To investigate the durability of weathered rocks from various weathering grade. Because of the variability of Overview. Oven: An oven capable of maintaining a temperature of 110C (230F) the copyright notice is not permitted. Proving ground tests are often used to assess component durability, butunfortunatelythey can be costly and time consuming. Theoretical Background. report subject code test code & title course code testing date student name bfc 21303 slake durability test bff 22 . The failures from lab test B and the proving ground show similar Weibull parameters, indicating that their failure modes are similar. Cement Testing Lab Equipment. Availability will be subject to periodic Although SDI tests are commonly carried out by application of two cycles, studies concerning application more then two cycles are encountered in literature. 7 0 obj 5.2This test method is used to assign quantitative durability index values to weak rocks. arising out of or related to the use of the ASTM Product or downloading of the ASTM Documents. Customs duty and taxes are the responsibility of the consignee. However, due to the different shapes of sample pieces, such as, irregular shapes displayed mechanical breakages in the slaking process, the SDI test has some limitations that affect . A laboratory durability test is desirable due to reduced variability, cost, and timebut youthen face the challenge of moving the durability test into the lab while replicating the same failure behavior. Download Free PDF. engineering geology & geophysic laboratory . Article navigation. PDF | On Jun 2, 2022, Godfrey Moeng Monyakeng published SLAKE DURABILITY TEST | Find, read and cite all the research you need on ResearchGate This provides us with statistical evidence that while lab test A has the benefit of a shorter test duration, its, the 2019PrensciaUser Group Meetingto bring both. Sieve mesh forms the walls of the drums with openings of 2 mm. D. Assignment:Licensee may not assign or transfer or distribute any Document in any manner or for any purpose except as described in Section It is important to note that aluminum will sink in water and therefore volume by water displacement is going to be employed. By continuing to use our website, you are agreeing to our, https://doi.org/10.2113/gseegeosci.xxiv.2.247, Predicting the Rate of Shale Undercutting Along Highway Cuts, Late OrdovicianEarly Silurian Strata in Mid-Continent Area: ABSTRACT, Log-Derived Evaluation of Shaly Sandstone Reservoirs: ABSTRACT, Deformation of Mine Floors by Sulfide Alteration, Characterizing the Distribution of Natural Fractures from Outcrop in a MississippianAged Mixed CarbonateChert System, MidContinent, USA, Geology and petrography of the Twin Knobs #1 lamproite, Pike County, Arkansas, An Overview of the Giant Heterogeneous Mississippian Carbonate System of the Midcontinent: Ancient Structure, Complex Stratigraphy, Conventional Traps, and Unconventional Technology in a High Fluid Volume World, Tournaisian (Mississippian) Carbonate Mounds in the Ozark Region, North America and Ireland: A Comparison, Copyright 2023 Association of Environmental & Engineering Geologists. The Licensee and the Authorized Users are responsible for obtaining at their expense This test is performed on rock to estimate its durability to weathering (me. The slake durability index is used as an indicator of the durability of shale. 8. 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. Optional extra drums & tanks allow expansion to 4 samples. test code & title slake durability test . Lets assume you are an engineer tasked with validating the durability of a structural part that is susceptible to fatigue cracking. and/or rights granted under this Agreement. Governing Law, Venue, and Jurisdiction:This Once a relative damage relationship has been determined, the lab test can be run and results from the proving ground and lab can be compared statistically with. or for distance learning use, is not authorized by this License and is prohibited without (40w)>"+2Q d1)84``}PKZQ1ElQqV\@WsqyX=8xEg]!rSLZ> \60qyW~%RYc7GhB@!5!'Qp>9#wPjy-. Best of all, the cost of a Standard + Redline is only slightly more than buying the Active Standard by itself. Proposed appropriate cost-effective method of ground exploration and suitable in-situ testing. or other communication between the parties relating to its subject matter during the term Example Report: Slake Durability: ASTM D4644: $232: Logging of Shelby Tube-$105: Details: Phone (650) 213-8436. ASTM for any unlicensed/prohibited uses. times average 3 to 5 business days. The test drums are manufactured from 2.00 mm mesh, 140 mm dia. Licensee and/or ASTM have the right to terminate this Agreement In particular, 1.1This test method covers the determination of the slake durability index of a shale or other weak rock after three drying and two wetting cycles with abrasion effects. The material on each sieve should then be oven dried and weighed to obtain a measure of the material breakdown. Results are shown below. This test is not applicable to mud stone and rock salt as they are very unstable and soluble in fluids (water). 1.457 views. For the present report, five criteria were used to evaluate 12 forms of the test: precision, ability to differentiate between shales, operator time, testing time length, and closeness of predicted durability to observed laboratory behavior. %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz Testing procedure, measurement, calculations and classifications are given below. for the Licensee or Licensee's Authorized Users. which to cure such breach. It is common to perform forensics on the broken faces of broken parts to assess the failure mode with the assumption that similar failure surfaces implies similar failure modes. or by permitting access through his or her terminal or computer; or by other similar or dissimilar means or arrangements. The tank assemblies are filled with water to a level 20mm below the drum axis. endstream endobj startxref T1 - Relationships between results of slake . may not otherwise be sold or resold, rented, leased, lent or sub-licensed. Yagiz 4 investigated the relationship between slake durability and some carbonate rock features, observing strong relationships between the 4th cycle of the slake durability index (I d4) and V p. Thisexample was used during a workshop atthe 2019PrensciaUser Group Meetingto bring both ReliaSoft and nCode users together to explorethe approach, share best practices,anddiscover ways to apply this methodin daily practice. guidance to assess the slake durability of these rocks through simple test methods; direction for the interpretation of the test results; and discussion of appropriate mitigation strategies for the design of structural elements such as spread footings, driven piles, and drilled shafts in slake- . terminated. of each standard, article, file or material. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the users objectives; and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations. Test drum: Comprising 2mm standard mesh cylinder of unobstructed length 100mm and dia. Close mobile search navigation. fwater interface. all express or implied conditions, representations and warranties, including any implied 2030 0 obj <> endobj The slake durability index (SDI) test is widely used to determine the disintegration characteristic of the weak and clay-bearing rocks in geo-engineering problems. hbbd``b`kA+`I;@\$'c`bd!z p DECEMBER 2013, Engineering geological characterization of the Antalya karstic rocks, southern Turkey, Experimental Study of the Brittle Behavior of Clay shale in Rapid Unconfined Compression, Water Retention Characteristics and State-Dependent Mechanical and Petro-Physical Properties of a Clay Shale, Insight into the mechanical behavior of Opalinus Clay, Interpretation of Ucs Test Results for Engineering Design, A geotechnical survey of some British Coal Measures mudstones, with particular emphasis on durability, Simulating fracture and friction of Aue granite under confined asymmetric compressive test using clumped particle model, Numerical Modelling of the Anisotropic Mechanical Behaviour of Opalinus Clay at the Laboratory-Scale Using FEM/DEM, Application of experimental design and optimization to PFC model calibration in uniaxial compression simulation, General characterization of the mechanical behaviour of different volcanic rocks with respect to alteration, Investigations of Weathering Effects on Engineering Properties of Supare, Constitutive testing of Red Wildmoor sandstone, Investigations on permeability of fractured, steep and deep rock slopes with high groundwater pressures, Empirical relations of rock properties of outcrop and core samples from the Northwest German Basin for geothermal drilling, The Correlation Between Mechanical Properties and P-Wave of Sedimentary Rocks, ROCK FAILURE MECHAN ISMS EXPLAINED AND ILLUSTRATED, DETERMINATION OF ROCK STRENGTH FROM SLAKE DURABILITY TESTS, PROTODYAKONOV IMPACT TESTS AND LOS ANGELES ABRASION RESISTANCE TESTS, SOIL STABILIZATION USING WASTE FIBER MATERIALS, Chapter 2 2.1 Important Characteristics of Geological Materials, Schist-Variation in Strength-A Case Study, Four-point bending test on a middle strength rock numerical and experimental i.PDF. at the end of a Subscription Period by written notice given at least 30 days in advance. Inclusion of print or electronic copies in coursepacks or electronic reserves, This test properly defines the. are disclaimed, except to the extent that these disclaimers are held to be legally invalid. of individual Documents, or portions of such Documents for the Authorized User's personal Further, confidence bounds can be introduced and these parameters can then be described as ranges. Sort By. The technique itself form an important part of test to determine the weathering properties of rock when exposed on embankment and in open cast mining as well as in many other application. The best way to experience wide collection of products is to visit the store. Drum has solid removable lid. Lab test B: A small cycle repeated 200,000 repeats. Slake-durability tests, Evaluation able to the public through the National techniq,ues, Highway embankments, Technical Information SerVice, Springfield, . Therefore, a balance must be made to select a cycle size that is large enough for the lab test to complete within a target duration, yet not too large. We've updated our privacy policy. The U.S. Department of Health and Human Services (HHS) issued a final rule in 2014 that allows patients or their representatives direct access to laboratory test reports after having their identities verified, without the need to have the tests sent to a health practitioner first. Slake durability indices important geotechnical parameters that can be used in, characterizing the strength of rock fragments and their durability to weathering. otherwise) of any standard,article, file, or material obtained from any ASTM Product or of individual Documents, or portions of such Documents, solely for Licensee's own use. printing one copy of a Document for individual use. 0 4 0 obj This plot shows several contours of Weibull parameters: black is lab test A, red is lab test B, and orange is the proving ground. However the answers to the assignment are left to the, students to solve using the group creativity and innovativeness. B. International orders are delivered via courier post services which can be either a postal service, courier Once each population is modeled, and at a specified level of confidence can be compared. verification reveals unlicensed or prohibited use of the ASTM Products or Documents, If fatigue is the failure mode, fatigue methodologies like, can be used to create an equivalent fatigue damage test specification. The procedure has been standardized by the ISRM (Franklin, 1979) and, The slake durability test apparatus is shown in Figure 9. promptly exit this page without entering the ASTM Product. In no event will ASTM's liability exceed the amount paid by Licensee under this License Agreement. /Type /Catalog (i) Individual User:a single unique computer, with an individual IP address; (ii) Single-Site:one geographic location or to multiple Previous testing on the proving ground also returned 6 failures. The slake durability apparatus consists of a motorised drive unit which is mounted on a baseplate and which can rotate two or four drums at a speed of 20 r.p.m. Group % Retained after one 10 minute cycle % Retained after two 10 minute cycle Very high Durability > 99 >98 High Durability 98-99 95-98 Medium high Durability 95-98 85-95 Medium Durability 85-95 60-85 Low Durability 60-85 30-60 Very Low . a contract, and acknowledge that you have read this License Agreement, that you understand 1 2 . % LEARNING OUTCOMES i. The life data results from each population of failed parts can be statistically modelled and compared. Motor 3.2 The Slake-Durability test (Method B) is performed on pieces of oven-dri ed material submerged in water and rotated in a wire drum cage. The slake-durability test. : SET-1508. (hard, digital or in any media)of the ASTM Documents and terminating all access to the ASTM Product. contemporaneous oral or written communications, proposals, representations and warranties A. Part 1 Laboratory testing of soils for civil engineering purposes SP 36 : Part 2 : 1988 Compendium of Indian standards on soil engineering: Part 2 Field testing IS 1080 : 1985 Code of practice for design and construction of shallow foundations in . LYBr=M;8@ *,TGGQ=_5 bnP1230`Y)qC*=;!u3nf[H20d J 5_Dt pAn Course Hero is not sponsored or endorsed by any college or university. The percentage of, rock retained inside the drum, on a dry weight basic, is reported as the slake durability, index, Id. /Pages 3 0 R Now customize the name of a clipboard to store your clips. Standard Service is untraceable. 5 0 obj That is, Licensee may access and download an electronic file of a Document (or portion Related Theory It appears that you have an ad-blocker running. ASTM reserves the right to change such format upon three [3] months' notice to Licensee, Principle: Agreement shall be interpreted and construed in accordance with the laws of the A. For the best experience on our site, be sure to turn on Javascript in your browser. /Filter /DCTDecode 1.5.1.5 Sonic Wave Velocity Test. endstream endobj 2031 0 obj <. otherwise shared. Geotechniques 100% (3) 22. Once this spectrum of cycles is counted, a cycle size can be chosen to be replicated in the simplified lab test. explicitly noted in the text of the individual Documents. 2040 0 obj <>/Filter/FlateDecode/ID[<4DF7496854CB7240A455898350554B15><3E9DEA979F8EC5468FDE97F416D1532F>]/Index[2030 21]/Info 2029 0 R/Length 64/Prev 991341/Root 2031 0 R/Size 2051/Type/XRef/W[1 2 1]>>stream Learning Outcomes At the end of the laboratory activities, students would be able to : 1. Lab test A shows drastically different Weibull characteristics, indicative of a different failure mode entirely. At Civil Lab Equipment, slake durability apparatus consists of a motorised drive unit which is mounted on a base plate and which can rotate two or four drums at a speed of 20 r.p.m. Proposals, representations and warranties a values to weak rocks representations and warranties a, test... 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