CN106320366B - The construction method on Ocean Tidal Current Energy generating set basis - Google Patents
The construction method on Ocean Tidal Current Energy generating set basis Download PDFInfo
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- CN106320366B CN106320366B CN201610845793.6A CN201610845793A CN106320366B CN 106320366 B CN106320366 B CN 106320366B CN 201610845793 A CN201610845793 A CN 201610845793A CN 106320366 B CN106320366 B CN 106320366B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention relates to a kind of construction methods on Ocean Tidal Current Energy generating set basis, the generating set is using integrated assembly platform steel truss basis, by the way that the multiple support stakes being arranged in advance are mounted in the assembly platform, the assembly platform is fixed temporarily;Then it carries out Pile to the assembly platform assembly platform is fixed on the batholith of seabed, the problem of so as to avoid the assembly platform maintenance increased costs, and what can be consolidated is fixed on the assembly platform on the seabed batholith for a long time.
Description
Technical field
The technical field that the present invention relates to the use of Ocean Tidal Current Energy power generation, refers in particular to a kind of Ocean Tidal Current Energy generating set
The construction method on basis.
Background technique
Since the available energy that ocean is contained greatly exceeds the summation of current global energy requirements, and marine tidal-current energy has
The features such as regularity, predictability, power density be big, energy stabilization, is generated electricity using marine tidal-current energy by more and more national
Favor, China's marine tidal-current energy reserves are abundant, and the development and utilization of marine tidal-current energy become the inevitable choice of China's reply Global climate change.
For large ocean marine tidal-current energy generator group project, the generating set basis is using integrated assembly platform steel truss base
Plinth.Ocean Tidal Current Energy is utilized to generate electricity in order to realize, it usually needs to transport assembly platform to marine designated position.Due to construction
The off-lying sea Qu Weiwei isolated island, can only be using ship as the vehicles, and climate condition of constructing is affected;In addition, periphery island are more,
Water flow causes very big influence compared with disorder, on water craft operation, therefore difficulty of construction is larger.
The weight of the usual assembly platform is larger, and according to mounting process, assembly platform need to lift by crane twice altogether, be for the first time
Fall and refute lifting, using crane ship by the assembly platform by the side of being hoisted to is refuted on the bank on;Second is installation lifting, utilizes lifting
The assembly platform is refuted by side and is hoisted to marine setting position point by ship.The assembly platform is transported to marine setting position
After point, needing for the assembly platform to be fixed on setting position, tradition fixes the assembly platform by anchor ingot and hawser, but
It is since the natural causes such as stormy waves, trend influence, the mode of this fixation assembly platform needs to be monitored assembly platform, often
Day observational record is to prevent hawser to be broken, and since fixed form is unstable, needs to handle in time once problem occurs, so not
Only waste of manpower, material resources, and increase maintenance cost.
Summary of the invention
For this purpose, technical problem to be solved by the present invention lies in overcome assembly stage+module described in the prior art in seabed
Unstable problem is afterwards to provide a kind of Ocean Tidal Current Energy generating set base for being easy for the assembly platform to be fixed on seabed
The construction method of plinth.
In order to solve the above technical problems, the construction method on the Ocean Tidal Current Energy generating set basis of the invention, described
For generating set using integrated assembly platform steel truss basis, its step are as follows: step S1: being put down the assembly using crane ship
Platform is refuted by being transported on the bank to side, and the side for being loaded with the assembly platform is refuted and is delivered near installation site;Step S2: institute is utilized
It states crane ship and lifts by crane the assembly platform, it is anchor point that the crane ship for being loaded with the assembly platform, which is hauled to throwing, completes crane ship
Anchor position is laid, and the crane ship fair current stranded cable for carrying the assembly platform to installation point is installed the assembly platform;Step S3: will
The multiple support stakes being arranged in advance are mounted in the assembly platform, are fixed temporarily to the assembly platform;Step S4: right
The assembly platform carries out Pile and the assembly platform is fixed on for a long time on the batholith of seabed.
In one embodiment of the invention, step S0 is additionally provided with before the step S1: will be loaded with the crane ship of anchor ingot
It is dragged to anchor ingot installation point, crane ship anchor position is completed and lays, by the crane ship by anchor ingot by design position decentralization installation to sea
Bottom.
In one embodiment of the invention, in the step S1, the assembly platform is transported when refuting upper to the side, will
In the casing of support stake insertion institute's assembly platform.
In one embodiment of the invention, in the step S2, the method that the crane ship anchor position is laid is to pass through anchor
Ingot and the fixed crane ship of anchor hawser, and it is anchor point that the anchor hawser, which is transported by anchor boat to each throw,.
In one embodiment of the invention, in the step S3, multiple support stakes are mounted on the assembly platform
Method are as follows: transfer support stake by row according to the framed bent direction of the assembly platform, and the assembly platform is inserted into the support stake
In casing, the support stake is made to be inserted into seabed under Gravitative Loads.
In one embodiment of the invention, seabed, the upper end of the support stake and institute are inserted into the lower end of the support stake
It states assembly platform to be connected by plug connector, is located at the assembly platform in the upper end of the support stake, it is flat to jack up the assembly
Platform and the height for adjusting the assembly platform vertical direction make the assembly platform tend to be horizontal.
In one embodiment of the invention, it is flat to jack up assembly to adjust the method for the assembly platform vertical direction height
Backing plate, which is filled in, in the position of the plug connector after platform carries out support pad to make the assembly platform tend to be horizontal.
In one embodiment of the invention, the method for Pile being carried out to the assembly platform in the step S4
Are as follows: firstly, being inserted into interior casing out of the assembly platform casing and stretching to the seabed batholith, and utilize the interior casing shape
It is embedded in the seabed batholith at sleeve drilling tool;Then, the steel reinforcement cage manufactured in advance is inserted into the assembly platform casing pipe, is made
The steel reinforcement cage is sheathed in the interior casing, embedding petrosal foramen bottom of going directly, and placing concrete is in Xiang Suoshu steel reinforcement cage to form
Embedded rock pile.
In one embodiment of the invention, the method for forming sleeve drilling tool using the interior casing are as follows: in the interior shield
The one circle hard dentation alloy block of bottom welding of cylinder forms drill bit;The interior casing is connect with drill steel using snap-fitting,
And ring flange is set at the top of the drill steel;Drilling machine is finally bored disk to connect to form sleeve drilling tool with the ring flange.
In one embodiment of the invention, it is inserted into interior casing in the casing of the assembly platform and stretches to the seabed rock
Before base, the interim embedding rock platform of the assembly putting up platform is utilized.
The above technical solution of the present invention has the following advantages over the prior art:
The construction method on Ocean Tidal Current Energy generating set basis of the present invention pacifies the multiple support stakes being arranged in advance
In the assembly platform, the assembly platform is fixed temporarily, is fixed temporarily by described, is conducive to described total
Construction again is carried out at platform to be fixed on seabed designated position for a long time;Then Pile is carried out to the assembly platform
The assembly platform is fixed on the batholith of seabed, causes maintenance cost to increase so as to avoid being monitored to the assembly platform
The problem of adding, and what can be consolidated is fixed on the assembly platform on the seabed batholith for a long time.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the construction method flow chart on Ocean Tidal Current Energy generating set basis of the present invention;
Fig. 2 is embedding rock drilling rod schematic diagram of the present invention;
Fig. 3 is the schematic diagram that the present invention installs the stake core pipe.
Specific embodiment
It please refers to shown in Fig. 1, the present embodiment provides a kind of construction method on Ocean Tidal Current Energy generating set basis, steps
It is as follows: step S1: the assembly platform being refuted by being transported on the bank to side using crane ship, the side of the assembly platform will be loaded with
It refutes and is delivered near installation site;Step S2: the assembly platform is lifted by crane using the crane ship, the assembly platform will be loaded with
Crane ship to haul to throwing be anchor point, complete crane ship anchor position and lay, the crane ship fair current stranded cable of the assembly platform will be carried
The assembly platform is installed to installation point;Step S3: the multiple support stakes being arranged in advance are mounted in the assembly platform, right
The assembly platform is temporarily positioned;Step S4: Pile is carried out to the assembly platform and consolidates the assembly platform
It is scheduled on the batholith of seabed.
The present embodiment utilizes the construction method on the Ocean Tidal Current Energy generating set basis, and its step are as follows: the step
In S1, the assembly platform is refuted by being transported on the bank to side using the crane ship, the side for being loaded with the assembly platform is refuted
It is delivered near installation site, is conducive to assembly platform lifting being installed to designated position;In the step S2, institute is utilized
It states crane ship and lifts by crane the assembly platform, it is anchor point that the crane ship for being loaded with the assembly platform, which is hauled to throwing, completes crane ship
Anchor position is laid, and will be carried the crane ship fair current stranded cable of the assembly platform to installation point and is installed the assembly platform, is conducive to pair
The assembly platform carries out location and installation;In the step S3, the multiple support stakes being arranged in advance are mounted on the assembly and are put down
In platform, the assembly platform is fixed temporarily, is fixed temporarily by described, is conducive to carry out again the assembly platform
Construction so that be fixed on seabed designated position for a long time;In the step S4, Pile is carried out by institute to the assembly platform
It states assembly platform to be fixed on the batholith of seabed, causes maintenance cost increased so as to avoid being monitored to the assembly platform
Problem, and what can be consolidated is fixed on the assembly platform on the seabed batholith for a long time.
Step S0 is additionally provided with before the step S1: the crane ship for being loaded with anchor ingot being dragged to anchor ingot installation point, completes lifting
Ship anchor position is laid, by the crane ship by anchor ingot by design position decentralization installation to seabed, prevent the crane ship wind-engaging and
The influence of trend is drifted about everywhere, is conducive to fix the crane ship, when preventing crane ship from lifting by crane the assembly platform, the assembly
The shaking of platform.In the step S0, the method that the crane ship anchor position is laid is by anchor ingot and the fixed lifting of anchor hawser
Ship, and it is anchor point that the anchor hawser, which is transported by anchor boat to each throw,.Specifically, it is flat that crane ship slings assembly under tugboat auxiliary
Platform, crane ship adjust accommodation fair current and stay position.After all anchors of crane ship rise, control tugboat presses towing speed, starts traction boat
Row, in the steady pool of tugboat assistance, after throwing lower rear eight word anchors, completes the frenulum of all anchor hawsers after reaching predetermined cast anchor a little
Cast work.
In the step S1, the assembly platform is hoisted to the side when refuting, and support stake insertion institute's assembly is put down
In the casing of platform, what the casing of the assembly platform was fixed on that the side refutes is shelved on pedestal, so as to prevent the assembly
The shaking that platform is refuted in the side avoids the problem that the assembly platform run-off the straight.
In the step S2, the method that the crane ship anchor position is laid is also by anchor ingot and the fixed lifting of anchor hawser
Ship, and it is anchor point that the anchor hawser, which is transported by anchor boat to each throw,.The crane ship to installation site point fair current stranded cable into point from
And it reaches near installation site point.After the crane ship reaches installation point nearby, longitudinal axis Primary Location is carried out using total station,
Adjustment accommodation keeps the assembly platform longitudinal axis consistent with longitudinally mounted axis is designed;Then crane ship tightens all anchor hawsers, protects
Hold hull torsional angle and orientation.After the completion of Primary Location, the assembly platform is slowly transferred to designed elevation, surveyor utilizes fixed
Position stake is accurately positioned, and axis or so adjusts accommodation along longitudinal direction, and then adjusts assembly platform to installation site is designed, and completes institute
State the installation of assembly platform.Specifically, platform is slowly transferred to designed elevation, crane ship transfers assembly platform to its top surface
Stop decentralization when elevation is Installation Elevation.Worker, surveyor carry the Work tools such as electric welding machine, oxygen-acetylene and multiply tender arrival always
At the 1st framed bent of platform, assembly deck roof is reached along the vertical ladder for being located at the 1st framed bent, Work tool is removed to table top, and benefit
The Work tools such as oxygen-acetylene bottle are fixed temporarily with limit steel bar railing.Surveyor utilizes the RTK being arranged on 2G and 6G position
(carrier phase difference technology) is accurately positioned, and axis or so adjusts accommodation along longitudinal direction, so that assembly platform plane position accords with
Close design requirement.After in place, crane ship anchor hawser is tightened again, keeps hull torsional angle and orientation;Assembly platform is transferred again to setting
Count elevation.If for deviation more than tolerance requirement, finely tune accommodation keeps its satisfaction design flat to assembly platform in decentralization process
The requirement of face position tolerance.
Before the crane ship lifts by crane the assembly platform, need to carry out assembly platform lifting preparation in advance, including hang
Suspender, suspender and the connection of table top lifting lug are played, checks whether lifting center is consistent, lifter is hung to hanger and transfers cucurbit
Upper, the mating enlightening Ni Mashengquan of lifter is hung to structural beams by corresponding stake position etc..Because suspender and the assembly table top pass through
It will be stayed overnight after the connection of non junction fake, an observer and three hoisting operations operators on duty are set on the crane ship, according to
Tidal level fluctuation situation adjusts lift hook position in time, it is ensured that non junction fake keeps relaxed state, while also ensuring that hanger will not touch
To the equipment such as table top hoist engine and generator.Before formal lifting using crane ship port and starboard deck level coaster hawser as
Cable wind rope connects with assembly mesa base and keeps two cable wind rope tensioning degrees consistent.It checks and ensures assembly table top
Construction equipment all empties, assembly mesa base and pedestal pad all cut off, are wireless between assembly platform and deck
Rope and cable connection check whether suspension hook longitudinal center, hanger longitudinal center and assembly platform longitudinal center are consistent, check lifting
Whether ship longitudinal centre line and assembly platform center of gravity line are consistent, and determining can be by under lifting commander after lifting state is met the requirements
Enable lifting.
When the crane ship lifts by crane the assembly platform, controls the lifting ship's tackle and above propose the speed of service, will slowly put down
Pedestal is left in platform lifting, then static load (test) a period of time, checks whether each suspension hook load is stable, it is total to check during static load
At the steady situation of platform, determine crane ship (mainly fore) draft, angle variable quantity of the crane arm before and after lifting
Deng.After determining that lifting state meets design requirement and lifting imagination, refute assembly platform removal side outside range.
In the step S3, method that the multiple support stakes being arranged in advance are mounted on the assembly platform are as follows: described
Stake top portion is supported to be symmetrical arranged limit steel plate, after ensuring that the support stake is inserted into the assembly platform casing pipe, pile top is not stretched
Casing base opening out.Specifically, support stake is transferred by row according to the framed bent direction of the assembly platform, and institute is inserted into the support stake
It states in assembly platform casing pipe, decentralization mode is to cut off that stake bottom is supported to limit steel plate (stake top limit retains), makes to support stake certainly
The lower insertion seabed of recast.It hurts sb.'s feelings to prevent limit steel plate from popping up when gas cutting is cut off, bottom is limited into steel plate and institute in advance
It states assembly platform outer tube top opening to be welded and fixed, the steel plate remains in outer tube top opening after cutting off limit steel plate.
The upper end of the support stake is connected with the assembly platform by plug connector, is located at the assembly platform described
Support the upper end of stake.Specifically, the upper end of the support stake offers through-hole, the jack pair of the through-hole and the assembly platform
It answers, the through-hole is connected with the jack by the plug connector, and so that the upper end of the support stake is connected with the assembly platform,
Realize the upper end that the assembly platform is fixed on to the support stake.Through-hole (inner hole) position of the support stake corresponds to described total
At the preparatory jack of platform steel sleeve (exit orifice) position, it should be noted that: inner hole cutting ginseng should be cut out when opening inner hole against outer hole edge
Sideline is examined, then carries out out inner hole according to design size.The plug connector (can be selected and shelve rail) is flat by the assembly
The jack of platform is inserted into the through-hole of the support stake, and assembly platform is fixed in the support stake to realize.
It is described total after the plug connector insertion since the jack of the through-hole and the assembly platform of the support stake is larger
Still there are problems that shaking in the sea at platform, it is therefore desirable to further fix the assembly platform.Specifically, described in jack-up
Assembly platform and the height for adjusting the assembly platform vertical direction make the assembly platform tend to be horizontal.Such as in each branch
Lifter is arranged in the top for supportting stake, and the lifter is fixed on support stake top capping steel plate and spot welding is fixed, by described
Lifter can get up the assembly deck roof, and the height for then adjusting the assembly platform vertical direction keeps the assembly flat
Platform tends to be horizontal, and control of gradient is within setting range.In addition, after being promoted the assembly platform due to the lifter,
The method for making occur gap between inner hole and exit orifice, therefore adjusting the assembly platform vertical direction height are as follows: jack up the assembly
Backing plate progress support pad is filled in the position of the plug connector after platform and is welded and fixed that the assembly platform is made to tend to be horizontal,
It realizes and achievees the purpose that the adjustment assembly podium level by adjusting the lifter, finally make the lifter and shelve steel
Rail has the function that synchronous support assembly platform, solves the problems, such as that assembly platform is easy to happen inclination.
In the step S4, to the method for assembly platform progress Pile are as follows: as shown in figure 3, firstly, from institute
It states casing 30 in being inserted into the casing of assembly platform 10 and stretches to the seabed batholith 20, and form set using the interior casing 30
Cylinder drilling tool is embedded in the seabed batholith 20, so that forming channel by the interior casing 30 connects the assembly platform 10 and sea
Bed rock base 20 is conducive to for the assembly platform 10 being fixed on the seabed batholith 20;Then, the steel reinforcement cage that will be manufactured in advance
It is mounted in 10 casing of assembly platform, is sheathed on the steel reinforcement cage in the interior casing 30, embedding petrosal foramen bottom of going directly, to
Placing concrete keeps the assembly platform 10 affixed integral with armored concrete in the steel reinforcement cage to form embedded rock pile,
It is not only advantageous to keep the stabilization of the assembly platform 10, and due to being filled with concrete in the interior casing 30, is conducive to
Firm is fixed on the assembly platform 10 on the seabed batholith 20, to save man power and material, reduces maintenance cost.
It is arranged before the interior casing 30, interim embedding rock platform is set up using the assembly platform 10, due to the assembly
The gap of platform is larger, is unfavorable for equipment or construction personnel and carries out operation directly over, therefore by setting up the embedding rock
Platform can satisfy the requirement of construction.The erection method of the embedding rock platform is as follows: two ends of fashioned iron are put down with the assembly
Rod piece is welded and fixed at the top of platform, and welds along the fashioned iron lateral arrangement band steel, the band steel and each fashioned iron top surface, by the type
Steel links into an integrated entity;Glug prismatic steel net plate is finally completely spread on the fashioned iron, and is fixed with the fashioned iron spot welding, and embedding rock is formed
Platform.Crane walking passageway is also set up between the embedding rock platform, and channel is set up using fashioned iron and thick steel plate.
After the completion of the embedding rock putting up platform, by the embedding rock platform by the interior casing 30 from the assembly platform 10
Casing insertion and stretch to the seabed batholith 20, realize the connection of the assembly platform 10 and seabed batholith 20.
The method for forming sleeve drilling tool using the interior casing are as follows: as shown in Fig. 2, being welded in the bottom of the interior casing 30
One circle hard dentation alloy block forms drill bit;The interior casing 30 is connect with drill steel 31 using snap-fitting, and described
Ring flange 32 is set at the top of drill steel 31;Drilling machine is finally bored disk to connect to form sleeve drilling tool with the ring flange 32.The present invention
Forming sleeve drilling tool by the interior casing 30, not only method is simple and novel and easy to operate, is easy in the seabed batholith
Embedding rock pore-forming on 20 is conducive to connect the assembly platform 10 and seabed batholith 20 by the interior casing 30.
In the present embodiment, the drilling machine uses all-hydraulic slewing drilling machine;The embedding rock selects button rotary drill at drill
Head, drilling system include button rock bit, guiding, virtual calibrator for instrument transformer, counterweight, central tube etc..The drilling machine is transported to institute by crane ship
It states at assembly platform, is assembled with crawler crane and in place.It after the drilling machine is in place, is checked through measurement, in the drilling machine pore-forming
The stake position center of the heart and the embedded rock pile coincides, to be conducive to the steady of drilling process.The drilling machine platform is in level
State, pedestal is steadily secured, and displacement must not be generated in drilling process, and after the drilling machine is in place, drilling machine keeps vertical.
When forming the sleeve drilling tool insertion seabed batholith 20 using the interior casing 30, embedding rock initial surface is first confirmd that
Position, since geological condition is more special, exposed rock formation surface is without severely-weathered layer, and the determination of embedding rock initial surface is in principle with actual measurement
Scar absolute altitude determines in hole, when necessary according to rock slag specimen, can be determined with management;Then borehole bottom location is confirmed, by constructor
Member carries out in-site measurement, determines socket length and bottom hole absolute altitude according to embedding rock initial surface and hole termination depth.
In the present embodiment, the method for placing concrete is that conduit is arranged in the steel reinforcement cage in Xiang Suoshu steel reinforcement cage, is led to
The conduit is crossed from the bottom of the steel reinforcement cage to top placing concrete, specifically, the conduit is to the bottom of the steel reinforcement cage
When portion's placing concrete, concrete is full of by the lower end that the interior casing 30 forms channel, it is described mixed with the accumulation of concrete
Solidifying soil gradually fills closely knit formation embedded rock pile from the bottom of the steel reinforcement cage to top.
The steel reinforcement cage need to manufacture in advance, and specifically, the steel reinforcement cage first carries out merogenesis production processing on pedestal, utilize
Sleeve connection.It using round concrete pad as protective layer cushion block, is fixed on steel reinforcement cage, to control the net protective layer of main reinforcement.
After the completion of manufacture, steel reinforcement cage is delivered to by the assembly platform 10 by crane barge cargo ship, is lifted to by crawler crane 21 described
On embedding rock platform 20, then install to 10 casing of assembly platform.
The fabrication and installation of the steel reinforcement cage should be noted: fabrication of reinforcing cage should set placenta, and main reinforcement reinforcing bar answers prior straightening;Pipe nipple
Support and fixed device should be set on dollie, are prevented from turning over and are fallen deformation;Steel reinforcement cage made up joint mode executes design and specification
It is required that and it is ensured that whole steel reinforcement cage after forming keeps vertical, meets design requirement;Steel reinforcement cage splicing meet same section by
The length quantity and dislocation size of power splice are executed by specification regulation, design drawing requirement.
Into the steel reinforcement cage after placing concrete, when the filling concrete to designed elevation, by the steel reinforcement cage
Stake core pipe be inserted into along the concrete along the steel reinforcement cage inner wall, enhance embedded rock pile shearing resistance effect, thus even if the assembly
Platform 10 is fixed on for a long time on seabed batholith 20.
Refer to that the straight stake of embedding rock formed to the filling concrete is more than institute when the filling concrete to designed elevation
When stating 41 top surface of core pipe, stake core pipe 41 is inserted into along not pre-hardening concrete along the steel reinforcement cage inner wall.By the steel reinforcement cage
The method of being inserted into the concrete along the steel reinforcement cage inner wall of stake core pipe 41 are as follows: as shown in figure 3, for lifting by crane the stake core pipe
41 crawler crane 21 connects Pile feeder 23 by vibration hammer 22, and the 23 bottom card slot 230 of Pile feeder blocks the stake core pipe 41
It is suitable for reading;Start the vibration hammer 22, the stake core pipe 41 is sink to designed elevation;The Pile feeder 23 is above mentioned, institute is disengaged it from
A core pipe 41 is stated, until extracting concrete surface.During above mentioning the Pile feeder 23, if there is difficulty is above proposed, then in vibration
It pulls out, until extracting.In addition, the crawler crane 21 lifts by crane the stake core pipe 41 by wirerope, along the steel reinforcement cage inner wall
When stake core pipe 41 is inserted into concrete, 41 top surface of stake core pipe need to be higher than the concrete surface, if the stake core pipe 41
Continue to sink under Gravitative Loads, is then fixed temporarily stake core pipe 41 using drilling machine.
To sum up, technical solution of the present invention has the advantage that
1. the construction method on Ocean Tidal Current Energy generating set basis of the present invention, in the step S1, described is utilized
Weight ship by the assembly platform by the side of being hoisted to is refuted on the bank on, the side for being loaded with the assembly platform refuted to be delivered to installation site attached
Closely, be conducive to the assembly platform handling being installed to designated position;In the step S2, using described in crane ship lifting
Assembly platform, it is anchor point that the crane ship for being loaded with the assembly platform, which is hauled to throwing, completes crane ship anchor position and lays, by carrying
Crane ship fair current stranded cable to the installation point for stating assembly platform installs the assembly platform, is conducive to determine the assembly platform
Position installation;In the step S3, the multiple support stakes being arranged in advance are mounted in the assembly platform, to the assembly platform
It is fixed temporarily, is fixed temporarily by described, be conducive to carry out the assembly platform construction again to be fixed on for a long time
Seabed designated position;In the step S4, Pile is carried out to the assembly platform, the assembly platform is fixed on sea
On bed rock base, thus the problem of reducing the assembly platform maintenance increased costs, and can consolidate the assembly platform is long
Phase is fixed on the seabed batholith.
2. the method that the present invention carries out Pile to the assembly platform are as follows: firstly, from the set of the assembly platform
It is inserted into interior casing in pipe and stretches to the seabed batholith, and forms sleeve drilling tool using the interior casing and is embedded in the seabed batholith
In, so that forming channel by the interior casing connects the assembly platform and seabed batholith, be conducive to the assembly platform
It is fixed on the seabed batholith;Then, the steel reinforcement cage manufactured in advance is mounted in the assembly platform casing pipe, makes the steel
Muscle cage is sheathed in the interior casing, embedding petrosal foramen bottom of going directly, in Xiang Suoshu steel reinforcement cage placing concrete to forming embedded rock pile,
Keep the assembly platform affixed integral with armored concrete, is not only advantageous to keep the stabilization of the assembly platform, Er Qieyou
In being filled with concrete in the interior casing, be conducive to it is firm the assembly platform is fixed on the seabed batholith, from
And man power and material is saved, reduce maintenance cost.
Obviously, the above embodiments are merely examples for clarifying the description, does not limit the embodiments.For
For those of ordinary skill in the art, other different form variations can also be made on the basis of the above description or are become
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still within the protection scope of the invention.
Claims (8)
1. a kind of construction method on Ocean Tidal Current Energy generating set basis, the generating set is using integrated assembly platform steel truss
Frame basis, its step are as follows:
Step S1: the assembly platform is refuted by being transported on the bank to side using crane ship, the side of the assembly platform will be loaded with
It refutes and is delivered near installation site;
Step S2: the assembly platform is lifted by crane using the crane ship, the crane ship for being loaded with the assembly platform is hauled to throwing
It is anchor point, completes crane ship anchor position and lay, will carries described in the crane ship fair current stranded cable to installation point installation of the assembly platform
Assembly platform;
Step S3: support stake is transferred by row according to the framed bent direction of the assembly platform, and the assembly is inserted into the support stake
In the casing of platform, the support stake is made to be inserted into seabed under Gravitative Loads, the assembly platform is fixed temporarily, wherein
Seabed is inserted into the lower end of the support stake, and the upper end of the support stake offers through-hole, the through-hole and the assembly platform
Jack is corresponding, and the through-hole is connected with the jack by plug connector, makes the upper end for supporting stake and the assembly platform phase
Even, lifter is set on the top of each support stake, the lifter is fixed in the support stake and spot welding is fixed,
The assembly deck roof can be got up by the lifter, then adjust the assembly platform makes in the height of vertical direction
The assembly platform tends to be horizontal;
Step S4: Pile is carried out to the assembly platform, the assembly platform is fixed on for a long time on the batholith of seabed.
2. the construction method on Ocean Tidal Current Energy generating set basis according to claim 1, it is characterised in that: the step
Step S0 is additionally provided with before S1: the crane ship for being loaded with anchor ingot is dragged to anchor ingot installation point, is completed crane ship anchor position and is laid, passes through institute
Crane ship is stated by anchor ingot by design position decentralization installation to seabed.
3. the construction method on Ocean Tidal Current Energy generating set basis according to claim 1, it is characterised in that: the step S1
In, the assembly platform transports when refuting upper to the side, will be in the casing of support stake insertion institute's assembly platform.
4. the construction method on Ocean Tidal Current Energy generating set basis according to claim 1, it is characterised in that: the step S2
In, the method that the crane ship anchor position is laid is the crane ship to be fixed by anchor ingot and anchor hawser, and the anchor hawser is by casting anchor
It is anchor point that ship, which is transported to each throw,.
5. the construction method on Ocean Tidal Current Energy generating set basis according to claim 1, it is characterised in that: adjustment is described total
Method at platform vertical direction height is to fill in backing plate in the position of the plug connector after jacking up the assembly platform to be propped up
Pad is to make the assembly platform tend to be horizontal.
6. the construction method on Ocean Tidal Current Energy generating set basis according to claim 1, it is characterised in that: the step S4
In to the assembly platform carry out Pile method are as follows: firstly, out of the assembly platform casing be inserted into casing
And the seabed batholith is stretched to, and form sleeve drilling tool using the interior casing and be embedded in the seabed batholith;It then, will in advance
The steel reinforcement cage of manufacture is inserted into the casing of the assembly platform, is sheathed on the steel reinforcement cage in the interior casing, and go directly embedding rock
Hole bottom, placing concrete is to form embedded rock pile in Xiang Suoshu steel reinforcement cage.
7. the construction method on Ocean Tidal Current Energy generating set basis according to claim 6, it is characterised in that: in described
The method of casing formation sleeve drilling tool are as follows: one circle hard dentation alloy block of welding forms drill bit in the bottom of the interior casing;It will
The interior casing is connect with drill steel using snap-fitting, and ring flange is arranged at the top of the drill steel;Finally drilling machine is bored
Disk connect to form sleeve drilling tool with the ring flange.
8. the construction method on Ocean Tidal Current Energy generating set basis according to claim 6, it is characterised in that: the assembly is flat
It casing and is stretched to before the seabed batholith in being inserted into the casing of platform, utilizes the interim embedding rock platform of the assembly putting up platform.
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JP4807809B1 (en) * | 2010-11-25 | 2011-11-02 | 株式会社高知丸高 | Pier construction method |
CN103953055A (en) * | 2014-04-21 | 2014-07-30 | 广东明阳风电产业集团有限公司 | Offshore wind power generator set waterborne four-pile foundation |
CN104099917A (en) * | 2014-08-07 | 2014-10-15 | 熊翱 | Multilayer multi-foot frame structure and construction method thereof |
CN104179190A (en) * | 2014-09-05 | 2014-12-03 | 熊翱 | Composite pile foundation for offshore wind power and construction method thereof |
CN204370469U (en) * | 2014-12-24 | 2015-06-03 | 广州华申建设工程管理有限公司 | A kind of drilled pile long leg jacket offshore wind turbine foundation |
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JP4807809B1 (en) * | 2010-11-25 | 2011-11-02 | 株式会社高知丸高 | Pier construction method |
CN103953055A (en) * | 2014-04-21 | 2014-07-30 | 广东明阳风电产业集团有限公司 | Offshore wind power generator set waterborne four-pile foundation |
CN104099917A (en) * | 2014-08-07 | 2014-10-15 | 熊翱 | Multilayer multi-foot frame structure and construction method thereof |
CN104179190A (en) * | 2014-09-05 | 2014-12-03 | 熊翱 | Composite pile foundation for offshore wind power and construction method thereof |
CN204370469U (en) * | 2014-12-24 | 2015-06-03 | 广州华申建设工程管理有限公司 | A kind of drilled pile long leg jacket offshore wind turbine foundation |
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Effective date of registration: 20230906 Address after: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Patentee after: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Patentee after: NINGBO BRANCH, CCCC NO.3 HARBOR ENGINEERING CO.,LTD. Address before: No.462, Yanjiang East Road, Zhenhai District, Ningbo, Zhejiang 315000 Patentee before: NINGBO BRANCH, CCCC NO.3 HARBOR ENGINEERING CO.,LTD. |