A method of constructing a wall using blocks and frames each having a wedge-shaped coupling part formed therein, the method comprising:
- a step of installing frames (S10), in which an upper frame (100) is mounted on a surface of the beam, the upper frame (100) having an isosceles triangular wedge-shaped concave groove (101) formed throughout a lower surface thereof, wherein a corner of the wedge-shaped concave groove (101) is parallel to a longitudinal direction of a beam, a lower frame (200) is mounted on a surface of the slab, the lower frame (200) having an isosceles triangular wedge-shaped protrusion (201) formed throughout an upper surface thereof, wherein a corner of the wedge-shaped protrusion (201) is parallel to a longitudinal direction of a slab, and vertical frames (300) are mounted on outer side surfaces or inner side surfaces of pillars so as to be connected to ends of the upper frame (100) and the lower frame (200), the vertical frames (300) each having an isosceles triangular wedge-shaped protrusion (301) formed throughout an inner side surface thereof, wherein a corner of the wedge-shaped protrusion (301) is parallel to a height direction of one of the pillars;
- a step of laying blocks and intermediate blocks (S40), in which, when blocks (400) are laid by being fitted between the upper frame (100), the lower frame (200), and the vertical frames (300), the blocks (400) each having an isosceles triangular wedge-shaped upper protrusion (401) formed throughout an upper surface thereof, an isosceles triangular wedge-shaped lower concave groove (402) formed throughout a lower surface thereof, and an isosceles triangular wedge-shaped side protrusion (403) formed throughout one side surface thereof and an isosceles triangular wedge-shaped side concave groove (404) formed throughout another side surface thereof, wherein, by the wedge-shaped upper protrusion (401) and the wedge-shaped lower concave groove (402) being fitted to each other, and the wedge-shaped side protrusion (403) and the wedge-shaped side concave groove (404) being fitted to each other, the blocks (400) are laid in a zigzag manner so that longitudinal side corners of the blocks (400) are positioned on a central portion of the upper surface or the lower surface of the blocks (400) stacked vertically adjacent thereto, intermediate blocks (500) are fitted between the blocks (400) to change a direction in which the blocks (400) are laid, so that the wedge-shaped side concave groove (404) of the blocks (400) is coupled to the wedge-shaped protrusion (301) of the vertical frames (300) at both sides, the intermediate blocks (500) each having an isosceles triangular wedge-shaped upper protrusion (501) formed throughout an upper surface thereof, an isosceles triangular wedge-shaped lower concave groove (502) formed throughout a lower surface thereof, and an isosceles triangular wedge-shaped side concave groove (503) formed throughout side surfaces thereof;
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- a step of fastening a finish frame (S50), in which upper surfaces of frame bodies (701) of the finish frame (700) are engaged to come in contact with the wedge-shaped concave groove (101) of the upper frame (100), lower surfaces of the frame bodies (701) are engaged to come in contact with the wedge-shaped upper protrusions (401) of the blocks (400) laid on the uppermost end portion, and then the frame bodies (701) are fixed using a frame body fastener (702), wherein the finish frame (700) includes two frame bodies (701) which have a rhombic cross-section and are symmetrical to each other.