CN109208607B - Grouting plugging process for jacket of offshore booster station - Google Patents
Grouting plugging process for jacket of offshore booster station Download PDFInfo
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- CN109208607B CN109208607B CN201811310300.4A CN201811310300A CN109208607B CN 109208607 B CN109208607 B CN 109208607B CN 201811310300 A CN201811310300 A CN 201811310300A CN 109208607 B CN109208607 B CN 109208607B
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- jacket
- grouting
- ring plate
- pile
- hoop
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/06—Placing concrete under water
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a grouting plugging process for a jacket of a marine booster station, which is characterized in that a grouting packing tool is manufactured, the grouting packing tool can be modified and manufactured according to different pile diameters of different projects, the grouting packing tool surrounds the surface of a foundation pile and pushes upwards to the bottom of the jacket, the upper surface of an annular plate is connected with the bottom of the jacket, two semicircular grouting packing tools are fastened on the periphery of the foundation pile through double-headed screws, and an anchor ear and the foundation pile are fixed by electric welding through an underwater welding tool.
Description
Technical Field
The invention relates to the technical field of grouting plugging, in particular to a grouting plugging process for a jacket of an offshore booster station.
Background
According to the construction technical requirement, need grout in the cavity inside between jacket and four stake after marine booster station jacket construction is accomplished, because grout packer design is unreasonable or because pile process produces the damage, the effect that grout packer played in the grout is very little, the thick liquid phenomenon of leaking often appears, seriously influences the construction progress, consequently, this problem that exists among the prior art is solved to a modified technique of treating urgent need.
Disclosure of Invention
The invention aims to provide a grouting and plugging process for a jacket of an offshore booster station, which is used for manufacturing a grouting and plugging tool, can be modified and manufactured according to different pile diameters of different projects, and is arranged at the bottom of the jacket before grouting, so that the risk of slurry leakage is avoided, the grouting time is shortened, the construction cost is saved, the construction efficiency is improved, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a grouting plugging process for a jacket of an offshore booster station comprises the following steps:
the method comprises the following steps: manufacturing a plurality of grouting packing tools, firstly welding the lower surface of a ring plate and the top end of a hoop, wherein the ring plate and the hoop are in a semicircular shape, a certain distance is reserved between the inner edge of the ring plate and the inner edge of the hoop so as to facilitate welding, the upper end of a reinforcing rib is welded with the lower surface of the ring plate, the lower end of the reinforcing rib is welded with the outer side of the hoop, the reinforcing rib is also in a semicircular shape, two ends of the lower surface of the ring plate are respectively welded with a rib plate, screw holes are formed in the surface of the rib plate, and rubber strips are adhered to;
step two: a plurality of divers carry a plurality of grouting packing tools and underwater welding tools to submerge below a jacket of the booster station, and the grouting packing tools are encircled on the surface of a foundation pile and pushed upwards until the grouting packing tools reach the bottom of the jacket, so that the upper surface of an annular plate is connected with the bottom of the jacket;
step three: fastening two semicircular grouting packing tools on the periphery of the foundation pile through double-headed screws, fixing the anchor ear and the foundation pile through electric welding by using an underwater welding tool, and fixing the ring plate and the jacket through electric welding by using an underwater welding tool to prevent the grouting packing tools from falling off;
step four: grouting is carried out in the cavity between the jacket and the four piles, and finally grouting operation is completed.
Preferably, the grouting packing tool in the first step comprises a ring plate, a hoop, reinforcing ribs, rib plates and rubber strips, wherein the ring plate, the hoop and the reinforcing ribs are semicircular, the lower surface of the ring plate is fixedly connected with the hoop through the reinforcing ribs, the rib plates are fixedly mounted at two ends of the lower surface of the ring plate respectively, the rib plates are provided with screw holes, and the rubber strips are fixedly mounted on the upper surface of the ring plate through waterproof glue.
Preferably, the size of the grouting packing tool in the first step is determined according to the sizes of the jacket and the foundation pile.
Preferably, the jacket in the second step comprises a pile barrel, a platform, guardrails, support frames, foundation piles, pile barrel covers and grout inlets, the pile barrel is respectively installed at four corners of the platform, the guardrails are fixedly installed on two sides of the platform, the support frames are installed between the platform and the pile barrel, the foundation piles are arranged in the pile barrel, the pile barrel covers are fixedly arranged on the top ends of the pile barrel, and the grout inlets are formed in the surfaces of the pile barrel covers.
Compared with the prior art, the invention has the beneficial effects that:
(1) the grouting packing tool is convenient to obtain materials and simple to manufacture, and can be modified and manufactured according to different pile diameters of different projects.
(2) Install the frock in the jacket bottom before the grout, as first-selected or reserve sealing device, can avoid the risk of leaking thick liquid, shorten the grout time, save construction cost, improve the efficiency of construction.
(3) Light and simple, and convenient construction.
Drawings
Fig. 1 is a schematic bottom view of a grouting packing tool.
FIG. 2 is a schematic side sectional view of a grouting packing tool.
Fig. 3 is a schematic view of a jacket structure.
FIG. 4 is a schematic view of the connection of the grouting packing tool and the jacket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a grouting plugging process for a jacket of an offshore booster station comprises the following steps:
the method comprises the following steps: manufacturing a plurality of grouting packing tools, firstly welding the lower surface of a ring plate and the top end of a hoop, wherein the ring plate and the hoop are in a semicircular shape, a certain distance is reserved between the inner edge of the ring plate and the inner edge of the hoop so as to facilitate welding, the upper end of a reinforcing rib is welded with the lower surface of the ring plate, the lower end of the reinforcing rib is welded with the outer side of the hoop, the reinforcing rib is also in a semicircular shape, two ends of the lower surface of the ring plate are respectively welded with a rib plate, screw holes are formed in the surface of the rib plate, and rubber strips are adhered to;
step two: a plurality of divers carry a plurality of grouting packing tools and underwater welding tools to submerge below a jacket of the booster station, and the grouting packing tools are encircled on the surface of a foundation pile and pushed upwards until the grouting packing tools reach the bottom of the jacket, so that the upper surface of an annular plate is connected with the bottom of the jacket;
step three: fastening two semicircular grouting packing tools on the periphery of the foundation pile through double-headed screws, fixing the anchor ear and the foundation pile through electric welding by using an underwater welding tool, and fixing the ring plate and the jacket through electric welding by using an underwater welding tool to prevent the grouting packing tools from falling off;
step four: grouting is carried out in the cavity between the jacket and the four piles, and finally grouting operation is completed.
As shown in fig. 1-2, the grouting packing tool 1 in the first step includes a ring plate 11, a hoop 12, a reinforcing rib 13, rib plates 14 and rubber strips 15, wherein the ring plate 11, the hoop 12 and the reinforcing rib 13 are all semi-circular, the lower surface of the ring plate 11 is fixedly connected with the hoop 12 through the reinforcing rib 13, the rib plates 14 are fixedly mounted at two ends of the lower surface of the ring plate 11 respectively, the rib plates 14 are provided with screw holes, and the rubber strips 15 are fixedly mounted on the upper surface of the ring plate 11 through waterproof glue.
As shown in fig. 3, the jacket 2 in the second step includes a pile casing 21, a platform 22, a guardrail 23, a support frame 24, a foundation pile 25, a pile casing cover 26 and grout inlets 27, the pile casing 21 is respectively installed at four corners of the platform 22, the guardrail 23 is fixedly installed at two sides of the platform 22, the plurality of support frames 24 are installed between the platform 22 and the pile casing 21, the foundation pile 25 is arranged in the pile casing 21, the pile casing cover 26 is fixedly installed at the top end of the pile casing 21, and the surface of the pile casing cover 26 is provided with the plurality of grout inlets 27.
As shown in fig. 4, the upper surface of the ring plate 11 is connected to the bottom of the pile casing 21, and the anchor ear 12 is connected to the outer surface of the foundation pile 25.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A grouting plugging process for a jacket of an offshore booster station is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: manufacturing a plurality of grouting packing tools, firstly welding the lower surface of a ring plate and the top end of a hoop, wherein the ring plate and the hoop are in a semicircular shape, a certain distance is reserved between the inner edge of the ring plate and the inner edge of the hoop so as to facilitate welding, the upper end of a reinforcing rib is welded with the lower surface of the ring plate, the lower end of the reinforcing rib is welded with the outer side of the hoop, the reinforcing rib is also in a semicircular shape, two ends of the lower surface of the ring plate are respectively welded with a rib plate, screw holes are formed in the surface of the rib plate, and rubber strips are adhered to;
step two: a plurality of divers carry a plurality of grouting packing tools and underwater welding tools to submerge below a jacket of the booster station, and the grouting packing tools are encircled on the surface of a foundation pile and pushed upwards until the grouting packing tools reach the bottom of the jacket, so that the upper surface of an annular plate is connected with the bottom of the jacket;
step three: fastening two semicircular grouting packing tools on the periphery of the foundation pile through double-headed screws, fixing the anchor ear and the foundation pile through electric welding by using an underwater welding tool, and fixing the ring plate and the jacket through electric welding by using an underwater welding tool to prevent the grouting packing tools from falling off;
step four: grouting is carried out in the cavity between the jacket and the four piles, and finally grouting operation is completed.
2. The offshore booster station jacket grouting plugging process according to claim 1, characterized in that: the grouting packing tool in the first step comprises a ring plate, a hoop, a reinforcing rib, rib plates and rubber strips, wherein the ring plate, the hoop and the reinforcing rib are in a semicircular ring shape, the lower surface of the ring plate is fixedly connected with the hoop through the reinforcing rib, the two ends of the lower surface of the ring plate are respectively and fixedly provided with the rib plates, the rib plates are provided with screw holes, and the rubber strips are fixedly arranged on the upper surface of the ring plate through waterproof glue.
3. The offshore booster station jacket grouting plugging process according to claim 1 or 2, characterized in that: the size of the grouting packing tool in the first step is determined according to the sizes of the jacket and the foundation pile.
4. The offshore booster station jacket grouting plugging process according to claim 1, characterized in that: the jacket in the second step comprises a pile barrel, a platform, guardrails, support frames, foundation piles, pile barrel covers and grout inlets, the pile barrel is installed at four corners of the platform respectively, the guardrails are fixedly installed on two sides of the platform, the support frames are installed between the platform and the pile barrel, the foundation piles are arranged in the pile barrel, the pile barrel covers are fixedly arranged at the top ends of the pile barrel, and the surface of each pile barrel cover is provided with a plurality of grout inlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310300.4A CN109208607B (en) | 2018-11-06 | 2018-11-06 | Grouting plugging process for jacket of offshore booster station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310300.4A CN109208607B (en) | 2018-11-06 | 2018-11-06 | Grouting plugging process for jacket of offshore booster station |
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| CN109208607A CN109208607A (en) | 2019-01-15 |
| CN109208607B true CN109208607B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811310300.4A Active CN109208607B (en) | 2018-11-06 | 2018-11-06 | Grouting plugging process for jacket of offshore booster station |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610463A (en) * | 2019-01-16 | 2019-04-12 | 中交港湾（上海）科技有限公司 | A kind of jacket underwater grouting emergency plugging system and construction method |
| CN110747885B (en) * | 2019-10-30 | 2021-02-09 | 中铁大桥勘测设计院集团有限公司 | Packer and foundation pile structure |
| CN111364467A (en) * | 2020-03-28 | 2020-07-03 | 江苏龙源振华海洋工程有限公司 | Grouting plugging process for jacket of offshore booster station |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184790A (en) * | 1977-03-01 | 1980-01-22 | C. Nelson Shield, Jr., Trustee | Submerged pile grouting |
| CN201180270Y (en) * | 2008-04-10 | 2009-01-14 | 中交第二公路工程局有限公司 | Assembled arcuated plugging plate |
| CN102535534B (en) * | 2012-01-05 | 2016-01-20 | 江苏海上龙源风力发电有限公司 | A kind of intertidal zone multi-angular bracket blower foundation leveling grouting construction process |
| CN207062916U (en) * | 2017-07-26 | 2018-03-02 | 江苏海上龙源风力发电有限公司 | A kind of partial installation formula booster stations |
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