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The description of groundwater is directly dependent on the structure of the subsoil. In soil, a principal differentiation is made between:
(Video: Distribution of water in the soil according to Hölting) Video: Distribution of the water inside the soil (according to Hölting, 1994) [Image: S&P GmbH]. This … |
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Since the compressive strength of a corpus depends on the experimental standard and does thus not represent a clear unit, the uniaxial compressive strength of a rock should always be determined by means of a uniaxial pressure test according to DIN 18316 [DIN18316]. The uniaxial compressive strength of rock can by estimated by means of field tests according to EN ISO 14689 [ [DINENISO14689-1:2004]. (Table: Field tests to estimate the uniaxial compressive … |
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation (Table: European standards for soil and rock classification in connection with trenchless installation of pipelines [FI-Steina]) |
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation (Image: Diagram of soil and rock classification in accordance with DIN 18319 [DIN18319]) |
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation (Table: Classes F: Rock material [DIN18319]) |
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation (Table: Classification of different types of soils according to steerability) |
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation This classification proposal by Spang [Spang87] that can be used especially for pipe jacking with shield machines with partial excavation by hand (hand shields) or with mechanial partial excavation, is based on a classification system for tunnel construction in soil described in [Proct77]. (Table: Classification according to the working face behaviour) |
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Sep 23, 2008 Utility Tunnelling - Geotechnical investigations Soil and rock classification related to trenchless installation
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