to Fig. 1 to Fig. 4, as undercrossing tunnel frame core-tube system track strengthening disk provided by the invention
A kind of specific embodiment of button support frame, position-limited rack 30 are equipped with top plate 31, and top plate is equipped with for being clamped with crossbeam 70
The first card slot 32.
Further, also referring to Fig. 1 to Fig. 4, as undercrossing tunnel frame core-tube system track strengthening disk provided by the invention
A kind of specific embodiment of button support frame, bracket 20 and/or position-limited rack 30 are equipped with the U-shaped spiral shell for connecting with crossbeam 70
Bolt assembly 60.It can also be connected using U bolt component 60 between stringer 80 and crossbeam 70.
Further, referring to Fig. 3, as undercrossing tunnel frame core-tube system track strengthening disk button support frame provided by the invention
A kind of specific embodiment, bracket 20 and/position-limited rack 30 are equipped with the second card slot for being clamped with U bolt component 60
61。
Further, also referring to Fig. 1 to Fig. 4, as undercrossing tunnel frame core-tube system track strengthening disk provided by the invention
A kind of specific embodiment of button support frame, support body include: that disk buckles bracket 11, are arranged on working face 90；Backbar 12,
It is arranged and buckles 11 top of bracket in disk, for is connect with bracket 20 and position-limited rack 30；Bearing diagonal 13 is arranged on working face, and with
The other side of position-limited rack 30 abuts.Backbar 12 is vertical with crossbeam 70, bracket 20 and position-limited rack 30 is vertical with backbar 12 connects
It connects.
Further, referring to Fig. 2, as undercrossing tunnel frame core-tube system track strengthening disk button support frame provided by the invention
A kind of specific embodiment, bearing diagonal 13 is equipped with telescoping mechanism for adjusting 13 length of bearing diagonal.Specifically, telescopic machine
Structure may include the oil cylinder 15 being arranged on bearing diagonal 13.
Further, it is buckled also referring to Fig. 1 to Fig. 4 as undercrossing tunnel frame core-tube system track strengthening disk provided by the invention
A kind of specific embodiment of formula support frame, bearing diagonal 13 be equipped with jack, position-limited rack 30 be equipped with for jack grafting
Plug 33.
Further, also referring to Fig. 1 to Fig. 4, as undercrossing tunnel frame core-tube system track strengthening disk provided by the invention
A kind of specific embodiment of button support frame, support body further include: stand connection 14, pre-buried working face 90 after curing
On, and for buckleing bracket 11 with disk and bearing diagonal 13 is connect.Stand connection can be foundation bolt.
Further, also referring to Fig. 1 to Fig. 4, as undercrossing tunnel frame core-tube system track strengthening disk provided by the invention
A kind of specific embodiment of button support frame, bracket 20 are fixedly connected with support body 10, position-limited rack 30 and bracket 20 by pair
Bolt 62 is drawn to connect.
Also referring to Fig. 1 and Fig. 2, anti-cross now is exempted to a kind of large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention
Anchoring wire road reinforcing construction process is moved to be illustrated.The large-span oblique crossing Frame Bridge undercrossing tunnel exempts from that traversing stake track strengthening is resisted to apply
Work technique, comprising the following steps:
B, curing face 70 is set on front side of rail 91；
C, support frame is set up on the working face 70 of 91 front side of rail；
D, crossbeam 70 is penetrated between the tie of rail 91 pillow, and the front end of crossbeam 70 is connect with support frame, rear end
Portion is connect with coaster 50；
F, 70 middle part of crossbeam is connect with rail 91, and the rear end of crossbeam 70 is connect with the front end of pulling apparatus 40, it will
Contain 92 with the frame structure to jacking and connect in the rear end of pulling apparatus 40；
G, carry out jacking construction, and with frame structure contain 92 jacking with driving pulling apparatus 40 to keep the straight of rail 91,
The traversing situation of Synchronous rail 91 drives pulling apparatus 40 to retract rail 91 if it is more than preset range that rail 91 is traversing,
Until completing the jacking construction in a stage；
H, step G is repeated until jacking construction is completed.Herein with the front in the direction of jacking.
Large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention exempts to resist traversing anchoring wire road reinforcing construction process, and existing
Technology is compared, by the way that shifting stake will be resisted to replace with the support frame of more convenient construction and coaster 50 and the drawing of pulling apparatus 40 is cooperated to exist
Avoid track circuit traversing in jacking construction.Due to resisting traversing stake and crown beam without default, cast-in-situ reinforced concrete structure is evaded and has applied
The setting of work period long feature, the fixture components such as support frame sets up, coaster 50 and pulling apparatus 40 only takes up the extremely short time,
It other work can be carried out simultaneously with track strengthening, greatly shorten construction period, reduce construction cost.Meanwhile support frame is main
The gravity of the rail 91 and train that are transmitted by crossbeam 70, is conducive to the stabilization of holding system, and setting auxiliary coaster 50 again,
Friction can be reduced, resistance when jacking construction is reduced, so that track circuit can be controlled more conveniently in jack-in process
It is traversing.In addition, all fixture components are all disposed within outside working face, concealed work is few, be more advantageous to quality control and
On-site maintenance adjustment.
Further, exempt from that traversing stake track strengthening is resisted to apply as large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention
A kind of specific embodiment of work technique, further comprising the steps of:
A, preparation of construction；
E, stringer 80 is set on crossbeam 70 and is connected firmly；
I, stringer 80, pulling apparatus 40, coaster 50, crossbeam 70 and support frame are removed；
Step A is before step B, and step E is between step D and step F, and step I is after step H.
Further, exempt from that traversing stake track strengthening is resisted to apply as large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention
A kind of specific embodiment of work technique, support frame include: support body 10；Bracket 20 is arranged on support body 10 and for holding
Hold in the palm crossbeam 70；With position-limited rack 30, it is arranged on support body 10 and 30 side of position-limited rack is used for and 70 end abutment of crossbeam.Step D
In the step of " penetrating crossbeam 70 between the sleeper of rail 91 " specifically include: one digging machine is set in the front side of rail 91 and is held out against
Position-limited rack 30, by the rear side of rail 91 be arranged another digging machine withstand crossbeam 70 one end crossbeam 70 is penetrated into rail 91 under
Portion, until the end of crossbeam 70 is contacted with position-limited rack 30.
Further, exempt from that traversing stake track strengthening is resisted to apply as large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention
A kind of specific embodiment of work technique, support body include: that disk buckles bracket 11, are arranged on working face 90；Backbar 12, setting
11 top of bracket is buckled in disk, for connecting with bracket 20 and position-limited rack 30；With bearing diagonal 13, be arranged on working face, and with limit
The other side of position frame 30 abuts；Bearing diagonal 13 is equipped with the telescoping mechanism for adjusting 13 length of bearing diagonal；Bracket 20 and bracket
Body 10 is fixedly connected, and position-limited rack 30 is connect with bracket 20 by split bolt 62.In step G, if it is more than predetermined that rail 91 is traversing
Range then adjusts pulling apparatus 40, telescoping mechanism and split bolt 62, rail 91 is made to return to original position.
Further, exempt from that traversing stake track strengthening is resisted to apply as large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention
A kind of specific embodiment of work technique, crossbeam 70 are equipped with the rail locating part 72 for abutting with 91 side of rail.Step F
In the step of " connecting at the middle part of crossbeam 70 with rail 91 " specifically include: interlayer is set between crossbeam 70 and rail 91, is used in combination
Wooden wedge stoppers, then passes through rail locating part 72 for 91 side clamping of rail.
Further, exempt from that traversing stake track strengthening is resisted to apply as large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention
A kind of specific embodiment of work technique, in step G, if observe rail 91 it is traversing be more than preset range, and accelerate driving and lead
It draws equipment 40 to pull rail 91, when the discovery traversing sign not restored of rail 91, then suspends jacking construction, and continue
Driving pulling apparatus 40 retracts rail 91, is further continued for carrying out jacking construction.
Specifically, large-span oblique crossing Frame Bridge undercrossing tunnel provided by the invention exempts to resist traversing anchoring wire road reinforcing construction process
A kind of specific embodiment it is as follows.
Preparation of construction:
1, frame structure is contained prefabricated, maintenance and is completed, and intensity arrived design requirement；The pile foundation engineerings such as fender pile, support stake are
It completes；The construction of roadbed grouting and reinforcing finishes, through examining bearing capacity to meet the requirements.
2, optical cable, cable are manually verified, and complete move change or poling protection.Apparent safety nameplate is set.
Security protection has worked in place.
3, to rail conditions, gauge, pillow away from, vehicle flowrate, cargo dead-weight, busy idle etc. sufficiently investigated, route adds
Gu scheme and consolidation time it has been determined that and sufficiently linked up with railway department, reach an agreement.
4, track strengthening material, machinery, personnel are in place.Scene carried out safely, confide a technological secret.What track strengthening used
Compliance inspection is carried out after the materials arrivals such as stringer, crossbeam, disk button steel pipe frame, is checked and accepted, it is qualified through detection.
Wear lateral I-steel:
1, crossbeam 70 uses I45 (Type B) I-steel, arranges perpendicular to line direction, is divided between existing line concrete crosstie
0.6m, crossbeam 70 are inserted between existing pillow, and the insertion of crossbeam 70 is using " inserting a method every six " circular insertion.70 spacing frame structure of crossbeam with
It is interior (to insert 5 by 5-0-5 arrangement and stay a hole), it (inserts 2 by 2-0-2 arrangement other than frame structure and stays a hole).I-shaped steel joint uses two
Block 20mm thick steel plate is arranged that M20mm high-strength bolt connects, connector interlaced arrangement, and connector to be avoided to be located at track by clamping plate shape
Underface.
2,70 supporting point of crossbeam in frame structure: end in place is supported on the I-steel at the top of steel pipe support, and jacking end is supported on
Frame structure top surface, between supported with coaster and sheeting caps；Frame structure 70 supporting point of outer crossbeam: it is supported in two sides line protection dowel crown beam
On.
3, penetrating for work steel is divided to two groups from route both ends while being carried out, and is manually opened between existing pillow using " inserting a method every six "
Then slot is inserted into using crane, artificial assistance.Slot bottom is located at track lower outer, buries short sleeper, supports lateral I-steel,
It is separated between I-steel and track using bamboo slab rubber, and urgent with wooden wedge.I-steel is inserted into one, in time later ballast aggregate, smashes
Gu closely knit, can carry out next work steel penetrates construction." the short lumps of wood+angle steel " limiting device is installed on the outside of track.
Set up stringer I-steel:
To increase rigidity and stability, in two sides, road shoulder sets 2 road length stringers altogether, wherein the every Shu Junwei 2 in two sides road shoulder position
× HN900 × 300 × 16 × 28 section longitudinal beams composition.Every beam stringer center tap uses interlaced arrangement form, and work steel connector is adopted
It is arranged with two blocks of 32mm thick steel plates by clamping plate shape, the connection of M30mm high-strength bolt.Stringer is located on crossbeam 70, is hung using crane
Dress, the mode of hand fit are in place, and stringer is connect with crossbeam 70 with U-typed card, and stringer both ends and midfeather use sleeper pile
Support.
Route resists traversing:
1, route holds anti-shifting stake and crown beam to cancel in place, and replacing is disk button steel pipe frame and top I-steel.Route
70 one end of reinforcing crossmember rides over frame structure top surface, and one end rides on the I-steel at the top of steel pipe frame.Disk button steel pipe frame and top work
Word steel carries out diagonal brace reinforcing, plays the role of a support route.
2, stent base carries out concrete hardening.Bracket is set up, and 6 rows are laterally arranged in frame body, and longitudinal length is the same as track strengthening width
Unanimously, lateral, longitudinal pitch is 0.6 meter, is highly calculated downwards by lateral I-steel, and deducting I-steel height is frame body height
Degree, cloth is away from 1.2 meters.
3, cradle top first places 15 I-shapeds by root in frame body jacking by 0.6 meter of frame body horizontal spacing along jacking direction
Steel.45b I-steel is placed along line direction "-" type in 15 I-steel top surfaces, and front and back setting is two rows of, and high infraversion malposition is made into L-type.
4, after I-steel installs, the crossbeam 70 of track strengthening is fixed on crown beam.Lateral I-steel and crown beam work
Each crosspoint of word steel is respectively adopted two U-typed card connections and is fixed.It is inserted with plank in U-typed card top surface backing plate gap
Tightly.While jacking, there is special messenger to observe the straight situation of crown beam I-steel, the elastic situation of butt joint is checked
And reinforcing.It notes abnormalities, processing in time or pause jacking.
5,5 tons of chain blocks, 20 wirerope are used uniformly every 3 meters of setting anchor bar pull rings in frame structure top plate tail portion
Track strengthening system is tensed, unified command, special messenger commander in jacking, with jacking with tension route.Contain and cross to reduce frame structure
The frictional force of beam 70 places coaster 50 between crossbeam 70 and frame structure contain top plate.
Jacking is tried to examine:
Crossbeam 70, stringer install, and steel pipe support and top I-steel install, and 70 both ends of track strengthening crossbeam are
It is firm to support, and pull ring route tenses, and operator in place, after everything in readiness, carries out examination jacking.While jacking, group
Special messenger's whole process observes the straight situation of track and the straight situation of cradle top I-steel, and rear is commanded to add for individual cucurbits
It is fast or slow down tension speed.Putting the extreme direction before jacking individually when discovery route has dimpling metaboly, illustrates that this cucurbit is drawn
Tight speed is not able to satisfy route and resists traversing requirement, to accelerate speed tension.Whole process, special messenger commander, by adjusting individual hands
The tension speed of cucurbit is drawn to guarantee that route is straight.When discovery is regulated the speed, bending deformation without diminution trend, also be used in a hurry
Intercom notifies the pause jacking of jacking construction backstage, ascertains the reason, again jacking.When carrying out vehicle, jacking is fixed tentatively, road is kept away under worker
Vehicle, the lower support timber wedge of crossbeam 70 are urgent.Each top journey terminates, and will check transverse and longitudinal beam, holder part, it is ensured that do not have
Bending deformation, it is working properly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of large-span oblique crossing Frame Bridge undercrossing tunnel exempts to resist traversing anchoring wire road reinforcing construction process, which is characterized in that including
Following steps:
B, hardened ground is set on front side of rail；
C, it is set up on the working face on front side of rail and exempts to resist traversing support frame；
D, to penetrating crossbeam between the sleeper of rail, and the front end of the crossbeam is connect with support frame as described above, rear end with
Coaster connection；
F, it will be connect in the middle part of the crossbeam with the rail, and the rear end of the crossbeam and the front end of pulling apparatus connected, it will
The rear end of pulling apparatus is contained with the frame structure to jacking to be connected；
G, jacking construction is carried out, and the jacking contained with frame structure drives pulling apparatus to keep the straight of rail, while observing rail
Straight situation, commander's pulling apparatus is with jacking with tension route.
H, step G is repeated until jacking construction is completed.
2. large-span oblique crossing Frame Bridge undercrossing tunnel as described in claim 1 exempts to resist traversing anchoring wire road reinforcing construction process,
It is characterized in that, further comprising the steps of:
A, preparation of construction；
E, stringer is set on the crossbeam and is connected firmly；
I, stringer, pulling apparatus, coaster, crossbeam and support frame are removed；
The step A is before the step B, and between the step D and the step F, step I's step E exists
After the step H.
3. large-span oblique crossing Frame Bridge undercrossing tunnel as described in claim 1 exempts to resist traversing anchoring wire road reinforcing construction process,
It is characterized in that, support frame as described above includes:
Support body；
Bracket is arranged on the support body and is used for support crossbeam；With
Position-limited rack, is arranged on the support body and the position-limited rack side with the beam-end for abutting.
4. large-span oblique crossing Frame Bridge undercrossing tunnel as claimed in claim 3 exempts to resist traversing anchoring wire road reinforcing construction process,
The step of being characterized in that, " penetrating crossbeam between the sleeper of rail " in the step D specifically includes:
One digging machine is set in the front side of the rail and holds out against the position-limited rack, another digging will be set in the rear side of the rail
The crossbeam is penetrated the rail lower part by one end that machine withstands the crossbeam, until the end of the crossbeam and the position-limited rack
Contact.
5. large-span oblique crossing Frame Bridge undercrossing tunnel as claimed in claim 3 exempts to resist traversing anchoring wire road reinforcing construction process,
It is characterized in that, the support body includes:
Disk buckles bracket, is arranged on working face；
Backbar is arranged and buckles frame upper in the disk, for connecting with the bracket and the position-limited rack；With
Bearing diagonal, setting abut on the working face, and with the other side of the position-limited rack；
The bearing diagonal is equipped with the telescoping mechanism for adjusting the bearing diagonal length；The bracket is fixed with the support body
Connection, the position-limited rack are connect with the bracket by split bolt.
6. large-span oblique crossing Frame Bridge undercrossing tunnel as claimed in claim 5 exempts to resist traversing anchoring wire road reinforcing construction process,
Be characterized in that: in the step G, if rail it is traversing be more than preset range, adjust the pulling apparatus, the telescoping mechanism and
The split bolt makes the rail return to original position.
7. large-span oblique crossing Frame Bridge undercrossing tunnel as described in claim 1 exempts to resist traversing anchoring wire road reinforcing construction process,
Be characterized in that: the crossbeam is equipped with the rail locating part for abutting with rail side.
8. large-span oblique crossing Frame Bridge undercrossing tunnel as claimed in claim 7 exempts to resist traversing anchoring wire road reinforcing construction process,
The step of being characterized in that, " connecting at the crossbeam middle part with the rail " in the step F specifically includes:
Interlayer is set between the crossbeam and the rail, and is stoppered with wooden wedge, then passes through the rail locating part for institute
State rail side clamping.
9. large-span oblique crossing Frame Bridge undercrossing tunnel as described in claim 1 exempts to resist traversing anchoring wire road reinforcing construction process,
It is characterized in that: in the step G, if it is traversing more than preset range to detect rail, and accelerating to drive pulling apparatus to the iron
The drawing that rail carries out, after the predetermined time, the rail is traversing still above the preset range, then suspends jacking construction, and after
The continuous driving pulling apparatus retracts the rail, is further continued for carrying out jacking construction.
10. large-span oblique crossing Frame Bridge undercrossing tunnel as described in claim 1 exempts to resist traversing anchoring wire road reinforcing construction process,
It is characterized in that, the pulling apparatus includes:
Embedded fixing component is embedded on working face；
Drawstring, one end are connect with the crossbeam, and the other end is connect with the embedded fixing component；With
Chain block is arranged on the drawstring, for tightening the drawstring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570921.6A CN109505200B (en) | 2018-12-21 | 2018-12-21 | Reinforcing construction process for railway anti-transverse-movement-free pile line passing through under large-span skew frame structure bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570921.6A CN109505200B (en) | 2018-12-21 | 2018-12-21 | Reinforcing construction process for railway anti-transverse-movement-free pile line passing through under large-span skew frame structure bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109505200A true CN109505200A (en) | 2019-03-22 |
| CN109505200B CN109505200B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811570921.6A Active CN109505200B (en) | 2018-12-21 | 2018-12-21 | Reinforcing construction process for railway anti-transverse-movement-free pile line passing through under large-span skew frame structure bridge |
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| CN110939065A (en) * | 2019-12-05 | 2020-03-31 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | Method for jacking bridge by using temporary steel support auxiliary frame |
| CN111576111A (en) * | 2020-05-29 | 2020-08-25 | 中铁六局集团有限公司 | Frame bridge jacking railway turnout reinforcement construction method |
| CN114318979A (en) * | 2021-12-31 | 2022-04-12 | 中铁六局集团石家庄铁路建设有限公司 | Automatic pulling-through system and method for reinforcing I-steel of jacking line of frame-structured bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110939065A (en) * | 2019-12-05 | 2020-03-31 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | Method for jacking bridge by using temporary steel support auxiliary frame |
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| CN114318979A (en) * | 2021-12-31 | 2022-04-12 | 中铁六局集团石家庄铁路建设有限公司 | Automatic pulling-through system and method for reinforcing I-steel of jacking line of frame-structured bridge |
| CN114318979B (en) * | 2021-12-31 | 2023-08-18 | 中铁六局集团石家庄铁路建设有限公司 | Automatic penetrating and pulling system and method for frame bridge jacking line reinforcement I-steel |
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| CN109505200B (en) | 2020-10-09 |
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