KR100926173B1 - Piping structure and method for constructing the same - Google Patents

Abstract

PURPOSE: A cast-in-place piping structure and a method for constructing the same are provided to make construction and transfer convenient by using a tubular form of the light weight. CONSTITUTION: A cast-in-place piping structure comprises a pipe mounting base(110), a reinforcement portion(200), a tubular form(150), a side form(140) and a concrete portion(160). The pipe mounting base is formed in a ground(1) in which a piping structure(2) is installed. The reinforcement portion has reinforcement members(310,320) and the tubular form in the inside and is installed on the pipe mounting base. The tubular form is installed in a reinforcement portion and forms a pipeline(P). A pair of side forms is installed in both sides of the pipe mounting base in a longitudinal direction of the tubular form.

Description

Piping structure and method for constructing the same}

The present invention relates to a piping structure, and more particularly to a piping structure and a construction method embedded in the ground for drainage or piping.

Drainage pipe is a pipe that drains water or drains water, and is used as a drainage pipe for drainage of rainwater and wastewater by being buried underground in civil works such as road construction.

In addition, the configuration similar to the drain pipe, the pipe is used as a pipe for the line, such as power lines, communication lines.

1 is a conceptual view showing a construction method of a conventional piping structure, Figure 2 is a cross-sectional view in the A-A direction in FIG.

1 and 2, the conventional piping structure, the foundation concrete is poured after the excavation work on the ground (1) to form the foundation installation portion 20.

After the pipe installation foundation 20 is formed, a drain pipe 30 made in advance in the factory, such as a fume pipe, is installed on the pipe installation foundation 20.

And after installing the drain pipe 30 is installed on both sides of the drain pipe 30 formwork 10 for placing concrete.

And after pouring concrete into the formwork 10 installed on both sides of the drain pipe 30 cures the poured concrete.

After the concrete curing is completed, the formwork (10) is dismantled and completed the construction of the piping structure through the backfill and ground compaction.

However, the conventional pipe structure construction method as described above has the following problems.

First, the conventional drainage pipe for the construction of the piping structure is very large and cannot be transported by manpower, so it is not easy to transport and install the bar by heavy equipment such as a crane 40 using a lifting line 41. Have

As the drain pipe for the construction of the piping structure, a hume pipe made of concrete is generally used. When the diameter is 450 mm, the thickness is 38 mm, and the length is 2,500 mm, the weight is about 400 kg. As a large number of workers, transportation is almost impossible and there are safety problems.

Second, when constructing a small pipeline structure, the heavy water drainage pipe must be transported to the heavy equipment. Therefore, there is a problem in that a separate roadway and ground work must be carried out for the entry and support of the heavy equipment during the construction of the piping structure.

Third, there is a risk of safety accidents such as worker injuries due to transportation of heavy materials and use of heavy equipment.

Fourth, since the drain pipe used in the conventional piping structure has a standardized dimension, there is a problem in that the piping structure corresponding to the design conditions cannot be properly constructed in the piping structure to be constructed.

An object of the present invention is to provide a site-installed piping structure and a construction method having a structure that is easy to transport and construction in order to solve the above problems.

The present invention was created in order to achieve the object of the present invention as described above, the present invention is a pipe installation base portion formed on the ground on which the piping structure is installed; A reinforcement part including a plurality of reinforcement members, the reinforcement part being installed on the tubular installation base part and having a tubular formwork installed therein; A tubular formwork installed in the reinforcement to form a pipe; A pair of side formwork is installed on both sides of the tubular installation base portion relative to the longitudinal direction of the tubular formwork, and includes a concrete portion formed by pouring concrete in the space formed by the tubular formwork and the tubular installation foundation; Disclosed is a cast-in-place piping structure characterized in that the invention.

The reinforcing part may further include a reinforcing member assembly to which the plurality of reinforcing members are coupled.

The buoyancy prevention wire is coupled to at least one of the tubular formwork and the reinforcing portion to prevent the tubular formwork from being injured by the pressure of the poured concrete when the concrete is poured to form the concrete portion. The wire fixing part which is coupled with may be installed.

The tubular installation base unit may be installed at least one support block for supporting at least one of the tubular formwork and the reinforcement to secure a space in which concrete can be tightly filled in the lower portion of the tubular formwork when concrete is poured. The reinforcing member may be made of rebar.

The reinforcing member is coupled to the reinforcing member assembly and a plurality of longitudinal reinforcing members installed in the longitudinal direction of the tubular formwork; It may be configured to include a transverse reinforcement member coupled to the longitudinal reinforcement member and installed to surround the tubular formwork substantially perpendicular to the longitudinal reinforcement member.

The lateral reinforcement member may be formed in an annular shape so as to surround the tubular formwork.

A plurality of spacers may be installed to keep the tubular formwork and the plurality of reinforcing members spaced apart.

The spacer may be integrally formed with the tubular formwork, integrally with the reinforcement member assembly, or the spacer may be integrally formed with the tubular formwork and the reinforcement member assembly.

The reinforcing member assembly may include a ring member having a plurality of coupling portions for coupling with the reinforcing member and surrounding the tubular formwork.

The coupling portion may be configured with a recessed portion formed so that the reinforcing member is fitted to the tubular formwork.

The recess may have a shape corresponding to the cross-sectional shape of the reinforcing member to be concave in the ring member, or a coupling member having a shape corresponding to the cross-sectional shape of the reinforcing member may be coupled to the ring member.

The coupling portion may be formed with a plurality of holes so that the reinforcing member is fitted in the longitudinal direction of the tubular formwork.

The ring member may include a plurality of circular arc members formed integrally or coupled to each other to form a ring shape, and one end may be hinged to a neighboring arc member.

The present invention also discloses a reinforcing member assembly of the in-situ piping structure.

The present invention also provides a method for constructing a site-pouring piping structure, the piping skeleton construction step of installing the reinforcement and the tubular formwork on the pipe installation foundation and the pair of side formwork on both sides of the pipe installation foundation. Wow; Disclosed is a method for constructing a site-pouring piping structure including a pouring step of forming concrete by pouring concrete into a space formed by the tubular formwork and the tubular installation foundation.

The pipe skeletal construction step includes a reinforcing part installation step of installing the reinforcing part on the pipe installation base portion; Forming step of installing the pair of side formwork on both sides of the tubular formwork and the tubular installation base portion.

The pipe skeletal construction step is the tubular formwork installation step of installing the tubular formwork on the pipe installation foundation; A reinforcing part installing step of installing the reinforcing part around the tubular formwork; It may include a side form installation step of installing the pair of side formwork on both sides of the base tube installation.

The pipe skeletal construction step may include a first reinforcing part installing step of installing a part of the reinforcing part on the base of the pipe installation part; A tubular formwork installing step of installing the tubular formwork on a portion of the reinforcement part; A second reinforcing part installing step of installing the rest of the reinforcing part around the tubular formwork; It may include a side form installation step of installing the pair of side formwork on both sides of the base tube installation.

On-site casting piping structure and its construction method according to the present invention has the advantage that the construction is simple and easy to use by using a lightweight tubular formwork without using a heavy factory production pipe.

In addition, since the cast-in-place piping structure and its construction method according to the present invention use a lightweight tubular formwork, there is no need for heavy equipment for its installation, and thus there is no need for ground works for access and support for entry of heavy equipment.

In particular, by not using heavy equipment, there is an advantage to provide an environmentally friendly structure and construction method that can prevent the environmental pollution, such as air pollution by reducing the fuel consumption and carbon dioxide generated by the use of heavy equipment.

In addition, the site-installed piping structure and its construction method according to the present invention has the advantage of significantly reducing the material and installation costs required for the construction of the drainage structure by constructing directly at the construction site using a tubular formwork, a reinforcing member, a spacer, and the like. have.

Hereinafter, with reference to the accompanying drawings with respect to the field-pouring piping structure and its construction method according to the present invention will be described in detail.

Figure 2 is a cross-sectional view of the AA direction in Figure 1, Figure 3a is a cross-sectional view showing a cast-in-place piping structure according to the invention, Figure 3b is a side view showing a portion of the cast-in-place piping structure of Figure 3a, Figures 4a to 4e Figure 3a is a view showing embodiments of the reinforcing member assembly of the piping structure of FIG.

First, the pipe structure 2 according to the present invention is embedded in the road ground (1), etc. can be applied to any structure that is installed in the place where the pipes such as sewage, waste water pipes, water pipes, sewer pipes, pipes for electrical or communication lines are required. Do.

Piping structure 2 according to the present invention, as shown in Figure 3a and 3b, the pipe installation foundation 110 is formed on the ground (1) on which the piping structure (2) is to be installed; A reinforcement part 200 including a plurality of reinforcing members 310 and 320 and installed on the tube installation base part 110 and having a tubular formwork 150 installed therein; A tubular formwork 150 installed in the reinforcement part 200 to form a pipe P; It is formed by a pair of side formwork 140, the tubular formwork 150 and the tubular mounting foundation 110, which are installed on both sides of the tubular mounting foundation 110 based on the longitudinal direction of the tubular formwork 150 It is configured to include a concrete portion 160 is formed by pouring concrete into the space.

The pipe installation foundation 110 is formed on the bottom of the bottom surface after foundation work, such as digging the ground (1) to a predetermined depth and a predetermined depth in accordance with the size of the piping structure (2) in order to install the piping structure (2) It is formed by pouring concrete.

At this time, the pipe installation foundation 110, a plurality of wire coupling coupled with a plurality of reinforcing bars (not shown) and the buoyancy prevention wire 131 to be described later for structural reinforcement before the concrete installation foundation 110; The units 130 may be installed.

On the other hand, the tubular installation base unit 110 supports at least one of the tubular formwork 150 and the reinforcement portion 210 to secure a space in which concrete can be tightly filled in the lower portion of the tubular formwork when placing concrete. One or more support blocks 120 may be installed.

The support block 120 is a structure for supporting the cylindrical tubular formwork 150 and the reinforcement portion 210 to correspond to the outer peripheral surface of the tubular formwork 150 and the reinforcement portion 210 to be stably supported. The groove 121 may be formed, and the groove 121 may be formed to have a curvature corresponding to the outer peripheral surfaces of the tubular die 150 and the reinforcement 210.

On the other hand, the support block 120 may be installed together when forming the tube mounting base 110, or may be installed as a separate member from the tube mounting base 110.

The tubular formwork 150 is a configuration for forming a pipe (P), it is common to form a cylindrical shape, the material is not limited, but concrete, iron, etc. can be used to facilitate transportation and assembly by a few workers. However, it is preferable to be made of a lightweight material such as plastic, reinforced plastic, reinforced fiber.

In addition, the tubular formwork 150 preferably has a thickness that can withstand the pressure when placing concrete for the formation of the concrete portion 160, the inside of the '+' shape to withstand the pressure when placing concrete A reinforcing member may be formed or installed.

In addition, one end of the tubular formwork 150 may be expanded in diameter so that the other end of the neighboring tubular formwork 150 is fitted.

The tubular die 150 may be configured to be integrally or assembling the spacer 220 to be described later, or the reinforcing member assembly 210 may be integrally or assembling.

Meanwhile, the tubular formwork 150 is inserted into the middle steel space formed by the reinforcement part 200, that is, formed by the reinforcement part 200 after the installation of the reinforcement part 200, as described below. The reinforcement part 200 may be installed around it. In addition, after a part of the reinforcement part 200 is installed, the tubular formwork 150 may be installed thereon, and the rest of the reinforcement part 200 may be installed thereon.

The pair of side formwork 140 is configured to form a piping structure 2 together with the tubular formwork 150 and the tube installation foundation 110, and may be variously configured according to the design conditions, in particular the piping The cross section or the like is calculated based on the height (top height) of the earth and sand 170 in which the structure 2 is embedded, and the stress according to the load by the earth and sand 170 and the like.

The reinforcement part 200 is installed to surround the tubular formwork 150, it may be variously configured according to the design conditions (pipe diameter) of the piping structure to be constructed. In this case, the reinforcing members 310 and 320 constituting the reinforcing part 200 are determined based on the stresses given in the design conditions, that is, the amount of reinforcing bars, that is, the size of the concrete part is determined.

In particular, compared to the conventional construction method using a uniform factory manufacturing pipe, the reinforcement members 310 and 320, that is, the amount of reinforcing bars and concrete parts are determined based on the stress given in the design conditions, thereby significantly reducing the manufacturing cost. There is an advantage to this.

The reinforcement part 200 includes a plurality of reinforcement members 310 and 320.

The reinforcing members 310 and 320 are configured for structural reinforcement, and various configurations are possible according to design conditions, and a plurality of species installed in the longitudinal direction of the tubular formwork 150 are combined with the reinforcing member assembly 210. Direction reinforcing member 310; It may be configured to include a transverse reinforcement member 320 coupled to the longitudinal reinforcement member 310 and installed to surround the tubular formwork 150 to be substantially perpendicular to the longitudinal reinforcement member 310.

The longitudinal reinforcement member 310 and the transverse reinforcement member 320 is a reinforcement member, and various members such as reinforcing bars may be used.

The lateral reinforcement member 320 may be formed in an annular annular shape to surround the tubular formwork 150.

Meanwhile, the longitudinal reinforcement member 310 and the transverse reinforcement member 320 may be coupled by various methods, such as using a wire or other fastening member.

Meanwhile, the plurality of reinforcing members may be configured only with the longitudinal reinforcing members 310 except for the horizontal reinforcing members 320, and the reinforcing member assembly 210 described later may perform the function of the transverse reinforcing members. have.

Meanwhile, as shown in FIGS. 7A and 7B, the reinforcement part 200 may be configured with only a plurality of reinforcement members 310 and 320, but as shown in FIGS. 3A and 3B, a plurality of reinforcement members are provided. It is configured to further include a reinforcing member assembly 210 is coupled to the plurality of reinforcing members (310, 320) coupled to facilitate installation (310, 320).

The reinforcing member assembly 210 includes a plurality of coupling parts 211 for coupling with at least one of the reinforcing members 310 and 320, particularly the longitudinal reinforcing member 310 and the transverse reinforcing member 320. It may be configured to include a ring member 212 surrounding the tubular die (150).

The reinforcing member assembly 210 may have any configuration as long as it can be combined with the reinforcing members 310 and 320, and as shown in FIGS. 4A to 4E, various configurations are possible.

That is, the coupling portion 211 is formed so that the reinforcing members 310 and 320 are fitted in the radial or longitudinal direction of the tubular formwork 150, as shown in Figures 4a, 4b, 4d and 4e. It may be configured as a recess.

At this time, the groove portion as shown in Figures 4a, 4d and 4e, the concave formed in the ring member 212 in a shape corresponding to the cross-sectional shape of the reinforcing members (310, 320), or as shown in Figure 4b Likewise, the coupling member 213 having a shape corresponding to the cross-sectional shape of the reinforcing members 310 and 320 may be coupled to the ring member 212. 4A to 4C and 4E illustrate cases separately installed with the spacer 220 and FIG. 4D illustrates a case in which the spacer 220 is integrally formed.

In addition, the coupling portion 211, as shown in Figure 4c, a plurality of holes may be formed so that the reinforcing members (310, 320) are fitted in the longitudinal direction of the tubular formwork (150).

Meanwhile, as illustrated in FIGS. 4A and 4C to 4E, the ring member 212 may be integrally formed, or as illustrated in FIG. 4E, a plurality of circular arc members 212a may be coupled to each other to form a ring shape. 212b), one end of the adjacent arc member (212a, 212b) and one end may be coupled or hinged by the fastening member.

On the other hand, when forming the concrete portion 160 to be described later, the concrete smoothly flows in and the tubular formwork 150 is installed when the tubular formwork 150 and the reinforcement part 200 are installed for proper structural reinforcement with respect to the tubular formwork 150. ) And the reinforcement 200 need to be spaced apart from each other.

Therefore, a plurality of spacers 220 may be installed between the tubular formwork 150 and the reinforcement part 200, that is, the reinforcement members 310 and 320 or the reinforcement member assembly 210.

The spacer 220 is configured to maintain a gap between the reinforcement part 200 and the tubular formwork 150, and may be configured in various ways, and may be formed as a separate member or integrally formed with the tubular formwork 150. It may be formed integrally with the reinforcing member assembly 210.

In addition, the spacer 220 may be integrally formed with both the reinforcing member assembly 210 and the tubular die 150.

The concrete portion 160 is a configuration for finally forming the piping structure (2), a pair of side formwork is installed on both sides of the tubular installation base portion 110 based on the longitudinal direction of the tubular formwork 150 Concrete is poured into the space formed by the 140, the tubular formwork 150 and the tubular installation foundation 110.

The concrete poured in the concrete part 160 is determined in accordance with the use, design conditions, etc. of the piping structure, the combination, material, aggregate, and the like.

In addition, before the concrete is poured to form the concrete portion 160, structural reinforcing members such as reinforcing bars to reinforce the concrete portion 160 itself in addition to the reinforcement portion 200 to reinforce the periphery of the tubular formwork 140. (Not shown) may be additionally installed.

Meanwhile, when concrete is poured to form the concrete part 160, the tubular formwork 150 may be injured due to the pressure of the poured concrete.

Therefore, the tubular formwork 150 and the tubular formwork 150 and the reinforcement part 200 of the tubular formwork 150 to prevent the rise of the tubular formwork 150 due to the pressure of the poured concrete when the concrete is poured to form the concrete portion Wire fixing portion 130 coupled with the buoyancy prevention wire 131 is coupled to at least one may be additionally installed.

Of course, the tubular formwork 150 and the reinforcement 200 may be prevented from injury by various configurations in addition to the buoyancy prevention wire 131.

Referring to the construction method of the pipe structure having the above configuration in detail as follows.

Figures 5a to 5d is a view showing the construction sequence of the cast-in-place piping structure shown in Figure 3a, Figure 6 is a construction sequence diagram showing an example of the construction method of the cast-in-place pipe according to the present invention, Figures 7a and 7b Cross-sectional view and side view showing another example of the cast-in-place piping structure according to the present invention.

The construction method of the piping structure according to the present invention, as shown in Figures 5a to 5d and 6, the tubular formwork 150 and the reinforcement 200 is installed on the tube installation foundation 110 and the tube installation foundation Pipe skeletal construction step (S20) for installing a pair of side dies 140 on both sides of the unit 110, and the concrete is poured into the space formed by the tubular formwork 150 and the tubular installation base portion 110 It is configured to include a pouring step (S30) to form the concrete portion 160.

Before the pipe skeletal construction step (S20), as shown in Figure 5a, the basic construction, such as digging and compacting on the ground (1) on which the tubular structure (2) is installed in order to form the tube installation foundation 110 as a basic construction Step S10 is performed.

The piping skeleton construction step (S20) is a step of constructing the reinforcement part 200, the tubular formwork 150 and the side formwork 140, as shown in Figure 5b, the reinforcement part 200, tubular formwork 150 ) And the side formwork 140 and the installation order can be configured in various ways.

That is, the pipe skeletal construction step (S20) is a tubular formwork installation step of installing the tubular formwork 150 on the tubular installation base portion 110; A reinforcing part installing step of installing the reinforcing part 200 around the tubular formwork 150; It may include a side form installation step of installing a pair of side formwork 150 on both sides of the tube installation foundation 110.

In addition, the pipe skeletal construction step (S20) includes a reinforcing part installation step of installing the reinforcing part 200 on the pipe installation base portion 110; It can be configured to include a formwork installation step of installing a pair of side formwork 140 on both sides of the tubular formwork 150 and the tubular installation foundation 110.

In addition, the piping skeletal construction step (S20) includes a first reinforcing part installation step of installing a part of the reinforcement part 200 on the pipe installation foundation 110; A tubular formwork installing step of installing the tubular formwork 150 on a part of the reinforcement part 200; A second reinforcing part installing step of installing the rest of the reinforcing part 200 around the tubular formwork 150; It may include a side form installation step of installing the pair of side formwork 140 on both sides of the tube installation foundation (110).

The pipe skeletal construction step (S20) is, as shown in Figure 5b, by coupling the buoyancy prevention wire 131 for preventing the injury of the reinforcement 200 and tubular formwork 150 to the wire coupling portion 130 Fix the reinforcement part 200 and the tubular formwork 150.

The placing step (S30) is constructed by placing concrete, as shown in Figure 5c after the pipe skeleton construction step (S20).

The concrete poured after the pouring step (S30) is subjected to the curing process, as shown in Figure 5d, the earth and sand filling step (170) and the soil filling step (S40) is carried out.

In the above, the preferred embodiment of the present invention has been illustrated and described, but the present invention is not limited to the specific embodiments described above, and the technical spirit of the present invention and the following by those skilled in the art to which the present invention pertains. Various modifications and variations will be possible within the scope of equivalents of the claims to be described therein, and such variations will fall within the protection scope of the present invention.

1 is a conceptual diagram showing a construction method of a conventional drain pipe.

FIG. 2 is a cross-sectional view of the A-A direction in FIG. 1.

Figure 3a is a cross-sectional view showing a cast-in-place piping structure according to the present invention.

FIG. 3B is a side view showing a portion of the in-site plumbing piping structure of FIG. 3A. FIG.

4A to 4E are views illustrating embodiments of the reinforcing member assembly of the pipe structure of FIG. 3A.

5a to 5d are views showing the construction sequence of the in-situ piping structure shown in FIG. 3a.

6 is a construction sequence diagram showing an example of the construction method of on-site pouring piping according to the present invention.

7a and 7b is a cross-sectional view and a side view showing another example of the cast-in-place piping structure according to the present invention.

****** Explanation of symbols for main parts of drawing *****

1: Ground 2: Piping Structure

110: foundation for installing the pipe 120: support block

140: side formwork 150: tubular formwork

160: concrete section 170: earth and sand

200: reinforcement

210: reinforcing member assembly 220: spacer

310: longitudinal reinforcement member 320: transverse reinforcement member

Claims (22)

A pipe installation base portion formed on the ground on which the pipe structure is to be installed; A reinforcement part including a plurality of reinforcement members, the reinforcement part being installed on the tubular installation base part and having a tubular formwork installed therein; A tubular formwork installed in the reinforcement to form a pipe; A pair of side molds installed on both sides of the tubular mounting base portion based on the longitudinal direction of the tubular formwork, and a concrete portion formed by pouring concrete into a space formed by the tubular mold and the tubular mounting foundation; , The reinforcing part is installed to surround the tubular formwork and includes a reinforcing member assembly to which the plurality of reinforcing members are coupled, The reinforcing member is coupled to the reinforcing member assembly and a plurality of longitudinal reinforcing members installed in the longitudinal direction of the tubular formwork; And a transverse reinforcement member coupled to the longitudinal reinforcement member and formed in an annular shape to be substantially perpendicular to the longitudinal reinforcement member and installed to surround the tubular formwork. delete The method according to claim 1, The buoyancy prevention wire is coupled to at least one of the tubular formwork and the reinforcing portion to prevent the tubular formwork from being injured by the pressure of the poured concrete when the concrete is poured to form the concrete portion. On-site casting piping structure, characterized in that the wire fixing is installed to be coupled with. The method according to claim 1, The pipe installation base portion is installed in the field cast pipe, characterized in that at least one support block for supporting at least one of the tubular formwork and the reinforcement portion is installed to secure a space in which the concrete can be tightly filled below the tubular formwork structure. The method according to claim 1, The reinforcement member is a cast-in-place piping structure, characterized in that the rebar. delete delete The method according to claim 1, And a plurality of spacers are installed so that the tubular formwork and the plurality of reinforcing members maintain a gap. The method according to claim 8, The spacer is a cast-in-place piping structure, characterized in that formed integrally with the tubular formwork. The method according to claim 8, The spacer is a cast-in-place piping structure, characterized in that formed integrally with the reinforcing member assembly. The method according to claim 8, The spacer is a cast-in-place piping structure, characterized in that formed integrally with the tubular formwork and the reinforcing member assembly. The method according to claim 1, Wherein the reinforcing member assembly has a plurality of coupling portions for coupling with the reinforcing member, the site casting piping structure, characterized in that it comprises a ring member surrounding the tubular formwork. The method according to claim 12, Wherein the coupling portion is a cast-in-place piping structure, characterized in that the reinforcing member grooves formed to fit the tubular formwork. The method according to claim 13, Wherein the groove portion is formed in the shape corresponding to the cross-sectional shape of the reinforcing member concave in the ring member, or the site member, characterized in that the coupling member having a shape corresponding to the cross-sectional shape of the reinforcing member is coupled to the ring member Piping structure. The method according to claim 12, The coupling portion is a cast-in-place piping structure, characterized in that a plurality of holes are formed so that the reinforcing member is fitted in the longitudinal direction of the tubular formwork. The method according to claim 12, The ring member is integrally formed or coupled to each other on-site casting piping structure comprising a plurality of circular arc members to form a ring shape. The method according to claim 16, The arc member is a site casting piping structure, characterized in that one end is hinged to the neighboring arc member. Reinforcing member assembly of the site-pouring piping structure according to any one of claims 5, 8 to 17. As a construction method of the site-pouring piping structure according to any one of claims 5, 8 to 17, A pipe skeletal construction step of installing the reinforcement part and the tubular formwork on the pipe mounting foundation and installing the pair of side molds on both sides of the pipe mounting foundation; And placing the concrete to form the concrete part by placing concrete in the space formed by the tubular formwork and the tubular installation foundation. The method according to claim 19, The pipe skeletal construction step includes a reinforcing part installation step of installing the reinforcing part on the pipe installation base portion; And a formwork installation step of installing the pair of side formwork on both sides of the tubular formwork and the tubular installation foundation. The method according to claim 19, The pipe skeletal construction step is the tubular formwork installation step of installing the tubular formwork on the pipe installation foundation; A reinforcing part installing step of installing the reinforcing part around the tubular formwork; And a side formwork installation step of installing the pair of side formwork on both sides of the base portion of the pipe installation. The method according to claim 19, The pipe skeletal construction step may include a first reinforcing part installing step of installing a part of the reinforcing part on the base of the pipe installation part; A tubular formwork installing step of installing the tubular formwork on a portion of the reinforcement part; A second reinforcing part installing step of installing the rest of the reinforcing part around the tubular formwork; And a side formwork installation step of installing the pair of side formwork on both sides of the base portion of the pipe installation.

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