Site Investigation | Technical Proposal to Prevent Excessive Pile Lengths for Small Steel Buildings by Comparing Neighboring Data
Ground investigation
By analyzing ground survey and neighboring data, we reduce the excess pile length of small-scale steel buildings. This prevents over-design and balances construction costs with safety.
In steel frame buildings constructed on narrow plots, there is a risk that designers, fearing potential dangers due to insufficient ground investigation data and location restrictions, may fall into "over-design" by extending piles deeper than necessary. Excessive pile lengths lead to increased material costs for steel pipe piles and longer construction durations, putting pressure on the overall construction costs. GeoTech addresses this risk of over-design by integrating space-saving ground investigations conducted in the limited area of the site with a rich database of surrounding ground data. By precisely cross-checking the continuous impact and torque data obtained from on-site investigations with nearby standard penetration test column diagrams, we completely eliminate uncertainty and clearly determine the depth and angle of the bearing layer. We calculate the shortest and optimal pile length on a per-unit basis, directly linked to the load conditions of the superstructure, significantly reducing unnecessary material and construction costs. We propose a highly practical solution that simultaneously establishes structural safety and drastically reduces total construction costs.
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basic information
This is an optimal pile length calculation algorithm that integrates limited in-situ data from narrow sites (such as continuous penetration resistance values and automatic torque values obtained from automatic ram sounding tests) with nearby standard penetration test data. Based on the allowable bearing capacity calculation formulas for advanced steel pipe pile methods with tip wings (such as the ETP method series), it directly interfaces with structural calculation programs. It calculates the verification values for axial force, bending, shear, etc., against the superstructure load, and has the functionality to optimize and automatically determine the pile length, thickness, and material down to the millimeter.
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Applications/Examples of results
It is widely optimal for foundation design work of steel-framed office buildings, retail buildings, and apartments in urban areas where there is a tendency to fall into excessive design. It can be extensively utilized by architects and design and structural engineering firms that want to significantly reduce ground reinforcement construction costs under limited site conditions and maximize cost performance for the client. By preventing the adoption of excessive pile lengths and thick pile diameters, it demonstrates extremely high effectiveness in foundation proposal and examination practices aimed at improving construction efficiency in narrow sites, shortening construction periods, and reducing the burden on the surrounding environment.
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