CN108708284A - A kind of steel trestle construction method for resisting flood discharge bed scour - Google Patents
A kind of steel trestle construction method for resisting flood discharge bed scour Download PDFInfo
- Publication number
- CN108708284A CN108708284A CN201810506336.3A CN201810506336A CN108708284A CN 108708284 A CN108708284 A CN 108708284A CN 201810506336 A CN201810506336 A CN 201810506336A CN 108708284 A CN108708284 A CN 108708284A
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- China
- Prior art keywords
- pile
- steel
- shaped steel
- trestle
- girder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/06—Placing concrete under water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/40—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Architecture (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of steel trestle construction method for resisting flood discharge bed scour, basis includes vertical bridge to spaced apart large and small steel-pipe pile, installation hood type connection system between adjacent direction across bridge steel-pipe pile；Small steel-pipe pile base opening inserting piling is embedded in distribution beam by stake top groove and trestle girder is closely connected to scar；After large steel pipe stake base opening inserting piling to scar, first interim bracket is welded to both sides in pile body along bridge, distribution beam is put again and trestle girder is closely connected, when trestle toward not less than 2 times holes of assembled length in front of row steel-pipe pile across when, percussive drill is set on the trestle girder of row's steel-pipe pile position, casing hole milling is done using large steel pipe stake and with proceeding to designed elevation in rock stratum, cut off interim bracket, again formal bracket is welded, it is concordant with trestle girder to cut large steel pipe stake top mouth, and anti-anchoring pile is formed in large steel pipe stake lower end filling underwater concrete.Quick construction of the present invention, can quickly form channel waterborne, carry out anti-anchoring pile construction by land, operating environment is good, and fund input is few.
Description
Technical field
The present invention relates to technical field of bridge construction, and flood discharge can be resisted by riding upon mining under reservoir region more particularly, to one kind
The steel trestle construction method of bed scour.
Background technology
In water during bridge foundation construction, logical two sides are generally drawn by the way of setting up steel trestle, form work waterborne
Industry channel is passed through for Material Transportation and construction equipment.Due to the advantages that steel-pipe pile inserting piling is simple for process, structure stress is strong
It is usually used in steel trestle infrastructure in water.If but in the construction of mining under reservoir region, riverbed washes away lower no weakness in reservoir spillway
Coating, surface layer is mostly gravel, cobble, and when being rock stratum condition down, the infrastructure of trestle is all using inserting piling formula in water
The shortcomings that steel-pipe pile is that valid bonding length is short, is easily impacted by flood discharge torrent speed in short-term, and steel trestle overall stability is caused to be deteriorated,
Unstability is in turn resulted in the negative consequences such as to collapse；And it is connected reinforced concrete drilling stake under steel-pipe pile and then needs to make in large area water
Industry, not only long construction period, and marine equipment and goods and materials input are more, personnel's job safety risk height.
Invention content
The purpose of the present invention is to provide a kind of speed of applications soon, steel trestle infrastructure is stable, can resist flood discharge torrent
The steel trestle construction method of impact.
To achieve the above object, the present invention can take following technical proposals：
The steel trestle construction method of the present invention for resisting flood discharge bed scour, including the setting of construction underwater foundation and laying dress
With formula floorings, Specific construction step is：
The first step is designed according to steel trestle, prepares II shape steel tube of the I shaped steel pile pile and diameter 426mm of diameter 920mm respectively
Stake, wherein the base opening of II shaped steel pile pile carries pile top, top opening offers the groove for embedding distribution beam；
Second step, by design requirement, by crawler crane erect-position in beach on the bank or bridge floor of having constructed using I shape steel tube of outstanding play pair
Stake and II shaped steel pile pile staggeredly carry out inserting piling successively, wherein I shaped steel pile pile direction across bridge interval inserting piling two, II shaped steel pile pile cross-bridges
To interval inserting piling three；
Third walk, after the pile top inserting piling to rock top surface of II shaped steel pile pile, distribution beam is embedded in its top groove, top and
Girder is closely connected, installs hood type connection system between the adjacent two II shaped steel pile pile of direction across bridge later；
4th step is faced along bridge to the welding in I shape steel tube stake top mouth both sides after I shaped steel pile pile base opening inserting piling to rock top surface
When bracket, then put that distribution beam is closely connected with girder, the girder top surface between two I shaped steel pile piles is laid with assembled steel bridge floor later
Plate, wherein I shape steel tube stake top portion leaves a blank, width >=1 meter of leaving a blank；
5th step, when trestle toward not less than 2 times holes of assembled length in front of row steel-pipe pile across when, close to the I shaped steel pile pile of row
Assembled steel floorings on percussive drill is set, doing casing using I shaped steel pile pile hole milling and designed with proceeding in rock stratum
Absolute altitude；Then it removes distribution beam and cuts off the interim bracket of the 4th step welding, by designed elevation position again on I shaped steel pile pile
Formal bracket is welded, then puts distribution beam；It is closely knit with steel plate pad between distribution beam and girder, cut I shape steel tube stake top
Mouth is concordant with girder；
6th step forms anti-anchoring pile from the I inside pouring underwater concrete of shape steel tube stake top mouth to rock top surface；Then in cross-bridges
It is to hood type connection is installed between two I shaped steel pile piles；It is laid with assembled steel floorings at the place of leaving a blank；
7th step repeats second step to the 6th step, completes entire steel trestle construction.
Depth >=5 meter for the anti-anchoring pile being perfused in 6th step.
The advantage of the invention is that quick construction, when construction, can quickly form channel waterborne, carry out anti-anchoring pile by land and apply
Work, operating environment is good, and fund input is few；The design of steel trestle infrastructure is more reasonable, economical, the steel trestle lower part base constructed
Plinth is stablized, and I shaped steel pile pile being relatively large in diameter is as strong stake, and II smaller shaped steel pile pile of diameter is as weak stake, strong, weak stake interval cloth
It sets, has not only met the stress needs of trestle under prevailing state, but also the impact of torrent speed flow in short-term can be resisted, ensure that reservoir spillway
At present the safety of trestle.
Description of the drawings
Fig. 1 is steel trestle Construction State schematic diagram of the present invention.
Fig. 2 is steel trestle operation state schematic diagram of the present invention.
Fig. 3 is the A-A of Fig. 2 to cutaway view Amplified image.
Fig. 4 is the B-B direction cutaway view Amplified image of Fig. 2.
Specific implementation mode
More detailed explanation is done to the present invention below in conjunction with the accompanying drawings.
The steel trestle construction method of the present invention for resisting flood discharge bed scour, including the setting of construction underwater foundation and paving
If unit construction bridge panel, Specific construction step is：
The first step is designed according to steel trestle, prepares II shape steel tube of the I shaped steel pile pile 1 and diameter 426mm of diameter 920mm respectively
Stake 2, wherein the base opening of II shaped steel pile pile 2 carries pile top, top opening offers the groove for embedding distribution beam（Due to I shaped steel pile pile, 1 He
The diameter of II shaped steel pile pile 2 is different, and corresponding, the distribution beam model being placed on I shaped steel pile pile 1 can be larger, and place
Distribution beam model on II shaped steel pile pile 2 can be smaller, not only needs the load-bearing requirements for meeting whole steel trestle, but also more pass through
Ji.Distribution beam can be prefabricated in advance according to design requirement）；
Second step, as shown in Figure 1, design requirement is pressed, by 3 erect-position of crawler crane in beach on the bank or bridge floor of having constructed（Fig. 1 is shown
Be erect-position on bridge floor of having constructed）Inserting piling is staggeredly carried out using I shaped steel pile pile 1 of outstanding play pair and II shaped steel pile pile 2 successively,
In I shaped steel pile pile, 1 direction across bridge interval inserting piling two, II shaped steel pile pile, 2 direction across bridge interval inserting piling three；
Third walks, after the pile top of II shaped steel pile pile 2 passes through 4 inserting piling of boulder bed to 5 top surface of rock, ting model distribution beam 6 is embedding
Enter in its top groove, top and girder 7 are closely connected, install hood type between the adjacent two II shaped steel pile pile 2 of direction across bridge later
Connection is 8, as shown in Figure 1, Figure 3；
4th step is welded along bridge in I shaped steel pile pile, 1 top opening both sides after I shaped steel pile pile, 1 base opening inserting piling to 5 top surface of rock
Interim bracket 9, then put big model distribution beam 10 and girder 7 is closely connected, the girder top surface between two I shaped steel pile piles 1 is spread later
If assembled steel floorings 11, wherein I shape steel tube stake top portion leaves a blank, distance of leaving a blank is not less than 1 meter；
5th step, when trestle toward not less than 2 times holes of assembled length in front of row steel-pipe pile across when（As shown in Figure 1）, it is somebody's turn to do close
Setting percussive drill 12 on the assembled steel floorings 11 of I shaped steel pile pile 1 is arranged, doing casing using I shaped steel pile pile 1 carries out hole milling simultaneously
With proceeding to designed elevation in rock stratum 4；Then it removes big model distribution beam 10 and cuts off the interim bracket 9 of the 4th step welding, by setting
Meter elevation location welds formal bracket 13 on I shaped steel pile pile 1 again（As shown in Figure 2）, then big model distribution is put again
Beam 10；And it is closely knit with 14 pad of steel plate between distribution beam 10 and girder 7, cutting I shaped steel pile pile, 1 top opening is concordant with girder 7；
6th step forms anti-anchoring pile 15 from the inside pouring underwater concrete of I shaped steel pile pile, 1 top opening to rock top surface（It is let out to resist
The impact of torrent when big vast, under normal circumstances, the depth of anti-anchoring pile 15 want >=5 meters）；Then between two I shaped steel pile pile 1 of direction across bridge
It is 16 to install hood type connection, as shown in Figure 4；Finally assembled steel floorings 11 are laid at the place of leaving a blank；
7th step repeats second step to the 6th step, completes entire steel trestle construction.
The steel trestle to put into effect after the completion of constructing is as shown in Figure 2.
Claims (3)
1. a kind of steel trestle construction method for resisting flood discharge bed scour, including the setting of construction underwater foundation and laying unit construction bridge
Panel, it is characterised in that：Specific construction step is：
The first step is designed according to steel trestle, prepares II shape steel tube of the I shaped steel pile pile and diameter 426mm of diameter 920mm respectively
Stake, wherein the base opening of II shaped steel pile pile carries pile top, top opening offers the groove for embedding distribution beam；
Second step, by design requirement, by crawler crane erect-position in beach on the bank or bridge floor of having constructed using I shape steel tube of outstanding play pair
Stake and II shaped steel pile pile staggeredly carry out inserting piling successively, wherein I shaped steel pile pile direction across bridge interval inserting piling two, II shaped steel pile pile cross-bridges
To interval inserting piling three；
Third walk, after the pile top inserting piling to rock top surface of II shaped steel pile pile, distribution beam is embedded in its top groove, top and
Girder is closely connected, installs hood type connection system between the adjacent two II shaped steel pile pile of direction across bridge later；
4th step is faced along bridge to the welding in I shape steel tube stake top mouth both sides after I shaped steel pile pile base opening inserting piling to rock top surface
When bracket, then put that distribution beam is closely connected with girder, the girder top surface between two I shaped steel pile piles is laid with assembled steel bridge floor later
Plate, wherein I shape steel tube stake top portion leaves a blank；
5th step, when trestle toward not less than 2 times holes of assembled length in front of row steel-pipe pile across when, close to the I shaped steel pile pile of row
Assembled steel floorings on percussive drill is set, doing casing using I shaped steel pile pile hole milling and designed with proceeding in rock stratum
Absolute altitude；Then it removes distribution beam and cuts off the interim bracket of the 4th step welding, by designed elevation position again on I shaped steel pile pile
Formal bracket is welded, then puts distribution beam；It is closely knit with steel plate pad between distribution beam and girder, cut I shape steel tube stake top
Mouth is concordant with girder；
6th step forms anti-anchoring pile from the I inside pouring underwater concrete of shape steel tube stake top mouth to rock top surface；Then in cross-bridges
It is to hood type connection is installed between two I shaped steel pile piles；It is laid with assembled steel floorings at the place of leaving a blank；
7th step repeats second step to the 6th step, completes entire steel trestle construction.
2. the steel trestle construction method according to claim 1 for resisting flood discharge bed scour, it is characterised in that：Described 4th
I shape steel tube stake top portion leaves a blank width >=1 meter in step.
3. the steel trestle construction method according to claim 1 for resisting flood discharge bed scour, it is characterised in that：Described 6th
Depth >=5 meter for the anti-anchoring pile being perfused in step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506336.3A CN108708284B (en) | 2018-05-24 | 2018-05-24 | A kind of steel trestle construction method for resisting flood discharge bed scour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506336.3A CN108708284B (en) | 2018-05-24 | 2018-05-24 | A kind of steel trestle construction method for resisting flood discharge bed scour |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108708284A true CN108708284A (en) | 2018-10-26 |
| CN108708284B CN108708284B (en) | 2019-11-05 |
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| CN201810506336.3A Active CN108708284B (en) | 2018-05-24 | 2018-05-24 | A kind of steel trestle construction method for resisting flood discharge bed scour |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409281A (en) * | 2019-08-12 | 2019-11-05 | 中交隧道工程局有限公司 | A kind of deep water drift net steel trestle |
| CN111576222A (en) * | 2020-05-06 | 2020-08-25 | 广州市市政工程设计研究总院有限公司 | Construction method of steel pipe pile stacked road type road |
| CN116856408A (en) * | 2023-09-04 | 2023-10-10 | 中交第一航务工程局有限公司 | Sinking method of steel casing suitable for deepwater bare rock area |
| CN117071452A (en) * | 2023-10-13 | 2023-11-17 | 中国建筑第六工程局有限公司 | Flood protection method for trestle bridge in high-drop water level construction |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409281A (en) * | 2019-08-12 | 2019-11-05 | 中交隧道工程局有限公司 | A kind of deep water drift net steel trestle |
| CN110409281B (en) * | 2019-08-12 | 2024-03-15 | 中交隧道工程局有限公司 | Deepwater bare rock steel trestle |
| CN111576222A (en) * | 2020-05-06 | 2020-08-25 | 广州市市政工程设计研究总院有限公司 | Construction method of steel pipe pile stacked road type road |
| CN116856408A (en) * | 2023-09-04 | 2023-10-10 | 中交第一航务工程局有限公司 | Sinking method of steel casing suitable for deepwater bare rock area |
| CN116856408B (en) * | 2023-09-04 | 2023-11-07 | 中交第一航务工程局有限公司 | Sinking method of steel casing suitable for deepwater bare rock area |
| CN117071452A (en) * | 2023-10-13 | 2023-11-17 | 中国建筑第六工程局有限公司 | Flood protection method for trestle bridge in high-drop water level construction |
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| Publication number | Publication date |
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| CN108708284B (en) | 2019-11-05 |
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