CN106996092A - Barrier board setting method under water - Google Patents
Barrier board setting method under water Download PDFInfo
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- CN106996092A CN106996092A CN201710363215.3A CN201710363215A CN106996092A CN 106996092 A CN106996092 A CN 106996092A CN 201710363215 A CN201710363215 A CN 201710363215A CN 106996092 A CN106996092 A CN 106996092A
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- 230000004888 barrier function Effects 0.000 title claims abstract description 212
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000004575 stone Substances 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 21
- 238000007689 inspection Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 210000000481 breast Anatomy 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 11
- 239000013535 sea water Substances 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000009412 basement excavation Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000003643 water by type Substances 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
- E02B3/066—Quays
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of barrier board setting method under water, comprise the following steps：S1, the construction according to breakwater and fence slabstone the bed course gradient, calculate center point coordinate when each piece of barrier board is laid, and draw barrier board according to the coordinate parameters and lay floor plan；S2, barrier board positioning framework lifted by crane in place, laying floor plan according to barrier board carries out location control to barrier board posting, and barrier board positioning framework is using 4 points of lifting methods liftings of steel wire rope；S3, barrier board is positioned in barrier board positioning framework, barrier board is fallen into behind the bottom of positioning framework, discharges barrier board.GPS measurements are positioned with reference to barrier board positioning framework, and hand fit carries out fixed point placement.The application of construction technology is laid by barrier board under water, engineering construction overall process is in safe and stable, quick, orderly controllable state.The present invention provides one kind can be in the case where rough swell wave, seawater be muddy, the construction method of accurate discharge barrier board.
Description
Technical field
The present invention relates to a kind of breakwater underwater construction field, particularly a kind of barrier board setting method under water.
Background technology
Breakwater is mainly used in defence wave, the attack of sleet, goes along with sb. to guard him basin, ensures that waters is steady in port, to protect port
Mouthful from bad weather influence, for ship provides steadily, safe berth and operating condition.
In recent years, coastal area constantly meet with violent typhoon attack, most of design of breakwater time limit for a long time and wind and wave resistance level
Relatively low, when meeting with violent typhoon attack every time, breakwater all can be by different degrees of damage.It regard large-scale barrier board as breakwater
Off-lying sea side river bottom protection can strengthen the intensity of breakwater, improve the ability of defence wave.But, it regard large-scale barrier board as breakwater
Off-lying sea side river bottom protection, which there is no in precedent, marine traffic engineering quality acceptance standard, does not have related specifications standard yet.Large-scale barrier board is placed on
Breakwater off-lying sea side is firstly the need of the foundation excavation that barrier board is carried out in off-lying sea side, and then progress block stone bed course is levelling, finally exists
Barrier board is laid under water.There is barrier board arrangement and just straggly, portion cavity, barrier board occurs in the underwater construction of barrier board
Discharge is irregular.Because seawater is muddy, using fine definition underwater camera under water 3m when it is fuzzy with regard to one.If using
Side scan sonar, then can not be imaged, it is impossible to guiding construction immediately.Accordingly, it is desirable to provide a kind of can be unrestrained in rough swell, seawater muddiness
In the case of, the construction method of accurate discharge barrier board.
The content of the invention
The present invention enters in view of the above-mentioned problems, propose a kind of rough swell wave, seawater be muddy, under the inferior severe sea condition of deep water
Row barrier board setting method under water.
The technical scheme that the present invention takes is as follows：A kind of barrier board setting method under water, comprises the following steps：S1, basis
The construction of breakwater and the gradient of fence slabstone bed course, center point coordinate when each piece of barrier board of calculating is laid, and according to
The coordinate parameters draw barrier board and lay floor plan；S2, barrier board positioning framework lifted by crane in place, laid according to barrier board
Floor plan carries out location control to barrier board posting, and barrier board positioning framework is using 4 points of lifting method liftings of steel wire rope；
S3, barrier board is positioned in barrier board positioning framework, barrier board is fallen into behind the bottom of positioning framework, discharges barrier board.
This breakwater includes shared three-level shoulder, the oblique slope of two-stage, including one-level shoulder, two grades of shoulders and three-level shoulder
Platform, the oblique slope of one-level and two grades of oblique slopes.Block stone bed course in the present invention is thick using 500mm, 40~80kg of gap gradation
Block stone, 1 is buried under deep water：8.5 slope.Block stone bed course position is arranged on the off-lying sea side of three-level shoulder, inclines with certain
Rake angle, for placing barrier board, strengthens resistivity of the breakwater to typhoon.Breakwater off-lying sea side slope pin is entered using barrier board
Row river bottom protection, slope uses accropode blocks bank protection.The strength grade of concrete of precast fence plate is C30, under water barrier board
It is close to outermost and turns round the rows of Wang Anfang 3.Barrier board is divided into 2 kinds, respectively straight line segment standard barrier board, the trapezoidal fence of dike head arc section
Plate, wherein straight line segment standard barrier board size are 5.12m × 6.4m × 1m, monolithic 16.5m3；The trapezoidal barrier board of dike head arc section
3 kinds of size, respectively 4.12m/4.68m × 6.4m × 1m, 4.68m/5.24m × 6.4m × 1m, 5.24m/5.8m × 6.4m ×
1m, single-row 49.34m3.Barrier board, which is laid, uses 160t crane ship handlings, and GPS measurements are determined with reference to barrier board positioning framework
Position, hand fit carries out fixed point placement.The application of construction technology is laid by barrier board under water, engineering construction overall process is in peace
Entirely, controllable state stably, quickly, orderly.The present invention provides one kind can be in the case where rough swell wave, seawater be muddy, accurately
Discharge the construction method of barrier board.
By barrier board under water lay construction technology application, engineering construction overall process be in it is safe and stable, quick, have
The controllable state of sequence, construction quality is all qualified, is that the reparation of completion on schedule of safe flood and breakwater lays the foundation, and without peace
Full production accident occurs, and also complains event without environment, the favorable comment of obtained taking part in building each side and various circles of society.
Optionally, it is further comprising the steps of before step S1 progress：
Also include S01, the irregularity degree to block stone bed course to carry out an acceptance inspection, the standard of block stone bed course acceptance(check) is out-of-flatness
Degree is no more than ± 375mm.
Before barrier board is laid under water, first have to carry out the foundation excavation of barrier board, on the basis of foundation excavation, enter
The levelling construction of row block stone bed course, the levelling of block stone bed course is divided into slightly flat and carefully put down, after carefully putting down, such as injustice of fruit block stone bed course
Whole degree is acceptance(check) no more than ± 375mm.Strict acceptance procedures, after jackstone bed course acceptance(check) is ensured, then are carried out
Barrier board is laid, to ensure that barrier board lays flatness.After the levelling acceptance(check) of block stone bed course, select in low tide, small stormy waves
Period carries out the construction that barrier board is laid under water, with the influence for avoiding the depth of water, surging to block positioning precision.
Optionally, it is further comprising the steps of before S1 is carried out after step S01 progress：
S0, place some rows in three-level shoulder inboard and turn round king's blocks, some rows are placed under two grades of slopes and turn round king's blocks.Three
Level shoulder is inboard and outside is placed with torsion king's block respectively, is placed first in three-level shoulder inboard before barrier board is laid under water
One row turns round king's block, then places under two grades of oblique slopes four rows torsion king's block.In three-level shoulder inboard and two grades of oblique slopes
Lower place turns round king's block, is that because in the presence of rough swell wave, breakwater is waved than larger, place turn round king's block purpose be for
Increase self gravitation, prevents from waving.
Optionally, after step S3, in addition to S4, some rows are placed on the outside of three-level shoulder turn round king's blocks.Three-level shoulder
The row of outside one turns round king's block and laid after after barrier board placement, in order to the inboard sideline smooth degree control of barrier board.
Optionally, following steps are specifically included in S2：S21, barrier board positioning framework are using 4 points of lifting methods of steel wire rope
Lifting, rope is fastened in framework, assists framework positioning；S22, lower water feel framework and have laid barrier board and inner side torsion king's block
Between tight ness rating, realize the close drop-over of adjacent surface of barrier board.Barrier board positioning framework is risen using 4 points of lifting methods of steel wire rope
Hang, hand fit's hook, unhook, to ensure the stability during positioning framework lifting, are two ropes on framework, are being risen
Weight ship fore sets special messenger's traction rope, assists framework positioning.Water feels framework and has laid barrier board and three-level shoulder under diver
The inboard tight ness rating turned round between king's block of platform, if undesirable, readjusts framework to meeting requirement.
Optionally, following steps are specifically included in S3：
S31, two positioning towed ropes of end setting in barrier board, make barrier board floor projection be located in posting, surely
Laid under water along framework after fixed；
Under S32, barrier board after water, prepare break off relations before carry out submarine inspection again, it is ensured that barrier board under water not with
Barrier board positioning framework is hooked and hung the situation at angle；
S33, carry out the arrangement sequence number in length and breadth that every piece of barrier board is indicated in installation record form, form.
Four steel wire ropes are separately fixed at two crossbeam inside barrier board by barrier board lifting using hand fit's hook
Lift by crane at both ends.Rotary hoist, barrier board is slowly hoisted to above framework, it is steady after, be slowly put into inframe, on earth after steel wire
Rope is packed up using automatically-unhooked technology under water, and next piece of placement is carried out successively.Automatically-unhooked technology can be realized to be entered at a distance
Row release function, not only avoids operating personnel from plunging into the commercial sea closely and is operated, while may insure the safety of staff.To keep away
Exempt from barrier board to rotate during lifting, two positioning towed ropes are set in barrier board end, make barrier board floor projection just
In positioning framework, laid under water along framework after stabilization.Water will prepare to arrange again when unhook under barrier board
Water inspection under diver, it is ensured that barrier board does not produce the situation for being hooked and hanging angle with fence board mounting stand under water, prevents grid
Breast board drives mounted barrier board to be shifted over and drive when displacement.Barrier board install when, adjacent block must it is closely coupled,
Adjacent surface drop-over, the row's barrier board of inner side one is close to turn round king's block placement sideline.Meanwhile, block-by-block carries out installation record.Installation
Each installation block, block starting mileage, the arrangement sequence number in length and breadth of block are indicated in appropriate cards, form using installing to record.
Optionally, the barrier board installation frame places the barrier board in the middle of three pieces of barrier boards, first installation frame simultaneously, then
The barrier board of breakwater side is laid, the barrier board of off-lying sea side is finally laid.Three pieces can be prevented in barrier board installation frame simultaneously
The reason for barrier board, barrier board for first placing centre, is, after the barrier board at middle part is put well, and framework is difficult displacement.
Optionally, the barrier board posting welds assembled using square steel.The outer framework of barrier board posting using 10 ×
10 × 1cm square steel, inframe diagonal brace uses 6 × 6 × 0.6cm square steel.Straightway installation frame makes 2, housing chi suitable for reading
It is very little：Long 21.0m × wide 5.72m；Lower mouth housing size：Long 20.20m × wide 5.52m；It is high：9.0m~11.5m.Arc section is installed
Frame manufacture 2, housing size suitable for reading：Long 21.0m × wide 6.4m~4.72m；Lower mouth housing size：Long 20.20m × wide 6.2m
~4.52m；It is high：9.0m~11.5m.Barrier board positioning framework welds assembly on precasting yard concrete terrace, is used after completing
Dike root is transported to fork truck lift, is then got rid of with 260t crawler cranes to the beach of inner harbor side, treats high water time, placement area is transported to crane ship
Domain.Barrier board posting includes framework body, and the framework body has dividing plate, by barrier board posting be divided into three it is relatively only
Vertical space, for placing barrier board.The side wall of the framework body is engraved structure, and the effect of engraved structure is to reduce stormy waves
To the impulsive force of posting, there are multiple inclination diagonal braces on the side wall of framework body, the effect of the diagonal brace is to strengthen barrier board
The intensity of posting.
Optionally, the placement using unicast fast sounding system, DGPS measuring systems, side scan sonar detection system to barrier board
Quality is detected.The standard of measurement detection is no more than 500mm for the distance between barrier board, and the barrier board of same layer can not go out
Now stack.If not reaching examination criteria, lifting is re-started to barrier board and is laid.
The beneficial effects of the invention are as follows：GPS measurements are positioned with reference to barrier board positioning framework, and hand fit is pinpointed
Lay.The application of construction technology is laid by barrier board under water, engineering construction overall process is in safe and stable, quick, orderly
Controllable state.The present invention provides one kind can be in the case where rough swell wave, seawater be muddy, the construction party of accurate discharge barrier board
Method.
Brief description of the drawings：
Fig. 1 is the sectional drawing of breakwater；
Fig. 2 is the schematic diagram of barrier board positioning framework.
Each reference is in figure：
1st, one-level shoulder；2nd, one-level slope；3rd, two grades of shoulders；4th, two grades of slopes；5th, three-level shoulder；6th, barrier board；
7th, block stone bed course；8th, king's block is turned round；9th, block stone；10th, barrier board installation frame.
Embodiment：
With reference to each accompanying drawing, the present invention is described in detail.
As shown in Figures 1 and 2：A kind of barrier board setting method under water, comprises the following steps：S1, the structure according to breakwater
Make and 6 pieces of stone bed courses 7 of barrier board the gradient, calculate center point coordinate when each piece of barrier board 6 is laid, and join according to the coordinate
Number draws barrier board 6 and lays floor plan；S2, the positioning framework of barrier board 6 lifted by crane in place, plane is laid according to barrier board 6
Layout drawing carries out location control to the posting of barrier board 6, and the positioning framework of barrier board 6 is using 4 points of lifting method liftings of steel wire rope；S3、
Barrier board 6 is positioned in the positioning framework of barrier board 6, barrier board 6 is fallen into behind the bottom of positioning framework, discharges barrier board 6.
This breakwater includes shared three-level shoulder 5, two-stage slope, including one-level shoulder 1, two grades of shoulders 3 and three-level shoulder
Platform 5, one-level slope 2 and two grades of slopes 4.The bed course 7 of block stone 9 in the present invention is thick using 500mm, 40~80kg of gap gradation
Block stone 9,1 is buried under deep water：8.5 slope.The position of block stone bed course 7 is arranged on the off-lying sea side of three-level shoulder 5, with certain
Angle of inclination, for placing barrier board 6, strengthens resistivity of the breakwater to typhoon.Breakwater off-lying sea side slope pin uses fence
Plate 6 carries out river bottom protection, and slope is using the bank protection of torsion king block 8.The strength grade of concrete of precast fence plate 6 is C30, under water grid
Breast board 6 is close to outermost and turns round the rows of Wang Anfang 3.6 points of barrier board is 2 kinds, respectively straight line segment standard barrier board 6, dike head arc section
Trapezoidal barrier board 6, the wherein size of straight line segment standard barrier board 6 are 5.12m × 6.4m × 1m, monolithic 16.5m3；Dike head arc section
Trapezoidal 3 kinds of 6 size of barrier board, respectively 4.12m/4.68m × 6.4m × 1m, 4.68m/5.24m × 6.4m × 1m, 5.24m/
5.8m × 6.4m × 1m, single-row 49.34m3.Barrier board 6, which is laid, uses 160t crane ship handlings, and GPS measurements combine barrier board 6 and determined
Position framework is positioned, and hand fit carries out fixed point placement.The application of construction technology is laid by barrier board 6 under water, engineering is applied
Work overall process is in safe and stable, quick, orderly controllable state.The present invention provides one kind can be muddy in rough swell wave, seawater
In the case of, the construction method of accurate discharge barrier board 6.
By barrier board 6 under water lay construction technology application, engineering construction overall process be in it is safe and stable, quick, have
The controllable state of sequence, construction quality is all qualified, is that the reparation of completion on schedule of safe flood and breakwater lays the foundation, and without peace
Full production accident occurs, and also complains event without environment, the favorable comment of obtained taking part in building each side and various circles of society.
It is further comprising the steps of before step S1 progress in the present embodiment：
Also include S01, the irregularity degree to the bed course 7 of block stone 9 to carry out an acceptance inspection, the standard of the acceptance(check) of 9 bed course of block stone 7 is not
Flatness is no more than ± 375mm.
Before barrier board 6 is laid under water, first have to carry out the foundation excavation of barrier board 6, on the basis of foundation excavation,
The levelling construction of the bed course 7 of progress block stone 9, the levelling of the bed course 7 of block stone 9 is divided into slightly flat and carefully put down, and after carefully putting down, such as fruit block stone 9 is padded
The irregularity degree of layer 7 is acceptance(check) no more than ± 375mm.Strict acceptance procedures, ensure the acceptance(check) of jackstone bed course it
Afterwards, then carry out barrier board 6 and lay, to ensure that barrier board 6 lays flatness.After the levelling acceptance(check) of 9 bed course of block stone 7, selection exists
Low tide, small stormy waves period carry out the construction that barrier board 6 is laid under water, with the shadow for avoiding the depth of water, surging to block positioning precision
Ring.
It is further comprising the steps of before S1 is carried out after step S01 progress in the present embodiment：
S0, place some rows and turn round king's blocks 8 three-level shoulder 5 is inboard, some rows are placed under two grades of slopes and turn round king's blocks
8.Three-level shoulder 5 is inboard and outside is placed with torsion king block 8 respectively, first in three-level shoulder 5 before barrier board 6 is laid under water
Inboard places a row and turns round king block 8, then places under two grades of oblique slopes four rows torsion king block 8.In the inboard of three-level shoulder 5 and two
Level is tiltedly placed under slope and turns round king's block 8, is because in the presence of rough swell wave, waving than larger for breakwater is placed and turn round king's block
The purpose of body 8 is to increase self gravitation, prevent from waving.
In the present embodiment, after step S3, in addition to S4, some rows torsion king blocks 8 of placement on the outside of three-level shoulder 5.
One row of the outside of three-level shoulder 5 turns round king's block 8 and laid after after the placement of barrier board 6, in order to the inboard sideline smooth degree of barrier board 6
Control.
In the present embodiment, following steps are specifically included in S2：S21, the positioning framework of barrier board 6 use 4 points of steel wire rope
Lifting method is lifted by crane, and rope is fastened in framework, assists framework positioning；S22, lower water feel framework and have laid barrier board 6 and inner side
The tight ness rating between king's block 8 is turned round, the close drop-over of adjacent surface of barrier board 6 is realized.The positioning framework of barrier board 6 uses steel wire rope four
Point lifting method lifting, hand fit's hook, unhook, to ensure the stability during positioning framework lifting, are two on framework
Root rope, sets special messenger's traction rope in crane ship fore, assists framework positioning.Water feels framework and has laid fence under diver
Plate 6 and the inboard tight ness rating turned round between king's block 8 of three-level shoulder 5, if undesirable, readjusting framework to satisfaction will
Ask.
In the present embodiment, following steps are specifically included in S3：
S31, two positioning towed ropes of end setting in barrier board 6, make the floor projection of barrier board 6 be located in posting,
Laid under water along framework after stable；
After S32,6 times water of barrier board, prepare to carry out submarine inspection again before breaking off relations, it is ensured that barrier board 6 does not have under water
The situation at angle is hooked and hung with the positioning framework of barrier board 6；
S33, carry out the arrangement sequence number in length and breadth that every piece of barrier board 6 is indicated in installation record form, form.
Four steel wire ropes are separately fixed at the inside two crossbeam of barrier board 6 by the lifting of barrier board 6 using hand fit's hook
Both ends lifting.Rotary hoist, barrier board 6 is slowly hoisted to above framework, it is steady after, be slowly put into inframe, on earth after
Steel wire rope is packed up using automatically-unhooked technology under water, and next piece of placement is carried out successively.Automatically-unhooked technology can realize long distance
From release function is carried out, not only avoid operating personnel from plunging into the commercial sea closely and operated, while may insure the safety of staff.
To avoid barrier board 6 from being rotated during lifting, two positioning towed ropes are set in the end of barrier board 6, the level of barrier board 6 is thrown
Shadow is laid under water just in positioning framework after stabilization along framework.6 times water of barrier board will prepare break off relations when again
Water inspection under secondary arrangement diver, it is ensured that barrier board 6 does not produce the feelings for being hooked and hanging angle with the mounting bracket of barrier board 6 under water
Condition, drives mounted barrier board 6 to be shifted over and drive when preventing barrier board 6 from shifting.It is adjacent when barrier board 6 is installed
Closely coupled, the adjacent surface drop-over of block palpus, the row's barrier board 6 of inner side one is close to turn round the placement of king's block 8 sideline.Meanwhile, block-by-block carries out peace
Dress record.Installation is recorded using installation indicates each installation block, block starting mileage, block in appropriate cards, form
Arrangement sequence number in length and breadth.
In the present embodiment, the installation frame of barrier board 6 is placed in the middle of three pieces of barrier boards 6, first installation frame simultaneously
Barrier board 6, then the barrier board 6 of breakwater side is laid, finally lay the barrier board 6 of off-lying sea side.In the installation frame of barrier board 6 simultaneously
Three pieces of barrier boards 6 can be prevented, the reason for first placing barrier board 6 of centre is that after the barrier board 6 at middle part is put well, framework is difficult
Displacement.
In the present embodiment, the posting of barrier board 6 welds assembled using square steel.The outer framework of the posting of barrier board 6
Using 10 × 10 × 1cm square steel, inframe diagonal brace uses 6 × 6 × 0.6cm square steel.Straightway installation frame makes 2, on
Mouth housing size：Long 21.0m × wide 5.72m；Lower mouth housing size：Long 20.20m × wide 5.52m；It is high：9.0m~11.5m.Circle
Segmental arc installation frame makes 2, housing size suitable for reading：Long 21.0m × wide 6.4m~4.72m；Lower mouth housing size：Long 20.20m
× wide 6.2m~4.52m；It is high：9.0m~11.5m.The positioning framework of barrier board 6 welds assembly on precasting yard concrete terrace, has made
Dike root is transported into the lift of rear use fork truck, is then got rid of with 260t crawler cranes to the beach of inner harbor side, treats high water time, use lifting shipping
To placement region.The posting of barrier board 6 can place three pieces of barrier boards 6 simultaneously, and posting is positioned over the bed course 7 of block stone 9 in seabed
After upper, the top of framework is higher than sea level, and now barrier board 6 is positioned in posting by loop wheel machine, when on earth, steel wire rope
Automatically-unhooked placement barrier board 6.
In the present embodiment, using the fast sounding system of unicast, DGPS measuring systems, side scan sonar detection system to barrier board
6 placement quality is detected.The standard of measurement detection is no more than 500mm, the fence of same layer for the distance between barrier board 6
Plate 6 can not be stacked.If not reaching examination criteria, lifting is re-started to barrier board 6 and is laid.It the foregoing is only this hair
Bright preferred embodiment, not thereby limits the scope of patent protection of the present invention, every utilization description of the invention and accompanying drawing
The effect Structural Transformation that content is made, is directly or indirectly used in other related technical fields, is similarly included in the present invention's
In protection domain.
Claims (9)
1. a kind of barrier board setting method under water, it is characterised in that comprise the following steps：
S1, the construction according to breakwater and fence slabstone the bed course gradient, calculate central point when each piece of barrier board is laid
Coordinate, and draw barrier board placement floor plan according to the coordinate parameters；
S2, barrier board positioning framework lifted by crane in place, floor plan is laid according to barrier board barrier board posting is determined
Position control, barrier board positioning framework is using 4 points of lifting method liftings of steel wire rope；
S3, barrier board is positioned in barrier board positioning framework, barrier board is fallen into behind the bottom of positioning framework, discharges barrier board.
2. barrier board as claimed in claim 1 setting method under water, it is characterised in that before step S1 progress, in addition to
Lower step：
Also include S01, the irregularity degree to block stone bed course to carry out an acceptance inspection, the standard of block stone bed course acceptance(check) for irregularity degree not
More than ± 375mm.
3. barrier board as claimed in claim 1 setting method under water, it is characterised in that after step S01 progress, S1 is carried out
Before, it is further comprising the steps of：
S0, place some rows in three-level shoulder inboard and turn round king's blocks, some rows are placed under two grades of slopes and turn round king's blocks.
4. barrier board as claimed in claim 3 setting method under water, it is characterised in that after step S3, in addition to S4, three
Some rows, which are placed, on the outside of level shoulder turns round king's block.
5. barrier board as claimed in claim 4 setting method under water, it is characterised in that following steps are specifically included in S2：
S21, barrier board positioning framework are fastened rope in framework, are assisted framework positioning using 4 points of lifting method liftings of steel wire rope；
S22, lower water feel framework and have laid the tight ness rating between barrier board and inner side torsion king's block, realize the adjacent of barrier board
The close drop-over in face.
6. barrier board as claimed in claim 1 setting method under water, it is characterised in that following steps are specifically included in S3：
S31, two positioning towed ropes of end setting in barrier board, make barrier board floor projection be located in posting, after stabilization
Laid under water along framework；
Under S32, barrier board after water, prepare to carry out submarine inspection again before breaking off relations, it is ensured that barrier board does not have and fence under water
Plate positioning framework is hooked and hung the situation at angle；
S33, carry out the arrangement sequence number in length and breadth that every piece of barrier board is indicated in installation record form, form.
7. barrier board as claimed in claim 1 setting method under water, it is characterised in that the barrier board installation frame is put simultaneously
The barrier board in the middle of three pieces of barrier boards, first installation frame is put, then lays the barrier board of breakwater side, the grid of off-lying sea side are finally laid
Breast board.
8. barrier board as claimed in claim 1 setting method under water, it is characterised in that the barrier board posting uses square steel
Welding is assembled.
9. barrier board as claimed in claim 1 setting method under water, it is characterised in that utilize the fast sounding system of unicast, DGPS
Measuring system, side scan sonar detection system are detected to the placement quality of barrier board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363215.3A CN106996092A (en) | 2017-05-22 | 2017-05-22 | Barrier board setting method under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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