CN109056654A - A kind of geotechnical grid encloses low bank between fields and its construction method - Google Patents
A kind of geotechnical grid encloses low bank between fields and its construction method Download PDFInfo
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- CN109056654A CN109056654A CN201811078863.5A CN201811078863A CN109056654A CN 109056654 A CN109056654 A CN 109056654A CN 201811078863 A CN201811078863 A CN 201811078863A CN 109056654 A CN109056654 A CN 109056654A
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- geotechnical grid
- side slope
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- 238000010276 construction Methods 0.000 title claims description 15
- 239000004576 sand Substances 0.000 claims abstract description 11
- 238000004181 pedogenesis Methods 0.000 claims abstract 2
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 9
- 238000004062 sedimentation Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000011162 core material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010003671 Atrioventricular Block Diseases 0.000 description 1
- 208000010271 Heart Block Diseases 0.000 description 1
- 241000604017 Lysimachia sikokiana Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- UZVHFVZFNXBMQJ-UHFFFAOYSA-N butalbital Chemical compound CC(C)CC1(CC=C)C(=O)NC(=O)NC1=O UZVHFVZFNXBMQJ-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/18—Reclamation of land from water or marshes
-
- 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
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- Ocean & Marine Engineering (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
Abstract
The present invention provides a kind of geotechnical grid and encloses low bank between fields, and main body is multilayer geotechnique lattice, and sand or rubble are filled in the cell compartment of geotechnological lattice or low bank between fields is enclosed in soil formation.Another geotechnical grid encloses low bank between fields, and two sides side slope is built by multilayer geotechnique's lattice and formed, and dike cubsoil is filled between the side slope of two sides.The present invention enclose low bank between fields side slope have good globality and sedimentation adaptability, have powerful laterally limiting and biggish rigidity, can achieve increase Slope than, reduce enclose low bank between fields section, reduce material outward transport cost, saving project cost purpose.
Description
Technical field
The invention belongs to port engineering field, it is related to enclosing low bank between fields technology, especially a kind of geotechnical grid encloses low bank between fields and its construction party
Method.
Background technique
It is mainly used for carrying out corral to barged-in fill construction area currently, enclosing low bank between fields, is the body structure portion of Dredger Filling Engineering,
It is one of the major project measure of coast protection.It is to protect coastal area from stormy waves, the barrier of storm tide invasion and river
The guarantee of mouth area flood control.
The structure type for enclosing low bank between fields is chosen mainly according to the natural conditions of engineered locations, material source, requirement and construction
Condition etc. will also comprehensively consider the factor of technology, economy etc..It is idle based on technology and construction equipment ability, both at home and abroad
The low bank between fields that encloses of early stage uses jackstone sloping breakwater structure type substantially, and only according to the difference of working condition, some uses timber Lysimachia sikokiana
The bag low bank between fields dike heart, some directly adopt jackstone dike heart block stone mask.
For low bank between fields is enclosed at sea, the effects of wave, storm tide, ocean current, there is important influence to its stability.With
The progress of construction technology and material science and going deep into for theoretical research, there has also been considerable hairs for the marine structure type for enclosing low bank between fields
Exhibition.In addition to traditional sloping breakwater form, and the large diameter cylinder for occurring being more suitable for profundal zone (mud face is below -2.0m) is upright
The new structures such as dike, caisset upstanding bank, stake formula upstanding bank, curtain wall type breakwater, semicircular breakwater.
With the development of geotextile technology, the dike core material for enclosing low bank between fields develops there has also been further.It gradually derives and fills sand
The substitute of the bag dike heart, traditional jackstone dike heart such as fill the mud bag dike heart, the big pipe bag dike heart.Using large volume soil in external hydraulic engineering
Work fabric mould bag is very universal, wherein than more typical " geotechnique's packet " technology such as Holland, current country water conservancy water carrier
Cheng Caiyong mould bag sand is also quite extensive by dike.Into after people's 21 century, and there is mold bag curing soil enclosing as dike core material
Dike.
The low bank between fields that encloses of reclamation engineering is built on mud flat more, and the low bank between fields structure type of enclosing being most widely used still passes
The sloping breakwater form of system.The dike heart of sloping breakwater generally uses block stone.The area in short supply to building stones source, mostly uses in the past and cuts into a mountain
Stone or rock ballast substitute, and with the promotion and application of geotextile, large mud bag and the small-sized bagged sand bag of throwing substitute dike
The application of cardiolith is more and more wider.But such low bank between fields that encloses often has that cross-sectional area is larger, project amount is larger, globality is poor
The shortcomings that.
When enclosing one timing of low bank between fields heights of roofs and bottom height, the cross-sectional area for enclosing low bank between fields is mainly influenced by top width degree and grade of side slope.
Based on this consideration, the present invention, which proposes to construct using geotechnical grid, encloses low bank between fields side slope.Geotechnical grid (Geocell) is one kind by high score
Sub- tridimensional network of the wide band of polymer through being strongly welded, it is capable of expansion and contraction, and when transport, which can contract, to gather into folds, and uses inch
It opens, and the materials such as back-up sand, rubble or soil in cell compartment, constitutes the structure with powerful laterally limiting and big rigidity.It
It can be used to make bed course, improve soft foundation bearing capacity；It can also be laid on slope surface, constitute slope protection structure；It may further be used to build
Make retaining structure etc..It is now widely used in the engineerings such as shallow layer foundation processing, slope surface erosion control and the support of city large-scale pipeline.It is one
The rising foundation engineering construction material of kind.Currently, geotechnical grid is relatively more in the application study of retaining wall, but will be native
The research that work cell compartment is used to enclose low bank between fields is also seldom.Geotechnical grid is used to enclose the building of low bank between fields side slope, Slope ratio can be increased, thus
Low bank between fields section is enclosed in reduction, achievees the purpose that save project cost.In addition, this method can also be used for building for embankment on reclaimed ground
If equally can reduce embankment section, achieve the purpose that save project cost.
Summary of the invention
The object of the present invention is to provide a kind of geotechnical grids to enclose low bank between fields, is successively laid with geotechnical grid, and fill in cell compartment
The materials such as back-up sand, rubble or soil are constructed with this and enclose low bank between fields side slope, are had powerful laterally limiting and biggish rigidity, be can achieve
Increase Slope than, reduce enclose low bank between fields section, save project cost purpose.
Realize the technical solution of the present invention is as follows:
A kind of geotechnical grid encloses low bank between fields, and main body is multilayer geotechnique lattice, and sand or rubble or mud are filled in the cell compartment of geotechnological lattice
Soil, which is formed, encloses low bank between fields.The construction method for enclosing low bank between fields includes the following steps:
(1) it is laid with geotechnical grid fill stratum upwards in turn on the basis of completed；
(2) to it is lower and on, upper layer geotechnical grid is certain to be formed with respect to lower layer's geotechnical grid certain distance that inwardly bounces back
Grade of side slope；
(3) start hydraulic reclamation when geotechnical grid fill stratum is laid with to certain altitude；
(4) alternately geotechnical grid fill stratum is laid with and hydraulic reclamation, until enclosing at the top of low bank between fields.
Moreover, upper and lower two layers adjacent of geotechnical grid is connected by Bar Anchorage.
Layback rib tape in inland is set in the inslope for enclosing low bank between fields as needed, inland layback rib tape is using high-intensitive geotechnological lattice
Grid or the geotechnical grid of filling.
As needed enclose low bank between fields border on the sea side slope setting mask, mask select barrier board, torsion-bending ratio.
Another geotechnical grid encloses low bank between fields, and two sides side slope is built by multilayer geotechnique's lattice and formed, filled between the side slope of two sides
Dike cubsoil.The construction method for enclosing low bank between fields includes the following steps:
(1) it is laid with geotechnical grid fill stratum upwards in turn on the basis of completed；
(2) to it is lower and on, upper layer geotechnical grid is certain to be formed with respect to lower layer's geotechnical grid certain distance that inwardly bounces back
Grade of side slope；
(3) dike cubsoil is filled between the two sides side slope that geotechnical grid is formed, until enclosing at the top of low bank between fields；
(4) internal lacing wire band connection two sides geotechnique's lattice side slope is arranged in appropriate location in fill stratum.
Moreover, upper and lower two layers adjacent of geotechnical grid is connected by Bar Anchorage.
Layback rib tape in inland is set in the inslope for enclosing low bank between fields as needed, inland layback rib tape is using high-intensitive geotechnological lattice
Grid or the geotechnical grid of filling.
As needed enclose low bank between fields border on the sea side slope setting mask, mask select barrier board, torsion-bending ratio.
The advantages and benefits of the present invention are:
A kind of geotechnical grid provided by the invention encloses low bank between fields, and advantage, which is mainly reflected in the low bank between fields side slope of enclosing constructed in this approach, to be had
Good globality and sedimentation adaptability, have powerful laterally limiting and biggish rigidity, can achieve increasing Slope ratio,
Reduce the purpose for enclosing low bank between fields section, reducing material outward transport cost, saving project cost.Element can be used in dike heart filling material in the present invention
Soil can gather materials on the spot, and, light-weight, good integrity smaller than sand material dike heart density encloses low bank between fields antiscour, entirety than common clay
Property is good.Inland layback rib tape can play anchorage effect, provide horizontal pull to enclose low bank between fields low bank between fields body, low bank between fields overall stability is enclosed in raising.
Two side wall low bank between fields side slopes can be connected into an entirety by internal bar strip, and low bank between fields low bank between fields body globality is enclosed in raising.
Detailed description of the invention
Fig. 1 is that embodiment 1 encloses low bank between fields structural schematic diagram；
Fig. 2 is that embodiment 2 encloses low bank between fields structural schematic diagram；
Fig. 3 is that embodiment 3 encloses low bank between fields structural schematic diagram；
Fig. 4 is that embodiment 4 encloses low bank between fields structural schematic diagram.
1 in figure, completed basis；2, geotechnical grid fill stratum；3, low bank between fields top structure layer is enclosed；4, inland layback rib tape；
5, barged-in fill in low bank between fields is enclosed；6, former mud face；7, the outer sea of low bank between fields is enclosed；8, mask；9, internal bar strip；10, dike cubsoil.
Specific embodiment
The invention will be further described with reference to the accompanying drawing and by specific embodiment, and following embodiment is descriptive
, it is not restrictive, this does not limit the scope of protection of the present invention.
Embodiment 1 (such as Fig. 1):
A kind of geotechnical grid encloses low bank between fields, and main body is multilayer geotechnique lattice, and sand or rubble or mud are filled in the cell compartment of geotechnological lattice
Soil, which is formed, encloses low bank between fields.In the inslope for enclosing low bank between fields, layback rib tape in inland is set.
Construction method are as follows:
1, it is laid with soil upwards in turn on completed basis (using corresponding based process measure according to the actual situation)
Work cell compartment fill stratum；
2, every layer of geotechnical grid bounces back certain distance inwardly to form certain grade of side slope；
3, start hydraulic reclamation when geotechnical grid fill stratum is laid with to certain altitude, need to choose whether to need while hydraulic reclamation
Layback rib tape in inland is set；
4, alternately geotechnical grid fill stratum is laid with and hydraulic reclamation, until enclosing at the top of low bank between fields；
5, it is connected between every layer of geotechnical grid and neighbouring geotechnical grid with Bar Anchorage；
6, the geotechnical grid of high-strength earth work grille or filling can be used in layback rib tape in inland.
Embodiment 2 (such as Fig. 2):
A kind of geotechnical grid encloses low bank between fields, and main body is multilayer geotechnique lattice, and sand or rubble or mud are filled in the cell compartment of geotechnological lattice
Soil, which is formed, encloses low bank between fields.In the inslope for enclosing low bank between fields, layback rib tape in inland is set.Enclose low bank between fields border on the sea side setting mask.
Construction method are as follows:
1, it is laid with soil upwards in turn on completed basis (using corresponding based process measure according to the actual situation)
Work cell compartment fill stratum；
2, every layer of geotechnical grid bounces back certain distance inwardly to form certain grade of side slope；
3, start hydraulic reclamation when geotechnical grid fill stratum is laid with to certain altitude, need to choose whether to need while hydraulic reclamation
Layback rib tape in inland is set；
4, alternately geotechnical grid fill stratum is laid with and hydraulic reclamation, until enclosing at the top of low bank between fields；
5, it is connected between every layer of geotechnical grid and neighbouring geotechnical grid with Bar Anchorage；
6, the geotechnical grid of high-strength earth work grille or filling can be used in layback rib tape in inland；
7, it borders on the sea side setting mask enclosing low bank between fields, mask can select the forms such as barrier board, torsion-bending ratio as needed.
Embodiment 3 (such as Fig. 3):
A kind of geotechnical grid encloses low bank between fields, and two sides side slope is built by multilayer geotechnique's lattice and formed, and the dike heart is filled between the side slope of two sides
Soil.Lacing wire band connection two sides geotechnique's lattice side slope in being arranged in dike cubsoil.In inslope, layback rib tape in inland is set.
Construction method are as follows:
1, it is laid with soil upwards in turn on completed basis (using corresponding based process measure according to the actual situation)
Work cell compartment fill stratum；
2, every layer of geotechnical grid bounces back certain distance backward to form certain grade of side slope；
3, dike cubsoil is filled between the two sides side slope that geotechnical grid is formed, until enclosing at the top of low bank between fields；
4, internal bar strip is arranged in appropriate location in fill stratum；
5, it chooses whether to need that layback rib tape in inland is arranged while hydraulic reclamation as needed；
6, it is connected between every layer of geotechnical grid and neighbouring geotechnical grid with Bar Anchorage；
7, the geotechnical grid of high-strength earth work grille or filling can be used in internal bar strip and inland layback rib tape.
Embodiment 4 (such as Fig. 4):
A kind of geotechnical grid encloses low bank between fields, and two sides side slope is built by multilayer geotechnique's lattice and formed, and the dike heart is filled between the side slope of two sides
Soil.Lacing wire band connection two sides geotechnique's lattice side slope in being arranged in dike cubsoil.In inslope, layback rib tape in inland is set.Enclosing low bank between fields
Border on the sea side setting mask.
Construction method are as follows:
1, it is laid with soil upwards in turn on completed basis (using corresponding based process measure according to the actual situation)
Work cell compartment fill stratum；
2, every layer of geotechnical grid bounces back certain distance backward to form certain grade of side slope；
3, dike cubsoil is filled between the two sides side slope that geotechnical grid is formed, until enclosing at the top of low bank between fields；
4, internal bar strip is arranged in appropriate location in fill stratum；
5, it chooses whether to need that layback rib tape in inland is arranged while hydraulic reclamation as needed；
6, it is connected between every layer of geotechnical grid and neighbouring geotechnical grid with Bar Anchorage.
7, the geotechnical grid of high-strength earth work grille or filling can be used in internal bar strip and inland layback rib tape；
8, it borders on the sea side setting mask enclosing low bank between fields, mask can select the forms such as barrier board, torsion-bending ratio as needed.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, under the premise of not departing from inventive concept, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (10)
1. a kind of geotechnical grid encloses low bank between fields, it is characterised in that: its main body be multilayer geotechnique lattice, in the cell compartment of geotechnological lattice fill sand or
Low bank between fields is enclosed in rubble or soil formation.
2. geotechnical grid according to claim 1 encloses low bank between fields, it is characterised in that: the construction method for enclosing low bank between fields includes the following steps:
(1) it is laid with geotechnical grid fill stratum upwards in turn on the basis of completed；
(2) to it is lower and on, upper layer geotechnical grid bounces back certain distance inwardly with respect to lower layer's geotechnical grid to form certain side slope
The gradient；
(3) start hydraulic reclamation when geotechnical grid fill stratum is laid with to certain altitude；
(4) alternately geotechnical grid fill stratum is laid with and hydraulic reclamation, until enclosing at the top of low bank between fields.
3. geotechnical grid according to claim 1 or 2 encloses low bank between fields, it is characterised in that: upper and lower two layers adjacent of geotechnical grid is logical
Cross Bar Anchorage connection.
4. geotechnical grid according to claim 1 or 2 encloses low bank between fields, it is characterised in that: as needed in the inslope for enclosing low bank between fields
Layback rib tape in inland is set, and inland layback rib tape is using high-strength earth work grille or the geotechnical grid of filling.
5. geotechnical grid according to claim 1 or 2 encloses low bank between fields, it is characterised in that: border on the sea side slope enclosing low bank between fields as needed
Mask is set, and mask selects barrier board, torsion-bending ratio.
6. a kind of geotechnical grid encloses low bank between fields, it is characterised in that: two sides side slope is built by multilayer geotechnique's lattice and formed, between the side slope of two sides
Fill dike cubsoil.
7. geotechnical grid according to claim 6 encloses low bank between fields, it is characterised in that: the construction method for enclosing low bank between fields includes the following steps:
(1) it is laid with geotechnical grid fill stratum upwards in turn on the basis of completed；
(2) to it is lower and on, upper layer geotechnical grid bounces back certain distance inwardly with respect to lower layer's geotechnical grid to form certain side slope
The gradient；
(3) dike cubsoil is filled between the two sides side slope that geotechnical grid is formed, until enclosing at the top of low bank between fields；
(4) internal lacing wire band connection two sides geotechnique's lattice side slope is arranged in appropriate location in fill stratum.
8. geotechnical grid according to claim 6 or 7 encloses low bank between fields, it is characterised in that: upper and lower two layers adjacent of geotechnical grid is logical
Cross Bar Anchorage connection.
9. geotechnical grid according to claim 6 or 7 encloses low bank between fields, it is characterised in that: as needed in the inslope for enclosing low bank between fields
Layback rib tape in inland is set, and inland layback rib tape is using high-strength earth work grille or the geotechnical grid of filling.
10. geotechnical grid according to claim 6 or 7 encloses low bank between fields, it is characterised in that: border on the sea side slope enclosing low bank between fields as needed
Mask is set, and mask selects barrier board, torsion-bending ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811078863.5A CN109056654A (en) | 2018-09-17 | 2018-09-17 | A kind of geotechnical grid encloses low bank between fields and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811078863.5A CN109056654A (en) | 2018-09-17 | 2018-09-17 | A kind of geotechnical grid encloses low bank between fields and its construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972468A (en) * | 2019-03-19 | 2019-07-05 | 温州大学 | A kind of construction method for reinforcing hydraulic fill sand embankment |
| CN114045791A (en) * | 2021-10-15 | 2022-02-15 | 天津津港建设有限公司 | Construction process and construction equipment for alkali residue soil hydraulic reclamation dam |
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| CN202718131U (en) * | 2012-08-23 | 2013-02-06 | 浙江恒亮建设有限公司 | Novel geocell ecological retaining wall |
| CN103088833A (en) * | 2013-01-21 | 2013-05-08 | 中南大学 | Assembly-type ecological net face geogrid pulling-opposite-type supporting structure |
| JP2014091915A (en) * | 2012-10-31 | 2014-05-19 | Railway Technical Research Institute | Method for constructing tide embankment by fill reinforced earth method using honeycomb structure and planar reinforcement |
| CN103882832A (en) * | 2014-04-02 | 2014-06-25 | 刘红静 | Multi-stage sea reclamation method and sea reclamation cofferdam structure |
| CN107558480A (en) * | 2017-07-07 | 2018-01-09 | 江苏省镇江市路桥工程总公司 | The construction method of the reinforced ecological slope protection structure of roadbed three-dimensional water discharge |
| CN209227482U (en) * | 2018-09-17 | 2019-08-09 | 天津市北洋水运水利勘察设计研究院有限公司 | A kind of geotechnical grid encloses low bank between fields |
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2018
- 2018-09-17 CN CN201811078863.5A patent/CN109056654A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202718131U (en) * | 2012-08-23 | 2013-02-06 | 浙江恒亮建设有限公司 | Novel geocell ecological retaining wall |
| JP2014091915A (en) * | 2012-10-31 | 2014-05-19 | Railway Technical Research Institute | Method for constructing tide embankment by fill reinforced earth method using honeycomb structure and planar reinforcement |
| CN103088833A (en) * | 2013-01-21 | 2013-05-08 | 中南大学 | Assembly-type ecological net face geogrid pulling-opposite-type supporting structure |
| CN103882832A (en) * | 2014-04-02 | 2014-06-25 | 刘红静 | Multi-stage sea reclamation method and sea reclamation cofferdam structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972468A (en) * | 2019-03-19 | 2019-07-05 | 温州大学 | A kind of construction method for reinforcing hydraulic fill sand embankment |
| CN114045791A (en) * | 2021-10-15 | 2022-02-15 | 天津津港建设有限公司 | Construction process and construction equipment for alkali residue soil hydraulic reclamation dam |
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