CN103088828A - Construction method for laying underwater geogrids - Google Patents
Construction method for laying underwater geogrids Download PDFInfo
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- CN103088828A CN103088828A CN2011103397264A CN201110339726A CN103088828A CN 103088828 A CN103088828 A CN 103088828A CN 2011103397264 A CN2011103397264 A CN 2011103397264A CN 201110339726 A CN201110339726 A CN 201110339726A CN 103088828 A CN103088828 A CN 103088828A
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- geotextile
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- grid
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Abstract
The invention provides a construction method for laying underwater geogrids. By the construction method for laying the underwater geogrids, a phenomenon of floatation can be avoided, and the quality is effectively guaranteed. The technical scheme includes that workboats for implementing the construction method include a geotextile laying vessel and a stone damper, a computer, a GPS (global positioning system) positioning receiver and GPS positioning software are configured on the geotextile laying vessel, the stone damper is a small flat boat and is used for laying and ballasting two stone sheets, and the geotextile laying vessel and the stone damper move to laying positions to carry out laying construction according to the laying positions. The construction method is characterized in that after an entry point of the geotextile laying vessel is positioned, the stone damper with ropes is arranged at the head and the tail of the geotextile laying vessel and is parked on a flip side of the geotextile laying vessel, a geogrid and geotextile are compositely connected with each other on the geotextile laying vessel and descend together to be laid, and the stone damper performs riprap ballast when the geogrid and the geotextile descend and are laid, then moves along with the geotextile laying vessel and performs ballast in a follow-up manner, so that the underwater geogrid is completely laid.
Description
Technical field
The present invention relates to lay the method for geo-grid under water.
Background technology
Be the low-lying coastal area harbour and coastal engineering ground as of living in harbour, stockyard and road, shore protection, mole and beach coffering, and often be soft foundation, therefore reinforcing soft foundation is the FAQs in harbour and coastal engineering.Geo-grid more and more is applied in the reinforcing soft foundation of these engineerings with its good pull resistance and rigidity.Along with the expansion of works limit, constantly extend to the off-lying sea at present, the depth of water of construction area is more and more darker, and a lot of engineerings are operation at sea.And the limitation of the characteristic large due to the intensity of geo-grid, that rigidity is high and geo-grid specification size, the geo-grid difficulty is large under water for waterborne pavement.Common laying process often causes a large amount of hydro-planings, and construction quality is difficult to guarantee.
Summary of the invention
The purpose of this invention is to provide a kind of hydro-planing of avoiding, the laying of effectively ensuring the quality of products is the geo-grid job practices under water.
the workboat that technical solution of the present invention is used is Working Ships and stone dumper, is furnished with computer on Working Ships, the GPS location receiver, the GPS positioning software, stone dumper is the Small-scale Flat ship, be used for laying ballast two slabstones, according to paving location, Working Ships and stone dumper move to paving location and carry out laying construction, it is characterized in that Working Ships advance a little locate after, stone dumper band cable is at the head and the tail of Working Ships, moor the turnover panel side in Working Ships, geo-grid and geotextiles composite joint on Working Ships, transfer together laying, in geo-grid and geotextiles are transferred process of deployment, stone dumper carries out the jackstone ballast, move ship with Working Ships afterwards, stone dumper follow-up ballast, complete the laying of geo-grid under water.
The present invention is owing to adopting geo-grid and geotextiles compound, disposablely completes laying, can strengthen the globality of geo-grid, effectively avoids hydro-planing; Speed of application is quick, effectively reduces construction cost.Have and improve the efficient of geo-grid laying under water, effectively guaranteed the remarkable result of laying quality.
Description of drawings
Fig. 1 is the schematic diagram that Working Ships and stone dumper carry out laying construction.
Fig. 2 represents to lay the flow chart of geo-grid job practices under water.
The specific embodiment
The construction ship that the present invention's (referring to accompanying drawing) adopts is Working Ships 1 and stone dumper 2.Are furnished with two of computer one cover, GPS location receivers on Working Ships, GPS positioning software one cover.Open computer before construction, operation GPS positioning software, lay parameter relevant to the design conditions input, computer namely shows construction ship dynamic accommodation figure, paving location according to the GPS positioning software shows moves to paving location 4 with workboat, when Computer display deviate and shift value reach in the allowable error scope, the expression workboat has arrived design attitude, can carry out laying construction.Stone dumper adopts the Small-scale Flat ship to lay two slabstones that ballast is used.Working Ships advance a little locate after, Combined roll is on cylinder on the Working Ships deck at first will to splice good geo-grid and woven geotextile, this geo-grid adopts the high-strength geo-grid of 200KN/m simple tension, this woven geotextile adopts 230g/m
2Woven geotextile.Stone dumper band cable is moored the turnover panel side in Working Ships at the head and the tail of Working Ships, and during construction, stone dumper is connected with Working Ships head and the tail two root system cavils by two hawsers of head and the tail.During construction, geo-grid and woven geotextile are transferred laying together, after the file leader of geo-grid and woven geotextile transfers, stone dumper utilizes excavator to shed two slabstone ballast underwater drainage bodies 3, drive stone dumper when Working Ships moves ship and move ship and carry out the jackstone ballast, until whole isostere laying construction is complete.The present invention synchronously carries out the jackstone ballast in the laying construction process of transferring geo-grid and woven geotextile isostere, both satisfied designing requirement, has guaranteed again construction quality and progress.
Claims (2)
1. lay the job practices of geo-grid under water, the workboat that uses is Working Ships and stone dumper, is furnished with computer on Working Ships, the GPS location receiver, the GPS positioning software, stone dumper is the Small-scale Flat ship, be used for laying ballast two slabstones, according to paving location, Working Ships and stone dumper move to paving location and carry out laying construction, it is characterized in that Working Ships advance a little locate after, stone dumper band cable is at the head and the tail of Working Ships, moor the turnover panel side in Working Ships, geo-grid and geotextiles composite joint on Working Ships, transfer together laying, in geo-grid and geotextiles are transferred process of deployment, stone dumper carries out the jackstone ballast, move ship with Working Ships afterwards, stone dumper follow-up ballast, complete the laying of geo-grid under water.
2. the laying according to claim 1 job practices of geo-grid under water, is characterized in that geo-grid adopts the high-strength geo-grid of 200KN/m simple tension, and woven geotextile adopts 230g/m
2Woven geotextile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103397264A CN103088828A (en) | 2011-11-01 | 2011-11-01 | Construction method for laying underwater geogrids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103397264A CN103088828A (en) | 2011-11-01 | 2011-11-01 | Construction method for laying underwater geogrids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103088828A true CN103088828A (en) | 2013-05-08 |
Family
ID=48201919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103397264A Pending CN103088828A (en) | 2011-11-01 | 2011-11-01 | Construction method for laying underwater geogrids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103088828A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744084A (en) * | 2014-01-17 | 2014-04-23 | 武汉长江航道救助打捞局 | Real-time monitoring and detecting method for underwater paving quality |
| CN110670540A (en) * | 2019-10-09 | 2020-01-10 | 湖北省港路勘测设计咨询有限公司 | Construction method for tying ballast soft row and protecting bottom |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922865A (en) * | 1972-10-06 | 1975-12-02 | Aannemers Comb Zinkwerke | Mattress, method of sinking a mattress and vessel suitable for use in said method |
| CN1442342A (en) * | 2002-03-06 | 2003-09-17 | 中港第三航务工程局 | Under water flexible raft laying engineering ship and under water flexible raft laying technology |
| CN101289860A (en) * | 2008-04-10 | 2008-10-22 | 中交三航局第二工程有限公司 | Underwater slope protection construction method for foundation ditch in water |
| CN101565934A (en) * | 2008-04-24 | 2009-10-28 | 中国神华能源股份有限公司 | Method for laying geotextile underwater |
| CN201785741U (en) * | 2010-07-13 | 2011-04-06 | 红阳建设集团有限公司 | Underwater geotextile laying equipment |
-
2011
- 2011-11-01 CN CN2011103397264A patent/CN103088828A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922865A (en) * | 1972-10-06 | 1975-12-02 | Aannemers Comb Zinkwerke | Mattress, method of sinking a mattress and vessel suitable for use in said method |
| CN1442342A (en) * | 2002-03-06 | 2003-09-17 | 中港第三航务工程局 | Under water flexible raft laying engineering ship and under water flexible raft laying technology |
| CN101289860A (en) * | 2008-04-10 | 2008-10-22 | 中交三航局第二工程有限公司 | Underwater slope protection construction method for foundation ditch in water |
| CN101565934A (en) * | 2008-04-24 | 2009-10-28 | 中国神华能源股份有限公司 | Method for laying geotextile underwater |
| CN201785741U (en) * | 2010-07-13 | 2011-04-06 | 红阳建设集团有限公司 | Underwater geotextile laying equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744084A (en) * | 2014-01-17 | 2014-04-23 | 武汉长江航道救助打捞局 | Real-time monitoring and detecting method for underwater paving quality |
| CN103744084B (en) * | 2014-01-17 | 2016-06-08 | 武汉长江航道救助打捞局 | One arranges Real-time quality monitoring detection method under water |
| CN110670540A (en) * | 2019-10-09 | 2020-01-10 | 湖北省港路勘测设计咨询有限公司 | Construction method for tying ballast soft row and protecting bottom |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130508 |