Overview

A unique characteristic of OYO, which distinguishes itself from the peers in the industry, is: that it is a manufacturer of instruments as well as a geotechnical consultant. This tradition emerged in the early days, when there were not suitable measurement instruments available for OYO, to conduct its investigation activities. Having no choice but to make them by themselves, OYO developed, tested, and improved various instruments over the years.

Construction

Geotechnical testing, LLT

Geotechnical purposes, such as LLT and elasto-meters. These instruments facilitate geotechnical investigations from: shallow soft soil to deep hard rock structures on the ground and in the sea, as well as for both infrastructure and architectural building purposes. As early as in 1965, OYO introduced “borehole logging” investigation to the Seto-Ohashi construction project, a long bridge connecting the Japanese mainland and Shikoku Island. This method was applied at numerous boring holes, in order to analyze the “rock layer” which supported the bridge basement.

Environment

Environmental monitoring, S&DL mini

We need to monitor the condition and movement of polluted underground water. S&DL mini allows measurement of electrical conductivity as well as water levels and temperatures. Moreover, they are used to see the influence of construction works on underground water tables, levels in monitoring wells during and after rainfalls, water level distribution at dam sites, and so on. S&DL mini is a very cost effective sensor. It has an integral data logger, battery, pressure transducer and temperature sensor, all in small stainless steel housing.

Disaster Management

Landslide monitoring, i-SENSOR

OYO developed a unique remote monitoring system called “i-SENSOR,” to assist and support road administrators. It is a “Wireless Landslide Monitoring System” using a cellular-phone communication network. The system is in action 24 hours a day and 365 days a year. It reduces the burden of monitoring, and enables the administrator to execute the pre-determined “Disaster Prevention Program,” timely and in a systematic manner. The sensor system is adapted and applied in many places in Japan, contributing to minimizing the damage caused by risky slopes.

Future Energy / Natural Resources

Exploration of natural resources under the sea bottom, GeoEel Solid

OYO provide the ultimate in marine seismic fidelity: the “GeoEel Solid.” from Geometrics, Inc. which is one of OYO’s group companies. “GeoEel Solid.” are seismographs for exploration of natural resources under the sea bottom. The “GeoEel Solid.” is easy to deploy, easy to transport and can be shipped by air. Combine several “GeoEel Solid.” with “P-Cable. System” for an ef ficient and effective survey. The revolutionary “P-Cable. System” provides unparalleled data quality and resolution far exceeding conventional 3D.

Contact

E-mail:seihin@oyo.jp
telephone: 81 2985 15078　　fax: 81 2985 17290