Ground Survey for Steel Frame Buildings on Narrow Sites for General Contractors | Geotech
Ground investigation
Optimize pile length using neighboring data and on-site surveys to balance cost and safety.
In the construction of steel frame buildings on narrow sites, general contractors often face challenges due to the influence of adjacent buildings and restrictions on road widths, which can make it difficult to bring in large boring survey machinery. This can lead to an inability to accurately understand the slope of the supporting layer, resulting in cases of excessive pile length settings. GeoTech addresses this issue by combining the analysis of neighboring data from its extensive geotechnical information database "GEODAS," accumulated mainly in the metropolitan area, with precise on-site surveys using small self-propelled machines. By analyzing surrounding boring column diagrams and N-value distributions, we can predict the slope trends of the supporting layer. We obtain actual data through sounding tests tailored to site constraints and cross-reference both to determine the optimal pile length, even in complex ground conditions. This approach balances the reduction of material and construction costs with the necessary support strength for the structure. 【Usage Scenarios】 - Construction of steel frame buildings on narrow urban sites - Sites where the transport of large machinery is difficult - Cases with constraints due to adjacent buildings or road widths - Situations requiring accurate understanding of the slope and depth of the supporting layer 【Benefits of Implementation】 - Prevention of excessive design and optimization of pile length - Significant reduction in material and construction costs - Reliable assurance of the allowable bearing capacity required for the structure - Balancing safety and economy
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【Features】 - Surrounding analysis using the neighboring ground database "GEODAS" - Precise on-site surveys using compact and space-saving investigation equipment - Implementation of optimal sounding tests tailored to site constraints - Identification of complex layer thickness variations and local support layer depths - Calculation of the shortest optimal pile length without excess or deficiency 【Our Strengths】 GEO-TECH provides "total ground services," offering 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 the foundation design practice of mid- to low-rise steel buildings, mixed-use residential buildings, and apartment complexes constructed in densely populated urban areas and on small lots. It demonstrates its effectiveness in sites where adjacent buildings are extremely close, making it difficult to position large boring equipment, or in site conditions that require small transportation due to road conditions. It contributes to the decision-making of design offices and contractors who want to capture the slope of the supporting layer in sites with limited investigation areas, preventing unnecessary extension of pile lengths and inappropriate under-design. It can be widely utilized in architectural projects aiming to simultaneously reduce pile construction costs and ensure safety.
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