KR101826475B1 - Structure for supporting retaining wall of earth having polygonal framework - Google Patents

Abstract

The present invention can compensate for design and installation errors while ensuring a wide working space, and can be adjusted to various sizes according to the area of the ground, so that it can be applied to various construction sites, and the transportation, The present invention relates to an earthquake-resistant structural support unit having an easy horizontal polygonal structure. The earthquake-proof structural member is provided for preventing collapse of soil caused by earth pressure at the time of destruction of a subterranean structure, a wale band horizontally fixed along the inner surface of the earth retaining wall, A plurality of post files vertically arranged at positions corresponding to respective vertexes of a polygon designed in the interior of the earth retaining wall and a plurality of post files fixedly coupled to one surface of each of the post files facing the earth retaining wall through respective outer brackets A plurality of outer support beams, one end of each of which is connected and fixed to the wale, A plurality of inner support beams fixedly coupled to the other surface of each of the post files via respective inner brackets, and a plurality of inner support beams fixed to the outer surface of each of the inner support beams, And a plurality of horizontal polygonal struts connected in series so as to form a horizontal polygonal image while drawing a single closed curve on the top of the horizontal polygonal strut.

Description

[0001] STRUCTURE FOR SUPPORTING RETAINING WALL OF EARTH HAVING POLYGONAL FRAMEWORK [0002]

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a support structure of an earth retaining wall for supporting horizontal earth pressure due to underground excavation when constructing underground structures and underground structures.

Generally, when a building is constructed, a basement layer is constructed. In order to construct such a basement layer, an underground structure must be installed from the underground floor to the underground floor.

At this time, in order to descend to the deep underground, the earth retaining walls for preventing the collapse of the earth slope due to the earth pressure and the order grouting for blocking the ground water must be constructed. The construction of the retaining walls and grouting for the underground construction of such a building is referred to as temporary construction.

Among these temporary wall construction methods, there are fountain wall wall construction method, Soil Cement Wall (SCW) method, Diaphragm Wall method and CIP (Cast In Place Pile) method.

When the earth retaining wall is constructed by the earth retaining wall construction method, a support structure for supporting the earth retaining wall by the horizontal earth pressure is installed. Examples of the support structure method include an earth anchor method, a top down method, and a strut method.

The earth anchor method requires an area other than the ground area because the earth anchor is installed outside the ground surface of the ground, and the top down method has a problem that the construction period is very long. Strut method is widely used.

As shown in FIGS. 1 to 3, the strut method generally comprises horizontally installing a plurality of struts 20 in a lattice shape so as to support the horizontal earth pressure of the earth retaining wall 10 during the subterranean digging. The struts 20 are installed at regular intervals across the earth retaining walls 10 facing each other.

When the earth surface area is wide at the time of the subterranean digging work, the length of the strut 20 has to be long, so that the strut 20 is horizontally buckled downward due to its own weight. In order to prevent the strut 20 from buckling horizontally, a post file 30 is installed along the longitudinal direction of the strut 20. Since the post file 30 is installed vertically with respect to the strut 20 installed in the horizontal direction, the post file 30 has no relation to the horizontal earth pressure and supports the strut 20 such that the strut 20 supports the self- It only plays a role.

The strut supporting method according to the related art requires a large number of post files 30 as a plurality of struts 20 are horizontally installed in a lattice shape in order to support the horizontal earth pressure of the earth retaining wall 10 . Therefore, a large excavator or the like for underground excavation is difficult to enter by the strut 20, and a work space can not be ensured by the post file 30, which results in a problem that work efficiency is remarkably lowered.

In order to solve such a problem, a structure of a pertinent wall unit unit structure and a method of constructing it by a horizontal arcuate structural member of Patent Registration No. 10-0915099 is proposed. However, the conventional strut support structure using a horizontal arcuate structural member is constructed by connecting a plurality of arcuate structural members having arcuate or circular curvature radii and connecting the both ends. Although theoretically can be implemented, there is a problem have.

This is because both ends of each of the plurality of arcuate structural members having a certain radius of curvature can not be connected accurately, because the installation error in the construction site is large as well as the design error in the first design and the actual construction. Second, since a plurality of arcuate structural members having a specific radius of curvature have a circular or arcuate shape with a certain diameter, it is not possible to adjust the size depending on the area of the ground when digging a subterranean ground, thereby causing serious problems that can not be applied to various construction sites have. In order to achieve the third arcuate structure, the plurality of arcuate structural members are curved so as to have a radius of curvature, which is inconvenient in transportation and storage. Particularly, since each of the arcuate structural members is welded to each other, even if any one of the plurality of welded surfaces is twisted, There is a problem that it is almost impossible to do.

It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a method and a system for correcting design and installation errors, And a horizontal polygonal structure which is easy to carry, store and assemble.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments with reference to the accompanying drawings.

In order to accomplish the above object, according to the present invention, there is provided a perforated wall unit unit support structure having a horizontal polygonal structure, comprising: an earth retaining wall installed to prevent the disintegration of soil caused by earth pressure at the time of disposal of a subterranean wall; A plurality of postfiles vertically arranged at positions corresponding to respective vertexes of the polygon designed in the interior of the earth retaining wall body and a plurality of postfiles each of which is provided on one side of each of the postfiles facing the earthwashing wall body, A plurality of outer support beams fixedly coupled to each other via an outer bracket, a plurality of foundation struts each having one end connected to and fixed to the wale, and the other end fixedly coupled to each of the outer support beams, A plurality of inner support beams fixedly coupled to the respective other surfaces via respective inner brackets, And a plurality of horizontal polygonal struts connected in series so as to form a horizontal polygonal image while forming a single closed curve on each of the inner support beams.

Each of the horizontal polygonal struts may have a regular polygonal shape.

The connection control frame may include a connection adjustment frame fixedly installed on each of the inner support beams, and a connection adjustment frame provided on each of right and left sides of the connection adjustment frame, connecting a pair of the horizontal polygonal struts to each other, And a pair of connection adjustment portions capable of adjusting the connection length and angle.

Each of the connection adjusting portions includes an angle adjusting member whose one end is rotatably coupled to the connection adjusting frame with a vertical axis as a center of rotation and the other end is formed with a thread on an inner circumferential surface of a cylindrical shape, A length adjusting member screwed to the other end of the angle adjusting member so as to be pulled in and out from the other end of the length adjusting member; And a strut connecting member which is inserted and connected to be engaged with one end or the other end of the strut connection member.

In addition, the length adjusting member may include a plurality of grip protrusions formed radially on the outer circumferential surface.

The earth retaining unit unit support structure having a horizontal polygonal structure according to the present invention can secure a wide working space through a plurality of horizontal polygonal struts connected in series so as to form a horizontal polygonal shape while forming a single closed curve, It is possible to correct the design and installation error through the connection control part, and it can be adjusted to various sizes depending on the area of the land, so that it can be applied to various construction sites, and it is easy to carry, store and assemble.

FIG. 1 is a side cross-sectional view illustrating a subterranean disposal method according to a conventional grill type strut support system,
Figure 2 is a plan view of the embodiment of Figure 1,
FIG. 3 is a perspective view showing an earth retaining wall unit supporting structure having a lattice-like structure in the embodiment of FIG. 1,
FIG. 4 is a side cross-sectional view illustrating a subterranean digging process by a strut support system having a horizontal polygonal structure according to the present invention,
Figure 5 is a plan view of the embodiment of Figure 3,
FIG. 6 is a perspective view showing an embodiment of the securing structure of the perimeter wall structure unit having the horizontal polygonal structure in the embodiment of FIG. 4,
FIG. 7 is a perspective view illustrating a process of inserting a pair of horizontal polygonal struts on the left and right sides of the connection adjusting unit in the embodiment of FIG. 6,
FIG. 8 is a main part perspective view showing an enlarged view of the connection adjusting frame and the connection adjusting part in the embodiment of FIG. 7,
FIG. 9 is an exploded perspective view of the left connection adjusting part in the embodiment of FIG. 8,
FIG. 10 is a perspective view illustrating a process of inserting a horizontal polygonal strut into the right connection adjustment portion in the embodiment of FIG. 8,
11 is a perspective view illustrating a process of inserting a horizontal polygonal strut into the left connection adjustment portion in the embodiment of FIG. 10,
12 is a plan view showing a hexagonal structure by the earth retaining wall unit support structure having a horizontal polygonal structure according to the present invention,
FIG. 13 is a plan view showing a 20-angular structure of a perimeter wall unit unit support structure having a horizontal polygonal structure according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, a preferred embodiment of a retaining wall unit support structure having a horizontal polygonal structure according to the present invention will be described in detail with reference to the accompanying drawings.

4 to 13, the earthen block wall unit support structure having a horizontal polygonal structure according to the present invention includes an earth retaining wall 100, a wale band 200, a post file 300, an outer support beam 400, And may include a strut 500, an inner support beam 600 and a horizontal polygonal strut 700 and may further include a connection regulation frame 800 and a connection regulator 900. The connection adjusting unit 900 may include an angle adjusting member 910, a length adjusting member 920 and a strut connecting member 930. The length adjusting member 920 may include a holding protrusion 921 .

As shown in FIGS. 4 and 5, the earth retaining wall 100 is installed to prevent the collapse of the earth and sand due to the earth pressure at the time of disposal of the ground. (Not shown) for blocking the groundwater must be installed outside the earth retaining wall 100. The earth retaining wall 100 and the grouting for constructing the basement of the building are referred to as temporary construction. Among these temporary wall construction methods, there are pile clay wall construction method, Soil Cement Wall (SCW) method, Diaphragm Wall method, and CIP (Cast In Place Pile) method. Even if the method is used, the earth retaining wall 100 for preventing the collapse of the earth slope should be installed. When the earth retaining wall body 100 is constructed, a support structure for supporting the earth retaining wall body 100 by the horizontal earth pressure should be installed. In the case of the strut support system among the support structures, the wale band 200 is installed so as to connect the earth retaining wall body 100 and a basic strut 500 described later.

5 to 6, the wale band 200 is fixed horizontally along the inner surface of the earth retaining wall body 100. The wale band 200 is one of constituent members of the support structure and serves to uniformly receive the earth pressure acting on the earth retaining wall 100 and to transmit the ground pressure to the foundation strut 500 to be described later. The position of the wale band 200 is determined depending on the excavation depth of the earth retaining wall 100, but the vertical distance is approximately 2 to 3 m. The wale band 200 should be brought into close contact with the retaining wall 100 as much as possible. If a clearance is generated between the wale band walls 100, steel pieces, concrete, or mortar should be filled to prevent buckling.

As shown in FIGS. 3, 6 and 7, the post files 300 are vertically arranged at positions corresponding to respective vertexes of a polygon designed in the interior of the earth retaining wall body 100, respectively. For example, it is designed in a polygonal shape according to the area of the land to be destroyed at the subterranean level, and each of the plurality of postfiles 300 is installed vertically so as to be located at each designed vertex of the polygon. 12, each of the post files 300 is designed to be positioned at a position corresponding to a vertex of a hexagon, that is, a position of a connection control frame 800 Install vertically. In the case where the land area is wide, the post files 300 are designed in a twenty-angular shape as shown in FIG. 13, and each of the post files 300 is vertically installed at a position corresponding to each vertex of a bisecting shape. Since the post file 30 is vertically installed on the foundation struts 500 and the horizontal polygonal struts 700 to be installed in the horizontal direction, the postfiles 30 are independent of the horizontal earth pressure, and each of the struts 500 And supports the struts 500 and 700 while maintaining the weight of the struts 500 and 700 in the horizontal direction.

Firstly, in order to support the post strand 500 horizontally, the outer strut 500 needs an outer support beam 400 as shown in Figs. That is, a plurality of outer support beams 400 are fixedly coupled to one surface of each of the posts 300 facing the earth retaining wall 100 through respective outer brackets 410.

4 to 7, one end of each of the foundation struts 500 is connected and fixed to the wale band 200, and the other ends of the foundation struts 500 are disposed on each of the outer support beams 400 And is fixedly coupled.

The outer support beam 400 is coupled to the post file 300 through the outer bracket 410 and the outer support beam 400 is coupled to the outer support beam 400 by vertically installing the post files 300 at the vertexes of the hexagonal shape. And the base strut 500 is connected and fixed to the wale band 200. Accordingly, the horizontal earth pressure generated from the earth retaining wall body 100 is transmitted to the foundation struts 500 in the state where the post file 300 is installed for each vertex of the hexagonal shape, and is finally transmitted to each vertex of the hexagonal shape. The horizontal earth pressure transmitted to the vertexes of the hexagonal shape is dispersed by the horizontal polygonal stratum 700 to be described later to support the horizontal earth pressure of the earth retaining wall 100.

To support this horizontal polygonal stratum 700 horizontally, the inner support beam 600 as shown in Figures 6 and 7 is needed. That is, a plurality of inner support beams 600 are fixedly coupled to the other surfaces of the post files 300 via respective inner brackets 610.

4 to 7, the horizontal polygonal struts 700 are connected in series so as to form a horizontal polygonal shape while drawing a single closed curve on each of the inner support beams 600. [ A single closed curve refers to a closed figure having the same starting point and ending point when a point is drawn on a straight line or a curved line such as a polygon, a circle, an ellipse, etc. In the present invention, each horizontal polygonal strut 700 It is a structure that is connected in series.

When the plurality of horizontal polygonal struts 700 have a polygonal shape, it is designed and installed so as to have a regular polygonal shape as shown in FIGS. 5, 12 and 13. This is because, when the same force is applied in the horizontal direction from each vertex of the polygonal shape, it is necessary to design and install the polygonal image so that the same reaction force and the same force are generated in the front and rear direction and the left and right direction.

However, even if a plurality of horizontal polygonal struts 700 are designed to have a regular polygonal shape at the time of designing, it is difficult for each first horizontal polygonal strut 700 to have an accurate constant length (manufacturing error) Or the horizontal polygonal strut 700 (installation error). Accordingly, in order to serially connect the horizontal polygonal strut 700 to form a horizontal polygonal shape, the connection control frame 800 and the connection regulating unit 900 may be further included.

5 to 13, the connection control frame 800 is fixed on each of the inner support beams 600 and the connection control unit 900 is provided with a pair of connection control frames 800, And the connection length and angle of each of the horizontal polygonal struts 700 connected to the right and left sides can be adjusted by connecting each of the pair of horizontal polygonal struts 700 to the right and left.

More precisely, each of the connection adjusters 900 may include an angle adjusting member 910, a length adjusting member 920, and a strut connecting member 930 as shown in FIGS. 6 to 11.

One end of the angle regulating member 910 is rotatably coupled to the connection regulating frame 800 with the vertical axis as a center of rotation, and the other end of the angle regulating member 910 is threaded on the cylindrical inner circumferential surface. That is, since the one end of the angle regulating member 910 is rotatably coupled to the connection regulating frame 800, the angle can be adjusted according to the internal angle of the polygonal shape to be designed, and if necessary, So that the horizontal polygonal strut 700 can be connected. The other end of the angle regulating member 910 has a cylindrical shape and a thread is formed on the inner circumferential surface thereof, and the length regulating member 910 is configured to control the length in relation to the length regulating member 920 described later.

That is, the length adjusting member 920 is screwed to the other end of the angle adjusting member 910 such that one end thereof is pulled out from the other end of the angle adjusting member 920. Accordingly, one end of the length adjusting member 920 is drawn in or drawn out from the other end of the angle adjusting member 920 by rotating the length adjusting member 920 in the forward and reverse directions. The length adjusting member 920 is drawn out from the angle adjusting member 910 when the connecting length of the horizontal polygonal strut 700 is not sufficient and when the connecting length of the horizontal polygonal strut 700 is slightly long, 910 to adjust the connection length.

One end of the strut connection member 930 is rotatably coupled to the other end of the length adjusting member 920 in the longitudinal direction and the other end of the strut connection member 930 is connected to one end or the other end of the horizontal polygonal strut 700 Lt; / RTI > In other words, the length adjusting member 920 is rotated in the longitudinal direction to rotate in the forward and reverse directions, and is engaged or disengaged with the angle adjusting member 910 so that one end of the strut connecting member 930 is connected to the length adjusting member 920, And to be free to rotate in a state of being rotatably coupled with the longitudinal direction. In addition, the other end of the strut connecting member 930 has a structure to be inserted and joined so as to be connected to the horizontal polygonal strut 700. For example, when the horizontal polygonal strut 700 is an 'I' or 'H' shaped steel as shown in the drawing, one end or the other end of the horizontal polygonal strut 700 is inserted into the other end of the strut connecting member 930 '[]', Which is a corresponding cross-sectional shape to be combined and joined together. In addition, when the horizontal polygonal strut 700 is hollow or solid circular, annular, or rectangular, it may also be a larger or smaller circular or annular shape having a corresponding cross-sectional shape such that it can be inserted into the other end of the strut connection member 930 Square shape or the like.

The length adjusting member 920 is installed to be able to move in and out of the angle adjusting member 910 while rotating in the forward and reverse directions. That is, it is necessary to allow the operator to grasp the hand to rotate the length adjusting member 920. 6 to 11, the length adjusting member 920 may include a plurality of holding protrusions 921 protruding radially from the outer circumferential surface. Therefore, when the operator grips the holding protrusion 921 and rotates or rotates the length adjusting member 920 forward or backward, the length adjusting member 920 is pulled in or pulled out from the angle adjusting member 910 to form the strut connecting member 930 The connection length of the horizontal polygonal strut 700 connected to the horizontal polygonal strut 700 can be adjusted.

As described above, according to the present invention, the earth guard wall unit support structure having a horizontal polygonal structure can secure a wide working space through a plurality of horizontal polygonal struts 700 connected in series so as to form a horizontal polygonal shape while forming a single closed curve And can be corrected when a design and installation error occurs through the connection control frame 800 and the connection control unit 900. The design and installation error can be adjusted to various sizes according to the area of the ground, It is easy to carry, store and assemble.

The embodiments of the present invention described above and shown in the drawings should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art will be able to modify the technical idea of the present invention in various forms. Accordingly, such improvements and modifications will fall within the scope of the present invention as long as they are obvious to those skilled in the art.

100:
200: Wale
300: Post file
400: outer support beam 410: outer bracket
500: foundation strut
600: Inner support beam 610: Inner bracket
700: Horizontal polygonal strut
800: Connection adjustment frame
900: connection adjusting portion 910: angle adjusting member
920: length adjusting member 921: gripping projection
930: Strut connecting member

Claims (5)

A wedge which is installed horizontally along the inner surface of the earth retaining wall to prevent collapse of the earth by the earth pressure when the ground is destroyed; A plurality of post-files arranged vertically, and a plurality of outer support beams fixedly coupled to one surface of each of the post files facing the earth retaining wall via respective outer brackets, A plurality of inner support beams fixedly coupled to the other surface of each of the post files via respective inner brackets and a plurality of inner support beams fixedly coupled to the other surfaces of the post files via respective inner brackets, A plurality of numbers connected serially so as to form a horizontal polygonal shape while drawing a single closed curve on each of the beams Including multiple struts and
A connection adjustment frame fixedly installed on each of the inner support beams,
Further comprising a pair of connection adjusting portions which are respectively installed on the left and right sides of the connection adjusting frame and which connect the pair of horizontal polygonal struts to each other and can adjust the connection length and angle of each of the horizontal polygonal struts connected to the left and right, ,
Each of the connection regulating portions includes:
An angle adjusting member having one end rotatably coupled to the connection adjusting frame with a vertical axis as a center of rotation and the other end threaded on a cylindrical inner circumferential surface,
A length adjusting member screwed to the other end of the angle adjusting member so that one end thereof is pulled out from the other end of the angle adjusting member,
And one end of the strut connecting member is rotatably coupled to the other end of the length adjusting member in the longitudinal direction and the other end of the strut connecting member is inserted and coupled so as to be engaged with one end or the other end of the horizontal poly- Support structure with a horizontal polygonal structure.
The method according to claim 1,
Each of the horizontal polygonal struts comprises:
And a horizontal polygonal structure is provided to connect the upper and lower support structures so as to have a regular polygonal shape.
delete delete The method according to claim 1,
The length-
And a plurality of grip protrusions radially protruding from the outer circumferential surface of the retaining wall.

Images