PERMFILE44742 - Laserfiche WebLink

Home Browse Search

1 1 1 1 1 1 1 1 I 1 1 1 i 1 1 1 1 1 ~~ FIELD PE RNEABILITY TEST PROJECT: San Luis BOREHOLE NO.: BN - 11 JOB NO.: 14702 DATE: 06/29/88 VARIABLE HEAD METH00 1 N171AL H7. TO HATER: none feet PIPE DIAMETER: n/a cm HT. TO 1lATER ADDED FOR TEST; 0.00 feet PIPE AREA: n/a cm2 TOTAL DEPTH OF BOREHOLE: 50.00 fee[ BOREHOLE DIAMETER: 15-24 cm TOP OF PIPE TO GRWND: 0.00 feet BOREHOLE AREA: 182.41 cm2 Note: No standpipe in borehole PERMEABILITY Date Time Increment Total 4ater Change in Increm. Cumm. Elapsed Elapsed Level Ht, of Perm- Perm- Tine Time Reading Hater obi Lity ability 00/00/00 (Hrs.) (Sec.) (Sec.) (Ft.) (Ft.) K K (cMsec) (cm/sec) 06/29/88 14.32 0.00 06/29/88 14.33 60 60 0.80 0.80 2.9E•04 2.9E-04 06/29/88 14.35 60 120 1.20 0.40 1.5E-04 2.2E-04 06/29/88 14.37 60 180 1.50 0.30 1.1E-04 1.8E•04 06/29/88 14.38 60 240 1.90 0.40 1.5E-04 1.8E-04 D6/29/88 14.40 60 300 2.20 0.30 1.1E-04 1.6E-04 06/29/88 14.42 60 360 2.60 0.40 1.5E-04 1.6E-04 06/29/88 14-43 60 420 2.80 0.20 7.7E-05 1.5E-04 06/29/88 14.45 60 480 3.10 0.30 1.2E-04 1.5E-04 06/29/88 14.47 60 540 3.30 0.20 7.8E-OS 1.4E-04 06/29/88 14.48 60 600 3.50 0.20 7.8E-05 1.3E-04 06/29/88 74.50 60 660 3.60 0.10 3.9E-05 1.2E-04 06/29/88 14.58 300 960 4.50 0.90 7.1E-OS 1.1E-04 06/29/86 14.67 300 1,260 5.20 D.70 5.6E-OS 9.5E-OS 06/29/88 14.75 300 1,560 5.80 0.60 4.9E-05 8.6E-OS 06/29/88 14.83 300 1,860 6.40 0.60 5.0E-05 B.OE-OS 06/29/88 14.92 300 2,160 6.90 0.50 4.2E-05 7.5E-OS 06/29/88 15.00 300 2,460 7.40 0.50 4.3E-OS 7.1E-OS 06/29/88 15.17 600 3,060 8.40 1.00 4.3E-OS d-6E-OS d2• In(=mL) K ° In N. Note: Permeability calculations peformed using the fallow irg formula: h= p =Diameter, Intake, cm d =Diameter, Standpipe L =Length, Intake { =Time, sec F{ = Piezometric Mead Reference: uint erkorn, Hans F. and Feng, Xsai-Yang (1975)- Foundation Engineering Handbook, Yan Nostranad Reinhold Company, New York, 32 p-