JP3327379B2 - Coated block and method of manufacturing the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a covering block used as a protective work for covering a foundation ground surface on a slope, a slope, or a top end face of a breakwater or a seawall.
And a method of manufacturing a coated block for manufacturing the coated block.

[0002]

2. Description of the Related Art Conventionally, a rectangular slab-shaped concrete block or a rectangular frame-shaped concrete block has been used as this type of covering block used for revetment work or the like. The conventional covering block, which is simply a concrete block, is generally assembled at an assembly site near the construction site, filled with concrete, left for a few days, solidified, and then demolded. After being transferred to a temporary storage place for curing using the slinging means of the above and curing for about 28 days in order to obtain the design standard strength of concrete, the hanging operation using the slinging means was carried out.
Transport to the construction site and lay it on slopes.

[0003]

A conventional covering block is a concrete block whose weight is, for example,
Since it is a wide variety of 0.5 to 80 tons and is heavy, the number and types of molds used for block molding also increase. Moreover, since the concrete block is required to have the standard strength in a state where the molding frame is removed from the mold, long-term curing is required, and a vast curing yard must be prepared. Also, the shape of the concrete block is formed into a deformed structure, such as a tetrapod, to ensure stability after laying. The work of slinging and removing for hanging and transporting which occurs in the above is extremely complicated.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional drawbacks. By simplifying the shape of a covering block, it is possible to manufacture a basic member at a factory, and at the assembly site, to manufacture the basic member. It is an object of the present invention to provide a method of manufacturing a covered block which can reduce the assembling work load and can be used for a short period of time after assembling the covered block.

[0005]

According to a first aspect of the present invention, there is provided a covering block in which a rectangular frame formed by welding and joining steel pipes is filled with concrete or mortar, and a lower surface and an upper surface of the rectangular frame. A grid-like or net-like bottom panel and a lid panel are provided on each side, and a space surrounded by the bottom panel and the lid panel inside the rectangular frame is filled with a filling material.

According to a second aspect of the present invention, in the covering block of the first aspect, a shelf for receiving the bottom panel is fixed to a lower surface inside the rectangular frame, and a peripheral portion of the bottom panel is placed on the shelf. I do.

A third aspect of the present invention is the coating block according to the first or second aspect, wherein all or a part of the four connecting portions of the pipes forming the rectangular frame are filled with concrete or mortar when the concrete or mortar is filled. Are communicable with each other.

According to a fourth aspect of the present invention, there is provided a method of manufacturing a coated block for manufacturing a coated block according to the second aspect, wherein a rectangular frame, a lid panel, and a bottom panel manufactured separately are carried into an assembly site near a construction site. At the assembly site, fill the rectangular frame with concrete or mortar, lay the rectangular frame down, place the bottom panel on a shelf in the rectangular frame, fill the rectangular frame with the filling material, and then fill in the rectangular frame. The lid panel is fixed to the upper surface of the frame by welding.

[0009] Claim 5 is the method for producing a coating block for producing coated block according to claim 2, was fabricated separately, the two angles frame a steel tube was welded to the L-shaped and the lid panel and the bottom The panel is carried into an assembly site near the construction site, where the two angle frames are welded and joined to form a rectangular frame. Concrete or mortar is filled in the tube of the rectangular frame, and the rectangular frame is laid down. And placing the bottom panel on a shelf in the rectangular frame, filling the rectangular frame with filling material, and then welding and fixing the lid panel to the upper surface of the rectangular frame.

According to a sixth aspect of the present invention, in the method for manufacturing a coated block according to the fourth or fifth aspect, when filling concrete or mortar in the tube of the rectangular frame, the rectangular frame is placed horizontally, and an injection hole and an air vent hole are provided. It is characterized by pouring concrete or mortar through holes.

According to a seventh aspect of the present invention, in the method for manufacturing a covering block according to the fourth or fifth aspect, when filling concrete or mortar in the tube of the rectangular frame, the rectangular frame is set upright, and an injection hole and an air vent hole are provided. Concrete or mortar is injected from the injection hole.

[0012] Claim 8 is a manufacturing method of a coating block for producing coated block according to claim 2, was fabricated separately, the two angles frame a steel tube was welded to the L-shaped and the lid panel and the bottom The panel is carried into an assembly site near the construction site, where concrete or mortar is filled in the pipe of the angle frame, and the two angle frames filled with the concrete or mortar are welded and joined to form a rectangular frame. The rectangular frame is laid down, the bottom panel is placed on a shelf in the rectangular frame, the filling material is filled in the rectangular frame, and the lid panel is fixed by welding to the upper surface of the rectangular frame.

According to a ninth aspect of the present invention, there is provided a method of manufacturing a coated block for manufacturing the coated block according to the second aspect.
At the assembly site near the construction site, a straight steel pipe with holes for the distribution of concrete or mortar near both ends, a U-shaped frame formed by welding and joining steel pipes, a lid panel, and a bottom panel At the assembly site, the straight steel pipe is placed horizontally, and the U-shaped frame is erected and welded on the steel pipe to form a vertical rectangular frame. Concrete or mortar is poured from the filling port of this machine, the rectangular frame is laid down, the bottom panel is put on a shelf in the rectangular frame, then the filling material is filled in the rectangular frame, and the lid panel is welded to the upper surface of the rectangular frame. It is characterized by being fixed.

According to a tenth aspect of the present invention, in the covering block according to the first, second or third aspect, as a concrete or mortar aggregate to be filled in the tube of the rectangular frame formed by welding and joining a steel tube, a construction-generated material or industrial waste is used. It is characterized by using goods or industrial by-products.

According to an eleventh aspect of the present invention, in the covering block according to the first, second or third aspect, a concrete block or a recycled concrete block is used as a filling material for filling a space surrounded by a bottom panel and a lid panel inside a rectangular frame. Is used.

[0016]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIGS. As shown in FIG. 21, for example, as shown in FIG. 21, the covering block of the present invention may be used as a slope protection work 1 or a Hojiri protection work 2 as a seawall or river protection work, a protection work for covering the surface of a submerged levee, or other ground surface. It is laid and used for various applications to protect the ground surface. The coating block is indicated by 3. The covering block 3 of the embodiment is shown in FIG.
As shown in FIG. 3, concrete or mortar (hereinafter referred to as concrete) 6 is filled in a rectangular frame 5 formed by welding and joining four rectangular steel tubes 4a and 4b, and the lower surface of the rectangular frame 5 is formed. A lattice-shaped bottom panel 7 and a lid panel 8 are provided on the side and the top side, respectively. A space surrounded by the bottom panel 7 and the lid panel 8 inside the rectangular frame 5 is filled with, for example, a stone 9 as a filling material. , And hooks 11 are welded and fixed to four corners on the upper surface of the rectangular frame 5.

Opposite 2 on the lower surface side inside the rectangular frame 5
A shelf 10 for mounting both edges of the bottom panel 7 is welded and fixed to the sides. As shown in FIGS. 4 and 5, the shelf 10 has a plurality of shelf supports 10a welded and fixed at intervals on the lower surface inside the rectangular frame 5, and a shelf plate 10b is placed on the shelf supports 10a. It is a configuration where it is fixed by mounting and welding.

As shown in FIGS. 4, 5, and 6, the bottom panel 7 has a configuration in which a plurality of round bars 7a arranged at intervals are welded and fixed to both ends of a flat bar 7b. The flat bar 7b is placed on the shelf 10. In the illustrated example, a flat bar 7c is also fixed to the central portion by welding to reinforce the bottom panel 7.

As shown in FIGS. 4 and 6, the lid panel 8 is welded and fixed to an inner surface of an angle iron 8b in which both ends of a plurality of round bars 8a arranged at intervals are inverted. A flat bar 8c is fixed to the lower end of the angle iron 8b by welding.
In addition, a plurality of ribs 8d for reinforcement are welded and fixed at intervals.
Place the flat bar 8c on the upper surface of the rectangular frame 5,
Fix by welding.

To describe an example of the size of the above-mentioned covering block 3, the whole is a square of 3 meters × 3 meters, and the two square steel pipes 4a are 16 (sheet thickness) × 700 (length).
× 550 (horizontal) mm, the other two square steel pipes 4b are 12
(Plate thickness) × 600 (length) × 450 (width) mm. The lattice material of the bottom panel 7 and the lid panel 8 is a round bar having a diameter of 32 mm.

Next, an example of a manufacturing method (the manufacturing method of claim 5) for manufacturing the above-described coated block 3 will be described with reference to FIGS. First, at the factory, as shown in FIG. 6, two angle frames 15 in which the rectangular steel pipes 4a and 4b are welded and connected in an L-shape, and the above-described bottom panel 7 and lid panel 8 are manufactured. The above-mentioned shelf 10 and hook 11 are fixed to each angle frame 15 by welding. In addition, near the corner of the upper surface of each angle frame 15, an injection port 16 for naturally injecting concrete is formed, and similarly, air vent holes 17 are formed near both ends of the upper surface. In addition, a connection port 4c through which concrete can flow at the time of pouring concrete is opened in a connection portion between the square steel pipe 4a and the square steel pipe 4b. In the illustrated example, one end of the angle frame 15 is closed by the plate 15a, and the other end remains open.

At the time of applying the covering block, the above-mentioned members 7, 8, and 15 are transported to an assembling site in a required number of trucks. At the assembly site, as shown in FIG. 7, the two angle frames 15 are placed horizontally on the work table 30, and the butted portions are welded and connected to form a rectangle (square in the embodiment), as shown in FIG. The rectangular frame 5 is obtained. Next, concrete is injected from the injection port 16 of the rectangular frame 5 to fill the entire inside of the tube of the rectangular frame 5 with concrete.
The procedure for injecting concrete into the pipe of the horizontally placed rectangular frame 5 will be described later.

Next, the plates 18 and 1 shown in FIG.
9 is placed over the inlet 16 and the air vent 17 and fixed by welding to close the inlet 16 and the air vent 17.

Next, as shown in FIG.
Is inserted into the rectangular frame 5 and simply placed on the shelf 10 (no welding is required). In this case, as shown in FIGS. 2, 4, and 5, the flat bar 7b on both sides of the bottom panel 7 rides on the shelf 10. The bottom panel 7 may be inserted into the rectangular frame 5 before concrete is poured (the order of FIGS. 9 and 10 is reversed).

Next, as shown in FIG.
The stones 9 are packed one by one into the rectangular frame 5 to which is attached.

Next, as shown in FIG.
Is placed on the upper surface of the rectangular frame 5 and the flat bar 8c on both sides is fixed to the upper surface of the rectangular frame 5 by welding, whereby the covering block 3 shown in FIG. 13 (the same as the covering block shown in FIGS. 1 to 3) is completed. I do. The completed covering block 3 is transported to a construction site by hanging operation using slinging means, and is laid on a slope or the like.

The procedure for filling concrete into the rectangular frame 5 in the above-described process is shown in FIGS.
Each case shown in (c) and (d) can be considered. The above-described embodiment is the case shown in FIG. 10A, which is a case of a spontaneous injection method and two injection ports 16. Air vent hole 17
Are four places. Concrete has two inlets 16
Then, it flows as indicated by the arrow, and is filled in the pipe for each angle frame 15. FIG. 2B shows a case in which the injection port 16 is provided at four locations in a natural injection method. There are four air vent holes 17.
In this case, the concrete flows from the respective injection ports 16 as indicated by arrows, and is filled into the square steel pipes 4a and 4b. FIG. 3C shows a pressure injection type, that is, injection by a concrete pump, in which the pressure injection port 16 ′ is provided at one place. There are three air vent holes 17. In this case, the concrete pumped from the concrete pump truck flows from one injection port 16 'as shown by the arrow.
The entire rectangular frame 5 is filled in the tube. FIG. 4D shows a case in which the pressure injection type is a pressure injection type and two pressure injection ports 16 ′ are provided. There are two air vent holes 17. In this case, the concrete pumped from the concrete pump truck flows from two injection ports 16 'as shown by arrows, and is filled into the pipe for each angle frame 15.

Although the natural injection method shown in FIGS. 14 (a) and 14 (b) is simple, the injection work by human power is heavy labor, and it is difficult to completely fill the pipe. FIG.
The pressure injection methods (c) and (d) are complicated in that a concrete pump truck is required, but the concrete injection is easy and the pipe can be completely filled.

In the above-described embodiment, two angle frames 15 are manufactured at the factory and are used by welding at the assembly site to the rectangular frames 5. However, at the factory, the rectangular frames 5 as shown in FIG. The rectangular frame 5 is transported to an assembly site to manufacture the covering block 3 (the manufacturing method according to claim 4).
It is also possible. The steps at the assembly site in this case are almost the same as the steps in FIGS.

It is also possible to fill concrete into the tubes of the respective angle frames 15 at the stage of the angle frames 15 (the manufacturing method of claim 8). To explain this case, as shown in FIG.
5 and the concrete is filled from the open end as indicated by the arrow, or as shown in FIG. Fill to make concrete-filled angle frames. The air bleed hole 17 also functions as a hole for confirming the filling state of the concrete or mortar during filling work. After confirming the filling state, the hole is closed, and then the filling is performed in the vertical portion or the inclined portion. . The two concrete-filled angle frames 15 shown in FIG. 16 thus obtained are combined into a rectangular shape, and the butted portions are connected by welding to obtain a concrete-filled rectangular frame. After obtaining the concrete-filled rectangular frame, the steps are almost the same as those in the above-described embodiment shown in FIG. 10, FIG. 11, FIG. 12, and FIG. That is,
The bottom panel 7 is set in the rectangular frame 5, the stone 9 is packed in the rectangular frame 5, and the cover panel 8 is fixed to the upper surface of the rectangular frame 5 by welding to obtain the covering block 3.

FIGS. 17 to 20 show an embodiment of a manufacturing method (the manufacturing method according to claim 7 or 9) for filling concrete with the rectangular frame 5 standing. As shown in FIG. 17, one rectangular steel pipe 4a and two rectangular steel pipes 4b, each having a communication opening 4c for concrete distribution and an air vent hole 23 near both ends, which are rectangular sides, are provided. A U-shaped frame 21 formed by welding one square steel pipe 4a to a U-shape is manufactured at a factory. A pressure injection port 24 and an air vent hole 23 are opened in the square steel pipe 4a of the U-shaped frame 21, and the square steel pipe 4a of the U-shaped frame 21 and the left and right square steel pipes 4b are formed.
A connection port 4c for allowing the concrete to flow is opened in the connection portion with. In the illustrated example, a square pipe 22 for receiving the bottom panel 7 is welded and fixed to the U-shaped frame 21 at the factory. The point that the cover panel 7 and the cover panel 8 are manufactured in a factory is the same as the above. At the assembly site, as shown in FIG. 17, the straight rectangular steel pipe 4a is placed horizontally, and the U-shaped frame 21 is vertically welded thereon and joined by welding, as shown in FIG. 5 is formed. Next, the concrete pump 2
Concrete is injected from the injection port 24 at the upper part of the rectangular frame 5 from above 5, and concrete is filled in the pipe of the entire rectangular frame 5. After the concrete is filled, a plate is applied to the inlet 24 and the air vent hole 23 and welded to close the inlet 24 and the air vent hole 23. After the concrete-filled rectangular frame 5 is thus obtained, the concrete-filled rectangular frame 5 is laid down. Subsequent steps are substantially the same as the steps of the above-described embodiment shown in FIG. 10, FIG. 11, FIG. 12, and FIG. That is, the bottom panel 7 is set in the rectangular frame 5 and the stone 9
Are packed in a rectangular frame 5, and the cover panel 8 is fixed to the upper surface of the rectangular frame 5 by welding to obtain the covering block 3. In this case, as shown in FIG. 20, the bottom panel 7 has a square pipe 22 for receiving the bottom panel 7 welded and fixed to the rectangular frame 5 side in advance, so that the center of the bottom panel 7 shown in FIG. The flat bar 7c is unnecessary.

The rectangular frame 5 is not limited to a square as in the embodiment, but may be a rectangle. Further, the steel pipe forming the rectangular frame 5 may be a round steel pipe.

In the above description, concrete is filled in the tube of the rectangular frame 5, but mortar may be used. Also,
As the aggregate of concrete or mortar to be filled in the tube of the rectangular frame 5, construction waste such as concrete waste or reprocessing material, industrial waste such as sludge sludge, or industrial by-product such as steelmaking slag can be used. These materials act as a stable anchor for concrete and mortar, and for sealing inside the pipe. In this case, since these materials are filled in the pipe and are not exposed to the outside, and the quality of the materials is not required, there is no inconvenience in use, even if the appearance is unfavorable like the above-mentioned wastes. It is a very suitable method for reusing resources. Thus, the coated block of the present invention is extremely effective for resource recycling. Also,
There is also an effect that a waste disposal space can be secured and effectively used.

As a filling material for filling the space surrounded by the bottom panel 7 and the lid panel 8 inside the rectangular frame 5, a concrete block or a recycled concrete block can be used instead of stone. Thereby, the problem of resource depletion of natural stone and the problem of natural destruction accompanying quarrying can be avoided. In addition, local procurement becomes easier. Furthermore, it is extremely beneficial in that resource recycling can be effectively achieved.

[0035]

According to the present invention, concrete or mortar can be injected at an assembly site near a construction site. Therefore, a factory is manufactured as a rectangular frame or an angle frame made of steel pipe, and this lightweight member is used at the time of construction. Need only be transported to the assembling site near the construction site. Therefore, it is not necessary to transport heavy objects over a long distance such as a conventional concrete block, which facilitates transportation and reduces transportation costs. Further, since the production is performed in the factory production and the on-site assembling process, the load on the on-site assembling work can be reduced as much as possible. Also,
Since the covering block of the present invention has a simple rectangular structure, the work of suspending and transporting is extremely simple.

Since a rectangular frame made of a steel pipe is used as a mold and filled with concrete to form an integral structure, it is possible to provide for laying work only with curing for two to three days necessary for solidification of concrete. There is no mold work. For this reason,
Long-term curing like the conventional concrete block is not required, and therefore, the rotation of the temporary storage yard is quickened, and the effect that a large yard is not required can be obtained.

Since the rectangular frame or the angle frame itself made of steel pipe serves as a mold for injecting concrete or mortar, there is no need to assemble a separate mold, which is more efficient, and is more efficient than a conventional simple concrete block. Can be easily manufactured. Further, since the hook can be easily provided by welding to a rectangular frame made of a steel pipe, there is no complication as in the case where the hook is provided in a conventional simple concrete block.

According to the second and fourth to ninth aspects, the manufacture is extremely simple because the bottom panel need only be placed on a shelf in a rectangular frame.

According to the third aspect, since the connecting portions of the tubes forming the rectangular frame are in communication, there is no need to individually inject concrete or mortar into the four tubes. Can be injected and filled all over,
The work of pouring concrete or mortar is simplified.

According to the fifth or eighth aspect of the present invention, in the method of transporting an angle frame to an assembly site near a construction site, it is not bulky at the time of transportation, so that it can be easily transported by truck.

According to the method of pouring concrete or mortar with the rectangular frame placed horizontally as in claim 6, it is simple in that the rectangular frame need not be moved in the manufacturing process.

According to the seventh or ninth aspect, according to the method of pouring concrete or mortar by setting the rectangular frame upright, it is easy to fill the entire rectangular frame with concrete or mortar by pouring from one place. is there.

According to the method for filling concrete or mortar in the state of an angle frame as in claim 8, concrete or mortar can be easily and completely filled in a pipe.

When construction materials, industrial wastes, and industrial by-products are used as aggregates of concrete or mortar as described in claim 10, the resources can be effectively used, which is extremely effective for resource recycling. is there. In addition, there is an effect that a waste disposal space can be secured and effectively used.

When a concrete block or a recycled concrete block is used instead of stone as the filling material as in claim 11, the problem of depletion of natural stone resources and the problem of natural destruction accompanying quarrying can be avoided. This facilitates local procurement and has the effect of effectively recycling resources.

[Brief description of the drawings]

FIG. 1 is a plan view of a covering block showing one embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is an enlarged perspective view (stones are not shown) of the main part of FIG.

FIG. 5 is an enlarged view of a portion B in FIG. 2;

FIG. 6 is a perspective view for explaining the first step of the step of manufacturing the covering block of FIG. 1 by the manufacturing method of claim 5 (hereinafter, up to FIG. 13) and showing each member manufactured in a factory.

FIG. 7 is a view for explaining a step subsequent to FIG. 6 and for explaining a first step at an assembly site.

FIG. 8 is a view illustrating a step following FIG. 7;

FIG. 9 is a view for explaining a step following the step shown in FIG. 8;

FIG. 10 is a view for explaining a step following the step shown in FIG. 9;

FIG. 11 is a view for explaining a step following the step shown in FIG. 10;

FIG. 12 is a view for explaining a step following the step shown in FIG. 11;

FIG. 13 is a perspective view of a completed covering block for explaining a step following FIG. 12;

FIG. 14 is a view for explaining an embodiment of claim 6, in which a rectangular frame is placed horizontally to inject concrete or mortar, and FIG. In the case of (b), natural injection and four injection ports, (c) pressure injection and one injection port,
(B) shows the case of pressure injection and two injection ports.

FIG. 15 is a view for explaining one embodiment of manufacturing the coated block of FIG. 1 by the method for manufacturing a coated block according to claim 8, and is a view for explaining a first step at an assembly site. (A) and (B) show two cases of this process.

FIG. 16 is a view for explaining a step following the step shown in FIG. 15;

FIG. 17 is a view for explaining an embodiment of a method of manufacturing a coated block according to claim 9 and is an explanatory view of an initial stage of the manufacturing process. (A) and (B) show two cases of this first step.

FIG. 18 is a view for explaining a step following the step shown in FIG. 17;

FIG. 19 is a view illustrating a step following FIG. 18;

FIG. 20 is a sectional view of a covering block manufactured by the method for manufacturing a covering block according to claim 9;

FIG. 21 is a cross-sectional view of a slope protection work and a Hojiri protection work constructed as a revetment work, illustrating an example of use of the covering block of the present invention.

[Explanation of symbols]

 Reference Signs List 3 covering block 4a, 4b square steel pipe 5 rectangular frame 6 concrete or mortar 7 bottom panel 7a round bar 7b, 7c flat bar 8 lid panel 8a round bar 8b flat bar 8d rib 9 stone (filling material) 10 shelf 10a shelf support 10b Shelf plate 11 Hook 15 Angle frame 15a Plate 16 Inlet 16 'Pressure inlet 17 Air vent hole 18, 19 Plate 21 U-shaped frame 22 Square pipe of bottom panel receiver 23 Air vent hole 24 Pressure inlet

Continued on the front page (72) Inventor Yoshio Tohara 1-19 Kasuga Park, Kasuga City, Fukuoka Prefecture 35-201 Park Heights Kasuga 35-201 (72) Inventor Nobuo Takagi 7-1-1 Nishishitsu, Sakura City, Chiba Prefecture Wood Park Shitsu A304 (72 Inventor Yuhei Matsubara 2-162-14 Minami Koyamacho, Tottori City, Tottori Prefecture (72) Inventor Koichi Masuda 1203-5, Matsugasaki, Kashiwa City, Chiba Prefecture (72) Inventor Taizo Hasuo 4-4-22 Kamishinta, Toyonaka City, Osaka Prefecture −704 (72) Inventor Tomomi Terashima 4-9-34 Abo, Matsubara-shi, Osaka (56) References JP-A-7-207639 (JP, A) JP-A-7-3747 (JP, A) JP-A-8 -184054 (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) E02B 3/14 301 E02D 17/20 103

Claims (11)

(57) [Claims] 1. A rectangular frame formed by welding and joining steel pipes is filled with concrete or mortar, and a grid-like or net-like bottom panel and a lid panel are provided on the lower and upper sides of the rectangular frame, respectively. A covering block in which a space surrounded by a bottom panel and a lid panel inside a rectangular frame is filled with a filling material. 2. The covering block according to claim 1, wherein a shelf for receiving the bottom panel is fixed to a lower surface side inside the rectangular frame, and a peripheral portion of the bottom panel is placed on the shelf. 3. The method according to claim 1, wherein all or a part of the four connecting portions of the pipes forming the rectangular frame are in communication with each other so that the concrete or the mortar can flow when the concrete or the mortar is filled. The coated block according to claim 1 or 2, wherein 4. A method of manufacturing a coated block according to claim 2, wherein the rectangular frame, the lid panel, and the bottom panel manufactured separately are carried into an assembly site near the installation site. At this assembly site,
Fill concrete or mortar into the tube of the rectangular frame,
Lay this rectangular frame, put the bottom panel on the shelf in the rectangular frame,
Next, a filling material is filled in the rectangular frame, and then a lid panel is fixed to the upper surface of the rectangular frame by welding. 5. A method for manufacturing a coated block according to claim 2, wherein the two angle frames, the lid panel, and the bottom panel, which are separately manufactured and welded and fixed to the L-shaped steel pipe, are formed. It is carried into an assembly site near the construction site, where the two angle frames are welded and joined to form a rectangular frame, concrete or mortar is filled in the tube of the rectangular frame, and the rectangular frame is laid down, and the bottom panel is laid. Is placed on a shelf in a rectangular frame, a filling material is filled in the rectangular frame, and a lid panel is welded and fixed to an upper surface of the rectangular frame. 6. The method of filling concrete or mortar into a tube of a rectangular frame, wherein the rectangular frame is placed horizontally, an injection hole and an air vent hole are provided, and concrete or mortar is injected from the injection hole. Or the manufacturing method of the coating block of 5. 7. When filling concrete or mortar into a tube of a rectangular frame, the rectangular frame is set upright, an injection hole and an air vent hole are provided, and concrete or mortar is injected from the injection hole. Or the manufacturing method of the coating block of 5. 8. A method for manufacturing a coated block according to claim 2, wherein the two angle frames, the lid panel, and the bottom panel, which are separately manufactured and welded and fixed to the steel pipe in an L-shape, are provided. The concrete is transported to an assembly site near the construction site. At this assembly site, concrete or mortar is filled in the tube of the angle frame, and the two angle frames filled with the concrete or mortar are welded to form a rectangular frame. A method of manufacturing a covered block, comprising: laying a rectangular frame, placing a bottom panel on a shelf in the rectangular frame, filling the rectangular frame with a filling material, and then welding and fixing a lid panel to an upper surface of the rectangular frame. . 9. A method for manufacturing a coated block according to claim 2, wherein the linear steel pipe has a rectangular side, and holes near the both ends for the passage of concrete or mortar are provided. The U-shaped frame formed by welding and joining steel pipes, the lid panel, and the bottom panel are transported to the assembly site near the construction site.
The straight steel pipe is placed horizontally, and the U-shaped frame is erected and welded on it to form a vertical rectangular frame. In this vertical state, concrete or mortar is poured from the inlet at the top of the rectangular frame. Injecting, laying down the rectangular frame, placing the bottom panel on a shelf in the rectangular frame, filling the rectangular frame with filling material, and then welding and fixing the lid panel to the upper surface of the rectangular frame. Block manufacturing method. 10. A construction material or an industrial waste or an industrial by-product is used as an aggregate of concrete or mortar to be filled in the rectangular frame pipe formed by welding and joining steel pipes. , 2 or 3. 11. A concrete block or a recycled concrete block is used as a filling material for filling a space surrounded by a bottom panel and a cover panel inside the rectangular frame. 3. The coated block according to 3.