Seismometers are densely arranged along the survey line, enabling extensive and high-precision understanding of ground conditions!
At Kōa Development, we conduct "elastic wave exploration," which generates vibrations near the surface (using explosives or similar methods) and investigates geological structures and engineering information such as soil hardness through the differences in the speed at which elastic waves (P-waves) travel through the ground. We also evaluate stratification, rock classification, and geological area classification based on the results of the elastic wave exploration. Currently, high-density elastic wave exploration, which allows for detailed placement of receiving points and analysis of velocity inversion layers, has become mainstream. 【Features】 〈High-Density Elastic Wave Exploration〉 ■ Can grasp a wide range of ground structures in a short time ■ Can detect velocity inversion layers that could not be analyzed with conventional elastic wave exploration ■ Ground experts analyze and evaluate the exploration results ■ Provides engineering information about the ground estimated from elastic wave speeds *For more details, please refer to the PDF document or feel free to contact us.
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Koa Development was founded in 1953 (Showa 28), and thanks to your support, we have surpassed our 60th anniversary. We sincerely appreciate your long-standing support. Our company started as a geological survey firm and now primarily focuses on consulting services related to ground and groundwater, as well as soil environment consulting and purification and restoration projects to maintain a rich global environment. In our country, natural disasters such as the Great East Japan Earthquake and the Hiroshima heavy rain disaster have frequently occurred due to earthquakes, concentrated heavy rains, and typhoons. This is exacerbated by Japan's unique vulnerable ground and steep terrain, which amplify the scale of disasters. In such a natural environment, the role of our company as a group of ground experts (Geo-Doctors) has become increasingly important. We aim to further refine the foundational technologies related to ground and soil environments to provide optimal solutions and contribute to society, ensuring the development of social infrastructure that allows everyone to live safely and securely, as well as building a sustainable society. We will continue to prioritize our customers and strive for further development of our business, so we kindly ask for your guidance and encouragement.