CN110144977A - Applied to the Anti-scouring structure and its installation method on single-pile foundation - Google Patents

Applied to the Anti-scouring structure and its installation method on single-pile foundation Download PDF

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Publication number
CN110144977A
CN110144977A CN201910423729.2A CN201910423729A CN110144977A CN 110144977 A CN110144977 A CN 110144977A CN 201910423729 A CN201910423729 A CN 201910423729A CN 110144977 A CN110144977 A CN 110144977A
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CN
China
Prior art keywords
pile foundation
rope
ballast
sea bed
scouring
Prior art date
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.)
Pending
Application number
CN201910423729.2A
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Chinese (zh)
Inventor
王洪庆
范少涛
毕明君
刘东华
刘博�
马兆荣
何小华
卢钦先
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Construction Group Guangdong Electric Power Design Institute Co Ltd
Original Assignee
China Energy Construction Group Guangdong Electric Power Design Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Energy Construction Group Guangdong Electric Power Design Institute Co Ltd filed Critical China Energy Construction Group Guangdong Electric Power Design Institute Co Ltd
Priority to CN201910423729.2A priority Critical patent/CN110144977A/en
Publication of CN110144977A publication Critical patent/CN110144977A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/52Submerged foundations, i.e. submerged in open water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/06Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/30Miscellaneous comprising anchoring details

Abstract

The present invention relates to a kind of Anti-scouring structures and its installation method applied on single-pile foundation.Rope is tensed to connect by interconnecting piece with ballast.Ballast is sunk to and is laid on sea bed, so that at least two ballasts are enclosed set on single-pile foundation peripheral side.Rope will be tensed to be set around on single-pile foundation, and the opposite end for tensing rope is separately fixed on sea bed.It enables to ballast to be effectively pressed on single-pile foundation by tensing rope, avoids occurring gap between single-pile foundation and ballast, lead to local water flow disorder, avoid generating and empty phenomenon, aggravate to wash away.Meanwhile tensing rope and being set around on single-pile foundation, the opposite end for tensing rope is separately fixed on sea bed, and then can also improve the stability that single-pile foundation is arranged on sea bed, further increases the safety of single-pile foundation setting.Single-pile foundation structure can be effectively avoided damage to by the above-mentioned Anti-scouring structure applied on single-pile foundation, and scour protection effect is good.

Description

Applied to the Anti-scouring structure and its installation method on single-pile foundation
Technical field
The present invention relates to offshore wind farm field of engineering technology, more particularly to a kind of protection against erosion applied on single-pile foundation Structure and its installation method.
Background technique
Single-pile foundation is a kind of base form most widely used in offshore wind farm engineering field.Currently, depth of water 25m with Interior wind field, mostly in the form of fixed single-pile foundation based on.But since single-pile foundation stake diameter is excessive, single-pile foundation washes away problem Seriously, on the basis of being not provided with scour protection facility, the serious safety for reducing single-pile foundation.To guarantee single-pile foundation Safety, currently, a kind of Normal practice is exactly jackstone method, but jackstone method scour protection effect is poor.
Summary of the invention
Based on this, it is necessary to which in view of the above-mentioned problems, providing, a kind of scour protection effect is good to be applied on single-pile foundation Anti-scouring structure and its installation method.
A kind of Anti-scouring structure applied on single-pile foundation, comprising:
At least two ballasts, for enclosing the peripheral side for being set to single-pile foundation, and for being layed in sea bed, the ballast Interconnecting piece is formed on part;And
At least two tension ropes, each corresponding at least one tension rope of the ballast, the tension rope are logical It crosses the interconnecting piece to connect with the ballast, the tension rope is for being set around the single-pile foundation, the tension rope The opposite end of rope is respectively used to be fixed on the sea bed.
The above-mentioned Anti-scouring structure applied on single-pile foundation during installation, will tense rope and pass through interconnecting piece and ballast Connection.Ballast is sunk to and is laid on sea bed, so that all ballasts are enclosed set on single-pile foundation peripheral side, and then passes through pressure Holder can effectively cover the sea bed of single-pile foundation peripheral side.Rope will further be tensed to be set around on single-pile foundation, and will be drawn The opposite end of guy tightening is separately fixed on sea bed.It is set around on single-pile foundation due to tensing rope, by pulling tension rope Ballast can effectively be pulled to single-pile foundation, and ballast is adjacent to towards the side of single-pile foundation by the opposite end of rope On single-pile foundation.On the one hand ballast is avoided relative to single-pile foundation activity, so that ballast is effectively laid on sea bed, Effectively improve the stability that ballast covers single-pile foundation peripheral side sea bed.On the other hand, additionally it is possible to avoid single-pile foundation with Occur gap between ballast, avoid result in local water flow disorder, and then avoid generating and empty phenomenon, aggravates to wash away.While by It is set around on single-pile foundation in tensing rope, the opposite end for tensing rope is separately fixed on sea bed, and then can also be improved The stability that single-pile foundation is arranged on sea bed further increases the safety of single-pile foundation setting.It is applied to list by above-mentioned Anti-scouring structure in pile foundation can effectively avoid damage to single-pile foundation structure, and scour protection effect is good.
The interconnecting piece is formed in the ballast towards the surface of the single-pile foundation in one of the embodiments, On, the interconnecting piece can be pressed on the single-pile foundation.
Perforation is formed on the interconnecting piece in one of the embodiments, the tension rope is arranged in the perforation It is interior.
The ballast includes sand quilt in one of the embodiments, and at least two sand can be covered the list The sea bed of pile foundation peripheral side.
The length for tensing rope is the ballast along the single-pile foundation cross section in one of the embodiments, 5 times to 6 times of the maximum length of the extending direction of tangent line.
The tension rope can at least be set around the single-pile foundation one and enclose in one of the embodiments,.
In one of the embodiments, further include anchoring piece, is provided on each opposite end for tensing rope At least one anchoring piece, the anchoring piece is for being fixed on the sea bed.
A kind of installation method applied to the Anti-scouring structure on single-pile foundation, the erosion control applied on single-pile foundation Brush configuration includes at least two ballasts and at least two tension ropes, each corresponding at least one tension rope of the ballast Rope, is formed with interconnecting piece in the ballast, the installation method applied to the Anti-scouring structure on single-pile foundation include with Lower step:
The tension rope is connected by the interconnecting piece with the corresponding ballast;
The ballast is laid on sea bed, so that all ballasts are enclosed set on the single-pile foundation peripheral side;
The tension rope is set around on the single-pile foundation;
The opposite end for tensing rope is separately fixed on the sea bed.
The above-mentioned Anti-scouring structure applied on single-pile foundation during installation, will tense rope and pass through interconnecting piece and ballast Connection.Ballast is laid on sea bed, so that all ballasts are enclosed set on single-pile foundation peripheral side, and then passes through ballast energy The sea bed of enough effectively covering single-pile foundation peripheral sides.Rope will further be tensed to be set around on single-pile foundation, and rope will be tensed Opposite end be separately fixed on sea bed.It is set around on single-pile foundation due to tensing rope, the phase of rope is tensed by pulling To both ends, ballast can effectively be pulled to single-pile foundation, and ballast is adjacent to towards the side of single-pile foundation in single pile On the basis of.On the one hand ballast is avoided relative to single-pile foundation activity, so that ballast is effectively laid on sea bed, is effectively mentioned The stability that high ballast covers single-pile foundation peripheral side sea bed.On the other hand, additionally it is possible to avoid single-pile foundation and ballast Between there is gap, avoid result in local water flow disorder, so avoid generate empty phenomenon, aggravate to wash away.Simultaneously because tensing Rope is set around on single-pile foundation, and the opposite end for tensing rope is separately fixed on sea bed, and then can also improve single pile base The stability that plinth is arranged on sea bed further increases the safety of single-pile foundation setting.It is applied to single-pile foundation by above-mentioned On Anti-scouring structure can effectively avoid damage to single-pile foundation structure, and scour protection effect is good.
The ballast is laid on sea bed in one of the embodiments, so that all ballasts are enclosed and are set to Before the step of single-pile foundation peripheral side further include:
Floatation part is set on the opposite end for tensing rope, floats on the floatation part on sea.
The opposite end for tensing rope is separately fixed at the step on the sea bed in one of the embodiments, Include:
The floatation part on the opposite end for tensing rope is dismantled, makes to set on the opposite end for tensing rope Set anchoring piece;
The anchoring piece is fixed on the sea bed.
Detailed description of the invention
Fig. 1 is the cross-sectional view for the Anti-scouring structure being applied on single-pile foundation in an embodiment;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Fig. 3 is the top view for omitting anchoring piece shown in Fig. 1 applied to the Anti-scouring structure on single-pile foundation;
Fig. 4 is shown in Fig. 1 applied to the main view under one installation condition of Anti-scouring structure on single-pile foundation;
Fig. 5 is shown in Fig. 4 applied to the top view under one installation condition of Anti-scouring structure on single-pile foundation.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Each technical characteristic of embodiment described above can carry out arbitrarily Combination, for simplicity of description, it is not all possible to each technical characteristic in above-described embodiment combination be all described, so And as long as there is no contradiction in the combination of these technical features, it all should be considered as described in this specification.
It please refers to Fig.1 to Fig.3, the Anti-scouring structure 10 being applied on single-pile foundation in an embodiment can at least be kept away Exempt to damage single-pile foundation 20, and makes the erosion control brushing effects of single-pile foundation 20 good.Specifically, applied to the erosion control on single-pile foundation Brush configuration 10 includes that at least two ballasts 100 and at least two tense rope 200.
At least two ballasts 100 are layed on sea bed 30, ballast for enclosing set on the peripheral side of single-pile foundation 20 Interconnecting piece 110 is formed on 100.Each ballast 100 corresponding at least one tenses rope 200, tenses rope 200 and passes through interconnecting piece 110 connect with ballast 100, tense rope 200 for being set around single-pile foundation 20, tense the opposite end point of rope 200 Sea bed 30 Yong Yu be fixed on.
The above-mentioned Anti-scouring structure 10 applied on single-pile foundation during installation, will tense rope 200 and pass through interconnecting piece 110 It is connect with ballast 100.Ballast 100 is sunk to and is laid on sea bed 30, so that all ballasts 100 are enclosed set on single pile base 20 peripheral side of plinth, and then the sea bed 30 of 20 peripheral side of single-pile foundation can effectively be covered by ballast 100.It will further tense Rope 200 is set around on single-pile foundation 20, and the opposite end for tensing rope 200 is separately fixed on sea bed 30.Due to drawing Guy tightening 200 is set around on single-pile foundation 20, and the opposite end of rope 200 is tensed by pulling, can be effective by ballast 100 The side for pulling to single-pile foundation 10, and making ballast 100 towards single-pile foundation 20 is adjacent on single-pile foundation 20.On the one hand it keeps away Exempt from ballast 100 relative to 10 activity of single-pile foundation, so that ballast 100 is effectively laid on sea bed 30, effectively improves pressure The stability that holder 100 covers 20 peripheral side sea bed 30 of single-pile foundation.On the other hand, additionally it is possible to avoid single-pile foundation 20 and pressure There is gap between holder 100, avoid result in local water flow disorder, and then avoid generating and empty phenomenon, aggravates to wash away.While by It is set around on single-pile foundation 20 in tensing rope 200, the opposite end for tensing rope 200 is separately fixed on sea bed 30, in turn The stability that single-pile foundation 20 is arranged on sea bed 30 can also be improved, the safety of the setting of single-pile foundation 20 is further increased. 20 structure of single-pile foundation, and protection against erosion can be effectively avoided damage to by the above-mentioned Anti-scouring structure 10 applied on single-pile foundation Protecting effect is good.
In the present embodiment, ballast 100 is four, and four ballasts 100 are enclosed set on the peripheral side of single-pile foundation 20, into And the sea bed 30 around single-pile foundation 20 is covered.
Specifically, at least two ballasts 100 can mutually splice in the peripheral side of single-pile foundation 20.Wherein, in this reality Apply in example, four ballasts 100 can mutually splice in the peripheral side of single-pile foundation 20, avoid two neighboring ballast 100 it Between there is gap, lead to water flow disorder at this, phenomenon is emptied in generation, aggravates to wash away.
Certainly, in other embodiments, ballast 100 can also be other numbers such as two, three, five, ballast Splicing is in the peripheral side of single-pile foundation 20 between part 100, and then can cover the sea bed 30 of 20 peripheral side of single-pile foundation, effectively Guarantee the stability of the sea bed 30 of 20 peripheral side of single-pile foundation, problem is washed away in reduction.
Further, shape of the ballast 100 towards the shape on the surface of single-pile foundation 20 and the outer wall of single-pile foundation 20 Match, so that ballast 100 is effectively fitted on the outer wall of single-pile foundation 20 towards the surface of single-pile foundation 20, into one Step avoids generating gap between single-pile foundation 20 and ballast 100, influences local water flow, avoids ballast 100 and single-pile foundation 20 junction is emptied, and then avoids aggravating to wash away.
In one embodiment, ballast 100 includes sand quilt, and at least two sand can be covered the sea of 20 peripheral side of single-pile foundation Bed 30.The sea bed 30 that 20 peripheral side of single-pile foundation can be effectively covered by sand avoids sea bed 30 in the drive undershoot of wave stream Brush single-pile foundation 20.
Specifically, sand is provided with multiple separators by interior, and sand is separated into multiple sand pocket structures 130 by separator.Pass through It is divided into multiple sand pocket structures 130, can effectively improve sand quilt fills sand efficiency, improves the uniformity of sand distribution, and can also Enough structures for effectively reinforcing sand quilt.Wherein, close to the outer wall of the shape and single pile structure of the sand pocket structure 130 of single-pile foundation 20 Formation matches, so that the sand pocket structure 130 close to single-pile foundation 20 can be pressed on single-pile foundation 20.
Further, it has been correspondingly formed in sand pocket structure 130 and has filled sand cuff.Sand can be filled by filling sand cuff to sand Sand cuff is filled in closure in bag structure 130, after filling can be completed the production of sand quilt.
Further, sand is above additionally provided with pull ring.Facilitate lifting sand quilt by pull ring, the installation for improving sand quilt is laid with effect Rate.
In one embodiment, interconnecting piece 110 is formed in ballast 100 towards on the surface of single-pile foundation 20,110 energy of interconnecting piece It is enough adjacent on single-pile foundation 20.It is connect, is being pulled with ballast 100 by interconnecting piece 110 in use, rope 200 will be tensed When tensing rope 200, interconnecting piece 110 is enabled to effectively to be fitted on the outer wall of single-pile foundation 20, and then passes through interconnecting piece 110 It pulls ballast 100 to be effectively adjacent on single-pile foundation 20, further effectively avoids going out between ballast 100 and single-pile foundation 20 Existing gap.
Specifically, it is formed with perforation 120 on interconnecting piece 110, tenses rope 200 and is arranged in perforation 120.By in interconnecting piece Perforation 120 is formed on 110 enables to tension rope 200 to be effectively fixed on interconnecting piece 110.
Certainly, in other embodiments, interconnecting piece 110 can also be buckle structure, tense rope 200 and be arranged in interconnecting piece On 110.Or interconnecting piece 110 includes multiple spaced fixed rings, tenses rope 200 and is arranged in fixed ring, as long as energy It is enough effectively to fix or be threaded through on interconnecting piece 110 so that tensing rope 200.
In the present embodiment, interconnecting piece 110 is cuff structure, and cuff structure is formed in sand by the table towards single-pile foundation 20 On face.It can be effectively reduced the processing cost of interconnecting piece 110 by cuff structure, while conveniently wearing and tensing rope 200.
Specifically, cuff structure is arc-shaped cyclic structure.Cuff structure is passed through when tensing rope 200, passes through tension rope Rope 200 is so that cuff structure tenses on single-pile foundation 20.It is arc-shaped by the way that cuff structure to be designed as, it enables to tuck inside the sleeve Mouth structure is effectively bonded single-pile foundation 20, improves ballast 100 and the stability on single-pile foundation 20 is arranged in, while effectively avoiding There is gap between cuff structure and single-pile foundation 20.
Further, sand can not be filled in the bag body for the sand pocket structure 130 being connected with interconnecting piece 110, or is filled few The sand of amount.Pull tense rope 200 when, can conveniently enable sand by towards the part of single-pile foundation 20 and single pile base Plinth 20 fits closely together, further avoids gap occur between ballast 100 and single-pile foundation 20.
In one embodiment, the length for tensing rope 200 is ballast 100 along the extension side of 20 cross section tangent line of single-pile foundation To 5 times to 6 times of maximum length.The length that rope 200 is tensed by setting avoids the opposite end for tensing rope 200 solid After being scheduled on sea bed 30, ballast 100 is driven to sink, influences the stability that ballast 100 covers sea bed 30.
Certainly, in other embodiments, the length for tensing rope 200 can also be greater than ballast 100 along single-pile foundation 20 6 times of the maximum length of the extending direction of cross section tangent line influence the covering of ballast 100 as long as can be avoided and tense rope 200 The stability of sea bed 30.
In one embodiment, the circle of single-pile foundation 200 1 can be at least set around by tensing rope 200.By the way that rope 200 will be tensed It is enclosed at least about single-pile foundation 200 1 is set to, the stability that ballast 100 is adjacent on single-pile foundation 20 can be further increased.
In the present embodiment, it tenses rope 200 and is set around the circle of single-pile foundation 200 1, and tense the opposite end of rope 200 It is arranged in 180 °.Certainly, it tenses rope 200 and is set around the circle of single-pile foundation 200 1, the opposite end for tensing rope 200 can be with In being more than or less than 180 °, as long as ballast 100 can be made to be effectively disposed on single-pile foundation 20 i.e. by tensing rope 200 It can.
In other embodiments, 200 half-turn of single-pile foundation, two circles etc. can also be set around by tensing rope 200, as long as can By tensing rope 200 ballast 100 is stably placed on single-pile foundation 20.
In the present embodiment, tensing rope 200 is nylon rope, and nylon rope intensity is good, and can effectively avoid seawater rotten Erosion.Certainly, in other embodiments, tensing rope 200 can also be the rope structure of the other materials such as wirerope, as long as can Ballast 100 is effectively tensed on single-pile foundation 20.
It further include anchoring piece 300 applied to the Anti-scouring structure 10 on single-pile foundation in one embodiment, each tension rope An at least anchoring piece 300 is provided on 200 opposite end, anchoring piece 300 is for being fixed on sea bed 30.By tensing Anchoring piece 300 is set on the opposite end of rope 200, can facilitate and the opposite end for tensing rope 200 is fixed on sea bed 30 On, the opposite end for improving tension rope 200 is fixed on the efficiency on sea bed 30.
In the present embodiment, anchoring piece 300 is anchor block, and the opposite end for tensing rope 200 is made by the gravity of anchor block It is fixed on sea bed 30.Specifically, anchor block can be steel construction, reinforced concrete structure etc., as long as enabling to tense rope 200 are effectively fixed on sea bed 30.Anchor block can be spherical structure, ship anchor structure etc., as long as enabling to tense rope 200 are effectively fixed on sea bed 30.Further, the weight of anchor block is more than or equal to 0.5t, draws so that anchor block drives Guy tightening 200 is effectively fixed in sea bed 30.
In another embodiment, anchoring piece 300 can also be spud pile.The opposite end for tensing rope 200 is fixed respectively On spud pile, spud pile is hammered into sea bed 30, and then the opposite end for tensing rope 200 is separately fixed on sea bed 30.
Referring to Figure 4 together and Fig. 5, the installation side of the Anti-scouring structure 10 being applied on single-pile foundation in an embodiment Method includes the following steps:
Rope 200 will be tensed to connect by interconnecting piece 110 with corresponding ballast 100.It is arranged by the way that rope 200 will be tensed The just progress of subsequent step above ballast 100.
Specifically, setting floatation part 40 floats on floatation part 40 on sea on the opposite end for tensing rope 200.It is logical Cross floatation part 40 can be avoided tense rope 200 both ends sink to seabed.Subsequent step can be facilitated by floatation part 40 simultaneously Anchoring piece 300 is fixed on to the both ends for tensing rope 200.
In the present embodiment, it is numbered on floatation part 40, it is right by numbering the different ballasts 100 that can effectively avoid confusion The different tension ropes 200 answered, further facilitate the fixation for tensing rope 200.
Further, it is necessary first to make ballast 100.Ballast 100 includes sand quilt, and sand is included multiple be set side by side Sand pocket structure 130 forms sand quilt by connecting multiple sand pocket structures 130.Secondly in ballast 100 towards the table of single-pile foundation 20 Prefabricated interconnecting piece 110 on face, and then tension rope 200 is facilitated to wear.
Ballast 100 is laid on sea bed 30, so that all ballasts 100 are enclosed set on 20 peripheral side of single-pile foundation.? In the present embodiment, the sea bed 30 of 20 peripheral side of single-pile foundation can be effectively covered by the way that at least two ballasts 100 are arranged.
Specifically, after wherein a ballast 100 is laid on sea bed 30, it is laid with another ballast 100, so that another pressure Holder 100 can splice with an adjacent ballast 100 in the peripheral side of single-pile foundation 20, until ballast 100 can be by list Sea bed 30 all covering of 20 peripheral side of pile foundation close to single-pile foundation 20.
Rope 200 will be tensed to be set around on single-pile foundation 20.It is wound around on single-pile foundation 20 by the way that rope 200 will be tensed, It can effectively improve and tense the stability that rope 200 is arranged on single-pile foundation 20.It is convenient to be pressed by pulling tension rope 200 Holder 100 effectively tenses on single-pile foundation 20, avoids gap occur between ballast 100 and single-pile foundation 20.
Specifically, during pulling tension rope 200, underwater camera can be set.Pass through underwater underwater camera The position that head observation ballast 100 and single-pile foundation 20 are arranged, until being fitted in completely between ballast 100 and single-pile foundation 20 Together.
The opposite end for tensing rope 200 is separately fixed on sea bed 30.By the way that the opposite end of rope 200 will be tensed On fixing piece sea bed 30, it can effectively avoid ballast 100 relative to 20 activity of single-pile foundation.
Specifically, disassembly tenses the floatation part 40 on the opposite end of rope 200, makes the opposite end for tensing rope 200 On be respectively provided with anchoring piece 300.Anchoring piece 300 is fixed on sea bed 30.It enables to tense rope 200 by anchoring piece 300 Opposite end be effectively fixed on sea bed 30.
Further, tense using anchor boat the towage of rope 200.It is right successively to tense each ballast 100 After the tension rope 200 answered, connection anchoring element 300.Anchoring piece 300 is thrown on sea bed 30 and is fixed.At this point, tension rope Rope 200, which can be pressed in other ballasts 100, further increases the stability that ballast 100 is laid on sea bed 30.
The above-mentioned Anti-scouring structure 10 applied on single-pile foundation has at least the following advantages:
Cooperate tension rope 200 to be pressed on single-pile foundation 20 by ballast 100, can be avoided in 20 He of single-pile foundation A large amount of sand pocket structures 130 are accumulated to make up gap in the intersection position of ballast 100.And the method for traditional accumulation sand pocket, also Sand pocket is launched to underwater, it is not high to launch precision, and it is very high to launch cost.And in muddy sea bed 30, due to sea bed 30 do not have enough bearing capacitys, and accumulating a large amount of sand pockets can be trapped in sea bed 30, so lead to that ballast 100 can be reduced it is right The scour protection of single-pile foundation 20.
Tension rope 200 is cooperated to be pressed on single-pile foundation 20 by ballast 100, rather than by increasing ballast 100 Gravity mode make ballast 100 stablize on sea bed 30 so that be applied to single-pile foundation on Anti-scouring structure 10 not only Suitable for sandy sea bed 30, or slightly hard sea bed 30, it can be applicable to muddy sea bed 30 or softer sea bed 30.
On the one hand ballast 100 cooperates tension rope 200 to be adjacent on single-pile foundation 20, on the other hand lean on self gravity pressure On sea bed 30, and then the ability that ballast 100 resists the environmental loads such as stormy waves is further increased, and then effectively improve and be applied to The erosion resistibility of Anti-scouring structure 10 on single-pile foundation.
Cooperate tension rope 200 to be adjacent on single-pile foundation 20 by ballast 100, ballast 100 and list can be eliminated Gap between pile foundation 20, avoid because ballast 100 be laid with it is not in place caused by secondary wash away.It is above-mentioned simultaneously to be applied to list 10 convenient construction of Anti-scouring structure in pile foundation, it is of less demanding to ship equipment, it is mounted in Equipment Foundations, increases in traditional sand Add the ship that casts anchor, the time of marine repeatedly lifting sand pocket can be saved, the time cycle of entire project can be reduced.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but not It can therefore be construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art, Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of Anti-scouring structure applied on single-pile foundation characterized by comprising
At least two ballasts for enclosing the peripheral side for being set to single-pile foundation, and are used to be layed in sea bed, in the ballast It is formed with interconnecting piece;And
At least two tension ropes, each corresponding at least one tension rope of the ballast, the tension rope pass through institute It states interconnecting piece to connect with the ballast, the tension rope is used to be set around the single-pile foundation, the tension rope Opposite end is respectively used to be fixed on the sea bed.
2. the Anti-scouring structure according to claim 1 applied on single-pile foundation, which is characterized in that the interconnecting piece shape Towards on the surface of the single-pile foundation, the interconnecting piece can be adjacent on the single-pile foundation ballast described in Cheng Yu.
3. the Anti-scouring structure according to claim 1 applied on single-pile foundation, which is characterized in that on the interconnecting piece It is formed with perforation, the tension rope is arranged in the perforation.
4. the Anti-scouring structure according to claim 1 applied on single-pile foundation, which is characterized in that the ballast packet Sand quilt is included, at least two sand can be covered the sea bed of the single-pile foundation peripheral side.
5. the Anti-scouring structure according to claim 4 applied on single-pile foundation, which is characterized in that the tension rope Length be the ballast along 5 times to 6 times of maximum length of the extending direction of single-pile foundation cross section tangent line.
6. the Anti-scouring structure according to claim 1-5 applied on single-pile foundation, which is characterized in that described The circle of single-pile foundation one can be at least set around by tensing rope.
7. the Anti-scouring structure according to claim 1-5 applied on single-pile foundation, which is characterized in that also wrap Anchoring piece is included, is provided at least one anchoring piece on each opposite end for tensing rope, the anchoring piece is used for It is fixed on the sea bed.
8. a kind of installation method applied to the Anti-scouring structure on single-pile foundation, which is characterized in that described to be applied to single pile base Anti-scouring structure on plinth includes at least two ballasts and at least two tension ropes, each ballast corresponding at least one The tension rope is formed with interconnecting piece, the installation applied to the Anti-scouring structure on single-pile foundation in the ballast Method the following steps are included:
The tension rope is connected by the interconnecting piece with the corresponding ballast;
The ballast is laid on sea bed, so that all ballasts are enclosed set on the single-pile foundation peripheral side;
The tension rope is set around on the single-pile foundation;
The opposite end for tensing rope is separately fixed on the sea bed.
9. the installation method according to claim 8 applied to the Anti-scouring structure on single-pile foundation, which is characterized in that will The ballast is laid on sea bed, so that before the step of all ballasts are enclosed set on the single-pile foundation peripheral side also Include:
Floatation part is set on the opposite end for tensing rope, floats on the floatation part on sea.
10. the installation method according to claim 9 applied to the Anti-scouring structure on single-pile foundation, which is characterized in that Include: by the step that the opposite end for tensing rope is separately fixed on the sea bed
The floatation part on the opposite end for tensing rope is dismantled, makes that anchor is arranged on the opposite end for tensing rope Firmware;
The anchoring piece is fixed on the sea bed.
CN201910423729.2A 2019-05-21 2019-05-21 Applied to the Anti-scouring structure and its installation method on single-pile foundation Pending CN110144977A (en)

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