KR101022841B1 - Wave pattern steel beam or cutting pattern steel beam having a temporary coffer dam - Google Patents

Abstract

PURPOSE: A coffer dam using wavy steel and bendable steel, which includes a supporter, a holder and a dam wall, is provided to secure stability by preventing the leakage and deformation on the connection part of dam walls. CONSTITUTION: A coffer dam using wavy steel and bendable steel comprises a foundation, a coffer dam wall supporter(20), a holder(30), and a coffer dam wall(40). The foundation is formed by pouring underwater concrete in the inner space of a form(2). The coffer dam wall supporter is built in the foundation and comprises a seating plate(21) and a stud bolt(22). The holder is installed on the soft rock of underwater to support both sides of the coffer dam wall support. The coffer dam wall is combined with the seating plate of the coffer dam wall supporter and is connected with a main fixing beam and a sub fixing beam.

Description

Temporary film using corrugated steel or bending steel {WAVE PATTERN STEEL BEAM OR CUTTING PATTERN STEEL BEAM HAVING A TEMPORARY COFFER DAM}

The present invention can be easily installed in the footing to be installed on the top of the pile foundation, the corrugated steel or bent steel to ensure structural stability by preventing the leakage of the joint wall of the temporary wall by external water pressure to prevent leakage It relates to the temporary barrier used.

The basic construction method of a waterborne structure using a conventional sheet pile is installed a plurality of sheet piles with a larger area than the basic area of the structure to be constructed. Then, in order to excavate the inner area formed by the sheet pile, a temporary containment tube is installed, and a predetermined length of the upper end of the sheet pile is cut. After that, expand the foundations and pillars, remove the clogs, and complete the basic construction of the water-based plants.

This sheet pile method is capable of driving to soft rock layers and can provide temporary facilities to secure dry spaces, but it requires a lot of working time and work process number due to the driving and drawing of multiple sheet piles. As the guide is necessary, the work becomes cumbersome, and the sheet pile recovered after the completion of construction is not reusable at other sites, and additional work is required when grouting construction is required for ordering, There is a problem that a perfect order is not achieved at the joint of the sheet pile and the sheet pile, and a lot of time and cost are required to secure watertightness.

The present invention has been made in order to solve the above problems of the prior art, the temporary clogging using a corrugated steel or bent steel so that the cross section of the wall of the temporary film is formed into a wavy or bent shape, the sub film on the inner wall of the wall By installing the main fixed beam which maintains its rigidity through the fixed beam, it is possible to use the corrugated steel or the bent steel to secure structural stability by preventing leakage from occurring due to deformation due to external water pressure. The purpose is to provide a cloak.

Means of the present invention for achieving the above object is to install a formwork supported by the support in the soft rock in the water, form a footing in the interior of the form and then the corrugated steel or bent steel is installed in the column In the temporary membrane used, the base portion is formed and filled in the inner space of the formwork; A buoyant double pedestal, which is embedded in the base part and has a seating plate formed at intervals between the through holes penetrating in the up and down directions, and the stud bolts are spaced vertically on both sides; A cradle mounted on the soft rock in the water to support both sides of the dual-use pedestal; The temporary membrane is coupled to the seating plate of the combined pedestal to block the inflow of external water into the footing, and the main fixed beam is installed at intervals in the horizontal direction on the inner wall, and both sides are coupled to the neighboring main fixed beam The sub-fixed beam connecting the main fixed beam is installed, and the temporary film is formed in a corrugated or bent cross section so that the bracing stiffness against external hydraulic pressure is generated.

Another means of the present invention for achieving the above object is installed on the soil layer in the water, and the upper part of the temporary film combined support pedestal to form a seating plate formed at intervals through which the through-hole penetrates; The temporary film is coupled to the seating plate of the combined pedestal, the base and the footing and the pillars are sequentially installed in the interior, to prevent the inflow of external water into the main fixed beam installed at intervals in the horizontal direction on the inner wall And a sub-fixed beam coupled to the main fixed beam adjacent to both sides to connect the main fixed beam, and the temporary film wall having a cross-section formed in a wave shape or a bent shape so as to generate a stiffness against external hydraulic pressure; And the support film is installed to have an inclination angle on the outer surface of the combined pedestal so that the temporary support beam supports the combined pedestal.

Another means of the present invention for achieving the above object is a pre-cast block is formed at intervals, through-holes through which the pile foundation is buried in the soil layer; A lower end portion is embedded in the precast block, and the upper end portion has a seating plate formed with a spaced through hole penetrating in up and down directions, and a temporary double wall support having stud bolts spaced vertically on both sides; The temporary film is coupled to the mounting plate of the combined pedestal to block the inflow of external water into the interior of the precast block, and the main fixed beam is installed at intervals in the horizontal direction on the inner wall, and both sides are coupled to the neighboring main fixed beam It is characterized in that consisting of; a temporary film is installed on the sub fixed beam connecting the main fixed beam wall.

The temporary clogging using corrugated steel or bent steel according to the present invention allows the cross section of the wall to form a corrugated or bent shape, and maintains the main fixed beam through the sub fixing beam on the inner wall of the wall. It is effective to secure structural stability by preventing the leakage of water by deformation due to external water pressure.

1 is a perspective view showing an exploded state of a temporary clogging using a corrugated steel or bent steel according to a first embodiment of the present invention.
2 and 3 are partial cross-sectional view showing the installation process of the temporary barrier using corrugated steel or bent steel according to a first embodiment of the present invention.
Figure 4 is a partial cross-sectional view showing an embodiment of the temporary shield using a corrugated steel or bent steel according to a first embodiment of the present invention.
5A and 5B are plan views showing embodiments of a temporary cladding wall applied to a temporary cladding using a corrugated steel or a bent steel according to the first, second and third embodiments of the present invention.
FIG. 6 is an exploded perspective view showing a coupling state of a temporary barrier combined pedestal and a temporary barrier wall applied to a temporary barrier using a corrugated steel or a bent steel according to the first, second and third embodiments of the present invention; FIG.
7 is a partial cross-sectional view showing an installation state of the temporary shield using a corrugated steel or bent steel according to a second embodiment of the present invention.
8A and 8B are partial cross-sectional views showing one embodiment of a temporary closure using corrugated steel or bent steel according to a second embodiment of the present invention.
9 is a partial cross-sectional view showing the installation state of the temporary shield using a corrugated steel or bent steel according to a third embodiment of the present invention.
10 is a partial cross-sectional view showing an embodiment of the temporary shield using a corrugated steel or bent steel according to a third embodiment of the present invention.
11 is a perspective view showing another embodiment of the temporary shield using a corrugated steel or bent steel according to a third embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be more apparent.

≪ Example 1 >

1 is a perspective view showing an exploded state of a temporary cladding using a corrugated steel or a bent steel according to a first embodiment of the present invention, Figures 2 and 3 is a corrugated steel or a bending steel according to a first embodiment of the present invention Figure 4 is a partial cross-sectional view showing the installation process of the temporary shield using, Figure 4 is a partial cross-sectional view showing an embodiment of the temporary shield using a corrugated steel or bending steel according to the first embodiment of the present invention, Figures 5a and Figure 5b is a plan view showing an embodiment of the temporary wall wall applied to the temporary film using the corrugated steel or bent steel according to the first, second and third embodiments of the present invention, Figure 6 is a view of the present invention It is an exploded perspective view showing the combined state of the temporary barrier double wall and the temporary barrier wall applied to the temporary barrier using corrugated steel or bent steel according to the first, second and third embodiments.

As shown in FIG. 1 to FIG. 6, the temporary cladding using the corrugated steel or the bent steel according to the present invention includes a base part 10, a temporary cladding base 20, a cradle 30, and a temporary clamding. The wall 40 is configured.

In order to install the temporary cladding using corrugated steel or bent steel according to the present invention, the formwork 2 is first installed in the soft rock underwater.

And the formwork (2) is filled with a base portion 10 so that the temporary film double stand 20 can be installed stably, the footing 5 is formed inside the formwork (2).

For example, the formwork (2) is to prepare two rectangular frame having a different size and then install a small rectangular frame inside the large rectangular frame to fill the base portion 10 between the formwork (2). Can be.

In the above-described base portion 10 may be formed by pouring / curing water concrete in the interior space of the formwork (2).

Here, filling the underwater concrete to form the base 10 between the formwork (2), and cast the concrete in the interior of the formwork (2), when constructing the footing (5) Since the side pressure generated from the concrete will be transferred to both sides of the formwork (2), the support (3) is installed on both sides of the formwork (2) to increase the stiffness against the side pressure transferred when the concrete is poured, and the phenomenon of filling the formwork (2) It is desirable to prevent the structure to ensure structural stability.

The base portion 10 may be constructed by pouring, curing the known underwater concrete or underwater inseparable concrete.

A total of four buried pedestal 20 is embedded in the base 10 so as to form a whole 'ㅁ' shape, and penetrates in the upper and lower directions to the upper end of the double pedestal 20 The through-holes 21a are formed at intervals, and the seating film is coupled to the lower end of the wall 40 to form a seating plate 21 for fixing the wall 40, and is installed at both sides at intervals in the vertical direction. The stud bolt 22 is protruded in the horizontal direction.

As the stud bolt 22 is cured together with the foundation part 10, the temporary cladding pedestal 20 increases the adhesion between the underwater concrete and the temporary cladding pedestal 20 to ensure stability.

The cradle 30 is installed on the soft rock in the water so as to support both sides of the dual purpose pedestal 20, so that the formwork (2) does not flow, and serves to stably support the formwork (2) during underwater concrete placement.

Four of the temporary barrier wall 40 is coupled to each of the seating plate 21 of the dual-use pedestal 20 to block the inflow of external water into the base 4 and the footing 5.

The temporary barrier wall 40 has a cross-section having a wavy or bent shape, and the main barrier beam 42 is provided at intervals in a horizontal direction on the inner wall of the temporary barrier wall 40 through a bracket B '. And a sub-fixed beam 43 coupled to the main fixed beam 42 adjacent to both sides to connect the main fixed beam 42, thereby preventing leakage caused by deformation of the joint by external water pressure. Structural stability can be secured.

In addition, the coupling film 41 is further formed on both ends of the temporary wall 40, the coupling blade 41 is bolted to the coupling blade 41 of the neighboring temporary film wall (40) ( Bolting coupling 80 may connect the temporary film to the wall 40.

In addition, when stacking the temporary wall 40 in multiple stages according to the height of the pillar 6 to be constructed, the through-hole 44a of the connecting frame 44 and the top of the temporary wall 40 By further coupling the laminated connection frame 45 through which the through hole 45a is formed at a corresponding position, the bolt B is sequentially installed through the through holes 44a and 45a, and then moved to the outside of the through hole 44a. Fastening the nut (N) to the exposed portion may couple the temporary wall 40 in multiple stages.

On the other hand, Figure 6 shows an embodiment for coupling the temporary wall (40) to the top of the seating plate 21 of the double wall of the temporary wall, as shown in FIG. The membrane is further coupled to the through-holes 21a and 44a by further coupling the connection frame 44 having the through-holes 44a formed at a position corresponding to the through-holes 21a of the seating plate 21 at the bottom of the wall 40. The bolt B is sequentially installed and the nut B is fastened to the bolt B protruding to the outside of the through-hole 21a so that the temporary barrier wall 40 of the temporary barrier double wall 20 can be installed. Can be combined on top

At this time, between the seating plate 21 of the temporary barrier double support 20 and the connecting frame 44 of the temporary wall 40 is connected to the seating plate 21 through the water guide ring 150 further. The external water may be blocked between the frames 44.

FIG. 4 illustrates another embodiment for coupling the temporary wall 40 to the top of the seating plate 21 of the dual wall 20, which is shown in FIG. On the edge of the (21) is formed a wall projecting vertically to have a height to the upper side, insert the temporary wall (40) in the central portion of the seating plate 21 and then inside the wall of the seating plate 21 The water film 50 and the fixing wood 60 may be sequentially stacked to allow the temporary film to fix both sides of the wall 40.

In addition, the index member 50 has a property of decreasing the penetration pressure and density when contacted with external water and expanding the volume by several to ten times when water is absorbed. In this way, the water absorbing material 50 expands in volume when water is absorbed, so that when the external water flows into the formwork 2, the water is expanded to block the external water that penetrates into the base portion 4 and the footing 5. Can be efficiently prevented from entering.

<Example 2>

7 is a partial cross-sectional view showing the installation state of the temporary shield using a corrugated steel or bent steel according to a second embodiment of the present invention, Figures 8a and 8b is a corrugated steel or bending according to a second embodiment of the present invention Partial cross-sectional view showing an embodiment of the temporary barrier using steel.

7, 8A and 8B, the temporary block using the corrugated steel or the bent steel according to the present invention is a double wall 20, the temporary wall 40, the support beam 90 It consists of).

7, 8A and 8B, the temporary shield using the corrugated steel or the bent steel shown in Figures 1 to 6, but the configuration of the temporary shield using the corrugated steel or bending steel shown in Figures 1 to 6, but there are some points Since there is a large difference in, here, the components of the temporary barrier using the corrugated steel or the bent steel shown in FIGS. 7, 8A and 8B will be briefly mentioned and only the differences will be described.

In order to install the temporary cladding using corrugated steel or bent steel according to the present invention, first, a total of four temporary cladding pedestals 20 are installed in the soil layer in the water so that the whole forms a 'ㅁ' shape. The temporary barrier wall 40 is installed on the upper end of the pedestal 20, and the support beam 90 is installed on the outer surface of the dual barrier pedestal 20.

Through-holes 21a penetrating in the upper and lower directions are formed at intervals on the upper end portion of the dual-use pedestal 20, which is combined with the lower end of the wall 40 to fix the temporary wall 40. The plate 21 is formed.

In addition, the water stop plate 100 is further installed on the inner wall of the dual-use pedestal 20 can effectively block the inflow of external water, the non-woven fabric 110 on the inner bottom surface of the dual-use pedestal 20 It is further installed to ensure the stability of the soil layer while preventing the loss of concrete when pouring concrete to construct the foundation (4).

A total of four of the temporary wall 40 is coupled to the seating plate 21 of the double wall 20, the base 4, the footing 5 and the pillars 6 are sequentially installed therein do. Since the temporary barrier wall 40 is the same as the temporary barrier wall 40 described in the first embodiment, a detailed description thereof will be omitted.

In addition, the base portion 4 may be constructed by pouring and curing well-known underwater concrete or underwater inseparable concrete.

The support beam 90 is installed on the outer surface of the double-sided support 20 to have a tilt angle with a plurality of intervals so as to stably support the double-sided support 20.

Inside the support beam 90, a cross section is formed in a triangular shape or a quadrangular shape, and one side of the reinforcing bar 91 is connected to the double wall pedestal 20, and the double wall pedestal 20 is provided. As the temporary film supports the wall 40 stably, the temporary film prevents bending / deformation of the wall 40, thereby ensuring structural stability.

If the place where the footing 5 is installed is a place where a lot of buoyancy is generated, the pile foundation 1 is installed in the soil layer in the water so as to penetrate the foundation part 4, and the upper part of the foundation part 4. On the outer periphery of the protruding pile foundation 1, the bottom of the buoyancy guard 120 is installed to be in contact with the upper surface of the foundation 4, thereby preventing the positive pressure, thereby preventing minute injuries of the foundation 4. have.

In addition, the pile connection band 130 is further coupled to the outer periphery of the pile foundation (1) located inside the base (4). Protrusions are formed radially on the outer circumference of the pile connection band 130 so that the positive pressure of the pile foundation 1 is evenly distributed on the foundation portion 4 so that the pile foundation 1 and the foundation portion 4 are formed. The pile foundation 1 can be stably settled by allowing it to be integrally behaved.

<Example 3>

9 is a partial cross-sectional view showing the installation state of the cladding using the corrugated steel or bent steel according to the third embodiment of the present invention, Figure 10 is a corrugated steel or bending steel according to a third embodiment of the present invention 11 is a partial cross-sectional view showing an embodiment of the temporary shield, Figure 11 is a perspective view showing another embodiment of the temporary shield using a corrugated steel or bent steel according to a third embodiment of the present invention.

As shown in FIGS. 9 to 11, the temporary barrier using the corrugated steel or the bent steel according to the present invention includes a support beam 90 and the temporary barrier wall 40.

The temporary clogging using the corrugated steel or the bent steel shown in FIGS. 9 to 11 is a temporary clogging using the corrugated steel or the bent steel shown in FIGS. 1 to 8A and 8B shown in Examples 1 and 2 and the same. Although not very different in configuration, there are significant differences in several points, so that here, the components of the temporary cladding using the corrugated steel or the bent steel shown in FIGS. 9 to 11 will be briefly mentioned and only the differences will be described. do.

As shown in FIGS. 9 to 11, the temporary block using the corrugated steel or the bent steel according to the present invention includes a precast block 140, a double wall pedestal 20, and a temporary wall 40. It is made up.

The precast block 140 is formed at intervals of the through hole 140a through which the pile foundation 1 installed in the soil layer is underwater, and is stably installed in the pile foundation 1 through the bracket B ″. do.

In addition, since the upper portion of the precast block 140 is coupled with the footing 5, the backing rebar 7 may be further embedded so that the coupling force between the precast block 140 and the footing 5 may be increased. It may be.

If the place where the precast block 140 is installed is a place where a lot of buoyancy is generated, the bottom surface of the pile foundation 1 protruding to the upper portion of the precast block 140 is the precast block 140. The buoyancy guard 120 in contact with the upper surface of the) can be further installed to prevent the injury of the precast block 140.

At this time, the bottom surface of the buoyancy guard 120 is installed on the outer periphery of the pile foundation (1) to abut the bottom surface of the precast block 140 to prevent the minute injury of the precast block 140 It is preferable.

In addition, since a portion of the precast block 140 is combined with the footing 5, the backing rebar 7 may be further embedded so that the coupling force between the precast block 140 and the footing 5 may be increased. have.

The temporary barrier double pedestal 20 is embedded in the lower end of the precast block 140, the through hole 21a penetrating in the upper and lower directions are formed at intervals and coupled with the lower end of the barrier wall 40 As a result, a mounting plate 21 for fixing the temporary wall 40 is formed, and stud bolts 22 provided at intervals in the vertical direction on both sides are formed to protrude in the horizontal direction.

As shown in FIG. 9, when the precast block 140 is light in weight, the temporary barrier double pedestal 20 is embedded in the bottom surface of the precast block 140, and as shown in FIG. When the cast block 140 is heavy, the temporary film can be stably supported on the wall surface protruding upward from the edge of the precast block 140, and the precast block 140 can be stably supported. 11 may be manufactured in various shapes as shown in FIG. 11, and in this case, the total of four parts are connected so that the entire double wall 20 and the temporary wall 40 form a 'ㅁ' shape. Combined.

An arrow shown in FIG. 11 is an arrow indicating that a portion of the precast block 140 is illustrated by cross-sectional processing.

In addition, when the temporary double wall 20 is buried in the bottom surface of the precast block 140, the stud bolt 22 is cured together with the bottom surface, the double wall 20 is a precast block When the stud bolt 22 is buried in the wall surface of the 140 is cured together with the concrete for forming the wall surface of the precast block 140, so that the temporary barrier double pedestal 20 ensures structural stability.

The temporary barrier wall 40 is coupled to the seating plate 21 of the temporary barrier double pedestal 20 to block the inflow of external water into the base portion 4 and the footing 5, the embodiment Since the temporary film described in 1 is the same as the wall 40, a detailed description thereof will be omitted.

7: power reinforcement 10: foundation
20: double wall stand 21: mounting plate
21a, 44a, 45a: Through hole 22: Stud bolt
30: cradle 40: faux wall
41: coupling blade 42: main fixed beam
43: sub fixed beam 44: connection frame
45: laminated connection frame 50: index material
60: fastening wood 80: connecting rod
90: support beam 91: reinforcement
100: index plate 101: nonwoven fabric
120: buoyancy guard 130: pile connection band
140: precast block 140a: through hole
150: degree index ring

Claims (13)

Corrugated steel or bending in which the formwork (2) supported by the support (3) is installed on the soft rock in the water, and the footing (5) is formed inside the formwork (2), and then the column (6) is installed thereon. In the temporary barrier using steel,
A base portion 10 formed by being filled in the inner space of the formwork 2;
The mounting plate 21 is formed in the upper portion of the base portion 10 and the through-hole 21a penetrating in the upper and lower directions at intervals is formed, and the stud bolts 22 are perpendicular to both sides. A temporary stopper combined support 20 installed at intervals;
Cradle 30 is installed on the soft rock in the water to support both sides of the temporary film combined support 20;
The temporary film is coupled to the seating plate 21 of the combined pedestal 20 to block the inflow of external water into the footing 5, the main fixed beam 42 is installed at intervals in the horizontal direction on the inner wall And, both sides are coupled to the neighboring main fixed beam 42 is connected to the sub fixed beam 43 is connected to the main fixed beam 42, the cross-sectional shape of the cross-sectional shape so that the bracing stiffness to the external hydraulic pressure is generated The temporary film formed in the shape of the wall (40); the temporary film using a corrugated steel or bent steel, characterized in that consisting of. It is installed on the soil layer in the water, and the upper end portion of the temporary film combined use pedestal 20 is formed with a seating plate 21 formed at intervals through which the through-holes 21a penetrate in the up and down directions;
The temporary film is coupled to the seating plate 21 of the combined pedestal 20, the base portion 4, the footing 5 and the pillars 6 are sequentially installed therein, to block the inflow of external water into the interior The main fixed beam 42 is installed at intervals in the horizontal direction on the inner wall, and the sub fixed beam 43 is coupled to the main fixed beam 42 adjacent to both sides to connect the main fixed beam 42. A temporary film wall 40 whose cross-section is formed into a wave shape or a bent shape so that a brace rigidity against external water pressure is generated;
Facade using a corrugated steel or bent steel, characterized in that consisting of; the beam is installed to have an inclination angle on the outer surface of the dual purpose pedestal 20, the support beam 90 for supporting the dual pedestal 20 The curtain. A through-cast hole 140a through which the pile foundation 1 embedded in the soil layer in water is formed at intervals, and a precast block 140 installed in the pile foundation 1;
A lower end is embedded in the precast block 140, and a seating plate 21 formed with a spaced apart through-hole 21a penetrating in the upper and lower directions is formed at the upper end, and the stud bolts 22 are perpendicular to both sides. A dual-use supporter 20 which is installed at intervals;
The temporary film is coupled to the seating plate 21 of the combined pedestal 20 to block the inflow of external water into the precast block 140, the main fixed beam 42 is installed at intervals in the horizontal direction on the inner wall 42 And a temporary film wall 40 having both sides coupled to the neighboring main fixed beam 42 to which the sub fixed beam 43 is connected to connect the main fixed beam 42. Or temporary cladding using bent steel. The method of claim 1,
On the edge of the seating plate 21 is formed a wall surface protruding vertically upwards, and inside the wall surface of the water barrier wall 40 by sequentially stacking the index member 50 and the fixing timber 60 A temporary film using corrugated steel or bent steel, characterized in that both sides are fixed. The method of claim 2,
The reinforcing bar 91 is further provided inside the support beam 90, the reinforcing bar 91 is a temporary film using a corrugated steel or bent steel, characterized in that the cross section is formed in a triangular or square shape. The method of claim 2,
The water stop plate 100 is further installed on the inner wall of the double wall 20 of the temporary film to prevent the inflow of external water, and the inner bottom surface of the double wall 20 of the temporary film prevents the loss of concrete during concrete pouring. The temporary cladding using corrugated steel or bent steel, characterized in that the woven fabric 110 is further installed to ensure the stability of the soil layer. The method of claim 2,
The foundation portion 4 is further installed through the pile foundation (1), the upper surface of the foundation portion 4 to prevent buoyancy is installed on the outer periphery of the pile foundation (1) protruding to the upper portion of the foundation portion (4) The base 120 is installed to prevent buoyancy of the foundation 4, and the pile connection band 130 is further coupled to the outer circumference of the pile foundation 1 located inside the foundation 4. The temporary film using corrugated steel or bent steel, characterized in that.
The method of claim 3, wherein
The temporary barrier double pedestal 20 is embedded in the bottom surface of the precast block 140 or embedded in the wall surface protruding upward from the edge of the precast block 140 using a corrugated steel or bending steel Cloak. The method of claim 3, wherein
On the bottom upper surface of the precast block 140 is installed on the outer periphery of the pile foundation (1) protruding to the upper portion of the precast block 140 to prevent buoyancy to prevent the injury of the precast block 140 Buoyancy guard 120 is a temporary shield using a corrugated steel or bending steel, characterized in that the installation further. The method according to any one of claims 1 to 3,
A coupling frame 44 having a through hole 44a formed at a position corresponding to the through hole 21a of the seating plate 21 is further coupled to the lower end of the temporary wall 40, and the connection frame 44 ) Is seated on the upper end of the seating plate 21, and then the bolts B are sequentially installed through the through holes 21a and 44a, and the nut B is fastened to the bolts B so that the temporary barrier wall 40 is formed. The temporary film using corrugated steel or bent steel, characterized in that the temporary film is coupled to the combined pedestal 20. The method of claim 10,
The upper part of the temporary barrier wall 40 is further coupled to the laminated connecting frame 45 through which the through-hole 45a is formed at a position corresponding to the through-hole 44a of the connecting frame 44, the laminated connecting frame The 45 is seated on the connecting frame 44, and then the bolt B is sequentially installed through the through holes 44a and 45a, and the nut B is fastened to the bolt B so that the temporary barrier wall 40 ) The temporary film using corrugated steel or bent steel, characterized in that to be coupled in multiple stages. 12. The method of claim 11,
Corrugated steel or bent steel, characterized in that the order index ring 150 is further interposed between the connecting frame 44 and the laminated connecting frame 45 and between the seating plate 21 and the connecting frame 44. Gaomak using. The method according to any one of claims 1 to 3,
Coupling blades 41 are formed at both ends of the temporary film wall 40 and extend in the horizontal direction, and the coupling blade 41 is connected to the coupling blade 41 of the neighboring temporary film wall 40. The temporary film using corrugated steel or bent steel, characterized in that the 80 is provided.

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