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 āˆ’ 09 DOI: /C The reference electrode selected shall provide a 2.

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Current VolumeMA Search for related content. The values given sstm parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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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. We have no amendments or corrections for this standard.

Corrosion of concrete rebar has been established as the main factor of the premature deterioration of reinforced concrete structures. Last previous edition approved in as Cā€” The occurrence of such phenomena represents mostly the durability problems of 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 basic configuration of the electrical circuit is shown in Fig. As the voice of the U. 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 potential measurements, to formulate conclusions concerning corrosion activity of embedded steel and its probable effect on the service life of a structure.

The basic configuration of the electrical circuit is shown in Fig. Standards Subsctiption may be the perfect solution.

Alert me to new issues of Meet. Link to Active This link will always route to the current Active version of the standard. 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.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Add to Alert PDF. A number in parentheses indicates the year of last reapproval. 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.

You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Concrete cover in excess of 3 in.

Concrete surfaces that are coated or treated with sealers — not provide an acceptable electrical circuit. Given the importance of preserving civil structures, is evident the strong necessity of obtaining a system with great flexibility to perform the estimation in situ of the corrosive state, capable to dispose the information for immediate consultation anywhere with minimum internet access.

350388298 ASTM C876 15 Corrosion Potentials of Uncoated Reinforcing Steel in Concrete

Services Email this article to a colleague Alert me when this article is cited Alert me if a correction is posted Article Usage Statistics Similar articles in this journal Similar articles in Web of Science Download to citation manager Permission requests. 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.

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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. Already Subscribed to this document. International Journal of Electrochemistry Sciencev. International Journal of Electrochemical Science. For concrete submerged in seawater, using silver-silver chloride reference electrodes avoids chloride contamination problems that may occur with copper-copper sulfate electrodes.

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Subscription pricing is determined by: 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.

Originally approved in 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. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

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Concrete surfaces that are coated or treated with sealers may not provide an accept- able electrical circuit. Need more than one copy? Enviado por Roberta flag Denunciar. Articles by Delgado Tobon, A. You may delete a document from your Alert Profile at any time. Please first log in with a verified email before subscribing to alerts.

Proceed to Checkout Continue Shopping. Concrete cover in excess of 3 in. Current edition approved Nov. The sponge may be folded around and attached to the tip of the reference electrode so that it provides electrical continuity between the porous plug and the concrete member.

Astm c free download

It shall consist of a sponge or several sponges pre-wetted with a low electrical resistance contact solution. The system was tested on a building of the University complex, where its performance was evaluated using three different reference electrodes, obtaining an error over the measurement, between the standard and the system, of 6.

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

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