JPH08216135A - Form apparatus for top end wall retaining block for corner part - Google Patents

Abstract

PURPOSE: To perform simply and surely construction of a retaining wall without molding a corner part with concrete on the site by providing a molding part for the upper end face and the inner peripheral face, a molding part for the front face, a molding part for the rear face, a molding part for the end face and a core for molding an iron rod through-hole on the bottom part of the wall retaining block. CONSTITUTION: A form apparatus A molds a wall retaining block with an approximately U-shaped longitudinal crosssection under an upside-down reverse condition and has a upper end face and inner peripheral face molding part 1 for molding the upper end face and the inner peripheral face and a front face molding part 2 for molding the front face of the wall retaining block. In addition, it has a rear face molding part 3 for molding the rear face of the wall retaining block, end face molding parts 4 and 4 for molding left and right end faces of the wall retaining block and cores 5 and 6 for molding iron rod through-holes on the bottom part of the wall retaining block. A top wall retaining block for a corner part being fitted to the corner part of the uppermost corner part of the retaining wall constructed by piling zigzag the wall retaining block for ordinary use step by step can be molded thereby.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold device for a corner end retaining wall block for corners.

[0002]

2. Description of the Related Art Conventionally, there is a method of constructing a retaining wall block by stacking retaining wall blocks on a footing foundation as one form of retaining wall construction. When building in a state of being curved in the width direction, the retaining wall blocks adjacent to each other in the left-right width direction are gradually connected at an angle.

[0003]

However, in the method of constructing a retaining wall described above, for example, when it is desired to bend the retaining wall at a substantially right angle or at a more acute angle, the corner portion is cast in-situ. There was the complexity that it had to be molded.

Moreover, it is desirable that the retaining wall blocks stacked on top of each other be arranged in order in the left-right width direction and connected to each other by reinforcing bars or the like to increase the strength of the retaining wall. It was difficult to connect by.

[0005]

Therefore, according to the present invention, there is provided a mold apparatus for a corner top retaining wall block for forming the uppermost step of the corner portion of the retaining wall. Upper end surface and inner peripheral surface forming portion for forming upper end surface and inner peripheral surface of U-shaped corner end retaining wall block, front forming portion for forming front surface of the same retaining wall block, and same retaining wall A corner characterized by comprising a rear surface molding portion for molding a rear surface of the block, an end surface molding portion for molding an end surface of the retaining wall block, and a core for molding a reinforcing bar insertion hole at a bottom portion of the retaining wall block. It is intended to provide a formwork device for the ceiling retaining wall block for the department.

Further, according to the present invention, the upper end surface and the inner peripheral surface forming portion form a straight portion forming body for forming a straight portion of the top end retaining wall block for a corner portion, and a corner portion of the retaining wall block. And the upper end surface of the straight-portion molded body can be removably attached to either of the left and right side end portions of the same corner-portion molded body. The inner peripheral surface molding part is a plurality of corner moldings formed by being adapted to the angles of the corners of the top end retaining wall block for corners to be molded, and left and right end parts of the corner moldings of these plurality of shapes. It is also characterized in that it is provided with at least one form of a straight portion molded body in which one side end portion can be removably attached.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

A and FIG. 2 shown in FIG. 1 and FIG. 2 show a formwork apparatus according to the present invention. The formwork apparatus A is filled with concrete to be solidified, and then the mold is removed to remove the mold. The top end retaining wall block B for the corner portion shown in can be formed.

The corner top retaining wall block (hereinafter referred to as "retaining wall block") B is a block for forming the uppermost step of the corner portion of the retaining wall.
As shown in FIGS. 9 to 11, a bottom portion a formed in a substantially L-shape in a plan view, a left front end edge of the bottom portion a, a right front end edge, and a corner front end edge formed between them stand upright. A left front wall b, a right front wall c, and a corner front wall d formed by raising
From the left rear wall e and the right front wall f formed by rising from the left rear end edge and the right rear end edge of the bottom part a, a plane approximately L
It is shaped like a letter U and has a substantially U-shaped vertical cross section.
The elliptic rebar insertion holes g and h are formed at the bent portion position and the right side position in the vertical direction.

Moreover, the left front wall b and the right front wall c are formed so that the left and right width of one of them is twice the left and right width of the other, and the normal retaining wall blocks are stacked in a staggered manner. It can be adapted to the retaining wall to be built.

The formwork apparatus A is for molding a retaining wall block B having a substantially U-shaped vertical section in an upside-down state.
As shown in FIG. 4, an upper end surface and an inner peripheral surface forming part 1 for forming an upper end surface and an inner peripheral surface of the retaining wall block B, and a front surface forming part 2 for forming a front surface of the retaining wall block B, A rear surface molding part 3 for molding the rear surface of the retaining wall block B, end surface molding parts 4, 4 for molding the left and right end surfaces of the retaining wall block B, and reinforcing bar insertion holes g, h at the bottom of the retaining wall block B. And cores 5 and 6 for molding.

As shown in FIGS. 5 and 6, the upper end surface and the inner peripheral surface forming portion 1 and the retaining wall block B have a straight portion forming body 7 for forming a straight portion of the retaining wall block B. It is possible to attach the one side end part of the straight part molded body 7 to any of the left and right side end parts of the same corner part molded body 8 so as to be replaceable. As shown in FIG. 7 and FIG. 8, the corner molded body 8 is prepared by forming a plurality of shapes adapted to the angles of the corners of the retaining wall block B to be molded, and selecting from these. The one side end of the straight portion molded body 7 can be removably attached to either of the left and right side end portions of the corner portion molded body 8.

In this manner, the corner-end retaining wall block B suitable for the uppermost corner of the retaining wall constructed by stacking the ordinary retaining wall blocks in a staggered manner can be formed. I have to.

In the corner molded body 8 shown in FIG. 1, the corners of the retaining wall block B can be molded at a substantially right angle, and in the corner molded body 8 shown in FIG. 7, the retaining wall block B is formed. 8 can be formed into an acute angle, and in the corner forming body 8 shown in FIG. 8, the corner of the retaining wall block B can be formed into an obtuse angle.

Next, the respective constituent members of the above-described mold apparatus A will be described more specifically.

First, the corner molded body 8 of the upper end surface and the inner peripheral surface molded portion 1 will be described.
As shown in FIG. 6, on the supporting machine frame 10, a corner molded body 11 formed in a gate shape for molding the inner peripheral surface, and a corner molded body 11 having the same shape.
Of the front wall upper end surface forming plate 12 and the rear wall upper end surface forming plate 13 integrally formed by horizontally extending from the front lower end edge and the rear lower end edge of the corner forming body 11 The left and right connecting plates 14 and 14, which are respectively stretched, are placed and formed. Reference numeral 14a is a connecting rod insertion hole formed in the left and right connecting plates 14 and 14 so as to coincide with the left and right facing positions.

As shown in FIGS. 5 and 6, the support frame 10 has one end connected to the left and right ends of the corner front molded body mounting frame 10a and the same corner front molded body mounting frame 10a. , The left and right front molded body mounting frames 10b, which respectively extend outward and rearward,
10c, a rear surface molded body mounting frame 10d that faces the corner front molded body mounting frame 10a with a constant space, and is parallel to the corner front molded body mounting frame 10a, and the rear surface molded mounting frame 10d. Left and right side end face molded body mounting frames 10e, 10f interposed between the left and right ends and the extension ends of the left and right side front molded body mounting frames 10b, 10c,
It is formed from a reinforcing frame 10g for reinforcing these mounting frames 10a, 10b, 10c, 10d, 10f, and each mounting frame 10a, 10b, 10c, 10f.
Formed body support brackets 21, 22, 2 are attached to d, 10e, and 10f, respectively.
Bracket insertion for inserting molded body pivot brackets 73,74 projecting from the straight-shaped molded body 7 described later into the left and right side end surface molded body mounting frames 10e, 10f Holes 27, 28
And bolt insertion holes 30, 30 for connecting the straight portion molded body 7 with the connecting bolt 29. 31 is a connecting positioning pin.

As shown in FIG. 2 to FIG. 5, the corner body main body 11 has a narrow rectangular rectangular front wall inner surface forming plate 11a extending vertically and a front wall inner surface forming section. The left and right side edges of the plate 11a are extended outward and rearward, respectively, and are formed integrally with each other. A rectangular rear wall inner surface forming plate 11d facing the same angle and parallel to the front wall inner surface forming plate 11a, and the left and right front wall inner surface forming plates 11b from the left and right side edges of the rear wall inner surface forming plate 11d, respectively. , 11c, and the left and right side rear wall inner surface forming plates 11e, 11f of the narrow rectangular shape integrally formed in a protruding shape, and these forming plates 11a, 11b, 11c, 11d, 11e,
It is formed from an arch-shaped bottom forming plate 11g integrally formed in a horizontal shape between the upper edges of 11f.

Here, the left and right widths of the left front wall inner surface molding plate 11b, the right front wall inner surface molding plate 11c, and the front wall inner surface molding plate 41a of the straight portion molded body 7 which will be described later are formed to have the same width. The left and right widths of the left front wall b and the right front wall c of the retaining wall block B to be molded are
As described above, either one is set to be twice the other.

Moreover, as shown in FIG. 5, the corner molding 8 has a corner front wall inner surface molding plate 11a and a corner front wall inner surface molding plate 11d.
Are formed symmetrically with respect to an imaginary center line that connects the respective central portions.

Next, the straight portion molded body 7 of the upper end surface and the inner peripheral surface molded portion 1 will be described. The straight portion molded body 7 is on the supporting machine frame 40 as shown in FIGS. 5 and 6. In addition, a straight-portion molded body 41 formed in a gate shape for molding the inner peripheral surface, and integrally molded by horizontally extending from the front lower edge and the rear lower edge of the straight-portion molded body 41. Front wall upper surface forming plate
42, the rear wall upper end surface molding plate 43, and left and right connection plates 44, 44 stretched at the left and right side end portions of the straight-portion molded body 41, respectively. 44a and 44b are connecting rod insertion holes formed by matching the left and right connecting plates 44 and 44 at the left and right facing positions respectively, 45 is a connecting rod, 45a is a hook formed at the tip of the connecting rod 45, and 45b is a nut. is there.

As shown in FIGS. 5 and 6, the supporting machine frame 40 includes a front molded body mounting frame 40a and a rear molded body mounting frame.
40b and the left and right side end face molded body mounting frames 40c, 40d interposed between the left and right side ends of both mounting frames 40a, 40b are formed in a rectangular frame shape, and the front and rear surface molded body mounting frames 40a, 40b are provided in the middle part. A reinforcing frame 40e is provided between them, and molded body pivot brackets 71, 72, 73, 74 are projected on the front and rear surface molded body mounting frames 40a, 40b and the left and right end surface molded body mounting frames 40c, 40d, respectively. The left and right side end face molded body mounting frames 40c, 40d are provided with bracket insertion holes 75, 76 for inserting the molded body pivot brackets 24, 25 protruding from the above-mentioned corner molded body 8 and the corner molded body. 8 are formed with bolt insertion holes 77, 77 for connecting with connecting bolts 29. Reference numeral 78 is a connection positioning hole.

Further, the straight portion molded body 41 is shown in FIGS.
As shown in Fig. 4, it is composed of a pair of front and rear wall inner surface forming plates 41a, 41b formed in a horizontally long rectangular shape, and an arch-shaped bottom surface forming plate 41c horizontally extending between the upper ends of the both forming plates 41a, 41b. .

Next, the front molding part 2 will be described.
As shown in FIGS. 1 to 4, the front surface molding portion 2 is formed of a corner front molding body 50 and left and right front molding bodies 51 and 52.

As shown in FIG. 1, the corner front molded body 50 is slightly wider than the corner front wall inner surface molding plate 11a in the left and right direction, and has the same vertical width as the corner front wall inner surface molding plate 11a. A frame body 50a formed in a substantially identical rectangular frame shape and a front molded body body 50 stretched around the rear edge of the frame body 50a so as to be adjustable in forward and backward movement positions.
b, the forward / backward adjuster 50c for adjusting the front molded body 50b in the forward / backward position, and the left and right side couplings 50d and 50e connected to the left and right side walls of the frame 50a. Molded body support bracket 21 protruding from the front molded body mounting frame 10a
It can be placed on top.

As shown in FIGS. 1 and 2, the left front molding 51 is a frame 51a formed in the shape of a rectangular frame having substantially the same vertical and horizontal widths as the left front wall inner molding 11b, and the same frame. Front molded body that is stretched around the rear edge of 51a so that it can be moved forward and backward.
51b and an advancing / retreating position adjusting tool 51c for adjusting the front molded body 51b in the forward / backward movement position, and a lower end of the frame 51a is provided with a bifurcated pivoting protrusion 51d. , The pivot support projection 51d is engaged with the molded body pivot support bracket 22 projecting from the left front molded body mounting frame 10b from above via the locking pin 22a, and can be pivotally supported outwardly. In addition, a tilt restricting protrusion 51e is vertically provided on the lower portion of the frame 51a.

As shown in FIGS. 1 to 4, the right front molded body 52 is formed in a horizontally long rectangular shape having substantially the same vertical and horizontal widths as the connected right front wall inner molding plate 11c and front wall inner molding plate 41a. Frame 52a, a front molded body 52b stretched around the rear edge of the frame 52a so that the front and rear positions can be adjusted, and the front molded body 52a.
52b is formed from an advancing / retreating position adjuster 52c for adjusting the forward / backward position, and a lower end of the frame body 52a is provided with a bifurcated pivoting protrusion 52d for lowering the pivoting protrusion 52d. To the right front molded body mounting frame 10b and the front molded body mounting frame 40a, respectively.
It is possible to engage it from above through the above, and can be pivotally supported so that it can be tilted outward, and a tilt restricting projection 52e is vertically provided at the lower part of the frame 52a.

Next, the rear surface molding section 3 will be described.
The rear surface molded body 3 is, as shown in FIG. 1, a corner rear surface molded body.
55 and a straight portion rear surface molded body 56.

As shown in FIG. 1, the corner rear surface molded body 55 is slightly wider than the corner rear wall inner surface molded plate 10d in the left-right direction, and has the same vertical width as the corner rear wall inner surface molded plate 11d. It is formed of a frame body 55a formed in a substantially identical rectangular frame shape, and a rear surface molded body main body 55b stretched around the front end peripheral edge of the frame body 55a.

Further, as shown in FIGS. 1, 3 and 4, the straight portion rear surface molded body 56 is a frame formed in a horizontally long rectangular shape having substantially the same vertical and horizontal widths as the rear wall inner surface molded plate 41b. Body 56a,
The frame body 56a is formed by a rear molded body 56b that is stretched around the front edge of the frame body 56a, and a lower end of the frame body 56a is provided with a bifurcated pivoting protrusion 56d. The projecting piece 56d can be engaged with the molded body pivot bracket 72 projecting from the rear molded body mounting frame 40b from above via the locking pin 72a.
At the lower part of a, a tilt control projection 56e is provided vertically.

Moreover, the frame body of the corner rear surface molding 55 described above.
As shown in FIG. 1, connecting projections 55c and 56c are respectively provided at the portions where 55a and the frame body 56a of the rear surface molded body 56 of the straight portion abut.
Is formed, and the contacting projecting pieces 55c, 56c can be connected to each other by a connecting bolt (not shown).

Next, the end face forming section 4 will be described.
As shown in FIGS. 1, 2 and 4, the end face forming portion 4 is a right front face forming body which is erected to be in a mold assembly posture.
The front and rear widths formed between the front end of 52 and the rear end of the straight portion rear surface molded body 56 are approximately the same as the front and rear width, and these molded bodies 52, 56
A frame body 4a having substantially the same vertical width as the vertical width of, and an end face forming plate 4b stretched on the inner peripheral edge of the frame body 4a,
A lower end of the frame 4a is provided with a pivoting protrusion 4c having a bifurcated lower end.
It is possible to engage the molded body pivot brackets 73 and 74 projecting from the upper side from above via locking pins 73a and 74a.

Moreover, clamp type connecting members 60, 60 are attached to the upper left and right positions of the end face forming portion 4, and the connecting members 60, 60 connect the front and rear face forming portions 2, 3 with connecting hooks 61, 61. Can be connected.

Next, the core 5 for forming the reinforcing bar insertion hole g at the corner portion of the retaining wall block B will be described.
As shown in FIGS. 1 and 2, a core body having an inverted truncated cone shape
5a and the core body 5a, the bottom molding plate 11 of the corner molding body 11
It is formed from positioning rods 5b and 5b for positioning to g, and the positioning rods 5b and 5b are the core body.
The core body 5a is placed on the bottom molding plate 11g by inserting the bottom end into the rod insertion holes 11h, 11h formed in the bottom molding plate 11g of the corner molding body 11 by vertically penetrating the inside of the core body 5a. Positioning is possible.

Next, the core 6 for forming the reinforcing bar insertion hole h in the straight portion of the retaining wall block B will be described.
Is a core body 6a formed in the same shape as the core body 5a,
The core body 6a is formed from a support 6b that supports the core body 6a in a pendant shape. Connect the front and rear ends of the connecting brackets 62 and 63 to the connecting bolts 6 respectively.
The core body 6a can be supported in a hanging state with the lower end surface abutting on the bottom surface molding plate 41c of the straight part molded body 7 by connecting and laterally connecting it with 4,65. There is.

Next, a procedure for assembling the mold apparatus A having the above-described structure will be described.

One side end of the straight portion molded body 7 is connected to one of the left and right side end portions of the corner portion molded body 8 to form the upper end surface and the inner peripheral surface molded portion 1.

At this time, for example, as shown in FIG. 5, when the straight-portion molded body 7 is connected to the right side of the corner-portion molded body 8,
Molded body pivot brackets 73, 73 protruding from the left end molded body mounting frame 40c of the straight molded body 7 in the bracket insertion holes 27, 27 formed in the right molded body mounting frame 10f of the corner molded body 8
Is inserted, and the connection positioning pin 31 is fitted into the connection positioning hole 78 to form the connection rod insertion hole 14a formed in the right connection plate 14 of the corner portion molded body 8 and the left connection plate 44 of the straight portion molded body 7. The connecting rod insertion hole 44a
Is the connecting rod insertion hole 44b of the right connecting plate 44 of the straight portion molded body 7.
The connecting rod insertion holes 44a, 14a, and the hooks 45a formed at the tips of the connecting rods 45 are locked in the insertion holes 44a, 14a.
Fix the base end of the to the right connection plate 44 via the nut 45b.

Then, the bolt insertion holes 30, 30, 77, 77 formed in both the mounting frames 10f, 40c are aligned with each other, and the connection bolts 29 are inserted into the aligned insertion holes 30, 77 for connection.

Support machine frame for the upper end surface and the inner peripheral surface molding portion 1
Molded body pivot brackets 21,22,
23,24,71,72,74, the projections 51d, 52d for pivot support projecting from the lower end portions of the front surface molding portion 2, the rear surface molding portion 3 and the end surface molding portions 4 and 4, respectively.
56d, 4c, 4c are engaged from above via the locking pins 21a, 22a, 23a, 24a, 71a, 72a, 74a, and the clamp type couplings 60, 6
0, 60, 60 connect the front and rear surface forming portions 2, 3 and the end surface forming portions 4, 4 via the connecting hooks 61, 61, 61, 61.

At this time, the front molding part 2 can be formed by connecting the left and right front moldings 51 and 52 to the corner front molding 50 in advance, as shown in FIG. 50,5
The front molded body bodies 50b, 51b, 52b of 1,52 are the advance / retreat adjusters 50c,
By adjusting the forward / backward movements in the front-rear direction by 51c and 52c, the wall thickness of each front wall b, c, d of the retaining wall block B can be set.

Further, each front molded body 50b, 51b, 52b is detachably attached to each frame 50a, 51a, 52a, and separately replaced by a front molded body having a relief mat, to thereby form a retaining wall block. It is also possible to form a pseudo stone pattern with a relief mat on the front surface of each front wall b, c, d of B.

The core 5 is attached to the corner compact 8.

At this time, the core 5 is such that the core body 5a is placed on the bottom molding plate 11g of the corner molding body 11 and one positioning rod penetrated through the core body 5a. The lower end of 5b, 5b, the rod insertion hole 11h, which is formed in the bottom molding plate 11g,
By inserting it in 11h, it can be positioned and easily installed.

The core 6 is attached to the straight portion molded body 7.

At this time, in the core 6, the front and rear ends of the support body 6b are connected to the connecting brackets 62 and 63 provided on the upper surfaces of the left front molded body 52 and the straight rear molded body 56 by connecting bolts 64 and 65, respectively. By connecting them, the lower end surface of the core body 6a supported by the support body 6b can be supported in a suspended state by abutting against the bottom surface molding plate 41c of the straight-portion molding body 41.

Formwork apparatus A assembled as described above
The form device A can be disassembled by filling the inside with concrete and solidifying it to form the retaining wall block B, and then by reversing the above steps 1 to 3.

At this time, the corner front moldings 50 and the left and right front moldings 51, 52 forming the front molding 2, the corner rear moldings 55 forming the rear molding 3, and the straight shape. The rear surface molded body 56 and the end surface molded portions 4 and 4 are connected to each other by a clamp type connecting tool 60 and a connecting bolt. When it is rotated by a certain angle, the lower ends of the tilt control projections 51e, 52e, 56e projecting from the lower ends of the forming parts are moved to the supporting machine frames 10, 4 respectively.
The molded body 50, 51, 52, 55, 56 and the end face forming portions 4, 4 can be held in an inclined posture by being locked at 0, and the molded retaining wall block B can be easily taken out. it can.

Then, when the frame apparatus A is assembled next, the respective molded bodies 50, 51, 52, 55, 56 and the end face molding portions 4, 4 are turned inward to be in the standing posture. In the same state, the form frame apparatus A can be easily assembled by connecting the clamp type connecting tools 60 and the connecting bolts to each other.

Further, when the angle of the corner of the retaining wall block B to be molded is changed, the corner molding 8 and the corner front molding are performed as in the formwork devices A and A shown in FIGS. 7 and 8. Other constituent members can be shared by simply changing the left and right side connecting bodies 50d and 50e of the body 50. In the formwork apparatus A shown in FIG. 7, the corner rear surface forming body 55 is not necessary. do not do.

In the formwork apparatus A, one of the straight-portion molded bodies 7 prepared in at least one form is provided at one of the left and right ends of the corner molded body 8 selected from a plurality of prepared forms. The side ends can be selectively connected.

Here, as the straight-portion molded body 8, for example, a plurality of shapes having different lateral extension widths may be prepared and used by selecting from these.

Therefore, in the frame apparatus A according to the present invention, the angle of the corner portion of the retaining wall block B to be molded can be selectively set, and the straight portion can be molded on either the left or right side. In addition, the extension of the straight portion can be set arbitrarily, and the retaining wall block B suitable for the retaining wall to be built can be formed.

[0054]

According to the present invention, the following effects can be obtained.

According to the present invention as set forth in claim 1, the formwork apparatus includes the upper end surface and the inner peripheral surface molding portion, the front surface molding portion, the rear surface molding portion, the end surface molding portion, and the core, and Since the top retaining wall block for corners having a U-shaped cross section having a reinforcing bar insertion hole can be molded, the corner retaining wall block for corners is arranged in the corner located at the uppermost stage of the retaining wall. By doing so, the retaining wall can be built easily and surely without forming the corner portion by the cast-in-place concrete.

In addition, since the top end retaining wall block for the corner portion has the reinforcing bar insertion hole at the bottom, the reinforcing bar is inserted into the reinforcing bar insertion holes of the retaining wall blocks stacked vertically. By filling and solidifying concrete in the reinforcing bar insertion holes communicating in the vertical direction, it is possible to build a strong retaining wall with an integral retaining wall block from the uppermost stage to the lowermost stage.

Further, since the corner end top retaining wall block is formed in a substantially U-shaped cross section, the left and right widths are set in the concave space formed in a communicating state by the left and right retaining wall blocks. By inserting the reinforcing bar extending in the direction and filling with concrete to solidify it, it is possible to construct a strong retaining wall with the retaining wall block that is also integrated in the left-right width direction.

According to the second aspect of the present invention, the upper end surface and the inner peripheral surface forming portion are formed by forming a straight portion forming the straight portion of the top end retaining wall block for the corner portion, and the retaining wall block. Since it is formed from the corner portion molded body that molds the corner portion, one side end portion of the straight portion molded body can be removably attached to one of the left and right side end portions of the same corner portion molded body. In addition, by changing the molding of the straight portion, the straight portion of the corner end retaining wall block for the corner portion can be appropriately molded on either the right or left side, and can be adapted to the retaining wall to be built.

According to the present invention of claim 3, the upper end surface and the inner peripheral surface forming portion are formed in a plurality of shapes in conformity with the angle of the corner portion of the corner end ceiling retaining wall block to be formed. Since it has a molded body and at least one form of a straight-shaped molded body in which one side end can be removably attached to one of the left and right side ends of the corner molded bodies of these plural forms For the corner angle of the retaining wall to be built, by selecting a corner molded body that is suitable for the retaining wall to be built, and combining it with the straight portion molded body to form the upper end surface and the inner peripheral surface molded portion. A suitable top retaining wall block for corners can be molded, and the retaining wall block can simplify the construction work of the retaining wall.

[Brief description of drawings]

FIG. 1 is a plan view of a formwork apparatus according to the present invention.

FIG. 2 is a partially cutaway front view of the formwork apparatus.

FIG. 3 is a sectional side view of the formwork apparatus.

FIG. 4 is a right side view of the formwork apparatus.

FIG. 5 is a plan view of an upper end surface and an inner peripheral surface forming portion.

FIG. 6 is a bottom view of the upper end surface and the inner peripheral surface forming portion.

FIG. 7 is an explanatory plan view of a modified use of the formwork device.

FIG. 8 is an explanatory plan view of a modified use of the formwork apparatus.

FIG. 9 is a perspective view of a top end retaining wall block for a corner portion.

FIG. 10 is a plan view of the retaining wall block.

FIG. 11 is a rear view of the retaining wall block.

[Explanation of symbols]

 A Formwork device 1 Upper end surface and inner peripheral surface molding part 2 Rear surface molding part 4 End surface molding part 5 Core

Claims (3)

[Claims] 1. A formwork device for a corner top retaining wall block that forms the uppermost step of the corner part of the retaining wall, wherein the formwork device has a substantially U-shaped cross-section top end retainer. An upper end surface and an inner peripheral surface forming part for forming an upper end surface and an inner peripheral surface of the wall block, a front surface forming part for forming a front surface of the retaining wall block, and a rear surface forming part for forming a rear surface of the retaining wall block. A mold for a top end retaining wall block for corners, comprising an end face forming portion for forming an end face of the retaining wall block and a core for forming a reinforcing bar insertion hole at a bottom portion of the retaining wall block. apparatus. 2. An upper end surface and an inner peripheral surface forming portion are formed by a straight portion forming body for forming a straight portion of a top end retaining wall block for a corner portion, and a corner forming portion for forming a corner portion of the retaining wall block. 2. The body according to claim 1, wherein one end portion of the straight-portion molded body can be removably attached to one of the left and right side end portions of the same-cornered-portion molded body. Formwork device for the top retaining wall block for corners. 3. An upper end surface and an inner peripheral surface forming part, and a plurality of corner forming bodies formed by being adapted to the angles of the corners of the corner end top retaining wall block to be formed, and the corners of the plurality of forms. The corner portion according to claim 1, further comprising: at least one form of a straight portion molded body in which one side end portion can be removably attached to either of the left and right side end portions of the partial molded body. Forming device for the ceiling retaining wall block.