Prestressed hybrid fiber concrete pipe

Abstract

The utility model discloses a prestress hybrid fiber concrete pipe which comprises a concrete pipe body, and the concrete pipe body is composed of a concrete pipe body and a concrete pipe connecting end portion which are integrally formed. The steel reinforcement cage is formed by combining prestressed steel bars arranged in the concrete pipe body and steel reinforcement hoops arranged on the outer sides of the prestressed steel bars in a sleeving mode, a steel cylinder used for reinforcing is connected to the inner side of the concrete pipe body in an inserted mode, and the outer diameter size of the steel cylinder is equal to the inner diameter size of the concrete pipe body. The outer side of the connecting end of the concrete pipe body and the concrete pipe is wrapped with a mortar protection layer. According to the prestressed hybrid fiber concrete pipe, after the prestressed steel bars and the steel bar hoops are combined to form the steel bar cage, the hybrid fiber concrete is poured, the excellent durability is achieved, the mounting grooves are formed in the connecting ends of the concrete pipe, and the outer surface of the pipe is coated with the epoxy coal pitch coating; and the insulating property, the water permeability resistance and the temperature difference resistance can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete pipe related technical field, concretely is a kind of prestressed hybrid fiber concrete pipe. BACKGROUND

[0002] Concrete pipe is also called cement pipe, which is made of cement, sand, gravel and other raw materials through mixing, mold forming and curing process, and is widely used in conveying water, oil, gas and other fluids. The prestressed hybrid fiber concrete pipe is a new type of composite pipe combining prestressed technology and hybrid fiber reinforced material.

[0003] For example, the patent with publication number CN211523196U discloses a prestressed hybrid fiber concrete pipe pile, which includes a steel reinforcement cage, end plates arranged at both ends of the steel reinforcement cage, and the steel reinforcement cage is embedded in the hybrid fiber concrete in a cylindrical shape. The steel reinforcement cage includes multiple prestressed steel bars arranged in parallel and uniformly along the same circumference, and the prestressed steel bars are uniformly wrapped with spiral stirrups. Compared with ordinary prestressed concrete piles, the prestressed hybrid fiber concrete pipe pile has significantly improved bending resistance, is less prone to cracking, and has good ductility. Compared with mixed reinforcement prestressed concrete support type precast piles, it does not need to add a certain number of non-prestressed steel bars, which greatly saves costs. The concrete used in the utility model is mixed with hybrid fibers. The addition of hybrid fibers significantly improves the brittle failure characteristics of prestressed concrete without affecting the project cost, improves the bending performance, and improves the yield load and ultimate load.

[0004] However, there are problems in the prior art, such as the need to improve the strength during long-term use, the poor stability when the pipe is buried in soil, and the poor overall water resistance and corrosion resistance. For example, the above-mentioned comparative patent has this problem.

[0005] Therefore, we propose a prestressed hybrid fiber concrete pipe to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a prestressed hybrid fiber concrete pipe to solve the problems of the need to improve the strength during long-term use, the poor stability when the pipe is buried in soil, and the poor overall water resistance and corrosion resistance in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a prestressed hybrid fiber concrete pipe, which includes a concrete pipe body, the concrete pipe body is integrally formed with a concrete pipe body and a concrete pipe connecting end part;

[0008] It also includes:

[0009] The reinforcing cage is composed of prestressed steel bars arranged inside the concrete pipe body and steel hoops sleeved outside the prestressed steel bars.

[0010] The inner side of the concrete pipe body is inserted with a steel cylinder for reinforcement, and the outer diameter size of the steel cylinder is equal to the inner diameter size of the concrete pipe body.

[0011] The right end of the concrete pipe connecting end portion is provided with a mounting groove, and the opening size of the mounting groove is equal to the outer diameter size of the concrete pipe body.

[0012] The right end of the concrete pipe connecting end portion is provided with a mounting groove, and the opening size of the mounting groove is equal to the outer diameter size of the concrete pipe body.

[0013] The concrete pipe body is clamped in the mounting groove on the inner side of the concrete pipe connecting end portion at the right end of the concrete pipe body.

[0014] The concrete pipe body is clamped in the mounting groove on the inner side of the concrete pipe connecting end portion at the right end of the concrete pipe body.

[0015] The prestressed steel bars and the steel hoops are bound by wire and then cast with hybrid fiber concrete.

[0016] The prestressed steel bars and the steel hoops are bound by wire and then cast with hybrid fiber concrete.

[0017] The outer surface of the concrete pipe body is provided with a long groove, and the long grooves are arranged at equal angles on the outer side of the concrete pipe body.

[0018] The outer surface of the concrete pipe body is provided with a long groove, and the long grooves are arranged at equal angles on the outer side of the concrete pipe body.

[0019] Compared with the prior art, the prestressed hybrid fiber concrete pipe has the beneficial effects that: the prestressed hybrid fiber concrete pipe is formed by pouring hybrid fiber concrete after the combination of the prestressed steel bars and the steel bars to form a steel cage, has excellent durability, and the installation slot is arranged in the concrete pipe connecting end portion, and the opening size of the installation slot is equal to the outer diameter size of the concrete pipe body, so that the adjacent pipes can be quickly butt-jointed and positioned during installation, the steel cylinder is arranged in the concrete pipe body, the strength of the whole pipe is further improved, and the epoxy coal tar coating is coated on the outer surface of the pipe, which can improve the insulation, water permeability resistance and temperature difference resistance.

[0020] 1. The prestressed steel bar, the steel bar hoop and the hybrid fiber concrete are provided, the prestressed steel bar and the steel bar hoop form a steel cage, and then the hybrid fiber concrete is poured to form a pipe, the durability of the whole pipe is improved, and the service life of the pipe is prolonged.

[0021] 2. The concrete pipe connecting end portion and the installation slot are provided, the installation slot is arranged in the concrete pipe connecting end portion, and the opening size of the installation slot is equal to the outer diameter size of the concrete pipe body, so that the adjacent pipes can be quickly butt-jointed during installation.

[0022] 3. The long slot, the epoxy coal tar coating and the steel cylinder are provided, the area between the pipe and the soil is increased when the pipe is buried, or the contact area between the pipe and the concrete is increased when the pipe is fixed by the concrete, the stability is improved, the epoxy coal tar coating is coated on the outer surface of the pipe, the durability of the pipe is further improved, and the steel cylinder is inserted into the concrete pipe body, so that the strength of the pipe is increased. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model;

[0024] Figure 2 It is a pipe installation butt-joint structure schematic view of the utility model;

[0025] Figure 3 It is a whole exploded view schematic view of the utility model;

[0026] Figure 4 It is a prestressed steel bar and steel bar hoop whole structure schematic view of the utility model;

[0027] Figure 5 It is a steel cylinder and concrete pipe body explosion structure schematic view of the utility model.

[0028] In the drawing: 1, concrete pipe body; 2, concrete pipe body; 3, concrete pipe connecting end portion; 4, installation slot; 5, prestressed steel bar; 6, steel bar hoop; 7, long slot; 8, mortar protection layer; 9, epoxy coal tar coating; 10, steel cylinder. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0030] Please refer to Figures 1-5 .

[0031] In order to solve the problems of the prior art that the strength needs to be improved in the long-term use process, and the stability is poor when the pipeline is buried in the soil, and the overall water resistance and corrosion resistance effect, therefore, the technical scheme is as follows, a prestressed hybrid fiber reinforced concrete pipe is provided with a concrete pipe body 1, the concrete pipe body 1 is composed of an integrally formed concrete pipe body 2 and a concrete pipe connecting end 3, a steel reinforcement cage is composed of a prestressed steel bar 5 arranged inside the concrete pipe body 1 and a steel bar hoop 6 sleeved outside the prestressed steel bar 5, a steel cylinder 10 for reinforcement is inserted into the inside of the concrete pipe body 2, and the outer diameter size of the steel cylinder 10 is equal to the inner diameter size of the concrete pipe body 2, the outside of the concrete pipe body 2 and the concrete pipe connecting end 3 is wrapped with a mortar protective layer 8, and the outside of the mortar protective layer 8 is coated with an epoxy coal tar coating 9;

[0032] As Figure 1 , Figure 2 , Figure 3 and Figure 4 indicated, the prestressed steel bar 5 and the steel bar hoop 6 are bundled by lashing wire and then hybrid fiber reinforced concrete is poured, the pipeline as a whole has excellent durability, the inside of the concrete pipe connecting end 3 is provided with a mounting groove 4, and the opening size of the mounting groove 4 is equal to the outer diameter size of the concrete pipe body 2, the concrete pipe body 2 is inserted and clamped in the mounting groove 4 in the inside of the concrete pipe connecting end 3 of the concrete pipe body 1 at the right end of the adjacent position, which can very quickly and conveniently butt joint and position the pipeline, and the outside of the concrete pipe body 2 is provided with a long groove 7, through the arrangement of the long groove 7, when the pipeline is buried in the soil, the contact area of the pipeline with the soil or the concrete for fixation can be increased, the stability of the pipeline is improved, and the outside of the hybrid fiber reinforced concrete is wrapped with a mortar protective layer 8, the outside of the mortar protective layer 8 is provided with an epoxy coal tar coating 9, through the arrangement of the epoxy coal tar coating 9, the insulation, water permeability resistance and temperature difference resistance characteristics of the pipeline are improved, in addition, Figure 1 and Figure 5As shown, the inner side of the concrete pipe body 2 is inserted with a steel cylinder 10, the diameter size of the steel cylinder 10 is equal to the inner diameter size of the concrete pipe body 2, through the setting of the steel cylinder 10, the strength of the whole pipeline is further improved.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A prestressed hybrid fiber reinforced concrete pipe, comprising a concrete pipe body (1) which is composed of a concrete pipe body (2) and a concrete pipe connecting end (3) integrally formed; characterized in that Further comprising: a reinforcement cage which is composed of a prestressed reinforcement (5) arranged inside the concrete pipe body (1) and a reinforcement hoop (6) sleeved outside the prestressed reinforcement (5); A steel cylinder (10) for reinforcement is inserted into the inside of the concrete pipe body (2), and the outer diameter size of the steel cylinder (10) is equal to the inner diameter size of the concrete pipe body (2), the outside of the concrete pipe body (2) and the concrete pipe connecting end (3) is wrapped with a mortar protective layer (8), and the outside of the mortar protective layer (8) is coated with an epoxy coal tar coating (9).

2. A prestressed hybrid fiber concrete pipe according to claim 1, characterized in that: An installation groove (4) is arranged at the right end of the concrete pipe connecting end (3), and the opening size of the installation groove (4) is equal to the outer diameter size of the concrete pipe body (2).

3. A prestressed hybrid fiber concrete pipe as claimed in claim 1, wherein: The concrete pipe body (2) is clamped in the installation groove (4) inside the right end concrete pipe connecting end (3) of the adjacent concrete pipe body (1).

4. A prestressed hybrid fiber concrete pipe as claimed in claim 1, wherein: The prestressed reinforcement (5) and the reinforcement hoop (6) are bound by wire after the hybrid fiber reinforced concrete is poured.

5. A prestressed hybrid fiber concrete pipe as claimed in claim 1, wherein: Long grooves (7) are arranged on the outer surface of the concrete pipe body (2), and the long grooves (7) are arranged at equal angles on the outside of the concrete pipe body (2).

Images