CN108374296B - The construction method of straddle type monorail rail tracks installation - Google Patents
The construction method of straddle type monorail rail tracks installation Download PDFInfo
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- CN108374296B CN108374296B CN201810164413.1A CN201810164413A CN108374296B CN 108374296 B CN108374296 B CN 108374296B CN 201810164413 A CN201810164413 A CN 201810164413A CN 108374296 B CN108374296 B CN 108374296B
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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
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- Mechanical Engineering (AREA)
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- Structural Engineering (AREA)
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- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of construction method of straddle type monorail rail tracks installation, include the following steps: 1) track girder lifting: bearing platform construction → pier stud construction → cap beam construction → bracket is set up, and → track girder transport is in place → installs stable ferrule, lifting hoop → installation temporary support and permanent support → lifting → installation temporary fastening device → release lifting rope；2) track girder is installed: the adjustment of track girder line style → after pour the welding of section steel plate → then pour section construct → pour fulcrum crossbeam between the trajectory beam of left and right → construction span centre straining beam → dismounting temporary fastening device, temporary support, bracket.Construction method of the present invention can solve the problems, such as suspension centre when track girder lifting, temporary support, be fixed temporarily, Serial regulation difficulty, adapt to the erection and installation of the track girder, complicated landform track girder of different size, the security risk of construction is smaller.
Description
Technical field
The invention belongs to track girder technical field of construction, and in particular to a kind of construction party of straddle type monorail rail tracks installation
Method.
Background technique
Rail traffic refers to that vehicle in use needs a kind of vehicles for travelling in certain tracks or transportation system, such as by
The railway traffic system of traditional train and standard railroad composition.With the development in pluralism of train and railway technology, rail traffic
More and more types are showed, the land transport of long range is not only dispersed throughout, the city for being also widely used in short-distance and medium-distance is public
Altogether in traffic.
Cross-saddle single-track traffic belongs to medium-heavy road traffic Rail Transit System, and with low noise, climbing capacity is strong, turns partly
Diameter is small, rapid and convenient, takes up an area less, low cost, is conducive to the advantages that environmental protection, is modern city fast railway multilevel traffic
A kind of new model is generally widely used in the Rail Transit Systems such as subway, light rail.It constructs in straddle-type monorail transportation system
When, track girder is load-carrying members, and is walking track, therefore the lifting construction of track girder is the difficult point and emphasis of engineering；Especially
It is for curved section track girder, and since it is non-linear structure, center of gravity is difficult to control when lifting, and is set up to after bridge pier, temporarily
Fixed difficult, security risk is huge；In addition for the erection and installation of complicated landform track girder, since different rule may be used
The track girder of lattice, if the length of list Pin track girder, height, weight and antenna height are often different, existing Bridge Erector erection is applied
Work technology is difficult to meet construction requirement, therefore lifting, erection, the fixation of track girder are the construction hardly possiblies of straddle-type track girder lifting
Topic.
Summary of the invention
In view of the above-mentioned problems, rail can be solved the present invention provides a kind of construction method of straddle type monorail rail tracks installation
Road beam lift when suspension centre, temporary support, be fixed temporarily, the problem of Serial regulation difficulty, adapt to different size track girder, answer
The erection and installation of miscellaneous terrain track beam, the security risk of construction are smaller.
The present invention is achieved through the following technical solutions.
The construction method of straddle type monorail rail tracks installation, it is characterised in that include the following steps:
1) track girder lifts: and bearing platform construction → pier stud construction → cap beam construction → bracket sets up → and track girder transport is in place →
Stable ferrule, lifting hoop → installation temporary support and permanent support → lifting → installation temporary fastening device → release lifting rope are installed；
In the bearing platform construction step, cushion cap periphery uses concrete backfill and concrete hardening, and outside cushion cap and cushion cap
The top embedded bracket iron plate enclosed is as bracket basis；
The bracket is set up in step, is supported using steel pipe post, and steel pipe bottom end is first welded in the embedded bracket iron
On plate, then bridging is installed between steel pipe and is reinforced, and is used to support track in steel pipe top installation Two bors d's oeuveres I-steel
Beam, top, the bottom of Two bors d's oeuveres I-steel are welded and fixed with steel plate；
In the installation stable ferrule, lifting hoop step, stable ferrule is installed at the beam-ends of track girder, lifts hoop, stable ferrule,
Rubber cushion blocks are pressed from both sides between lifting hoop and the beam face of track girder, to protect track girder anti-sliding stop simultaneously；The stable ferrule, lifting hoop
It is to be bolted dismountable channel steel hoop, in order to stable ferrule, the installation and removal of lifting hoop；The bottom of the stable ferrule
Iron plate is welded as supporting point, to protect track soffit not to be damaged；The top of the lifting hoop is provided with suspension centre；
In the installation temporary support and permanent support step, track girder two is welded on by steel plate using three-way jack
As the temporary support for supporting and fixing track girder on the Two bors d's oeuveres I-steel at end；The three-way jack includes two Z axis tops, one
A X-axis top, a Y-axis top；The three-way jack is adjusted using numerical control, and each axis top of the three-way jack at track girder both ends can
Synchronizing moving, to realize track girder any direction, angular adjustment；
In the lifting step, lifting wirerope and the lifting hoop at track girder both ends are connected and fixed by suspension centre, track
Beam is docked using the iron plate of stable ferrule bottom welding with two Z axis tops of three-way jack firm after being lifted；
In the installation temporary fastening device step, in installing lateral jack on the Two bors d's oeuveres I-steel of track girder two sides,
Channel steel support frame, the temporary fastening device as track girder are installed between lateral jack and stable ferrule；
2) track girder is installed: the adjustment of track girder line style → after pour the welding of section steel plate → then pour section construct → pour left and right line rail
Fulcrum crossbeam → construction span centre straining beam → dismounting temporary fastening device, temporary support, bracket between road beam；
In the track girder line style set-up procedure, machinery is locked after carrying out Serial regulation by three-way jack, it is ensured that
Line style is adjusted in place；
It pours after described in section construction procedure, using the sequence of construction of big mileage, elder generation Bian Houzhong after first small mileage, successively installs
After pour pour a section template after a section reinforcing bar, installation, pour after pour a section concrete.
As optimal technical scheme, in the bearing platform construction step, cushion cap periphery is mixed using C15 concrete backfill and C30
Solidifying soil hardening.
As optimal technical scheme, the bracket is set up in step, and 8 steel pipes, installation twice Two bors d's oeuveres are arranged in each pier stud
I-steel is bolted reinforcing by channel steel reinforcing rib between twice Two bors d's oeuveres I-steel.
As optimal technical scheme, the steel pipe in the steel pipe post support includes standard knot and adjustment section, the adjustment
Section is installed with standard knot by flanged joint, can adjust the height of bracket entirety according to pier stud height.
As optimal technical scheme, steel pipe model DN 450 in steel pipe post support, bridging is model 14a
Channel steel, the I-steel model 63a in Two bors d's oeuveres I-steel.
As optimal technical scheme, in the lifting step, the track girder lifting in section is carried out using rubber tyred gantry crane
The track girder of lifting, platform is lifted using truck crane.
As optimal technical scheme, in the lifting step, the track girder of side formula station platform carries out side using truck crane
The track girder of lifting, island station platform carries out two sides lifting using truck crane.
As optimal technical scheme, in the three-way jack, the stroke on Z axis top is 10cm, the stroke on X-axis top be 6cm,
The stroke on Y-axis top is 6cm.
Beneficial effects of the present invention:
1) present invention is set up in the case where straddle type monorail rail tracks can not utilize bridge pier cap beam as temporary support point
Bracket is as track girder temporary support, mainly using cushion cap as bracket supporting point, can reduce basement process, saving engineering at
This.
2) construction method of the present invention directly sets temporary support (three-way jack) on strutting system, and temporary support takes into account line
Type regulatory function can adjust at any time during the installation process, convenient to assemble and disassemble, can reach the linear high-precision requirement of track girder.
3) operation is simple and feasible, stress transmits clearly bracket, temporary support and temporarily consolidates for construction method use of the present invention
Determine system, solve the installation problem of track girder, and saves interim measure expense to greatest extent；Wherein in straddle-type monorail track
It is used in beam engineering and sets up bracket as temporary support category domestic initiation.
4) construction method of the present invention using rubber tyred gantry crane carry out the lifting of interval orbit beam, it is safer compared to crane,
Economy, and minimum is influenced caused by surrounding enviroment.
Detailed description of the invention
Fig. 1 be straddle type monorail rail tracks of the present invention after pour section construct after integrally-built main view；
Fig. 2 be straddle type monorail rail tracks of the present invention after pour section construct after integrally-built right view；
Fig. 3 is the structural schematic diagram of twice Two bors d's oeuveres I-steel when bracket of the present invention is set up；
Fig. 4 is the structural schematic diagram of stable ferrule in construction procedure of the present invention；
The meaning respectively marked in above-mentioned figure are as follows:
1- cushion cap, 101-C15 concrete, 102-C30 concrete；
2- pier stud；
3- cap beam；
4- bracket, 41- steel pipe, 411- standard knot, 412- adjustment section, 413- flange, 42- bracket iron plate, 43- bridging,
44- steel plate, 45- Two bors d's oeuveres I-steel, 46- channel steel reinforcing rib；
5- track girder；
Section is poured after 6-；
7- lifting hoop；
8- stable ferrule, 81- iron plate；
9- three-way jack, 91-Z axis top, 92-X axis top, 93-Y axis top；
10- transverse direction jack；
11- channel steel support frame；
The permanent support of 12-.
Specific embodiment
The present invention is described further With reference to embodiment, it is pointed out that following implementation is only
It is the indicative explaination that the form to enumerate is the present invention, but protection scope of the present invention is not limited to that, Suo Youben
The technical staff in field each falls within protection scope of the present invention with the equivalent replacement that spirit of the invention is the present invention.
Embodiment
The construction method of straddle type monorail rail tracks installation, please refers to Fig. 1, Fig. 2, Fig. 3, Fig. 4, includes the following steps:
1) track girder lifts: and bearing platform construction → pier stud construction → cap beam construction → bracket sets up → and track girder transport is in place →
Stable ferrule, lifting hoop → installation temporary support and permanent support → lifting → installation temporary fastening device → release lifting rope are installed；
In bearing platform construction step, 1 periphery of cushion cap is hardened using the backfill of C15 concrete 101 and C30 concrete 102, and cushion cap
1 and the top embedded bracket iron plate 42 of the periphery of cushion cap 1 be used as bracket basis；
Bracket is set up in step, is supported using steel pipe post, and first 41 bottom end of steel pipe is welded on embedded bracket iron plate 42,
Then bridging 43 is installed to be reinforced between steel pipe 41, and is used to support rail in 41 top of steel pipe installation Two bors d's oeuveres I-steel 45
Road beam, top, the bottom of Two bors d's oeuveres I-steel 45 are welded with steel plate 44；Wherein, in practice of construction, 8 steel pipes are arranged in each pier stud 2
(the every side in pier stud two sides 4) installs twice Two bors d's oeuveres I-steel 45, passes through 46 spiral shell of channel steel reinforcing rib between twice Two bors d's oeuveres I-steel 45
Bolt reinforcement by connection；In addition, steel pipe post support in steel pipe 41 also set up standard knot 411 and adjustment section 412, adjustment section 412 with
Standard knot 411 passes through the connection installation of flange 413；In practice of construction, steel pipe post support in 41 model DN450 of steel pipe, cut
Knife support 43 is model 14a channel steel, the I-steel model 63a in Two bors d's oeuveres I-steel 45；
Stable ferrule is installed, is lifted in hoop step, stable ferrule 8 is installed at the beam-ends of track girder 5, lifts hoop 7, stable ferrule 8,
Rubber cushion blocks are pressed from both sides between lifting hoop 7 and the beam face of track girder 5；Stable ferrule 8, lifting hoop 7 are to be bolted dismountable channel steel
The bottom welding iron plate 81 of hoop, stable ferrule 8 is used as supporting point, and suspension centre is arranged in the top of lifting hoop 7；
It installs in temporary support and permanent support step, Two bors d's oeuveres I-steel is welded on by steel plate using three-way jack 9
As the temporary support for supporting and fixing track girder 5 on 45；Three-way jack 9 includes two 91, one, Z axis tops X-axis top 92, one
A Y-axis top 93；In three-way jack 9, the stroke on Z axis top 91 is 10cm, and the stroke on X-axis top 92 is the stroke of 6cm, Y-axis top 93
For 6cm；Wherein, three-way jack 9 is adjusted using numerical control, synchronous to control each axis top of three-way jack 9 at track girder both ends
It is mobile, realize track girder any direction, angular adjustment；
It lifts in step, wirerope will be lifted and the lifting hoop 7 at track girder both ends is connected and fixed by suspension centre 71, track girder
5 be lifted after using 8 bottom of stable ferrule welding iron plate 81 docked with two Z axis tops 91 of three-way jack 9 consolidate；Section
Track girder lifting is lifted using rubber tyred gantry crane, the customizable production of gantry crane, and sets transfer, adapt to the gradient≤
2% horizontal slope；It when the gradient > 2%, is adjusted using bottom jack, so that gantry crane is in level, to meet construction requirement；It hangs
During dress, two gantry cranes are used cooperatively, and after reaching designated position, lift by crane track girder；The track girder of platform uses truck crane
It is lifted；Wherein, the track girder of side formula station platform carries out side lifting using truck crane, and the track girder of island station platform uses
Truck crane carries out two sides lifting；Different weight track girder is lifted using the truck crane of different model；
It installs in temporary fastening device, referring to Fig. 2, in installing lateral thousand on the Two bors d's oeuveres I-steel 45 of 5 two sides of track girder
Jin top 10, installs channel steel support frame 11, the temporary fastening device as track girder between lateral jack 10 and stable ferrule 8；
2) track girder is installed: the adjustment of track girder line style → after pour the welding of section steel plate → then pour section construct → pour left and right line rail
Fulcrum crossbeam → construction span centre straining beam → dismounting temporary fastening device, temporary support, bracket between road beam；
In track girder line style set-up procedure, machinery is locked after carrying out Serial regulation by three-way jack 9, it is ensured that line style
It is adjusted in place；When carrying out Serial regulation by three-way jack 9, synchronization of jacking up is answered on two Z axis tops 91, when necessary, can do level
Face fine tuning, it is ensured that line style is adjusted in place；
After pour in section construction procedure, using the sequence of construction of big mileage, elder generation Bian Houzhong after first small mileage, successively poured after installation
Section reinforcing bar, pour a section template after installation, pour after pour a section concrete.
Claims (8)
1. the construction method of straddle type monorail rail tracks installation, it is characterised in that include the following steps:
1) track girder lifts: bearing platform construction → pier stud construction → cap beam construction → bracket is set up, and → track girder transport is in place → installs
Stable ferrule, lifting hoop → installation temporary support and permanent support → lifting → installation temporary fastening device → release lifting rope；
In the bearing platform construction step, cushion cap (1) periphery uses concrete backfill and concrete hardening, and cushion cap (1) and cushion cap
(1) peripheral top embedded bracket iron plate (42) is used as bracket basis；
The bracket is set up in step, is supported using steel pipe post, and steel pipe (41) bottom end is first welded in the embedded bracket iron
On plate (42), then bridging (43) is installed between steel pipe (41) and is reinforced, and Two bors d's oeuveres work is installed in steel pipe (41) top
Word steel (45) is used to support track girder, and top, the bottom of Two bors d's oeuveres I-steel (45) are welded and fixed with steel plate (44)；
In the installation stable ferrule, lifting hoop step, stable ferrule (8), lifting hoop (7) are installed at the beam-ends of track girder (5), surely
Rubber cushion blocks are pressed from both sides between fixed hoop (8), lifting hoop (7) and the beam face of track girder；The stable ferrule (8), lifting hoop (7) are bolt
Dismountable channel steel hoop is connected, bottom welding iron plate (81) of the stable ferrule (8) is used as supporting point, and (7) are bound round in the lifting
Top be arranged suspension centre；
In the installation temporary support and permanent support step, Two bors d's oeuveres I-shaped is welded on by steel plate using three-way jack (9)
As the temporary support for supporting and fixing track girder (5) on steel (45)；The three-way jack (9) include two Z axis tops (91),
One X-axis top (92), a Y-axis top (93)；
In the lifting step, lifting wirerope and the lifting hoop (7) at track girder both ends are connected and fixed by suspension centre, track girder
(5) it is docked using the iron plate (81) of stable ferrule (8) bottom welding with two Z axis tops (91) of three-way jack (9) after being lifted
It is firm；The three-way jack (9) is adjusted using numerical control, and each axis top of the three-way jack (9) at track girder both ends can synchronize
It is mobile；
It is laterally very heavy in being installed on the Two bors d's oeuveres I-steel (45) of track girder (5) two sides in the installation temporary fastening device step
It pushes up (10), channel steel support frame (11) is installed between lateral jack (10) and stable ferrule (8), as being fixed temporarily for track girder
Device；
2) track girder is installed: the adjustment of track girder line style → after pour the welding of section steel plate → then pour section construct → pour left and right trajectory beam
Between fulcrum crossbeam → construction span centre straining beam → dismounting temporary fastening device, temporary support, bracket；
In the track girder line style set-up procedure, machinery is locked after carrying out Serial regulation by three-way jack (9), it is ensured that line
Type is adjusted in place；
It pours after described in section construction procedure, using the sequence of construction of big mileage, elder generation Bian Houzhong after first small mileage, is poured after successively installing
Section reinforcing bar, pour a section template after installation, pour after pour a section concrete.
2. the construction method of straddle type monorail rail tracks installation as described in claim 1, it is characterised in that the bearing platform construction
In step, cushion cap (1) periphery is using C15 concrete (101) backfill and C30 concrete (102) hardening.
3. the construction method of straddle type monorail rail tracks installation as described in claim 1, it is characterised in that the bracket is set up
In step, each pier stud (2) is arranged 8 steel pipes (41), installation twice Two bors d's oeuveres I-steel (45), twice Two bors d's oeuveres I-steel (45) it
Between be bolted reinforcing by channel steel reinforcing rib (46).
4. the construction method of straddle type monorail rail tracks installation as claimed in claim 1 or 3, it is characterised in that the steel pipe is vertical
Steel pipe (41) in column support includes standard knot (411) and adjustment section (412), and the adjustment section (412) and standard knot (411) is logical
Cross flange (413) connection installation.
5. the construction method of straddle type monorail rail tracks installation as claimed in claim 1 or 3, it is characterised in that the steel pipe is vertical
Steel pipe (41) model DN 450 in column support, bridging (43) are model 14a channel steel, the I-shaped in Two bors d's oeuveres I-steel (45)
Steel pattern number is 63a.
6. the construction method of straddle type monorail rail tracks installation as described in claim 1, it is characterised in that the lifting step
In, the track girder lifting in section is lifted using rubber tyred gantry crane, and the track girder of platform is lifted using truck crane.
7. the construction method of straddle type monorail rail tracks installation as claimed in claim 6, it is characterised in that the lifting step
In, the track girder of side formula station platform carries out side lifting using truck crane, and the track girder of island station platform is carried out using truck crane
Two sides lifting.
8. the construction method of straddle type monorail rail tracks installation as described in claim 1, it is characterised in that the three-dimensional is very heavy
It pushes up in (9), the stroke of Z axis top (91) is 10cm, and the stroke of X-axis top (92) is 6cm, the stroke of Y-axis top (93) is 6cm.
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| CN108374296A (en) | 2018-08-07 |
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