CN103233452B - The pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile - Google Patents
The pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile Download PDFInfo
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Abstract
The invention discloses the pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile, the step of the method is as follows: (1) arranges transport support on cargo ship, and described support is installed on the deck of cargo ship, and longitudinal symmetry is loaded in two sides of a ship; (2) utilize steel sheet pile on transport support, complete the assembled of nominative sheet pile 1/4 cylinder, obtain corresponding 1/4 round steel sheet pile assembly tab; (3) towboat is utilized to be mounted with the cargo ship haul of 1/4 round steel sheet pile assembly tab to job site.This traffic program effectively can solve problem existing in prior art, ensures Shipping stability and safety.
Description
Technical field
The present invention relates to a kind of marine man-made island construction technology, particularly relate to the pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile.
Background technology
Man-made island is generally artificial land of building in Nearshore Shallow Sea waters, as the place of carrying out operation on the sea or other purposes, mostly has trestle or seabed tunnel to be connected with bank.The coastal state of modern industry prosperity, densely populated, urban congestion is with in strand one, make to further develop and be very limited with construction of new enterprise and communal facilities, the problems such as the inhabitation in original city itself, traffic, noise, water and air pollution are also difficult to solve.Therefore, build man-made island, change or improve an above-mentioned difficult problem.Man-made island is one of mode utilizing ocean space, is also a kind of emerging ocean engineering.
China Zhuhai and Macao bridge Hong Kong man-made island, port (HKBCF) is an important component part of Zhuhai and Macao bridge Hong Kong, port connecting line, through connection Tunmen, red La Jiao airport and Dayu Mountain, and floor space about 1,500,000 square meter.This man-made island reclamation is as port Zhuhai and Macao bridge conveyance system, and the progress of engineering, quality and security relationship, to the construction and development of whole bridge, are implemented this project smoothly, had solid place mat effect to the construction of whole port Zhuhai and Macao bridge.This man-made island backfills filler form by the cofferdam that adds mole at lattice steel sheet pile large cylinder and formed.
See Fig. 1, its lattice steel sheet pile island wall construction axial length is about 5.1km, and total lattice steel sheet pile large cylinder (101) 134, diameter is respectively 26.9m and 31.194m.Nominative 101(and lattice steel sheet pile large cylinder) the secondary lattice 102 totally 133 groups that are connected with nominative, be respectively: the secondary lattice diameter 1. between diameter 26.9m nominative is 10.976m, totally 55 groups (110), the secondary lattice of monolithic are made up of 33 block plate stakes; 2. the secondary lattice diameter between diameter 31.194m nominative is 15.96m, totally 77 groups (154), and the secondary lattice of monolithic are made up of 46 block plate stakes; 3. the secondary lattice diameter between diameter 26.9m nominative and diameter 31.194m nominative is 16.296m, totally 1 group (2), and the secondary lattice of monolithic are made up of 47 block plate stakes.
Meanwhile, this engineering adopts YSP-FXL type straight abdomen formula steel sheet pile, and material is S355, length 23.6 ~ 37.1m, and its nominal width is 500mm, and web thickness is 12.7mm, and corner is 10 °, and theoretical weight is 77.2kg/m.Before carrying out the construction of lattice steel sheet pile large cylinder, first the construction of hardcore bed, geotextiles and broken stone pile should be completed, the construction of lattice steel sheet pile large cylinder can be carried out after the Macadam Pile Construction one section of scope of operation, after the installation of lattice steel sheet pile large cylinder, answer in 24 hours and carry out filler backfilling working in cylinder.The installation of two adjacent lattice steel sheet pile large cylinder nominatives also, after having backfilled, can carry out secondary lattice construction.
Above-mentioned engineering mainly contains five large difficult points in work progress: 1) construction area limit for height.2) depth of water is shallow.3) features as poor geologic condition, makes stake long.4) complete off-shore operation, marine environmental requirement is high.5) duration is tight.Based on field condition and the construction period of this " all restricted up and down ", the construction of lattice steel sheet pile large cylinder nominative have selected the technique of one " 1/4 land pre-splicing, waterborne combination free combat ".This technique passes through assembled nominative sheet pile 1/4 cylinder in advance, obtains corresponding 1/4 round steel sheet pile assembly tab; Again assembled 1/4 good round steel sheet pile assembly tab and the stake of closing up processed are transported to job site; Finally at the construction field (site), by special floating crane anchoring inside the wall of island, one-sided lifting 4 1/4 round steel sheet pile assembly tab, Zai Jiang island wall outside plate stake assembly tab is rotating positioning respectively, thus completes the steel sheet pile integral assembling of a lattice body; Lattice body steel sheet pile is assembled complete after, adopt vibrating hammer progressively, layering shakes and is sink to design altitude.
Due to the high 23.6 ~ 37.1m of nominative sheet pile 1/4 cylinder not etc., add the restriction of on-site hoisting condition, the pre-assort of 1/4 large cylinder (i.e. 1/4 round steel sheet pile assembly tab) need uprightly transport, ships that transport load height need reach about 38m, and be suspension type in pre-assort transportation, therefore, the stability in pre-assort transportation, the self stability of ships that transport, towage mode are need the problem that will solve badly.
Summary of the invention
The present invention is directed to nominative sheet pile 1/4 cylinder of height between 23.6 ~ 37.1m in long-range sea-freight process in the self stability of stability, ships that transport, towage mode etc. existing for problem, and provide a kind of lattice steel sheet pile large cylinder nominative sheet pile pre-splicing 1/4 cylinder transportation resources.This traffic program effectively can solve problem existing in prior art, ensures Shipping stability and safety.
For achieving the above object, the present invention adopts following technical scheme:
The pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile: this transportation resources comprises the steps:
(1) on cargo ship, arrange transport support, described support is installed on the deck of cargo ship, and longitudinal symmetry is loaded in two sides of a ship;
(2) utilize steel sheet pile on transport support, complete the assembled of nominative sheet pile 1/4 cylinder, obtain corresponding 1/4 round steel sheet pile assembly tab;
(3) towboat is utilized to be mounted with the cargo ship haul of 1/4 round steel sheet pile assembly tab to job site.
In preferred embodiment of the present invention, described cargo ship is deck bearing goods: four transport supports are installed on deck, each heavy about 180t, gross weight 720t, each transport support has 6 layers of platform, adopts electric welding technique to be connected with ship board.
Further, described transport support adopts column steel truss structure, each support is totally 7 root posts, in the layout of transport support: a root post is at center, the both sides of every three one group of symmetrical middle standing pillars in all the other six roots of sensation columns, and three root posts of both sides are all arranged by the radian of 1/4 round steel sheet pile; Transport support establishes 6 layers of platform up and down altogether, column bottom and ship board are welded to connect, and landing beam and platform truss are all welded to connect with column, and each platform both sides are the Curved beam of support 1/4 round steel sheet pile, centre is steel pipe truss, establishes steel sheet pile to link up with outside top layer Curved beam.
Further, described step (2), when assembled nominative sheet pile 1/4 cylinder, adopts hook to hang on transport support by steel sheet pile, is furnished with T-shaped hook at upper and lower two places of transport support, steel sheet pile, is used for steel sheet pile and transport support to lock in relevant position welding T-slot every 6; The pre-splicing load of steel sheet pile is assembled complete after, be furnished with fastener every 15m from top to bottom in pre-splicing load both sides, adopt fastening bolt pre-splicing load is connected with transport support, guarantee that pre-splicing load can not rock in transit.
Further, the detailed step that described nominative sheet pile 1/4 cylinder is assembled is as follows:
(11) lift by crane first steel sheet pile, and be suspended on the Curved beam of cargo ship cradle top;
(12) lift by crane next root steel sheet pile, insert in the snap close of last sheet pile, and be suspended on the Curved beam at transport support top;
(13) according to step (12) with this hoisting steel sheet pile to corresponding assembled position, complete the assembled of nominative sheet pile 1/4 cylinder, obtain corresponding 1/4 round steel sheet pile assembly tab;
(14) be furnished with fastener every 15m from top to bottom in pre-splicing load both sides, adopt fastening bolt to be connected with transport support by pre-splicing load, guarantee that pre-splicing load can not rock in transit.
Further, when described step (3) carries out haul cargo ship, adopt towing and tie up and drag the mode of combination to transport.
Further, described cargo ship is dumb barge, adopts tugboat to haul as navigating power ship.During haul, adopt a main tugboat in a usual manner towing or tie up drag, main tugboat is connected with adopting special towing cable between cargo ship; Article one, auxiliary tug is tied up in a usual manner at cargo ship side afterbody and is dragged, and the special towing cable of auxiliary tug bow, stern is tied up on cargo ship bollard, and auxiliary tug has been held concurrently convoy effect.
The pre-splicing 1/4 cylinder transportation resources of lattice steel sheet pile large cylinder nominative sheet pile provided by the invention has the following advantages in actual use:
1) problem of lattice steel sheet pile large cylinder constructional difficulties is effectively solved.
2) utilize cargo ship directly as a 1/4 cylinder steel sheet pile assembled place part, decrease the link that building block falls to refuting, strengthen the stability in boats and ships carried and transported process, and save assembled place land-based area area.Both provided cost savings, turn increased Transport Safety.
3) adopt " cradle integration " technique, when ensure that transport, boats and ships and goods is stable.
4) mode of " steel sheet pile is hung anchor and combined " is adopted to efficiently solve the stable problem of the pre-splicing load of transportation Steel Sheet Pile.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is man-made island Steel Sheet Pile grille plane arrangement diagram in the present invention;
Fig. 2 is cargo ship transport support layout schematic diagram in the present invention;
Fig. 3 is the structural representation of transport support in the present invention;
Fig. 4 is Steel Sheet Pile of the present invention T-shaped hook locking device schematic diagram.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Backfill filler in adopt lattice steel sheet pile large cylinder to add cofferdam that mole formed and formed in the work progress of lattice steel sheet pile island wall of man-made island, the assembled 1/4 round steel sheet pile assembly tab obtained in advance is needed according to construction technology, but the diameter of lattice steel sheet pile large cylinder is respectively 26.9m and 31.194m, and the high 23.6 ~ 37.1m of nominative sheet pile 1/4 cylinder does not wait (namely adopting the length of steel sheet pile), add the restriction of on-site hoisting condition, the pre-assort of 1/4 large cylinder (i.e. 1/4 round steel sheet pile assembly tab) need uprightly be transported, ships that transport load height need reach about 38m, and be suspension type in pre-assort transportation.All risk is there is in the stability of the pre-assort of 1/4 large cylinder in transportation of huge size like this, the self stability of ships that transport and towage mode etc.
Although the long-range sea-freight of superelevation part has, loading is all robust structure, and the superelevation related in the present invention, abnormity, the pre-assort of unsteady 1/4 large cylinder cannot complete haul according to the haul mode of routine.
For this reason, the present invention is directed to the feature of the pre-assort of 1/4 large cylinder, there is provided a kind of lattice steel sheet pile large cylinder nominative sheet pile pre-splicing 1/4 cylinder traffic program, the program have employed with the technique of " sheet pile is hung anchor and combined ", " cradle integration " guarantees that cylinder is stablized, and takes into full account Shipping stability during support Design.
Meanwhile, when barge with deck transports multiple superelevation steel sheet pile 1/4 large cylinder pre-building block, adopt towing to drag the mode of combination to transport with tying up, nation's tugboat has been held concurrently convoy effect, guarantees stable sea.
For above-mentioned principle, specific embodiment of the invention process is as follows:
One, the condition of the long-distance water transport of the pre-assort of superelevation lattice steel sheet pile 1/4 large cylinder is determined
According to the design feature of the pre-assort of 1/4 large cylinder, determine that the pre-assort water transportation of 1/4 large cylinder must meet the following conditions:
(1) navigation channel that 18000 tonnes of bargings are reached the spot is possessed;
(2) link that building block falls to refuting is reduced as far as possible;
(3) cargo ship must meet constant inclination stability requirement;
(4) corresponding bridge headway requirement on navigation channel can be expired.
If above-mentioned condition can meet, the long-distance water transport of the pre-assort of superelevation lattice steel sheet pile 1/4 large cylinder can be implemented.
For reducing the link that building block falls to refuting, strengthen the stability in boats and ships carried and transported process, and save assembled place land-based area area, the present invention directly arranges fixing transport support as assembled place in steel sheet pile pre-assort Ship for Transporting Module.Both provided cost savings, turn increased Transport Safety.
Two, Ship for Transporting Module is selected
Nominative cargo ship adopts:
, a 12000t level cargo ship, long 118 meters (efficient loading length 105 meters), effectively wide 28 meters, moldeed depth 7.8 meters, full-load draft 5.5 meters, full ship is adjustable year, 1600 sides per hour.
, a 18000t level barge with deck cargo ship: overall length 125 meters (efficient loading length 110 meters), effectively wide 35 meters, moldeed depth 7.5 meters, full-load draft 5.3 meters, adjustable year, 2000 sides per hour.
Three, installation and transportation support
1) overall arrangement
Nominative cargo ship is furnished with 4 groups of transport supports, can hang peace 8 1/4 pre-splicing loads of circle, can meet the construction of on-the-spot 2 lattice nominatives, secondary lattice cargo ship is 4 groups of transport supports, can hang peace 8 full wafers, can meet the construction of on-the-spot 4 groups of secondary lattice.
2) transport support configuration
See Fig. 2, nominative transport 200 is deck bearing goods: on deck 201, haul distance installs four transport supports 300, and each transport support 300 adopts electric welding technique to be connected with ship board 201.Four transport supports are installed 8 1/4 round nominative steel sheet piles (each 1/4 circle heavily about 150t, span 22m, high 23.6 ~ 37.1m not etc., totally eight, maximum gross 1200t), two sides of a ship are symmetrical loading longitudinally.
See Fig. 3, the high 37.2m of each transport support 300, have 6 layers of platform, heavily about 180t, each transport support is directly welded on main deck by 7 root posts, and support and hull are integrated.
Whole transport support adopts column steel truss structure.Each support totally 7 root posts, in the layout of transport support: a root post at center, the both sides of every three one group of symmetrical middle standing pillars in all the other six roots of sensation columns, and three root posts of both sides all by 1/4 round steel sheet pile radian arrange (concentric circles).Transport support establishes 6 layers of platform up and down altogether.Column bottom and ship board are welded to connect, and landing beam and platform truss are all welded to connect with column.Each platform both sides are the Curved beam of support 1/4 round steel sheet pile, and centre is steel pipe truss, establishes steel sheet pile to link up with outside top layer Curved beam.
Each support top layer arc back establish can 90 ° rotate T-shaped hooks, steel sheet pile adopts set square to lift as special boatswain chair, after first steel sheet pile lifting, set square is directly shelved on the T-shaped hook of arc back, and is plugged benchmark when T-shaped pin splices as bottom sheet steel sheet pile.Lift by crane next root steel sheet pile, insert in the snap close of last sheet pile, and be suspended on transport support top curve beam hook, complete the assembled of nominative sheet pile 1/4 cylinder successively, obtain corresponding 1/4 round steel sheet pile assembly tab.
3) bracket stable
The support formed thus has extraordinary bearing capacity and stability, can beam wind 8 grades, when wind speed v=20.7m/s, wind-force calculating is carried out according to BS6399-2, the nominative superelevation transport structure intensity of cargo ship under 5 °, 10 °, 15 ° three kinds of angled state, rigidity and stable can both to meet the demands, namely cargo ship frock all meets bearing capacity and stability requirement 5 °, 10 °, 15 ° time.
4) mooring stability
Two in this example different barge with deck carry out B operating mode Calculation of Stability, check the stability of loading tooling bracket and the transport of 1/4 cylinder steel sheet pile, carry out according to China's navigation seagoing vessel Legal Inspection rule (2011) to the related request of non-self seagoing barge; Strength check part is carried out according to the related request of CCS " Rules and Regulations for the Construction and Classification of Sea Going Steel Ships " (2006), and its result of calculation all meets the demands.
5) steel sheet pile moulding bed transport system is solid
According to CCS 1997 " marine towage guides " and marine board of the People's Republic of China (PRC) 2011 " Home Trade Vessel Legal Inspection technical regulation ", the requirement of Coastal Navigation Areas is calculated.Ship ' hang down swing, active force that pitching and rolling produce, determine to be solid mode and rod member size accordingly, and meet code requirement.This engineering adopts 7 root posts of support to be directly welded on main deck, overcomes support level sliding force with the shearing of weld seam, and with weld seam is admittedly make every effort to overcome to take the horizontal turning torque of support, as calculated, all meets code requirement.
Four, cargo ship is directly as a sheet pile assembled place part, and it is assembled in advance to carry out 1/4 cylinder steel sheet pile
This example utilizes cargo ship, directly as 1/4 assembled place, cylinder steel sheet pile waters, decreases the link that building block falls to refuting, strengthens the stability in boats and ships carried and transported process, and save assembled place land-based area area.Both provided cost savings, turn increased Transport Safety.
As follows for the preframed process of 1/4 cylinder steel sheet pile:
(1) on cargo ship, carry out support processing, and assert by CCS towage;
(2) cargo ship mooring is in the assembled wharf apron of sheet pile;
(3) lift by crane first steel sheet pile, and be suspended on the Curved beam of cargo ship cradle top;
(4) lift by crane next root steel sheet pile, insert in the snap close of last sheet pile, and be suspended on the Curved beam at transport support top;
(5) lift by crane the steel sheet pile extremely corresponding assembled position obtained according to step 4 successively, complete the assembled of nominative sheet pile 1/4 cylinder, obtain corresponding 1/4 round steel sheet pile assembly tab;
(6) be furnished with fastener every 15m from top to bottom in pre-splicing load both sides, adopt fastening bolt to be connected with transport support by pre-splicing load, guarantee that pre-splicing load can not rock in transit.
See Fig. 4, for guaranteeing firm in transportation of 1/4 cylinder steel sheet pile assembly tab, adopt the method that steel sheet pile " is hung anchor to combine ".When steel sheet pile is assembled, adopts hook to hang on transport support by steel sheet pile, be furnished with T-shaped hook at upper and lower two places of transport support, steel sheet pile, is used for steel sheet pile and transport support to lock in relevant position welding T-slot every 6.The pre-splicing load of steel sheet pile is assembled complete after, be furnished with fastener every 15m from top to bottom in pre-splicing load both sides, adopt fastening bolt pre-splicing load is connected with transport support, guarantee that pre-splicing load can not rock in transit.
In nominative transport, the assembled of assembled or 8 secondary lattice of 8 1/4 round nominative steel sheet piles is completed by such scheme.
Five, cargo ship is hauled
When fully loaded cargo ship drives towards job site:
Towage mode 1: three boat drags 6001 to take turns (or three boats drag 3005) towing (master drags), China and Sweden drag 6 auxiliary formation works and auxiliary towage (tie up and drag), escort, the above maximum height of the water surface is 39.8m, and Breadth Maximum is 35m, and the maximum length of tow of part flight number is 235m.
In which, cargo ship is dumb barge, adopts tugboat to haul as navigating power ship.During haul, adopt main tugboat towing in a usual manner, the special towing cable of main tugboat stern is connected with cargo ship bow bollard; Article one, auxiliary tug is tied up in a usual manner at cargo ship side afterbody and is dragged, and the special towing cable of auxiliary tug bow, stern is tied up on cargo ship bollard, and auxiliary tug has been held concurrently convoy effect.
Towage mode 2: three boat is dragged and 6001 to be taken turns (or three boats drag 3005) and tie up and drag (main drag), China and Sweden drag 6 auxiliary formation works and auxiliary towage (tie up and drag or pushing tow), escort, the above maximum height of the water surface is 39.8m, and Breadth Maximum is 40.5m---48m, and length of tow is 135m.
In which, cargo ship is dumb barge, adopts tugboat to haul as navigating power ship.During haul, adopt a main tugboat to tie up in a usual manner and drag, main tugboat is tied up in a usual manner at cargo ship side afterbody and is dragged, and main tugboat bow, the special towing cable of stern are tied up on cargo ship bollard.Article one, auxiliary tug is tied up in a usual manner at cargo ship opposite side afterbody and is dragged, and the special towing cable of auxiliary tug bow, stern is tied up on cargo ship bollard.
After cargo ship enters relevant waters (as waters of Hong Kong), interchangeablely connect dragged by local one 3600 ZP type high-power tugboats and two 1200 horsepower tugboats auxiliary (job site harbour work boat), it is in place directly to enter construction point.
After the prepackage pack on cargo ship removes, unloaded transport directly rejects prepackage harbour by corresponding tugboat traction sky.
From upper example, scheme employing provided by the invention " cradle integration " technique, bracket stable when guaranteeing to transport.Transport support height 37.2m, has 6 layers of platform, adopts welding procedure and ship board to fix.
Further, cargo ship is directly a part of as the assembled place of sheet pile.Utilize cargo ship, directly as 1/4 assembled place, cylinder steel sheet pile waters, decrease the link that building block falls to refuting, strengthen the stability in boats and ships carried and transported process, and save assembled place land-based area area.Both provided cost savings, turn increased Transport Safety.
Meanwhile, the present invention also adopts the mode of " steel sheet pile is hung anchor and combined " to solve the stable problem of the pre-splicing load of transportation Steel Sheet Pile.Transport support has 6 layers of platform, adopts welding procedure and ship board to fix.When steel sheet pile is assembled, adopts hook to hang on transport support by steel sheet pile, be furnished with T-shaped hook at upper and lower two places of transport support, steel sheet pile, is used for steel sheet pile and transport support to lock in relevant position welding T-slot every 6.The pre-splicing load of steel sheet pile is assembled complete after, be furnished with fastener every 15m from top to bottom in pre-splicing load both sides, adopt fastening bolt pre-splicing load is connected with transport support, guarantee that pre-splicing load can not rock in transit.
Finally, the present invention, when barge with deck transports the pre-building block of multiple superelevation steel sheet pile 1/4 large cylinder, adopts towing to drag the mode of combination to transport with tying up, and nation's tugboat has been held concurrently convoy effect.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. the pre-splicing 1/4 cylinder transportation resources of lattice steel sheet pile large cylinder nominative sheet pile, it is characterized in that, described transportation resources comprises the steps:
(1) on cargo ship, arrange transport support, described support is installed on the deck of cargo ship, and longitudinal symmetry is loaded in two sides of a ship;
(2) utilize steel sheet pile on transport support, complete the assembled of nominative sheet pile 1/4 cylinder, obtain corresponding 1/4 round steel sheet pile assembly tab; When assembled nominative sheet pile 1/4 cylinder, adopt hook to hang on transport support by steel sheet pile, be furnished with T-shaped hook at upper and lower two places of transport support, steel sheet pile, is used for steel sheet pile and transport support to lock in relevant position welding T-slot every 6; The pre-splicing load of steel sheet pile is assembled complete after, be furnished with fastener every 15m from top to bottom in pre-splicing load both sides, adopt fastening bolt pre-splicing load is connected with transport support, guarantee that pre-splicing load can not rock in transit;
(3) towboat is utilized to be mounted with the cargo ship haul of 1/4 round steel sheet pile assembly tab to job site.
2. the pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile according to claim 1, it is characterized in that, described cargo ship is deck bearing goods: four transport supports are installed on deck, each heavy about 180t, gross weight 720t, each transport support has 6 layers of platform, adopts electric welding technique to be connected with ship board.
3. the pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile according to claim 1 and 2, it is characterized in that, described transport support adopts column steel truss structure, each support comprises seven root posts altogether, layout is: a root post is at center, the both sides of every three one group of symmetrical middle standing pillars in all the other six roots of sensation columns, and three root posts of both sides are all arranged by the radian of 1/4 round steel sheet pile; Transport support establishes 6 layers of platform up and down altogether, column bottom and ship board are welded to connect, and landing beam and platform truss are all welded to connect with column, and each platform both sides are the Curved beam of support 1/4 round steel sheet pile, centre is steel pipe truss, establishes steel sheet pile to link up with outside top layer Curved beam.
4. the pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile according to claim 1, it is characterized in that, the concrete assembled step of nominative sheet pile 1/4 cylinder is as follows:
(11) lift by crane first steel sheet pile, and be suspended on the Curved beam of cargo ship cradle top;
(12) lift by crane next root steel sheet pile, insert in the snap close of last sheet pile, and be suspended on the Curved beam at transport support top;
(13) according to step (12) successively hoisting steel sheet pile extremely corresponding assembled position, complete the assembled of nominative sheet pile 1/4 cylinder, obtain corresponding 1/4 round steel sheet pile assembly tab;
(14) be furnished with fastener every 15m from top to bottom in pre-splicing load both sides, adopt fastening bolt to be connected with transport support by pre-splicing load, guarantee that pre-splicing load can not rock in transit.
5. the pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile according to claim 1, is characterized in that, when described step (3) carries out haul cargo ship, adopts towing and ties up and drag the mode of combination to transport.
6. the pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile according to claim 5, it is characterized in that, described cargo ship is dumb barge, tugboat is adopted to haul as navigating power ship, during haul, adopt a main tugboat in a usual manner towing or tie up drag, main tugboat is connected with adopting special towing cable between cargo ship; Article one, auxiliary tug is tied up in a usual manner at cargo ship side afterbody and is dragged, and the special towing cable of auxiliary tug bow, stern is tied up on cargo ship bollard, and auxiliary tug has been held concurrently convoy effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147656.1A CN103233452B (en) | 2013-04-25 | 2013-04-25 | The pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147656.1A CN103233452B (en) | 2013-04-25 | 2013-04-25 | The pre-splicing 1/4 cylinder transportation resources of a kind of lattice steel sheet pile large cylinder nominative sheet pile |
Publications (2)
| Publication Number | Publication Date |
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| CN103233452A CN103233452A (en) | 2013-08-07 |
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| CN104047289B (en) * | 2014-06-25 | 2017-05-24 | 中交第三航务工程局有限公司 | Pile position disperse splicing and single hammer disperse hitting technology for lattice type steel sheet pile large cylinder auxiliary lattice |
| CN104047282B (en) * | 2014-06-25 | 2017-04-05 | 中交第三航务工程局有限公司 | A kind of lattice steel sheet pile large cylinder pair lattice land-based area is pre-splicing, the construction technology of free combat waterborne |
| CN104088279B (en) * | 2014-06-25 | 2017-05-03 | 中交第三航务工程局有限公司 | Construction process of site pre-assembling and integrated driving of large cylindrical secondary cell of cellular steel sheet pile |
| CN104088280A (en) * | 2014-06-25 | 2014-10-08 | 中交第三航务工程局有限公司 | Combined construction process of pre-assembling integrated driving and splicing and separable driving of secondary cell of cellular steel sheet pile large cylinder |
| CN104047276B (en) * | 2014-06-25 | 2016-04-27 | 中交第三航务工程局有限公司 | The on-the-spot joining method of a kind of lattice steel sheet pile large cylinder nominative sheet pile 1/4 cylinder |
| CN104060592B (en) * | 2014-06-25 | 2017-02-15 | 中交第三航务工程局有限公司 | Method for 1/4 land territory preassembling and overwater dispersion of large cylinder main grids of cellular steel sheet piles |
| CN104088273B (en) * | 2014-06-25 | 2016-01-27 | 中交第三航务工程局有限公司 | A kind of lattice steel sheet pile nominative 1/4 cylinder land-based area preassembling method |
| CN104278702B (en) * | 2014-09-28 | 2015-12-30 | 中国船舶重工集团公司第七一九研究所 | A kind of ocean platform deformation tilt estimation method |
| CN107323619B (en) * | 2017-05-24 | 2019-01-18 | 中国建筑第六工程局有限公司 | A kind of Large-diameter Steel cylinder sea land conveyer method |
| CN114197439B (en) * | 2021-12-06 | 2023-06-27 | 江苏乐筑建设工程有限公司 | Construction method and construction equipment for high-current deepwater underwater gravel pile |
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