Case Category
Calculation of pipeline rehabilitation index

Calculation of pipeline rehabilitation index

The structural defect type of pipeline is the reference value for making comprehensive definition of local defect or whole defect in evaluation of the pipeline.
Structural Evaluation of Pipeline

Structural Evaluation of Pipeline

The parameter for pipeline damage condition is the calculation result of defect score, S is arithmetic mean value of the scores of each defect of pipeline, and Smax is the highest score among the scores of each defect of pipeline.
Pipe Crawler Robot Evaluation Basis and Method

Pipe Crawler Robot Evaluation Basis and Method

This test and evaluation conforms to relevant provisions of Technical Specification for Inspection and Evaluation of Urban Sewer (CJJ 181-2012).
on Site Case Analysis of CSL Testing of Pile Foundation Integrity

on Site Case Analysis of CSL Testing of Pile Foundation Integrity

on Site Case Analysis of CSL Testing of Pile Foundation Integrity
Ultrasonic testing of foundation piles Data analysis

Ultrasonic testing of foundation piles Data analysis

Ultrasonic is a kind of elastic wave. The concrete medium is regarded as an elastic body. The propagation of ultrasonic waves in concrete obeys the law of elastic wave propagation.
RSM-SY6 UltraSonic Pile Integrity Tester Software features

RSM-SY6 UltraSonic Pile Integrity Tester Software features

The design of the main operating panel is similar to the traditional instrument appearance, and composed of four areas.
Introduction and application of cross sonic logging

Introduction and application of cross sonic logging

As the basic device for defect testing of cast-in-place concrete piles, the ultrasonic pile integrity tester can generate repetitive electric pulses and excite the transmitting transducer.
What are the components of the static load test system?

What are the components of the static load test system?

Static load test equipment is mainly composed of loading reaction force system, load measurement system, displacement measurement system and automatic acquisition system.
Ultrasonic testing of piles for estimate abnormal phenomena and Analysis of the causes of defects

Ultrasonic testing of piles for estimate abnormal phenomena and Analysis of the causes of defects

Ultrasonic transmission method is used as a method to detect the quality of foundation piles, which can accurately find the defect position and defect range of foundation piles.
How to use ultrasonic method to test the integrity of foundation piles

How to use ultrasonic method to test the integrity of foundation piles

When the speed of sound, amplitude and PSD value exceed the critical abnormality or sudden change, the defect should be tested carefully.
Application range of high strain dynamic load method

Application range of high strain dynamic load method

Determining whether the bearing capacity of a single pile meets the design requirements is one of the main functions of the high-strain dynamic pile test method.
Some problems that should be paid attention to in the process of pile dynamic detection

Some problems that should be paid attention to in the process of pile dynamic detection

Pile dynamic testing is a complex theoretical and practical system, which involves many disciplines, and requires careful operation in actual engineering to ensure the accuracy of various data, otherwise it will produce unpredictable consequences.
What are the limitations of PIT testing of foundation piles?

What are the limitations of PIT testing of foundation piles?

PIT testing of foundation piles has the advantages of simple operation, economy, strong timeliness, and high accuracy, which has been widely used in foundation pile integrity detection.
Some problems should be paid attention in the process of PIT testing

Some problems should be paid attention in the process of PIT testing

The reflected signal is used to determine the quality of the pile through a series of analysis and processing.
What is three-dimensional acoustic CT imaging of foundation piles?

What is three-dimensional acoustic CT imaging of foundation piles?

There may be 2 acoustic tubes, 3 acoustic tubes, 4 acoustic tubes, etc. buried in a foundation pile. If there are more than 4 acoustic measuring tubes, a combination of 4 acoustic measuring tubes can be used to repeat the observation.
Selection and installation of reference piles and beams in static load testing

Selection and installation of reference piles and beams in static load testing

The static load test method is recognized as the most direct and reliable test method for detecting the bearing capacity of foundation piles and foundations.
Urban water drainage pipelines testing

Urban water drainage pipelines testing

For the past few years, the big cities such as Beijing, Guangdong, Wuhan, Nanjing and Hangzhou have faced the similar embarrassment. The distortion of the officials’ performance concept and the urban planning defect has become the biggest “culprit” except
RSM-HGT(B) Ultrasonic Drilling Monitor data processing

RSM-HGT(B) Ultrasonic Drilling Monitor data processing

RSM-HGT(B) Ultrasonic Drilling Monitor data processing instructions
RSM-PDT(B) High-Strain Pile Bearing Testing on site sampling guidance

RSM-PDT(B) High-Strain Pile Bearing Testing on site sampling guidance

RSM-PDT(B) tester also can be used to perform high strain pile bearing monitoring (HSPBM-Monitoring) to evaluate pile driving information for pile bearing capacity, pile integrity, driving stresses and transferred energy against pile penetration.
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