JP2008044345A - Molding and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a molding capable of effectively preventing air from mixing in, and uniformly dispersing a fluid material. <P>SOLUTION: As shown in (a), super high tenacity fiber-reinforced concrete 18 is fed in advance into an outer frame 10. As shown in (a) and (b), the super high tenacity fiber-reinforced concrete 18 is moved through a clearance 17 between the outer frame 10 and an inner frame 16 by sinking the inner frame 16 into the super high tenacity fiber-reinforced concrete 18 in the outer frame 10 to press and move the super high tenacity fiber-reinforced concrete 18. As shown (c) or (d), the concrete molding 19a is shaped. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a molded product obtained by molding a fluid material using a mold and a method for producing the same.

  As a casting method that can suppress the amount of air that concrete entrains when casting concrete, there is a method in which a mold for forming an inorganic concrete molded body such as a pipe is vertically arranged and centrifugal casting is performed (for example, a patent) References 1 and 2).

  Further, as the casting method, there is a method of obtaining a concrete compact by forcibly injecting concrete from the lower position of the mold and forcibly moving it upward (see, for example, Patent Documents 3, 4, and 5).

Further, as the above casting method, a method has been proposed in which the injection conduit is suspended from the upper part of the standing formwork to the lower part and filled with concrete while the injection conduit is raised (for example, see Patent Document 6). .
Japanese Patent Laid-Open No. 6-193776 (page 3, FIG. 1) JP-A-8-39534 (page 3, FIG. 2) Japanese Patent Laid-Open No. 5-52041 (2nd page, FIG. 2) Japanese Patent Laid-Open No. 5-293815 (page 3, FIG. 1) JP-A-5-293817 (page 3, FIG. 1) Japanese Patent Laying-Open No. 2005-200849 (5th page, FIG. 4-6)

  In the above technology, the effect of suppressing air mixing can be expected to some extent, but since external force acts directly on the poured concrete, there is a limit to preventing air mixing, and air remains on the surface of the molded product. The so-called “blister” of the traces of bubbles is generated, and there is a problem in quality.

  Furthermore, in the prior art in which concrete is forcibly inserted into the formwork from the lower side of the formwork, the concrete supplied into the formwork from the side of the formwork is divided into two parts in the formwork. After the concrete moves from one side of the formwork along the inner periphery of the formwork, it merges in the other side of the formwork. Immediately below, the continuity of the concrete is lost, and there is a problem that it becomes a strength weakness after hardening.

  A concrete pumping device such as a pump for inserting concrete into the formwork is also required.

  Also, when fibers (especially heavy metal fibers) are included as a concrete material to improve the strength of the concrete, if concrete mixed with fibers is suddenly injected into the formwork or centrifugal force is applied , Fiber unevenness occurs, and the quality deteriorates.

  In the method of obtaining a molding by forcibly injecting concrete from the lower position of the formwork and forcibly moving it upward, the fibers of the concrete material are positioned in the concrete by the action of gravity during the movement. Control is performed and the possibility of stable dispersion in the molding can be expected, but the rigidity of the mold must be increased because the injection pressure must be kept high as the concrete is injected. At the same time, there is a problem that it is difficult to manage because it is necessary to continuously inject concrete. Further, there is a problem that an expensive pump that enables continuous injection at a high pressure is required.

  On the other hand, if continuous injection is not possible, it will be a factor in reducing the quality of the molded product, and increasing the rigidity of the formwork will require an expensive formwork and will be economically inferior. If high-pressure injection is performed without any problem, there is a problem that the quality of the molded product is deteriorated due to deformation of the mold.

  This invention is made | formed in view of such a point, and it aims at providing the molding which has a high air mixing prevention effect, and can disperse | distribute a fluid raw material uniformly, and its manufacturing method.

  According to the first aspect of the present invention, the flowable material is placed in one mold by moving the other mold relative to one mold and applying a load to the flowable material from the other mold. And a molding formed by moving between the mold and the other mold.

  According to a second aspect of the present invention, in the molded product according to the first aspect, a preformed layer integrated with at least one of the outer peripheral surface side and the inner peripheral surface side of the molded body is provided.

  According to a third aspect of the present invention, the preformed layer in the molded product according to the second aspect is formed by at least one of one mold frame and the other mold frame.

  The invention described in claim 4 is the molded product according to any one of claims 1 to 3, wherein one preformed layer formed by one mold and the other formed by a hollow other mold. And a molded body formed of a fluid material between both of the preformed layers.

  In the invention described in claim 5, the other mold is moved relative to one mold, and a load is applied to the fluid material having fluidity from the other mold. This is a method for manufacturing a molded product in which a molded body is formed between one mold frame and the other mold frame by moving the gap between the mold frame and the other mold frame.

  According to a sixth aspect of the present invention, in the method for producing a molded product according to the fifth aspect, a flowable material is previously introduced into one mold, and the other mold is inserted into the flowable material in one mold. This is a manufacturing method for controlling the moving speed of the surface of the flowable material that has been previously put in one mold by controlling the settling speed of the other mold when the frame is settled.

  According to a seventh aspect of the present invention, in the method of manufacturing a molded article according to the sixth aspect, the other mold is settled by adjusting a load of a heavy article put into the other mold formed in the hollow. This is a manufacturing method for controlling the speed.

  The invention described in claim 8 is the method for manufacturing a molded product according to any one of claims 5 to 7, wherein one mold frame and the other mold frame are vertically arranged and the other mold frame is arranged. It is a manufacturing method that inserts in the direction of gravity and pressurizes and moves the flowable material in the direction of antigravity.

  The invention described in claim 9 is the manufacturing method of the molded product according to any one of claims 5 to 8, wherein the other mold is disposed concentrically at the center of the one mold. is there.

  The invention described in claim 10 is the method for producing a molded product according to any one of claims 5 to 9, wherein the filling is such that the specific gravity is larger than that of the flowable material inside the other mold formed hollow. This is a manufacturing method filled with a product.

  According to an eleventh aspect of the present invention, in the method for manufacturing a molded product according to any one of the fifth to seventh aspects, the one mold is an outer shape obtained by horizontally cutting a horizontally inverted cylinder, and the upper surface is opened in a quadrilateral shape A container-shaped mold that has an outer shape obtained by horizontally cutting a horizontally inverted cylinder having a smaller diameter than that of one mold and whose upper surface is smaller than that of the one mold It is a frame.

  According to a twelfth aspect of the present invention, in the method for manufacturing a molded product according to the sixth or eighth aspect, one mold is formed in a vertically long container shape with an upper surface opening, and the other mold is formed in a plate shape. It is inserted into one formwork.

  According to a thirteenth aspect of the present invention, in the method for manufacturing a molded article according to the twelfth aspect, the other mold is formed in a partition plate shape that divides the thickness of one mold into a plurality.

  According to a fourteenth aspect of the present invention, the other mold in the method for producing a molded product according to any one of the eleventh to thirteenth aspects has irregularities on the surface in contact with the fluid material.

  According to the first aspect of the present invention, the flowable material is moved to one of the molds by moving the other mold relative to the one and applying a load to the flowable material from the other mold. Since the molded body was molded by moving between the mold and the other mold, the moving speed of the fluid material surface is moderated by adjusting the applied load, and the uniform dispersibility of the fluid material, that is, In addition to ensuring the orientation, it is highly effective in preventing air contamination caused by the rapid movement of the flowable material, preventing the formation of cavities by preventing vacuum locations and air entrainment, and further improving the flowable material surface. Generation of an interface can be prevented by moving while maintaining a uniform level, and a molded product in which strength problems due to cavities and discontinuities of the interface are solved can be provided.

  According to the second aspect of the present invention, it is possible to provide a composite body such as a composite pipe or a composite column formed by the formed body and the preformed layer.

  According to the invention described in claim 3, it is possible to provide a composite in which one mold frame or the other mold frame is a pre-formed layer that is a part of a product, and the time and effort for demolding can be saved.

  According to the invention described in claim 4, a fluid material is provided between one preformed layer formed by one mold and the other preformed layer formed by the other hollow mold. A composite container suitable for use as a storage container for industrial wastes can be provided by the molded article formed with the above.

  According to the invention described in claim 5, the other mold is moved relative to one mold, and a load is applied to the fluid material having fluidity from the other mold, so that the fluid material Is moved to the gap between one mold frame and the other mold frame, and a molded body is formed between the one mold frame and the other mold frame, so that the other mold frame is relative to one mold frame. By controlling the moving speed, it is possible to gradually move the fluid material surface at a low speed, ensuring uniform dispersibility of the fluid material, that is, uniform orientation, and dropping the fluid material. It is highly effective in preventing air contamination caused by rapid movement of air, can prevent the generation of cavities due to vacuum locations and air entrainment, and can move the flowable material surface in a uniform level to create an interface. Material discontinuities directly under cavities and interfaces It can solve strength problems due. In addition, high-quality moldings can be made inexpensively and easily without the need for expensive production equipment such as a pump for continuously injecting flowable materials at high pressure and high-rigid formwork and precise continuous injection management. A production method capable of being molded can be provided.

  According to the invention described in claim 6, by controlling the settling speed of the other mold into the one mold, the moving speed of the fluid material previously put in the one mold can be controlled. Controlled, the flow of the fluid material surface can be performed slowly at low speed, ensuring uniform dispersibility and uniform orientation of the fluid material, and generating vacuum by rapid movement of the fluid material, Generation of cavities due to air entrainment can be prevented.

  According to the seventh aspect of the present invention, the settling speed of the other mold is controlled by adjusting the load of the heavy object put into the other mold formed in the hollow. The stability is high and an appropriate sedimentation rate can be easily secured, and a large-scale manufacturing facility for pressing the other mold can be eliminated.

  According to the invention described in claim 8, one mold frame and the other mold frame are vertically arranged and the other mold frame is inserted in the direction of gravity, so that the fluid material surface is brought to a horizontal level. While being kept, the fluid material can be gradually pressurized and moved in the anti-gravity direction while maintaining the compacted state of the fluid material, and uniform dispersibility of the fluid material can be ensured.

  According to the ninth aspect of the present invention, the material of the fluid material that is three-dimensionally dispersed randomly can be uniformly distributed 360 ° around the other mold.

  According to the invention described in claim 10, since the other mold can be settled in the flowable material by the mass of the filler, the stability of the sedimentation operation is high, and it is appropriate by adjusting the mass of the filler. As a result, it is possible to easily secure a stable sedimentation speed and to easily secure positioning accuracy, and it is possible to manufacture a composite container of a mold / molded body integrated type by taking out only the filler after curing.

  According to the eleventh aspect of the present invention, a fluid material having fluidity is preliminarily provided in one container-like mold having an outer shape obtained by horizontally cutting a horizontally inverted cylinder and having an upper surface opened in a square shape. A container that is inserted into the flowable material in one of the molds and has an outer shape obtained by horizontally cutting a horizontally inverted cylinder having a smaller diameter than the one of the molds, and whose upper surface is opened in a similar shape smaller than that of the one mold The other mold form is allowed to settle, and the fluid material is moved to the gap between one mold form and the other mold form to form a molded product. Compared with the case where a raw material is poured, a high-quality semi-cylindrical molded product can be molded inexpensively and easily.

  According to the invention described in claim 12, the flowable material is put in advance in one mold formed in the shape of a vertically long container having an upper surface opening, and the plate is placed in the flowable material in the one mold. The other formwork formed in a shape is allowed to settle, the flowable material is moved to the gap between one formwork and the other formwork, and a molded body is formed. Compared to the case where a flowable material is introduced from the upper surface opening of the mold, the flowable material can be charged more easily. By letting the other mold form settle, the already flowable material can be agitated to eliminate cavities and interfaces, and a high-quality flat plate-shaped molded product can be easily formed at low cost.

  According to the invention described in claim 13, by dividing the thickness in one mold into a plurality of parts by the other mold formed in a partition plate shape, a high-quality flat plate-shaped molded product can be efficiently produced. Can be molded.

  According to the invention described in claim 14, since the surface of the other mold that contacts the fluid material has irregularities, the other mold is settled in the fluid material in one mold. High-quality irregularities can be formed on a molded body by a manufacturing method in which a fluid material is pressurized and moved into a gap between one mold frame and the other mold frame.

  Hereinafter, the present invention will be described with reference to the first embodiment shown in FIG. 1, the second embodiment shown in FIG. 2, the third embodiment shown in FIG. 3, and the fourth embodiment shown in FIG. Embodiment, 5th Embodiment shown in FIGS. 5 to 8, 6th Embodiment shown in FIGS. 9 to 12, 7th Embodiment shown in FIG. 13, and FIG. This will be described in detail with reference to the eighth embodiment.

  In the first embodiment shown in FIG. 1, as shown in FIG. 1A, an outer mold frame 10 as one mold frame includes a cylindrical frame main body portion 11 and the frame main body portion 11. Formed by a bottom plate portion 12 fitted to the lower end opening portion and a lid plate portion 13 fitted to the upper end opening portion of the frame main body portion 11, a spacer 14 is inserted on the bottom plate portion 12 of the outer mold frame 10. The inner mold 16 as the other solid mold is inserted into the outer mold 10 from the hole 15 of the cover plate portion 13. The inner mold frame 16 is disposed in the center of the outer mold frame 10 via a concentric gap 17 by the guiding action of the hole 15 in the lid plate portion 13.

  As shown in FIG. 1A, concrete as a fluid material having fluidity containing at least one of a metal fiber and a non-metal fiber in the outer frame 10, for example, ultrahigh strength fiber reinforced concrete 18 Is inserted in advance, and the weight of the inner mold 16, a heavy weight (not shown) placed on the inner mold 16, or a pressing means from the outside such as a hydraulic cylinder is used alone or in combination. As shown in FIGS. 1A to 1B, a load W is applied to the inner mold 16 and a load is applied to the ultra high strength fiber reinforced concrete 18 from the inner mold 16. The inner mold 16 is settled in the ultra high strength fiber reinforced concrete 18 in the mold 10. As a result, the ultra-high-strength fiber reinforced concrete 18 corresponding to the sedimentation volume of the inner mold frame 16 is pressed and moved upward between the outer mold frame 10 and the inner mold frame 16, and the outer mold frame 10 and the inner mold frame 16 are moved. 1 (c) or (d) by filling the gap 17 with ultra high strength fiber reinforced concrete 18 and curing it in the state shown in FIG. 1 (b) until sufficient strength is obtained. As shown in FIG. 1, the method is a manufacturing method of a molded product 19 in which a concrete molded body 19a as a molded body is molded.

  A detailed description of the ultra high strength fiber reinforced concrete 18 is given in Example 1.

  The outer mold frame 10 and the inner mold frame 16 are erected vertically, and the ultra-high-strength fiber reinforced concrete 18 is inserted by inserting the inner mold frame 16 in the direction of gravity and settling in the ultra-high-strength fiber reinforced concrete 18. Since the pressure is moved in the anti-gravity direction, by adjusting the load W acting on the inner mold 16 and controlling the settling speed of the inner mold 16, the super The moving speed of the strength fiber reinforced concrete 18 is controlled. At the time of curing shown in FIG. 1 (b), a positional shift of the inner mold frame 16 is surely prevented by pressing and fixing the upper surface of the inner mold frame 16 to a fixed position using a fixing means (not shown).

  The molded product 19 shown in FIG. 1 (c) is obtained by sinking the solid inner mold 16 into the ultra-high-strength fiber reinforced concrete 18 previously put in the outer mold 10 so that the ultra-high-strength fiber reinforced concrete is formed. A concrete molded body 19a formed by pressing and moving 18 in the antigravity direction and a dissimilar material layer 19b as a preformed layer formed by the outer mold 10 on the outer peripheral surface side of the concrete molded body 19a were provided. It is a composite tubular hollow structure.

  The dissimilar material layer 19b is configured using a metal pipe, a synthetic resin pipe, a precast concrete pipe, or the like, and is intended to be integrated with the concrete molded body 19a by an embedded object such as an insert or a reinforcing bar protruding on the inner peripheral surface thereof. .

  The molded product 19 shown in FIG. 1 (d) is made to resist the ultra-high-strength fiber reinforced concrete 18 by allowing the inner mold 16 to sink into the ultra-high-strength fiber reinforced concrete 18 that has been put into the outer mold 10 in advance. This is a single tubular hollow structure in which a concrete molded body 19a is molded by being pressurized and moved in the direction of gravity.

  Next, in the second embodiment shown in FIG. 2, as shown in FIG. 2A, a cylindrical frame main body portion 11 and a bottom plate portion fitted in the lower end opening of the frame main body portion 11. 12, an outer mold frame 10 formed by a cover plate portion 13 fitted in the upper end opening of the frame main body portion 11, and a concentric gap 17 from the hole 15 of the cover plate portion 13 inside the outer mold frame 10. And a hollow inner mold frame 16 with a bottom. The inner mold frame 16 is disposed concentrically at the center of the outer mold frame 10 by the guiding action of the hole 15 in the lid plate portion 13.

  Then, as shown in FIG. 2 (a), flowable concrete containing at least one of metal fibers and non-metal fibers, for example, ultra high strength fiber reinforced concrete 18 is put in the outer mold 10 in advance. A heavy object (not shown) that has a larger specific gravity than that of concrete such as iron ore or iron scrap, and that can be added and removed, or an external such as a hydraulic cylinder. 2 (a) to 2 (b) by using a pressing means (not shown) from a single body or a combination thereof to apply a load W to the inner mold frame 16 and press the bottom of the inner mold frame 16. As shown in FIG. 2, the inner mold 16 is set in the ultra high strength fiber reinforced concrete 18 in the outer mold 10 and the ultra high strength fiber reinforced concrete 18 is pressurized and moved upward. Ultra high strength fiber reinforced concrete in gap 17 with 16 Move to fill 8.

  At this time, the outer mold frame 10 and the inner mold frame 16 are erected vertically, and the inner mold frame 16 is set in the gravity direction by inserting the inner mold frame 16 into the ultra-high-strength fiber reinforced concrete 18, thereby allowing the inner mold frame 16 Since the ultra-high strength fiber reinforced concrete 18 corresponding to the settling volume of the material is pressurized and moved in the anti-gravity direction, the amount of heavy objects (not shown) input into the inner mold 16 formed in the bottomed hollow shape By adjusting the load W acting on the inner formwork 16 and controlling the settling speed of the inner formwork 16, the moving speed of the ultra-high-strength fiber reinforced concrete 18 put in the outer formwork 10 in advance is adjusted. Can be controlled.

  FIG. 2 (b) shows the curing state. During this curing, the upper form of the inner mold frame 16 is pressed and fixed at a fixed position by using a fixing means (not shown) to reliably prevent the positional deviation of the inner mold frame 16. To do.

  Since the inner mold 16 is formed in a hollow shape with a bottom, a filler (not shown) such as sand iron or iron ore powder that can be taken out with a larger specific gravity than concrete is taken into the inner mold 16. Since the settling speed of the inner mold 16 can be controlled by filling and adjusting the filling amount (mass), the equipment for setting the inner mold 16 and the apparatus for controlling the settling speed of the inner mold 16 are simple. Can be.

  Further, as shown in FIG. 2 (c), after curing, part of the outer mold 10 is removed, and the upper end and the lower end are cut as shown in FIG. 2 (d) or (e). Thus, a molded product 19 is obtained.

  The molded product 19 shown in FIG. 2 (d) is obtained by substituting the hollow inner mold frame 16 with the bottom into the concrete previously put in the outer mold frame 10, thereby converting the ultrahigh strength fiber reinforced concrete 18 into the outer mold. A concrete molded body 19a formed by pressing and moving in the anti-gravity direction between the frame 10 and the inner mold frame 16, and one of the existing molded bodies formed integrally with the outer mold frame 10 on the outer peripheral surface side of the concrete molded body 19a. A composite tubular hollow structure comprising a dissimilar material layer 19b as a forming layer and a dissimilar material layer 19c as the other pre-formed layer integrally formed on the inner peripheral surface side of the concrete molded body 19a by the inner mold 16 Is the body.

  The outer mold 10 and the inner mold 16, that is, the dissimilar material layers 19b and 19c are configured using a metal tube, a synthetic resin tube, a precast concrete tube, or the like, and the inner peripheral surface of the dissimilar material layer 19b and the outer periphery of the dissimilar material layer 19c. Integration with the concrete molded body 19a is achieved by an insert or a buried object such as a reinforcing bar protruding from the surface.

  The molded product 19 shown in FIG. 2 (e) is obtained by sinking the bottomed hollow inner mold frame 16 into the ultra high strength fiber reinforced concrete 18 that has been put in the outer mold frame 10 in advance. A concrete molded body 19a formed by pressurizing and moving reinforced concrete 18 between the outer mold frame 10 and the inner mold frame 16, and the inner mold frame 16 integrally formed on the inner peripheral surface side of the concrete molded body 19a. This is a composite tubular hollow structure including a different material layer 19c.

  Next, in the third embodiment shown in FIG. 3, the ultra-high-strength fiber reinforced concrete is made to settle by sinking the solid inner mold into the ultra-high-strength fiber reinforced concrete previously put in the outer mold 10. A concrete molded body 19a formed by pressing and moving in the anti-gravity direction, and a dissimilar material layer 19c as a preformed layer formed by a solid inner mold on the inner peripheral surface side of the concrete molded body 19a This is the molded product 19. The spacer 14 is integrated with the bottom of the dissimilar material layer 19c. The dissimilar material layer 19c is configured using a precast concrete product in which reinforcing bars such as reinforcing bars are arranged, and is intended to be integrated with the concrete molded body 19a by an insert or an embedded object such as a reinforcing bar protruding from the outer peripheral surface thereof. And good.

  Next, the fourth embodiment shown in FIG. 4 is a method for manufacturing a molded product 19 by inserting a container-shaped inner mold 16 into a container-shaped outer mold 10 through a gap 17. The inner mold 16 is filled with a filler 21 such as iron sand or iron ore powder that can be taken out with a greater specific gravity than concrete, and this inner mold 16 is connected to the outer peripheral surface of the inner mold 16. Are arranged concentrically at the center of the outer mold frame 10 by a plurality of blade-like spacers 22 attached radially.

  As shown in FIG. 4 (a), a bottom spacer 14 is installed in the outer mold 10 in advance, and fluidity concrete containing at least one of metal fiber and non-metal fiber, for example, super high strength fiber reinforcement Concrete 18 is put in advance, and as shown in FIGS. 4 (b) and 4 (c), a container-shaped inner mold 16 with a lid 23 is placed in the ultrahigh strength fiber reinforced concrete 18 in the outer mold 10. The ultra high strength fiber reinforced concrete 18 is pressurized and moved upward by being settled to fill the gap 17 between the outer mold frame 10 and the inner mold frame 16 with the ultra high strength fiber reinforced concrete 18.

  At this time, the outer mold frame 10 and the inner mold frame 16 are erected vertically, and the inner mold frame 16 is set in the gravity direction by inserting the inner mold frame 16 into the ultra-high-strength fiber reinforced concrete 18, thereby allowing the inner mold frame 16 Since the ultra-high strength fiber reinforced concrete 18 corresponding to the settling volume of the material is pressurized and moved in the anti-gravity direction, the settling speed of the inner form 16 can be controlled by adjusting the load by adjusting the filling amount of the filling 21 Thus, the moving speed of the ultra-high-strength fiber reinforced concrete 18 that has been put in the outer mold 10 in advance is controlled.

  FIG. 4 (c) shows a curing state, and during this curing, the position of the inner mold frame 16 is reliably prevented by pressing and fixing the upper surface of the lid 23 at a fixed position using a fixing means (not shown).

  When the concrete molded body 19a is formed between the dissimilar material layer 19b as one preformed layer and the dissimilar material layer 19c as one preformed layer by curing as shown in FIG. 4 (d). Then, the filling 21 is taken out to form a molded product 19 having a hollow portion 24. Then, as shown in FIG. 4 (e), contents 25 such as industrial waste are accommodated in the hollow portion 24, covered with a lid 23, and ultra-high strength fiber reinforced concrete is poured into the upper portion of the concrete compact 19a. Then, the contents 25 are sealed.

  The molded product 19 shown in FIG. 4 (d) moves the ultra-high-strength fiber reinforced concrete 18 upward by sinking the inner mold 16 into the ultra-high-strength fiber reinforced concrete 18 that has been put in the outer mold 10 in advance. This is a composite container including a concrete molded body 19a formed by pressing and moving, a dissimilar material layer 19b formed by the outer mold 10, and a dissimilar material layer 19c formed by the hollow inner mold 16. .

  That is, the dissimilar material layers 19b and 19c integrated on both the outer peripheral surface side and the inner peripheral surface side of the concrete molded body 19a are composite containers formed by both the outer mold frame 10 and the inner mold frame 16. The different material layers 19b and 19c are configured using a metal container, a synthetic resin container, or the like.

  Next, FIGS. 5 to 8 show a fifth embodiment. As shown in FIG. 5A, the outer mold frame 10 has an outer shape obtained by horizontally cutting a horizontally inverted cylinder and has an upper surface of 4. It is a container-shaped formwork that is opened in a square shape, and the inner formwork 16 has an outer shape obtained by horizontally cutting a horizontally inverted cylinder having a smaller diameter than the outer formwork 10, and the upper surface is opened in a similar shape that is smaller than that of the outer formwork 10. Container-shaped formwork.

  That is, a flowable concrete containing at least one of a metal fiber and a non-metal fiber in the outer mold 10 formed in a semi-cylindrical shape having a semicircular cross section in a rectangular shape in plan view, for example, an ultra high strength fiber reinforced concrete 18 is inserted in advance, and the inner mold 16 is inserted into the outer mold 10. The inner mold frame 16 is formed in a ship-shaped container shape having a rectangular shape in plan view and having a semicircular cross section having a smaller diameter than the outer mold frame 10.

  As shown in FIGS. 5 (b) to 5 (c), a heavy object (not shown) put into the hollow inner mold 16 or a pressing means (not shown) from the outside such as a hydraulic cylinder is provided. The inner mold 16 is settled in the ultra-high-strength fiber reinforced concrete 18 in the outer mold 10 by applying a load W to the inner mold 16 by using them alone or in combination.

  As a result, the ultra-high-strength fiber reinforced concrete 18 corresponding to the settling volume of the inner mold frame 16 is pressurized and moved upward, and the ultra-high-strength fiber reinforced concrete 18 is placed in the gap 17 between the outer mold frame 10 and the inner mold frame 16. When filled and cured in the state shown in FIG. 5 (c), a concrete compact 19a shown in FIG. 5 (d) is formed.

  By controlling the settling speed of the inner mold 16, the moving speed of the ultra high strength fiber reinforced concrete 18 that has been put in the outer mold 10 in advance is controlled. At the time of curing shown in FIG. 5 (c), a positional shift of the inner mold frame 16 is reliably prevented by pressing and fixing the upper surface of the inner mold frame 16 to a fixed position by using a fixing means (not shown).

  Since the inner mold 16 is formed in a hollow shape, a heavy material (not shown) such as iron ore or iron scrap that can be taken out with greater specific gravity than concrete is put into the inner mold 16. By adjusting the input amount, the load W of the heavy load acting on the inner mold 16 is adjusted, and the settling speed of the inner mold 16 is controlled, whereby the moving speed of the ultra high strength fiber reinforced concrete 18 To control.

  Further, as shown in FIG. 5D, after curing, the molded product 19 formed from the outer mold frame 10 and the inner mold frame 16 is removed.

  The molded product 19 shown in FIG. 5 (d) adds the ultra high strength fiber reinforced concrete 18 by sinking the inner mold frame 16 into the ultra high strength fiber reinforced concrete 18 previously put in the outer mold frame 10. This is a semi-cylindrical concrete compact 19a formed by pressure movement.

  As shown in FIG. 6, the inner mold frame 16 shown in FIG. 5 is obtained by integrally bonding a resin molded plate 16b to the lower surface of a steel plate mold main body 16a, and the lower surface of the resin molded plate 16b. A large number of convex portions 16c are regularly arranged.

  That is, the inner mold 16 has irregularities on the surface that comes into contact with the concrete. For this reason, a large number of concave grooves 19d are regularly formed on the upper surface of the concrete molded body 19a, that is, the curved inner surface.

  As shown in FIG. 7, the molded product 19 in which a large number of concave grooves 19 d are formed is used as a repair plate when repairing an existing structure 31 such as a bridge pier, and around the existing structure 31. By arranging the moldings 19 and 19 in a cylindrical shape and filling the moldings 19 and 19 and the existing structure 31 with concrete, for example, a highly fluid mortar 32 having no shrinkage, the existing structure 31 In addition, the molded products 19 and 19 are integrated through the concave groove 19d to repair the damaged portion of the existing structure 31 and to improve the appearance as an exterior plate.

  FIG. 8 shows an example in which the molded product 19 is used as a mold of the new structure 33. The molded products 19, 19 are arranged in a cylindrical shape around the reinforcing bar 34, and these molded products 19, 19 are used. By filling ordinary concrete 35 into the interior, the molded products 19, 19 are integrated through the concave grooves 19d.

  Next, FIGS. 9 to 12 show a sixth embodiment. As shown in FIG. 9A, the outer mold 10 is formed in a vertically long container shape with an upper surface opening, and FIG. As shown in FIG. 2, the inner mold 16 is formed in a partition plate shape that divides the thickness of the outer mold 10 into a plurality of parts.

  That is, a pair of split molds 10a and 10b having an L-shaped cross section as shown in FIG. 9D are brought into contact with each other, and the inside of the outer mold 10 formed in a vertically long box shape as shown in FIG. 9A. In addition, a flowable concrete containing at least one of a metal fiber and a non-metal fiber, for example, ultra-high-strength fiber reinforced concrete 18, is introduced in advance, and guide grooves formed along the butting surfaces of the divided mold frames 10a and 10b. As shown in FIG. 9B, the inner mold 16 is inserted into the outer mold 10 so as to bisect the interior of the outer mold 10 along 10c. A plurality of guide grooves 10c may be formed, and a plurality of inner mold frames 16 may be inserted into the outer mold frame 10.

  As shown in FIG. 10, the inner mold 16 is obtained by integrally bonding resin molded plates 16b1 and 16b2 to the left and right side surfaces of a steel plate mold main body 16a. A large number of convex portions 16c are regularly arranged on the surface of 16b2. That is, the inner mold 16 has irregularities on both sides that come into contact with the concrete.

  As shown in FIGS. 9B to 9C, by applying a load W to the inner mold 16 by an operator's hand or by using an external pressing means such as a hydraulic cylinder, the outer mold The inner mold 16 is settled in the ultra high strength fiber reinforced concrete 18 in the frame 10.

  As a result, the ultra-high-strength fiber reinforced concrete 18 corresponding to the settling volume of the inner mold frame 16 is pressurized and moved upward, and the ultra-high-strength fiber reinforced concrete 18 is placed in the gap 17 between the outer mold frame 10 and the inner mold frame 16. Fill. At this time, the moving speed of the ultra-high strength fiber reinforced concrete 18 that has been put in the outer mold 10 in advance is controlled by controlling the settling speed of the inner mold 16.

  After curing in the state shown in FIG. 9 (c), the divided molds 10a and 10b of the outer mold 10 are opened as shown in FIG. 9 (d), and as shown in FIG. 9 (e). The two concrete molded bodies 19a are removed from the inner mold 16.

  The molded product 19 molded in this manner is obtained by allowing the partition plate-shaped inner mold frame 16 to settle in the ultra-high-strength fiber reinforced concrete 18 that has been put in the outer mold 10 in advance. This is a flat concrete molded body 19a formed by pressure-moving.

  As shown in FIG. 10, a large number of concave grooves 19d formed by a large number of convex portions 16c of the resin molded plates 16b1 and 16b2 are regularly formed on one side of these concrete molded bodies 19a.

  FIG. 11 is an example in which the flat plate-shaped molded product 19 is used as a mold of the columnar structure 33a. A plurality of molded products 19 are arranged around the reinforcing bar 34 in a rectangular tube shape, and these molded products are used. By filling the inside of 19 with the ordinary concrete 35, each molded product 19 is integrated with the ordinary concrete 35 through the concave grooves 19d.

  FIG. 12 is an example in which the flat plate-shaped molded product 19 is used as a mold of the wall structure 33b, and constitutes one wall surface via a reinforcing bar 34 arranged inside the molded product 19. A plurality of moldings 19 and a plurality of moldings 19 constituting the other wall surface are arranged in parallel at a predetermined interval, and the inside of these moldings 19 and 19 is filled with ordinary concrete 35, thereby forming each molding. The object 19 is integrated with the ordinary concrete 35 through the concave grooves 19d.

  Next, effects of the manufacturing methods of the first to sixth embodiments will be described.

  According to the first to sixth embodiments, the settling speed of the inner mold 16 is controlled when the inner mold 16 is set in the ultra-high-strength fiber reinforced concrete 18 that has been put in the outer mold 10 in advance. Thus, the moving speed of the concrete surface of the ultra-high strength fiber reinforced concrete 18 that has been put in the outer mold 10 in advance can be controlled, and the pressing movement of the concrete surface can be gradually performed at low speed against gravity. In addition to ensuring uniform dispersibility of the concrete material, that is, uniform orientation, it is highly effective in preventing air contamination caused by rapid movement such as falling concrete or rapid rise of concrete. The generation of cavities can be prevented, and the generation of interfaces can be prevented by moving the concrete surface at a uniform level of 360 °. You can solve the problem.

  Furthermore, high-quality molded products 19 can be produced without the need for expensive production equipment such as a pump for continuously injecting ultra-high-strength fiber-reinforced concrete 18 at high pressure and high-rigid formwork and precise continuous injection control. It is possible to provide a production method that can be molded easily and inexpensively.

  In order to re-disperse metal fibers or non-metal fibers distributed three-dimensionally randomly in the ultra-high-strength fiber reinforced concrete 18 into a two-dimensional arrangement at a speed corresponding to the settling speed of the inner mold 16. Uniform dispersibility and uniform orientation of the fibers can be ensured, and the occurrence of fiber restraint can be suppressed.

  In particular, the uniform dispersibility and orientation of the fibers in the ultra high strength fiber reinforced concrete 18 can be achieved, and the occurrence of uneven fibers such as the fibers exposed on the surface of the molded product 19 can be effectively suppressed.

  By controlling the settling speed of the inner mold 16, the moving speed of the ultra-high strength fiber reinforced concrete 18 that has been put in the outer mold 10 in advance is controlled, and the pressure movement of the ultra high strength fiber reinforced concrete 18 is controlled. It can be performed gradually at low speed against gravity, ensuring uniform dispersibility and uniform orientation of the concrete material, generating vacuum due to rapid movement of ultra-high strength fiber reinforced concrete 18, and cavity due to air entrainment Can be prevented.

  According to the embodiment shown in FIGS. 2, 4 and 5, the settling speed of the inner mold 16 can be adjusted by adjusting the load W of the heavy object put into the hollow inner mold 16. Since it is controlled, the settling operation is highly stable, an appropriate settling speed can be easily secured, and a large-scale manufacturing facility for pressing the inner mold 16 can be dispensed with.

  According to the embodiment shown in FIGS. 1 to 4, the outer mold frame 10 and the inner mold frame 16 are erected vertically and the concrete surface is horizontally leveled by inserting the inner mold frame 16 in the direction of gravity. While maintaining the level and further maintaining the compacted state of the ultra-high-strength fiber reinforced concrete 18, it can be gradually pressurized and moved in the antigravity direction, ensuring uniform dispersibility of the concrete material. That is, the three-dimensional randomly dispersed concrete material can be uniformly distributed around the inner mold 16 by 360 °.

  According to the embodiment shown in FIG. 4, since the inner mold 16 can be settled in the ultra-high strength fiber reinforced concrete 18 by the mass of the filler 21, the stability of the sedimentation operation is high and the filling is performed. By adjusting the mass of the object 21, it is possible to easily ensure an appropriate sedimentation speed and also to ensure positioning accuracy, and it is possible to manufacture a composite container of a form and concrete integrated type by taking out only the filler 21 after curing.

  According to the embodiment shown in FIG. 5, an ultra-high strength fiber having fluidity in a container-like outer mold frame 10 having an outer shape obtained by horizontally cutting a horizontally inverted cylinder and having an upper surface opened in a square shape. Reinforced concrete 18 is added in advance, and in this ultra-high-strength fiber reinforced concrete 18 in the outer mold 10, a laterally cut cylinder with a smaller diameter than the outer mold 10 is horizontally cut, and the upper surface is the outer mold 10. The container-like inner mold 16 opened in a smaller similar shape is settled, and the ultra-high-strength fiber reinforced concrete 18 is moved to the gap 17 between the outer mold 10 and the inner mold 16 to form a concrete compact 19a. Therefore, it is possible to form the high-quality semi-cylindrical molding 19 at low cost and easily compared with the case where the ultra-high-strength fiber reinforced concrete is poured into a mold having a general semi-cylindrical gap. .

  According to the embodiment shown in FIG. 9, the ultra-high-strength fiber reinforced concrete 18 having fluidity is placed in advance in the outer mold 10 formed in the shape of a vertically long container having an upper surface opening. The inner mold 16 formed in a plate shape is settled in the ultra high strength fiber reinforced concrete 18 inside, and the ultra high strength fiber reinforced concrete 18 is moved to the gap 17 between the outer mold 10 and the inner mold 16. Since the concrete molded body 19a is formed, the ultra-high-strength fiber reinforced concrete 18 is compared with the general case in which the ultra-high-strength fiber reinforced concrete is introduced from the upper surface opening of the outer mold frame in which the inner mold frame is set first. In addition, even if cavities or interfaces occur when concrete is thrown in, the ultra-high-strength fiber reinforced concrete 18 that has already been put in is stirred by allowing the inner mold 16 to settle in the narrow outer mold 10. Cavity and interface can be eliminated, and high quality flat plate Objects can be inexpensively and easily molded.

  Further, by dividing the thickness in the outer mold 10 into a plurality of parts by the inner mold 16 formed in a partition plate shape, a high-quality flat plate-shaped molded product 19 can be efficiently molded.

  As shown in FIGS. 6 and 10, since the surface of the inner mold 16 that contacts the ultra high strength fiber reinforced concrete 18 has irregularities, the inner mold is included in the ultra high strength fiber reinforced concrete 18 in the outer mold 10. By allowing the frame 16 to settle, high-quality irregularities can be formed on the concrete molded body 19a by a manufacturing method in which the ultra-high-strength fiber reinforced concrete 18 is pressed and moved into the gap between the outer mold frame 10 and the inner mold frame 16.

  Next, effects of the molded products of the first to sixth embodiments will be described.

  Ultra-high-strength fibers that are moved under pressure in the outer mold 10 by adjusting the sedimentation speed when the inner mold 16 is settled in the ultra-high-strength fiber reinforced concrete 18 that has been put into the outer mold 10 in advance. The moving speed of the concrete surface of the reinforced concrete 18 is slowed to ensure uniform dispersibility, that is, orientation of the concrete material, and is highly effective in preventing air mixing caused by rapid movement of the concrete. It is possible to prevent the formation of cavities by preventing the entrainment, and also to move part of the concrete layer that has been thrown in pressure against the force of gravity, leading to the prevention of the entrainment of air, the formation of the cavity by the air entrainment The resulting quality degradation can be prevented. Furthermore, it is possible to prevent the occurrence of an interface by pressing and moving the concrete surface while maintaining a uniform level, and to provide a molded product 19 that solves the strength problem due to the discontinuity of the cavity and the interface.

  The ultra-high-strength fiber reinforced concrete 18 can provide a molded product 19 such as a structure or a container excellent in strength, waterproofness, durability, and corrosion resistance.

  Strength of composite structures such as composite pipes, composite pillars, composite containers, etc. formed by the concrete molded body 19a and the dissimilar material layers 19b, 19c with the outer mold 10 and the inner mold 16 as part of the product In addition, it is possible to provide a composite having excellent durability and to eliminate the trouble of demolding.

  Between the dissimilar material layer 19b formed by the outer mold 10 and the dissimilar material layer 19c formed by the hollow inner mold 16, a concrete molded body 19a formed by the ultra high strength fiber reinforced concrete 18 is formed. The molded product 19 can provide a composite container suitable for use as a container for industrial waste.

  In this way, the stability of the quality of the molded product 19 can be improved, and the molded product 19 having high strength and durability can be provided.

  Next, FIG. 13 shows a seventh embodiment, in which a fixed inner mold 37 as one mold is integrally installed at the center of the guide member 36, and the other fixed mold 37 is connected to the other of the fixed inner mold 37. A movable outer mold 38 as a mold is fitted so as to be movable in the vertical direction. By moving the movable outer mold 38 downward, a load is applied to the ultra high strength fiber reinforced concrete 18 as a fluid material having fluidity. The ultra-high-strength fiber reinforced concrete 18 is moved up in the gap between the fixed inner mold 37 and the movable outer mold 38, and the concrete compact is formed between the fixed inner mold 37 and the movable outer mold 38. Is formed.

  In the seventh embodiment, the inner mold frame is the fixed side and the outer mold frame is the moving side, but the obtained effects are the same as those of the first to sixth embodiments. Therefore, the description is omitted. The guide member 36 facilitates the movement control of the movable outer mold 38.

  Next, FIG. 14 shows an eighth embodiment, in which a fixed frame 39 as one mold is formed in a vertically long container shape with an upper surface opening, and a movable frame 40 as the other mold is formed in a plate shape. The movable frame 40 is inserted into the fixed frame 39 along the inner wall surface on one side of the fixed frame 39, and a concrete compact is formed between the fixed frame 39 and the movable frame 40.

  Although the eighth embodiment is not necessarily limited to the concept of the inner mold frame and the outer mold frame, the obtained effects are the same as those of the first to sixth embodiments. Are omitted.

  Next, in each of the above embodiments, one mold is a fixed mold and the other mold is a movable mold, but the fixed mold (10, 37, 39) is raised. In this manner, the movable mold frame may be used, and the movable mold frame (16, 38, 40) may be held at a fixed position to be a fixed mold frame. Furthermore, the movable mold (16, 38, 40) may be lowered, and at the same time, the fixed mold (10, 37, 39) may be raised so that both are movable molds. Both of these movable molds are suitable for molding a long object.

  Further, as the pre-formed layer, the dissimilar material layers 19b and 19c are exemplified in the above-described embodiment, but it may be a shaped product formed of the same kind of material as the ultra-high strength fiber reinforced concrete 18 as a fluid material. .

  Furthermore, as the fluid material, materials conforming to ultra high strength fiber reinforced concrete (UFC) and high fluid concrete (HPC) are desirable, but other highly viscous and fluid materials such as high tough fiber reinforced cement. It can also be applied to composite materials (ECC), asphalt, polymer resins, resin concrete, and the like.

  Next, the physical properties of the ultra high strength fiber reinforced concrete 18 used in the practice of the present invention will be described.

(1) Ingredients The components of ultra high strength fiber reinforced concrete 18 are in principle mortar composition in which steel fibers are mixed and dispersed in accordance with UFC shown by Japan Society of Civil Engineers. , Low heat Portland cement 33-45%, silica fume 7-22%, intermediate particles 10-24%, aggregate 28-42%. Further, the case where no fiber is mixed is in accordance with HPC.

(2) Flow characteristics As a general rule, the flow value at which a member can be formed by self-filling is used. The range of the flow value is 230 to 300 mm. Moreover, it shall have the viscosity which does not raise | generate separation of concrete material at the time of a flow.

  When the flow value is 230 mm or less, the fluidity is lowered and the self-filling property is inferior. In order to ensure fillability, auxiliary vibration (by a bar vibrator, table pipe, etc.) is required.

  When the flow value is 300 mm or more, the concrete material is separated. In particular, when steel fibers are mixed, separation of steel fibers becomes significant.

(3) Physical properties, length and diameter of fiber The diameter of the reinforcing fiber applied to the ultra high strength fiber reinforced concrete 18 is 0.1 to 0.25 mm, the fiber length is 4 to 20 mm, and the fiber tensile strength. Is 103 N / mm 2 or more.

  However, when the compressive strength is 150 N / mm 2 or less, the type of reinforcing fiber is steel fiber, organic fiber or mineral fiber, the fiber diameter is 0.01 to 2 mm, and the fiber length is 30 aspect ratio. The fiber tensile strength is not defined, and the fiber mixing ratio (volume ratio) is 0.05 to 4.0%.

(4) Curing time When conforming to the “Super High Strength Fiber Reinforced Concrete” shown by the Japan Society of Civil Engineers, the setting time of the sample placed in the room at 20 ℃ after placing has an effect on the type and amount of high-performance water reducing agent It is in the range of 6-12 hours. In general, after performing the introduction for about 2 to 3 hours, steam curing (20 to 40 ° C., about 20 hours) is performed in order to promote curing.

  Next, the principle of uniformly dispersing fibers will be described.

(1) By moving the ultra-high-strength fiber-reinforced concrete 18 under pressure against gravity, the separation of the concrete material is reduced, and as a result, uniform dispersion (orientation) of the fibers is ensured. That is, as in the conventional case, when concrete is poured and poured so as to flow from the inlet of the top of the formwork, a part of the concrete falls freely in the filling space, and the separation of the concrete material occurs with the fall. On the other hand, the present method of gradually pressing and moving the ultra high strength fiber reinforced concrete 18 moves while the compacted state of the ultra high strength fiber reinforced concrete 18 is maintained, so that there are few factors of separation of the concrete material.

(2) An interface is not generated by pressing and moving the ultra high strength fiber reinforced concrete 18 while keeping the concrete surface at a horizontal level. That is, a highly viscous material such as ultra-high-strength fiber reinforced concrete 18 forms an interface when the materials come into contact with each other. For example, when thrown from two directions, an interface is formed. In addition, even when throwing in from one direction, an interface is formed in a circular tube or the like, and the same applies to the case of stacking. And, just below the interface, the continuity as a fiber mixture is lost, and after curing, it becomes a strong weak point. Normally, when an interface is formed, fiber dispersion measures such as stirring the interface using a stick or the like are taken. However, if the interface is deep, stirring cannot be performed.

(3) By reducing the area in contact with air as much as possible, the amount of air that can be entrained can be minimized. Conventionally, concrete is poured and poured so that it flows from the inlet of the top of the formwork, but part of it falls in the same direction as the direction of gravity, so not only the separation of the concrete material but also the air is dropped. Because it involves, it tends to be a structural weakness.

(4) It is easy to disperse the three-dimensional randomly dispersed fibers in a two-dimensional arrangement. That is, when the fiber length is longer than the wall thickness, the mixed fibers are not arranged three-dimensionally. On the contrary, when the ultra high strength fiber reinforced concrete 18 is thrown into a portion thinner than the fiber length, there are cases where the fiber is restrained at the slot and cannot be placed. For example, when the fibers are constrained, fiber balls are formed and the separation of the concrete material is promoted.

  On the other hand, in the manufacturing method according to the present invention, by controlling the settling speed of the inner mold 16, the mixed fibers in the dispersed state of the three-dimensional arrangement are redispersed in the two-dimensional arrangement at a speed according to the settling speed. Uniform dispersion can be secured. In the experiment, the test was performed with a wall thickness of about 1/3 of a fiber length of 20 mm (about 8 mm), and a uniform orientation could be confirmed. Further, when reinforcing reinforcing bar rods are provided in a thin wall, fiber restraint occurs remarkably, but it is also improved.

(5) Settling speed can be set freely. That is, the settling speed of the inner mold 16 is set to 0.01 to 5.0 cm / second as a guide. When the inner mold 16 is rapidly settled (when the sedimentation speed exceeds 5.0 cm / sec), a vacuum spot is generated to induce separation of the concrete material and air entrainment. The vacuum spot remains as a cavity in the concrete compact 19a.

  The molded product 19 of the present invention can be used for structures such as columns or beams, and protective bodies such as containers, tubes, and tubes.

It is process drawing which shows 1st Embodiment of the manufacturing method of the molded product which concerns on this invention, (a) is sectional drawing when starting the sedimentation of the inner mold in the concrete in an outer mold, b) is a cross-sectional view when the inner mold is settled, (c) is a cross-sectional view of the obtained composite tubular molded product, and (d) is a cross-sectional view of the obtained single tubular molded product. FIG. It is process drawing which shows 2nd Embodiment of the manufacturing method of the molded product which concerns on this invention, (a) is sectional drawing when starting the sedimentation of the inner mold into the concrete in an outer mold, (b) is a cross-sectional view when the inner mold is settled, (c) is a cross-sectional view at the time of demolding, (d) is a cross-sectional view of the obtained composite tubular molded product, (e) FIG. 5 is a cross-sectional view of another molded product of the obtained composite tube. It is sectional drawing which shows 3rd Embodiment of the molded product which concerns on this invention. It is process drawing which shows 4th Embodiment of the manufacturing method of the molded product which concerns on this invention, (a) is sectional drawing when starting insertion of the inner mold frame in an outer mold frame, (b) is , A cross-sectional view when the inner formwork starts to sink into the concrete in the outer formwork, (c) is a cross-sectional view when the settling of the inner formwork is finished, and (d) is a filling take-out Sectional drawing of the molding which shows a state, (e) is sectional drawing which shows the example which uses a molding as a container. It is process drawing which shows 5th Embodiment of the manufacturing method of the molding which concerns on this invention, (a) is a perspective sectional view when starting insertion of the inner mold frame in an outer mold frame, (b) ) Is a cross-sectional view when the inner formwork starts to sink into the concrete in the outer formwork, (c) is a cross-sectional view when the settling of the inner formwork is finished, and (d) is a detached view. It is sectional drawing which shows the molded object at the time of a mold. It is sectional drawing to which the mold release state of the molded product same as the above was expanded. It is sectional drawing which shows the usage example which uses a molded product same as the above as a repair board of an existing structure. It is sectional drawing which shows the usage example which uses a molded product same as the above as a formwork of a new structure. It is process drawing which shows 6th Embodiment of the manufacturing method of the molded product which concerns on this invention, (a) is a perspective sectional view which shows the state which injected | thrown-in concrete in an outer formwork, (b) Sectional view showing the insertion of the inner mold into the mold, (c) is a sectional view when the inner mold is settled into the concrete in the outer mold, and (d) is at the time of demolding. (E) is sectional drawing which shows the molded object divided | segmented. It is sectional drawing to which the division | segmentation state of the molded product same as the above was expanded. It is sectional drawing which shows the usage example which uses a molded product same as the above as a formwork of a columnar structure. It is sectional drawing which shows the usage example which uses a molded product same as the above as a formwork of a wall structure. It is sectional drawing which shows 7th Embodiment of the manufacturing method of the molded product which concerns on this invention. It is sectional drawing which shows 8th Embodiment of the manufacturing method of the molded product which concerns on this invention.

Explanation of symbols

10 External formwork as one formwork
16 Inner formwork as the other formwork
17 gap
18 Ultra high strength fiber reinforced concrete as fluid material
19 moldings
19a Concrete compacts as compacts
19b, 19c Different material layers as preformed layers
21 Filling
37 Fixed inner formwork as one formwork
38 Movable outer formwork as the other formwork
39 Fixed frame as one formwork
40 Movable frame as the other mold

Claims (14)

Move the flowable material between one moldwork and the other moldwork by moving the other moldwork relative to one moldwork and applying a load to the flowable material from the other moldwork. A molded article characterized by comprising a molded article molded by molding. The molded product according to claim 1, further comprising a preformed layer integrated on at least one of the outer peripheral surface side and the inner peripheral surface side of the molded body. The molded product according to claim 2, wherein the preformed layer is formed of at least one of one mold and the other mold. One preformed layer formed by one mold,
The other preformed layer formed by the other hollow mold,
The molded product according to any one of claims 1 to 3, further comprising a molded body formed of a flowable material between both of the preformed layers. Move the other formwork relative to one formwork,
Add a load to the fluid material that has fluidity from the other mold,
Move the flowable material into the gap between one mold and the other,
A method for producing a molded product, wherein a molded product is molded between one mold frame and the other mold frame. Pre-load fluid material into one mold,
When sinking the other mold into the flowable material in one mold,
The method for producing a molded article according to claim 5, wherein the moving speed of the flowable material surface that has been previously put into one mold is controlled by controlling the settling speed of the other mold. The method for producing a molded product according to claim 6, wherein the settling speed of the other mold is controlled by adjusting a load of a heavy object put into the other mold formed in a hollow shape. One formwork and the other formwork are erected vertically,
Insert the other formwork in the direction of gravity,
The method for producing a molded product according to any one of claims 5 to 7, wherein the fluid material is pressurized and moved in an antigravity direction. The method for producing a molded product according to any one of claims 5 to 8, wherein the other mold is disposed concentrically at the center of the one mold. The method for producing a molded product according to any one of claims 5 to 9, wherein a filling material having a specific gravity greater than that of the flowable material is filled inside the other mold formed in a hollow shape. One mold is a container-shaped mold having an outer shape obtained by horizontally cutting a horizontally inverted cylinder and having an upper surface opened in a quadrangular shape.
The other mold is a container-shaped mold having an outer shape obtained by horizontally cutting an overturned cylinder having a smaller diameter than that of one mold and having an upper surface opened in a similar shape smaller than that of the other mold. The manufacturing method of the molding in any one of Claims 5 thru | or 7. One mold is formed in a vertically long container shape with an opening on the top surface,
The method of manufacturing a molded product according to claim 6 or 8, wherein the other mold is formed in a plate shape and inserted into the one mold. The method for producing a molded product according to claim 12, wherein the other mold is formed in a partition plate shape that divides the thickness in one mold into a plurality. The method for producing a molded product according to any one of claims 11 to 13, wherein the other mold has irregularities on a surface in contact with the fluid material.

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