CN106192903B - Tidal-flat area land-based area forms the construction method for building island - Google Patents
Tidal-flat area land-based area forms the construction method for building island Download PDFInfo
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- CN106192903B CN106192903B CN201610621058.7A CN201610621058A CN106192903B CN 106192903 B CN106192903 B CN 106192903B CN 201610621058 A CN201610621058 A CN 201610621058A CN 106192903 B CN106192903 B CN 106192903B
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- 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
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/10—Placing gravel or light material under water inasmuch as not provided for elsewhere
-
- 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
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
The construction method for building island is formed the present invention relates to a kind of tidal-flat area land-based area, is included the following steps:Treatment of soft foundation is carried out to the setting regions of beach;Space is filled in being enclosed in the periphery of setting regions construction building enclosure, the building enclosure;Back-up sand in space is filled to described using sand carrier, to be formed close to unloading for marine site in space in described fill and sand flat platform;The sand filled described in filling in space is compacted to form backfill layer of sand;And be laid with mountain skin stone on the backfill layer of sand and form mountain skin rock layers, and ensure that the absolute altitude of the upper surface of the mountain skin rock layers is higher than peak level absolute altitude at the incoming tide.Using the construction method for building island, it is formed to unload on beach and sands flat platform, it is protected from environmental to avoid backfill sea sand construction, without using carrying out construction operation at the incoming tide, construction time is unrestricted, sand carrier can carry out fortune sand at any time, and the sand shipped is discharged at and is sand flat on platform, effectively increase construction efficiency.
Description
Technical field
The present invention relates to beach land-based area construction field, refers in particular to a kind of tidal-flat area land-based area and form the construction method for building island.
Background technology
In beach marine site, land-based area carries out backfill sea sand construction, is generally affected by construction environment, mainly due to beach
Mud layer depth it is larger so that vehicle cannot directly enter beach to transport the sand on sand carrier.In addition beach is at the incoming tide
It can be covered by tidewater, if can carry out the shipment of sea sand close to land-based area using sand carrier at the incoming tide, the construction time has very much
Limit, operation can be carried out only within the duration of flood tide, will seriously affect construction speed in this way.List is opened up if construction area
Only navigation channel, then construction cost is higher, and the later stage also need to navigation channel carry out backfilling operation, working procedure is more, to construct into
Degree also has large effect.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of tidal-flat area land-based area is provided and forms the construction for building island
Method, solve the construction of backfill sea sand by construction environment be affected and so that the construction time it is limited and seriously affect construction speed
Problem.
Realizing the technical solution of above-mentioned purpose is:
The construction method for building island is formed the present invention provides a kind of tidal-flat area land-based area, is included the following steps:
Treatment of soft foundation is carried out to the setting regions of beach;
Space is filled in being enclosed in the periphery of setting regions construction building enclosure, the building enclosure;
Back-up sand in space is filled to described using sand carrier, to be formed close to unloading for marine site in space in described fill and sand flat
Platform;
The sand filled described in filling in space is compacted to form backfill layer of sand;And
It is laid with mountain skin stone on the backfill layer of sand and forms mountain skin rock layers, and ensure the upper surface of the mountain skin rock layers
Absolute altitude is higher than peak level absolute altitude at the incoming tide.
Using the construction method for building island, formation, which is unloaded, on beach sands flat platform, avoids shadow of the backfill sea sand construction by environment
It rings, without using construction operation is carried out at the incoming tide, the construction time is unrestricted, and sand carrier can carry out fortune sand at any time, and will ship
Sand be discharged at and sand flat on platform.The construction with artificial island method that the present invention uses, effectively increases construction efficiency, it can be ensured that when construction
Between and construction speed do not influenced by construction environment.And construction cost is low, this, which is unloaded, sands flat the platform later stage without removing, and can be used as backfill
Structure is retained, and is connected with Cast-in-situ Piles in Sand-filling structure of the later stage on beach.
Tidal-flat area land-based area of the present invention formed the construction method for building island further improvement lies in that, to the setting regions of beach
Treatment of soft foundation is carried out, including:
In the beach setting regions close to marine site front side construct multiple tracks drain bar, described in discharging consolidation decree
The soft base of beach is consolidated.
Tidal-flat area land-based area of the present invention formed the construction method for building island further improvement lies in that, in the periphery of setting regions
Construction building enclosure, including:
In the setting regions the first building enclosure in prism-frustum-shaped is built using sand pocket heap close to the front side in marine site, described
The bottom surface of one building enclosure is correspondingly arranged with the drain bar, first building enclosure and the side that fill space adjacent
The tilted setting in space is filled to described;
Rear side in the both sides of the setting regions and separate marine site is built using sand pocket heap goes along with sb. to guard him in the second of triangle body shape
Structure, second building enclosure with it is described fill space it is adjacent one it is lateral described fill the tilted setting in space so that
The space of filling is in inverted ladder-shaped body shape.
Tidal-flat area land-based area of the present invention formed the construction method for building island further improvement lies in that, further include:It is enclosed in described
The outer surface of protection structure is laid with bank protection face layer, and the bank protection face layer is built to be formed using sand pocket heap;
The bank protection face layer of front side of the platform close to marine site is sand flat with 1: 1.5 progress slope positioned at described unload;
Positioned at the bank protection face layer for unloading the both sides for sanding flat platform and the rear side far from marine site slope is carried out with 1: 10.
Tidal-flat area land-based area of the present invention formed the construction method for building island further improvement lies in that, determining the setting area
In domain with it is described unload sand flat platform corresponding close to the front side in marine site advanced position when, by the advanced position be selected in more than etc.
At -2 meters of isobaths of the beach.
Tidal-flat area land-based area of the present invention formed the construction method for building island further improvement lies in that, further include unloading sand in described
The fortune sand road for sanding flat platform and land-based area is unloaded described in rear side construction connection of the platform far from marine site, including:
In the construction location back-up sand for transporting sand road to form road back-up sand layer, the two sides of the road back-up sand layer are formed
Slope;
It builds to form road bank protection face layer using sand pocket heap on the slope, by road bank protection face layer with 1: 10
Carry out slope.
Tidal-flat area land-based area of the present invention formed the construction method for building island further improvement lies in that, construction fortune sand road also wraps
It includes:
It is laid with non-woven geotextile on the road back-up sand layer, using the non-woven geotextile by the road back-up sand layer
Top surface covering;
It is laid with one layer of sand pocket on the non-woven geotextile and forms sand pocket layer;
Mountain skin stone is laid on the sand pocket layer to form road mountain skin rock layers.
Tidal-flat area land-based area of the present invention formed the construction method for building island further improvement lies in that, described unload sands flat platform and institute
The elevation for stating fortune sand road is 4.32 meters to 4.86 meters.
Tidal-flat area land-based area of the present invention formed the construction method for building island further improvement lies in that, further include:It is unloaded described
The platform for sanding flat platform is divided into ramming operation area and truck operation area, and for the ramming operation area and the truck operation area it
Between stay and set a safe distance.
Description of the drawings
Fig. 1 is that the vertical view that island is built formed in the construction method on island is built in tidal-flat area land-based area of the present invention formation.
Fig. 2 is the sectional view of P3-P3 in Fig. 1.
Fig. 3 is the sectional view of P4-P4 in Fig. 1.
Fig. 4 is that tidal-flat area land-based area of the present invention forms in the construction method for building island the sectional view for transporting sand road.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
The construction method for building island is formed the present invention provides a kind of tidal-flat area land-based area, for overcoming tidewater and geology etc. no
The influence that sharp construction environment is brought, forms to unload by the way of building island and sands flat platform, is continued by tidewater to avoid the sand supplying of sand carrier
The limitation of time so that sand supplying disclosure satisfy that demand, then carry out Secondary Transport to unloading the sand sand flat on platform to carry out by truck
Land-based area back filling sea sand is constructed.The construction method for building island to tidal-flat area land-based area of the present invention formation below in conjunction with the accompanying drawings illustrates.
First as shown in Figure 1, the front side in close marine site to occurring in the present invention and the rear side far from marine site carry out below
It limits.It unloads and sands flat the front side 21a of platform 21 as setting regions and unload the front side for sanding flat platform 21 close to marine site, front side 21a is to meet sea
Face.Rear side 21b is setting regions and unloads and sand flat rear side of the platform 21 far from marine site, and two side 21c are that setting regions and unloading is sand flat
The both sides of platform 21.
A kind of tidal-flat area land-based area provided by the invention forms the construction method for building island, includes the following steps:
Treatment of soft foundation is carried out to the setting regions of beach, which requires to be selected according to the navigation of sand carrier
It selects.As shown in Figure 1, setting regions sands flat that platform 21 is corresponding with unloading, the position of the setting regions is that the formation that subsequently to construct is unloaded
Sand flat the position of platform 21.
Space is filled in being enclosed in the periphery of setting regions construction building enclosure, the building enclosure, this fills sky
Between be used to form subsequent unload and sand flat platform 21.
Using sand carrier to filling in space back-up sand to be formed close to unloading for marine site in space and sand flat platform 21 filling, in conjunction with
Shown in Fig. 2 and Fig. 3, it is compacted backfill layer of sand 211 to be formed to filling the sand in space, on backfill layer of sand 211
It is laid with mountain skin stone and forms mountain skin rock layers 212, it is ensured that the absolute altitude of the upper surface of mountain skin rock layers 212 is higher than peak level mark at the incoming tide
Height avoids tidewater from flooding to unload and sand flat platform 21.Backfill layer of sand 211 and the thickness of Shan Pi rock layers 212 have codetermined to unload and have sand flat platform 21
Elevation, the thickness for backfilling layer of sand 211 and Shan Pi rock layers 212 selected according to the case where construction site.
It using the above-mentioned construction method for building island, forms to unload on beach and sands flat platform 21, this, which is unloaded, sands flat platform 21 for carrying
The sand that sand carrier ships.Unload by being formed and sand flat platform 21, avoid sand carrier can only drive at the incoming tide beach and to land-based area into
Row sand supplying, avoid sand supplying is influenced by construction environment, effectively increases sand supplying operating efficiency, meets Cast-in-situ Piles in Sand-filling construction demand,
Construction efficiency is improved, is accelerated construction progress, and saves construction cost.This, which is unloaded, sands flat 21 later stage of platform without removing, because beach is back
Back-up sand region, this unload sand flat platform 21 the later stage can be used as backfill structure retained, the Cast-in-situ Piles in Sand-filling constructed on beach with the later stage
Structure is connected.
Since the mud 12 of beach is thicker, causes to unload during sand carrier unloads sand and sand flat platform sliding and because of sea sand
Sedimentation causes to swell excessively high mud packet, and natural ground level is caused to be promoted and influence navigation condition, exists to solve this problem
Beach meet the i.e. sand carrier in sea unload sand face injection draining pump processing software, prevent platform from sliding and grand by discharging consolidation
Excessively high mud packet is played, and ensures that ship close unload as far as possible sands flat platform.The present invention carries out soft base to the setting regions of beach
Processing includes:Beach setting regions close to the front side 21a constructions multiple tracks drain bar 23 in marine site, pass through discharging consolidation decree beach
The soft base of painting is consolidated.Beach includes thicker mud 12 and is located at 12 boulder bed below of mud, the draining squeezed into
Plate 23 is inserted into the bottom of mud 12, which exposes a revealed section at the top of mud 12, and the revealed section of exposing is used
The building enclosure constructed thereon in support and bank protection face layer.Drain bar 23 can prevent from unloading sand flat platform 21 to marine site direction slide,
And be squeezed in mud 12 and make to drain mud 12, to enable mud 12 effectively consolidate, form stable basis.
In conjunction with shown in Fig. 2 and Fig. 3, the present invention includes in the periphery of setting regions construction building enclosure:It is leaned in setting regions
The front side 21a in coastal waters domain builds the first building enclosure 24 in prism-frustum-shaped using sand pocket heap, which is truncated rectangular pyramids
Shape, the size of bottom surface are more than the size of top surface, and first building enclosure 24 side 241 adjacent with space is filled is gone along with sb. to guard him from first
The top surface of structure 24 is to filling the tilted setting in space.Two side 21c in setting regions and the rear side 21b profits far from marine site
Build the second building enclosure 25 in triangle body shape with sand pocket heap, the second building enclosure 25 with fill the side 251 of space vector from
The apex angle of second building enclosure 25 passes through the first building enclosure 24 and the second building enclosure 25 to filling the tilted setting in space
Inclined side so that it is in inverted trapezoidal shape to fill space, and 24 and second building enclosure 25 of such first building enclosure is to filling space
The backfill layer of sand 211 of interior formation can play a supporting role, and prevent the sliding of backfill layer of sand 211 to a certain extent.
The tidal-flat area land-based area of the present invention, which is formed, to be built the construction method on island and further includes:It is laid with shield in the outer surface of building enclosure
Slope surface layer 26, bank protection face layer 26 are built to be formed using sand pocket heap, and platform 21 is sand flat close to the bank protection face of the front side 21a in marine site positioned at unloading
Layer 26 uses 1: 1.5 slope, is adopted with the bank protection face layer 26 of the rear side 21b far from marine site positioned at the both sides 21c for sanding flat platform 21 is unloaded
With 1: 10 slope.Bank protection face layer is set to prevent washing away for tidewater, sands flat platform 21 to unloading and plays a protective role.
In determining setting regions with unload sand flat corresponding close to the front side 21a in the marine site advanced position of platform 21 when, by this
Advanced position is selected at -2 meters of isobaths more than or equal to beach, should -2 meters of isobaths be according to the draft of sand carrier with
And the navigation of sand carrier requires determination.
In conjunction with shown in Fig. 1, it is transported to construction area for ease of unloading the sand for sanding flat and being stacked on platform 21, platform 21 is sand flat far from sea unloading
This unloads the fortune sand road 22 for sanding flat platform 21 and land-based area for the rear side 21b constructions connection in domain, which passes through for haulage vehicle,
It realizes that haulage vehicle will unload to sand flat the sand on platform 21 and be transported to construction area, in conjunction with shown in Fig. 4, construction fortune sand road 22 includes:
In the construction location back-up sand for transporting sand road 22 to form road back-up sand layer 221, the two sides of road back-up sand layer 221 are formed into slope
Face;It builds to form road bank protection face layer 225 using sand pocket heap on the slope, road bank protection face layer 225 is used 1: 10
Slope, it is ensured that the stabilization of bank protection face layer.Sand road 22 is transported in construction:Nonwoven geotechnique is laid on road back-up sand layer 221
Cloth 223 is covered using the top surface of 223 rope-race road back-up sand floor 221 of non-woven geotextile, one layer is laid on non-woven geotextile 223
Sand pocket forms sand pocket layer 224, and mountain skin stone is laid on sand pocket layer 224 to form road mountain skin rock layers 222.Transport sand road 22
Back-up sand construction and unloading sand flat the back-up sand construction of platform 21 using and meanwhile fill out and cover progress.
According to tidal condition, determine the elevation for unloading and sanding flat platform 21 and transporting sand road 22, the high water level of design at 3.32 meters, if
The low water level of meter is at -3.44 meters.It unloads to sand flat platform 21 and transport the crest level of sand road 22 and is higher than 0 meter to 0.5 meter of extreme high water level,
It is 4.32 meters to 4.86 meters that will unload and sand flat the elevation design of platform 21 and fortune sand road 22, preferably, being designed as 4.5 meters.The design
Elevation realized by unloading to sand flat platform 21 and transport the thickness of the back-up sand thickness and Shan Pi stones in sand road 22.212 He of mountain skin rock layers
The thickness of road mountain skin rock layers 222 is 50cm.
Unload and sand flat the width of platform 21 and to meet construction demand, be divided on unloading the platform for sanding flat platform 21 ramming operation area and
Truck operation area, ramming operation area are used to house and bear sand carrier and transport the sand of coming, and truck operation area is used for the passage of truck
And shipment.It is stayed between ramming operation area and truck operation area and sets a safe distance.The width of ramming operation area is at 40 meters to 50
Between rice, truck operation area unloads between 60 meters to 100 meters and sands flat the width of platform 21 and take 100 meters, length takes 300 meters, unloads sand in this way
Platform 21 is square structure.
It is constructed using unloading to sand flat platform and transport sand channel to meet the back-up sand of front and back beach land-based area, avoids the shadow of construction environment
It rings, sand carrier can sand flat platform progress sand supplying to unloading at any time, be fully able to meet the needs of construction, trucks entering transports sand channel to unloading
It sands flat the sand stored on platform and carries out Secondary Transport, the activity duration of truck and sand carrier is not influenced by tidewater, can be effective
Ensure the construction operation time, improves construction efficiency.
It is also back-up sand construction area to unload the beach for sanding flat platform and transporting residing for sand channel, so unloading for being formed sands flat platform and fortune sand
Channel gives reservation without removal directly as back-up sand structure, and the process for having saved construction also saves construction cost,
With larger economic benefit.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (9)
1. a kind of tidal-flat area land-based area forms the construction method for building island, which is characterized in that include the following steps:
Treatment of soft foundation is carried out to the setting regions of beach;
Space is filled in being enclosed in the periphery of setting regions construction building enclosure, the building enclosure;
Back-up sand in space is filled to described using sand carrier, to be formed close to unloading for marine site in space in described fill and sand flat platform;
The sand filled described in filling in space is compacted to form backfill layer of sand;And
It is laid with mountain skin stone on the backfill layer of sand and forms mountain skin rock layers, and ensures the absolute altitude of the upper surface of the mountain skin rock layers
Higher than peak level absolute altitude at the incoming tide.
2. tidal-flat area land-based area as described in claim 1 forms the construction method for building island, which is characterized in that the setting to beach
Region carries out treatment of soft foundation, including:
In the beach setting regions close to marine site front side construct multiple tracks drain bar, pass through beach described in discharging consolidation decree
Soft base consolidated.
3. tidal-flat area land-based area as claimed in claim 2 forms the construction method for building island, which is characterized in that in setting regions
Periphery construction building enclosure, including:
The first building enclosure in prism-frustum-shaped is built using sand pocket heap close to the front side in marine site in the setting regions, described first encloses
The bottom surface of protection structure is correspondingly arranged with the drain bar, first building enclosure and the lateral institute that fill space adjacent
It states and fills the tilted setting in space;
Rear side in the both sides of the setting regions and separate marine site builds the second building enclosure in triangle body shape using sand pocket heap,
Second building enclosure with it is described fill space it is adjacent one it is lateral described fill the tilted setting in space so that described fill out
It is in inverted ladder-shaped body shape to build space.
4. tidal-flat area land-based area as described in claim 1 forms the construction method for building island, which is characterized in that further include:In institute
The outer surface for stating building enclosure is laid with bank protection face layer, and the bank protection face layer is built to be formed using sand pocket heap;
Positioned at the bank protection face layer for sanding flat front side of the platform close to marine site that unloads with 1:1.5 carry out slope;
Positioned at the bank protection face layer for unloading the both sides for sanding flat platform and the rear side far from marine site with 1:10 carry out slope.
5. tidal-flat area land-based area as described in claim 1 forms the construction method for building island, which is characterized in that set described in determination
Determine in region with it is described unload sand flat platform corresponding close to the front side in marine site advanced position when, the advanced position is selected in greatly
At -2 meters of isobaths equal to the beach.
6. tidal-flat area land-based area as described in claim 1 forms the construction method for building island, which is characterized in that further include in described
It unloads to sand flat and unloads the fortune sand road for sanding flat platform and land-based area described in rear side construction connection of the platform far from marine site, including:
In the construction location back-up sand for transporting sand road to form road back-up sand layer, the two sides of the road back-up sand layer are formed into slope
Face;
It builds to form road bank protection face layer using sand pocket heap on the slope, by road bank protection face layer with 1:10 carry out
Slope.
7. tidal-flat area land-based area as claimed in claim 6 forms the construction method for building island, which is characterized in that construction fortune sand road
Further include:
It is laid with non-woven geotextile on the road back-up sand layer, using the non-woven geotextile by the top of the road back-up sand layer
Face covers;
It is laid with one layer of sand pocket on the non-woven geotextile and forms sand pocket layer;
Mountain skin stone is laid on the sand pocket layer to form road mountain skin rock layers.
8. tidal-flat area land-based area as claimed in claim 6 forms the construction method for building island, which is characterized in that described unload sands flat platform
Elevation with the fortune sand road is 4.32 meters to 4.86 meters.
9. tidal-flat area land-based area as described in claim 1 forms the construction method for building island, which is characterized in that further include:By institute
It states and unloads the platform for sanding flat platform and be divided into ramming operation area and truck operation area, and be the ramming operation area and the truck operation
It is stayed between area and sets a safe distance.
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Citations (3)
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CN101082211A (en) * | 2007-05-15 | 2007-12-05 | 南京工业大学 | Large-area dredging dredger fill foundation treatment method and water seepage pipe thereof |
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JP4736444B2 (en) * | 2004-01-28 | 2011-07-27 | Jfeスチール株式会社 | Construction method of shallow ground |
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2016
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CN101270571A (en) * | 2007-03-20 | 2008-09-24 | 张伯谦 | Reinforcing method for demixing sole weight, prepressing water discharge concretion combination dynamic consolidation soft ground base |
CN101082211A (en) * | 2007-05-15 | 2007-12-05 | 南京工业大学 | Large-area dredging dredger fill foundation treatment method and water seepage pipe thereof |
CN202925540U (en) * | 2012-11-15 | 2013-05-08 | 上海市政工程设计研究总院(集团)有限公司 | Arrangement structure of device for processing soft soil foundation in coastal reclamation region |
Non-Patent Citations (1)
Title |
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