CN109162157A - The construction method of track girder - Google Patents
The construction method of track girder Download PDFInfo
- Publication number
- CN109162157A CN109162157A CN201811078862.0A CN201811078862A CN109162157A CN 109162157 A CN109162157 A CN 109162157A CN 201811078862 A CN201811078862 A CN 201811078862A CN 109162157 A CN109162157 A CN 109162157A
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- China
- Prior art keywords
- track girder
- pier stud
- support
- track
- cast
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Classifications
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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
- E01B25/00—Tracks for special kinds of railways
- E01B25/08—Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
- E01B25/10—Mono-rails; Auxiliary balancing rails; Supports or connections for rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of construction method of track girder, include the following steps: that pier stud of constructing is arranged at position in track girder；In the side for corresponding to track girder to be installed on the pier stud, supporting apparatus is set；Track girder is lifted to the supporting apparatus between two adjacent pier studs, the track girder is supported by the supporting apparatus；And the end part aligning of the track girder of same pier stud two sides will be located at, and cast-in-place linkage section connection of constructing is located at the track girder of same pier stud two sides to align, and the cast-in-place linkage section is supported on the pier stud, becomes the construction of connection structure so as to complete track girder freely-supported.The present invention sets up track girder using supporting apparatus is arranged in the side of pier stud, using supporting apparatus come supporting track beam, and then utilize being connected between cast-in-place linkage section completion track girder, track girder and pier stud are linked together by cast-in-place linkage section, form Simply supported non-uniform structure.
Description
Technical field
The present invention relates to monorail transit engineering fields, refer in particular to a kind of construction method of track girder.
Background technique
With the development of society, quick, the light feature of railway traffic has obtained more and more embodiments, make
Its construction scale of the cross-saddle single-track traffic of low freight volume is also increasing in.BYD cloud rail and Chongqing Light Railway be all it is small across
The simple beam structure of degree is continuous rigid frame in Wuhu light rail structural shape built, at present in the cross-saddle single-track traffic field country
There are no mature Simply supported non-uniform construction technology and the successful construction experiences of this respect.So it is urgent to provide a kind of rails now
The construction method of road beam, with the technological gap filled up in cross-saddle single-track traffic field.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of construction method of track girder is provided, is solved existing
The problem of there are no mature Simply supported non-uniform construction technology and relevant construction experiences in cross-saddle single-track traffic field.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of construction methods of track girder, include the following steps:
The construction pier stud at track girder setting position；
In the side for corresponding to track girder to be installed on the pier stud, supporting apparatus is set；
Track girder is lifted to the supporting apparatus between two adjacent pier studs, is filled by the temporary support
Set the support track girder；And
The end part aligning of the track girder of same pier stud two sides will be located at, and cast-in-place linkage section connection of constructing is located at same pier
The track girder of column two sides to align, and the cast-in-place linkage section is supported on the pier stud, so as to complete track girder letter
The construction of branch change connection structure.
The present invention sets up track girder using supporting apparatus is arranged in the side of pier stud, utilizes supporting apparatus
Carry out supporting track beam, and then using being connected between cast-in-place linkage section completion track girder, that is, passes through cast-in-place linkage section for track
Beam links together with pier stud, forms Simply supported non-uniform structure.It is full since track girder is subsequent directly as Crane Rail
The bonding strength of cast-in-place linkage section between two track girders of foot, need to be by the width design of cast-in-place linkage section at the branch being greater than on pier stud
The width for supportting seat, so track girder can not directly ride upon on the support base on pier stud.For the erection for solving the problems, such as track girder,
The invention proposes come supporting track beam, and then being connected for track girder is completed using supporting apparatus, solve existing
There is the problem of there are no mature Simply supported non-uniform construction technology and relevant construction experiences in cross-saddle single-track traffic field.
The construction method of track girder of the present invention further improvement lies in that, further includes:
Corresponded on the supporting apparatus track girder to be installed position installation support with adjustable, it is described can
Adjusting support can along longitudinal direction, carries out laterally and vertically three-dimensional regulation；
Before ceiling mounted tracks beam, the position for adjusting the support with adjustable makes the supporting surface position of the support with adjustable
It sets corresponding with the installation site of track girder.
The construction method of track girder of the present invention further improvement lies in that, track girder is lifted to two adjacent pier studs
Between supporting apparatus on include:
Track girder is hung to corresponding support with adjustable, during placing the track girder, to the track
Beam carries out the adjustment of first time line style, is put off the track girder to described adjustable according to the designed lines center of the track girder
It saves on support at corresponding position.
The construction method of track girder of the present invention further improvement lies in that, the track girder of same pier stud two sides will be located at
End part aligning includes:
Three-dimensional regulation longitudinally, laterally and vertically is carried out to the track girder using the support with adjustable, until institute
It states track girder to be adjusted in place, and the end for being located at the track girder of same pier stud two sides aligns.
The construction method of track girder of the present invention further improvement lies in that, further includes:
Before ceiling mounted tracks beam, gate-type anti-dumping frame is installed at the both ends of the track girder；
The track girder is lifted to corresponding supporting apparatus by the gate-type anti-tilter, and by the door
The anti-tilter of formula is placed on corresponding supporting apparatus.
The construction method of track girder of the present invention further improvement lies in that, installation gate-type anti-dumping frame include:
One door type frame is provided, the door type frame is fastened on the track girder；
Hold-down mechanism is provided, the hold-down mechanism is adjustably installed in the top and opposite two of the door type frame
On side, adjusts the hold-down mechanism and the end of the hold-down mechanism is made to pass through the door type frame and be resisted against the track
The surface of beam, and then the track girder is clamped；
It provides and adjusts strut and supporting plate, described one end for adjusting strut is articulated with to the side of the door type frame, it is another
End is articulated with the corresponding supporting plate, and the adjustable in length for adjusting strut adjusts the length for adjusting strut and makes
The adjusting strut skewed horizontal load is obtained in the side of the door type frame；
One bottom plate is provided, by the bottom plate be placed in the bottom of the track girder and with the door type frame bottom it is hinged.
The construction method of track girder of the present invention further improvement lies in that, the top of the track girder is buried close to end
Equipped with junction steel plate, the junction steel plate has the end for partially protruding out the track girder；
After it will be located at the end part aligning of track girder of same pier stud two sides, in the corresponding track in same pier stud two sides
It is fixedly connected with bending resistant steel plate between the junction steel plate of beam, the bending resistant steel plate is welded and fixed with corresponding junction steel plate.
The construction method of track girder of the present invention further improvement lies in that, further includes:
Construct cast-in-place linkage section when, support base is set on the pier stud；
The installation support seat board on the support base；
Inlet part is set on the support seat board；
In being arranged a pre-embedded steel slab on the inlet part and be placed in the pre-embedded steel slab on the support seat board；
The pre-embedded steel slab is fixedly connected with corresponding inlet part；
The end template is passed through the card being arranged thereon by the end template that cast-in-place linkage section is installed on the support base
Mouth is tightly fastened in the support seat board；
The admittedly described inlet part and the pre-embedded steel slab are buried by the cast-in-place company in the cast-in-place linkage section formed by construction
Section is connect to connect with the support base.
The construction method of track girder of the present invention further improvement lies in that, multiple preformed holes are installed on the pier stud；
When support base is set on pier stud, in the fixed cast-in fixing bolt in the bottom of the support base, and will be described pre-buried
Anchor bolt is inserted in corresponding preformed hole；
Wedge block is set on the pier stud, support the bottom of the support base using the wedge block and makes institute
It states and is formed with gap between the bottom of support base and the top surface of the pier stud；
The Pier Formwork for being set to the gap is kept off in installing on the pier stud；
And be in the milk by the gap into the preformed hole, until filling up the gap, to utilize grouting
The structure of formation is connected to the support base and the pier stud.
The construction method of track girder of the present invention further improvement lies in that, further include between two opposite track girders
Construction Support connects the crossbeam of two track girders.
Detailed description of the invention
Fig. 1 is that the construction method middle orbit beam of track girder of the present invention is installed on the structural schematic diagram of the first side on pier stud.
Fig. 2 is that the construction method middle orbit beam of track girder of the present invention is installed on the structural schematic diagram of second side on pier stud.
Fig. 3 is the structural schematic diagram for installing supporting apparatus in the construction method of track girder of the present invention at pier stud.
Fig. 4 is the enlarged diagram on the top of structure shown in Fig. 3.
Fig. 5 is the structure for the corresponding setting of track girder being located on same pier stud in the construction method of track girder of the present invention
Schematic diagram.
Fig. 6 is that the track girder being oppositely arranged being located on same pier stud in the construction method of track girder of the present invention passes through now
Pour the structural schematic diagram of linkage section connection.
Fig. 7 is the side view of the first side of structure shown in Fig. 6.
Fig. 8 is the side view of second side of structure shown in Fig. 6.
Fig. 9 is that the construction method middle orbit beam of track girder of the present invention is placed in support with adjustable by the anti-tilter of gate-type
Structural schematic diagram.
Figure 10 is the side view of structure shown in Fig. 9.
Figure 11 is that the structure of the door type frame and hold-down mechanism in the construction method of track girder of the present invention in the anti-tilter of gate-type is shown
It is intended to.
Figure 12 is the side view of the door type frame in the construction method of track girder of the present invention in the anti-tilter of gate-type.
Figure 13 is the side view of the first side of the bottom plate in the construction method of track girder of the present invention in the anti-tilter of gate-type.
Figure 14 is the side view of the other side of bottom plate shown in Figure 13.
Figure 15 is the top view of bottom plate shown in Figure 13.
Figure 16 is the top view of support with adjustable in the construction method of track girder of the present invention.
Figure 17 is the side view of the first side of support with adjustable shown in Figure 16.
Figure 18 is the side view of second side of support with adjustable shown in Figure 16.
Figure 19 is the cross-sectional view of support base and cast-in-place connection section connection structure in the construction method of track girder of the present invention.
Figure 20 is partial enlargement diagram at cast-in-place linkage section shown in Figure 19.
Figure 21 is the structural schematic diagram of support base and pier stud junction formwork in the construction method of track girder of the present invention.
Figure 22 is support base and the structural schematic diagram after the grouting of pier stud junction in the construction method of track girder of the present invention.
Figure 23 is the structural schematic diagram after the construction method middle orbit beam of track girder of the present invention is installed.
Figure 24 is the structural schematic diagram that crane lifting track girder is utilized in the construction method of track girder of the present invention.
Figure 25 to Figure 31 is the decomposition step schematic diagram of ceiling mounted tracks beam in the construction method of track girder of the present invention.
Figure 32 to Figure 41 is the decomposition step signal in the construction method of track girder of the present invention in sealing section ceiling mounted tracks beam
Figure.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refering to fig. 1, the present invention provides a kind of construction methods of track girder, for filling up the country at present in straddle-type list
The rail field of traffic technological gap that mature Simply supported non-uniform is constructed not yet, provides preciousness for cross-saddle single-track traffic field
Construction experience.Track girder freely-supported becomes connection structure and completes structural system shaft, cast-in-place linkage section and track girder directly as
The running face of locomotive is very high to the required precision of erection of track beam and Program for structural Transformation.With reference to the accompanying drawing to the present invention
The construction method of track girder is illustrated.
Refering to fig. 1, it is shown that the construction method middle orbit beam of track girder of the present invention is installed on the knot of the first side on pier stud
Structure schematic diagram.Referring to Fig.2, showing that the construction method middle orbit beam of track girder of the present invention is installed on second side on pier stud
Structural schematic diagram.Below with reference to Fig. 1 and Fig. 2, the construction method of track girder of the present invention is illustrated.
As depicted in figs. 1 and 2, the construction method of track girder of the invention, includes the following steps:
The construction pier stud 22 at the setting position of track girder 21；
As shown in connection with fig. 3, supporting apparatus 40 is set in the side for corresponding to track girder 21 to be installed on pier stud 22；
As shown in connection with fig. 5, track girder 21 is lifted to the supporting apparatus 40 between two adjacent pier studs 22,
Pass through 40 supporting track beam of supporting apparatus；And
In conjunction with shown in Fig. 6 and Fig. 8, the end part aligning of the track girder 21 of same pier stud two sides, and the cast-in-place company that constructs will be located at
Connect section 24 connection be located at same 22 two sides of pier stud the track girder 21 to align, and cast-in-place linkage section 24 be supported in pier stud 22 it
On, become the construction of connection structure so as to complete track girder freely-supported.
The present invention sets up track girder using supporting apparatus is arranged in the side of pier stud, utilizes supporting apparatus
Carry out supporting track beam, solve the problems, such as that track girder can not directly ride upon on pier stud, and then completes rail using cast-in-place linkage section
Track girder and pier stud are linked together by cast-in-place linkage section, form Simply supported non-uniform knot by being connected between road beam
Structure.
The height of pier stud 22 of the invention in 15m or so, the weight of monolithic track girder 21 about 92t, so construction pier stud
When 22, it should be ensured that pier stud 22 has enough support strengths.As shown in Fig. 2, the bottom of pier stud 22 is provided with cushion cap 222, to mention
The supporting intensity of high cushion cap 222 when construction bearing platform 222, squeezes into two reinforcement stakes to underground in the position where cushion cap 222, and
The pile crown for reinforcing stake is embedded in cushion cap 222, the structural strength of cushion cap 222 is improved using reinforcement stake.Preferably, cushion cap
222 use reinforced concrete structure.As shown in connection with fig. 4, the top surface of pier stud 22 forms a burnishing surface, in the top surface of the pier stud 22
Place is equipped with support pinner 221, which is structure as a whole with pier stud 22, and support is installed using support pinner 221
Seat 50.As shown in connection with fig. 1, it is constructed according to the quantity of the track girder of setting 21 pier stud 22, pier stud 22 is set to two track girders 21
The end of connection is used for attachment rail beam 21, and 22 supporting track beam 21 of pier stud and cast-in-place is utilized after subsequent construction is good
Linkage section 24.
As shown in figure 3, supporting apparatus 40 includes supporting frame 41, the supporting frame 41 are set on cushion cap 222,
And supporting frame 41 is arranged around pier stud 22, supporting frame 41 connects into frame structure, and pier stud 22 is enclosed and is consolidated set on frame knot
It is fixed internal, the structural stability with higher of supporting frame 41 being arranged in this way, it can be ensured that construction safety.The supporting frame
41 include multiple columns, drawknot is connected to multiple cross bars between two adjacent columns and drawknot be connected to it is adjacent
First brace between two columns forms stable supporting frame by the column, cross bar and brace that link together
41.Preferably, column, cross bar and brace are all made of steel pipe.
Further, as shown in connection with fig. 4, at the top of supporting frame 41 in corresponding to track girder to be installed on pier stud 22
21 side is provided with distribution beam 42, and distribution beam 42 is placed in the top of supporting frame 41 and top with supporting frame 41
It is fixedly connected.The top surface of the distribution beam 42 is arranged close to the top surface of pier stud 22.For improve distribution beam 42 structural stability,
The end drawknot of two distribution beams 42 is connected with drawknot beam 43, and two drawknot beams 43 are attached at two distribution beams 42 respectively
Top and bottom, and by being fastenedly connected two drawknot beams 43 through the fastening bolts of two drawknot beams 43, to clamp
Two distribution beams 42, preferably, fastening bolt is set to the opposite sides of each distribution beam 42, thus two fastening bolts
Distribution beam 42 is clamped, distribution beam 42 has been limited, improves the structural stability of distribution beam 42.
As a better embodiment of the invention, construction method of the invention further include:
As shown in figure 4, corresponding to the adjustable branch of position installation of track girder 21 to be installed on supporting apparatus 40
Seat 37, the support with adjustable 37 can along longitudinal direction, carry out laterally and vertically three-dimensional regulation；
As shown in connection with fig. 5, before ceiling mounted tracks beam 21, the position for adjusting support with adjustable 37 makes support with adjustable 37
Supporting surface position it is corresponding with the installation site of track girder 21.
Support with adjustable 37 is placed in distribution beam 42, supports support with adjustable 37 using distribution beam 42, along longitudinal direction,
Three-dimensional regulation laterally and vertically is carried out to support with adjustable 37, so that the location of the supporting surface of support with adjustable 37
It is corresponding with the installation site of track girder 21, using support with adjustable 37 come supporting track beam 21.
Further, will include: in the lifting to the supporting apparatus 40 between two adjacent pier studs 22 of track girder 21
Track girder 21 is hung to corresponding support with adjustable 37, during placing track girder 21, to track girder
21 carry out the adjustment of first time line style, are put off track girder 21 to support with adjustable 37 according to the designed lines center of track girder 21
At upper corresponding position.
Using crane come ceiling mounted tracks beam 21, crane carries out first time line style when putting off track girder 21, to track girder 21
Adjustment controls the falling speed and drop-off positions of crane, guarantees the mistake for putting off position Yu designed lines center of track girder 21
It is poor minimum.
Further, will include: positioned at the step of end part aligning of the track girder 21 of same 22 two sides of pier stud
Three-dimensional regulation longitudinally, laterally and vertically is carried out to track girder 21 using support with adjustable 37, until track girder
21 are adjusted in place, and the end for being located at the track girder 21 of same 22 two sides of pier stud aligns.
After track girder 21 is put off to support with adjustable 37, second of line style adjustment is carried out to track girder 21, using can
The three-dimensional regulation longitudinally, laterally and vertically for adjusting support 37, first carries out horizontal and vertical position tune to track girder 21
Section then carries out vertical position to track girder again and adjusts, set so that track girder 21 is in so that track girder 21 is adjusted in place
At fixed absolute altitude.
As shown in Figure 16 to Figure 18, support with adjustable 37 includes bottom slide 371, middle part slide plate 372, slide top
373, vertical hydraulic jack 374, lateral hydraulic lifting jacks 375 and longitudinal hydraulic jack 376, middle part slide plate therein
372 between bottom slide 371 and slide top 373, and bottom slide 371, middle part slide plate 372 and slide top 373 it
Between can opposite sliding, in the both lateral sides of bottom slide 371 fixed two longitudinal hydraulic jacks 376, two longitudinal directions are hydraulic
Jack 376 is located at the lateral two sides of middle part slide plate 372, and side corresponding with middle part slide plate 372 is fixedly connected, thus logical
The jacking and retraction of two longitudinal hydraulic jacks 376 are crossed to realize drive middle part slide plate 372 relative to bottom slide 371
Longitudinal movement；Fixed two lateral hydraulic lifting jacks 375 in longitudinal two sides of slide plate 372, two lateral hydraulic lifting jacks at middle part
375 are located at the longitudinal two sides of slide top 373, and side corresponding with slide top 373 is fixedly connected, to pass through two
The jackings of lateral hydraulic lifting jacks 375 and retraction drive slide top 373 to move relative to the transverse direction of middle part slide plate 372 to realize
It is dynamic；Two vertical hydraulic jacks 374, the top support rail of two vertical hydraulic jacks 374 are erected on slide top 373
Road beam 21 is jacked by vertical hydraulic jack 374 and is bounced back to drive track girder 21 to move up and down, thus buffer rail
The vertical height of road beam 21.Longitudinal hydraulic jack 376 can realize that the displacement of the longitudinal direction of track girder 21 is adjusted, lateral liquid
Pressure jack 375 can realize that the displacement of the transverse direction of track girder 21 is adjusted, and vertical hydraulic jack 374 can realize vertical side
To displacement adjust, so that the longitudinally, laterally and vertical three-dimensional for realizing track girder 21 is adjusted.
Preferably, pad is equipped with the first sliding panel component between slide top 373 and middle part slide plate 372, in middle part slide plate
Pad is equipped with the second sliding panel component between 372 and bottom slide 371, is slided by the first sliding panel component of setting and second
Board group part facilitates the slidable adjustment between bottom slide 371, middle part slide plate 372 and slide top 373, the first sliding board group
Part and the second sliding panel component include the steel plate and tetrafluoroethene plate of upper and lower overlapping setting.
Lateral hydraulic lifting jacks 375, longitudinal hydraulic jack 376 and vertical hydraulic jack 374 are respectively provided with two, are
In order to improve the stability be turned up and adjusted, when carrying out lateral, longitudinal direction and vertical direction is adjusted, corresponding hydraulic jack
Piston rod simultaneously eject or retract at the same time.
Further, to improve construction safety, lockable mechanism is installed in vertical hydraulic jack 374, utilizes locking machine
Structure carries out locking to vertical hydraulic jack 374 after the vertical position of vertical hydraulic jack 374 adjustment prefabricated components 21,
Enable the vertical stable holding of hydraulic jack 374 state, after prefabricated components 21 complete installation, by lockable mechanism
Lockup state release, vertical hydraulic jack 374 can restore to the original state.As shown in Figure 17 and Figure 18, vertical hydraulic jack
374 include cylinder body 3741 and the piston rod in cylinder body 3741, which can move reciprocatingly, i.e., outside extended cylinder body
Or it is retracted in cylinder body.It is equipped with correction ball plate 3742 on the top of piston rod, prefabricated components are supported by the correction ball plate 3742
21.Lockable mechanism includes the external screw thread on the piston rod and the lock-nut 3743 that is screwed on the piston rod, initially
When, lock-nut 3743 is placed between cylinder body 3741 and correction ball plate 3742, is ejected certain altitude in piston rod and is adjusted prefabricated
When the vertical displacement of component 21, after adjusting in place, lock-nut 3743 is rotated down to the top for being resisted against cylinder body 3741,
To which piston rod can not be moved down by the mechanical locking function of lock-nut 3743 and cylinder body 3741, it is able to maintain pre-
Component 21 processed always steadily be in required height, after prefabricated components 21 are installed, by lock-nut 3743 screw to
Correct ball plate 3742 bottom, then vertical 374 regracting piston rod of hydraulic jack and restore to original state.It screws for convenience
Lock-nut 3743 is arranged lock-nut handle hole 3744 in the outside of lock-nut 3743, passes through lock-nut handle hole
3744 cooperate mating bolts to screw lock-nut 3743.
As another better embodiment of the invention, construction method of the invention further include:
As shown in Figure 9 and Figure 10, before ceiling mounted tracks beam 21, gate-type anti-dumping frame is installed at the both ends of track girder 21
30；Structure shown in Fig. 9 is the structure of a preferred embodiment of the anti-tilter 30 of gate-type.
In conjunction with shown in Fig. 5 to Fig. 8, track girder 21 is lifted to corresponding supporting apparatus by gate-type anti-tilter 30
On 40, and the anti-tilter 30 of gate-type is placed on corresponding supporting apparatus 40.
Track girder 21 needs to guarantee its stability during setting up and line style adjustment, and the anti-tilter of gate-type is sit-astride list
Rail traffic engineering erection of track beam prevents the dedicated setting toppled, fixed and auxiliary is supported to realize the adjustment of track girder line style, real
The Program for structural Transformation of existing Simply supported non-uniform.
Further, installation gate-type anti-dumping frame 30 includes:
One door type frame 31 is provided, door type frame 31 is fastened on track girder 21；
Hold-down mechanism 32 is provided, hold-down mechanism 32 is adjustably installed in the top and opposite two sides of door type frame 31
In portion, regulation hold-down mechanism 32 makes the end of hold-down mechanism 32 pass through door type frame 31 and be resisted against the surface of track girder 21, into
And track girder 21 is clamped；
It provides and adjusts strut 34 and supporting plate 35, the one end for adjusting strut 34 is articulated with to the side of door type frame 31, it is another
End is articulated with corresponding supporting plate 35, adjusts the adjustable in length of strut 34, adjusts the length of strut 34 and to adjust
34 skewed horizontal load of strut is in the side of door type frame 31；
One bottom plate 33 is provided, by bottom plate 33 be placed in the bottom of track girder 21 and with 31 bottom of door type frame it is hinged.
The anti-tilter 30 of gate-type of the invention is fastened on track girder 21, using hold-down mechanism 32 can grip track beam 21, benefit
With the anti-tilter 30 of gate-type come ceiling mounted tracks beam 21, avoids and hoisting structure is set on track girder 21, track is effectively guaranteed
The structural intergrity and aesthetics of beam.It, can be slanting using the adjusting strut 34 of the adjustable in length of door type frame two sides setting
Track girder 21 is supported, support action is played to track girder 21, it is therefore prevented that track girder 21 topples, and ensures that construction
Safety.
In 30 ceiling mounted tracks beam 21 of tilter anti-using gate-type, the bottom plate 33 of the anti-tilter 30 of gate-type is placed in adjustable
The supporting plate 35 of the vertical hydraulic jack 374 of support 37, the anti-tilter 30 of gate-type is placed in distribution beam 42, to adjust support
34 skewed horizontal load of bar is between distribution beam 42 and the side of door type frame 31, namely adjusts 34 skewed horizontal load of strut in track girder 21
Two sides, improve the stability of the erection of track girder 21.
As shown in FIG. 13 to 15, the both ends of bottom plate 33 correspond to vertical bar 312 equipped with recess, are vertically equipped in the two sides of recess
Third otic placode 331, in conjunction with shown in Fig. 3 and Fig. 4, the recess for partially passing through bottom plate 33 is arranged at the bottom of vertical bar 312, and have part with
Third otic placode 331 is corresponding, and the bolt by wearing third otic placode 331 and vertical bar 312 realizes the bottom and bottom of vertical bar 312
Plate 33 is articulated and connected.
Preferably, being equipped with flexible pad on bottom plate 33, which is attached at the bottom surface of track girder 21, utilizes flexibility
Pad plays a protective role to track girder 21.
Further, further includes: pull rod 36 is provided, one end of pull rod 36 is articulated with supporting plate 35, the other end is articulated with
The bottom of door type frame 31, so that 36 skewed horizontal load of pull rod is between the bottom and supporting plate 35 of door type frame 31.
Bottom and the supporting plate 35 that connection door type frame 31 is supported using pull rod 36 carry out diagonal brace to the bottom of track girder 21
It is fixed, improve the stability of track girder 21.
In conjunction with shown in Figure 11 and Figure 12, door type frame 31 includes cross bar 311 and the vertical bar for being vertically connected on 311 both ends of cross bar
312, the top of cross bar 311 is provided with lifting lug, so that crane is lifted by the lifting lug.It is equipped in the bottom of vertical bar 312
A pair of second otic placode 3122, one end of pull rod 36 are inserted between a pair of second otic placode 3122, and then by wearing a pair of of otic placode
3122 connect with the bolt fastening of 36 end of pull rod, and the other end of pull rod 36 is also realized with supporting plate 35 in the same way
Hingedly.
Further, before door type frame 31 being fastened on track girder 21 to be installed further include:
As shown in figures 9 and 11, rubber pad 321 and backing plate are provided, rubber pad 321 is attached on track girder 21 corresponding
At the position of hold-down mechanism 32, backing plate pad is set on rubber pad 321, thus in the end of hold-down mechanism 32 against track girder
When 21, rubber pad 321 and padding plate clip are set between the end and track girder 21 of hold-down mechanism 32.
Rubber pad 321 is sticked on track girder 21, to avoid the end direct contact track beam 21 of hold-down mechanism 32
Surface plays the role of protection to track girder 21.The outside of rubber pad 321 is sticked backing plate, can provide for hold-down mechanism 32 flat
Whole stable seal face, preferably the backing plate is steel plate.
Further, hold-down mechanism 32 is puller bolt, and corresponding position opens up threaded hole on door type frame 31, will
Puller bolt is screwed together in corresponding threaded hole, and then makes the end of puller bolt to track and screwing the puller bolt
Direction where beam 21 is protruded into, and continues to screw the puller bolt until the end of puller bolt is tightly abutted against on backing plate, and is led to
It crosses backing plate to be compressed tightly against rubber pad 321 on the surface of track girder 21, realizes the effect of puller bolt grip track beam 21
Fruit.The end for being located at 31 outside of door type frame on puller bolt is provided with the handle screwed, to facilitate torquing operations.
Preferably, the hold-down mechanism 32 for being located at 31 both sides of door type frame is oppositely arranged.31 both sides of door type frame will be located at
The end of hold-down mechanism 32 be designed as flat face, can side corresponding with track girder 21 lean well.Door will be located at
The end of the hold-down mechanism at 31 top of type frame uses ball head structure, using ball head structure come 21 top surface of adaptive track girder
Longitudinal slope, enable the hold-down mechanism positioned at top to be well adapted for the slope surface angle of 21 top surface of track girder, and support well
It is against the top surface of track girder 21.
Still further, as shown in Figure 9 and Figure 10, adjusting strut 34 includes first screw rod hinged with door type frame 31
341, second screw rod 342 hinged with supporting plate 35 and it is screwed together in the adjusting sleeve pipe of the first screw rod 341 and the second screw rod 342
343, rotation adjusting sleeve pipe 343 may make the first screw rod 341 and the second screw rod 342 protruded into simultaneously into adjusting sleeve pipe 343 or from
It is stretched out in adjusting sleeve pipe 343 and then realizes the length for adjusting strut 34.
Preferably, two nuts positioned at 343 both ends of adjusting sleeve pipe are in just in the fixed nut in 343 end of adjusting sleeve pipe
Anti- silk, using the nut of 343 end of adjusting sleeve pipe and 342 company of screwing togather of corresponding first screw rod 341 and the second screw rod is arranged in
It connects, thus when rotating the adjusting sleeve pipe 343, by driving two nuts rotations, and then realizes the first screw rod 341 and the
Two screw rods 342 move toward one another or counter motion, i.e. the first screw rod 341 and the second screw rod 342 are simultaneously into adjusting sleeve pipe 343
Portion protrudes into short will adjust the length tune of strut 34, and the first screw rod 341 and the second screw rod 342 are simultaneously to adjusting sleeve pipe 343
Outside is stretched out long will adjust the length tune of strut 34.
Further, in conjunction with shown in Figure 11, the outside of the vertical bar 312 of door type frame 31 is provided with a pair of first otic placode
3121, preferably, by first otic placode of a pair 3121 at the top position in the middle part of vertical bar 312, in conjunction with shown in Figure 12,
A pair of first otic placode 3121 is oppositely arranged and is installed with therebetween certain spacing, cooperates shown in Fig. 9 and Figure 10, the first screw rod 341
End extend between the first otic placode 3121 and the connection bolt by wearing first otic placode 3121 and the first screw rod 341
Realize the articulated connection of the first screw rod 341 and vertical bar 312.Adjust the top that strut 34 is supported in the two sides of track girder 21
Place effectively can play the fixed effect of anti-dumping to door type frame and track girder.
As another better embodiment of the invention, in the present embodiment, gate-type anti-dumping is installed on track girder 21
Frame 30 is equipped with support with adjustable 37 in the distribution beam 42 of supporting apparatus 40 in order to the lifting of track girder 21, below
To track girder 21 hang and position adjustment is illustrated.
Track girder 21 is lifted on support with adjustable 37 by door type frame 31 using crane, and bottom plate 33 is placed in
On support with adjustable 37, the correspondence of supporting plate 35 is placed on distribution beam 42, and distribution beam 42 is that supporting plate 35 provides support force,
So that adjusting 34 skewed horizontal load of strut in the two sides of track girder 21, it is ensured that the stability of track girder 21.By in track girder
Corresponding adjusting strut 34 and pull rod 36 is arranged in 21 two sides and bottom, plays support action to track girder 21, can be improved
Stability of the track girder 21 in assembling process.Using the horizontal and vertical regulatory function of support with adjustable 37, by track girder
21 position is adjusted in place, and is then fixedly connected with supporting plate 35 with distribution beam 42.Followed by the vertical of support with adjustable 37
Track girder 21 is adjusted in place by regulatory function, during adjusting vertically, synchronizes the length for manually adjusting and adjusting strut 34, and
The position of track girder 21 is adjusted in place, since vertical adjustment belongs to trace regulation, so manually adjust strut can with it is perpendicular
Match to adjusting, and keeps the stability of track girder 21.After adjusting in place, vertical hydraulic the thousand of support with adjustable 37 are utilized
The lock-nut on jin top 374 is by the piston rod locking of the vertical hydraulic jack 374, to stablize supporting track beam 21.Then it applies
The connection structure of work track girder 21, i.e., cast-in-place linkage section 24 complete the installation of track girder 21 to complete the installation of track girder 21
The anti-tilter 30 of gate-type and adjustable support seat 37 and supporting apparatus 40 are removed again later.
As another better embodiment of the invention, the end of track girder 21 is installed with reinforcing bar linkage section (shown in Fig. 5
Structure in reinforcing bar linkage section is not shown), during track girder 21 is prefabricated, by inside track girder 21 reinforcing bar stretch out rail
The end template of road beam 21, and the end of track girder 21 made of making is extended with multiple reinforcing bar linkage sections, in reinforcing bar linkage section
On be screwed with straight screw sleeve；In the end part aligning for the track girder 21 that will be located at same 22 two sides of pier stud, cast-in-place linkage section of constructing
Before further include: the reinforcing bar linkage section of two track girders 21 is connected, using support with adjustable 37 by two tracks
When beam 21 is adjusted in place, the reinforcing bar linkage section on two track girders 21 aligns, and passes through the straight spiral shell being preset on reinforcing bar linkage section
Line sleeve is screwed together with corresponding another reinforcing bar linkage section, and completes the docking of corresponding two reinforcing bar linkage sections.Two
The reinforcing bar linkage section of 21 end of track girder setting, it is subsequent to be embedded in cast-in-place linkage section 24, to improve cast-in-place linkage section 24
Globality between two track girders 21.
Further, the top of track girder 21 is embedded with junction steel plate close to end, which has part to protrude out
The end of errant beam 21, the top surface of junction steel plate and the top surface flush of track girder 21；Same 22 two sides of pier stud will be located at
Track girder 21 end part aligning after, it is fixed between the junction steel plate of the corresponding track girder 21 in same 22 two sides of pier stud to connect
Bending resistant steel plate is connect, bending resistant steel plate is welded and fixed with corresponding junction steel plate, and the either flush of bending resistant steel plate and junction steel plate
Setting.Bending resistant steel plate and junction steel plate are pouring cast-in-place linkage section together as the top template of cast-in-place linkage section 24 later
After 24, bending resistant steel plate and junction steel plate link into an integrated entity with cast-in-place linkage section 24, and the bending resistant steel plate and junction steel plate play
The effect of anti-hogging moment strengthens the structural strength of cast-in-place linkage section 24.
Construction method of the invention further include:
As illustrated in figures 19 and 20, construct cast-in-place linkage section 24 when, on pier stud 22 be arranged support base 50；
The installation support seat board 51 on support base 50；
Inlet part 52 is set on support seat board 51；
It is supported on seat board 51 in being arranged a pre-embedded steel slab 53 on inlet part 52 and being placed in pre-embedded steel slab 53；
Pre-embedded steel slab 53 is fixedly connected with corresponding inlet part 52；
It is tight to be passed through the bayonet being arranged thereon by the end template that cast-in-place linkage section 24 is installed on support base 50 for end template
It is close to be fastened in support seat board 51；
Solid inlet part 52 and pre-embedded steel slab 51 are buried by cast-in-place linkage section 24 in the cast-in-place linkage section 24 formed by construction
It is connect with support base 50.
Preferably, inlet part 52 uses bolt, and the end of bolt is bent to form an anchoring section.
When installing the end template of cast-in-place linkage section 24, cutting is formed on end template is adapted with support seat board 51
A bayonet, then by the end template along center subtemplate into two pieces, when installation, by two panels subtemplate in cast-in-place linkage section
It is docked at bottom, so that the bayonet on end template is just nested with the support seat board 51 on support base 50 tight, then by two
Piece subtemplate is connected firmly, and in the top of support base 50 setting cushion block by end template support pad to setting absolute altitude.End template
With support seat board 51 together as the bottom template at cast-in-place linkage section 24.
Then side template is connected in the two sides of end template and junction steel plate and bending resistant steel plate, then end template, support seat cushion
Plate 51, side template, junction steel plate and bending resistant steel plate have been enclosed the casting space of cast-in-place linkage section 24 together, in connection steel
The corresponding casting space is reserved on plate pours mouth, by this pour mouth casting concrete into casting space formed it is cast-in-place
Linkage section 24 is removed side template and end template, the top of cast-in-place linkage section 24 after cast-in-place linkage section 24 reaches design strength
Portion and bottom are embedded with steel plate, and the bending resistant steel plate and junction steel plate at cast-in-place 24 top of linkage section play the work of anti-hogging moment
With the pre-embedded steel slab 53 and inlet part 52 of bottom make the connection of cast-in-place linkage section 24 and 50 firm stable of support base.
For the concrete that cast-in-place linkage section 24 uses for C60 self-compacting concrete, intensity requirement is high, proportion are as follows: water-cement ratio is
0.34, cement 368kg/m3, flyash 158kg/m3, stone 848kg/m3, sand 768kg/m3, unit consumption of water
For 179kg/m3, Su Bote high-efficiency water-reducing agent of poly-carboxylic acid volume is 1.2%.Before casting concrete, said ratio is mixed
Solidifying soil carries out anti-fatigue test, and to examine the structural strength of the concrete of the proportion, it is strong that verified its meets track girder connection
The requirement of degree.
Further, as shown in figure 21 and figure, multiple preformed holes 2211 are installed on pier stud 22, by support base 50
When on pier stud 22, corresponding reserve is inserted in the fixed cast-in fixing bolt 54 in the bottom of support base 50, and by cast-in fixing bolt 54
In hole 2211；
Wedge block 55 is set on pier stud 22, support the bottom of support base 50 using wedge block 55 and makes support base
Gap 56 is formed between 50 bottom and the top surface of pier stud 22；The height in the gap 56 is preferably 20mm to 50mm；
The Pier Formwork 223 for being set to gap 56 is kept off in installing on pier stud 22；
And be in the milk by gap 56 into preformed hole 2211, until filling up gap 56, to be formed using grouting
Structure i.e. be in the milk structure 57 be connected to support base 50 and pier stud 22.
As shown in connection with fig. 4, the top surface of pier stud 22 corresponds to support base 50 and is provided with support pinner 221, and preformed hole 2211, which stays, to be set
On support pinner 221.Grouting material uses M50 dry non-shrink mortar, and uses gravity grouting way, from support base
50 centre is perfused around, until the bottom periphery gap location in Pier Formwork 223 and support base 50 extends through tube coupling
Until material is all filled, in filling process, it should ensure that perfusion is closely knit.
Hold-down support can be used in mounting base 50, and movable bearing support can also be used, and is usually all made of hold-down support, and for rear
Phase needs to carry out that movable bearing support is arranged at the station simply supported beam of line style adjustment, and being internally provided with for movable bearing support can vertical lifting
The oil cylinder of adjusting utilizes the height at the adjustable station simply supported beam of the lifting of oil cylinder.
As another better embodiment of the invention, as shown in figure 23, construction method of the invention further include: Yu Xiang
Pair two track girders 21 between Construction Support connect two track girders 21 crossbeam 23.Crossbeam 23 uses girder steel, in conjunction with Fig. 5
It is shown, it is embedded with connector 211 in the side of track girder 21, after track girder 21 is installed, between two track girders 21
Support setting crossbeam 23, and crossbeam 23 is welded and fixed with corresponding connector 211, using crossbeam 23 by two opposite rails
Road beam 21 links together, and forms stable overall structure.The top of each track girder 21 is the driving rail for being used as locomotive
Road.
Further, the construction bent cap 25 between two opposite cast-in-place linkage sections 24, bent cap 25 use armored concrete
Structure connects two opposite cast-in-place linkage sections 24 using bent cap 25, so as to form stable overall structure.
The hoisting process of track girder 21 is illustrated below.
As shown in figure 24, using two cranes together ceiling mounted tracks beam 21, the first crane 61 and the corresponding company of the second crane 62
The anti-tilter of gate-type of 21 end of track girder is connect, then together lifts track girder 21 in place.In general section and half finalization area
Section hoisting process are as follows: as shown in figure 25, beam car is marched into the arena, and track girder 21 is transported at position to be lifted；Then such as Figure 26 institute
Show, the first crane 61 and the second crane 62 are marched into the arena in place, and by 7m operating radius occupy-place, beam car is down to lifting operation area；Such as
Shown in Figure 27, the first crane 61 and the second crane 62 connection drum the anti-tilter of gate-type of 21 ends is fallen into, track girder 21 has been risen
Up to exceed pier stud height 50cm, the operating radius direction of the first crane 61 rotates counterclockwise, and the second crane 62 follows first to hang
Vehicle 61 rotates, and the second crane 62 is rotated clockwise, with 61 simultaneously operating of the first crane；As shown in figure 28, in track girder
After 21 are hung to 22 top of pier stud, the first crane 61 and the second crane 62 are finely adjusted, and after adjustment is in place, put off track girder 21, complete
At the erection of monolithic track girder 21；As shown in figure 29, next track girder 21 is lifted, the first displacement outward of crane 61, first hangs
For vehicle 61 away from 22 center 9m of pier stud, the second crane 62 is motionless, and after beam car is in place, track girder 21 is played high 50cm, beam car from
It opens；As shown in figure 30, track girder 21 is played more than 22 height 50cm of pier stud, and the first crane 61 rotates counterclockwise, and second
Crane 62 is synchronous with the first crane 61 and is rotated clockwise to decorating position, and track girder adjustment is in place, falls beam after inspection is errorless,
A hole erection of track beam is completed, that is, the erection of two track girders 21 between two adjacent pier studs is completed, according to above-mentioned side
Method can sequentially complete the lifting of track girder 21.
In the hoisting process of sealing section track girder 21 are as follows: as shown in figure 32, the pier stud at the position to be lifted of track girder 21
The track girder in 22 outsides has installed, and the first crane 61 is first marched into the arena, and beam car is ready, 61 radius of turn of the first crane
For 8m, as shown in figure 33, beam car along director backward down between two pier studs, march into the arena by the second crane 62, the second crane 62 and the
One crane 61 forms diagonal standing, and as shown in figure 34, the first crane 61 and the second crane 62 sling track girder 21, beam car
It leaves.Track girder Synchronous lifting is more than pier stud 50cm, as shown in figure 35, the first crane by the first crane 61 and the second crane 62
61 and second crane 62 sling track girder, as shown in Figure 36, the second crane 62 is adjusted in place rear motionless, 61 up time of the first crane
Needle rotation, the first crane 61 and the second crane 62 are finely adjusted, and track girder 21 is adjusted completion in place and falls beam；Such as Figure 37 institute
Show, the first crane 61 is moved to the side where the second crane 62, and the second crane 62 is moved away from the direction of the first crane 61
Position, the radius of turn of the first crane 61 and the second crane 62 are 8m, as shown in figure 38, beam car in place, the first crane 61 and the
After track girder 21 is sling 50cm by two cranes 62, beam car is left, as described in Figure 39, the cooperation of the first crane 61, the choosing of the second crane
It is rotated in place, as shown in figure 40, the second crane 62 cooperation, the first crane 61 is rotated in place, as shown in figure 41, falls after adjustment
Beam completes sealing section lifting.
Construction method of the invention has the beneficial effect that
Track girder Simply supported non-uniform structure is that First National formally promotes and applies in cross-saddle single-track traffic engineering field,
Mature construction technology and correlation experience can not used for reference and be followed, and construction method of the invention is cross-saddle single-track traffic
Field provides valuable construction experience, has filled up technological gap.
Support with adjustable can be realized vertical, longitudinal and lateral three-dimensional regulation of track girder, can guarantee track girder
Adjustment precision.
The anti-tilter of gate-type is used to prevent toppling in track girder construction, can cooperate the adjusting of support with adjustable, and gate-type
Anti- tilter is used for ceiling mounted tracks beam, convenient and efficient.
Integral, and cast-in-place company is connect with the track girder of two sides by the reinforcing bar linkage section reserved in cast-in-place linkage section
The support column for connecing section and bottom is connected firmly, and the junction steel plate and bending resistant steel plate being arranged at the top of cast-in-place linkage section bear maximum negative
Moment of flexure, after Program for structural Transformation, cast-in-place linkage section is fallen on support base, structure entirety good stress performance, and stability is good.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can basis
Above description makes many variations example to the present invention.Thus, certain details in embodiment should not be constituted to limit of the invention
Fixed, the present invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of construction method of track girder, which comprises the steps of:
The construction pier stud at track girder setting position；
In the side for corresponding to track girder to be installed on the pier stud, supporting apparatus is set；
Track girder is lifted to the supporting apparatus between two adjacent pier studs, is supported by the supporting apparatus
The track girder；And
The end part aligning of the track girder of same pier stud two sides will be located at, and cast-in-place linkage section connection of constructing is located at same pier stud two sides
The track girder to align, and the cast-in-place linkage section is supported on the pier stud, is become so as to complete track girder freely-supported and is connected
The construction of binding structure.
2. the construction method of track girder as described in claim 1, which is characterized in that further include:
The position installation support with adjustable of track girder to be installed, the adjustable branch are corresponded on the supporting apparatus
Seat can along longitudinal direction, carry out laterally and vertically three-dimensional regulation；
Before ceiling mounted tracks beam, the position for adjusting the support with adjustable makes supporting surface position and the rail of the support with adjustable
The installation site of road beam is corresponding.
3. the construction method of track girder as claimed in claim 2, which is characterized in that lifting track girder to two adjacent piers
Include: on supporting apparatus between column
Track girder is hung to corresponding support with adjustable, during placing the track girder, to the track girder into
The adjustment of row first time line style, puts off the track girder to the support with adjustable according to the designed lines center of the track girder
At upper corresponding position.
4. the construction method of track girder as claimed in claim 3, which is characterized in that the track girder of same pier stud two sides will be located at
End part aligning include:
Three-dimensional regulation longitudinally, laterally and vertically is carried out to the track girder using the support with adjustable, until the rail
Road beam is adjusted in place, and the end for being located at the track girder of same pier stud two sides aligns.
5. the construction method of track girder as described in claim 1, which is characterized in that further include:
Before ceiling mounted tracks beam, gate-type anti-dumping frame is installed at the both ends of the track girder；
The track girder is lifted to corresponding supporting apparatus by the gate-type anti-tilter, and by the gate-type anti-dumping
Frame is placed on corresponding supporting apparatus.
6. the construction method of track girder as claimed in claim 5, which is characterized in that installing gate-type anti-dumping frame includes:
One door type frame is provided, the door type frame is fastened on the track girder；
Hold-down mechanism is provided, the hold-down mechanism is adjustably installed in the top and opposite both sides of the door type frame
On, adjust the table that the hold-down mechanism makes the end of the hold-down mechanism pass through the door type frame and is resisted against the track girder
Face, and then the track girder is clamped；
It provides and adjusts strut and supporting plate, described one end for adjusting strut is articulated with to the side of the door type frame, other end hinge
It is connected to the corresponding supporting plate, the adjustable in length for adjusting strut adjusts the length for adjusting strut and makes institute
It states and adjusts strut skewed horizontal load in the side of the door type frame；
One bottom plate is provided, by the bottom plate be placed in the bottom of the track girder and with the door type frame bottom it is hinged.
7. the construction method of track girder as described in claim 1, which is characterized in that the top of the track girder is close to end
It is embedded with junction steel plate, the end that the junction steel plate has part to protrude out the track girder；
After it will be located at the end part aligning of track girder of same pier stud two sides, in the company of the corresponding track girder in same pier stud two sides
It connects and is fixedly connected with bending resistant steel plate between steel plate, the bending resistant steel plate is welded and fixed with corresponding junction steel plate.
8. the construction method of track girder as described in claim 1, which is characterized in that further include:
Construct cast-in-place linkage section when, support base is set on the pier stud；
The installation support seat board on the support base；
Inlet part is set on the support seat board；
In being arranged a pre-embedded steel slab on the inlet part and be placed in the pre-embedded steel slab on the support seat board；
The pre-embedded steel slab is fixedly connected with corresponding inlet part；
It is tight to be passed through the bayonet being arranged thereon by the end template that cast-in-place linkage section is installed on the support base for the end template
It is fastened in the support seat board；
The admittedly described inlet part and the pre-embedded steel slab are buried by the cast-in-place linkage section in the cast-in-place linkage section formed by construction
It is connect with the support base.
9. the construction method of track girder as claimed in claim 8, which is characterized in that be installed on the pier stud multiple reserved
Hole；
When support base to be set on pier stud, in the fixed cast-in fixing bolt in the bottom of the support base, and by the cast-in fixing bolt
It is inserted in corresponding preformed hole；
Wedge block is set on the pier stud, support the bottom of the support base using the wedge block and makes the support
Gap is formed between the bottom of seat and the top surface of the pier stud；
The Pier Formwork for being set to the gap is kept off in installing on the pier stud；
And be in the milk by the gap into the preformed hole, until filling up the gap, to be formed using grouting
Structure be connected to the support base and the pier stud.
10. the construction method of track girder as described in claim 1, which is characterized in that further include in two opposite track girders
Between Construction Support connect two track girders crossbeam.
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| CN201811078862.0A CN109162157A (en) | 2018-09-17 | 2018-09-17 | The construction method of track girder |
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| CN201811078862.0A CN109162157A (en) | 2018-09-17 | 2018-09-17 | The construction method of track girder |
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Application publication date: 20190108 |