KR100563787B1 - Retaining wall structure composed of retaining-wall panel unit prestressed under interconnecting high intensity reinforcing rod installed in the panel unit with couplers so as to resist section strength and constructing method thereof - Google Patents

Abstract

        The present invention constructs a retaining wall assembly in which unit horizontal, inclined, curved, and support panels, which form a unit retaining wall panel in which a high strength reinforcing bar is connected by a coupler, and constitute a unit retaining wall panel, are fitted to a terrain consisting of slopes and curved sections of a fill section or an incision. As for construction method to say,

        The unit horizontal panel is manufactured by steel formwork, the upper surface is horizontal, the groove is formed at the center of the lower surface, the grooves of a certain length are formed at the center of both sides, respectively, and the predetermined distance at the upper and lower sides of both sides Embed a plurality of horizontal sheaths and form a groove at a certain position of the front part having a certain inclined surface, and install a vertical sheath connected to the groove and extend it to the lower surface, and the drain pipe penetrating the front and rear portions of the unit horizontal panel constant It is installed at a distance, and the horizontal sheath is embedded in the rear side and the groove is formed in the center of the front portion to install the strand connecting portion, the rear vertical connecting reinforcing bar and the front vertical connecting reinforcing bar are placed in the front part. The unit inclined panel is different from that in which the upper surface is inclined. The unit curved panel is a panel having curved portions formed so that the tangent angle is a constant angle. The unit curved panel is manufactured in the same manner as the unit horizontal panel, and the unit supporting panels for supporting the unit retaining wall panel on the ground are both sides. In the groove, the horizontal sheath penetrating both sides of the upper upper support plate and the front upper support plate is embedded, and a groove is formed in the center to form a strand connecting portion, and the recess is formed on the upper side of the unit horizontal, inclined, curved Perforated vertical sheath is connected to the vertical sheath embedded in the body of the panel to form a groove in the lower support plate to install the anchorage, and on both sides of the upper unit horizontal, inclined, embedded in the back and front of the curved panel To form a groove to connect with the rear and front vertical connection bars, and to install the rear and front vertical connection bars It said, is installed the upper sheath passing through the rear end of the upper support plate and the front end of the upper support plate and form a groove in both ends and installing the anchorage.

        After installing the unit horizontal, slope and curved panels and the unit support panel supporting them on the ground according to the terrain of the inclined surface, they are mutually assembled and installed using a stranded wire, and then the high-strength reinforcement is connected by a coupler, and the stranded wire inserted into the sheath. The pre-stress is introduced into the unit retaining wall panel to which the pre-stress is introduced, and the retaining wall assembly is assembled to the inclined surface to install the retaining wall.

Description

Retaining wall structure composed of retaining-wall panel unit prestressed under interconnecting high while interconnecting high-strength reinforcement installed in unit retaining wall panel with coupler to resist section force intensity reinforcing rod installed in the panel unit with couplers so as to resist section strength and constructing method             

        1 shows a prior art of the present invention.

        Figure 2 is a view showing a state of assembling the retaining wall assembly by assembling the unit retaining wall panel of the present invention.

        Figure 3 is a perspective view of a retaining wall assembly assembled with the unit retaining wall panel of the present invention.

        Figure 4 is a view showing the rear portion of the unit horizontal, inclined and curved panel unit retaining wall panel of the present invention.

        FIG. 5 is a view showing a strand connecting part installed on a rear portion of a unit horizontal, inclined and curved panel of FIG. 2; FIG.

        Figure 6 is a view showing the side of the unit horizontal, sloped and curved panel of the present invention.

        Figure 7 is a view showing the front portion of the unit horizontal, inclined and curved panel of the present invention.

        8 is a view showing a unit curve panel that is a unit retaining wall panel of the present invention.

        9 is a view showing a unit inclined panel that is a unit retaining wall panel of the present invention.

        10 is a view showing a unit support panel of the present invention.

        FIG. 11 is a plan view of the unit support panel of FIG. 9 from above. FIG.

       Figure 12 is a view showing a state in which the unit retaining wall panel unit horizontal, inclined and curved panel and the unit support panel of the present invention assembled from each other.

        Figure 13 is a view showing that the unit retaining wall panel of the present invention assembled to each other.

<Description of the symbols for the main parts of the drawings>

        A ... complexes, roads and railways B ... slopes

        C ... Foundation Concrete

        10 ... gravity retaining wall 11 ... wall

        12 ... drain pipe 13 ... footing

        14 ... activity board 15 ... ground

        16 ... floor concrete

        20 ... retaining wall assembly 21 ... connections

        30 ... unit retaining wall panel 31 ... drain pipe

        32 ... Home 33 ... Settlement

        34 ... strand 35 ... horizontal sheath

        36 ... Socket 37 ... Strand connection

        38 ... rear 39 ... front

        40 ... lower 41 ... vertical rebar

        42 ... upper 43 ... vertical rebar connection

        44 ... the groove 45 ... the lady

        46 ... Vertical sheath 47 ... Front vertical connecting bar

        48 ... rear vertical connecting bar 49 ... upper sheath

        50 ... Unit Horizontal Panel 51 ... Horizontal Section

        60 ... Unit Slope Panel 61 ... Slope

        70 ... Unit Curved Panel 71 ... Tangent Angle

        80 ... Unit support panel 81 ... Front upper support plate

        82 ... rear upper support plate 83 ... lower support plate

The present invention is to install and install the unit horizontal, inclined, curved and support panel forming the unit retaining wall panel resisting the cross-sectional force by connecting the high-strength steel reinforcement installed in the unit retaining wall panel with a coupler and the pre-stress to the top of the fill section or incision As a construction method for constructing a retaining wall assembly,

        The unit horizontal panel is manufactured by steel formwork, the upper surface is horizontal, the groove is formed at the center of the lower surface, the grooves of a certain length are formed in the center of both sides, respectively, and the predetermined distance at the upper and lower sides of both sides Insert a plurality of horizontal sheaths to form a groove at a predetermined position of the front portion having a constant inclined surface, and install a vertical sheath connected to the groove to extend to the lower surface, and the drain pipe passing through the front and rear portions of the unit horizontal panel It is installed at a certain distance, and the horizontal sheath is embedded in the rear side and the groove is formed in the center of the front side to install the strand connecting part, and the rear vertical connecting bar is installed in the rear part, and the front vertical connecting bar is embedded in the front part.

        The unit inclined panel is different from that the upper surface is inclined, and is manufactured through the same process as the unit horizontal panel,

        The unit curve panel is a panel in which a curved portion is formed such that the tangential angle is a constant angle, and is manufactured in the same manner as the unit horizontal panel.

        The unit support panel which supports the unit retaining wall panel on the ground forms grooves on both sides, embeds horizontal sheaths penetrating both sides of the rear upper support plate and the front upper support plate, and forms grooves in the center to form a stranded wire connecting portion and the upper portion. It forms a recess and penetrates the vertical sheath so as to be connected to the vertical sheath embedded in the body of the unit horizontal, inclined and curved panel on one side of the upper part to form a groove in the lower support plate to install the anchorage, and on both sides of the upper part. The groove is formed to be connected to the rear and front vertical connecting bars embedded in the back and front of the unit horizontal, inclined and curved panel, and the rear and front vertical connecting bars are embedded and installed, and the upper upper support plate ends and the front upper support plate ends. The upper sheath penetrates through, and grooves are formed at both ends, and the fixing unit is installed.

        After installing the unit horizontal, inclined and curved panels and the unit support panel supporting them on the ground according to the terrain of the inclined surface, the strands horizontally installed between them are assembled using sockets, and the unit horizontal, inclined and curved lines are installed. Full back vertically connected reinforcing bars connected to the panel and unit support panel are connected by couplers. The prestress is introduced into the strand inserted into the vertical sheath to assemble the unit retaining wall panel into which the prestress is introduced. To install it.

        An object of the present invention is to support the unit horizontal panel, inclined panel, curved panel unit support panel in which the pre-stressed unit retaining wall panel, which is manufactured at the factory, according to the topography of the inclined surface of the filling part or the incision is adapted to the shape of the inclined land. Assemble and install the horizontally installed strands using sockets, and connect the vertical back bars connected to the unit horizontal, inclined, curved and unit support panels with couplers, and install the strands in the vertical sheath. Retaining wall assemblies are assembled on slopes using unit retaining wall panels that are prestressed to these strands.The unit retaining wall panels are already manufactured at the factory and assembled in the field to reinforce the cross-section resistance. And prestressing are introduced using wires and couplers The construction period of assembling and installing as a solid retaining wall assembly is much shorter than when it was installed using conventional reinforced concrete, and the construction cost is reduced, and in particular, as the assembly of the panel manufactured at the factory is installed, the retaining wall is installed even in winter. The present invention provides a method of assembly installation using unit retaining wall panel that is possible for construction.

        Retaining wall using the conventional reinforced concrete is to form the footing and the wall integrally to support the back earth pressure of the retaining wall installed on the inclined surface to pour concrete, to secure the activity, conduction and support force, and to maintain the cross section of the retaining wall It consists of a structure. Referring to the prior art described with reference to Figure 1 in the retaining wall made of reinforced concrete while the footing on the floor concrete placed on the wall 31 and ground in order to resist the earth pressure acting on the back surface of the wall integrally with the wall The retaining wall was installed by pouring concrete after installing an active support plate to resist sliding under the footing. However, the existing reinforced concrete retaining wall has to go through the work process such as reinforcing steel assembly, formwork, scaffolding, concrete placing, curing, etc. by reinforcing steel assembly and concrete pouring in the site. There have been problems of environmental pollution due to noise and dust caused by external weather and construction and concrete installation for installing the retaining wall. In winter, construction has been stopped because of freezing.

The present invention has been proposed to improve the above problems, after the assembly of the unit retaining wall panel manufactured at the factory in the field by using a coupler and a socket to connect the strand and the vertical reinforcement, respectively, to increase the cross-sectional resistance, and to introduce the prestressing It is related to retaining wall assembly that is installed by reinforcing, and compared to the method of assembling reinforcing steel bars and installing formwork, and then curing concrete, it reduces the construction period and reduces construction cost, and uses the factory products with quality control. It is possible to prevent, and in particular, the construction can be carried out less affected by the external climate to provide a construction method that can be retained wall construction in the cold and winter.

The present invention is to be manufactured by steel formwork, the upper 42 surface is horizontal and the groove portion 44 is formed at the center of the lower surface 40, the groove portion 45 of a predetermined length in the central portion of both sides 44 are formed respectively, and a plurality of horizontal sheaths 35 are embedded at predetermined distances on the upper and lower sides of both sides, and grooves 32 are formed at predetermined positions of the front portion 39 having a constant inclined surface. Insert the vertical sheath 46 connected to the extension to the lower 40 surface, and install the drain pipe 31 passing through the front, rear portions 39, 38 of the unit horizontal panel 50 at a certain distance. The horizontal sheath 35 is embedded in the rear portion 38 and the groove 32 is formed in the center of the front portion 39 to install the strand wire connecting portion 37. The rear portion 38 has the vertical vertical reinforcing bar 48. ), The front portion 39, the unit horizontal panel 50, the front vertical connecting reinforcing bar 47 is disposed embedded;

        The unit inclined panel 60 is different from the surface of the upper part 42 is inclined portion 61, it is produced through the same process as the unit horizontal panel 50,

        The unit curve panel 70 is a panel formed with a curved portion so that the tangent angle 71 is a constant angle is manufactured in the same manner as the unit horizontal panel 50,

        The unit horizontal, inclined, curved panels (50, 60, 70) to support the ground on both sides formed grooves (45, 44) on both sides and penetrates both sides of the rear upper support plate 82 and the front upper support plate 81 The horizontal sheath 35 is embedded, the groove 32 is formed in the center to form the strand connecting portion 37, the upper portion 42 to form the recessed portion 45, the unit horizontal on one side of the upper portion 42 , Through the vertical sheath 46 so as to be connected to the vertical sheath 46 embedded in the body portion of the inclined, curved panel (50, 60, 70) to form a groove (32) in the lower support plate (83) 33) and rear and front vertical connecting bars embedded in the rear surface 38 and the front surface 39 of the unit horizontal, inclined and curved panels 50, 60 and 70 at both sides of the upper portion 42. The groove 32 is formed so as to be connected to the 48 and 47, and the rear and front vertical connecting bars 48 and 47 are buried and installed through the end of the upper upper support plate 82 and the upper upper support plate 81. As the unit retaining wall panel 30 is composed of a unit support panel 80, the upper sheath 49 is installed, grooves 32 are formed at both ends, and the fixing holes 33 are provided.

        The unit horizontal, inclined and curved panels (50, 60, 70) and the unit support panel (80) for supporting them on the ground are installed in accordance with the terrain of the inclined surface (B), and the strands installed on them are mutually connected using sockets. By strengthening the cross-section resistance, and by introducing prestress into the strand inserted into the vertical sheath, the unit retaining wall panel 30 into which the prestress is introduced is assembled and installed, and the retaining wall assembly 20 is assembled to the inclined surface B to install the retaining wall. It is characteristic to install.

        Hereinafter, the configuration and operation of the present invention will be described in detail by the accompanying drawings.

          FIG. 2 is a view showing a state in which the retaining wall assembly is assembled by assembling the unit retaining wall panel according to the present invention, wherein the unit horizontal panel 50, the unit inclined panel 60, and the unit curved panel 70 are unit support panels 80. To build a complex, road or railway (A)

Assemble and install the unit retaining wall panel 30 according to the terrain of the inclined surface (B) of the section or incision, and the unit retaining wall panels 30 are connected to each other by installing a high strength reinforcing bar and a stranded wire with a coupler and a socket from the top, bottom, left and right, respectively. Retaining wall assembly 20 installed by introducing resisting and prestressing unit unit horizontal panel 50 when the upper part of the inclined surface is flat, and unit inclined panel 60 when the upper part of the inclined surface is inclined and the inclined surface is curved In one case, while installing the unit curve panel 70, the unit horizontal (50) and the inclined panel (60) in combination to install the slope of the slope of the unit horizontal, the slope and the height of the curved panel (50, 60, 70) Is installed at a certain height higher than the height of the inclined surface to prevent the soil flowing down from the inclined surface (B) flows down. In addition, when the unit support panel 80 supporting the unit horizontal, inclined and curved panels 50, 60 and 70 is also curved, the unit support panel 80 may be made small so that the curve of the unit curved panel 70 may be reduced. It can be divided and supported at the part that changes to. When the unit retaining wall panels 30 are connected to each other, the connecting portions 21 in which the recess portions 45 and 44 mesh with each other are formed, and the front portion of the unit horizontal, inclined and curved panels 50, 60 and 70 is formed. A groove 32 formed in the lower support plate 83 of the unit support panel 80 in the vertical sheath 46 connected to the groove 32 formed in the 39 and the vertical sheath 46 installed in the unit support panel 80. The stranded wire 34 is fixed to the anchorage 33 installed in the center), and the stranded wire 34 is installed in the vertical sheath 46 so that the front portion 39 of the unit horizontal, inclined and curved panels 50, 60, and 70 are formed. In the groove 32 formed in the ()), the stranded wire 34 fixed to the anchorage 33 is tensioned and firmly connected to the unit support panel 80.

        3 is a perspective view of the retaining wall assembly in which the unit retaining wall panel of the present invention is assembled, and after the foundation concrete C is cast on the ground to which the retaining wall is to be installed, the unit supporting panel 80 is installed, but the unit supporting panel 80 Grooves (45,44) formed on both sides of the side meshing with each other so that the connecting portion 21 can be installed, and the vertical sheath 46 is installed at a predetermined position of the rear upper support plate 82 and the front upper support plate 81 And the strand wire 34 is inserted into the rear upper support plate 82 and the front upper support plate 81 of the unit support panel 80 installed adjacently, and the strand wire is formed in the groove 32 formed at the center of the unit support panel 80. (34) is gathered and firmly fixed by using the socket 36 so that adjacent unit support panels 80 are fixedly connected to enhance the cross-sectional resistance, the unit horizontal, inclined, curved panel (50, 60, 70) Connected to the groove 32 formed in the front portion 39 of the The strand wire 34 is fixed to the anchorage 33 provided in the groove 32 formed in the lower support plate 83 of the unit support panel 80 in the horizontal sheath 35, and the strand wire 34 in the vertical sheath 46. A fixing hole installed in the groove 32 formed in the front portion 39 of the horizontal, inclined and curved panels 50, 60 and 70 by penetrating the unit horizontal, inclined and curved panels 50, 60 and 70. 33) Tightening the stranded wire 34 is firmly connected to the unit support panel 80, the unit horizontal, inclined and curved panels (50, 60, 70) are installed adjacent to each other and the horizontal sheath on the back portion 38 The groove of the stranded wire connecting portion 37 installed at the center of the front portion 39 by inserting the stranded wire 34 so that the unit 35 is installed and spans the unit horizontal, inclined and curved panels 50, 60, and 70 installed adjacently. The strands 34, which penetrate from the unit horizontal, inclined, and curved panels 50, 60, and 70 adjacent to the core 32, collect the strands 34 in the grooves 32, thereby closing the socket 36. By firmly assembling and installing by using to increase the cross-sectional resistance to earth pressure acting on the back of the retaining wall.

        Figure 4 is a view showing the back portion of the unit horizontal, slope and curved panel of the unit retaining wall panel of the present invention, using the formwork made of steel sheet to manufacture the unit horizontal, slope and curved panels (50, 60, 70) Reinforce the high-strength reinforcement in the formwork, install horizontal sheath 35 at the upper and lower sides at regular intervals on the rear part 38, and form the groove 32 at the center to form the strand wire connecting part 37 to later unit horizontally and inclined. , Curved panels (50, 60, 70) are connected to the strand (34), and using the socket 36 installed in the strand connecting portion 37 to firmly connect the strand 34 to resist the earth pressure acting on the back wall of the retaining wall To increase the cross-sectional resistance to the unit, a plurality of drain pipes 31 are installed at regular intervals in the unit horizontal, inclined and curved panels (50, 60, 70), unit horizontal, inclined and curved panels (50, 60) At the lower portion 40 of the The groove 44 is formed to form a connection portion 21 that is firmly assembled with the recessed portion 45 of the unit support panel 80. Also, the lower vertical portion 40 is a vertical vertical reinforcing bar 48 which is a high-strength reinforcement of a certain length. ) A plurality of vertical reinforcing bar connecting portion 43 for screwing with the rear vertical connecting reinforcing bar 48 installed on the unit support panel 80 to be installed in the future and the lower surface (40) where the connecting portion 21 is formed The groove 32 to be formed is installed and screwed to the back vertical connecting reinforcing bar 48 of the unit support panel 80 to be firmly fixed. After the high tensile reinforcing bar is disposed, the arrangement of drainage pipe, sheath and high tensile vertical reinforcing bar is completed, and high strength concrete is poured to produce unit horizontal, slope and curved panels (50, 60, 70).

        FIG. 5 is a view illustrating a stranded line connecting portion installed in a rear portion of a unit horizontal, inclined and curved panel of FIG. 2, and a groove 32 installed in the rear portion 38 of a unit horizontal, inclined and curved panel 50, 60, and 70. As shown in the arrangement of the connected horizontal sheath 35, the horizontal sheath 35 is installed slightly bent from the front portion 39 to the rear portion 38 in the panel body so that the strands 34 in the horizontal sheath 35 in the future. After inserting and tightening using the socket 36, the unit horizontal, inclined, and curved panels 50, 60, and 70 may be gathered inward so as to be firmly fixed and assembled to increase the cross-sectional resistance.

        Figure 6 is a view showing the side of the unit horizontal, inclined and curved panel of the present invention, both the front portion 39 and the rear portion 38 has a constant inclination, grooves 45, 44 are formed on both sides In order to be firmly connected when adjacent unit horizontal, inclined and curved panels 50, 60, 70 are combined and connected, the lower portion 40 forms a groove 44 to be connected to the unit support panel 80, Insert the strand 34 in the horizontal sheath 35 installed at regular intervals of the side so that adjacent unit horizontal, inclined and curved panels 50, 60, 70 are firmly connected to each other by the strand 34, and at regular intervals. In order to discharge the groundwater generated from the rear portion 38 of the retaining wall by installing a plurality of drain pipes 31 and a plurality of high tension reinforcing bars on the rear portion 38 and the front portion 39, the unit supporting panel 80 Rear vertical lead installed on) To form a reinforcement 48 and a front vertical connection reinforcement 47 and as with the threaded joint is installed so as to firmly connected and fixed to the up and down the lower 40 groove 32 for screw joints of these reinforced on both sides. In addition, the groove 32 is installed at a predetermined height of the front portion 39, and the vertical sheath 46 connected to the groove 32 is installed to the groove 32 of the lower support plate 83 of the unit support panel 80. After installing the strand 34 in the vertical sheath 46 installed through and fixing the strand 34 in the anchorage 33 provided in the groove 32 formed in the lower support plate 83, the strand 34 is horizontally united. , Penetrates into the vertical sheath 46 of the inclined and curved panels 50, 60, and 70, protrudes into the grooves 32 of the front part 39, and then setstles into the anchorage 33, thereby applying tension to the strand 34. It is introduced to the unit support panel 80 while the pre-stress is introduced to the unit horizontal, inclined and curved panels (50, 60, 70), and when this operation is completed, the non-shrink mortar or epoxy in the groove 32 Fill with to prevent loosening or corrosion.

The high tension front and rear vertical connecting bars 47 and 48 installed on the front part 39 and the rear part 38 are unit horizontal, inclined and curved panels 50 and 60 on the unit support panel 80 at the initial stage of assembly and installation. 70) is placed to install vertically, and when the earth pressure acting on the back wall of the retaining wall is applied after completion of construction, the tension force is applied to the rear part 38 and the compressive force is applied to the front part 39 to effectively support it. The number of rear vertical connecting bars 48 is preferably 6 to 10, and the number of front vertical connecting bars 47 resists compressive force. In order to arrange 2 to 5 high-strength reinforcing bars, the preferred number of bars is 1/2 of the number of vertical connecting bars in the rear.

     7 is a view showing the front portion of the unit horizontal, inclined and curved panel of the present invention, the grooves 45, 44 are formed in the side of the unit horizontal, inclined and curved panel (50, 60, 70) adjacent unit In order to be connected firmly when the horizontal, inclined and curved panels (50, 60, 70) are connected in combination, the lower portion (40) forms a groove portion 44 to be connected to the unit support panel 80, the front portion (39) is a high tension reinforcing bar is installed to securely connect up and down by connecting the front vertical connecting reinforcement (47) installed in the unit support panel (80) and screwed these reinforcement on both sides of the lower (40) The groove 32 for forming is formed. In addition, the groove 32 is installed at a predetermined height of the front portion 39, and the vertical sheath 46 connected to the groove 32 is installed to the groove 32 of the lower support plate 83 of the unit support panel 80. After installing the strand 34 in the vertical sheath 46 installed through and fixing the strand 34 in the anchorage 33 provided in the groove 32 formed in the lower support plate 83, the strand 34 is horizontally united. , Penetrates into the vertical sheath 46 of the inclined and curved panels 50, 60, and 70, protrudes into the grooves 32 of the front part 39, and then setstles into the anchorage 33, thereby applying tension to the strand 34. By introducing the pre-stress to the unit horizontal, inclined and curved panels (50, 60, 70) by the introduction and is firmly connected to the unit support panel (80).

        The front vertical connecting reinforcing bar 47 of the high tension installed in the front part 39 is installed to vertically install the unit horizontal, inclined and curved panels 50, 60 and 70 on the unit support panel 80 at the initial stage of assembling and installing. In addition, when the earth pressure acting on the rear surface of the retaining wall is applied after the completion of the construction, the compressive force is applied to the front part 39 so as to effectively support it. The number of front vertical connecting bars 47 is applied to the compressive force. The preferred number of rebars for placing two to five high-strength bars to resist is one-half of the back vertical connecting bars.

        FIG. 8 is a view showing a unit curved panel which is a unit retaining wall panel according to the present invention, wherein the process of arranging the unit horizontal, inclined and curved panels 50, 60, and 70 mentioned in FIGS. The unit curve panel 70 manufactured in this way is different from the unit curve panel 70 and the horizontal or inclined panel according to the curved surface when the slope is changed from a straight line to a curved line. (50, 60) are arranged in combination to form a curve of the inclined surface The angle of tangency 71 is 20 to 40 degrees, the preferred angle is 30 degrees When the tangential angle 71 is 30 degrees, the angle sandwiched inside Is 150 degrees, so in the case of a curved section that turns quickly, two unit curve panels 70 may be installed in succession, and unit horizontal or inclined panels 50 and 60 may be installed on both sides. Curved The curved curved wall 70 is installed by connecting the unit curved panel 70 and the unit horizontal and inclined panels 50 and 60 according to the form.

        9 is a view showing a unit inclined panel that is a unit retaining wall panel of the present invention, wherein the process of arranging the unit horizontal, inclined and curved panels 50, 60, and 70 mentioned in FIGS. The difference is that 42 forms the inclined portion 61. The unit inclination panel 60 manufactured as described above is to be installed using the unit inclination panel 60 when the upper portion of the inclined surface B is inclined at a constant level. When installed in this way, it is installed to be flexible along the inclination of the inclined surface (B) is to be installed so as to protect the step of the inclined surface (B) while improving the aesthetics.

        When manufacturing the unit retaining wall panel 30, which is the unit horizontal, the slope, the curve, and the support panel (50, 60, 70, 80) described above at the factory, it is closely connected with the respective unit retaining wall panel 30 installed on the left and right sides thereof. In order to form 21, grooves 45 and 44 are formed in formwork made of steel, high tension reinforcing bars are placed, and various kinds of materials are required to be placed after pouring high strength concrete to produce grooves 45 and 45 on both sides. 44 is formed and manufactured so that when each of the unit retaining wall panel 30 is installed on the outermost side, only one side is connected to the adjacent unit retaining wall panel 30 and the other side is formed on the outside as the grooves 45 and 44 are formed. The concrete is poured by inserting a certain size of steel into the grooves 45 and 44 where the grooves 45 and 44 are formed in the steel formwork of each unit retaining wall panel 30 to be installed on the outside in order to improve the unsightly appearance. So When manufactured, it is possible to manufacture and install the unit retaining wall panel 30 is formed with a flat side surface is not formed groove.

        10 and 11 are a side view and a plan view showing a unit support panel of the present invention, by using a formwork made of steel plate to reinforce the high-tensile reinforcement in the formwork and grooves (45, 44) formed on both sides and the rear upper support plate A horizontal sheath 35 penetrating both sides of the 82 and the front upper support plate 81 is embedded, and a groove 32 is formed in the center to form a strand line connecting portion 37 to horizontally adjacent the unit support panel 80. The strands 34 inserted into the sheath 35 are collected into the grooves 32 so as to be connected and secured using the sockets 36 so as to enhance the cross-sectional resistance, and the recessed portions 45 are formed on the upper portion 42 to form the upper portion ( 42 to be assembled and installed with the groove portion 44 of the lower portion 40 of the unit horizontal, inclined and curved panels (50, 60, 70), the unit horizontal, inclined, curved panel on one side of the upper 42 The strand wire 34 inserted in the vertical sheath 46 embedded in the body portion of the 50, 60, 70 passes through the edge. The vertical sheath 46 is formed so as to penetrate the seeker groove 32 through the lower support plate 83 to install the anchorage 33 so that the strand 34 inserted into the vertical sheath 46 has the lower support plate 83. It is fixed in the anchorage 33 and inserted into the vertical sheath 46 embedded in the front portion 39 of the unit horizontal, inclined and curved panels 50, 60 and 70 installed in the upper portion 42 of the unit support panel 80. And fixed in the anchorage 33 of the groove 32, and then prestress is introduced and fixed to the rear surface 38 of the unit horizontal, inclined and curved panels 50, 60, 70 on both sides of the upper portion 42. The grooves 32 are formed to be connected to the rear and front vertical connecting bars 48 and 47 embedded in the front part 39, and the back and front vertical connecting bars 48 and 47 are buried and screwed together. Install the upper sheath 49 penetrating the end of the rear upper support plate 82 and the end of the front upper support plate 81, form grooves 32 at both ends, and install the fixing unit 33, After penetrating the stranded wire 34 in the switch 35, it is settled in the anchorage 33 on one side and the prestress is introduced into the unit support panel 80 by introducing a tension force to the stranded wire 34 from the anchorage 33 on the other side. .

        12 is a view showing a state in which the unit retaining wall panel of the present invention unit horizontal, inclined and curved panel and the unit support panel are assembled to each other from the side and FIG. 13 shows the unit retaining wall panel of the present invention assembled from each other from the front As the drawings, the assembly of the retaining wall assembly 20 is described as follows. .

        Arranging the ground to assemble the retaining wall;

        Placing foundation concrete (C) on the ground;

        Assembling and installing a unit support panel 80 manufactured in a factory on the foundation concrete (C);

       Insert the strand 34 in the vertical sheath 46 connected to the groove 32 of the lower support plate 82 of the unit support panel 80 to extend to the upper portion 42, adjacent to the unit support panel 80 The strands 34 are inserted into the horizontal sheath 35 installed on the unit support panel 80 and the front and rear upper support plates 81 and 82 installed to connect the strand wires 34 on both sides of the strand wire connecting portion 37 to the sockets 36. Strengthening the cross-sectional resistance by assembling and connecting using;

       The unit horizontal, inclined and curved panels 50, 60 and 70 are fitted to the grooves 45 and 44 to fit the topography of the inclined surface B on the unit support panel 80 to form the connecting portion 21. And the vertical connecting bars 48 and 47 installed on the front parts 38 and 39, and the vertical connecting bars 48 and 47 installed on the upper part 42 of the unit support panel 80 and the coupler. The horizontal, inclined and curved panels of the strands 34 installed on the upper part 42 in the vertical sheath 46 installed in the groove 32 and connected to the grooves 32 formed in the lower support plate 83. Fixing the strand wire 34 to the anchorage 33 installed in the groove 32 formed in the front portion 39 by penetrating into the vertical sheath 46 of the 50, 60, 70;

        The strand wire 34 is inserted into the horizontal sheath 35 installed on both sides of the unit horizontal, inclined and curved panels 50, 60, and 70 and gathered in the groove 32 formed in the front portion 39. Tightening with a socket 36 to firmly connect adjacent unit horizontal, inclined and curved panels 50, 60, and 70 to enhance the cross-sectional resistance of the retaining wall assembly against earth pressure acting on the rear surface of the retaining wall;

        The upper sheath 49 penetrating the end of the rear upper support plate 82 and the front upper support plate 81 of the unit support panel 80 is installed, grooves 32 are formed at both ends, and the fixing unit 33 is installed. After penetrating the stranded wire 34 in the upper sheath 49, it is fixed to the anchorage 33 on one side, and the tension is introduced into the stranded wire 34 from the anchorage 33 on the other side to be fixed to prestress the unit support panel 80. Introducing a;

        Tension lines 34 fixed in the grooves 32 of the front portion 39 of the unit horizontal, inclined and curved panels 50, 60 and 70 are tensioned. Introducing prestress); And

        Inclined surface B through the step of filling the groove portion 44 and the connection portion 21 formed in the unit horizontal, inclined and curved panels (50, 60, 70) and the unit support panel 80 using non-condensed concrete or epoxy ) Is to install and install the retaining wall assembly.

        On the other hand, after assembling and installing the unit retaining wall panels unit horizontal, inclined, curved, and support panels on site, the strands installed on them are gathered in one place, tightened with sockets, and firmly assembled and installed. Construction method to simultaneously perform such work by increasing the cross-sectional resistance by connecting the front back vertical connecting reinforcement in the supporting panel with a coupler and introducing pre-stress to each unit retaining wall panel to increase the cross-sectional force. And the strands installed on the unit retaining wall panels are connected only to each other by sockets, and do not introduce prestresses or only prestresses, or reinforce the unit horizontally, inclined, curved panels and unit support panels. Installation method according to the height of the incision of the inclined surface And height depending on the site conditions of a place out as well that it can be constructed by selectively selected for the construction method.

According to the present invention, after the unit retaining wall panel manufactured through quality control at the factory is assembled and installed according to the topography of the inclined surface, the high strength reinforcing bar is connected with a coupler to increase the cross-sectional resistance and the prestress is introduced into the stranded wire inserted into the sheath. Adjacent unit retaining wall panels are firmly assembled and assembled to resist earth pressure acting on the retaining wall, and the prestress is introduced to reduce the cross-section, reducing the amount of reinforcing steel and concrete, and The unit can be installed freely according to the radius of curvature by using unit horizontal, inclined, and curved panel, and it is possible to install retaining wall without being influenced by the external temperature. It is

Claims (9)

       In installing the retaining wall on the slope of the fill and cutting part, install the foundation concrete on the ground, install the unit support panel on it, and install a certain number of drain pipes on the unit support panel according to the topography of the slope. In forming the retaining wall assembly by selectively assembling and installing the unit retaining wall panel, which is the unit horizontal panel, the unit inclined panel and the unit curved panel in which the rear portion forms a constant inclination, grooves are formed at both sides, and grooves are formed at the lower part thereof.           On the front part of the horizontal, inclined and curved panel, a certain number of front vertical connecting bars are installed with a certain number of high-strength reinforcing bars, and then they are installed to be firmly fixed up and down by screwing the vertical vertical connecting bars installed on the unit support panel. The grooves for screwing these reinforcing bars are formed on both sides of the lower part, and the grooves are installed at a certain height in the front part, and the vertical sheath connected to the grooves is installed to penetrate the strands in the vertical sheath installed through the grooves of the lower support plate of the unit support panel. After installing the stranded wire in the anchorage formed in the groove formed in the lower support plate, the stranded wire penetrates into the vertical sheath of the unit horizontal and the inclined panel, protrudes into the groove of the front part, and then settles into the anchorage and then introduces the prestress into the stranded wire. Installed to introduce prestress to horizontal and inclined panels A retaining wall assembly comprising unit retaining wall panels incorporating pre-stress while resisting cross-sectional forces by interconnecting high-strength reinforcing bars installed in unit retaining wall panels with a coupler. delete delete delete delete delete         The method of claim 1,         The unit curve panel has a high strength reinforcement installed in the unit retaining wall panel, characterized in that the tangential angle of the curved portion is 20 to 40 degrees to form a curved portion according to the terrain in combination with the unit horizontal, inclined panel according to the curved radius of the inclined surface. Retaining wall assembly consisting of unit retaining wall panels incorporating prestressing to resist sectional forces by interconnecting with couplers.         The method of claim 1,         The unit support panel has recesses formed at both sides, and embeds horizontal sheaths penetrating both side surfaces of the upper and rear upper support plates, and forms a groove at the center to form a stranded wire connection portion in the horizontal sheath of adjacent unit support panels. Insert the stranded wire into the groove to connect and secure it using a socket, and form a recess on the top to assemble and install the groove on the lower part of the unit horizontal, inclined and curved panel installed on the upper part, and the unit on one side of the upper part. The vertical sheath is formed through the seeker groove to the lower support plate so that the strand can be inserted into the vertical sheath embedded in the body of the horizontal, inclined and curved panel. Settled in and embedded in the front of the unit horizontal, inclined and curved panels installed on top of the unit support panel It is inserted into the vertical sheath and fixed to the anchorage of the groove to introduce prestress, and can be connected to the rear and front vertical connecting bars embedded in the back and front of the unit horizontal, inclined and curved panels on both sides of the upper part. Form a groove so that the rear and front vertical connecting bars are installed and screwed together using the coupler.The upper sheath penetrating the end of the upper supporting plate and the upper supporting plate is installed, and the grooves are formed at both ends. High strength reinforcing bars installed in the unit retaining wall panel, which is characterized by introducing a prestress into the unit support panel by forming a fixture and penetrating the stranded wire in the upper sheath, and then fixing it in the anchorage on one side and introducing a tension force to the strand in the other anchorage. Can be interconnected with a coupler to resist cross-sectional forces, Retaining wall assembly consisting of a unit retaining wall panel introduced.         In the construction method for installing the retaining wall on the inclined surface formed by the filling and cutting to install the railway and road,         a) arranging the ground to assemble the retaining wall;         b) placing foundation concrete on the ground;         c) assembling and installing a unit support panel manufactured in a factory on the foundation concrete;        d) Insert the strand into the vertical sheath connected to the groove of the lower support plate of the unit support panel to extend to the top, and insert the strand into the unit support panel installed adjacent to the unit support panel and the horizontal sheath installed on the front and rear upper support plates. Strengthening the cross-sectional resistance by assembling and firmly connecting the strands of the two sides gathered in the strand connection portion using a socket;        e) The unit horizontal, inclined and curved panels are installed on the unit support panel according to the topography of the inclined surface to form grooves, and the vertical and connecting bars installed on the back and front are formed on the back and front of the unit support panel. The strands are connected to the groove formed in the lower support plate by using the vertical connecting rebar and coupler installed in the groove, and the stranded wire is penetrated into the vertical sheath of the unit horizontal, slope, and curved panels installed on the upper part. Fixing the strand to the anchorage installed in the formed groove;         f) Insert a strand into the horizontal sheath installed on both sides of the unit horizontal, inclined and curved panels, and tighten the strands gathered in the grooves formed in the front part with a socket to connect adjacent unit horizontal, slope and curved panels firmly to provide cross-sectional resistance. Enhancing;         g) The upper sheath penetrating the end of the upper support plate and the front upper support plate of the unit support panel is installed, grooves are formed at both ends, and the fixing unit is installed to penetrate the stranded wire in the horizontal sheath, and then settles in one fixing unit and the other side. Introducing pre-stress into the unit support panel by introducing tension in the strand in the anchorage of the unit;         h) introducing a prepress into the unit horizontal, inclined and curved panel by tensioning the stranded line anchored in the groove of the front portion of the unit horizontal, inclined and curved panel; And         I) The high strength reinforcing bars installed in the unit retaining wall panel consisting of filling the grooves and the connecting portions formed in the unit horizontal, inclined and curved panels and the unit support panel by using non-condensed concrete or epoxy are interconnected with a coupler to resist the cross-sectional force. A method of assembling and retaining a retaining wall assembly composed of unit retaining wall panels having prestresses.

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