CN102899996B - Novel construction method of precast slab assembled floating road bed - Google Patents
Novel construction method of precast slab assembled floating road bed Download PDFInfo
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- CN102899996B CN102899996B CN201210452432.7A CN201210452432A CN102899996B CN 102899996 B CN102899996 B CN 102899996B CN 201210452432 A CN201210452432 A CN 201210452432A CN 102899996 B CN102899996 B CN 102899996B
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Abstract
The invention discloses a novel construction method of a precast slab assembled floating road bed. The method comprises the following steps of: laying a central line of a floating road bed base and an encryption foundation mark for positioning a plurality of floating road bed precast slabs to be paved; laying a lifting control line of each floating road bed precast slab and a tool positioning hole for auxiliary positioning; mounting an auxiliary tool according to the tool positioning hole, and mounting the floating road bed precast slabs on the floating road bed base in sequence according to the auxiliary tools and the lifting control lines, and connecting into an integral floating road bed; and mounting inner sleeves of a vibration isolator inside each floating road bed precast slab in sequence, and carrying out integral leveling and jacking. The novel construction method of the precast slab assembled floating road bed disclosed by the invention is simple in construction procedure, short in construction period, high in construction efficiency and good in construction quality, and is convenient for the safety inspection of the floating road bed in later use; and the damaged parts out of work can be replaced.
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
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 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:
1) need to arrange multiple cushion block in advance in floating ballast bed substrate, which increase the preparation of construction, waste manpower and time;
2) need side-mounted vibration isolator is installed, and needed vibration isolator inner sleeve to be arranged on prefabricated floating plate before the side-mounted vibration isolator of installation, therefore needing repeatedly to adjust side-mounted vibration isolator and vibration isolator inner sleeve, because this increasing the engineering time, have impact on construction speed;
3) when installing prefabricated floating plate, side-mounted vibration isolator and vibration isolator inner sleeve are all in pressured state, therefore can not ensure side-mounted vibration isolator and vibration isolator inner sleeve uniform force after jacking, easily cause the damage of side-mounted vibration isolator and vibration isolator inner sleeve;
4) 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, the construction method that a kind of precast plate pin-connected panel is floating ballast bed is provided, its required vibration isolator kind of installing is few, working procedure is simple, short construction period, efficiency are high, and convenient to floating ballast bed safety inspection in follow-up use.
To achieve these goals, the construction method that precast plate pin-connected panel of the present invention is floating ballast bed, is characterized in that, comprise the steps:
1) central lines of track of floating ballast bed substrate and the Additional benchmark for locating multiple floating ballast bed precast plate to be laid is laid;
2) the hoist controlling line of each floating ballast bed precast plate and the tool locating hole to its auxiliary positioning is laid;
3) according to described tool locating hole, auxiliary mould is installed, and according to auxiliary mould and described hoist controlling line, multiple floating ballast bed precast plate is arranged in described floating ballast bed substrate successively, and after accurate adjustment is carried out to every block precast plate, connect into be integrated floating ballast bed;
4) vibration isolator inner sleeve is arranged on successively in described each floating ballast bed precast plate, and floating ballast bedly carries out Integral levelling and jacking to described.
Wherein, according to described step 1) construct before, carry out the surveying setting-out of floating ballast bed substrate construction simultaneously, and reinforcing bar binding and concrete pouring construction 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.
Further, after reinforcing bar binding and concrete pouring construction are carried out to described floating ballast bed substrate, according to described step 1) construct before, 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, described step 3) comprising:
31) according to described tool locating hole, auxiliary mould is installed, and according to auxiliary mould and described hoist controlling line in described floating ballast bed substrate, lays a floating ballast bed precast plate;
32) another adjacent floating ballast bed precast plate is then laid;
33) position of the floating ballast bed precast plate that accurate adjustment two is adjacent, and two adjacent floating ballast bed precast plates are connected as one;
34) step 32 is repeated) and 33), lay multiple floating ballast bed precast plate successively, so that shape all-in-one-piece is floating ballast bed.
Further, in described step 32) in, behind the position of the floating ballast bed precast plate that accurate adjustment two is adjacent, multiple level connection joint plated construction is adopted to be connected successively by two adjacent floating ballast bed precast plates, then with multiple side-mounted shear plate, two adjacent floating ballast bed precast plates are connected, successively so that shape all-in-one-piece is floating ballast bed.
Preferably, described step 4) also comprise: before the installation carrying out vibration isolator inner sleeve, rail and rail fastening need be arranged on successively on described each floating ballast bed precast plate; To described floating ballast bed carry out Integral levelling and jacking after, the geometric shape of the floating ballast bed upper rail of accurate adjustment, and install fixture.
Wherein, described floating ballast bed precast plate comprises: precast plate main body, and its both ends are respectively equipped with the groove structure for settling side-mounted shear plate; Two row's tracks, are placed in precast plate body upper surface; For settling the outer sleeve device of vibration isolator inner sleeve, corresponding track is arranged; Be placed in multiple first sleeve pipes in precast plate main body, it is positioned at the both sides of described groove structure; Be placed in the sleeve pipe group of precast plate main body two side corner sections.
Preferably, described auxiliary mould comprises: frock body, and the cavity size that between its physical dimension and two adjacent floating ballast bed precast plates, groove structure is formed matches; Be located at frock body bottom portion and the alignment pin coordinated with described tool locating hole.
Preferably, multiple second sleeve pipes in described multiple first sleeve pipe and described sleeve pipe group are steel sleeve.
Particularly, described steel sleeve inside is provided with the nylon sleeve removably connected with it.
Preferably, described floating ballast bed precast plate also comprises the 3rd sleeve pipe group be placed on each described track, and the 3rd sleeve pipe group is made up of multiple 3rd sleeve pipe.
Preferably, described 3rd sleeve pipe is nylon sleeve.
Or described 3rd sleeve pipe is steel sleeve, and its inside is provided with the nylon sleeve removably connected with it.
Preferably, often arranging every two tracks in described track is one group, settles a described outer sleeve device between two tracks often organized.
Preferably, described side-mounted shear plate comprises: two V-shaped wing plates, and longitudinal side of adjacent with the two respectively floating ballast bed precast plate upper groove structure of two wing plates is connected; The stiffener be connected respectively with two wing plates, for strengthening the bonding strength of two wing plates.
Preferably, described level connection joint plated construction comprises: junction plate, which is provided with the bolt hole that arrange corresponding to described second sleeve pipe; High-strength bolt, is each passed through bolt hole and described junction plate is connected to two adjacent floating ballast bed precast plates by sleeve pipe.
Preferably, described track, outer sleeve device, the first sleeve pipe, the second sleeve pipe and the 3rd sleeve pipe are all cast in precast plate main body, and in aggregates with its structure.
Wherein, described vibration isolator inner sleeve and vibration isolator outer sleeve form built-in vibration isolator.
Preferably, described 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, multiple cushion block need do not arranged in advance in floating ballast bed substrate, decrease the preparation of construction, save plenty of time and human and material resources, improve construction speed;
2) in the construction method that precast plate pin-connected panel of the present invention is floating ballast bed, by auxiliary mould, floating ballast bed precast plate is positioned, accurate positioning, accelerate the speed of mating formation of floating ballast bed precast plate;
3) the floating ballast bed precast plate of the present invention is often arranged in track, every two tracks are one group, and between two tracks often organized, settle a vibration isolator inner sleeve, in assembled floating ballast bed process, do not need side-mounted vibration isolator is installed, because this reducing the installation kind of vibration isolator, decreasing leveling operation, shortening construction period;
4) in the construction method that precast plate pin-connected panel of the present invention is floating ballast bed, vibration isolator inner sleeve, in a free state by leveling, can ensure after jacking that it is stressed even, avoids the damage of the vibration isolator caused because of unbalance stress;
5) structure of level connection joint plated construction of the present invention 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, adopts it to be connected by adjacent floating ballast bed precast plate, splicing is convenient, saves time, and improves efficiency of construction;
6) side-mounted shear plate structure of the present invention is simple, Fast Installation can connect be integrated in adjacent floating ballast bed precast plate, save time, improve efficiency of construction;
7) the first sleeve pipe of the present invention and the second sleeve pipe are steel sleeve, it to cast directly in precast plate main body and in aggregates with its structure, steel sleeve directly can be connected with high-strength bolt when connecting, also in steel sleeve inside, the nylon sleeve removably connected with it can be installed, then nylon sleeve be connected with high-strength bolt.The floating ballast bed concrete stressing conditions that therefore can be assembled into according to precast plate is selected, thus adds the convenience of construction and the safety of operation;
8) the 3rd sleeve pipe on track of the present invention is nylon sleeve, when the stressed complexity in floating ballast bed described location, can adopt and steel sleeve is embedded on precast plate track in advance, in steel sleeve inside, the nylon sleeve removably connected with it is installed, and after this nylon sleeve lost efficacy, simple tool can be utilized to be changed by inefficacy nylon sleeve rapidly, improve maintainability and the operation safety of circuit, effectively reduce operation maintenance cost;
9) track, outer sleeve device, the first sleeve pipe, the second sleeve pipe and the 3rd sleeve pipe etc. 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 flow chart of the floating ballast bed construction method of precast plate pin-connected panel of the present invention;
The artwork of central lines of track and Additional benchmark when Fig. 2 is floating ballast bed construction of the present invention;
The artwork in hoist controlling line and tool locating hole when Fig. 3 is floating ballast bed construction of the present invention;
Fig. 4 is the structural representation of floating ballast bed precast plate of the present invention;
Fig. 5 is the left side view of the floating ballast bed precast plate shown in Fig. 4;
Fig. 6 is the connection diagram of the adjacent floating ballast bed precast plate of the present invention;
Fig. 7 is the top view shown in Fig. 6;
The 3-D view that Fig. 8 amplifies for the part A shown in Fig. 6;
Fig. 9 is the structural representation of the adjacent floating ballast bed precast plate of horizontal connecting plate anatomical connectivity of the present invention;
Figure 10 is the left side view shown in Fig. 9;
Figure 11 is the structural representation of side-mounted shear plate of the present invention;
Figure 12 is the top view of the side-mounted shear plate shown in Figure 11;
Figure 13 is that vibration isolator inner sleeve of the present invention is arranged in outer sleeve device to form the schematic diagram of vibration isolator inner sleeve;
Figure 14 is the structural representation of auxiliary mould of the present invention;
Figure 15 is the detachable structural representation installing a nylon sleeve in steel sleeve of the present invention.
Description of reference numerals: 1-precast plate main body; 2-groove structure; 3-track; 4-outer sleeve device; 5-second sleeve pipe; 6-bus terminal; 7-first sleeve pipe; 8-the 3rd sleeve pipe; 21-groove; 22-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; 88-strengthens wing plate; The side-mounted shear plate of 90-; 91-wing plate; 92-stiffener.
Detailed description of the invention
As shown in Figure 1, the construction method that precast plate pin-connected panel of the present invention is floating ballast bed comprises the steps:
1) central lines of track of floating ballast bed substrate and the Additional benchmark for locating multiple floating ballast bed precast plate to be laid is laid;
2) the hoist controlling line of each floating ballast bed precast plate and the tool locating hole to its auxiliary positioning is laid;
3) according to described tool locating hole, auxiliary mould is installed, and according to auxiliary mould and described hoist controlling line, multiple floating ballast bed precast plate is arranged in described floating ballast bed substrate successively, and after accurate adjustment is carried out to every block precast plate, connect into be integrated floating ballast bed;
4) vibration isolator inner sleeve is arranged on successively in described each floating ballast bed precast plate, and floating ballast bedly carries out Integral levelling and jacking to described.
Concrete, 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, in factory, carry out the processing of floating ballast bed precast plate, and the floating ballast bed precast plate processed is transported in batches job site storage in order to follow-up use.
As shown in Figure 4, Figure 5, floating ballast bed floating precast plate of the present invention comprises: the precast plate main body 1 in cuboid, the centre position of two transverse end surface is respectively equipped with a groove structure 2, by settling side-mounted shear plate 90 in groove structure 2, thus two adjacent precast plate main bodys are connected as one.This groove structure comprises: be located at the transverse end surface of precast plate main body 1 and run through the groove 21 of its thickness direction, which is provided with the peep hole 23 being convenient to when safeguarding observe; By precast plate main body 1 upper surface, offer the groove 22 that certain thickness formed downwards along its thickness direction, it is for installing peep hole cover plate to cover peep hole, and it is communicated with groove 21, and preferably, two longitudinal sides of groove are inclined plane 24.The parallel track 3 of two rows being symmetrically distributed in its longitudinal centre line both sides is mounted with at precast plate main body 1 upper surface, it can install rail and rail fastening, 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 for fixing vibration isolator inner sleeve that arrange corresponding to it is no less than 2.In precast plate main body 1 four angles place symmetrical placement four sleeve pipe groups, each sleeve pipe group is made up of multiple second sleeve pipe 5, and on each track, be provided with the 3rd sleeve pipe group, and it is made up of multiple 3rd sleeve pipe 8, in addition, precast plate main body 1 is also mounted with multiple bus terminal 6.When carrying out floating ballast bed precast plate prefabricated, track 3, first sleeve pipe 7, outer sleeve device 4, second sleeve pipe 5, the 3rd sleeve pipe 8 and bus terminal 6 are all cast in precast plate main body 1, to make itself and precast plate main body 1 structure in aggregates, greatly facilitate the installation of each matching component in work progress, save the time, improve efficiency of construction.
Preferably, often arranging in track 3, every two tracks are one group, an outer sleeve device 4 is settled between two tracks often organized, as shown in Figure 4, when the quantity of precast plate main body 1 often being arranged track is 6, often outer sleeve device 4 quantity of arranging between track is 3, outer sleeve device forms built-in vibration isolator with the vibration isolator inner sleeve settled in the inner, thus forms spring damping system with precast plate main body.
While the production carrying out floating ballast bed precast plate and transport, job site adopts 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 2, lay the central lines of track of the floating ballast bed substrate in floating ballast bed interval, and according to the physical dimension of floating ballast bed precast plate, lay the Additional benchmark be used for each floating ballast bed precast plate location.
The central lines of track laid according to previous step and Additional benchmark, lay the hoist controlling line of each floating ballast bed precast plate and the tool locating hole to its auxiliary positioning.
According to the tool locating hole of having laid and hoist controlling line, be arranged on successively in floating ballast bed substrate by multiple floating ballast bed precast plate, and connect into be integrated floating ballast bed, concrete steps are as follows:
31) hanging apparatus is used to be lifted on tool locating hole auxiliary mould as shown in figure 14, the alignment pin in auxiliary mould is made to aim at floating ballast bed suprabasil tool locating hole and installation in position, now, the physical dimension of the frock body of auxiliary mould just in time and the cavity size that between to be laid two adjacent floating ballast bed precast plates, groove structure is formed match, then according to the current hoist controlling line of a floating ballast bed precast plate to be laid and the position of auxiliary mould, a floating ballast bed precast plate is installed in floating ballast bed substrate;
32) as shown in Figure 6,7, hanging apparatus is then used to lay another floating ballast bed precast plate adjacent with the floating ballast bed precast plate laid;
33) position of the floating ballast bed precast plate that accurate adjustment two is adjacent, and two adjacent floating ballast bed precast plates are connected as one, specific as follows:
First, multiple level connection joint plated construction is adopted to be connected successively by two adjacent floating ballast bed precast plates.As shown in Fig. 6,7,8, high-strength bolt 82 is settled in each second sleeve pipe 5 of two adjacent floating ballast bed precast plates, every two adjacent floating ballast bed precast plates by level connection joint plated construction 80 being connected to two adjacent floating ballast bed precast plates, and connect as one by high-strength bolt 82.As shown in Fig. 9,10, level connection joint plated construction 80 of the present invention comprises: the junction plate 81 be connected respectively with adjacent two floating ballast bed precast plates, which is provided with the multiple bolts hole corresponding with multiple second sleeve pipe 5 positions on two floating ballast bed precast plates, and multiple high-strength bolt 82 is each passed through multiple bolt hole and multiple second sleeve pipe 5 to be fixed on by junction plate 81 on two adjacent floating ballast bed precast plates.Wherein, multiple bolt hole is symmetrically distributed in the both sides, shrinkage joint 83 between two floating ballast bed precast plates, and the bolt hole of its side is circle bolt hole 84, and the bolt hole of opposite side is oval bolt hole 85.By junction plate 81 being arranged on the upper surface of floating ballast bed precast plate, facilitate the inspection of patrol officer, for damaging the parts lost efficacy, can change, therefore normal traffic safety is not affected, and in order to make level connection joint plated construction reach better stress, junction plate adding and strengthens wing plate 88.By high-strength bolt 82 by horizontal connecting plate anatomical connectivity on two adjacent floating ballast bed precast plates time, can at the neck being placed in the high-strength bolt 82 in oval bolt hole 85 a sheathed steel sleeve 87, and establish a cover plate 86 in oval bolt hole upper cover, the upper surface of steel sleeve 87 is made to prop up the soffit of cover plate 86, thus compress steel sleeve 87 when high-strength bolt 82 is tightened and malcompression junction plate 81, make junction plate 81 can between adjacent floating ballast bed precast plate free-extension, thus regulate the uneven deformation between two adjacent floating ballast bed precast plates; Also at the sheathed steel sleeve 87 of the neck of high-strength bolt 82, and can not need not establish in oval bolt hole upper cover the cover plate propping up steel sleeve upper surface, directly make high-strength bolt compress junction plate 81, thus play a part fastening with strengthen be connected;
Then, multiple side-mounted shear plate is adopted to connect, two adjacent floating ballast bed precast plates so that shape all-in-one-piece is floating ballast bed successively.As shown in Figure 8, the present invention arranges two side-mounted shear plates 90 in the cavity that the groove structure of two adjacent floating ballast bed precast plates is formed, and the inclined plane on adjacent with two the respectively floating ballast bed precast plate of side-mounted shear plate is connected, two adjacent floating ballast bed precast plates are connected as one.As shown in Figure 11,12, side-mounted shear plate 90 of the present invention has two V-shaped wing plate 91, two wing plates and is provided with multiple through hole, and the centre position of two wing plates 91 is provided with the stiffener 92 strengthened it and connect.The inclined plane 24 of floating ballast bed precast plate is mounted with multiple first sleeve pipe 7, and the position of the first sleeve pipe is corresponding with the position of through hole on two wing plates, two wing plates 91 are arranged on the inclined plane 24 of adjacent floating ballast bed precast plate through the through hole of corresponding position on two wing plates by high-strength bolt respectively that be placed in each first sleeve pipe 7, thus make two adjacent floating ballast bed precast plates be assemblied into one in centre position, effectively prevent the movement vertically of contiguous prefabricated plate main body;
34) step 32 is repeated) and 33), lay multiple floating ballast bed precast plate successively, and adjacently floating ballast bedly to connect two, so that shape all-in-one-piece is floating ballast bed.
The present invention can determine according to the concrete condition of site operation for the use of auxiliary mould, as all auxiliary moulds installation simultaneously required in floating ballast bed interval carried out again the laying of floating ballast bed precast plate, again auxiliary mould is taken out after all floating ballast bed precast plates have been laid; Also first auxiliary mould first can be installed, then the floating ballast bed precast plate being positioned at its side is laid, then the adjacent floating ballast bed precast plate being positioned at its opposite side is laid, and while laying adjacent floating ballast bed precast plate, second auxiliary mould is installed, and first auxiliary mould is taken out, the rest may be inferred, until lay complete by all floating ballast bed precast plate in floating ballast bed interval; Certainly, also can adopt after several auxiliary mould is first installed, then carry out the laying of floating ballast bed precast plate according to above-mentioned method.
When all floating ballast bed precast plate in floating ballast bed interval has all been laid, and connect as one floating ballast bed after, need complete follow-up work successively, concrete steps are as follows:
First, the conveniently mounting method of floating ballast bed rail, constructs circuit bearing of trend floating ballast bed along institute, arranges on tracks install rail and rail fastening laid floating ballast bed two;
Then, according to the position of each floating ballast bed precast plate inside and outside sleeve device, vibration isolator inner sleeve is installed within it (as shown in figure 13) successively, and carry out Integral levelling to all vibration isolator inner sleeves in floating ballast bed interval, then the construction method of conventionally floating ballast bed precast plate carries out jacking to vibration isolator inner sleeve;
Then, rail fastening is utilized to carry out accurate adjustment to the geometric shape being arranged on floating ballast bed upper rail;
Finally, on 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 adjacent floating ballast bed precast plate to seal, the pipeline that will conflux is arranged in bus terminal, ditch cover plate is arranged on gutter, etc.
In the present invention, first sleeve pipe and the second sleeve pipe are and are cast in precast plate main body and steel sleeve holistic with its formation, when floating ballast bed stressing conditions is more satisfactory, steel sleeve is directly connected with high-strength bolt, now steel sleeve is the model corresponding with high-strength bolt, and the 3rd sleeve pipe adopts pre-buried nylon sleeve and the connected mode of high-strength bolt; When floating ballast bed stressing conditions is complicated, at the first sleeve pipe and the second inside pipe casing, a nylon sleeve removably connected with it (as shown in figure 15) is installed, is then connected with high-strength bolt by nylon sleeve.The 3rd sleeve pipe now also can adopt the inner detachable mode of installing a nylon sleeve of steel sleeve, accordingly, adds man-hour what carry out floating ballast bed precast plate, the 3rd sleeve pipe should to be cast in precast plate main body and in aggregates with its structure.When adopting the inner detachable installation of steel sleeve one nylon sleeve, steel sleeve is made up of stainless steel material, after the inefficacy of nylon sleeve is in the inner installed, simple tool is utilized to be changed by the nylon sleeve lost efficacy rapidly, thus improve maintainability and the operation safety of circuit, effectively reduce operation maintenance cost.
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. the construction method that precast plate pin-connected panel is floating ballast bed, is characterized in that, comprises the steps:
1) central lines of track of floating ballast bed substrate and the Additional benchmark for locating multiple floating ballast bed precast plate to be laid is laid;
2) the hoist controlling line of each floating ballast bed precast plate and the tool locating hole to its auxiliary positioning is laid;
3) according to described tool locating hole, auxiliary mould is installed, and according to auxiliary mould and described hoist controlling line, multiple floating ballast bed precast plate is arranged in described floating ballast bed substrate successively, and after accurate adjustment is carried out to every block precast plate, connect into be integrated floating ballast bed;
4) vibration isolator inner sleeve is arranged on successively in described each floating ballast bed precast plate, and floating ballast bedly carries out Integral levelling and jacking to described;
Wherein, precast plate main body (1) two ends of described floating ballast bed precast plate are respectively equipped with the groove structure (2) for settling side-mounted shear plate (90);
Wherein, two longitudinal terminal surfaces of described groove structure are inclined plane, are embedded with the first sleeve pipe for being connected with high-strength bolt in the position in each groove structure corresponding tilt face;
Wherein, described side-mounted shear plate (90) has V-shaped two wing plates (91), and two wing plates are connected with contiguous prefabricated plate main body corresponding tilt face coupling respectively; Wherein, the step that adjacent described precast plate is connected in one is comprised: by high-strength bolt, two wing plates of side-mounted shear plate are arranged on the inclined plane of contiguous prefabricated plate body recess structure respectively, thus adjacent precast plate main body is assemblied into one in centre position.
2. the construction method that precast plate pin-connected panel according to claim 1 is floating ballast bed, it is characterized in that, according to described step 1) construct before, carry out the surveying setting-out of floating ballast bed substrate construction simultaneously, and reinforcing bar binding and concrete pouring construction carried out to floating ballast bed substrate.
3. the construction method that precast plate pin-connected panel according to claim 2 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, according to described step 1) construct before, 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.
4. the construction method that precast plate pin-connected panel according to claim 3 is floating ballast bed, is characterized in that, described step 3) comprising:
31) according to described tool locating hole, auxiliary mould is installed, and according to auxiliary mould and described hoist controlling line in described floating ballast bed substrate, lays a floating ballast bed precast plate;
32) another adjacent floating ballast bed precast plate is then laid;
33) position of the floating ballast bed precast plate that accurate adjustment two is adjacent, and two adjacent floating ballast bed precast plates are connected as one;
34) step 32 is repeated) and 33), lay multiple floating ballast bed precast plate successively, so that shape all-in-one-piece is floating ballast bed.
5. the construction method that precast plate pin-connected panel according to claim 4 is floating ballast bed, is characterized in that, described step 4) also comprise:
Before the installation carrying out vibration isolator inner sleeve, rail and rail fastening need be arranged on successively on described each floating ballast bed precast plate;
To described floating ballast bed carry out Integral levelling and jacking after, the geometric shape of the floating ballast bed upper rail of accurate adjustment, and install fixture.
6. the construction method that the precast plate pin-connected panel according to any one of claim 1-5 is floating ballast bed, is characterized in that, described precast plate main body also comprises:
Two rows' track (3), are placed in precast plate main body (1) upper surface;
For settling the outer sleeve device (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.
7. the construction method that precast plate pin-connected panel according to claim 6 is floating ballast bed, is characterized in that, often arranging every two tracks in described track is one group, settles a described outer sleeve device (4) between two tracks often organized.
8. the construction method that precast plate pin-connected panel according to claim 7 is floating ballast bed, is characterized in that:
Described side-mounted shear plate (90) also comprises: the stiffener (92) be connected respectively with two wing plates (91), for strengthening the bonding strength of two wing plates;
Wherein, described the step that contiguous prefabricated plate is connected in one also to be comprised: before employing side-mounted shear plate is by adjacent floating ballast bed precast plate, adopt multiple level connection joint plated construction by adjacent floating ballast bed precast plate connection;
Wherein, described level connection joint plated construction (80) comprising: junction plate (81), which is provided with the bolt hole that arrange corresponding to the second sleeve pipe (5); High-strength bolt (82), is each passed through bolt hole and described junction plate (81) is connected to two adjacent floating ballast bed precast plates by sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452432.7A CN102899996B (en) | 2012-11-13 | 2012-11-13 | Novel construction method of precast slab assembled floating road bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452432.7A CN102899996B (en) | 2012-11-13 | 2012-11-13 | Novel construction method of precast slab assembled floating road bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102899996A CN102899996A (en) | 2013-01-30 |
| CN102899996B true CN102899996B (en) | 2015-06-03 |
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| 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 |
| CN109183522A (en) * | 2018-10-12 | 2019-01-11 | 株洲时代新材料科技股份有限公司 | A kind of floating board connecting equipment of prefabricated and its construction method |
Citations (6)
| 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 |
| 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 |
| 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 |
| 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 |
-
2012
- 2012-11-13 CN CN201210452432.7A patent/CN102899996B/en active Active
Patent Citations (6)
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
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| CN102899996A (en) | 2013-01-30 |
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Address after: 102402 No.32, Guangmao Road, Doudian Town, Fangshan District, Beijing Patentee after: Beijing Jiuzhou first rail Environmental Technology Co., Ltd Address before: 100070, Fengtai District Science City, Spark Road 11, 6 blocks A, Beijing Office Park Patentee before: BEIJING JIUZHOUYIGUI SHOCK AND VIBRATION ISOLATION Co.,Ltd. |