阅读说明：本技术 四周带连接法兰的厚壁玻璃钢波纹板及其拼接方法 (Thick-wall glass fiber reinforced plastic corrugated plate with connecting flanges on periphery and splicing method thereof ) 是由 杨天 耿振 刘丽平 杨成柱 于 2019-08-09 设计创作，主要内容包括：本发明提供了四周带连接法兰的厚壁玻璃钢波纹板及其拼接方法,属于玻璃钢波纹板拼接技术领域,包括玻璃钢波纹板结构、密封法兰连接结构及加强结构,该玻璃钢波纹板制作方便,结构简单,整体强度高,承载能力大,施工快捷,抗化学腐蚀能力强,使用寿命长,整体造价较低,维护成本低,更少的安全隐患。该玻璃钢波纹板适合工厂专业化批量性生产,可广泛应用于涵洞通道、拼接管道、旧桥修复、隧道加固、综合管廊等工程,是现有钢筋水泥结构及波纹钢板结构的理想替代品,并适合顶管施工以及盾构施工。(The invention provides a thick-wall glass fiber reinforced plastic corrugated plate with connecting flanges on the periphery and a splicing method thereof, belonging to the technical field of splicing of glass fiber reinforced plastic corrugated plates. The corrugated glass fiber reinforced plastic plate is suitable for factory professional mass production, can be widely applied to projects such as culvert passages, spliced pipelines, old bridge repair, tunnel reinforcement, comprehensive pipe galleries and the like, is an ideal substitute of the existing reinforced concrete structure and corrugated steel plate structure, and is suitable for pipe jacking construction and shield construction.)

1. The thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the splicing method thereof are characterized by comprising the following steps:

the glass fiber reinforced plastic corrugated plate structure (1) is made of glass fiber reinforced plastic materials and is a splicing main body structure;

the sealing flange connecting structure (2) is arranged at the peripheral connecting part of the glass fiber reinforced plastic corrugated plate structure (1);

and the reinforcing structure (3) is arranged at the joint of the glass fiber reinforced plastic corrugated plate structure (1) and the sealing flange connecting structure (2).

2. A thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange on the periphery and a splicing method thereof as claimed in claim 1, wherein the glass fiber reinforced plastic corrugated plate structure (1) is in the shape of a corrugated plate, is made of glass fiber reinforced plastic materials, and has a plate width of not less than 500mm, a plate length of not less than 1000mm, a plate thickness of not less than 8mm, a corrugation wave height of not less than 10mm and a wave pitch of not less than 30 mm.

3. The thick-walled glass fiber reinforced plastic corrugated plate with the connecting flange at the periphery and the splicing method thereof as claimed in claim 1, wherein the sealing flange connecting structure (2) comprises a connecting flange (21), a connecting hole (22), a sealing rubber gasket (23), a high-strength bolt (24), a connecting gasket (25) and a connecting nut (26); the connecting flanges (21) are arranged on the periphery of the glass fiber reinforced plastic corrugated plate structure (1) and are integrally manufactured with the glass fiber reinforced plastic corrugated plate structure (1); the thickness of the flange is not less than 8mm, the height of the single-side flange is not less than 30mm, a plurality of connecting holes (22) are formed in the flange, sealing rubber gaskets (23) with the thickness of not less than 1mm are arranged at all connecting seams, and a plurality of groups of high-strength bolts (24), connecting gaskets (25) and connecting nuts (26) are adopted for connection.

4. A sealing flange connection structure (2) according to claim 3, characterized in that, the sealing flange connection structure (2) can be an outer flange or an inner flange and an outer flange relative to the glass fiber reinforced plastic corrugated plate structure (1); can be a transverse flange or a longitudinal flange; for the connection structure of the two semicircular glass fiber reinforced plastic corrugated plates, two end flanges in the length direction of the connection structure adopt transverse flanges (211), and two semicircular circumferential port flanges adopt circumferential flanges (212) with semicircular rings.

5. The thick-walled glass fiber reinforced plastic corrugated plate with the connecting flange on the periphery and the splicing method thereof according to claim 1, wherein the reinforcing structure (3) is arranged at the joint between the glass fiber reinforced plastic corrugated plate structure (1) and the sealing flange connecting structure (2), is a triangular or square reinforcing rib plate or a reinforcing structure (31) which is thickened in a whole circle, and is integrally manufactured with the glass fiber reinforced plastic corrugated plate structure (1) and the connecting flange (21).

6. The thick-walled glass fiber reinforced plastic corrugated plate with the connecting flange at the periphery and the splicing method thereof as claimed in claim 1, wherein the main structural shape of the thick-walled glass fiber reinforced plastic corrugated plate with the connecting flange at the periphery can be a straight corrugated plate structure or an arc corrugated plate structure with a certain radian, and can be used for being spliced into a triangular structure, a square structure, a circular structure, a non-full-circle structure, an oval structure and other modeling structures which can be spliced; the size of the radian of the arc-shaped corrugated plate structure is designed according to parameters such as plate size, actual engineering size and the like.

7. A thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange on the periphery and a splicing method thereof as claimed in claim 1, further comprising the following steps:

(1) according to the field condition, foundation construction is made in advance according to the design requirement;

(2) transporting the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the accessories thereof to a construction site;

(3) placing a first plate according to construction requirements;

(4) a sealing rubber pad (23) is arranged on the connecting flange (21) of the first plate, and the sealing rubber pad (23) and the connecting flange (21) can be locally adhered and fixed by a small amount of adhesive for connection.

(5) Connecting the first layer of plate sheets: placing a second plate next to the first plate, aligning the flange connecting holes of the connecting plates, penetrating high-strength bolts (24) and performing primary connection by using connecting gaskets (25) and connecting nuts (26);

(6) connecting the second layer of plate sheets: a third plate is longitudinally arranged next to the first plate and the second plate of the first layer, a sealing rubber gasket (23) is arranged in the middle, joints are staggered, high-strength bolts (24) are continuously penetrated, and primary connection is carried out by using connecting gaskets (25) and connecting nuts (26);

(7) checking the connection condition, and tightening the connection nut (26) according to the specified torque after meeting the requirement;

(8) and continuing to connect the fourth plate, the Nth plate of the first layer and the Nth plate of the second layer until the whole thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery is installed and put into use.

Technical Field

The invention belongs to the technical field of splicing of glass fiber reinforced plastic corrugated plates, and particularly relates to a thick-wall glass fiber reinforced plastic corrugated plate with connecting flanges on the periphery and a splicing method thereof.

Background

Glass steel buckled plate belongs to novel building material, it has the application in the aspect of the building ceiling, nevertheless what this aspect was used is thin wall glass steel buckled plate, connected mode is mostly direct punching connection, intensity is lower, use the limitation is big, there is a ripple steel sheet structure by the steel sheet preparation on the existing market, can replace the cement structure and be used for the culvert passageway, the spliced pipeline, old bridge is restoreed, the tunnel reinforcement, engineering such as utility tunnel, adopt this ripple steel sheet structure though have great improvement than each item performance of cement structure, the cost has also reduced a lot, nevertheless because its anti chemical corrosion resistance is relatively poor, need anticorrosive treatment, and its corrosion protection has certain limitation, this engineering application under the restriction ripple steel sheet structure in certain complicated corrosive environment.

Disclosure of Invention

The invention aims to provide a thick-wall glass fiber reinforced plastic corrugated plate with connecting flanges on the periphery and a splicing method thereof, so as to solve the technical problems of long production period, high transportation cost, long construction period, short service life, more potential safety hazards and the like of the existing cement structure, solve the technical problems of relatively poor chemical corrosion resistance, limited corrosion resistance and the like of a corrugated steel plate structure, and further reduce the construction cost.

In order to achieve the purpose, the invention adopts the technical scheme that: the method for splicing the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery comprises the following steps:

the glass fiber reinforced plastic corrugated plate structure (1) is made of glass fiber reinforced plastic materials and is a splicing main body structure;

the sealing flange connecting structure (2) is arranged at the peripheral connecting part of the glass fiber reinforced plastic corrugated plate structure (1);

and the reinforcing structure (3) is arranged at the joint of the glass fiber reinforced plastic corrugated plate structure (1) and the sealing flange connecting structure (2).

The thick-wall corrugated glass fiber reinforced plastic plate with the connecting flanges on the periphery and the splicing method thereof are characterized in that the corrugated glass fiber reinforced plastic plate structure (1) is corrugated and made of glass fiber reinforced plastic materials, the width of a plate sheet is not less than 500mm, the length of the plate sheet is not less than 1000m, the thickness of the plate sheet is not less than 8mm, the wave height of corrugations is not less than 10mm, and the wave pitch is not less than 30 mm.

Further, the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the splicing method thereof are characterized in that the sealing flange connecting structure (2) comprises connecting flanges (21), connecting holes (22), sealing rubber gaskets (23), high-strength bolts (24), connecting gaskets (25) and connecting nuts (26); the connecting flanges (21) are arranged on the periphery of the glass fiber reinforced plastic corrugated plate structure (1) and are integrally manufactured with the glass fiber reinforced plastic corrugated plate structure (1); the thickness of the flange is not less than 8mm, the height of the single-side flange is not less than 30mm, a plurality of connecting holes (22) are formed in the flange, sealing rubber gaskets (23) with the thickness of not less than 1mm are arranged at all connecting seams, and a plurality of groups of high-strength bolts (24), connecting gaskets (25) and connecting nuts (26) are adopted for connection.

Furthermore, the sealing flange connecting structure (2) can adopt an outer flange or an inner flange and an outer flange as a flange connecting mode relative to the glass fiber reinforced plastic corrugated plate structure (1); can be a transverse flange or a longitudinal flange; for the connection structure of the two semicircular glass fiber reinforced plastic corrugated plates, two end flanges in the length direction of the connection structure adopt transverse flanges (211), and two semicircular circumferential port flanges adopt circumferential flanges (212) with semicircular rings.

Furthermore, the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flange on the periphery and the splicing method thereof are characterized in that the reinforcing structure (3) is arranged at the joint between the glass fiber reinforced plastic corrugated plate structure (1) and the sealing flange connecting structure (2), is a triangular or square reinforcing rib plate or a whole-circle thickened reinforcing structure (31) and is integrally manufactured with the glass fiber reinforced plastic corrugated plate structure (1) and the connecting flange (21).

Furthermore, the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the splicing method thereof are characterized in that the main structural shape of the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery can be a straight corrugated plate structure or an arc corrugated plate structure with a certain radian, and can be used for being spliced into a triangular structure, a square structure, a circular structure, a non-full-circle structure, an oval structure, other structures capable of being spliced and the like; the radian of the arc corrugated plate structure is designed according to parameters such as plate size, actual engineering size and the like.

Further, the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the splicing method thereof are characterized by further comprising the following steps:

(1) according to the field condition, foundation construction is made in advance according to the design requirement;

(2) transporting the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the accessories thereof to a construction site;

(3) placing a first plate according to construction requirements;

(4) a sealing rubber pad (23) is arranged on the connecting flange (21) of the first plate, and the sealing rubber pad (23) and the connecting flange (21) can be locally adhered and fixed by a small amount of adhesive for connection.

(5) Connecting the first layer of plate sheets: placing a second plate next to the first plate, aligning the flange connecting holes of the connecting plates, penetrating high-strength bolts (24) and performing primary connection by using connecting gaskets (25) and connecting nuts (26);

(6) connecting the second layer of plate sheets: a third plate is longitudinally arranged next to the first plate and the second plate of the first layer, a sealing rubber gasket (23) is arranged in the middle, joints are staggered, high-strength bolts (24) are continuously penetrated, and primary connection is carried out by using connecting gaskets (25) and connecting nuts (26);

(7) checking the connection condition, and tightening the connection nut (26) according to the specified torque after meeting the requirement;

(8) and continuing to connect the fourth plate, the Nth plate of the first layer and the Nth plate of the second layer until the whole thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery is installed and put into use.

The thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the splicing method thereof have the beneficial effects that:

(1) the method has the advantages of high standardization degree, easy guarantee of production quality, high production speed, no need of binding reinforcing steel bars and no need of maintenance period due to the adoption of a factory prefabrication mode.

(2) Has excellent chemical corrosion resistance. The glass fiber reinforced plastic corrugated plate buried underground is not irradiated by sunlight, has high chemical stability, can select corresponding glass fiber reinforced plastic materials according to the corrosion environment, can be suitable for various strong corrosion environments, and has the service life of more than 20mm of unsaturated resin glass fiber reinforced plastic composite materials which can reach more than hundreds of years, which is far incomparable with the existing reinforced concrete structural plate and corrugated steel plate structures.

(3) The whole weight is far lower than that of a reinforced concrete structure (about 1/10), and the glass fiber reinforced plastics have the specific gravity of only 1/3 to 1/4 of that of steel plates, so that the whole weight is only 40 percent or less of that of a corrugated steel plate structure with the same strength, and the transportation cost is low.

(4) The strength is high, the stability is good, the engineering anti-seismic grade is high, and due to the existence of the corrugations, the engineering compression deformation and the uneven settlement can be effectively resisted.

(5) The construction cost is low. The cost of each linear meter of the engineering channel is far lower than that of a reinforced concrete structural member with the same diameter or span, is lower than that of a hot-dip galvanized corrugated steel plate structure with the same strength by more than 20 percent, and has higher cost performance.

(6) The site operation is simple and fast, a large hoisting tool is not needed, the installation speed is fast, and the number of installation personnel needed on site is small.

(7) The method is suitable for pipe jacking construction and shield construction.

(8) The backfill requirements are basically equivalent to those of the corrugated steel plate structure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram 1 of a main body of a thick-wall corrugated glass fiber reinforced plastic plate with connecting flanges at four sides and a splicing method thereof according to an embodiment of the present invention.

Fig. 2 is a schematic diagram 2 of a thick-wall glass fiber reinforced plastic corrugated plate with a connecting flange on the periphery and a glass fiber reinforced plastic corrugated plate structure (1) of a splicing method thereof according to an embodiment of the present invention.

Fig. 3 is a schematic diagram 3 of a thick-wall glass fiber reinforced plastic corrugated plate with a connecting flange on the periphery and a sealing flange connecting structure (2) of a splicing method thereof according to an embodiment of the present invention.

Fig. 4 is a schematic diagram 4 of a reinforcing structure with a whole circle of thickness increased of a reinforcing structure (3) of a thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange on the periphery and a splicing method thereof provided by an embodiment of the invention.

Fig. 5 is a schematic diagram 5 illustrating a corrugated shape and waveform parameters of a thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange at the periphery according to an embodiment of the present invention and a splicing method thereof.

Fig. 6 is a schematic structural diagram 6 of a thick-wall corrugated glass fiber reinforced plastic plate with connecting flanges at four sides and a splicing method thereof according to an embodiment of the present invention.

Fig. 7 is a schematic structural connection diagram 7 of a thick-wall glass fiber reinforced plastic corrugated plate with connecting flanges on the periphery and a splicing method thereof according to an embodiment of the invention.

Fig. 8 is a schematic diagram 8 of a molding channel adopting a splicing structure of glass fiber reinforced plastic corrugated plates, in the thick-wall glass fiber reinforced plastic corrugated plates with connecting flanges at the periphery and the splicing method thereof provided by the embodiment of the invention.

Fig. 9 is a schematic top view of a splicing structure of a thick-wall glass fiber reinforced plastic corrugated plate with a connecting flange at the periphery and a splicing method thereof according to an embodiment of the present invention, and fig. 9 is a schematic top view.

Fig. 10 is a schematic diagram 10 of a side view of a splicing structure of a thick-wall glass fiber reinforced plastic corrugated plate with a connecting flange at the periphery and a splicing method thereof according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-glass fiber reinforced plastic corrugated plate structure; 2-sealing the flange connection structure; 3-a reinforcing structure; 11-outer layer of glass fibre reinforced plastic; 12-glass fibre reinforced plastic interlayer; 13-inner layer of glass fiber reinforced plastic; 21-a connecting flange; 22-connecting hole; 23-sealing the rubber gasket; 24-high strength bolts; 25-connecting a gasket; 26-a coupling nut; 31-a full circle of thickened reinforcing structure; 101-a first plate; 102-a second plate; 103-a third plate; 104-a fourth plate; 105-a first layer of an nth sheet; 106-a second layer of an nth sheet; 111-base; 112-side planar structure; 113-a top planar structure; 114-arc plate structure; 115-opening; 211-transverse flange; 212-circumferential flange.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange at the periphery and a splicing method thereof according to the present invention will now be described. The thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery comprises a glass fiber reinforced plastic corrugated plate structure (1), a sealing flange connecting structure (2) and a reinforcing structure (3); the glass fiber reinforced plastic corrugated plate structure (1) is a glass fiber reinforced plastic corrugated plate structure, and sealing flange connecting structures (2) are arranged on the periphery of the glass fiber reinforced plastic corrugated plate structure; the joint of the glass fiber reinforced plastic corrugated plate structure (1) and the sealing flange connecting structure (2) is provided with a triangular reinforcing rib.

Referring to fig. 2, a description will now be given of a glass fiber reinforced plastic corrugated plate structure (1) of the thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange at the periphery and the splicing method thereof according to the present invention. Glass steel corrugated plate structure (1) has included glass steel corrugated plate major structure, and this embodiment glass steel corrugated plate major structure has adopted glass steel outer layer (11), glass steel intermediate level (12), glass steel inlayer (13), can the manual production shaping, also can heat pressurization mechanized production shaping.

Referring to fig. 3, a sealing flange connection structure (2) of a thick-walled glass fiber reinforced plastic corrugated plate with a connection flange at the periphery and a splicing method thereof according to the present invention will now be described. The sealing flange connecting structure (2) comprises a connecting flange (21), a connecting hole (22), a sealing rubber gasket (23), a high-strength bolt (24), a connecting gasket (25) and a connecting nut (26); connecting flange (21) and glass steel corrugated plate structure (1) integrative preparation, its thickness is not less than 8mm, and the flange height is not less than 30mm, a plurality of connecting holes of ring flange equipartition all around (22), and joint seam department sets up thickness and is not less than 1 mm's sealed cushion (23) to adopt multiunit high strength bolt (24), connecting pad piece (25) and coupling nut (26) to connect.

Referring to fig. 4, a reinforced structure with a whole circle of thickness increased of the reinforced structure (3) of the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flange at the periphery and the splicing method thereof provided by the invention will be described. In the figure, the whole circle of thickened reinforcing structure (31) is manufactured integrally with the glass fiber reinforced plastic corrugated plate structure (1) and the sealing flange connecting structure (2), and the whole structure shows an integrated reinforcing structure gradually thickened from the glass fiber reinforced plastic corrugated plate structure (1) to the end flange.

Referring to fig. 5, the corrugated glass fiber reinforced plastic plate with a connecting flange at the periphery and the splicing method thereof according to the present invention will now be described with reference to the waveform parameters. In FIG. 5, t is the thickness of the corrugated glass reinforced plastic plate, which is not less than 8mm in the present embodiment; d is the wave height, and the wave height of the glass fiber reinforced plastic corrugated plate is not less than 10 mm; p is the wave pitch, and the wave pitch of the glass fiber reinforced plastic corrugated plate is not less than 30 mm; r is curvature radius, which can be selected according to design requirements.

Referring to fig. 6, a structure of a thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange at the periphery and a method for splicing the same according to the present invention will now be described. FIG. 6 shows an arc-shaped corrugated glass fiber reinforced plastic plate with a certain curvature, wherein the curvature is designed according to parameters such as plate size and actual engineering size, and can be used for splicing into a triangular structure, a square structure, a circular structure, a non-full-circle structure, an elliptical structure, other modeling structures which can be spliced, and the like.

Referring to fig. 7, the structural connection of the thick-walled glass fiber reinforced plastic corrugated plates with the connecting flanges at the periphery and the splicing method thereof according to the present invention will now be described. The first layer of plates comprises a first plate (101), a second plate (102), a first layer of Nth plates (105), and N glass fiber reinforced plastic corrugated plates are assumed to be arranged in the layer, so that the first layer of plates is formed; the second layer of plates comprise a third plate (103), a fourth plate (104), a second layer of N plates (106), and N glass fiber reinforced plastic corrugated plates are arranged in total on the layers, so that the second layer of plates are formed, wherein the seams of the second layer and the seams of the first layer are staggered; and a third layer and a fourth layer.

Referring to fig. 8, a molding channel of a splicing structure of glass fiber reinforced plastic corrugated plates with connecting flanges at the periphery and a splicing method thereof according to the present invention will now be described. Each layer of the glass fiber reinforced plastic corrugated plate channel comprises 10 splicing plates, wherein each splicing plate comprises 6 side plane structures (112), 2 top plane structures (113) and 2 arc-shaped plate structures (114), so that the glass fiber reinforced plastic corrugated plate channel is formed; the figure also includes a foundation (111) and an opening (115).

Referring to fig. 9 and 10 together, a description will now be given of a splicing structure of a thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange at the periphery and a semicircular glass fiber reinforced plastic corrugated plate according to the splicing method of the thick-walled glass fiber reinforced plastic corrugated plate provided by the invention. The main structure body is a full-circle pipeline formed by splicing two semicircular glass fiber reinforced plastic corrugated plates, and a top view is shown in figure 9, which mainly shows the connection between a transverse flange (211) in the length direction and a glass fiber reinforced plastic corrugated plate structure (1); fig. 10 is a side view, mainly showing the connection of the circumferential annular flange (212) to the corrugated glass fiber reinforced plastic plate structure (1). A plurality of connecting holes (22) are uniformly distributed on the transverse flange (211) and the circumferential flange (212), a sealing rubber gasket (23) is arranged in the middle of a joint, and the two semicircles are connected together by a high-strength bolt (24), a connecting gasket (25) and a connecting nut (26), so that an integral glass fiber reinforced plastic corrugated pipeline is formed.

The color of the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery can be determined by specific design; the thickness dimension of the parts not indicated is not less than 8 mm; the dimensions of the bolt and associated screw hole, as well as other unnoticed and non-primary dimensions, are determined by the particular design.

Referring to fig. 1 to 10 together, a thick-walled glass fiber reinforced plastic corrugated plate with a connecting flange at the periphery and a method for splicing the same according to embodiments of the present invention will now be described as follows:

(1) the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery adopts a factory standardized manufacturing mode;

(2) purchasing glass fiber reinforced plastic materials, bolts, rubber gaskets and the like according to specification requirements;

(3) the glass fiber reinforced plastic corrugated plate structure (1), the sealing flange connecting structure (2) and the reinforcing structure (3) can be manufactured manually, or can be formed in one step or multiple times by mechanical heating and pressurizing;

(4) processing the connecting hole 22 and carrying out factory trial assembly;

therefore, the production and manufacturing process of the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery in a factory is completed, and the splicing method for engineering site construction is described as follows:

(5) according to the field condition, foundation construction is made in advance according to the design requirement;

(6) transporting the thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the accessories thereof to a construction site;

(7) placing a first plate according to construction requirements;

(8) a sealing rubber pad (23) is arranged on the connecting flange (21) of the first plate, and the sealing rubber pad (23) and the connecting flange (21) can be locally adhered and fixed by a small amount of adhesive for connection.

(9) Connecting the first layer of plate sheets: placing a second plate next to the first plate, aligning the flange connecting holes of the connecting plates, penetrating high-strength bolts (24) and performing primary connection by using connecting gaskets (25) and connecting nuts (26);

(10) connecting the second layer of plate sheets: a third plate is longitudinally arranged next to the first plate and the second plate of the first layer, a sealing rubber gasket (23) is arranged in the middle, joints are staggered, high-strength bolts (24) are continuously penetrated, and primary connection is carried out by using connecting gaskets (25) and connecting nuts (26);

(11) checking the connection condition, and tightening the connection nut (26) according to the specified torque after meeting the requirement;

(12) and continuing to connect the fourth plate, the Nth plate of the first layer and the Nth plate of the second layer until the whole thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery is installed and put into use.

The thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the splicing method thereof have the beneficial effects that:

(1) the method has the advantages of high standardization degree, easy guarantee of production quality, high production speed, no need of binding reinforcing steel bars and no need of maintenance period due to the adoption of a factory prefabrication mode.

(2) Has excellent chemical corrosion resistance. The glass fiber reinforced plastic corrugated plate buried underground is not irradiated by sunlight, has high chemical stability, can select corresponding glass fiber reinforced plastic materials according to the corrosion environment, can be suitable for various strong corrosion environments, and has the service life of more than 20mm of unsaturated resin glass fiber reinforced plastic composite materials which can reach more than hundreds of years, which is far incomparable with the existing reinforced concrete structural plate and corrugated steel plate structures.

(3) The whole weight is far lower than that of a reinforced concrete structure (about 1/10), and the glass fiber reinforced plastics have the specific gravity of only 1/3 to 1/4 of that of steel plates, so that the whole weight is only 40 percent or less of that of a corrugated steel plate structure with the same strength, and the transportation cost is low.

(4) The strength is high, the stability is good, the engineering anti-seismic grade is high, and due to the existence of the corrugations, the engineering compression deformation and the uneven settlement can be effectively resisted.

(5) The construction cost is low, the construction cost of each linear meter of the engineering channel is far lower than that of a reinforced concrete structural member with the same diameter or the same span, the construction cost is lower than that of a hot-dip galvanized corrugated steel plate structure with the same strength by more than 20 percent, and the cost performance is higher.

(6) The site operation is simple and fast, a large hoisting tool is not needed, the installation speed is fast, and the number of installation personnel needed on site is small.

(7) The method is suitable for pipe jacking construction and shield construction.

(8) The backfill requirements are basically equivalent to those of the corrugated steel plate structure.

The thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges on the periphery and the splicing method thereof provided by the invention basically solve the technical problems of long production period, high transportation cost, long construction period, short service life, more potential safety hazards, high maintenance cost and the like of the existing reinforced concrete structure, and have more excellent chemical corrosion resistance and lower engineering cost compared with the existing corrugated steel plate structure channel. The thick-wall glass fiber reinforced plastic corrugated plate with the connecting flanges all around is suitable for factory professional mass production, can be widely applied to engineering such as culvert channels, spliced pipelines, old bridge repair, tunnel reinforcement, comprehensive pipe galleries and the like, is an ideal substitute for the existing reinforced concrete structure and corrugated steel plate structure, and is suitable for pipe jacking construction and shield construction.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "transverse," "longitudinal," "circumferential," and the like as used herein, are intended to refer to an orientation or positional relationship shown in the drawings, which is for convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must be constructed and operated in a particular orientation and therefore should not be considered limiting.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.