CN103643672B - A kind of Soft Ground Improved By Vacuum Preloading is processed construction method - Google Patents
A kind of Soft Ground Improved By Vacuum Preloading is processed construction method Download PDFInfo
- Publication number
- CN103643672B CN103643672B CN201310562268.XA CN201310562268A CN103643672B CN 103643672 B CN103643672 B CN 103643672B CN 201310562268 A CN201310562268 A CN 201310562268A CN 103643672 B CN103643672 B CN 103643672B
- Authority
- CN
- China
- Prior art keywords
- lay
- vacuum
- press mold
- bedding course
- sand bedding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of Soft Ground Improved By Vacuum Preloading and process construction method, comprise the steps: (1) measurement setting-out, (2) lay geotextiles, (3) lay chaste tree fragrant plant, (4) lay soil padding, (5) lay sand bedding course, (6) set plastic draining board, (7) press mold ditch excavation, (8) wrench is cleared up and is buried underground, (9) chimney filter and go out burying underground of film device, cleaning and the leveling on (10) sand bedding course surface, the laying of (11) plastic foil, (12) enclosing low bank between fields builds, (13) vacuum suction, (14) vacuum unloading, (15) cleaning is removed. The present invention has improved rigidity and the rigidity of ground, and reinforcing speed is fast, and densification effect is better and strength growth rate is higher, improves the density of ground, makes ground more stable, reduces the settling amount of ground. By the generation vacuum of bleeding, reduce pore water pressure, produce negative excess pore water pressure and increase the effective stress of the soil body, pore water pressure is reinforced and is produced spherical effective stress increment, greatly improves speed of application.
Description
Technical field
The present invention relates to a kind of Soft Ground Improved By Vacuum Preloading and process construction method.
Background technology
China's Coastal Areas and valley floor, inland a large amount of soft soil foundation that distributing, its feature is that water content is large, pressesContracting is high, and bad hydraulic permeability and intensity are low. For guaranteeing the safety of engineering and the normal use of building, must enterThe processing of row ground. Traditional vacuum method is since 20th century, the later stage eighties was successfully applied, a large amount ofEngineering practice proves reinforcing soft soil, as the effective ways of mud and muck soil, remains so far weak soil groundThe main foundation treatment technology of base. Traditional vacuum method is disposable Soft Ground Improved By Vacuum Preloading treatment technology,To solving the barged-in fill just having formed, its consolidation effect Wang Wang does not reach desired degree, and in order to reachTo the object that can carry out mechanical execution operation in the soil property of hydraulic reclamation just, often need to lay a large amount of chaste treesThe courses such as fragrant plant, bamboo fragrant plant, not only waste resource, and easily cause the soil property content of organic matter to increase, shapeBecome soil pollution.
Summary of the invention
The object of the invention is to the many deficiencies for prior art, a kind of Soft Ground Improved By Vacuum Preloading processing is providedConstruction method, reaching the reduction of erection time, to reinforce speed fast, densification effect better and strength growth rate higherEffect.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of Soft Ground Improved By Vacuum Preloading is processed construction method, it is characterized in that comprising the steps:
(1) measure setting-out
Carry out cell block with theodolite and spirit level and measure setting-out, emit reinforcement elements limit with timber and albariumThe accurate location of line, and go out the absolute altitude of sand bedding course end face at timber subscript with red paint;
(2) lay geotextiles
Geotextiles is connected by thin wire colligation, between adjacent geotextiles, overlap 1.5m, overlapping part connectsFirmly, then folder paving bamboo graticule mesh, and then lay geotextiles;
(3) lay chaste tree fragrant plant
Chaste tree fragrant plant is carried out to colligation by iron wire, and every overlap edge is established 3 colligation points, and local soft foundation is laid to 3Layer chaste tree fragrant plant, staggers lap position;
(4) lay soil padding
Adopt the mode of artificial small handcart evenly to be laid forward by bank, and move causeway plank used;
(5) lay sand bedding course
Sand bedding course and soil padding are laid opposite direction, fall back and lay;
(6) set plastic draining board
Carry out the layout of drain bar according to designing requirement, stake machine is carried out in place, first under stake machine rail, laySleeper is then laid scaffold board under sleeper. Drain bar joint is processed correct, and drain bar one end is filteredFilm is untied along center line suture, the drain bar other end is inserted and with thin wire button and drain bar plate core companyConnect, then the filter membrane of untiing is returned and entangles joint, tight with fine rule colligation, wrap up again one deck in jointFilter paper;
(7) press mold ditch excavation
After drainage plate striking, require to carry out the excavation of press mold ditch according to design drawing, adopt artificial cooperation littleThe operating type of type digging machine excavation, when press mold ditch excavation, plastic draining board can not be cut off, along limes marginis toOn be inserted in sand bedding course, then the interlayer between drain bar is dug out totally, with wet and soft clayBackfill is real;
(8) wrench is cleared up and is buried underground
After drainage plate striking, carry out the cleaning of sand bedding course surface and drain bar wrench mud, wrench place mudAfter cleaning, with the timely backfill of sand, and will expose drain bar and imbed sand bedding course;
(9) chimney filter and go out burying underground of film device
Carry out chimney filter and go out burying underground of film device according to designing requirement, selecting the chimney filter with pull resistance, using ironSilk by chimney filter with go out film device and iron pipe and be connected tightly;
(10) cleaning on sand bedding course surface and leveling
Tamp inserting the hole sand forming when plastic draining board, and by the mud piece of surface layer with there be the hard of corner angleThing is picked up totally, sand face is clapped to floating reality with spades;
(11) laying of plastic foil
After sand bedding course cleans out, carry out the laying of plastic foil, in the time laying, first determine the laying direction of plastic foilAnd position, by grasped mode, plastic foil is launched, laying after ground floor plastic foil lower one deckPlastic foil is laid and is protected. At press mold ditch place, then plastic foil is in layer treaded in mud,Backfill one deck clay in press mold ditch;
(12) enclosing low bank between fields builds
Before press mold, first in ditch, pour water, when press mold, first film is immersed to the bottom, then on film, press one deck clay, whenAfter soaking into, mud by manually foundry loam being stepped on into mud, then in ditch, fills out clay, and compaction in layers; Film ditchAfter tamping, again according to on-the-spot surface smoothness situation, carry out the build that press mold ditch surrounding dash encloses low bank between fields;
(13) vacuum suction
Examination is bled and in press mold ditch, is filled water while beginning, then vacuum equipment is checked, bleeds in examinationIn journey, narrow examination is carried out in region, after vacuum meter under film reaches designing requirement, start formal vacuumBleed;
(14) vacuum unloading
The foundation soil degree of consolidation of calculating according to in-situ settlement curve reaches 90%, and the sinking speed of continuous 8 days is2mm/d, then unloads;
(15) cleaning is removed
After acceptance(check), machinery, pipe network are carried out to protective demolition, after chimney filter trips out, by the earth in pipeWater is rinsed well, dries rear concentrated stacking.
The present invention, owing to having adopted technique scheme, has following beneficial effect:
Improve rigidity and the rigidity of ground, reinforcing speed is fast, and densification effect is better and strength growth rate is higher:By discharging the liquid phase water in ground, improve the density of ground, thereby improve the strength and stiffness of ground,Reach eventually the stability that improves ground, reduce the settling amount of ground. Vacuum method produce by vacuum andMaintain system and vacuum transmission drainage system reduces pore water pressure, produce the flow of water poor, owing to not increasingTotal stress, does not therefore need preloading, does not need to consume extra resource. By the generation vacuum of bleeding, reducePore water pressure, produces negative excess pore water pressure and increases the effective stress of the soil body, and pore water pressure addsAdmittedly produce spherical effective stress increment, do not produce shear stress increment, so vacuum method does not exist ground to loseSteady problem, under film, vacuum can disposablely be added to design load continuously, greatly improves speed of application. SimultaneouslyReinforcing speed is fast, and densification effect is better and strength growth rate is higher.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the Soft Ground Improved By Vacuum Preloading schematic diagram that a kind of Soft Ground Improved By Vacuum Preloading of the present invention is processed construction method;
Fig. 2 is process chart of the present invention.
Detailed description of the invention
A kind of Soft Ground Improved By Vacuum Preloading of the present invention is processed construction method, and its operation principle is the pressure producing by vacuumPoor, make moisture content in soft base see through plastic draining board filter membrane by drainage channel arrival sand bedding course, then pass through levelDrainage channel sand bedding course enters in the chimney filter being embedded in sand bedding course, is being entered by the film outlet port being connected with vavuum pumpEnter in outside jet case and discharge.
This construction method need to be prepared following material:
1, chaste tree fragrant plant, Weathered Sand, Water-drainage sand, plastic draining board, diaphragm seal, chimney filter, vacuum jet pump, trueEmpty table.
2, the data parameters of this construction method is as shown in table 1:
Table 1 precompressed foundation quality examination criteria
This construction method comprises the steps:
(1) measure setting-out
Carry out cell block with theodolite and spirit level and measure setting-out, emit each reinforcement elements with timber and albariumThe accurate location in sideline, and go out the absolute altitude of sand bedding course end face at timber subscript with red paint.
(2) lay geotextiles
Meet the geotextiles of designing requirement by quality, connect by thin wire colligation, between adjacent geotextiles, takeMeet 1.5m, overlapping part is connected firmly, and ensures that the connection of geotextiles has just ensured the bearing capacity of work soil padding,Ensure plastic draining board pile driver construction safety. Folder paving bamboo graticule mesh again, and then lay geotextiles. Guarantee is mouldedMaterial drainage plate striking machine construction safety, avoid in work progress local load excessive cause work soil padding andThe destruction of sand bedding course.
(3) lay chaste tree fragrant plant
The chaste tree fragrant plant that meets designing requirement by quality, carries out colligation by iron wire, and every overlap edge is at least established 3 and tied upTying point, local soft foundation is laid at least 3 layers of chaste tree fragrant plant, and its lap position will stagger. Chaste tree fragrant plant layer carries topLotus can be uniformly distributed on the mud face that acts on geotextiles covering, makes drainage plate striking machine can carry out plastic drainingPlate sets.
(4) lay soil padding
Adopt the mode of artificial small handcart evenly to be laid forward by bank, and move causeway plank used,Play the effect of compacted soil bed course. Owing to being subject to upper load effect, in soft base, moisture can ooze by geotextilesEnter to chaste tree fragrant plant layer, so soil padding is selected waterproof clay. Work soil padding will reach People's Bank of China after layingWalk surperficial nonpitting requirement, soil padding surface must leveling, closely knit.
(5) lay sand bedding course
Sand bedding course 1 is laid opposite direction with soil padding, falls back and lays. Sand bedding course is vacuum preloading waterFlat raft water layer is again the construction cushion coat of inserting plastic draining board.
(6) set plastic draining board
Carry out the layout of drain bar 4 according to designing requirement, stake machine is carried out in place, first in stake machine rail lower berthIf sleeper is then laid scaffold board under sleeper. Setting in plastic draining board 4 processes, note drainingThe integrality of plate 4, ensures that drain bar 4 enters conduit smoothly. Drain bar 4 joints are processed correct, by drainingPlate 4 one end filter membranes are untied along center line suture, drain bar 4 other ends are inserted and with thin wire button and drainingPlate 4 plate cores connect, then the filter membrane of untiing is returned and entangles joint, tight with fine rule colligation, wrap in joint againWrap up in one deck filter paper.
(7) press mold ditch excavation
After drain bar 4 sets, carry out the excavation of press mold ditch according to design drawing requirement, adopt manually and coordinateThe operating type of Miniature digging machine excavation, when press mold ditch excavation, plastic draining board 4 can not be cut off, along limes marginis toOn be inserted in sand bedding course, then the interlayer between drain bar 4 is dug out totally, return with wet and soft clayTamp.
(8) wrench is cleared up and is buried underground
After setting, drain bar 4 carries out the cleaning of sand bedding course surface and drain bar 4 wrench mud, wrench placeAfter mud cleaning, with the timely backfill of sand, and will expose drain bar 4 and imbed sand bedding course.
(9) chimney filter and go out burying underground of film device
Carry out chimney filter and go out burying underground of film device according to designing requirement, selecting the chimney filter with certain pull resistance,With iron wire by chimney filter with go out film device and iron pipe is connected tightly. The first rule of this place's tie wire, is avoided iron downSilk punctures plastic foil.
(10) cleaning on sand bedding course surface and leveling
Tamp with sand inserting the hole forming when plastic draining board 4, and by the mud piece of surface layer with allly have a ribThe hard thing at angle is picked up totally, sand face is clapped to floating reality with spades.
(11) laying of plastic foil
After sand bedding course cleans out, carry out the laying of plastic foil, in the time laying, first determine the laying direction of plastic foilAnd position, by grasped mode, plastic foil is launched, laying after ground floor plastic foil lower one deck plasticsFilm is laid and is protected. At press mold ditch place, plastic foil is in layer treaded in mud, then at press mold ditchInterior backfill one deck clay.
(12) enclosing low bank between fields builds
Before press mold, first in ditch, pour water, when press mold, first film is immersed to the bottom, then on film, press one deck clay, whenAfter mud soaks into, by manually foundry loam being stepped on into mud, and then fill out clay in ditch, and layering is tamped gently. FilmAfter tamping, ditch 5 again according to on-the-spot surface smoothness situation, carries out the build that press mold ditch surrounding dash encloses low bank between fields 6.
(13) vacuum suction
Examination is bled and in press mold ditch, is filled water while beginning, guarantees the sealing of press mold ditch, then to vacuum equipment 3Check, ensure to work well. In examination pumping process, narrow examination is carried out in region, when true under filmAfter all reaching designing requirement, empty table starts formal vacuum suction. Examination will check whether there is gas leakage situation during taking out,And mend with glue is sticky in time, need to check the operating efficiency of jet pump and the pressure of vacuum meter by platform. Shallow-layer is taken outThe fixed formal timing pumpdown time of water is 35 days, requires more than 2 times vacuum of diaphragm seal are stabilized in 65KPa;It is 100 days that vacuum preloading and deep vacuum precompressed examination vacuumize the formal timing pumpdown time, under requirementVacustat is more than 95KPa.
(14) vacuum unloading
The foundation soil average degree of consolidation of calculating according to in-situ settlement curve reaches 90%, the average settlement of continuous 8 daysSpeed is 2mm/d, then unloads.
(15) cleaning is removed
After acceptance(check), all machinery, pipe network are carried out to protective demolition, after chimney filter trips out, by pipeEarth water is rinsed well, dries rear concentrated stacking.
The quality control of this construction method:
(1), before Water-drainage sand is marched into the arena, need sampling to send quality engineer to approve and the inspection of correlated quality qualification unit,After the assay was approved, side's use that allows to march into the arena;
(2) material property of plastic draining board 4 especially vertical drainage ability should meet requirement of engineering;
(3) gross area of vacuum preloading must not be less than the area that building foundation outer rim is surrounded, and should exceedBuilding foundation outer rim 3.5m. The area of every film covering should be large as far as possible;
(4) plastic draining board 4 spacing and construction depth should meet design requirement, and rewind length and must not be greater than 5m,The degree of depth is except meeting design requirement, and its bottom should exceed the pervious bed 1.5m of lower floor;
(5) plastic draining board 4 sets after complete and acceptance(check), should carefully use in time sand bedding course sand material handleThe hole backfill forming around every plastic draining board 4 while setting is good, otherwise these holes are attached while vacuumizingNear sealing film is easy to breakage, causes gas leakage, thereby is difficult to reach and maintain the vacuum of requirement;
(6) pipeline membrane place should with go out film device and be properly connected, to ensure sealing;
(7) diaphragm seal of vacuum preloading should adopt that ageing resistace is good, good toughness, anti-puncture ability be not strongGas permeable material, diaphragm seal should carefully check that the factor of the fine and close sealer such as the possibility that has or not sharp thing breakage deposits before laying, prevent gas leakage;
(8) must ensure that electric power is without interruption during vacuumizing, power-off midway, so that vacuum isIn short time, reach and long term maintenance design load.
This construction method safety measure:
(1) because vacuum preloading is mostly in the construction of spacious wilderness, construction operation number is few, is in again and opens early stageIn the stage of sending out, generally can not have good Power Supplies Condition, and the precompressed stage is submersible in addition, therefore electricity consumptionSafety must be paid much attention to;
(2) construction cable must be carried out " Three-phase five-wire " system. All consumers must be installed anticreep guarantorProtect device, all distribution box, plug-in strip casees must use the lock case that conforms with the regulations and require. The power supply of turnover lock caseLine must fix tightly, and protects with rubber sheath;
(3) fixed power source line should be maked somebody a mere figurehead as far as possible, cannot make somebody a mere figurehead time, must adopt water proof rubber cable, mops floorCable must meet requirement of withstand voltage, forbids to use aging old cable or underproof product, all electricityCable joint must have strict anticreep measure, and with rod by joint erector overhead;
(4) no matter be electrician or operation work, necessary Liang Rentong on duty on duty hilllock, forbids single on duty. NecessaryAdhere to regular safety inspection system. After high wind, heavy rain, should carry out immediately circuit and consumer inspection;
(5) pitching pile operation, as thundery sky, must stop operation, and pile pipe is inserted in ground;
(6) plate operation must special messenger be commanded, and particularly wears the necessary coordination of personnel of shoe, is strictly on guard against peopleBody injury.
This construction method environmental practice:
(1) control construction waste water, mud discharge, establish special row pond or bucket, have professional to process;
(2) forbid, in strong wind weather construction, in construction, will going along with sb. to guard him measure;
(3) construction machinery will be avoided carrying on construction work at night;
(4) oil plant will be placed on the position of regulation, have special messenger's keeping;
(5) in construction, combustibles must not have pyrotechnics around;
(6) job site reasonable Arrangement, field hold clean and tidy, closure construction, and discarded object is cleared up in time, and scene is enteredRow functional in organized water drainage;
(7) the strict implement existing environmental protection pertinent regulations of country and corporate environment defence program file, preventThere is the phenomenon of damaging surrounding environment and health of human body to occur.
These are only specific embodiments of the invention, but technical characterictic of the present invention is not limited to this. AnyTaking the present invention as basis, for realizing essentially identical technique effect, do ground simple change, be equal to replacementOr modification etc., are all covered by among protection scope of the present invention.
Claims (1)
1. Soft Ground Improved By Vacuum Preloading is processed a construction method, it is characterized in that comprising the steps:
(1) measure setting-out
Carry out cell block with theodolite and spirit level and measure setting-out, emit reinforcement elements limit with timber and albariumThe accurate location of line, and go out the absolute altitude of sand bedding course end face at timber subscript with red paint;
(2) lay geotextiles
Geotextiles is connected by thin wire colligation, between adjacent geotextiles, overlap 1.5m, overlapping part connectsFirmly, then folder paving bamboo graticule mesh, and then lay geotextiles;
(3) lay chaste tree fragrant plant
Chaste tree fragrant plant is carried out to colligation by iron wire, and every overlap edge is established 3 colligation points, and local soft foundation lays 3Layer chaste tree fragrant plant, staggers lap position;
(4) lay soil padding
Adopt the mode of artificial small handcart evenly to be laid forward by bank, and move causeway plank used;
(5) lay sand bedding course
Sand bedding course and soil padding are laid opposite direction, fall back and lay;
(6) set plastic draining board
Carry out the layout of drain bar according to designing requirement, stake machine is carried out in place, first under stake machine rail, laySleeper is then laid scaffold board under sleeper; Drain bar joint is processed correct, and drain bar one end is filteredFilm is untied along center line suture, the drain bar other end is inserted and with thin wire button and drain bar plate core companyConnect, then the filter membrane of untiing is returned and entangles joint, tight with fine rule colligation, wrap up again one deck in jointFilter paper;
(7) press mold ditch excavation
After drainage plate striking, require to carry out the excavation of press mold ditch according to design drawing, adopt artificial cooperation littleThe operating type of type digging machine excavation, when press mold ditch excavation, plastic draining board can not be cut off, along limes marginis toOn be inserted in sand bedding course, then the interlayer between drain bar is dug out totally, with wet and soft clayBackfill is real;
(8) wrench is cleared up and is buried underground
After drainage plate striking, carry out the cleaning of sand bedding course surface and drain bar wrench mud, wrench place mudAfter cleaning, with the timely backfill of sand, and will expose drain bar and imbed sand bedding course;
(9) chimney filter and go out burying underground of film device
Carry out chimney filter and go out burying underground of film device according to designing requirement, selecting the chimney filter with pull resistance, using ironSilk by chimney filter with go out film device and iron pipe and be connected tightly;
(10) cleaning on sand bedding course surface and leveling
Tamp inserting the hole sand forming when plastic draining board, and by the mud piece of surface layer with there be the hard of corner angleThing is picked up totally, sand face is clapped to floating reality with spades;
(11) laying of plastic foil
After sand bedding course cleans out, carry out the laying of plastic foil, in the time laying, first determine the laying direction of plastic foilAnd position, by grasped mode, plastic foil is launched, laying after ground floor plastic foil lower one deckPlastic foil is laid and is protected; At press mold ditch place, then plastic foil is in layer treaded in mud,Backfill one deck clay in press mold ditch;
(12) enclosing low bank between fields builds
Before press mold, first in ditch, pour water, when press mold, first film is immersed to the bottom, then on film, press one deck clay, whenAfter soaking into, mud by manually foundry loam being stepped on into mud, then in ditch, fills out clay, and compaction in layers, film ditchAfter tamping, again according to on-the-spot surface smoothness situation, carry out the build that press mold ditch surrounding dash encloses low bank between fields;
(13) vacuum suction
Examination is bled and in press mold ditch, is filled water while beginning, then vacuum equipment is checked, bleeds in examinationIn journey, narrow examination is carried out in region, after vacuum meter under film reaches designing requirement, start formal vacuumBleed;
(14) vacuum unloading
The foundation soil degree of consolidation of calculating according to in-situ settlement curve reaches 90%, and the sinking speed of continuous 8 days is2mm/d, then unloads;
(15) cleaning is removed
After acceptance(check), machinery, pipe network are carried out to protective demolition, after chimney filter trips out, by the earth in pipeWater is rinsed well, dries rear concentrated stacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562268.XA CN103643672B (en) | 2013-11-12 | 2013-11-12 | A kind of Soft Ground Improved By Vacuum Preloading is processed construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562268.XA CN103643672B (en) | 2013-11-12 | 2013-11-12 | A kind of Soft Ground Improved By Vacuum Preloading is processed construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103643672A CN103643672A (en) | 2014-03-19 |
| CN103643672B true CN103643672B (en) | 2016-05-11 |
Family
ID=50248950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310562268.XA Active CN103643672B (en) | 2013-11-12 | 2013-11-12 | A kind of Soft Ground Improved By Vacuum Preloading is processed construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103643672B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141295B (en) * | 2013-05-07 | 2017-03-15 | 上海交通建设总承包有限公司 | Soft soil foundation compounding method |
| CN103866757B (en) * | 2014-04-10 | 2015-10-14 | 宜兴市良旭焊接瓷件有限公司 | The method of soil water desorption mummification or solidification |
| CN104563063B (en) * | 2014-12-30 | 2016-08-24 | 浙江广川工程咨询有限公司 | A kind of vacuum preloading processing method utilizing compound draining board |
| CN104846803A (en) * | 2015-04-08 | 2015-08-19 | 浙江海洋学院 | Foundation soil consolidation method |
| CN105929132A (en) * | 2016-04-19 | 2016-09-07 | 中山大学 | Vacuum pre-loading combined electric process test apparatus and test method thereof |
| CN106522199A (en) * | 2016-10-29 | 2017-03-22 | 中交航局第工程有限公司 | Direct-drainage type vacuum preloading soft soil foundation treatment process |
| CN107245998B (en) * | 2017-06-30 | 2019-10-18 | 山东科技大学 | A kind of method of cocoanut shell filling combined vacuum prepressing blowing filling soil base |
| CN108083610A (en) * | 2018-01-05 | 2018-05-29 | 中交第二航务工程勘察设计院有限公司 | The multiple spot of a kind of mud or mud vacuumizes quick desiccation facility |
| CN108221949B (en) * | 2018-02-02 | 2023-12-19 | 上海港湾基础建设（集团）股份有限公司 | Vacuum pre-pressing underwater double-adhesive film supplementing device and method |
| CN109056697A (en) * | 2018-09-28 | 2018-12-21 | 曾垭铭 | A method of vacuum preloading, which is solved, without horizontal direction in sand drainage blanket drains plugging |
| CN111898176B (en) * | 2019-07-12 | 2021-02-26 | 江苏科能岩土工程有限公司 | Method for calculating consolidation degree under layered foundation gradual loading condition |
| CN111501730A (en) * | 2020-04-23 | 2020-08-07 | 中核第四研究设计工程有限公司 | Vacuum preloading drainage consolidation method for uranium tailing mud |
| CN111501729A (en) * | 2020-04-23 | 2020-08-07 | 中核第四研究设计工程有限公司 | Vacuum preloading drainage consolidation method for silt titanium dioxide tailings |
| CN112411518A (en) * | 2020-12-17 | 2021-02-26 | 中交三公局第三工程有限公司 | Soft foundation section vacuum combined surcharge preloading construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100679601B1 (en) * | 2005-12-16 | 2007-02-06 | 김수삼 | Method of suction drain for water drainage in soft ground |
| CN101806056A (en) * | 2010-04-28 | 2010-08-18 | 郭艳景 | Soft-soil foundation treatment method for controlling secondary consolidation settlement |
| CN101906772A (en) * | 2010-07-26 | 2010-12-08 | 李燕青 | Fast consolidation method of blow-filled soft soil for land reclamation |
| CN102051875A (en) * | 2010-11-18 | 2011-05-11 | 中交上航局航道建设有限公司 | Method for reinforcing deep silt foundation |
-
2013
- 2013-11-12 CN CN201310562268.XA patent/CN103643672B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100679601B1 (en) * | 2005-12-16 | 2007-02-06 | 김수삼 | Method of suction drain for water drainage in soft ground |
| CN101806056A (en) * | 2010-04-28 | 2010-08-18 | 郭艳景 | Soft-soil foundation treatment method for controlling secondary consolidation settlement |
| CN101906772A (en) * | 2010-07-26 | 2010-12-08 | 李燕青 | Fast consolidation method of blow-filled soft soil for land reclamation |
| CN102051875A (en) * | 2010-11-18 | 2011-05-11 | 中交上航局航道建设有限公司 | Method for reinforcing deep silt foundation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103643672A (en) | 2014-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103643672B (en) | A kind of Soft Ground Improved By Vacuum Preloading is processed construction method | |
| CN105862710B (en) | A kind of drain bar and construction method for Tidal Flat Inning Area processing | |
| CN103898870B (en) | A kind of gabion net Ecotypic Stone Mesh-box river course slope protection construction method | |
| CN102535432B (en) | Vacuumizing-electroosmosis-stacking combined soft-foundation consolidating system and method | |
| CN103758084B (en) | A kind of ecological riverway interlocking type building block and construct the construction that protects bank | |
| CN100549304C (en) | A kind of nothing sealing fast vacuum prepressing method | |
| CN103031836B (en) | A kind of method of building road on new hydraulically filled sludge ground fast | |
| CN103015400B (en) | Efficient quick method for treating separated directly-connected vacuum preloaded foundation | |
| CN103669291B (en) | The construction method of articulated revetment brick bank protection | |
| CN102817354B (en) | Method for dredging soft foundation by dredger fill and reinforcement | |
| CN104775415A (en) | Working platform for rapidly reinforcing hydraulic reclamation super-soft soil foundation and construction method | |
| CN104514216A (en) | Fill channel anti-frost heaving and anti-seepage structure and construction method | |
| CN101979781B (en) | Method for constructing oil drilling waste mud solidification pool | |
| CN111173006B (en) | Ecological slope protection method for reinforcing hilly soil by combining permeable retaining wall and sounding type bar planting belt | |
| CN105804048B (en) | A kind of soft foundation drain bar reinforcement means | |
| CN102383408B (en) | Greening method for high water level impermeable saline and alkaline lands and greening system | |
| CN109083100B (en) | River channel excavation construction process after mud blowing and landing | |
| CN108729409B (en) | River course prevention of seepage holds ecological recovery unit again | |
| CN105804045A (en) | Equipment for strengthening deep soft soil foundation by vacuum preloading of filter well and method | |
| CN104746506A (en) | Soft soil combined preloading structure and construction method | |
| CN106836182A (en) | A kind of compacted technique of vibroflotation water conservancy diversion | |
| CN104762951B (en) | Secondary directly discharging type vacuum prepressing processes the construction method of new hydraulically filled sludge epeirogenetic | |
| CN106801402A (en) | A kind of construction method for the antiseepage of landscape artificial lake | |
| CN101591907B (en) | One-piece vacuum preloading method for quickly treating hydraulic fill hedoro foundation | |
| CN205975653U (en) | Independent bearing platform structure of soil child mould construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |