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The mechanical properties of the Martian soil at the InSight landing site

Delage, P. and Marteau, E. and Golombek, M. and Hurst, K. and Banerdt, B. and Piqueux, S. and Kedar, S. and Lemmon, M. and Williams, N.R. and Brinkmann, Nienke and Edme, P. and Robertsson, J. and Sollberger, D. and Stähler, S. and Schmelzbach, C. and Lognonne, A.P. and Onodera, K and Vrettos, C. and Asan-Mangold, V. and Grott, Matthias and Müller, Nils and Murdoch, N. and Spohn, Tilman and Warner, N. and Widmer-Schnidrig, R. and Caicedo-Hormaza, B. and Castillo-Betancourt, J.P and Lange, L and Verdier, N (2023) The mechanical properties of the Martian soil at the InSight landing site. In: Proceedings of the 20th ICSMGE, pp. 567-581. 20th ICSMGE-State of the Art and Invited Lectures, 2023-09-03 - 2023-09-06, Porto, Portugal. ISBN 978-0-9946261-6-5.

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Official URL: https://www.issmge.org/uploads/publications/1/120/20ICSMGE_SoA_14_Delage_et_al.pdf

Abstract

The InSight mission is a NASA geophysical mission aimed at better understanding the structure of Mars and of the other rocky planets of the solar system. To do so, various instruments are used, including a very sensitive seismometer (SEIS) and a dynamic self-penetrating heat probe (HP3) that have been placed on the Mars surface by the Instrument Deployment Arm (IDA). Besides geophysical data (which have definitely enriched and completed existing knowledge on the structure of Mars), the InSight instruments, together with orbiter observations and tests carried out on the soil with the IDA, have significantly increased the knowledge of the geological and geotechnical characteristics of the surface material at the InSight site, which is made up of a basaltic sand. In-situ data were also successfully compared with terrestrial previous estimates from terrestrial lab tests, carried out on various soil simulants. Small strain (elastic) parameters at small strains were derived from wave velocity measurements between the selfpenetrating probe and the seismometer. Strength data were derived from both IDA operations and penetration data. The soil includes some pebbles within a somewhat cohesive sandy matrix, limiting the heat probe penetration to only 40 cm length. Thermal data were also obtained, allowing for some thermo-elastic modelling of the effect of the Phobos (one of the “Moons” of Mars) eclipses. Elastic data were also derived from the effects of wind on the ground, detected by SEIS.

Item URL in elib:https://elib.dlr.de/196895/
Document Type:Conference or Workshop Item (Speech)
Title:The mechanical properties of the Martian soil at the InSight landing site
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Delage, P.Ecole des Ponts ParisTech, Navier-CERMES, Paris, FranceUNSPECIFIEDUNSPECIFIED
Marteau, E.Jet Propulsion Laboratory, Pasadena, CA, USAUNSPECIFIEDUNSPECIFIED
Golombek, M.Jet Propulsion Laboratory, Pasadena, CA, USAUNSPECIFIEDUNSPECIFIED
Hurst, K.JPL, California Institute of Technology, Pasadena, CA, USAUNSPECIFIEDUNSPECIFIED
Banerdt, B.Jet Propulsion Laboratory, Pasadena, CA, USAUNSPECIFIEDUNSPECIFIED
Piqueux, S.Jet Propulsion Laboratory, California Institute of Technology (Pasadena, CA, 91109)UNSPECIFIEDUNSPECIFIED
Kedar, S.jet propulsion laboratory, pasadena, ca, usaUNSPECIFIEDUNSPECIFIED
Lemmon, M.Lunar and Planetary Laboratory, University of Arizona, Tucson, USAUNSPECIFIEDUNSPECIFIED
Williams, N.R.Jet Propulsion Laboratory, NASA - California Institute of Technology, Pasadena, CA, USAUNSPECIFIEDUNSPECIFIED
Brinkmann, NienkeETH ZürichUNSPECIFIEDUNSPECIFIED
Edme, P.ETH Zürich, SwitzerlandUNSPECIFIEDUNSPECIFIED
Robertsson, J.ETH Swiss Federal Institute of Technology, Zurich, SwitzerlandUNSPECIFIEDUNSPECIFIED
Sollberger, D.ETH Swiss Federal Institute of Technology, Zurich, SwitzerlandUNSPECIFIEDUNSPECIFIED
Stähler, S.ETH, SwitzerlandUNSPECIFIEDUNSPECIFIED
Schmelzbach, C.ETH Swiss Federal Institute of Technology, Zurich, SwitzerlandUNSPECIFIEDUNSPECIFIED
Lognonne, A.P.Institut de Physique du Globe de ParisUNSPECIFIEDUNSPECIFIED
Onodera, KInstitut de Physique du Globe de Paris, Paris, FranceUNSPECIFIEDUNSPECIFIED
Vrettos, C.Technical University of Kaiserlautern, Department of Civil Engineering, GermanyUNSPECIFIEDUNSPECIFIED
Asan-Mangold, V.Université́ de Nantes, CNRS, Nantes, FranceUNSPECIFIEDUNSPECIFIED
Grott, MatthiasUNSPECIFIEDhttps://orcid.org/0000-0002-8613-7096UNSPECIFIED
Müller, NilsUNSPECIFIEDhttps://orcid.org/0000-0001-9229-8921UNSPECIFIED
Murdoch, N.ISEA-SUPERO, Université de ToulouseUNSPECIFIEDUNSPECIFIED
Spohn, TilmanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warner, N.SUNY at GeneseoUNSPECIFIEDUNSPECIFIED
Widmer-Schnidrig, R.Institut für Geophysik, Universität Stuttgart, Stuttgart, GermanyUNSPECIFIEDUNSPECIFIED
Caicedo-Hormaza, B.Universidad de los Andes, Bogota, ColombiaUNSPECIFIEDUNSPECIFIED
Castillo-Betancourt, J.PUniversidad de los Andes, Bogota, ColombiaUNSPECIFIEDUNSPECIFIED
Lange, LLaboratoire de Météorologie Dynamique/Institut Pierre Simon Laplace (LMD/IPSL), Sorbonne Université, CNRS, École Polytechnique, École Normale Supérieure (ENS) , Campus Pierre et Marie Curie BC99, Paris, FranceUNSPECIFIEDUNSPECIFIED
Verdier, NCNES French National Center for Space StudiesUNSPECIFIEDUNSPECIFIED
Date:2023
Journal or Publication Title:Proceedings of the 20th ICSMGE
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 567-581
ISBN:978-0-9946261-6-5
Status:Published
Keywords:InSight Mars Regolith
Event Title:20th ICSMGE-State of the Art and Invited Lectures
Event Location:Porto, Portugal
Event Type:international Conference
Event Start Date:3 September 2023
Event End Date:6 September 2023
Organizer:INTERNATIONAL SOCIETY FOR SOIL MECHANICS AND GEOTECHNICAL ENGINEERING
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project InSight - HP3
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Sensor Systems
Institute of Planetary Research > Planetary Physics
Institute of Planetary Research > Leitungsbereich PF
Deposited By: Grott, Dr.rer.nat. Matthias
Deposited On:31 Aug 2023 15:33
Last Modified:24 Apr 2024 20:57

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