Correlating standard penetration test and dynamic probe super heavy penetration resistance values in sandy soils
| dc.contributor.author | MacRobert, Charles | |
| dc.contributor.author | Kalumba, Denis | |
| dc.contributor.author | Beales, Patrick | |
| dc.date.accessioned | 2017-05-09T06:45:46Z | |
| dc.date.available | 2017-05-09T06:45:46Z | |
| dc.date.issued | 2011 | |
| dc.date.updated | 2016-01-07T11:27:13Z | |
| dc.description.abstract | This paper presents a statistical method used to develop an empirical equivalence between the Standard Penetration Test (SPT) and the Dynamic Probe Super Heavy (DPSH) in sandy material. Penetration resistance values from the two tests are often taken as equivalent for design purposes, as the same drive energy is used in both. SPT and DPSH resistance values from different geological depositional and weathering environments were examined. The data came from the following areas across southern Africa: Matola in Mozambique, Gope in Botswana, Umdloti and Cape Town in South Africa, and Illha de Luanda in Angola. It was apparent that energy losses were greater in the DPSH test than in the SPT, leading to higher resistance values in the former. The SPT is carried out within a borehole, whereas the DPSH is continuously driven into the soil. The dynamic force applied to the DPSH rods causes soil to fill the small air annulus around the rods, exerting a frictional resistance. The different geological settings of the test sites revealed that, although different factors cause the friction, the equivalence varied in a similar manner. Hence a single correlation formula is suggested to determine equivalent SPT values from raw DPSH resistance values. | |
| dc.identifier.apacitation | MacRobert, C., Kalumba, D., & Beales, P. (2011). Correlating standard penetration test and dynamic probe super heavy penetration resistance values in sandy soils. <i>Journal of the South African Institution of Civil Engineering</i>, http://hdl.handle.net/11427/24256 | en_ZA |
| dc.identifier.chicagocitation | MacRobert, Charles, Denis Kalumba, and Patrick Beales "Correlating standard penetration test and dynamic probe super heavy penetration resistance values in sandy soils." <i>Journal of the South African Institution of Civil Engineering</i> (2011) http://hdl.handle.net/11427/24256 | en_ZA |
| dc.identifier.citation | MacRobert, C., Kalumba, D., & Beales, P. (2011). Correlating standard penetration test and dynamic probe super heavy penetration resistance values in sandy soils. Journal of the South African Institution of Civil Engineering, 53(1), 46-54. | |
| dc.identifier.ris | TY - Journal Article AU - MacRobert, Charles AU - Kalumba, Denis AU - Beales, Patrick AB - This paper presents a statistical method used to develop an empirical equivalence between the Standard Penetration Test (SPT) and the Dynamic Probe Super Heavy (DPSH) in sandy material. Penetration resistance values from the two tests are often taken as equivalent for design purposes, as the same drive energy is used in both. SPT and DPSH resistance values from different geological depositional and weathering environments were examined. The data came from the following areas across southern Africa: Matola in Mozambique, Gope in Botswana, Umdloti and Cape Town in South Africa, and Illha de Luanda in Angola. It was apparent that energy losses were greater in the DPSH test than in the SPT, leading to higher resistance values in the former. The SPT is carried out within a borehole, whereas the DPSH is continuously driven into the soil. The dynamic force applied to the DPSH rods causes soil to fill the small air annulus around the rods, exerting a frictional resistance. The different geological settings of the test sites revealed that, although different factors cause the friction, the equivalence varied in a similar manner. Hence a single correlation formula is suggested to determine equivalent SPT values from raw DPSH resistance values. DA - 2011 DB - OpenUCT DP - University of Cape Town J1 - Journal of the South African Institution of Civil Engineering LK - https://open.uct.ac.za PB - University of Cape Town PY - 2011 T1 - Correlating standard penetration test and dynamic probe super heavy penetration resistance values in sandy soils TI - Correlating standard penetration test and dynamic probe super heavy penetration resistance values in sandy soils UR - http://hdl.handle.net/11427/24256 ER - | en_ZA |
| dc.identifier.uri | http://hdl.handle.net/11427/24256 | |
| dc.identifier.vancouvercitation | MacRobert C, Kalumba D, Beales P. Correlating standard penetration test and dynamic probe super heavy penetration resistance values in sandy soils. Journal of the South African Institution of Civil Engineering. 2011; http://hdl.handle.net/11427/24256. | en_ZA |
| dc.language.iso | eng | |
| dc.publisher.department | Department of Civil Engineering | en_ZA |
| dc.publisher.faculty | Faculty of Engineering and the Built Environment | |
| dc.publisher.institution | University of Cape Town | |
| dc.source | Journal of the South African Institution of Civil Engineering | |
| dc.source.uri | http://www.scielo.org.za/revistas/jsaice/iaboutj.htm#01 | |
| dc.subject.other | Standard Penetration Test (SPT) | |
| dc.subject.other | Dynamic Probe Super Heavy (DPSH) | |
| dc.subject.other | Empirical Equivalence | |
| dc.title | Correlating standard penetration test and dynamic probe super heavy penetration resistance values in sandy soils | |
| dc.type | Journal Article | en_ZA |
| uct.type.filetype | Text | |
| uct.type.filetype | Image | |
| uct.type.publication | Research | en_ZA |
| uct.type.resource | Article | en_ZA |