CN102912693B - Floating track bed precast slab and construction method for precast slab assembled floating track bed - Google Patents
Floating track bed precast slab and construction method for precast slab assembled floating track bed Download PDFInfo
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- CN102912693B CN102912693B CN201210454400.0A CN201210454400A CN102912693B CN 102912693 B CN102912693 B CN 102912693B CN 201210454400 A CN201210454400 A CN 201210454400A CN 102912693 B CN102912693 B CN 102912693B
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Abstract
The invention discloses a construction method for a precast slab assembled floating track bed, which includes the following steps: laying a circuit center line of a base of a floating track bed and encrypted disjunction marks for positioning of precast slab main bodies; laying a hoisting control line of the precast slab main bodies and placing a position control line of side vibration isolators; mounting the side vibration isolators and present precast slab main bodies; placing vibration isolator inner sleeves in outer sleeve devices; laying adjacent precast slab main bodies along the extending direction of the circuit of the base of the floating track bed and connecting the adjacent precast slab main bodies with the present precast slab main bodies into a whole; and sequentially laying a plurality of precast slab main bodies along the extending direction of the circuit of the base of the floating track bed until an integral floating track bed is formed. The invention further provides a floating track bed precast slab for splicing the floating track bed. The construction method for the assembled floating track bed, provided by the invention, has simple construction procedures, short construction period, high construction efficiency and high construction quality, and facilitates safety inspection on the floating track bed in the follow-up utilization, and damaged components in failure are replaceable.
Description
Technical field
The present invention relates to track traffic technical field of construction, particularly relate to the construction method that a kind of precast plate pin-connected panel is floating ballast bed.
Background technology
Steel spring floating slab is the one novel high-grade track vibration isolation mainstream technology measure that extensively adopts of metro industry in recent years, there is the steel concrete road bed board of certain mass of vibration and be floated on the damping spring vibration isolator of certain stiffness, form classical " quality-spring " vibrating isolation system, there is three dimensional elasticity and stability, and can suppress and absorb solid-borne sound conduction, thus reduction track traffic affects the vibration & noise of surrounding enviroment, therefore be applied to domestic city track traffic within 10 years, to have a surplus, and have broad application prospects.At present, Beijing has put into effect provincial standard " urban track traffic spring floating plate track technical specification ", with the design of specification steel spring floating slab track structure, construction, examination, detection, maintenance to this technology.
But the construction of floating-board ballast bed of steel spring project content of prior art is many, complex procedures, long construction period.As Chinese patent utility model application number be 20120118256, name is called in the construction method disclosed in " a kind of prefabricated assembled Construction Technique of Steel Spring Floating Slab Track technique ", first, carries out surveying setting-out to the substrate of floating plate railway roadbed; Then, reinforcing bar binding and concrete pouring construction are carried out to the substrate of floating plate railway roadbed, and the prefabricated floating plate processed is transported to the storage of road bed board tracklaying base; Then, from front to back multiple prefabricated floating plate is laid successively and completed assembling; Finally, the prefabricated floating plate that laying apparatus has been constructed installs rail, accurate adjustment is carried out to track.Adopt this kind of construction method, can accelerating construction progress to a certain extent, improve efficiency of construction, but, this kind of construction method also exists following shortcoming: need to arrange multiple cushion block in advance in floating ballast bed substrate, which increase the preparation of construction, waste manpower and time; Vibration isolator inner sleeve was arranged on prefabricated floating plate before the side-mounted vibration isolator of installation, therefore needed repeatedly to adjust it, added the engineering time, have impact on construction speed; Need to adopt shear hinge to be connected and fixed between contiguous prefabricated floating plate, it is embedded in prefabricated floating plate, cannot check, lost efficacy, and cannot change, all produce adverse influence to track structure and train operation once damage.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of floating ballast bed precast plate, it is concentration pre-casting in factory, quality of finished product good; The construction method that the present invention also provides a kind of precast plate pin-connected panel floating ballast bed, multiple floating ballast bed precast plate carries out assembled by it, working procedure is simple, the cycle is short, efficiency is high, quality is good, convenient to floating ballast bed safety inspection in follow-up use, and damages the replaceable parts lost efficacy.
To achieve these goals, floating ballast bed precast plate of the present invention comprises: precast plate main body, and its both ends are respectively equipped with the groove structure for settling side-mounted vibration isolator; Be placed in two row's tracks of precast plate body upper surface; For settling multiple outer sleeve devices of vibration isolator inner sleeve, corresponding track is arranged; Be placed in the sleeve pipe group of precast plate main body two side corner sections.
Preferably, the sleeve pipe in described track, outer sleeve device and described sleeve pipe group is all cast in precast plate main body, and in aggregates with its structure.
Wherein, establish two side-mounted vibration isolators in each described groove structure two ends, each described side-mounted vibration isolator has vibration isolator web, and vibration isolator web comprises two wing plates of V-shaped layout, and two wing plates are for connecting two adjacent precast plate main bodys.
Wherein, settle high-strength bolt in the sleeve pipe of described sleeve pipe group, described high-strength bolt is used for the level connection joint plated construction of precast plate main body adjacent for connection two to be individually fixed in described two adjacent precast plate main bodys.
Preferably, described side-mounted vibration isolator also comprises: vibration isolator main body, the base plate of its side end face dismountable arrangement vibration isolator web, and its opposite side to insert in described groove structure and supports precast plate bottom part body.
Preferably, described level connection joint plated construction also comprises: junction plate, which is provided with the bolt hole that arrange corresponding to the sleeve pipe of sleeve pipe group, and described high-strength bolt is each passed through bolt hole and sleeve pipe and junction plate is connected to two adjacent precast plate main bodys.
Preferably, described bolt hole comprises the first rounded bolt hole of being positioned at junction plate two ends and in oblong second bolt hole, high-strength bolt by the panel rest on placement second bolt hole in the second bolt hole.
The present invention also provides a kind of and is assembled into floating ballast bed construction method by above-mentioned floating ballast bed precast plate, and it comprises the steps:
1) central lines of track of floating ballast bed substrate and the Additional benchmark for the precast plate agent localization by floating ballast bed precast plate is laid;
2) lay its hoist controlling line according to the physical dimension of multiple precast plate main bodys to be laid in floating ballast bed interval, and set out the position control line for being arranged on the side-mounted vibration isolator in each precast plate body recess structure according to hoist controlling line successively cloth;
3) according to described position control line, side-mounted vibration isolator be installed successively and carry out Primary Location, then described multiple precast plate main body being arranged on the side-mounted vibration isolator after Primary Location according to described hoist controlling line;
4) vibration isolator inner sleeve is placed in respectively in the outer sleeve device of described precast plate main body;
5) contiguous prefabricated plate main body is connected as one, until shape all-in-one-piece is floating ballast bed.
Wherein, before constructing according to described step 1), multiple precast plate main body need be processed and be transported to job site and store, carry out the surveying setting-out of floating ballast bed substrate construction simultaneously, and reinforcing bar binding and concrete pouring construction are carried out to floating ballast bed substrate.
Preferably, when carrying out concrete pouring construction to described floating ballast bed substrate, a longitudinal middle gutter of having constructed in the middle part of constructed floating ballast bed substrate.
Preferably, after reinforcing bar binding and concrete pouring construction are carried out to described floating ballast bed substrate, carry out repetition measurement and the finishing of floating ballast bed substrate construction, to ensure elevation and the planeness of floating ballast bed upper surface of substrate.
Wherein, in described step 3), after the described multiple precast plate main body of installation, accurate adjustment is carried out to it, and after accurate adjustment, elevation adjustment is carried out to side-mounted vibration isolator, and reserve the elevation jacking compensation rate of vibration isolator inner sleeve.
Preferably, when floating ballast bed precast plate installed by described side-mounted vibration isolator, described side-mounted vibration isolator should be made to be in uniform-compression state.
Preferably, when vibration isolator inner sleeve being installed in described outer sleeve device, described vibration isolator inner sleeve should be made to be in uniform-compression state.
Wherein, described step 5) comprises:
In each sleeve pipe of described sleeve pipe group, settle high-strength bolt, by high-strength bolt, level connection joint plated construction is fixed in described contiguous prefabricated plate main body, to make two adjacent precast plate main bodys be connected by level connection joint plated construction;
Described two wing plates of side-mounted vibration isolator are connected to the groove structure of described contiguous prefabricated plate main body, to make two adjacent precast plate main bodys be connected by side-mounted vibration isolator, thus shape all-in-one-piece is floating ballast bed.
Wherein, described step 5) also comprises:
Described two floating ballast bed row's tracks install two one steel rails and rail fastening, and after rail is installed, it is adjusted accordingly;
Described floating ballast bed on floating ballast bed fixture is installed.
Preferably, described floating ballast bed fixture comprises: floating ballast bed interval sealing device, drainage ditch cover plate, conflux pipeline.
Relative to prior art, the floating ballast bed construction method of precast plate pin-connected panel of the present invention has following outstanding advantage:
1), in the construction method that precast plate pin-connected panel of the present invention is floating ballast bed, the floating ballast bed precast plate structure of employing is simple, easy to use, concentration pre-casting in factory, and carry out factory management, concrete curing environment is good, quality of finished product good;
2) construction method that precast plate pin-connected panel of the present invention is floating ballast bed, need not arrange multiple cushion block in advance, decrease the preparation of construction, save plenty of time and human and material resources in floating ballast bed substrate;
3) construction method that precast plate pin-connected panel of the present invention is floating ballast bed, having completed floating ballast bed elevation adjustment, because this reducing jacking number of times, having improve construction speed before installing vibration isolator inner sleeve;
4) in the construction method that precast plate pin-connected panel of the present invention is floating ballast bed, adjacent floating ballast bed precast plate adopts level connection joint plated construction to connect, the structure of this level connection joint plated construction is simple, and easy to use, it is placed on floating ballast bed bed surface, it is convenient to check, for damaging the replaceable parts lost efficacy, adopting this level connection joint plated construction, making the splicing of adjacent floating ballast bed precast plate convenient, save the splicing time, improve efficiency of construction;
5) set of tubes in track, outer sleeve, sleeve pipe group to be all cast in precast plate main body and in aggregates with its structure by floating ballast bed precast plate of the present invention, facilitate the installation of each matching component in work progress, greatly save the time, improve efficiency of construction.
Below in conjunction with accompanying drawing, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of floating ballast bed precast plate of the present invention;
Fig. 2 is the floating ballast bed construction method flow chart of precast plate pin-connected panel of the present invention;
The artwork of central lines of track and Additional benchmark when Fig. 3 is floating ballast bed construction of the present invention;
The artwork of hoist controlling line and position control line when Fig. 4 is floating ballast bed construction of the present invention;
The scheme of installation of side-mounted vibration isolator and precast plate main body when Fig. 5 is floating ballast bed construction of the present invention;
Fig. 6 is the lateral view of Fig. 5;
The scheme of installation of vibration isolator inner sleeve when Fig. 7 is floating ballast bed construction of the present invention;
Fig. 8 is installation and the connection diagram of adjacent precast plate main body of the present invention;
Fig. 9 is the structural representation of precast plate pin-connected panel of the present invention floating ballast bed construction when completing;
Figure 10 is the structural representation of side-mounted vibration isolator of the present invention;
Figure 11 is the schematic diagram of the level connection joint plated construction of connection of the present invention two precast plate main bodys;
Figure 12 is the schematic diagram of groove structure of the present invention.
Description of reference numerals: 1-precast plate main body; 2-groove structure; 3-track; 4-outer sleeve device; 5-sleeve pipe; 6-bus terminal; 21-groove; 22-first groove; 23-second groove; 24-inclined plane; 80-level connection joint plated construction; 81-junction plate; 82-high-strength bolt; 83-shrinkage joint; 84-circle bolt hole; The oval bolt hole of 85-; 86-cover plate; 87-steel sleeve; The side-mounted vibration isolator of 90-; 91-vibration isolator web; 92-vibration isolator main body; 93-heightens pad; 94-resilient sleeper-bearing; 95-vibration isolator limited block.
Detailed description of the invention
As shown in Figure 1, floating ballast bed precast plate of the present invention comprises: the precast plate main body 1 in cuboid, and its both ends are respectively equipped with groove structure 2; Be placed in two row's tracks 3 of precast plate main body 1 upper surface; For settling multiple outer sleeve devices 4 of vibration isolator inner sleeve, its corresponding track 3 is arranged; Be placed in the sleeve pipe group of precast plate main body 1 liang of side corner sections, each sleeve pipe group is made up of multiple sleeve pipe 5.In addition, precast plate main body 1 is mounted with the bus terminal be positioned at outside sleeve pipe group, and, track 3, outer sleeve 4, sleeve pipe 5 and bus terminal are all cast in precast plate main body 1, and in aggregates with its structure, and outer sleeve device forms built-in vibration isolator with the vibration isolator inner sleeve be placed in wherein.
Wherein, in groove structure 2, two ends arrange two side-mounted vibration isolators 90.
As shown in figure 12, groove structure 2 of the present invention comprises: the groove 21 forming peep hole, runs through precast plate main body 1 thickness direction and extends; For installing peep hole cover plate to cover the first groove 22 of peep hole, by precast plate main body 1 upper surface along its thickness direction to downward-extension certain thickness, and be connected with groove 21; Second groove 23, upwards extends certain thickness by precast plate main body 1 soffit along its thickness direction, and in it, two side-mounted vibration isolators 90 are settled at two ends, and are connected with groove 21; Further, two longitudinal side walls of groove 21 are inclined plane 24.
And as shown in Figure 10, the side-mounted vibration isolator in the present invention comprises: vibration isolator web 91, it has V-shaped two wing plates that connect corresponding to longitudinal side of the groove structure 2 of precast plate main body and base plate connected vertically with V-arrangement side plate; Vibration isolator main body 92, the base plate of its side end face dismountable arrangement vibration isolator web 91, its opposite side to insert in groove structure 2 and supports precast plate bottom part body; Be arranged on successively and vibration isolator main body 92 heightens pad 93 and resilient sleeper-bearing 94, so that the height adjusting vibration isolator main body 92 makes it fully contact with precast plate bottom part body, thus prevent precast plate main body local pressure.Further, the two V-shaped wing plates of vibration isolator web 91 are connected by vibration isolator limited block 95 with each inclined plane 24.
Two adjacent precast plate main bodys 1 by two wing plates V-shaped in its vibration isolator web being connected to two adjacent precast plate main bodys 1, and connect as one at the middle part of butt end by each side-mounted vibration isolator 90; And in each sleeve pipe 5, being mounted with high-strength bolt 82, two adjacent precast plate main bodys 1 by level connection joint plated construction 80 being connected to two adjacent precast plate main bodys 1, and connect as one by high-strength bolt 82.
As shown in figure 11, level connection joint plated construction 80 of the present invention comprises: junction plate 81, which is provided with the bolt hole that arrange corresponding to sleeve pipe; High-strength bolt 82, is each passed through bolt hole and junction plate 81 is connected to adjacent precast plate main body by sleeve pipe 5.Wherein, bolt hole is symmetrically distributed in both sides, two adjacent precast plate intersubjective shrinkage joint 83, it comprises the first rounded bolt hole 84 of being positioned at junction plate two ends and in oblong second bolt hole 85, high-strength bolt is placed in the second bolt hole through the cover plate 86 be placed on the second bolt hole, high-strength bolt 82 neck cover in the second bolt hole 85 has steel sleeve 87, this steel sleeve 87 bottom support is on the sleeve pipe 5 corresponding with its position, and top contacts with the bottom surface of cover plate 86; And the high-strength bolt 82 in the first bolt hole 85 is connected with sleeve pipe 5, and under the nuts of this high-strength bolt 82, surface cover has packing ring.Usually, the first bolt hole in each level connection joint plated construction 80 and the quantity in stay bolt hole are 4 or 8, and the long axis length of oval bolt hole 85 is diameter and the shrinkage joint 83 width sum of high-strength bolt 82.
It is assembled floating ballast bed to be formed that the present invention adopts above-mentioned floating ballast bed precast plate to carry out, and as shown in Figure 2, the floating ballast bed construction method of precast plate pin-connected panel of the present invention comprises the steps:
1) central lines of track of floating ballast bed substrate and the Additional benchmark for the precast plate agent localization by floating ballast bed precast plate is laid;
2) lay its hoist controlling line according to the physical dimension of multiple precast plate main bodys to be laid in floating ballast bed interval, and set out the position control line for being arranged on the side-mounted vibration isolator in each precast plate body recess structure according to hoist controlling line successively cloth;
3) according to described position control line, side-mounted vibration isolator be installed successively and carry out Primary Location, then described multiple precast plate main body being arranged on the side-mounted vibration isolator after Primary Location according to described hoist controlling line;
4) vibration isolator inner sleeve is placed in respectively in the outer sleeve device of described precast plate main body;
5) contiguous prefabricated plate main body is connected as one, until shape all-in-one-piece is floating ballast bed.
Be assembled into floating ballast bed process for floating ballast bed precast plate of the present invention below, describe the work progress that precast plate pin-connected panel is floating ballast bed:
After tunnel completion, before floating ballast bed laying, first carry out the DATA REASONING in floating ballast bed interval, as the measurement of tunnel elevation and left-right deviation etc., and according to measured data, coordinate with designing unit, determine the constructure scheme that precast plate pin-connected panel is floating ballast bed; According to determined floating ballast bed connection scheme, the processing of floating ballast bed precast plate is carried out in factory, and in process, track 3, outer sleeve 4, sleeve pipe 5 and bus terminal are all cast in precast plate main body 1, in aggregates with its structure, and the floating ballast bed precast plate processed is transported in batches job site storage in order to follow-up use.
Add man-hour what carry out floating ballast bed precast plate, in precast plate main body 1 two row's tracks 3 should be made to be arranged in parallel, and the quantity of often arranging track in track 3 is even number and is no less than 6, and the quantity of the outer sleeve device 4 that arrange corresponding to it is no less than 2.Preferably, often arranging in track, except the track near two transverse end surfaces, in remaining track, every two tracks are one group, arrange an outer sleeve device 4 between two tracks often organized.In a particular application, the setting of the quantity of track and outer sleeve device 4 can be carried out according to the dimensions of precast plate main body 1, time as large in dimensions, the track of setting and the quantity of outer sleeve device some more, on the contrary, then the quantity arranged is less.
In the process of the floating ballast bed precast plate of processing, adopt the surveying setting-out method of conventional floating ballast bed substrate, carry out the surveying setting-out of floating ballast bed substrate construction, and according to surveying setting-out result, adopt the construction method of conventional floating ballast bed substrate, along the circuit bearing of trend of floating ballast bed track of constructing, from front to back reinforcing bar binding and concrete pouring construction are carried out to floating ballast bed substrate.Further, when carrying out concrete pouring construction to floating ballast bed substrate, the middle gutter of a longitudinal direction of should having constructed in the middle part of constructed floating ballast bed substrate.
After floating ballast bed substrate has been constructed, repetition measurement and finishing are carried out to floating ballast bed substrate, reach predetermined with the elevation and planeness that ensure floating ballast bed upper surface of substrate and lay requirement, and after the measurement, as shown in Figure 3, lay the central lines of track of floating ballast bed substrate, and according to the physical dimension of precast plate main body, lay and be used for the Additional benchmark of precast plate agent localization.
The central lines of track laid according to previous step and Additional benchmark, as shown in Figure 4, to lay in floating ballast bed interval the hoist controlling line of required multiple precast plate main bodys of laying and the position control line for the side-mounted vibration isolator that supports these precast plate main bodys.Then, as shown in Figure 5,6, according to position control line, side-mounted vibration isolator is installed successively, and under the effect of hanging device, successively each precast plate main hanger is filled to above floating ballast bed substrate, and after Primary Location being carried out to precast plate main body according to hoist controlling line, it is directly positioned over four side-mounted vibration isolators for supporting it, and make four side-mounted vibration isolators all be in uniform-compression state, thus complete the lifting of precast plate main body.And, after the multiple precast plate main hangers in floating ballast bed interval install into, the position of each precast plate main body is measured, conventional measuring device is adopted to coordinate the floating ballast bed precast plate adjuster of Construction of Ballastless Track, and the fine adjusting method of non-fragment orbit routinely, accurate adjustment is carried out to the position of the precast plate main body after Primary Location, and uses special jacking tool to complete the elevation adjustment of side-mounted vibration isolator.
When carrying out elevation adjustment to side-mounted vibration isolator, the compensation rate of vibration isolator inner sleeve need be reserved, as shown in Figure 7, special jacking tool is used to be arranged on by vibration isolator inner sleeve in the outer sleeve device of these precast plate main bodys that current laying completes, and make vibration isolator inner sleeve be in uniform-compression state, carry out the jacking adjustment of vibration isolator inner sleeve after installation.In the present invention, first in floating ballast bed substrate, lay the position control line of side-mounted vibration isolator, then the installation and the elevation that carry out side-mounted vibration isolator adjust, and be in course of adjustment and reserve the jacking compensation rate of vibration isolator inner sleeve, finally carry out the installation of vibration isolator inner sleeve, adopt above-mentioned construction method, decrease the jacking number of times of built-in vibration isolator, accelerate the install and adjust process of side-mounted vibration isolator and built-in vibration isolator, substantially increase speed of application.
Installing side-mounted vibration isolator successively, after precast plate main body and vibration isolator inner sleeve, along the circuit bearing of trend of floating ballast bed substrate, by multiple level connection joint plated construction and side-mounted vibration isolator, adjacent precast plate main body is connected as one, and repeated measurement and adjustment are carried out to the installation of precast plate main body and side-mounted vibration isolator and vibration isolator inner sleeve, after it meets design condition, the conveniently mounting method of floating ballast bed rail, along construct circuit bearing of trend floating ballast bed, the two floating ballast bed row's tracks laid install two one steel rails and rail fastening, and two one steel rails are adjusted accordingly, then on floating ballast bed, floating ballast bed fixture is installed, as sealing device to be arranged between the floating ballast bed left and right sides and tunnel wall and between contiguous prefabricated plate main body to seal, the pipeline that will conflux is arranged in bus terminal, ditch cover plate is arranged on gutter, etc., with form as shown in Figure 9 one floating ballast bed.
At the scene in work progress, in order to improve construction speed, the installation of the laying construction of precast plate main body and two one steel rails can be adopted to carry out continuously simultaneously.When carrying out the installation of rail, rail rail fastening is arranged on the track of precast plate main body, the moment of torsion of the connecting bolt of rail fastening need meet design requirement, detect afterwards the gauge of two one steel rails, just, level, the track geometry such as direction, and the track geometry of rail is adjusted with rail fastening, after the track geometry of rail meets designing requirement, level connection joint plated construction and side-mounted vibration isolator is adopted to carry out assembled two contiguous prefabricated plate main bodys.
In above-mentioned work progress, when carrying out elevation adjustment to side-mounted vibration isolator, need at special jacking tool with under the cooperation of workman, repeatedly adjust the thickness heightening pad 93 be arranged in vibration isolator main body 92, so that the height adjusting vibration isolator main body 92 makes it fully contact with precast plate bottom part body, make precast plate main body uniform-compression on side-mounted vibration isolator, thus prevent the local pressure of precast plate main body, be connected by the inclined plane 24 of adjacent with two the respectively precast plate main body of the two V-shaped wing plates by vibration isolator web 91, thus when two adjacent precast plate main bodys are assemblied into one, also limit transverse direction and the lengthwise movement of two adjacent precast plate main bodys.Because vibration isolator main body 92 and vibration isolator web 91 are removably mounted between two adjacent floating ballast bed precast plates, facilitate the installation to floating ballast bed precast plate and leveling, when improve construction regulate the speed and when laid floating ballast bed there is sedimentation situation time, can adjust it in time, and be the providing convenience property of maintenance and inspection in subsequent applications.
For vibration isolator inner sleeve, also need according to specific needs, its split type pad is adjusted, to guarantee that precast plate main body uniform-compression is on vibration isolator inner sleeve, its method of adjustment adopts the method for adjustment of the vibration isolator inner sleeve of prior art, no longer repeats at this.
And in above-mentioned work progress, adopt level connection joint plated construction 80 of the present invention that two adjacent precast plate main bodys are connected as one the process of (as shown in Figure 8) as follows: to be directly placed in by junction plate 81 in two adjacent precast plate main bodys, in the precast plate main body making the position of junction plate upper bolt hole adjacent with two respectively, the position of sleeve pipe 5 is corresponding, then in the second bolt hole, steel sleeve 87 is settled, and by the upper surface of panel rest at steel sleeve, finally multiple high-strength bolt is each passed through the first bolt hole and the second bolt hole, thus junction plate precast plate main body adjacent with two is respectively connected, and then two adjacent precast plate main bodys are assemblied into one.
The present invention is due to the above position peripheral hardware steel sleeve 87 at floating ballast bed precast plate upper surface, so compress steel sleeve 87 when high-strength bolt 82 is tightened and malcompression junction plate 81, make junction plate 81 can between adjacent precast plate main body free-extension, thus regulate two adjacent precast plates intersubjective uneven deformation; Further, junction plate 81 is arranged on the upper surface of precast plate main body, and convenient inspection, for damaging the parts lost efficacy, can change, therefore not affect normal traffic safety.By two level connection joint plated constructions 80 being arranged on respectively the two ends of two contiguous prefabricated plate main bodys, ensure that globality floating ballast bed in floating ballast bed interval.
Although be explained in detail the present invention above; but the present invention is not limited thereto; those skilled in the art can principle according to the present invention modify, and therefore, all various amendments carried out according to principle of the present invention all should be understood to fall into protection scope of the present invention.
Claims (8)
1. a floating ballast bed precast plate, is characterized in that, comprising:
Precast plate main body (1), its both ends are respectively equipped with the groove structure (2) for settling side-mounted vibration isolator (90);
Be placed in two rows' track (3) of precast plate main body (1) upper surface;
For settling multiple outer sleeve devices (4) of vibration isolator inner sleeve, corresponding track (3) is arranged;
Be placed in the sleeve pipe group of precast plate main body (1) two side corner sections,
Linkage, makes two adjacent precast plate main bodys be connected, comprises the first linkage and the second linkage, wherein
First linkage, is level connection joint plated construction (80), comprises the junction plate (81) be connected respectively with adjacent two precast plate main bodys by sleeve pipe group;
It is the groove on inclined plane (24) and the first groove be connected with groove respectively and the second groove that groove structure has its two longitudinal side wall, and groove runs through described precast plate body thickness direction and extends, for accommodating second linkage;
The side-mounted vibration isolator (90) for being connected by two adjacent precast plates is established in groove structure, upper arrangement second linkage of vibration isolator main body (92) of side-mounted vibration isolator (90), second linkage has and is removably connected to vibration isolator main body (92) and goes up and the vibration isolator web (91) being positioned at the second groove, vibration isolator body upper surface stretches out an otic placode towards the second groove, vibration isolator web (91) comprises two wing plates of V-shaped layout and the base plate vertical with V-wing plate, base plate is removably connected on otic placode, each wing plate has certain angle of inclination, to adapt with the angle of inclination on a corresponding inclined plane (24), and make it bonded to each other and connect, two adjacent precast plates are linked into an integrated entity.
2. floating ballast bed precast plate according to claim 1, it is characterized in that, sleeve pipe (5) in described track (3), outer sleeve device (4) and described sleeve pipe group is all cast in precast plate main body (1), and in aggregates with its structure.
3. floating ballast bed precast plate according to claim 2, it is characterized in that, settle high-strength bolt (82) in the sleeve pipe (5) of described sleeve pipe group, described high-strength bolt (82) is for being individually fixed in described two adjacent precast plate main bodys (1) by the level connection joint plated construction (80) of precast plate main body (1) adjacent for connection two.
4. be assembled into a floating ballast bed construction method by the floating ballast bed precast plate as described in claim 1-3 any one, it is characterized in that, comprise the step of carrying out successively as follows:
1) central lines of track of floating ballast bed substrate and the Additional benchmark for the precast plate agent localization by floating ballast bed precast plate is laid;
2) lay its hoist controlling line according to the physical dimension of multiple precast plate main bodys to be laid in floating ballast bed interval, and set out the position control line for being arranged on the side-mounted vibration isolator in each precast plate body recess structure according to hoist controlling line successively cloth;
3) according to described position control line, side-mounted vibration isolator be installed successively and carry out Primary Location, then described multiple precast plate main body being arranged on the side-mounted vibration isolator after Primary Location according to described hoist controlling line;
4), after placing multiple precast plate main body, vibration isolator inner sleeve is placed in respectively in the outer sleeve device of described precast plate main body;
5) contiguous prefabricated plate main body is connected as one, until shape all-in-one-piece is floating ballast bed, wherein
In step 3) in, after the multiple precast plate main body of installation is on side-mounted vibration isolator, accurate adjustment is carried out to its position, then elevation adjustment is carried out to side-mounted vibration isolator, and reserve the elevation jacking compensation rate of vibration isolator inner sleeve, to complete floating ballast bed Height Adjustment;
In step 4) in, first make vibration isolator inner sleeve be in uniform-compression state, then carry out the jacking adjustment of vibration isolator inner sleeve,
In step 5) in, by the web in level connection joint plated construction and side-mounted vibration isolator, adjacent precast plate main body is connected as one.
5. the construction method that precast plate pin-connected panel according to claim 4 is floating ballast bed, it is characterized in that, according to described step 1) construct before, multiple precast plate main body need be processed and be transported to job site and store, carry out the surveying setting-out of floating ballast bed substrate construction simultaneously, and reinforcing bar binding and concrete pouring construction are carried out to floating ballast bed substrate.
6. the construction method that precast plate pin-connected panel according to claim 5 is floating ballast bed, it is characterized in that, after reinforcing bar binding and concrete pouring construction are carried out to described floating ballast bed substrate, carry out repetition measurement and the finishing of floating ballast bed substrate construction, to ensure elevation and the planeness of floating ballast bed upper surface of substrate.
7. the construction method that precast plate pin-connected panel according to claim 4 is floating ballast bed, is characterized in that, described step 5) comprising:
In each sleeve pipe of described sleeve pipe group, settle high-strength bolt, by high-strength bolt, level connection joint plated construction is fixed in described contiguous prefabricated plate main body, to make two adjacent precast plate main bodys be connected by level connection joint plated construction;
Described two wing plates of side-mounted vibration isolator are connected to the groove structure of described contiguous prefabricated plate main body, to make two adjacent precast plate main bodys be connected by side-mounted vibration isolator, thus shape all-in-one-piece is floating ballast bed.
8. the construction method that precast plate pin-connected panel according to claim 7 is floating ballast bed, is characterized in that, described step 5) also comprise:
Described two floating ballast bed row's tracks install two one steel rails and rail fastening, and after rail is installed, it is adjusted accordingly;
Described floating ballast bed on floating ballast bed fixture is installed.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485247B (en) * | 2013-10-11 | 2015-09-02 | 隔而固(青岛)振动控制有限公司 | The installation leveling method of floating plate in prefabricated floating plate railway roadbed |
| CN103669115B (en) * | 2013-11-27 | 2016-04-27 | 北京九州一轨隔振技术有限公司 | Floating ballast bed plate and the vibrating isolation system comprising this floating ballast bed plate |
| CN103757994B (en) * | 2014-01-28 | 2015-11-04 | 北京九州一轨隔振技术有限公司 | Based on the floating ballast bed construction method of floating plate and macromolecule isolation mounting |
| CN105937195B (en) * | 2016-06-15 | 2017-10-27 | 安徽兴宇轨道装备有限公司 | A kind of tuned plate car for laying Prefabricated slab type railway roadbed |
| CN107724188A (en) * | 2017-11-28 | 2018-02-23 | 西安卓控环保科技有限公司 | A kind of prefabricated floating plate railway roadbed vibrating isolation system |
| CN112523013B (en) * | 2020-12-29 | 2022-07-08 | 北京九州一轨环境科技股份有限公司 | Split vibration isolator and floating track bed |
| CN114395944B (en) * | 2022-01-05 | 2023-08-15 | 北京九州一轨环境科技股份有限公司 | Assembled steel spring floating slab road bed |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08158302A (en) * | 1994-12-06 | 1996-06-18 | Tokyu Constr Co Ltd | Floating slab by precast slab |
| EP1783275A1 (en) * | 2004-07-23 | 2007-05-09 | Gerb (Qingdao) Vibration Control Systems Co., Ltd. | A floating slab track bed |
| CN201695282U (en) * | 2010-01-19 | 2011-01-05 | 北京城建设计研究总院有限责任公司 | Shear expansion plate for damping steel spring floating ballast bed |
| CN102409584A (en) * | 2010-09-21 | 2012-04-11 | 尹学军 | Split joint positioning tooling for precast slab ballast bed and application method thereof |
| CN102619144A (en) * | 2012-04-20 | 2012-08-01 | 中铁一局集团有限公司 | Construction technology for prefabricated assembled steel spring floating slab track |
| CN202482709U (en) * | 2012-03-13 | 2012-10-10 | 隔而固(青岛)振动控制有限公司 | Prefabricated floating slab ballast bed |
| CN202482710U (en) * | 2012-03-13 | 2012-10-10 | 隔而固(青岛)振动控制有限公司 | Floating ballast bed of prefabricated short plate |
-
2012
- 2012-11-13 CN CN201210454400.0A patent/CN102912693B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08158302A (en) * | 1994-12-06 | 1996-06-18 | Tokyu Constr Co Ltd | Floating slab by precast slab |
| EP1783275A1 (en) * | 2004-07-23 | 2007-05-09 | Gerb (Qingdao) Vibration Control Systems Co., Ltd. | A floating slab track bed |
| CN201695282U (en) * | 2010-01-19 | 2011-01-05 | 北京城建设计研究总院有限责任公司 | Shear expansion plate for damping steel spring floating ballast bed |
| CN102409584A (en) * | 2010-09-21 | 2012-04-11 | 尹学军 | Split joint positioning tooling for precast slab ballast bed and application method thereof |
| CN202482709U (en) * | 2012-03-13 | 2012-10-10 | 隔而固(青岛)振动控制有限公司 | Prefabricated floating slab ballast bed |
| CN202482710U (en) * | 2012-03-13 | 2012-10-10 | 隔而固(青岛)振动控制有限公司 | Floating ballast bed of prefabricated short plate |
| CN102619144A (en) * | 2012-04-20 | 2012-08-01 | 中铁一局集团有限公司 | Construction technology for prefabricated assembled steel spring floating slab track |
Non-Patent Citations (2)
| Title |
|---|
| "浮置板道床施工工艺研究";胡俊;《科技创新导报》;20110811(第23期);全文 * |
| "钢弹簧浮置板道床"拼装一体化"施工工艺";李大鹏;《铁道设计标准》;20110120(第1期);全文 * |
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