CN108824196A - Main couple curved surface construction method of installation - Google Patents
Main couple curved surface construction method of installation Download PDFInfo
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- CN108824196A CN108824196A CN201810619703.0A CN201810619703A CN108824196A CN 108824196 A CN108824196 A CN 108824196A CN 201810619703 A CN201810619703 A CN 201810619703A CN 108824196 A CN108824196 A CN 108824196A
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- 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
Abstract
The present invention provides main couple curved surface construction methods of installation, belong to field of bridge construction, include the following steps, when previous section of constructing has poured the reinforcing bar of case arch segment, the pre-buried structure setting of completion of processing has been poured on case arch segment end point reinforcing bar in previous section；Case arch concrete, and reserved anchoring screw hole are poured, screw rod will be anchored and be inserted in the hole of reserved anchoring screw rod；Main beam is lifted and has poured case arch segment bottom to previous section and is fixed temporarily, one end of two of two outboard end of segment front-seat suspender belts is fixed on previous section and has been poured on the pre-buried structure on case arch segment both sides, the other end is sling two stringers in outside and installed and fixed；It is fixed on the other end of two stringers in outside in advance using a cross bar, is successively symmetrically installed intermediate stringer；By secondary crossbeam across being mounted on stringer；Heel row suspender belt is installed, it is linear that end template is placed formation main arch ring on time crossbeam.It provides a kind of low with difficulty of construction coefficient；It uses in such a way that bent generation is bent, reduces the main couple curved surface construction method of installation of the linear error of arch ring arc.
Description
Technical field
The present invention relates to field of bridge construction, particularly, are related to main couple curved surface construction method of installation.
Background technique
Hanging Basket is played and is held in arch ring concreting process as an important equipment in cantilever pouring construction method
The effects of carrying on a shoulder pole segment weight in wet base and job platform be provided.Since Hanging Basket is mounted on curvilinear arch ring, constructs and connect
The Hanging Basket used in continuous beam bridge, continuous rigid frame bridge and cable-stayed bridge is configured with larger difference.Whether the design of Hanging Basket rationally will be straight
Connect the complexity for being related to construction, the quality of bridge construction and the progress of construction.For being set by water level or face under the influence of precipice
The case where formula cradle assembly, is bound to unworkable using existing Hanging Basket, therefore, is designed a kind of not only slim and graceful but also be can ensure that the ultralight of deformation
Type Hanging Basket is significantly.
And arch bridge cantilever pouring Hanging Basket and the Hanging Basket in other bridges are different, are mainly manifested in：1. arch ring structure
Nonlinearity, cause it is each construction segment Hanging Basket inclination angle be all different；Curved path walking is done along arch ring when 2. Hanging Basket is walked, by
In the presence of arch ring top surface knotted rope, lead to Hanging Basket difficulty in walking；3. Hanging Basket running gear is different with other bridge types, mainly by sliding
Slot, jack, counter-force seat and reaction wheel composition, walk also more complicated than other bridge types；4. support reaction system is inclined since Hanging Basket exists
Angle, support reaction system is mainly by the adjustable support pads on hook free bearing, track shear connector and sliding ship limit steel pin, rear cross beam
Block, retaining steel pin etc. are constituted.In conclusion the design difficulty of microlight-type Hanging Basket further increases.
End movement is bigger than normal before existing Hanging Basket, increases cantilever casting construction and controls difficulty；Existing Hanging Basket center of gravity is higher, and there are Hanging Baskets to walk
Capable and job stability poor；The rear anchor section of Hanging Basket needs corresponding mechanism to guarantee the reliable of anchoring currently on the market
Property, structure is more complex and security risk is larger；Existing hanging basket main truss bigger than normal, the generally more than 3m of height, but under bridge by water level or
Ground elevation influences, and leaves the height of underneath type hanging basket main truss for less than 1m, or even only tens centimeters are not desired to increase additionally again
When project amount, existing Hanging Basket just seems helpless.Therefore need to design a kind of better main couple of effect, while needs pair
The main couple designs easy curved surface construction method.
Summary of the invention
Set forth above to solve the problems, such as, it is an object of that present invention to provide one kind to have difficulty of construction coefficient low；Using one
Secondary property cambered design, in such a way that in bent generation, is bent, reduce the linear error of arch ring arc, cantilever process is not necessarily to bed die camber line again
It adjusts, simplify working procedure, and the main couple curved surface construction method of installation of good appearance.
To achieve the above object, the present invention provides main couple curved surface construction method of installation, the main couple include main beam,
Secondary crossbeam, stringer, steel harness system, pre-buried structure and anchoring screw rod, pre-buried structure are embedded in previous section and have poured case arch segment
Interior, anchoring screw rod, which is disposed through, have been poured in case arch segment, and is set to pre-buried structure front end, and main beam setting is in anchoring silk
Bar bottom end, stringer one end are arranged on main beam, and with the not parallel setting of main beam, secondary crossbeam is across on stringer, steel suspender belt
System one end is connect with stringer, and the other end is connect with pre-buried structure, and steel harness system includes front-seat suspender belt and heel row suspender belt；Installation
Construction method includes the following steps：
Step 1：When previous section of constructing has poured the reinforcing bar of case arch segment, the pre-buried structure of completion of processing is arranged preceding
One section has poured on case arch segment end point reinforcing bar；
Step 2：Casting concrete, and reserved anchoring screw hole will anchor screw rod and be inserted in the hole of reserved anchoring screw rod, anchor
Gu screw rod bottom is pierced by the bottom that previous section has poured case arch segment；
Step 3：Main beam is lifted to previous section and has poured case arch segment bottom, by anchoring the bottom of screw rod and interim
Bracket Primary Location；
Step 4：One end of two front-seat suspender belts is fixed on previous section to have poured on the pre-buried structure on case arch segment both sides,
Two stringers in outside are sling, by the top setting of one end insertion main beam on both sides, is positioned and is fixed by main beam, by this two
The other end of front-seat suspender belt is separately fixed on two stringers in outside；
Step 5：It is fixed on the other end of two stringers in outside in advance using a cross bar, two side positionings, measurement, which meet, to be set
After meter requires, it is successively symmetrically installed intermediate stringer；
Step 6：By secondary crossbeam across being mounted on stringer；
Step 7：Heel row suspender belt is installed, it is linear by main arch ring is formed on end template placement time crossbeam, complete installation.
The pre-buried structure of completion of processing includes transverse channel steels, vertical channel steel, lateral short channel-section steel, strut, steel in the step 1
Plate, vertical short channel-section steel；The transverse channel steels and vertical channel steel are arranged in a crossed manner vertically, and vertical channel steel top is arranged in the steel plate
The other side on vertical channel steel top is arranged in side, one end of the strut, and the other end of strut is arranged in transverse channel steels；Institute
The bottom that transverse channel steels are arranged in lateral short channel-section steel is stated, vertical short channel-section steel is arranged at two coxostermums at vertical channel steel both ends；It is horizontal
The coagulation that previous section has poured case arch segment is embedded in the bottom end of channel steel, lateral short channel-section steel, vertical short channel-section steel and vertical channel steel
In soil, the top of strut, steel plate and vertical channel steel exposes setting and has poured case arch segment top, the bottom of vertical channel steel in previous section
End is provided with heel row suspender belt soldering opening.
Main beam is lifted to previous section at the 5cm-10cm for having poured case arch segment bottom in the step 3.
Pad is equipped with the pading plate of different-thickness between every crossbeam and stringer in the step 6, it is ensured that end template is placed
It is linear for main arch ring when thereon.
In the step 4, middle stringer is welded by two I-beams by several connecting plates, connecting plate be respectively welded in
On I-steel on the face of lower flange, several reinforced steel bars are set with the connecting portion of front-seat suspender belt and heel row suspender belt, are respectively welded
On web on the outside of two I-beams, shearing resistance arm is arranged in the tail portion of every stringer, and shearing resistance arm is welded in opposite directions by the double flute steel edge of a wing,
And shearing resistance arm is welded in the tail portion of stringer on lower side, it is being provided with bridle iron on the inside of shearing resistance arm, for by very heavy
Top adjustment cantilever segment absolute altitude, is formed by solder design between bridle iron and stringer.
The quantity of the main beam is one, and the quantity of secondary crossbeam is eight, and is set in qually spaced on stringer, stringer
Quantity is eight, and unequal spacing is arranged, and stringer setting spacing is followed successively by 600,900,1500,1500,500 units.Laterally
The front end of vertical channel steel is arranged in the quantity of short channel-section steel four, a lateral short channel-section steel, and the other three is set in qually spaced in vertically
The rear end of channel steel, the quantity of vertical short channel-section steel are two, are set in qually spaced in transverse channel steels bottom end.
The invention has the advantages that：
For the present invention by being provided with easy main couple installation method, difficulty of construction coefficient is low；It is set using disposable arc
Meter, in such a way that in bent generation, is bent, reduce the linear error of arch ring arc, cantilever process without adjusting again to bed die camber line, letter
Working procedure is changed；The Diamond-Shape Form Traveler of setting simultaneously, and by its side, the preceding end movement of rear-support hanging basket had both been effectively reduced,
Very good solution side form pacifies, tears problem open again；Main truss cradle is underlying, keep Hanging Basket center of gravity minimum, is ensured away with least way
Capable and cantilever state stabilization, while to provide maximum working space to cantilever segment；Using screw rod by underneath type Hanging Basket master
Purlin, which is anchored in, have been poured on segment, ensure that the self-balancing of cantilever state Hanging Basket；By being set in Diamond-Shape Form Traveler vertical bar upper end
Set hook, hook is walked on hogback track when traveling, balance of the tail end by reaction wheel maintenance Hanging Basket front end, creative solution
The stability determined under Hanging Basket cantilever and walking two states；By setting screw rod and hook, accomplish to pour state and walking shape
The separation of state further reduced Hanging Basket service factor；Pin joint is used between main truss, better meets Hanging Basket along arch ring curvilinear rows
Walk the disassembled for transport with Hanging Basket；End template and truss principal are shared, at the same arch ring end template use disposable cambered design, with
The mode of bent generation song, arch ring arc Linear Error is near minimum, and cantilever process is without adjusting again to bed die camber line, simplifying
Working procedure, and good appearance.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the main couple structural schematic diagram of the preferred embodiment of the present invention.
Fig. 2 is the longitudinal beam structure schematic diagram of the preferred embodiment of the present invention.
Fig. 3 is the main beam structural schematic diagram of the preferred embodiment of the present invention.
Fig. 4 is the secondary beam structure schematic diagram of the preferred embodiment of the present invention.
Fig. 5 is the steel harness system structural schematic diagram of the preferred embodiment of the present invention.
Fig. 6 is the structural schematic diagram of the anchoring screw rod and pre-buried structure of the preferred embodiment of the present invention.
Figure label：1 main beam, 1.1 main beam steel plates, 2 crossbeams, 3 stringers, 3.1 connecting plates, 3.2 reinforced steel bars,
3.3 bridle irons, 3.4 shearing resistance arms, 4 front-seat suspender belts, 5 heel row suspender belts, 6 pre-buried structures, 6.1 transverse channel steels, 6.2 vertical channel steels, 6.3
Lateral short channel-section steel, 6.4 struts, 6.5 steel plates, 6.6 vertical short channel-section steels, 7 anchoring screw rods, 8 otic placodes, 9 pin shafts.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Main couple curved surface construction method of installation, as shown in figures 1 to 6, the main couple include main beam 1, secondary crossbeam 2, stringer 3,
Steel harness system, pre-buried structure 6 and anchoring screw rod 7.The quantity of main beam 1 is one, and the quantity of secondary crossbeam 2 is eight, and is waited
Spacing is arranged on stringer 3, and the quantity of stringer 3 is eight, and spaced set.The present invention has end movement before rear-support hanging basket
It is small, reduce cantilever casting construction control difficulty；Main truss cradle is underlying.Hanging Basket center of gravity is low, and traveling and job stability are high；It is creative
Ground using being balanced from the form of anchor, i.e., traveling when by reaction wheel maintain Hanging Basket front end balance；Inch is poured by adjustable
High counter-force buttress realizes the balance of Hanging Basket front end；Pin joint is used between main truss, is well positioned to meet Hanging Basket along arch ring curved path walking；
Diamond-Shape Form Traveler is set in arch ring side, had not only effectively reduced the preceding end movement of rear-support hanging basket, but also very good solution side form is pacified, torn open
Problem；Accomplish, support system is kept completely separate, that is, pour the separation of state and walking states, Hanging Basket service factor is low；Arch ring bottom
Template uses disposable cambered design, in such a way that bent generation is bent, reduces the linear error of arch ring arc, cantilever process without pair
Bed die camber line adjusts again, simplifies working procedure, and good appearance.
Construction method of installation includes the following steps：
Step 1：When previous section of constructing has poured the reinforcing bar of case arch segment, the setting of pre-buried structure 6 of completion of processing is existed
Previous section has poured on case arch segment end point reinforcing bar.Pre-buried structure 6 is embedded in previous section and has poured in case arch segment.Pre-buried knot
Structure 6 includes transverse channel steels 6.1, vertical channel steel 6.2, lateral short channel-section steel 6.3, strut 6.4, steel plate 6.5, vertical short channel-section steel 6.6.It is horizontal
Vertical arranged in a crossed manner to channel steel 6.1 and vertical channel steel 6.2, the side on vertical 6.2 top of channel steel is arranged in steel plate 6.5.Strut 6.4
One end the other side on vertical 6.2 top of channel steel is set, the other end of strut 6.4 is arranged in transverse channel steels 6.1.It is laterally short
The bottom of transverse channel steels 6.1 is arranged in channel steel 6.3, and two coxostermums at vertical 6.2 both ends of channel steel are arranged in vertical short channel-section steel 6.6
Place.The otic placode 8 of front-seat suspender belt 4 and heel row suspender belt 5 is welded on vertical channel steel 6.2, transverse channel steels 6.1, lateral short channel-section steel
6.3, the bottom end of vertical short channel-section steel 6.6 and vertical channel steel 6.2 is embedded in previous section and has poured in the concrete of case arch segment, strut
6.4, the top of steel plate 6.5 and vertical channel steel 6.2, which exposes to be arranged, has poured case arch segment top, vertical channel steel 6.2 in previous section
Bottom end be provided with 5 soldering opening of heel row suspender belt.The quantity of lateral short channel-section steel 6.3 four, a lateral setting of short channel-section steel 6.3 is perpendicular
To the front end of channel steel 6.2, the other three is set in qually spaced in the rear end of vertical channel steel 6.2, and the quantity of vertical short channel-section steel 6.6 is two
Root is set in qually spaced in 6.1 bottom end of transverse channel steels.To ensure this part-structure stability and concrete pouring quality, in transverse direction
Level is welded with several short channel-section steels at double flute steel bottom and vertical two coxostermum of double flute steel.
Step 2：Case is poured for concrete, and reserved anchoring 7 hole of screw rod, screw rod 7 will be anchored and be inserted in reserved anchoring screw rod 7
In hole, anchoring 7 bottom of screw rod is pierced by the bottom that previous section has poured case arch segment.Anchoring screw rod 7, which is disposed through, has poured case
Encircle in segment, and is set to 6 front end of pre-buried structure.Anchoring screw rod 7, which is set to, have been poured at the top of case arch segment, and case arch is being poured
Screw hole is reserved in segment, and bottom end is connected directly through stringer by double nut；Top is anchored in having poured for built-in fitting front end
On hogback, by adding backing plate, carry out tightening anchoring using nut.The quantity for anchoring screw rod 7 is eight, is arranged in parallel, anchors
Screw rod 7 is reinforcing bar or steel plate.
Step 3：The lifting of main beam 1 to previous section case arch segment bottom is poured into, by anchoring the bottom of screw rod 7 and facing
When bracket Primary Location.The setting of main beam 1 is in anchoring 7 bottom end of screw rod.Main beam 1 is used to anchor the anchoring lower ends of screw rod 7, places
In the lower end of stringer 3, and close to tail position, it is welded by double I-steel by several steel plates.Main beam 1 is lifted to previous
Section has poured at the 5cm-10cm of case arch segment bottom, so that having enough space installation stringers 3, while again can be to main cross
Beam 1 has carried out stationary positioned, while having carried out position measurement, so that progress is faster.
Step 4：One end of two front-seat suspender belts 4 is fixed on the pre-buried structure 6 that previous section has poured case arch segment both sides
On, two stringers 3 in outside are sling, by the top setting of one end insertion main beam 1 on both sides, is positioned and is fixed by main beam 1, it will
The other end of this two front-seat suspender belts 4 is separately fixed on two stringers 3 in outside.3 one end of stringer is arranged on main beam 1, and
With the not parallel setting of main beam 1.Stringer 3 is welded by two I-beams by several connecting plates 3.1, and connecting plate 3.1 is distinguished
It is welded on I-steel on the face of lower flange, several reinforced steel bars is set with the connecting portion of front-seat suspender belt 4 and heel row suspender belt 5
3.2, it is respectively welded on the web on the outside of two I-beams.Shearing resistance arm 3.4 is arranged in the tail portion of every stringer 3, and shearing resistance arm 3.4 is by double flute
The steel edge of a wing is welded in opposite directions, and shearing resistance arm is welded in the tail portion of stringer 3 on lower side, sets in the inside close to shearing resistance arm 3.4
It is equipped with bridle iron 3.3, for adjusting cantilever segment absolute altitude by jack, is connected by weld seam between bridle iron 3.3 and stringer 3
It connects.
Step 5：It is fixed on the other end of two stringers 3 in outside in advance using a cross bar, two side positionings, measurement, which meet, to be set
After meter requires, it is successively symmetrically installed intermediate stringer 3.It can dismantle or not dismantle installing rear transverse rod.Pass through measurement
It can accurately fix with positioning as Rhombic Truss, rock-steady structure.
Step 6：By secondary crossbeam 2 across being mounted on stringer 3.Secondary crossbeam 2 is welded by the double flute steel edge of a wing is opposite, along extension
Basket is longitudinally disposed, the cushion block steel plate of different-thickness is lined under every crossbeam 2, it is ensured that external end template is placed on time crossbeam 2
When it is linear for main arch ring, cushion block steel plate is welded in 3 upper end of stringer, by solder design between secondary crossbeam 2 and cushion block steel plate, is formed
It is whole.
Step 7：Heel row suspender belt 5 is installed, it is linear by main arch ring is formed on end template placement time crossbeam 2, complete installation.It is front-seat
One end of suspender belt 4 and heel row suspender belt 5 is connect with stringer 3, and the other end is connect with pre-buried structure 6.It is provided on a piece stringer 3
A piece front-seat suspender belt 4 and a heel row suspender belt 5.The both ends of front-seat suspender belt 4 and heel row suspender belt 5 are provided with otic placode 8, and otic placode 8 is logical
Pin shaft 9 is crossed to connect with front-seat suspender belt 4 and heel row suspender belt 5.The otic placode 8 of 5 one end of front-seat suspender belt 4 and heel row suspender belt is welded in stringer 3
The otic placode 8 of bottom, the other end is welded on pre-buried structure 6.The steel plate of different-thickness is lined under every crossbeam, it is ensured that end template is put
It is linear for main arch ring when setting thereon, it is truly realized with bent generation song.
By the way that Diamond-Shape Form Traveler is arranged, and by its side, the preceding end movement of rear-support hanging basket was not only effectively reduced, but also well
It solves the problems, such as side form peace, tear open.Main truss cradle is underlying, keep Hanging Basket center of gravity minimum, traveling and cantilever are ensured with least way
The stabilization of state, while to provide maximum working space to cantilever segment.Underneath type main truss cradle is anchored in using screw rod
It has poured on segment, ensure that the self-balancing of cantilever state Hanging Basket；It is linked up with, is walked by being arranged in Diamond-Shape Form Traveler vertical bar upper end
Hook is walked on hogback track when row, and tail end maintains the balance of Hanging Basket front end by reaction wheel, and creative solves Hanging Basket
Stability under cantilever and walking two states.By setting screw rod and hook, accomplish the separation for pouring state and walking states,
It further reduced Hanging Basket service factor.Pin joint is used between main truss, better meets Hanging Basket along arch ring curved path walking and Hanging Basket
Disassembled for transport.End template and truss principal are shared, while arch ring end template uses disposable cambered design, with bent generation song
Mode, arch ring arc Linear Error is near minimum, and cantilever process is without adjusting again to bed die camber line, simplifying construction work
Sequence, and good appearance.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. main couple curved surface construction method of installation, which is characterized in that the main couple includes main beam (1), secondary crossbeam (2), stringer
(3), steel harness system, pre-buried structure (6) and anchoring screw rod (7), pre-buried structure (6) are embedded in previous section and have poured case arch segment
Interior, anchoring screw rod (7), which is disposed through, have been poured in case arch segment, and is set to pre-buried structure (6) front end, and main beam (1) is set
Set anchoring screw rod (7) bottom end, stringer (3) one end be arranged on main beam (1), and with main beam (1) not parallel setting, secondary cross
Beam (2) is across on stringer (3), and steel harness system one end is connect with stringer (3), and the other end is connect with pre-buried structure (6), and steel is hung
Band system includes front-seat suspender belt (4) and heel row suspender belt (5)；Construction method of installation includes the following steps：
Step 1：When previous section of constructing has poured the reinforcing bar of case arch segment, the pre-buried structure (6) of completion of processing is arranged preceding
One section has poured on case arch segment end point reinforcing bar；
Step 2：Case is poured for concrete, and reserved anchoring screw rod (7) hole, reserved anchoring screw rod (7) is inserted in anchoring screw rod (7)
Hole in, anchoring screw rod (7) bottom be pierced by previous section poured case arch segment bottom；
Step 3：Main beam (1) lifting to previous section case arch segment bottom is poured into, by anchoring the bottom of screw rod (7) and facing
When bracket Primary Location；
Step 4：One end of two front-seat suspender belts (4) is fixed on the pre-buried structure (6) that previous section has poured case arch segment both sides
On, two stringers (3) in outside are sling, by the top setting of one end insertion main beam (1) on both sides, are positioned by main beam (1)
It is fixed, the other end of this two front-seat suspender belts (4) is separately fixed on two stringers (3) in outside；
Step 5：It is fixed on the other end of two stringers (3) in outside in advance using a cross bar, two side positionings, measurement meet design
After it is required that, it is successively symmetrically installed intermediate stringer (3)；
Step 6：By secondary crossbeam (2) across being mounted on stringer (3)；
Step 7：It installs heel row suspender belt (5), it is linear by main arch ring is formed on end template placement time crossbeam (2), complete installation.
2. main couple curved surface construction method of installation according to claim 1, which is characterized in that processed in the step 1
Complete pre-buried structure (6) includes transverse channel steels (6.1), vertical channel steel (6.2), lateral short channel-section steel (6.3), strut (6.4), steel plate
(6.5), vertical short channel-section steel (6.6)；The transverse channel steels (6.1) and vertical arranged in a crossed manner, the steel plate of vertical channel steel (6.2)
(6.5) setting is arranged in the side on vertical channel steel (6.2) top, one end of the strut (6.4) on vertical channel steel (6.2) top
The other side, the other end of strut (6.4) is arranged on transverse channel steels (6.1)；The transverse direction short channel-section steel (6.3) is arranged in transverse direction
The bottom of channel steel (6.1), vertical short channel-section steel (6.6) are arranged at two coxostermums at vertical channel steel (6.2) both ends；Transverse channel steels
(6.1), the bottom end of lateral short channel-section steel (6.3), vertical short channel-section steel (6.6) and vertical channel steel (6.2) is embedded in previous section and has poured
Case encircles in the concrete of segment, the top of strut (6.4), steel plate (6.5) and vertical channel steel (6.2) expose be arranged previous section
Case arch segment top is poured, the bottom end of vertical channel steel (6.2) is provided with heel row suspender belt (5) soldering opening.
3. main couple curved surface construction method of installation according to claim 1, which is characterized in that main beam in the step 3
(1) it lifts to previous section at the 5cm-10cm for having poured case arch segment bottom.
4. main couple curved surface construction method of installation according to claim 1, which is characterized in that every time in the step 6
Pad is equipped with the pading plate of different-thickness between crossbeam (2) and stringer (3), it is ensured that linear for main arch ring when end template is placed on it.
5. main couple curved surface construction method of installation according to claim 1, which is characterized in that in the step 4, middle stringer
(3) it is welded by two I-beams by several connecting plates (3.1), connecting plate (3.1) is respectively welded in bottom wing on I-steel
On edge face, several reinforced steel bars (3.2) are set with the connecting portion of front-seat suspender belt (4) and heel row suspender belt (5), are respectively welded two
On web on the outside of I-beam, shearing resistance arm (3.4) are arranged in the tail portion of every stringer (3), and shearing resistance arm (3.4) is by double flute steel edge of a wing phase
To being welded, and shearing resistance arm is welded in the tail portion of stringer (3) on lower side, is provided on the inside of shearing resistance arm (3.4)
Bridle iron (3.3) passes through weld seam between bridle iron (3.3) and stringer (3) for adjusting cantilever segment absolute altitude by jack
It is formed by connecting.
6. main couple curved surface construction method of installation according to claim 2, which is characterized in that the number of the main beam (1)
Amount is one, and the quantity of secondary crossbeam (2) is eight, and is set in qually spaced on stringer (3), and the quantity of stringer (3) is eight, and
Unequal spacing setting, quantity four of lateral short channel-section steel (6.3), a lateral short channel-section steel (6.3) is arranged in vertical channel steel (6.2)
Front end, the other three is set in qually spaced in the rear end of vertical channel steel (6.2), and the quantity of vertical short channel-section steel (6.6) is two, etc.
Spacing is arranged in transverse channel steels (6.1) bottom end.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2191073B1 (en) * | 2007-10-04 | 2011-02-09 | DOKA Industrie GmbH | Formwork configuration for the cantilever construction of bridges |
| CN104294767A (en) * | 2014-10-30 | 2015-01-21 | 中国水利水电第五工程局有限公司 | Lengthening hanging basket used for cantilever beam cast-in-place construction and construction method of lengthening hanging basket |
| CN105714691A (en) * | 2016-02-19 | 2016-06-29 | 四川公路桥梁建设集团有限公司 | Staggered arrangement and transversely-moving construction method for hanging baskets of curve extradosed cable-stayed bridge |
| CN205775848U (en) * | 2016-05-11 | 2016-12-07 | 中交第二航务工程局有限公司 | Skew web plate box beam Hanging Basket prepressing device |
| CN206635664U (en) * | 2017-03-14 | 2017-11-14 | 中铁二十四局集团有限公司 | A kind of automatic advancing device of Hanging Basket |
-
2018
- 2018-06-13 CN CN201810619703.0A patent/CN108824196B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2191073B1 (en) * | 2007-10-04 | 2011-02-09 | DOKA Industrie GmbH | Formwork configuration for the cantilever construction of bridges |
| CN104294767A (en) * | 2014-10-30 | 2015-01-21 | 中国水利水电第五工程局有限公司 | Lengthening hanging basket used for cantilever beam cast-in-place construction and construction method of lengthening hanging basket |
| CN105714691A (en) * | 2016-02-19 | 2016-06-29 | 四川公路桥梁建设集团有限公司 | Staggered arrangement and transversely-moving construction method for hanging baskets of curve extradosed cable-stayed bridge |
| CN205775848U (en) * | 2016-05-11 | 2016-12-07 | 中交第二航务工程局有限公司 | Skew web plate box beam Hanging Basket prepressing device |
| CN206635664U (en) * | 2017-03-14 | 2017-11-14 | 中铁二十四局集团有限公司 | A kind of automatic advancing device of Hanging Basket |
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| CN108824196B (en) | 2020-04-28 |
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