nfpa 253 standard test method for critical radiant flux of floor covering systems using a radiant heat energy source 73

ASTM D524 Standard Test Method for Ramsbottom Carbon Residue of Petroleum Products

Ngày tải lên : 20/10/2014, 17:17

... FIG Glass Coking Bulb Summary of Test Method 4.1 The sample, after being weighed into a special glass bulb having a capillary opening, is placed in a metal furnace maintained at approximately ... either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters Your comments will receive careful consideration at a meeting of the ... temperature (within 3°C) as when the sample was taken at the start of the test in order to obtain an accurate volume measurement in the receiving ﬂask 10.4 Apply the heat to the ﬂask at a uniform...

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1.4K
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ASTM D976 06 Standard Test Method for Calculated Cetane Index of Distillate Fuels

Ngày tải lên : 20/10/2014, 17:17

... Method D86 data following Appendix X5, Correlation of Jet and Diesel Fuel of test Method D2887 and use the data from Test Method D86 in place of the actual Test Method D86 data in the calculations ... either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters Your comments will receive careful consideration at a meeting of the ... correlation may be greater for fuels whose cetane numbers are outside this range Correlation is best for straight-run and catalytically cracked distillates and blends of the two, and least satisfactory...

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1.6K
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ASTM D2887 Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography

Ngày tải lên : 20/10/2014, 17:18

... signal on subsequent sample analyses to compensate for any baseline offset Some integration systems also store and automatically subtract a blank analysis from subsequent analytical determinations ... slice that will generate an accumulative slice area larger than the X percent of the total area Let us call this time, Ts, and the accumulative area at this point, Ac 12.9.1.2 Calculate the fraction ... selected material that has similar boiling point characteristics as the samples analyzed However, the principal reference is the ASTM Reference Gas Oil and the validity of a secondary standard as a reference...

24
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Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens)

Ngày tải lên : 26/03/2014, 21:55

... 1 1a ANNEX (Mandatory Information) A1 ANALYSES OF TEST RESULTS FOR QUALIFICATION OF ALTERNATE COMPACTION METHODS A1 .1 Calculation of Average Within-Batch Standard Deviation and Elimination of ... of valid tests per batch, an intermediate calculation, total number of valid tests of the round, grand average of valid tests for the round, MPa, mean standard deviation of the round = Œ ( Batch ... sample of cement be prepared at the time of qualiﬁcation for use as a secondary standard and for method evaluation Frequent testing of this sample will give early warning of any changes in the performance...

10
851
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ASTM D5453 Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence

Ngày tải lên : 20/10/2014, 17:16

... furnace at a controlled and repeatable rate is required For example, see Fig 5.8 Refrigerated Circulator—An adjustable apparatus capable of delivering a coolant material at a constant temperature ... controllers capable of maintaining a constant supply of oxygen and carrier gas Apparatus 5.4 Drier Tube—The apparatus must be equipped with a mechanism for the removal of water vapor The oxidation reaction ... sample boat for analysis (Notes 8-10) There are two alternative techniques available NOTE 8—Injection of a constant or similar sample size for all materials analyzed in a selected operating range...

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ASTM D129 Standard Test Method for Sulfur in Petroleum Products (General High Pressure Decomposition Device Method)

Ngày tải lên : 20/10/2014, 17:16

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406
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ASTM D86 Standard Test Method for Distillation of Petroleum Products at Atmospheric Pressure

Ngày tải lên : 20/10/2014, 17:17

... horizontal A2 .9.1 Manual Method The cylinder shall be graduated at intervals of mL beginning at least at mL and have a graduation at the 100-mL mark Construction details and tolerances for the graduated ... 2003 using manual and automated apparatus has concluded that there is no statistical evidence to suggest that there is a bias between manual and automated results NOTE 35—See A2 .1 for information ... distillation data of a Group sample as obtained by a manual unit X2.2 Example Calculation X2.2.1 For a Group sample exhibiting distillation characteristics as per Table X2.1, as determined by a manual...

28
894
1

ASTM D482 Standard Test Method for Ash from Petroleum Products

Ngày tải lên : 20/10/2014, 17:17

... burn at a uniform and moderate rate leaving only a carbonaceous residue when the burning ceases A hot plate can be used at this stage 8.6.1 The test sample may contain water that can cause spattering ... and other particulate material throughout the sample Satisfactory mixing can usually be achieved by 10 of manual shaking or 10 using a mechanical shaker Examine the sample for homogeneity before ... total testing process (see Practices D6299 and D6792 and MNL 7) Any out -of- control data should ASTM MNL 7, Manual on Presentation of Data Control Chart Analysis, 6th ed., ASTM International,...

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1K
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ASTM D1319 Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption

Ngày tải lên : 20/10/2014, 17:17

... D3663 Test Method for Surface Area of Catalysts and Catalyst Carriers D4057 Practice for Manual Sampling of Petroleum and Petroleum Products D4815 Test Method for Determination of MTBE, ETBE, TAME, ... % of alkanes, plus cycloalkanes Summary of Test Method 4.1 Approximately 0.75 mL of sample is introduced into a special glass adsorption column packed with activated silica gel A small layer of ... Calibrations of standard wall tubing would be impractical; however, any variations of 0.5 mm or greater, as measured by ordinary calipers, in the outside diameter along the tube can be taken as...

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ASTM D4539 10 Standard Test Method for Filterability of Diesel Fuels by LowTemperature Flow Test (LTFT)

Ngày tải lên : 20/10/2014, 17:18

... STATEMENTS A1 .1 Acetone A1 .3.2 (Warning—Keep away from heat, sparks, and open flame.) A1 .1.1 (Warning—Extremely flammable.) A1 .3.3 (Warning—Keep container closed.) A1 .1.2 (Warning—Vapors may cause flash ... eliminate all sources of ignition, especially non-explosion proof electrical apparatus and heaters.) A1 .1.7 (Warning—Avoid prolonged breathing of vapor or spray mist.) A1 .1.8 (Warning—Avoid contact ... limit value for occupational exposure.) A1 .2 n-Heptane A1 .2.1 (Warning—Flammable Harmful if inhaled.) A1 .2.2 (Warning—Keep away from heat, sparks, and open flame.) A1 .2.3 (Warning—Keep container...

6
640
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ASTM D6079 11 Standard Test Method for Evaluating Lubricity of Diesel Fuels by the HighFrequency Reciprocating Rig (HFRR)

Ngày tải lên : 20/10/2014, 17:18

... the vibrator arm and cleaned The image of the wear scar is captured using the microscope digital camera, and the dimensions of the major and minor axes of the wear scar are measured and recorded ... potential, and test duration, with an electronic data acquisition and control system 6.4 Microscope, with Digital Camera7,8capable of 100× magniﬁcation, installed and calibrated according to manufacturer ... distinct and the less distinct areas A1 .3 Photographic examples of various wear scar shapes are shown in Fig A1 .2, together with an assessment of the overall scar boundary FIG A1 .1 Example of a Wear...

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ASTM D6371 05 Standard Test Method for Cold Filter Plugging Point of Diesel and Heating Fuels

Ngày tải lên : 20/10/2014, 17:18

... heat treatment at 45°C for 30 can be used to investigate complaints of unsatisfactory performance under low temperature conditions Apparatus 6.1 Manual Apparatus: 6.1.1 The apparatus, as detailed ... in any case not at a temperature less than 15°C, through dry ﬁlter paper (see 7.3) 10 Preparation of Apparatus 10.1 Prepare the manual apparatus or the automated apparatus for operation in accordance ... either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters Your comments will receive careful consideration at a meeting of the...

8
746
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provisional standard test method for water-soluble chloride available for corrosion of embedded steel in mortar a

Ngày tải lên : 24/10/2014, 17:40

... reaction The test method described in ASTM C 1218 measures a portion of the chloride contained in these aggregates However, the amount of chloride *ASTM Standard Test Method C 1218-92, Standard ... responsibility of the user of this test method to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use 2—Signiﬁcance and Use 2.1—Water-soluble ... Fig A1 —Soxhlet extraction apparatus 1—Scope 1.1—This test method provides procedures for the sampling and analysis of hydraulic-cement mortar, concrete, or aggregate for chloride that is water-soluble...

3
344
0

ASTM D4945 Standard Test Method for HighStrain Dynamic Testing

Ngày tải lên : 12/11/2015, 14:13

... digital disk or equivalent for obtaining a record for future analysis, and a means to reduce the data The apparatus for FIG Typical Force and Velocity Traces Generated by the Apparatus for Obtaining ... Typical Arrangement for High Strain Dynamic Testing of Piles FIG Schematic Diagram for Apparatus for Dynamic Monitoring of Piles recording, reducing, and displaying data shall have the capability ... capability of making an internal calibration check of strain, acceleration, and time scales No error shall exceed % of the maximum signal expected A typical schematic arrangement for this apparatus...

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Báo cáo " A combination of the identification algorithm and the modal superposition method for feedback active control of incomplete measured systems " doc

Ngày tải lên : 28/03/2014, 13:20

... Conference on Mathematics, Mechanics, and Informatics, Hanoi, 7/10/2006, on the occasion of 50th Anniversary of Department of Mathematics, Mechanics and Informatics, Vietnam National University, Hanoi ... as a vertical cantilever beam as showed in Fig Fig Model of a cantilever beam subjected to base acceleration The characteristics of the beam are taken from [12] The beam has a square cross-section ... of 21m x 21m The total mass is 153,000 tons, the total height is 306m, the modulus of elasticity is 40 GPa and the damping ratios for all modes are assumed to be 2% Using the method of separation...

8
359
0

Báo cáo " A combination of the identification algorithm and the modal superposition method for feedback active control of incomplete measured systems" doc

Ngày tải lên : 28/03/2014, 13:20

... Conference on Mathematics, Mechanics, and Informatics, Hanoi, 7/10/2006, on the occasion of 50th Anniversary of Department of Mathematics, Mechanics and Informatics, Vietnam National University, Hanoi ... as a vertical cantilever beam as showed in Fig Fig Model of a cantilever beam subjected to base acceleration The characteristics of the beam are taken from [12] The beam has a square cross-section ... of 21m x 21m The total mass is 153,000 tons, the total height is 306m, the modulus of elasticity is 40 GPa and the damping ratios for all modes are assumed to be 2% Using the method of separation...

8
416
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Tài liệu Standard Test Method forPour Point of Petroleum Products1 ppt

Ngày tải lên : 19/02/2014, 20:20

... either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters Your comments will receive careful consideration at a meeting of the ... time-consuming test and therefore not suitable for routine control testing X1.6 Apparatus X1.6.1 Glass U-Tubes, 150 mm high, having a uniform internal diameter of 12.5 mm and a radius of curvature, measured ... (Warning—Extremely ﬂammable) 7.1.2 Alcohol, Ethanol (Warning—Flammable) D 97 – 05 8.5 After the specimen has cooled to allow the formation of paraffin wax crystals, take great care not to disturb the mass of...

9
597
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ASTM D93 Standard Test Methods for Flash Point by PenskyMartens Closed Cup Tester

Ngày tải lên : 20/10/2014, 17:17

... service@astm.org For Annual Book of ASTM Standards volume information, refer to the standard s Document Summary page on the ASTM website Available from American National Standards Institute (ANSI), ... propagate a flame in apparatus the size of a flash point tester, however, its vapors are flammable and will burn when ignited in apparatus of adequate size X2.3 When a liquid contains flammable and ... program7 using samples of fuel and lubricating oils (Twelve laboratories participated with the manual apparatus and 21 laboratories participated with the automated equipment) and a 1994 IP cooperative...

18
694
1

standard method for determining fire resistance of concrete and masonry construction assemblies

Ngày tải lên : 24/10/2014, 17:40

... 5.3.1.2 Adhesive attachment to concrete and clay masonry—Place a 3/8 in bead of panel adhesive around the perimeter of the wallboard and across the diagonals After the wall board is laminated to ... the same as that of a solid wall or slab of the same type of concrete 2.2.3 Flanged panels For flanged walls, and floor and roof panels where the flanges taper, the equivalent thickness shall ... block at nominal flexural strength A 1, A and An = air factor for each continuous air space having a distance of / in to 31/ in between wythes 2 Aps = cross-sectional area of prestressing strands...

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development of a direct test method for dynamically assessing the liquefaction resistance of soils in situ

Ngày tải lên : 14/11/2014, 13:09

... 10-9 Relative locations of the liquefaction sensor array at Test Location A and the area where a separate crosshole P-wave velocity survey was conducted; Wildlife Liquefaction Array (WLA) (after ... foundations as liquefied soils spread laterally toward stream channels Earthquake-weakened soils also triggered large landslides in the cities of Anchorage, Seward, and Valdez In the 1964 Niigata, Japan ... Liquefaction Array (WLA) 217 Table 8-6 Average 100-cycle shear strains, shear wave velocities and shear moduli obtained from loading stages No through No of staged loading Series at Test Location...

542
309
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