KR102079703B1 - Modular staircase and method of constructing the same - Google Patents

Abstract

Disclosed are a modular staircase and a construction method thereof. The disclosed modular staircase is pre-manufactured to be installed in the inside or the outside of a building and includes at least three kinds of staircase modules capable of self-standing without a separate support member and having different structures. Therefore, mass production can be implemented through modularization and a manufacturing cost can be reduced.

Description

Modular staircase and method of constructing the same

Modular staircases and construction methods thereof are disclosed. More specifically, a modular staircase including a plurality of staircase modules and a construction method thereof are disclosed.

In the case of the existing staircase work, the construction work involving steel frame, plastering and pavement is carried out in a narrow work space, including a stair work used as a moving passage, and the construction schedule is changed due to the interference between the works in many sections. There is a delay.

As such, the existing staircase room construction has a problem that it is difficult to secure the construction properties due to the nature that the complex construction must proceed simultaneously.

One embodiment of the present invention provides a modular staircase room comprising a plurality of staircase modules.

Another embodiment of the present invention provides a construction method of the modular staircase.

One aspect of the invention,

It is pre-fabricated and configured to be installed inside or outside the building, and provides a modular staircase including at least three staircase modules different in structure and capable of self-supporting without a separate supporting member.

The modular staircase may be at least a portion formed of precast concrete.

The modular staircase may include at least one of a landfill electrical facility and a landfill fire fighting facility.

The modular staircase may include a first staircase module, a second staircase module, and a third staircase module having different structures from each other.

The first staircase module, the second staircase module and the third staircase module each include a plurality of blocks independently selected from the group consisting of the following blocks, wherein the first staircase module and the second staircase module are It may essentially include the first block:

(1) a first block comprising integrally formed walls and landings;

(2) a second block having a planar cross section shaped like a "b";

(3) a third block having a "b" shaped flat cross section and having the same or different structure as said second block;

(4) a fourth block having a planar cross section of the shape of "1";

(5) a fifth block comprising a step plate;

(6) a sixth block having a planar cross section in the shape of a "c";

(7) a seventh block having a "C" shaped flat cross section and having a height higher than that of the sixth block and having no opening in the sidewall; And

(8) An eighth block having a height of a door-shaped opening formed in a flat cross-section and a sidewall having a letter 'C', and higher than the sixth block.

The fifth block may further include a toe board installed on the step plate.

The first block includes a first-first block having no opening in the sidewall and a 1-2 block having an opening in the sidewall, and the fifth block includes a step plate having the same or different structure. A 5-1 block and a 5-2 block may be included.

The first staircase module is a 1-1 block, a fourth block arranged to be in parallel with and in contact with the 1-1 block, a second block arranged to be in parallel and in contact with the fourth block, the first block A third block arranged parallel to and spaced apart from the second block, the first first block and an additional fourth block arranged to be in parallel with and in contact with the third block; A sixth block arranged to be in parallel with and in contact with the pair of fourth blocks; the first block stacked on the second block and the third block and arranged in parallel to and in contact with the pair of fourth blocks; A -2 block, a 5-1 block, one end of which is coupled to the landing of the first-first block, and one end of which is coupled to the landing of the first-first block, and the other end of which is coupled to the landing of the 1-2 block It may include the 5-2 block.

The second staircase module may include a first-first block, a fourth block arranged to be in parallel with and in contact with the first-first block, a sixth block arranged to be in parallel with and in contact with the fourth block, and the fourth block. An additional fourth block arranged in parallel with and in contact with the 1-1 block and the sixth block; an additional agent stacked on the first-first block and arranged in parallel with and in contact with the pair of fourth blocks; A sixth block, an additional first-first block stacked on the sixth block and arranged to be in parallel with and in contact with the pair of fourth blocks; a fifth-one end of which is coupled to the landing of the first-first block; The block and one end may include a 5-2 block coupled to the landing of the first-first block and the other end coupled to the landing of the additional first-one block.

The third staircase module may include a seventh block, a fourth block arranged to be in parallel with and in contact with the seventh block, an eighth block arranged to be in parallel with and in contact with the fourth block, and the seventh block; And an additional fourth block arranged in parallel with and in contact with the eighth block.

Each block includes a buried iron plate, two of the blocks in contact with each other may be combined by connecting the respective embedded iron plate with a separate connecting iron plate.

The buried iron plate and the connecting iron plate may be combined in at least one of a welding method and a screwing method.

The buried iron plate and the connecting iron plate may be finished by non-shrink mortar.

Each of the blocks includes a main reinforcing bar, and two of the blocks in contact with each other may be combined by connecting each of the main reinforcing bars.

Each of the main reinforcing bars may be finished with non-shrink mortar.

The modular staircase may further include a foundation supporting each of the staircase modules.

The base may include a plurality of vertical dowel bars.

Another aspect of the invention,

Placing a foundation comprising a plurality of vertical dowel bars;

Installing the modular staircase on the foundation; And

It provides a method of constructing a modular staircase comprising the step of injecting and curing the non-shrink mortar to the joint of the modular staircase.

The plurality of vertical dowel bars may be installed on a polygonal line.

The polygonal line may be a rectangular line.

Modular staircase according to an embodiment of the present invention has the following advantages.

(1) Mass production is possible through modularization, and manufacturing cost is reduced. In particular, when in-situ application becomes common, mass production of the same product is possible without the production of additional molds. In addition, by standardizing the staircase size in the initial design stage, it is possible to reduce the production cost by improving the mold recycling rate.

(2) It is possible to save manpower by minimizing field work. Specifically, by manufacturing the blocks constituting the individual staircase module made of precast concrete, pre-filling of electric / fire fighting facilities and toe boards can be carried out during the production of the plant, and thus the work force on site can be reduced by about 90% compared to the existing construction method. .

(3) It is possible to secure construction safety through wall independence. Specifically, the block of the staircase corner section is made in the form of "b" or "c" is possible to be self-supporting without the need of a separate support member. In addition, by integrating the stair wall and landing, it is possible to secure safety when installing the site. In addition, it is possible to minimize the installation of the scaffolding, and to make the individual staircase modules to be independent, it is possible to minimize the safety problems that can occur during work.

(4) The installation period can be shortened. Specifically, if the staircase room is installed on the actual site by steel frame, plastering and storage work, it takes about 2.3 months on average per stair room, but when applying the modular stair room of the present invention, it takes an average of 1.3 months per stair room An air shortening effect of about 1.0 months can be obtained.

1 is a perspective view of a modular staircase in accordance with one embodiment of the present invention.
2 is a partial cutaway perspective view of a modular staircase in accordance with one embodiment of the present invention.
3 is a view showing an extract of the first block of the first staircase module of FIG.
4 is a view showing an extract of the second block of the first staircase module of FIG.
FIG. 5 is a view showing an extract of a third block of the first staircase module of FIG. 1.
6 is a view showing an extract of the fourth block of the first staircase module of FIG.
FIG. 7 is a view illustrating an extract of the first block and the fifth block of the first staircase module of FIG. 1.
FIG. 8 is a diagram illustrating an extract of a first block and a sixth block of the first staircase module of FIG. 1.
9 is a view showing a first staircase module included in the modular staircase according to an embodiment of the present invention.
FIG. 10 is a view illustrating electrical equipment embedded in the first staircase module of FIG. 1.
FIG. 11A is an enlarged view of an embodiment of portion “A” of the first staircase room module of FIG. 9.
FIG. 11B is a view for explaining a horizontal joint bonding process of the portion shown in FIG. 11A.
FIG. 12A is an enlarged view of another embodiment of a portion “A” of the first staircase module of FIG. 9.
12B is a view for explaining a horizontal joint bonding process of the portion shown in FIG. 12A.
FIG. 13A is an enlarged view of an embodiment of part “B” of the first staircase room module of FIG. 9.
It is a figure for demonstrating the vertical joint bonding process of the part shown in FIG. 13A.
14A is a plan view of a modular staircase in accordance with one embodiment of the present invention.
14B is an elevational view of a modular staircase in accordance with one embodiment of the present invention.
FIG. 15A is an enlarged view of an embodiment of part “C” of the modular staircase of FIG. 14A.
FIG. 15B is a view for explaining a bonding process of the portion shown in FIG. 15A.
FIG. 16 is an enlarged view of an embodiment of portion “D” of the modular staircase of FIG. 14A.
FIG. 17A is an enlarged view of another embodiment of part “C” of the modular staircase of FIG. 14A.
FIG. 17B is a view for explaining a bonding process of the portion shown in FIG. 17A. FIG.
FIG. 18 is an enlarged view of another embodiment of part “D” of the modular staircase of FIG. 14A.
19 is a view for explaining the construction method of the first staircase room module included in the modular staircase room according to an embodiment of the present invention.

Hereinafter, with reference to the drawings will be described in detail the modular staircase according to an embodiment of the present invention.

In the present specification, "the modular staircase is prefabricated" means that the modular staircase is not manufactured and installed inside or outside the building according to the construction of the site, but is installed inside or outside the building after being manufactured in the factory. it means.

In addition, in the present specification, "stair room module" refers to one of a plurality of repeating units constituting the staircase as an assembly that is manufactured by being divided into a plurality of blocks and then assembled.

In addition, in this specification, "modular staircase" means a staircase composed of a plurality of staircase modules having different structures.

In addition, in the present specification, the "flat section" means the shape of the block shown in plan view.

In addition, in the present specification, the "stair plate" means a staircase structure including a supporter, a riser, and a step tread, but not including landing.

In addition, in this specification, "mirror symmetric structure" means that two contrasting objects are in a relationship with the real image and the mirror image.

Also in this specification, "high strength bolt" means a high strength bolt made of high tensile steel.

1 is a perspective view of a modular stair room 100 according to an embodiment of the present invention, Figure 2 is a partial cutaway perspective view of the modular stair room 100 according to an embodiment of the present invention.

1 and 2, the modular staircase room 100 according to an embodiment of the present invention is pre-fabricated in the factory is configured to be installed inside or outside the building. Therefore, it is possible to reduce the manpower and shorten the air by the construction of the movie system can reduce the cost and ensure the construction stability.

In addition, the modular staircase 100 according to an embodiment of the present invention can obtain the advantages of standardization, air shortening and cost reduction through modularization.

Modular staircase 100 according to an embodiment of the present invention includes at least three staircase modules (M1, M2, M3).

Each staircase module can be self-supporting without a separate support member. Therefore, it is not necessary to install and dismantle the facility, so that the manufacturing cost of the staircase can be reduced, the construction time can be shortened, construction stability and construction safety (reduction of dangerous work) can be improved.

Moreover, the at least 3 types of staircase modules M1, M2, and M3 differ from each other in structure.

Modular staircase 100 may be formed of at least a portion of precast concrete (precast concrete). For example, all blocks (ie walls, staircases and landings) that make up the modular staircase 100 can be formed of precast concrete. As such, by making at least a portion of the modular staircase 100 from precast concrete, there is no need to perform framing or partial finishing in the field, thereby improving workability.

In addition, the modular staircase 100 may include a landfill electrical facility (not shown) and / or a buried firefighting facility (not shown). For example, referring to FIG. 10, the modular staircase 100 is embedded in the first block 110 and / or the sixth block 160 for conduit conduits e, conduit connecting grooves g1 and for embedding. It may include a wire box (bx). Thus, by including the landfill electrical facility and / or landfill firefighting equipment to minimize the field work, it is possible to reduce the labor cost, and to minimize the interference between works. If the construction of electrical equipment and / or fire-fighting equipment is carried out at the site, not only the wall finish of the ceiling may be damaged, but the safety accident may be increased due to the simultaneous input of the composite work.

In addition, the modular staircase 100 may include a first staircase module M1, a second staircase module M2, and a third staircase module M3 having different structures from each other.

The first staircase module M1, the second staircase module M2, and the third staircase module M3 each include a plurality of blocks independently selected from the group consisting of the following blocks, and the first staircase module M1. The second staircase module M2 may essentially include the following first block (specifically, the 1-1 block 110). For example, the first staircase module M1, the second staircase module M2, and the third staircase module M3 may each independently include 0, 1, or 2 or more of the following blocks:

(1) first blocks (110, 110 ') including integrally formed walls and landings;

(2) a second block 120 having a planar cross section in the shape of a "b";

(3) a third block 130 having a planar cross section of a “b” shape and having a structure identical or different to that of the second block 120;

(4) a fourth block 140 having a planar cross section of a “1” shape;

(5) fifth blocks 150, 150 'comprising step plates;

(6) a sixth block 160 having a planar cross-section of the letter “C”;

(7) a seventh block 170 having a flat cross section having a “C” shape and having a height higher than that of the sixth block 160 and having no opening in the sidewall; And

(8) An eighth block 180 having a “-” shaped flat cross section and a door-shaped opening formed in the sidewall, and having a height higher than that of the sixth block 160.

Hereinafter, the first blocks 110 and 110 ′ to the eighth block 180 will be described in detail with reference to FIGS. 1 to 9 mainly together with other drawings.

FIG. 3 is a view showing an extract of a first block (specifically, 1-1 block 110) of the first staircase module M1 of FIG. 1, and FIG. 4 is a first staircase module M1 of FIG. 1. ) Is a view showing an extract of the second block 120, Figure 5 is a view showing an extract of the third block 130 of the first staircase module M1 of Figure 1, Figure 6 The fourth block 140 of the first staircase module M1 is shown and shown. FIG. 7 is a first block (specifically, the 1-1 block 110 of the first staircase module M1 of FIG. 1). )) And the fifth block (specifically, the 5-1 block 150) are illustrated and FIG. 8 is a first block (specifically, the first of the first staircase module M1 of FIG. 1). -1 block 110 and the sixth block 160 is a view showing an extract, Figure 9 is a first staircase module (M1) included in the modular staircase 100 according to an embodiment of the present invention The figure is shown.

First, referring to FIGS. 3 and 9, the first blocks 110 and 110 ′ may include the first-first block 110 and the first-second block 110 ′. The only difference between the first-first block 110 and the first-second block 110 'is whether an opening is formed in the sidewall. That is, the opening of the first-first block 110 is not formed in the sidewall as shown in FIG. 3, whereas the opening of the first-second block 110 ′ is formed in the sidewall as shown in FIG. 9. It is. In addition, the first-first block 110 may be disposed on the foundation 10. The base 10 may include a body 11 and a plurality of vertical dowel bars 12. In addition, the base 10 may be manufactured by simplifying the reinforcing bar installation structure in order to secure workability and minimize construction errors in consideration of the load transmitted to the entire modular staircase 100.

In particular, referring to FIG. 3, the first-first block 110 may include a body 111, a landing 112, and a main reinforcement 113. The body 111 includes three vertical walls disposed in a "c" shape, and the landing 112 is disposed to cover the upper portion of the body 111 and may be formed integrally with the body 111. The main reinforcement 113 not only strengthens the durability of the body 111, but also serves to strengthen the bonding force with other blocks (for example, the sixth block 160) as shown in FIG. .

The first block (110, 110 ') is configured in a "c" shape so that it can be installed without a separate support member during construction, the body (111, 111') (that is, the wall) and landing (112, 112 ') Since it is integrated, it is possible to secure construction convenience and structural stability at the same time due to the minimization of field work. If the wall and landing are separately manufactured and installed in the field, not only the reinforcement of the joint generated between the wall and the landing should be added, but also the field work must be added.

Referring to FIG. 4, the second block 120 may include a body 121 and a main reinforcement 122. Body 121 may include two vertical walls disposed in the form of "b". The main reinforcement 122 not only strengthens the durability of the body 121, but also serves to strengthen the coupling force with other blocks (eg, the 1-2 blocks 110 ') as shown in FIG. Do this. The second block 120 may have the same height as the first blocks 110 and 110 ′.

Referring to FIG. 5, the third block 130 may include a body 131 and a main reinforcing bar 132. Body 131 may include two vertical walls disposed in the shape of "b". The main reinforcing bar 132 not only strengthens the durability of the body 131, but also enhances the bonding force with other blocks (eg, the 1-2 blocks 110 ′) as shown in FIG. 9. Do this. In addition, the third block 130 may have a mirror symmetrical structure with the second block 120. However, the present invention is not limited thereto, and the second block 120 and the third block 130 may have different sizes, and thus, the second block 120 and the third block 130 may be mirror symmetric. It may not have a structure. When the third block 130 and the second block 120 are coupled to each other, as shown in FIG. 1, an entrance may be formed at one side. The third block 130 may have the same height as the second block 120 and the first block (specifically, the 1-1 block 110).

Referring to FIG. 6, the fourth block 140 may include a body 141 and a main reinforcing bar 142. The body 141 may include one vertical wall disposed in a “1” shape or may be the vertical wall itself. The main reinforcing bar 142 not only strengthens the durability of the body 141, but also can be understood from FIGS. 1 and 2, and the coupling force with other blocks (for example, another fourth block 140). It serves to strengthen. In addition, an additional fourth block 140 may be disposed to face each other to be spaced apart from the fourth block 140. The height of the fourth block 140 may be twice the height of the first block (specifically, the 1-1 block 110), the second block 120, or the third block 130. However, the present invention is not limited thereto, and the height of the fourth block 140 may include the height of the first block (specifically, the first-first block 110), the second block 120, or the third block 130. It may not be twice the height.

Referring to FIG. 7, the fifth block (specifically, the fifth-first block 150) may include a step plate. In addition, as illustrated in FIGS. 2, 14A and 14B, the fifth block 150 may include a fifth-first block 150 and a fifth-second block 150 ′. The 5-1 block 150 and the 5-2 block 150 'may have the same or different structures. In addition, as illustrated in FIG. 14B, the fifth blocks 150 and 150 ′ may further include toe plates 155 and 155 ′ installed on side surfaces of the staircase. Toe boards 155 and 155 ′ are pre-fabricated at the factory together with the staircase and then installed on the staircase to minimize welding work in the field.

Referring to FIG. 8, the sixth block 160 may include a body 161 and a main reinforcing bar 162. The body 161 includes three vertical walls arranged in a "c" shape, and the main reinforcing bar 162 not only strengthens the durability of the body 161, but also can be seen from FIGS. 1 and 2. , To strengthen the bonding force with another block (eg, the 1-1 block 110). The sixth block 160 may have the same height as the third block 130, the second block 120, and the first block (specifically, the 1-1 block 110). However, the present invention is not limited thereto, and the sixth block 160 is different from the third block 130, the second block 120, and the first block (specifically, the first-first block 110). May have a height.

Referring back to FIG. 1, the seventh block 170 may include a body 171 and a main reinforcing bar 172. The body 171 includes three vertical walls arranged in a "c" shape, and the main reinforcing bar 172 serves to strengthen the durability of the body 171. In addition, the height of the seventh block 170 is the height of the first block (specifically, the first-first block 110), the second block 120, the third block 130 or the sixth block 160. It can be twice. However, the present invention is not limited thereto, and the height of the seventh block 170 may be the first block (specifically, the first-first block 110), the second block 120, the third block 130, or the first block. It may not be twice the height of the six blocks 160.

Also, referring to FIG. 1, the eighth block 180 may include a body 181 and a main reinforcing bar 182. The body 181 includes three vertical walls arranged in a "c" shape, and the main reinforcing bar 182 serves to strengthen the durability of the body 181. In addition, the height of the eighth block 180 may be twice the height of the first blocks 110 and 110 ′, the second block 120, the third block 130, or the sixth block 160. In addition, the height of the eighth block 180 may be the same as the height of the seventh block 170.

At least a portion of the first blocks 110 and 110 ′ to eighth block 180 may be formed of precast concrete.

The first blocks 110 and 110 ′ to the eighth blocks 180 may be designed to be freely transportable without a separate support member, and to be easily transported using a tower crane and a hydro crane.

In addition, the first blocks 110 and 110 ′ to the eighth block 180 may be pre-fabricated in a factory to minimize field work.

<1st staircase module (M1)>

Hereinafter, the first staircase room module M1 will be described in detail with reference to FIGS. 1 and 9 along with FIGS. 2 and 7.

7 and 9, the first staircase room module M1 may include first blocks 110 and 110 ′ to sixth block 160.

First, the first-first block 110 may be disposed on the body 11 of the foundation 10, and may be disposed on a plurality of vertical dowel bars 12 installed on a polygonal (eg, rectangular) line. . For example, the 1-1st block 110 completely covers the dowel bars 12 installed on the first short side portion of the plurality of vertical dowel bars 12 installed on the rectangular line, It may be arranged to cover a portion of the dowel bars 12 provided in the second and third side portions of the long length.

The fourth block 140 may be disposed in a direction parallel to the first-first block 110 in a horizontal direction, and may be disposed to contact the first-first block 110 and narrow surfaces.

The second block 120 may be disposed in a direction parallel to the fourth block 140 in a horizontal direction, and may be disposed to contact the fourth block 140 with narrow surfaces.

The third block 130 may be disposed in a direction parallel to the second block 120 in a horizontal direction, and may be disposed to face the second block 120 and narrow surfaces to face each other.

The additional fourth block 140 is disposed in a direction parallel to the first-first block 110 and the third block 130, and narrowed with the first-first block 110 and the third block 130, respectively. Faces may be arranged to contact.

The sixth block 160 is stacked on the first-first block 110 and disposed in a direction parallel to the pair of fourth blocks 140, respectively, and narrowed with the pair of fourth blocks 140, respectively. Faces may be arranged to contact.

The second block 110 ′ is stacked on the second block 120 and the third block 130, and disposed in a direction parallel to the pair of fourth blocks 140 in a horizontal direction, wherein the pair of first Each of the four blocks 140 and the narrow surfaces may be disposed to contact each other.

Referring to FIG. 2, one end of the fifth block 150 is coupled to the landing 112 of the first-first block 110, and the other end is coupled to the body 11 of the base 10. Can be.

Also, referring to FIG. 2, one end of the fifth block 150 ′ is coupled to the landing 112 of the first-first block 110, and the other end of the second block 150 ′ is the landing of the second block 110 ′. It may be coupled to (112 ').

<2nd staircase module (M2)>

Hereinafter, the second staircase room module M2 will be described in detail with reference to FIG. 1 along with FIGS. 2 and 7.

First, the first-first block 110 may be stacked on the sixth block 160 of the first staircase module M1.

The fourth block 140 is stacked on the fourth block 140 of the first staircase module M1 and disposed in a direction parallel to the first-first block 110 in a horizontal direction, and the first-first block 110. ) And narrow surfaces may be in contact with each other.

The sixth block 160 may be disposed in a direction parallel to the fourth block 140 in a horizontal direction, and may be disposed to contact the fourth block 140 with narrow surfaces.

The additional fourth block 140 is disposed in a direction parallel to the first-first block 110 and the sixth block 160 and is narrow with the first-first block 110 and the sixth block 160, respectively. Faces may be arranged to contact.

The additional sixth block 160 is stacked on the first-first block 110 and disposed in a direction parallel to the pair of fourth blocks 140, respectively, with the pair of fourth blocks 140. Narrow faces may be arranged to contact each other.

The additional first-first block 110 is stacked on the sixth block 160 and disposed in a direction parallel to the pair of fourth blocks 140, respectively, and the pair of fourth blocks 140, respectively. Narrow faces may be arranged to contact each other.

Referring to FIG. 2, one end of the fifth block 150 is coupled to the landing 112 of the first-first block 110, and the other end of the fifth block 150 includes the second block 1-2 of the first staircase module M1. It may be coupled to landing 112 'of 110'.

Also, referring to FIG. 2, the 5-2 block 150 ′ has one end coupled to the landing 112 of the 1-1st block 110 and the other end landing of the additional 1-1 block 110. It may be coupled to (112).

<3rd stairwell module (M3)>

Hereinafter, the third staircase module M3 will be described in detail with reference to FIG. 1 along with FIGS. 2 and 7.

First, the seventh block 170 may be stacked on the sixth block 160 of the second staircase module M2.

The fourth block 140 is stacked on the fourth block 140 of the second staircase module M2 and disposed in a direction parallel to the seventh block 170 in a horizontal direction, and is narrow with the seventh block 170. It may be arranged to contact each other.

The eighth block 180 may be disposed in a direction parallel to the fourth block 140 in a horizontal direction, and may be disposed to contact the fourth block 140 with narrow surfaces.

The additional fourth block 140 is disposed in a direction parallel to the seventh block 170 and the eighth block 180 in parallel with each other, such that the seventh block 170 and the eighth block 180 are in narrow contact with each other. Can be arranged.

Hereinafter, with reference to FIGS. 9 and 11A to 13B, the interblock junction and the bonding process will be described in detail. Inter-block joints described below may be designed to satisfy the seismic characteristics in consideration of the seismic load.

<First Embodiment of Horizontal Joint Junction>

FIG. 11A is an enlarged view of an embodiment of part “A” of the first staircase room module M1 of FIG. 9. FIG. 11A (a) is an elevation view, and FIG. 11A (b) is a sectional view.

Referring to FIG. 11A, the horizontal joint portion of the “A” portion of the first staircase module M1 of FIG. 9 is the first wall W1, the second wall W2, the groove g2, and the buried iron plate P1. It may include a connecting iron plate (P2), weld (We), connecting bolt (b1) and non-contraction mortar (mt).

The first wall W1 and the second wall W2 may be arranged in parallel directions to each other, and may be disposed so that narrow surfaces thereof face each other.

The groove g2 may be formed in the first wall W1 and the second wall W2, respectively.

The buried iron plate P1 may be installed on the first wall W1 and the second wall W2, respectively.

The connecting iron plate P2 may be disposed to cover a portion of the buried iron plate P1 installed on the first wall W1 and a portion of another buried iron plate P1 installed on the second wall W2.

The welding part We may be formed by welding the edge portion of the connecting iron plate P2 and the corresponding portion of the buried iron plate P1.

The connecting bolt b1 may pass through the connecting iron plate P2 and the buried iron plate P1 to couple them to each other.

The non-shrink mortar (mt) may be filled in the groove g2 formed in the first wall (W1) and the second wall (W2) and then finished through a curing step. However, although not shown in the drawings, the gap between the first wall W1 and the second wall W2 may be plugged with a caulking material (for example, a fire caulking material) and a backing material, and may be plugged separately. It does not need to be filled with shrink mortar.

FIG. 11B is a view for explaining a horizontal joint bonding process of the portion shown in FIG. 11A.

First, referring to ① of FIG. 11B, the second wall W2 is moved toward the first wall W1.

Next, referring to ② of FIG. 11B, the second wall W2 is moved to align horizontally with the first wall W1, and then the connecting iron plate P2 is positioned and the bolt b1 is fastened. Specifically, the buried iron plate P1 provided on the first wall W1 and the second wall W2 is aligned with the groove g2 formed in the first wall W1 and the second wall W2, respectively. Thereafter, the connecting iron plate P2 is positioned to cover a portion of the embedded iron plate P1 installed on the first wall W1 and another portion of another embedded iron plate P1 installed on the second wall W2. Thereafter, the bolt b1 is fastened to penetrate through the connecting iron plate P2 and the buried iron plate P1.

Next, referring to (3) in FIG. 11B, the edge portion of the connecting iron plate P2 and the corresponding portion of the buried iron plate P1 are welded.

Next, referring to ④ of FIG. 11B, a formwork (not shown) is provided, and a non-shrinkage mortar is formed in a groove g2 formed in each of the first wall W1 and the second wall W2 ( mt) is filled and cured to finish.

Next, the formwork is removed.

Second Embodiment of Horizontal Joint Junction

FIG. 12A is an enlarged view of another embodiment of part “A” of the first staircase room module M1 of FIG. 9. FIG. 12A (a) is an elevation view, and FIG. 12A (b) is a sectional view.

Referring to FIG. 12A, the horizontal joint portion of the “A” portion of the first staircase module M1 of FIG. 9 may include a first wall W1, a second wall W2, a groove g2, and a buried iron plate P1. It may include a connecting iron plate (P2), high-strength bolt (b2) and non-contraction mortar (mt).

The first wall W1 and the second wall W2 may be arranged in parallel directions to each other, and may be disposed so that narrow surfaces thereof face each other.

The groove g2 may be formed in the first wall W1 and the second wall W2, respectively.

The buried iron plate P1 may be installed on the first wall W1 and the second wall W2, respectively.

The connecting iron plate P2 may be disposed to cover a portion of the buried iron plate P1 installed on the first wall W1 and a portion of another buried iron plate P1 installed on the second wall W2.

The high-strength bolt b2 may penetrate the connecting iron plate P2 and the buried iron plate P1 to couple them to each other.

In particular, referring to FIG. 12A (b), a shear key sk may be disposed between the first wall W1 and the second wall W2. The shear key sk may improve the bonding force between the first wall W1 and the second wall W2. The shear key sk is formed of the same material as the non-shrink mortar (mt) filling the upper portion of the connecting iron plate (P2) to fill the joint section generated between the first wall (W1) and the second wall (W2), irregularities in cross-section There is a bulb is formed during shrinkage mortar injection (mt) serves as a shear key.

The non-shrink mortar (mt) is cured after filling the gap between the first wall (W1) and the second wall (W2) as well as the groove (g2) formed in the first wall (W1) and the second wall (W2). It may be finished through the steps. In addition, although not shown in the drawings, the gap between the first wall W1 and the second wall W2 is to be plugged into a caulking material (inside the staircase: a fire caulking material, a staircase outside: a regular caulking material) and a backing material. Can be.

12B is a view for explaining a horizontal joint bonding process of the portion shown in FIG. 12A.

First, referring to ① of FIG. 12B, the second wall W2 is moved toward the first wall W1.

Next, referring to ② of FIG. 12B, the second wall W2 is moved to align horizontally with the first wall W1, and then the connecting iron plate P2 is positioned. Specifically, the buried iron plate P1 provided on the first wall W1 and the second wall W2 is aligned with the groove g2 formed in the first wall W1 and the second wall W2, respectively. Thereafter, the connecting iron plate P2 is positioned to cover a portion of the embedded iron plate P1 installed on the first wall W1 and another portion of another embedded iron plate P1 installed on the second wall W2. In addition, the horizontal joint portion may include a high-strength bolt insertion groove g3 penetrating through the connecting iron plate (P2), buried iron plate (P1) and the first wall (W1) (or the second wall (W2)).

Next, referring to ③ of FIG. 12B, the high-strength bolt b2 is fastened to penetrate the connecting iron plate P2 and the buried iron plate P1.

Next, referring to ④ of FIG. 12B, not only the groove g2 formed in each of the first wall W1 and the second wall W2 by installing a formwork (not shown), but also the first wall W1 and the first 2 Fill the gap between the walls (W2) with no shrinkage mortar (mt), then cure and finish.

Next, the formwork is removed.

<First embodiment of vertical joint junction>

FIG. 13A is an enlarged view of an embodiment of a portion “B” of the first staircase room module M1 of FIG. 9. 13A is a cross-sectional view.

Referring to FIG. 13A, the vertical joint portion of the “B” portion of the first staircase module M1 of FIG. 9 may include the first wall W1, the second wall W2, the non-shrink mortar mt and the backup material ( bu) and caulking material (ck).

The first wall W1 and the second wall W2 may be disposed in a direction perpendicular to each other, and may be disposed such that narrow surfaces thereof face each other.

The first wall W1 may include a main reinforcement st1 buried vertically thereto, and the second wall W2 may include a main reinforcement st2 buried vertically thereto.

The sleeve S may be installed inside the second wall W2. Such a sleeve S may have a hollow cylinder shape.

A portion of the main reinforcement st2 embedded perpendicular to the second wall W2 is located in the sleeve S, and a portion of the main reinforcement st1 embedded vertically in the first wall W2 is the sleeve S ) Can be located within. In detail, the main reinforcing bars st1 and the main reinforcing bars st2 may be disposed to face each other so that their ends face each other.

The non-shrink mortar (mt) may be filled in the gap between the first wall (W1) and the second wall (W2) as well as the inside of the sleeve (S).

The backing material bu and the caulking material ck serve to support the non-shrinkage mortar mt from escaping to the outside.

It is a figure for demonstrating the vertical joint bonding process of the part shown in FIG. 13A.

First, referring to ① of FIG. 13B, the second wall W2 is moved toward the first wall W1.

Next, referring to ② of FIG. 13B, the second wall W2 is moved to align vertically with the first wall W1. Specifically, the second wall W2 is moved toward the first wall W1 so that the main reinforcing bars st1 and the main reinforcing bars st2 face each other at adjacent positions.

Next, referring to (3) in FIG. 13B, after the mold d is installed in the gap between the first wall W1 and the second wall W2, the injection hole h1 formed in the lower portion of the second wall W2. Non-shrink mortar (mt) is injected into the gap between the first wall (W1) and the second wall (W2) as well as the inside of the sleeve (S) to fill with the non-shrink mortar (mt). Excess non-contraction mortar (mt) may be discharged to the outlet (h1) formed in the upper portion of the second wall (W2). Thereafter, the filled non-contraction mortar (mt) is cured and finished.

 Next, referring to (3) in Fig. 13A or 13B, after removing the formwork d, the caulking material ck and the backing material bu may be sequentially installed.

The first wall W1 and the second wall W2 described above are independently of each other among the bodies 111, 111 ′ of the first blocks 110, 110 ′ to the bodies 181 of the eighth block 180. It may be a wall included in any one body.

In addition, the main reinforcement st1 and the main reinforcement st2 described above are independently of each other, and the main reinforcement 182 of the main reinforcement 113 and 113 ′ to the eighth block 180 are independently of each other. It may be any one of the main reinforcing bar.

Hereinafter, referring to FIGS. 14A to 18, the junction between the landing and the step plate and the joining process will be described in detail.

14A is a plan view of the modular staircase 100 according to one embodiment of the present invention, and FIG. 14B is an elevation view of the modular staircase 100 according to an embodiment of the present invention.

Referring to FIGS. 14A and 14B, the first-first block 110 may include a body 111 and a landing 112. In addition, one end of the fifth-first block 150 may be coupled to the landing 112 in the "C" region, and one end of the fifth-second block 150 'may be coupled in the "D" region.

In particular, referring to FIG. 14B, the fifth-first block 150 and the fifth-second block 150 ′ may further include toenail plates 155 and 155 ′ provided on the staircases, respectively.

<First embodiment of step landing and step plate junction>

FIG. 15A is an enlarged view of an embodiment of part “C” of the modular staircase room 100 of FIG. 14A.

Referring to FIG. 15A, the junction of the “C” portion of the modular staircase chamber 100 of FIG. 14A is the landing 112, the fifth-first block 150 (specifically, the stair plate), the groove g4, the embedded steel plate (P1), the connecting iron plate (P2), the weld (We) and the non-shrink mortar (mt).

One end of the fifth block 150 may be configured to be seated on the landing 112.

The grooves g4 may be formed in the landing 112 and the fifth-first block 150, respectively.

The buried iron plate P1 may be installed in the landing 112 and the fifth-first block 150, respectively.

The connecting iron plate P2 may be disposed to cover a part of the buried iron plate P1 installed on the landing 112 and another part of the buried iron plate P1 installed on the fifth-first block 150.

The welding part We may be formed by welding the edge portion of the connecting iron plate P2 and the corresponding portion of the buried iron plate P1.

The non-shrink mortar (mt) may be finished by curing after filling in the gap between the landing 112 and the 5-1 block 150.

FIG. 15B is a view for explaining a bonding process of the portion shown in FIG. 15A.

First, referring to ① of FIG. 15B, the fifth-first block 150 is moved toward the landing 112.

Next, referring to ② of FIG. 15B, the 5-1th block 150 is moved and one end thereof is seated on the first landing 112, and then the connecting iron plate P2 is positioned to perform the welding operation. Specifically, with the grooves g4 formed in the landing 112 and the fifth-first block 150, respectively, the buried iron plates P1 installed in the landing 112 and the fifth-first block 150 are aligned. Afterwards, the connecting iron plate P2 is positioned to cover a portion of the buried iron plate P1 installed in the landing 112 and a portion of another buried iron plate P1 installed in the fifth-first block 150. Thereafter, the edge portion of the connecting iron plate P2 and the corresponding portion of the buried iron plate P1 are welded.

Next, referring to (3) in FIG. 15B, the formwork d is installed and the landing 112 and the fifth-1 as well as the grooves g4 formed in the landing 112 and the fifth-first block 150, respectively. Fill the gap between the blocks 150 without shrinkage mortar (mt) to cure and finish.

Next, the mold d is removed.

FIG. 16 is an enlarged view of an embodiment of part “D” of the modular staircase room 100 of FIG. 14A. Fig. 16A is an elevation view and Fig. 16B is a sectional view.

Referring to FIG. 16, the junction of the “D” portion of the modular staircase room 100 of FIG. 14A is the landing 112, the fifth-second block 150 ′ (specifically, the step plate), the groove g5, and the buried portion. It may include an iron plate (P1), connecting iron plate (P2) and the weld (We).

The fifth-second block 150 ′ may be configured such that one end thereof is seated on the landing 112.

The groove g5 may be formed in the landing 112 and the fifth-second block 150 ', respectively.

The buried iron plate P1 may be installed in the landing 112 and the fifth-second block 150 ', respectively.

The connecting iron plate P2 may be disposed to be in contact with both a portion of the buried iron plate P1 installed in the landing 112 and a portion of another buried iron plate P1 installed in the 5-2 block 150 ′.

The welding part We may be formed by welding a contact portion between the connecting iron plate P2 and the buried iron plate P1. After the welding operation, after forming a formwork (not shown) at the bottom of the junction of the 5-2 block 150 '(specifically, the stair plate) and the landing 112, the non-shrink mortar on the joint portion and the groove (g5) site Inject (not shown). After curing is completed, the mold is demoulded.

<Second embodiment of the step and joining the staircase plate>

FIG. 17A is an enlarged view of another embodiment of part “C” of the modular staircase room 100 of FIG. 14A. FIG. 17A (a) is an elevation view, and FIG. 17A (b) is a sectional view.

Referring to FIG. 17A, the junction portion of the “C” portion of the modular staircase room 100 of FIG. 14A is a landing 112, a fifth-first block 150 (specifically, a step plate), a groove g4, a buried iron plate (P1), connecting iron plate (P2), high-strength bolt (b2) and non-shrink mortar (mt) can be included.

One end of the fifth block 150 may be configured to be seated on the landing 112.

The grooves g4 may be formed in the landing 112 and the fifth-first block 150, respectively.

The buried iron plate P1 may be installed in the landing 112 and the fifth-first block 150, respectively.

The connecting iron plate P2 may be disposed to cover a part of the buried iron plate P1 installed on the landing 112 and another part of the buried iron plate P1 installed on the fifth-first block 150.

The high-strength bolt b2 may penetrate the connecting iron plate P2 and the buried iron plate P1 to couple them to each other.

The non-shrink mortar mt is filled in the gap between the landing 112 and the fifth-first block 150 as well as the grooves g4 formed in the landing 112 and the fifth-first block 150, respectively. It may be cured and finished.

FIG. 17B is a view for explaining a bonding process of the portion shown in FIG. 17A. FIG.

First, referring to ① of FIG. 17B, the fifth-first block 150 is moved to the landing 112.

Next, referring to ② of FIG. 17B, the 5-1th block 150 is moved to seat one end thereof on the first landing 112, and then the connecting iron plate P2 is positioned. Specifically, with the grooves g4 formed in the landing 112 and the fifth-first block 150, respectively, the buried iron plates P1 installed in the landing 112 and the fifth-first block 150 are aligned. Afterwards, the connecting iron plate P2 is positioned to cover a portion of the buried iron plate P1 installed in the landing 112 and a portion of another buried iron plate P1 installed in the fifth-first block 150. In addition, the junction part may include a bolt insertion groove g6 penetrating through the connecting iron plate P2, the buried iron plate P1, and the landing 112 (or the 5-1 block 150).

Next, referring to (3) in FIG. 17B, the formwork d is installed and the landing 112 and the fifth-1 as well as the grooves g4 formed in the landing 112 and the fifth-first block 150, respectively. Fill the gap between the blocks 150 without shrinkage mortar (mt) to cure and finish.

Next, the mold d is removed.

FIG. 18 is an enlarged view of another embodiment of part “D” of the modular staircase room 100 of FIG. 14A. (A) and (b) are sectional views observed from different angles, respectively.

Referring to FIG. 18, the junction portion of the “D” portion of the modular staircase chamber 100 of FIG. 14A is the landing 112, the 5-2 block 150 ′ (specifically, the step plate), the groove g5, and the buried portion. It may include an iron plate (P1), connecting iron plate (P2) and high-strength bolt (b2). After tightening the high-strength bolt, formwork (not shown) is installed at the bottom of the 5-2 block 150 '(specifically, the staircase plate) and the landing of the landing 112, and then contracted on the joint part and the groove g5. Inject mortar (not shown). After curing is completed, the mold is demoulded.

The fifth-second block 150 ′ may be configured such that a portion thereof is seated on the landing 112.

The groove g5 may be formed in the landing 112 and the fifth-second block 150 ', respectively.

The buried iron plate P1 may be installed in the landing 112 and the fifth-second block 150 ', respectively.

The connecting iron plate P2 may be disposed to be in contact with both a portion of the buried iron plate P1 installed in the landing 112 and a portion of another buried iron plate P1 installed in the 5-2 block 150 ′. For example, the connecting iron plate (P2) may have a side cross-section of the "b" shape and extend in one direction.

The high-strength bolt b2 may penetrate the connecting iron plate P2 and the buried iron plate P1 to couple them to each other. For example, the high-strength bolt (b2) has a side cross-section of the "b" shape and may include a high-strength bolt in the vertical direction and a horizontal high-strength bolt passing through the connecting iron plate (P2) extending in one direction.

Modular stair room 100 according to an embodiment of the present invention having the configuration as described above may be used as a temporary staircase, it may be used directly as the main staircase.

19 is a view for explaining the construction method of the first staircase room module M1 included in the modular staircase room 100 according to the embodiment of the present invention.

First, referring to FIG. 19A, a foundation 10 including a plurality of vertical dowel bars installed on a polygonal line (for example, a rectangle) at a site inside or outside a building is poured.

Referring next to FIG. 19B, a self-standing first-first block 110 is installed on the foundation 10 (specifically, on a vertical dowel bar) and a vertical view is provided. Adjust

Next, referring to FIG. 19C, a second block 120 configured to be self-supporting on the base 10 (specifically, on the vertical dowel bar) is installed and the vertical degree is adjusted.

Next, referring to FIG. 19D, a third block 130 configured to be self-supporting on the base 10 (specifically, on the vertical dowel bar) is installed and the vertical degree is adjusted.

Next, referring to FIG. 19E, the fifth-first block 150 and the fourth block 140 are sequentially installed on the base 10. Specifically, one end of the fifth block 150 is coupled to the landing of the first-first block 110 and the other end is disposed on the base 10. The fourth block 140 is installed on the vertical dowel bar. In this case, one end of the 5-1 block 150 is supported by the first-first block 110 and the other end is supported by the base 10 without a separate supporting member, so that it can be self-supporting. In addition, the fourth block 140 may be supported by the first-first block 110, the second block 120, and the fifth-first block 150 without any supporting member, and may stand on its own.

19 (b) to (e) described above can be all performed on the first day of construction.

Referring next to FIG. 19F, an additional fourth block 140 is installed on the foundation 10 (specifically, on the vertical dowel bar) and the fastening plate is joined to the connecting iron plate (ie, vertical joint bonding). Through the additional fourth block 140 is coupled to the first-first block 110 and the third block 120, respectively. In this case, the additional fourth block 140 may be supported by the first-first block 110 and the third block 120 without any supporting member, and thus may stand on its own.

Next, referring to FIG. 19G, the sixth block 160 is installed on the first-first block 110 (specifically, on the main reinforcing bar), and the fixed steel plate and the connecting iron plate are coupled to each other (ie, vertical joints). Bonding) and coupling the sixth block 160 with the first-first block 110, the fourth block 140, and the additional fourth block 140 through the coupling of the main reinforcement with the sleeve (that is, the horizontal joint bonding). do. In this case, the sixth block 160 is supported by the first-first block 110, the fourth block 140, and the additional fourth block 140 without a separate supporting member, so that the sixth block 160 can stand on its own.

Next, referring to FIG. 19 (h), the 1-2 blocks 110 ′ are installed on the second block 120 and the third block 130 (specifically, on the main reinforcing bar) and connected to the fixed steel plate. Through the coupling of the steel plate (ie, the vertical joint connection) and the coupling of the main reinforcement with the sleeve (that is, the horizontal joint connection), the 1-2 blocks 110 'are connected to the second block 120, the third block 130, Coupling with the fourth block 140 and the additional fourth block 140. In this case, the 1-2 block 110 ′ is supported by the second block 120, the third block 130, the fourth block 140, and the additional fourth block 140 without a separate supporting member. Independence is possible.

Next, although not shown in detail in FIG. 19H, the 5-2 block 150 'is provided. Specifically, as shown in FIG. 2, the 5-2 block 150 ′ has one end coupled with the landing of the 1-1 block 110 and the other end of the 1-2 block 110 ′. Combined with landing. In this case, the fifth-second block 150 'is supported by the first-first block 110 and the first-second block 110' without any supporting member, and thus can be freely supported.

All of the processes after FIG. 19 (f) may be performed on the second day of construction.

Next, referring to FIG. 19 (i), a form work and a shrinkage mortar injection work are performed to prevent the bonding site and the gap between the blocks. This can all be done on day 3.

Next, referring again to FIG. 19I, the injected non-contraction mortar is cured. This can be done on day 4.

As a result, the construction period of the first staircase module M1 is a total of four days, and the construction period of the entire modular staircase room 100 is about 1.3 months. Conventionally, when installing the staircase room by steel, wet and storage construction in the field takes about 2.3 months, the construction method of the modular staircase according to an embodiment of the present invention has an air shortening effect of about 1.0 months.

In addition, the construction method of the modular staircase room according to an embodiment of the present invention can be improved by constructing three types of staircase module having a simple structure repeatedly.

Although the preferred embodiments according to the present invention have been described above with reference to the drawings and the embodiments, these are merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. You will understand. Therefore, the protection scope of the present invention should be defined by the appended claims.

11, 111, 111 ', 121, 131, 141, 161, 171, 181: body
113, 113 ', 122, 132, 142, 162. 172, 182: Main reinforcing bars
10: Base 12: Vertical Dowel Bar
100: modular staircase 110, 110 ': first block
112, 112 ': landing 120: second block
130: third block 140: fourth block
150, 150 ': fifth block 160: sixth block
170: seventh block 180: eighth block
M1, M2, M3: Stair Module Modules g1 to g6: Grooves
e: Landfill conduit bx: Landfill conduit box
W1, W2: Wall P1: Landfill
P2: Connecting plate b1: Bolt for connecting plate
b2: high-strength bolt mt: non-shrink mortar
sk: shear key bu: backup material
ck: caulking material S: sleeve
st1, st2: main reinforcement h1, h2: hole
d: formwork

Claims (21)

A first staircase module, a second staircase module, which are prefabricated and configured to be installed inside or outside a building, are capable of self-supporting without a separate supporting member and each include a plurality of blocks independently selected from the group consisting of the following blocks. Including a third staircase module:
(1) a first block including an integrally formed wall and landing, comprising: a first block including a first-first block having no opening formed in the sidewall and a 1-2 block having an opening formed in the sidewall;
(2) a second block having a planar cross section shaped like a "b";
(3) a third block having a "b" shaped flat cross section and having the same or different structure as said second block;
(4) a fourth block having a planar cross section of the shape of "1";
(5) a fifth block including a step plate, the fifth block including a 5-1 block and a 5-2 block including step plates of the same or different structure;
(6) a sixth block having a planar cross section in the shape of a "c";
(7) a seventh block having a flat surface having a “C” shape and having a height higher than that of the sixth block and having no opening in the sidewall; And
(8) an eighth block having a “c” shaped flat cross section and a door-shaped opening formed in the sidewall, the eighth block having a height higher than that of the sixth block;
The fourth staircase module is the fourth block, the fourth block, the fourth block, the fourth block is arranged to be in parallel with the first-one block, the horizontal direction parallel to the first-one block and arranged to be in contact with the narrow surface The second block is arranged in a direction parallel to the block and arranged to be in contact with the fourth block and the narrow surface, the second block is arranged in a direction parallel to the second block, and the second block and the narrow surface facing each other The third block, the first-first block, and the third block, which are arranged to be spaced apart from each other, and are arranged in a direction parallel to each other, wherein the first-one block and the third block are arranged to be in contact with narrow surfaces, respectively. An additional fourth block, stacked on the first-first block, disposed in a direction parallel to the pair of fourth blocks, wherein the pair of fourth blocks are in contact with each other in narrow surfaces. Stacked on the sixth block, the second block, and the third block, the second block and the third block, and arranged in a direction parallel to the pair of fourth blocks, and arranged to be in contact with the pair of fourth blocks, respectively; The configured second block, the one end of which is coupled to the landing of the first-first block and the other end of which is configured of the fifth-1 block, and the one end of the first-one of the block The fifth-2 block coupled to the landing and the other end configured to be coupled to the landing of the 1-2 block;
The second staircase module is arranged in a direction parallel to the first-first block, the first-one block, and the fourth block, the fourth block is configured to be in contact with the narrow surface and the first-first block, the fourth block And the sixth block, the first-first block, and the sixth block, which are arranged in a direction parallel to the horizontal and arranged to be in contact with the fourth block and the narrow surfaces, and are arranged in a direction parallel to the sixth block. A further fourth block configured to be in contact with the block and the sixth block, respectively, in a narrow plane, stacked on the first-first block and disposed in a direction parallel to the pair of fourth blocks, wherein the pair of fourth An additional sixth block configured to be in contact with the blocks, each of which is in narrow contact with the block; a sixth block stacked on the sixth block and disposed in a direction parallel to the pair of fourth blocks, wherein the pair of fourth blocks And a further first-first block configured to be in contact with each other, and narrow surfaces, one end of which is coupled to the landing of the first-first block and the other end of the fifth-first block configured to be coupled to the landing of another adjacent staircase module. And the fifth block, wherein one end is coupled to the landing of the first-first block and the other end is coupled to the landing of the additional first-one block.
The third staircase module is disposed in a direction parallel to the seventh block, the seventh block, the fourth block, the fourth block configured to be arranged so as to be in contact with the seventh block and the narrow surface horizontally parallel to the fourth block The eighth block, and the seventh block and the eighth block and the seventh block and the eighth block are arranged in a horizontal direction parallel to the fourth block and the seventh block and the eighth block and arranged to be in contact with the narrow surface, respectively, Modular staircase comprising an additional fourth block configured to be placed in contact with the narrow sides. The method of claim 1,
The modular staircase is a modular staircase at least partially formed of precast concrete. The method of claim 1,
The modular staircase is a modular staircase including at least one of a buried electrical equipment and a fire fighting equipment. delete delete delete The method of claim 1,
The fifth block is a modular staircase room further comprises a toe board installed on the staircase. delete delete delete delete The method of claim 1,
Each block includes a buried iron plate, and two of the blocks in contact with each other is a modular staircase room coupled by connecting each of the buried iron plate with a separate connecting iron plate. The method of claim 12,
The buried iron plate and the connecting iron plate is a modular stair room coupled to at least one of the welding method and screwing method. The method of claim 12,
The buried iron plate and the connecting iron plate is a modular staircase room with a non-shrink mortar finish. The method of claim 1,
Each block includes a main reinforcing bar, two of the blocks in contact with each other modular staircase room coupled by connecting the respective main reinforcement. The method of claim 15,
The main reinforcing bar is a modular staircase finishing with non-shrink mortar. The method of claim 1,
Modular stairs further comprises a foundation for supporting each staircase module. The method of claim 17,
And the foundation includes a plurality of vertical dowel bars. Placing a foundation comprising a plurality of vertical dowel bars installed on a polygonal line at a site inside or outside a building;
Installing a first-first block including a wall and landing integrally formed as self-standing on the foundation and having no opening in the sidewall and adjusting verticality;
Installing a second block having a “b” shaped flat cross section configured to be self-supporting on the foundation and adjusting verticality;
Installing a third block having a “b” shaped flat cross section configured to be self-supporting on the foundation and having a structure identical to or different from that of the second block and adjusting verticality;
5. The step of sequentially installing a 5-1 block including a step plate and a fourth block having a "1" shaped flat cross section on the base, wherein the 5-1 block has one end of the 5-1 block. Engaging with the landing of the block and the other end disposed on the foundation, and the fourth block being installed on the vertical dowel bar;
Installing an additional fourth block on the foundation and combining the additional fourth block with the first-first block and the third block, respectively;
Installing a sixth block having a flat surface having a “C” shape on the first-first block, and combining the sixth block with the first-one block, the fourth block, and the additional fourth block; ;
A 1-2 block having openings formed in sidewalls is provided on the second block and the third block, and the 1-2 block is added to the second block, the third block, the fourth block, and the addition. Combining with a fourth block;
Installing a 5-2 block including a step plate of the same or different structure than the 5-1 block, the 5-2 block is coupled to the landing of the 1-1 block, one end of the 5-2 block The end is engaged with landing of the 1-2 block;
Performing a formwork and a shrinkage mortar injection operation to prevent the bonding site and the gap between the blocks; And
Construction method of the modular staircase comprising the step of curing the injected non-shrink mortar. The method of claim 19,
The plurality of vertical dowel bar is a construction method of a modular staircase room installed on a polygonal line. The method of claim 20,
The polygonal line is a rectangular staircase construction method of the construction method.

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