specifications for bentonite test

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Calibration barite and test calibration bentonite are available through the API offices (see 421) for use by laboratories to determine their test precision 13 TEST CALIBRATION BENTONITE Testing Product: Test calibration bentonite Table 8 – Bentonite physical specifications BENTONITE PROPERTIES TEST METHOD TEST FREQUENCY REQUIRED VALUES Bentonite Moisture API 13 A 1 per 50 tonnes 14% max Bentonite Swell Index ASTM D 5890 1 per 50 tonnes 24 ml/2g min Bentonite Fluid Loss ASTM D 5891 1 per 50 tonnes 18 ml max GCL PROPERTIES TEST METHOD TEST FREQUENCY REQUIRED VALUES Bentonite Mass/Area2 ASTM D 5993 BENTOMAT ST GEOSYNTHETIC CLAY LINER GUIDE Bentonite used in preparing slurry shall be pulverized (powder or granular) premium grade sodiumcation montmorillonite and shall meet the most current API Standard 13A, Section 4 The yield of the bentonite shall be [90] barrels per ton 23 Cement Cement shall be Portland Type I or Type II (per ASTM C 150) Cement additives and/orVersion 2006 GUIDE TECHNICAL SPECIFICATIONS SOIL

Bentonite Testing – Global Energy Laboratories

Includes the following tests: Suspension properties (viscometer dial reading at 600 r/min, yield point/plastic viscosity ratio, and filtrate volume) Particle sizing (residue of diameter greater than 75 microns) The current API specifications for drilling grade bentonite are: Viscosity: Reading of 30 at 600 r/min The test that is most useful to determine initial (freshly mixed) slurry properties is the Marsh Funnel (MF) test The results of this test are related to bentonite content, the type of bentonite used and the degree of hydration If there are impurities in the mix water that interfere with the hydration of the bentonite, this test will usuallySoilBentonite Slurry Wall Specifications Especificaciones A good specification will utilize established test protocols ISO, ASTM, CEN and other national or international organizations have created existing test protocols that address the details of a test, the number of replicates, the variability of a test, the recommended frequency of testing and other factorsGuide to the Specification of Geosynthetics 2018

Assessment of clay materials for suitability in drilling

Calcium montmorillonites are bentonite ores of less significant value and can be treated to meet API specifications by the addition of some main additives such as sodium carbonate, CMC, starch or polyphosphates, and long chain synthetic polymers OCMA DFCP —4 Bentonite is pure sodium based Bentonite specially treated to meet OCMA DFCP —4 specifications It is ideal for Oil well drilling, piling and civil engineering 'application It acts as a viscosifier and highly effective in fresh water Typical performance of OCMA DFCP 4 Bentonite when tested as per OCMA testing methodBENTONITE FOR FOUNDRY MICROGEL 2imimg 911 Test procedure 14 912 Calculation of slurry density for mix proportions 15 913 Grain specific gravity of the bentonite powder 15 92 Sand content 16 921 Test procedure 16 93 Rheological measurements 17 931 Test procedure for the electrically driven viscometer 17 932 Test procedure for the hand cranked viscometer 18FEDERATION OF PILING SPECIALISTS BENTONITE

Chapter 6 Bentonite Applications ScienceDirect

The American Petroleum Institute sets the specifications for bentonite that is used in drilling oil wells Many of the Wyoming and Montana sodium bentonites meet the American Petroleum Institute (API) specifications The sodium bentonite gives mud yields of over 100 bbl/ton A 5% addition of the sodium bentonite usually gives the desired viscosity Specifications for the construction of SoilBentonite slurry walls have been developing for over 30 years In this paper, the elements of good specifications and recommended parameters are discussed Recent new provisions in specifications and their potential contributions to the cost and/or quality of the finished product are evaluatedSoilBentonite Slurry Wall Specifications Especificaciones API Test Calibration Bentonite, 2 Gallon Bucket Specifications Dispersed Plastic Viscosity: 1537 ± 363 mPa s; Yield Point / Plastic Viscosity Ratio: 084 ± 044API Test Standard Calibration/Reference Bentonite

TECHNICAL SPECIFICATIONS SOILBENTONITE SLURRY

TECHNICAL SPECIFICATIONS SOILBENTONITE SLURRY TRENCH CUTOFF WALL ASTM C 143 Test Method for Slump of Portland Cement Concrete ASTM D 1140 Materials Finer than No 200 Sieve in Mineral Aggregate by Washing ENG/TECHSPSB ASTM D 422 Particle Size Analysis of 911 Test procedure 14 912 Calculation of slurry density for mix proportions 15 913 Grain specific gravity of the bentonite powder 15 92 Sand content 16 921 Test procedure 16 93 Rheological measurements 17 931 Test procedure for the electrically driven viscometer 17 932 Test procedure for the hand cranked viscometer 18FEDERATION OF PILING SPECIALISTS BENTONITE Test Procedure for SLURRY TESTING TxDOT Designation: Tex130E Effective Date: January 2009 1 SCOPE 11 Part I of this test method covers sampling bentonite slurry 12 Part II determines the density of slurries used in slurry construction techniques, such as those used for barriers to control the horizontal movement of liquidsPART I—SAMPLING BENTONITE SLURRY

Geosynthetic Institute GRI 475 Kedron Avenue GEI GII

“Test Methods, Required Properties, and Testing Frequencies of It is completely optional in this regard and can be superseded by other existing or new specifications on the subject matter in whole or in part Neither GRI, the Geosynthetic Institute, nor any of its related institutes, 3121 bentonite—a distinct type of finegrained University of Houston Master Construction Specifications Insert Project Name AE Project Number: Revision Date: 01/29/2018 BENTONITE WATERPROOFING 1 SECTION BENTONITE WATERPROOFING PART 1 GENERAL 11 SUMMARY A Section Includes: 1 Bentonite waterproofing 2 Moldedsheet drainage panels 3 Insulation 12 ACTION SECTION BENTONITE WATERPROOFING STANDARD SPECIFICATIONS SECTION 02315 EARTHWORK FOR PIPELINE CONSTRUCTION PART 1 GENERAL or ASTM D2937 at minimum rate of 1 test for every 100 feet of fill along main trench and at every lateral trench, structure and valve box in Type I areas Bentonite: 100 percent highswelling granular sodium Bentonite, with maximum moisture STANDARD SPECIFICATIONS

Calibration barite and test calibration bentonite are available through the API offices (see 421) for use by laboratories to determine their test precision Note: Calibration barite can also be found in the General Requirements Section of this Purchasing Guideline design test may be included in a specification with a “oneperproject” frequency, where an index test may have a frequency that is orders of magnitude more frequent It is a normal compromise to balance the direct design utility of a test with a desire for a higher frequencyGuide to the Specification of Geosynthetics 36 the bentonite to each four inch lift of an eight inch thick blanket) Except as otherwise specified on the drawings, compaction of each layer of the blanket must be to 90 percent of maximum density determined by Standard Proctor Test, ASTM D698 Each bentonite treated soil layer must be moist, but not wet, prior to compaction When kneaded in theTable of Contents Construction Specifications

Bentonite Clay Specifications ClearOFF Natural

Bentonite Clay is a unique its ability to produce an “electrical charge” when hydrated Upon contact with fluid, its electrical components change, giving it the ability to absorb toxins Bentonite is known for its ability to absorb and remove toxins, heavy metals, impurities, and chemicals TECHNICAL SPECIFICATIONS SOILBENTONITE SLURRY TRENCH CUTOFF WALL ASTM C 143 Test Method for Slump of Portland Cement Concrete ASTM D 1140 Materials Finer than No 200 Sieve in Mineral Aggregate by Washing ENG/TECHSPSB ASTM D 422 Particle Size Analysis of TECHNICAL SPECIFICATIONS SOILBENTONITE SLURRY The specifications of bentonite for chemical rubber and oilwell drilling industries vide BIS Specification IS:61861986 (Second Revision Reaffirmed 2010) are given in Table3 Specifications for ceramic industry vide IS:126211988 (Reaffirmed 2011) are given in Table4 BIS has revised the specifications of bentonite for use in foundries; theBENTONITE Indian Minerals Yearbook 2013

Investigation of bentonite requirements for geosynthetic

Sodium bentonite is commonly distinguished by its ability to swell several times its natural volume – when exposed to water The test method used for quantifying the swelling property for use in GCLs isASTM D5890 – Standard Test Method for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners This index The American Petroleum Institute sets the specifications for bentonite that is used in drilling oil wells Many of the Wyoming and Montana sodium bentonites meet the American Petroleum Institute (API) specifications The sodium bentonite gives mud yields of over 100 bbl/ton A 5% addition of the sodium bentonite usually gives the desired viscosityChapter 6 Bentonite Applications ScienceDirectThe use of bentonite slurry will be successful depending on stringent control on its properties Some specifications according to BS EN 1536 are summarized below including specification usually provided by contractors (the properties are of bentonite at 20 o C): The following requirements must comply with the bentonite used in drilling: Density: Density/unit weight of drilling slurry is the Requirements of Bentonite in Boring of Pile

Geosynthetic Institute GRI 475 Kedron Avenue GEI GII

“Test Methods, Required Properties, and Testing Frequencies of It is completely optional in this regard and can be superseded by other existing or new specifications on the subject matter in whole or in part Neither GRI, the Geosynthetic Institute, nor any of its related institutes, 3121 bentonite—a distinct type of finegrained STANDARD SPECIFICATIONS SECTION 02315 EARTHWORK FOR PIPELINE CONSTRUCTION PART 1 GENERAL or ASTM D2937 at minimum rate of 1 test for every 100 feet of fill along main trench and at every lateral trench, structure and valve box in Type I areas Bentonite: 100 percent highswelling granular sodium Bentonite, with maximum moisture STANDARD SPECIFICATIONS University of Houston Master Construction Specifications Insert Project Name AE Project Number: Revision Date: 01/29/2018 BENTONITE WATERPROOFING 1 SECTION BENTONITE WATERPROOFING PART 1 GENERAL 11 SUMMARY A Section Includes: 1 Bentonite waterproofing 2 Moldedsheet drainage panels 3 Insulation 12 ACTION SECTION BENTONITE WATERPROOFING

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