CN1184188A - Soft foundation reinforcing method and equipment utilizing underwater plastic drain board - Google Patents
Soft foundation reinforcing method and equipment utilizing underwater plastic drain board Download PDFInfo
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- CN1184188A CN1184188A CN97112876A CN97112876A CN1184188A CN 1184188 A CN1184188 A CN 1184188A CN 97112876 A CN97112876 A CN 97112876A CN 97112876 A CN97112876 A CN 97112876A CN 1184188 A CN1184188 A CN 1184188A
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Abstract
During construction, coating surface is first spread with earthwork cloth and sand layer to form horizontal drainage mattress, through which the plate inserting ship inserts plastic drainage plate into earth with the surplus part being cut out. The specific equipment is catamaran equipped with plate inserting unit with plate cutting mechanism at its end positioner, computerized detector and walking mechanism where the plate inserting unit is mounted. The present invention can speed the water drainage and consolidation of soft foundation, raise its bearing capacity and shorten construction period.
Description
A kind of underwater plastic band drain reinforcing flexible foundation method and apparatus relates to the method and the special equipment of marine reinforcing soft foundation.
Since introducing the plastic plate drainage law technology eighties, the land sets band drain in speedway, airfield runway, extensive use in the reinforcing soft foundation of engineerings such as pier storage yard.Announced a kind of " reinforcing machine is used on the hag basis more " for No. 88220119.0 as Chinese patent application, full machine is made up of Amphibious type walking mechanism, power section, forced plate equipment, support section, pulpit, hydraulic drive part etc.Adopt the chain type plate to insert device, but insert row water pipe, Sha Jing and bury the explosive multipurpose underground.Along with Increase of population and big industrial expansion, the development and use of ocean land resources are urgent day by day, and high beach tidal land has remained little, a large amount of all enclose extra large fill near the soft foundation low tide, and the problem of marine reinforcing soft foundation is very outstanding.Many the wave is high because operation on the sea has the depth of water, wind, tide bulge and fall, the unequal characteristics of sea bottom surface, directly uses Consolidation Effect through Plastic and have suitable difficulty.
The purpose of this invention is to provide a kind of underwater plastic band drain reinforcing flexible foundation method and apparatus, it can effectively be reinforced near the soft foundation low beach.
The present invention adopts such technical scheme according to above-mentioned purpose: at first lay geotextiles at the face that is coated with, the sand material is thrown on geotextiles again, form the horizontal drainage bed course, by plate ship waterborne plastic draining board is passed horizontal bed course then and insert in the earth.
The equipment that proposes according to the present invention is plate ship waterborne, and hull is a couple structure, and board plug device is installed on the ship, is characterized in described midship for connecting part, and board plug device inserts plastic draining board in the mud layer by connecting part; Walking mechanism aboard ship also is installed, and described board plug device then is installed on the walking mechanism, is provided with plate cutting mechanism at the end of board plug device
Can obviously accelerate soft basic discharging consolidation according to the underwater plastic band drain reinforcing flexible foundation method that the present invention proposes, improve soft basic supporting capacity, improve rate of loading, shorten the construction period.And solved the difficult problem that marine plate construction is difficult to shear according to the plate ship waterborne that the present invention proposes, have set that area is big, center of gravity is low, good stability, characteristics that wind and wave resistance is strong.Simultaneously, owing to be provided with walking mechanism, under the situation of hull one-time positioning, can repeatedly set operation.
Below in conjunction with drawings and Examples the method and apparatus that foundation the present invention proposes is further described.
Fig. 1 is the plate ship structural representation waterborne that proposes according to the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation according to another embodiment of plate ship waterborne of the present invention's proposition.
Fig. 4 is the structural representation according to the plate ship board plug device waterborne of the present invention's proposition.
Fig. 5 is the another kind of example structure schematic diagram according to the plate ship board plug device waterborne of the present invention's proposition.
Fig. 6 is according to baffle mounting structure schematic diagram in the plate ship board plug device waterborne of the present invention's proposition.
Fig. 7 is Fig. 6 upward view.
Fig. 8 is the plate ship plate cutting mechanism structural representation waterborne that proposes according to the present invention.
Fig. 9 is another example structure schematic diagram of plate ship plate cutting mechanism waterborne that proposes according to the present invention.
Figure 10 is according to geotextile laying mechanism structure schematic diagram on the plate ship waterborne of the present invention's proposition.
Figure 11 is the vertical view of Figure 10.
The reinforcement means that proposes according to the present invention mainly comprises cushion construction and two operations of plate construction.Should lay geotextiles at the face that is coated with earlier before the plate, and then on geotextiles, lay the horizontal drainage bed course, for the usefulness of horizontal drainage.The thickness of horizontal drainage bed course is more preferably greater than 60cm.Course preferably adopts medium coarse sand material or rubble.Its mud content is less than 5%, and the stone maximum particle diameter is no more than 10cm.Bed course will be thrown all over whole reinforcing area, and bed course top preferably keeps smooth.Then carry out the plate construction after finishing above-mentioned operation.Plastic draining board inserts in the earth by plate ship waterborne.After plate ship waterborne arrives the predetermined area, make plastic draining board pass described bed course by static pressure method or vibratory drilling method and insert and inserted in the earth afterwards that band drain bassets more preferably greater than 20cm, will have more design length at last and partly cut off
As shown in Figures 1 and 2, the plate ship waterborne that proposes according to the present invention by hull (1), be installed in the running gear on the hull and the board plug device (3) that is fixed on the running gear is formed.The structure of hull and running gear is referring to Fig. 2, and hull is a catamaran, and the middle part of ship is inserted seabed so that insert device by connecting part for connecting part (8).And walking mechanism mainly is made up of the longitudinal rail (7) on the cross slide way (5), platform (6) and the platform that are positioned on the hull, and platform is installed on the cross slide way by roller, and longitudinal rail is housed on the platform, and board plug device is installed on the longitudinal rail by roller.Therefore board plug device can connect partly at hull and move arbitrarily.If need fixing then roller being checked of board plug device got final product.The upper end of board plug device is a driving mechanism, and driving mechanism and sleeve pipe (4) link, and plastic draining board runs through sleeve pipe.Sleeve pipe is then stayed plastic draining board in the mud layer when extracting sleeve pipe after inserting the seabed mud layer.If sleeve pipe is the rigidity pipe, then need on platform, to settle pile frame (2).If sleeve pipe adopts flexible pipe then not have pile frame, referring to Fig. 3.Among this embodiment, driving mechanism is two pairs of friction pulleys (9), by frictional force sleeve pipe (4) is pressed in the mud layer.To adopting the insertion device of rigidity sleeve pipe, driving mechanism has vibrating hammer mechanism and sprocket wheel static pressure mechanism two Hes, respectively referring to Fig. 4 and Fig. 5.The top of Fig. 4 middle sleeve is vibrating hammer (11), constantly vibrates sleeve pipe by vibrating hammer, makes it to insert in the mud layer under the deadweight effect.Plastic draining board (13) then puts in the sleeve pipe from the top of sleeve pipe.Pulley (10) is housed at the top of vibrating hammer, and rope (12) one ends are fixed, and an end links to each other with hoist engine (14) by other pulleys.When hoist engine rotates, can extract inserting device.Sprocket wheel static pressure mechanism is referring to Fig. 5, and the top of sleeve pipe is fixed with carriage (16), and a section of ring chain (17) also fixes with carriage.It is upper and lower mobile to drive carriage when ring chain rotates.Ring chain and drive sprocket (18) and by movable sprocket (16) engagement, drive sprocket is then driven by motor (19).For preventing the swing of sleeve pipe, on sleeve pipe, also be with leading truck (20), leading truck then is fixed on the pile frame.
Because sleeve pipe also has quite long part in water, sleeve pipe bears sizable resistance when marine stream.Therefore outside sleeve pipe, also be with baffle, as shown in Figure 6 and Figure 7.The cross sectional shape of baffle (22) is a streamlined, and is enclosed within on the stationary pipes (21).Stationary pipes then is fixed on the pile frame.Therefore from axially, baffle can rotate around central axis, and sleeve pipe (4) then can be axially upper and lower mobile.
Plate cutting mechanism is positioned at the end that inserts device, as shown in Figure 8.End at sleeve pipe (4) is hinged with valve (24), and plastic draining board when valve is opened (13) can move in sleeve pipe.Simultaneously, sleeve pipe is other to be equipped with cutter (23), and cutter is fixed in the baffle.Also be fixed with collision block (25) on valve, cam (26) is equipped with in the position relative with collision block in baffle.When sleeve pipe and baffle had relative motion, when promptly sleeve pipe moved upward with respect to baffle, cam compressing collision block made valve press to cutter, thereby will cut off at the plastic draining board between valve and the cutter.The cross sectional shape of valve is preferably tapered, is beneficial to insert in the mud layer.In the embodiment shown in fig. 9, increased tape-feed in tube ends.This tape-feed is made of two pair rollers, and wherein a pair of unidirectional outer roller (27) part of surveying is exposed at outside the sleeve pipe (4), and another internal side wheel (28) contacts with plastic draining board (13), and also contacts with each other between the roller of medial and lateral.When sleeve pipe is upwards mentioned, owing to the effect of earth frictional force, unidirectional outer side wheel rotates, thereby side wheel rotates and plastic draining board is pushed downwards in driving.
Continuous for what construct, also can geotextile laying mechanism be set on the plate ship, as Figure 10 and shown in Figure 11.This mechanism includes support (29), carrying roller (33), depression bar (34).Volume has the cylinder (30) of geotextiles rack-mount, and the vertical seabed of geotextiles (35) is coated with face.Above geotechnological city, be pressed with depression bar, carrying roller thereunder is housed.Carrying roller is fixing aboard ship, and depression bar then is contained on the described plate ship by hinge bar (32).Hinge bar is regulated self angle by hydraulic cylinder (31), thereby regulates the compress degree of depression bar to geotextiles.For geotextiles is evenly laid, on the cylinder of support, preferably refilled damping wheel (36), thereby made the cylinder uniform rotation.
On the plate ship, also can set up computer testing agency, on the one hand detect the depth of water, detect on the other hand plastic draining board construction depth, rewind length, insert situation thereby control plastic draining board better.
Also can increase the laser positioning instrument system on the plate ship.Promptly on the coast two of known coordinate and elevation establish reflective mirror, aboard ship fixed point is provided with reflective mirror again.By being positioned at the commercially available laser positioning instrument on the ship, can accurately measure plate ship present position.
Claims (10)
1. the method for a underwater plastic band drain reinforcing flexible foundation is characterized in that at first laying geotextiles at the face that is coated with, and the sand material is thrown on geotextiles again, forms the horizontal drainage bed course, by plate ship waterborne plastic draining board is passed horizontal bed course then and inserts in the earth.
2. the method for plastic draining board reinforcing flexible foundation as claimed in claim 1 is characterized in that mud content is less than 5% in the sand material, and the stone maximum particle diameter is no more than 10cm.
3. the method for underwater plastic band drain reinforcing flexible foundation according to claim 1 is characterized in that described cushion thickness is greater than 60cm.
4. the method for underwater plastic band drain reinforcing flexible foundation according to claim 1 is characterized in that adopting static pressure or vibration that plastic draining board is inserted in the earth.
5. underwater plastic band drain reinforcing flexible foundation method according to claim 1 is characterized in that plastic draining board bassets part greater than 30cm.
6. special-purpose plate ship of underwater plastic band drain reinforcing flexible foundation method according to claim 1, hull is a couple structure, board plug device is installed on the ship, it is characterized in that described midship is for connecting part, board plug device inserts plastic draining board in the mud layer by connecting part, walking mechanism aboard ship also is installed, and described board plug device then is installed on the walking mechanism, is provided with plate cutting mechanism at the end of board plug device.
7. as plate ship as described in the claim 6, it is characterized in that being equipped with on the board plug device baffle.
8. as plate ship as described in the claim 6, it is characterized in that the driving mechanism in the board plug device is two pairs of friction pulleys.
9. as plate ship as described in the claim 6, it is characterized in that the board plug device end is equipped with the tape-feed that is made of pair of outside roller and pair of inside roller.
10. as plate ship as described in the claim 6, it is characterized in that being equipped with on the plate ship geotextile laying mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97112876 CN1071391C (en) | 1997-07-29 | 1997-07-29 | Soft foundation reinforcing method and equipment utilizing underwater plastic drain board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97112876 CN1071391C (en) | 1997-07-29 | 1997-07-29 | Soft foundation reinforcing method and equipment utilizing underwater plastic drain board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1184188A true CN1184188A (en) | 1998-06-10 |
| CN1071391C CN1071391C (en) | 2001-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97112876 Expired - Fee Related CN1071391C (en) | 1997-07-29 | 1997-07-29 | Soft foundation reinforcing method and equipment utilizing underwater plastic drain board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1071391C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100480472C (en) * | 2006-06-09 | 2009-04-22 | 华南理工大学 | Quick reinforcing method and reinforcing device for super soft weak soil |
| CN102094412A (en) * | 2010-12-22 | 2011-06-15 | 天津天大滨海船舶与海洋工程研究院有限公司 | Mud-water amphibious plate-inserting device for soft foundation |
| CN102493427A (en) * | 2011-11-16 | 2012-06-13 | 河海大学 | Rapid drainage and rapid consolidation construction method for yard silt by using solidified soil as surcharge |
| CN102828501A (en) * | 2012-09-21 | 2012-12-19 | 淮海工学院 | Surcharge preloading drainage consolidation method of salt pond soft base |
| CN103410138A (en) * | 2013-06-09 | 2013-11-27 | 浙江省围海建设集团宁波宏阳建设有限公司 | Multifunctional automatic pile head for allowing plastic drainage plate to be inserted |
| CN104631429A (en) * | 2015-01-09 | 2015-05-20 | 张巧文 | Insert plate friction leading-in mechanism |
| CN104846813A (en) * | 2015-04-27 | 2015-08-19 | 浙江宏力阳生态建设股份有限公司 | Stirring pile ship used for underwater soft foundation construction |
| CN106892064A (en) * | 2017-02-27 | 2017-06-27 | 广州市盛洲地基基础工程有限公司 | A kind of PVD over-water constructions special purpose ship |
| CN107237328A (en) * | 2017-07-10 | 2017-10-10 | 浙江省围海建设集团宁波金洋建设有限公司 | A kind of static pressed pile ship for being used to plug plastic draining board |
| CN112726561A (en) * | 2020-12-01 | 2021-04-30 | 浙江河海建设有限公司 | Row inserting ship capable of efficiently inserting plastic drainage plates and construction process of row inserting ship |
| CN113333857A (en) * | 2020-03-02 | 2021-09-03 | 中交疏浚技术装备国家工程研究中心有限公司 | Drainage plate shearing device, control system and plate shearing process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509249B (en) * | 2009-02-03 | 2011-01-26 | 叶凝雯 | Treatment method for soft foundation double-body pontoon and special double-body pontoon |
-
1997
- 1997-07-29 CN CN 97112876 patent/CN1071391C/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100480472C (en) * | 2006-06-09 | 2009-04-22 | 华南理工大学 | Quick reinforcing method and reinforcing device for super soft weak soil |
| CN102094412A (en) * | 2010-12-22 | 2011-06-15 | 天津天大滨海船舶与海洋工程研究院有限公司 | Mud-water amphibious plate-inserting device for soft foundation |
| CN102493427A (en) * | 2011-11-16 | 2012-06-13 | 河海大学 | Rapid drainage and rapid consolidation construction method for yard silt by using solidified soil as surcharge |
| CN102493427B (en) * | 2011-11-16 | 2014-09-10 | 河海大学 | Rapid drainage and rapid consolidation construction method for yard silt by using solidified soil as surcharge |
| CN102828501A (en) * | 2012-09-21 | 2012-12-19 | 淮海工学院 | Surcharge preloading drainage consolidation method of salt pond soft base |
| CN102828501B (en) * | 2012-09-21 | 2015-02-04 | 淮海工学院 | Surcharge preloading drainage consolidation method of salt pond soft base |
| CN103410138A (en) * | 2013-06-09 | 2013-11-27 | 浙江省围海建设集团宁波宏阳建设有限公司 | Multifunctional automatic pile head for allowing plastic drainage plate to be inserted |
| CN103410138B (en) * | 2013-06-09 | 2015-05-13 | 浙江宏力阳生态建设股份有限公司 | Multifunctional automatic pile head for allowing plastic drainage plate to be inserted |
| CN104631429A (en) * | 2015-01-09 | 2015-05-20 | 张巧文 | Insert plate friction leading-in mechanism |
| WO2016110266A1 (en) * | 2015-01-09 | 2016-07-14 | 张巧文 | Insert plate friction leading-in mechanism |
| CN104846813A (en) * | 2015-04-27 | 2015-08-19 | 浙江宏力阳生态建设股份有限公司 | Stirring pile ship used for underwater soft foundation construction |
| CN104846813B (en) * | 2015-04-27 | 2016-08-24 | 浙江宏力阳生态建设股份有限公司 | A kind of mixing pile ship for the construction of Underwater Soft Foundation plinth |
| CN106892064A (en) * | 2017-02-27 | 2017-06-27 | 广州市盛洲地基基础工程有限公司 | A kind of PVD over-water constructions special purpose ship |
| CN107237328A (en) * | 2017-07-10 | 2017-10-10 | 浙江省围海建设集团宁波金洋建设有限公司 | A kind of static pressed pile ship for being used to plug plastic draining board |
| CN113333857A (en) * | 2020-03-02 | 2021-09-03 | 中交疏浚技术装备国家工程研究中心有限公司 | Drainage plate shearing device, control system and plate shearing process |
| CN112726561A (en) * | 2020-12-01 | 2021-04-30 | 浙江河海建设有限公司 | Row inserting ship capable of efficiently inserting plastic drainage plates and construction process of row inserting ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1071391C (en) | 2001-09-19 |
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Owner name: WEIHAI ENGINEERING TECHNOLOGY DEVELOPMENT CO.LTD. Free format text: FORMER OWNER: WEIHAI ENGINEERING CO., LTD., ZHEJIANG PROVINCE Effective date: 20080919 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20080919 Address after: Floor 9, building 599, Jiangnan Road, Jiangdong District, Ningbo, Zhejiang Patentee after: Ningbo High-Tech Zone, Sea-Closure Engineering Technology Development Co., Ltd. Address before: No. 4, meteorological Road, Ninghai County, Zhejiang Patentee before: Weihai Engineering Co., Zhejiang Prov. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010919 Termination date: 20160729 |