an engineering geological characterisation of tropical clays - GBV
an engineering geological characterisation of tropical clays - GBV
an engineering geological characterisation of tropical clays - GBV
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Appendix A: Oedometer consolidation tests<br />
Complete results for the loading/ unloading stages <strong>of</strong> black <strong>clays</strong> <strong>an</strong>d red soils<br />
Table A1. Consolidation parameters for black <strong>clays</strong>, Sample No. SA2-70cm.<br />
Calculation sheet Sample No.: SA2-70cm<br />
P (kPa) DH (mm) E (%) e av ( m²/kN) mv (m²/MN) t50 (min) Cv (m²/year) K (m/s) Cc Cs Cα<br />
0 0,000 0,000 0,709 - - - - - -<br />
100 0,043 0,307 0,704 0,000052 0,031 1,00 5,080 4,837E-11 0,30 0,070 0,0002<br />
200 0,408 2,914 0,659 0,000446 0,262 9,50 0,519 4,210E-11 0,004<br />
400 0,935 6,679 0,595 0,000322 0,194 28,00 0,165 9,914E-12 0,007<br />
800 1,556 11,114 0,519 0,000190 0,119 60,00 0,070 2,597E-12 0,009<br />
1600 2,292 16,371 0,429 0,000112 0,074 60,00 0,063 1,448E-12 0,011<br />
2400 2,708 19,343 0,379 0,000063 0,044 95,00 0,036 4,983E-13 0,007<br />
1600 2,601 18,579 0,392<br />
400 1,942 13,871 0,472<br />
100 1,235 8,821 0,558<br />
Table A2. Consolidation parameters for black <strong>clays</strong>, Sample No. SA37-50cm.<br />
Calculation sheet<br />
Sample No.: SA37-50cm<br />
P (kPa) DH (mm) E (%) e av ( m²/kN) mv (m²/MN) t50 (min) Cv (m²/year) K (m/s) Cc Cs Cα<br />
0 0,000 0,000 1,098 - - - - - -<br />
25 0,258 1,843 1,060 0,001547 0,737 2,90 1,725 3,942E-10 0,003<br />
50 0,813 5,807 0,977 0,003328 1,615 7,00 0,673 3,372E-10 0,40 0,08 0,004<br />
100 1,511 10,793 0,872 0,002092 1,059 12,00 0,357 1,172E-10 0,008<br />
200 2,283 16,307 0,756 0,001157 0,618 27,00 0,141 2,703E-11 0,010<br />
400 3,085 22,036 0,636 0,000601 0,342 45,00 0,074 7,849E-12 0,015<br />
800 3,875 27,679 0,518 0,000296 0,181 55,00 0,052 2,935E-12 0,017<br />
1600 4,290 30,643 0,455 0,000078 0,051 95,00 0,027 4,275E-13<br />
100 3,700 26,429 0,544<br />
25 3,400 24,286 0,589<br />
12 3,087 22,050 0,636<br />
Table A3. Consolidation parameters for black <strong>clays</strong>, Sample No. SB1-70cm.<br />
P (kPa) DH (mm) E (%) e av ( m²/kN) mv (m²/MN) t50 (min) Cv (m²/year) K (m/s) Cc Cs Cα<br />
0 0,000 0,000 1,045 - - - - - -<br />
50 0,259 1,850 1,007 0,000757 0,370 0,48 10,421 1,195E-09 0,0002<br />
100 0,770 5,500 0,933 0,001493 0,744 2,00 2,364 5,451E-10 0,002<br />
200 1,585 11,321 0,814 0,001191 0,616 1,80 2,375 4,535E-10 0,3 0,043 0,004<br />
400 2,320 16,571 0,706 0,000537 0,296 11,00 0,343 3,148E-11 0,005<br />
800 2,725 19,464 0,647 0,000148 0,087 18,00 0,190 5,113E-12 0,006<br />
1600 3,303 23,593 0,563 0,000106 0,064 40,00 0,078 1,558E-12 0,012<br />
2400 3,638 25,986 0,514 0,000061 0,039 92,00 0,031 3,802E-13 0,008<br />
1600 3,605 25,750 0,518<br />
400 3,321 23,721 0,560<br />
50 2,666 19,043 0,656
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