WO2008066176A1 - Procédé permettant d'analyser un spécimen de béton - Google Patents

Procédé permettant d'analyser un spécimen de béton Download PDF

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Publication number
WO2008066176A1
WO2008066176A1 PCT/JP2007/073240 JP2007073240W WO2008066176A1 WO 2008066176 A1 WO2008066176 A1 WO 2008066176A1 JP 2007073240 W JP2007073240 W JP 2007073240W WO 2008066176 A1 WO2008066176 A1 WO 2008066176A1
Authority
WO
WIPO (PCT)
Prior art keywords
concrete
communication medium
contact communication
ready
specimen
Prior art date
Application number
PCT/JP2007/073240
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
Application filed by Sumitomo Osaka Cement Co., Ltd., Ubiquitous Computing Technology Corporation filed Critical Sumitomo Osaka Cement Co., Ltd.
Publication of WO2008066176A1 publication Critical patent/WO2008066176A1/fr

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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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0094—Moulds for concrete test samples
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/383—Concrete or cement

Definitions

  • the present invention relates to a method for identifying a concrete specimen.
  • This concrete specimen is usually made in a ready-mixed concrete factory or a construction site where it is delivered. If the number of concrete specimens to be produced is large due to various types of ready-mixed concrete or a large number of production lots, human error occurs when identifying concrete specimens. It may be easier and may lack accuracy in quality control.
  • human error occurs when identifying concrete specimens. It may be easier and may lack accuracy in quality control.
  • tags, paint, and writing tools to them.
  • the recognition information such as the identification number and history of the concrete specimen to be inspected is transferred to another concrete that is not the inspection object. It is considered that it is possible to inspect a concrete specimen that is given to the specimen and is not subject to inspection, assuming that it is a concrete specimen to be inspected.
  • Patent Document 1 a method of identifying a concrete specimen using a wireless tag that is a non-contact communication medium.
  • a radio tag having a size of a pebbles in which data related to a predetermined concrete is written is prepared in advance, and the radio tag is accommodated in the concrete when molding concrete. Then, when identifying the concrete, the concrete is identified by reading the data of the wireless tag stored in the concrete with a non-contact wireless tag reader.
  • the above-mentioned wireless tag is inserted when ready-mixed concrete is poured halfway into the specimen formwork. And when the remaining ready-mixed concrete is poured afterwards, it will be completely embedded in the ready-mixed concrete. Further, by hardening and demolding the ready-mixed concrete, a concrete specimen in which a wireless tag is embedded can be obtained.
  • the wireless tag which is a non-contact communication medium, is simply thrown into the ready-mixed concrete. Therefore, the position of the wireless tag and the direction in which the antenna points are not constant, and it takes time to find the position of the wireless tag when reading information using the wireless tag reader. there were. Also, since the wireless tag is simply installed inside the concrete specimen, the distance from the outer peripheral surface of the concrete specimen to the wireless tag becomes longer, and therefore the sensitivity when reading information is reduced and the reliability is poor. There was a problem.
  • the wireless tag is damaged when pouring, due to the impact of aggregate contained in ready-mixed concrete or the impact of pouring the poured concrete with a stick. A case was considered. In other words, the identification method using a wireless tag has a problem that its reliability may be lowered.
  • the size and shape of the wireless tag is about a pebbles. Different Young's modulus and strength from the wireless tag can be a factor in reducing the strength of concrete. Therefore, a concrete specimen with a structure that accommodates a wireless tag inside concrete may not be able to obtain the same test result as a concrete specimen that does not contain a wireless tag when a strength test is performed. was there.
  • the present invention has been made to solve the above-described problem, and can easily, accurately and reliably perform identification work without risk of human error in identification.
  • the objective is to provide a concrete specimen identification method that can improve the efficiency of recognition work.
  • Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-197312 Disclosure of Invention
  • the present inventors have used a thin plate-like non-contact type communication medium instead of a conventional pebble-like non-contact type communication medium. Furthermore, when the ready-mixed concrete is placed in the formwork, the position of the non-contacted communication medium is kept constant by embedding the thin plate-like non-contact communication medium from the cast-in surface of the ready-mixed concrete. Therefore, it has been found that the identification work can be performed simply, accurately and reliably, and contributes to the efficiency of the recognition work, and the present invention has been completed.
  • ready-mixed concrete is placed in a formwork, and then a non-contact communication medium in the form of a thin plate is formed from the ready-made face of the ready-mixed concrete. Then, the ready concrete is cured and demolded into a concrete specimen, and then the information recorded in the noncontact communication medium of the concrete specimen is read using a noncontact communication medium reader. It is characterized by having a step of reading in a non-contact manner and identifying the concrete specimen based on the read information.
  • the distance between the antenna portion of the non-contact communication medium and the surface (measurement surface) of the concrete specimen is preferably within 3 cm. That's right.
  • the distance between the antenna part of the non-contact communication medium and the surface of the concrete specimen is within 3 cm, the sensitivity of the antenna when reading information becomes higher and the reliability is improved.
  • the position of one end of the non-contact communication medium substantially coincides with the placement surface of the ready-mixed concrete.
  • the position of the non-contact communication medium in the ready-mixed concrete can be set constant by making the position of the one end portion of the non-contact communication medium substantially coincide with the placement surface of the ready-mixed concrete. This makes it extremely easy to specify the position of the non-contact communication medium when reading the non-contact communication medium force information.
  • the position of the one end refers to at least one surface and / or side of the non-contact communication medium and substantially coincides with the surface and / or side of the non-contact communication medium. It means that it is close to or very close to it, that it exists in the position! /, That it is, that it is exposed! /, That it is exposed.
  • the non-contact communication medium preferably has a length of 120 mm or less and a width of 30 mm or less! /.
  • the non-contact communication medium is preferable because it does not affect the strength test result of the concrete specimen. Also, when embedding a non-contact communication medium, the opportunity to contact the aggregate in the ready-mixed concrete is reduced, and the embedding work is simplified.
  • the non-contact communication medium includes an integrated circuit and an antenna unit capable of writing / reading information on a substrate made of a flexible organic polymer. It is preferable that it is provided.
  • the shape of the non-contact communication medium is not affected by deformation of the ready-mixed concrete even when the ready-mixed concrete is cured. It can follow and eliminates the possibility of cracks or voids between ready-mixed concrete and non-contact communication media.
  • the writing / reading can be selected according to need, either writing and / or reading.
  • the integrated circuit and the antenna section are preferably covered with a film made of an organic polymer.
  • the integrated circuit and the antenna part are protected by the organic polymer even when the ready-mixed concrete is cured. Damage is less likely to occur.
  • the information recorded in the non-contact communication medium is preferably identification information of the ready-mixed concrete.
  • the information recorded on the non-contact communication medium as the identification information of the ready-mixed concrete
  • the information is read in a non-contact manner using a non-contact communication medium reader, and the concrete specimen It is possible to easily know the composition, characteristics, history, etc. of the ready-mixed concrete used in the process.
  • the non-contact communication medium reading device performs both reading of information from the non-contact communication medium and writing of information of the non-contact communication medium.
  • a portable non-contact communication medium reading / writing device is also preferable.
  • the portable non-contact communication medium reading / writing device that performs both reading of information from the non-contact communication medium and writing of information of the non-contact communication medium. By doing so, it becomes possible to know the composition, characteristics, history, etc. of the ready-mixed concrete used in the concrete specimen in real time on the spot.
  • a non-contact communication medium in the form of a thin plate is embedded in the ready-mixed concrete from the surface where the ready-mixed concrete is placed.
  • the position can be made substantially constant from the placement surface.
  • the position of the non-contact communication medium is specified when reading information from the non-contact communication medium. It becomes easy to do.
  • the non-contact communication medium is located near the placement surface of the concrete specimen, the sensitivity of the antenna when reading information is increased and the reliability is improved. That is, information reading and identification can be performed accurately, reliably and stably, and the reliability of information reading and identification can be improved.
  • the non-contact communication medium can be damaged by the impact applied by the aggregate contained in the ready-mixed concrete. There is no risk of lowering reliability.
  • the non-contact communication medium can be embedded manually without requiring a special jig or the like.
  • the non-contact communication medium since the non-contact communication medium is embedded in the ready-mixed concrete after placing the ready-mixed concrete, the non-contact communication medium impacts with the aggregates when the ready-mixed concrete is poured, or the cast concrete is struck with a stick. Damage can be prevented, and the reliability of identification can be improved.
  • FIG. 1 is a perspective view showing an IC tag used in a method for identifying a concrete specimen according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the tag of FIG. 1 along the AA spring.
  • FIG. 3 is a cross-sectional view showing a method for identifying a concrete specimen according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing a concrete specimen of one embodiment of the present invention.
  • FIG. 5 is a schematic view showing an apparatus provided with a sensor according to an embodiment of the present invention.
  • FIG. 6 is a schematic view showing an apparatus provided with a sensor according to an embodiment of the present invention.
  • the method for identifying a concrete specimen includes placing a ready-mixed concrete in a formwork, and then placing a thin plate-like non-contact communication medium from the ready-mixed surface of the ready-mixed concrete. Then, the ready-mixed concrete is hardened and demolded into a concrete specimen, and then the information recorded in the non-contact communication medium of the concrete specimen is read using a non-contact communication medium reader. This is a method of non-contact reading and identifying the concrete specimen based on the read information.
  • a thin-plate IC tag (non-contact communication medium) is prepared.
  • FIG. 1 is a perspective view showing an IC tag (non-contact communication medium) used in the method for identifying a concrete specimen according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view taken along line AA in FIG. is there.
  • IC tag non-contact communication medium
  • FIG. 2 is a cross-sectional view taken along line AA in FIG. is there.
  • the IC tag 1 has a thin plate shape, and has a substrate 2 made of a flexible organic polymer, an IC (integrated circuit) 3 capable of writing / reading information, and an IC 3 around the IC 3.
  • An oblong and spiral antenna section 4 is provided so as to surround the antenna.
  • the substrate 2, IC3, and antenna unit 4 are entirely covered with a film 5 made of an organic polymer such as a laminate film.
  • the IC tag 1 may be either an active type or a passive type as long as it is a thin plate. Force The passive type is used from the viewpoint that it is easy to make it a predetermined thin plate shape, and that the IC tag is discarded after a strength test. preferable.
  • the substrate 2 is not particularly limited as long as it has a function as a support that supports the IC 3 and the antenna unit 4.
  • An organic polymer film is preferable in that it has moderate flexibility but has moderate flexibility and is easy to handle.
  • 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
  • PET polyethylene
  • PET polyethylene
  • PP polypropylene
  • PS polystyrene
  • PC polycarbonate
  • PET Polyethylene terephthalate
  • the shape of the substrate 2 may be set in accordance with the shapes of the IC 3 and the antenna unit 4 and is not particularly limited. For example, square, rectangle, circle, ellipse, trapezoid, rhombus, etc. as required Preferred form can be selected. However, the rectangular shape is preferable because it is easy to handle when embedded in ready-mixed concrete.
  • the IC3 is not particularly limited as long as it can write / read the identification information on the concrete specimen. In order to prevent falsification of identification information, etc., it is preferable to use an IC that cannot erase or overwrite already written identification information and can write only the additional part of identification information.
  • the identification information on the concrete specimen is not limited at times, but examples include the following items.
  • Date of preparation of concrete specimens name of factory that produced ready-mixed concrete, production lot number, etc.
  • Quality of ready-mixed concrete slump, air content, chloride ion content, kneading temperature, etc.
  • Raw material of ready-mixed concrete aggregate production area, type, density, etc.
  • ready-mixed concrete composition material type, mixing ratio
  • ready-mixed concrete supplier delivery time, unloading time, (6 ) Compressive strength (test date, test data, etc.), (7) Other items determined by specifications, etc.
  • the antenna unit 4 is not particularly limited as long as the object of the present invention can be achieved.
  • a metal thin film or metal foil etched into an ellipse with a predetermined size and a spiral shape can be used.
  • the film 5 covers the entire substrate 2, IC3 and antenna part 4 and is protected from the external environment.
  • a film having good adhesion with concrete is preferable because it does not affect the strength test of the specimen.
  • 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 terephthalate
  • the laminate structure of the laminate structure may be a laminate of films of different materials, or may be a laminate of different materials with the same material.
  • the IC tag 1 has a length of 120 mm or less and a width of 30 mm or less, more preferably 80 mm or less, a width of 27 mm or less, and more preferably a length of 60 mm or less and a width of 25 m. m or less.
  • the lower limit is not specified here, but generally there is much demand for small items.
  • the size of the IC tag 1 is within the above range, the strength test result of the concrete specimen will not be affected. In addition, when the IC tag 1 is inserted, there is less chance of contact with the aggregate in the ready-mixed concrete, and the embedding work is simplified.
  • the size of the IC tag 1 is the size excluding the film 5 when the film 5 is not covered, and the size of the concrete specimen including the film 5 when the film 5 is covered. This is the size of the part embedded inside.
  • the IC tag 1 is not deteriorated due to moisture and alkali contained in the concrete to be placed, and moisture entering the concrete from the outside during water curing after demolding. It is preferable to use it. It is preferable to perform waterproofing and alkaliproofing treatments, for example, the whole is preferably covered with a film 5 made of an organic polymer such as a laminate film.
  • the integrated substrate 2, IC 3, and antenna unit 4 may be stored in a sealed container such as a plastic bag or ceramic.
  • the substrate 2, IC 3 and antenna section 4 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.
  • FIG. 3 a concrete specimen form 11 in which the bottomed cylinder is halved along the axis (actually cylindrical.
  • the halved shape is used for explanation.
  • the ready-mixed concrete 12 is cast into the ready-mixed concrete 12, and then the IC tag 1 is embedded in the ready-mixed concrete 12 from the cast surface 12 a of the ready-mixed concrete 12.
  • the shape and size of the concrete specimen are not particularly limited and may be selected as necessary. Specific examples include shapes such as a cylinder, a semi-cylinder, and a quadrangular column.
  • the IC tag 1 is embedded in the ready-mixed concrete 12 with the antenna part 4 of the IC tag 1 parallel to the inner surface 11a of the opposite form 11 or inclined with respect to the inner surface 11a.
  • the antenna surface of the antenna part 4 of the IC tag 1 is parallel to the inner surface 1 la of the mold 11! / ,. Also, when the antenna surface of the antenna part 4 of the IC tag 1 is embedded in an inclined state with respect to the inner surface 11a, the sensitivity and stability at the time of writing / reading of the IC tag 1 are taken into consideration.
  • the antenna surface of the antenna part 4 is preferably within 45 ° with respect to the inner surface 11a, more preferably within 30 °.
  • the entire antenna surface of the antenna part 4 of the IC tag 1 is located in a region within 3 cm from the inner surface 11a of the mold 11, more preferably in a region within lcm. It is. In other words, it is preferable that the entire antenna surface of the antenna portion 4 of the IC tag 1 is located within a region within 3 cm, preferably within a region within 1 cm from the side surface of the concrete specimen.
  • the lower limit of the distance is preferably 0 or more, and can be selected as necessary as long as it does not easily peel off or fall off.
  • the number of the non-contact communication media is preferably one, but may be one or more, such as two in some cases.
  • the antenna surface of the IC tag 1 is three-dimensional with respect to the inner surface 11a of the mold 11. Regardless of which direction it is tilted, the sensitivity and stability at the time of writing / reading the identification information are improved.
  • the embedded depth of the IC tag 1 from the placement surface may be a depth that is fixed to the concrete specimen when the ready-mixed concrete 12 placed on the mold 11 is cured.
  • the top surface of the concrete specimen is either caved or polished (eg, Japanese Industrial Standards JIS A 1132 “How to make a concrete specimen for strength testing”). Les, preferred to embed to a degree of depth.
  • the upper end of the IC tag 1 or the upper end of the antenna unit 4 is It is preferable to embed the raw concrete 12 to a depth of about 0 mm to 50 mm, more preferably about 5 mm to 20 mm, more preferably about 10 mm;
  • This IC tag 1 is used to facilitate embedding in the placing surface 12a of ready-mixed concrete 12.
  • the IC tag 1 can be easily reached to a predetermined depth without variations among concrete specimens. Can be embedded.
  • the end portion of the substrate 2 protruding from the placement surface 12a may be subjected to post-cutting caving, which is preferably cut easily if necessary after the ready-mixed concrete 12 is cured.
  • the IC tag 1 When the IC tag 1 is used while being wrapped, when the IC tag 1 is embedded from the placement surface 12a to a predetermined depth, only a part of the wrapping protrudes from the placement surface 12a. Certain parts of the rubbing can be lengthened. Again, if a mark indicating the position to be embedded is added to the long wrapping part according to the embedding depth, the IC tag can easily reach the specified depth without variations in the depth of each concrete specimen. Embed 1 with power S.
  • the wrapping portion protruding from the placing surface 12a may be subjected to post-cutting caving which is preferably cut easily if necessary after the ready-mixed concrete 12 has hardened. Further, a cut may be provided so as to facilitate cutting.
  • the IC tag 1 may be pre-written with identification information related to predetermined ready-mixed concrete before placing. Also, after the IC tag 1 is embedded in ready-mixed concrete 12 The identification information regarding the link may be written. In addition, a predetermined ID may be written in the IC tag 1 in advance, or a predetermined ID may be written after the IC tag 1 is embedded in the ready-mixed concrete 12.
  • the ready-mixed concrete 12 is hardened and demolded, and then subjected to underwater curing at a specified temperature for a specified time to obtain a concrete specimen.
  • the temperature and time may be set as necessary.
  • the antenna surface force of the antenna portion 4 of the IC tag 1 is made substantially parallel to the outer peripheral surface 13a of the concrete body 13. Therefore, when writing / reading identification information The sensitivity and stability are improved.
  • a non-contact communication medium writing / reading device it is read in a non-contact manner, and the concrete specimen is identified based on the read information.
  • 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 work site without moving heavy concrete specimens.
  • a method other than using a portable IC tag reader / writer may be selected as necessary.
  • a method may be used in which a concrete specimen is brought close to a device in which a sensor is installed.
  • the condition of the surface on which the sensor is installed can be selected as necessary, and it may be a flat surface or a curved surface, or may be a vertical, inclined surface or horizontal surface.
  • the installation conditions such as the position of the sensor can be selected as necessary, and the number of sensors can be selected as needed, such as one or more.
  • a concrete specimen is identified by reading the information of IC tag 1 by preparing and using a device in which a plurality of sensors that read the information of IC tag 1 are installed on a plate-shaped table.
  • the specimen can be easily identified by simply rolling the concrete specimen on it.
  • the information of the IC tag 1 can be easily read without specially searching for the location of the IC tag 1.
  • a scraping device 14 can be prepared and used.
  • the device 14 is provided with a protective sheet 15, a sensor part 16, a monitor unit 17, and a guide 18.
  • the width of the sensor part 16 is preferably a width that facilitates reading, for example, the same width as the specimen.
  • the width of the part where the specimen is rolled is preferably 200 mm or more, and the length is preferably 320 mm or more. If the position of the IC tag is clear to some extent, the width of the sensor unit 16 can be set as needed, and may be set to 100 mm, for example.
  • a sensor for reading or writing information on the IC tag 1 can be used by changing the shape of a plurality of plate-like members. For example, as shown in FIG. 6, a member 16A in which a plate having a plurality of sensors is formed in a ring shape, a member 16B in a square shape, or a member 16C in a cap shape is prepared and used, so By simply passing or placing these items on top of the test specimen, the information on IC tag 1 can be easily read or written without specially searching for the location of IC tag 1.
  • the concrete specimen of a predetermined age may be identified after the strength test.
  • the IC tag reader / writer is a portable IC tag reader / writer
  • the information on each specimen is directly read from the IC tag, so that it is necessary immediately without exchanging information with the server. Can grasp the information.
  • This management method 2 can achieve the same effects as the management method 1 described above.
  • the IC tag was a rectangular passive IC tag with a total length of 3.2 cm, a width of 1.5 cm, and a thickness of 0.3 mm.
  • This IC tag was laminated from both sides with a polyester film.
  • the shape after lamination is
  • the IC tag in which the above data was immediately written on the two concretes was inserted into the ready-mixed concrete from the placement surface by a human hand so as to be vertical. At this time, it was embedded so that the antenna part of the IC tag was parallel to the length direction of the specimen, that is, to the vertical surface (side face) of the specimen.
  • IC tag embedding positions There are two types of IC tag embedding positions: lcm and 3cm from the inner surface of the mold (the side of the concrete specimen). In other words, a specimen with two types of IC tags embedded was prepared. In both cases, the IC tag was embedded so that the upper end of the tag was 0.5 cm deep from the placement surface. No IC tag was embedded in the remaining concrete.
  • the IC tag information read by the IC tag reader / writer and the results of the compressive strength test were stored on the server and compared. As a result, no significant difference was observed in the compressive strength of the three specimens, and it was found that embedding an IC tag did not affect the compressive strength test.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

Cette invention concerne un procédé permettant d'analyser un spécimen de béton, lequel procédé se caractérise par le coulage de béton prêt à l'emploi dans un moule, l'enfouissement d'un support de communication sans contact de type plaque mince dans le béton prêt à l'emploi à travers la surface du béton prêt à l'emploi coulé, le durcissement du béton prêt à l'emploi coulé, le démoulage du béton durci afin de préparer un échantillon de béton, à lire les informations enregistrées sur le support de communication sans contact enfoui dans l'échantillon de béton sans contact avec un dispositif de lecture de support de communication sans contact, et à analyser l'échantillon de béton sur la base des informations lues.
PCT/JP2007/073240 2006-12-01 2007-11-30 Procédé permettant d'analyser un spécimen de béton WO2008066176A1 (fr)

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JP2006-326130 2006-12-01
JP2006326130A JP5089968B2 (ja) 2006-12-01 2006-12-01 コンクリート供試体の識別方法

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JP2010231523A (ja) * 2009-03-27 2010-10-14 Sumitomo Osaka Cement Co Ltd Ｉｃタグの読み取り／書き込み方法及びｉｃタグリーダ
JP2011186839A (ja) * 2010-03-09 2011-09-22 Taiheiyo Cement Corp 埋設用ｉｃタグ及び埋設用ｉｃタグシグナルの検出方法
ITAN20100098A1 (it) * 2010-06-18 2011-12-19 Progetto Costruzione Qualita Pcq Srl Sistema di prevenzione delle frodi in fase di prelievo dei provini di calcestruzzo nei cantieri edili
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
CN105544921A (zh) * 2016-01-06 2016-05-04 佛山欧神诺陶瓷股份有限公司 一种陶瓷信息识别的制作方法及陶瓷砖

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Publication number Priority date Publication date Assignee Title
JP2010229655A (ja) * 2009-03-26 2010-10-14 Sumitomo Osaka Cement Co Ltd 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
FI123142B (fi) * 2011-08-26 2012-11-30 Elematic Oy Ab Menetelmä ja laitteisto tunnisteen kiinnittämiseksi liukuvalettuun esivalmistettuun betonituotteeseen
JP5613933B1 (ja) * 2014-03-13 2014-10-29 株式会社Ｄｉｙ Ｓｔｙｌｅ 軽量コンクリートを用いたアンティーク煉瓦の複製品の製造方法

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