The most common boring survey that supports the design and construction of construction work.
This is the most commonly conducted ground investigation during the design and construction of building works. By excavating the investigation site and directly observing the soil, the stratification is clarified. To understand the hardness and compaction of the soil in its natural state, a standard penetration test is conducted to measure the N value. Additionally, it accommodates in-situ tests such as in-hole horizontal loading tests using boreholes, as well as sampling of undisturbed soil samples.
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basic information
This is a reliable technical specification registered by the Minister of Land, Infrastructure, Transport and Tourism. Using devices such as hydraulic feed systems, standard penetration tests and groundwater level measurements (such as dry digging) are conducted. The collected samples with minimal disturbance are subjected to laboratory tests to determine soil constants such as unit weight, cohesion, and consolidation characteristics. As deliverables, data sheets, boring logs, and estimated geological cross-sections (if conducted at two or more locations) are created, and detailed information is provided.
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Applications/Examples of results
It is applied to geological surveys of RC buildings and condominiums, as well as various construction works. As examples of achievements, it has been widely introduced for liquefaction assessment of the ground and consolidation settlement calculations required during the design phase, as well as for setting soil parameters for various studies. Furthermore, it has a wealth of application results aimed at advanced safety design, such as determining the deformation and bearing capacity of the supporting ground for structures through in-situ horizontal loading tests, as well as the lateral ground reaction coefficient of piles.
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