CN107709669A - Scour protection structure and method that the safeguard structure is provided along the sub-bottom of dock wall - Google Patents
Scour protection structure and method that the safeguard structure is provided along the sub-bottom of dock wall Download PDFInfo
- Publication number
- CN107709669A CN107709669A CN201680024257.8A CN201680024257A CN107709669A CN 107709669 A CN107709669 A CN 107709669A CN 201680024257 A CN201680024257 A CN 201680024257A CN 107709669 A CN107709669 A CN 107709669A
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- Prior art keywords
- plate
- scour protection
- protection structure
- structure according
- screed
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Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000011435 rock Substances 0.000 claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004746 geotextile Substances 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims 2
- 239000000463 material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 239000004852 Asphaltite Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000013521 mastic Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- -1 timber Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/066—Quays
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
- E02B3/123—Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of stone, concrete or similar stony material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0017—Means for protecting offshore constructions
Abstract
The invention discloses a kind of scour protection structure along dock wall sub-bottom.The scour protection structure meets 100 including Size Distribution<Dn50<Basis/screed-coat of 225mm rock, and multiple precast rc slabs, these armoured concrete slabs are adjacently located to the top of basis/screed-coat, and have gap between the edge of plate, and the lateral dimension of plate is at least 3.5 m.A kind of method provided along the scour protection of dock wall sub-bottom is be provided.
Description
Background technology
The present invention relates to a kind of scour protection structure of the sub-bottom along dock wall extension.The invention further relates to offer
The method of this scour protection structure.
Sea-freight is all being continuously increased in quantity and the aspect of scale two.Past 10 years, the development of shipping industry show growth
Feature.Ship is increasing, so as to carry load as much as possible.The continuous expansion of freighter and cruise scale is to harbour base
Infrastructure generates material impact because dock need made it is deeper, and dock wall need it is firmer.In addition, mesh
The power that the preceding bigger ship developed is equipped with is significantly larger than hitherto known power.With using on these ships
Bigger and stronger power propeller it is associated, act on dock wall and dock wall before harbour sub-bottom flow velocity
May be to dock wall, the rank that particularly harbour sub-bottom causes serious harm it is expected that will be increased to.Due to modern ships
Tend to the secondary propulsion system with such as bow navigator and stern propeller, it is therefore, special to increase the mobility of ship
It is not when berthing, this destructive effects are even more a problem.
The scour protection of harbour sub-bottom is widely known by the people.The scour protection of the existing toe in dock wall can
So that including particle protection, liquid asphalt mastic can be added wherein to increase intensity.Other known scour protection includes mixed
The mattress of solidifying soil block, rock or fiber asphaltite.These mattress are readily used in sub-bottom, and flexible due to mattress
Property, enough intensity can be provided for most of applications.However, these materials may not always provide it is enough anti-
Shield, or may be unavailable at the scene.
FR2125826 A5 disclose a kind of scour protection for dykes and dams, and it includes being covered by the precast concrete block interlocked
The filtering layer of lid.These blocks have the pyramidal projections with setting conical cavity interlocking on the opposite sides in side.According to page 2, the
25-28 rows, the relatively small size of this interlock mode and block allow block to be mutually pivotable and adapt to rough subsoil.To the greatest extent
Manage multiple interlocking blocks and provide protection and water penetration for dykes and dams, but the power for acting on sub-bottom in view of the above discussion is in day
Benefit increase, the protection for the sub-bottom region along dock wall will be modified.
It is significantly more efficient for extending along dock wall it is an object of the invention to provide scour protection known to a kind of ratio
The scour protection of sub-bottom.
The content of the invention
Above-mentioned and other purposes pass through the scour protection structure according to claim 1 along dock wall sub-bottom
To provide.The scour protection structure of the present invention meets 100 including Size Distribution<Dn50<Basis/screed-coat of 225mm rock,
And multiple prefabricated armoured concrete slabs, these armoured concrete slabs are adjacently located to the top of basis/screed-coat, and
There is gap between the edge of plate, the lateral dimension of plate is at least 3.5m.It has been proved that the basis/levelling according to the present invention
Layer provides reliable and sufficient support or basis for concrete slab, and the gap between edges of boards edge is in length provided by the invention
It is useful in effect protection.The Size Distribution of required basis/screed-coat provides enough supports and levelling for the layer
Combination function, the generation of its crackle and/or crackle in suppressing plate as time goes by.
The scour protection of typical mattress or particle protection form used in known needs the big of up to 1-5 tons and weighed
Rock, to bear exemplary push caused by ship.These rocks may be not readily available, and it also requires being used in quite
In thick layer.It reduce the maximum available depth along dock wall.The scour protection of the present invention does not have this shortcoming.It is known
Particle protection may also need accurately installation and it is levelling.Therefore the scour protection thickness and density obtained is quite not true
Fixed, and it is somewhat dependent upon the experience of crane driver.Carried out when completing engineering by client or contractor
Quality control is tested, and the particularly measurement of minimum thickness and density may cause extensive and undesirable change.The present invention's
Scour protection does not have this problem, and provides accurate thickness and density for scour protection.This allows accurately to define water
The depth of lower bottom part, at least over 3.5 meters of distance.Due to the size of plate, their weight largely prevents plate
Rearranging relative to each other.Therefore, sub-bottom depth can be precisely remained in the distance bigger than 3.5 meters.
Basis/screed-coat includes the rock with present invention Size Distribution claimed, and thus the work rock can
With including any granular materials, such as natural and/or artificial rock and/or stone.
Gap width between edges of boards edge can be distributed according to the selected size of basis/screed-coat rock to select.This hair
The scour protection that a bright particularly preferred embodiment provides, its gap width range is 10-100mm, more preferably 20-
90mm, most preferably 30-60mm.Preferred embodiment helps to prevent washing away outside the sub-bottom layer below plate, and
Increase the stability of scour protection.Gap between concrete slab should deposit along an edge of each at least two plates
Preferably along each two edges at least three plates, more preferably along each at least four plates
Three edges, most preferably along each four edges at least five plates.Gap can be along being roughly parallel to code
The marginal existence of the direction extension of head bulkhead wall, and/or can be deposited along the edge that the direction for being approximately perpendicular to dock wall extends
.Gap width between plate is preferably constant, but can be along the edge variation of the plate of two adjacent positioneds, preferably between average
Within the 50% of gap width, more preferably in the 20% of average gap width, 10% most preferably in average gap width
Within.
It is to allow that along dock wall available depth and is maximized according to the beneficial effect of the scour protection of the present invention.Channel syndrome
It is bright, for example, the average thickness of basis/screed-coat particularly concrete slab can select to obtain to be smaller than known particle scour protection
It is more.In one embodiment of the invention, there is provided the thickness range that scour protection, wherein plate have is 200-500mm, more excellent
Elect 275-425mm, most preferably 325-375mm as.These preferable thickness provide required erosion protection, and also allow
These plates are handled while plate is positioned at into sub-bottom.
One important advantage of the scour protection of the present invention is related to a kind of embodiment, and wherein concrete slab is arranged on basis/look for
On flat bed, without the interconnection of plate.This contributes to the plate that damage is changed with another block of plate.The relatively large size of plate
（And weight）Allow to the interlocking for being mutually rearranged to reduce or even avoid plate by hindering them.
The gap between concrete slab edge is needed according to the scour protection of the present invention.For the ease of correctly positioning, the implementation
Example is related to scour protection, and the edge of wherein plate is provided with apart from holding meanss or interval bead.Interval bead can be and plate divides
From or it is integral with plate, and can be by concrete, timber, rubber or other polymer, metal and other suitable materials
Material is made.Gap between interval bead or the edges of boards edge for helping to maintain required apart from holding meanss.
The scour protection of the present invention meets 100 including Size Distribution<Dn50<Basis/screed-coat of 225mm rock.Dn50
Refer to by 50%（Weight）The nominal rock size that exceedes of rock.What other useful embodiments of the present invention provided washes away anti-
Shield, the Size Distribution of wherein rock meet 100<Dn50<185mm, more preferably 100<Dn50<155mm, most preferably 110<Dn50<
130mm。
In another embodiment of the present invention, there is provided the Size Distribution of a kind of scour protection, wherein rock is chosen
To cause at most 10%（Weight）Rock there is size less than 100mm, and/or at most 10%（Weight）Rock have it is big
In 225mm size.In particularly useful embodiment, at least 80%（Weight）Rock have between 100-225mm
Size.
Basis/screed-coat is used to support concrete slab, and power is distributed into subsoil.In the useful implementation of the present invention
In example, there is provided a kind of scour protection, wherein basis/screed-coat is within 200mm, more preferably within 100mm.Basis/
Screed-coat can be horizontal, but can also have the gradient from the horizontal by angle, and the wherein angle can be in 0-
Between 40 degree, more preferably between 0-30 degree, most preferably between 0-20 degree.
Underwater any depth can set according to the scour protection of the present invention.In the preferred embodiments of the present invention
In, there is provided scour protection, the depth that wherein at least some plate is arranged on is at least 15m, more preferably at least 20m, optimal
Elect at least 25m as.
The concrete slab of scour protection can have any shape and can be bending or flat.The one of the present invention
Individual embodiment is related to scour protection, and wherein plate is plane, and the edge of plate is straight and in the thickness perpendicular to plate plane
Degree side upwardly extends.The practical embodiments of the present invention provide scour protection, and the lateral dimension that wherein plate has is at least 5m, more excellent
Elect at least 6m, most preferably at least 7m as.Preferable scour protection includes the plate that at least some sizes are 8 × 8 × 0.35m, often
The excursion of individual size is at most 40%, more preferably up to 30%, most preferably at most 20%.
Scour protection can be in the 1-10m perpendicular to dock wall, the either horizontal stroke more than 10m's or more than 100m
Extend to distance.Scour protection can in only several meters, preferably more than 100m, more preferably more than 1km parallel to（Edge
）Extend on the longitudinal direction of dock wall.
Present invention also offers the embodiment of scour protection, wherein plate is provided with from the preceding surface of plate and extends to the more of surface thereafter
Individual hole.Gap interaction between this some holes and plate, to prevent the climbing power that plate may be made unstable.This some holes additionally aid by
Plate is placed in sub-bottom.
The quantity in the hole on plate can select in the larger context.In the preferred embodiment of the scour protection of the present invention, one
The quantity in the hole on individual plate is 10-100, more preferably 20-90, most preferably 30-80.The density range in preferable hole is often to put down
Square 0.5 to 5 hole of rice, more preferably every square metre of 0.8 to 3 hole, most preferably every square metre of 0.9 to 2 hole.The section in hole
Size（Such as the diameter of cylindrical hole）It can in the larger context select, but be preferably between 20-200mm, more preferably
For between 40-150mm, most preferably between 50-100mm.
In order to increase the convenience of installation, it is characterised by according to the embodiment of the scour protection of the present invention, plate includes lifting branch
Frame.Hoisting bracket is desirably integrated into concrete slab during the casting of plate, and hoisting bracket can include such as steel bracket.
The concrete slab of the scour protection of the present invention preferably must provide the place of scour protection or advance system near it
Make.Plate includes multiple stiffeners（Reinforcing bar）The reinforcing bar of form, its quantity and performance determine according to well-known Computing Principle.When
When plate is placed under water and lifts by crane and navigate on basis/screed-coat, reinforcing bar has in terms of necessary intensity is provided for plate
Important function.
The improvement of scour protection is obtained in one embodiment, and the embodiment is also basic/levelling including being preferably provided at
The geotextile layer of layer lower section.Sub-bottom can set the soil filtering that can partly extend to below dock wall first
Layer.In the present embodiment, sub-bottom is covered with geotextile layer.Geotextile layer, which is generally parallel to each other, to be placed and with one
Fixed is overlapping, and is preferably setting basis/screed-coat thereon.
The invention further relates to a kind of method for being used to provide scour protection in region along dock wall water.The side of the present invention
Method is included in sub-bottom offer Size Distribution and meets 100<Dn50<225mm rock foundation/screed-coat, and will be multiple prefabricated
Armoured concrete slab be adjacently located on the top of basis/screed-coat so that the leaving gap between the edge of plate.Wash away
Protection is for being particularly advantageous, more preferably at least 20m in the underwater arrangement of sizable at least 15m depth, most preferably
It is at least 25m.
By from ship, it is however preferred to have the ship of waterspout, from crane, or from other any suitable instruments or dress
Put and rock is poured onto in water, advantageously basis/screed-coat can be set and arrive existing sub-bottom.The lifting of plate and then
Plate is navigated on basis/screed-coat and can be implemented conveniently by boom hoisting, boom hoisting is preferably provided with lifting
Framework, plate can be easily suspended on lifting framework.Lifting framework and/or plate can be provided with positioning and/or measurement work in itself
Tool, such as sonar etc..
The preferred embodiments of the present invention are related to a kind of method, wherein, plate is positioned such that the gap between the edge of plate
For 20-100mm, more preferably 30-90mm;Wherein, the thickness range that plate has is 200-500mm, more preferably 275-
425mm, most preferably 325-375mm；Wherein, the edge of plate is provided with apart from holding meanss or interval bead；Wherein, rock
Size Distribution meets 110<Dn50<130mm；Wherein, the Size Distribution of rock is selected such that at most 10%（Weight）Rock
Less than 100 millimeters, and/or at most 10%（Weight）Rock be more than 225 millimeters；Wherein, basis/screed-coat 200mm with
It is interior;Wherein, the depth that at least some plates are arranged on is at least 15m, more preferably at least 20m, most preferably at least 25m；Its
In, plate is plane, and the edge of plate is straight and extended on the thickness direction perpendicular to plate plane；Wherein, plate is set
Multiple holes that surface thereafter is extended to from the preceding surface of plate are equipped with, wherein, the quantitative range in the hole is 10-100, more preferably
20-90, most preferably 30-80；Wherein, the lateral dimension that plate has is at least 5m, more preferably at least 6m, is most preferably at least
7m；Wherein, at least some plates have 8 × 8 × 0.35m size, and the excursion of each size is at most 40%.Wherein, extremely
Some few plates include hoisting bracket, and plate is lifted by crane by being connected to the cable of the support；And/or wherein, it is provided with geotechnique and knits
Nitride layer, it is preferably provided in the lower section of basis/screed-coat.
It is manifestly intended that embodiments of the invention disclosed herein can be with any possible group of these embodiments
Close to combine, and each embodiment can be the theme of divisional application respectively.
Brief description of the drawings
The present invention is explained in more detail referring now to accompanying drawing, but the invention is not restricted to this.As shown in the figure：
Fig. 1 schematically illustrates the cross section of dock wall, is provided with its root according to scour protection structure of the invention
Embodiment；
Fig. 2 schematically illustrates the cross section of dock wall, is provided with its root according to scour protection structure of the invention
Another embodiment；
Fig. 3 A schematically illustrate the side view of a part for scour protection structure in Fig. 2；
Fig. 3 B schematically illustrate the top view of a part for scour protection structure in Fig. 2；
Fig. 3 C schematically illustrate the side view of concrete slab, and the concrete slab is a part for scour protection structure in Fig. 2；
Fig. 3 D schematically illustrate the detailed top view of the part A of scour protection structure in Fig. 3 B；With
Fig. 4 is schematically illustrated for the concrete slab of embodiments of the invention to be placed on to the sub-bottom along dock wall
Lifting framework perspective view.
Embodiment
With reference to figure 1, jumbo ship is stopped along dock wall.Ship 1 can be the sizable ship of any size, and its
Including horse traction Ka Kamake for illustration purposes（Malaccamax）Container ship.Horse traction Ka Kamake（Malaccamax）Ship
With the full-size for still allowing for the limit navigating area by the Strait of Malacca.Horse traction Ka Kamake（Malaccamax）Container ship
Generally there is about 21m draft, itself and such as VLCC（Ultra-large type crude oil carrier）Quite.Horse traction Ka Kamake
（Malaccamax）Container ship generally has following characteristics：
Full-load draft -21m
Length over all（Loa） - 470m
Beam（B） - 61.5m
Freeboard（F） - 14m
Type is grown（Lbp） - 437.5m
Displacement（Md） - 435000t
Loading capacity（Dwt） - 435000t
Block Coefficient 0.751
Wind area -18600m2
The propulsion details of ship 1 in a fully loaded state can be summarized as follows：
Main screw（It is double）Diameter -10m
Sustainer power-propeller 90000kW
Stern/- 3.5 meters of bow navigator diameter
The bow navigator power of 3 sterns/3-propeller 3700kW
Which create the sub-bottom before sizable flow velocity impact dock wall and dock wall toe.Allusion quotation under total power
Type effluxvelocity is about 14m/s for main screw, is about 6m/s for built-up propeller.According to the scour protection of the present invention
It is enough to protect these parts from corroding.
Ship 1 has about 21m drinking water portion 11, and extends about 14m distance 12 above water 10.Water level is 0.3m
CD（Chart datum）.The toe of dock wall 2 is -23.5m CD, and along the waters of dock wall 2 depth capacity for -
26.5m CD.Ship 1 is in its stern equipped with two main screws 13.Stern propeller is not shown.
As shown in figure 1, dock wall includes multiple caissons 20 filled with dredged material 21 in itself（Purpose is merely illustrative, no
The limitation present invention）.The plurality of caisson 20 is provided with steel top plate 22, and upwardly extends several kilometers in the side along dock wall 2.It is heavy
Case 20 is shelved on the basal layer of sand launder 23 of compacting, and the top layer of rock piton 24 is provided with the basal layer of sand launder 23.Sand launder 23 is excellent
Selection of land is compacted and has been arranged in the dredging volume of base material 25.Caisson 20 is provided with top by along dock wall
The extra sand heap 26 that the holding ridge member 27 of 1 extension is kept.
Figure 2 illustrates the embodiment of the scour protection structure 3 of the sub-bottom 25 along dock wall 1, it includes rock
Basis/screed-coat 4, the Size Distribution of the basis/screed-coat 4 meet Dn50=120mm, at most 10wt% rock are less than 100mm,
At most 10 wt% rock is more than 225mm, and multiple prefabricated armoured concrete slabs 5, these concrete slabs 5 are adjacent to be positioned at
The top of basis/screed-coat 4, and leave gap 50 between the edge 51 of plate 5.Plate 5 includes that 8 × 8m is wide and 0.35m is thick
Multiple planar square plate 5a.The armoured concrete slab of multiple rectangles is provided with the toe of dock wall 2, size is long 4m, wide 8m,
Thick 0.5m.The other end of scour protection structure 3 includes multiple rectangle armoured concrete slabs, and size is long 3.5m, wide 8m, thick
0.35m.The thickness 40 of basis/screed-coat 4 is about 0.5m, and its thickness gradually increases towards the direction of dock wall 2, by
Nearly dock wall toe about 1.5m position increases to thickness 41.The gradient 42 of basis/screed-coat 4 is about 11 degree.
Scour protection structure 3 shown in Fig. 2 also includes the geotextile layer 6 being arranged between basis/screed-coat 4 and bottom 25.
Geotextile layer includes PP geotextiles, and the toe of geotextile layer from dock wall 2 extends to the intensification area in waters 10
The opposite end in domain 60.
As shown in Fig. 3 A to 3D, scour protection structure 3 according to an embodiment of the invention include thickness 40 be about 0.5m basis/
Screed-coat 4 and the armoured concrete slab 5a that multiple thickness 50 are about 0.35mm.The scope of gap width 51 between plate 5a is 40-
80mm.As shown in Fig. 3 B and Fig. 3 D top view, which show the details A of Fig. 3 B plate 5, between plate 5a edge 58 is provided with
Every bead 53 to provide gap width 51.Stiffener 53 is both provided with each plate 5a corner.
Plate 5a is additionally provided with multiple holes 54 that surface 55b thereafter is extended to from the preceding surface 55a of plate 5.About 64 hole quilts
It is regularly distributed over surface（55a, 55b）On.Plate 5 also includes hoisting bracket 56, as shown in Fig. 3 C side view.
With reference to figure 4, method for providing the scour protection structure 3 along the sub-bottom 25 of dock wall 2 is illustrated
Embodiment.This method is included in the offer of sub-bottom 25 Size Distribution and meets 100<Dn50<225mm rock foundation/screed-coat 4,
And multiple prefabricated armoured concrete slabs 5 are adjacently located on the top of basis/screed-coat 4 so that at the edge of plate 5
Leaving gap between 58.By suitable boom hoisting, such as the crane from the bank, from ship or from floating drum operation（Not
Displaying）, advantageously plate 5 can be placed on the top of basis/screed-coat 4.Lifting framework 7 is suspended on the line of crane hook
On cable 71.In four corners attachment suspension cable 72 of lifting framework 7, the suspension cable 72 can be by the conjunction that is arranged on framework 7
Suitable mechanism 73 discharges or retracted.Cable 72 is connected with plate 5, by reducing jib boom and/or release cable（71,
72）Plate 5 is sent under water.Interval bead 52 allows plate 5 being positioned on basis/screed-coat 4 so that in the plate 5 of adjacent positioned
Edge 58 between maintain appropriate gap width.Framework 7 be also provided with for the pinpoint sonar of plate 5 or other
Alignment system.Hole 54 in plate 5 allows while water is entered, and water can discharge below plate 5, and this further helps in plate 5
It is accurate to place.
Claims (16)
- A kind of 1. scour protection structure of sub-bottom along dock wall, it is characterised in that including：Size Distribution meets 100< Dn50<Basis/screed-coat of 225mm rock, and multiple precast rc slabs, these armoured concrete slabs are adjacent to It is positioned on the top of basis/screed-coat, and gap is left between the edge of plate, the lateral dimension of plate is at least 3.5m.
- 2. scour protection structure according to claim 1, it is characterised in that the width in the gap is 10-100mm, more Preferably 20-90mm, most preferably 30-60mm.
- 3. scour protection structure according to claim 1 or 2, it is characterised in that the thickness that the plate has is 200- 500mm, more preferably 275-425mm, most preferably 325-375mm.
- 4. scour protection structure according to any one of the preceding claims, it is characterised in that the edge of the plate is set Have apart from holding meanss or interval bead.
- 5. scour protection structure according to any one of the preceding claims, it is characterised in that the size of the rock point Cloth meets 110<Dn50<130mm.
- 6. scour protection structure according to any one of the preceding claims, it is characterised in that the size of the rock point The rock that cloth is chosen at most 10wt% has size less than 100mm, and/or at most 10 wt%'s is described Rock has the size more than 225mm.
- 7. scour protection structure according to any one of the preceding claims, it is characterised in that the basis/screed-coat reaches To within 200mm.
- 8. scour protection structure according to any one of the preceding claims, it is characterised in that at least some plate quilts It is arranged on depth to be at least at 15m, more preferably at least at 20m, most preferably at least at 25m.
- 9. scour protection structure according to any one of the preceding claims, it is characterised in that the plate is plane, and The edge of the plate is straight and extended on the thickness direction perpendicular to the plane of the plate.
- 10. scour protection structure according to any one of the preceding claims, it is characterised in that the plate is provided with from institute The preceding surface for stating plate extends to multiple holes on surface thereafter.
- 11. scour protection structure according to claim 10, it is characterised in that the quantity in the hole is 10-100, more excellent Elect 20-90, most preferably 30-80 as.
- 12. scour protection structure according to any one of the preceding claims, it is characterised in that the transverse direction that the plate has Size is at least 5m, more preferably at least 6m, most preferably at least 7m.
- 13. scour protection structure according to any one of the preceding claims, it is characterised in that at least some plate tools There is 8 × 8 × 0.35m size, the excursion of each size is at most 20%.
- 14. scour protection structure according to any one of the preceding claims, it is characterised in that the plate includes lifting branch Frame.
- 15. scour protection structure according to any one of the preceding claims, it is characterised in that also including geotextile Layer, the geotextile layer are preferably provided at the lower section of the basis/screed-coat.
- A kind of 16. method that the scour protection structure along the sub-bottom of dock wall is provided, it is characterised in that including under water Bottom provides Size Distribution and meets 100<Dn50<225mm rock foundation/screed-coat, and by multiple prefabricated armored concrete Plate is adjacently located on the top of basis/screed-coat so that leaves gap between the edge of plate.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15165792.1A EP3088610B1 (en) | 2015-04-29 | 2015-04-29 | Scour protection for an underwater bottom alongside a quay wall, and method for providing the same |
| EP15165792.1 | 2015-04-29 | ||
| PCT/EP2016/059277 WO2016174029A1 (en) | 2015-04-29 | 2016-04-26 | Scour protection for an underwater bottom alongside a quay wall, and method for providing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107709669A true CN107709669A (en) | 2018-02-16 |
Family
ID=53039305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680024257.8A Pending CN107709669A (en) | 2015-04-29 | 2016-04-26 | Scour protection structure and method that the safeguard structure is provided along the sub-bottom of dock wall |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP3088610B1 (en) |
| KR (1) | KR102616709B1 (en) |
| CN (1) | CN107709669A (en) |
| DK (1) | DK3088610T3 (en) |
| MY (1) | MY189807A (en) |
| PH (1) | PH12017501962B1 (en) |
| WO (1) | WO2016174029A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6309148B1 (en) * | 2017-07-21 | 2018-04-11 | 有限会社キシムラ | Sand proof sheet laying structure |
| CN112049421A (en) * | 2020-08-30 | 2020-12-08 | 广东省水利水电第三工程局有限公司 | Self-compacting rock-fill concrete construction process |
| CN113684856A (en) * | 2021-08-31 | 2021-11-23 | 华能(浙江)能源开发有限公司清洁能源分公司 | Offshore wind power foundation with worm sand guiding function |
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| EP1440208A1 (en) * | 2001-10-26 | 2004-07-28 | Keun-Hee Lee | Method for constructing scour protection of bridge and stabilization of stream bed using block mat |
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| KR101162904B1 (en) * | 2012-04-17 | 2012-07-05 | 국민대학교산학협력단 | Deep cement mixing method of soft ground of sea bottom and footing structure using the same |
-
2015
- 2015-04-29 EP EP15165792.1A patent/EP3088610B1/en active Active
- 2015-04-29 DK DK15165792.1T patent/DK3088610T3/en active
-
2016
- 2016-04-26 CN CN201680024257.8A patent/CN107709669A/en active Pending
- 2016-04-26 WO PCT/EP2016/059277 patent/WO2016174029A1/en active Application Filing
- 2016-04-26 MY MYPI2017704050A patent/MY189807A/en unknown
- 2016-04-26 KR KR1020177033069A patent/KR102616709B1/en active IP Right Grant
-
2017
- 2017-10-27 PH PH12017501962A patent/PH12017501962B1/en unknown
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|---|---|---|---|---|
| US1993217A (en) * | 1932-12-19 | 1935-03-05 | Union Oil Co | Revetment structure |
| FR2125826A5 (en) * | 1971-02-15 | 1972-09-29 | Naue Kg E A H | Erosion protection material - of non woven fibres and reinforcing material |
| CN2365261Y (en) * | 1998-09-03 | 2000-02-23 | 彭继源 | Laid-in concrete breakwater |
| US20030017000A1 (en) * | 2001-07-19 | 2003-01-23 | Jansson Jan Erik | Assembly of revetments with crush-absorbing ribs |
| CN2737831Y (en) * | 2004-01-09 | 2005-11-02 | 郑士元 | Compoiste board |
| CN101761052A (en) * | 2008-11-11 | 2010-06-30 | 李凤 | Concrete sheeting plank |
| CN101514547A (en) * | 2009-03-23 | 2009-08-26 | 河南省燕山水库建设管理局 | Technology for protecting slope of dam |
| CN101967811A (en) * | 2009-07-27 | 2011-02-09 | 北京仁创科技集团有限公司 | Hydraulic structure |
| CN203411948U (en) * | 2013-08-01 | 2014-01-29 | 鸿鑫建设集团有限公司 | Green ecological riverway revetment structure |
| CN204059284U (en) * | 2014-08-19 | 2014-12-31 | 东南大学 | A kind of sloot shore protection and river bed structure |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3088610B1 (en) | 2018-11-14 |
| PH12017501962A1 (en) | 2018-03-19 |
| DK3088610T3 (en) | 2019-03-11 |
| EP3088610A1 (en) | 2016-11-02 |
| KR20170141724A (en) | 2017-12-26 |
| WO2016174029A1 (en) | 2016-11-03 |
| KR102616709B1 (en) | 2023-12-20 |
| PH12017501962B1 (en) | 2018-03-19 |
| MY189807A (en) | 2022-03-09 |
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Application publication date: 20180216 |