CN105625253A - Repairing method of steep-bank deep-water type lakeside zones - Google Patents

Repairing method of steep-bank deep-water type lakeside zones Download PDF

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Publication number
CN105625253A
CN105625253A CN201510992434.9A CN201510992434A CN105625253A CN 105625253 A CN105625253 A CN 105625253A CN 201510992434 A CN201510992434 A CN 201510992434A CN 105625253 A CN105625253 A CN 105625253A
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China
Prior art keywords
wave
water type
lake
disappears
breakwater
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CN201510992434.9A
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Inventor
张陈浩
董先锋
刘璟
黄佳音
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CCCC Tianjin Port and Shipping Survey and Design Institute Co Ltd
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CCCC Tianjin Port and Shipping Survey and Design Institute Co Ltd
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Priority to CN201510992434.9A priority Critical patent/CN105625253A/en
Publication of CN105625253A publication Critical patent/CN105625253A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G2/00Vegetative propagation
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/02Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/062Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Revetment (AREA)

Abstract

The invention relates to a repairing method of steep-bank deep-water type lakeside zones, and belongs to the technical field of ecological environment projects. The repairing method of the steep-bank deep-water type lakeside zones is characterized by comprising three parts of a composite wave elimination system, a hard base repairing part and a plant restoring part, wherein the composite wave elimination system is performed by combining submerged dike wave elimination with float groyne wave elimination; according to the hard base repairing part, environmentally-friendly dredged substrate sludge in a lake is blown to a repairing region, and a shoal is outwards formed along the dam foot of a lake dam; according to the plant restoring part, after the terrain in the hard base repairing region is stable, emerging plants are planted. According to the repairing method disclosed by the invention, recycled resources are effectively utilized, secondary pollution is not generated, and the repairing method has the advantages that the method is simple to construct and obvious in effects, ecosystems can be automatically maintained, management and maintenance are easy at a later stage, and the produced ecological landscape is stable and durable.

Description

A kind of bold shore deep water type lakeside band reparation method
Technical field
The invention belongs to ecotope field of engineering technology, particularly relate to a kind of bold shore deep water type lakeside band reparation method.
Background technology
At present, lakeside band, as one natural protective barrier in lake, is the indispensable integral part of healthy lake ecosystem. The impact of lakeside band ecotope is many-sided by population growth in recent years, rural activity, industry and urbanization activity, politics motion and war, culture and tourist activity etc. Lakeside band is degenerated and had both been shown that lakeside band structure destroyed the lakeside band ecological functions caused and degenerates, also the lakeside band Ecosystem Service decline that ecological functions are degenerated and caused is shown, the production of people in basin, life are had an impact, be mainly reflected in Biological resources atrophy, Flood Damage increases, Freshwater resources decline, human body environmental health threatened, aesthetic values forfeiture etc.
To degeneration lake ecosystem as eutrophic lake carries out restoration of the ecosystem, pay close attention to the ecosystem constructional aspect of lakeside band, recover lakeside band as the distinctive ecological functions of transitional zone, finally the reparation of lake ecosystem can be played active effect. At present, there is many technical barriers in improvement and the restoration of the ecosystem of carrying out lakeside band.
Summary of the invention
The present invention is for solving the technical problem of existence in known technology and provide a kind of bold shore deep water type lakeside band reparation method.
It is an object of the invention to provide one and effectively utilize circulating resources, non-secondary pollution, there is method and build simple, successful, ecosystem self?sustaining, the later stage is easy to management maintenance, and the ecoscape of generation stablizes the bold shore deep water type lakeside band reparation method of the feature such as lasting.
The present invention is to repair for the purpose of the band ecosystem of lakeside, it is provided that a kind of reply revetment is relatively steep, the reparation method of the lakeside band that the depth of water is bigger, and the method specifically comprises compound and disappears wave system, hard substrate reparation, plant recovery etc.
1. restoring area delimited: select to build district to the lake region of extension in lake 500 meters as ecology apart from lake normal water line, investigate the data such as the water level in this region, stormy waves, geology, landform, water quality.
2. hard substrate recovery project: being blown by environmental protection Dredged bed mud in lake to, in restoring area, putting formation shoal, slope along the lake embankment outside 1:30-1:50 of dike pin, shoal bench toe and lake low-water level are put down together.
3. compound disappears wave system: the compound wave system that disappears disappears unrestrained technical combinations and become primarily of the submerged breakwater wave technology that disappears with floating breakwater.
Submerged breakwater disappears wave technology: adopts geotechnique's pipe racks filling (soil property is softer) or grabs and fill out (soil property is harder) technique, submerged breakwater Xiao Lang district is set up in periphery, phytoremediation district, eliminate wave to the infringement of plant, the exchange of inside and outside water body can not be affected simultaneously, cause water body to go bad.
Floating breakwater disappear wave technology: floating breakwater Xiao Lang district is set in submerged breakwater periphery again, wave is once eliminated, by long wave wave height cut down to 50%, floating breakwater adopt anchor chain add buoyancy tank structure, both can not affect water body exchange, ease of assembly and dismounting again.
4. plant recovery engineering: after the landform in Sediment rehabilitation district is stable, emergents such as this ecological region planting reeds. Planting clump soil spherical diameter and be greater than 50cm, in order to stablizing and take root, the every square meter of planting density 1 clump, every clump of seeding row spacing 1m �� 1m, every clump is no less than 60 buds.
The technical scheme that bold shore deep water type lakeside of the present invention band reparation method is taked is:
A kind of bold shore deep water type lakeside band method of reparationing, is characterized in: bold shore deep water type lakeside band reparation method comprises compound and disappears unrestrained system, hard substrate reparation and plant recovery three part; The compound wave system that disappears adopts the submerged breakwater wave that disappears to combine with the floating breakwater wave that disappears; Hard substrate reparation is blown by environmental protection Dredged bed mud in lake to, in restoring area, outwards forming shoal along lake embankment dike pin; Plant recovery plants emergent after the landform in hard substrate reparation district is stable.
Bold shore deep water type lakeside of the present invention band reparation method can also adopt following technical scheme:
Described bold shore deep water type lakeside band reparation method, is characterized in: the submerged breakwater wave that disappears adopts geotechnique's pipe racks filling or grab embankment formula, sets up submerged breakwater Xiao Lang district, eliminates wave to the infringement of plant; Floating breakwater disappear wave adopt in submerged breakwater periphery, floating breakwater Xiao Lang district mode is set again, wave is once eliminated, floating breakwater be anchor chain add disappear wave floating box structure.
Described bold shore deep water type lakeside band reparation method, is characterized in: the wave buoyancy tank that disappears adopts concrete chamber to add foam stuffing composition, and single floating block length 2m��5m, width 2��5m, height 2m��5m are with bolts between floating block.
Described bold shore deep water type lakeside band reparation method, is characterized in: when hard substrate is repaired, putting formation shoal, slope along outside 1:30��50 of embankment dike pin, lake, shoal bench toe and lake low-water level are put down together.
Described bold shore deep water type lakeside band reparation method, is characterized in: during plantation emergent, during plant recovery, plantation reed emergent, plantation width 20��50m; Plant clump soil spherical diameter 50��80cm, planting density every square metre 0.8��1.5 clump, every clump of 60��80 buds.
The advantage that the present invention has and positively effect be:
Bold shore deep water type lakeside band reparation method is owing to have employed the brand-new technical scheme of the present invention, compared with prior art, the present invention is on the basis of hard substrate reparation and plant recovery, adopt the wave mode that disappears of submerged breakwater and floating breakwater combination, both ensure that the water body in whole engineering region exchanged, turn avoid the deep water type lakeside bigger stormy waves of band to the infringement of substrate and plant. This kind of reparation method is with a wide range of applications in lake treatment and restoration of the ecosystem, easy to operate, can not produce secondary pollution, and final-period management is easy, and has suitable Landscape benefit. There is following evident characteristic:
1. pair hard substrate is repaired, and forms the shoal of 1:30-1:50, is conducive to the growth of emergent;
2. utilizing environmental protection dredging markets in lake to carry out Sediment rehabilitation and the filling of sand washing band, effectively utilize circulating resources, real accomplishes non-secondary pollution;
3. plant recovery district is set, forms permeable purification zone, be conducive to purifying and tackling the polluted water flowing to lake;
4. the combination adopting floating breakwater to add submerged breakwater disappears wave technology, long wave is eliminated by for the first time, residue wave is carried out two times and eliminates by the latter, can the bigger stormy waves in effectively preventing ballow to the erosion of the substrate in plant recovery district and emergent and interference, the exchange of water body can be ensured again simultaneously, avoid water body to be detained for a long time and cause water degradation, produce secondary pollution.
5. the surviving rate of emergent is higher, and the speed of growth is very fast;
6. after whole recovery project is implemented, it is not necessary to regular manual maintenance;
7., after the invention process, there is significant Landscape benefit.
Accompanying drawing explanation
Fig. 1 is that sectional schematic diagram repaired by bold shore deep water type lakeside band.
In figure, 1-embankment, 2-shoal, 3-emergent, 4-submerged breakwater, 5-floating breakwater.
Embodiment
For summary of the invention, the Characteristic of the present invention can be understood further, hereby enumerate following examples, and it be described with reference to the accompanying drawings as follows:
With reference to accompanying drawing 1.
Embodiment 1
A kind of bold shore deep water type lakeside band method of reparationing, comprises compound and disappears unrestrained system, hard substrate reparation and plant recovery three part reparation:
One is, the compound wave system that disappears adopts the submerged breakwater wave that disappears to combine with the floating breakwater wave that disappears; The submerged breakwater wave that disappears adopts geotechnique's pipe racks filling or grab embankment formula, sets up submerged breakwater Xiao Lang district, eliminates wave to the infringement of plant; Floating breakwater disappear wave adopt in submerged breakwater periphery, floating breakwater Xiao Lang district mode is set again, wave is once eliminated, floating breakwater be anchor chain add disappear wave floating box structure. The wave buoyancy tank that disappears adopts concrete chamber to add foam stuffing composition, single floating block size 4m, width 3m, with bolts between floating block.
Two are, hard substrate reparation is blown by environmental protection Dredged bed mud in lake to, in restoring area, putting formation shoal, slope along the lake embankment outside 1:40 of dike pin, and shoal bench toe and lake low-water level are put down together.
Three are, plant recovery is after the landform in hard substrate reparation district is stable, plantation reed emergent, plantation width 30m; Plant clump soil spherical diameter 60cm, planting density every square metre 1 clump, every clump of 70 buds.
Embodiment 2
A kind of bold shore deep water type lakeside band reparation method, is made up of restoring area delimitation, hard substrate recovery project, compound wave dissipation engineering, phytoremediation engineering four processes.
1. restoring area delimited
Select to build district to the lake region of extension in lake 500 meters as ecology apart from lake normal water line, investigate the data such as the water level in this region, stormy waves, geology, landform, water quality.
2. hard substrate recovery project
Being blown by environmental protection Dredged bed mud in lake to, in restoring area, putting formation shoal, slope along the lake embankment outside 1:30-1:50 of dike pin, shoal bench toe and lake low-water level are put down together.
3. compound disappear wave system
A. submerged breakwater disappear wave technology:
(1) base treatment
Before geotechnique's geo-tube filling fill, it should basic unit is processed. Geotextile tube bag is directly laid in Xiao Lang district, before paving is put, should can be detrimental to ridge, the eliminating impurities of pipe bag in basic unit; Elevation difference relatively large regions should flatten.
(2) spud
For ensureing that pipe bag does not produce significantly displacement after filling soil, before pipe bag fills soil, first make spud position. Particular location according to the wave region that disappears determines the coordinate at reference mark, spud two ends, when site operation, located the reference mark at two ends by GPS after, drives piles in order with ram engine. The spacing of spud is 1m.
(3) pipe bag is laid
After spud has been squeezed into, carry out the laying of pipe bag.
Pipe bag is put into the scope accomplishing fluently spud in advance, make pipe bag keep as far as possible straight after, the reinforced bands that is produced in advance on bag is fastened on the spud of both sides. Two registration stakes are carried out drawing fixing with wireline after discharging into by bag paving. The quantity of wireline is determined by arranging every a pile, and namely every 2m arranges a wireline. Weather condition bag determines construction before laying time, selects fine and that stormy waves is less operating mode to construct. Bag paving discharges Cheng Houxu and carries out fill construction immediately, prevents overlong time, and stormy waves is on the straight impact of pipe bag.
(4) pipe bag bankets
Then adopt as soil property is relatively hard and grab fill construction. Determine that construction drops into grab bucket ship quantity and transportation in assembled state is refuted according to working-yard bed mud character. During construction, a grab bucket peculiar to vessel is fetched earth in borrow areas, and grab bucket is peculiar to vessel bankets in pipe bag. Can adopt when soil property is softer and fill fill construction. Filling soil should choose the good sand loam of drainage near construction area, Extra-fine sand class soil material as far as possible. Construction adopts water blast gun to carry out Hydraulic slurry making, and concentration of hydraulic mixture is preferably 20%-45%. Utilizing slush pump to carry out filling, pipeline top hole pressure should control at 0.2-0.3Mpa. Owing to adopting filling process, pipe bag is difficult to once shaped, therefore considers that adopting intermittent type repeatedly to blow fills out technique.
(5) pipe bag is sewed up
Take the on-the-spot stitching carrying out pipe bag. Field pipes bag adopts industrial sewing machine to sew up. Sewing line adopts nylon wire, and intensity must not be less than 150N. The suture way of pipe bag should adopt " overseam " or " fourth seam ". If geotextile tube bag is laying and occur that bag damages in stowing operation, should repairing in time, sewing method can adopt outside-cover-type.
B. floating breakwater disappear wave technology
Floating breakwater is made up of the floating block of the wave that disappears, anchor chain, anchor block. Shape according to Xiao Lang district stormy waves data and Sediment rehabilitation district and position, select length and the direction of floating breakwater.
According to Xiao Lang district depth condition, it is determined that length of chain cable and anchor block weight.
The wave buoyancy tank that disappears adopts concrete chamber+foam stuffing composition, goes out the freeboard depth of the wave buoyancy tank that disappears according to stormy waves material computation. Single floating block size 2m��4m, width 2��5m, with bolts between floating block.
4. plant recovery engineering
The emergents such as reed are planted, plantation width 20m, cultivated area 4600 square metres in Sediment rehabilitation district. Planting clump soil spherical diameter and be greater than 50cm, in order to stablizing and take root, planting density every square metre 1 clump, every clump of seeding row spacing 1m �� 1m, every clump is no less than 60 buds. Implantation time terminates before flood season, and seedling is selected to take great Cong, excavates with machinery and gets kind, and planting clump need to all be buried in the earth.
The present embodiment effectively utilizes circulating resources, ensure that engineering region water body exchanges, non-secondary pollution, emergent surviving rate is higher, and the speed of growth is fast, has described easy construction, ecosystem self?sustaining, the features such as the later stage is easy to management maintenance, and Landscape benefit is remarkable, it is possible to effectively repair the lakeside band ecosystem.

Claims (5)

1. a bold shore deep water type lakeside band reparation method, is characterized in that: bold shore deep water type lakeside band reparation method comprises compound and disappears wave system, hard substrate reparation and plant recovery three part; The compound wave system that disappears adopts the submerged breakwater wave that disappears to combine with the floating breakwater wave that disappears; Hard substrate reparation is blown by environmental protection Dredged bed mud in lake to, in restoring area, outwards forming shoal along lake embankment dike pin; Plant recovery plants emergent after the landform in hard substrate reparation district is stable.
2. bold shore deep water type lakeside according to claim 1 band reparation method, is characterized in that: the submerged breakwater wave that disappears adopts geotechnique's pipe racks filling or grab embankment formula, sets up submerged breakwater Xiao Lang district, eliminates wave to the infringement of plant; Floating breakwater disappear wave adopt in submerged breakwater periphery, floating breakwater Xiao Lang district mode is set again, wave is once eliminated, floating breakwater be anchor chain add disappear wave floating box structure.
3. bold shore deep water type lakeside according to claim 2 band reparation method, is characterized in that: the wave buoyancy tank that disappears adopts concrete chamber to add foam stuffing composition, and single floating block length 2m��5m, width 2��5m, height 2m��5m are with bolts between floating block.
4. bold shore deep water type lakeside according to claim 1 band reparation method, is characterized in that: when hard substrate is repaired, putting formation shoal, slope along outside 1:30��50 of embankment dike pin, lake, shoal bench toe and lake low-water level are put down together.
5. bold shore deep water type lakeside according to claim 1 band reparation method, is characterized in that: during plantation emergent, during plant recovery, plantation reed emergent, plantation width 20��50m; Plant clump soil spherical diameter 50��80cm, planting density every square metre 0.8��1.5 clump, every clump of 60��80 buds.
CN201510992434.9A 2015-12-23 2015-12-23 Repairing method of steep-bank deep-water type lakeside zones Pending CN105625253A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108751421A (en) * 2018-08-08 2018-11-06 北京东方园林环境股份有限公司 A kind of anti-wave ecological chinampa and its construction method
CN109626581A (en) * 2018-12-18 2019-04-16 中交上海航道勘察设计研究院有限公司 A kind of method of hydraulic reclamation silty sand and fine sand construction artificial swamp
CN111027130A (en) * 2020-01-02 2020-04-17 天津城建大学 Ecological submerged dike with sea tangle wave dissipation function, design method and design system
CN111893948A (en) * 2020-07-23 2020-11-06 上海市水利工程设计研究院有限公司 Ecological wetland revetment structure based on river and lake terrain remodeling and construction method thereof
CN111937689A (en) * 2020-08-10 2020-11-17 中交第四航务工程局有限公司 Method for ecologically solidifying dredged soil by planting specific plants
CN113431020A (en) * 2021-06-04 2021-09-24 大连海事大学 Coastal shoal ecological beach cultivation method based on dredging soil
CN113557334A (en) * 2018-09-04 2021-10-26 湖泊修复解决方案公司 Lake restoration system and method
CN114232559A (en) * 2022-01-27 2022-03-25 珠江水利委员会珠江水利科学研究院 Beach phytoremediation protection simulation device and beach phytoremediation protection test method
CN114622514A (en) * 2022-04-21 2022-06-14 天津大学 Artificial dredging tidal bay system for ecological restoration of muddy coast
CN114651672A (en) * 2022-04-27 2022-06-24 天津大学 Muddy coast ecological restoration and disaster reduction space system

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108751421A (en) * 2018-08-08 2018-11-06 北京东方园林环境股份有限公司 A kind of anti-wave ecological chinampa and its construction method
CN108751421B (en) * 2018-08-08 2023-07-25 北京东方园林环境股份有限公司 Wind-wave-resistant ecological floating island and construction method thereof
CN113557334A (en) * 2018-09-04 2021-10-26 湖泊修复解决方案公司 Lake restoration system and method
CN109626581A (en) * 2018-12-18 2019-04-16 中交上海航道勘察设计研究院有限公司 A kind of method of hydraulic reclamation silty sand and fine sand construction artificial swamp
CN111027130A (en) * 2020-01-02 2020-04-17 天津城建大学 Ecological submerged dike with sea tangle wave dissipation function, design method and design system
CN111893948A (en) * 2020-07-23 2020-11-06 上海市水利工程设计研究院有限公司 Ecological wetland revetment structure based on river and lake terrain remodeling and construction method thereof
CN111937689A (en) * 2020-08-10 2020-11-17 中交第四航务工程局有限公司 Method for ecologically solidifying dredged soil by planting specific plants
CN113431020A (en) * 2021-06-04 2021-09-24 大连海事大学 Coastal shoal ecological beach cultivation method based on dredging soil
CN114232559A (en) * 2022-01-27 2022-03-25 珠江水利委员会珠江水利科学研究院 Beach phytoremediation protection simulation device and beach phytoremediation protection test method
CN114622514A (en) * 2022-04-21 2022-06-14 天津大学 Artificial dredging tidal bay system for ecological restoration of muddy coast
CN114651672A (en) * 2022-04-27 2022-06-24 天津大学 Muddy coast ecological restoration and disaster reduction space system
CN114651672B (en) * 2022-04-27 2022-12-09 天津大学 Muddy coast ecological restoration and disaster reduction space system

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