【For Medical and Welfare】Ram Penetration Test for Expansion Plan of Steel Frame Building on a Narrow Site
Ground investigation
Supporting expansion plans with high-precision ground surveys even on small sites.
In medical and welfare facilities, expansion plans require minimizing the impact on existing facilities while ensuring safe and reliable ground support. This is particularly challenging in urban areas or sites with limited space, where ground surveys on narrow sites that cannot accommodate large machinery become significant issues. In situations where standard penetration tests are difficult, accurately identifying the support layer can be challenging, potentially leading to design delays or excessive ground improvement. Our automatic ram sounding test uses a compact self-propelled testing machine, providing a solution for smoothly conducting deep ground surveys even in narrow sites or locations with access restrictions. This reduces ground risks in expansion plans and enables safe and rational construction. [Usage Scenarios] - Expansion construction in urban medical and welfare facilities - Sites with narrow access roads where large machinery cannot be brought in - Construction projects that aim to minimize impact on existing facilities - Situations requiring ground surveys in limited spaces [Benefits of Implementation] - High-precision understanding of ground support even in narrow sites - Reduction of excessive pile length design and ground improvement costs - Smooth progress of expansion plans and shortened construction periods - Assurance of a safe and reliable construction foundation
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**Features** - Automatically drops a 63.5kg hammer from a height of 500mm for continuous automatic measurement of the number of impacts (Nd value) for every 200mm of penetration. - Capable of accurately assessing up to a maximum depth of 30m, including hard strata equivalent to an N value of 50. - Equipped with an automatic correction function for surrounding friction effects through torque measurement during impact. - Provides data with a high correlation to standard penetration tests. - Space-saving design with a width of approximately 830 to 1000mm and a height of approximately 2350 to 2570mm. **Our Strengths** Geotec offers "total ground services," providing a one-stop solution for all ground-related tasks, from ground surveys, reinforcement design, and construction for new buildings to settlement correction and soil contamination surveys for existing structures. With extensive experience and reliable technology, we create the future of cities from the ground up.
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Applications/Examples of results
It is ideal for ground surveys for the construction of mid- to low-rise steel buildings, stores, and welfare facilities in narrow sites, flagpole-shaped lots, and densely populated urban areas where large heavy machinery and 3-ton unic cranes have difficulty accessing. In particular, it is used to confirm the depth of the supporting layer when adopting methods such as steel pipe pile construction or small-diameter steel pipe construction with wing tips (e.g., CPP method), as well as for cost optimization by preventing excessive pile lengths. Additionally, it can be widely utilized in practical applications, such as continuous confirmation of the inclination of the supporting layer at multiple locations as a supplementary survey to standard penetration tests, deep ground bearing capacity evaluation of uneven ground at demolition sites, and obtaining structural calculation data necessary for building confirmation applications.
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