Shallow seismic reflection exploration in soft ground using<i>SH</i>waves

Suyama, Kunio; Imai, Tsuneo; Ohtomo, Hideo; Ohta, Kenji; Ohishi, Yoshio

doi:10.1190/1.1827176

Cited by 3 publications

(2 citation statements)

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“…However, empirical data from long term and seismic measurements in engineering geology and reservoir research have shown that correlations exist between static and dynamic elastic constants (Schö n, 1996;Hagin and Zoback, 2004). In particular, it has been shown that the shear wave velocity (or the shear modulus) correlates with the cone penetration resistance and shear strength of sediments (Suyama et al, 1983;Ayres and Theilen, 1999). We see this as an indication that investigating soils by comparing seismic and soil mechanic properties would have good chances of success, as further discussed in Section 5.…”

Section: Seismic Methodsmentioning

confidence: 99%

An interdisciplinary approach towards improved understanding of soil deformation during compaction

Keller

Lamandé

Peth

et al. 2013

Soil and Tillage Research

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International audienceSoil compaction not only reduces available pore volume in which fluids are stored, but it alters the arrangement of soil constituents and pore geometry, thereby adversely impacting fluid transport and a range of soil ecological functions. Quantitative understanding of stress transmission and deformation processes in arable soils remains limited. Yet such knowledge is essential for better predictions of effects of soil management practices such as agricultural field traffic on soil functioning. Concepts and theory used in agricultural soil mechanics (soil compaction and soil tillage) are often adopted from conventional soil mechanics (e.g. foundation engineering). However, in contrast with standard geotechnical applications, undesired stresses applied by agricultural tyres/tracks are highly dynamic and last for very short times. Moreover, arable soils are typically unsaturated and contain important secondary structures (e.g. aggregates), factors important for affecting their soil mechanical behaviour. Mechanical processes in porous media are not only of concern in soil mechanics, but also in other fields including geophysics and granular material science. Despite similarity of basic mechanical processes, theoretical frameworks often differ and reflect disciplinary focus. We review concepts from different but complementary fields concerned with porous media mechanics and highlight opportunities for synergistic advances in understanding deformation and compaction of arable soils. We highlight the important role of technological advances in non-destructive measurement methods at pore (X-ray tomography) and soil profile (seismic) scales that not only offer new insights into soil architecture and enable visualization of soil deformation, but are becoming instrumental in the development and validation of new soil compaction models. The integration of concepts underlying dynamic processes that modify soil pore spaces and bulk properties will improve the understanding of how soil management affect vital soil mechanical, hydraulic and ecological functions supporting plant growth

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Section: Seismic Methodsmentioning

confidence: 99%

An interdisciplinary approach towards improved understanding of soil deformation during compaction

Keller

Lamandé

Peth

et al. 2013

Soil and Tillage Research

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show abstract

“…A relação entre atributos sísmicos (módulos dinâmicos) e propriedades ou parâmetros geotécnicos de solos ou sedimentos rasos tem sido objeto de uma série de trabalhos anteriores, embora essencialmente voltados para aplicações em terra. Dentre estes, pode-se destacar Suyama et al (1983), que demonstram que Vs, mais do que Vp, mostra-se especialmente sensível à variação de um determinado parâmetro geotécnico por estes autores tomado como referência (além do plote cruzado com este parâmetro também apresentar menor dispersão para Vs do que para Vp), o que vem a corroborar os resultados aqui obtidos, que sugerem que atributos sísmicos tendem a apresentar correlação positiva com parâmetros elásticos, sendo esta correlação mais evidente para o caso dos atributos sísmicos derivados da onda S, tais como o módulo de cisalhamento e o módulo de Young.…”

Section: Discussionunclassified

Caracterização geotécnica de solos marinhos empregando atributos derivados da Sísmica - a importância da incorporação da informação elástica

Sobreira¹,

Lipski²,

Pimentel³

et al. 2010

Proceedings of the 4 Simpósio Brasileiro De Geofísica

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Multi‐Method Structural Investigation of the Schneiderberg–Baalberge Burial Mound (Saxony‐Anhalt, Germany) Including Seismic Full‐Waveform Inversion (FWI)

Zolchow,

Köhn,

Wilken

et al. 2024

Archaeological Prospection

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The construction history and subsequent usage of burial mounds are an important testimony for socio‐economic transformation in prehistoric societies. The Baalberge–Schneiderberg burial mound, subject of the presented study, falls in this category as it is considered as an important monument that indicates the emergence of early social stratification during the Chalcolithic period in central Europe. This hypothesis relies on the chronological development of the burial mound, which is not fully understood until now. Therefore, a reconstruction of the complex stratigraphy of the burial mound including construction phases and later alterations is highly relevant for archaeological research, but the required excavations would be onerous and inconsistent with preservation efforts. In this paper, we demonstrate that non‐invasive geophysical prospection, especially seismic sounding with shear and Love waves, is suitable to obtain the required stratigraphic information, if seismic full waveform inversion (FWI) and reflection imaging are applied. Complementary information on the preservation state of the mound is obtained through Electrical Resistivity Tomography (ERT) and Electromagnetic Induction (EMI) measurements. To support the seismic and geoelectric results, we utilize Dynamic Testing (DynP), geoarchaeological corings, 14C‐Dating and archaeological records. Our investigations reveal two construction phases of the Baalberge–Schneiderberg mound. The 14C‐Dating yields dates for the older burial mound that are contemporary to the Chalcolithic Baalberge group (4000–3400 bc). During the Early Bronze Age (EBA), the mound was enlarged to its final size by people of the Aunjetitz/Únětice society (2300–1600 bc). However, both seismic and geoelectric depth sections show an extensive disturbance of the original stratigraphy due to former excavations. For this reason, the exact shape of the older burial mound cannot be determined exactly. Based on our data, we estimate that its height was below 2 m. In consequence, the original Baalberge burial mound was less monumental as until now assumed, which potentially prompting a revision of its significance as indicator for social differentiation.

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Shallow seismic reflection exploration in soft ground usingSHwaves

Cited by 3 publications

References 0 publications

An interdisciplinary approach towards improved understanding of soil deformation during compaction

An interdisciplinary approach towards improved understanding of soil deformation during compaction

Caracterização geotécnica de solos marinhos empregando atributos derivados da Sísmica - a importância da incorporação da informação elástica

Multi‐Method Structural Investigation of the Schneiderberg–Baalberge Burial Mound (Saxony‐Anhalt, Germany) Including Seismic Full‐Waveform Inversion (FWI)

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