CN114348196B - Assembled FRP concrete combined guy cable tower type lining foundation platform and construction method - Google Patents
Assembled FRP concrete combined guy cable tower type lining foundation platform and construction method Download PDFInfo
- Publication number
- CN114348196B CN114348196B CN202210040443.8A CN202210040443A CN114348196B CN 114348196 B CN114348196 B CN 114348196B CN 202210040443 A CN202210040443 A CN 202210040443A CN 114348196 B CN114348196 B CN 114348196B
- Authority
- CN
- China
- Prior art keywords
- frp
- concrete
- pipe
- foundation
- platform
- 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.)
- Expired - Fee Related
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
一种装配式FRP混凝土组合牵索塔式衬砌基础平台及其施工方法，涉及建筑设备技术领域，它包括上部平台结构、上层模块单体、分层模块连接构件、若干个下层模块单体和装配式新型基础，若干个上层模块单体和若干个下层模块单体分别通过整体式节点、环式阻尼器、FRP混凝土组合立柱、FRP混凝土组合斜撑以及FRP混凝土组合桁撑组装形成刚接体系的上层结构和下层结构；上部平台结构由减震箱体和FRP混凝土桁架平台构成，两者之间通过横向阻尼器相连接；上部平台结构通过加劲肋和柱腿连接口与上层结构连接；下层结构通过连接套筒与装配式新型基础连接。本装配式FRP混凝土组合牵索塔式衬砌基础平台及其施工方法施工简便、装配效率高、抗腐蚀性强、采用装配式、可重复利用。
A prefabricated FRP concrete combined pull cable tower type lining foundation platform and its construction method, which relates to the technical field of construction equipment. It includes an upper platform structure, an upper module unit, a layered module connecting component, several lower module units and assembly A new type of foundation. Several upper module units and several lower module units are assembled through integral nodes, annular dampers, FRP concrete composite columns, FRP concrete composite diagonal braces and FRP concrete composite trusses to form a rigidly connected system. Upper structure and lower structure; the upper platform structure is composed of a shock-absorbing box and an FRP concrete truss platform, which are connected through transverse dampers; the upper platform structure is connected to the upper structure through stiffeners and column leg connections; lower structure Connected to the new assembled foundation through a connecting sleeve. The prefabricated FRP concrete combined cable tower type lining foundation platform and its construction method are simple to construct, have high assembly efficiency, strong corrosion resistance, are prefabricated and can be reused.
Description
Technical Field
The invention relates to the technical field of building equipment, in particular to an assembled FRP concrete combined guyed tower type lining foundation platform and a construction method thereof.
Background
The guyed tower ocean platform uses a working water area of 240m to 1000m, belongs to a deepwater ocean platform, has a simple structure and relatively small component size compared with a jacket platform, and has stronger adaptability to various environmental loads. As the working application water area is mostly deep sea, the environment is worse, and the platform components have strict requirements on strength, rigidity, stability and corrosion resistance, the guyed tower ocean platform has the characteristics of high manufacturing cost, great difficulty in design, construction and installation technology and the like. Under the current large background of long-term surplus deep water drilling resources, the high manufacturing cost and construction cost make the platform not applied in a large scale.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an assembled FRP concrete combined guyed tower type lining foundation platform and a construction method, wherein the platform is simple and convenient to construct, high in assembly efficiency and high in corrosion resistance, and an assembled and reusable lining foundation is adopted.
In order to solve the problems existing in the background technology, the invention adopts the following technical scheme: the FRP concrete truss structure comprises an upper platform structure, a plurality of upper module monomers, layered module connecting members, a plurality of lower module monomers and an assembled foundation, wherein the upper module monomers and the lower module monomers are assembled to form an upper structure and a lower structure of a rigid connection system through integral nodes, ring-type dampers, FRP concrete combined upright posts, FRP concrete combined diagonal braces and FRP concrete combined truss supports respectively; the upper platform structure consists of a damping box body and an FRP concrete truss platform, which are connected through a lead rubber cushion layer to form a damping system; the upper platform structure is connected with the upper structure through stiffening ribs and column leg connectors; the lower layer structure is connected with the assembled foundation through the connecting sleeve.
The damping platform comprises a damping box body, a plurality of transverse dampers are arranged on the outer wall of the damping box body, the transverse dampers are uniformly distributed on the damping box body, and FRP steel plates are arranged on the damping box body.
The integral type node comprises a vertical half pipe, an inclined half pipe and a horizontal half pipe, wherein the top and the bottom of the vertical half pipe are respectively connected with an inner pipe through a ring-type damper, a base plate is arranged on the outer wall of the inner pipe, a high-strength bolt is arranged on the outer wall of the base plate and connected with an FRP concrete combined upright column, the inner pipe is inserted into the FRP concrete combined upright column, and a connecting lug is arranged at the end part of the FRP concrete combined upright column; the side wall of the vertical half pipe is provided with an inclined half pipe and a transverse half pipe, and the inclined half pipe and the transverse half pipe are respectively connected with the FRP concrete combined diagonal bracing and the FRP concrete combined truss bracing.
The layered module connecting component comprises a first C-shaped sleeve, a second C-shaped sleeve and a hydraulic fixer, wherein 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 an inner pipe through a ring-type damper, 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, the high-strength bolt is connected with an FRP concrete combined upright column, the inner pipe is inserted into the FRP concrete combined upright column, and a connecting lug is arranged at the end part of the FRP concrete combined upright column; the side wall of the C-shaped sleeve is provided with an inclined half pipe and a transverse half pipe, the inclined half pipe and the transverse half pipe are respectively connected with an FRP concrete combined diagonal bracing and an FRP concrete combined truss bracing, and the bottom of the C-shaped sleeve is provided with an FRP inner pipe with a conical head; the second C-shaped sleeve is internally provided with a rubber cushion layer, the outer wall of the second C-shaped sleeve is provided with an inclined half pipe and a transverse half pipe, and the inclined half pipe and the transverse half pipe are respectively connected with the FRP concrete combined diagonal bracing and the FRP concrete combined truss.
The lower structure-foundation connecting member comprises a connecting sleeve, the FRP inner pipe with the conical head arranged at the bottom of the lower structure is inserted into the connecting sleeve, the connecting sleeve is fixed on an assembled foundation, the assembled foundation comprises a foundation lining shell, a foundation steel plate and concrete foundation end plates, the number of the concrete foundation end plates is two, a foundation lining shell is arranged between the two concrete foundation end plates, a plurality of positioning rings are uniformly distributed on the foundation lining shell, a foundation steel plate is covered on the foundation lining shell, the end part of the foundation steel plate is connected with the positioning rings in a matched manner, and a hydraulic fixer is penetrated between the foundation steel plate and the positioning rings.
The FRP concrete truss platform comprises a plurality of FRP concrete combined trusses, a plurality of column leg connecting ports, platform columns and platform trusses, wherein the platform trusses are arranged on the platform columns in a staggered mode, the column leg connecting ports are provided with platform trusses and junction parts, the column leg connecting ports are connected with the FRP concrete combined columns, and stiffening ribs are arranged at the column leg connecting ports.
The FRP concrete combined upright post, the FRP concrete combined diagonal bracing and the FRP concrete combined truss brace are respectively divided into three forms, wherein the first form is core concrete, steel pipes and FRP pipes sequentially from inside to outside, the second form is core concrete, steel pipes, interlayer concrete and FRP pipes sequentially from inside to outside, and the third form is steel pipes, interlayer concrete and FRP pipes sequentially from inside to outside.
The construction method of the FRP concrete combined upright post comprises the steps of wrapping a steel pipe with an outer seamless winding type FRP pipe, fixing inner pipes with the radius equal to the radius of the inner wall of the steel pipe at two ends of the steel pipe through transverse high-strength bolts, extending out of the designed length, sealing the 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 of the steel pipe, pouring self-compacting concrete into the FRP steel pipe, leveling the height of the poured concrete in the FRP steel pipe with the top of the inner pipe, and welding connecting lugs at two end surfaces of the steel pipe after the concrete is formed; according to the FRP concrete combined truss construction method, firstly, a steel pipe is wrapped by an outer seamless winding type FRP pipe, then inner pipes with the radius of the transverse high-strength bolts being the radius of the inner wall of the steel pipe extend out of the designed length, the port of the inner pipe at one end of the steel pipe is sealed, the top end of the inner pipe at the other end of the steel pipe is provided with a pouring port, self-compacting concrete is poured into the FRP steel pipe, the height of the poured concrete in the FRP steel pipe is level with the top of the inner pipe, and after the concrete is formed, connecting lugs are welded at the two end surfaces of the steel pipe; according to the construction method of the integral type node, firstly, a multi-plane node is designed according to design requirements, an outer layer seamless winding type FRP pipe is used for wrapping the outer wall of the multi-plane node, embedded spaces are reserved and sealed at the ends of a vertical half pipe, a horizontal half pipe and an inclined half pipe of a single node, connecting lugs are welded at the end faces of the half pipes, and finally, self-compacting concrete is poured into pouring holes to fill the inner space of the multi-plane node.
According to the construction method of the lower structure, firstly, a factory prefabricated FRP concrete truss and an FRP concrete upright post are sleeved into a ring-type damper, and are connected and fixed through high-strength bolts to form a basic truss unit structure, and 5-6 basic truss units form layered module monomers of a truss; then welding a second C-shaped sleeve at the upper end of each set layering module single upright post, and placing a rubber gasket into the second C-shaped sleeve; c-shaped sleeves I are welded at the lower end of each set layering module single upright post, and a hydraulic fixer is installed and fixed on the side wall of each upright post through a high-strength bolt; the upper end face of a layered module single upright post of the top layer in truss layering forms a connecting lug with a bolt hole and an inner pipe with a projected design length, self-compacting concrete is poured into the inner pipe, and the height of the concrete is equal to the top of the inner pipe; forming a conical head inner pipe with a bolt hole connecting lug and a welding design length on the lower end surface of a single column of the layered module of the truss layered middle-bottom layer, and pouring self-compacting concrete into the inner pipe until the conical head inner pipe is filled; according to the superstructure construction method, firstly, a factory prefabricated FRP concrete truss and an FRP concrete upright post are sleeved into a ring-type damper, and are connected and fixed through high-strength bolts to form a truss platform structure; welding a column leg connecting port at the lower part of the truss platform according to the design requirement; a damping platform structure is formed by adopting a factory prefabricated integrated steel plate and a steel box body, and a lead rubber cushion layer and a transverse damper are arranged between the damping box body and a truss platform and are fixedly connected through high-strength bolts.
Firstly, a precast concrete positioning pile body is laid on an oil extraction site, a fishing type foundation rotary digging machine is adopted to excavate a foundation end plate pit body, a foundation framework is placed at a set position and a concrete foundation end plate is placed, a lining propeller is utilized to form a foundation lining shell, foundation in-situ soil is used as a foundation filling material, then a foundation steel plate is abutted to a positioning ring, a hydraulic type fixer is debugged, after the foundation is formed, a truss layering middle-lower module monomer is sunk at a set position, the lower end of the lower module monomer is abutted to 4 connecting sleeves of a lining foundation with cone head inner pipes, and then high-strength bolts on connecting lugs are screwed up through an underwater robot; then the layering modules are immersed into water in sequence, and the underwater robot is used for tightening high-strength bolts on the connecting lugs; when the layered module is assembled to an upper module monomer, a mooring rope is tied at a connecting point of the mooring rope at a designed position, and a mooring weight at the lower end of the mooring rope is placed at the designed position to form a fixing effect on the tower structure; and finally, lifting the upper structure, butting the column leg connecting ports at the lower part of the platform with the inner tubes of the upper module units of the lower structure, and connecting and welding and fixing the column leg connecting ports through high-strength bolts on the connecting lugs.
The invention has the following advantages:
1. according to the invention, the FRP concrete structure is applied to the field of offshore platforms, so that the corrosion resistance of the platform structure is greatly improved by the FRP layer, the later maintenance cost of the components is reduced, and the service life of the structure is prolonged; the steel pipe layer restrains the deformation of the inner layer concrete, and fully plays the role of the strength of the concrete; the concrete layer in the member improves the overall rigidity of the structure and reduces the deformation of the lower truss structure under the action of underwater load.
2. Through setting up annular attenuator, the deformation performance of truss brace, stand under the effect of loading has improved, simultaneously, has improved the durability that the member used, and the structure energy dissipation shock attenuation's ability has wholly obtained the promotion.
3. The connection mode of the assembled FRP combined guy cable tower platform structure system is characterized in that the integral node prefabricated by a factory is connected with the upright post and the truss support, and the construction process of the guy cable tower platform structure system is simplified by the mode of inner pipe nested connection and high-strength bolt connection and fixation; the connecting part resists shearing force through the inner tube, and the high-strength bolt resists tensile force, so that the requirements of strength and deformation of the structure are met; when the marine on-site construction is performed, only the lower structure is assembled and butted according to the layered modules, the underwater robot is used for screwing up screws, the construction process of the sequential butt joint is simple, the time consumption is short, and no pollution is caused; the lining foundation adopts the scheme of lining shell, foundation steel sheet, location pile body, can realize assembled construction, need not seabed leveling, make full use of normal position soil and fill the basis, practice thrift the cost, when the platform needs to dismantle, only need the layering to dismantle according to module, lining foundation and transport away, after transferring other destinations, alright direct mount, the platform structure can dismantle at any time and assemble, plays a reuse, reduce the effect of cost.
4. According to the novel damping platform, the novel damping platform is adopted, the damping box body, the truss platform and the lower truss structure are separated by the rubber cushion layer and the transverse damper, so that the vibration effect of the platform in stormy waves is reduced, and the stability of the drilling platform and the comfortableness of workers in the working process are ensured.
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 truss deck+rubber cushion of the present invention;
FIG. 3 is a bottom-top schematic view of the truss platform of the invention;
FIG. 4 is a schematic cross-sectional view of a vibration damping platform according to the present invention;
FIG. 5 is a schematic top view of the upper module monomer of the present invention;
FIG. 6 is a schematic diagram of a layered module monomer of the present invention;
FIG. 7 is a schematic diagram of a hierarchical module connection of the present invention;
FIG. 8 is a schematic view of a substructure-foundation connection of the present invention;
FIG. 9 is a schematic view of a composite truss connection of the present invention;
FIG. 10 is a schematic cross-sectional view of the FRP concrete structure of the invention;
FIG. 11 is a schematic view of the foundation construction of the present invention 1;
FIG. 12 is a schematic view of the foundation construction of the present invention 2;
FIG. 13 is a schematic view of the foundation construction of the present invention, FIG. 3;
FIG. 14 is a schematic overall view of the basis of the present invention;
FIG. 15 is an overall schematic of an assembled FRP guyed tower lining foundation platform of the present invention.
Reference numerals illustrate: 1 lead core rubber cushion layer, 2 transverse damper, 3 damping platform, 4 stiffening rib, 5, mooring rope connecting point, 6 mooring rope, 7 FRP concrete truss structure, 8 ring type damper, 9 connecting sleeve, 10 assembled foundation, 11 mooring weight, 12 FRP steel plate, 13 damping box body, 14 steel plate, 15 FRP concrete combined truss, 16C type sleeve two, 17 layered module monomer, 18 integral node, 19 FRP concrete combined truss support, 20 basic truss unit, 21C type sleeve one, 22 FRP tapered inner tube, 23 hydraulic anchor, 24 connecting lug, 25 inner tube, 26 bolt hole, 27 base plate, 28 transverse high strength bolt, 29 concrete positioning pile, 30 vertical half pipe 31 FRP concrete combined upright post, 32 oblique half pipe, 33 transverse half pipe, 34 FRP concrete combined diagonal bracing, 35 upper layer module monomer, 36 layered module connecting component, 37 lower layer module monomer, 38 foundation steel plate, 39 foundation lining shell, 40 column leg connecting port, 41 column leg connecting position, 42 truss upright post, 43 platform horizontal bracing, 44 FRP concrete truss platform, 46 core concrete, 47 steel pipe, 48 FRP pipe, 49 interlayer concrete, 50 hydraulic type fixer, 51 concrete foundation end plate, 52 positioning ring, 53 lining propeller, 54 concrete lining, 55 foundation framework, 56 foundation rotary digging machine suspension sling, 57 fishing type foundation rotary digging machine, 58 foundation end plate pit
Detailed Description
Referring to the drawings, the present invention specifically adopts the following embodiments: the FRP concrete truss structure comprises an upper platform structure, a plurality of upper module monomers 35, layered module connecting members 36, a plurality of lower module monomers 37 and an assembled foundation 10, wherein the upper module monomers 35 and the lower module monomers 37 are assembled to form an upper structure and a lower structure of a rigid connection system through integral nodes 18, ring-type dampers 8, FRP concrete combined upright posts 31, FRP concrete combined diagonal braces 34 and FRP concrete combined truss braces 19 respectively, and the upper structure and the lower structure form an FRP concrete truss structure 7 through the layered module connecting members 36; the upper platform structure is composed of a damping box body 13 and an FRP concrete truss platform 44, and the damping box body 13 and the FRP concrete truss platform 44 are connected through a lead rubber cushion layer 1 to form a damping system; the upper platform structure is connected with the upper structure through stiffening ribs 4 and column leg connecting ports 40; the substructure is connected to a fabricated foundation 10 by means of a connecting sleeve 9. The damping platform 3 comprises a damping box body 13, a plurality of transverse dampers 2 are arranged on the outer wall of the damping box body 13, the transverse dampers 2 are uniformly distributed on the damping box body 13, and FRP steel plates 12 are arranged on the damping box body 13. The integral type node 18 comprises a vertical half pipe 30, an inclined half pipe 32 and a transverse half pipe 33, wherein the top and the bottom of the vertical half pipe 30 are respectively connected with an 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 an FRP concrete combined upright 31, the inner pipe 25 is inserted into the FRP concrete combined upright 31, and a connecting lug 24 is arranged at the end part of the FRP concrete combined upright 31; the side wall of the vertical half pipe 30 is provided with an inclined half pipe 32 and a transverse half pipe 33, and the inclined half pipe 32 and the transverse half pipe 33 are respectively connected with an FRP concrete combined diagonal bracing 34 and an FRP concrete combined truss 19. The layered module connecting member 36 comprises a first C-shaped sleeve 21, a second C-shaped sleeve 16 and a hydraulic fixer 23, wherein 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 the 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 the FRP concrete combined upright 31, the inner pipe 25 is inserted into the FRP concrete combined upright 31, and the end part of the FRP concrete combined upright 31 is provided with a connecting lug 24; the side wall of the first C-shaped sleeve 21 is provided with an inclined half pipe 32 and a transverse half pipe 33, the inclined half pipe 32 and the transverse half pipe 33 are respectively connected with an FRP concrete combined diagonal bracing 34 and an FRP concrete combined truss bracing 19, and the bottom of the first C-shaped sleeve 21 is provided with an FRP inner pipe with a conical head 22; the outer wall of the second C-shaped sleeve 16 is provided with an inclined half pipe 32 and a transverse half pipe 33, and the inclined half pipe 32 and the transverse half pipe 33 are respectively connected with the FRP concrete combined diagonal bracing 34 and the FRP concrete combined truss 19. The FRP inner pipe 22 with the conical head that is equipped with in the lower floor structure bottom insert in the connecting sleeve 9, connecting sleeve 9 is fixed in on the assembled basis 10, assembled basis 10 includes basis lining shell 39, foundation steel sheet 38 and concrete foundation end plate 51, concrete foundation end plate 51 number is two, is equipped with basis lining shell 39 between two concrete foundation end plates 51, evenly distributed a plurality of holding ring 52 on the basis lining shell 39, foundation lining shell 39 upper cover has foundation steel sheet 38, the tip and the holding ring 52 cooperation of foundation steel sheet 38 are connected, pass fluid pressure type fixer 50 between foundation steel sheet 38 and the holding ring 52. The FRP concrete truss platform 44 comprises a plurality of FRP concrete combined trusses 15, a plurality of column leg connecting ports 40, truss upright posts 42 and platform transverse struts 43, wherein the platform transverse struts 43 are arranged on the truss upright posts 42 in a staggered mode, the column leg connecting ports 40 are provided with the intersection of the platform transverse struts 43, the column leg connecting ports 40 are connected with the FRP concrete combined upright posts 31, and stiffening ribs 4 are arranged at the column leg connecting ports 40. The FRP concrete combined upright post 31, the FRP concrete combined diagonal bracing 34 and the FRP concrete combined truss bracing 19 are respectively divided into three forms, wherein the first form is a core concrete 46, a steel pipe 47 and an FRP pipe 48 in sequence from inside to outside, the second form is a core concrete 46, a steel pipe 47, an interlayer concrete 49 and an FRP pipe 48 in sequence from inside to outside, and the third form is a steel pipe 47, an interlayer concrete 49 and an FRP pipe 48 in sequence from inside to outside. The construction method of the FRP concrete combined column 31 comprises the steps of wrapping a steel pipe 47 by using a wound FRP pipe 48 with a seamless outer layer, fixing inner pipes with the radius of the inner wall of the steel pipe at two ends of the steel pipe through transverse high-strength bolts, extending out of the designed length, sealing the ports of the inner pipes at the lower part of the steel pipe, forming 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 poured concrete in the FRP steel pipe with the top of the inner pipe, and welding connecting lugs at two end surfaces of the steel pipe after the concrete is formed; according to the construction method of the FRP concrete combined truss 19, firstly, a steel pipe 47 is wrapped by an outer seamless winding type FRP pipe 48, then two ends of the steel pipe extend out of an inner pipe with the radius of the inner wall of the steel pipe through transverse high-strength bolts, a port of the inner pipe at one end of the steel pipe is sealed, a pouring port is formed in the top end of the inner pipe at the other end of the steel pipe, self-compacting concrete is poured into the FRP steel pipe, the height of the poured concrete in the FRP steel pipe is level with the top of the inner pipe, and after the concrete is formed, connecting lugs are welded at two end surfaces of the steel pipe; according to the construction method of the integral type node 18, firstly, a multi-plane node is designed according to design requirements, the outer layer seamless winding type FRP pipe is used for wrapping the outer wall of the multi-plane node, the ends of the vertical half pipe, the transverse half pipe and the inclined half pipe of the single node are reserved with embedded spaces and sealed, the end faces of the half pipes are welded with connecting lugs, and finally, self-compacting concrete is poured into pouring holes to fill the inner space of the multi-plane node. According to the construction method of the lower structure, firstly, a factory prefabricated FRP concrete truss and an FRP concrete upright post are sleeved into a ring-type damper, and are connected and fixed through high-strength bolts to form a basic truss unit structure, and 5-6 basic truss units form layered module monomers of a truss; then welding a second C-shaped sleeve at the upper end of each set layering module single upright post, and placing a rubber gasket into the second C-shaped sleeve; c-shaped sleeves I are welded at the lower end of each set layering module single upright post, and a hydraulic fixer is installed and fixed on the side wall of each upright post through a high-strength bolt; the upper end face of a layered module single upright post of the top layer in truss layering forms a connecting lug with a bolt hole and an inner pipe with a projected design length, self-compacting concrete is poured into the inner pipe, and the height of the concrete is equal to the top of the inner pipe; forming a conical head inner pipe with a bolt hole connecting lug and a welding design length on the lower end surface of a single column of the layered module of the truss layered middle-bottom layer, and pouring self-compacting concrete into the inner pipe until the conical head inner pipe is filled; according to the superstructure construction method, firstly, a factory prefabricated FRP concrete truss and an FRP concrete upright post are sleeved into a ring-type damper, and are connected and fixed through high-strength bolts to form a truss platform structure; welding a column leg connecting port at the lower part of the truss platform according to the design requirement; a damping platform structure is formed by adopting a factory prefabricated integrated steel plate and a steel box body, and a lead rubber cushion layer and a transverse damper are arranged between the damping box body and a truss platform and are fixedly connected through high-strength bolts.
Firstly, a prefabricated concrete positioning pile 29 body is laid on an oil extraction site, a fishing type foundation rotary excavator 57 is adopted to excavate a foundation end plate pit 58 body, a foundation framework 55 is placed at a set position and a concrete foundation end plate 51 is placed, a lining propeller 53 is utilized to form a foundation lining shell 39, foundation in-situ soil is used as foundation filling material, then a foundation steel plate 38 is abutted against a positioning ring 52, a hydraulic type fixer 50 is debugged, after the foundation is formed, next, a lower module monomer in truss layering is sunk at a set position, the lower end of the lower module monomer is abutted against 4 connecting sleeves of a lining foundation with cone head inner pipes, and then high-strength bolts on the connecting lugs are screwed up through an underwater robot; then the layering modules are immersed into water in sequence, and the underwater robot is used for tightening high-strength bolts on the connecting lugs; when the layered module is assembled to an upper module monomer, mooring ropes 6 are tied at the designed position mooring rope connecting points 5, and a mooring weight 11 at the lower end of each mooring rope is placed at a designed position to form a fixing effect on the tower structure; and finally, lifting the upper structure, butting the column leg connecting ports at the lower part of the platform with the inner tubes of the upper module units of the lower structure, and connecting and welding and fixing the column leg connecting ports through high-strength bolts on the connecting lugs.
: the assembled FRP concrete combined guy rope tower type lining foundation platform structure system is composed of prefabricated FRP concrete combined upright posts, FRP concrete combined trusses and FRP integral multi-plane nodes, wherein the upper structure of the assembled FRP concrete combined guy rope tower type platform is a two-layer multi-row FRP concrete combined truss structure and a damping box body platform, and the lower structure part of the assembled FRP concrete combined guy rope tower type platform is a tower structure with a square section; the FRP concrete combined upright post and the FRP concrete combined truss support are provided with connecting lugs with bolt holes, and an end extension inner pipe penetrates through the ring-type damper and then is embedded into the node half pipe and is fixedly connected 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 face of the half pipe forms a connecting lug, the truss structure at the lower part of the connecting lug with a bolt hole is formed by a plurality of layered module monomers, the upper layer-lower layer module monomers are connected through truss layered module connecting members and are connected with a lining foundation by a longitudinal high-strength bolt, the lining foundation is formed by a lining foundation shell, a foundation steel plate and a positioning pile body, the lining foundation shell, the foundation steel plate and the positioning pile body are connected and fixed through a positioning ring and a hydraulic fixer, the seabed leveling and the additional filling of internal materials are not needed during construction, and in-situ soil is fully utilized to form a lining gravity foundation.
The FRP concrete composite structure forms in the scheme comprise and are not limited to the following modes: comprises an FRP pipe, a steel pipe and core concrete; the concrete consists of an FRP pipe, interlayer concrete, a steel pipe and core concrete; is composed of FRP pipe, sandwich concrete and steel pipe.
The half pipe of the integral node in the scheme reserves the space for nesting the inner pipe; the half pipe extension 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 half pipe of the single node.
In the scheme, the FRP steel tube concrete combination column combined with the ring type damper and the FRP steel tube concrete truss combined with the ring type damper are provided with prefabricated inner tubes at the ends of the FRP steel tube concrete combination column combined with the ring type damper, the inner tubes are fixed through transverse high-strength bolts on the side walls, the radius of the inner tubes is the radius of the inner wall of the FRP steel tube concrete combination column combined with the ring type damper and the FRP steel tube concrete truss combined with the ring type damper, and the inner tubes penetrate through the ring type damper and are embedded into the single-node half tubes and are fixedly connected through the high-strength bolts.
In the above scheme, the lower truss structure is formed by a plurality of truss layering modules, wherein 5-6 basic truss units are connected to form a layering module monomer with the height of 30 meters. The layered module monomer is easy to hoist and construct, and can be used for fast hoisting and butt-jointing and fixing the underwater structure during offshore assembly.
In the scheme, the connecting component of the truss layering module consists of a hydraulic fixer, a C-shaped sleeve 1, a C-shaped sleeve 2, a rubber gasket, an FRP concrete inner pipe with a conical head and high-strength bolts, 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 layer module and a lower layer module, the side wall of the stand column of the upper layer module is provided with the hydraulic fixer through the high-strength bolts, the bottom of the stand column extends out of the welded FRP inner pipe with the conical head, the rubber gasket is arranged at the top of the stand column of the lower layer truss, and the truss structure of the upper layer-lower layer module is compacted by the inner pipe in a nested manner and is fixed through the longitudinal high-strength bolts.
The upper structure-lower structure connecting part of the scheme comprises column leg connecting ports, stiffening ribs, connecting lugs and inner pipes, the radius of the inner pipes is the radius of the inner walls of the column leg connecting ports, the stiffening ribs are distributed in a cross shape along the outer walls of the column leg connecting ports, and the connecting parts are nested by the inner pipes and are fixedly connected through longitudinal high-strength bolts.
The upper structure part of the scheme comprises an FRP concrete truss structure platform and a damping box body platform, wherein the damping box body platform is arranged in the middle of the truss platform, is connected with a lead rubber pad through a transverse damper and is fixedly connected with the lead rubber pad through a high-strength bolt.
The lower structure-foundation connecting part in the scheme is composed of a lining gravity foundation with a connecting sleeve and an FRP concrete inner pipe with a conical head, column legs are connected in an inner pipe nesting mode and then are fixedly connected through a longitudinal high-strength bolt.
The construction method of the assembled FRP concrete combined guy cable tower type lining foundation platform structure comprises the following steps:
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 a winding type FRP pipe with a seamless outer layer, then arranging inner pipes with the radius of the inner wall of the steel pipe at two ends of the steel pipe, extending out of the designed length, and connecting and fixing the steel pipe by using a transverse high-strength bolt on the side wall of the steel pipe. Sealing the port of the inner pipe at the lower part of the steel pipe, forming a pouring port at the top end of the inner pipe at the upper part, pouring self-compacting concrete into the FRP steel pipe, leveling the poured concrete in the FRP steel pipe with the top of the inner pipe, and welding connecting lugs at the two end surfaces of the steel pipe after the concrete is formed; the construction method of the prefabricated truss of the FRP concrete combined 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 of the inner wall of the steel pipe at two ends of the steel pipe, extending out of the designed length, and connecting and fixing the inner pipes through transverse high-strength bolts on the side walls of the steel pipe. The port of the inner tube at one end of the steel tube is sealed, the top of the inner tube at the other end is provided with a pouring port, self-compacting concrete is poured into the FRP steel tube, the height of the poured concrete in the FRP steel tube is equal to the top of the inner tube, and after the concrete is formed, connecting lugs are welded at the two end surfaces of the steel tube.
The construction method of the prefabricated integral multi-plane node of the FRP concrete composite structure comprises the following steps: 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 FRP pipe, reserving embedded spaces at the ends of a vertical half pipe, a horizontal half pipe and an inclined half pipe of a single node, sealing, and welding connecting lugs at the end surfaces of the half pipes. And finally, pouring self-compacting concrete into the pouring holes until the inner space of the multi-plane node is filled.
The construction method of the upper structure of the assembled FRP combined guy cable tower platform structure comprises the following steps: firstly, sleeving an FRP concrete truss support and an FRP concrete upright post prefabricated in a factory into a ring-type damper, butting an FRP integral type multi-plane node, and connecting and fixing the FRP integral type multi-plane node through high-strength bolts to form a truss platform structure, wherein a column leg connecting port is welded at the lower part of the truss platform according to design requirements; the damping box body platform is welded into an integrated box body by a steel plate, high-strength bolt holes are arranged at the positions where the dampers are connected, and the damping box body platform is fixedly connected with the transverse dampers, the lead rubber pads and the truss platform through the high-strength bolts to form the damping platform.
The construction method of the assembled FRP combined guy cable tower type lining foundation platform structure system comprises the following steps: and (3) laying a precast concrete positioning pile body on an oil extraction site, excavating a pit body at the end part of a foundation by adopting a fishing foundation drilling machine, placing a foundation lining construction framework at a set position and placing a foundation end plate, forming a foundation lining shell by utilizing a lining propeller, taking foundation in-situ soil as a foundation filling material, butting a foundation steel plate with a positioning ring, and debugging a hydraulic fixer. After the foundation is formed, firstly sinking a lower layer module monomer in truss layering at a specified position, butting an inner pipe with a conical head at the lower end of the lower layer module monomer with 4 connecting sleeves of a lining foundation, and then screwing high-strength bolts on the connecting lugs by an underwater robot; sequentially immersing the layered modules into water, completely butting an inner pipe with a conical head at the lower end of the upper module with a C-shaped sleeve of the lower module, compacting the interface through a hydraulic fixer and screwing high-strength bolts on the connecting lugs by using an underwater robot; when the layered module is assembled to an upper module monomer, a mooring rope is tied at a design position, and a weight at the lower end of the mooring rope is placed at the design position to form a fixing effect on the tower structure; and finally, lifting the upper structure, butting the column leg connecting ports at the lower part of the platform with the inner tubes of the upper module units of the lower structure, and connecting and welding and fixing the column leg connecting ports through high-strength bolts on the connecting lugs.
Examples
As shown in fig. 9 and 10, the assembled FRP concrete combined guyed tower type lining foundation platform structure system is composed of prefabricated FRP concrete combined upright posts, FRP concrete combined truss supports and FRP integrated multi-plane nodes, wherein the integrated multi-plane nodes are composed of transverse half pipes, vertical half pipes and inclined half pipes which are intersected, connecting lugs are formed on the extending end surfaces, and bolt holes are formed in the connecting lugs; the FRP concrete combined upright post and the FRP concrete combined truss support are provided with connecting lugs with bolt holes, and an inner pipe extending from the end part penetrates through the ring-type damper and then is embedded into the node half pipe and is fixedly connected through high-strength bolts. As in fig. 2, the component nodes of the superstructure truss platform are all formed in combination in the manner described above.
The construction method in this embodiment is as follows:
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 using an outer seamless winding FRP pipe, reserving embedded 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 at the end faces of the half pipes. Finally, pouring concrete into the pouring holes to fill the inner 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 a wound FRP pipe with a seamless outer layer, then arranging inner pipes with the radius of the inner wall of the steel pipe at two ends of the steel pipe, extending out of the designed length, connecting and fixing the inner pipes through transverse high-strength bolts on the side wall of the steel pipe, sealing the port of the inner pipe at the lower part of the steel pipe, arranging a pouring port at the top end of the inner pipe at the upper part of the steel pipe, pouring self-compacting concrete into the FRP steel pipe, leveling the height of the poured concrete in the FRP steel pipe with the top of the inner pipe, and welding connecting lugs at two end surfaces of the steel pipe after the concrete is formed;
The construction method of the prefabricated truss support of the FRP concrete composite structure comprises the steps of wrapping a steel pipe with an outer seamless winding type FRP pipe, arranging inner pipes with the radius of the inner wall of the steel pipe at two ends of the steel pipe, extending out of the designed length, connecting and fixing the inner pipes through transverse high-strength bolts on the side walls of the steel pipe, sealing ports of the inner pipes at one end of the steel pipe, arranging pouring ports 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 poured concrete in the FRP steel pipe with the top of the inner pipes, and welding connecting lugs at two end surfaces of the steel pipe after the concrete is formed.
Examples
As shown in fig. 1, 2, 3, 4 and 5, the truss platform of the upper structure of the assembled FRP combined guyed tower type damping platform structure is formed by prefabricating FRP concrete truss struts, sleeving FRP concrete upright posts into ring type dampers, butting FRP integral type multi-plane nodes, and connecting and fixing the truss platform by high-strength bolts to form a truss platform structure; welding a column leg connecting port at the lower part of the truss platform according to the design requirement; the upper structure-lower structure connecting part consists of column leg connecting ports, stiffening ribs, connecting lugs and inner pipes, and is connected in an inner pipe nesting mode and then connected and fixed through longitudinal high-strength bolts; the damping box body structure of the upper structure is formed by welding steel plates into an integrated box body, high-strength bolt holes are arranged at the positions where the dampers are connected, and the damping box body platform is fixedly connected with the transverse dampers, the lead rubber pads and the truss platform through the high-strength bolts to form the damping platform.
Examples
As shown in fig. 6 and 7, the lower truss structure is formed by a plurality of truss layering modules, wherein 5-6 basic truss units are connected to form a layering module single body with the height of 30 meters; the lower structure truss layering module connecting member comprises a hydraulic fixer, a C-shaped sleeve 1, a C-shaped sleeve 2, a rubber gasket, an FRP concrete inner pipe with a conical head and high-strength bolts, wherein the C-shaped sleeve 1 and the C-shaped sleeve 2 are respectively welded and fixed at two ends of a vertical column of the upper truss layer and the lower truss layer, the hydraulic fixer is arranged on the side wall of the vertical column of the upper truss layer, the FRP inner pipe with the conical head is welded at the bottom of the vertical column of the upper truss layer, and the rubber gasket is arranged at the top of the vertical column of the lower truss layer.
The construction method in this embodiment is as follows:
firstly, sleeving an FRP concrete truss and an FRP concrete upright post prefabricated in a factory into a ring-type damper, butting an integral multi-plane joint of the FRP, connecting and fixing the integral multi-plane joint through high-strength bolts 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 post, and placing a rubber gasket into the C-shaped sleeve 2; c-shaped sleeves 1 are welded at the lower ends of single-layer module upright posts, hydraulic fixing devices are fixed on the side walls of the upright posts through high-strength bolts, truss structures of upper-lower-layer modules are connected in a nested mode through inner pipes and compacted through the hydraulic fixing devices, and then the truss structures are connected and fixed through longitudinal high-strength bolts.
Examples
As shown in fig. 11, 12, 13 and 14, the foundation is composed of a concrete lining shell, a foundation steel plate and a positioning pile body, the lower structure-foundation connecting part is composed of a lining foundation with a connecting sleeve and an FRP concrete inner pipe with a conical head, the inner pipes are connected in a nested manner, and the lower structure-foundation connecting part is fixedly connected through a longitudinal high-strength bolt.
The construction method in this embodiment is as follows:
firstly, a prefabricated positioning pile is driven at a set position, a pit body of a foundation end plate is excavated through a foundation rotary excavating machine, a lining construction framework and the foundation end plate are put down, a foundation lining shell with in-situ embedded depth is formed on the seabed through a lining propeller, a foundation steel plate is installed, a positioning ring is abutted, and the foundation lining shell is fixedly connected through a hydraulic fixer; forming a connecting lug with a bolt hole and an FRP inner pipe with a conical head by welding the designed length on the lower end surface of a single upright post of a lower layer module in the lower structure layering, and then pouring concrete into the inner pipe until the inner pipe with the conical head is filled; when the underwater module works, after the inner pipe with the conical head at the lower end of the lower module is in butt joint with 4 connecting sleeves of the lining foundation, high-strength bolts on the connecting lugs are screwed up through the underwater robot.
Examples
FIG. 15 is a schematic overall view of an assembled FRP composite guyed tower lining foundation platform structure comprising upper and lower truss structure sections and lining foundation sections.
The construction method in this embodiment is as follows:
and (3) laying a precast concrete positioning pile body on an oil extraction site, excavating a pit body at the end part of a foundation by adopting a fishing foundation drilling machine, placing a foundation lining construction framework at a set position and placing a foundation end plate, forming a foundation lining shell by utilizing a lining propeller, taking foundation in-situ soil as a foundation filling material, butting a foundation steel plate with a positioning ring, and debugging a hydraulic fixer. After the foundation is formed, firstly sinking a lower layer module monomer in truss layering at a specified position, butting an inner pipe with a conical head at the lower end of the lower layer module monomer with 4 connecting sleeves of a square independent foundation, and then screwing high-strength bolts on the connecting lugs through an underwater robot; sequentially immersing the layered modules into water, completely butting an inner pipe with a conical head at the lower end of the upper module with a C-shaped sleeve of the lower module, compacting the interface through a hydraulic fixer and screwing high-strength bolts on the connecting lugs by using an underwater robot; when the layered module is assembled to an upper module monomer, tying a mooring rope at a design position, and placing a weight at the lower end of the mooring rope at the design position to form a fixing effect on the tower structure; and finally, lifting the upper structure, butting the column leg connecting ports at the lower part of the platform with the inner tubes of the upper module units of the lower structure, and connecting and fixing the column leg connecting ports through high-strength bolts on the connecting lugs.
In summary, the FRP concrete structure is applied to the field of offshore platforms, and the FRP layer greatly improves the corrosion resistance of the platform structure, reduces the later maintenance cost of components and prolongs the service life of the structure; the steel pipe layer restrains the deformation of the inner layer concrete, and fully plays the role of the strength of the concrete; the concrete layer in the member improves the overall rigidity of the structure and reduces the deformation of the lower truss structure under the action of underwater load. Through setting up annular attenuator, the deformation performance of truss brace, stand under the effect of loading has improved, simultaneously, has improved the durability that the member used, and the structure energy dissipation shock attenuation's ability has wholly obtained the promotion. The connection mode of the assembled FRP combined guy cable tower platform structure system is characterized in that the integral node prefabricated by a factory is connected with the upright post and the truss support, and the construction process of the guy cable tower platform structure system is simplified by the mode of inner pipe nested connection and high-strength bolt connection and fixation; the connecting part resists shearing force through the inner tube, and the high-strength bolt resists tensile force, so that the requirements of strength and deformation of the structure are met; when the marine on-site construction is performed, only the lower structure is assembled and butted according to the layered modules, the underwater robot is used for screwing up screws, the construction process of the sequential butt joint is simple, the time consumption is short, and no pollution is caused; the lining foundation adopts the scheme of lining shell, foundation steel sheet, location pile body, can realize assembled construction, need not seabed leveling, make full use of normal position soil and fill the basis, practice thrift the cost, when the platform needs to dismantle, only need the layering to dismantle according to module, lining foundation and transport away, after transferring other destinations, alright direct mount, the platform structure can dismantle at any time and assemble, plays a reuse, reduce the effect of cost. According to the novel damping platform, the novel damping platform is adopted, the damping box body, the truss platform and the lower truss structure are separated by the rubber cushion layer and the transverse damper, so that the vibration effect of the platform in stormy waves is reduced, and the stability of the drilling platform and the comfortableness of workers in the working process are ensured.
Claims (6)
1. An assembled FRP concrete combination guy cable tower lining foundation platform which is characterized in that: the FRP concrete truss structure comprises an upper platform structure, a plurality of upper module monomers (35), layered module connecting members (36), a plurality of lower module monomers (37) and an assembled foundation (10), wherein the upper module monomers (35) and the lower module monomers (37) are assembled to form an upper structure and a lower structure of a rigid connection system through integral nodes (18), ring-type dampers (8), FRP concrete combined upright posts (31), FRP concrete combined diagonal braces (34) and FRP concrete combined truss braces (19), and the upper structure and the lower structure form an FRP concrete truss structure (7) through the layered module connecting members (36); the upper platform structure is composed of a damping platform (3) and an FRP concrete truss platform (44), and the damping platform and the FRP concrete truss platform are connected through a lead rubber cushion layer (1) to form a damping system; the upper platform structure is connected with the upper structure through stiffening ribs (4) and column leg connectors (40); the lower structure is connected with an assembled foundation (10) through a connecting sleeve (9); the integral type node (18) comprises a vertical half pipe (30), an inclined half pipe (32) and a transverse half pipe (33), wherein 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 base 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 base plate (27), 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 a connecting lug (24) is arranged at the end part of the FRP concrete combined column (31); the side wall of the vertical half pipe (30) is provided with an inclined half pipe (32) and a transverse half pipe (33), and the inclined half pipe (32) and the transverse half pipe (33) are respectively connected with an FRP concrete combined diagonal bracing (34) and an FRP concrete combined truss (19); the layered module connecting component (36) comprises a first C-shaped sleeve (21), a second C-shaped sleeve (16) and a hydraulic fixer (23), wherein 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-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 the FRP concrete combined upright (31), the inner pipe (25) is inserted into the FRP concrete combined upright (31), and a connecting lug (24) is arranged at the end part of the FRP concrete combined upright (31); the side wall of the C-shaped sleeve I (21) is provided with an inclined half pipe (32) and a transverse half pipe (33), the inclined half pipe (32) and the transverse half pipe (33) are respectively connected with an FRP concrete combined diagonal bracing (34) and an FRP concrete combined truss (19), and the bottom of the C-shaped sleeve I (21) is provided with an FRP cone head inner pipe (22); the outer wall of the C-shaped sleeve II (16) is provided with an inclined half pipe (32) and a transverse half pipe (33).
2. The fabricated FRP concrete composite guyed tower lining foundation platform of claim 1, wherein: the vibration damping platform (3) comprises a vibration damping box body (13), a plurality of transverse dampers (2) are arranged on the outer wall of the vibration damping box body (13), the transverse dampers (2) are uniformly distributed on the vibration damping box body (13), and FRP steel plates (12) are arranged on the vibration damping box body (13).
3. The fabricated FRP concrete composite guyed tower lining foundation platform of claim 1, wherein: FRP that the lower floor structure bottom was equipped with takes conical head inner tube (22) to insert in connecting sleeve (9), connecting sleeve (9) are fixed in on assembled basis (10), assembled basis (10) are including basis lining shell (39), foundation steel sheet (38) and concrete foundation end plate (51), concrete foundation end plate (51) number is two, be equipped with basis lining shell (39) between two concrete foundation end plates (51), evenly distributed a plurality of holding ring (52) on basis lining shell (39), foundation lining shell (39) upper cover has foundation steel sheet (38), the tip and the holding ring (52) cooperation of foundation steel sheet (38) are connected, pass fluid pressure type fixer (50) between foundation steel sheet (38) and the holding ring (52).
4. The fabricated FRP concrete composite guyed tower lining foundation platform of claim 1, wherein: FRP concrete truss platform (44) include a plurality of FRP concrete composite truss (15), a plurality of leg connector (40), truss stand (42) and platform stull (43), on truss stand (42) are located to the mutual crisscross of platform stull (43), leg connector (40) are equipped with platform stull (43) junction, leg connector (40) are connected with FRP concrete composite stand (31), leg connector (40) department is equipped with stiffening rib (4).
5. The fabricated FRP concrete composite guyed tower lining foundation platform of claim 1, wherein: the FRP concrete combined upright post (31), the FRP concrete combined diagonal bracing (34) and the FRP concrete combined truss brace (19) are respectively divided into three forms, wherein the first form is composed of core concrete (46), steel pipes (47) and FRP pipes (48) in sequence from inside to outside, the second form is composed of core concrete (46), steel pipes (47), interlayer concrete (49) and FRP pipes (48) in sequence from inside to outside, and the third form is composed of steel pipes (47), interlayer concrete (49) and FRP pipes (48) in sequence from inside to outside.
6. A method of constructing an assembled FRP concrete composite guyed tower lining foundation platform in accordance with claim 1, characterized by: the construction method of the FRP concrete combined column (31) comprises the steps of wrapping a steel pipe (47) by using an outer seamless winding type FRP pipe (48), fixing inner pipes with the radius equal to the radius of the inner wall of the steel pipe at two ends of the steel pipe through transverse high-strength bolts, extending out of the designed length, sealing ports of the inner pipes at the lower part of the steel pipe, arranging pouring ports at the top end of the inner pipes at the upper part, pouring self-compacting concrete into the FRP steel pipe, leveling the height of the poured concrete in the FRP steel pipe with the top of the inner pipes, and welding connecting lugs at two end surfaces of the steel pipe after the concrete is formed; according to the construction method of the FRP concrete combined truss (19), firstly, a steel pipe (47) is wrapped by an outer seamless winding type FRP pipe (48), then, the two ends of the steel pipe are extended out of an inner pipe with the radius of the inner wall of the steel pipe through transverse high-strength bolts, the port 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 port, self-compacting concrete is poured into the FRP steel pipe, the height of the poured concrete in the FRP steel pipe is equal to the top of the inner pipe, and after the concrete is formed, connecting lugs are welded at the two end surfaces of the steel pipe; according to the construction method of the integral node (18), firstly, a multi-plane node is designed according to design requirements, the outer layer seamless winding FRP pipe is used for wrapping the outer wall of the multi-plane node, the ends of the vertical half pipe, the horizontal half pipe and the inclined half pipe of the single node are reserved with embedded spaces and sealed, the end faces of the half pipes are welded with connecting lugs, and finally, self-compacting concrete is poured into pouring holes to fill the inner space of the multi-plane node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210040443.8A CN114348196B (en) | 2022-01-13 | 2022-01-13 | Assembled FRP concrete combined guy cable tower type lining foundation platform and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210040443.8A CN114348196B (en) | 2022-01-13 | 2022-01-13 | Assembled FRP concrete combined guy cable tower type lining foundation platform and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114348196A CN114348196A (en) | 2022-04-15 |
| CN114348196B true CN114348196B (en) | 2024-03-29 |
Family
ID=81109984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210040443.8A Expired - Fee Related CN114348196B (en) | 2022-01-13 | 2022-01-13 | Assembled FRP concrete combined guy cable tower type lining foundation platform and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114348196B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2540065A1 (en) * | 1983-02-01 | 1984-08-03 | Creusot Loire | Floating and ballasted structure, held in its place in the open sea |
| US4844659A (en) * | 1987-10-06 | 1989-07-04 | Conoco Inc. | Mooring apparatus and method of installation for deep water tension leg platform |
| US4875806A (en) * | 1987-03-20 | 1989-10-24 | Gotaverken Arendal Ab | Node intersection between columns and pontoon members at a tendon-moored platform |
| US6652192B1 (en) * | 2000-10-10 | 2003-11-25 | Cso Aker Maritime, Inc. | Heave suppressed offshore drilling and production platform and method of installation |
| US6869252B1 (en) * | 1999-12-28 | 2005-03-22 | Zentech, Inc. | Taut mooring system for jack-up type mobile offshore platforms |
| CN202063242U (en) * | 2011-03-07 | 2011-12-07 | 中船重工船舶设计研究中心有限公司 | Box type truss four-spar deep water platform system by using unsymmetrical soft cabins |
| CN102747781A (en) * | 2012-07-31 | 2012-10-24 | 东北石油大学 | Fiber reinforce plastic (FRP) combination structure frame where integral type node is adopted and construction method thereof |
| CN103967129A (en) * | 2014-05-23 | 2014-08-06 | 东北石油大学 | Combination column and combination beam frame with internally-arranged pipe high-strength concrete core columns and construction method thereof |
| CN104695627A (en) * | 2015-01-07 | 2015-06-10 | 南昌大学 | BP-FRP tube reinforced recycled concrete combination column and preparation method thereof |
| CN105460175A (en) * | 2015-11-17 | 2016-04-06 | 天津大学 | Single-column platform in type of sinking to bottom of shallow water |
| CN106948486A (en) * | 2017-03-12 | 2017-07-14 | 东北石油大学 | Steel tubes Combined concrete frame system and construction method |
| CN107035071A (en) * | 2017-04-28 | 2017-08-11 | 广东工业大学 | A kind of marine sand concrete core rubber concrete post |
| CN109649595A (en) * | 2019-01-04 | 2019-04-19 | 上海海洋大学 | Machinery for deepwater floating platform combines connecting node and construction method with welding |
| CN111691389A (en) * | 2020-07-03 | 2020-09-22 | 青岛理工大学 | Novel combined jacket ocean platform |
| CN111891306A (en) * | 2020-07-31 | 2020-11-06 | 深圳埃吉尔海洋科技有限公司 | Modular space truss structure tension leg type offshore floating platform |
-
2022
- 2022-01-13 CN CN202210040443.8A patent/CN114348196B/en not_active Expired - Fee Related
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2540065A1 (en) * | 1983-02-01 | 1984-08-03 | Creusot Loire | Floating and ballasted structure, held in its place in the open sea |
| US4875806A (en) * | 1987-03-20 | 1989-10-24 | Gotaverken Arendal Ab | Node intersection between columns and pontoon members at a tendon-moored platform |
| US4844659A (en) * | 1987-10-06 | 1989-07-04 | Conoco Inc. | Mooring apparatus and method of installation for deep water tension leg platform |
| US6869252B1 (en) * | 1999-12-28 | 2005-03-22 | Zentech, Inc. | Taut mooring system for jack-up type mobile offshore platforms |
| US6652192B1 (en) * | 2000-10-10 | 2003-11-25 | Cso Aker Maritime, Inc. | Heave suppressed offshore drilling and production platform and method of installation |
| CN202063242U (en) * | 2011-03-07 | 2011-12-07 | 中船重工船舶设计研究中心有限公司 | Box type truss four-spar deep water platform system by using unsymmetrical soft cabins |
| CN102747781A (en) * | 2012-07-31 | 2012-10-24 | 东北石油大学 | Fiber reinforce plastic (FRP) combination structure frame where integral type node is adopted and construction method thereof |
| CN103967129A (en) * | 2014-05-23 | 2014-08-06 | 东北石油大学 | Combination column and combination beam frame with internally-arranged pipe high-strength concrete core columns and construction method thereof |
| CN104695627A (en) * | 2015-01-07 | 2015-06-10 | 南昌大学 | BP-FRP tube reinforced recycled concrete combination column and preparation method thereof |
| CN105460175A (en) * | 2015-11-17 | 2016-04-06 | 天津大学 | Single-column platform in type of sinking to bottom of shallow water |
| CN106948486A (en) * | 2017-03-12 | 2017-07-14 | 东北石油大学 | Steel tubes Combined concrete frame system and construction method |
| CN107035071A (en) * | 2017-04-28 | 2017-08-11 | 广东工业大学 | A kind of marine sand concrete core rubber concrete post |
| CN109649595A (en) * | 2019-01-04 | 2019-04-19 | 上海海洋大学 | Machinery for deepwater floating platform combines connecting node and construction method with welding |
| CN111691389A (en) * | 2020-07-03 | 2020-09-22 | 青岛理工大学 | Novel combined jacket ocean platform |
| CN111891306A (en) * | 2020-07-31 | 2020-11-06 | 深圳埃吉尔海洋科技有限公司 | Modular space truss structure tension leg type offshore floating platform |
Non-Patent Citations (3)
| Title |
|---|
| 海洋钢结构平台模块化建造技术探究;刘毅;李建达;崔贵勇;;石油化工设计(第01期);第34-37页 * |
| 深海石油平台及其锚固基础形式评述;李飒;韩志强;王圣强;董艳秋;要明伦;;海洋工程(第02期);第147-154页 * |
| 自复位组合海洋平台抗冰减振及自复位性能分析;张纪刚;孙佳;;青岛理工大学学报(第02期);第15-24页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114348196A (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108643221B (en) | Offshore wind power assembled bearing platform foundation and construction method thereof | |
| CN110924307A (en) | Trestle construction method for bare rock geology | |
| CN103255752B (en) | Support the buoyant support fixed platform of offshore wind turbine, marine works | |
| CN107190635A (en) | Concrete-filled steel tube with dumbbell sections assembled pier and the connection structure and method with cushion cap | |
| CN113818476A (en) | Foundation component for offshore wind power generation and construction method thereof | |
| CN111441325A (en) | An offshore platform and method of making the same | |
| CN104805857A (en) | Detachable cyclic utilization bottomless steel jacket box and construction method thereof | |
| CN216689329U (en) | Drilling platform based on marine steel batter pile support pile basis | |
| CN117005995A (en) | Assembled type toughness defending jacket offshore wind turbine and manufacturing method thereof | |
| CN114855865A (en) | Tensioning type fan foundation anchored on rock-based seabed and arrangement method | |
| CN203429648U (en) | Large steel cylinder cofferdam structure | |
| CN117071628A (en) | An underwater tower crane foundation and its construction method | |
| CN114348179B (en) | Buoy moored offshore platform and construction method thereof | |
| CN114537604B (en) | Prefabricated FRP concrete composite cable tower anchor-pull foundation platform and its construction method | |
| CN110735394B (en) | Cable tower structure and construction method thereof | |
| CN210395407U (en) | Anchor rod gravity type offshore wind power foundation | |
| CN114313127B (en) | Assembled FRP concrete combined guy cable tower type damping platform group and construction method thereof | |
| CN114348194B (en) | Suspended FRP concrete combined pull cable tower type shock-absorbing platform and its construction method | |
| CN114348197B (en) | Assembled FRP concrete guy cable tower type small displacement platform group and construction method thereof | |
| CN212866048U (en) | Underground cylinder reinforced concrete combined outer wall structure | |
| CN212335996U (en) | Resistance to compression resistance to plucking variable diameter steel reinforcement cage club-footed pile | |
| CN112267476A (en) | Combined type inclined strut support pile | |
| CN114348192B (en) | Assembled FRP concrete guy cable tower type damping platform and construction method thereof | |
| CN114313126B (en) | Assembled FRP concrete combined guy cable tower platform system and construction method thereof | |
| CN217053439U (en) | Steel pipe composite pile for abrasive environment |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20240329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |