CN110565667A - Steel sheet pile cofferdam with slip casting platform - Google Patents
Steel sheet pile cofferdam with slip casting platform Download PDFInfo
- Publication number
- CN110565667A CN110565667A CN201910933175.0A CN201910933175A CN110565667A CN 110565667 A CN110565667 A CN 110565667A CN 201910933175 A CN201910933175 A CN 201910933175A CN 110565667 A CN110565667 A CN 110565667A
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- sheet pile
- cofferdam
- steel
- grouting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 116
- 239000010959 steel Substances 0.000 title claims abstract description 116
- 238000007569 slipcasting Methods 0.000 title description 2
- 238000005553 drilling Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 14
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- 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
-
- 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
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
-
- 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
- E02D5/14—Sealing joints between adjacent sheet piles
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
the invention provides a steel sheet pile cofferdam with a grouting platform, which is characterized in that a support beam is clamped on a steel sheet pile of the cofferdam by taking the steel sheet pile of the formed steel sheet pile cofferdam as the foundation of the grouting platform, and a platform panel and a railing are erected on the support beam. The grouting platform provided by the invention is simple in structure, convenient to use and capable of being recycled, the grouting efficiency of the steel sheet pile cofferdam is obviously improved, the economic benefit is good, and the construction safety can be ensured.
Description
Technical Field
The invention belongs to the field of bridge construction, and relates to a steel sheet pile cofferdam with a grouting platform.
background
in the bridge construction, geological conditions of the positions of bridges crossing rivers are different, no covering layer is arranged at the position of a bridge foundation, and when a bearing platform is completely positioned in a rock stratum, great difficulty is added to the construction of the bearing platform.
At present, in a deepwater foundation, a bearing platform is constructed by a platform-to-cofferdam method, and a steel sheet pile cofferdam can be constructed only after a drilling platform is dismantled. And after the cofferdam construction is finished, taking measures to carry out grouting water stop work. And (4) performing high-pressure grouting work on the inner side of the cofferdam, and building a grouting platform. The conventional grouting platform needs the same construction method as the main pier drilling platform, steel pipe piles are inserted and driven, and the distribution beam panels are installed to complete the grouting platform. The method needs to put in equipment such as a crane, a vibration hammer, a steel pipe pile, a distribution beam and the like for the second time, so that the construction cost is increased, and the efficiency is low.
Disclosure of Invention
aiming at the problems in the prior art, the invention provides a steel sheet pile cofferdam with a grouting platform, wherein the steel sheet pile cofferdam is used as a foundation, the grouting platform is clamped at the top of a steel sheet pile, pile driving equipment for building a drilling platform is not required to be input, and the grouting platform can be used for multiple times, so that the construction cost is reduced, and the construction period is shortened.
The technical scheme provided by the invention is as follows:
A steel sheet pile cofferdam with grouting platform, comprising:
The cofferdam comprises a cofferdam main body and a cofferdam main body, wherein the cofferdam main body consists of a plurality of steel sheet piles which are connected with each other;
The grouting platform comprises at least two supporting beams and a table top erected on the supporting beams, the supporting beams comprise section steel assemblies, each section steel assembly comprises two section steels, a gap is formed between the two section steels, and the gap extends along the length direction of the section steel; at the same time, the user can select the desired position,
And two sides of the profile steel assembly are also connected with positioning check blocks, a steel sheet pile is inserted into the gap, and the positioning check blocks are abutted against the steel sheet pile to support the supporting beam.
On the basis of the technical scheme, the gap and the steel sheet pile are detachably connected.
on the basis of the technical scheme, the section steel is provided with a plurality of positioning holes, and the positioning stop blocks are connected with the positioning holes or welded on the section steel through bolts.
On the basis of the technical scheme, the supporting beam is a T-shaped beam.
On the basis of the technical scheme, the section steel, the oblique beam and the horizontal cross beam form a T-shaped beam together.
On the basis of the technical scheme, the positioning stop block is composed of two channel steels or two angle steels, and the two channel steels or the two angle steels are respectively arranged on two sides of the section steel.
On the basis of the technical scheme, the left side and the right side of the table board are provided with vertical handrails.
On the basis of the technical scheme, a channel for a drill rod of the geological exploration drilling machine to pass through is arranged on the table top.
On the basis of the technical scheme, the section steel is H-shaped steel or channel steel.
On the basis of the technical scheme, the section steel is H-shaped steel, the web plates of the two H-shaped steel are in a straight line, and a gap for inserting the steel sheet pile is formed between the wing plates.
The application of the steel sheet pile cofferdam with the grouting platform is provided.
The invention has the following advantages and beneficial effects:
The grouting platform provided by the invention has the advantages of simple structure, easiness in processing, convenience in use and capability of being recycled, the grouting platform does not need to be specially established, a large amount of manpower and material resources are saved, the efficiency of grouting and water stopping of the steel sheet pile cofferdam is obviously improved, the construction period is effectively shortened, good economic benefits are realized, and the construction safety can be ensured.
drawings
FIG. 1 is a vertical view of a grouting platform;
FIG. 2 is a cross-sectional view taken along line I-I of FIG. 1;
FIG. 3 is a cross-sectional view taken along line II-II of FIG. 1;
FIG. 4 is a schematic structural view of a support beam;
FIG. 5 is a schematic view of the connection of a support beam and a steel sheet pile;
FIG. 6 is a cross-sectional view taken along line I-I of FIG. 5;
FIG. 7 is a view of the opening of the table;
in the figure: 1. a support beam; 11. section steel; 12. an oblique beam; 13. a cross beam; 2. a table top; 3. a railing; 4. positioning a stop block; 5. and (5) steel sheet piles.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the steel sheet pile cofferdam with grouting platform provided by the present invention comprises:
The cofferdam comprises a cofferdam main body and a cofferdam main body, wherein the cofferdam main body consists of a plurality of steel sheet piles which are connected with each other;
The grouting platform comprises at least two supporting beams and a table top erected on the supporting beams, the supporting beams comprise section steel assemblies, each section steel assembly comprises two section steels, a gap is formed between the two section steels, and the gap extends along the length direction of the section steel; at the same time, the user can select the desired position,
The two sides of the profile steel assembly are also connected with positioning check blocks, a steel sheet pile is inserted into the gap, and the positioning check blocks are abutted against the steel sheet pile to support the supporting beam.
on the basis of the technical scheme, the section steel and the steel sheet piles are detachably connected, so that the grouting platform can be used in a turnover mode.
On the basis of the technical scheme, the positioning holes are formed in the section steel, the positioning stop blocks are connected with the positioning holes or welded on the section steel through bolts, when the positioning stop blocks are connected with the positioning holes through the bolts, the height of the top end of the section steel can be adjusted by inserting the bolts into the positioning holes with different heights, or the positioning stop blocks are welded at corresponding positions after the height of the section steel is adjusted.
On the basis of the technical scheme, the section steel, the oblique beam and the horizontal cross beam form a T-shaped beam together.
On the basis of the technical scheme, the positioning stop block is composed of two channel steels or two angle steels, and the two channel steels or the two angle steels are respectively arranged on two sides of the section steel.
On the basis of the technical scheme, the left side and the right side of the table board are provided with vertical handrails, so that constructors are prevented from falling off from the platform.
on the basis of the technical scheme, a channel for a drill rod of the geological exploration drilling machine to pass through is arranged on the table top.
On the basis of the technical scheme, the section steel is H-shaped steel or channel steel.
On the basis of the technical scheme, the table top is formed by laying grid plates or strip-shaped plates.
the construction method of the steel sheet pile cofferdam with the grouting platform comprises the following steps: constructing a steel sheet pile cofferdam, erecting the section steel on the top of the steel sheet pile, and then fixing a positioning stop block to enable the top of the section steel to reach a preset elevation; and finally laying a table top.
as shown in fig. 4, the T-shaped beam of the present invention can be welded by using common section steel, and the distance between two section steels in the T-shaped beam is greater than the thickness of the steel sheet pile, so as to ensure that the steel sheet pile can be inserted.
As shown in fig. 5 and 6, in order to ensure that the elevations of the tops of the grouting platforms are the same, after measuring the elevation difference of the steel sheet piles where the T-shaped beams are located, the lengths of the section steel and the oblique beams are properly adjusted and then inserted into the steel sheet piles. And then the top elevation of the T-shaped beam is adjusted by welding the positioning block and the section steel.
As shown in fig. 7, according to the arrangement requirement of grouting holes at the inner side of the cofferdam, the table top is provided with a plurality of holeshole of opening sizeAccording to the diameter design of the drill bit of the geological exploration drilling machine, the drill bit and the drill rod can be guaranteed to drill through the table top.
the invention fully utilizes the steel sheet pile of the finished steel sheet pile cofferdam as the foundation of the grouting platform, does not need to specially establish the grouting platform, effectively shortens the construction period, improves the working efficiency and reduces the construction cost.
it will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A steel sheet pile cofferdam with a grouting platform, characterized in that it comprises:
The cofferdam comprises a cofferdam main body and a cofferdam main body, wherein the cofferdam main body consists of a plurality of steel sheet piles (5) which are connected with each other;
The grouting platform comprises at least two supporting beams (1) and a table top (2) erected on the supporting beams (1), wherein each supporting beam (1) comprises a section steel assembly, each section steel assembly comprises two section steels (11), a gap is formed between the two section steels (11), and the gap extends along the length direction of each section steel (11);
meanwhile, two sides of the section steel assembly are also connected with positioning check blocks (4), a steel sheet pile (5) is inserted into the gap, and the positioning check blocks (4) are abutted against the steel sheet pile (5) to support the supporting beam (1).
2. The steel sheet pile cofferdam with grouting platform of claim 1, wherein: the supporting beam (1) is detachably connected with the steel sheet pile (5).
3. The steel sheet pile cofferdam with grouting platform of claim 1, wherein: the section steel (11) is provided with a plurality of positioning holes, and the positioning stop blocks (4) are connected with the positioning holes through bolts.
4. The steel sheet pile cofferdam with grouting platform of claim 1, wherein: the positioning stop block (4) is welded on the section steel (11), and the top elevation of the grouting platform is adjusted through the height of the positioning stop block (4).
5. the steel sheet pile cofferdam with grouting platform of claim 1, wherein: the positioning stop block (4) is composed of two channel steels or two angle steels, the two channel steels or the two angle steels are respectively arranged on two sides of the section steel (11), and the positioning stop block (4) is perpendicular to the gap.
6. The steel sheet pile cofferdam with grouting platform of claim 1, wherein: vertical handrails (3) are arranged on the left side and the right side of the table top (2); and a channel for a drill rod of the geological exploration drilling machine to pass through is arranged on the table top (2).
7. The steel sheet pile cofferdam with grouting platform of claim 1, wherein: the section steel (11) is H-shaped steel or channel steel.
8. The steel sheet pile cofferdam with grouting platform of claim 1, wherein: the supporting beam (1) is a T-shaped beam.
9. The steel sheet pile cofferdam with grouting platform of claim 8, wherein: the section steel (11), the oblique beam (12) and the horizontal cross beam (13) form the supporting beam (1).
10. use of a steel sheet pile cofferdam with grouting platforms according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933175.0A CN110565667B (en) | 2019-09-29 | 2019-09-29 | Steel sheet pile cofferdam with grouting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933175.0A CN110565667B (en) | 2019-09-29 | 2019-09-29 | Steel sheet pile cofferdam with grouting platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110565667A true CN110565667A (en) | 2019-12-13 |
| CN110565667B CN110565667B (en) | 2024-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910933175.0A Active CN110565667B (en) | 2019-09-29 | 2019-09-29 | Steel sheet pile cofferdam with grouting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110565667B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254959A (en) * | 2020-02-24 | 2020-06-09 | 中铁大桥局第九工程有限公司 | Underwater steel sheet pile cofferdam structure and construction method |
| CN118087570A (en) * | 2024-04-29 | 2024-05-28 | 中建筑港集团有限公司 | Construction device for high-pressure jet grouting pile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254959A (en) * | 2020-02-24 | 2020-06-09 | 中铁大桥局第九工程有限公司 | Underwater steel sheet pile cofferdam structure and construction method |
| CN118087570A (en) * | 2024-04-29 | 2024-05-28 | 中建筑港集团有限公司 | Construction device for high-pressure jet grouting pile |
| CN118087570B (en) * | 2024-04-29 | 2024-06-25 | 中建筑港集团有限公司 | Construction device for high-pressure jet grouting pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110565667B (en) | 2024-06-25 |
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