CN114348194A - Suspension type FRP concrete combined guyed tower type damping platform and construction method thereof - Google Patents
Suspension type FRP concrete combined guyed tower type damping platform and construction method thereof Download PDFInfo
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- CN114348194A CN114348194A CN202210040441.9A CN202210040441A CN114348194A CN 114348194 A CN114348194 A CN 114348194A CN 202210040441 A CN202210040441 A CN 202210040441A CN 114348194 A CN114348194 A CN 114348194A
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- 239000004567 concrete Substances 0.000 title claims abstract description 181
- 238000013016 damping Methods 0.000 title claims abstract description 59
- 238000010276 construction Methods 0.000 title claims abstract description 45
- 239000000725 suspension Substances 0.000 title abstract description 11
- 239000000178 monomer Substances 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 149
- 239000010959 steel Substances 0.000 claims description 149
- 238000003466 welding Methods 0.000 claims description 34
- 230000035939 shock Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000011376 self-consolidating concrete Substances 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 15
- 238000007667 floating Methods 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 238000005188 flotation Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 160
- 239000011151 fibre-reinforced plastic Substances 0.000 description 160
- 239000010410 layer Substances 0.000 description 63
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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Abstract
A suspension type FRP concrete combined guyed tower type damping platform and a construction method thereof relate to the technical field of building equipment, and comprise an upper platform structure, a plurality of upper layer module monomers, a layered module connecting member, a plurality of lower layer module monomers and an independent square foundation, wherein the upper layer module monomers and the lower layer module monomers are assembled to form an upper layer structure and a lower layer structure of a rigid connection system respectively through an integral node, a ring damper, an FRP concrete combined upright post, an FRP concrete combined diagonal brace and an FRP concrete combined truss brace; the upper platform structure is connected with the upper layer structure through the stiffening ribs and the column leg connectors; the lower layer structure is connected with the independent square foundation through the tension ribs and the connecting sleeves. The suspended FRP concrete combined guyed tower type damping platform and the construction method thereof have the advantages of simple construction, high assembly efficiency, strong corrosion resistance, good energy dissipation and damping performance and reusability.
Description
The technical field is as follows:
the invention relates to the technical field of building equipment, in particular to a suspension type FRP concrete combined guy cable tower type damping platform and a construction method thereof.
Background art:
the guyed tower type ocean platform has a working water area of 240m to 1000m, belongs to a deepwater ocean platform, and has the advantages of simple structure, relatively small component size and strong adaptability to various environmental loads compared with a jacket platform. The working application water area is deep sea, the environment is severe, and the platform member has strict requirements on strength, rigidity, stability and corrosion resistance, so the guyed tower type ocean platform has the characteristics of high manufacturing cost, great difficulty in design, construction and installation technology and the like. Under the large background that the deep water drilling resources are surplus for a long time at present, the platform is not applied in a large range due to high manufacturing cost and construction cost.
The invention content is as follows:
the invention aims to overcome the defects in the prior art, and provides a novel suspension FRP concrete combined guyed tower type damping platform which is simple and convenient to construct, high in assembly efficiency, strong in corrosion resistance, good in energy dissipation and damping performance and capable of being repeatedly used and a construction method thereof.
In order to solve the problems existing in the background technology, the invention adopts the following technical scheme: the composite structure comprises an upper platform structure, a plurality of upper layer module monomers, a layered module connecting member, a plurality of lower layer module monomers and an independent square foundation, wherein the upper layer structure and the lower layer structure of a rigid connection system are respectively formed by assembling the upper layer module monomers and the lower layer module monomers through integral nodes, ring-type dampers, FRP concrete combined columns, FRP concrete combined diagonal braces and FRP concrete combined truss braces, and the upper layer structure and the lower layer structure form an FRP concrete truss structure; the upper platform structure consists of a damping box body and a buoyancy tank platform, and the damping box body and the buoyancy tank platform are connected through an FRP steel plate and a lead core rubber cushion layer to form a damping system; the upper platform structure is connected with the upper layer structure through a stiffening rib and a column leg connecting port; the understructure is connected with independent square foundation through tension bar and adapter sleeve, and tension bar one end is passed through the tension bar go-between and is connected with understructure, and the tension bar other end passes through the tension bar connector and is connected with interior pole, and interior pole is embedded in adapter sleeve, and adapter sleeve is fixed in on the independent square foundation.
The outer wall of the shock absorption box body is provided with a plurality of transverse dampers, the transverse dampers are uniformly distributed on the shock absorption box body, and the shock absorption box body is provided with an FRP steel plate.
The integral type joint comprises a vertical half pipe, an inclined half pipe and a transverse half pipe, the top and the bottom of the vertical half pipe are respectively connected with an inner pipe through ring dampers, a backing plate is arranged on the outer wall of the inner pipe, a high-strength bolt is arranged on the outer wall of the backing plate and connected with an FRP concrete combined upright post, the inner pipe is inserted into the FRP concrete combined upright post, and a connecting lug is arranged at the end part of the FRP concrete combined upright post; the side wall of the vertical half pipe is provided with an oblique half pipe and a horizontal half pipe, and the oblique half pipe and the horizontal half pipe are respectively connected with the FRP concrete combined diagonal brace and the FRP concrete combined truss brace.
The layered connection member comprises a first C-shaped sleeve, a second C-shaped sleeve and a hydraulic fixer, the first C-shaped sleeve is connected with the second C-shaped sleeve through the hydraulic fixer, the upper part of the first C-shaped sleeve and the lower part of the second C-shaped sleeve are respectively connected with the inner pipe through ring dampers, the outer wall of the inner pipe is provided with a backing plate, the outer wall of the backing plate is provided with a high-strength bolt, the high-strength bolt is connected with the FRP concrete combined column, the inner pipe is inserted into the FRP concrete combined column, and the end part of the FRP concrete combined column 31 is provided with a connecting lug 24; an inclined half pipe and a transverse half pipe are arranged on one side wall of the C-shaped sleeve, the inclined half pipe and the transverse half pipe are respectively connected with the FRP concrete combined diagonal brace and the FRP concrete combined truss brace, and an FRP inner pipe with a conical head is arranged at the bottom of the C-shaped sleeve; and a rubber cushion layer is arranged in the second C-shaped sleeve, an inclined half pipe and a transverse half pipe are arranged on the outer wall of the second C-shaped sleeve, and the inclined half pipe and the transverse half pipe are respectively connected with the FRP concrete combined diagonal brace and the FRP concrete combined truss brace.
The understructure is connected with independent square foundation through tension bar and connecting sleeve, and tension bar one end is passed through the tension bar go-between and is connected with understructure, and the tension bar other end passes through the tension bar connector and is connected with interior pole, and interior pole is embedded in the connecting sleeve, on the connecting sleeve was fixed in independent square foundation, independent square foundation include concrete base and steel sheet foundatin plate, concrete base four rings of outer walls are equipped with the steel sheet foundatin plate.
The buoyancy tank platform comprises an FRP steel plate buoyancy tank, the upper part of the FRP steel plate buoyancy tank is connected with an FRP steel plate through a lead core rubber cushion layer, a damping tank body is installed on the FRP steel plate, and a plurality of transverse dampers are uniformly distributed on the side wall of the damping tank body.
The FRP concrete combined upright post, the FRP concrete combined diagonal brace and the FRP concrete combined truss are respectively divided into three forms, wherein the core concrete, the steel pipe and the FRP pipe are sequentially arranged from inside to outside in the first form, the core concrete, the steel pipe, the sandwich concrete and the FRP pipe are sequentially arranged from inside to outside in the second form, and the steel pipe, the sandwich concrete and the FRP pipe are sequentially arranged from inside to outside in the third form.
The construction method of the FRP concrete composite structure upright column comprises the steps of firstly wrapping a steel pipe by using an outer-layer seamless winding type FRP pipe, fixing inner pipes with the radius being the radius of the inner wall of the steel pipe at the two ends of the steel pipe through transverse high-strength bolts, extending out the designed length, sealing the end ports of the inner pipes at the lower part of the steel pipe, arranging pouring openings at the top ends of the inner pipes at the upper part, pouring self-compacting concrete into the FRP steel pipe, enabling the height of the concrete poured into the FRP steel pipe to be equal to the top of the inner pipes, and welding connecting lugs on the two end faces of the steel pipe after the concrete is formed; the FRP concrete combined truss construction method comprises the steps of firstly wrapping a steel pipe by using an outer seamless winding type FRP pipe, then extending out a designed length of the steel pipe through inner pipes with the radius of transverse high-strength bolts as the radius of the inner wall of the steel pipe at two ends of the steel pipe, sealing the end port of the inner pipe at one end of the steel pipe, forming a pouring opening at the top end of the inner pipe at the other end of the steel pipe, pouring self-compacting concrete into the FRP steel pipe, enabling the height of the concrete poured into the FRP steel pipe to be equal to the top of the inner pipe, and welding connecting lugs on two end faces of the steel pipe after the concrete is formed; the construction method of the integral node comprises the steps of firstly designing a multi-plane node according to design requirements, wrapping the outer wall of the multi-plane node by using an outer seamless winding type FRP pipe, reserving embedding spaces at the ends of a vertical half pipe, a horizontal half pipe and an inclined half pipe of a single node, sealing, welding a connecting lug on the end face of the half pipe, and finally pouring self-compacting concrete into a pouring hole to fill the inner space of the multi-plane node.
Firstly, sleeving an FRP concrete truss and an FRP concrete upright column prefabricated in a factory into an annular damper, butting an integral FRP multi-plane node, connecting and fixing the integral FRP multi-plane node through a high-strength bolt, forming a basic truss unit structure, and forming a layered module monomer of a truss by using 5-6 basic truss units; then welding a C-shaped sleeve 2 at the upper end of each set single stand column of the layered module, and placing a rubber gasket into the C-shaped sleeve 2; welding a C-shaped sleeve 1 at the lower end of each single upright post of the set layered module, and installing and fixing a hydraulic fixer on the side wall of each upright post through a high-strength bolt; the upper end surface of the single column of the layering module at the top layer in the layering of the truss is provided with a bolt hole connecting lug and an inner tube with a designed length extending out, self-compacting concrete is poured into the inner tube, and the height of the concrete is equal to the top of the inner tube; a tension rib connecting ring is formed on the lower end surface of the upright post of the bottom layer module in the truss layering process, and a plurality of beams of tension ribs extend out; the construction method of the damping box body with the upper platform structure comprises the following steps of firstly welding FRP steel plates prefabricated in a factory into an integrated box body to form a buoyancy tank platform structure; welding a column leg connector at the lower part of the buoyancy tank platform according to design requirements; adopt prefabricated integral type steel sheet of mill and steel box to constitute the shock attenuation box structure, arrange lead core rubber cushion, horizontal damper between shock attenuation box and flotation tank platform to it is fixed through the bolted connection that excels in.
Firstly, excavating an oil extraction site to a corresponding depth, leveling, placing a template and pouring a square independent foundation, wherein a steel foundation plate with a connecting sleeve is arranged at the upper part of the square independent foundation; after the foundation is formed, arranging the truss layered module monomers prefabricated in a factory in sequence and assembling the truss layered module monomers under water, butting a lower column leg connector of a floating box platform with an inner tube of a top module of a lower structure, connecting and welding and fixing the upper column leg connector with high-strength bolts on connecting lugs, injecting a certain amount of water into the floating box platform to enable the platform to sink to a set height, pulling the platform structure to a specified position by adopting a barge, connecting and fixing tension rib connectors of a plurality of tension ribs extending out of a bottom tension rib connecting ring of a bottom module with 4 connecting sleeves of a square independent foundation, screwing the high-strength bolts on the connecting lugs by using an underwater robot, simultaneously gradually discharging the water in the floating box platform, and floating the platform to a tension rib tightening state; and finally, mooring cables are tied at the mooring cable connection points, and mooring weight blocks at the lower ends of the mooring cables are placed at the designed positions to fix the tower structure.
The invention has the following advantages:
1. the FRP concrete structure is applied to the field of offshore platforms, the corrosion resistance of the platform structure is greatly improved by the FRP layer, the later maintenance cost of the member is reduced, and the service life of the structure is prolonged; the steel pipe layer restricts the deformation of the inner concrete layer and fully plays the role of the strength of the concrete; the concrete layer in the member improves the integral rigidity of the structure and reduces the deformation of the lower truss structure under the action of underwater load.
2. Through setting up the annular damper, the deformation performance of truss brace, stand under the effect of load has obtained improving, simultaneously, has improved the durability that the member used, and the ability of structure energy dissipation shock attenuation has obtained the promotion on the whole.
3. The connecting mode of the suspension FRP combined guyed tower type damping platform structure system is characterized in that the columns and the trusses are connected by integral nodes prefabricated in a factory, and the construction process of the guyed tower type damping platform structure system is simplified through the modes of inner pipe nested connection and high-strength bolt connection and fixation; the joint resists shearing force through the inner pipe, and the high-strength bolt resists pulling force, so that the requirements on strength and deformation of the structure are met; when in offshore site construction, the lower structure is only needed to be spliced and butted according to the layered modules, the screws are screwed down by using the underwater robot, and the construction process of sequential butting is simple, short in time consumption and free of pollution; the lower truss structure can protect a drilling oil pipe underwater, and the guarantee of crude oil delivery is improved; when the platform needs to be dismantled, only need the layering to dismantle according to the module and carry away, shift to other destinations after, treat the basis pour shaping after alright direct mount, the platform structure can be dismantled at any time and assemble at any time, play a reuse, reduce cost's effect.
4. According to the invention, a novel damping platform is adopted, and the damping box body is separated from the buoyancy tank platform and the lower truss structure by the rubber cushion layer and the transverse damper, so that the self vibration effect of the platform in stormy waves is reduced, and the stability of the drilling platform and the comfort of workers in the working process are ensured.
5. The invention adopts the buoyancy tank platform and the tension bars to replace part of the truss, so that the construction cost can not be greatly improved along with the depth when the device works in deep sea, and the working platform is not limited by the depth of the sea.
Description of the drawings:
FIG. 1 is a schematic cross-sectional view of a shock absorbing housing + damper + of the present invention;
FIG. 2 is a schematic view of the buoyancy tank platform + rubber cushion of the present invention;
FIG. 3 is a schematic bottom-top view of the inventive pontoon platform;
FIG. 4 is a schematic cross-sectional view of a damping platform of the present invention;
FIG. 5 is a top schematic view of a top module of the present invention;
FIG. 6 is a schematic view of a layered modular cell of the present invention;
FIG. 7 is a schematic view of a layered module connection of the present invention;
FIG. 8 is a schematic of the infrastructure-to-infrastructure connection of the present invention;
FIG. 9 is a schematic diagram of a free standing square base of the present invention;
FIG. 10 is a schematic view of the composite truss attachment of the present invention;
FIG. 11 is a schematic view of a damper, high strength bolt backing plate of the present invention;
FIG. 12 is a schematic view of a layered module connecting member of the present invention;
FIG. 13 is a schematic sectional view of an FRP concrete structure of the invention;
figure 14 is a schematic plan view of a suspended guyed tower-type shock absorbing platform of the present invention.
Description of reference numerals: 1 lead core rubber cushion layer, 2 transverse damper, 3 buoyancy tank platform, 4 stiffening ribs, 5 mooring rope connection points, 6 mooring rope, 7FRP concrete truss structure, 8 ring type damper, 9 connecting sleeve, 10 independent square foundation, 11 mooring weight, 12FRP steel plate, 13 damping box body, 14 tension bar, 15 tension bar connecting ring, 16C type sleeve II, 17 layered module monomer, 18 integral node, 19FRP concrete combined truss support, 20 basic truss unit, 21C type sleeve I, 22FRP tapered head inner pipe, 23 hydraulic fixer, 24 connecting lug, 25 inner pipe, 26 bolt hole I, 27 backing plate, 28 transverse high-strength bolt, 29 bolt hole II, 30 vertical half pipe, 31FRP concrete combined upright post, 32 oblique half pipe, 33 transverse half pipe, 34FRP concrete combined diagonal support, 35 upper module monomer, 36 layered module connecting component, 37 lower module monomer, 35 FRP concrete combined diagonal support, and the like, 38 steel plate foundation plates, 39 concrete bases, 40 column leg connectors, 41 column leg connectors, 42FRP steel plate buoyancy tanks, 43 inner rods, 44 tension bar connectors, 45FRP outer layers, 46 core concrete, 47 steel pipes, 48FRP pipes and 49 interlayer concrete
The specific implementation mode is as follows:
referring to the drawings, the present invention specifically adopts the following embodiments: the structure comprises an upper platform structure, a plurality of upper layer module single bodies 35, a layered module connecting member 36, a plurality of lower layer module single bodies 37 and an independent square foundation 10, wherein the plurality of upper layer module single bodies 35 and the plurality of lower layer module single bodies 37 are assembled through an integral node 18, a ring-type damper 8, an FRP concrete combined upright column 31, an FRP concrete combined inclined strut 34 and an FRP concrete combined truss 19 respectively to form an upper layer structure and a lower layer structure of a rigid connection system, and the upper layer structure and the lower layer structure form an FRP concrete truss structure 7; the upper platform structure consists of a damping box body 13 and a buoyancy tank platform 3, and the damping box body 13 and the buoyancy tank platform are connected through an FRP steel plate 12 and a lead core rubber cushion layer 1 to form a damping system; the upper platform structure is connected with the upper layer structure through a stiffening rib 4 and a column leg connecting port 40; the understructure is connected with independent square foundation 10 through tension bar 14 and connecting sleeve 9, and tension bar 14 one end is connected with understructure through tension bar go-between 15, and the tension bar 14 other end is connected with interior pole 43 through tension bar connector 44, and interior pole 43 is embedded in connecting sleeve 9, and connecting sleeve 9 is fixed in on the independent square foundation 10. The outer wall of the shock absorption box body 13 is provided with a plurality of transverse dampers 2, the transverse dampers 2 are uniformly distributed on the shock absorption box body 13, and the shock absorption box body 13 is provided with an FRP steel plate 12. The integral type joint 18 comprises a vertical half pipe 30, an oblique half pipe 32 and a transverse half pipe 33, the top and the bottom of the vertical half pipe 30 are respectively connected with an inner pipe 25 through a ring type damper 8, a backing plate 27 is arranged on the outer wall of the inner pipe 25, a transverse high-strength bolt 28 is arranged on the outer wall of the backing plate 27, the transverse high-strength bolt 28 is connected with an FRP concrete combined upright column 31, the inner pipe 25 is inserted into the FRP concrete combined upright column 31, and a connecting lug 24 is arranged at the end part of the FRP concrete combined upright column 31; the side wall of the vertical half pipe 30 is provided with an oblique half pipe 32 and a horizontal half pipe 33, and the oblique half pipe 32 and the horizontal half pipe 33 are respectively connected with the FRP concrete combined inclined strut 34 and the FRP concrete combined truss 19. The layered connecting member 36 comprises a first C-shaped sleeve 21, a second C-shaped sleeve 16 and a hydraulic fixer 23, the first C-shaped sleeve 21 is connected with the second C-shaped sleeve 16 through the hydraulic fixer 23, the upper part of the first C-shaped sleeve 21 and the lower part of the second C-shaped sleeve 16 are respectively connected with an inner pipe 25 through an annular damper 8, a backing plate 27 is arranged on the outer wall of the inner pipe 25, a transverse high-strength bolt 28 is arranged on the outer wall of the backing plate 27, the transverse high-strength bolt 28 is connected with an FRP concrete combined upright column 31, the inner pipe 25 is inserted into the FRP concrete combined upright column 31, and a connecting lug 24 is arranged at the end part of the FRP concrete combined upright column 31; an inclined half pipe 32 and a transverse half pipe 33 are arranged on the side wall of the C-shaped sleeve I21, the inclined half pipe 32 and the transverse half pipe 33 are respectively connected with an FRP concrete combined inclined strut 34 and an FRP concrete combined truss strut 19, and an FRP inner pipe 22 with a conical head is arranged at the bottom of the C-shaped sleeve I21; the outer wall of the second C-shaped sleeve 16 is provided with a slant half pipe 32 and a horizontal half pipe 33, the slant half pipe 32 and the horizontal half pipe 33 are respectively connected with an FRP concrete combined inclined strut 34 and an FRP concrete combined truss strut 19, the lower layer structure is connected with the independent square foundation 10 through a tension rib 14 and a connecting sleeve 9, one end of the tension rib 14 is connected with the lower layer structure through a tension rib connecting ring 15, the other end of the tension rib 14 is connected with an inner rod 43 through a tension rib connector 44, the inner rod 43 is embedded in the connecting sleeve 9, the connecting sleeve 9 is fixed on the independent square foundation 10, the independent square foundation 10 comprises a concrete base 39 and a steel plate foundation plate 38, and the outer wall of four circles of the concrete base 39 is provided with the steel plate foundation plate 38. The buoyancy tank platform 3 comprises an FRP steel plate buoyancy tank 42, the upper part of the FRP steel plate buoyancy tank 42 is connected with an FRP steel plate 12 through a lead core rubber cushion layer 1, a damping tank body 13 is installed on the FRP steel plate 12, and a plurality of transverse dampers 2 are uniformly distributed on the side wall of the damping tank body 13. The FRP concrete combined upright column 31, the FRP concrete combined diagonal bracing 34 and the FRP concrete combined truss 19 are respectively divided into three forms, wherein the core concrete 46, the steel pipe 47 and the FRP pipe 48 are sequentially arranged from inside to outside, the core concrete 46, the steel pipe 47, the interlayer concrete 49 and the FRP pipe 48 are sequentially arranged from inside to outside, and the steel pipe 47, the interlayer concrete 49 and the FRP pipe 48 are sequentially arranged from inside to outside. The construction method of the FRP concrete composite structure upright column 31 comprises the steps of wrapping a steel tube 47 with an outer seamless winding type FRP tube 48, fixing inner tubes with the radius being the radius of the inner wall of the steel tube at the two ends of the steel tube through transverse high-strength bolts, extending out the designed length, sealing the end ports of the inner tubes at the lower part of the steel tube, arranging pouring openings at the top ends of the inner tubes at the upper part, pouring self-compacting concrete into the FRP steel tube, enabling the height of the concrete poured into the FRP steel tube to be equal to the top of the inner tubes, and welding connecting lugs on the two end faces of the steel tube after the concrete is formed; the FRP concrete combined truss 19 construction method comprises the steps of wrapping a steel pipe 47 by using an outer seamless winding type FRP pipe 48, extending out a designed length from two ends of the steel pipe through an inner pipe with the radius of a transverse high-strength bolt as the radius of the inner wall of the steel pipe, sealing the end port of the inner pipe at one end of the steel pipe, forming a pouring opening at the top end of the inner pipe at the other end of the steel pipe, pouring self-compacting concrete into the FRP steel pipe, enabling the height of the concrete poured into the FRP steel pipe to be equal to the top of the inner pipe, and welding connecting lugs on two end faces of the steel pipe after the concrete is formed; the construction method of the integral node 18 comprises the steps of firstly designing a multi-plane node according to design requirements, wrapping the outer wall of the multi-plane node by an outer seamless winding FRP pipe, reserving embedding spaces at the ends of a vertical half pipe, a horizontal half pipe and an oblique half pipe of a single node, sealing, welding connecting lugs on the end faces of the half pipes, and finally pouring self-compacting concrete into a pouring hole to fill the inner space of the multi-plane node. Firstly, sleeving an FRP concrete truss and an FRP concrete upright column prefabricated in a factory into an annular damper, butting an integral FRP multi-plane node, connecting and fixing the integral FRP multi-plane node through a high-strength bolt, forming a basic truss unit structure, and forming a layered module monomer of a truss by using 5-6 basic truss units; then welding a C-shaped sleeve 2 at the upper end of each set single stand column of the layered module, and placing a rubber gasket into the C-shaped sleeve 2; welding a C-shaped sleeve 1 at the lower end of each single upright post of the set layered module, and installing and fixing a hydraulic fixer on the side wall of each upright post through a high-strength bolt; the upper end surface of the single column of the layering module at the top layer in the layering of the truss is provided with a bolt hole connecting lug and an inner tube with a designed length extending out, self-compacting concrete is poured into the inner tube, and the height of the concrete is equal to the top of the inner tube; a tension rib connecting ring is formed on the lower end surface of the upright post of the bottom layer module in the truss layering process, and a plurality of beams of tension ribs extend out; the construction method of the damping box body with the upper platform structure comprises the following steps of firstly welding FRP steel plates prefabricated in a factory into an integrated box body to form a buoyancy tank platform structure; welding a column leg connector at the lower part of the buoyancy tank platform according to design requirements; adopt prefabricated integral type steel sheet of mill and steel box to constitute the shock attenuation box structure, arrange lead core rubber cushion, horizontal damper between shock attenuation box and flotation tank platform to it is fixed through the bolted connection that excels in. Firstly, excavating an oil extraction site to a corresponding depth, leveling, placing a template and pouring a square independent foundation, wherein a steel foundation plate with a connecting sleeve is arranged at the upper part of the square independent foundation; after the foundation is formed, arranging the truss layered module monomers prefabricated in a factory in sequence and assembling the truss layered module monomers under water, butting a lower column leg connector of a floating box platform with an inner tube of a top module of a lower structure, connecting and welding and fixing the upper column leg connector with high-strength bolts on connecting lugs, injecting a certain amount of water into the floating box platform to enable the platform to sink to a set height, pulling the platform structure to a specified position by adopting a barge, connecting and fixing tension rib connectors of a plurality of tension ribs extending out of a bottom tension rib connecting ring of a bottom module with 4 connecting sleeves of a square independent foundation, screwing the high-strength bolts on the connecting lugs by using an underwater robot, simultaneously gradually discharging the water in the floating box platform, and floating the platform to a tension rib tightening state; finally, mooring ropes 6 are tied on the mooring rope connection points 5, and mooring weight blocks 11 at the lower ends of the mooring ropes 6 are placed at the designed positions to fix the tower structure.
The novel suspension type FRP concrete combined guyed tower platform structure system is composed of prefabricated FRP concrete combined columns, FRP concrete combined trusses and FRP integral multi-plane nodes, the upper structure is an FRP buoyancy tank platform structure and a damping tank platform, and the lower truss structure part of the suspension type FRP concrete combined guyed tower platform is a tower structure with a square section; the end parts of the FRP concrete combined upright columns and the FRP concrete combined truss support form connecting lugs with bolt holes, and the end part extension inner pipes penetrate through the ring-type damper and are embedded into the node semi-pipes and connected and fixed through high-strength bolts; the integral multi-plane node is formed by intersecting a transverse half pipe, a vertical half pipe and an inclined half pipe, the extending end surfaces of the half pipes form connecting lugs, and the connecting lugs are provided with bolt holes; the lower truss structure is composed of 2-3 layered module monomers, and the upper layer module monomer and the lower layer module monomer are connected through truss layered connecting members and are connected through longitudinal high-strength bolts; the bottom of the truss is provided with a tension rib connecting ring and a plurality of beams of tension ribs which extend out of the tension rib connecting ring and are connected to the independent foundation through a connector.
The FRP concrete composite structure form in the above scheme includes and is not limited to the following ways: the composite pipe is composed of FRP pipes, steel pipes and core concrete; the composite pipe is composed of FRP pipes, sandwich concrete, steel pipes and core concrete; is composed of FRP pipe, sandwich concrete and steel pipe. The outer FRP layer in the FRP concrete composite structure can prevent the steel pipe and the concrete in the inner rod piece layer from being corroded by seawater; the steel pipe and the FRP layer play a role in restraining deformation of the concrete layer; the concrete layer plays a great role in improving the structural rigidity and strength of the rod piece.
The half pipe of the integral node in the scheme is reserved with a space for nesting the inner pipe; the half-pipe extending end surface of the integral node forms a connecting lug and is provided with a bolt hole; the radius of the section of the inner pipe is the radius of the inner wall of the monomer node semi-pipe.
In the scheme, the FRP concrete-filled steel tube combination column combined with the ring damper and the FRP concrete-filled steel tube truss combined with the ring damper are provided with prefabricated inner tubes at the ends of the FRP concrete-filled steel tube combination column combined with the ring damper, the FRP concrete-filled steel tube combination column combined with the ring damper is fixed by the lateral high-strength bolts on the side walls, the radius of each inner tube is the radius of the inner wall of the FRP concrete-filled steel tube combination column combined with the ring damper, and the inner tubes penetrate through the ring damper and are embedded into the half tubes of the single nodes and are fixedly connected with the half tubes of the single nodes through the high-strength bolts.
In the scheme, the lower truss structure is composed of 2-3 truss layered modules, wherein 5-6 basic truss units are connected to form a layered module monomer with the height of 30 meters. The layered module monomer is easy to hoist and construct, and can quickly hoist and butt-joint to fix an underwater structure during offshore assembly.
In the scheme, the connecting member of the truss layered module comprises a hydraulic fixer, a C-shaped sleeve 1, a C-shaped sleeve 2, a rubber gasket, an FRP (fiber reinforced plastic) inner pipe with a conical head and a high-strength bolt, wherein the C-shaped sleeve 1 and the C-shaped sleeve 2 are respectively welded and fixed at two ends of a stand column of an upper module and a lower module, the hydraulic fixer is installed and fixed on the side wall of the stand column of the upper module through the high-strength bolt, the welded FRP inner pipe with the conical head extends out of the bottom of the stand column, the rubber gasket is arranged at the top of the stand column of the lower module, and the truss structure of the upper module and the lower module is formed by inner pipe nested connection and compaction by the hydraulic fixer and then is connected and fixed through the longitudinal high-strength bolt.
The upper platform structure-lower truss structure connecting part of the scheme is composed of column leg connectors, stiffening ribs, connecting lugs and inner pipes, the radius of each inner pipe is the radius of the inner wall of each column leg connector, the stiffening ribs are distributed in a cross shape along the outer walls of the column leg connectors, and the connecting parts are nested by the inner pipes and are connected and fixed through longitudinal high-strength bolts.
The upper platform part of the scheme is composed of an FRP buoyancy tank platform and a damping box body platform, the damping box body platform is arranged in the middle of the box body platform and is connected through a transverse damper and a lead core rubber pad and is fixedly connected through high-strength bolts.
The lower structure-foundation connecting part in the scheme is composed of a square independent foundation with a connecting sleeve, a tension rib connecting ring and a plurality of beams of tension ribs, the beams of tension ribs are connected with the connecting sleeve of the independent foundation, the tension ribs provide tension, and the lower truss structure and the buoyancy tank platform achieve a balanced state.
The construction method of the suspension FRP concrete combined guyed tower type damping platform structure comprises the following steps:
the construction method of the prefabricated upright post of the FRP concrete composite structure comprises the following steps: the method comprises the steps of firstly wrapping a steel pipe by using an outer seamless winding type FRP pipe, then arranging inner pipes with the radius being the radius of the inner wall of the steel pipe at the two ends of the steel pipe, extending out to the designed length, and connecting and fixing the inner pipes through transverse high-strength bolts on the side wall of the steel pipe. Sealing the end openings of the inner pipes at the lower parts of the steel pipes, forming pouring openings at the top ends of the inner pipes at the upper parts of the steel pipes, pouring self-compacting concrete into the FRP steel pipes, enabling the height of the concrete poured into the FRP steel pipes to be equal to the top of the inner pipes, and welding connecting lugs on two end surfaces of each steel pipe after the concrete is formed; the construction method of the precast truss of the FRP concrete composite structure comprises the steps of wrapping a steel pipe by using an outer-layer seamless winding type FRP pipe, arranging inner pipes with the radius being the radius of the inner wall of the steel pipe at the two ends of the steel pipe, extending out to the designed length, and connecting and fixing the inner pipes through transverse high-strength bolts on the side wall of the steel pipe. The end opening of the inner pipe at one end of the steel pipe is sealed, the top end of the inner pipe at the other end is provided with a pouring opening, self-compacting concrete is poured into the FRP steel pipe, the height of the concrete poured into the FRP steel pipe is equal to the top of the inner pipe, and after the concrete is formed, connecting lugs are welded on two end faces of the steel pipe.
The construction method of the prefabricated integral multi-plane node of the FRP concrete composite structure comprises the following steps: the method comprises the steps of firstly designing a multi-plane node according to design requirements, wrapping the outer wall of the multi-plane node by using an outer seamless winding type FRP pipe, reserving embedding spaces at the ends of a vertical half pipe, a horizontal half pipe and an oblique half pipe of a single node, sealing, and welding connecting lugs on the end faces of the half pipes. And finally, pouring self-compacting concrete into the pouring hole until the internal space of the multi-plane node is filled.
The construction method of the upper structure of the suspended FRP combined guy cable tower type damping platform structure comprises the following steps: firstly, welding an FRP outer layer steel plate prefabricated in a factory into an integrated box body to form a buoyancy tank platform structure; welding a column leg connector at the bottom of the buoyancy tank platform according to design requirements; adopt prefabricated integral type steel sheet of mill and steel box to constitute the shock attenuation box structure, arrange lead core rubber cushion, horizontal damper between shock attenuation box and flotation tank platform to it is fixed through the bolted connection that excels in.
The construction method of the suspended FRP combined guy cable tower type damping platform structure system comprises the following steps: and excavating the oil extraction site to a corresponding depth, leveling, placing a template and pouring a square independent foundation, wherein the upper part of the square independent foundation is provided with a steel foundation plate with a connecting sleeve. After the foundation is formed, the truss layered module monomers prefabricated in a factory are sequentially arranged and assembled under water, the lower column leg connecting port of the buoyancy tank platform is in butt joint with the top module inner pipe of the lower structure, and the truss layered module monomers are connected and welded and fixed through high-strength bolts on the connecting lugs. Injecting a certain amount of water into the buoyancy tank platform to enable the platform to sink to a set height, pulling the platform structure to a specified position by adopting a barge, connecting and fixing connectors of a plurality of tension bars extending out of tension bar connecting rings at the bottom of a bottom layer module with 4 connecting sleeves of a square independent foundation, and screwing high-strength bolts on connecting lugs by an underwater robot; and simultaneously, water in the buoyancy tank platform is gradually discharged, and the platform floats upwards to a state that the tension ribs are tightened. And finally, tying a mooring rope at the joint of the mooring rope, and placing a mooring weight block at the lower end of the mooring rope at a designed position to fix the tower structure.
Example 1:
as shown in fig. 10, 11 and 13, the novel suspension type FRP concrete combined guyed tower-type damping platform structure system is composed of prefabricated FRP concrete combined columns, FRP concrete combined trusses and FRP integral multi-plane nodes, wherein the integral multi-plane nodes are formed by intersecting transverse half pipes, vertical half pipes and oblique half pipes, the extending end faces form connecting lugs, and the connecting lugs are provided with bolt holes; the FRP concrete combination upright post and the FRP concrete combination truss support end form a connecting lug with a bolt hole, and an inner pipe extending from the end penetrates through the ring-type damper and then is embedded into the node semi-pipe and is connected and fixed through a high-strength bolt.
The construction method in the embodiment comprises the following steps:
the construction method of the prefabricated integral type multi-plane node comprises the steps of firstly designing the multi-plane node according to design requirements, wrapping the outer wall of the multi-plane node by an outer seamless winding type FRP pipe, reserving embedding spaces at the ends of a vertical half pipe, a horizontal half pipe and an oblique half pipe of a single node, sealing, and welding connecting lugs on the end faces of the half pipes. Finally, pouring concrete into the pouring holes to fill the internal space of the multi-plane node;
the construction method of the prefabricated upright post of the FRP concrete composite structure comprises the following steps: firstly, wrapping a steel pipe by using an outer seamless winding type FRP pipe, then arranging inner pipes with the radiuses being the radiuses of the inner walls of the steel pipe at the two ends of the steel pipe, extending out the designed length, connecting and fixing the inner pipes through a transverse high-strength bolt on the side wall of the steel pipe, sealing the end ports of the inner pipes at the lower part of the steel pipe, arranging a pouring port at the top end of the inner pipe at the upper part, pouring self-compacting concrete into the FRP steel pipe, enabling the height of the concrete poured into the FRP steel pipe to be equal to the top of the inner pipe, and welding connecting lugs on the two end faces of the steel pipe after the concrete is formed;
the construction method of the prefabricated truss of the FRP concrete composite structure comprises the steps of firstly wrapping a steel pipe by using an outer seamless winding type FRP pipe, then arranging inner pipes with the radius being the radius of the inner wall of the steel pipe at two ends of the steel pipe, extending out the designed length, connecting and fixing through a transverse high-strength bolt on the side wall of the steel pipe, sealing the end openings of the inner pipes at one end of the steel pipe, arranging pouring openings at the top ends of the inner pipes at the other end of the steel pipe, pouring self-compacting concrete into the FRP steel pipe, leveling the height of the concrete poured into the FRP steel pipe with the top of the inner pipes, and welding connecting lugs on two end faces of the steel pipe after the concrete is formed.
Example 2:
as shown in fig. 1, 2, 3, 4 and 5, a buoyancy tank platform of an upper platform structure of the fabricated FRP combined guyed tower-type damping platform structure is an integrated buoyancy tank platform structure formed by welding prefabricated FRP steel plates, and column-leg connectors are welded at the lower part of the buoyancy tank platform according to design requirements; the upper platform structure-lower truss structure connecting part is composed of a column leg connecting port, a stiffening rib, a connecting lug and an inner pipe, is connected in an inner pipe nesting mode, and is connected and fixed through a longitudinal high-strength bolt; the damping box body structure of the upper platform structure is an integrated box body formed by welding steel plates, high-strength bolt holes are arranged at the positions of connecting dampers, and the damping box body platform is fixedly connected with a transverse damper, a lead rubber pad and a buoyancy tank platform through the high-strength bolts to form a damping platform.
Example 3:
as shown in fig. 6, 7 and 12, the lower truss structure is composed of 2-3 truss layered modules, wherein 5-6 basic truss units are connected to form a layered module monomer with a height of 30 m; the layered connection component of the truss with the lower structure comprises a hydraulic fixer, a C-shaped sleeve 1, a C-shaped sleeve 2, a rubber gasket, an FRP (fiber reinforced plastic) concrete inner pipe with a conical head and a high-strength bolt, wherein the C-shaped sleeve 1 and the C-shaped sleeve 2 are respectively welded and fixed at two ends of a stand column of the truss with the upper layer and the lower layer, the hydraulic fixer is arranged on the side wall of the stand column of the truss with the upper layer, the FRP inner pipe with the conical head is welded at the bottom, and the rubber gasket is arranged at the top of the stand column of the truss with the lower layer.
The construction method in the embodiment comprises the following steps:
firstly, sleeving an FRP concrete truss and an FRP concrete upright column prefabricated in a factory into an annular damper, butting an integral FRP multi-plane node, connecting and fixing the integral FRP multi-plane node through a high-strength bolt to form a unit truss structure, and taking a tower structure formed by 5-6 unit trusses as a single-layer module in truss layering; then welding a C-shaped sleeve 2 at the upper end of the single-layer module upright column, and placing a rubber gasket into the C-shaped sleeve 2; the lower end of a single-layer module upright post is welded with a C-shaped sleeve 1, a hydraulic fixer is fixed on the side wall of the upright post through a high-strength bolt, the truss structures of the upper-layer module and the lower-layer module are connected in an inner pipe nested mode and compacted by the hydraulic fixer, and then the upper-layer module and the lower-layer module are connected and fixed through a longitudinal high-strength bolt.
Example 4:
as shown in fig. 8 and 9, the substructure-foundation connection part is composed of a square independent foundation with a connection sleeve, a tension bar connection ring and a plurality of bundles of tension bars, connectors at the ends of the bundles of tension bars are connected with the connection sleeve of the independent foundation, tension is provided by the tension bars, and the lower truss structure and the buoyancy tank platform reach a balanced state.
The construction method in the embodiment comprises the following steps:
a connecting ring with tension ribs is formed at the lower end surface of the upright post of the bottom module in the lower structure layer, and then concrete is poured into the inner pipe until the inner pipe is filled; when the underwater robot works underwater, the high-strength bolts on the connecting lugs are screwed down through the underwater robot after the connectors of the lower ends of the bottom layer modules extending out of the multiple beams of tension ribs are connected with the 4 connecting sleeves of the square independent foundation.
Example 5:
fig. 14 is an overall schematic diagram of a suspended FRP combined guyed tower platform structure, which includes an upper structural part and a lower truss structural part.
The construction method in the embodiment comprises the following steps:
and excavating the oil extraction site to a corresponding depth, leveling, placing a template and pouring a square independent foundation, wherein the upper part of the square independent foundation is provided with a steel foundation plate with a connecting sleeve. After the foundation is formed, the truss layered module monomers prefabricated in a factory are sequentially arranged and assembled under water, the lower column leg connecting port of the buoyancy tank platform is in butt joint with the top module inner pipe of the lower structure, and the truss layered module monomers are connected and welded and fixed through high-strength bolts on the connecting lugs. Injecting a certain amount of water into the buoyancy tank platform to enable the platform to sink to a set height, pulling the platform structure to a specified position by adopting a barge, connecting and fixing tension rib connectors of a plurality of bundles of tension ribs extending out of tension rib connecting rings at the bottom of a bottom layer module with 4 connecting sleeves of a square independent foundation, and screwing high-strength bolts on connecting lugs by an underwater robot; and simultaneously, water in the buoyancy tank platform is gradually discharged, and the platform floats upwards to a state that the tension ribs are tightened. And finally, tying a mooring rope at the joint of the mooring rope, and placing a mooring weight block at the lower end of the mooring rope at a designed position to fix the tower structure.
In conclusion, the FRP concrete structure is applied to the field of offshore platforms, the corrosion resistance of the platform structure is greatly improved by the FRP layer, the later maintenance cost of the member is reduced, and the service life of the structure is prolonged; the steel pipe layer restricts the deformation of the inner concrete layer and fully plays the role of the strength of the concrete; the concrete layer in the member improves the integral rigidity of the structure and reduces the deformation of the lower truss structure under the action of underwater load. Through setting up the annular damper, the deformation performance of truss brace, stand under the effect of load has obtained improving, simultaneously, has improved the durability that the member used, and the ability of structure energy dissipation shock attenuation has obtained the promotion on the whole. The connecting mode of the suspension FRP combined guyed tower type damping platform structure system is characterized in that the columns and the trusses are connected by integral nodes prefabricated in a factory, and the construction process of the guyed tower type damping platform structure system is simplified through the modes of inner pipe nested connection and high-strength bolt connection and fixation; the joint resists shearing force through the inner pipe, and the high-strength bolt resists pulling force, so that the requirements on strength and deformation of the structure are met; when in offshore site construction, the lower structure is only needed to be spliced and butted according to the layered modules, the screws are screwed down by using the underwater robot, and the construction process of sequential butting is simple, short in time consumption and free of pollution; the lower truss structure can protect a drilling oil pipe underwater, and the guarantee of crude oil delivery is improved; when the platform needs to be dismantled, only need the layering to dismantle according to the module and carry away, shift to other destinations after, treat the basis pour shaping after alright direct mount, the platform structure can be dismantled at any time and assemble at any time, play a reuse, reduce cost's effect. According to the invention, a novel damping platform is adopted, and the damping box body is separated from the buoyancy tank platform and the lower truss structure by the rubber cushion layer and the transverse damper, so that the self vibration effect of the platform in stormy waves is reduced, and the stability of the drilling platform and the comfort of workers in the working process are ensured. The invention adopts the buoyancy tank platform and the tension bars to replace part of the truss, so that the construction cost can not be greatly improved along with the depth when the device works in deep sea, and the working platform is not limited by the depth of the sea.
Claims (10)
1. The utility model provides a tower shock attenuation platform of floated FRP concrete combination guy rope which characterized in that: the composite steel plate frame comprises an upper platform structure, a plurality of upper layer module single bodies (35), a layered module connecting component (36), a plurality of lower layer module single bodies (37) and an independent square foundation (10), wherein the plurality of upper layer module single bodies (35) and the plurality of lower layer module single bodies (37) are assembled into an upper layer structure and a lower layer structure of a rigid connection system respectively through integral nodes (18), ring-type dampers (8), FRP concrete combined columns (31), FRP concrete combined inclined struts (34) and FRP concrete combined truss struts (19), and the upper layer structure and the lower layer structure form an FRP concrete truss structure (7); the upper platform structure consists of a damping box body (13) and a buoyancy tank platform (3), and the damping box body and the buoyancy tank platform are connected through an FRP steel plate (12) and a lead core rubber cushion layer (1) to form a damping system; the upper platform structure is connected with the upper layer structure through a stiffening rib (4) and a column leg connecting port (40); the lower layer structure is connected with the independent square foundation (10) through the tension ribs (14) and the connecting sleeves (9).
2. The suspended FRP concrete combined guyed tower type damping platform as claimed in claim 1, wherein: the damping box body (13) is provided with a plurality of transverse dampers (2) on the outer wall, the transverse dampers (2) are uniformly distributed on the damping box body (13), and the damping box body (13) is provided with an FRP steel plate (12).
3. The suspended FRP concrete combined guyed tower type damping platform as claimed in claim 1, wherein: the integral type joint (18) comprises a vertical half pipe (30), an inclined half pipe (32) and a transverse half pipe (33), the top and the bottom of the vertical half pipe (30) are respectively connected with an inner pipe (25) through an annular damper (8), the outer wall of the inner pipe (25) is provided with a backing plate (27), the outer wall of the backing plate (27) is provided with a transverse high-strength bolt (28), the transverse high-strength bolt (28) is connected with an FRP concrete combined column (31), the inner pipe (25) is inserted into the FRP concrete combined column (31), and the end part of the FRP concrete combined column (31) is provided with a connecting lug (24); the side wall of the vertical half pipe (30) is provided with an oblique half pipe (32) and a transverse half pipe (33), and the oblique half pipe (32) and the transverse half pipe (33) are respectively connected with an FRP concrete combined diagonal brace (34) and an FRP concrete combined truss brace (19).
4. The suspended FRP concrete combined guyed tower type damping platform as claimed in claim 1, wherein: the layered connecting component (36) comprises a first C-shaped sleeve (21), a second C-shaped sleeve (16) and a hydraulic fixer (23), the first C-shaped sleeve (21) is connected with the second C-shaped sleeve (16) through the hydraulic fixer (23), the upper part of the first C-shaped sleeve (21) and the lower part of the second C-shaped sleeve (16) are respectively connected with the inner pipe (25) through a ring damper (8), a backing plate (27) is arranged on the outer wall of the inner pipe (25), a transverse high-strength bolt (28) is arranged on the outer wall of the backing plate (27), the transverse high-strength bolt (28) is connected with the FRP concrete combined column (31), the inner pipe (25) is inserted into the FRP concrete combined column (31), and a connecting lug (24) is arranged at the end part of the FRP combined column (31); an inclined half pipe (32) and a transverse half pipe (33) are arranged on the side wall of the C-shaped sleeve I (21), the inclined half pipe (32) and the transverse half pipe (33) are respectively connected with an FRP concrete combined diagonal brace (34) and an FRP concrete combined truss brace (19), and an FRP inner pipe (22) with a conical head is arranged at the bottom of the C-shaped sleeve I (21); the outer wall of the C-shaped sleeve II (16) is provided with an oblique half pipe (32) and a transverse half pipe (33), and the oblique half pipe (32) and the transverse half pipe (33) are respectively connected with an FRP concrete combined diagonal brace (34) and an FRP concrete combined truss (19).
5. The suspended FRP concrete combined guyed tower type damping platform as claimed in claim 1, wherein: understructure passes through tension muscle (14) and connecting sleeve (9) and is connected with independent square foundation (10), tension muscle (14) one end is passed through tension muscle go-between (15) and understructure and is connected, tension muscle (14) other end passes through tension muscle connector (44) and is connected with interior pole (43), interior pole (43) are embedded in connecting sleeve (9), connecting sleeve (9) are fixed in on independent square foundation (10), independent square foundation (10) are including concrete base (39) and steel sheet foundatin plate (38), concrete base (39) four circles of outer wall is equipped with steel sheet foundatin plate (38).
6. The suspended FRP concrete combined guyed tower type damping platform as claimed in claim 1, wherein: the floating box platform (3) comprises an FRP steel plate floating box (42), the upper part of the FRP steel plate floating box (42) is connected with an FRP steel plate (12) through a lead rubber cushion layer (1), a damping box body (13) is installed on the FRP steel plate (12), and a plurality of transverse dampers (2) are uniformly distributed on the side wall of the damping box body (13).
7. The suspended FRP concrete combined guyed tower type damping platform as claimed in claim 1, wherein: the FRP concrete combined upright post (31), the FRP concrete combined diagonal brace (34) and the FRP concrete combined truss (19) are respectively divided into three forms, wherein the forms comprise core concrete (46), a steel pipe (47) and an FRP pipe (48) from inside to outside in sequence, the forms comprise the core concrete (46), the steel pipe (47), sandwich concrete (49) and the FRP pipe (48) from inside to outside in sequence, and the forms comprise the steel pipe (47), the sandwich concrete (49) and the FRP pipe (48) from inside to outside in sequence.
8. A construction method of the suspended FRP concrete combined guy cable tower type damping platform according to claim 1, characterized by comprising the following steps: the construction method of the FRP concrete composite structure upright post (31) comprises the steps of wrapping a steel pipe (47) by using an outer-layer seamless winding type FRP pipe (48), fixing inner pipes with the radius being the radius of the inner wall of the steel pipe at the two ends of the steel pipe through transverse high-strength bolts, extending out to a designed length, sealing the end ports of the inner pipes at the lower part of the steel pipe, arranging a pouring opening at the top end of the inner pipe at the upper part, pouring self-compacting concrete into the FRP steel pipe, leveling the height of the concrete poured into the FRP steel pipe to the top of the inner pipe, and welding connecting lugs on the two end faces of the steel pipe after the concrete is formed; the FRP concrete combined truss (19) construction method comprises the steps of wrapping a steel pipe (47) by using an outer seamless winding type FRP pipe (48), extending out a designed length from the two ends of the steel pipe through an inner pipe with the radius of a transverse high-strength bolt being the radius of the inner wall of the steel pipe, sealing the end port of the inner pipe at one end of the steel pipe, arranging a pouring opening at the top end of the inner pipe at the other end of the steel pipe, pouring self-compacting concrete into the FRP steel pipe, leveling the height of the concrete poured into the FRP steel pipe with the top of the inner pipe, and welding connecting lugs on the two end faces of the steel pipe after the concrete is formed; the construction method of the integral node (18) comprises the steps of firstly designing a multi-plane node according to design requirements, wrapping the outer wall of the multi-plane node by an outer seamless winding type FRP pipe, reserving embedding spaces at the ends of a vertical half pipe, a horizontal half pipe and an oblique half pipe of a single node, sealing, welding connecting lugs on the end faces of the half pipes, and finally pouring self-compacting concrete into a pouring hole to fill the inner space of the multi-plane node.
9. A construction method of the suspended FRP concrete combined guy cable tower type damping platform according to claim 1, characterized by comprising the following steps: firstly, sleeving an FRP concrete truss and an FRP concrete upright column prefabricated in a factory into an annular damper, butting an integral FRP multi-plane node, connecting and fixing the integral FRP multi-plane node through a high-strength bolt, forming a basic truss unit structure, and forming a layered module monomer of a truss by using 5-6 basic truss units; then welding a C-shaped sleeve 2 at the upper end of each set single stand column of the layered module, and placing a rubber gasket into the C-shaped sleeve 2; welding a C-shaped sleeve 1 at the lower end of each single upright post of the set layered module, and installing and fixing a hydraulic fixer on the side wall of each upright post through a high-strength bolt; the upper end surface of the single column of the layering module at the top layer in the layering of the truss is provided with a bolt hole connecting lug and an inner tube with a designed length extending out, self-compacting concrete is poured into the inner tube, and the height of the concrete is equal to the top of the inner tube; a tension rib connecting ring is formed on the lower end surface of the upright post of the bottom layer module in the truss layering process, and a plurality of beams of tension ribs extend out; the construction method of the damping box body with the upper platform structure comprises the following steps of firstly welding FRP steel plates prefabricated in a factory into an integrated box body to form a buoyancy tank platform structure; welding a column leg connector at the lower part of the buoyancy tank platform according to design requirements; adopt prefabricated integral type steel sheet of mill and steel box to constitute the shock attenuation box structure, arrange lead core rubber cushion, horizontal damper between shock attenuation box and flotation tank platform to it is fixed through the bolted connection that excels in.
10. A construction method of the suspended FRP concrete combined guy cable tower type damping platform according to claim 1, characterized by comprising the following steps: firstly, excavating an oil extraction site to a corresponding depth, leveling, placing a template and pouring a square independent foundation, wherein a steel foundation plate with a connecting sleeve is arranged at the upper part of the square independent foundation; after the foundation is formed, arranging the truss layered module monomers prefabricated in a factory in sequence and assembling the truss layered module monomers under water, butting a lower column leg connector of a floating box platform with an inner tube of a top module of a lower structure, connecting and welding and fixing the upper column leg connector with high-strength bolts on connecting lugs, injecting a certain amount of water into the floating box platform to enable the platform to sink to a set height, pulling the platform structure to a specified position by adopting a barge, connecting and fixing tension rib connectors of a plurality of tension ribs extending out of a bottom tension rib connecting ring of a bottom module with 4 connecting sleeves of a square independent foundation, screwing the high-strength bolts on the connecting lugs by using an underwater robot, simultaneously gradually discharging the water in the floating box platform, and floating the platform to a tension rib tightening state; and finally, tying a mooring rope (6) at the mooring rope connection point (5), and placing a mooring weight block (11) at the lower end of the mooring rope (6) at a designed position to form a fixing effect on the tower structure.
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