WO2008066177A1 - Structure en béton, procédé de fabrication de la structure en béton et procédé de mise en oeuvre de la structure et du procédé - Google Patents

Structure en béton, procédé de fabrication de la structure en béton et procédé de mise en oeuvre de la structure et du procédé Download PDF

Info

Publication number
WO2008066177A1
WO2008066177A1 PCT/JP2007/073241 JP2007073241W WO2008066177A1 WO 2008066177 A1 WO2008066177 A1 WO 2008066177A1 JP 2007073241 W JP2007073241 W JP 2007073241W WO 2008066177 A1 WO2008066177 A1 WO 2008066177A1
Authority
WO
WIPO (PCT)
Prior art keywords
concrete
concrete structure
tag
communication medium
information
Prior art date
Application number
PCT/JP2007/073241
Other languages
English (en)
Japanese (ja)
Inventor
Ken Sakamura
Takeyuki Kimijima
Masao Kusano
Tatsushi Morokuma
Jun Yamada
Original Assignee
Sumitomo Osaka Cement Co., Ltd.
Ubiquitous Computing Technology Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2006326132A external-priority patent/JP5355853B2/ja
Priority claimed from JP2006326131A external-priority patent/JP5122117B2/ja
Application filed by Sumitomo Osaka Cement Co., Ltd., Ubiquitous Computing Technology Corporation filed Critical Sumitomo Osaka Cement Co., Ltd.
Publication of WO2008066177A1 publication Critical patent/WO2008066177A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0031—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with product identification means, e.g. labels on test products or integrated circuit tags inside products RFID

Definitions

  • the present invention relates to a concrete structure, a manufacturing method thereof, and a management method thereof.
  • the concrete structure means a concrete product and a concrete structure.
  • the present invention relates to a concrete product that can also be used to manage ready-mixed concrete used for casting, its manufacturing method, and its management method.
  • the present invention relates to a manufacturing method and a management method thereof.
  • This concrete product is RFID data carrier with the antenna pointing direction toward the outer peripheral surface at a position retracted inward from the outer peripheral surface of the concrete building material made of concrete such as fume pipe.
  • a rear (so-called IC tag) is installed, and data is written to and read from the RFID data carrier by wireless communication between the RFID data carrier and an RFID device provided outside the concrete product. ! /
  • the RFID data carrier is attached to the holding part of the dedicated RFID data carrier installation jig, and then, into the concrete product formwork in which the fluid concrete has already been poured, before the fluid concrete is solidified,
  • the RFID data carrier is inserted into the installation jig, embedded and fixed in concrete, and then the fluidized concrete is solidified and demolded.
  • Patent Document 1 JP 2000-91963 A
  • the design company manages the design information on the design of concrete structures, such as the designers, licensing agencies, and storage locations for design drawings.
  • the construction company manages the construction information such as the concrete supplier, manufacturing factory, delivery date, delivery amount, and contractor related to construction!
  • the construction owner manages various measurement information such as the neutralization depth, salinity measurement amount, and other information related to repair and maintenance after construction.
  • Patent Document 2 JP 2001-201379 A Gazette
  • the RFID data carrier installation jig Since the RFID data carrier is embedded in the concrete together with the dedicated RFID data carrier installation jig, the RFID data carrier installation jig also remains in the concrete product as a foreign object. Affects the strength of the product.
  • the present invention has been made in order to solve the above-described problems, and various data such as the history of the manufacturing process related to the concrete product itself and the concrete placement are simply, accurately, and reliably. Therefore, it can be easily used in inventory, shipping management, etc. In addition, it can be tracked later and can be used for traceability. Products,
  • An object of the present invention is to provide a method for manufacturing a concrete structure such as a concrete structure that can be used and a method for managing the same
  • the present inventors have made it possible to embed a non-contact communication medium in the form of a thin plate in a concrete structure. If only a thin non-contact communication medium without using a dedicated installation jig or using a complicated and expensive device like the conventional one is embedded in the vicinity of one surface of this concrete body, The position of the non-contact communication medium in the concrete body is always constant. Therefore, the management of the concrete structure can be performed easily, accurately and surely, and the force is also contributed to the efficiency of the management work. Information on quality of concrete, information on construction, various measurement data after construction, and information on repair and maintenance are managed in a simple, accurate, reliable and collective manner. It found that can Rukoto force, which resulted in the completion of the present invention. That is, the concrete structure of the present invention is characterized in that a thin plate-like non-contact communication medium is embedded in the vicinity of one surface of the concrete body.
  • the position of the non-contact communication medium embedded in the concrete body can be easily determined by embedding a thin plate-like non-contact communication medium in the vicinity of one surface of the concrete body. This makes it possible to easily detect signals from non-contact communication media with high sensitivity and to manage concrete structures easily, accurately, and reliably. Information on concrete quality, construction Information, post-construction measurement data, and information related to repair and maintenance can be managed in a simple, accurate, reliable manner.
  • this non-contact communication medium includes the lot number, composition, quality (grade), date and time of setting, curing conditions, etc. Since it is possible to read / write information on concrete structures including detailed data related to installation, deterioration, defects, etc. may occur over time after the concrete structure is delivered or after the concrete structure is constructed. Even if it occurs, it is possible to easily elucidate the cause of deterioration or malfunction. In addition, even if this information has been installed for a long time, there is no risk of loss or deterioration of the information.
  • the concrete structure of the present invention includes a concrete member in which a thin plate-like non-contact communication medium is embedded in the concrete body.
  • This concrete structure is provided with a concrete member in which a thin plate-like non-contact communication medium is embedded in the concrete body.
  • a concrete member in which a thin plate-like non-contact communication medium is embedded in the concrete body.
  • the position of the non-contact communication medium in the concrete structure is constant, and it becomes extremely easy to specify the position of the non-contact communication medium when reading the non-contact communication medium force information. Therefore, it becomes possible to manage the concrete structure more easily, accurately and reliably.
  • the non-contact communication medium is embedded in the vicinity of the placement surface of the concrete body and in the vicinity of one surface other than the placement surface of the concrete body. It is characterized by.
  • the concrete structure of the present invention is characterized in that a position of one end portion of the non-contact communication medium substantially coincides with a placement surface of the concrete body.
  • the position of the non-contact communication medium in the concrete becomes constant by making the position of one end of the non-contact communication medium substantially coincide with the placement surface of the concrete body.
  • the concrete structure of the present invention is characterized in that the non-contact communication medium is attached to a reinforcing bar positioning member provided inside the concrete body.
  • the position of the non-contact communication medium in the concrete body is fixed by attaching the non-contact communication medium to the reinforcing bar positioning member provided inside the concrete body.
  • the concrete structure of the present invention is characterized in that the distance between the antenna portion of the non-contact communication medium and the one surface is within 3 cm.
  • the non-contact communication medium has a length of 150 mm or less and a width of 100 mm or less.
  • the non-contact communication medium is provided with an integrated circuit capable of writing / reading information and the antenna section on a substrate made of a flexible organic polymer. It is characterized by. Note that the above writing / reading can be selected according to need, either writing and / or reading.
  • the shape of the non-contact communication medium follows the deformation of the ready-mixed concrete even when the ready-mixed concrete hardens. There is no risk of cracks or gaps between the contactless communication media. Thereby, there is no possibility that the strength of the concrete body is lowered, and the concrete body has a desired mechanical strength.
  • the concrete structure of the present invention is characterized in that the integrated circuit and the antenna section are covered with a film made of an organic polymer.
  • the concrete structure product of the present invention is characterized in that the information recorded in the non-contact communication medium is identification information of the concrete body.
  • the information recorded in the non-contact communication medium is used as the identification information of the concrete body, and this information is read in a non-contact manner using a non-contact communication medium reader. It is possible to easily know the composition, characteristics, history, etc.
  • raw concrete is placed in a formwork of the concrete structure, and then a thin plate-like non-contact communication medium is inserted from the surface of the ready-mixed concrete. It is characterized in that it is embedded in the ready-mixed concrete, then the ready-mixed concrete is hardened and then demolded to form a concrete structure.
  • signals from non-contact communication media can be easily detected with high sensitivity, and various types of information related to the concrete structure can be managed easily, accurately, and reliably.
  • a concrete structure that can be managed in a simple manner and that does not have the risk of lowering the concrete strength is manufactured easily and inexpensively using the same method as the conventional method for manufacturing a concrete structure. It becomes possible.
  • a non-contact communication medium is attached to a positioning member provided on the reinforcing bar, and then the reinforcing bar to which the non-contact communication medium is attached is placed in the formwork of the concrete structure. Then, the ready-mixed concrete is placed in the formwork, and then the ready-mixed concrete is hardened and then demolded to form a concrete structure.
  • the information recorded in the non-contact communication medium of the concrete structure is read in a non-contact manner using a non-contact communication medium reader, and the read information is read out.
  • the concrete structure is managed based on
  • the information recorded in the non-contact communication medium of the concrete structure can include at least one of an ID number, information on ready-to-use concrete, and information on the concrete structure.
  • information stored on a server or personal computer may be obtained.
  • a non-contact communication medium reader is used to read information recorded on a non-contact communication medium of a concrete structure in a non-contact manner, and management is performed based on the read information.
  • the non-contact communication medium reading device performs both reading of information from the non-contact communication medium and writing of information to the non-contact communication medium. It is a portable non-contact communication medium reading / writing device.
  • the non-contact communication medium reading device uses a portable non-contact communication medium for both reading information from the non-contact communication medium and writing information to the non-contact communication medium.
  • a contact communication medium reading / writing device it is possible to know a wide range of information on concrete structures on the spot and in real time.
  • the thin plate-like non-contact communication medium is embedded in the vicinity of one surface of the concrete body, it is easy to specify the position of the non-contact communication medium. Therefore, signals from non-contact communication media can be detected easily with high sensitivity, and the concrete structure can be managed easily, accurately and reliably. Information on the quality of concrete, information on construction, Various measurement data and information related to repair and maintenance can be managed in a simple, accurate and reliable manner.
  • this non-contact communication medium includes the concrete product production date, type, production plant, production mouth, concrete lot number, composition, quality (grade), placement date and time, curing conditions, etc. Since it is possible to read / write information on concrete structures including detailed data related to placement, deterioration or malfunctions may occur over time after the concrete structures are delivered or after construction. Even in such a case, the cause of deterioration or malfunction can be easily clarified, and there is no risk of information loss or deterioration.
  • the non-contact communication medium is attached to the reinforcing bar positioning member provided inside the concrete body, the attachment position of the non-contact communication medium is provided.
  • the position of the contactless communication medium when reading information can be specified very easily. Therefore, it is possible to manage the concrete structure more easily, accurately and reliably, and to perform the force in a batch.
  • the ready-mixed concrete is placed in the formwork of the concrete structure, and then a thin plate-like non-contact communication medium is placed from the ready-cast surface of the ready-mixed concrete.
  • Concrete structure that can be embedded in this ready-mixed concrete, then hardened, then demolded, so that various information on the concrete structure can be managed in a simple, accurate and reliable manner, and the strength can be managed collectively.
  • the body can be easily and inexpensively manufactured by the same manufacturing method as that of a conventional concrete structure.
  • a non-contact communication medium is attached to a positioning member provided on the reinforcing bar, and then the reinforcing bar to which the non-contact communication medium is attached is attached. Since it is placed in the formwork of a concrete structure, and then raw concrete is placed in this formwork, and then this ready-mixed concrete is hardened and then demolded, various information on the concrete structure can be simplified.
  • the concrete structure of the present invention capable of accurately, reliably, and collectively managing the force can be easily and inexpensively manufactured by the same manufacturing method as that of the conventional concrete structure.
  • the information recorded in the non-contact communication medium of the concrete structure is read in a non-contact manner using a non-contact communication medium reader, and the read is performed. Since the concrete structure is managed based on the information, a wide range of information on the concrete structure can be obtained quickly and in real time, and the management of the concrete structure is simple, accurate and reliable. , And the power to do it all at once.
  • FIG. 1 is a perspective view showing an L-shaped retaining wall according to a first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of region A in FIG.
  • FIG. 3 is a perspective view showing an IC tag.
  • FIG. 4 is a cross-sectional view taken along the BB spring in FIG.
  • FIG. 5 is a perspective view showing a method for manufacturing the L-shaped retaining wall of the first embodiment of the present invention.
  • FIG. 6 is a cross-sectional view showing the method for manufacturing the L-shaped retaining wall of the first embodiment of the present invention.
  • 7] A cross-sectional view showing an L-shaped retaining wall according to the second embodiment of the present invention.
  • FIG. 8 A perspective view showing a spacer of the L-shaped retaining wall according to the second embodiment of the present invention.
  • FIG. 10 A perspective view showing a spacer of an L-shaped retaining wall according to a third embodiment of the present invention.
  • FIG. 11 A perspective view showing a box culvert according to a fourth embodiment of the present invention.
  • FIG. 13 is a sectional view taken along line AA in FIG.
  • FIG. 14 is a cross-sectional view showing a method for producing a concrete structure according to a fifth embodiment of the present invention.
  • 15] A cross-sectional view showing a concrete structure according to the sixth embodiment of the present invention.
  • FIG. 1 is a perspective view showing an L-shaped retaining wall that is a concrete product according to the first embodiment of the present invention
  • FIG. 2 is a cross-sectional view of region A in FIG. 1, in which 1 is a concrete body, 2 is Reinforcing bars arranged inside the concrete body 1 and along the outer side surface la, 3 is the surface near the placing surface lb of the concrete body 1, and the surface other than the placing surface lb of the concrete body 1
  • the antenna surface of the antenna portion of the IC tag 3 is parallel to the outer side surface la of the concrete body 1.
  • the angle between the antenna surface and the side surface la is considered in consideration of the sensitivity and stability during writing / reading of the IC tag 3.
  • the degree is 45. Within 30 ° is preferable.
  • FIG. 3 is a perspective view showing the IC tag 3
  • FIG. 4 is a cross-sectional view taken along the line B-B in FIG. The ratio has been changed from the actual one.
  • the IC tag 3 has a thin plate shape, and an IC (integrated circuit) 12 capable of writing / reading information on a substrate 11 made of a flexible organic polymer, and around the IC 12, An oblong and spiral antenna unit 13 is provided so as to surround this, and the substrate 11, IC 12, and antenna unit 13 are entirely made of an organic polymer film 14 such as a laminate film, for example. It is covered with.
  • IC tags for example, a type using a ceramic substrate, a type coated or sealed with ceramics, etc. can be used.
  • the IC tag 3 may be either an active type or a passive type as long as it is a thin plate. 1S It is easy to make a predetermined thin plate shape, and it is left in the concrete body 1 for a long time. Unnecessary passive type is preferred!
  • the substrate 11 may be an organic polymer in that it has moderate flexibility as long as it has a function as a support for supporting the IC 12 and the antenna unit 13, and is easy to handle.
  • a film is preferred.
  • a plastic film such as polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polystyrene (PS), polycarbonate (PC) is preferably used.
  • PET polyethylene terephthalate
  • PET polyethylene terephthalate
  • the shape of the substrate 11 may be set in accordance with the shapes of the IC 12 and the antenna portion 13. A rectangular shape is preferable because it is easy to handle when embedded in 1S concrete.
  • the IC 12 only needs to be able to write / read information related to this L-type retaining wall, but in order to prevent falsification of information, the already written information can be erased or overwritten. I can't do it, but I prefer to just write an additional part of the information.
  • Type of L-type retaining wall production date, production location (factory line, etc.), production lot number, delivery destination, delivery date, other specifications, etc.
  • the antenna unit 13 is formed by etching a metal thin film or a metal foil into an ellipse having a predetermined size and a spiral shape.
  • Film 14 covers the entire substrate 11, IC12, and antenna 13 and protects them from the external environment.
  • a laminate film is preferable.
  • a laminated film consisting of multiple layers is preferred because of its high strength!
  • a plastic film such as polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polystyrene (PS), polycarbonate (PC) is preferably used.
  • PET polyethylene terephthalate
  • PET polyethylene
  • PP polypropylene
  • PS polystyrene
  • PC polycarbonate
  • PET Polyethylene terephthalate
  • the IC tag 3 preferably has a length of 150 mm or less and a width of 100 mm or less, more preferably a length of 100 mm or less and a width of 70 mm or less, more preferably a length of 90 mm or less.
  • the width is within 60mm.
  • the thickness is preferably within 3 mm, more preferably within 2 mm, and even more preferably within 1 mm.
  • the size of the IC tag 3 is within the above range, the characteristics such as the mechanical strength of the L-type retaining wall will not be affected. Furthermore, when the IC tag 3 is inserted, there is less chance of contact with the aggregate in the concrete, and the embedding work is simplified.
  • the size of the IC tag 3 is the size excluding the film 14 when the film 14 is not covered, and the concrete body including the film 14 when the film 14 is covered 1 It is the size of the part embedded inside.
  • the ready-mixed concrete placed in the mold contains moisture, and the strength and strength are also alkaline. Therefore, it is necessary to use one that does not deteriorate due to moisture or alkali contained in the concrete during the period of use. There is. Therefore, it is necessary to perform waterproofing and alkaliproofing treatment as necessary. It is.
  • the whole is preferably covered with a film 14 made of an organic polymer such as a laminate film.
  • This film 14 has good adhesion to concrete and does not affect properties such as the mechanical strength of the L-shaped retaining wall!
  • the integrated substrate 11, IC 12 and antenna unit 13 may be stored in a plastic bag or a sealed container.
  • the substrate 11 the IC 12, and the antenna unit 13, those having durability against moisture and alkali contained in concrete, moisture entering the concrete from the outside during curing, and the like may be used.
  • an IC card non-contact communication medium or the like may be used as necessary.
  • form 2;! ⁇ 24 is assembled into the shape of an L-shaped retaining wall, a predetermined ready-mixed concrete 25 is placed in this form 2;! ⁇ 24, and from the placement surface 25a of this ready-made concrete 25,
  • the IC tag 3 is embedded in the ready-mixed concrete 25 so that the antenna part 13 of the IC tag 3 is positioned in the vicinity of the placing surface 25a and in the vicinity of the inner surface 21a of one mold 21.
  • the antenna portion 13 of the IC tag 3 is embedded in the ready-mixed concrete 25 in a state parallel to the inner surface 21a of the mold 21 or inclined with respect to the inner surface 21a.
  • the antenna surface of the antenna portion 13 of the IC tag 3 is parallel to the inner surface 21a of the mold 21 and 'BR> 7.
  • the antenna surface of the antenna unit 13 is preferably within 45 ° with respect to the inner surface 21a, more preferably within 30 °.
  • the entire antenna surface of the antenna portion 13 is formed on the inner surface 21 a (contour of the mold 21. It is preferable to be located within an area of 3 cm from the surface of the cleat body, and more preferably within an area of lcm. That is, the entire antenna surface of the antenna portion 13 of the IC tag 3 is located within an area within 3 cm from the side of the concrete body 1, preferably within an area within l cm.
  • the antenna surface of the IC tag 3 is three-dimensional with respect to the inner surface 21a of the mold 21. Regardless of which direction it is tilted, the sensitivity and stability when writing / reading identification information are improved.
  • the embedded depth of the IC tag 3 only needs to be fixed when the ready-mixed concrete 25 placed in the mold 2;! -24 is hardened.
  • the depth of embedding is not limited as long as it is embedded in the IC tag 3 to the extent that it is not affected by damage or the like, and the position of one end of the IC tag 3 may be substantially coincident with the placement surface.
  • the IC tag 3 may be damaged or deteriorated, resulting in a problem that the stability of the signal may be reduced. Therefore, if necessary, the upper end of the IC tag 1 or the upper end of the antenna unit 13 may be struck. It is preferable to embed to a depth of about 10mm from the surface 25a.
  • the IC tag 3 By setting the embedded depth of the IC tag 3 within the above range, the IC tag 3 can be prevented from being damaged or deteriorated, and the signal stability can be improved.
  • the IC tag 3 can be easily embedded to a predetermined depth without variation for each L-type retaining wall.
  • the end portion of the substrate 11 protruding from the placing surface 25a can be easily cut if necessary after the ready-mixed concrete 25 is cured.
  • the portion of the lapping only protrudes from the placement surface 25a. You can also keep the wrapping-only part longer. Again, stretch according to the embedding depth If the wrapping part is marked, the IC tag 3 can be easily embedded to a predetermined depth without variations among L-type retaining walls.
  • the wrapping portion protruding from the placing surface 25a can be easily cut if necessary after the ready-mixed concrete 25 is cured, and a notch is formed so as to be easily cut. Also good.
  • Information about predetermined ready-mixed concrete may be preliminarily written in the IC tag 3 before placing. Also, after the IC tag 3 is embedded in the ready-mixed concrete 25, predetermined ready-made concrete is stored. You may write information about. In addition, a predetermined ID may be written in the IC tag 3 in advance, or the predetermined ID may be written after the IC tag 3 is embedded in the ready-mixed concrete 25. This information includes m information, information about the concrete used, and the L-type retaining wall to be manufactured.
  • the ready-mixed concrete 25 is cured by steam curing at a predetermined temperature for a predetermined time, and then demolded to form the L-type retaining wall of this embodiment.
  • Information recorded on the IC tag 3 of this L-type retaining wall is read in a non-contact manner using an IC tag reader / writer (non-contact communication medium writing / reading device), and based on the read information, the L-type Manage retaining walls.
  • the IC tag reader / writer is not particularly limited, but a portable one is preferred. The reason is that information can be easily written / read at the factory manufacturing site where the L-shaped retaining wall, which is a heavy object, is moved.
  • the distance at which the information written on the IC tag 3 can be read without contact depends on the size of the antenna of the IC tag reader / writer.
  • the antenna of the IC tag reader / writer when using a portable IC tag reader / writer, one with a very large antenna cannot be used. Therefore, in order to bring the IC tag reader / writer close to the IC tag 3 embedded in the L-type retaining wall, where the IC tag 3 is embedded in the L-type retaining wall, immediately It is important to be able to find (understand).
  • the IC tag 3 is placed near the placement surface lb of the concrete body 1 and its antenna part.
  • the information recorded on the IC tag 3 of the L-type retaining wall is read in a non-contact manner using a portable IC tag reader / writer, and based on the read information, the information of the L-type retaining wall is read. Since management is performed, a wide range of information about individual L-type retaining walls can be obtained quickly, and management of individual L-type retaining walls can be performed simply, accurately and reliably.
  • the IC tag reader / writer reads the IC tag information and ships it.
  • the supplier reads the IC tag information and confirms whether the delivery is correct.
  • IC tag reader / writer After installing this L-shaped retaining wall in place, at the time of inspection and repair, IC tag reader / writer reads IC tag information and saves information on ready-mixed concrete and L-shaped retaining wall, personal computer, etc. By accessing, you can know each information about ready-mixed concrete and L-type retaining wall based on ID number.
  • This management method 2 can achieve the same effects as the management method 1 described above.
  • the L-type retaining wall of the present embodiment when identifying, the IC tag 3 capable of writing / reading various data is identified in the L-type retaining wall in a predetermined embedding direction, Since it was decided to embed at the embedding position and embedding depth, it is possible to prevent human error related to identification of the L-type retaining wall, and there is no need to write recognition information on the L-type retaining wall. Can be achieved.
  • identification and maintenance of L-type retaining walls can be performed easily, accurately and reliably, and can be used in various fields such as manufacturing 'inventory', shipment management, traceability, etc. Very big.
  • FIG. 7 is a cross-sectional view showing an L-shaped retaining wall that is a concrete product of the second embodiment of the present invention.
  • the L-shaped retaining wall of the present embodiment is different from the L-shaped retaining wall of the first embodiment.
  • the thin IC tag 3 is directly embedded in the vicinity of the placing surface lb of the concrete body 1, whereas the L-type retaining wall of the present embodiment.
  • the thin IC tag 3 is kept at a constant distance between the rebar 2 and the inner surface 21a of the form 21 on which the ready-mixed concrete is placed. This is a point attached to a spacer (positioning member) 31 for the purpose.
  • the spacer 31 is provided so that the rebar 2 does not touch the inner surface of the mold when placing ready-mixed concrete on the mold, as shown in Figs.
  • a fixed portion 32 that is fitted and fixed to the joint of the reinforcing bars 2 arranged in a grid, a pair of plate-like positioning portions 33 and 33 extending outward in the horizontal direction from the fixed portion 32, and positioning This is composed of a plate-like connecting part 34 that connects the vicinity of the tip ends of the parts 33, 33 and keeps the distance between the positioning parts 33, 33 constant.
  • the IC tag 3 is attached to the outer surface of the connecting portion 34, so that the antenna portion is formed as a flat fi with one inner surface 21a of the molds 21 and 22 of the concrete body 1. As a result, the position where the IC tag 3 is embedded from the surface of the ready-mixed concrete is also uniquely determined.
  • the IC tag 3 is attached to the spacer 31 at the joint of the reinforcing bar 2, and then the reinforcing bar 2 to which the IC tag 3 is attached is placed in the molds 21 and 22 of the L-type retaining wall. Then, the ready-mixed concrete is placed in the molds 21 and 22, and after hardening, it is obtained by demolding.
  • the same effect as the L-shaped retaining wall of the first embodiment can be obtained with the force S.
  • the mounting position of the IC tag 3 is fixed, and moves when placing the ready-mixed concrete or antenna. There is no fear of changing the direction of.
  • the IC tag 3 is attached to the connection portion 34 of the spacer 31, it is possible to easily attach the IC tag by human hands without requiring a new jig or the like for attaching the IC tag.
  • FIG. 9 is a cross-sectional view showing an L-shaped retaining wall that is a concrete product of the third embodiment of the present invention.
  • the L-shaped retaining wall of the present embodiment is different from the L-shaped retaining wall of the second embodiment. Is the difference in the shape of the spacer.
  • the spacer 41 includes a small ring portion 43 in which a fitting cut 42 is formed along the axis, and ribs 44, 44 extending radially outward from the small ring portion 43. , Is connected to the vicinity of the tip of the rib, and the ribs 44, 44,... Are connected to each other, and a notch 45 for fitting is formed with a large ring portion 46 formed along the axis, These ribs 44, 44,... Keep the distance between the reinforcing bar 2 and the inner surface 21 a constant by abutting against the inner surface 21 a of the mold 21 when the reinforcing bar 2 is placed in the molds 21 and 22. It is possible to continue.
  • the IC tag 3 has a plurality of spacers 41 (four in FIG. 10) fitted in the reinforcing bar 2 and is attached to the outer peripheral surface of the large ring portion 46 between the ribs 44 and 44, thereby providing the antenna portion. Is parallel to the inner surface 21a of the mold 21 of the concrete body 1. As a result, the position where the IC tag 3 is embedded from the live concrete placement surface is also uniquely determined.
  • This L-type retaining wall is first fitted with a predetermined number of spacers 41 in a predetermined position of the reinforcing bar 2, for example, in the vicinity of the connection portion, and the spacers 41, 41,...
  • the IC tag 3 is attached to the outer peripheral surface of the ring part 46, and then the reinforcing bar 2 to which the IC tag 3 is attached is placed in the molds 21 and 22 of the L-type retaining wall, and then the molds 21 and 22 It is obtained by placing ready-mixed concrete on the surface and then curing and demolding.
  • FIG. 11 is a perspective view showing a box culvert that is a concrete product of the fourth embodiment of the present invention, and the box culvert of the present embodiment also has a cross section similar to the L-shaped retaining wall of the first embodiment.
  • a thin plate-like IC tag 3 is embedded in a position near the inside 51a of the concrete body 51 on the outer side and the side 51a near the placement surface 51b of the concrete body 51, The IC tag 3 is embedded so that the antenna surface of the antenna portion is parallel to the outer side surface 51 a of the concrete body 51.
  • the box culvert of this embodiment is the same as the L-type retaining wall of the first embodiment. 3 ⁇ 4] Can play fruit.
  • FIG. 12 is a perspective view showing a concrete structure according to a fifth embodiment of the present invention
  • FIG. 13 is a cross-sectional view taken along line AA in FIG. 12, which is an example of a column of reinforced concrete structure.
  • 101 is a concrete body
  • 102 is a reinforcing bar placed inside the concrete body 101
  • 3 is a thin plate-like IC tag embedded in the vicinity of the surface 101a of the concrete body 101 and near the placement surface 101b (non-contact Communication medium).
  • the IC tag 3 is embedded so that the antenna surface of the antenna portion is parallel to the surface 101a of the concrete body 101.
  • the antenna surface of the antenna portion of the IC tag 3 is parallel to the surface 101 a of the concrete body 101.
  • the IC tag 3 when embedding the antenna surface of the antenna part of the IC tag 3 in a state inclined with respect to the surface 101a of the concrete body 101, the IC tag 3 is considered in consideration of the sensitivity and stability during writing / reading of the IC tag 3.
  • the antenna surface of the antenna portion is preferably within 45 ° with respect to the surface 1 of the concrete body 101, more preferably within 30 °.
  • the IC tag 3 in the present embodiment is substantially the same as the IC tag 3 in the first embodiment, and therefore, the description thereof is omitted in the description thereof.
  • Examples of the information related to the concrete structure include the following items.
  • the antenna unit 13 is formed by etching a metal thin film or metal foil into an ellipse having a predetermined size and a spiral shape.
  • the film 14 covers the entire substrate 11, the IC 12, and the antenna 13 and protects it from the external environment. It has good adhesion to concrete. Mechanical strength of the concrete structure For example, a laminate film is preferable because it does not affect characteristics such as degree.
  • a laminate film with a multi-layer structure is preferred because of its high strength.
  • the whole is preferably covered with a film 14 made of an organic polymer such as a laminate film.
  • the film 14 is preferably one having good adhesion to concrete so as not to affect properties such as mechanical strength of the concrete structure.
  • the integrated substrate 11, IC 12, and antenna unit 13 may be stored in a plastic bag or a sealed container.
  • the substrate 11 the IC 12 and the antenna unit 13, those having durability against moisture and alkali contained in concrete, moisture entering the concrete from the outside during underwater curing, and the like may be used.
  • an IC card non-contact communication medium or the like may be used as necessary.
  • the formwork 121 is assembled into the shape of a concrete structure, and a reinforcing bar 102 having a predetermined shape is placed in the formwork 121. Then, the predetermined ready-mixed concrete 122 is placed in this formwork 121.
  • the ready-mixed concrete 122 is placed so that the placing surface 122a force of the ready-mixed concrete 122, the IC tag 3 is positioned in the vicinity of the placed-up surface 122a and in the vicinity of the inner surface 121a of one mold 121. Embed inside.
  • the antenna portion 13 of the IC tag 3 is embedded in the ready-mixed concrete 122 so as to be flat with respect to the inner surface 121a of the mold 121 or inclined with respect to the inner surface 121a.
  • the antenna surface of the antenna unit 13 is preferably parallel to the inner surface 121a of the mold 121.
  • the antenna of the IC tag 3 is considered in consideration of the sensitivity and stability during writing / reading of the IC tag 3. It is more preferable that the antenna surface of the portion 13 is within 45 ° with respect to the inner surface 121a, more preferably within 30 °.
  • the entire antenna surface of the antenna portion 13 of the IC tag 3 is located within an area within 3 cm from the inner surface 121a of the mold 121. More preferably, the IC tag 3 is located within an area within lcm. Is. That is, it is preferable that the entire antenna surface of the antenna portion 13 of the IC tag 3 is located within a region within 3 cm, preferably within a region within 1 cm from the surface of the concrete body 101.
  • the antenna surface of the IC tag 3 is three-dimensional with respect to the inner surface 121a of the mold 121. Regardless of which direction it is tilted, the sensitivity and stability when writing / reading identification information are improved.
  • the embedded depth of the IC tag 3 only needs to be fixed when the ready-mixed concrete 122 placed in the mold 121 is cured. However, the IC tag 3 is not affected by damage or the like. It is preferable to embed to the depth.
  • the upper end of the IC tag 3 or the upper end of the antenna unit 13 or the ready-mixed concrete 122 It is preferable to embed the casting surface 122a to a depth of about 5 mm to 10 mm.
  • the IC tag 3 By setting the embedded depth of the IC tag 3 within the above range, the IC tag 3 can be prevented from being damaged or deteriorated, and the signal stability can be improved.
  • the IC tag 3 can be easily embedded to a predetermined depth without variations among the concrete structures. And force S.
  • the end portion of the substrate 11 protruding from the placement surface 122a can be easily cut if necessary after the ready-mixed concrete 122 is cured.
  • the IC tag 3 When the IC tag 3 is used while being wrapped, the IC tag 3 is wrapped so that when the IC tag 3 is embedded from the placement surface 122a to a predetermined depth, only the lapping portion protrudes from the placement surface 122a. It is also possible to lengthen only the bing. Again, if the stretched wrapping part is marked according to the depth of embedding, the IC tag 3 can be easily embedded to a predetermined depth without variations among concrete structures.
  • the wrapping portion projecting from the placing surface 125a can be easily cut if necessary after the ready-mixed concrete 122 is cured, and a notch may be formed to facilitate cutting. good.
  • the sensitivity of exchanging information with the IC tag 3 is the same regardless of the concrete structure, so the accuracy and reliability of the obtained data are improved and workability is improved.
  • the information related to the concrete structure described above may be written in the IC tag 3 in advance before placing.
  • the concrete structure described above after the IC tag 3 is embedded in the ready-mixed concrete 122 is also possible. Information about an object may be written.
  • the ready-mixed concrete 122 is hardened and demolded, and further cured at a specified temperature for a specified time to obtain the concrete structure of this embodiment.
  • the information recorded on the IC tag 3 of this concrete structure is read in a non-contact manner using an IC tag reader / writer (non-contact communication medium writing / reading device), and the concrete structure is read based on the read information. Perform management.
  • the IC tag reader / writer is not particularly limited, but a portable one is preferred. The reason is that in a concrete structure, the structure itself cannot be moved, so the information of the IC tag 3 attached to the concrete structure is written / read. For this purpose, the IC tag reader / writer needs to be portable.
  • the distance at which the information written in the IC tag 3 can be read without contact depends on the size of the antenna of the IC tag reader / writer.
  • the antenna of the IC tag reader / writer when using a portable IC tag reader / writer, one with a very large antenna cannot be used. Therefore, in order to hold the IC tag reader / writer near the IC tag 3 embedded in the concrete structure, it is possible to quickly find out where the IC tag 3 is embedded in the concrete structure ( It is important to understand.
  • the information recorded on the IC tag 3 of the concrete structure is read in a non-contact manner using a portable IC tag reader / writer, and the concrete structure is managed based on the read information.
  • a wide range of information about individual concrete structures can be obtained quickly, and the management of individual concrete structures can be performed simply, accurately and reliably, and with the ability to fib in bulk.
  • the specific concrete information is written to the IC tag via the IC tag reader / writer at the shipper of ready-mixed concrete. Specifically, one of the following two is performed.
  • This IC tag is attached to the ready-mixed concrete truck, or brought to the customer at the time of delivery by bringing this IC tag.
  • the portable IC tag reader / writer can exchange information on concrete and concrete structures at the construction site and installation site with the server. The necessary information can be read directly on the spot, and therefore the necessary information can be grasped immediately on the spot.
  • the delivery destination reads the D information of the IC tag and confirms whether or not the delivery is correct.
  • the ic tag reader / writer After the installation, at the time of inspection and repair, the ic tag reader / writer reads the ic tag ro information and accesses the server, personal computer, etc. to obtain various information based on the ID number.
  • the IC tag 3 capable of writing / reading various types of data for identification is embedded in the concrete structure in a predetermined embedding direction. Since the embedding is performed at the position and the embedding depth, it is possible to manage the concrete structure in a simple, accurate and reliable manner, and to execute the force in a batch. Since this IC tag can retain data for a long time, if various phenomena occur while the concrete structure is used for a long time, the tracer of the concrete structure Can be carried out accurately and in a short time.
  • IC tag data can be read with a portable IC tag reader / writer, so it is possible to obtain information anywhere without restrictions on place and date.
  • the management of concrete structures can be performed easily, accurately, reliably, and in a batch, and can be stored for a long period of time, so that various concrete structures such as traceability and maintenance management of concrete structures can be used. It can be used in the field, and its effect is very large.
  • FIG. 15 is a sectional view showing a concrete structure according to the sixth embodiment of the present invention.
  • the difference between the concrete structure according to the present embodiment and the concrete structure according to the first embodiment is that in the fifth embodiment.
  • the thin IC tag 3 is directly embedded in the vicinity of the placing surface 101b of the concrete body 101, whereas in the concrete structure of this embodiment, the thin IC tag 3 is embedded. Is attached to a spacer (positioning member) 131 for maintaining a constant distance between the reinforcing bar 102 and the inner surface 121a of the mold 121 for placing ready-mixed concrete.
  • the spacer 131 is provided so that the rebar 102 does not touch the inner surface of the formwork when the ready-mixed concrete is placed in the formwork.
  • a fixed portion 132 that is fitted and fixed to a joint portion of the reinforcing bars 102 arranged in a lattice shape, a pair of plate-like positioning portions 133 and 133 that extend outward in the horizontal direction from the fixed portion 132, and positioning It is composed of a plate-like connecting part 134 that connects the vicinity of the tip parts of the parts 133 and 133 and keeps the distance between the positioning parts 133 and 133 constant, and these positioning parts 133 and 133 connect the reinforcing bars 102 to each other.
  • the gap between the reinforcing bar 102 and the inner surface 121a is made uniform by abutting against the inner surface 121a of the mold 121 when placed in the molds 121 and 122.
  • the IC tag 3 is attached to the outer surface of the connecting portion 134, so that the antenna portion is parallel to one inner surface 121a of the mold 121 of the concrete body 101 or inclined with respect to the inner surface 121a. So that it is embedded in ready-mixed concrete.
  • the antenna surface of the antenna part 13 of the IC tag 3 is parallel to the inner surface 121 a of the mold 121.
  • Ma when the antenna surface of the antenna portion 13 of the IC tag 3 is embedded in an inclined state with respect to the inner surface 121a, the sensitivity and stability at the time of writing / reading of the IC tag 3 are taken into consideration. 813 ⁇ 4> It is more preferable that the antenna surface of the antenna portion 13 is within 45 ° with respect to the inner surface 121a, more preferably within 30 °.
  • the entire antenna surface of the antenna portion 13 of the IC tag 3 is located within an area within 3 cm from the inner surface 121a of the mold 121. More preferably, the IC tag 3 is located within an area within lcm. Is. That is, it is preferable that the entire antenna surface of the antenna portion 13 of the IC tag 3 is located within a region within 3 cm, preferably within a region within 1 cm from the surface of the concrete body.
  • the antenna surface of the IC tag 3 is three-dimensional with respect to the inner surface 121a of the mold 121. Regardless of which direction it is tilted, the sensitivity and stability when writing / reading identification information are improved.
  • IC tag 3 is attached to spacer 131 at the joint of rebar 102.
  • the reinforcing bar 102 to which the IC tag 3 is attached is placed in the formwork 121 of the concrete structure, and then ready-mixed concrete is placed in the formwork 121, and then the raw concrete is hardened. And then demolding.
  • the concrete structure of the present embodiment can achieve the same effects as the concrete structure of the fifth embodiment.
  • the attachment position of the IC tag 3 is fixed, and it moves when placing concrete, or the antenna There is no fear of changing direction.
  • the IC tag 3 is attached to the connection part 134 of the spacer 131, a new jig or the like for attaching the IC tag is not required, and the IC tag can be easily attached by human hands.
  • FIG. 19 is a cross-sectional view showing a concrete structure that is a concrete product of the seventh embodiment of the present invention.
  • the concrete structure of the present embodiment is the concrete structure of the sixth embodiment.
  • the difference from the structure is that the shape of the spacer is different.
  • the spacer 141 has a small ring part 143 in which a notch 142 for fitting is formed along the axis, and extends radially outward from the small ring part 143.
  • a notch 142 for fitting is formed along the axis, and extends radially outward from the small ring part 143.
  • the IC tag 3 has a plurality of spacers 141 (four in FIG. 18) fitted in the reinforcing bar 102, and is attached to the outer peripheral surface of the large ring portion 146 between the ribs 144 and 144.
  • the antenna portion is embedded in the ready-mixed concrete so that the antenna portion is parallel to the inner surface 121a of the mold 121 of the concrete body 101 or inclined with respect to the inner surface 121a.
  • the antenna surface of the antenna part 13 of the IC tag 3 is parallel to the inner surface 121 a of the mold 121.
  • the antenna of the IC tag 3 is considered in consideration of the sensitivity and stability during writing / reading of the IC tag 3. It is more preferable that the antenna surface of the portion 13 is within 45 ° with respect to the inner surface 121a, more preferably within 30 °.
  • the entire antenna surface of the antenna portion 13 of the IC tag 3 is located within an area within 3 cm from the inner surface 121a of the mold 121. More preferably, the IC tag 3 is located within an area within lcm. Is. That is, it is preferable that the entire antenna surface of the antenna portion 13 of the IC tag 3 is located within a region within 3 cm, preferably within a region within 1 cm from the surface of the concrete body.
  • the antenna surface of the IC tag 3 is three-dimensional with respect to the inner surface 121a of the mold 121. Regardless of which direction it is tilted, the sensitivity and stability when writing / reading identification information are improved.
  • the concrete structure is predetermined at a predetermined position of the reinforcing bar 102, for example, in the vicinity of the connection portion.
  • the number of spacers 141 is fitted, and the IC tag 3 is attached to the outer peripheral surface of the large ring portion 146 between the ribs 14 4, 144. Obtained by placing the attached rebars 102 in a formwork 121 of a concrete structure, then placing the ready-mixed concrete in this formwork 121, then hardening the ready-mixed concrete and then demolding .
  • the concrete structure of the present embodiment can achieve the same effects as the concrete structure of the sixth embodiment.
  • the predetermined number of spacers 141 are fitted into the reinforcing bar 102, and the IC tag 3 is mounted on the outer peripheral surface of the large ring portion 146 between the ribs 144, 144 of the spacers 141, 141,. Since it is attached, it is possible to easily attach the IC tag by hand without the need for a new jig to attach the IC tag.
  • FIG. 19 is a perspective view showing a concrete structure according to an eighth embodiment of the present invention, which is an example of a reinforced concrete structure wall.
  • Te 151 (ma concrete body, 152 (ma concrete material, this concrete age 152 is the concrete age 152 formed on the wall 151a of the concrete body 151)
  • the wall surface (one surface) 152a of the concrete member 152 is flush with the wall surface 151a of the concrete body 151 when fitted.
  • the IC tag 3 is embedded in the vicinity of the wall surface (one surface) 152a and in the vicinity of the placing surface 152b.
  • the IC tag 3 has a concrete member such that the antenna surface of the antenna portion is parallel to the wall surface 152a of the concrete member 152 or inclined with respect to the wall surface 152a. Embedded in 152.
  • the antenna surface of the antenna part 13 of the IC tag 3 is parallel to the wall surface 152a.
  • the antenna of the IC tag 3 is considered in consideration of the sensitivity and stability during writing / reading of the IC tag 3.
  • the antenna surface of part 13 should be within 45 ° with respect to wall surface 152a Is more preferably within 30 °.
  • the entire antenna surface of the antenna unit 13 is located in an area within 3 cm from the wall surface 152a, more preferably in an area within lcm. is there. That is, it is preferable that the entire antenna surface of the antenna portion 13 of the IC tag 3 is located in a region within 3 cm from the wall surface 152a, preferably in a region within lcm.
  • the antenna surface of the IC tag 3 is inclined in any of the three-dimensional directions with respect to the wall surface 152a.
  • the sensitivity and stability when writing / reading the identification information are improved.
  • the concrete body 151 and the concrete member 152 are preferably made of concrete having the same composition. From the viewpoint of mechanical strength and aesthetic appearance.
  • the concrete member 152 can also be used as a nameplate attached to the structure. In other words, by embedding the IC tag 3 in which various information is written on the nameplate, the position of the IC tag 3 can be easily specified and the information can be grasped.
  • the concrete structure of the present embodiment can achieve the same effects as the concrete structure of the fifth embodiment.
  • the IC tag 3 Since the IC tag 3 is embedded in a concrete member 152 that is much smaller than the concrete body 151, the IC tag 3 can be fixed accurately and reliably, and the position of the IC tag 3 can be clearly identified. It becomes like this.
  • the IC tag 3 may be damaged if the IC tag 3 is fixed in the concrete body 101 as in the first embodiment.
  • the concrete member 152 by removing the concrete member 152 from the recess 153, it is possible to repair only the damaged concrete body, and there is no possibility that the IC tag 3 of the concrete member 152 is damaged.
  • the concrete member 152 may be reinserted into the recess 153 after repair.
  • Industrial applicability [0136]
  • the present invention can be applied to a concrete structure, a manufacturing method thereof, and a management method thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

Cette invention concerne un produit en béton, un procédé permettant de fabriquer le produit et un procédé permettant de mettre en oeuvre le produit et le procédé, lequel procédé peut consister à gérer plusieurs données relatives au produit en béton lui-même ainsi que les antécédents dans le procédé de fabrication concernant le coulage du béton de manière simple, précise et fiable; ce qui permet une utilisation aisée des données, par exemple, pour la gestion de l'inventaire et de la livraison, le suivi ultérieur et la traçabilité. Dans une paroi de retenue en forme de L, tel qu'un produit en béton, un repère IC en forme de plaque mince (3) est incorporée à proximité de la face de coulage du corps en béton (1) de telle sorte qu'une partie antenne (13) sur la face d'antenne soit parallèle au corps en béton (1) sur sa face latérale (1a).
PCT/JP2007/073241 2006-12-01 2007-11-30 Structure en béton, procédé de fabrication de la structure en béton et procédé de mise en oeuvre de la structure et du procédé WO2008066177A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006-326131 2006-12-01
JP2006326132A JP5355853B2 (ja) 2006-12-01 2006-12-01 コンクリート構造物とその製造方法及びその管理方法
JP2006326131A JP5122117B2 (ja) 2006-12-01 2006-12-01 コンクリート製品とその製造方法及びその管理方法
JP2006-326132 2006-12-01

Publications (1)

Publication Number Publication Date
WO2008066177A1 true WO2008066177A1 (fr) 2008-06-05

Family

ID=39467963

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/073241 WO2008066177A1 (fr) 2006-12-01 2007-11-30 Structure en béton, procédé de fabrication de la structure en béton et procédé de mise en oeuvre de la structure et du procédé

Country Status (1)

Country Link
WO (1) WO2008066177A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014198992A (ja) * 2013-03-15 2014-10-23 太平洋セメント株式会社 鉄筋かぶりスペーサ及びこれを用いたかぶり厚検査方法並びに鉄筋かぶり厚検査システム
EP2965883A1 (fr) * 2014-07-11 2016-01-13 Bonna Sabla Procédé et installation pour la fabrication d'un élément préfabriqué en béton, avec traçabilité dudit élément préfabriqué

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000317931A (ja) * 1999-05-06 2000-11-21 Kobayashi Kirokushi Co Ltd コンクリートまたは樹脂等の固化体内部へのｒｆｉｄデータキャリア設置治具とｒｆｉｄデータキャリア設置方法
JP2004109002A (ja) * 2002-09-19 2004-04-08 Mitsubishi Materials Corp Ｒｆｉｄタグ及び該タグを備えるコンクリート試験片とその製造方法並びにコンクリート品質管理用ｒｆｉｄシステム
JP2005267227A (ja) * 2004-03-18 2005-09-29 Mitsubishi Materials Corp Ｒｆｉｄタグ及び該タグを備えるコンクリート試験片並びにコンクリート品質管理用ｒｆｉｄシステム
JP2005330729A (ja) * 2004-05-20 2005-12-02 Taisei Corp コンクリート部材
JP2006309410A (ja) * 2005-04-27 2006-11-09 Ohbayashi Corp 打設状況監視方法、打設状況監視装置、打設状況監視プログラム、および型枠
JP2006348538A (ja) * 2005-06-14 2006-12-28 Taiheiyo Cement Corp Ｒｆｉｄタグ取付治具、ｒｆｉｄタグユニットおよびｒｆｉｄタグの取付方法
JP2007050594A (ja) * 2005-08-18 2007-03-01 Kajima Corp Ｒｆｉｄタグをコンクリート表面へ埋め込むアンカー材とｒｆｉｄタグの取付方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000317931A (ja) * 1999-05-06 2000-11-21 Kobayashi Kirokushi Co Ltd コンクリートまたは樹脂等の固化体内部へのｒｆｉｄデータキャリア設置治具とｒｆｉｄデータキャリア設置方法
JP2004109002A (ja) * 2002-09-19 2004-04-08 Mitsubishi Materials Corp Ｒｆｉｄタグ及び該タグを備えるコンクリート試験片とその製造方法並びにコンクリート品質管理用ｒｆｉｄシステム
JP2005267227A (ja) * 2004-03-18 2005-09-29 Mitsubishi Materials Corp Ｒｆｉｄタグ及び該タグを備えるコンクリート試験片並びにコンクリート品質管理用ｒｆｉｄシステム
JP2005330729A (ja) * 2004-05-20 2005-12-02 Taisei Corp コンクリート部材
JP2006309410A (ja) * 2005-04-27 2006-11-09 Ohbayashi Corp 打設状況監視方法、打設状況監視装置、打設状況監視プログラム、および型枠
JP2006348538A (ja) * 2005-06-14 2006-12-28 Taiheiyo Cement Corp Ｒｆｉｄタグ取付治具、ｒｆｉｄタグユニットおよびｒｆｉｄタグの取付方法
JP2007050594A (ja) * 2005-08-18 2007-03-01 Kajima Corp Ｒｆｉｄタグをコンクリート表面へ埋め込むアンカー材とｒｆｉｄタグの取付方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014198992A (ja) * 2013-03-15 2014-10-23 太平洋セメント株式会社 鉄筋かぶりスペーサ及びこれを用いたかぶり厚検査方法並びに鉄筋かぶり厚検査システム
EP2965883A1 (fr) * 2014-07-11 2016-01-13 Bonna Sabla Procédé et installation pour la fabrication d'un élément préfabriqué en béton, avec traçabilité dudit élément préfabriqué
FR3023502A1 (fr) * 2014-07-11 2016-01-15 Bonna Sabla Procede et installation pour la fabrication d'un element prefabrique en beton, avec tracabilite dudit element prefabrique

Similar Documents

Publication Publication Date Title
JP5122117B2 (ja) コンクリート製品とその製造方法及びその管理方法
JP5355853B2 (ja) コンクリート構造物とその製造方法及びその管理方法
JP4633416B2 (ja) コンクリートの管理方法
JP6399638B2 (ja) 鉄筋かぶりスペーサを用いた鉄筋かぶり厚検査方法
JP5089968B2 (ja) コンクリート供試体の識別方法
JP5008201B2 (ja) 無線ｉｃタグ
Akinci et al. Utilizing radio frequency identification on precast concrete components- supplier's perspective.
JP2006194649A (ja) 肉厚測定データ管理方法と超音波肉厚測定装置及びプラント
Al-Obaidi et al. Innovative design concept of cooling water tanks/basins in geothermal power plants using ultra-high-performance fiber-reinforced concrete with enhanced durability
KR20100082832A (ko) 마커 및 콘크리트용 보강재를 위한 어셈블리
JP2010285748A (ja) 施工現場納入コンクリートの品質管理システム
US20120221292A1 (en) Method of assisting the placement of construction elements of a civil engineering work
JP2010249567A (ja) 鋳造管竣工図作成システム
JP2020519798A (ja) トンネル用プレキャストセグメントならびにそのようなプレキャストセグメントを作製および監視する方法
JP2008137285A (ja) 生コンクリートの管理方法および生コンクリートの管理システム
WO2008066177A1 (fr) Structure en béton, procédé de fabrication de la structure en béton et procédé de mise en oeuvre de la structure et du procédé
Al-Obaidi et al. Structural validation of geothermal water basins constructed with durability enhanced ultra high performance fiber reinforced concrete (Ultra High Durability Concrete)
JP4824427B2 (ja) 無線ｉｃタグのコンクリート埋設構造及びその埋設方法、並びにコンクリート情報管理システム
JP2008221774A (ja) コンクリート部材及びその製造方法
KR101229785B1 (ko) 시료튜브박스
JP2007033238A (ja) コンクリート品質管理・保証方法
WO2017223070A1 (fr) Système et procédé d'étiquetage et de surveillance de composites à base de ciment
JP2010231523A (ja) Ｉｃタグの読み取り／書き込み方法及びｉｃタグリーダ
JP2004294288A (ja) 被り厚の測定システム及び被り厚の測定方法
JP2010229655A (ja) コンクリート供試体の識別方法及びコンクリート試験方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07832906

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07832906

Country of ref document: EP

Kind code of ref document: A1