This standard is issued under the fixed designation C ; the number immediately 1 This test method is under the jurisdiction of ASTM Committee C09 on. ASTM Ca(). Standard Test Method for Determining the Apparent Chloride Diffusion Coefficient of Cementitious Mixtures by Bulk. Download Table | ASTM C Chloride Bulk Diffusion Test Results from publication: Decreasing the Clinker Component in Cementing Materials: Performance.

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ASTM C1556: “Apparent Chloride Diffusion Coefficient of Cementitious Mixtures”

Instructions The sample specimens may be cores, cylinders, or cubes. Link to Active This link will always route to the current Active version of the standard. Privacy Policy Sensors Sitemap.

Historical Version s – view previous versions of standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

If you need more info or have any questions, please note the Lab ID number and contact us at:. Order Form 2 Email c156 form to contact listed below.


No other units of measurement are included in this standard. The concentration and valence of other ionic species in the pore fluid also influence the rate of chloride diffusion, and therefore, the apparent diffusion coefficient as determined by this test procedure.

Client must specify the exposure age, water cementitious ratio and if a pozzolan or slag has been used as it is required to modify the depth intervals as specified in ASTM C’s Recommended Depth Interval Table. The apparent diffusion coefficient determined by this method includes bound chloride, so proper use of the apparent chloride diffusion coefficient to predict chloride ingress requires consideration of chloride binding. The rate of change of the apparent diffusion coefficient for cementitious mixtures containing pozzolans or blast-furnace slag is typically different than that for mixtures containing only portland cement.

Results Produced The apparent chloride diffusion coefficient.

ASTM C Apparent Chloride Diffusion Coefficient | CTLGroup

Print and complete the following order form. Therefore, apparent diffusion coefficients astk at early ages may not be representative of performance in service.

Use The apparent chloride diffusion coefficient is used to estimate chloride penetration into cementitious mixtures that are in a saturated condition. 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 calculation procedure described in C is only applicable to specimens exposed to a sodium chloride solution as described in C, not to c1556 exposed to chloride ions during cyclic wetting and drying. The diffusion of ionic species in concrete occurs within the fluid-filled pores, cracks and void spaces.

This calculation procedure is not applicable to specimens exposed to chloride ions during cyclic wetting and drying. ASTM C states that each sample consists of at least two 2 specimens. If you need more info or have any questions, please note the Lab ID number and contact us at: Time for Results Please contact a CTLGroup chemical services representative or Project Manager to discuss your individual project needs and testing response times.