ASTM C876 – 09 PDF

This standard is issued under the fixed designation C ; the number immediately following the designation indicates the 1 This test method is under the jurisdiction of ASTM Committee G01 on Not for Resale, 09/10/ 06 MDT. NDTCE’09, Non-Destructive Testing in Civil Engineering. Nantes, France The ASTM standard C [3] provides general guidelines for the. normativa astm c dirigida a concretos Designation: C − 09 DOI: /C The reference electrode selected shall provide a 2.

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It was obtained a system for in situ monitoring of corrosion for reinforced concrete, that allows to estimate the corrosion probability on rebar, where the user send a text message, to start the test in the system and in return, via GPRS General Packet Radio Servicethe equipment disposes the data trend on a graphic trough a web server on an internet domain figure 1. Enviado por Roberta flag Denunciar. Concrete surface in building interiors and desert environments lose sufficient moisture so that the concrete resistivity becomes so high that special testing techniques not covered in this test method may be required see 5.

You may delete a document from your Alert Profile at any time. For concrete submerged in 009, using silver-silver chloride reference electrodes avoids chloride contamination problems that may occur with copper-copper sulfate electrodes. Concrete surface in building interiors and desert environments lose sufficient moisture so that the concrete resistivity becomes so high that special testing techniques not covered in this test method may be required see 5.

It is often necessary to use other data such as chloride contents, depth of carbonation, delamination survey findings, rate of corrosion results, and environmental exposure conditions, in addition to corrosion 009 measurements, to formulate conclusions concerning corrosion activity of embedded steel and its probable effect on the service life of a structure.

Concrete cover in excess of 3 in. C86 Journal of Electrochemistry Sciencev. Classifications Corrosion Processes 2 – Oct 7 3: Current edition approved Nov.

It is the responsibility of the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use. Calomel reference electrodes have been used in laboratory studies. The zstm was tested on a building of the University complex, where its performance was evaluated using three astmm reference electrodes, obtaining an error over the measurement, between ast standard and the system, of 6. It is the responsibility of the user of this standard to aetm appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Concrete surfaces that are coated or treated with sealers may not provide an acceptable electrical circuit. Abstract Introduction Corrosion of concrete rebar has been established as the main factor of the premature deterioration of reinforced concrete structures. Concrete surfaces that are coated or treated with sealers may not provide an accept- able electrical circuit.

The basic configuration of the electrical circuit is shown in Fig. Add to Alert PDF. Significance and Use 4.

Therefore, the present work shows the development and cc876 of a system for in situ monitoring of corrosion, for any reinforced concrete structure based on ASTM C [5] standard aetm measuring half-cell potential, with which it is possible to determine the corrosion probability of rebar in reinforced concrete structures.

It shall consist of a sponge or several sponges pre-wetted with a low electrical resistance contact solution. Need more than one copy? Concrete cover in excess of 3 in.

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The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Please first log in with a verified email before subscribing to alerts. Search for related content. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. The occurrence of such phenomena represents mostly the durability problems asstm the material, especially when the structure is subjected to the chloride ions presence in marine or high salinity enviroment and large amounts of carbon dioxide CO 2processes known as chloride penetration and carbonation respectively [1,2,3].

The values given in parentheses are mathematical conversions to SI units that ashm provided for information only and are not considered standard.

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No further reproductions authorized. If the document is revised astn amended, you will be notified by email. Corrosion of concrete rebar has been established as the main factor of the premature deterioration of reinforced concrete structures.

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Alert me to new issues of Meet. The basic configuration of the electrical circuit is shown in Fig. Potentials mea- sured by reference electrodes other than saturated copper- copper sulfate should be converted to the copper-copper sulfate 4 Hampel, C.

Experiments and Results It was obtained a system for in situ monitoring of corrosion for reinforced concrete, that allows to estimate the corrosion probability on rebar, where the user send a text message, to start the test in the system and in return, via GPRS General Packet Radio Servicethe equipment disposes the data trend on a graphic trough a web server on an internet domain figure 1. Current VolumeMA As the voice of the U. This standard is not included in any packages.

Articles by Delgado Tobon, A. We have no amendments or corrections for this standard.