ASTM C289 PDF
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. C Standard Test Method for Potential Alkali-Silica Reactivity of Aggregates (Chemical Method) ASTM C Standard Format, Pages, Price. PDF. Problems With ASTM C ▫ Does not predict the late-slow silicate reactivity in concrete that may result with aggregates containing strained or micro-.
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ASTM C – 07 Standard Test Method for Potential Alkali-Silica Reactivity of Aggregates (Chemical Method) - Download as PDF File .pdf), Text File .txt) or. ASTM C [ Withdrawn ]. Standard Test Method for standard by ASTM International, 11/01/ PDF;; Immediate download; $; Add to Cart. ASTM and Accelerated Laboratory Tests for ASR. [ASTM] C has been performed for decades and has always shown the aggregate to.
If the transmittance 9. C — 07 FIG.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised. C — 07 Rc values indicate the potential reactivity is marginal. Vol Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phone.
Reclamation for Identifying Reactive Concrete Aggregates. Your comments will receive careful consideration at a meeting of the responsible technical committee.
PO Box C Reactivity of Aggregates with Cement Alkalies: Chemical Processes in 6 Mielenz. Concrete Inst.
If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards. Approved November 1. Users of this standard are expressly advised that determination of the validity of any such patent rights.
Highway Research Board. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. C — PA United States. The results of this test do not predict the nations of the aggregate in accordance with Guide C West Conshohocken. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.
Flag for inappropriate content. Related titles. Agrigates From natural sources of concrete BS BS Concrete Testing water absorbtion.
WI Determination of free lime by complexometry meyhod. Jump to Page. Search inside document. C — 07 Standard Test Method for Potential Alkali-Silica Reactivity of Aggregates Chemical Method 1 This standard is issued under the fixed designation C; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
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Andrew Pi. Popular in Sulfuric Acid. Ignacio Tobaruela Delgado. Mineralogical parameters to quantify the different degrees of deformation of the quartz grains are suggested. These parameters will be used to establish correlations between different degrees of quartz deformation and the susceptibility of rocks to developing ASR.
Different methodologies will be used, among which is the visible spectrophotometer test, where the dissolution rate of the silica in alkaline solution is evaluated, based on the degree of deformation of the quartz.
This methodology has not yet been recorded in the literature for evaluating the dissolution of silica in reactive aggregates. The results obtained in this study were compared with the behavior of rocks in the field and this enabled it to be verified that quartz grains featuring deformation bands are more soluble.
Materials and Methods 2. This rock was used as coarse aggregate in concrete of the Furnas Hydroelectric Power Plant Brazil , which was affected by ASR in , 13 years after the plant was built [ 15 ]. A mylonite from the Metropolitan Area of Recife was also assessed. This aggregate exhibited deleterious processes caused by ASR in building foundations [ 16 ]. Moreover, a rock with deformed quartz grains previously categorized with an innocuous field behavior was used as a reference material granite, from Metropolitan Area of Recife [ 17 ].
Also, three rocks from the Monte Bonito MB outcrop [ 18 ] were selected. These rocks contain quartz grains with different degrees of deformation: MB granite, MB protomylonite and MB orthomylonite.
Visual inspection was used for the selection. In the Section 2. Table 2 shows the petrographic characteristics of the reactive quartzite, reactive mylonite and innocuous granite.
Free Astm C289 Pdf
Table 1 Petrographic characteristics of the samples featuring different degrees of deformation from petrography analysis. Concrete Degradation by Alkali-Silica Reaction. Each of these ASTM C Paul, MN, May 26, Process Gas Chromatograph. PGC Laboratory Equipment pdf manual download. Particulates - Wikipedia ; Sources of atmospheric particulate matter.
Testing aggregates for alkali-reactivity
Some particulates occur naturally, originating from volcanoes, dust storms, forest and grassland fires, living vegetation and sea spray.C — The fracture Fig.
If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards. Expanded clay is produced by MgO Class A. Continue the filtration until further filtration yields filtrate at the approximate rate of NOTE 6—The mass of the empty crucible may be determined if one 1 drop every 10 s.
Human activities, such as the burning of fossil fuels in vehicles, stubble burning, power plants, wet cooling towers in cooling systems and various industrial processes, also generate significant amounts of particulates. Unless otherwise indicated, all reagents shall by a change in the alkalinity of the sodium hydroxide solution conform to Reagent Chemicals, American Chemical Society NOTE 1All dimensions are in mm.
Step 4: the specifier must choose the exposure classes. Anonymous IQnpn1sj.
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