Potential alkali reactivity of aggregates mortarbar method basic equipment set. For annual book of astm standards volume information, refer to the standards document summary page on the astm website. A comprehensive list of citations to this standard are listed here. Potential alkali reactivity of aggregates mortarbar method. Alkalicarbonate reactive avoid reactive components or do not use alkalisilica reactive take preventive measures or do not use nonreactive accept for use no precautionary measures necessary no asr acr no concrete prism test, astm c 1293 is. Appendix c modified astm c 1260 test method to evaluate. It is based on the nbri accelerated test method 14. Astm c140 standard test methods for sampling and testing. It turns up after the test was performed and completed 9 months had passed that this was for a bridge, and as such the testing should have been in accordance with aashto t303. Concrete technology evaluation of alkali silica reactivity.
Note 1the material described in this specification may be used for blending with. The relaxation losses of normal stressrelieved and lowrelaxation stressrelieved wires should not exceed the. Pdf accelerated laboratory testing for alkalisilica reaction. Chapter 11 investigation of mitigation alternatives using astm c 1260. Aarp health insurance plans pdf download medicare replacement pdf download aarp medicarerx plans united healthcare pdf download. It has been suggested that in order to provide more conservative results, the ambt tests should be evaluated at 28 days rather than 14 days all other conditions of the test are kept the same. Astm c311 c311m 18 standard test methods for sampling and. For referenced astm standards, visit the astm website. This document is available in either paper or pdf format. Evaluation of alkali silica reactivity asr mortar bar testing astm c1260 and c1567 at 14 days and 28 days alkali silica reaction asr is a chemical reaction between.
Table 3 comparison of astm c 1260, astm c 1293, and field conditions. Astm c1260 07 standard test method for potential alkali reactivity of aggregates mortarbar method active standard astm c1260 developed by subcommittee. Report on determining the reactivity of concrete aggregates. Portland cement with enough water for the required strength and sand for proper consistency. A number in parentheses indicates the year of last reapproval. Standard test method for sieve analysis of fine and coarse. Both standard ambt tests, astm c1260 and astm c1567, use a 14day exposure in an aggressive solution temperature regime. Is549 evaluation of alkali silica reactivity asr mortar bar testing. Aarp health insurance plans pdf download medicare replacement pdf download aarp.
Measuring device must read between 30 to 120 degrees. Alkalisilica reaction in portland cement concrete the university. Astm international standard references for astm c1260 14. This specification covers slag cement for use as a cementitious material in concrete and mortar. Referenced documents purchase separately the documents listed below are referenced within the subject standard but are not provided as part of the standard astm standards. Standard test method for flat particles, elongated particles, or flat and elongated particles in coarse aggregate1 this standard is issued under the. Asr mortar bar testing astm c1260 and c1567 mafiadoc. Astm c1280a standard specification for application of exterior gypsum panel products for use as sheathing. Astm c1260 concrete engineering general discussion engtips. Jun 18, 2019 astm c1260 pdf jun 18, 2019 admin software this standard is issued under the fixed designation c.
A summary of cbanges section appears at the end of this standard. Astmc1260 standard test method for potential alkali. Astm c22710 standard test method for potential alkali reactivity of cementaggregate combinations mortarbar method 1. 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. Paving materials and is the direct responsibility of subcommittee d04. Standard test method for sieve analysis of fine and coarse aggregates. Standard specification for application of portland cement. I have a client who requested astm c1260 asr through mortar bar expansion from a testing agency. Determining alkalisilica reactivity of aggregates using a. Not vary by more than 1 degree fahrenheit when verified against a reference thermometer. Type of reaction is the expansion due to acr or asr. Astm c1260 standard test method for potential alkali. Standard specification for application of portland cementbased plaster1 this standard is issued under the fixed designation c926.
For all the sands there is good agreement between the diagnoses of the astm c1260 and the other test methods, except astm c227, only when a portland cement with a blaine surface area of 500m2kg. C109c109m test method for compressive strength of hydraulic cement mortars using 2in. Active standard astm c1260 developed by subcommittee. These plots again illustrate that the initial permeability of the. We are using 2 astm c1260 concrete engineering general discussion engtips. Method a is a reflection of the original procedure as developed prior to superpave and is intended for all nonsuperpave applications. C125 terminology relating to concrete and concrete aggregates. I have been running c1260s on some aggregates known to be innocuous and have been getting results higher than typically seen for this aggregate. This test result had the block at 3740 psi compressive strength when the minimum is only 2000 psi. Deformed wires with nominal diameters shall be supplied in coils and shall conform to specified values of breaking strength requirements.
Effect of portland cement fineness on astm c1260 expansion. An astm designation number identifies a unique version of an astm standard. To identify the reactivity of asr of the three selected aggregates, three standard testing methods were used. Mortar bar expansion for these aggregates was tested as per the guidelines of both astm c227 and c1260. Alkali aggregate reactions institute for transportation. Astm c 12601567 expansion, % standard astm c 1567 cured at 38c for 28 days figure 2 astm c 12601567 expansion results figures 3 and 4 are plots of the astm c 12601567 expansions versus permeability results for each cement and curing method. There are probably at least 100 different cmu units available.
Astm c 926 free download astma36 specification sheet astm c926 free c 926 astm c1063 astm steel. Astm c126001 standard test method for potential alkali reactivity of aggregates mortarbar method. This specification covers uncoated, deformed, stressrelieved, and lowrelaxation wire for use as prestressed tendons in concrete railroad ties. Astm c 126001 test procedure standard test method for potential alkali reactivity of aggregates mortarbar method, vol. Mortar this document comes with our free notification service, good for the life of the document. Astm c1260 14 standard test method for potential alkali.
Astm d479119 standard test method for flat particles, elongated particles, or flat and elongated particles in coarse aggregate. Steel wire, indented, lowrelaxation for prestressed concrete. Pdf petrographic identification of reactive minerals in. Steel wire, indented, lowrelaxation for prestressed. Two procedures, method a and method b, are presented in this standard. Astm c1260 concrete engineering general discussion eng. The main criticism of astm c 1260 is that the high temperature combined with the high concentration of free hydroxides creates a very harsh condition. Standard test method for flat particles, elongated. The astm c1293 and astm c1260 results represent typical results for these aggregates as reported in table 2. These standards are often referenced in building codes.
This technical note provides an overview of the principal astm standards affecting coldformed steel framing. Pdf a comparative study between astm c1567 and astm c227 to. Find the most uptodate version of astm c1260 at engineering360. Pdf a comparative study between astm c1567 and astm. Omni block concrete masonry units cmu have significantly passed the industry standard astm c9014 and c140 for structural block every time when manufactured and tested in the usa.
Pdf role of test method in detection of alkalisilica. Standard test method for flat particles, elongated particles. Astm c126014, standard test method for potential alkali reactivity of aggregates mortarbar method, astm international, west conshohocken, pa, 2014, back to top. Astm c311 c311m 18 standard test methods for sampling. Astm c 1260 01 pdf free download february 19, 2019 astm c comments. The results show that mortarbar expansion was promoted with increased cement fineness regardless of clinker alkali, aggregate reactivity, or soak solution normality.
I have been running c1260 s on some aggregates known to be innocuous and have been getting results higher than typically seen for this aggregate. May contain mineral or chemical admixtures, if approved by owners. Astm c1064 aci temperature of freshly mixed concrete. Be calibrated annually, or if theres a question of accuracy. Astm c1260 14 standard test method for potential alkali reactivity of aggregates mortar bar method citing astm standards citation data is made available by participants in crossrefs citedby linking service. Estimated minimum level of scm required to suppress 2year expansion in astm c1293. More reactive aggregate establishes level of prevention r 80 no data assume r3. Expansion limits for all three tests are plotted as dashed lines. Mortar bar testing astm c1260 and c1567 at 14 days and 28 days free download as pdf file.
The methodology presented in this document is based largely up on some modifications to the procedure that is established in the standard astm c 1260 test. Astm c22710 standard test method for potential alkali. Standard test method for slump flow of selfconsolidating concrete. While the tested aggregate sources proved nonreactive under. This test method permits detection, within 16 days, of the potential for deleterious alkalisilica reaction of aggregate in mortar bars. C1260 14 standard test method for potential alkali reactivity of aggregates mortarbar method, aggregate, alkalisilica reactivity, length change, mortar, sodium. Astm c1260 01 standard test method for potential alkali reactivity of aggregates mortarbar method.
381 1490 1446 155 51 984 1049 4 1154 537 488 1047 363 45 338 1286 528 697 411 501 605 1089 1535 371 86 826 712 322 56 673 1075 676 556 1131