【For factory expansion】Ram penetration test for small site steel frame buildings | Geotech
Ground investigation
Supporting factory expansion with high-precision ground surveys even on small sites.
In the factory and production industry, the expansion of factories often involves construction on existing sites or in consideration of the surrounding environment, leading to an increase in building on narrow plots where the transport of large heavy machinery is difficult. In such locations, accurately understanding the depth of the supporting layer is essential for achieving safe and rational structural design. Inadequate ground surveys can lead to excessive pile length designs, increased costs, or risks such as ground subsidence. This service uses a compact self-propelled automatic ram sounding testing machine, providing an optimal solution for smoothly conducting deep ground surveys even in narrow sites or areas with access restrictions. 【Usage Scenarios】 - Expansions in urban areas or within existing factory sites - Sites with narrow front roads or limited access routes - Situations requiring ground surveys within a short timeframe 【Benefits of Implementation】 - Cost reduction by preventing excessive pile length designs - Realization of rational structural design - Assurance and reliability of ground quality
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【Features】 - Automatically drops a hammer weighing 63.5 kg from a height of 500 mm for continuous automatic measurement of the number of impacts (Nd value) at every 200 mm of penetration. - Capable of handling hard soil layers up to a maximum depth of 30 m, equivalent to an N value of 50. - Equipped with an automatic correction function for surrounding friction effects through measurement of rotational torque during impact. - Provides highly accurate data with a strong correlation to standard penetration tests. - Compact design with dimensions approximately 830 to 1000 mm in width and 2350 to 2570 mm in height. 【Our Strengths】 Geotech offers "total ground services," providing a one-stop solution for all ground-related tasks, from ground surveys and reinforcement design/construction for new buildings to settlement correction work for existing structures and soil contamination investigations. 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 where large heavy machinery and 3-ton unic trucks have difficulty accessing, such as flagpole lots and densely populated urban areas. 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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