CN102322062A - Transportation and installation process of base barrel body of barrel type breakwater - Google Patents
Transportation and installation process of base barrel body of barrel type breakwater Download PDFInfo
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- CN102322062A CN102322062A CN201110165318A CN201110165318A CN102322062A CN 102322062 A CN102322062 A CN 102322062A CN 201110165318 A CN201110165318 A CN 201110165318A CN 201110165318 A CN201110165318 A CN 201110165318A CN 102322062 A CN102322062 A CN 102322062A
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Abstract
The invention discloses a transportation and installation process of a base barrel body of a barrel type breakwater, wherein the base barrel body is hauled to a construction field through a tugboat and a semi-submerged barge; a floating air bag is arranged on the base barrel body; the balance of the base barrel body is adjusted by inflating the floating air bag; and the base barrel body is sunk by deflating the floating air bag. After the technical scheme is adopted, because the semi-submerged barge is adopted to transport the base barrel body, the base barrel body is transported more stably and quickly; because of the large tonnage semi-submerged barge, the base barrel body can be transported under the condition with large stormy waves; and due to the floating air bag, the processes of the floating, the installation and the positioning of the base barrel body can be effectively controlled and kept balanced all the time.
Description
Technical field
The present invention relates to the harbour preventive works, particularly the carrying and the mounting process of a kind of barrel of formula mole basis staving.
Background technology
Usually can use a kind of novel mole bucket formula member in the construction of existing coastal waters breakwater engineering; Usually constitute by a basic staving and several top stavings; The basic staving of this bucket formula member is formed by reinforced concrete prefabricated usually, light hundreds of ton then, heavy then thousands of tons of.How such large scale structure is transported to from prefabricated place and pre-buriedly establishes ground and just accurately install that the location is a difficult problem.
Conventional method is general to adopt large-scale hanging device that prefabricated component is lifted on the barge, has barge to be transported to the erecting bed, hangs onto mounting points by hanging device peculiar to vessel again, adopts then to vacuumize and the mode that loads of pressurizeing sinks down into this structure in the earth.This method adopts large ship and hanging device on the one hand, and cost is very high, and on the other hand, work progress is complicated, inefficiency, and be difficult to guarantee installation quality.
Chinese patent CN1730842A discloses a kind of soft-foundation box-cylinder type infrastructure maritime air float hauling and positioning sinking mounting method, behind the water, in cylindrical shell, inflates under the prefabricated box-type suction foundation structure, makes structure float on the water surface, and it is hauled to the infield; Under the air supporting state, revolve hawser through location barge or anchor and position; During sinking; At first emit an interior gas, go into mud at dead load effect lower shell and sink, subsidence velocity and deflection situation that venting speed through controlling each and discharge quantity come control structure; Extract the interior gas of tube out through vacuum pump then and apply a power, structure continues to sink; Exert pressure through a water body in the submersible pump extraction tube in the back again, and structure continues to sink, and the water body in each all is drawn out of, and the sinking of box-type suction foundation structure installs.This method does not need large-scale lifting and ships that transport, and equipment is simple, and subsidence velocity is fast, is difficult to grasp balance but exist yet, and the delivery inefficiency can not wind and wave resistance, the problem that can't under severe weather conditions, construct.
Summary of the invention
To the deficiency of above-mentioned prior art, the present invention adopts a kind of mole of novel bucket formula structure, and proposes the carrying and the mounting process of a kind of barrel of formula mole basis staving, makes every effort to make the construction of mole to accomplish practicality, economy, efficient.
For this reason, the technical scheme taked of the present invention is following:
The carrying and the mounting process of a kind of barrel of formula mole basis staving, said bucket formula mole is made up of bucket formula member and river bottom protection structure, and said bucket formula member is made up of basic staving and 2 top stavings of 1 band top board; Basis staving ovalize, the upper end is provided with top board, lower ending opening; Through 9 separations of separator lined, said separation all is provided with vent valve, the pre-buried within the walls outward bath pipeline of basic staving in the staving of basis; Basis staving bottom outside is established the suspension ring that are used to bind rope; 2 top stavings are circular, are located on the basic staving top board, and the carrying and the installation of basic staving comprise:
1) basic staving go out fortune: basic staving in prefabricated place prefabricated completion and reach predetermined strength after; Adopt the special equipment and the passage of going on board that it is carried to half latent refuting; After the operation of going on board is accomplished; Some transportation by driving air bags are installed in around the basic staving, dive by tugboat haul half and refute the job site;
2) basic staving rise floating: near the center dive hole is set in the mole inboard, basic staving by position, tugboat traction to dive hole in place after, in the transportation by driving air bag, inflate; The half latent setting-out of refuting makes the partly latent dive of refuting; Dive and refute dive when satisfying the desired depth of water of staving transportation by driving when half, stopping half and diving and refutes dive, continuation floats staving to airbag aeration; Half latent refuting left in the bottom, slowly inflates the floading condition of adjusting drum through the transportation by driving air bag to different edge;
3) installing and locating of basic staving: adopt flat board to refute and refute, comprising as location side:
(1) first basic staving is installed:
1. refute and before basic staving arrives, use GPS in location, side, installation site location side;
2. when the haul of basic staving is refuted near location side, refute to location side by the basic staving of the ship pushing tow of weighing anchor and to draw close.The logical simultaneously two φ 80 nylon cables of tender connect the windlass that basic staving and location side are refuted, and tugboat unties the mooring rope, and utilizes the folding and unfolding of this hawser, control basic staving and rely on location side and refute;
3. after basic staving leaned on surely, the windlass that operation location side is refuted utilized the nylon cable that is connected with basic staving, accurately locatees the axial location of basic staving, and the vertical axis direction is refuted anchor point based on the side and positioned;
(2) other basic staving is installed:
1. basic staving traction is before the installation site, and near the top flow path direction pendulum position 50～100m of installation site is refuted by location side;
The logical cable of tender is refuted to location side when treating 2. that tugboat draws basic staving and refutes near location side, and refute and moves to by the basic staving location side, the tugboat disengaging of untying the mooring rope then;
3. refute through the folding and unfolding anchor hawser and position location side, and jacking basis staving is located at axis direction, and the operation windlass shrinks both sides hawser located lateral;
4) sinking of basic staving: basic staving through the accurate positioning confirmation of GPS errorless after; Open the venting of transportation by driving air bag valve basic staving is sunk, untie after the venting of symbol fortune capsule finishes and bind rope, detach air bag, then open the vent valve valve of basic each separation of staving and slowly exit; When basic staving sinks down into apart from mud face 30cm; Valve-off stops venting, after meeting design requirement through GPS affirmation bucket body structure position, opens the valve exhaust once more and buries; When bucket body structure buries the generation inclination, adjust through the valve that opens and closes corresponding site; Use self-priming dredge pump drainage sink, the side elder generation that staving sinks little starts the big rear flank draining of sinking; Through each survey mark elevation of the continual observation bucket of GPS measuring apparatus top; Through inclinometer monitoring tilting value,, adjust each switch pump at any time through the adjustment of pump system; Continue adjustment staving fall rate and carry out leveling and correction, close when the anhydrous discharge of dredge pump and when having mud to occur; When tidal level reaches day neap, open dredge pump once more, utilize tidal level to change to reduce buoyancy the compound action check staving that increases the sinking load whether to continue to sink; Keep 30～60min, it is motionless that if structure keeps, and then sinks to finishing; Be guarantee test; As sinking can not reach predetermined elevation, use high-pressure hydraulic pump to reduce end resistance through the pre-buried bath pipeline bath of staving exterior wall, basic staving is sunk to set the meter degree of depth.
Said transportation by driving air bag comprises the be symmetrically distributed two large-scale air bags of being located at said basic staving two ends and the small-sized air bag of being located at said basic staving both sides, and said large-scale air bag has consistent radian with said basic staving.
Said large-scale air bag and said small-sized air bag are equipped with an inflation inlet and an outlet valve.
During use the transportation by driving air bag is bound on the suspension ring of said basic staving peripheral hardware through rope, thereby use an air compressor machine in the gasbag chamber of transportation by driving air bag, to inflate through the inflation inlet that tube connector connects the transportation by driving air bag.
Adopt technique scheme; Because use half is dived to refute and carried basic staving, so make that the handling process of basic staving is more steadily quick, and because half latent tonnage of refuting is huge; Make the present invention under the bigger weather of stormy waves, to move; The most important thing is that the use of transportation by driving air bag can be effectively controlled the floating installing and locating process that reaches of rising of basic staving, keeps basic staving to be in equilibrium state always.
Description of drawings
Fig. 1 is the plan view of the bucket formula mole that adopts of the present invention.
Fig. 2 is the vertical view of basic staving among the present invention.
Fig. 3 is a construction flow chart of the present invention.
Fig. 4 is that the present invention basis staving goes out to transport process chart.
Fig. 5 is that the present invention plays floating process flow figure.
Fig. 6 is that basic staving is hauled out the half latent sketch map of refuting among the present invention.
Fig. 7 is first basic staving location sketch map among the present invention.
Fig. 8 is other basic staving location sketch map among the present invention.
Fig. 9 is a basic staving drainage sink sketch map among the present invention.
Figure 10 is the sketch map of basic staving high-pressure water pipeline among the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete accompanying drawing and embodiment, further set forth the present invention.
Embodiment:
In the present embodiment, design water level is following:
Design high-water 5.41m (climax cumulative frequency 10%)
Design low water stage 0.47m (low tide cumulative frequency 90%)
Plan to build barrel formula mole position depth of water about-5m.
Like Fig. 1, shown in Figure 2, in the present embodiment, each group bucket formula member axis direction length is 20m, and the installing space between two adjacent groups foundation structure is 1.0m, top staving spacing 10cm～20cm.
The yardstick of basis staving is: the major axis 30m of the oval basic staving of lower floor, minor axis 20m, height 9.0m, exterior wall wall thickness 40cm, the wall thickness 30cm of dividing plate, the thick 40cm of top board; Top staving bucket wall thickness 35cm, the high 15.28m of bucket.
Every group of overall yardstick of bucket formula member typical case is long 30.0m, wide 20.0m, high 24.68m, 2709 tons of structure gross weights.Structure installed position typical case mud face absolute altitude be-5.00m, and barrel end absolute altitude of the basis after structure sinks to putting in place is about-14.18m, and design of breakwater top mark height is 10.50m.
Mole adopts piece stone river bottom protection, and both sides river bottom protection piece stone is the piece stone of two-layer 400～600kg, and effective width is 15.0m.The river bottom protection piece stone scope of dike termination strengthens, and adopts the piece stone river bottom protection of two-layer 400～600kg in the end structure periphery 45m scope.
Fig. 3 has shown construction technology process of the present invention, and the detailed process that the present invention implements is following:
1) basic staving go out fortune: as shown in Figure 4; After prefabricated basic staving reached fortune intensity, the movable bed die in both sides falls behind down through jack to be extracted out, and air bag is worn in manual work; With fork truck traversing pallet is put into basic staving below; Inflation traction is traversing to be gone out to transport on the designated lane to basic staving, carries out vertically moving to the harbour direction under then intermediate tray, vertical shift air bag being put into basic staving, and half dives refutes the alongside harbour and take bank and cast anchor; Through air bag basic staving is carried on the deck, dives with tugboat traction half and refute to the job site.Concrete steps are following:
(1) to play pier traversing for basic staving
Play inspection air supply system before the pier, comprise air compressor machine running, steam line, joint, valve, pressure meter etc., trailer system, comprise hoist engine, wire rope, shackle, snap ring, ridge etc., clean out the sharp object of wan access and caisson bottom.Wire rope binding position is from the about 1.3m of bed die place, and adjustment wire rope both sides equal in length is connecting haulage cable.With air bag and pallet neat be aligned to both allocations, all air bags are worn after the shop accomplishes, balanced inflation makes basic staving jack-up middle part base plate break away from bed die, then valve-off is checked air gauge one by one, single then airbag aeration makes air pressure consistent.After checking that basic staving bottom no-sundries and each item preparation are errorless, start the rack winch group, the tension haulage cable is traversing, draws to the vertical shift passage, completes the vertical shift air bag in advance, promotes intermediate tray to basic staving bottom with loader.Vertically behind the airbag aeration, the both sides air bag deflation is extracted chassis and air bag out.
(2) vertical shift is gone on board
The vertical shift distance is longer, goes out the preceding same inspection air feed of fortune, draws, goes out wan access etc., connects haulage cable; Binding slide tail wire rope; Wear airbag aeration and start shipment, haulage cable is stressed when moving, and starts slide tail elevator unit and makes slide tail wire rope be in relaxed state a little; Note the top lifting height (preceding high back is low) of each air bag of adjustment in the moving process, keep the verticality and the stationarity of caisson.Slide tail wire rope follow-up in service neither contends with haulage cable, can limit basic staving again and lean forward.Put the place ahead air bag in advance, after pallet arrives balloon positions, begin inflation, can stop traction during inflation and treat that air pressure reaches after the pressure values in traction again, opens drain tap when the air bag of back is about to leave pallet.Repeat above step, move to the precalculated position until basic staving.
Before first is dived and refutes, need carry out half latent overlap joint and the preparation of refuting in advance: 1. leveling cleaning half latent refuting placed the place; 2. be ready to a pad channel-section steel or a sleeper; 3. half latent refuting overlaps the upper terminal entablature; 4. dive half and refute the hoist engine wire rope rope to pull rope.After all preparations are accomplished, refute in the vertical shift immediately, method is the same with vertical shift, whenever has an air bag to press half latent refuting; Barge all back suction is pressed Cang Shui, with the adjustment barge, when basic staving moves to stand; Pad channel-section steel or sleeper are highly propped up in the adjustment inflation, and a pad is accomplished the rear gasbag venting, extract air bag out and lift go back to the place; Remove wire rope, cleaning equipment and material, going on board finishes.
After the basis staving is gone on board and accomplished the transportation by driving air bag is transported to half latent refuting; Hang on the suspension ring of basic staving bottom outside through wire hawser; The air bag upper end is suspended on lower floor's bucket top mouth, and the lower end is pulled in lower floor bucket centre position, and the every 2m of hanging position buries a pre-embedded steel slab and welding hanging ring underground.
2) rising of basic staving floated: shown in Figure 6 like Fig. 5, tugboat haul half is dived and is refuted to the scene; Stay the position in position, dive hole; Be loaded with the Barge Self-Propelled alongside of equipment such as air compressor machine, the rubber hose mouth that launches to be contained on the air compressor machine is connected, fastens basic staving control anchor hawser with the transportation by driving air bag, and flood tide, and later half diving refuted the beginning dive; Then airbag aeration, basic staving come-up are left half latent refuting by tugboat traction basis staving.
(1) gas ducting connects the transportation by driving air bag
1. around the rubber hose interface being pulled to basic staving from Barge Self-Propelled, connect the airbag aeration mouth then respectively, should avoid heavy wear in the work progress, and the bending phenomenon, and guaranteeing that sebific duct is smooth-going, air-flow is unobstructed when guaranteeing to inflate.
2. after gas ducting connects, check that successively the sebific duct that has numbering docks situation with corresponding air compressor machine interface, guarantee that interface is gas-tight tight, numbering is correctly corresponding.
3. air compressor machine is opened air test successively by numbering, check the interior gas flow of corresponding numbering sebific duct whether normal.When noting abnormalities, reply sebific duct and pipe fitting junction inspection and maintenance.After all normal, close air compressor machine, wait for next step inflation construction.
(2) connect the control hawser
1. on the pre-buried suspension centre of 4 basic stavings, fasten hawser.And logical cable is to half latent mooring dolphin of refuting relevant position on the wall.
2. after 4 whole connections of control cables finished, the following step constructed.
3. half-and-half dive and refute the deck and clear up.
(3) basic staving rises floating
1. treat at the incoming tide, begin slowly to sink, and note controlling well the balance of hull to the sump ballast.Should keep a close eye on the hull bottom radar during dive, when half dive the hull bottom steel plate of refuting from the mud face also have 1.0m apart from the time, stop water-filling immediately.
2. after dive puts in place, open air compressor machine and in each air bag of transportation by driving air bag, inflate simultaneously.
3. in the gas replenishment process, pay close attention to each cabin air pressure whether balance and foundation structure state.In the moment that foundation structure is floated, stop inflation, and examine structure deflection situation, in time regulate each airbag aeration amount then, with the foundation structure leveling.
When 4. foundation structure was floated, 4 cables that the barge of in time controlling well is connected with foundation structure avoided foundation structure under the promotion of current, to hit high building.
5. after foundation structure was in stable condition, then continuation was slowly inflated in air bag and is made it float to basic staving drinking water 7m position.
(4) foundation structure shifts out half latent refuting
1. half dive and connect tugboat towing cable and basic staving in advance before refuting dive.
2. after having inflated floating stablizing; Start windlass and slowly basic staving is shifted out half and dive and refute, tight hawser is with in the slow reinforcing of tugboat in the moving process, shrinks simultaneously on the tower bucket and the half latent cable that is connected of refuting; Control basic staving, guarantee that tugboat slowly and stably involves half latent refuting with basic staving.
3. treat basic staving shift out fully half dive refute after, 4 control cables are unclamped, tugboat is hauled basic staving and is driven towards location side slowly and refute.
For having guaranteed the safety of floating haul process; The speed of a ship or plane is not more than 2 joints, and 1 monitoring ship escorts in the haul process, notes observing the level scale line on the bucket wall of basis; When finding that structure tilts when serious, in time carries out tonifying Qi through air compressor machine on the Barge Self-Propelled to corresponding air bag according to incline direction.
3) installing and locating of basic staving:
(1) first basic staving is installed, and is as shown in Figure 7:
1. refute and before basic staving arrives, use GPS in location, side, installation site location side.
2. when the haul of basic staving was refuted near location side, tender led to two φ 80 nylon cables simultaneously, connects the windlass that basic staving and location side are refuted, and tugboat unties the mooring rope, and utilizes the folding and unfolding of this hawser, controlled basic staving and relied on location side and refute.
3. after basic staving leaned on surely, the windlass that operation location side is refuted utilized the nylon cable that is connected with basic staving, accurately locatees the axial location of basic staving, and the vertical axis direction is refuted anchor point based on the side and positioned.
(2) other basic staving is installed, and is as shown in Figure 8:
1. basic staving traction is before the installation site, and near the top flow path direction pendulum position 50～100m of installation site is refuted by location side.
The logical cable of tender is refuted to location side when treating 2. that tugboat draws basic staving and refutes near location side, and refute and moves to by the basic staving location side, the tugboat disengaging of untying the mooring rope then.
3. refute through the folding and unfolding anchor hawser and position location side, and jacking basis staving is located at axis direction, and the operation windlass shrinks both sides hawser located lateral.
4) sinking of basic staving:
(1) air bags is sunk
1. after basic staving positioning confirmation is errorless; Open and be trapped among that the outlet valve valve of transportation by driving air bag begins exhaust around the basic staving; Exhaust slowly equilibrium is carried out; At any time according to the capacity of each air bag of harmony adjustment that sinks, make basic bucket body structure all directions sinking basically identical in the sinking process.
2. in the sinking process when transportation by driving airbag gas emptying rear edge pin during near the mud face; Remove the transportation by driving air bag, haul out, accurately locate through GPS once more with tender; Check basic bucket body structure verticality through two-dimentional inclinometer; After confirming to meet design requirement, open the valve exhaust on the basic staving, make the sinking of burying of basic staving.If tidal level is lower, the basis staving buries during the air bag emptying, should when the sword pin grafts clay face 30cm, once accurately locate when control is sunk, and controls basic staving then and slowly sinks.
3. because the discrepancy in elevation of former mud face and soil property are uneven, the sinking of burying of basic staving can produce tilt displacement.Through inclinometer monitoring inclination situation, require as finding to surpass, should close the valve of corresponding site and adjust, guarantee that basic staving is straight to accomplish the phase I stably and sink.
(2) drainage sink, as shown in Figure 9
1. after accomplishing above-mentioned work,, carry out drainage sink when in the basic staving during water body jacking basis staving top board; The little side of foundation structure sinking is opened dredge pump earlier, and a rear flank that sinks big starts, continual observation bucket wall level scale line; At any time feedback through the control of pump system, is adjusted each switch pump at any time; Guarantee that the balance of structure sinks, until near design elevation.
2. work as the anhydrous discharge in self-priming dredge pump exit and have mud to occur, can close each dredge pump.
3. when tidal level reaches day neap, open pump system once more, whether the compound action check bucket body structure through deadweight and inner bucket water gravity continues to sink, and keeps 30～60 minutes, and it is motionless that if structure keeps, the end of sinking.
4. for guaranteeing to sink to reaching the pre-buried high-pressure water pipeline of design elevation staving exterior wall; Shown in figure 10; Cause deadweight and drainage sink can not reach predetermined elevation like reasons such as geology, then use the high-pressure hydraulic pump bath to reduce end resistance, basic staving is sunk to set the meter degree of depth.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the manual just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (2)
1. the carrying and the mounting process of bucket formula mole basis staving, said bucket formula mole is made up of bucket formula member and river bottom protection structure, and said barrel of formula member is made up of basic staving and 2 top stavings of 1 band top board; Basis staving ovalize, the upper end is provided with top board, lower ending opening; Through 9 separations of separator lined, said separation all is provided with vent valve, the pre-buried within the walls outward bath pipeline of basic staving in the staving of basis; Basis staving bottom outside is established the suspension ring that are used to bind rope; 2 top stavings are circular, and staving is located on the basic staving top board, and the carrying and the installation of basic staving comprise:
1) basic staving go out fortune: basic staving in prefabricated place prefabricated completion and reach predetermined strength after; Adopt the special equipment and the passage of going on board that it is carried to half latent refuting; After the operation of going on board is accomplished; Some transportation by driving air bags are installed in around the basic staving, dive by tugboat haul half and refute the job site;
2) basic staving rise floating: near the center dive hole is set in the mole inboard, basic staving by position, tugboat traction to dive hole in place after, in the transportation by driving air bag, inflate; The half latent setting-out of refuting makes the partly latent dive of refuting; Dive and refute dive when satisfying the desired depth of water of staving transportation by driving when half, stopping half and diving and refutes dive, continuation floats staving to airbag aeration; Half latent refuting left in the bottom, slowly inflates the floading condition of adjusting drum through the transportation by driving air bag to different edge;
3) installing and locating of basic staving: adopt flat board to refute and refute, comprising as location side:
(1) first basic staving is installed:
1. refute and before basic staving arrives, use GPS in location, side, installation site location side;
2. when the haul of basic staving was refuted near location side, tender led to two φ 80 nylon cables simultaneously, connects the windlass that basic staving and location side are refuted, and tugboat unties the mooring rope, and utilizes the folding and unfolding of this hawser, controlled basic staving and relied on location side and refute;
3. after basic staving leaned on surely, the windlass that operation location side is refuted utilized the nylon cable that is connected with basic staving, accurately locatees the axial location of basic staving, and the vertical axis direction is refuted anchor point based on the side and positioned;
(2) other basic staving is installed:
1. basic staving traction is before the installation site, and location side is refuted near the pendulum of the top flow path direction 50～100m of installation site position;
The logical cable of tender is refuted to location side when treating 2. that tugboat draws basic staving and refutes near location side, and refute and moves to by the basic staving location side, the tugboat disengaging of untying the mooring rope then;
3. refute through the folding and unfolding anchor hawser and position location side, and jacking basis staving is located at axis direction, and the operation windlass shrinks both sides hawser located lateral;
4) sinking of basic staving: basic staving through the accurate positioning confirmation of GPS errorless after; Open the venting of transportation by driving air bag valve basic staving is sunk, untie after the venting of symbol fortune capsule finishes and bind rope, detach air bag, then open the vent valve valve of basic each separation of staving and slowly exit; When basic staving sinks down into apart from mud face 30cm; Valve-off stops venting, after meeting design requirement through GPS affirmation bucket body structure position, opens the valve exhaust once more and buries; When bucket body structure buries the generation inclination, adjust through the valve that opens and closes corresponding site; Use self-priming dredge pump drainage sink, the side elder generation that staving sinks little starts the big rear flank draining of sinking; Through each survey mark elevation of the continual observation bucket of GPS measuring apparatus top; Through inclinometer monitoring tilting value,, adjust each switch pump at any time through the adjustment of pump system; Continue adjustment staving fall rate and carry out leveling and correction, close when the anhydrous discharge of dredge pump and when having mud to occur; When tidal level reaches day neap, open dredge pump once more, utilize tidal level to change to reduce buoyancy the compound action check staving that increases the sinking load whether to continue to sink; Keep 30～60min, it is motionless that if structure keeps, and then sinks to finishing; Be guarantee test; As sinking can not reach predetermined elevation, use high-pressure hydraulic pump to reduce end resistance through the pre-buried bath pipeline bath of staving exterior wall, basic staving is sunk to set the meter degree of depth.
2. the carrying and the mounting process of bucket formula mole according to claim 1 basis staving is characterized in that said transportation by driving air bag comprises gasbag chamber, and said gasbag chamber one end is provided with an inflation inlet, and the other end is provided with outlet valve.
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| CN103382712A (en) * | 2012-05-02 | 2013-11-06 | 中交第三航务工程勘察设计院有限公司 | Counterforted foundation bulkhead wall structure and construction method thereof |
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| CN105862658A (en) * | 2016-03-31 | 2016-08-17 | 中交第三航务工程局有限公司江苏分公司 | Double-ship counter-pulling positioning method of breakwater barrel type component |
| CN105862896A (en) * | 2016-03-31 | 2016-08-17 | 中交第三航务工程局有限公司江苏分公司 | Mounting method of breakwater barrel type component |
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| CN103382713B (en) * | 2012-05-02 | 2015-09-02 | 中交第三航务工程勘察设计院有限公司 | Foundation quay wall structure and construction method thereof |
| CN103382712B (en) * | 2012-05-02 | 2015-09-30 | 中交第三航务工程勘察设计院有限公司 | Buttress type foundation quay wall structure and construction method thereof |
| CN107201736A (en) * | 2016-03-16 | 2017-09-26 | 中交第三航务工程局有限公司江苏分公司 | A kind of bottomless many chamber structure bed die techniques |
| CN105862896A (en) * | 2016-03-31 | 2016-08-17 | 中交第三航务工程局有限公司江苏分公司 | Mounting method of breakwater barrel type component |
| CN105862658A (en) * | 2016-03-31 | 2016-08-17 | 中交第三航务工程局有限公司江苏分公司 | Double-ship counter-pulling positioning method of breakwater barrel type component |
| CN105780721A (en) * | 2016-03-31 | 2016-07-20 | 中交第三航务工程局有限公司江苏分公司 | Precasting method of single-barrel multi-bin-barrel type structural member for building breakwater |
| CN105862896B (en) * | 2016-03-31 | 2017-10-13 | 中交第三航务工程局有限公司江苏分公司 | A kind of installation method of breakwater tub component |
| CN105780721B (en) * | 2016-03-31 | 2018-01-30 | 中交第三航务工程局有限公司江苏分公司 | It is a kind of to construct method for prefabricating of the breakwater with the component of storehouse tub more than single barrel |
| CN105862658B (en) * | 2016-03-31 | 2018-04-17 | 中交第三航务工程局有限公司江苏分公司 | A kind of double ships of breakwater tub component are to drawing localization method |
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