CN108086267B - Portable anti-fouling screen layout construction method - Google Patents
Portable anti-fouling screen layout construction method Download PDFInfo
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- CN108086267B CN108086267B CN201711485880.6A CN201711485880A CN108086267B CN 108086267 B CN108086267 B CN 108086267B CN 201711485880 A CN201711485880 A CN 201711485880A CN 108086267 B CN108086267 B CN 108086267B
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- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 100
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000004744 fabric Substances 0.000 claims abstract description 118
- 238000007667 floating Methods 0.000 claims abstract description 46
- 235000003570 Phyllostachys pubescens Nutrition 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000004746 geotextile Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 244000302661 Phyllostachys pubescens Species 0.000 claims description 26
- 239000004698 Polyethylene Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 3
- 241001520913 Phyllostachys edulis Species 0.000 abstract 1
- 239000013049 sediment Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000254 damaging effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
- E02B15/0807—Devices for reducing the polluted area with or without additional devices for removing the material with stabilising elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention discloses a portable anti-fouling screen, which comprises a self-floating body, curtain cloth weights, counterweight anchors and fixed moso bamboos. The self-floating bodies are connected in series on the main connecting rope at 15cm intervals, and the buoyancy of each self-floating body is 25kg. The curtain cloth adopts 400g/m 2 The geotextile manufacture method comprises the steps that a transverse stiffening belt is sewn at the upper end, the lower end and the middle part of a curtain in the vertical width direction, a vertical stiffening belt is sewn at each 1m interval in the length direction, the upper end of each vertical stiffening belt is connected with a self-floating body connecting ring, and the lower end of each vertical stiffening belt is connected with a curtain pendant connecting ring; the curtain cloth is connected in series on the main connecting rope through a self-floating body connecting ring and is connected with the self-floating body; the curtain cloth weights are connected with curtain cloth weight connecting rings on the curtain cloth in a mode of 2m interval; the counterweight anchors are connected with the two side surfaces of the top of the curtain cloth by the anchor pulling ropes at intervals of 10 m. The anti-fouling screen has the characteristics of difficult breakage, good anti-fouling effect and simple construction operation.
Description
Technical Field
The invention relates to dredging equipment, in particular to a portable anti-fouling screen and a layout construction method thereof.
Background
At present, in the engineering of land reclamation around sea, the construction of the hydraulic reclamation land by adopting a large-scale cutter suction dredger to hydraulic reclamation of silt is mainly adopted, but the filling soil of a reclamation area can be diffused in a large area in the silt dumping process, so that the pollution to the surrounding environment is caused. In order to prevent such pollution to the marine environment, only antifouling measures can be taken around the construction area. The main means for preventing and treating the sediment pollution is to prevent the sediment from spreading in a large area. The antifouling screen is a material for preventing the seawater sediment from being fouled to cause pollution in the process of replacing the seawater sediment in a large area in the projects of sea filling, harbor construction and the like. In order to achieve a good antifouling effect, it is preferable to arrange an antifouling screen around the position of the cutter suction dredger and the tail water discharge port in the bay, so as to reduce the diffusion to the surroundings. The arrangement of the anti-fouling screen is an effective means widely adopted in preventing and controlling the sediment diffusion on the seabed internationally at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a layout construction method of a portable anti-fouling screen, which has the characteristics of difficult breakage, good anti-fouling effect and simple construction operation, and forms a protective measure for reducing or preventing the water quality of polluted sea areas to the greatest extent.
The technical scheme for realizing the aim of the invention is as follows: a portable anti-fouling screen comprises a self-floating body, a curtain cloth pendant, a counterweight pendant and a fixed moso bamboo, wherein,
the self-floating bodies are connected in series on the main connecting rope at intervals of 15 cm;
the curtain cloth adopts 400g/m 2 The geotextile manufacture method comprises the steps that a 3cm wide transverse stiffening belt is sewn at the upper end, the lower end and the middle part of a curtain cloth in the vertical width direction, a 3cm wide vertical stiffening belt is sewn at each 1m interval in the length direction, the upper end of each vertical stiffening belt is connected with a self-floating body connecting ring, and the lower end of each vertical stiffening belt is connected with a curtain cloth pendant connecting ring; the curtain cloth is connected in series on the main connecting rope through the self-floating body connecting ring and is connected with the self-floating body through the first locking rope;
the curtain cloth weights are connected with curtain cloth weight connecting rings on the curtain cloth in a mode of 2m spacing through second locking ropes; each curtain cloth pendant adopts a strip stone with the weight of 20-50 kg;
the counterweight anchors are connected with the two side surfaces of the top of the curtain cloth by anchor ropes at intervals of 10m, and each counterweight anchor adopts a strip stone with the weight of 50-100 kg;
the fixed moso bamboo is arranged on two sides of the curtain cloth, the top end of the fixed moso bamboo is exposed out of the water surface by more than 2m, the soil penetration depth is more than 4m, and the fixed moso bamboo is connected with the self-floating body connecting ring through a pull anchor rope with a certain length.
The portable anti-fouling screen is characterized in that the curtain cloth is formed by splicing a plurality of unit curtain cloth, the length of each unit curtain cloth is 20m, a plurality of spliced connecting rings are sewn on two vertical stiffening belts at intervals and are consistent, and a plurality of spliced connecting rings are sewn on the back surface of the other end of each unit curtain cloth at intervals and are consistent in the corresponding positions of the two vertical stiffening belts.
The portable anti-fouling screen is characterized in that the self-floating body is made of foaming foam plastic; the main connecting rope adopts a round steel wire rope with the diameter of 20 mm.
The portable anti-fouling screen is characterized in that the anchor pulling rope is an ultra-high molecular weight polyethylene rope with the diameter of 25mm and the breaking force of 25 t.
The portable anti-fouling screen is characterized in that the first locking rope and the second locking rope are polyethylene ropes with the diameter of 1.5 cm.
The portable antifouling screen, wherein the counterweight anchor is replaced by a bamboo pile.
The other technical scheme for realizing the aim of the invention is as follows: a layout construction method of a portable anti-fouling screen comprises the following steps:
(1) Before construction, measuring and positioning, adopting DGPS satellite positioning, and inserting a sight mark post to determine the erection position of the anti-fouling screen;
(2) Firstly connecting unit curtain cloth into a plurality of sections of anti-fouling screens on the bank, when the unit curtain cloth is connected, overlapping the front and the back of the adjacent unit curtain cloth, aligning two rows of spliced cloth connecting rings on one unit curtain cloth with the two rows of spliced cloth connecting rings on the adjacent unit curtain cloth, and connecting the corresponding spliced cloth connecting rings through connecting ropes; then connecting the curtain cloth with the self-floating body, and tying the anti-fouling screen into a large bundle at intervals by using a tying rope belt to ensure that the curtain cloth is not wound on the self-floating body when the curtain cloth is in water supply; conveying the orderly stacked anti-fouling screen, curtain cloth drop, counterweight anchor drop and other accessories to a working ship;
(3) The working ship in charge of anchoring is provided with curtain cloth pendants and fixed moso bamboos when tidal water reaches a designated position according to measurement and positioning, the length of a second locking rope is adjusted according to the water depth, after a first section of anti-fouling screen reaches a designated area, the curtain cloth pendants are connected with the first section of anti-fouling screen through the second locking rope and are connected with the fixed moso bamboos through anchor ropes, the curtain cloth pendants are firstly connected with the fixed moso bamboos which are towards the side of tidal water, then are connected with the fixed moso bamboos which are towards the side of tidal water, so as to fix the positions of the anti-fouling screen, and then counterweight anchoring pendants are thrown towards the two sides of the section of anti-fouling screen according to the interval of 10 m;
(4) Before the second section of the anti-fouling screen is launched, the second section of the anti-fouling screen is firstly connected with the last end of the first section of the anti-fouling screen on a deck of a working ship, launched after being bound into a big bundle, launched after being adjusted and positioned, then launched, and checked whether a curtain cloth is wound on a self-floating body or not, and after confirming that the curtain cloth is error-free, the binding rope can be unwound to release the curled state of the anti-fouling screen; and the like, completing the layout of the antifouling screen with the required length;
(5) After the arrangement, the anchor rope on the anti-fouling screen is adjusted according to the water depth and the tide level, so that the bottom end of the anti-fouling screen is kept at a proper distance from the seabed, and the normal use of the anti-fouling screen is ensured.
The layout construction method of the portable anti-fouling screen is characterized in that in the step (2), the binding rope belt is a polyethylene rope belt with the diameter of 40mm, and the binding rope belt is connected by a 2t stainless steel shackle.
The layout construction method of the portable anti-fouling screen is characterized in that when the step (5) is carried out, the clearance between the bottom end of the anti-fouling screen and the sea bottom at the high tide level is controlled to be 0.20m.
The layout construction method of the portable anti-fouling screen has the following characteristics:
1. the curtain cloth floats above the water surface from the middle upper part of the floating body, and is under the action of self gravity and curtain cloth fall, so that the curtain cloth is under the water surface and approaches the water bottom, and a screen structure is integrally formed, so that pollutants (including wastes, floating organisms, silt and the like) can be effectively intercepted, the water area to be protected is effectively isolated from the outside construction water area or the polluted water area, and the influence of the pollutants on the water area to be protected is prevented;
2. the curtain cloth is made of 400g/m2 geotextile, has good water permeability and strong tensile strength, can float along with waves to relieve tearing and damaging effects of waves on the anti-fouling screen, prolongs the service life, has low cost, and can effectively block the diffusion of suspended matters or silt;
3. the anti-fouling screen is transversely provided with stress elements such as a main connecting rope, a transverse reinforcing belt, a counterweight piece and the like, is longitudinally provided with stress elements such as a longitudinal reinforcing belt and the like, bears acting force generated by wind, wave and current in water, has higher strength and is suitable for operation in harsher water areas;
4. the self-floating body is made of foaming foam plastic with stable property in seawater, so that the buoyancy stability is not easy to lose;
5. the arrangement of the anti-fouling screen is positioned and connected according to the position of the fixed moso bamboo.
Drawings
FIG. 1 is a schematic view of the portable anti-fouling screen of the present invention;
fig. 2 is a side view of fig. 1.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, the portable anti-fouling screen of the present invention comprises a self-floating body 1, a curtain cloth 2, a curtain cloth pendant 3, a counterweight anchor pendant 4 and a fixed moso bamboo 5; wherein:
the self-floating body 1 plays a role in suspending and unfolding the anti-fouling screen curtain cloth, the self-floating body 1 is connected to the main connecting rope 10 in series in a mode of 15cm interval, and the main connecting rope 10 adopts a round steel wire rope with the diameter of 20 mm; each self-floating body 1 is made of foaming foam plastic and is required to fall from the floating body 1 for 5m 2 The settlement of geotextile is less than or equal to 0.56m;
the curtain cloth 2 adopts 400g/m 2 The geotextile manufacture method comprises the steps that 3cm wide transverse stiffening belts 21 are respectively sewn at the upper end, the lower end and the middle part of a curtain cloth 2 in the vertical width direction, 3cm wide vertical stiffening belts 22 are sewn at intervals of 1m in the length direction, the upper end of each vertical stiffening belt 22 is connected with a self-floating body connecting ring 23, and the lower end of each vertical stiffening belt 22 is connected with a curtain cloth pendant connecting ring 24; the transverse stiffening strip 21 and the vertical stiffening strip 22 can be avoidedWhen the anti-fouling screen is used in a water area with larger water flow, the anti-fouling screen cannot deform or even break due to the transverse and longitudinal stress;
the curtain cloth 2 is formed by splicing a plurality of unit curtain cloth 20, the length of each unit curtain cloth 20 is 20m, the vertical width of each unit curtain cloth 20 is determined according to the construction conditions of the anti-fouling screen layout water area, and the distance between the lower edge of the curtain cloth and the seabed mud surface is 0.5 to-1.5 m; one end of each unit curtain cloth 20 is provided with a plurality of spliced connecting rings 25 which are sewn on the two vertical stiffening belts 22 at intervals, and the back surface of the other end of each unit curtain cloth 29 is provided with a plurality of spliced connecting rings 25 which are sewn on the corresponding positions of the two vertical stiffening belts 22 at intervals; when in connection, the unit curtain cloth is overlapped with the front and the back of the adjacent unit curtain cloth in a staggered way, two rows of spliced connecting rings 25 on one unit curtain cloth are aligned with the two rows of spliced connecting rings 25 on the adjacent unit curtain cloth, and the corresponding spliced connecting rings 25 are connected through connecting ropes, so that the anti-fouling screen is convenient to detach and move;
the self-floating body connecting ring 13 is connected in series with the main connecting rope 10 of the self-floating body 1, and the self-floating body connecting ring 23 is also bound on the self-floating body 1 by adopting a first locking rope 26 (phi 1.5cm polyethylene rope);
the curtain cloth weights 3 are connected with curtain cloth weight connecting rings 24 on the curtain cloth 2 at intervals of 2 m; each curtain cloth pendant 3 adopts a strip stone with the weight of 20-50 kg; the curtain cloth drop 3 is connected with the curtain cloth drop connecting ring 24 by adopting a second locking rope (phi 1.5cm polyethylene rope);
the counterweight anchors 4 are connected with the two side surfaces of the top of the curtain cloth 2 by the anchor pulling ropes 40 at intervals of 10m, and each counterweight anchor 4 adopts a strip stone with the weight of 50-100 kg; the anchor line 40 is an ultra-high molecular weight polyethylene line with a diameter of 25mm and a breaking force of 25 t.
The fixed moso bamboo 5 is arranged at two sides of the curtain cloth 1, the top end of the fixed moso bamboo is exposed out of the water surface by more than 2m, the soil penetration depth is more than 4m, and the fixed moso bamboo is connected with the self-floating body connecting ring 23 through the anchor pulling rope 40 with a certain length, so that the curtain cloth 1 is prevented from being damaged due to overlarge falling tide in low tide level.
The counterweight anchors 4 can be replaced by bamboo piles. The bamboo piles are arranged by using measurement positioning in the arrangement process of inserting the bamboo piles into the seabed, so that the arrangement positions of the anti-fouling screen are also positioned at the same time, and the operation progress can be saved.
The invention relates to a layout construction method of a portable anti-fouling screen, which comprises the following steps:
(1) Before construction, measuring and positioning, adopting DGPS satellite positioning, and inserting a sight mark post to determine the erection position of the anti-fouling screen;
(2) Firstly connecting the unit curtain cloth 20 into a plurality of sections of anti-fouling screens on the bank, when the unit curtain cloth is connected, overlapping the front and the back of the adjacent unit curtain cloth in a staggered way, aligning two rows of spliced cloth connecting rings 25 on one unit curtain cloth with the two rows of spliced cloth connecting rings 25 on the adjacent unit curtain cloth, and connecting the corresponding spliced cloth connecting rings 25 through binding ropes; then connecting the curtain cloth 2 with the self-floating body 1, tying the anti-fouling screen into a large bundle at intervals by using a binding rope belt, wherein the binding rope belt adopts a phi 40mm polyethylene rope belt, and adopts a 2t stainless steel shackle to connect the binding rope belt, so that the curtain cloth 2 is prevented from winding on the self-floating body 1 when being launched; the anti-fouling screen, the curtain cloth drop 3, the counterweight anchor drop 4 and other accessories which are orderly stacked are conveyed to a working ship;
(3) The working ship in charge of anchoring is to arrange curtain cloth weights 3 and fixed moso bamboos 5 when tidal water reaches a designated position according to measurement and positioning, adjust the length of a second locking rope according to the water depth, connect the curtain cloth weights 3 with a first section of anti-fouling screen through the second locking rope after the first section of anti-fouling screen reaches the designated area, connect the curtain cloth weights with the fixed moso bamboos 5 through anchor pulling ropes 40, firstly connect the fixed moso bamboos to the side of tidal water, then connect the fixed moso bamboos to the side of tidal water so as to fix the positions of the anti-fouling screen, then throw balance weight anchors 4 to the two sides of the section of anti-fouling screen at intervals of 10m, make the balance weight anchors 4 at the two sides symmetrical as much as possible, and place rope breakage, kinking and damage of the curtain cloth 2 on the anti-fouling screen;
(4) Before the second section of the anti-fouling screen is launched, the second section of the anti-fouling screen is firstly connected with the last end of the first section of the anti-fouling screen on a deck of a working ship, launched after being bound into a big bundle, launched after being adjusted and positioned, then launched, and checked whether a curtain cloth is wound on a self-floating body or not, and after confirming that the curtain cloth is error-free, the binding rope can be unwound to release the curled state of the anti-fouling screen; and the like, completing the layout of the antifouling screen with the required length;
(5) After the arrangement, the anchor rope on the anti-fouling screen is adjusted according to the water depth and the tide level, so that the proper distance between the bottom end of the anti-fouling screen and the seabed is kept, the gap between the bottom end of the anti-fouling screen and the seabed at the high tide level is controlled to be 0.20m, and the normal use of the anti-fouling screen is ensured.
The portable anti-fouling screen and the layout construction method thereof have the following characteristics:
1. the curtain cloth floats above the water surface from the middle upper part of the floating body, and is under the action of self gravity and curtain cloth fall, so that the curtain cloth is under the water surface and approaches the water bottom, and a screen structure is integrally formed, so that pollutants (including wastes, floating organisms, silt and the like) can be effectively intercepted, the water area to be protected is effectively isolated from the outside construction water area or the polluted water area, and the influence of the pollutants on the water area to be protected is prevented;
2. the curtain cloth adopts 400g/m 2 The geotextile is made of the geotextile, has good water permeability and strong tensile strength, can float along with waves to relieve the tearing and damaging effects of the waves on the antifouling screen, prolongs the service life, has low cost and can effectively block the diffusion of suspended matters or silt;
3. the anti-fouling screen is transversely provided with stress elements such as a main connecting rope, a transverse reinforcing belt, a counterweight piece and the like, is longitudinally provided with stress elements such as a longitudinal reinforcing belt and the like, bears acting force generated by wind, wave and current in water, has higher strength and is suitable for operation in harsher water areas;
4. the self-floating body is made of foamed plastic with stable property in seawater, and the buoyancy stability is not easy to lose.
5. The arrangement of the anti-fouling screen is positioned and connected according to the position of the fixed moso bamboo.
The above embodiments are provided for illustrating the present invention and not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention, and thus all equivalent technical solutions should be defined by the claims.
Claims (9)
1. A portable anti-fouling screen comprises a self-floating body, a curtain cloth pendant, a counterweight pendant and a fixed moso bamboo, and is characterized in that,
the self-floating bodies are connected in series on the main connecting rope at intervals of 15 cm;
the curtain cloth adopts 400g/m 2 The geotextile manufacture method comprises the steps that a 3cm wide transverse stiffening belt is sewn at the upper end, the lower end and the middle part of a curtain cloth in the vertical width direction, a 3cm wide vertical stiffening belt is sewn at each 1m interval in the length direction, the upper end of each vertical stiffening belt is connected with a self-floating body connecting ring, and the lower end of each vertical stiffening belt is connected with a curtain cloth pendant connecting ring; the curtain cloth is connected in series on the main connecting rope through the self-floating body connecting ring and is connected with the self-floating body through the first locking rope;
the curtain cloth weights are connected with curtain cloth weight connecting rings on the curtain cloth in a mode of 2m spacing through second locking ropes; each curtain cloth pendant adopts a strip stone with the weight of 20-50 kg;
the counterweight anchors are connected with the two side surfaces of the top of the curtain cloth by anchor ropes at intervals of 10m, and each counterweight anchor adopts a strip stone with the weight of 50-100 kg;
the fixed moso bamboo is arranged on two sides of the curtain cloth, the top end of the fixed moso bamboo is exposed out of the water surface by more than 2m, the soil penetration depth is more than 4m, and the fixed moso bamboo is connected with the self-floating body connecting ring through a pull anchor rope with a certain length.
2. The portable anti-fouling screen according to claim 1, wherein the curtain is formed by splicing a plurality of unit curtain, the length of each unit curtain is 20m, one end of each unit curtain is provided with a plurality of spliced connecting rings at intervals and uniformly sewn on two vertical stiffening belts, and the back surface of the other end of each unit curtain is provided with a plurality of spliced connecting rings at intervals and uniformly sewn on the corresponding positions of the two vertical stiffening belts.
3. The portable anti-fouling screen of claim 1 wherein the self-floating body is made of foamed plastic; the main connecting rope adopts a round steel wire rope with the diameter of 20 mm.
4. The portable anti-fouling screen of claim 1 wherein the anchor line is an ultra high molecular weight polyethylene line having a diameter of 25mm and a breaking force of 25 t.
5. The portable anti-fouling screen of claim 1 wherein the first locking rope and the second locking rope each employ Φ1.5cm polyethylene rope.
6. The portable anti-fouling screen of claim 1 wherein the weight anchors are replaced with bamboo piles.
7. The laying construction method of the portable anti-fouling screen is characterized by comprising the following steps of:
(1) Before construction, measuring and positioning, adopting DGPS satellite positioning, and inserting a sight mark post to determine the erection position of the anti-fouling screen;
(2) Firstly connecting unit curtain cloth into a plurality of sections of anti-fouling screens on the bank, when the unit curtain cloth is connected, overlapping the front and the back of the adjacent unit curtain cloth, aligning two rows of spliced cloth connecting rings on one unit curtain cloth with the two rows of spliced cloth connecting rings on the adjacent unit curtain cloth, and connecting the corresponding spliced cloth connecting rings through connecting ropes; then connecting the curtain cloth with the self-floating body, and tying the anti-fouling screen into a large bundle at intervals by using a tying rope belt to ensure that the curtain cloth is not wound on the self-floating body when the curtain cloth is in water supply; conveying the orderly stacked anti-fouling screen, curtain cloth drop, counterweight anchor drop and other accessories to a working ship;
(3) The working ship in charge of anchoring is provided with curtain cloth pendants and fixed moso bamboos when tidal water reaches a designated position according to measurement and positioning, the length of a second locking rope is adjusted according to the water depth, after a first section of anti-fouling screen reaches a designated area, the curtain cloth pendants are connected with the first section of anti-fouling screen through the second locking rope and are connected with the fixed moso bamboos through anchor ropes, the curtain cloth pendants are firstly connected with the fixed moso bamboos which are towards the side of tidal water, then are connected with the fixed moso bamboos which are towards the side of tidal water, so as to fix the positions of the anti-fouling screen, and then counterweight anchoring pendants are thrown towards the two sides of the section of anti-fouling screen according to the interval of 10 m;
(4) Before the second section of the anti-fouling screen is launched, the second section of the anti-fouling screen is firstly connected with the last end of the first section of the anti-fouling screen on a deck of a working ship, launched after being bound into a big bundle, launched after being adjusted and positioned, then launched, and checked whether a curtain cloth is wound on a self-floating body or not, and after confirming that the curtain cloth is error-free, the binding rope can be unwound to release the curled state of the anti-fouling screen; and the like, completing the layout of the antifouling screen with the required length;
(5) After the arrangement, the anchor rope on the anti-fouling screen is adjusted according to the water depth and the tide level, so that the bottom end of the anti-fouling screen is kept at a proper distance from the seabed, and the normal use of the anti-fouling screen is ensured.
8. The method for installing and constructing a portable anti-fouling screen according to claim 1, wherein in the step (2), the binding rope is a polyethylene rope with a diameter of 40mm, and the binding rope is connected by a 2t stainless steel shackle.
9. The method for laying and constructing a portable type anti-fouling screen according to claim 1, wherein the gap between the bottom end of the anti-fouling screen and the sea floor at the high tide level is controlled to be 0.20m when the step (5) is carried out.
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| CN201711485880.6A CN108086267B (en) | 2017-12-29 | 2017-12-29 | Portable anti-fouling screen layout construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711485880.6A CN108086267B (en) | 2017-12-29 | 2017-12-29 | Portable anti-fouling screen layout construction method |
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| CN108086267A CN108086267A (en) | 2018-05-29 |
| CN108086267B true CN108086267B (en) | 2023-12-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109958114B (en) * | 2019-04-09 | 2020-09-08 | 泰州市金海运船用设备有限责任公司 | Construction method of underwater arresting net |
| CN110220499B (en) * | 2019-05-28 | 2022-01-07 | 潍坊新力蒙水产技术有限公司 | Seabed searching and drawing system |
| CN112726533B (en) * | 2020-12-24 | 2022-06-03 | 中国水电基础局有限公司 | Antifouling screen construction method for plain river channel environment-friendly dredging engineering |
| CN114319269A (en) * | 2022-01-24 | 2022-04-12 | 青岛华海环保工业有限公司 | Improved underwater antifouling screen |
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