C.P.T.U. TEST REPORT CPTU /14

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C.P.T.U. TEST REPORT CPTU 251-3/14 Customer: ARAQUARI EXPERIMENTAL SITE Job: Araquari Experimental Site Location: Mineração Veiga Araquari/ SC 1. SUMMARY This report contains the results of the CPTU tests performed to characterize the soil profile at the Araquari Experimental Site located in Mineração Veiga Araquari/SC. An amount of 6 (six) CPTU penetrations were performed. The depth and coordinates of the tests performed are presented in the table 1. Boring Nº Table 1: Depth and coordinates of the tests performed Coordinates E N Elevation (m) CPTU 1 Geoforma 3.44 72726.5 768847.6 8.82 CPTU 2 Geoforma 31. 72735. 768833. 8.84 CPTU 3 Geoforma 3.16 72717. 768842.8 8.6 CPTU 4 Geoforma 29.14 72724.8 76883.2 8.66 CPTU 5 Geoforma 28.5 72713. 768797. 7.8 CPTU 6 Geoforma 27.94 726996. 768785. 7.7 The tests results had been used to prepare the following derived data: (1) A combined plot of the corrected cone resistance (q t ) versus depth; (2) A combined plot of excess pore pressure (u 2 ) due to penetration versus depth; (3) A combined plot of sleeve friction (f s ) versus depth; (4) A combined plot of excess pore pressure ratio (B q ) versus depth; and (5) A combined plot of friction ratio (R f ) versus depth. Geoforma Engenharia Ltda. CNPJ: 85.37.948/11 Rua General Câmara, 153 - Bom Retiro - CEP 892225 - Joinville - SC - Brasil Fone/Fax (47) 3435776 - geoforma@geoforma.com.br - www.geoforma.com.br

An explanation of the symbols used above is given in Table 2. Term Table 2: Symbol key for CPTU data Description q t Corrected tip resistance; q t = q c + (1- α).u 2 q c Measured tip resistance α Cone area ratio; α =.7 u o Hydrostatic water pressure f s Measured sleeve friction R f B q Friction ratio; R f = f s 1 Pore water pressure parameter; σ vo Total overburden stress q c B q U 2 uo = q σ T vo 2. TESTS RESULTS - PROFILING The tests results and location are presented in individual sheets attached to this report: CPTU Tests Results (Appendix A) and Geotechnical Investigation Location Drawing (Appendix B). Joinville, March, 29 th 214. GEOFORMA ENGENHARIA LTDA. Eng. Edgar Odebrecht CREA SC 3.913 Geoforma Engenharia Ltda. CNPJ: 85.37.948/11 Rua General Câmara, 153 - Bom Retiro - CEP 892225 - Joinville - SC - Brasil Fone/Fax (47) 3435776 - geoforma@geoforma.com.br - www.geoforma.com.br

REFERENCES - Chen, B.S. & Mayne, P.W. (1996) - Statistical relationships between piezocone measurements and stress history of clays. Canadian Geotechnical Journal, Vol 33, 48898. - Houlsby, G.T. & Teh C.I. (1988) - Analysis of the piezocone in clay. ISOPT, Balkema, Vol 2, 77783. - Jamiolkowsky M., Ladd, C.C., Germaine, J.T. & Lancellotta, R. (1985) - New developments of field and laboratory testing of soils. XI ICSMFE, San Francisco, Vol 1, 573. - Robertson, P.K. & Campanella, R.G. (1993) - Interpretation of cone penetration tests. Canadian Geotechnical Journal, Vol 2, 71845. - Schnaid, F. Sills, G.C., Soares, J.M. & Nyirenda, Z. (1997) - Predictions of the coefficient of consolidation from piezocone tests. Canadian Geotechnical Journal. - Schnaid, F. e Odebrecht, E (212) - Ensaios de campo e suas aplicações à engenharia. 2.ed. São Paulo: Oficina de Textos. - Senneset, K. & Janbu, N. (1984) - Shear strength parameters obtained from static penetration tests. ASTM Symposium, California. - Soares, J.M. (1997) - Estudo do comporamento do depósito de argilas moles da região da Grande Porto Alegre, Tese de Doutorado, UFRGS. Geoforma Engenharia Ltda. CNPJ: 85.37.948/11 Rua General Câmara, 153 - Bom Retiro - CEP 892225 - Joinville - SC - Brasil Fone/Fax (47) 3435776 - geoforma@geoforma.com.br - www.geoforma.com.br

Appendix A CPTU Tests Results Geoforma Engenharia Ltda. CNPJ: 85.37.948/11 Rua General Câmara, 153 - Bom Retiro - CEP 892225 - Joinville - SC - Brasil Fone/Fax (47) 3435776 - geoforma@geoforma.com.br - www.geoforma.com.br

C.P.T.U. PROFILE LOG - According NBR 1269/MB46 1 qt (KPa) 5 1 15 2 25 3 Pre-hole 1. m U, Uo (KPa) 2 4 6 8 1 Pre-hole 1. m U2 1 Uo 1 fs (KPa) 25 5 75 1 125 15 175 2 Pre-hole 1. m Bq -.4..4.8 1.2 Pre-hole 1. m 1 1 Rf (%) 2 4 6 8 1 Pre-hole 1. m Customer: Araquari Experimental Site Date: 11/3/14 Geotechnical Engineer: Job: Araquari Experimental Site Coordinates: E: 72726.5; N: 768847.6 Location: Mineração Veiga - Araquari - SC Boring Nº: CPTU 1 Geoforma Eng. Edgar Odebrecht - CREA SC 3.913 Job Nº: CPTU 251-3/14 * Water Level Elevation (m): 8.82 W.L. (m):*. Dissipation

C.P.T.U. PROFILE LOG - According NBR 1269/MB46 1 qt (KPa) 5 1 15 2 25 3 Pre-hole 1. m U, Uo (KPa) 2 4 6 8 1 Pre-hole 1. m U2 1 Uo 1 fs (KPa) 25 5 75 1 125 15 175 2 Pre-hole 1. m Bq -.4..4.8 1.2 Pre-hole 1. m 1 1 Rf (%) 2 4 6 8 1 Pre-hole 1. m Customer: Araquari Experimental Site Date: 12/3/14 Geotechnical Engineer: Job: Araquari Experimental Site Coordinates: E: 72735.; N: 768833. Location: Mineração Veiga - Araquari - SC Boring Nº: CPTU 2 Geoforma Eng. Edgar Odebrecht - CREA SC 3.913 Job Nº: CPTU 251-3/14 * Water Level Elevation (m): 8.84 W. L. (m):*. Dissipation

C.P.T.U. PROFILE LOG - According NBR 1269/MB46 1 qt (KPa) 5 1 15 2 25 3 Pre-hole 1. m U, Uo (KPa) 2 4 6 8 1 Pre-hole 1. m U2 1 Uo 1 fs (KPa) 25 5 75 1 125 15 175 2 Pre-hole 1. m Bq -.4..4.8 1.2 Pre-hole 1. m 1 1 Rf (%) 2 4 6 8 1 Pre-hole 1. m Customer: Araquari Experimental Site Date: 12/3/14 Geotechnical Engineer: Job: Araquari Experimental Site Coordinates: E: 72717.; N: 768842.8 Location: Mineração Veiga - Araquari - SC Boring Nº: CPTU 3 Geoforma Eng. Edgar Odebrecht - CREA SC 3.913 Job Nº: CPTU 251-3/14 * Water Level Elevation (m): 8.6 W.L. (m):*. Dissipation

C.P.T.U. PROFILE LOG - According NBR 1269/MB46 1 qt (KPa) 5 1 15 2 25 3 Pre-hole 1. m U, Uo (KPa) 2 4 6 8 1 Pre-hole 1. m U2 1 Uo 1 fs (KPa) 25 5 75 1 125 15 175 2 Pre-hole 1. m Bq -.4..4.8 1.2 Pre-hole 1. m 1 1 Rf (%) 2 4 6 8 1 Pre-hole 1. m Customer: Araquari Experimental Site Date: 12/3/14 Geotechnical Engineer: Job: Araquari Experimental Site Coordinates: E: 72724.8; N: 76883.2 Location: Mineração Veiga - Araquari - SC Boring Nº: CPTU 4 Geoforma Eng. Edgar Odebrecht - CREA SC 3.913 Job Nº: CPTU 251-3/14 * Water Level Elevation (m): 8.66 W. L. (m):*. Dissipation

C.P.T.U. PROFILE LOG - According NBR 1269/MB46 1 qt (KPa) 5 1 15 2 25 3 Pre-hole 1. m U, Uo (KPa) 2 4 6 8 1 Pre-hole 1. m U2 1 Uo 1 fs (KPa) 25 5 75 1 125 15 175 2 Pre-hole 1. m Bq -.4..4.8 1.2 Pre-hole 1. m 1 1 Rf (%) 2 4 6 8 1 Pre-hole 1. m Customer: Araquari Experimental Site Date: 13/3/14 Geotechnical Engineer: Job: Araquari Experimental Site Coordinates: E: 72713.; N: 768797. Location: Mineração Veiga - Araquari - SC Boring Nº: CPTU 5 Geoforma Eng. Edgar Odebrecht - CREA SC 3.913 Job Nº: CPTU 251-3/14 * Water Level Elevation (m): 7.8 W.L. (m):*. Dissipation

C.P.T.U. PROFILE LOG - According NBR 1269/MB46 1 qt (KPa) 5 1 15 2 25 3 Pre-hole 1. m U, Uo (KPa) 2 4 6 8 1 Pre-hole 1. m U2 1 Uo 1 fs (KPa) 25 5 75 1 125 15 175 2 Pre-hole 1. m Bq -.4..4.8 1.2 Pre-hole 1. m 1 1 Rf (%) 2 4 6 8 1 Pre-hole 1. m Customer: Araquari Experimental Site Date: 13/3/14 Geotechnical Engineer: Job: Araquari Experimental Site Coordinates: E: 726996.; N: 768785. Location: Mineração Veiga - Araquari - SC Boring Nº: CPTU 6 Geoforma Eng. Edgar Odebrecht - CREA SC 3.913 Job Nº: CPTU 251-3/14 * Water Level Elevation (m): 7.7 W.L. (m):* -.8 Dissipation

Appendix B Geotechnical Investigation Location Drawing Geoforma Engenharia Ltda. CNPJ: 85.37.948/11 Rua General Câmara, 153 - Bom Retiro - CEP 892225 - Joinville - SC - Brasil Fone/Fax (47) 3435776 - geoforma@geoforma.com.br - www.geoforma.com.br

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