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  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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Significance and Use 4. It shall consist of a sponge or several sponges pre-wetted with a low electrical resistance contact solution.
The basic configuration of the electrical circuit is shown in Fig. Subscription pricing is determined by: 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.
Calomel reference electrodes have been used in laboratory studies. Classifications Corrosion Processes 2 – Oct 7 3: Please first log in with a verified email before subscribing to alerts. The basic configuration of the electrical circuit is shown in Fig. 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.
Originally approved in 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. Already Subscribed to this document.
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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. Your Alert Profile lists the documents that will be monitored. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
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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. You may delete a document from your Alert Profile at any time. Link to Active This link will always route to the current Active version of the standard.
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No further reproductions authorized. Last previous edition approved in as C— Current edition approved Nov. The basic configuration of the electrical circuit is shown in Fig. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
It is often necessary to use other data such as chloride contents, depth of carbonation, delamination survey findings, rate of corrosion results, aastm 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. 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.
Concrete surface in building interiors and desert environments lose sufficient moisture so that the concrete resistivity becomes so high that special testing techniques not axtm in this test method may be required see 5. Related Content Load related web page information. Search for related content.
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Proceed to Checkout Continue Shopping. 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.
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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Articles by Delgado Tobon, A. Concrete surfaces that are coated or treated with sealers may not provide an acceptable electrical circuit.