Transcription

Standard Test Method forDetermining F F Floor Flatness andF L Floor LevelnessNumbersBased on theASTM International DesignationE 1155 M - 96 (Reapproved 2001)Excel Sheet DevelopedApril 2003Stanford Linear Accelerator CenterAlignment Engineering Group

Type I Flatness Raw Data(height units mm)Test Sample j 0Reading 416.738141516171819Test Sample j 1Reading PointsElevationhiNamePPPPPPPPPPPPPPPPPPPPTest Sample j 2ElevationReading 1415161718195/15/2003 2:35 .894419.684420.040417.9821516171819Test Sample j 3ElevationReading 1516171819Type I Raw DataASTM E 1155M Section 9.1.1Page 1 of 2

Type I Raw Data Continued(height units mm)Test Sample j 4ElevationReading 421.5131516171819Test Sample j 5ElevationReading PointshiNamePPPPPPPPPPPPPPPPPPPPTest Sample j 6ElevationReading 1415161718195/15/2003 2:35 48420.62413141516171819Test Sample j 7ElevationReading 141516171819Type I Raw DataASTM E 1155M Section 9.1.1Page 2 of 2

Type I or II Flatness: Procedure and Calculations(Height Units mm)Data Entry FieldSection 7 Tests: (See ASTM E 1155M for details)Slab DimensionsWidth (m)3.36Length (m)6.11Pass 7.2.1Pass 7.2.1Area (m2):20.53Pass 7.2.1Applicable Tests and WarningsSection Comment7.3.1Make sure no sample line 3.3 meters in lengthArea excluded (m2) 7.3.2.2NO 600 mm edge restriction 7.3.3Make sure no sample lines closer than 1.2 meters to each other7.4, 7.5Slab is large enough Max # points on longest diag 7.6Minimum number of zi values has been met (Nmin): 7.7Construction joints are not presently accounted forCalcs15.211610Section 8 Procedure and Tests: (See ASTM E 1155M for details)8.1Name of Subject BuildingSPEAR3 Concrete Test PadBuilding LocationBehind Fort Apache on hill topInstallation Date of Subject Floor (MM/DD/YY)04/04/03Floors Specified F f and F l ValuesComposite Values for Entire FloorFf30Fl20Minimum Values For Any SectionFf15Fl10Instrument Make, Model and Serial NumberK E Site Level, PC14688, SN 71-1111 with K E 40 RodDate of Test (MM/DD/YY)05/05/03CrewBanuelos, Griffin, Gaudreault5/15/2003 2:37 PMNote 5: Ref. ACI 117-90 requirestolerances be check within 72 hoursof concrete pour.Procedure and CalculationsASTM E 1155M - 96 (Reapproved 2001)Page 1 of 6

Section 8 Procedure and Tests: (continued)8.2Lay out the test surface.8.2.1Divide entire test surface into test sections. (i.e. divide large area into sub-areas)Assign unique ID number to each test section and note locationsID NumberLocation Details01234567891011121314151617- - - if more rows are needed, continue entering values on the "Overall F-Numbers" TAB section - - -8.2.2Determine number and location of all sample measurement linesAssign different number for each line in test area starting with j 0Record locations of all line starting and stopping points and mark on surface8.2.3Test section width 7.5 so orient sample lines 45 to longest const. jointDo NOT orient sample lines corner to corner8.3Collected Type I or Type II raw data Type I:Type II:Type:IInstruments that measure point elevations (see 6.1.1)Instruments that measure change in elevations (see 6.1.2)8.3.1Ensure each sample measurement line subdivided into 300 mm intervalsStarting point is designated as P0 for each line8.3.2TYPE I Data Entered: Measure and record in sequence the elevations (mm) of all points5/15/2003 2:37 PMProcedure and CalculationsASTM E 1155M - 96 (Reapproved 2001)Page 2 of 6

Section 9 Calculations: (See ASTM E 1155M for details)9.2The chart below is a subjective quality control check for gross anomaliesCheck each profile to ensure it really represents the actual floor012345ASTM E 1155 M Section 9.2 Straight Line Graph425.000Height (mm)420.000415.0000 12 34 56 7Point (Pi)489 1011 1221314For each test sample line j the profile curvatures are q17q18q195/15/2003 2:37 422Procedure and CalculationsASTM E 1155M - 96 (Reapproved 2001)Sample Line0pos troughneg 0.610-2.7430.610Page 3 of 6

Section 9 Calculations: (continued)For each test sample line j the elevation differences zi are calculated. Points areseparated by 3 meters9.5z10z11z12z13z14z15z16z17z18z19Positive uphill04.5472.819-1.422-7.010change in elevation122.5910.3050.813 -0.940-2.388 -2.464-1.473 -4.445-2.05732.769-0.1270.787-2.515Negative downhill change in 199.6For each test sample line j the mean qij is calculated (from section 9.4)9.7For each test sample line j the standard deviation S q j is calculated (from section 9.4)qij (mm)2)Sq j 1.7761.0262.0391.1751.2079.8For each test sample line j the mean zij is calculated (from section 9.5)9.9For each test sample line j the standard deviation S z j is calculated (from section 9.5)zij (mm)2)Sz j (mm9.10FF 2.1342.0482.1921.6022.781For each test sample line j the F f j Flatness Number is calculated (sec. 9.6 and ulation of the COMPOSITE F F Flatness Number estimateBased upon 73 readings of 600 mm profile curvatures, the test sectionF F 25.2has an estimated Flatness F -Number of 5/15/2003 2:37 PMProcedure and CalculationsASTM E 1155M - 96 (Reapproved 2001)Page 4 of 6

Section 9 Calculations: (continued)9.12FL jr9.13For each test sample line j the F L j Levelness Number is calculated (sec. 9.8 and n of the COMPOSITE F L Levelness Number estimateBased upon 25 readings of 3 m elevation differences, the test sectionF L 32.5has an estimated Levelness F -Number of 9.149.15Calculation of the 90% confidence intervals, CI90%FFjCI90% 14.6F -Number 90% Confidence Interval 21.5 to 28.8FLjCI90% 25.3F -Number 90% Confidence Interval 24.3 to 40.8Enter all test section (sub-section) area and F values on "Overall F-Numbers"TAB page to compute the overall F F and F L Numbers for the entire test surfaceOverall F F Overall F L Section 10 Report: (See ASTM E 1155M for details)10.1Summary of each test section results: (Namely 9.1, 9.3, 9.4 and 9.10 to 9.14)To satisfy this condition, print all TAB pages in this report for this concrete testsection and all TAB pages in every other sectional report10.2Final F -Numbers for this particular test section at 90% confidence5/15/2003 2:37 PMF f 25.2( 21.5 - 28.8 )F l 32.5( 24.3 - 40.8 )Procedure and CalculationsASTM E 1155M - 96 (Reapproved 2001)Page 5 of 6

Section 10 Report: (continued)10.3qmax10.4Maximum qi for each straight section (choose construction joints if rall F-Number results for entire test surfaceWarning: The values below may not include all test surfaces. See "Overall F-Numbers"OverallOverallFFFL Sections 11 and 12 Precision and Bias Factors: (See ASTM E 1155M for details)11.2On very level floors the F -Numbers could be computed as functions of only thestandard deviations if the sample size is large enough. For interest only all testsample lines are computed using this criteria in the following table:11.399.73% of all q i and z i readings have absolute max q and z values less than ofequal to:FF032.1DO NOT USE THESE VALUES ! 1qmax (mm)3.6055.3303.0786.1193.5273.622zmax (mm)15.4506.4046.1456.5794.8088.34712.1The repeatability standard deviation for both F F and F L is less than 0.2512.2ASTM Test Method E 1155 has no bias by definition5/15/2003 2:37 PMProcedure and CalculationsASTM E 1155M - 96 (Reapproved 2001)Page 6 of 6