[For IT and Communications] Ram Penetration Test for Small Steel Frame Buildings | Geotech
Ground investigation
Supporting data center construction with high-precision ground surveys even on small sites.
In the IT and telecommunications industry, particularly in data center construction, a solid foundation that supports stable operations is essential. However, in urban areas with limited space or narrow front roads, it is challenging to bring in large machinery, making it difficult to accurately determine the depth of the supporting layers. This service utilizes a compact, self-propelled automatic ram sounding testing machine, providing a solution for smoothly conducting deep ground investigations even in these constrained sites. This enhances the reliability of the ground that serves as the foundation for data centers and contributes to long-term stable operations. 【Usage Scenarios】 - Construction of data centers on small urban sites - Sites with narrow front roads where large machinery cannot be brought in - Situations requiring rapid and accurate understanding of ground support layers 【Benefits of Implementation】 - Cost reduction by preventing excessive pile length design - Reduction of unnecessary pile reinforcement costs - Realization of rational structural design - Assurance and reliability of ground quality
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【Features】 - Capable of conducting surveys in narrow spaces where large heavy machinery cannot be brought in. - Automatically drops a 63.5 kg hammer from a height of 500 mm, continuously measuring the number of impacts (Nd value) for every 200 mm of penetration. - Accurately assesses up to a maximum depth of 30 m, equivalent to N value 50 for hard strata. - Automatically corrects for surrounding friction effects through measurement of rotational torque during impacts. - Provides data with a high correlation to standard penetration tests. 【Our Strengths】 Geotech 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 new 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 (CPP method, etc.), 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 soil bearing capacity evaluation of uneven ground at demolition sites, and obtaining structural calculation data necessary for building confirmation applications.
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