KR101983650B1 - Perpendicular wall type block assembly breast wall - Google Patents

Abstract

The present invention relates to a vertical wall type block assembly retaining wall, including: a plurality of pillars installed by certain intervals; a plurality of blocks provided between the pillars; and a settling unit installed to provide prestress to the block in a longitudinal direction, thereby providing prestress to an excavated slope or a reinforced soil side, excluding a conventional base plate, providing stronger supporting force than expected soil pressure on a construction site, and minimizing the installation number of the pillar to reduce an installation cost of the pillar.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a wall-

The present invention relates to a retaining wall, more particularly, to a retaining wall, in which a foundation plate is excluded, a pile is inserted into a ground, and a precast panel is assembled and installed in a pillar, This makes it possible to optimize the cross section of the precast panel corresponding to the earth pressure while minimizing the number of support posts due to the precast panel inserted into the support, To a vertical wall retaining wall which is also developed to facilitate maintenance of vertical orientation of the wall.

Generally, the retaining wall is constructed on a naturally formed slope or an artificially formed slope, for example, an artificially generated slope due to road and railway construction. Such a retaining wall can be classified into a castle retaining wall and a cut-away retaining wall depending on the installation type. In this case, the castle retaining wall is to be constructed in the construction complex, and the cut-off retaining wall is constructed between the cut-off surface and the construction ground when the road is constructed or a part of the mountain is cut off.

In recent years, development of slopes and mountains has been actively carried out in order to newly establish roads and railways or to construct lands or papers according to the development of industries. Accordingly, Or various types of retaining walls for preventing collapse of slope slopes have been constructed.

The construction of the retaining wall is to construct the retaining wall structure along the excavation surface by erecting the ground with free slope or by installing the retaining wall as a temporary structure in order to prevent the paper boundary, obstacle, and deforestation on the backside. And the back surface of the retaining wall is backfilled with a backfill material including the reinforcing soil, and the posture of the retaining wall is disassembled.

Here, for example, a conventional retaining wall is disclosed in a prior art Korean Patent Registration No. 10-0576291 (registered on Mar. 26, 2006). Briefly, the H beams 10 are arranged at regular intervals, the panels 11 arranged between the H beams 10 and the reinforcing blocks 12 mounted on a part of the H beams 10 . At this time, the panel 11 is provided with a convex portion forming a curved surface in one direction. The reinforcing block 12 is formed to have a substantially C shape and is provided so as to surround a part of the H beam 10 exposed to the outside after the retaining wall is installed so that the reinforcing block 12 is exposed to the outside of the H beam 10 It is possible to improve the appearance while protecting the site.

Here, both side portions of the panel 11 are fitted to the abdomen of the H beam 10. That is, after the retaining wall is installed, a portion of the H beam 10 comes into contact with the reinforcing soil, and the other portion is exposed to the outside, thereby being rusted by exposure to moisture in the reinforcing soil or air. As a result, as the H beam 10 is used for a long time in a place or repeatedly used at various places, the use life is shortened and the supporting strength is gradually lowered.

Korean Patent No. 10-0576291 (2006.04.04 Announcement) Korean Registered Patent No. 10-0592420 (Bulletin of Jun. 28, 2006) Korean Patent No. 10-0946161 (Announced on Mar. 11, 2010) Korean Registered Patent No. 10-1274974 (Announced on June 17, 2013) Korean Registered Patent No. 10-1528302 (issued on June 11, 2015)

It is an object of the present invention, which is devised to solve the above-described problems, to provide a structure in which a block provided with a prestress between pillars spaced at regular intervals and a support member penetrating through the stacked blocks, And to provide a wall-type block-assembled retaining wall that minimizes the number of installed supports.

It is another object of the present invention to provide a block structure for a column, which is installed at regular intervals, and which blocks the gap between the blocks by an exponent so as to prevent the column from being blocked by moisture from reinforcing soil or air, And to provide a wall-type block prefabricated retaining wall.

According to an aspect of the present invention, there is provided a wall-mounted type block retaining wall according to the present invention, comprising: A plurality of blocks disposed between the struts, and a fusing unit installed to provide a prestress in the longitudinal direction of the block.

The fusing unit includes a sheath tube embedded in a planar longitudinal direction of the block, a stranded wire having both sides thereof exposed near the fitting plate through the sheath tube, a wedge plate sandwiched between the exposed strand and a wedge plate, The wedge segments may be provided with at least one of the wedge segments.

Also, the struts may be in the " H " shape with both flanges and abdomen.

And the block may be inserted between the flanges of the support on both sides of the front face, or may be fabricated to surround the support.

Here, the block may include a fitting protrusion for enclosing the support, a fitting groove provided between the fitting protrusion for accommodating the support, a mounting hole machined at the center with respect to the lengthwise direction, And a concave portion provided from both side portions to the convex portion.

Further, the block may further include a fitting plate embedded outwardly from the fitting groove so as to be fitted between the flanges of the legs. At this time, the flange of the support can be disposed between the fitting projection of the block and the fitting plate.

The support member may further include a support member arranged to penetrate and connect the stacked blocks through the mount to arrange the interlocking structure of the blocks or to support the earth pressure holding force on each block.

Further, it may further include a waterproof means for closing the gap between the blocks disposed adjacent to each other to surround the column.

Here, the waterproof means may include at least one of a sealing material, an index material, and a sealant disposed between the fitting protrusions of adjacent blocks.

Further, the present invention may further include a fastening means for fastening neighboring blocks to surround the strut.

Here, the fastening means includes an assisting fastening plate embedded in the fitting protrusion of the block, a fastening member fastened to the block with the fastening fastening plate on one side thereof while being connected to the fastening plates of the neighboring blocks, And a fastening member passing through the fastening plate and the fastening plate and fastened to the assisting fastening plate.

The blocks are disposed adjacent to each other so as to surround the strut, the waterproof means is closed between the adjacent blocks, and is injected into the space provided by the fitting grooves. The struts and the blocks are charged so as to have an interlocking structure And a filler.

As described above, according to the present invention, the blocks disposed between the struts are provided with a prestress on the cut slope or reinforcement soil side, thereby eliminating the conventional foundation plate, providing a bearing force stronger than the expected earth pressure of the site, It is possible to reduce the installation cost of the support by minimizing the installation number.

In addition, a support member is provided so as to connect the stacked blocks while penetrating through the stacked blocks, and the adjacent blocks are coupled by fastening means to provide the interlocked structure, thereby achieving the maximum dispersion effect on the applied earth pressure.

By arranging the block to surround the column and providing the waterproof means and / or the fastening means between the blocks, the column is surrounded by the block to prevent the moisture of the external space, cut slope or reinforcement from coming into contact with the column So that it is possible to improve the use life and supporting force of the support while preventing the rust of the support.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description, serve to further the understanding of the technical idea of the invention, Should not be interpreted.
1 is a perspective view schematically showing a conventional retaining wall.
2 is a perspective view schematically illustrating a wall-type block-assembled retaining wall according to a preferred embodiment of the present invention.
3 is a plan view showing the inside of the block shown in Fig.
4 is an enlarged perspective view of the " A " portion of the block shown in Fig.
5 is an enlarged cross-sectional view of the " B " region of the block shown in Fig.
6 to 8 show another embodiment of the block shown in Fig.
FIG. 9 is a cross-sectional view along the line AA of FIG. 2 showing enlarged engaging portions of the blocks. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the detailed description of known functions and configurations incorporated herein will be omitted when it may unnecessarily obscure the subject matter of the present invention.

<Configuration>

As shown in FIGS. 2 and 5, the wall-type block-type retaining wall according to the preferred embodiment of the present invention includes a column 100, a block 200, a support member 300, a fixing unit 400, 500, a fastening means 600 and a filler 700.

A plurality of pillars (100) are disposed at predetermined intervals in a place where a retaining wall is to be installed, and the pillars (200) can be installed so as to be fitted. The pillars 100 may be a substantially "H" shaped steel beam composed of the abdomen 120 connecting flanges 110 and flanges 110 on both sides of the plane.

First, the block 200 may be disposed between the struts 100 to support the slope of the cut slope or the soil of the reinforcing soil. At this time, the block 200 may be installed to surround the support 100 as shown in FIG. 2, or may be installed between the flanges 110 of the support 100 as shown in FIG. 5 and FIG. In addition, the block 200 may be preliminarily formed in a predetermined size and shape, and may be manufactured by further providing a prestress.

2 and 3, both sides of the block 200 in FIG. 2 may include a fitting protrusion 210 and a fitting groove 220 so that the pillars 100 are inserted and wrapped. As shown in FIG. 3, the block 200 has a mounting hole 230 for inserting the supporting member 300, a mounting hole 230 for mounting the mounting hole 230, And the concave portion 250 is formed between the convex portion 240 and the opposite side portions to reduce the weight and manufacturing cost. Here, the convex portion 240 and the concave portion 250 may be provided on both upper and lower sides of the plane, or may be provided only on one surface of the retaining wall opposite to the cut slope surface. The fitting protrusions 210 on both sides can be inclined so that the fitting operation of the struts 100 can be performed more smoothly, as shown in FIG. 5, with respect to one surface contacting the fitting groove 220.

The block 200 may further include a fitting plate 260. As shown in FIGS. 2 and 9, the fitting plate 260 is inserted between the flanges 110 of the "H" -shaped pillars 100 inserted into the fitting grooves 220, so that the fitting grooves 220 and the pillars 100 ) Can be smoothly maintained. 2 to 4, the fitting plate 260 protrudes outwardly from the fitting groove 220, and a substantially "C" shaped and clogged side portion is sandwiched between the flanges 110 of the strut 100, And the opposite side portion may be embedded in the block 200. The fitting plate 260 may be made of steel, FRP, or plastic so as to be in contact with the struts 100 and not to be damaged. One or more fitting plates 260 may be provided at a maximum height equal to the height of the block 200 and one or a plurality of the fitting plates 260 may be installed at a height smaller than the height of the block 200. The shape of the fitting plate 260 may be variously formed in a variety of shapes including a "? &Quot; or " 11 " shape in addition to a " .

2 and 3, the block 200 may be formed with a mounting hole 230 at a central portion in a plane. The mounting hole 230 can be machined so as to insert a support member 300 for reinforcing a supporting force for supporting the soil pressure of the cut slope surface or the reinforcing soil. That is, the mounting hole 230 may be formed so that the support members 300 are installed to pass through the blocks 200 stacked at the time of installing the retaining wall. Such a mounting hole 230 is machined to a portion provided with the convex portion 240 having a maximum width in plan view, so that the block 200 can sufficiently bear the earth pressure holding force of the supporting member 300. The support member 300 guides the strut 100 and the block 200 to be easily installed by penetrating and connecting the blocks 200 stacked up and down. It is possible to sufficiently distribute the earth pressure to the neighboring blocks 200. [

On the other hand, the support member 300 is a member for raising the earth pressure holding force of the block 200 disposed between the pillars 100. As shown in FIG. 2, the support member 300 is subjected to the greatest force applied to the intermediate portion, that is, the portion where the mounting hole 230 is provided, with respect to the longitudinal direction of the block 200 with respect to the earth pressure after the retaining wall is installed. The force can be dispersed to the maximum extent. The support member 300 may be any of various types of columns such as a column, a triangular column, a square column, a pentagonal column, or a hexagonal column. This support member 300 is installed through the uppermost block 200 in the lowest block 200 in the installed retaining wall and can be simply inserted or fastened to the block 200 in a bolt or screw connection manner. In addition, since the support member 300 is inserted into the mounting hole 230, the mounting hole 230 can be filled with the shotcrete, and the earth pressure applied to the block 200 is transmitted to the support member 300, The support member 200 and the support member 300 can work together.

Meanwhile, the fusing unit 400 may be installed to provide a prestress to the block 200. That is, as shown in FIGS. 3 to 5, the fusing unit 400 may be installed in the block 200 in order to raise the soil pressure that each block 200 can support. The fusing unit 400 may include a sheath tube 410, a strand 420, a wedge plate 430, and a wedge slice 440. On the other hand, the fusing unit 400 may have a known structure other than the structure of these members.

First, the sheath pipe 410 is a pipe into which the strand 420 is inserted. The sheath pipe 410 may be buried in the block 200 in the longitudinal direction.

The stranded wire 420 may be installed such that both ends of the stranded wire 420 pass through the sheath tube 410 and are exposed to the outside in the vicinity of the fitting plate 260 and pass through the wedge plate 430 and the wedge slice 440.

The wedge plate 430 may be disposed such that the end of the strand 420 passing through the sheath pipe 410 passes through the wedge plate 430. A threaded portion 431 is machined on the outer surface of the wedge plate 430 and the tensile force of the stranded wire 420 can be adjusted after the tensile machine is fastened to the threaded portion 431.

The wedge slice 440 is a member holding the strand 420. The wedge slice 440 can be installed so that the outer surface thereof is processed to be inclined and the strand 420 is firmly fixed in correspondence with the reverse sloped surface of the wedge plate 430.

Therefore, the block 200 is made convex to the cut slope or the reinforcing soil side in a plane, and the strand 420 is pulled and flattened and disposed between the struts 100, so that the opposite direction with respect to the earth pressure direction of the cut slope or the reinforcing soil And therefore, a stronger earth pressure can be supported.

Of course, the block 200 of FIG. 3 may be manufactured without the fixing unit 400 as shown in FIG.

7 and 8, both sides of the block 200 may be machined to fit between the flanges 110 of the struts 100. [ At this time, the both side portions may have a shape in which the fitting projection 210 and the fitting hole 220 are processed while excluding the fitting plate 260, and both sides may be flat on the plane as shown in the drawing. Both sides of the block 200 sandwiched between the flanges 110 are planarly flat on the upper, lower and side surfaces, and the middle portion connecting the both sides is a slope slope or a reinforcing soil side with a gently curved surface as shown in FIG. 7 Or may be manufactured in a refracted form as shown in FIG. The curved and curved block 200 is designed to maximally increase the supporting force against the earth pressure, and the fusing unit 400 may be installed or excluded as needed.

On the other hand, the waterproofing means 500 closes the gap between the blocks 200 arranged while surrounding the strut 100 as shown in FIG. 9, so that water contained in the cut slope or reinforcement soil on one side and air To block the inflow of water contained in the water. Accordingly, the waterproofing means 500 may include the sealant 510, the index material 520, and the sealant 530. For example, the sealing material 510, the index material 520, and the sealant 530 can both be adhered and applied to the cut slope or the gap on the reinforcing soil side, and only the sealing material 510 can be adhered to the opposite side gap. Of course, it can be attached and applied to both side gaps.

The sealing member 510 is disposed between the fitting protrusions 210 of the blocks 200 disposed on both sides to close the gap between the fitting protrusions 210 and to fix the gap between the fitting protrusions 210 To prevent breakage. The sealing member 510 is attached to the fitting protrusion 210 of one side block 200 disposed on the strut 100 and is inflated by moisture after the other side block 200 is disposed, Lt; / RTI &gt; For this purpose, the sealing member 510 may be any of a variety of expanding materials including a water expanding material, a water expansion index material, a large cret expanding material, a mortar expanding material, a CSA expanding material and the like. As shown in FIG. 5, the sealing material 510 closes the gap between the blocks 200, and a closed space in which the column 100 is inserted is provided between the blocks 200, The filling material 700 including the filler can be charged.

The index material 520 may be adhered to prevent moisture from entering the cut slope or the reinforcing soil through the gap between the fitting projections 210. The index member 520 may be attached to the fitting protrusion 210 of one of the blocks 200 and the other block 200 may be disposed to close the gap and to prevent the inflow of water together with the sealing member 510 . And the index material 520 may be disposed in a gap between one or both of the cut slope or the gap on one side and the opposite side on the side of the reinforcing earth.

The sealant 530 may be adhered or applied so as to close the gap between the fitting projections 210. [ The sealant 530 can be applied to close the gap after the blocks 200 are installed. And the sealant 530 may be applied to a gap in one or both of the cut slope or the gap on one side and the opposite side on the side of the reinforcing earth.

The sealant 510, the exponent 520 and the sealant 530 may be injected into the gap after the blocks 200 are installed, the sealant 510, the exponent 520, and the sealant 530 The sealing material 510 may be attached to the block 200 and the index material 520 and the sealant 530 may be injected outside the sealing material 510. [ Of course, the configuration of at least one of the waterproofing means 500 may be arranged in the longitudinal direction as well as thinly disposed between the blocks 200 stacked in the height direction.

As shown in FIGS. 4 and 5, the fastening means 600 is configured to couple the two side blocks 200 arranged to surround the column 100 to each other to prevent separation of each other by the concentrated earth pressure, 200 can be dispersed in the neighboring block 200. In this case, To this end, the fastening means 600 may include a fixing member 610, an auxiliary fastening plate 620, a fastening plate 630, and a fastening member 640.

The fixing member 610 is a member for raising the clamping force of the auxiliary clamping plate 620 in the buried state. The fixing member 610 may be a steel wire or a steel plate having a certain length while being embedded in the block 200, and may have one or more than two, and the auxiliary fastening plate 620 may be firmly attached to one end portion thereof. This fixing member 610 may be excluded as the case may be.

The auxiliary fastening plate 620 is a member fixed in the block 200 through the fastening plate 630 and the fastening member 640 outside the block 200. The auxiliary fastening plate 620 may be manufactured by machining a fastening hole having a threaded inner surface for fastening with the fastening member 640, or by attaching a bolt through the fastening plate 620. And the auxiliary fastening plate 620 can be positioned at the fitting protrusions 210 at both side ends of the block 200. [ Further, the auxiliary clamping plate 620 may be formed after the completion of the block 200 and attached to the bottom surface, and the groove may be filled with a material such as cement, concrete, or the like containing shotcrete.

The clamping plate 630 is a member that is in close contact with the outer surface of the block 200 and is coupled to the clamping plate 620 inside the block 200 through the clamping member 640. The fastening plate 630 includes an auxiliary fastening plate 620 embedded in the fitting protrusion 210 of the one block 200 and a fastening plate 620 fastened to the other fastening block 620 so as to fasten the fitting protrusions 210 of the blocks 200, 200 and the auxiliary clamping plate 620 embedded in the clamping protrusion 210 of the main body 200. The fastening plate 630 arranged in this way can be fastened to the auxiliary fastening plate 620 of the one block 200 and the auxiliary fastening plate 620 of the other block 200 through the fastening members 640.

Therefore, the fastening means 600 is configured such that two neighboring blocks 200 arranged to surround one strut are firmly fixed by the fixing member 610, and the phenomenon that the blocks 200 are opened is minimized, It is possible to suppress the adhesion to such an extent that the sealant 510, the index material 520, and the sealant 530 are broken. The fastening means 600 may be configured to couple the longitudinal side blocks 200 arranged to surround the pillars 100 or to couple the blocks 200 in the vertical and horizontal directions.

5, when two blocks 200 are arranged to surround one strut and the gap between the two side fitting protrusions 210 is closed by the sealing material 510, A closed space composed of the fitting grooves 220 is provided in a state where the battery 100 is inserted, and is a material for filling the closed space. The filling material 700 is a material which is injected into a closed space and can be hardened when a predetermined time elapses, and may be shotcrete or made of various materials such as cement and concrete. And one block 100 and two blocks 200 arranged to surround the pillars 100 by the fitting plate 260 and the waterproofing means 500 and the fastening means 600 together with the filling material 700 Are strongly tightly adhered to and joined with each other, whereby the earth pressure can be effectively dispersed when concentrated in any one place or when more earth pressure is provided.

As described above, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is defined by the appended claims, rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and equivalents of the claims are to be construed as being included within the scope of the present invention do.

100: holding
110: flange 120: abdomen
200: Block
210:
220: fitting groove 230: fitting hole
240: convex portion 250: concave portion
260:
300: support member
400: fusing unit
410: Shuzu pipe 420: Stranded wire
430: wedge plate 431: threaded portion
440: Wedge intercept
500: Waterproofing means
510: Sealing material 520: Index material
530: Sealant
600: fastening means
610: Fixing member 620: Auxiliary fastening plate
630: fastening plate 640: fastening member.
700: filler.

Claims (8)

On the retaining wall,
A plurality of pillars (100) installed at regular intervals;
A fitting protrusion 210 protruding transversely at the upper and lower portions of both sides of the plane on the level of being disposed between the pillars 100; a fitting groove 220 formed in a plane concave between the fitting protrusions 210; , And a fitting plate (260) which is located in the plane fitting groove (220) and is mounted so as to provide a closed space by projecting the central portion in the lateral direction while both side portions are buried, and the pair of pillars (100) A plurality of blocks (200) arranged in a direction to face each other and arranged in a plane so as to face each other, the fitting grooves (220) surrounding the pillars (100)
Is inserted into the closed space provided by the fitting plate 260 together with the space provided between the fitting grooves 200 of the block 200 facing each other and the central portion of the fitting plate 260 protruded, And a filler (700) filled to fill the cavity.
The method of claim 1,
The pillars 100 are in the " H " shape with both flanges 110 and abdomen 120,
Characterized in that the fitting plate (260) is " C " shaped and the protruded intermediate portion is disposed between the flanges (110).
3. The method according to claim 1 or 2,
The block 200 includes a mounting hole 230 machined at a central portion with respect to a transverse direction in a plan view, a convex portion 240 provided on one surface in a plane widthwise direction at a portion of the mounting hole 230, And a concave portion (250) provided to the upper surface (240)
Further comprising: a support member (300) in the form of a column disposed through the mounting hole (230) of the stacked blocks (200).
4. The method of claim 3,
A fusing unit 400 installed to provide a prestress to the block 200;
A waterproof means 500 installed to close the gap between the fitting protrusions 210 of the block 200 facing the strut 100;
Further comprising fastening means (600) installed to couple the neighboring blocks (200)
The fusing unit 400 includes a sheath pipe 410 embedded in the block 200 in a horizontal direction on a plane, a strand 420 exposed on both sides of the sheath pipe 260 near the sheath pipe 410, A wedge plate 430 fitted to the bent strand 420 and a wedge slice 440 fitted to the inclined surface of the wedge plate 430 so as to grip the strand 420,
The waterproofing means 500 includes at least one of a sealant 510, an index material 520 and a sealant 530 disposed between the fitting protrusions 210 of the adjacent blocks 200,
The fastening means 600 is longer than the auxiliary fastening plate 620 and the auxiliary fastening plate 620 that are embedded in the fitting projection 210 of the block 200 and is embedded in the block 200, A fixing member 610 fixed to the plate 620, a fastening plate 630 connected to the auxiliary fastening plates 620 of the adjacent block 200 and a fastening plate 630 fastened to the fastening plate 620 And a fastening member (640) fastened to the fastening member (640). delete delete delete delete

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