CN110565629A - marine low-clearance Larsen steel sheet pile installation system and method - Google Patents
marine low-clearance Larsen steel sheet pile installation system and method Download PDFInfo
- Publication number
- CN110565629A CN110565629A CN201910874818.9A CN201910874818A CN110565629A CN 110565629 A CN110565629 A CN 110565629A CN 201910874818 A CN201910874818 A CN 201910874818A CN 110565629 A CN110565629 A CN 110565629A
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- sheet pile
- larsen steel
- larsen
- pressing plate
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 165
- 239000010959 steel Substances 0.000 title claims abstract description 165
- 238000009434 installation Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 21
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/02—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers specially adapted for placing or removing bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/10—Follow-blocks of pile-drivers or like devices
-
- 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
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 discloses a system and a method for installing a marine low-clearance Larsen steel sheet pile, which comprise two guide frames which are arranged in parallel, wherein the two guide frames are positioned on the same horizontal plane and are both higher than the water surface, and a limiting space for the Larsen steel sheet pile to be installed to pass through is formed between the two guide frames; the two guide frames are fixed through steel pipe columns, and the bottoms of the steel pipe columns extend into a foundation of a region to be constructed; the device also comprises a pressing plate, wherein the pressing plate is used for being arranged at the top end of the Larsen steel sheet pile to be installed; the two guide frames are provided with tension mechanisms which are connected with the pressing plate, and the tension mechanisms are used for generating tension when the Larsen steel sheet piles to be installed are installed so as to drive the Larsen steel sheet piles to be installed to move downwards through the pressing plate and insert the Larsen steel sheet piles into a foundation of a region to be constructed; according to the invention, the quick installation of the Larsen steel sheet pile can be realized by using the winch and the pressing plate in a matching manner, so that the working efficiency is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of Larsen steel sheet pile installation, and particularly relates to a system and a method for installing a marine low-clearance Larsen steel sheet pile.
[ background of the invention ]
In recent years, with the rapid development of economy in China, the construction of various infrastructures is increasing day by day. The steel sheet pile construction is carried out more and more under the low headroom environment on the sea. The Larsen steel sheet pile conventional installation method is to adopt a static pressure pile planting machine to construct, however, for an environment with a clear height limitation, the steel sheet pile and the static pressure pile planting machine both need a certain height to realize installation, and under the condition of the height limitation, such as being influenced by a building on the sea surface, the conventional construction cannot be unfolded due to no height space, or even if the construction can be carried out, the construction efficiency is greatly reduced. In addition, the original design is changed or special construction equipment is researched, so that the construction cost is greatly increased, and the construction period is prolonged. Meanwhile, the construction area is mainly located in a shallow sea area and is affected by tide, so that a large construction ship can not be constructed frequently, and the construction period is prolonged.
[ summary of the invention ]
the invention aims to provide an offshore low-clearance Larsen steel sheet pile installation system and method, so that the Larsen steel sheet pile can be quickly installed under the condition of low clearance, and the installation cost of the Larsen steel sheet pile is reduced.
the invention adopts the following technical scheme: the marine low-clearance Larsen steel sheet pile installation system comprises two guide frames which are arranged in parallel, wherein the two guide frames are positioned on the same horizontal plane and are both higher than the water surface, and a limiting space for allowing a Larsen steel sheet pile to be installed to penetrate through is formed between the two guide frames; the two guide frames are fixed through steel pipe columns, and the bottoms of the steel pipe columns extend into a foundation of a region to be constructed;
The device also comprises a pressing plate, wherein the pressing plate is used for being arranged at the top end of the Larsen steel sheet pile to be installed;
And the two guide frames are provided with tension mechanisms which are connected with the pressing plate, and the tension mechanisms are used for generating tension when the Larsen steel sheet piles to be installed are installed so as to drive the Larsen steel sheet piles to be installed to move downwards through the pressing plate and insert the Larsen steel sheet piles into the foundation of the area to be constructed.
Furthermore, the tension mechanism comprises two winches and two guides which are arranged on each guide frame at intervals, and the free end of the steel wire rope on each winch bypasses the corresponding guide and is then fixedly connected to the pressing plate; each winch is used for pulling the movable pressing plate downwards through the steel wire rope so as to drive the Larsen steel plate pile to be implanted into the foundation of the to-be-constructed area.
Further, four guides on the two guide frames are arranged in a rectangular shape.
Furthermore, the pressing plate is a flat plate, a fixing groove is formed in the bottom surface of the flat plate, and the shape of the fixing groove is the same as the cross section of the Larsen steel sheet pile.
Furthermore, the pressing plate and each guider are located on the same vertical surface and are provided with fixing holes, and each fixing hole is used for being fixedly connected with a steel wire rope on the winch.
further, the fixing groove is located between the four fixing holes, and the distance between the center of the fixing groove and each fixing hole is equal.
Further, the distance between the two guide frames is more than or equal to 2h, wherein h is the height of the Larsen steel sheet pile.
The other technical scheme of the invention is as follows: the method for installing the marine low-clearance Larsen steel sheet pile comprises the following steps:
Determining the position of the steel pipe column, and constructing the steel pipe column;
Fixing the two guide frames on the steel pipe column; wherein, the two guide frames are arranged in parallel at intervals and are positioned on the same horizontal plane;
Hoisting the Larsen steel sheet pile to be installed by using hoisting equipment, inserting the bottom of the Larsen steel sheet pile into a foundation of a region to be constructed after penetrating through a limiting space formed by two guide frames, and installing a supporting device on at least one side of the Larsen steel sheet pile to be installed on the guide frames so as to prevent the Larsen steel sheet pile to be installed from turning over;
An insertion step: clamping the top end of the Larsen steel sheet pile by the fixing groove of the pressing plate, and fixing the free end of the steel wire rope of each winch on the fixing hole of the pressing plate after penetrating through the guider; enabling each winch to simultaneously recover the steel wire rope at the same speed until the distance between the top of the Larsen steel sheet pile to be installed and the guide frame is 0.5-1 m;
and disassembling the pressing plate, welding the bottom end of the next Larsen steel plate pile to be installed with the top surface of the last Larsen steel plate pile to be installed, and repeating the inserting step until all the Larsen steel plate piles to be installed are installed.
Further, when the bottom end of the next larsen steel sheet pile to be installed is welded with the top end of the last larsen steel sheet pile to be installed, the welding method comprises the following steps:
Adopting butt welding seams, wherein the welding seams adopt K-shaped openings, and welding reinforcing plates on the inner sides of webs and the outer sides of flanges of the Larsen steel sheet piles to be installed; the welding adopts a carbon dioxide gas shielded welding mode.
The invention has the beneficial effects that: according to the invention, the quick installation of the Larsen steel sheet pile can be realized by using the winch and the pressing plate in a matching way, so that the working efficiency is improved; moreover, the equipment in the invention is common engineering equipment, and the equipment cost of the system is far less than that of the existing Larsen steel sheet pile installation equipment; in addition, the system adopts common engineering equipment, so that the influence on the construction surrounding environment is reduced.
[ description of the drawings ]
FIG. 1 is a schematic top view structure diagram of an offshore low-clearance Larsen steel sheet pile installation system in an embodiment of the invention;
FIG. 2 is a schematic side view of a marine low-clearance Larsen steel sheet pile installation system in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a platen according to an embodiment of the present invention.
wherein: 1. larsen steel sheet piles; 2. steel pipe columns; 3. a guide frame; 4. a guide; 5. a winch; 6. a wire rope; 7. pressing a plate; 8. fixing grooves; 9. a fixing hole; 10. an obstacle.
[ detailed description ] embodiments
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
the embodiment of the invention discloses an offshore low-clearance Larsen steel sheet pile installation system, which comprises two guide frames 3 arranged in parallel, wherein the two guide frames 3 are positioned on the same horizontal plane and are both higher than the water surface, and a limiting space for allowing a Larsen steel sheet pile 1 to be installed to penetrate through is formed between the two guide frames 3.
in the embodiment of the invention, the distance between the two guide frames 3 is more than or equal to 2h so as to ensure the stability of the Larsen steel sheet pile 1 to be installed during installation, wherein h is the height of the Larsen steel sheet pile 1 to be installed.
The Larsen steel sheet pile 1 to be installed is strip-shaped, the cross section is similar to a trapezoid, when the Larsen steel sheet pile 1 is installed, the bottom of the Larsen steel sheet pile 1 needs to be inserted into a foundation, and the Larsen steel sheet pile are connected to form the cofferdam. When carrying out the installation of larsen steel sheet pile 1, need fix a position it, so, form a spacing space through two leading truck 3, make the bottom of larsen steel sheet pile 1 pass this spacing space, can guarantee that the larsen steel sheet pile 1 who installs is located the specified area, guarantee the installation accuracy of larsen steel sheet pile 1 promptly.
because two leading truck 3 are located the surface of water top, so need fix it, all fix through steel-pipe column 2 in this embodiment, the bottom of steel-pipe column 2 stretches into in treating the foundation of construction area. Two straight rods or brackets are led out from two sides of the steel pipe column 2 and connected to the guide frame 3. The steel pipe column 2 may be provided between the guide frames 3 or may be provided outside as long as the fixing requirements are satisfied.
When there is an obstacle 10 in the installation area of the larsen steel sheet pile 1, the installation system of the present embodiment further includes a pressing plate 7, as shown in fig. 2, the pressing plate 7 being adapted to be placed on the top end of the larsen steel sheet pile 1 to be installed. In order to ensure the installation efficiency and the system stability, the pressing plate 7 is made of a steel plate with the thickness of 5-10 cm. And the two guide frames 3 are provided with tension mechanisms which are connected with the pressing plate 7 and used for generating tension when the Larsen steel sheet pile 1 to be installed is installed, so that the Larsen steel sheet pile 1 to be installed is driven by the pressing plate 7 to move downwards and be inserted into a foundation of a region to be constructed.
in the embodiment of the invention, the tension mechanism is combined with the pressing plate 7, and the Larsen steel sheet pile 1 is implanted in a vibration-free mode, so that the vibration influence caused by the adoption of a traditional resonance hammer or pile planting machine and the like is avoided, and on one hand, other buildings in a construction area can be prevented from being subjected to resonance, and the service life of the buildings is further influenced. On the other hand, the vibration influence on the construction surrounding environment, such as the reduction of the vibration death rate of aquatic organisms in the construction area, is avoided.
In the embodiment of the invention, the tension mechanism comprises two winches 5 and two guides 4 which are arranged on each guide frame 3 at intervals, and the free end of the steel wire rope 6 on each winch 5 is fixedly connected to the pressure plate 7 after bypassing the corresponding guide 4. In this embodiment, the winch 5 is a winch, and the guider 4 is a fixed pulley. Each winch 5 is used for pulling the movable pressing plate 7 downwards through the steel wire rope 6, and then driving the Larsen steel sheet pile 1 to be implanted into a position to be constructed.
According to the embodiment of the invention, the quick installation of the Larsen steel sheet pile can be realized by using the winch and the pressing plate in a matching manner, so that the working efficiency is improved. Moreover, the equipment in the embodiment of the invention is common engineering equipment, and the equipment cost of the system is far less than that of the existing Larsen steel sheet pile installation equipment. If the scheme of the embodiment of the invention is adopted, the total cost of each device such as the guide frame 3, the winch 5 and the guide 4 is 30-50 ten thousand. If the traditional installation method is adopted, a floating crane, a pile planting machine or a resonance hammer and the like are needed, the number of the devices is millions and tens of millions, and the total cost of accessories and other matching devices is higher. Therefore, the cost of the installation system in the embodiment of the invention is lower than that of the traditional installation system.
In the embodiment of the invention, in order to fully utilize each device and save cost and construction efficiency, the four guides 4 on the two guide frames 3 are arranged in a rectangular shape, so that the winch 5 can generate vertical downward pulling force on the pressing plate 7 through the steel wire rope 6, the stress effect of the pressing plate 7 is best, and the Larsen steel plate pile 1 is better driven to be inserted into the area to be constructed.
In the embodiment of the invention, as shown in fig. 3, the pressing plate 7 is a flat plate, the bottom surface of the flat plate is provided with a fixing groove 8, and the shape of the fixing groove 8 is the same as the cross section of the larsen steel sheet pile 1. Through this fixed slot 8, can insert it in with the top of waiting to install Larsen steel sheet pile 1, when clamp plate 7 received decurrent pulling force motion, prevent that Larsen steel sheet pile 1 from deviating from in clamp plate 7, guarantee construction installation and efficiency of construction.
In the embodiment of the invention, in order to ensure the connection stability of the steel wire rope 6 and the pressing plate 7, fixing holes 9 are respectively formed in the pressing plate 7 and the vertical surfaces of the guides 4, and each fixing hole 9 is used for being fixedly connected with the steel wire rope 6 on the winch 5. The steel wire rope 6 can be fixed by a conventional fixing method, can be fastened by a rope, can be fixed by a fixing clamp, can also be welded, and only the tensile strength needs to be met.
In addition, the guider 4 and the fixing hole 9 are located on the same vertical surface, so that the part between the guider 4 and the fixing hole 9 is always vertical when the steel wire rope 6 works, the stress direction of the pressing plate 7 is always vertical and downward, and the utilization rate of the pulling force of the winch 5 is improved.
In the embodiment of the present invention, in order to ensure the stress balance of the pressure plate 7, the fixing groove 8 is located between the four fixing holes 9, and the distance between the center of the fixing groove 8 and each fixing hole 9 is equal.
the embodiment of the invention also discloses a Larsen steel sheet pile installation method, which specifically comprises the following steps:
First, the position of the steel pipe column 2 is determined, and the steel pipe column 2 is constructed to provide support for the entire system. After the engineer finishes the steel pipe column 2, fixing the two guide frames 3 on the steel pipe column 2; wherein, two leading truck 3 interval parallel arrangement, and be located same horizontal plane.
and hoisting the Larsen steel sheet pile 1 to be installed by using hoisting equipment, inserting the bottom of the Larsen steel sheet pile 1 into a foundation of a region to be constructed after penetrating through a limiting space formed by the two guide frames 3, and limiting the installation position of the Larsen steel sheet pile 1 through the limiting space.
before the hoisting equipment is removed, the Larsen steel sheet pile 1 needs to be simply fixed, preferably, a support device is arranged on the guide frame 3 and at least one side of the Larsen steel sheet pile 1 to be installed, so that the Larsen steel sheet pile 1 to be installed is prevented from turning on one side. The supporting device can be a straight rod or a support, a lateral supporting force is mainly provided for the Larsen steel sheet pile 1, the Larsen steel sheet pile is prevented from turning on one side, and the straight rod or the support can be directly detached after being used.
An insertion step: and clamping the top end of the Larsen steel sheet pile 1 by using the fixing groove 8 of the pressing plate 7, and fixing the steel wire rope of each winch 5 on the fixing hole 9 of the pressing plate 7 after penetrating through the guide 4. And simultaneously starting the four winches 5, so that each winch 5 simultaneously recovers the steel wire rope 6 at the same speed, and inserting the Larsen steel sheet pile 1 to be installed into a foundation in the area to be constructed under the action of tension until the distance from the top of the Larsen steel sheet pile 1 to be installed to the guide frame 3 is 0.5-1 m. The Larsen steel sheet pile 1 with the length reserved is used for ensuring the connection between the next Larsen steel sheet pile and the Larsen steel sheet pile, and the operation is convenient.
When the Larsen steel plate pile 1 is inserted into a preset position, the pressing plate 7 is disassembled, the bottom end of the next Larsen steel plate pile 1 to be installed is welded with the top surface of the last Larsen steel plate pile 1 to be installed to form a whole, and the inserting steps are repeated until all the Larsen steel plate piles 1 to be installed are installed.
by the method, the Larsen steel sheet pile 1 can be inserted into a preset area by combining the pressing plate 7 and the winch 5, and then the cofferdam is formed. When the bottom end of the next Larsen steel sheet pile 1 to be installed is welded with the top end of the last Larsen steel sheet pile 1 to be installed, the welding method comprises the following steps:
Adopting butt welding seams, wherein the welding seams adopt K-shaped openings, and welding reinforcing plates on the inner side of a web plate and the outer side of a flange of the Larsen steel sheet pile 1 to be installed; the welding adopts a carbon dioxide gas shielded welding mode. Welding 1 steel plate with the thickness of 18mm multiplied by 260mm multiplied by 400mm on the inner side of a steel plate pile bottom plate joint; both sides were welded with 15mm × 160 × 250 steel plates as reinforcing plates.
By adopting the welding method, the firmness among all the Larsen steel plate piles 1 can be ensured, and the whole Larsen steel plate pile can meet the engineering requirement. The method for installing the offshore low-clearance Larsen steel sheet pile improves the construction efficiency, so that the tensile steel sheet pile can be constructed in a plurality of areas which cannot be constructed before.
Claims (9)
1. The marine low-clearance Larsen steel sheet pile installation system is characterized by comprising two guide frames (3) which are arranged in parallel, wherein the two guide frames (3) are positioned on the same horizontal plane and are both higher than the water surface, and a limiting space for allowing a Larsen steel sheet pile (1) to be installed to penetrate through is formed between the two guide frames (3); the two guide frames (3) are fixed through steel pipe columns (2), and the bottoms of the steel pipe columns (2) extend into a foundation of a region to be constructed;
the device is characterized by also comprising a pressing plate (7), wherein the pressing plate (7) is used for being placed at the top end of the Larsen steel sheet pile (1) to be installed;
And tension mechanisms are arranged on the two guide frames (3), are connected with the pressing plate (7), and are used for generating tension when the Larsen steel plate piles (1) to be installed are installed, so that the Larsen steel plate piles (1) to be installed are driven by the pressing plate (7) to move downwards to be inserted into a foundation of a construction area to be constructed.
2. the offshore low-headroom Larsen steel sheet pile installation system of claim 1, wherein the tension mechanism comprises two winches (5) and two guides (4) which are arranged on each guide frame (3) at intervals, and the free end of a steel wire rope (6) on each winch (5) is fixedly connected to the pressure plate (7) after bypassing the corresponding guide (4); each winch (5) is used for downwards pulling the pressing plate (7) through a steel wire rope (6), and then driving the Larsen steel plate pile (1) to be implanted into a foundation of a to-be-constructed area.
3. Offshore low headroom larsen steel sheet pile installation system according to claim 2, characterized in that the four guides (4) on the two guide frames (3) are arranged in a rectangle.
4. offshore low headroom larsen steel sheet pile installation system according to claim 2 or 3, wherein the pressure plate (7) is a flat plate, the bottom surface of which is provided with a fixing groove (8), the shape of the fixing groove (8) being the same as the cross section of the larsen steel sheet pile (1).
5. The offshore low-headroom larsen steel sheet pile installation system of claim 4, wherein the pressure plate (7) and each guide (4) are provided with fixing holes (9) on the same vertical surface, and each fixing hole (9) is used for being fixedly connected with the steel wire rope (6) on the winch (5).
6. Marine low-headroom Larsen steel sheet pile installation system according to claim 5, characterized in that the fixing groove (8) is located between four fixing holes (9), and the distance between the center of the fixing groove (8) and each fixing hole (9) is equal.
7. Marine low headroom Larsen steel sheet pile installation system according to claim 6, characterized in that the distance between two said guiding frames (3) is 2h or more, wherein h is the height of Larsen steel sheet pile (1).
8. The method for installing the marine low-clearance Larsen steel sheet pile is characterized by comprising the following steps of:
Determining the position of the steel pipe column (2), and constructing the steel pipe column (2);
fixing two guide frames (3) on the steel pipe column (2); wherein the two guide frames (3) are arranged in parallel at intervals and are positioned on the same horizontal plane;
hoisting the Larsen steel sheet pile (1) to be installed by using hoisting equipment, inserting the bottom of the Larsen steel sheet pile (1) into a foundation of a region to be constructed after penetrating through a limiting space formed by two guide frames (3), and installing a supporting device on the guide frames (3) and at least one side of the Larsen steel sheet pile (1) to be installed so as to prevent the Larsen steel sheet pile (1) to be installed from turning laterally;
An insertion step: clamping the top end of the Larsen steel sheet pile (1) by using a fixing groove (8) of a pressing plate (7), and fixing the free end of a steel wire rope (6) of each winch (5) on a fixing hole (9) of the pressing plate (7) after penetrating through a guider (4); enabling each winch (5) to simultaneously recover the steel wire rope (6) at the same speed until the distance between the top of the Larsen steel sheet pile (1) to be installed and the guide frame (3) is 0.5-1 m;
And disassembling the pressing plate (7), welding the bottom end of the next Larsen steel plate pile (1) to be installed with the top surface of the previous Larsen steel plate pile (1) to be installed, and repeating the inserting step until all the Larsen steel plate piles (1) to be installed are installed.
9. The offshore low headroom larsen steel sheet pile installation method according to claim 8, wherein when welding the bottom end of the next larsen steel sheet pile (1) to be installed with the top end of the last larsen steel sheet pile (1) to be installed, the welding method is as follows:
adopting butt welding seams, wherein the welding seams adopt K-shaped openings, and welding reinforcing plates on the inner side of a web plate and the outer side of a flange of the Larsen steel sheet pile (1) to be installed; the welding adopts a carbon dioxide gas shielded welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910874818.9A CN110565629A (en) | 2019-09-17 | 2019-09-17 | marine low-clearance Larsen steel sheet pile installation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910874818.9A CN110565629A (en) | 2019-09-17 | 2019-09-17 | marine low-clearance Larsen steel sheet pile installation system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110565629A true CN110565629A (en) | 2019-12-13 |
Family
ID=68780510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910874818.9A Pending CN110565629A (en) | 2019-09-17 | 2019-09-17 | marine low-clearance Larsen steel sheet pile installation system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110565629A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305188A (en) * | 2019-11-28 | 2020-06-19 | 中国一冶集团有限公司 | Construction method for accurately guiding pile sinking in soft soil area |
| CN115262539A (en) * | 2022-08-10 | 2022-11-01 | 中南大学 | Offshore low-clearance jet grouting pile construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2116025U (en) * | 1992-03-12 | 1992-09-16 | 刘小清 | Static pile-press with liquid pullback weight |
| CN101469542A (en) * | 2007-12-26 | 2009-07-01 | 上海金炫建设工程有限公司 | Farmland pressed pile technological process |
| KR100989853B1 (en) * | 2008-02-04 | 2010-10-29 | 유한회사 대진기건 | piling location fixing apparatus for cast in place concrete pile wall |
| CN202208926U (en) * | 2011-08-26 | 2012-05-02 | 柳州十一冶机械制造有限责任公司 | Tandem traction system for retaining wall pipe of ramming enlarged pile driver |
| CN103615005A (en) * | 2013-11-06 | 2014-03-05 | 上海市基础工程集团有限公司 | Steel sheet pile assembling perpendicularity control device for building construction |
| CN207017268U (en) * | 2017-07-20 | 2018-02-16 | 中交第四公路工程局有限公司 | Steel sheet pile shakes pile sinking leading truck |
-
2019
- 2019-09-17 CN CN201910874818.9A patent/CN110565629A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2116025U (en) * | 1992-03-12 | 1992-09-16 | 刘小清 | Static pile-press with liquid pullback weight |
| CN101469542A (en) * | 2007-12-26 | 2009-07-01 | 上海金炫建设工程有限公司 | Farmland pressed pile technological process |
| KR100989853B1 (en) * | 2008-02-04 | 2010-10-29 | 유한회사 대진기건 | piling location fixing apparatus for cast in place concrete pile wall |
| CN202208926U (en) * | 2011-08-26 | 2012-05-02 | 柳州十一冶机械制造有限责任公司 | Tandem traction system for retaining wall pipe of ramming enlarged pile driver |
| CN103615005A (en) * | 2013-11-06 | 2014-03-05 | 上海市基础工程集团有限公司 | Steel sheet pile assembling perpendicularity control device for building construction |
| CN207017268U (en) * | 2017-07-20 | 2018-02-16 | 中交第四公路工程局有限公司 | Steel sheet pile shakes pile sinking leading truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305188A (en) * | 2019-11-28 | 2020-06-19 | 中国一冶集团有限公司 | Construction method for accurately guiding pile sinking in soft soil area |
| CN115262539A (en) * | 2022-08-10 | 2022-11-01 | 中南大学 | Offshore low-clearance jet grouting pile construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102312435B (en) | Template and the method for multiple basic component are installed in stratum under water | |
| CN110565629A (en) | marine low-clearance Larsen steel sheet pile installation system and method | |
| CN108179735B (en) | Pebble layer large-scale deep water foundation construction platform and pebble layer large-scale deep water foundation construction method | |
| GB2378679A (en) | Floating offshore wind turbine | |
| KR20120021238A (en) | Sea floating wind turbine apparatus for generating electricity with a floating support line compressed structure | |
| CN102071647A (en) | Method for mounting dismountable steel trestle | |
| CN101858083A (en) | Low spatial pile pulling construction method and device of steel pipe pile in water | |
| CN103925172A (en) | Integral mounting assisting device and mounting method for tension leg type offshore floating wind turbine | |
| CN114715336B (en) | Offshore wind power cylindrical foundation transportation and installation integrated ship suitable for deep water and installation method | |
| CN201144418Y (en) | Special guide sleeve for hydraulic pressure raising and lining | |
| CN113931207A (en) | Device and method for quickly constructing bridge substructure in half-shore semi-water narrow water area | |
| CN109024660A (en) | Pile foundation method for dismounting and offshore foundation method for dismounting | |
| CN218148238U (en) | Combined water drilling platform system | |
| CN102206938A (en) | Novel method for installing upper part block of offshore platform | |
| CN207904921U (en) | A kind of simple floating driving plant | |
| CN113431081A (en) | Integral ship-leaning anti-collision structure of offshore wind power multi-pile foundation and construction method | |
| CN217053422U (en) | Device for quickly constructing bridge substructure in semi-shore semi-water narrow water area | |
| CN113513038B (en) | Concrete single-pile foundation and installation and construction method thereof | |
| CN211006604U (en) | Offshore wind turbine generator system positioning support guide frame | |
| CN212688952U (en) | Negative pressure bucket type single pile gripper construction mechanism | |
| CN102444139A (en) | Construction method for installing offshore wind power generation fan | |
| CN213625576U (en) | Underground continuous wall HDPE membrane combination lower rack device | |
| TWI611075B (en) | Offshore wind turbine generator pipe pile laying method | |
| CN111439348A (en) | Novel semi-submersible platform and mounting method thereof | |
| CN203080503U (en) | Connection and injection system of seabed type static sounding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |
|
| RJ01 | Rejection of invention patent application after publication |