JP2004169296A - Construction method for structure using solidifying material, and form forming instrument - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction method for a structure using a solidifying material, which flexibly adapts to irregularities of an installation surface without the loss of its shape and enables the installation surface to be surely strengthened and protected in a fixed position. <P>SOLUTION: A form K, which is arranged on a slope G, is constituted by sealing a copying body wherein a net material is wounded like a roll in a flexible bag body, and a shape retaining member whose upper and lower parts are opened; a concrete body C is placed on the top surface of the form K so that a load can be applied; mortar M, which serves as the solidifying material, is pressed into the form K; and an undersurface of the form K is brought into close contact with the slope G in such a manner as to adapt to the shape of the slope G, by using an expansive force caused by the press-in of the mortar M. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a technology for constructing a structure using a solidified material on a slope, a wall in contact with a road, a protective surface for reinforcing the ground, and an uneven installation surface such as an existing concrete structure, or a technology for manufacturing a concrete block. About.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there is a method of reinforcing and protecting an installation surface such as a slope by covering the installation surface with concrete. However, according to this method, when the installation surface has irregularities, a construction period is required for the construction work.
Therefore, as shown in FIG. 9, a formwork 22 made of a flexible bag is installed on the slope G, a concrete body 23 is placed on the formwork 22, and the formwork 22 is loaded by the anchor body 24. In this method, a mortar M as a solidifying material is press-fitted into the mold 22, and the lower surface of the mold 22 is adapted to the unevenness of the slope G by the expansion force of the press-fitting so as to be closely contacted with the unevenness of the installation surface. was suggested.
However, the mortar M press-fitted into the formwork 22 moves downward by its own weight before solidification, and the formwork 22 is deformed and hangs down, thereby being displaced from the installation surface, and the reinforcement and protection of the installation surface are insufficient. There was a problem.
On the other hand, in the production of concrete blocks, there has been a problem that it takes time to carry in a formwork having weight and rigidity to the site and assemble it, and also take time to remove the formwork after forming the block.
[0003]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to solve these conventional problems, to flexibly cope with unevenness of the installation surface without deforming during solidification, and to solidify and protect the installation surface at a fixed position without fail. An object of the present invention is to provide a method of constructing a structure using a material and a tool for forming a mold. Another object of the present invention is to provide a mold forming apparatus which makes it easy to assemble a formwork in the manufacture of a concrete block, eliminates the need for removing the formwork, and can easily manufacture the concrete block on site.
[0004]
[Means for Solving the Problems]
The configuration of the present invention that has solved such a problem includes:
1) A shape holding member that allows the passage of the solidified material components into a bag of a required three-dimensional shape made of a flexible material that does not allow the components of the solidified material to pass therethrough and that holds the side shape of the bag body is opened and closed. Stop, place the bag on the installation surface, place a rigid plate on the top of the bag, apply a strong load in the direction of the installation surface, press the solidified material into the bag, and inflate the solidified material by press-fitting. A method of constructing a structure using a solidified material that allows the lower surface of the bag body to conform to the shape of the installation surface with force and closely contact, and solidify the press-fitted solidified material to build a structure corresponding to the unevenness of the installation surface 2) Seal the shape holding member that allows the components of the solidified material to pass through into a bag of a required three-dimensional shape made of a flexible material that does not allow the components of the solidified material to pass, and that opens up and down to maintain the side shape of the bag. Stop, place the bag on the installation surface, press-fit the solidified material into the bag, and place it on the top of the bag. Place a plate material with good properties and apply a strong load in the direction of the installation surface, adapt the bottom surface of the bag body to the shape of the installation surface with the load of the plate material, closely contact, and solidify the press-fitted solidified material to make the unevenness of the installation surface Method for constructing a structure using a solidified material capable of constructing a corresponding structure 3) Allowing the solidified material to pass through a bag having a required three-dimensional shape made of a flexible material that does not allow the solidified material to pass through And sealing the shape holding member that is open up and down, which holds the side shape of the bag body, arranges the bag body on the installation surface, and places a rigid plate material on the upper surface of the bag body to face the installation surface. At the same time as applying a strong load, the solidified material is pressed into the bag body, and the lower surface of the bag body is adapted to the shape of the installation surface by the load of the plate material and the expansion force due to the press-fitting of the solidified material, and the solidified pressurized material is solidified. Of a structure using a solidifying material that enables construction of a structure Construction method 4) An anchor fixing member is arranged on a plate material, a tension member of the anchor is penetrated through the plate material and the bag body, connected to the fixing member, and the anchor is attached in a tensioned state by the identification attaching member, so that the anchor is tensioned. The method for constructing a structure using the solidified material according to any one of 1) to 3) above, wherein the bag has a required weight, and the bag is loaded by its own weight. 6) The method for constructing a structure using the solidified material according to any one of the above 1) to 4) 6) A plurality of elastically deformable copying bodies which allow passage of components of the solidified material are arranged in parallel in the bag. 5) A method for constructing a structure using the solidified material according to any of the above 7) A method for constructing a structure using the solidified material according to the item 6), wherein the copy is obtained by winding a net or a porous material into a roll. 8) Divide the bag into multiple pieces, and along the edge of the divided small bag A method 9 for constructing a structure using a solidified material according to any one of the above 1) to 7), wherein a fastener is provided, and the small bags are connected to each other by a fastener to form a bag having a substantially outer shape of the structure. A shape holding member for allowing the components of the solidifying material to pass through and holding the side shape of the bag is sealed in a bag of a flexible material having a substantially outer shape of the structure and not allowing the components of the solidifying material to pass through. Form-forming tool 10) Form-forming tool according to 9), wherein a plurality of elastically deformable copying bodies permitting the passage of components of the solidified material are arranged in the bag body. 11) The copying body rolls a net material or a porous material. The mold forming apparatus according to 10), wherein the bag is divided into a plurality of pieces, a fastener is provided along the edge of the divided small bag, and the small bags are connected to each other with a fastener. 9) to 11 above, which constitute a bag having a substantially outer shape of the body. In mold forming device according to any one.
[0005]
[Action]
According to the present invention, the bag body is arranged on the installation surface, the solidified material is press-fitted into the bag body after loading with the plate material, and the lower surface of the bag body is installed by the load of the plate material and the expansion force due to the press-fitting of the solidified material. The solidified material is closely adhered to the shape of the surface, and the solidified material is solidified in a state in which the bag body is in close contact with the installation surface, and a structure corresponding to the unevenness of the installation surface is constructed. Since the side of the bag is hardly deformed and the bottom is easily deformed by the pressing force, even if the solidified material attempts to move by its own weight before solidification, the shape holding member is stopped, and the bag is not drooped and the mounting surface is not dropped. It is hard to shift.
When used for the production of concrete blocks, the bags are lightweight, so no labor is required to bring them to the site, they are easy and quick to assemble, and after the solidified material has solidified, the bags themselves are Since it becomes a part, the work of removing the formwork can be omitted altogether, and the construction period is significantly reduced.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
The installation surface of the present invention includes a slope, a wall in contact with a road, etc., a protection surface for strengthening the ground, a building foundation, a flat ground, a side wall, and the like. Anything below the height can be accommodated.
There are concrete and non-concrete as solidifying materials, and concrete concrete includes port concrete, resin concrete, mortar, north lamp concrete, etc. Non-concrete materials include urethane foam resin, acrylic resin, asphalt, rubber, etc. Yes, depending on the purpose and application.
The imitation body has a three-dimensional shape such as a cylinder, a prism, and a sphere, and is made of a net material. The solidified material that has been pressed can smoothly pass and fill before being solidified. An elastically deformable material is adopted.
As the shape of the plate material, a shape such as a cross shape capable of exhibiting a sufficient fixing force with a minimum necessary area is desirable.
The bag is preferably made of a material that does not allow the components of the solidifying material to pass therethrough because it can promote curing. When the solidifying material is mortar, it is preferable that the mortar does not pass but moisture can pass. Note that a fastener may be provided along the edge of the bag, and when a plurality of bags are arranged adjacent to each other, the bags may be connected to each other by the fastener to form an integrated bag.
Examples of the material of the copying body include metal, plastic such as polypropylene, rubber, resin fiber, and aramid resin, and are selected according to the state of the installation surface and the required strength. Further, it is also possible to use waste materials such as wire nets to be discarded.
Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
[0007]
【Example】
Example 1 (see FIGS. 1 to 6)
Example 1 shown in FIGS. 1 to 6 is an example of a method for constructing a structure to which the present invention is applied to strength and stabilization of a slope.
FIG. 1 is an explanatory diagram illustrating a construction state of the structure according to the first embodiment.
2 and 3 are partially cutaway perspective views of the formwork of the first embodiment.
FIG. 4 is a perspective view illustrating an assembled state of the mold of the first embodiment.
FIG. 5 is an explanatory diagram illustrating a procedure for constructing the structure according to the first embodiment.
FIG. 6 is a plan view illustrating a construction state of the structure according to the first embodiment.
[0008]
In the figure, 1 is a structure, 2 is a bag, 3 is a shape holding member, 4 is an insertion passage through which an anchor is inserted, 5 is a fastener, 6 is a bag, 7 is a shape holding member, 8 is a copy, and 9 is Reinforcing bars, 10 are fasteners, 11 is an injection hole for receiving solidified material, 12 is a tube for supplying solidified material, 13 is an anchor body, 13a is an anchor head, 14 is a fixing member, A is a gap, B is a plate material, Bh is an insertion path for inserting an anchor, C is a concrete body, Ch is an insertion path for inserting an anchor, G is a slope having irregularities to be reinforced, Gh is a drilled hole, and K is a formwork connecting a plurality of bags. , M is mortar and R is rock.
[0009]
In the first embodiment, as shown in FIG. 2, a net material is bent into a cubic shape to form a shape holding member 3 having an open upper and lower side. The shape holding member 3 is inserted into the flexible bag 2 which cannot pass components other than water in the mortar in which the insertion passage 4 through which the anchor to be inserted is formed. On the other hand, as shown in FIG. 3, the mesh material is bent into a rectangular parallelepiped shape such that the butted portion is on the inner side to form a shape holding member 7 which is opened up and down, and the mesh material is placed in the same shape holding member 7. A rectangular parallelepiped shape in which two copy bodies 8 wound in a roll are arranged side by side, a reinforcing bar 9 is arranged above the shape holding member 7, and a fastener 10 is provided on an edge of one side opened with the same material as the bag body 2. The shape holding member 7 and the copy body 8 are inserted into the bag body 6 and four bodies are prepared.
As shown in FIG. 4, these bags 2 and 4 are arranged in a cross shape around the bag 2, and adjacent portions are connected with fasteners 5 and 10 to form an integrated mold. A frame K is formed.
[0010]
On the upper surface of the formwork K, a reinforced concrete cross-shaped concrete body C having substantially the same outer shape as the formwork K is placed and fastened with a band (not shown) at a plurality of places, as shown in FIG. The concrete body C and the formwork K are temporarily installed on the slope G on which the drilling Gh is formed in advance by a crane or the like so that the drilling Gh and the insertion passages 4 and Ch communicate with each other. In this state, a gap A is formed between the mold K and the slope G.
Next, as shown in FIG. 5B, the anchor body 13 is pressed into the hole Gh through the insertion passages 4 and Ch, the fixing member 14 is screwed into the threaded anchor head 13a, and the identification attaching member 14 is inserted. The concrete body C is pressed toward the slope G side by the rotation of, and the formwork K is loaded. The copy 8 in the mold K is deformed by this load and slightly conforms to the irregularities of the slope G, and the gap A between the mold K and the slope G is reduced.
Then, as shown in FIG. 5 (c), the mortar M supplied from the outside is pressed into the mold K through the injection hole 11, and the lower surface of the mold K adapts to the unevenness of the slope G by the expansion force due to the press-fit. Close with. Thereafter, after a predetermined period, the mortar M is cured, a band (not shown) is removed, and the structure 1 shown in FIGS. 1 and 6 is constructed to strengthen and stabilize the slope G.
[0011]
In the first embodiment, since it is configured in this manner, it is possible to cope with the installation surface in any state by flexibly fitting and closely contacting the remarkable unevenness of the slope, and a strong structure can be constructed by an easy operation. In addition, since the side surface of the bag is hardly deformed by the shape holding member and the lower surface thereof is easy to deform, even if the solidified material is pressed into the solidified material and then tries to move by its own weight before solidifying, the shape holding member is not deformed. By stopping the structure, the structure can be reliably constructed at the exact position as designed without the formwork shifting from the installation surface.
[0012]
Example 2 (see FIG. 7)
Example 2 shown in FIG. 7 is an example of a method of constructing a structure in which a solidified material is first injected into a mold, and then a bag body is fixed with an anchor to be in close contact with the installation surface.
FIG. 7 is an explanatory diagram illustrating a procedure for constructing a structure according to the second embodiment.
In the drawing, B is a rigid plate material, and Bh is an insertion passage through which an anchor is inserted.
[0013]
In the second embodiment, a plate member B made of reinforced concrete having rigidity is placed on the upper surface of a mold K having the same configuration as that of the first embodiment, and is fastened at a plurality of places with a band (not shown) as shown in FIG. The plate material B and the formwork K are temporarily installed on the slope G on which the hole Gh is formed by a crane or the like so that the hole Gh and the insertion passages 4 and Bh communicate with each other.
Next, as shown in FIG. 7B, the mortar M is externally press-fitted into the mold K from the injection hole 11 to be filled. In this state, a gap A is formed between the mold K and the slope G.
Before the mortar M is hardened, the anchor body 13 is pressed into the hole Gh through the insertion passages 4 and Bh as shown in FIG. 7C, and the fixing member 14 is screwed to the threaded anchor head 13a. Then, the plate material B is pressed toward the side surface G by the rotation of the identification attaching member 14 to load the formwork K. The formwork K is deformed by this load, and the lower surface is adapted to the unevenness of the slope G and comes into close contact therewith. Thereafter, after a predetermined period, the mortar M is cured and a band (not shown) is removed, and the slope G is strengthened and stabilized by the constructed structure 1.
Otherwise, the reference numerals and configurations are the same as in the first embodiment.
[0014]
Example 3 (see FIG. 8)
Example 3 shown in FIG. 8 is an example of a method of constructing a structure in which the same formwork and concrete body as in Example 1 are installed on the slope, and then the load by anchor anchoring and the mortar press-fitting are simultaneously performed.
FIG. 8 is an explanatory diagram illustrating a procedure for constructing a structure according to the third embodiment.
[0015]
In the third embodiment, as in the first embodiment, the concrete body C is placed on the upper surface of the formwork K and fastened with a band (not shown) at a plurality of places, and the drilled holes Gh are formed in advance as shown in FIG. The concrete body C and the formwork K are temporarily installed on the slope G by using a crane or the like so that the hole Gh and the insertion passages 4 and Ch communicate with each other. In this state, a gap A is formed between the mold K and the slope G.
Then, as shown in FIG. 8B, the anchor body 13 is pressed into the hole Gh through the insertion passages 4 and Ch, and the fixing member 14 is screwed into the threaded anchor head 13a. The concrete body C is pressed against the side surface G by rotation to load the formwork K, and at the same time, the mortar M supplied from the outside is pressed into the formwork K through the injection hole 11.
The lower surface of the mold frame K and the copy body 8 are deformed by the load caused by the anchor 13 being fixed and the expansion force caused by the press-fitting of the mortar M, and are brought into close contact with the unevenness of the slope G. Thereafter, after a predetermined period, the mortar M is cured and a band (not shown) is removed, and the slope G is strengthened and stabilized by the constructed structure 1.
Otherwise, the reference numerals and configurations are the same as in the first embodiment.
[0016]
【The invention's effect】
As described above, according to the present invention, a method and a mold for constructing a structure using a solidifying material that can flexibly cope with irregularities on an installation surface without collapsing and securely strengthen and protect the installation surface at a fixed position. A frame forming device can be provided.
In addition, when used for the production of concrete blocks, the bag is lightweight, so no labor is required to bring it to the site, it can be assembled easily and in a short time, and after the solidified material has solidified, the bag itself can be used. Since it becomes part of the concrete block, the work of removing the formwork can be omitted altogether, and the construction period can be significantly reduced.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram illustrating a construction state of a structure according to a first embodiment.
FIG. 2 is a partially cutaway perspective view of the bag according to the first embodiment.
FIG. 3 is a partially cutaway perspective view of the bag according to the first embodiment.
FIG. 4 is a perspective view showing an assembled state of the bag according to the first embodiment.
FIG. 5 is an explanatory diagram illustrating a procedure for constructing a structure according to the first embodiment;
FIG. 6 is an explanatory diagram showing a construction state of a structure according to the first embodiment.
FIG. 7 is an explanatory diagram illustrating a procedure for constructing a structure according to a second embodiment;
FIG. 8 is an explanatory diagram illustrating a procedure for constructing a structure according to a third embodiment;
FIG. 9 is an explanatory diagram showing a state of construction of a conventional structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Structure 2 Bag 3 Shape holding member 4 Insertion path 5 Fastener 6 Bag 7 Shape holding member 8 Copy 9 Reinforcement 10 Fastener 11 Injection hole 12 Tube 13 Anchor 13a Anchor head 14 Fixing member 21 Structure 22 Formwork 23 Concrete body 24 Anchor body A Void B Plate material Bh Insertion path C Concrete body Ch Insertion path G Slope Gh Drilling K Formwork M Mortar R Rock

Claims (12)

Seal a shape holding member that allows the passage of the components of the solidifying material into a bag of a required three-dimensional shape made of a flexible material that does not allow the components of the solidifying material to pass and that holds the side shape of the bag, and that is open at the top and bottom. Place the bag on the installation surface, place a rigid plate on the top surface of the bag, apply a strong load in the direction of the installation surface, press the solidified material into the bag, and use the expansion force due to the press-fitting of the solidified material. A method of constructing a structure using a solidified material in which a lower surface of a bag body is adapted to a shape of an installation surface and closely adhered, and a structure corresponding to unevenness of the installation surface can be constructed by solidifying a press-fitted solidified material. Seal a shape holding member that allows the passage of the components of the solidifying material into a bag of a required three-dimensional shape made of a flexible material that does not allow the components of the solidifying material to pass and that holds the side shape of the bag, and that is open at the top and bottom. Place the bag on the installation surface, press-fit the solidified material into the bag, place a rigid plate on the top of the bag, apply a strong load in the direction of the installation surface, and apply the load of the plate to the bottom of the bag. A method of constructing a structure using a solidified material, which is adapted to conform to the shape of the installation surface and is closely contacted, so that a structure corresponding to the unevenness of the installation surface can be constructed by solidifying the press-fitted solidified material. Seal a shape holding member that allows the passage of the components of the solidifying material into a bag of a required three-dimensional shape made of a flexible material that does not allow the components of the solidifying material to pass and that holds the side shape of the bag, and that is open at the top and bottom. Place the bag on the installation surface, place a rigid plate on the upper surface of the bag, apply a strong load in the direction of the installation surface, and simultaneously press-fit the solidified material into the bag, by pressing the plate material and press-fitting the solidified material. Construction of a structure using solidified material that allows the lower surface of the bag body to conform to the shape of the installation surface by inflation force and closely contacted, and then solidify the press-fit solidified material to build a structure corresponding to the unevenness of the installation surface Method. The anchoring member of the anchor is arranged on the plate material, the tension member of the anchor is penetrated through the plate material and the bag body, connected to the fixing member, and the anchor is attached in a tensioned state with the identification attachment member, so that the load is applied to the bag body via the plate material. A method for constructing a structure using the solidified material according to claim 1. The method for constructing a structure using a solidified material according to any one of claims 1 to 4, wherein the plate material has a required weight, and the bag is loaded by its own weight. The method for constructing a structure using a solidified material according to any one of claims 1 to 5, wherein a plurality of resiliently deformable copying bodies that allow passage of components of the solidified material are arranged in the bag body. 7. The method for constructing a structure using a solidified material according to claim 6, wherein the copying body is formed by winding a net material or a porous material into a roll shape. The bag is divided into a plurality of parts, a fastener is provided along an edge of the divided small bag, and the small bags are connected by the fastener to form a bag having a substantially outer shape of the structure. A method for constructing a structure using the solidified material according to any one of claims 7 to 7. A mold in which a shape holding member that has a substantially external shape of a structure and allows the components of the solidifying material to pass through into a bag of a flexible material that does not allow the components of the solidifying material to pass through and that retains the side shape of the bag is sealed. Frame forming equipment. 10. The mold forming apparatus according to claim 9, wherein a plurality of elastically deformable copy bodies which allow the components of the solidified material to pass therethrough are provided in the bag body. The mold forming device according to claim 10, wherein the copy body is formed by winding a net material or a porous material into a roll shape. 10. The bag body is divided into a plurality of parts, a fastener is provided along an edge of the divided small bag body, and the small bag bodies are connected by the fastener to form a bag body having a substantially outer shape of the structure. 12. The mold-forming device according to any one of to 11.

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