Geotechnics: Dynamic penetration cone. (DCP)

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GreenTechnologies®

Innovative system for the point analysis of the subsoil to prevent failures in infrastructure projects.

GreenTechnologies® offers a specialized system called Dynamic Cone Penetration (DCP), which is used to evaluate the bearing capacity of the different layers that make up the subsoil, in addition to detecting weak areas that cause possible failures in embankments, pavements, highways, buildings, among others.

The study consists of introducing a cone-shaped penetration element  to the ground, solidly attached to modular steel bars of 1.00 meter in length and graduated every 10 centimeters. Penetration is carried out by striking using a dough weighing approximately 30 kg on a head placed on the top of the bar; This mass rises to a certain height and is allowed to fall freely. This process is repeated until readings greater than 80 strokes are obtained.

The results are obtained in the number of blows and these are correlated with the CBR (California Bearing Ratio) Test, a soil parameter that quantifies its resistant capacity as a subgrade, sub-base and base in the design of pavements, widely used to characterize roads, airports, warehouses, dams, platforms, subsoil of all types of buildings.

Measure compaction

It quickly determines the degree of compaction or consolidation of soils and their load-bearing capacity.

Monitors embankments

The system allows fast, accurate and reliable information to be obtained with minimal invasiveness.

Determines the load-bearing capacity of soils at different depths.

Specific information is obtained and the load capacity of the soils is determined depending on the number of blows against the penetration of the DCP at different depths.

Standardized results

Results correlated with CBR used in pavements and design stratigraphic profiles.

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GreenTechnologies®

System for measuring the bearing capacity of the soil

Easy to move, operate and use in the field. The data obtained are expressed in megapascals (MPa).

Specific data

It accurately determines the characteristics of the soil at different depths.

Non-invasive

The process is minimally invasive, only a 3 cm diameter perforation is required.

Gives standardized results

There are rules for data collection, interpretation and use.

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FREQUENTLY ASKED QUESTIONS

About geotechnical solutions: Dynamic cone of penetration

Let us help you clear your mind of any doubts about our geotechnical solutions, Dynamic Cone Penetration solutions, please do not hesitate to contact us with any additional questions.

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It gives the basic information about the load capacity and hardness; enough to solve the specific problems of differential subsidence. When advanced polymer soil improvement technologies are used, the DCP is sufficient to measure soil improvement prior to work, during soil improvement, and as a last quality control system. The resistivity-conductivity system and the vector laser system are used in conjunction with the DCP.

Yes, although in the case of concrete slabs, asphalt floors and pavements, it is necessary to make a small hole of 3cm in diameter, which is sealed at the end of the inspection.

GreenTechnologies® offers the necessary training.

Yes. The index given by the Standard Penetration Test (SPT) is easily correlated.

Yes, and the typical ranges of their respective indices are known.

As a system that acquires accurate data quickly, the equipment is designed to be operated manually, although there is also larger towed equipment.

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