CN109056761A - Channel cleanout method - Google Patents
Channel cleanout method Download PDFInfo
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- CN109056761A CN109056761A CN201810942777.8A CN201810942777A CN109056761A CN 109056761 A CN109056761 A CN 109056761A CN 201810942777 A CN201810942777 A CN 201810942777A CN 109056761 A CN109056761 A CN 109056761A
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- cofferdam
- river
- mud
- area
- stock tank
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of channel cleanout methods, comprising: step S1: extracting out to the first cofferdam of river subsection setup, and by the water in the first cofferdam；Step S2: the dregs in cleaning river；Step S3: the mud in river is discharged.When using method disclosed by the invention, firstly, being extracted out to the first cofferdam of river subsection setup, and by the water in the first cofferdam；Then, the dregs in river is cleared up；Finally, the mud in river is discharged.Method disclosed by the invention is realized the mud discharge in river, solves the problems, such as the silting in river.
Description
Technical field
The present invention relates to river course clear up technical fields, more particularly, to a kind of channel cleanout method.
Background technique
Important component of the urban river as town ecosystem not only has and provides water source, traffic shipping and prevent
The functions such as flood water drainage, also have and regulate the climate and cut down the Impacts on ecology and environment such as pollution.However, in urbanization fast development process
In, urban river in face of artificially occupied, river levee two sides ecological green plant go to pot, water quality of river deterioration etc. caused by silting ask
Topic, leads to town river functional deterioration.
Therefore, how to solve the problems, such as that the silting in river is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of channel cleanout method, to solve the problems, such as the silting in river.
To achieve the goals above, the present invention provides a kind of channel cleanout method comprising:
Step S1: it is extracted out to the first cofferdam of river subsection setup, and by the water in first cofferdam；
Step S2: the dregs in the river is cleared up；
Step S3: the mud in the river is discharged.
In a specific embodiment, the step S1 the following steps are included:
Step S11: taking the earthwork of dregs field, is transported at first cofferdam, then is pushed away from digging machine into the river
Stone roller fills；
Step S12: after first cofferdam is built up, the water between first cofferdam is evacuated under the river paragraph by paragraph
Trip, along the flow direction in the river, the first cofferdam of the river end wait for water toward the downstream flow to meet construction
Closed up again after it is required that.
In another embodiment, the Dian Chu that closes up in the first cofferdam in the step S11 is provided with timber；
Further include step S13 after the step S12: builder's road is built in the inlet in the first cofferdam described in per pass.
In another embodiment, the step S2 the following steps are included:
Step S21: the dregs is put together together, and is hoisted to and is temporarily stacked point on the bank；
Step S22: it will be transported to outside the dregs of the interim stacking point by slag-soil truck and unload native point.
It in another embodiment, further include step S4 between the step S2 and the step S3: to described
Mud area in first cofferdam carries out segmentation piecemeal hydraulicking.
In another embodiment, the step S3 is specifically included:
Step S31: being laid with pipeline, and the pipeline is connected to the area Chong Wa extremely collection stock tank and the abandoning of hydraulicking in the step S4
Mud area Ni Ku；
Step S32: the mud is passed through in the pipeline to the collection stock tank and the area the Qi Ni mud library.
In another embodiment, the collection stock tank in the step S31 is dug in the river by bagger
At the stock tank that integrates is provided with the second cofferdam on the collection stock tank as reverse frustoconic；
The area step S31 Zhong Qini mud library is scraped out in the river by bagger, on the area the Qi Ni mud library
It is provided with third cofferdam, discharge opening is offered on the third cofferdam, and the surrounding in the third cofferdam is provided with gutter, institute
It states gutter to be connected with sedimentation basin, the sedimentation basin is connected with the river.
In another embodiment, further include step S5 after the step S3: removing first cofferdam, institute
State the second cofferdam and the third cofferdam.
In another embodiment, further include step S6 after step S1: measuring the depth in the river, according to
Measurement prints initial data at the top of the mud in the river, as original crustal stress survey data early period.
In another embodiment, further include step S7 after the step S5: the channel cleanout measurement is tested
It receives.
Each embodiment according to the present invention can according to need any combination, resulting embodiment party after these combinations
Case is also a part of the specific embodiment of the invention within the scope of the present invention.
It is not limited to any theory, from above disclosure as can be seen that in a specific embodiment, using the present invention
When disclosed method, firstly, being extracted out to the first cofferdam of river subsection setup, and by the water in the first cofferdam；Then, river is cleared up
Interior dregs；Finally, the mud in river is discharged.Method disclosed by the invention is realized the mud discharge in river, solution
It has determined the silting problem in river.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other embodiments of the invention are obtained according to these attached drawings.
Fig. 1 is the flow chart of channel cleanout method provided by the invention；
Fig. 2 is the top view for the collection stock tank being arranged in channel cleanout method provided by the invention；
Fig. 3 is the main view for the collection stock tank being arranged in channel cleanout method provided by the invention；
Fig. 4 is the top view in the area the Qi Ni mud library being arranged in channel cleanout method provided by the invention；
Fig. 5 is the main view in the area the Qi Ni mud library being arranged in channel cleanout method provided by the invention；
Main view when Fig. 6 is the work of survey meter used in channel cleanout method provided by the invention.
In Fig. 2-6:
Collect stock tank 1, the second cofferdam 2, the area Qi Ni mud library 3, third cofferdam 4, pvc pipe 5, plastic foil 6, sounding instrument 7, energy converter
8。
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art better understand technical solution of the present invention
Applying mode, the present invention is described in further detail.
The term that present disclosure uses has it in the conventional sense of its fields.Several terms are provided herein at this
Definition in disclosure.If the conventional sense of the term with define herein it is inconsistent, to be defined herein as standard.
Embodiment one
As shown in Figure 1, the present invention provides the present invention to provide a kind of channel cleanout method.Method includes the following steps:
Step S1: it is extracted out to the first cofferdam of river subsection setup, and by the water in the first cofferdam.
River segmentation carries out cofferdam of building a dam, and segmentation river is configured according to on-site actual situations.First cofferdam uses and builds
Soil fills, top width 6m, two sides slope 1:1, and the earthwork in the first cofferdam is taken using dregs field, is transported to first with dump truck and encloses
Place is filled on weir, then is pushed away stone roller into river from digging machine and filled, until closing up and reaching design altitude and top width.
Step S2: the dregs in cleaning river.
Dregs includes rubbish and stone.Since Channel slope has miscellaneous tree, branch, house refuse numerous, river bed deadwood rotten
Very much, and rubble, the building waste etc. of part river bed and seashore deposition thickness not etc., it is easily damaged mechanical and delivery pump.Cleaning
Plant sundries is picked up using artificial inspection, is focused on after putting together, is forbidden to burn pollution environment without authorization.Numerous building wastes and large size are useless
After gurry carries out cleaning bunch using excavator, specified region is transported to using slag-soil truck.
Step S3: the mud in river is discharged.
When using method disclosed by the invention, firstly, to the first cofferdam of river subsection setup, and by the water in the first cofferdam
Extraction；Then, the dregs in river is cleared up；Finally, the mud in river is discharged, later by the first cofferdam demolition.This
The method of disclosure of the invention is realized the mud discharge in river, solves the problems, such as the silting in river.
Embodiment two
It is provided in another embodiment in the present invention, the river in channel cleanout method and embodiment one in the present embodiment is clear
Silt method is similar, just repeats no more to something in common, only introduces difference.
In the present embodiment, disclose step S1 specifically includes the following steps:
Step S11: taking the earthwork of dregs field, is transported at the first cofferdam, then pushes away stone roller into river from digging machine and fill.
For prevent in pump process and after the completion the first cofferdam two sides generate pressure difference, make the first cofferdam shift or collapse,
Closing up the weak spots such as a little and can increase timber and consolidate base in the first cofferdam, spacing 1m, double quincuncial arrangement, according to the actual situation into
The selection of row timber length, diameter 15cm~18cm are pressed into, the exposed mud face of timber from outside slope foot position with backhoe digging machine
0.5m。
After the S12: the first cofferdam of step is built up, the water between the first cofferdam is evacuated to the downstream in river paragraph by paragraph, along river
Flow direction, the first cofferdam of river end are closed up again after water flows to toward downstream and to meet construction requirement.
First cofferdam is multiple, and is set gradually along river flow direction in river, and Φ is arranged after the completion of the first cofferdam
Water between first cofferdam, is evacuated to the downstream in river by 250 pumping for water pump paragraph by paragraph, and the first cofferdam of final stage waits for water toward downstream flow
Closed up again to after meeting construction requirement.
Further, the invention discloses further include step S13 after step S12: repairing in the inlet in the first cofferdam of per pass
Build builder's road.
A builder's road is built in the inlet in the first cofferdam of per pass, is convenient for outside automobile muck haulage and the cofferdam demolition earthwork
Fortune, sidewalk use 500mm sheet ground mass layer, and the width of sidewalk is 5m.
Further, the invention discloses step S2 the following steps are included:
Step S21: dregs is put together together, and is hoisted to and is temporarily stacked point on the bank.
Step S22: it will be transported to outside the interim dregs for stacking point by slag-soil truck and unload native point.
Further, the invention discloses further include step S4 between step S2 and step S3: to the silt in the first cofferdam
Mud area carries out segmentation piecemeal hydraulicking.
Segmentation piecemeal hydraulicking is carried out to mud area immediately after the completion of the riverbed surface building waste in river is cleared.By
There are miscellaneous tree, branch, house refuse numerous in Channel slope, river bed deadwood rotten very much, and part river bed and seashore deposition thickness
Not equal rubble, building waste etc. greatly reduces the efficiency that punching is dug if directly carrying out hydraulicking, and is easily damaged machine
Tool and delivery pump.So need to be cleared before high-pressure hydraulic is rushed and dug to the part.
Whole river is segmented according to the actual situation, every section of about 1.2km, and every section can carry out block construction, and every piece about
The water of river upstream can be used in 300m, hydraulicking clear water.
Hydraulicking is dug using high-pressure hydraulic punching, carries out punching digging by hydraulic pond sludge scooping machine group.Hydraulic pond sludge scooping machine group includes vertical
The defeated mud system of formula mud, clear water rush mud system and distribution box system.Clear water rushes mud system for collection where clear water is flushed to mud
In stock tank 1, the vertical defeated mud system of mud is retracted to specified position for clear water to be rushed the processed mud of mud system.
The vertical defeated mud system of mud includes Veritical mud pump, floating body (streamlined diafloat tank), defeated mud hard tube in field
And rubber tube.
It includes that fresh water pump, water-supply-pipe and bath rifle, the outlet of fresh water pump are connected with one end of water-supply-pipe that clear water, which rushes mud system,
The other end installation bath rifle of water-supply-pipe, the clear water that bath rifle pumps out fresh water pump spray.Φ 100 can be used according to the actual situation
(flow 100m3/h, lift 50m, dual-purpose one is standby, and a fresh water pump is equipped with 2 100 giants of Φ for fresh water pump；One Φ 100
Fresh water pump, which is equipped with a thick slush pump of Φ 250, to be accomplished to be equipped with equilibrium as far as possible) carry out punching digging, 250 thick slush pump (process 200m3/ of Φ
H), several dredgings, several, in intermediary press, are delivered to silt stockyard, every day dredging amount about 600m3/ platform after repeatedly being turned over fortune.
Distribution box system includes distribution box and water-proof cable etc..
Further, the invention discloses step S4 specifically includes the following steps:
Step S31: being laid with pipeline, and pipeline is connected to the first cofferdam to collection stock tank 1 and the area Qi Ni mud library 3.
Slurry collecting is pumped to collection stock tank 1 by pipeline and carries out preliminary sedimentation raising concentration of hydraulic mixture by high pressure slurry pump, with
Conducive to the pressurization and transfer efficiency for improving high pressure slurry pump.The type selecting of high pressure slurry pump should in conjunction with workload day by day and conveying capacity into
Row considers, is not only able to satisfy construction period, but also can prevent mud from overflowing mud extraction in time and collect stock tank 1 out.
Pipeline is laid with it should be noted that the following:
The pipeline rout of (1) first cofferdam to collection stock tank 1 is quasi- to be moved towards along riverbank, quasi- to walk land flat terrain as far as possible.Pipeline
Appropriate leveling along the line, width are the platform of 800mm, and pipeline is placed thereon and fixed, and platform should be horizontal consistent as far as possible, are become
Change smooth.
(2) slope foot that spoil disposal nozzle protrudes into the second cofferdam 2 of collection stock tank 1 is not less than 5.0m outside, is higher by and banks up mud face
0.50m or more.
The pipeline in (3) first cofferdam to the area Qi Ni mud library 3, that is, land feed pipe for mortar line (bank pipe) are laid with and require: answering
It being laid with by designed lines and laying method, holding tube line is flat, and it is straight, do not turn dog leg.The basis of feed pipe for mortar line bottom, sark
It to be firmly installed with bracket.
(4) connector of feed pipe for mortar line must be close, secured, and entire feed pipe for mortar line and connector must not leak mud, spillage, leak,
It was found that leakage, should repair or replace in time.
(5) feed pipe for mortar line turns round according to field condition, selects sizing steel elbow or rubber hose.Used feed pipe for mortar
Line should be checked, measure meet engineering requirement after just install.
Specifically, the invention discloses collection stock tanks 1 is scraped out in river by bagger, is integrated stock tank 1 as reverse frustoconic, is collected
The second cofferdam 2 is provided on stock tank 1, as shown in Figures 2 and 3.
Collect stock tank 1 and is arranged one every about 300 meters along river.
To avoid pollution environment, volume is needed to minimize collection stock tank 1.
It is dug using bagger to the depth of 1.5m below river bed in river close to the position on bank, in conjunction with original depth of water 1m and is considered
Cofferdam exceeds raw water face 1m, adds up to the deep about 3.5m in pond.Pond is built into approximate mid-section reverse frustoconic, in favor of mud precipitating with
It concentrates, fills equivalent diameter about 30m, radius of sphericity about 34m, Meet 1200m3/ days and requires.The collection stock tank 1 of reverse frustoconic makes mud in pond be not easy to deposit, and mud enters collection stock tank 1,
Flow velocity slows down, and solid particle just gradually precipitates, the inevitable sliding downwards of the solid particle being deposited on inclined-plane, and bottom of pond is small-scale
Level land is substantially within the scope of pulp-absorbing pipe saliva flow disturbance, is not easy to deposit, most of to be fallen by slush pump pump drainage.
The use of second cofferdam 2 is built soil and is filled, and top width 1.5m, two sides slope 1:1 need depending on scene, can beat timber to second
Cofferdam 2 is supported reinforcing.
The area Qi Ni mud library 3 is scraped out in river by bagger, third cofferdam 4 is provided on the area Qi Ni mud library 3, such as Fig. 4
Shown in 5, discharge opening is offered on third cofferdam 4, and the surrounding in third cofferdam 4 is provided with gutter, gutter and sedimentation basin
Conducting, sedimentation basin are connected with river.
The size in the area Qi Ni mud library 3 is calculated according to design drawing and survey data, is then considered according to amount of budget suitable
When surplus after carry out the area Qi Ni mud library 3 and enclose and build, third cofferdam 4 is filled using building soil, top width 2.5m, two sides slope 1:1, third
4 size of cofferdam is configured according to amount of budget, is met the requirements.
When third cofferdam 4 is arranged on the area Qi Ni mud library 3, weeds, tree root, fertile soil etc. on the base of weir must be removed dry
Only, before third cofferdam 4 is filled, it should by weir base topsoil scarifying, then fill out and cover new soil and be compacted.When third cofferdam 4
When substrate is sandy soil, should the first grooving among the base of weir, then backfill cohesive soil.Building weir earth material can take in the area Qi Ni mud library 3,
Ditch edge is no less than 3m far from weir foot, and frozen soil, allied soil, fertile soil must not be used to fill cofferdam.
When taking soil to fill cofferdam in the area Qi Ni mud library 3, ditch must not be penetrated through continuously, should stay one every suitable distance
The low bank of earth between fields prevents mud crossfire from washing away weir base.
The position of discharge opening should be arranged according to the geometry in the area Qi Ni mud library 3, capacity, feed pipe for mortar and build to closing on
The concrete conditions selection such as object and environment influence.
Determine that discharge opening position will avoid siltation, the punching that may cause to construction area Its Adjacent Waters, bridges and culverts, villages and small towns etc. that sluice
The influence of brush and pollution.
Discharge opening location arrangements are spaced 15m arrangement using Φ 110PVC pipe 5, break face and be laid with one from the position 200mm is risen
Layer 1.5mm thickness plastic foil 6, plastic foil 6 can also be replaced with other materials impervious to water.
Water flow suddenly causes very much band slurry to overflow from discharge opening in order to prevent, and the invention discloses discharge openings should fill sand at any time
Bag.
In third cofferdam, 4 foot is along the gutter of surrounding setting 300*300, and the water that the area Qi Ni mud library 3 is discharged is through gutter
It flows into the three-level sedimentation basin in cofferdam west side, is discharged into river nearby after precipitating.
Step S32: mud is pipelined in collection stock tank 1 and the area Qi Ni mud library 3.
It also can avoid secondary pollution in transit using pipeline mud, reduce the interference to river two sides resident
Deng.
Further, the invention discloses further include step S5 after step S3: removing the first cofferdam, 2 and of the second cofferdam
Third cofferdam 4.
It first pours water into river before removing, water level is held substantially inside and outside the first cofferdam of holding, the second cofferdam 2 and third cofferdam 4
It is flat, entrucking then is excavated into the earthwork in the first cofferdam, the second cofferdam 2 and third cofferdam 4 with excavator, is transported to dump truck
It stacks spoil ground.Necessary timing probe riverbed bottom elevation and river width during underwater operation, until meeting design requirement.
After equal dredgings, the second cofferdam 2 on stock tank 1 will be collected with excavator and remove entrucking fortune abandoning, it if required, can also
Collection mud sump bottom is filled and led up using collection mud sump cofferdam cubic metre of earth.
In another embodiment, further include step S6 after step S1: the depth in river is measured, according to measurement
Initial data at the top of the mud in river is printed, as original crustal stress survey data early period.
As shown in fig. 6, use sounding instrument (concretely boat-carrying SDE-28S sounding instrument) 7 referring to design drawing by river with
It scatters measurement centered on lowest point to two sides, measurement route is laid according to river surface width, prints mud according to Measurement results
Top initial data, as original crustal stress survey data early period.
Sounding instrument 7 is connect with 8 signal of energy converter, after the distance by laser acquisition to river bed, is transmitted to energy converter 8, transducing
The signal is returned sounding instrument 7 by device 8.
In another embodiment, further include step S7 after step S5: channel cleanout measurement is checked and accepted.
Method disclosed by the invention carries out channel cleanout construction, and easy to operate, soil property adaptability is good, greatly improves dredging
Rate and effect, meanwhile, greatly reduce construction cost, shorten the duration, and then improve economic benefit.It is particularly suitable
Small-sized river and canel desilting in river closure construction, suitable mud conditioning mode are to select the prerequisite of this method
(this method handles mud in such a way that the area Qi Ni mud library 3 dries).It is thorough by this method dredging, it is easy to operate, convenient for wearing
Bridge and other river barriers are crossed, secondary pollution in transit is also can avoid using pipeline mud, reduces to river
The interference etc. of two sides resident.
" first " in the present invention, " second " etc. are to be distinguished in description, without others particular meanings.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and inventive features phase
Consistent widest scope.
Claims (10)
1. a kind of channel cleanout method characterized by comprising
Step S1: it is extracted out to the first cofferdam of river subsection setup, and by the water in first cofferdam；
Step S2: the dregs in the river is cleared up；
Step S3: the mud in the river is discharged.
2. the method according to claim 1, wherein the step S1 the following steps are included:
Step S11: taking the earthwork of dregs field, is transported at first cofferdam, pushes away stone roller into the river and fill；
Step S12: after first cofferdam is built up, the water between first cofferdam is evacuated to the downstream in the river, edge paragraph by paragraph
The flow direction in the river, the first cofferdam of the river end after water toward the downstream flow to after meeting construction requirement
Closed up again.
3. according to the method described in claim 2, it is characterized in that, being set at the closing up of the first cofferdam in the step S11
It is equipped with timber；
Further include step S13 after the step S12: builder's road is built in the inlet in the first cofferdam described in per pass.
4. the method according to claim 1, wherein the step S2 the following steps are included:
Step S21: the dregs is put together together, and is hoisted to and is temporarily stacked point on the bank；
Step S22: it will be transported to outside the dregs of the interim stacking point by slag-soil truck and unload native point.
5. method described in any one of -4 according to claim 1, which is characterized in that the step S2 and step S3 it
Between further include step S4: to the mud area in first cofferdam carry out segmentation piecemeal hydraulicking.
6. according to the method described in claim 5, it is characterized in that, the step S3 is specifically included:
Step S31: being laid with pipeline, and the pipeline is connected to the area Chong Wa to collection stock tank and the area Qi Ni of hydraulicking in the step S4
Mud library；
Step S32: the mud is passed through in the pipeline to the collection stock tank and the area the Qi Ni mud library.
7. according to the method described in claim 6, it is characterized in that, the collection stock tank in the step S31 passes through bagger in institute
It states in river and scrapes out, the stock tank that integrates is provided with the second cofferdam on the collection stock tank as reverse frustoconic；
The area step S31 Zhong Qini mud library is scraped out in the river by bagger, is arranged on the area the Qi Ni mud library
There is third cofferdam, discharge opening is offered on the third cofferdam, and the surrounding in the third cofferdam is provided with gutter, the row
Ditch is connected with sedimentation basin, and the sedimentation basin is connected with the river.
8. the method according to the description of claim 7 is characterized in that further including step S5 after the step S3: described in dismounting
First cofferdam, second cofferdam and the third cofferdam.
9. according to the method described in claim 8, it is characterized in that, further including step S6 after step S1: measuring the river
Depth, initial data at the top of the mud in the river is printed according to measurement, as original crustal stress survey data early period.
10. according to the method described in claim 9, it is characterized in that, further including step S7 after the step S5: the river
Dredging measurement is checked and accepted.
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| CN110528612A (en) * | 2019-08-27 | 2019-12-03 | 中国建筑一局(集团)有限公司 | Urban Underground underground river desilting system and the engineering method desilted and dredged with the system |
| CN110644427A (en) * | 2019-08-20 | 2020-01-03 | 中国电建集团华东勘测设计研究院有限公司 | Ecological protection structure of river bank slope under unfavorable geological conditions and dredging method |
| CN110804993A (en) * | 2019-11-26 | 2020-02-18 | 深圳市东深工程有限公司 | River regulation construction method |
| CN111022764A (en) * | 2019-12-29 | 2020-04-17 | 中铁五局集团第二工程有限责任公司 | Dry construction method for water diversion pipe water-land adapter |
| CN111485595A (en) * | 2020-03-30 | 2020-08-04 | 中国建筑第八工程局有限公司 | Dredging construction method of underdrain robot suitable for high-airtight space environment |
| CN111519734A (en) * | 2020-04-24 | 2020-08-11 | 中国电建集团华东勘测设计研究院有限公司 | Silt dredging method for river channel hidden culvert |
| CN112391994A (en) * | 2020-11-25 | 2021-02-23 | 中铁北京工程局集团有限公司 | Construction process for mechanically removing floating mud in lake area |
| CN113265979A (en) * | 2021-05-17 | 2021-08-17 | 中电建十一局工程有限公司 | Construction method for dredging shallow layer of thick-sludge river |
| CN113638355A (en) * | 2021-08-20 | 2021-11-12 | 福建省红日水利水电工程有限公司 | Intelligent construction method for water conservancy river regulation engineering |
| WO2022095494A1 (en) * | 2021-06-18 | 2022-05-12 | 中铁四局集团有限公司 | Dry desilting method for riverway |
| CN115162385A (en) * | 2022-07-27 | 2022-10-11 | 保利长大工程有限公司 | Desilting method for bearing platform cofferdam |
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| CN110644427A (en) * | 2019-08-20 | 2020-01-03 | 中国电建集团华东勘测设计研究院有限公司 | Ecological protection structure of river bank slope under unfavorable geological conditions and dredging method |
| CN110644427B (en) * | 2019-08-20 | 2021-06-08 | 中国电建集团华东勘测设计研究院有限公司 | Ecological protection structure of river bank slope under unfavorable geological conditions and dredging method |
| CN110528612A (en) * | 2019-08-27 | 2019-12-03 | 中国建筑一局(集团)有限公司 | Urban Underground underground river desilting system and the engineering method desilted and dredged with the system |
| CN110804993A (en) * | 2019-11-26 | 2020-02-18 | 深圳市东深工程有限公司 | River regulation construction method |
| CN111022764A (en) * | 2019-12-29 | 2020-04-17 | 中铁五局集团第二工程有限责任公司 | Dry construction method for water diversion pipe water-land adapter |
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| CN111519734B (en) * | 2020-04-24 | 2021-06-08 | 中国电建集团华东勘测设计研究院有限公司 | Silt dredging method for river channel hidden culvert |
| CN111519734A (en) * | 2020-04-24 | 2020-08-11 | 中国电建集团华东勘测设计研究院有限公司 | Silt dredging method for river channel hidden culvert |
| CN112391994A (en) * | 2020-11-25 | 2021-02-23 | 中铁北京工程局集团有限公司 | Construction process for mechanically removing floating mud in lake area |
| CN113265979A (en) * | 2021-05-17 | 2021-08-17 | 中电建十一局工程有限公司 | Construction method for dredging shallow layer of thick-sludge river |
| WO2022095494A1 (en) * | 2021-06-18 | 2022-05-12 | 中铁四局集团有限公司 | Dry desilting method for riverway |
| CN113638355A (en) * | 2021-08-20 | 2021-11-12 | 福建省红日水利水电工程有限公司 | Intelligent construction method for water conservancy river regulation engineering |
| CN113638355B (en) * | 2021-08-20 | 2022-07-15 | 福建省红日水利水电工程有限公司 | Intelligent construction method for water conservancy river regulation engineering |
| CN115162385A (en) * | 2022-07-27 | 2022-10-11 | 保利长大工程有限公司 | Desilting method for bearing platform cofferdam |
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