CN110670577A - Reinforcing device for marine Larsen steel sheet pile and construction method thereof - Google Patents
Reinforcing device for marine Larsen steel sheet pile and construction method thereof Download PDFInfo
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- CN110670577A CN110670577A CN201910942175.7A CN201910942175A CN110670577A CN 110670577 A CN110670577 A CN 110670577A CN 201910942175 A CN201910942175 A CN 201910942175A CN 110670577 A CN110670577 A CN 110670577A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
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Abstract
The invention discloses a reinforcing device for an offshore Larsen steel sheet pile and a construction method thereof, wherein the reinforcing device comprises the following steps: the side part of the U-shaped steel is mutually welded with the outer wall of the steel sheet pile, two wings of the U-shaped steel are vertically arranged and are perpendicular to the steel sheet pile, an opening between the two wings of the U-shaped steel is back to the steel sheet pile and is provided with a first threaded hole and a second threaded hole, the two wings of the U-shaped steel are respectively and horizontally provided with the first threaded hole and the second threaded hole, the first threaded hole and the second threaded hole are used for horizontally penetrating through bolts, a support rod is obliquely arranged, the upper end of the support rod is horizontally provided with a third threaded hole, the lower end of the support rod is used for extending into seawater, one bolt is used for fixing the upper end of the support rod between the two wings of the U-shaped steel, a fixing plate is made of steel; according to the invention, the support rod is arranged to support the steel sheet pile, so that the steel sheet pile is not easy to topple over, the support rod is supported by the fixing plate, and sludge is compacted after the fixing plate is pressed by the support rod.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of steel sheet pile construction, and particularly relates to a reinforcing device for an offshore Larsen steel sheet pile and a construction method thereof.
[ background of the invention ]
The Larsen steel sheet pile is also called a U-shaped steel sheet pile and is used as a novel building material for serving as a soil retaining wall, a water retaining wall and a sand retaining wall when a bridge cofferdam is built, a large pipeline is laid and a temporary ditch is excavated; the method plays an important role in engineering, and is used as a retaining wall, an embankment revetment and the like in wharfs and unloading yards. The Larsen steel sheet pile cofferdam is green and environment-friendly, has high construction speed and low construction cost, and has a good waterproof function. The Larsen steel sheet pile has very wide application, and can be used for wharfs, unloading yards, embankment revetments, retaining walls, breakwaters, diversion dams, docks, gates and the like in permanent structure buildings; on the temporary structures, the construction method can be used for retaining soil, water and sand for sealing mountains, temporarily expanding banks, cutting off, building bridges and cofferdams, laying temporary ditches on large pipelines and excavating, and the like; can be used for flood control, collapse prevention, sand drift prevention and the like in flood fighting and emergency rescue.
In recent years, with the rapid development of economy in China, the construction of various infrastructures is increasing day by day. The Larsen steel sheet pile cofferdam construction is carried out more and more at sea, and the earth piling construction is carried out in the cofferdam, so that huge pressure difference is generated inside and outside the cofferdam, and the displacement of the steel sheet pile is caused, thereby influencing the stability of the steel sheet pile. At present, the original design is mainly changed, and the steel pipe pile is adopted, so that the construction cost is greatly increased, and the construction period is prolonged.
[ summary of the invention ]
The invention aims to provide a reinforcing device for a marine Larsen steel sheet pile and a construction method thereof, and aims to solve the problem that the steel sheet pile is easy to topple.
The invention adopts the following technical scheme: a reinforcement device for a marine larsen steel sheet pile, comprising:
a U-shaped steel which consists of two wings arranged in parallel and side parts vertical to the two wings, the side parts are welded with the outer wall of the steel sheet pile, the two wings are vertically arranged and are vertical to the steel sheet pile, an opening between the two wings is arranged opposite to the steel sheet pile, a first threaded hole and a second threaded hole are respectively and horizontally arranged on the two wings, the first threaded hole and the second threaded hole are used for a bolt to horizontally pass through,
a supporting rod which is obliquely arranged, the upper end of the supporting rod is horizontally provided with a third threaded hole, the lower end of the supporting rod is used for extending into seawater,
a bolt which is arranged horizontally and is used for sequentially passing through the first threaded hole, the third threaded hole and the second threaded hole and fixing the upper end of the supporting rod between the two wings of the U-shaped steel,
a fixing plate made of steel and arranged below the supporting rod in an L shape, and composed of a horizontal section arranged horizontally and a vertical section integrally connected with one end of the horizontal section, wherein the middle part of the horizontal section is welded with the lower end of the supporting rod, the vertical section and the horizontal section are arranged vertically and are used for being inserted into the underwater silt,
wherein, branch is used for supporting the steel sheet pile, and the fixed plate is used for fixing and supporting branch.
Furthermore, the included angle formed by the support rod and the steel sheet pile is 45 degrees.
Furthermore, the area of the horizontal section of the fixing plate is 2500 plus 5000 square centimeters, and the area of the vertical section of the fixing plate is 400 plus 900 square centimeters.
Further, branch comprises the branch body and the lead screw of connection in the branch body upper end, the blind hole has been seted up to the upper end of branch along its axis, the blind hole is used for the lower extreme of lead screw to stretch into, the fourth screw hole has been seted up to the upper end level of lead screw, the fourth screw hole is used for the bolt to pass, the bolt is used for passing first screw hole in proper order, fourth screw hole and second screw hole, still be used for fixing the upper end of lead screw between the two wings of U-shaped steel, the lead screw is used for adjusting the degree of depth of fixed plate in silt through the length that its lower extreme stretched into the branch blind hole, make fixed plate compaction.
A construction method for a reinforcement device for a marine Larsen steel sheet pile comprises the following steps:
a first threaded hole and a second threaded hole are horizontally arranged on two wings of the U-shaped steel,
welding the side part of the U-shaped steel on the outer wall of the steel sheet pile,
measuring the distance between the welding point of the U-shaped steel and the depth of the water bottom, wherein the measured distance is h,
a strut of h/sin45 length was selected,
a third threaded hole is horizontally arranged at the upper end of the supporting rod,
the lower end of the supporting rod is welded with the middle part of the fixed plate,
according to the positions of the U-shaped steel and the steel sheet pile, the supporting rod and the fixing plate are placed under the water to ensure that the vertical section of the fixing plate is inserted into the underwater sludge,
the bolt passes first screw hole, third screw hole and second screw hole in proper order, fixes the upper end and the U-shaped steel reciprocal anchorage of branch.
A construction method for a reinforcement device for a marine Larsen steel sheet pile comprises the following steps:
a first threaded hole and a second threaded hole are horizontally arranged on two wings of the U-shaped steel,
welding the side part of the U-shaped steel on the outer wall of the steel sheet pile,
measuring the distance between the welding point of the U-shaped steel and the depth of the water bottom, wherein the measured distance is h,
selecting a strut with the length of h/sin45 degrees,
the lower end of the supporting rod is welded with the middle part of the fixed plate,
the upper end of the supporting rod is provided with a blind hole along the axial line thereof,
the lower end of the screw rod is inserted into the blind hole,
according to the positions of the U-shaped steel and the steel sheet pile, the supporting rod, the screw rod and the fixing plate are placed under the water, the vertical section of the fixing plate is ensured to be inserted into the underwater sludge,
the bolt sequentially passes through the first threaded hole, the second threaded hole and a fourth threaded hole at the upper end of the screw rod (3) to fix the upper end of the screw rod and the U-shaped steel mutually,
the length of the blind hole exposed at the lower end of the screw rod is adjusted through the adjusting nut 4 on the screw rod, and then downward force is applied to the fixing plate through the supporting rod, so that the fixing plate compacts sludge.
The invention has the beneficial effects that: the steel sheet pile is supported by the aid of the support rods, the steel sheet pile is not prone to toppling, the support rods are supported by the aid of the fixing plates, when the support rods receive pressure of the steel sheet pile, the support rods transmit the pressure to the fixing plates, the fixing plates are compacted with silt after receiving the pressure of the support rods, the horizontal section area of the fixing plates is large, the pressure of the silt is dispersed, and accordingly the fixing plates are less in downward displacement, so that the steel sheet pile is not prone to toppling, downward force is exerted on the fixing plates through the support rods by means of adjusting the screw rods, and the horizontal position of the fixing plates is adjusted.
[ description of the drawings ]
FIG. 1 is a side view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of a U-shaped steel according to the present invention.
Wherein: u-shaped steel; 11. a side portion; 2. a strut; 3. a screw rod; 4. a nut; 5. a fixing plate; 6. a horizontal segment; 7. a vertical section; 8. steel sheet piles; 9. water bottom, 10. water surface; 11. a side portion; 12. two wings.
[ detailed description ] embodiments
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a reinforcing device for a marine Larsen steel sheet pile, which comprises a U-shaped steel 1 welded on the outer wall of a steel sheet pile 8 as shown in figures 1 and 2, and consists of two wings 12 arranged in parallel and side parts 11 perpendicular to the two wings 12 as shown in figure 3, wherein the side parts 11 are welded with the outer wall of the steel sheet pile 8, the two wings 12 are vertically arranged and perpendicular to the steel sheet pile 8, an opening between the two wings 12 is arranged opposite to the steel sheet pile 8, a first threaded hole and a second threaded hole are respectively and horizontally arranged on the two wings 12, and the first threaded hole and the second threaded hole are used for a bolt to horizontally pass through.
Be provided with a branch 2 between 1 both wings 12 of U-shaped steel, the slope of branch 2 sets up, and the third screw hole has been seted up to the upper end level, and its lower extreme is used for stretching into the sea water, and the contained angle that branch 2 and steel sheet pile 8 formed is 45 degrees, because branch 2 is used for playing the effect of a support to steel sheet pile 8, consequently sets up branch 2 and steel sheet pile 8's contained angle to 45 degrees, and its supporting effect to steel sheet pile 8 is best.
The upper end and the U-shaped steel 1 of branch 2 pass through bolted connection, the bolt level is to setting up, the bolt is used for passing first screw hole in proper order, third screw hole and second screw hole, still be used for fixing the upper end of branch 2 between two wings 12 of U-shaped steel 1, if be connected branch 2 is direct with steel sheet pile 8, can lead to branch 2 shakiness, if direct with branch 2 and the mutual welding of steel sheet pile 8, difficult dismantlement, and difficult storage, 8 recycle of steel sheet pile are also very difficult, and 8 welding departments of steel sheet pile leak easily, influence the construction speed.
The upper end of branch 2 is used for stretching into between 1 both wings 12 of U-shaped steel, still be used for supporting the upper portion at steel sheet pile 8 through U-shaped steel 1, the lower extreme of branch 2 is used for stretching into the sea water, the below of branch 2 is provided with a fixed plate 5, it is effect in order to let the holding power of branch 2 to set up fixed plate 5, because the silt of submarine 9 is softer, if direct lower extreme with branch 2 stretches into submarine 9, 2 lower extremes of branch are thinner, stretch into the silt the inside very easily, along with branch 2 causes continuous sinking because of the strength of the steel sheet pile 8 who bears, can lead to steel sheet pile 8 to empty easily, so branch 2 just can not play the effect of support to steel sheet pile 8, therefore this problem of solution that fixed plate 5 can be fine.
Fixed plate 5 is the steel, fixed plate 5 is L shape, fixed plate 5 is located branch 2 below, fixed plate 5 comprises horizontal segment 6 that the level set up and vertical section 7 with 6 one end body coupling of horizontal segment, the middle part of the horizontal segment 6 of fixed plate 5 and the lower extreme mutual welding of branch 2, vertical section 7 and the 6 mutually perpendicular settings of horizontal segment of fixed plate 5, set up downwards promptly, vertical section 7 of fixed plate 5 is used for inserting in the silt under water, branch 2 is used for supporting steel sheet pile 8, fixed plate 5 is used for fixing and supporting branch 2. After silt is inserted to the vertical section 7 of fixed plate 5, guaranteed the stability of branch 2, and 6 tiling of the horizontal segment of fixed plate 5 are on silt under water, and silt atress is balanced under water, is difficult for sinking, and consequently fixed plate 5 is very stable, and then lie in branch 2 on fixed plate 5 also very stable, and then branch 2 is also very stable to steel sheet pile 8's support, avoids steel sheet pile 8 to incline.
The invention also discloses a construction method of the reinforcing device for the marine Larsen steel sheet pile, which is used for the reinforcing device and comprises the following steps:
step 1: a first threaded hole and a second threaded hole are horizontally formed in the two wings 12 of the U-shaped steel 1.
Step 2: and welding the side part 11 of the U-shaped steel 1 on the outer wall of the steel sheet pile 8.
And step 3: and (3) measuring the distance between the welding point of the U-shaped steel 1 and the depth of the water bottom 9, wherein the measured distance is h.
And 4, step 4: the strut 2 is selected to be h/sin45 degrees in length, and the strut 2 is made of cylindrical steel with the diameter of 60 mm.
And 5: and a third threaded hole is horizontally formed in the upper end of the support rod 2.
Step 6: the lower end of the support rod 2 and the middle part of the fixing plate 5 are welded with each other, the thickness of the fixing plate 5 is 10-15 mm, the area of the horizontal section 6 of the fixing plate 5 is 2500 plus 5000 square centimeters, and the area of the vertical section 7 of the fixing plate 5 is 400 plus 900 square centimeters.
And 7: according to the positions of the U-shaped steel 1 and the steel sheet pile 8, the supporting rod 2 and the fixing plate 5 are placed into the water bottom 9, and the vertical section 7 of the fixing plate 5 is ensured to be inserted into underwater sludge.
And 8: the bolt passes first screw hole, third screw hole and second screw hole in proper order, fixes the upper end and the U-shaped steel 1 reciprocal anchorage of branch 2.
Aiming at the reinforcing device, because of difficult underwater operation, the positions of the supporting rod 2 and the fixing plate 5 need to be continuously adjusted so as to achieve the best position of the supporting rod 2 for fixing the steel sheet pile 8, therefore, the problem is solved by arranging the screw rod 3, the supporting rod 2 consists of a supporting rod body and the screw rod 3 connected to the upper end of the supporting rod body, the upper end of the supporting rod 2 is provided with a blind hole along the axis thereof, the blind hole is used for the lower end of the screw rod 3 to stretch into, the upper end of the screw rod 3 is horizontally provided with a fourth threaded hole, the fourth threaded hole is used for a bolt to pass through, the bolt is used for sequentially passing through the first threaded hole, the fourth threaded hole and the second threaded hole, the upper end of the screw rod 3 is further used for fixing the two wings 12 of the U-shaped steel 1, the screw rod 3 is used for adjusting the depth of the fixing plate 5 in the sludge by the length of the lower end of the blind hole of the So that the fixing plate 5 compacts the sludge, the construction method for this reinforcement device is as follows.
The invention also discloses a construction method of the reinforcing device for the marine Larsen steel sheet pile, which is used for the reinforcing device for adding the screw rod 3 and comprises the following steps:
step 1: a first threaded hole and a second threaded hole are horizontally formed in the two wings 12 of the U-shaped steel 1.
Step 2: and welding the side part 11 of the U-shaped steel 1 on the outer wall of the steel sheet pile 8.
And step 3: and (3) measuring the distance between the welding point of the U-shaped steel 1 and the depth of the water bottom 9, wherein the measured distance is h.
And 4, step 4: a strut 2 with the length of h/sin45 degrees is selected, and the strut 2 is made of a steel pipe with the diameter of 60 mm.
And 5: the lower end of the support rod 2 and the middle part of the fixing plate 5 are welded with each other, the thickness of the fixing plate 5 is 10-15 mm, the area of the horizontal section 6 of the fixing plate 5 is 2500 plus 5000 square centimeters, and the area of the vertical section 7 of the fixing plate 5 is 400 plus 900 square centimeters.
Step 6: the upper end of the supporting rod 2 is provided with a blind hole along the axis.
And 7: the lower end of the screw rod 3 is inserted into the blind hole, and the screw rod 3 with the length of 1-1.5 meters is selected.
And 8: according to the positions of the U-shaped steel 1 and the steel sheet pile 8, the supporting rod 2, the screw rod 3 and the fixing plate 5 are placed into the water bottom 9, and the vertical section 7 of the fixing plate 5 is guaranteed to be inserted into underwater sludge.
And step 9: the bolt passes through the first threaded hole, the second threaded hole and the fourth threaded hole in sequence at the upper end of the screw rod 3, and the upper end of the screw rod 3 and the U-shaped steel 1 are fixed to each other.
Step 10: the length of the blind hole exposed at the lower end of the screw rod 3 is adjusted through the adjusting nut 4 on the screw rod 3, and then downward force is applied to the fixing plate 5 through the supporting rod 2, so that the fixing plate 5 compacts sludge. The supporting rod 2 is connected with an adjusting nut 4 of the screw rod 3 through a flange plate and is adjusted.
The reinforcing device designed by the invention can be repeatedly utilized, after the reinforcing device is fixed, earthwork backfilling is carried out in the steel sheet pile 8 to form a construction area, construction is carried out, after the cofferdam is used, the reinforcing device is disassembled, and the cofferdam is cleaned for later use.
Claims (6)
1. A reinforcing apparatus for a marine Larsen steel sheet pile, comprising:
the U-shaped steel (1) consists of two wings (12) which are arranged in parallel and side parts (11) which are perpendicular to the two wings (12), the side parts (11) are welded with the outer wall of the steel sheet pile (8), the two wings (12) are vertically arranged and are perpendicular to the steel sheet pile (8), an opening between the two wings (12) is arranged back to the steel sheet pile (8), the two wings (12) are respectively and horizontally provided with a first threaded hole and a second threaded hole, and the first threaded hole and the second threaded hole are used for a bolt to horizontally pass through,
a supporting rod (2) which is obliquely arranged, the upper end of the supporting rod is horizontally provided with a third threaded hole, the lower end of the supporting rod is used for extending into seawater,
a bolt which is horizontally arranged and is used for sequentially passing through the first threaded hole, the third threaded hole and the second threaded hole and fixing the upper end of the support rod (2) between the two wings (12) of the U-shaped steel (1),
a fixing plate (5) made of steel, positioned below the supporting rod (2), in an L shape, and composed of a horizontal section (6) arranged horizontally and a vertical section (7) connected with one end of the horizontal section (6) integrally, wherein the middle part of the horizontal section (6) is welded with the lower end of the supporting rod (2), the vertical section (7) and the horizontal section (6) are arranged vertically and are used for being inserted into underwater silt,
the supporting rod (2) is used for supporting the steel sheet pile (8), and the fixing plate (5) is used for fixing and supporting the supporting rod (2).
2. Reinforcement device for steel marine larsen piles according to claim 1, characterized in that the angle formed by the struts (2) and the steel sheet piles (8) is 45 degrees.
3. The reinforcement device for the marine Larsen steel sheet pile as claimed in any one of claims 1-2, wherein the horizontal section (6) of the fixing plate (5) has an area of 2500-5000 square centimeters and the vertical section (7) of the fixing plate (5) has an area of 400-900 square centimeters.
4. The reinforcement device for the marine Larsen steel sheet pile as claimed in claim 3, wherein the strut (2) is composed of a strut body and a screw rod (3) connected to the upper end of the strut body, the upper end of the strut (2) is provided with a blind hole along the axis thereof, the blind hole is used for the lower end of the screw rod (3) to extend into, the upper end of the screw rod (3) is horizontally provided with a fourth threaded hole, the fourth threaded hole is used for a bolt to pass through, the bolt is used for sequentially passing through the first threaded hole, the fourth threaded hole and the second threaded hole, the upper end of the screw rod (3) is further used for fixing between the two wings (12) of the U-shaped steel (1), and the screw rod (3) is used for adjusting the depth of the fixing plate (5) in the sludge by the length of the lower end of the screw rod to extend into the blind hole of the strut (.
5. The construction method for the reinforcing device of the Larsen steel sheet pile at sea according to any one of claims 1 to 4, which is characterized by comprising the following steps:
a first threaded hole and a second threaded hole are horizontally arranged on the two wings (12) of the U-shaped steel (1),
welding the side part (11) of the U-shaped steel (1) on the outer wall of the steel sheet pile (8),
measuring the distance between the welding point of the U-shaped steel (1) and the depth of the water bottom (9), wherein the measured distance is h,
selecting a strut (2) with the length of h/sin45 degrees,
a third threaded hole is horizontally arranged at the upper end of the supporting rod (2),
the lower end of the supporting rod (2) is welded with the middle part of the fixing plate (5),
according to the positions of the U-shaped steel (1) and the steel sheet pile (8), the supporting rod (2) and the fixing plate (5) are placed in the water bottom (9) to ensure that the vertical section (7) of the fixing plate (5) is inserted into the underwater sludge,
the bolt passes through the first threaded hole, the third threaded hole and the second threaded hole in sequence, and the upper end of the supporting rod (2) and the U-shaped steel (1) are fixed to each other.
6. The construction method for the reinforcement device of the Larsen steel sheet pile at sea as set forth in claim 4, is characterized by comprising the following steps:
a first threaded hole and a second threaded hole are horizontally arranged on the two wings (12) of the U-shaped steel (1),
welding the side part (11) of the U-shaped steel (1) on the outer wall of the steel sheet pile (8),
measuring the distance between the welding point of the U-shaped steel (1) and the depth of the water bottom (9), wherein the measured distance is h,
selecting a strut (2) with the length of h/sin45 degrees,
the lower end of the supporting rod (2) is welded with the middle part of the fixing plate (5),
the upper end of the supporting rod (2) is provided with a blind hole along the axial line thereof,
the lower end of the screw rod (3) is inserted into the blind hole,
according to the positions of the U-shaped steel (1) and the steel sheet pile (8), the supporting rod (2), the screw rod (3) and the fixing plate (5) are placed in the water bottom (9) to ensure that the vertical section (7) of the fixing plate (5) is inserted into the underwater sludge,
the bolt sequentially passes through the first threaded hole, the second threaded hole and a fourth threaded hole at the upper end of the screw rod (3) to mutually fix the upper end of the screw rod (3) and the U-shaped steel (1),
the length of the blind hole exposed at the lower end of the screw rod (3) is adjusted through the adjusting nut 4 on the screw rod (3), and then downward force is applied to the fixing plate (5) through the supporting rod (2), so that the fixing plate (5) compacts sludge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942175.7A CN110670577A (en) | 2019-09-30 | 2019-09-30 | Reinforcing device for marine Larsen steel sheet pile and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942175.7A CN110670577A (en) | 2019-09-30 | 2019-09-30 | Reinforcing device for marine Larsen steel sheet pile and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110670577A true CN110670577A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910942175.7A Pending CN110670577A (en) | 2019-09-30 | 2019-09-30 | Reinforcing device for marine Larsen steel sheet pile and construction method thereof |
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| CN (1) | CN110670577A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2876716B1 (en) * | 2004-10-18 | 2007-03-16 | Cie Du Sol Soc Civ Ile | DEVICE FOR PRODUCING ANTI-CRANE SEALED BARRIER |
| CN206245309U (en) * | 2016-12-06 | 2017-06-13 | 南京博睿工程咨询有限公司 | A kind of waterproof steel plate stake |
| CN207700243U (en) * | 2017-12-08 | 2018-08-07 | 广宏建设集团有限公司 | A kind of prefabricated ballistic support shell of post empiricism |
| CN109610487A (en) * | 2018-11-30 | 2019-04-12 | 福建建中建设科技股份有限公司 | A kind of Larsen steel sheet-pile cofferdam and its construction method |
-
2019
- 2019-09-30 CN CN201910942175.7A patent/CN110670577A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2876716B1 (en) * | 2004-10-18 | 2007-03-16 | Cie Du Sol Soc Civ Ile | DEVICE FOR PRODUCING ANTI-CRANE SEALED BARRIER |
| CN206245309U (en) * | 2016-12-06 | 2017-06-13 | 南京博睿工程咨询有限公司 | A kind of waterproof steel plate stake |
| CN207700243U (en) * | 2017-12-08 | 2018-08-07 | 广宏建设集团有限公司 | A kind of prefabricated ballistic support shell of post empiricism |
| CN109610487A (en) * | 2018-11-30 | 2019-04-12 | 福建建中建设科技股份有限公司 | A kind of Larsen steel sheet-pile cofferdam and its construction method |
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