KR20200061161A - Mold for manufacturing precast concrete double wall standing and manufacturing method of precast concrete double wall using of the same - Google Patents

Abstract

The present invention provides a mold for manufacturing a standing precast concrete (PC) double wall and a manufacturing method of a standing PC double wall using the same, which can manufacture a wall in a standing position to increase rigidity and increase product precision and productivity. According to a proper embodiment of the present invention, the manufacturing method of a standing PC double wall comprises: a step of sequentially arranging a pair of wall end forms, a plurality of pairs of wall plate inside forms, and a pair of wall end forms on the upper surface of a form table from one side to the other side, wherein the forms in each pair are installed to face each other with a connection member installation space interposed therebetween; a step of inserting a form-integrated connection member between neighboring wall plate inside forms and installing the form-integrated connection member to be positioned in each connection member installation space; a step of installing left and right wall plate outside forms while leaving wall plate installation spaces of a constant width on both ends of the form-integrated connection member; a step of arranging wall reinforcing bars in inner wall plate installation spaces of the left and right wall plate outside forms; a step of pouring and curing concrete in the inner wall plate installation spaces of the left and right wall plate outside forms in which the wall reinforcing bars are arranged; and a step of removing the wall end forms, the plurality of wall plate inside forms, and the left and right wall plate outside forms.

Description

Mold for manufacturing PC double wall standing and a method for manufacturing a PC double wall on which a wall is built using the same{Mold for manufacturing precast concrete double wall standing and manufacturing method of precast concrete double wall using of the same}

The present invention relates to a mold for manufacturing a PC double wall and a method for manufacturing a PC double wall, in particular, a mold for manufacturing a PC double wall upright to increase the rigidity and increase the precision and productivity of a product by allowing the wall to be built up. And a method of manufacturing a PC double wall with a wall built using the same.

Recently, a PC double wall has been developed and used for large-scale underground exterior walls, mainly in semiconductor factories that require rapid construction and high quality. The double wall of PC is omitting the field work and formwork, so the range of use is widening due to the fast construction speed and stability. The general production method is to make one plate of the wall first, turn it over, and superimpose it on the other plate to integrate the two plates.

As the method of manufacturing and joining the double wall separately is made by lying on the upper and lower plates, the rigidity is weak, resulting in a lot of damage such as cracks on the member due to deformation when moving between the two, which increases workforce such as plastering and roughening, and ensures productivity and quality There are difficult disadvantages. In addition, since the upper and lower plates are manufactured separately, each mold is required and requires a lot of space. In addition, since the upper and lower plates are manufactured separately, there is a problem that requires a production period of 2 days.

Therefore, a method of manufacturing a PC double wall considering productivity and quality should be considered.

As a background technology of the present invention, Korean Patent Registration No. 10-1645538, a construction method of a double wall structure manufactured using a double wall and a double wall is proposed. This is after the first and second PC concrete walls are vertically placed on the upper part of the base concrete, and then the fixing parts of the triangular truss structure are installed on the inner surfaces of the first and second PC concrete walls, and the insertion and coupling parts are connected and fixed. Through this, it is intended to reinforce the rigid fixing force. However, the above-mentioned background art is to pre-fabricate the first and second PC concrete walls and then fix them after moving them in both directions, install a fixed part, and additionally install the formwork, then go through the curing process of pouring concrete into the interior of the first and second PC concrete walls. Therefore, there is a limit in that productivity is reduced due to a long production period.

Korean Registered Patent Registration No. 10-1645538

The object of the present invention is to provide a method for manufacturing a PC double wall erecting mold and a method for manufacturing a PC double wall with a wall using the same, so that the wall can be made upright to increase rigidity and increase the precision and productivity of the product. have.

The method for manufacturing a PC double wall in which a wall is erected according to a preferred embodiment of the present invention includes: a wall end formwork, a plurality of wall formwork formwork, a wall end formwork, and a pair of wall end formwork sequentially arranged on one side from the top of the formwork table. A step of installing a connecting material installation space to each other so as to face each other; Inserting an integral formwork connection member between the interior formwork of adjacent wallboards and installing the integral formwork connection material in each installation space of the connection material; A step of installing left and right wallboard outer formwork with a spaced wall panel installation space at both ends of the formwork-integrated connecting member; Reinforcing the wall reinforcement to the installation space of the inner wall plate of the left and right wall plate outer formwork; Pouring and curing concrete into the inner wall panel installation space of the left and right wall board outer formwork where the wall reinforcement is reinforced; It is characterized in that it is produced, including; step of demolding the wall formwork, a plurality of inner wall plate inner formwork and left and right wall plate outer formwork.

In addition, the formwork-integrated connecting material is characterized in that it is composed of a plurality of pipes are arranged side by side vertically and filled with reinforcement of reinforcement and concrete poured inside, and end steel plates joined to both ends of each pipe.

In addition, the formwork-integrated connecting material is characterized in that it consists of a truss reinforcing bar bent up and down in a zigzag form, an end steel plate joined to both sides of a truss rebar, and a first shear connecting material that is bonded to a plurality of end steel plates and synthesized in cast concrete.

In addition, the formwork-integrated connecting material is made of precast concrete and is composed of a connecting plate having a hole penetrated in the center, an end pillar integrated at both ends of the connecting plate, and a second shear connecting material compositely protruding from the end pillar. do.

In addition, when the PC double wall is demolded, the inner formwork inclination adjustment shaft connected to the inner formwork of the opposite wallboard is inclined to inwardly incline, and the outside formwork connected to the left and right wallboard outer formwork and the formwork table side is inclined. It characterized in that it further comprises the step of tilting the outer formwork of the left and right wallboard by adjusting the shaft to the outside.

On the other hand, the mold for manufacturing a PC double wall according to the present invention includes a formwork table supporting the PC double wall; A wall end formwork installed at a predetermined distance from each other on the upper surface of the formwork table; A plurality of inner wall plate dies which are positioned between the end dies of the wall and are perpendicular to the upper surface of the formwork table with mutually spaced intervals; A left and right wallboard outer formwork which is perpendicular to the upper surface of the formwork table at regular intervals from the wall formwork formwork; An internal formwork inclination adjustment shaft connected to the interior wall formwork so as to incline the interior wall formwork facing each other when the PC double wall is demolded; It characterized in that it comprises; the left and right wall plate external formwork inclined adjustment shaft; the other end is connected to the outer formwork of the left and right wall plate connected to the formwork table side so that the outer formwork can be tilted outward.

In addition, the inner die inclination adjustment shaft and the outer die inclination adjustment shaft is characterized in that the length is adjusted by including any one of a turnbuckle, a hydraulic jack, a screw jack.

According to a method for manufacturing a PC double wall erecting mold of the present invention and a method for manufacturing a PC double wall on which a wall is erected using the same, a plurality of one or more formwork integral connecting materials in which the produced PC double wall is disposed at regular intervals and two ends of the formwork integral connecting material It is composed and made of walls facing each other. At this time, since the wall has the characteristics of being erected, it can have great rigidity, and it is possible to produce a precise product compared to the conventional method of assembling the upper and lower plates.

In addition, the production period is shortened compared to the sequential pouring method of sequentially fabricating and integrating the outer wall or the bonding method of mechanically assembling and manufacturing a separately manufactured wall, and the production process is simplified because there is no heavy material transfer, thereby increasing productivity. It has the advantage of being able to.

The following drawings attached in the present specification are intended to illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention together with the detailed description of the present invention, so the present invention is only described in the accompanying drawings. It should not be interpreted as limited.
1 is a perspective view of a mold for manufacturing a PC double wall upright according to an embodiment of the present invention.
FIG. 2 is a plan view of FIG. 1;
3 is a cross-sectional view taken along line AA of FIG. 2;
4A to 4D are flowcharts of a method for manufacturing a PC double wall with a wall built using a mold for manufacturing a PC double wall stand according to an embodiment of the present invention.
Figure 5 is an exemplary view showing various forms of the formwork integral connection material applied to the present invention.
6A is a perspective view of a PC double wall manufactured according to an embodiment of the present invention.
6B is a plan view of FIG. 6A.
6C is a cross-sectional view taken along line BB of FIG. 6B.
7 is a side view of a PC double wall manufactured according to another embodiment of the present invention.
8 is a plan view of a PC double wall manufactured according to another embodiment of the present invention.

The present invention will be described in detail below with reference to the embodiments presented in the accompanying drawings, but the presented embodiments are illustrative for a clear understanding of the present invention and the invention is not limited thereto.

First, the mold 100 for erecting the PC double wall of FIG. 1 used for erecting and manufacturing the PC double wall 10 of FIG. 6A will be described.

As shown in FIGS. 1 to 3, the mold 100 for erecting a PC double wall is provided with a formwork table 12 supporting the PC double wall 10 to be manufactured. The formwork table 12 has a larger area than the bottom surface of the PC double wall 10.

On the upper surface of the formwork table 12, wall end formwork 14, 14a which are installed at a certain distance from each other is installed, and a plurality of wall plate inner formwork 16 is installed between the wall end formwork 14, 14a. . The plurality of wall plate inner formwork 16 is installed vertically on the upper surface of the formwork table 12 with a certain interval (G1).

The wall end formwork (14,14a) and the wall plate inner formwork (16) are fixedly installed with the lower end being in close contact with the upper surface of the formwork table (12).

Left and right wallboard outer molds 30 and 31 are installed vertically on the upper surface of the formwork table 12 at regular intervals G2 from the inner wallboard formwork 16.

In addition, the inner formwork inclined adjustment shaft 17 and the outer formwork inclination adjustment shaft 32 are provided to facilitate demoulding of the PC double wall 10. The inner die inclination adjustment shaft 17 is connected to both ends of the inner wall plate inner molds 16 and 16 so that the inner wall molds 16 and 16 facing each other can be inwardly inclined. In addition, the outer die inclined adjustment shaft 32 has one end on the left and right wall plate outer molds 30 and 31 so that the left and right wall plate outer molds 30 and 31 can be inclined to the outside. Connected to.

In this embodiment, both the inner die inclination adjustment shaft 17 and the outer die inclination adjustment shaft 32 are designed to be adjusted in length by a turnbuckle 19 screwed to a divided end, but a well-known turn buckle 19 ), the length may be adjusted by a hydraulic jack or a screw jack.

A method of manufacturing a PC double wall on which a wall is erected through the mold 100 configured as described above will be described.

First, as shown in FIG. 4A, the wall end formwork 14, the plurality of wall formwork formwork 16, and the wall end formwork 14a are sequentially arranged on one side from the top surface of the formwork table 12, but each pair of each other. It has a step of installing the connecting material installation space S1 to face each other.

Next, as shown in Figure 4b, the inner wall formwork (16 and 16) between the formwork integral connecting material 20 is inserted. Therefore, the formwork-integrated connection material 20 is located and installed in each connection material installation space S1.

In one form, the formwork-integrated connecting material 20 is arranged in parallel with a plurality of up and down as shown in Fig. 5 (a), each pipe filled with reinforced and poured concrete of the reinforcement 23 shown in Fig. 6c inside 201 and an end steel plate 202 joined to both ends of each pipe 201.

In another form, the formwork-integrated connecting material 20 is a truss rebar 201a that is bent up and down in a zigzag form as shown in Fig. 5(B), an end steel plate 202 joined to both sides of a truss rebar 201a, an end It may be composed of a first shear connecting material 203 that is bonded to a plurality of steel sheets 202 and is synthesized in pouring concrete. The first shear connecting material 203 may be a stud or a reinforcing bar.

In another form, the formwork-integrated connecting material 20 is made of precast concrete as shown in FIG. 5 (C), and has a hole 221a through the center, at both ends of the connecting plate 221 and connecting plate 221. It may be composed of an integral end post 222, a second shear connecting material 223 that is synthesized and protrudes from the end post 222. The second shear connecting material 203 may be configured by protruding studs or reinforced reinforcing bars.

Then, as shown in Figure 4c, the left and right wall plate outer formwork (30,31) is installed at both ends of the formwork-integrated connecting material (20) with a spaced wall installation space (S2) at regular intervals (G2).

Then, the wall reinforcement 21 is reinforced to the inner wall plate installation space S2 of the left and right wall plate outer molds 30 and 31.

Then, concrete is poured and cured into the inner wall plate installation space S2 of the left and right wall plate outer molds 30 and 31 where the wall reinforcing rod 21 is reinforced.

Next, as shown in FIG. 4D, the wall end dies 14 and 14a, a plurality of inner wall plate inner molds 16, and left and right wall plate outer molds 30 and 31 are demolded to remove the PC double wall 10 as shown in FIG. 6A. Can be produced.

Here, when the PC double wall 10 is demolded, the inner formwork inclined shafts 16 and 16, which are connected to the inner wall formwork 16 and 16 facing each other, are adjusted to incline the wall panel inner formwork 16 and 16 inward, and to the left , By adjusting the external formwork inclination adjustment shaft 32 connected to the right side wall plate outer formwork 30 and 31 and the formwork table 12 side, the left and right side wall plate outer formwork 30 and 31 can be tilted outward. . Therefore, the inner formwork inclined adjustment shaft 17 and the outer formwork inclination adjustment shaft 32 are adjusted to separate the inner and outer wall molds 16 and 16 and the left and right wall plate outer molds 30 and 31 from the walls 22 and 22. As a result, demoulding of the PC double wall 10 can be easily performed.

The PC double wall 10 manufactured as described above is synthesized at both ends of a plurality of formwork-integrated connecting materials 20 arranged at regular intervals as shown in FIGS. 6A to 6C, and wall parts facing each other ( 22,22). At this time, since the walls 22 and 22 have the characteristics of being erected, they can have great rigidity, and it is possible to produce a precise product compared to the conventional method of assembling the upper and lower plates.

In addition, the production period is shortened compared to the sequential pouring method of sequentially fabricating and integrating the outer wall or the bonding method of mechanically assembling and manufacturing a separately manufactured wall, and the production process is simplified because there is no heavy moving work, thereby increasing productivity. You can.

Meanwhile, according to the present invention, as shown in FIGS. 7 and 8, the PC double wall 10 may be manufactured to be inclined by either or both of the walls 22 and 22 facing each other. In addition, as shown in FIG. 8, the PC double wall 10 may be further installed and connected to the formwork-integrated connecting material 20 to reinforce the reinforcement material 25 for reinforcement after fabrication in the mold 100. The reinforcement material 25 may be installed through welding or bolting.

The present invention has been described in detail with reference to the presented embodiments, but those skilled in the art can make various modifications and modified inventions without departing from the technical spirit of the present invention with reference to the presented embodiments. will be. The present invention is not limited by such modified and modified inventions, but is limited by the appended claims.

14, 14a: wall end formwork
16: Wallboard interior formwork
17: Inner formwork adjustment shaft
20: integral formwork
30,31: Left and right wallboard exterior formwork
32: External formwork inclination axis

Claims (8)

On the upper surface of the formwork table 12, the wall end formwork 14, a plurality of wall formwork formwork 16, and the wall end formwork 14a are sequentially arranged, but a pair of connecting material installation spaces S1 are provided. Placing and installing to face each other;
Installing a formwork-integrated connecting material (20) for each of the connecting material installation spaces (S1) by inserting a formwork-integrated connecting material (20) between neighboring wallboard interior formwork (16 and 16);
Installing the left and right wall plate outer formwork (30,31) with the wall plate installation space (S2) of a predetermined distance (G2) at both ends of the formwork-integrated connecting member (20);
Reinforcing the wall reinforcement (21) to the inner wall plate installation space (S2) of the left and right wall plate outer formwork (30,31);
Pouring concrete into the inner wall plate installation space (S2) of the left and right wall plate outer formwork (30,31) on which the wall reinforcement (21) is reinforced;
The step of demolding the wall formwork (14,14a), a plurality of at least one wall plate inner formwork (16) and the left and right wall plate outer formwork (30,31); PC double wall wall is built characterized in that it is produced, including How to make. According to claim 1,
The formwork-integrated connecting material 20 is disposed vertically side by side in plural or more, each pipe 201 filled with reinforced reinforcement and poured concrete into the inside, and the end steel plate 202 joined to both ends of each pipe 201 Method for producing a PC double wall with a wall, characterized in that consisting of). According to claim 1,
The formwork-integrated connecting material 20 is joined to a plurality of truss rebars 201a that are bent up and down in a zigzag form, end steel plates 202 bonded to both sides of the truss rebar 201a, and end steel plates 202, which are joined in plural. A method of manufacturing a double wall PC built with a wall, characterized in that consisting of a first shear connecting material 203 is synthesized. According to claim 1,
The formwork-integrated connecting material 20 is made of precast concrete, has a through hole 221a in the center, a connecting plate 221, an end pillar 222 integral with both ends of the connecting plate 221, and an end pillar 222 Method of manufacturing a double wall PC built with a wall, characterized in that consisting of a second shear connecting material 223 is protruded is synthesized in. According to claim 1,
When the PC double wall is demolded, tilt the inner formwork (16 and 16) of the wallboard by adjusting the inner formwork inclination adjustment shaft (17) connected to the inner wall formwork (16 and 16) facing each other,
Tilting the left and right wallboard outer formwork (30,31) to the outside by adjusting the left and right wallboard outer formwork (30,31) and the outer formwork inclination adjustment shaft (32) connected to the formwork table (12); more A method of making a PC double wall with a wall, characterized in that included. Claims 1 to 6 PC double wall, characterized in that produced by the method of any one of claims. In the mold used to build the PC double wall 10 upright,
A formwork table 12 supporting the PC double wall 10;
A wall end formwork (14, 14a) which is installed at a predetermined distance from each other on the upper surface of the formwork table (12);
A plurality of wall plate inner molds (16) positioned between the wall end dies (14, 14a) and vertically standing on the upper surface of the formwork table (12) with mutually spaced gaps (G1);
Left and right wallboard outer formwork (30,31) standing vertically on the upper surface of the formwork table (12) at regular intervals from the wallboard inner formwork (16);
An internal formwork inclination adjustment shaft (17) connected to the wallboard interior formwork (16 and 16) so as to be able to incline the wallboard interior formwork (16 and 16) facing each other when the PC double wall is demolded;
The left and right wall plate outer formwork (30,31) so that one end can be tilted outwardly, the other end is connected to the left and right wallboard outer formwork (30,31) and the outer formwork inclined shaft (32) connected to the formwork table (12) side ; Mold for the production of PC double wall upright, characterized in that it contains. The method of claim 7,
The inner die inclination adjustment shaft 17 and the outer die inclination adjustment shaft 32 include a turnbuckle, a hydraulic jack, and a screw jack.

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