CN208346650U - A kind of double-deck steel trestle for the construction of water Bridge - Google Patents
A kind of double-deck steel trestle for the construction of water Bridge Download PDFInfo
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- CN208346650U CN208346650U CN201820978837.7U CN201820978837U CN208346650U CN 208346650 U CN208346650 U CN 208346650U CN 201820978837 U CN201820978837 U CN 201820978837U CN 208346650 U CN208346650 U CN 208346650U
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Abstract
The utility model discloses a kind of double-deck steel trestle for the construction of water Bridge, its steel-pipe pile is welded by lower layer's steel-pipe pile and upper layer steel-pipe pile, through-hole is offered below the end of lower layer's steel-pipe pile, lower layer's spandrel girder is arranged in direction across bridge between Liang Gen lower layer steel-pipe pile, the both ends of lower layer's spandrel girder are respectively interposed in the through-hole of two lower layer's steel-pipe piles, and lower layer's Bailey beam, lower layer's transverse distribution beam, lower layer's longitudinal direction distribution beam, lower layer's steel facing are from bottom to top successively installed on lower layer's spandrel girder；Upper layer spandrel girder is set up between the upper end of upper layer steel-pipe pile, and upper layer Bailey beam, upper layer transverse distribution beam, upper layer longitudinal direction distribution beam, upper layer steel facing are from bottom to top successively installed on the spandrel girder of upper layer.The double-deck trestle work structure of the utility model can guarantee under the high-low water level of Various Seasonal all normal constructions, and ensure construction safety.
Description
Technical field
The utility model belongs to bridge construction technical field, is related to occasional passage when a kind of construction of water Bridge,
More particularly to a kind of double-deck steel trestle constructed for water Bridge and adapt to high-low water level.
Background technique
When boat structure object is constructed, it usually needs first build steel trestle as occasional passage, for connecting both road and marine
Operating area, to facilitate Construction traffic, construction equipment and the dealing of operating personnel.Steel trestle generally uses steel-pipe pile in water
Based on, fashioned iron girder structures are welded at the top of steel-pipe pile, and singletree and hound are welded between steel-pipe pile, formed
Stable steel pipe pile group foundation structure installs the lateral ties bar between Bailey beam and Bailey beam group at the top of fashioned iron spandrel girder
Part forms and stablizes shellfish thunder group structural system, and fashioned iron distribution beam is installed at the top of Bailey beam, finally installs panel, steel trestle two
Side is installed by guardrail.Each rod piece is integral by being welded to connect when installation.
Steel trestle absolute altitude must be determined according to construction area water level by building steel trestle in usual water.However for part reservoir basin
Domain, water storage phase and dry season water level height difference are especially big, can be by steel trestle in the water storage phase if trestle is set up according to dry season water level
It floods, next dry season can only be waited to come, it can schedule delays；If set up according to water storage phase peak level, dry season steel stack
Bridge top can far be higher by the water surface, and steel trestle is big by Lateral Wind, and overall stability is poor, and construct in bridge substructure
When, steel trestle top surface is larger apart from bridge substructure construction part height difference, is not easy to construct.
Summary of the invention
The purpose of this utility model is that in view of the above-mentioned problems, providing a kind of double-deck steel trestle dress for adapting to high-low water level
Distribution structure guarantees construction speed, and does not influence construction safety.
The technical solution of the utility model is as follows:
A kind of double-deck steel trestle for the construction of water Bridge, including two alignment bridges to the steel-pipe pile of setting, direction across bridge exists
Spandrel girder is erected in two rows of steel-pipe piles between two often opposite steel-pipe piles, along bridge to installation Bailey beam, Bailey beam on spandrel girder
On set up transverse distribution beam, longitudinal distribution beam is set up on transverse distribution beam, steel facing is installed in longitudinal distribution beam, feature exists
In: the steel-pipe pile includes lower layer's steel-pipe pile and upper layer steel-pipe pile, and the lower end inserting piling of lower layer's steel-pipe pile enters in water-bed soil layer,
Upper end and the lower end of upper layer steel-pipe pile are welded, and offer through-hole below the end of lower layer's steel-pipe pile, direction across bridge is under two
Lower layer's spandrel girder is set between layer steel-pipe pile, the both ends of lower layer's spandrel girder are respectively interposed in the through-hole of two lower layer's steel-pipe piles,
Lower layer's Bailey beam is installed on lower layer's spandrel girder, from bottom to top successively set up in lower layer's Bailey beam lower layer's transverse distribution beam,
Lower layer's longitudinal direction distribution beam, lower layer's steel facing；Upper layer spandrel girder is set up between the upper end of two upper layer steel-pipe piles, is pacified on the spandrel girder of upper layer
A layer Bailey beam is loaded onto, upper layer transverse distribution beam, upper layer longitudinal direction distribution beam, upper layer steel are from bottom to top successively set up in the Bailey beam of upper layer
Panel.
This double-deck assembled steel trestle structure for being suitable for Various Seasonal high-low water level of the utility model, upper and lower level stack
Bridge upper structure type is essentially identical.When working water level goes up to lower layer trestle bottom, can shift to an earlier date according to SEA LEVEL VARIATION situation
Upper layer trestle is installed, it is ensured that construction is normally carried out when high water level.This structure type can guarantee the duration, improve construction speed, simultaneously
Operation at sea construction risk can be reduced.
Detailed description of the invention
Fig. 1 is the direction across bridge structural schematic diagram of the utility model；
Fig. 2 is the suitable bridge of the utility model to partial structural diagram；
Fig. 3 is the structural schematic diagram of lower layer's steel-pipe pile Yu upper layer steel-pipe pile junction；
Fig. 4 is the side view of detachable bracket；
Fig. 5 is the top view of detachable bracket；
Fig. 6 is the mounting structure side view on steel-pipe pile of detachable bracket；
Fig. 7 is the mounting structure top view on steel-pipe pile of detachable bracket；
Fig. 8 is the structural schematic diagram for the gate-type limiting device being stuck in Bailey beam on spandrel girder；
Fig. 9 is the structural schematic diagram for connecting the snap-gauge of Bailey beam top boom and transverse distribution beam；
Figure 10 is the direction across bridge structural schematic diagram that Bailey beam top boom is connect with transverse distribution beam by snap-gauge；
The suitable bridge that Figure 11, which is Bailey beam top boom, to be connect with transverse distribution beam by snap-gauge is to structural schematic diagram；
Figure 12 is the planar structure schematic diagram that Bailey beam top boom is connect with transverse distribution beam by snap-gauge.
Specific embodiment
The steel trestle of the utility model includes upper layer and lower layer, and including two alignment bridges to the steel-pipe pile of setting, each layer is all wrapped
It includes and is erected with spandrel girder between direction across bridge two steel-pipe piles often opposite in two rows of steel-pipe piles, along bridge to installation shellfish thunder on spandrel girder
Beam sets up transverse distribution beam in Bailey beam, longitudinal distribution beam is set up on transverse distribution beam, steel face is equipped in longitudinal distribution beam
Plate.
As shown in Figure 1 and Figure 2, the steel-pipe pile includes lower layer's steel-pipe pile 1 and upper layer steel-pipe pile 2, lower layer's steel-pipe pile 1
Lower end inserting piling enter in water-bed soil layer, the lower end of upper end and upper layer steel-pipe pile 2 is welded, on lower layer's steel-pipe pile 1 under end
Side offers through-hole, and lower layer's spandrel girder 3, the both ends point of lower layer's spandrel girder 3 are arranged in direction across bridge between Liang Gen lower layer steel-pipe pile
It is not interspersed in the through-hole of two lower layer's steel-pipe piles, installation lower layer's Bailey beam 4 on lower layer's spandrel girder 3, in lower layer's Bailey beam 4
From bottom to top successively set up lower layer's transverse distribution beam 5, lower layer's longitudinal direction distribution beam 6, lower layer's steel facing 7；Two upper layer steel-pipe piles 2 it is upper
It sets up upper layer spandrel girder 8 between end, upper layer Bailey beam 9 is installed on upper layer spandrel girder 8, in upper layer Bailey beam 9 from bottom to top successively
Set up upper layer transverse distribution beam 10, upper layer longitudinal direction distribution beam 11, upper layer steel facing 12.
As shown in figure 3, for the bonding strength for guaranteeing upper layer steel-pipe pile and lower layer's steel-pipe pile, in lower layer's steel-pipe pile upper end and upper
Circumferential welding muti-piece bar steel plate 13 between the outer wall of layer steel-pipe pile lower end.
The through-hole opened up on lower layer's steel-pipe pile should be typically positioned at the 1m of end or less, and the diameter of through-hole should be greater than lower load-bearing
The width and height of beam.
For the utility model when it is implemented, first setting up lower layer's trestle in the dry season, lower layer's trestle is lower from water surface elevation,
Construction risk can be reduced.Before the water storage phase arrives, upper layer steel-pipe pile is welded on lower layer's steel-pipe pile, sets up upper layer steel trestle.Water
Position can continue to construct after increasing using upper layer steel trestle.In next dry season, can continue to be constructed with lower layer's steel trestle, if on
Layer steel trestle influences construction, can temporarily remove upper layer, sets up again when water level rises.It sets up and dismantles to improve steel trestle
Speed, the utility model is when setting up rigid trestle using a variety of structures convenient for being rapidly assembled and disassembled.
One of detachable structure is to use detachable bracket.Through hole and upper layer steel pipe in lower layer's steel-pipe pile 1
The upper end of stake 2 has been respectively mounted detachable bracket 15.
As shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, the detachable bracket 14 includes a horizontally disposed top plate 141, the top
Weld an inner support plate 142 and an external support board 143 vertical with top plate, the inner support plate 142 and outer support in 141 bottom surface of plate
Plate 143 is arc, and its radian is identical as the inner and outer wall radian of upper and lower level steel-pipe pile 1 and 2 respectively, inner support plate 142
Gap between external support board 143 is equal to the wall thickness of steel-pipe pile；Two are welded between the top plate 141 and inner support plate 142
The block endosternum 144 vertical with top plate and inner support plate, the top of the endosternum 144 and the bottom surface of top plate are welded, side
Side and inner support plate are welded；In the top plate and two pieces of outer abdomens vertical with top plate and outer inner support plate of welding between external support board
Plate 145, the top of the outer web 145 and the bottom surface of top plate 141 are welded, and a side and external support board 143 weld；Fig. 6 and Fig. 7
By taking the connection of upper layer steel-pipe pile 2 and detachable bracket 14 as an example, the detachable bracket 14 is mounted on upper layer steel-pipe pile 2, on
The tube wall of layer steel-pipe pile 2 is inserted into the gap between the inner support plate and external support board of detachable bracket, and external support board, steel pipe
Pass through the connection fastening of bolt 15 between pile lining, inner support plate；Lower layer's spandrel girder and upper layer spandrel girder are supported and are welded on
On detachable bracket on steel-pipe pile.
To guarantee detachable bracket reasonable stress, rectangle can be set by the endosternum 144 of detachable bracket, one is short
Side and top board undersurface are welded, and a long side and inner support plate are welded；The outer web 145 is right-angled trapezium, two right-angle side point
It is not welded with top board undersurface and external support board.
Common steel trestle, bracket are all welded on steel-pipe pile, and steel-pipe pile is welded on bracket again, when installation time-consuming compared with
Long, when disassembly, needs to cut, and cutting back part can not be reused.The detachable bracket that the utility model uses, will when disassembly
The bolt 156 of connection bracket and steel-pipe pile is unscrewed and can integrally remove spandrel girder with bracket, may be reused.
The two of detachable structure are that the lower boom of lower layer's Bailey beam 4 and upper layer Bailey beam 9 is passed through gate-type limiting device 16
It is stuck on lower spandrel girder and upper spandrel girder.As shown in figure 8, the gate-type limiting device 16 includes a horizontally disposed cross bar
161, the bottom both ends of the cross bar are respectively welded two limited posts 162 vertical with cross bar, between two limited posts at every end
It is stuck between two limited posts away from the lower boom equivalent width with Bailey beam, and by Bailey beam lower boom, the lower end of the limited post
With spandrel girder spot-welded.
It is to weld Bailey beam lower boom and spandrel girder usually when setting up steel trestle.In installation and removal all compared with taking
Working hour.The utility model loosens its spot welding between spandrel girder to percussion gate-type limiting device when dismantling Bailey beam, along bridge,
The connection of Bailey beam and spandrel girder can be released.
The three of detachable structure are to use chuck plate fixing structure.Transverse distribution beam rides upon on the top boom of Bailey beam,
Transverse distribution beam generally uses I-steel, is to regard I-steel side flange plate as bottom plate downward usually when steel trestle is set up
It is cumbersome when welding, but dismantling with Bailey beam top boom.The utility model is at the top boom top surface of Bailey beam and the bottom of distribution beam
Four angles of plate contact infall are installed by one snap-gauge respectively.As described in Figure 9, snap-gauge 17 is a rectangle steel for being equipped with V-type bayonet 171
Plate.As shown in figs. 10,11 and 12, by taking the connection of upper layer Bailey beam 9 and upper layer transverse distribution beam 11 as an example, the plate of snap-gauge 17
Face and horizontal plane, the bayonet of snap-gauge 17 is towards the top boom 91 of upper layer Bailey beam 9 and the bottom plate of upper layer transverse distribution beam 11
111 contact crossover locations, and the top edge in the bayonet 171 of snap-gauge 17 is contacted with the bottom plate 111 of upper layer transverse distribution beam 11, snap-gauge
Lower edge in bayonet is contacted with the top boom 91 of upper layer Bailey beam 9, the bottom plate 111 of snap-gauge bayonet and upper layer transverse distribution beam 11
And the contact position of the top boom 91 of upper layer Bailey beam 9 is all made of spot-welded.When steel trestle is dismantled, snap-gauge 17 is tapped by its spot welding
It loosens, the connection of upper layer Bailey beam Yu upper layer transverse distribution beam can be released.
Claims (7)
1. a kind of double-deck steel trestle for the construction of water Bridge, including two alignment bridges to the steel-pipe pile of setting, direction across bridge is two
Spandrel girder is erected in row's steel-pipe pile between often opposite two steel-pipe piles, along bridge to installation Bailey beam on spandrel girder, in Bailey beam
Transverse distribution beam is set up, longitudinal distribution beam is set up on transverse distribution beam, steel facing is installed in longitudinal distribution beam, feature exists
In: the steel-pipe pile includes lower layer's steel-pipe pile and upper layer steel-pipe pile, and the lower end inserting piling of lower layer's steel-pipe pile enters in water-bed soil layer,
Upper end and the lower end of upper layer steel-pipe pile are welded, and offer through-hole below the end of lower layer's steel-pipe pile, direction across bridge is under two
Lower layer's spandrel girder is set between layer steel-pipe pile, the both ends of lower layer's spandrel girder are respectively interposed in the through-hole of two lower layer's steel-pipe piles,
Lower layer's Bailey beam is installed on lower layer's spandrel girder, from bottom to top successively set up in lower layer's Bailey beam lower layer's transverse distribution beam,
Lower layer's longitudinal direction distribution beam, lower layer's steel facing；Upper layer spandrel girder is set up between the upper end of two upper layer steel-pipe piles, is pacified on the spandrel girder of upper layer
A layer Bailey beam is loaded onto, upper layer transverse distribution beam, upper layer longitudinal direction distribution beam, upper layer steel are from bottom to top successively set up in the Bailey beam of upper layer
Panel.
2. the double-deck steel trestle according to claim 1 for the construction of water Bridge, it is characterised in that: in lower layer's steel-pipe pile
Circumferential welding muti-piece bar steel plate between upper end and the outer wall of upper layer steel-pipe pile lower end.
3. the double-deck steel trestle according to claim 1 for the construction of water Bridge, it is characterised in that: lower layer's steel pipe
Through-hole in stake is provided with from 1m below end；The diameter of through-hole is greater than the width and height of lower layer's spandrel girder.
4. the double-deck steel trestle according to claim 1 for the construction of water Bridge, it is characterised in that: lower layer's steel pipe
The upper end of through hole and upper layer steel-pipe pile in stake is mounted on detachable bracket；The detachable bracket includes one horizontal
The top plate of setting, the top board undersurface weld an inner support plate and an external support board vertical with top plate, the inner support plate with
External support board is arc, and its radian is identical as the inner and outer wall radian of steel-pipe pile respectively, inner support plate and external support board
Between gap be equal to steel-pipe pile wall thickness；Two pieces of welding is equal with top plate and inner support plate between the top plate and inner support plate
Vertical endosternum, the top of the endosternum and the bottom surface of top plate are welded, and a side and inner support plate are welded；In the top plate
Weld two blocks of outer webs vertical with top plate and outer inner support plate between external support board, the top of the outer web and top plate
Bottom surface welding, a side and external support board weld；The detachable bracket is mounted on steel-pipe pile, and the tube wall insertion of steel-pipe pile can
The gap between the inner support plate and external support board of bracket is dismantled, and is passed through between external support board, steel pipe pile lining, inner support plate
It is bolted fastening；Lower layer's spandrel girder and upper layer spandrel girder are both supported upon on the detachable bracket on steel-pipe pile.
5. the double-deck steel trestle according to claim 4 for the construction of water Bridge, it is characterised in that: the detachable ox
The endosternum of leg is rectangle, and one short side and top board undersurface are welded, and a long side and inner support plate are welded；The outer web is straight
Angle is trapezoidal, two right-angle side is welded with top board undersurface and external support board respectively.
6. the double-deck steel trestle according to claim 1 for the construction of water Bridge, it is characterised in that: the lower layer shellfish thunder
Beam and the lower boom of upper layer Bailey beam are stuck on lower spandrel girder and upper spandrel girder by gate-type limiting device, the gate-type limit
Position device includes a horizontally disposed cross bar, and two limited posts vertical with cross bar are respectively welded in the bottom both ends of the cross bar,
The spacing of two limited posts at every end and the lower boom equivalent width of Bailey beam, and by Bailey beam lower boom be stuck in two limited posts it
Between.
7. the double-deck steel trestle according to claim 1 for the construction of water Bridge, it is characterised in that: in the Bailey beam
Top boom top surface and four angles of contacts baseplate infall of the distribution beam one snap-gauge is installed respectively, the snap-gauge is one to set
There are a rectangular steel plates of V-type bayonet, the plate face and horizontal plane of snap-gauge, the bayonet of snap-gauge is towards Bailey beam top boom and distribution beam
Contacts baseplate crossover location, the contacts baseplate of top edge and distribution beam in snap-gauge bayonet, lower edge and shellfish in snap-gauge bayonet
The top boom of Lei Liang contacts, and snap-gauge bayonet and the contact position of distribution beam bottom plate and Bailey beam top boom are all made of spot-welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820978837.7U CN208346650U (en) | 2018-06-25 | 2018-06-25 | A kind of double-deck steel trestle for the construction of water Bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820978837.7U CN208346650U (en) | 2018-06-25 | 2018-06-25 | A kind of double-deck steel trestle for the construction of water Bridge |
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| CN208346650U true CN208346650U (en) | 2019-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116837806A (en) * | 2023-06-12 | 2023-10-03 | 中国铁建港航局集团有限公司 | Method for erecting anti-collision pier water platform |
-
2018
- 2018-06-25 CN CN201820978837.7U patent/CN208346650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116837806A (en) * | 2023-06-12 | 2023-10-03 | 中国铁建港航局集团有限公司 | Method for erecting anti-collision pier water platform |
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