Fiber reinforced concrete pipeline lined with quick lattice mat

Abstract

The utility model discloses a lining quick lattice pad fiber reinforced concrete pipeline which comprises two concrete pipes, the inner sides of the concrete pipes are fixedly connected with quick lattice pad liners, the outer sides of the concrete pipes are fixedly connected with glass fiber winding pipes, and basalt fiber grids are fixedly embedded in the sides, close to the quick lattice pad liners, of the interiors of the concrete pipes. According to the utility model, the quick lattice pad is used as the lining, so that even if the concrete pipe is cracked, the lining of the quick lattice pad does not cause leakage of the pipeline; the basalt fiber grid is adopted as a reinforcing material, the phenomenon that load bearing is affected by corrosion caused by concrete cracking is avoided through the corrosion resistance of the basalt fiber grid, and even if the concrete pipe cracks, the performance of the pipe body is not affected at all; concrete pouring is adopted as a main body, the material cost is lower, when concrete pouring is carried out, the inner side can be supported by the quick lattice pad lining, the outer side can be supported by the glass fiber winding pipe, formwork supporting pouring is not needed, and pouring is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of water delivery and drainage pipelines, in particular to a fiber reinforced concrete pipeline lined with a speed mat. Background Art

[0002] Water supply and drainage pipelines are important channels for domestic water transportation and are the lifeline of cities. Common pipeline types have evolved from steel pipes, cast iron pipes, and prestressed reinforced concrete pipes to today's ductile iron pipes, prestressed steel cylinder concrete pipes, steel-wrapped steel cylinder concrete pressure pipes, polyethylene pipes, and glass fiber reinforced plastic sand-filled pipes. These new types of pipelines are widely used, but they have the following corresponding defects:

[0003] For example, steel pipes such as steel pipes, cast iron pipes, and ductile iron pipes are prone to rust, which affects their mechanical properties and has high material costs; prestressed reinforced concrete pipes and prestressed steel tube concrete pipes and other concrete-containing pipes are prone to concrete cracking under external influences such as internal water pressure, soil pressure, and uneven foundation settlement, which causes the bearing capacity of such pipes to decrease or even collapse; polyethylene pipes and glass fiber reinforced plastic sand-filled pipes are mainly made of relatively expensive new high-performance artificial materials, and the cost is too high.

[0004] Therefore, we propose a fiber reinforced concrete pipe lined with a speed mat to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a fiber reinforced concrete pipe lined with a speed mat to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fiber reinforced concrete pipe lined with a speed mat, comprising two concrete pipes, the inner side of the concrete pipe is fixedly connected to the speed mat lining, the outer side of the concrete pipe is fixedly connected to the glass fiber winding pipe, and the inner side of the concrete pipe close to the speed mat lining is fixedly embedded with a basalt fiber grid;

[0007] The outer side wall of the speed pad liner is evenly fixed with a plurality of anchor keys, and the plurality of anchor keys are fixedly embedded in the inner side wall of the concrete pipe.

[0008] Preferably, a concave portion is provided on the outer side of one end of the concrete pipe, the other end of the concrete pipe is fixedly connected to the flared portion, the outer wall of the concave portion is fixedly connected to the first epoxy coal tar layer, and the inner wall of the flared portion is fixedly connected to the second epoxy coal tar layer.

[0009] Preferably, the expanded portion on one of the concrete pipes is sleeved on the outside of the inner recessed portion on the other concrete pipe, and a cement mortar layer is filled between the expanded portion and the inner recessed portion.

[0010] Preferably, the speed pad lining is fixedly connected to an inclined tube portion at one end close to the inner recessed portion, and the free end of the inclined tube portion is fixedly connected to a necked portion, the diameter of the inclined tube portion close to the necked portion is smaller than the diameter of the other side, the outer diameter of the necked portion is consistent with the inner diameter of the speed pad lining, and the necked portion on one of the concrete pipes is sleeved on the inner side of the end of the speed pad lining of the other concrete pipe.

[0011] Preferably, the outer side wall of the inner recessed portion is fixedly connected to two sealing rings, and the inner side wall of the expanded portion is provided with two sealing grooves corresponding to the positions of the two sealing rings, and the two sealing rings are interference fit in the two sealing grooves.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model adopts a speed grid pad as an inner lining, so even if the concrete pipe is cracked, the speed grid pad lining will not cause leakage in the pipeline; basalt fiber grid is adopted as a reinforcing material, and the corrosion resistance of the basalt fiber grid can avoid the phenomenon that the concrete is rusted and affects the load-bearing when it is cracked, and even if the concrete pipe is cracked, it will not affect the performance of the pipe body at all; concrete casting is adopted as the main body, and the material cost is also lower. When pouring concrete, the speed grid pad lining can be used as support on the inside, and the glass fiber wrapped pipe can be used as support on the outside. There is no need to use a template to support the casting, and the casting is also more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the first embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the interconnected structure of two concretes in the first embodiment of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-section structure of the connection between two concrete pipes in the first and second embodiments of the utility model;

[0017] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0018] In the figure: 1. concrete pipe; 2. speed pad lining; 3. glass fiber wound pipe; 4. basalt fiber grid; 5. cement mortar layer; 11. inner concave portion; 12. flared portion; 13. first epoxy coal tar layer; 14. second epoxy coal tar layer; 15. sealing ring; 16. sealing groove; 21. anchor key; 22. inclined pipe portion; 23. contracted portion. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1:

[0021] See also Figure 1-3 The utility model provides a technical solution: a fiber reinforced concrete pipe lined with a speed mat, comprising two concrete pipes 1, a speed mat lining 2 fixedly connected to the inner side of the concrete pipe 1, a glass fiber winding pipe 3 fixedly connected to the outer side of the concrete pipe 1, and a basalt fiber grid 4 fixedly embedded on one side of the concrete pipe 1 close to the speed mat lining 2.

[0022] The speed pad lining 2 on the inside of the pipe body can ensure that the pipe body will not leak when the concrete cracks; the basalt fiber grid 4 is used as the reinforcing material, and the corrosion resistance of the basalt fiber grid 4 can avoid the phenomenon that the concrete cracks and causes rust to affect the load-bearing capacity; the outer wall of the speed pad lining 2 is evenly fixed with multiple anchor keys 21, and multiple anchor keys 21 are fixedly embedded in the inner wall of the concrete pipe 1; when pouring concrete, the speed pad lining 2 can be used as a support on the inside, and the glass fiber wrapped tube 3 can be used as a support on the outside. There is no need to use a formwork to support the pouring, and the pouring is more convenient.

[0023] Embodiment 2:

[0024] See also Figure 3-4 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. An inner recess 11 is provided on the outer side of one end of the concrete pipe 1, and the other end of the concrete pipe 1 is fixedly connected to the flared portion 12. The outer wall of the inner recess 11 is fixedly connected to the first epoxy coal tar layer 13, and the inner wall of the flared portion 12 is fixedly connected to the second epoxy coal tar layer 14. The epoxy coal tar provides good anti-corrosion performance to avoid corrosion at the connection.

[0025] The expanded portion 12 on one of the concrete pipes 1 is sleeved onto the outside of the inner recess 11 on the other concrete pipe 1 , and a cement mortar layer 5 is filled between the expanded portion 12 and the inner recess 11 . The cement mortar layer 5 is used to fix the two concrete pipes 1 .

[0026] One end of the speed pad liner 2 close to the inner recess 11 is fixedly connected to the inclined tube portion 22, and the free end of the inclined tube portion 22 is fixedly connected to the necking portion 23. The diameter of the inclined tube portion 22 close to the necking portion 23 is smaller than the diameter of the other side. The outer diameter of the necking portion 23 is consistent with the inner diameter of the speed pad liner 2. The necking portion 23 on one concrete pipe 1 is sleeved on the inner side of the end of the speed pad liner 2 of the other concrete pipe 1, so that the connection has better sealing performance.

[0027] Two sealing rings 15 are fixedly connected to the outer side wall of the inner concave portion 11 , and two sealing grooves 16 are formed on the inner side wall of the expanded portion 12 corresponding to the positions of the two sealing rings 15 . The two sealing rings 15 are interference-fitted in the two sealing grooves 16 .

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fiber reinforced concrete pipe lined with a sugmat, comprising two concrete pipes (1), characterized in that: The concrete pipe (1) is fixedly connected to a speed grid pad lining (2) on the inner side, the concrete pipe (1) is fixedly connected to a glass fiber winding pipe (3) on the outer side, and a basalt fiber grid (4) is fixedly embedded on the inner side of the concrete pipe (1) close to the speed grid pad lining (2); The outer side wall of the speed pad lining (2) is evenly fixed with a plurality of anchor keys (21), and the plurality of anchor keys (21) are fixedly embedded in the inner side wall of the concrete pipe (1).

2. The fiber reinforced concrete pipe lined with sugmat according to claim 1, characterized in that: An inner concave portion (11) is provided on the outer side of one end of the concrete pipe (1), and the other end of the concrete pipe (1) is fixedly connected to a flared portion (12). The outer wall of the inner concave portion (11) is fixedly connected to a first epoxy coal tar layer (13), and the inner wall of the flared portion (12) is fixedly connected to a second epoxy coal tar layer (14).

3. The fiber reinforced concrete pipe lined with sugmat according to claim 2, characterized in that: The expanded portion (12) on one of the concrete pipes (1) is sleeved onto the outside of the inner recess (11) on the other concrete pipe (1), and a cement mortar layer (5) is filled between the expanded portion (12) and the inner recess (11).

4. The fiber reinforced concrete pipe lined with sugmat according to claim 3, characterized in that: The end of the speed pad liner (2) close to the inner recess (11) is fixedly connected to the inclined tube portion (22), and the free end of the inclined tube portion (22) is fixedly connected to the necking portion (23). The diameter of one side of the inclined tube portion (22) close to the necking portion (23) is smaller than the diameter of the other side. The outer diameter of the necking portion (23) is consistent with the inner diameter of the speed pad liner (2). The necking portion (23) on one of the concrete pipes (1) is sleeved on the inner side of the end of the speed pad liner (2) of the other concrete pipe (1).

5. The fiber reinforced concrete pipe lined with sugmat according to claim 2, characterized in that: The outer side wall of the inner recessed portion (11) is fixedly connected to two sealing rings (15), and the inner side wall of the expanded portion (12) is provided with two sealing grooves (16) corresponding to the positions of the two sealing rings (15), and the two sealing rings (15) are interference-fitted in the two sealing grooves (16).

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