CN108396708A - A kind of mask board construction method of resistant to breakage - Google Patents
A kind of mask board construction method of resistant to breakage Download PDFInfo
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- CN108396708A CN108396708A CN201810074484.2A CN201810074484A CN108396708A CN 108396708 A CN108396708 A CN 108396708A CN 201810074484 A CN201810074484 A CN 201810074484A CN 108396708 A CN108396708 A CN 108396708A
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- steel plate
- fixation steel
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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
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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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)
- Revetment (AREA)
Abstract
The invention discloses a kind of mask board construction methods of resistant to breakage, including following construction procedure：A, excavation of foundation pit；B, base treatment；C, the laying of protection slab：(1) fixation steel plate and the laying for increasing steel plate；(2) pouring of concrete；D, it detects.The present invention provides a kind of mask board construction methods of resistant to breakage, construction method advantages of simple, by fixation steel plate, increase steel plate and concrete combines together, form a kind of protection slab, so that the overall structure of protection slab is solid and reliable, it effectively prevent the movement of protection slab, so that the wave resistance of protection slab, anti-current-rush ability are more preferable, extend protection slab uses birthday noodle, so that protection slab is more resistant to strike waters, stream washes away, the setting of template is not needed in practice of construction simultaneously, shortens construction period, reduces hand labor intensity.
Description
Technical field
The present invention relates to a kind of mask board construction methods of resistant to breakage.
Background technology
The external loads side slope such as flow is washed away in order to prevent, and side slope is usually wanted to carry out mask.Currently used mask
Structure mainly has the artificial protection slab of abnormity of placed rockfill, cemented rock, concrete protecting face plate and application breakwater, is lacking
The area concrete protection slab of building stones is the method for economy the most.
Existing concrete protection slab predominantly the effects that preventing surface layer current scour, but be total in wave, flow, underground water
Under same-action, concrete protecting face plate by downward, upward both direction pressure, especially under the action of uplift pressure, concrete
Protection slab unstability is usually expressed as panel and integrally moves up or rotate, and eventually leads to concrete protecting face plate and crack, fracture occurs
The problems such as.
Invention content
Present invention aims at a kind of protection slab construction party of resistant to breakage is provided for deficiency of the prior art
The technical solution of method, construction method advantages of simple by fixation steel plate, increase steel plate and concrete combines together, form a kind of shield
Panel so that the overall structure of protection slab is solid and reliable, effectively prevent the movement of protection slab, and extend protection slab uses birthday noodle,
So that protection slab is more resistant to strike waters, stream washes away.
A kind of mask board construction method of resistant to breakage, which is characterized in that include the following steps：
A, excavation of foundation pit
Exploration scene, to construction river levee carry out foundation excavation, be excavated to design altitude, then use hook machine to construction river levee into
Row is smooth, then measures unwrapping wire；
B, base treatment
The blotter that one layer of 15cm thickness is laid on construction river levee, is used in combination hook machine to carry out smooth compacting, then in rubble pad
The upper layer of layer is laid with one layer of geotextiles film, finally in the top backfill of geotextiles film, backfill thickness control in 15~25cm,
And it is compacted, flattens；
C, the laying of protection slab
(1) fixation steel plate and the laying for increasing steel plate
1) installation of steel plate is fixed first, the gradient along construction river levee is installing first farthest away from the end of river levee
Block fixation steel plate is had fully embedded into the support column of fixation steel plate bottom in soil using piling machine, while in fixation steel plate
Spud pile is squeezed at top, and one end of fixed rope is fixedly connected with spud pile, then the other end of fixed rope is passed through fixation steel plate
On connecting hole, the installation of second piece of fixation steel plate is carried out then along the gradient of river levee, it is ensured that second piece of fixation steel plate it is upper
End face and the lower face of first piece of fixation steel plate fit closely, then fixed rope is passed through the connecting hole on second piece of fixation steel plate,
Then the support column of second piece of fixation steel plate bottom is had fully embedded into soil with piling machine, then carries out third block and fixes steel
The installation of plate, third block fixation steel plate are installed according to the mounting means of second piece of fixation steel plate, until being installed to river levee
The laying of the first row fixation steel plate is completed in bottom, and squeezes into spud pile below the first row fixation steel plate, by fixed rope
The other end is fixedly connected with spud pile；
2) laying for then carrying out the second row fixation steel plate installs fixation steel plate, using piling machine in the top of the gradient
The support column of fixation steel plate bottom is had fully embedded into soil, then adjusts the position of fixation steel plate, it is ensured that left and right is two pieces adjacent
Link block on fixation steel plate snaps onto in card slot block, then further solid between adjacent two pieces of fixation steel plates by fixed steel bars
Fixed, fixed steel bars pass through the mounting hole on link block and card slot block surface to penetrate into soil, avoid the adjacent two blocks of fixed steel in left and right
Dislocation between plate, then spud pile is squeezed on the top of fixation steel plate, one end of fixed rope is fixedly connected with spud pile, then
The other end of fixed rope is passed through into the connecting hole on fixation steel plate, the is carried out then according to the paving mode of the first row fixation steel plate
Two pieces, the installation of third block fixation steel plate until completing the laying of the second row fixation steel plate, then are sequentially completed the third line and fix steel
The laying of plate, until completing the laying of the fixation steel plate of entire river levee；
3) heightening design is carried out to fixation steel plate then according to the wave resistance anti-water flow requirements at river levee to be onstructed, in fixed steel
Steel plate is increased in 2~4 layers of the top laying of plate, first carries out the laying that first layer increases steel plate, will increase the clamped of steel plate bottom
Block snaps onto in the embedded slot on fixation steel plate, while being connected and fixed with fixed rope between steel plate positioned at increasing for a line,
And the both ends of fixed rope are fixedly connected with spud pile, and first layer increases the progress second layer after the completion of steel plate is laid with and increases steel plate
It is laid with, clamped piece that the second layer is increased steel plate bottom snaps onto in the embedded slot that first layer is increased on steel plate, and the second layer is increased
Steel plate carries out the laying that third layer increases steel plate again after the completion of being laid with, until completing last layer increases the laying of steel plate, then uses
Fixed steel bars are further fixed to increasing steel plate with fixation steel plate and are connect, and fixed steel bars, which pass through, increases on steel plate and fixation steel plate
Through hole is connect with soil fixing, is avoided increasing steel plate and fixation steel plate, is increased the dislocation between steel plate；
(2) pouring of concrete
1) first, in accordance with proportioning carry out dispensing weighing, then using agitating device symmetrically measured dispensing be stirred it is mixed
It closes；
2) use spraying machine by the concrete casting mixed to pouring in slot again, until concrete increases steel with top layer
The surface of plate flushes；
D, it detects
Verification is detected to the protection slab constructed.
Further, the step c the step of in (2), using high-pressure blast hydraulic giant to the top to increasing steel plate before concreting
It is rinsed moistening processing inside face and pouring slot.
The present invention is by adopting the above-described technical solution, have the advantages that：
The smart structural design of the present invention is reasonable, using fixation steel plate and the design for increasing steel plate, by fixation steel plate and adds
High steel plate combines together with concrete, forms a kind of structure type of novel protection slab, effectively prevent the movement of protection slab so that
The wave resistance of protection slab, anti-current-rush ability are more preferable, improve protection slab structural strength, and fixed bottom plate is solid by support column and base
Fixed connection, improves the bonding strength between protection slab and base, while can improve a stringer by the design of fixed rope and fix
Bonding strength between steel plate prevents the dislocation between fixation steel plate, and passes through clamped piece between the adjacent fixation steel plate in left and right
It is clamped between embedded slot, then further fixing by fixed steel bars, the connection improved between the adjacent fixation steel plate in left and right is strong
Degree, it is ensured that the stability for the fixation steel plate structure being laid on entire construction river levee face, while can be poured according to practical concrete
Fill the superposition that thickness increase steel plate, it is ensured that the thickness of concrete casting, so that protection slab is suitable for different river levees
Protection setting, increase and be clamped between rigid plate and fixation steel plate, then further fixed with fixed steel bars, avoided between protection slab
Deformation, and the design of protection slab that mask harden structure and the existing whole concrete of the present invention pours can not only reduce energy
Consumption saves construction cost, and the structure of the protection slab of the present invention is more secured so that protection slab be more resistant to strike waters stream wash away and
The impact etc. of wave extends the service life of protection slab, while the setting of template is not needed in practice of construction, shortens construction week
Phase reduces hand labor intensity.
The present invention provides a kind of mask board construction method of resistant to breakage, construction method advantages of simple by fixation steel plate, adds
High steel plate combines together with concrete, forms a kind of protection slab so that the overall structure of protection slab is solid and reliable, effectively prevent protecting
The movement of panel, extend protection slab uses birthday noodle so that protection slab is more resistant to strike waters the washing away of stream.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is fixation steel plate and the mounting structure schematic diagram for increasing steel plate in the present invention；
Fig. 2 is the structural schematic diagram of fixation steel plate in the present invention；
Fig. 3 is the structural schematic diagram for increasing steel plate in the present invention；
Fig. 4 is the bottom surface structure schematic diagram for increasing steel plate in the present invention
Fig. 5 is the attachment structure schematic diagram between adjacent two pieces of fixation steel plates in the present invention.
In figure：1- fixation steel plates；2- support columns；Clamped piece of 3-；4- embedded slots；5- through holes；6- connecting holes；7- is fixed
Rope；8- link blocks；9- card slot blocks；10- mounting holes；11- pours slot；12- increases steel plate.
Specific implementation mode
As shown in Figures 1 to 5, it is a kind of mask board construction method of resistant to breakage of the present invention, includes the following steps：
A, excavation of foundation pit
Exploration scene, to construction river levee carry out foundation excavation, be excavated to design altitude, then use hook machine to construction river levee into
Row is smooth, then measures unwrapping wire；
B, base treatment
The blotter that one layer of 15cm thickness is laid on construction river levee, is used in combination hook machine to carry out smooth compacting, then in rubble pad
The upper layer of layer is laid with one layer of geotextiles film, finally in the top backfill of geotextiles film, backfill thickness control in 15~25cm,
And it is compacted, flattens；
C, the laying of protection slab
(1) fixation steel plate 1 and the laying for increasing steel plate 12
1) installation of steel plate 1 is fixed first, along the gradient of construction river levee farthest away from the end of river levee installation the
One piece of fixation steel plate 1 is had fully embedded into the support column 2 of 1 bottom of fixation steel plate in soil using piling machine, while in fixed steel
Spud pile is squeezed at the top of plate 1, and one end of fixed rope 7 is fixedly connected with spud pile, then the other end of fixed rope 7 is passed through admittedly
Determine the connecting hole 6 on steel plate 1, the installation of second piece of fixation steel plate 1 is carried out then along the gradient of river levee, it is ensured that second piece of fixation
The upper surface of steel plate 1 and the lower face of first piece of fixation steel plate 1 fit closely, then fixed rope 7 is passed through second piece of fixation steel plate 1
On connecting hole 6, then the support column 2 of second piece of 1 bottom of fixation steel plate is had fully embedded into soil with piling machine, then into
The installation of row third block fixation steel plate 1, third block fixation steel plate 1 are installed according to the mounting means of second piece of fixation steel plate 1,
Until the laying of the first row fixation steel plate 1 is completed in the bottom for being installed to river levee, and squeezed into the lower section of the first row fixation steel plate 1
The other end of fixed rope 7 is fixedly connected by spud pile with spud pile；
2) laying for then carrying out the second row fixation steel plate 1 installs fixation steel plate 1, using piling in the top of the gradient
Machine has fully embedded into the support column 2 of 1 bottom of fixation steel plate in soil, then adjusts the position of fixation steel plate 1, it is ensured that left and right is adjacent
Link block 8 on two pieces of fixation steel plates 1 snaps onto in card slot block 9, then by fixed steel bars between adjacent two pieces of fixation steel plates 1
It further fixes, fixed steel bars pass through the mounting hole 10 on 9 surface of link block 8 and card slot block to penetrate into soil, avoid left and right phase
Dislocation between adjacent two pieces of fixation steel plates 1, then spud pile is squeezed on the top of fixation steel plate 1, by one end of fixed rope 7 and admittedly
Determine stake to be fixedly connected, then the other end of fixed rope 7 is passed through into the connecting hole 6 on fixation steel plate 1, steel is fixed then according to the first row
Second piece of the paving mode progress of plate 1, the installation of third block fixation steel plate 1, until the laying of the second row fixation steel plate 1 is completed,
It is sequentially completed the laying of the third line fixation steel plate 1 again, until completing the laying of the fixation steel plate 1 of entire river levee；
3) heightening design is carried out to fixation steel plate 1 then according to the wave resistance anti-water flow requirements at river levee to be onstructed, in fixation
Steel plate 12 is increased in 2~4 layers of the top laying of steel plate 1, first carries out the laying that first layer increases steel plate 12, will increase 12 bottom of steel plate
In the embedded slot 4 that clamped piece 3 of portion snaps onto on fixation steel plate 1, while positioned at increasing between steel plate 12 with fixing with a line
Rope 7 is connected and fixed, and the both ends of fixed rope 7 are fixedly connected with spud pile, and it is laggard that first layer increases the laying completion of steel plate 12
The row second layer increases the laying of steel plate 12, the second layer is increased clamped piece 3 of 12 bottom of steel plate snaps onto first layer and increase steel plate
In embedded slot 4 on 12, the second layer is increased after the completion of steel plate 12 is laid with carries out the laying that third layer increases steel plate 12 again, until complete
Increase the laying of steel plate 12 at last layer, then further fixed with fixation steel plate 1 to increasing steel plate 12 and connect with fixed steel bars,
Fixed steel bars pass through the through hole 5 increased on steel plate 12 and fixation steel plate 1 to be connect with soil fixing, avoid increasing steel plate 12 and consolidating
Determine steel plate 1, increase the dislocation between steel plate 12；
(2) pouring of concrete
1) first, in accordance with proportioning carry out dispensing weighing, then using agitating device symmetrically measured dispensing be stirred it is mixed
It closes；
2) use high-pressure blast hydraulic giant to being rushed to increasing the top surface of steel plate 12 and pouring inside slot 11 before concreting
Wash moistening processing；
3) use spraying machine by the concrete casting mixed to pouring in slot 11 again, until concrete is increased with top layer
The surface of steel plate 12 flushes；
D, it detects
Verification is detected to the protection slab constructed.
The present invention is by adopting the above-described technical solution, have the advantages that：
The smart structural design of the present invention is reasonable, using fixation steel plate 1 and the design for increasing steel plate 12, by fixation steel plate 1
It combines together with concrete with steel plate 12 is increased, forms a kind of structure type of novel protection slab, effectively prevent the shifting of protection slab
It is dynamic so that the wave resistance of protection slab, anti-current-rush ability are more preferable, improve protection slab structural strength, and fixed bottom plate passes through support column 2
It is fixedly connected with base, improves the bonding strength between protection slab and base, while one can be improved by the design of fixed rope 7
Bonding strength between stringer fixation steel plate 1, prevents the dislocation between fixation steel plate 1, and between the adjacent fixation steel plate in left and right 1
By being clamped between clamped piece 3 and embedded slot 4, then further fixing by fixed steel bars, the adjacent fixation steel plate in left and right 1 is improved
Between bonding strength, it is ensured that the stability for 1 structure of fixation steel plate being laid on entire construction river levee face, while can basis
Practical concrete casting thickness increase the superposition of steel plate 12, it is ensured that the thickness of concrete casting, so that protection slab is suitable
Protection for different river levees is arranged, and increases and is clamped between rigid plate and fixation steel plate 1, then is further fixed with fixed steel bars,
Avoid the deformation between protection slab, and the design of protection slab that the mask harden structure of the present invention is poured with existing whole concrete
Energy consumption can be not only reduced, saves construction cost, and the structure of the protection slab of the present invention is more secured so that protection slab is more resistant to
It strikes waters the impact etc. washed away with wave of stream, extends the service life of protection slab, while template is not needed in practice of construction
Construction period is shortened in setting, reduces hand labor intensity.
The present invention provides a kind of mask board construction method of resistant to breakage, construction method advantages of simple, by fixation steel plate 1,
Increase steel plate 12 to combine together with concrete, form a kind of protection slab so that the overall structure of protection slab is solid and reliable, effectively anti-
The only movement of protection slab, extend protection slab uses birthday noodle so that protection slab is more resistant to strike waters the washing away of stream.
It these are only specific embodiments of the present invention, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, for the technique effect for realizing essentially identical, made ground simple change, equivalent replacement or modification etc. are all covered
Among protection scope of the present invention.
Claims (2)
1. a kind of mask board construction method of resistant to breakage, which is characterized in that include the following steps：
A, excavation of foundation pit
Exploration scene carries out foundation excavation to construction river levee, is excavated to design altitude, is then put down to construction river levee with hook machine
It is whole, then measure unwrapping wire；
B, base treatment
The blotter that one layer of 15cm thickness is laid on construction river levee, is used in combination hook machine to carry out smooth compacting, then in blotter
Upper layer is laid with one layer of geotextiles film, and finally in the top backfill of geotextiles film, backfill thickness control is pressed in 15~25cm
Real, pressing；
C, the laying of protection slab
(1) fixation steel plate and the laying for increasing steel plate
1) installation of steel plate is fixed first, the gradient along construction river levee is installing first piece admittedly farthest away from the end of river levee
Determine steel plate, the support column of fixation steel plate bottom is had fully embedded into soil using piling machine, while at the top of fixation steel plate
Spud pile is squeezed into, one end of fixed rope is fixedly connected with spud pile, then the other end of fixed rope is passed through on fixation steel plate
Connecting hole carries out the installation of second piece of fixation steel plate then along the gradient of river levee, it is ensured that the upper surface of second piece of fixation steel plate
It is fitted closely with the lower face of first piece of fixation steel plate, then fixed rope is passed through into the connecting hole on second piece of fixation steel plate, then
The support column of second piece of fixation steel plate bottom is had fully embedded into soil with piling machine, then carries out third block fixation steel plate
Installation, third block fixation steel plate are installed according to the mounting means of second piece of fixation steel plate, until being installed to the bottom of river levee
The laying of the first row fixation steel plate is completed, and spud pile is squeezed into below the first row fixation steel plate, by the another of fixed rope
End is fixedly connected with spud pile；
2) laying for then carrying out the second row fixation steel plate is installed fixation steel plate in the top of the gradient, will be consolidated using piling machine
The support column for determining steel plate bottom has fully embedded into soil, then adjusts the position of fixation steel plate, it is ensured that the adjacent two pieces of fixations in left and right
Link block on steel plate snaps onto in card slot block, then is further fixed between adjacent two pieces of fixation steel plates by fixed steel bars,
Fixed steel bars pass through the mounting hole on link block and card slot block surface to penetrate into soil, avoid the adjacent two pieces of fixation steel plates in left and right it
Between dislocation, then squeeze into spud pile on the top of fixation steel plate, one end of fixed rope be fixedly connected with spud pile, then will consolidate
Surely the other end restricted passes through the connecting hole on fixation steel plate, and second is carried out then according to the paving mode of the first row fixation steel plate
Block, third block fixation steel plate until completing the laying of the second row fixation steel plate, then are sequentially completed the paving of the third line fixation steel plate
If until completing the laying of the fixation steel plate of entire river levee；
3) heightening design is carried out to fixation steel plate then according to the wave resistance anti-water flow requirements at river levee to be onstructed, in fixation steel plate
Steel plate is increased in 2~4 layers of top laying, first carries out the laying that first layer increases steel plate, will increase clamped piece of card of steel plate bottom
Enter in the embedded slot onto fixation steel plate, while being connected and fixed with fixed rope between steel plate positioned at increasing for a line, and
The both ends of fixed rope are fixedly connected with spud pile, and first layer, which is increased, carries out the paving that the second layer increases steel plate after the completion of steel plate is laid with
If clamped piece that the second layer is increased steel plate bottom snaps onto in the embedded slot that first layer is increased on steel plate, the second layer increases steel
Plate carries out the laying that third layer increases steel plate again after the completion of being laid with, until the laying that last layer increases steel plate is completed, then with admittedly
Determine reinforcing bar and further fixed with fixation steel plate to increasing steel plate to connect, fixed steel bars, which pass through, increases passing through on steel plate and fixation steel plate
Perforation is connect with soil fixing, is avoided increasing steel plate and fixation steel plate, is increased the dislocation between steel plate；
(2) pouring of concrete
1) weighing of dispensing is carried out first, in accordance with proportioning, then symmetrically measured dispensing is stirred mixing using agitating device；
2) use spraying machine by the concrete casting mixed to pouring in slot again, until concrete increases steel plate with top layer
Surface flushes；
D, it detects
Verification is detected to the protection slab constructed.
2. a kind of mask board construction method of resistant to breakage according to claim 1, it is characterised in that：The step c's
It is wet to being rinsed inside the top surface and pouring slot to increasing steel plate using high-pressure blast hydraulic giant before concreting in step (2)
Profit processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074484.2A CN108396708B (en) | 2018-01-25 | 2018-01-25 | Anti-crushing protective panel construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074484.2A CN108396708B (en) | 2018-01-25 | 2018-01-25 | Anti-crushing protective panel construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108396708A true CN108396708A (en) | 2018-08-14 |
| CN108396708B CN108396708B (en) | 2020-06-05 |
Family
ID=63094834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810074484.2A Active CN108396708B (en) | 2018-01-25 | 2018-01-25 | Anti-crushing protective panel construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108396708B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550266A (en) * | 2021-08-24 | 2021-10-26 | 中印恒盛(北京)贸易有限公司 | Novel river course bank protection steel wall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2725356Y (en) * | 2004-02-19 | 2005-09-14 | 北京中水科海利工程技术有限公司 | Flexible bank protecting interconnecting body |
| CN206127986U (en) * | 2016-09-22 | 2017-04-26 | 王国青 | A protection system for hydraulic and hydroelectric engineering side slope |
| CN206368306U (en) * | 2017-01-05 | 2017-08-01 | 北京九州有道交通科技有限公司 | A kind of dismountable composite structure layer |
| CN107083762A (en) * | 2017-03-23 | 2017-08-22 | 江苏建筑职业技术学院 | A kind of vegetation ecological concrete protective slope structure and construction method |
-
2018
- 2018-01-25 CN CN201810074484.2A patent/CN108396708B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2725356Y (en) * | 2004-02-19 | 2005-09-14 | 北京中水科海利工程技术有限公司 | Flexible bank protecting interconnecting body |
| CN206127986U (en) * | 2016-09-22 | 2017-04-26 | 王国青 | A protection system for hydraulic and hydroelectric engineering side slope |
| CN206368306U (en) * | 2017-01-05 | 2017-08-01 | 北京九州有道交通科技有限公司 | A kind of dismountable composite structure layer |
| CN107083762A (en) * | 2017-03-23 | 2017-08-22 | 江苏建筑职业技术学院 | A kind of vegetation ecological concrete protective slope structure and construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550266A (en) * | 2021-08-24 | 2021-10-26 | 中印恒盛(北京)贸易有限公司 | Novel river course bank protection steel wall |
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| Publication number | Publication date |
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| CN108396708B (en) | 2020-06-05 |
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