Cross Hole Sonic Logging Test

Cross Hole Sonic Logging Test in Kenya, Uganda, Tanzania, Rwanda, Somalia, Sudan, DRC Congo, Mozambique, Zambia, and the rest of the East African region.

Cross Hole Sonic Logging (CSL) test is a non-destructive testing technique used to determine the integrity of the concrete pile or foundation. The test involves transmitting ultrasonic waves between two probes, which are inserted in pre-drilled parallel holes in the concrete. The probes are typically spaced 1-3 meters apart, and the test is usually carried out at intervals of 1-2 meters along the length of the pile or foundation.

During the test, one probe acts as a transmitter, and the other probe acts as a receiver. The transmitter sends ultrasonic pulses, which travel through the concrete to the receiver. The time taken for the pulse to travel between the two probes is recorded and used to calculate the velocity of the ultrasonic waves in the concrete.

The velocity of the ultrasonic waves in the concrete is an indicator of the quality of the concrete, and any defects or anomalies within the concrete will cause a change in the ultrasonic wave velocity. By comparing the ultrasonic wave velocities at different depths, the CSL test can identify the presence of defects such as cracks, voids, and delamination in the concrete.

CSL testing is commonly used in the construction industry to verify the integrity of concrete piles and foundations, and it is also used in the maintenance and rehabilitation of existing structures. The test is generally considered to be an accurate and reliable method for assessing the quality of concrete, and it can help to identify potential problems before they become more serious.

Our services include:

Testing and Inspection: We offer testing and inspection services to assess the quality and integrity of concrete piles and foundations. We use specialized equipment, such as ultrasonic probes and data acquisition systems, to measure the velocity of ultrasonic waves in the concrete.
Data Analysis: After the CSL testing is completed, the test results are analyzed to identify any defects or anomalies in the concrete. This analysis can help identify potential issues and determine the extent of any required repairs or maintenance.
Reporting: We provide a detailed report of the test results, including any defects or anomalies found in the concrete. These reports may also include recommendations for repairs or maintenance and can be used by engineers, contractors, and other stakeholders involved in the construction or maintenance of the structure.
Consulting: We provide consulting services to help clients understand the test results and develop a plan of action to address any defects or anomalies in the concrete. We can also provide guidance on best practices for maintaining the integrity of concrete structures.

Applications:

Foundations: CSL testing is commonly used to assess the integrity of concrete foundations, including drilled shafts, piers, and other deep foundations. It can help detect defects and anomalies in the concrete, including voids, cracks, and delamination.
Bridges: Bridges often rely on deep foundation elements, such as drilled shafts, which can be tested using CSL. By assessing the integrity of these elements, engineers can ensure the safety and reliability of the bridge structure.
High-rise buildings: High-rise buildings often have deep foundations, which can be tested using CSL to ensure their integrity. Additionally, CSL testing can be used to assess the quality of the concrete used in the building's columns and other structural elements.
Tunnels and underground structures: CSL testing can be used to assess the integrity of the concrete used in tunnels, shafts, and other underground structures. It can help identify any defects or anomalies in the concrete and ensure the safety and reliability of these structures.
Industrial structures: CSL testing can be used to assess the integrity of the concrete used in industrial structures, such as storage tanks, silos, and other large concrete structures. It can help detect any defects or anomalies that may compromise the safety and reliability of these structures.