ソイルアンドロックエンジニアリング List of Products and Services

In the construction industry, quality control of concrete is extremely important for ensuring the safety and durability of structures. In particular, managing the unit water content directly affects the strength and durability of concrete, necessitating accurate measurement and management. Inadequate management of unit water content can lead to cracking and reduced strength, potentially shortening the lifespan of structures. Our remote monitoring system for concrete unit water content monitors the unit water content of fresh concrete in real-time, streamlining quality control. 【Usage Scenarios】 - Quality control at ready-mix concrete manufacturing plants - Concrete placement management at construction sites - Remote monitoring by quality control personnel 【Benefits of Implementation】 - Stabilization of concrete quality - Increased efficiency in quality control operations - Early detection of issues through data visualization - Improved accuracy of records

• Other measuring instruments

A strong ally in soil quality management! SRELink is an application for RI communication that simplifies the organization of data from RI measuring instruments as an ICT and DX promotion tool. Compatible models are ANDES (general specifications, model: SRDM-2SV) and WARP-mini (model: SRM-1WM). (*As of January 2026) - SRELink allows intuitive operation on smartphones and tablets. - Communication is conducted via Bluetooth, enabling data extraction. - Data is stored as CSV files, and report creation is possible within the app. *The general specifications of ANDES support report creation in printed format.

• Measurement and analysis equipment leasing and rental
• Geological Survey
• Data Backup

We would like to introduce the "Concrete Unit Water Content Remote Monitoring System" that we handle. This system is a technology that saves the unit water content of fresh concrete measured by the continuous RI concrete moisture meter "COARA" in real-time on the cloud, enabling remote monitoring of the unit water content of the entire amount of fresh concrete. By utilizing this technology, improvements in productivity and quality are expected. Please feel free to contact us if you have any inquiries. 【Features】 ■ Concrete Unit Water Content Remote Monitoring System - Real-time saving of the unit water content of fresh concrete measured by "COARA" on the cloud. ■ COARA - Real-time measurement of the entire amount - Confirmation during pouring - Selectable options *For more details, please download the PDF or feel free to contact us.

• Other measuring instruments

"SPITER" is a new one-hole RI density and moisture meter that can measure depths that conventional surface-type RI density and moisture meters could not measure. It can measure density and moisture not only at the ground surface but also in areas deeper than 50 cm. By using an extension rod, measurements can be taken at any desired depth, allowing for an understanding of the depth distribution of density and moisture within the ground. Additionally, by utilizing the installed guide pipe, it is possible to track the temporal changes in the density and moisture of the ground. 【Features】 ■ Achieves density and moisture measurement at depths that conventional surface-type RI density and moisture meters could not measure. ■ Applicable for compaction management of thick layers exceeding 60 cm in layer thickness. ■ Enables tracking of temporal changes in the density and moisture of the ground using the installed guide pipe. *For more details, please download the PDF or feel free to contact us.

• Other measuring instruments

"ROCKY" is an RI-type surface transmission density meter that achieves speedy and accurate compaction management. In construction methods like the RCD method, where the lift thickness is large, a density measurement depth corresponding to the construction thickness is required. This product utilizes radioisotopes (RI) to achieve measurements at a depth of 50 cm. The reliability of the data has received high evaluations in various projects. Additionally, the measurement results are displayed on an LCD, printed out, and can store 2048 data points. Data transfer to a computer is also possible. 【Features】 ■ Easy to operate, with density results available in just 2 minutes ■ Safe to use as it has a sealed radiation source of 3.7 (MBq) (100 μCi) or less ■ Automatic correction of radiation source decay with a built-in calendar ■ Additional measurement depth of 20 cm available (optional) beyond the standard depths of 30, 40, and 50 cm *For more details, please download the PDF or feel free to contact us.

• Other measuring instruments

The "RI Cone" is a ground investigation system composed of a cone probe group that includes the RI density cone and the RI moisture meter cone, which measure the wet density and moisture content using RI, in addition to the three components measured by conventional electric cone penetration tests, along with a dedicated penetration vehicle and data recording equipment. It enables rapid and detailed acquisition and calculation of physical property values such as density and moisture ratio, in addition to understanding ground strength and soil classification, directly in the field. Furthermore, it allows for the assessment of consolidation conditions in soft ground such as dredged landfill sites, verification of ground improvement effects, and liquefaction determination. 【Features】 - Enables rapid and detailed acquisition and calculation of physical property values such as density and moisture ratio, in addition to understanding ground strength and soil classification, directly in the field. - Allows for the assessment of consolidation conditions in soft ground such as dredged landfill sites, verification of ground improvement effects, and liquefaction determination. - Can be applied to ground with an N value of approximately 20 when combined with a dedicated penetration vehicle. *For more details, please download the PDF or feel free to contact us.

• Geological Survey

We would like to introduce our boron concentration continuous monitoring device, "Reebo." This product is inserted into the solution being measured and displays the results instantly. It has a wide measurement range (concentration range), and no pretreatment of the target solution is necessary. Additionally, no measurement work is required after installation, and daily maintenance is not needed except for inspections and source replacements every three years. 【Features】 ■ Instant result display ■ Capable of long-term continuous measurement ■ No daily maintenance required *For more details, please download the PDF or feel free to contact us.

• Other measuring instruments

We would like to introduce the "Electric Cone Penetration Test (CPTU)" offered by Soil and Rock Engineering Co., Ltd. This test is a type of static sounding test that simultaneously measures three components: cone penetration resistance (qc), sleeve friction (fs), and pore water pressure (u) by attaching a cone to the tip of a rod. The penetration device is used to statically penetrate the ground, allowing for continuous measurement of ground information. Compared to boring surveys, this method enables rapid and detailed understanding of the mechanical and physical properties in situ. Additionally, our electric cone allows for continuous measurement of the wet density (ρt) and moisture content (ρm) during penetration by utilizing radioisotopes (RI). 【Features】 ■ Based on the measured data, it is possible to understand stratification, the consolidation status of soft ground, verify ground improvement effects, and assess liquefaction potential. ■ By using a dedicated penetration vehicle (with a maximum penetration force of 164 kN), it can penetrate ground with an N value of about 20 that does not contain large gravel or a significant amount of gravel. *For more details, please download the PDF or feel free to contact us.

• Geological Survey

The "CONG-II" is a simple type of aggregate surface moisture meter for batch plants that can continuously measure the surface moisture content of aggregates. The measurement principle uses the RI method with a weak RI sealed radiation source, and data processing is performed on a computer, allowing for excellent adaptability to hardware and software modifications. Additionally, a single data processing system can handle up to four detectors. It can be easily installed in existing batch plants. 【Features】 ■ Continuously measures the surface moisture content of aggregates ■ Easily installable in existing batch plants ■ Measurement principle uses the RI method with a weak RI sealed radiation source ■ Data processing is performed on a computer, providing excellent adaptability to hardware and software modifications ■ A single data processing system can handle up to four detectors *For more details, please download the PDF or feel free to contact us.

• Other measuring instruments

The "2-Hole RI Density Meter" is a frame-type two-hole measurement method in which two conduit frames are embedded in the fill layer at a 45-degree angle in parallel. One conduit frame contains a gamma ray source, while the other contains a gamma ray detector. The measurement is conducted by simultaneously raising both the source and the detector from the bottom of the embedded conduit frame, continuously measuring the compaction density in the depth direction between the frames. Therefore, it is suitable for quantifying the relationship between the compaction energy within the fill layer and the rolling effect, which is essential for fill construction (thick-layer construction). 【Features】 ■ Achieves continuous measurement in the depth direction with a two-hole system ■ Accurately quantifies the relationship between compaction energy and rolling effect within the fill layer ■ Enables accurate data measurement through gamma ray transmission method ■ Capable of measuring materials mixed with gravel *For more details, please download the PDF or feel free to contact us.

• Other measuring instruments

"ANDES" is a non-destructive measuring instrument that utilizes sealed radioisotopes (radioactive isotopes: RI). It can be easily transported to the necessary location at the necessary time, allowing for data to be measured simply, accurately, reliably, quickly, and safely. It can be used for "soil compaction management" in various earthworks, including roads, airports, dams, land development, embankments, and backfilling of pipelines. 【Features】 - On-site determination of the compaction state (degree of compaction) of embankments - Capable of assessment for any soil type - Measurement time is one minute per location, allowing for multiple measurements in a short time - Printing and statistical calculation functions for measurement data - Capability to store measurement data in the measuring instrument itself - Minimal human error factors in measurements - Easy data organization using a dedicated application on smartphones or PCs *The specifications of the measuring instrument include general specifications (Ministry of Land, Infrastructure, Transport and Tourism, prefectures including cities and towns, and private construction) and NEXCO specifications.

• Measurement and analysis equipment leasing and rental
• Geological Survey Company
• Earthworks

The WARP-mini, a simplified RI moisture meter (successor to WARP), is a measuring instrument developed with the concept of being lightweight, compact, and quick to measure as a new simple moisture content meter. In the quality control of embankments in ICT civil engineering, managing the moisture content of the target materials is crucial, and by using the WARP-mini, which measures in just 45 seconds, it is possible to quickly check the moisture content of the target materials. 【Features】 ■ Measures moisture content in just 45 seconds ■ No drilling or prior preparation needed; simple operation by just placing it and pressing a button ■ Ideal for measuring construction moisture content in ICT civil engineering ■ Measurement data can be stored in the internal memory of the main unit, and data organization is possible on a PC or smartphone *For more details, please download the PDF or contact us.

• Measurement and analysis equipment leasing and rental
• Geological Survey Company
• Earthworks

"The only measuring device that can measure the total amount of concrete being poured." The continuous RI concrete moisture meter (COARA NX) can continuously and in real-time measure the unit water content of fresh concrete flowing through the pumping pipes. By installing it on the pipes of concrete pump trucks, the quality of the poured concrete can be monitored and managed. [Features] ■ Easy Installation The COARA NX has been made smaller and lighter compared to conventional devices, making installation on pumping pipes significantly easier. (Weight of the measuring device: 42kg → 13kg, approximately 1/3) ■ Remote Monitoring Capability By using the optional "SRENET," remote monitoring of the unit water content during pouring is possible. In environments away from the site, not only can the unit water content be checked, but also the pouring time. → NETIS Registration [CB-240049-A] "Concrete Unit Water Content Remote Monitoring System" *For more details, please download the PDF or contact us.

• Measurement and analysis equipment leasing and rental
• Ready-mix concrete
• Concrete construction

The pipe density meter "PIRICA-S1" utilizes radioactive isotopes (RI) to continuously measure the density of substances (liquids, slurries, etc.) flowing inside pipes in a non-destructive and non-contact manner. 【Features】 ■ Compatible with pipe diameters of 1 to 8 inches (*For pipe diameters of 10 to 16 inches, please consider the PIRICA-L1.) ■ Uses a sealed source of Barium-133 with an activity of 1MBq - no notification procedures to the Nuclear Regulation Authority are required ■ Can be installed on pipes without tools, unless under special conditions ■ Mechanical specifications are designed for field use, featuring a waterproof and dustproof (IP65) structure ■ Measurements can be taken without a 100V power supply thanks to the built-in rechargeable battery ■ Wireless remote measurement (up to 100m) is possible with Bluetooth Class 1 ■ Supports remote monitoring via internet connection (optional: SRENET) ■ In addition to the general-purpose PIRICA-S1, we also offer battery-less, wireless external models for factory equipment (PIRICA-S2) and explosion-proof models (PIRICA-S3) (inquiries required) *For more details, please download the PDF or contact us.

• Measurement and analysis equipment leasing and rental
• Ground improvement
• cement

The automatic scanning RI density moisture meter "SRID" adopts a 360-degree scanning measurement method (1 rotation/min) around a source rod, achieving more than 10 times the measurement area compared to conventional methods (based on our company’s comparison). Furthermore, it features an automatic correction function for uneven surfaces using a non-contact distance sensor, eliminating the need for ground leveling work. 【Features】 ■ As it is a floating automatic scanning type (floating height of 5cm), it is unaffected by surface unevenness. ■ It measures by rotating within a circumference of 80cm, achieving more than 10 times the measurement area compared to our ANDES. ■ The measurement time is a total of 2 minutes, with 1 minute for BG measurement at one location and 1 minute for on-site RI measurement. ■ Standard measurement is unnecessary as it automatically corrects for source attenuation. *For more details, please download the PDF or contact us.

• Measurement and analysis equipment leasing and rental
• Geological Survey Company
• Earthworks

When used in conjunction with RI instruments (such as our products ANDES and SRID), the simple drilling machine assists in the driving work, greatly contributing to labor reduction and time savings. Additionally, it can handle hard ground, making drilling easy for anyone.

• Measurement and analysis equipment leasing and rental
• Geological Survey Company
• Earthworks

The continuous RI concrete moisture meter "COARA" can be installed in the piping section of a concrete pump truck to continuously measure the unit water volume of fresh concrete in real-time. 【Features】 ■ In concrete structures such as public civil engineering works and 200-year houses, where long-term durability is required, ensuring the quality (unit water volume) of the total poured quantity is extremely useful. ■ Measurement data can be transmitted via communication lines, allowing simultaneous verification at both the site office and the ready-mix concrete plant. This enables immediate action to be taken if any abnormal values are detected, ensuring the quality of the concrete. ■ The measured unit water volume data is stored as electronic data, which can be utilized as traceability documentation for the maintenance management of concrete structures in the future.

• Measurement and analysis equipment leasing and rental
• Ready-mix concrete
• Concrete construction

The piping RI density meter "PIRICA-L1" is a measurement device that utilizes radioactive isotopes (RI) to continuously measure the density of substances (liquids, slurries, etc.) flowing within pipes in a non-destructive and non-contact manner. The PIRICA-L1 is a model that enables measurements in large diameter pipes (10 to 16 inches) while maintaining the performance of the PIRICA-S1. 【Features】 ■ Compatible with pipe diameters of 10 to 16 inches (* For 1 to 8 inch pipes, please consider the PIRICA-S1.) ■ Uses sealed sources of cesium-137 or cobalt-60 as the radiation source * Notification procedures to the Nuclear Regulation Authority are required ■ Mechanical specifications are designed for field use, featuring waterproof and dustproof (IP65) construction ■ Capable of measurement without a 100V power supply using an internal rechargeable battery ■ Wireless remote measurement (up to 100m) enabled by Bluetooth Class 1 ■ Supports remote monitoring via internet connection (optional: SRENET) * For more details, please download the PDF or contact us.

• Measurement and analysis equipment leasing and rental
• Non-destructive testing
• Earthworks