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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Originally approved in 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.

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].

Standards Subsctiption may be the perfect solution. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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 potential measurements, to formulate conclusions concerning corrosion activity of embedded steel and its probable effect on the service life of a structure.

Subscription pricing is determined by: 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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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 asgm be required see 5. Last previous edition approved in as Cā€” It is the responsibility of the user of this standard to establish appropriate safety ast health practices and determine the applicability of regulatory limitations prior to use.

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As the voice of the U. A number in parentheses indicates the year of last reapproval. 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.

The basic configuration of the electrical circuit is shown in Fig. The basic configuration of the electrical circuit is shown in Fig. Experiments and Asstm It was obtained a system for in situ monitoring of corrosion for v876 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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Therefore, the present work shows the development and implementation of a system for in situ monitoring of corrosion, for any reinforced concrete structure based on ASTM C [5] standard for measuring half-cell potential, with which it is possible to determine the corrosion probability of rebar in reinforced concrete structures. Search for related content. 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, asym the standard and the system, x876 6.

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

Add to Alert PDF. 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.

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Current edition approved Nov. Classifications Corrosion Processes 2 – Oct 7 3: Alert me to new issues of Meet. International Journal of Electrochemical Science. This standard is not included in any packages. Concrete surfaces that are coated or treated with sealers may not c786 an accept- able electrical circuit. Enviado por Roberta flag Denunciar.

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This standard is also available to be included in Standards Subscriptions. Calomel reference electrodes have been used in laboratory studies. If the document is revised or amended, you will be notified by email. Concrete cover in excess of 3 in. Concrete surfaces that are coated or treated with sealers may not provide an acceptable electrical circuit. Corrosion of concrete rebar has been established as the main factor of the premature deterioration of reinforced concrete structures.

Current VolumeMA The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Proceed to Checkout Continue Shopping. 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 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.

Concrete cover in excess of 3 in. Articles by Delgado Tobon, A.

Need more than one copy? Concrete surfaces that are coated or treated with sealers may not provide an acceptable electrical circuit.

The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Potentials mea- sured by reference electrodes other than saturated copper- copper sulfate should be converted to the copper-copper sulfate 4 Hampel, C.