CN105862896B - A kind of installation method of breakwater tub component - Google Patents
A kind of installation method of breakwater tub component Download PDFInfo
- Publication number
- CN105862896B CN105862896B CN201610197611.9A CN201610197611A CN105862896B CN 105862896 B CN105862896 B CN 105862896B CN 201610197611 A CN201610197611 A CN 201610197611A CN 105862896 B CN105862896 B CN 105862896B
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- tub component
- ship
- tub
- component
- hawser
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- 238000009434 installation Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000000740 bleeding effect Effects 0.000 claims abstract description 19
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 claims description 3
- 235000020188 drinking water Nutrition 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000013535 sea water Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims 1
- 230000009182 swimming Effects 0.000 claims 1
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000007726 management method Methods 0.000 abstract description 2
- 238000013480 data collection Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
-
- 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
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/02—Caissons able to be floated on water and to be lowered into water in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
- E02D23/10—Caissons filled with compressed air
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0061—Production methods for working underwater
- E02D2250/0084—Production methods for working underwater using pneumatical means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
A kind of installation method of breakwater tub component, four draw rings are reserved in the root of tub component, it is symmetrically arranged at the front and rear part of tub component, partly latent connects two hawsers between refuting the anterior and draw ring at tub component rear portion, partly latent connects two hawsers between refuting the draw ring at rear portion and tub component rear portion, and connection intersects hawser between the anterior draw ring of tub component and main dragging ship；After after tub component air supporting in place, by draining pump and air bleeding valve, centralized management draining, exhaust adjust the switch of each pump at any time, after the balance for ensuring tub component, continue synchronous draining, negative pressure is sunk, until bucket enters the 3.0m of mud 2.0, each draining pump is closed, sinking operation is completed.The present invention is pulled by hawser, is coordinated the huge tonnage of tub component, is realized leveling of the tub component in air supporting and installation process, and balance can be not only grasped in time, improves delivery and installation effectiveness, moreover it is possible to constructed under severe weather conditions.
Description
Technical field
The present invention relates to a kind of harbour protection works, more particularly to a kind of installation method of breakwater tub component.
Background technology
The tub component of existing breakwater is the new anti-ripple that the materials such as a kind of use concrete, reinforcing bar, steel construction make
Embankment structure form, the class formation bottomless is made up of by one the basic tub component of lid and two anti-ripple tub components.Will so
Large-scale tub component be transported to from prefabricated place pre- buried, and it is a problem to be accurately positioned and install.
It is marine that a kind of Patent No. CN 1730842A, entitled soft-foundation box-cylinder type infrastructure are disclosed in the prior art
Air supporting delivery and positioning sinking mounting method, by inflating or vacuumizing into cylinder, realize the air supporting or sinking to cylinder, though
Right this method does not need large-scale lifting and ships that transport, and equipment is simple, and subsidence velocity is fast.Meanwhile, Chinese another patent CN
The carrying for the basic tub component of tub breakwater that 102322062 B are disclosed and installation method, basic tub component pass through half
Latent refute is conveyed to job site with transportation by driving air bag, and the floating of basic tub component and installation were positioned by transportation by driving air bag
Journey can be effectively controlled, and keep basic tub component to be in poised state, because transportation by driving air bag has certain elasticity in itself,
Indirectly act on basic tub component, the holdup time can be produced, it is impossible to basic tub component is carried out in time, accurately to control
System.
The content of the invention
The technical problems to be solved by the invention are that there is provided a kind of reasonable in design, user in view of the shortcomings of the prior art
Just the installation method of breakwater tub component.
The technical problems to be solved by the invention are realized by following technical scheme, and the present invention is a kind of anti-ripple
The installation method of dike tub component, described tub component has the Long Circle staving of lid and is located on Long Circle staving including bottomless
Two anti-ripple stavings of side, short-axis direction arrangement of the anti-ripple staving along Long Circle staving, the Long Circle staving is vertical by twice
Cross wall, which separates to have, is equipped with steam vent and osculum at the top of 9 separations, each separation, two anti-ripple staving restockings are provided with behaviour
Make on platform, GPS data collection device of four angles provided with the motion of collection staving and discrepancy in elevation data of operating platform, operating platform
Provided with the one-to-one air bleeding valve of steam vent at the top of separation, steam vent connected by discharge duct with air bleeding valve, and operation is flat
The osculum that the both sides of platform are respectively provided with the top of several rows of water pump, separation is connected by drainage pipeline with draining pump, is characterized in, its
Step is,
(1) preparation of construction：
1.1 partly latents refute positioning：The marine site of tub component is being installed, when the sea water advanced partly latent that can not meet refutes dive to tub
When component swims, the dive hole that dive is refuted for partly latent is dug, partly latent is refuted to be positioned in dive hole towards installation site, has been positioned
Into defining partly latent and refute outlet port and refute front portion with tub component for partly latent；
1.2 auxiliary ship stations are in place：Tail ship, 1 station keeping ship, 3 anchor ships, 3 Liners are adjusted including 1 main dragging ship, 1
Oceangoing ship, 1 inflation ship；
The main ship that pulls is the crane ship not less than 100t, and beam requirement is in more than 20m, at least 6 windlass；
It is self-propulsion type ship to adjust tail ship, it is desirable to is refuted for flat board, there is 5 windlass；
Station keeping ship is refuted for flat board, at least 6 windlass；
Inflation ship is connected by gas ducting with the steam vent on Long Circle staving each separation；
1.3 reserve four draw rings in the root of tub component, are symmetrically arranged at the front and rear part of Long Circle staving, partly latent refutes front portion
Two hawsers in left and right are connected between the draw ring at tub component rear portion, partly latent is refuted between the draw ring at rear portion and tub component rear portion
Two hawsers in left and right are connected with, connection two intersects hawser between the anterior draw ring of tub component and main dragging ship；
(2) partly latent refutes dive：While partly latent refutes dive, the air bleeding valve on start-up operation platform, dive to tub component
0.8m is absorbed water, drinking water height is vented height for tub component air supporting stability Calculation, and control errors are treated in tub component in ± 5cm
After gas is drained, air bleeding valve is closed；After exhaust valve closure, partly latent refutes continuation dive, and 7m is absorbed water in dive to tub component, now,
Atmospheric pressure in Long Circle staving is the air gauge on 1.38 atmospheric pressure, inspection operation platform, checks whether air pressure is normal,
Observation have no change within 8-12 minute, normally after, partly latent refutes continuation dive, and dive to tub component is swum, and treats that a barrel bottom is refuted from partly latent
Clamping plate face when being 0.8-1.2m, check tub component whether there is inclinations, using inflation ship leveling tub component, tub component is floating
After trip is stable, freeboard region is 0m-1.5m, then by inflating the freeboard of ship and exhaust valve regulation tub component extremely
0.8m；
(3) tub component undocks：After tub component swims stabilization, tub component is connected to by main dragging ship synchronous
Intersection hawser, synchronous partly latent of releasing refutes hawser between rear portion and tub component rear portion, tub component slowly pulled out into partly latent
Refute, during pull-out pass through adjust pull hawser tightness, it is ensured that tub component it is steady；
(4) tub component is drawn to foundation trench：After tub component hauling-out partly latent is refuted, continue to shrink tub component and main dragging ship
Between intersection hawser to both apart from 40-60m, meanwhile, tense partly latent and refute hawser between anterior and tub component rear portion, solution
Open tub component rear portion and partly latent refute hawser between rear portion, main dragging ship by windlass receive anchor hawser it is slow by tub component bring to
In foundation trench, connection tub component and 2 hawsers between tail ship are adjusted, untie partly latent and refute hawser between tub component；
(5) pulled in tub component foundation trench：During high tide level, tub component is drawn in foundation trench, it is anterior to be pulled by main
Ship receives anchor hawser, and rear portion is slowly moved to away from installation site 90-110m by adjusting tail ship stable, and along foundation trench, reconnects tub structure
2 between part rear portion and station keeping ship middle part intersect hawser, and the two ends of station keeping ship are connected with positioning anchor by intersecting hawser, passed through
It is main pull between ship and tub component, the posture for intersecting hawser adjustment tub component between station keeping ship and tub component, make length
The long axis direction of circular staving is vertical with foundation trench, unties tub component and adjusts the hawser between tail ship, and by tub component along base
Groove is slowly pulled to away from installation site 40-60m；
(6) positioned at the beginning of tub component：At away from installation site 40-60m, tub component is kept posture, wait ebb,
When the bottom of tub component is away from mud face 1.3-1.7m, main dragging ship and station keeping ship drive tub component to installation site, tense
It is main to pull between ship and tub component, intersect hawser between station keeping ship and tub component, now, tub component and station keeping ship,
Point-blank, not timing monitoring tub member position deviation passes through the cross lines on the ship of folding and unfolding two at the main center for pulling ship
Tub component is pulled to normotopia by rope, waits ebb；
(7) it is accurately positioned, is vented sinking：Tidal level declines, when the bottom of tub component is away from mud face 0.5-0.8m, starts
It is accurately positioned, according to the position deviation of tub component, is adjusted by the hawser that intersects between two ships and tub component, in essence
It is determined that while position, the air bleeding valve on opening operation platform, tub component starts to sink under Gravitative Loads, is noted in sinking watching
The balance of meaning tub component, observes GPS readings, when the elevation difference of tub component everywhere is more than 15cm, passes through the row of control
Tolerance is carried out after leveling, balance, resynchronisation exhaust；
(8) tub component drainage sink：Exhaust sinks down into tub component and touched after mud, closes air bleeding valve, unties main dragging ship
The intersection hawser on tub component is connected to station keeping ship, draining pump is opened, it is ensured that the draining pump in each cabin all normal works,
Continue to observe GPS readings during drainage sink, when absolute altitude differs 15cm, leveling is carried out by controlling displacement, is balanced
Afterwards, continue synchronous draining, negative pressure is sunk, until bucket enters mud 2.0-3.0m, close each draining pump, sinking operation is completed.
The technical problems to be solved by the invention can also further be realized by following technical scheme, the hawser
Front section connect nylon cable.
The technical problems to be solved by the invention can also further be realized by following technical scheme, station keeping ship two
The span that end intersects the positioning anchor on hawser is more than 200m.
The present invention coordinates the Pang of tub component by being pulled between tub component and auxiliary ship station by hawser
Large-tonnage, realizes leveling of the tub component in air supporting and installation process；By double ships to drawing, rationally control on every station keeping ship
Windlass, improve tub component positioning sinking precision, by intersect hawser intersection folding and unfolding act on, tub component can be made steady
Ground carries out position adjustment, realizes precise positioning；In addition, by the GPS data collection device on four angles of operating platform, obtaining tub
The motion conditions of component, pass through draining pump and air bleeding valve, centralized management draining, exhaust, under the air supporting for fully meeting tub component
Heavy operation requires that operating personnel can be achieved with exhaust outlet on the operational platform, and monitoring cost is low, additionally it is possible to adapt to pipeline
The actual conditions such as many, circuit is miscellaneous.Compared with prior art, its is reasonable in design, simple in construction, not only can in time, accurately grasp
Balance, improves delivery and installation effectiveness, moreover it is possible to constructed under severe weather conditions.
Brief description of the drawings
Fig. 1 is the structural representation of tub component；
Fig. 2 is Fig. 1 front view；
Fig. 3 is step（5）The middle main operating diagram for pulling ship and station keeping ship.
Embodiment
The concrete technical scheme of the present invention is further described, in order to which those skilled in the art is further understood that this hair
It is bright, without constituting the limitation to its right.
A kind of reference picture 1-3, installation method of breakwater tub component, described tub component includes the bottomless length for having a lid
Circular staving 1 and two anti-ripple stavings 9 for being located at the top of Long Circle staving 1, short axle side of the anti-ripple staving 9 along Long Circle staving 1
To arrangement, by twice, the separation of partition wall 2 has 9 separations 3 to the Long Circle staving 1 in length and breadth, and the top of each separation 3 is equipped with row
Stomata 4 and osculum 6, two anti-restockings of ripple staving 9 are provided with operating platform 10, and four angles of operating platform 10 are provided with collection bucket
Body motion and the GPS data collection device 8 of discrepancy in elevation data, operating platform 10 is provided with to be corresponded with the steam vent 4 at the top of separation 3
Air bleeding valve 12, steam vent 4 connected by discharge duct 5 with air bleeding valve 12, and the both sides of operating platform 10 are respectively provided with several rows of water
Pump 11, the osculum 6 at the top of separation 3 is connected by drainage pipeline 7 with draining pump 11, and its step is,
(1) preparation of construction：
1.1 partly latents refute positioning：The marine site of tub component is being installed, when the sea water advanced partly latent that can not meet refutes dive to tub
When component swims, the dive hole that dive is refuted for partly latent is dug, partly latent is refuted to be positioned in dive hole towards installation site, has been positioned
Into defining partly latent and refute outlet port and refute front portion with tub component for partly latent；
1.2 auxiliary ship stations are in place：Tail ship, 1 station keeping ship, 3 anchor ships, 3 Liners are adjusted including 1 main dragging ship, 1
Oceangoing ship, 1 inflation ship；
The main ship that pulls is the crane ship not less than 100t, and beam requirement is in more than 20m, at least 6 windlass 14；
It is self-propulsion type ship to adjust tail ship, it is desirable to is refuted for flat board, there is 5 windlass；
Station keeping ship is refuted for flat board, at least 6 windlass 14；
Inflation ship is connected by gas ducting with the steam vent on Long Circle staving each separation；
1.3 reserve four draw rings in the root of tub component, the front and rear part of Long Circle staving are symmetrically arranged at, before partly latent is refuted
Be connected with two hawsers in left and right between the draw ring at portion and tub component rear portion, partly latent refute rear portion and tub component rear portion draw ring it
Between be connected with two hawsers in left and right, connection two intersects hawser between the anterior draw ring of tub component and main dragging ship；
(2) partly latent refutes dive：While partly latent refutes dive, the air bleeding valve on start-up operation platform, dive to tub component
0.8m is absorbed water, drinking water height is vented height for tub component air supporting stability Calculation, and control errors are treated in tub component in ± 5cm
After gas is drained, air bleeding valve is closed；After exhaust valve closure, partly latent refutes continuation dive, and 7m is absorbed water in dive to tub component, now,
Atmospheric pressure in Long Circle staving is the air gauge on 1.38 atmospheric pressure, inspection operation platform, checks whether air pressure is normal,
Observation have no change within 8-12 minute, normally after, partly latent refutes continuation dive, and dive to tub component is swum, and treats that a barrel bottom is refuted from partly latent
Clamping plate face when being 0.8-1.2m, check tub component whether there is inclinations, using inflation ship leveling tub component, tub component is floating
After trip is stable, freeboard region is 0m-1.5m, then by inflating the freeboard of ship and exhaust valve regulation tub component extremely
0.8m；
(3) tub component undocks：After tub component swims stabilization, tub component is connected to by main dragging ship synchronous
Intersection hawser, synchronous partly latent of releasing refutes hawser between rear portion and tub component rear portion, tub component slowly pulled out into partly latent
Refute, during pull-out pass through adjust pull hawser tightness, it is ensured that tub component it is steady；
(4) tub component is drawn to foundation trench：After tub component hauling-out partly latent is refuted, continue to shrink tub component and main dragging ship
Between intersection hawser to both apart from 40-60m, meanwhile, tense partly latent and refute hawser between anterior and tub component rear portion, solution
Open tub component rear portion and partly latent refute hawser between rear portion, main dragging ship by windlass receive anchor hawser it is slow by tub component bring to
In foundation trench, connection tub component and 2 hawsers between tail ship are adjusted, untie partly latent and refute hawser between tub component；
(5) pulled in tub component foundation trench：During high tide level, tub component is drawn in foundation trench, it is anterior to be pulled by main
Ship receives anchor hawser, and rear portion is slowly moved to away from installation site 90-110m by adjusting tail ship stable, and along foundation trench, reconnects tub structure
2 between part rear portion and the middle part of station keeping ship 13 intersect hawser, and the two ends of station keeping ship 13 are connected with positioning anchor by intersecting hawser,
Pass through the appearance for intersecting hawser adjustment tub component between main dragging ship 15 and tub component, between station keeping ship 13 and tub component
State, makes the long axis direction of Long Circle staving vertical with foundation trench, unties tub component and adjusts the hawser between tail ship, and by tub structure
Part is slowly pulled to away from installation site 40-60m along foundation trench；
(6) positioned at the beginning of tub component：At away from installation site 40-60m, tub component is kept posture, wait ebb, when
When the bottom of tub component is away from mud face 1.3-1.7m, main dragging ship 15 and station keeping ship 13 drive tub component to installation site, draw
It is tight it is main pull between ship 15 and tub component, intersect hawser between station keeping ship 13 and tub component, now, tub component with it is fixed
Point-blank, not timing monitors tub member position deviation, by the ship of folding and unfolding two for position ship 13, the main center for pulling ship 15
Intersection hawser tub component is pulled to normotopia, wait ebb；
(7) it is accurately positioned, is vented sinking：Tidal level declines, when the bottom of tub component is away from mud face 0.5-0.8m, starts essence
It is determined that position, according to the position deviation of tub component, is adjusted, accurate by the hawser that intersects between two ships and tub component
While positioning, the air bleeding valve on opening operation platform, tub component starts to sink under Gravitative Loads, notes in sinking watching
The balance of tub component, observes GPS readings, when the elevation difference of tub component everywhere is more than 15cm, by controlling to be vented
Measure to carry out after leveling, balance, resynchronisation exhaust；
(8) tub component drainage sink：Exhaust sinks down into tub component and touched after mud, closes air bleeding valve, unties main dragging ship
The intersection hawser on tub component is connected to station keeping ship, draining pump is opened, it is ensured that the draining pump in each cabin all normal works,
Continue to observe GPS readings during drainage sink, when tub component absolute altitude everywhere differs 15cm, by control displacement come
Carry out after leveling, balance, continue synchronous draining, negative pressure is sunk, until bucket enters mud 2.0-3.0m, close each draining pump, sink to making
Industry is completed.
The front section of the hawser connects nylon cable, and the span that station keeping ship two ends intersect between the positioning anchor on hawser is more than
200m。
Claims (3)
1. a kind of installation method of breakwater tub component, described tub component has the Long Circle staving of lid and set including bottomless
Two anti-ripple stavings above Long Circle staving, short-axis direction arrangement of the anti-ripple staving along Long Circle staving, the Long Circle
By twice, partition wall separates and has steam vent and osculum are equipped with the top of 9 separations, each separation staving in length and breadth, two anti-ripples
Staving restocking is provided with operating platform, and gps data of four angles provided with the motion of collection staving and discrepancy in elevation data of operating platform is received
Storage, operating platform is provided with passes through discharge duct and row with the one-to-one air bleeding valve of steam vent at the top of separation, steam vent
Air valve connects, and the osculum that the both sides of operating platform are respectively provided with the top of several rows of water pump, separation passes through drainage pipeline and draining pump
Connect, it is characterised in that：Its step is,
（1）Preparation of construction：
1.1 partly latents refute positioning：The marine site of tub component is being installed, when the sea water advanced partly latent that can not meet refutes dive to tub component
When swimming, the dive hole that dive is refuted for partly latent is dug, partly latent is refuted to be positioned in dive hole towards installation site, and positioning is completed,
Define partly latent and refute outlet port and refute front portion with tub component for partly latent；
1.2 auxiliary ship stations are in place：Tail ship, 1 station keeping ship, 3 anchor ships, 3 band cable ships, 1 are adjusted including 1 main dragging ship, 1
Bar inflates ship；
The main ship that pulls is the crane ship not less than 100t, and beam requirement is in more than 20m, at least 6 windlass；
It is self-propulsion type ship to adjust tail ship, it is desirable to is refuted for flat board, there is 5 windlass；
Station keeping ship is refuted for flat board, at least 6 windlass；
Inflation ship is connected by gas ducting with the steam vent on Long Circle staving each separation；
1.3 reserve four draw rings in the root of tub component, are symmetrically arranged at the front and rear part of Long Circle staving, and partly latent refutes anterior and bucket
Two hawsers in left and right are connected between the draw ring at formula component rear portion, partly latent is connected between refuting the draw ring at rear portion and tub component rear portion
There are two hawsers in left and right, connection two intersects hawser between the anterior draw ring of tub component and main dragging ship；
(2) partly latent refutes dive：While partly latent refutes dive, the air bleeding valve on start-up operation platform, dive to tub component is absorbed water
0.8m, drinking water height is vented height for tub component air supporting stability Calculation, and control errors treat gas in tub component in ± 5cm
After drained, air bleeding valve is closed；After exhaust valve closure, partly latent refutes continuation dive, and 7m is absorbed water in dive to tub component, now, oval
Atmospheric pressure in shape staving is the air gauge on 1.38 atmospheric pressure, inspection operation platform, checks whether air pressure is normal, is observed
Have no change within 8-12 minutes, it is normal after, partly latent refutes continuation dive, and dive to tub component is swum, and treats barrel bottom from the folder that partly latent is refuted
When plate face is 0.8-1.2m, check tub component whether there is inclination, using inflation ship leveling tub component, tub component swims surely
After fixed, freeboard region is 0m-1.5m, then by inflating the freeboard of ship and exhaust valve regulation tub component extremely
0.8m；
(3) tub component undocks：After tub component swims stabilization, the friendship of tub component is connected to by main dragging ship synchronous
Hawser is pitched, synchronous releasing partly latent refutes the hawser between rear portion and tub component rear portion, tub component is slowly pulled out into partly latent and refuted, is drawn
When going out pass through adjust pull hawser tightness, it is ensured that tub component it is steady；
(4) tub component is drawn to foundation trench：After tub component hauling-out partly latent is refuted, continue to shrink between tub component and main dragging ship
Intersection hawser to both apart from 40-60m, meanwhile, tense partly latent and refute hawser between anterior and tub component rear portion, untie bucket
Formula component rear portion and partly latent refute the hawser between rear portion, and main dragging ship slowly brings tub component to foundation trench by windlass receipts anchor hawser
It is interior, connection tub component and 2 hawsers between tail ship are adjusted, untie partly latent and refute hawser between tub component；
(5) pulled in tub component foundation trench：During high tide level, tub component is drawn in foundation trench, it is anterior to be received by main dragging ship
Anchor hawser, rear portion is slowly moved to away from installation site 90-110m by adjusting tail ship stable, and along foundation trench, is reconnected after tub component
2 between portion and station keeping ship middle part intersect hawser, and the two ends of station keeping ship are connected with positioning anchor by intersecting hawser, are dragged by master
Drag between ship and tub component, intersect the posture that hawser adjusts tub component between station keeping ship and tub component, make Long Circle
The long axis direction of staving is vertical with foundation trench, unties tub component and adjusts the hawser between tail ship, and tub component is delayed along foundation trench
Slowly it is pulled to away from installation site 40-60m；
(6) positioned at the beginning of tub component：At away from installation site 40-60m, tub component is kept posture, wait ebb, work as tub
When the bottom of component is away from mud face 1.3-1.7m, main dragging ship and station keeping ship drive tub component to installation site, tense main pull
Intersect hawser between ship and tub component, between station keeping ship and tub component, now, tub component and station keeping ship, main dragging
The center of ship point-blank, not timing monitoring tub member position deviation, by the intersection hawser on the ship of folding and unfolding two by bucket
Formula component is pulled to normotopia, waits ebb；
(7) it is accurately positioned, is vented sinking：Tidal level declines, when the bottom of tub component is away from mud face 0.5-0.8m, and it is accurate fixed to start
Position, according to the position deviation of tub component, is adjusted by the hawser that intersects between two ships and tub component, is being accurately positioned
While, the air bleeding valve on opening operation platform, tub component starts to sink under Gravitative Loads, and tub is noted in sinking watching
The balance of component, observe GPS readings, when the elevation difference of tub component everywhere be more than 15cm when, by control capacity come
Carry out after leveling, balance, resynchronisation exhaust；
(8) tub component drainage sink：Exhaust sinks down into tub component and touched after mud, closes air bleeding valve, unties main dragging ship and fixed
Position ship is connected to the intersection hawser on tub component, opens draining pump, it is ensured that the draining pump in each cabin all normal works, draining
Continue to observe GPS readings in sinking watching, when absolute altitude differs 15cm, carried out by controlling displacement after leveling, balance, after
Continuous synchronization draining, negative pressure is sunk, until bucket enters mud 2.0-3.0m, closes each draining pump, sinking operation is completed.
2. the installation method of breakwater tub component according to claim 1, it is characterised in that：The leading portion portion of the hawser
Tap nylon cable.
3. the installation method of breakwater tub component according to claim 1, it is characterised in that：Station keeping ship two ends cross lines
The span between positioning anchor on rope is more than 200m.
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