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Geotechnical Site Investigation
Open the borehole, measure strength and stiffness, collect the subsurface sample.
Piezocone CPTu SPT Drilling DMT Dilatometer Seismic Dilatometer SDMT Shelby Sampling Mixed drilling Vane Test Ménard Pressuremeter PMT Drilling and Sampling
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Environmental Site Investigation
Soil and groundwater suspected of contamination (contaminated land management).
Monitoring Wells Direct Push Sampling Dual Tube Sampling Contaminated Land (CLM)
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Mineral Exploration
Deep diamond core drilling for mineral exploration.
Diamond Core Drilling Borehole Logging Deviation Surveys Core Orientation
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Soil Laboratory
The sample becomes a design parameter: characterization and special tests.
Triaxial Test Characterization Tests Consolidation Test Direct Shear and DSS Proctor Compaction
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Geotechnical Instrumentation
Pore pressure, displacement and settlement over time.
Piezometers Inclinometers Surface Monuments Settlement Plates
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Geophysics
Dynamic stiffness and wave velocity in the ground, without excavation.
Crosshole Test Downhole Test MASW
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Design and Consultancy
From investigation to solution: foundations, retaining structures, slopes.
Foundation Design Technical Assessments and Opinions Retaining Walls and Structures Slope Stabilization Earthworks
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Geotechnical Investigation Environmental Investigation Mineral Exploration Soil Testing Laboratory Geotechnical Instrumentation Geophysics Design and Consultancy

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SUBSOLO 3D letters in relief on a dark wall, the same art that closes every episode

Original series · EP01 out now

SUBSOLO

An animated series by Damasco Penna about soil mechanics, from the grain to the test.

Watch EP01 Subscribe on YouTube

24 episodes 3 to 6 minutes PT · EN · ES in the field since 1980

Official trailer · 1:08

Watch the trailer

SUBSOLO trailer scene: the Specimen inside the triaxial cell

A single track: it starts at the origin of soils, moves through water and stresses, and arrives at the tests that measure it all. Content follows Brazilian standards and Damasco Penna's 45 years of field practice.

Season 1 · Arc 1: The material

The episodes

Origin and formation of soils

Every rock becomes soil. Chapada das Mesas shows how.

The invisible scale of soils

From gravel to clay: ten thousand times, beyond what the eyes reach.

03

The good guy, the bandit and the perfect soil

Grains, voids and the grade the ground gets.

Coming soon

04

The soil's identity card

The grading curve in place of the photo.

Coming soon

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