CN101509249B - Treatment method for soft foundation double-body pontoon and special double-body pontoon - Google Patents
Treatment method for soft foundation double-body pontoon and special double-body pontoon Download PDFInfo
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- CN101509249B CN101509249B CN2009100255391A CN200910025539A CN101509249B CN 101509249 B CN101509249 B CN 101509249B CN 2009100255391 A CN2009100255391 A CN 2009100255391A CN 200910025539 A CN200910025539 A CN 200910025539A CN 101509249 B CN101509249 B CN 101509249B
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Abstract
The invention relates to a soft foundation twin-hull pontoon processing method and a special twin-hull pontoon which is fit for reinforcing and processing the soft foundation which is dredged and filled with silt newly. The method uses the twin-hull pontoon to pull each branch pipe which is processed well on land and is bound with a plastic drainage plate according to the design requirement to the surface of the soft foundation of the area to be constructed, and then when the twin-hull pontoon returns, the plastic drainage plate bound at each branch pipe is inserted into the soft foundation. The concrete construction technical steps are as follows: the twin-hull pontoon is positioned; the branch pipes which are bound with the plastic drainage plate are pulled into the construction area by the twin-hull pontoon; the construction is carried out on the twin-hull pontoon; after all plastic drainage plates are plugged completely, each branch pipe is connected with a main pipe, and the main pipe is connected with a vacuumizing system for vacuumizing. The method can ensure that the construction personnel and the construction machine enter into the large area of soft foundation to process the newly dredged and filled field, in particular the newly dredged and filled silt field.
Description
(1) technical field
The present invention relates to a kind of treatment of soft ground method and special-purpose twin-hull pontoon thereof.Be applicable to the flabbiness ground strengthened processing of new hydraulically filled sludge.Possession base processing technology field.
(2) background technology
At present, the coastal area utilizes the method for hydraulic reclamation to reclaim fields from the sea more.Promptly reach and build required absolute altitude with the hydraulic reclamation method.Because new hydraulically filled sludge ground condition complexity, and can't go up operating personnel and plant equipment, need to wait for 1 year behind the conventional hydraulic reclamation or after the several years, form the crust layer of a nature on the scenely after, mechanical, personnel can enter under the condition of construction, carry out consolidation process.Because this fixed naturally time is too of a specified duration, influences and restricted the development of coastal area.Particularly along with the appearance of " modified vacuum precompressed " " negative pressure concretion method ", the duration that solves treatment of soft foundation needed three wheat harvesting periods even the duration of half a year by former vacuum preloading, shortened to 40 days once, and different processing methods has reached identical treatment effect.Can see that therefrom the development of coastal area at present is badly in need of racing against time, and works to tight deadlines.Yet, since new blast-filled ground, particularly new hydraulically filled sludge, the water content height, and bearing capacity is low, has made that worker's method is lack scope for their abilities.Tracing it to its cause, mainly is that constructor and construction machinery can't enter construction.
(3) summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of constructor and construction machinery of making to enter soft foundation employing " twin-hull pontoon " facture and special-purpose twin-hull pontoon thereof that large-area soft ground is handled new blast-filled ground, particularly new hydraulically filled sludge place.
The object of the present invention is achieved like this: a kind of soft foundation " twin-hull pontoon " facture, it is characterized in that described method be utilize that twin-hull pontoon will process earlier on land, by the arm of designing requirement binding plastic draining board, pull the soft foundation surface that needs construction area earlier into by each tube pitch of designing requirement, the plastic draining board that will be bundled in when twin-hull pontoon is returned then on described each arm inserts soft foundation
The preparation method of described twin-hull pontoon is as follows,
Make two monohulls earlier, be arranged in parallel about two monohulls, then according to the distance between adjacent two arms of the slotting plastic draining board of design, determine two assembly unit spacings between the monohull, carry out fixedly connected with connector between two monohulls, be made into twin-hull pontoon, at last, hoist engine is installed in the middle of the twin-hull pontoon of making, all be fixed with wire rope location pulley in the centre at two, front and back of twin-hull pontoon, after the haulage cable of this hoist engine was wrapped on the lifting drum 2～3 circles, haulage cable was drawn by the pulley at two, front and back, determines fixed point according to the length or the width in place;
The insertion method of described plastic draining board is as follows:
Be equipped with staff 3～5 people on the twin-hull pontoon, be responsible for the walking of twin-hull pontoon by 1～2 people by hoist engine; 2～3 people then insert Plastic Drain Slab Construction in addition, and concrete construction technology step is as follows:
The location of step 1, twin-hull pontoon
Two, front and back of the haulage cable of hoist engine all is fixed on the cofferdam or embankment that needs two, construction area front and back with the anchor fixed point on the twin-hull pontoon, determines twin-hull pontoon starting point and direction then,
Behind twin-hull pontoon starting point and the direction location, then can rotate lifting drum by the personnel that are responsible for walking on the twin-hull pontoon, lifting drum rotates haulage cable, the walking of control twin-hull pontoon, other staff then will process on land on the pontoon, by the arm of designing requirement binding plastic draining board, being pulled into by cofferdam or embankment one by the tube pitch of designing requirement needs construction area, up to the cofferdam or the other end of embankment
Arm enters the job site under the haul of twin-hull pontoon, and after determining by the spacing that designing requirement is arranged, twin-hull pontoon is then when returning, insert Plastic Drain Slab Construction, when twin-hull pontoon is constructed one the time, then the spacing according to adjacent two row's arms moves anchor, and twin-hull pontoon is traversing to begin to insert the work of next group plastic draining board separately after desired location; Repeating step two, step 3 then,
Soft foundation of the present invention is handled and is used twin-hull pontoon, comprise two monohulls, be arranged in parallel about described two monohulls, connect with connector between two monohulls, hoist engine is installed on twin-hull pontoon, and this hoist engine is installed in the centre of twin-hull pontoon, and the haulage cable of this hoist engine is wrapped in 2～3 circles on the lifting drum, the haulage cable two ends are provided with anchor, all are fixed with pulley in the centre at two, front and back of twin-hull pontoon.
The present invention uses " twin-hull pontoon " equipment and construction technology, by construction verification, can satisfy the required every technical requirements of vacuum preloading fully.Solved the difficulty of construction plastic draining board, and just because of the place weakness is utilized this characteristic, taked the method for artificial " hand plate ", compared and take board-plugging device, its effect is identical; Can guarantee that the ultra-soft foundation consolidation process reaches required technical requirement, again can conservation of power, reduce construction cost.This inventive method has following advantage:
1), filled up the blank of ultra-soft foundation place construction equipment
Ultra-soft foundation, new blast-filled ground carry out the consolidation process construction immediately, also do not have a kind of suitable equipment up to now, and this construction equipment and technology have overcome ultra-soft foundation and new blast-filled ground can't enter the difficulty of constructing in the place;
2), be not subjected to the restriction of soft foundation geological conditions
The spacing that can adjust twin-hull pontoon as required to be as much as possible reaching maximum effectiveness, thereby provides effective guarantee for the consolidation process of soft foundation.
3), equipment simple, the cost performance height
Can reach certain buoyancy as long as make the material of pontoon, all can be used for making pontoon, also can utilize waste and old diesel bucket or other materials to make, single unit system small investment, effect height, the effect that can reach is that existing equipment is incomparable.
4), simple to operate, work efficiency is fast
Carry out ultra-soft place consolidation process by twin-hull pontoon, because equipment is simple to operate, only need participant's good teamwork, therefore general personnel only need just can operate freely through the familiar back of half an hour.
5), in construction, can construct with different places to different geological conditionss according to designing requirement, so long as the unapproachable soft foundation of personnel, this equipment all can play a role, thereby for the consolidation process of new blast-filled ground becomes a reality, for the fast development of coastal area strive the time.
6) safe and reliable, stability is good
Owing to adopted the binary technology, increased the stability of pontoon, guaranteed safety ultra-soft place constructor.Simultaneously, in convenient construction, also protection railing can be set on the pontoon, more strengthen constructor's safety guarantee.
To sum up, the present invention does not need power, the cost performance height by twin-hull pontoon.In work progress, fixedly wire rope or rope at the smooth regional two of need reach the purpose of traction.Can solve the difficulty that the levelling of the land of ultra-soft soil can't be gone up the people by this equipment, and the soft foundation that can reach design handles the enforcement of reinforcement means, thereby provide reliable guarantee for the processing and the design of large tracts of land ultra-soft foundation.This equipment construction safety factor is big, the duration short, and cost is low, the work efficiency height, and the consolidation process that greatly facilitates ultra-soft foundation and new blast-filled ground is constructed.By the artificial or electronic purpose that reaches traction.
(4) description of drawings
Fig. 1 is soft foundation of the present invention " twin-hull pontoon " the twin-hull pontoon structural representation that facture adopted.
Fig. 2 is soft foundation of the present invention " twin-hull pontoon " facture construction vertical view.
Among the figure: twin-hull pontoon 1, hoist engine 2, driving wheel 3, reel 4, pulley 5, anchor 6, haulage cable 7.
(5) specific embodiment
The present invention relates to a kind of soft foundation " twin-hull pontoon " facture, described method be utilize that twin-hull pontoon will process earlier on land, by each arm of designing requirement binding plastic draining board, each arm elder generation spacing by designing requirement is pulled the soft foundation surface that needs construction area into, and the plastic draining board that will be bundled in when twin-hull pontoon is returned then on described each arm inserts soft foundation.
The preparation method of described twin-hull pontoon is as follows:
Make two monohulls earlier, be arranged in parallel about two monohulls, according to the distance (spacings between the adjacent two plastic removal material band drain arms) between adjacent two arms of inserting plastic draining board, determine two assembly unit spacings between the monohull, the spacing of generally inserting plastic draining board in new hydraulically filled sludge geology is that 0.6m～0.8m is wide, therefore the assembly unit spacing between two monohulls is a bit larger tham 0.6m～0.8m, carry out fixedly connected with angle steel or other materials between two monohulls, be made into twin-hull pontoon 1, at last, hoist engine 2 is installed on the twin-hull pontoon of making, this hoist engine is installed in the centre of twin-hull pontoon, promptly is installed between two monohulls in the middle of the junction.This hoist engine can hand, also can machine driving.Centre at two, front and back of twin-hull pontoon all is fixed with pulley 5, so that wire rope location, guarantee the correct direction of travel of " twin-hull pontoon ", after the haulage cable 7 of this hoist engine is wrapped on the lifting drum 4 2～3 circles, haulage cable is drawn by the pulley at two, front and back, length or width according to the place are determined fixed point, and its effect is the rotation by lifting drum, control " twin-hull pontoon " and advance or retreat.
The insertion method of described plastic draining board is as follows:
Owing to be to insert Plastic Drain Slab Construction on soft foundation, therefore, the slotting plastic draining board in whole place and master, arm connect all and can only reach by the method that twin-hull pontoon is taked manually to insert plastic draining board.According to the insertion depth of the slotting plastic draining board of design, be equipped with staff 3～5 people on the twin-hull pontoon, play the effect of adjustment hull balance on the one hand, on the other hand, be responsible for the walking of twin-hull pontoon by hoist engine by 1～2 people; 2～3 people then insert Plastic Drain Slab Construction in addition.Concrete construction technology step is as follows:
The location of step 1, twin-hull pontoon
Because need the place of construction area can't enter the constructor, in work progress, the walking of twin-hull pontoon all depends on the cofferdam or the embankment in hydraulic reclamation zone.According to the length in cofferdam, both sides before and after the need construction area and the length that width is determined traction steel rope of cable.Two, front and back of the haulage cable of hoist engine all is fixed on the cofferdam or embankment that needs two, construction area front and back with anchor 6 fixed points on the twin-hull pontoon, determines twin-hull pontoon starting point and direction then,
Behind twin-hull pontoon starting point and the direction location, then can rotate lifting drum by the staff who is responsible for walking on the twin-hull pontoon, lifting drum rotates haulage cable, the walking of control twin-hull pontoon, on the pontoon other staff then can with process on land, by the arm of designing requirement binding plastic draining board, being pulled into by cofferdam or embankment one by the tube pitch of designing requirement needs construction area, up to the cofferdam or the other end of embankment.
Arm enters the job site under the haul of twin-hull pontoon, and after determining by the spacing that designing requirement is arranged, twin-hull pontoon then when returning, is inserted Plastic Drain Slab Construction.Make because the spacing of twin-hull pontoon is the spacing of the arm determined according to design, therefore, twin-hull pontoon is inserted band drain (two rows in the middle of the twin-hull pontoon, about each row) by four row's arms when returning.That is to say that the twin-hull pontoon row is gone, can insert the plastic draining board of tying up on four row's arms (also can determine) according to actual conditions and execution conditions.Construct one the time when twin-hull pontoon, then the spacing according to adjacent two plastic removal material band drains moves anchor, and twin-hull pontoon is traversing to begin to insert the work of next group plastic draining board separately after desired location; Repeating step two, step 3 then.According to the practice of construction situation, a twin-hull pontoon is carried 5 people, and darg 8 hours is manually inserted about 1500 squares of plastic draining board.
Claims (2)
1. a soft foundation " twin-hull pontoon " facture, it is characterized in that described method be utilize that twin-hull pontoon will process earlier on land, by the arm of designing requirement binding plastic draining board, pull the soft foundation surface that needs construction area earlier into by each tube pitch of designing requirement, the plastic draining board that will be bundled in when twin-hull pontoon is returned then on described each arm inserts soft foundation
The preparation method of described twin-hull pontoon is as follows,
Make two monohulls earlier, be arranged in parallel about two monohulls, then according to the distance between adjacent two arms of the slotting plastic draining board of design, determine two assembly unit spacings between the monohull, carry out fixedly connected with connector between two monohulls, be made into twin-hull pontoon, at last, hoist engine is installed in the middle of the twin-hull pontoon of making, all be fixed with wire rope location pulley in the centre at two, front and back of twin-hull pontoon, after the haulage cable of this hoist engine was wrapped on the lifting drum 2～3 circles, haulage cable was drawn by the pulley at two, front and back, determines fixed point according to the length or the width in place;
The insertion method of described plastic draining board is as follows:
Be equipped with staff 3～5 people on the twin-hull pontoon, be responsible for the walking of twin-hull pontoon by 1～2 people by hoist engine; 2～3 people then insert Plastic Drain Slab Construction in addition, and concrete construction technology step is as follows:
The location of step 1, twin-hull pontoon
Two, front and back of the haulage cable of hoist engine all is fixed on the cofferdam or embankment that needs two, construction area front and back with the anchor fixed point on the twin-hull pontoon, determines twin-hull pontoon starting point and direction then,
Step 2, after the arm that utilizes twin-hull pontoon will bind plastic draining board is dragged into construction area twin-hull pontoon starting point and direction location, then can rotate lifting drum by the personnel that are responsible for walking on the twin-hull pontoon, lifting drum rotates haulage cable, the walking of control twin-hull pontoon, other staff then will process on land on the pontoon, arm by designing requirement binding plastic draining board, being pulled into by cofferdam or embankment one by the tube pitch of designing requirement needs construction area, up to the cofferdam or the other end of embankment
Step 3, on twin-hull pontoon, construct
Arm enters the job site under the haul of twin-hull pontoon, and after determining by the spacing that designing requirement is arranged, twin-hull pontoon is then when returning, insert Plastic Drain Slab Construction, when twin-hull pontoon is constructed one the time, then the spacing according to adjacent two row's arms moves anchor, and twin-hull pontoon is traversing to begin to insert the work of next group plastic draining board separately after desired location; Repeating step two, step 3 then,
Step 4, treat that all plastic draining boards have all been inserted after, each arm is linked to each other with house steward, house steward links to each other with pumped vacuum systems, vacuumizes.
2. a soft foundation is handled and is used twin-hull pontoon, it is characterized in that described twin-hull pontoon (1) comprises two monohulls, be arranged in parallel about described two monohulls, connect with connector between two monohulls, hoist engine (2) is installed on twin-hull pontoon, this hoist engine (2) is installed in the centre of twin-hull pontoon (1), the haulage cable (7) of this hoist engine (2) is wrapped in last 2～3 circles of lifting drum (4), haulage cable (7) two ends are provided with anchor (6), all are fixed with pulley (5) in the centre at two, front and back of twin-hull pontoon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100255391A CN101509249B (en) | 2009-02-03 | 2009-02-03 | Treatment method for soft foundation double-body pontoon and special double-body pontoon |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100255391A CN101509249B (en) | 2009-02-03 | 2009-02-03 | Treatment method for soft foundation double-body pontoon and special double-body pontoon |
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| CN101509249A CN101509249A (en) | 2009-08-19 |
| CN101509249B true CN101509249B (en) | 2011-01-26 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1000101C2 (en) * | 1994-04-14 | 1995-08-07 | Stevin Wegenbouw | Method for compacting and consolidating underwater sludge and soil bed |
| CN1071391C (en) * | 1997-07-29 | 2001-09-19 | 浙江省围海工程公司 | Soft foundation reinforcing method and equipment utilizing underwater plastic drain board |
| KR20050115835A (en) * | 2005-11-02 | 2005-12-08 | 김용기 | Vertical drainage apparatus and method for improvement of the sea ground and dredged soil area |
| CN101144281A (en) * | 2007-10-31 | 2008-03-19 | 中交四航工程研究院有限公司 | Floating flashboard machine and large area ultra-weak foundation fast directly draining concretion method |
| CN101255688A (en) * | 2008-03-19 | 2008-09-03 | 中交水运规划设计院有限公司 | Directly ventilated type non-subcrust vacuum prepressing ground strengthening method |
| CN201362341Y (en) * | 2009-02-03 | 2009-12-16 | 叶凝雯 | Twin-hull pontoon for treating soft ground |
-
2009
- 2009-02-03 CN CN2009100255391A patent/CN101509249B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1000101C2 (en) * | 1994-04-14 | 1995-08-07 | Stevin Wegenbouw | Method for compacting and consolidating underwater sludge and soil bed |
| CN1071391C (en) * | 1997-07-29 | 2001-09-19 | 浙江省围海工程公司 | Soft foundation reinforcing method and equipment utilizing underwater plastic drain board |
| KR20050115835A (en) * | 2005-11-02 | 2005-12-08 | 김용기 | Vertical drainage apparatus and method for improvement of the sea ground and dredged soil area |
| CN101144281A (en) * | 2007-10-31 | 2008-03-19 | 中交四航工程研究院有限公司 | Floating flashboard machine and large area ultra-weak foundation fast directly draining concretion method |
| CN101255688A (en) * | 2008-03-19 | 2008-09-03 | 中交水运规划设计院有限公司 | Directly ventilated type non-subcrust vacuum prepressing ground strengthening method |
| CN201362341Y (en) * | 2009-02-03 | 2009-12-16 | 叶凝雯 | Twin-hull pontoon for treating soft ground |
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