KR101091600B1 - Sidewall PC formwork and construction method using the same - Google Patents

Abstract

The present invention relates to a side-wall PC formwork and a side-gate construction method using the same, the purpose of which is to enable the simultaneous construction of the side and road borders, the side-wall PC formwork structure for easier and faster construction of the side and road borders And to provide a construction method using the same. The present invention for this purpose is a quadrangular plate-shaped body having a rectangular structure extending in the left and right side direction, a wire mesh provided inside the body for reinforcing the strength of the body, and formed integrally with the wire mesh and the side opening A pair of side PC PC formed of one or more buried pieces formed to protrude to the outside of the body to be embedded in the concrete when the concrete for the formation of the reinforcing force between the body and the concrete; A plurality of form ties connecting the two side PC dies so as to have an interval corresponding to the width of the side holes in a state in which the pair of side PC dies are spaced apart from each other; The technical gist of the two-sided PC formwork for the side-wall PC formwork which is assembled to any one of the side-wall PC formwork is composed of the support means for supporting the road boundary stone from the bottom and the construction method using the same.

Side mouth, side face PC formwork, formwork, supporting means, road boundary stone

Description

Precast form structure for gutter and construction method using the same}

The present invention relates to a formwork for the construction of the side of the road and a method for constructing the side using the formwork, in particular in the construction of the side by using a PC formwork made in advance to form a space to be poured concrete The present invention relates to a PC formwork structure for a side gate to allow easy installation of road boundary stones, and a side construction method using the same.

In general, the gutter is a drainage channel made parallel to the road on both sides or one side of the road to drain water from the road surface caused by rain or snow. Low L-shaped side openings are mainly used, and sideways with U-shaped cross-sections are mainly used on roads of the earth without sewers.

1 is a process chart showing a construction procedure of a conventional L-shaped side opening.

Typically, the L-shaped side opening is constructed with a road boundary stone, the construction procedure is as follows.

After laying the ground on which the side openings are to be formed and placing the foundation concrete 1 thereon, when the foundation concrete 1 is appropriately hardened and has a certain degree of strength, the second concrete 2 is poured thereon. On the other hand, when the second concrete (2) has a suitable hardness (with a moderate flow), the road boundary stone 10 is placed on the second concrete (2), and then the height and horizontality of the road boundary stone 10 Positioning is performed to align the road and straightness with the neighboring road boundary stone.

After installing the side molds (11, 12) on both sides and placing the third concrete (3) and the fourth concrete (4), and when the poured concrete is cured, the construction of the side holes is removed by removing the molds (11, 12) You are done.

As described above, the conventional side construction method is very complicated in the procedure, and after pouring the first, second, third, and fourth concretes (1,2,3,4), for a period of time until the poured concrete is cured. The problem is that a long construction period is required as the work is impossible.

Moreover, in the case of the side molds (11, 12), after the third concrete (4) and the fourth concrete (4) must be removed, the work process is added, as well as the form is damaged when the form is removed, so reuse is not possible. There is a problem of generating construction waste by becoming impossible.

The present invention has been made in consideration of the above problems, and an object of the present invention is to enable the simultaneous construction of the side mouth and road boundary stone, the PC formwork structure for the side door to allow easier and faster construction of the side mouth and road boundary stone and It is to provide a side-gate construction method used.

Still another object of the present invention is to improve the convenience of construction since the removal of formwork is not required after the construction of the side opening, and provides a side construction PC formwork structure and a side construction method using the same that can reduce the generation of construction waste. Is in.

Still another object of the present invention is to provide a space for installing a road boundary stone using a PC formwork structure, and to provide a side construction PC formwork structure and a side construction method using the same to facilitate the alignment of the road boundary stone.

A side door PC formwork structure of the present invention to achieve the object as described above and to perform a problem for eliminating the conventional defects is a quadrangular plate-shaped body having a rectangular structure extending in the left and right side direction, and the The wire mesh provided inside the body for strength reinforcement, and formed integrally with the wire mesh and formed to protrude to the outside of the body to be embedded in the concrete during the pouring of concrete for the formation of side holes to bond the body and the concrete A pair of sidewall PC formwork consisting of at least one landfill piece to be reinforced; A plurality of form ties connecting the two side PC dies so as to have an interval corresponding to the width of the side holes in a state in which the pair of side PC dies are separated from each other; It is characterized in that it is composed of a support means for supporting the road boundary stone is assembled to any one of the side PC PC formwork of the two side PC formwork.

On the other hand, it is further included a binding member that is coupled to the lower end of the two side sphere PC formwork neighboring disposed in the lateral direction to bind the neighboring two side PC formwork.

On the other hand, the support means is assembled to the side PC PC formwork, the first support means having a pair of struts supporting one end of the road boundary stone from the bottom; It is assembled to the side PC PC formwork so as to be spaced apart from the first support means, it is composed of a second support means having one support for supporting the other end of the road boundary stone from the bottom.

At this time, the first support means has a first support body having a pair of strut members extending vertically spaced apart from each other; One end is coupled to the first support body, the other end is assembled to the side door PC formwork to bind the first support body and the side door PC formwork, the first support body to the first support body to rotate in the vertical direction A first cradle fitted; A pair of first bolt pillars screwed to the pair of strut members, respectively, to adjust the height of the road boundary stone by rotating and rising or falling by the user; And a first cap assembled to an upper end of the first bolt column to be in contact with the bottom surface of the road boundary stone.

In addition, the second support means includes a second support body having a vertically extending support member; One end is coupled to the second support body, and the other end is assembled to the side door PC formwork to bind the second support body and the side door PC formwork, so that the second support body can rotate in the vertical direction to the second support body. A second cradle fitted; A second bolt column which is screwed to the support member and adjusts the height of the road boundary stone by being rotated and raised or lowered by the user; And a second cap assembled to an upper end of the second bolt column to be in contact with the bottom surface of the road boundary stone.

On the other hand, it is further provided with a rotating handle which is assembled to the first bolt pillar and the second bolt pillar to allow the user to easily rotate the first bolt pillar and the second bolt pillar.

Side construction method of the present invention is a quadrilateral plate shape having a rectangular structure extending in the left and right side direction, having at least one buried piece to be embedded in the concrete during the pouring of concrete for the formation of the side hole to strengthen the binding force with the concrete A number of side PC PC forms are prepared, and two side PC PC dies of the prepared multiple side PC dies are formed by binding two side PC dies using a form tie to have a distance corresponding to the width of the side holes. Forming them (S1); Disposing the structures formed through the step S1 in a series structure at a place where the side opening is to be constructed (S2); After the arrangement of the formwork structure is completed through the step S2, the first support means consisting of a first support body, the first cradle and the first bolt pillar and the first cap having a pair of struts, the second support body and the first Comprising a second support means having a single post and a second support post and a second bolt post and a second cap spaced apart from each other in the formwork PC formwork to form a space for installation of the road boundary stone (S3); After the assembly of the first supporting means and the second supporting means through the step S3 is completed, the step of placing the road boundary stone on the upper portion of the first supporting means and the second supporting means (S4); And after the arrangement of the road boundary stone through the step S4 is completed, the step of placing concrete in the space formed by the formwork structure (S5).

On the other hand, it is preferable to align the height and horizontality of the road boundary stone by rotating the first bolt pillar and the second bolt pillar in the step S4.

On the other hand, in the step S2 it is preferable to bind the lower end of the two side-wall PC formwork neighboring disposed in the lateral direction with a binding member.

According to the present invention having the characteristics as described above, the simultaneous construction of the side opening and the road boundary stone is possible, the formwork is easy to install, and furthermore, since the disassembly of the formwork is not required, the construction is easy and the fast construction is possible.

In addition, since the dismantling of formwork is not required, the generation of construction waste can be reduced.

In addition, it is possible to more easily align the horizontality and height of the road boundary stone installed with the side mouth.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 shows a perspective view of the side PC PC formwork structure according to the present invention.

PC formwork structure for the side opening of the present invention is integrated with the concrete to provide the function of the formwork for the construction of the side opening to form the side by the disassembly of the formwork after curing of the concrete is not required, and road boundary stone disposed on the side opening To make it easier to construct, the side PC PC formwork structure 100 according to a preferred embodiment of the present invention is a pair of side PC formwork (110, 110 '), the form tie 120 and the support means 130 )

Figure 3 shows a perspective view of the side PC PC formwork according to the present invention, Figure 4 shows a rear perspective view of the side PC PC formwork according to the present invention.

The side wall PC formwork 110 is composed of a body 111, a wire mesh 112, and a buried piece 113.

The body 111 is manufactured by placing and curing concrete in a mold formed to have a predetermined shape, and is configured to have a quadrangular plate shape having a rectangular structure extending in the left and right side directions. .

The wire mesh 112 is installed inside the body 111 to reinforce the strength of the body 111. The wire mesh 112 is pre-installed in the mold before pouring the concrete in the mold, by placing and curing the concrete in this state it is possible to install the wire mesh 112 in the interior of the body 111. .

The buried piece 113 is projected to the outside of the body 111 is embedded in the concrete during the pouring of the concrete for the formation of the side is to increase the binding force between the body 111, that is, the PC formwork 110 and the side opening. The buried piece 113 is preferably formed to protrude out of the body 111 while being bound or welded to the wire mesh 112 to form an integrated structure with the wire mesh 112.

On the other hand, since the side wall PC formwork 110 of the present invention is formed to have a length of 1 ~ 2m, it is difficult to maintain sufficient rigidity only with the wire mesh 112 provided therein. Therefore, it is preferable that a reinforcement pipe 114 is installed to cross the left and right side surfaces of the body 111 inside the body 111 to prevent bending of the side PC dies 110. The reinforcement pipe 114 may be installed inside the body 111 by pouring concrete in a state of being pre-installed in the molding die, similar to the wire mesh 112.

The side-wall PC formwork 110 is provided with a pair to form a side-wall PC formwork structure, the provided two side-wall PC formwork (110, 110`) is arranged to have an interval corresponding to the width of the sidewall.

Referring back to FIG. 2, the form tie 120 is fixed by interconnecting two side PC dies 110 and 110 ′, so that the two side PC dies 110 and 110 ′ have an interval corresponding to the width of the side hole. It is fixed. The form ties 120 are fastening rods 121 installed to penetrate two side PC dies 110 and 110`, and fastened to both ends of the fastening rods 121 and fastening rods 121 and PC dies for side openings. It consists of the nut 122 which binds 110.

On the other hand, when only one nut 122 is fastened to the end of the fastening rod 121 installed to penetrate the side PC dies 110 and 110`, the side door PC dies 110 and 110` cannot be completely fixed, so the side door PC One side PC by using two nuts 122 and 122` so that one nut 122 and 122` can be fastened to both sides of each side PC mold 110 and 110` for complete fixing of the dies 110 and 110`. Fixing the formwork or by forming a locking jaw (not shown) in place of the nut 122 to the fastening rod 121 to completely fix the side PC PC formwork (110,110`) using the nut 122 and the locking jaw. have. Such a form tie 120 may be configured in the same manner as the well-known and tolerated form tie (Form tie) that is used for the binding of the form, more detailed description will be omitted.

On the other hand, the fastening rod 121 penetrating through the front side of the side, that is, the roadside PC formwork 110` installed on the road side, and the nut 122 fastened to the fastening rod 121 is a sidewall PC formwork 110`. When protruding to the outside through), since the equipment used in the road construction and the fastening rod 121 may collide with the equipment or side openings may be damaged, the nut on the side PC formwork 110` installed on the road side to prevent this In the state where the 122 is buried in the body 111, it is preferable that a groove 117 is formed to be fastened with the fastening rod 121. At this time, it is preferable that the end of the fastening rod 121 penetrating the side wall PC formwork 110` installed on the side of the fastening rod 121 does not protrude from the side wall PC formwork 110 '.

5 is a perspective view of the supporting means according to the present invention, Figure 6 is a plan view showing a state in which the road boundary stone is supported by the supporting means according to the present invention.

The support means 130 is installed on any one of the formwork (110, 110`) two formwork PC formwork (110, 110`) constituting the formwork structure to support the road boundary stone 10, the sidewall PC formwork (110) Assembled, the first support means 131 having a pair of struts (131a, 131b) supporting one end of the road boundary stone 10 from the lower side, and the side PC to be spaced apart from the first support means (131) It is assembled to the formwork 110, and is composed of a second support means 132 having one support 132a for supporting the other end of the road boundary stone 10 from the bottom.

Figure 7 is an exploded perspective view of the first supporting means according to the present invention, Figure 8 is a cross-sectional view showing a binding state of the support body and the cradle of the present invention.

The first support means 131 includes a first support body 131-1, a first holder 131-2, a first bolt pillar 131-3, and a first cap 131-4. Consists of.

At this time, the first support body 131-1 is configured to include a pair of strut members 131-1a and 131-1b extending vertically while being spaced apart from each other.

One end of the first cradle 131-2 is coupled to the first support body 131-1, and the other end is assembled to the side door PC formwork 110 so that the first support body 131-1 and the side door PC The die 110 is to bind. The first cradle 131-2 may be formed as a unitary structure with the first support body 131-1, but in such a structure, when the first support body 131-1 is not flat on the bottom surface on which the first support body 131-1 is placed. Since the load of the road boundary stone 10 placed on the first supporting means 131 is not evenly distributed to the floor through the first supporting body 131-1, the first supporting body 131-1 and the first cradle (131-2) will cause damage. Accordingly, when the first cradle 131-2 and the first support body 131-1 are coupled to each other, the first support body 131-1 may rotate the first support body 131-1 at an angle in the vertical direction. Binding holes (131-1c) in the vertical direction in the (), and the first support body (131-1) and the first by inserting one end of the first holder (131-2) in the binding holes (131-1c) Bind the cradle (131-2), the binding hole (131-1c) has a diameter sufficiently large compared to the diameter of the first cradle (131-2), the first support body (131-1) of the bottom surface It can be placed in close contact with the bottom surface in an inclined state by rotating in the upward or downward direction according to the inclination.

Two first bolt columns 131-3 are provided to be fastened to the pair of support members 131-1a and 131-1b provided in the first support body 131-1, respectively. The first bolt column 131-3 is fastened to each of the support members 131-1a and 131-1b and ascends or descends upon rotation by the user, thereby placing the road boundary stone 10 placed on the first support means 131. Will be adjusted.

Meanwhile, the first bolt pillar 131-3 may further include a rotation knob 131-5 for allowing a user to more easily rotate the first bolt pillar 131-3. The rotary knob 131-5 is coupled to an upper end of the first bolt pillar 131-3 and installed to rotate together with the first bolt pillar 131-3, and a protrusion 131 on the outer surface to prevent slippage. -5a) is formed.

The first cap 131-4 is assembled to the upper end of the first bolt pillar 131-3 to support the road boundary stone 10 from the bottom, and is assembled to the first bolt pillar 131-3 for rotation. The handle 131-5 is prevented from being separated. On the upper surface of the first cap 131-4, unevenness 131-4 is formed to prevent the road boundary stone 10 placed on the first support means 131 from slipping.

Figure 9 shows an exploded perspective view of the second support means according to the present invention.

The second support means 132 includes a second support body 132-1, a second holder 132-2, a second bolt pillar 132-3, and a second cap 132-4. Consists of.

The second support body 132-1 is configured to include a support member 132-1a extending vertically.

One end of the second cradle 132-2 is coupled to the second support body 132-1, and the other end is assembled to the side PC body 110 for the second support body 132-1 and the PC for the side door. Bind the formwork, the second support body 132-1 is fitted to the second support body 132-1 to rotate in the vertical direction. The second cradle 132-2 is coupled in the same structure as the coupling structure of the first cradle 131-2 and the first support body 131-1, and the second cradle 132-2 and the second cradle Detailed description of the coupling structure of the support body 132-1 will be omitted.

The second bolt column (132-3) is fastened to the holding member (132-1a) provided in the second supporting body (132-1) is raised or lowered during rotation by the user, the second supporting means (132) To adjust the height of the road boundary stone 10 placed on. The second bolt pillar 132-3 may be provided with a rotating knob 132-5 in the same manner as the first bolt pillar 131-3.

The second cap 132-4 is assembled to the upper end of the second bolt pillar 132-3 to support the road boundary stone 10 from the bottom, and is assembled to the second bolt pillar 132-3 for rotation. The handle 132-5 is prevented from being separated. On the upper surface of the second cap 132-4, unevenness 132-4a is formed to prevent the road boundary stone placed on the second support means 132 from slipping.

According to the support means 130 configured as described above, the road boundary stone 10 has two support pillars 131a and 131b provided in the first support means 131 and one provided in the second support means 132. Three points are supported by the support (132a), and at this time, by rotating the two first bolt pillars (131-3) provided in the first support means 131 to adjust the height and horizontality of one end of the road boundary stone (10) And, by rotating the second bolt column (132-3) provided in the second support means 132 to adjust the height and the horizontal level for the other end of the road boundary stone (10).

If you want to construct the side sphere using the side PC structure for the side structure configured as described above, by forming a plurality of form structures in a series structure to form a space in which the concrete is to be placed, in this case neighboring two side PC formwork in the lateral direction It is preferable that the binding member is further included for the binding of the 110.

10 is a perspective view of a binding member according to the present invention.

The binding member 140 is formed to extend upward from both sides of the bottom portion 141 and the bottom portion 141 to form a pair of side portions 142 and 143 to form a space between the side PC dies 110. It consists of). The binding member 140 is coupled to the two neighboring side PC dies (110, 110 ``) at the same time to bind the two neighboring side PC dies (110, 110 ``).

11 is a process diagram showing the process sequence for constructing the side opening using the formwork according to the present invention, Figure 12 shows a cross-sectional view of the side opening constructed using the formwork according to the present invention.

Side construction method according to the present invention is made using a plurality of side PC PC formwork structure, in the following description will be described with reference numerals 100 and 100` of two neighboring side PC formwork structure.

On the other hand, the side opening construction method of the present invention (S1) forming the formwork structures (100,100`), the step of placing the formwork structures (S2) and the support means 130 to the formwork structure (100,100`) It comprises a step (S3) of installing and forming a space to place the road boundary stone, the step of placing the road boundary stone (S4), and the step of placing concrete (S5).

The step S1 is a step of forming the formwork structure 100 by assembling two side-wall PC formwork (110,110`) using the form tie 120. Of course, in the step S1 to produce the required number of form structures (100, 100`).

The step S2 is a step of arranging the formwork structure (100,100`) fabricated in the place to be constructed, the formwork space (100, 100`) are arranged in series in a continuous structure to form a space in which concrete is to be poured. As such, when arranging the formwork structures 100 and 100` in a series structure, the side PC PC formwork 110 which is arranged to be adjacent to each other using the binding member 140 is interconnected.

The step S3 is a step of forming a space for arranging the road boundary stones by assembling the first support means 131 and the second support means 132 in the formwork structure (100, 100 ') is completed. This step S3 is achieved by binding the first holder 131-2 provided on the first support means 131 and the second holder 132-2 provided on the second support means 132 to the PC die for side opening. In this case, the distance between the first supporting means 131 and the second supporting means 132 may be appropriately positioned so that the first supporting means 131 and the second supporting means 132 are located at both ends of the road boundary stone. Maintained.

The step S4 is a step of placing the road boundary stones (10, 10`) in the space provided by the installation of the first support means 131 and the second support means 132. At this time, the road boundary stones (10, 10`) are supported by two support (131a, 131b) provided in the first support means 131 and one support (132a) provided in the second support means 132, the worker Rotating knobs (131-5, 132-5) provided in the first bolt pillar (131-3) and the second bolt pillar (132-3) by rotating the first bolt pillar (131-3) and the second bolt pillar ( 132-3) to move up or down to adjust the height and level of the road boundary stones (10, 10`).

The step S5 is a step of placing concrete in the space formed by the formwork (100, 100`). On the other hand, according to the conventional side construction method, a total of four stages of concrete pouring was required, but according to the side construction method of the present invention it is possible to complete the work in one concrete pouring.

In addition, the present invention is faster construction is possible by the construction of the side opening and the road boundary stone as described above, the formwork (100, 100`) and the concrete is integrated with the concrete to form the side by forming the side opening (10, 10) There is an advantage that dismantling of `) is not required.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

1 is a process chart showing a construction procedure of a conventional L-shaped side opening,

Figure 2 is a perspective view of the side PC PC formwork structure according to the present invention,

3 is a perspective view of a side PC for formwork according to the invention,

Figure 4 is a perspective view of the back side of the PC die for the side mouth according to the invention,

5 is a perspective view of the support means according to the present invention,

6 is a plan view showing a state that the road boundary stone is supported by the support means according to the present invention,

7 is an exploded perspective view of the first supporting means according to the present invention;

8 is a cross-sectional view showing the binding state of the support body and the cradle of the present invention,

9 is an exploded perspective view of a second support means according to the present invention;

10 is a perspective view of a binding member according to the present invention;

11 is a process chart showing a process sequence for constructing a side opening using a formwork structure according to the present invention;

12 is a cross-sectional view of the side port constructed using a formwork structure according to the present invention.

<Explanation of symbols for the main parts of the drawings>

(110), (110`): Side-side PC formwork (111): Body

(112): wire mesh (113): landfill

120: form tie (130): support means

(131): first support means (131a), (131b): prop

(131-1): first support body (131-1a), (131-1b): holding member

131-2: 1st holder (131-3): 1st bolt column

(131-4): first cap (131-5): handle for rotation

(132): second support means (132a): prop

(132-1): second support body (132-1a): holding member

(132-2): Second cradle (132-3): Second bolt pillar

(132-4): Second Cap (132-5): Rotating Handle

140: binding member

Claims (9)

A quadrangular plate-shaped body 111 having a rectangular structure extending in left and right side directions, a wire mesh 112 provided inside the body 111 to reinforce the strength of the body 111, and the wire. One or more buried pieces formed integrally with the mesh 112 and formed to protrude to the outside of the body 111 so as to be embedded in the concrete during the pouring of the concrete to strengthen the binding force between the body 111 and the concrete ( A pair of side PC PC dies (110,110`) consisting of 113); A plurality of form ties 120 connecting the two side PC dies 110 and 110 ′ so that the pair of side PC dies 110 and 110 ′ have an interval corresponding to the width of the side holes in a spaced apart state; The side PC PC formwork structure, characterized in that composed of the supporting means 130 which is assembled to any one of the side PC PC form 110 of the two side PC formwork (110, 110`) to support the road boundary stone from the bottom. The method of claim 1, Side-side PC formwork structure further comprises a binding member 140 is fitted to the lower end of the two side-wall PC formwork neighboring disposed in the lateral direction to bind the neighboring two side-wall PC formwork. The method of claim 1, wherein the support means 130, A first support means 131 assembled to the side PC formwork and having a pair of struts 131a and 131b supporting one end of the road boundary stone from the bottom; The second support means 132 is assembled to the side wall PC formwork so as to be spaced apart from the first support means 131, and provided with one support 132a for supporting the other end of the road boundary stone from the bottom. Side face PC formwork. The method of claim 3, wherein the first support means 131, A first support body 131-1 having a pair of strut members 131-1a and 131-1b vertically spaced apart from each other; One end is coupled to the first support body (131-1), the other end is assembled to the side door PC formwork to bind the first support body (131-1) and the side door PC formwork, the first support body (131-) A first cradle 131-2 fitted into the first support body 131-1 so that 1) may rotate in the vertical direction; A pair of first bolt pillars 131-3 screwed to the pair of strut members 131-1a and 131-1b, respectively, to adjust the height of the road boundary stone by being rotated and raised or lowered by the user; And Sidework PC formwork structure, characterized in that composed of the first cap (131-4) is assembled to the upper end of the first bolt pillar (131-3) in contact with the bottom surface of the road boundary stone. The method of claim 3, wherein the second support means 132, A second support body (132-1) having a vertically extending support member (132-1a); One end is coupled to the second support body 132-1, and the other end is assembled to the side PC body to bind the second support body 132-1 and the side PC body, but the second support body 132- A second cradle 132-2 fitted into the second support body 132-1 so that 1) may rotate in the vertical direction; A second bolt column 132-3 which is screwed to the support member 132-1a and adjusts the height of the road boundary stone by being rotated and raised or lowered by the user; And Sidework PC formwork structure, characterized in that composed of a second cap (132-4) is assembled to the upper end of the second bolt pillar (132-3) in contact with the bottom surface of the road boundary stone. The method according to claim 4 or 5, It is assembled to the first bolt pillar 131-3 and the second bolt pillar 132-3 so that the user can easily rotate the first bolt pillar 131-3 and the second bolt pillar 132-3. Sidework PC formwork structure, characterized in that it further comprises a rotating handle (131-5, 132-5). Four-sided plate shape having a rectangular structure extending in the left and right side direction, the side PC PC formwork having one or more buried pieces 113 to be embedded in the concrete when the concrete to form the side holes to strengthen the binding force with the concrete Prepare a plurality of (110), two of the prepared a plurality of side PC dies 110 for the side PC using the form tie 120 so as to have a distance between the corresponding to the width of the side hole. Binding the side PC dies to form the die structures (100, 100 ') (S1); Disposing the structures (100, 100`) formed through the step S1 in a series structure in a place where the side opening is to be constructed (S2); After the arrangement of the formwork structures 100 and 100 'is completed through the step S2, the first support body 131-1, the first cradle 131-2, the first bolt pillar 131-3, and the first cap ( 131-4, the first support means 131 having a pair of struts 131a and 131b, a second support body 132-1, a second holder 132-2, and a second bolt pillar ( 132-3) and the second cap 132-4, which is composed of a second support means 132 having one support 132a, is spaced apart from each other in a PC-form for side door to install a space for installing a road boundary stone. Forming step (S3); After the assembly of the first support means 131 and the second support means 132 is completed through the step S3, the step of placing a road boundary stone on top of the first support means 131 and the second support means 132 ( S4); And After the placement of the road boundary stone through the step S4 is completed, the side construction method comprising the step (S5) of placing concrete in the space formed by the formwork structure (100). The method of claim 7, wherein The method of claim 1, wherein in step S4 by rotating the first bolt pillar (131-3) and the second bolt pillar (132-3) to align the height and horizontality of the road boundary stone. The method of claim 7, wherein Side step construction method characterized in that the step of binding the lower end of the two side PC PC formwork (110) which is arranged adjacent to the side in the step S2 with the binding member (140).

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