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- In-situ testing methods are typically divided into two broad categories: (1) penetration tests, which involve driving a tool or instrument into the ground and measuring the resistance or penetration rate, and (2) non-penetration tests, which involve measuring various physical properties of the ground or soil without penetrating it.
geologyscience.com/geology-branches/engineering-geology/in-situ-testing/
Feb 19, 2023 · Types of in-situ tests. There are various types of in-situ tests used in geotechnical site investigation. Some of the commonly used in-situ tests are: Standard Penetration Test (SPT): This test involves driving a split spoon sampler into the ground using a standard weight and fall height.
- Nuclear Density Gauge. The nuclear density gauge or nuclear densometer is the industry standard for quickly and accurately determining the density, moisture content and air voids of a soil.
- Bearing Probe. A bearing probe or hand probe is a tool used by geotechnical engineers to roughly assess the bearing capacity of near surface soils. Bearing probes should not be the only tool used to assess soils on a site and should be used in conjunction with methods of investigation such as drilling, standard penetration tests (SPTs), and nuclear densometer testing.
- Vane Shear Test. The shear vane device is a metal rod with four thin metal blades welded orthogonally (at 90 degree angles to each other). After a borehole is drilled to the desired depth the vane shear device is pushed into the soil and rotated.
- Standard Penetration Test. The standard penetration test (commonly refered to as SPT) is the most popular investigative field test. During a geotechnical investigation wherein boreholes are being drilled, the SPT should be performed at regular intervals throughout the depth of every borehole.
Apr 8, 2021 · In situ testing methods include penetration tests such as Standard Penetration Tests (SPT), which penetrate via drilling, percussion-based investigation techniques, sonic vibratory drilling methods, and various static direct push Cone Penetrometer Testing (CPT).
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Apr 23, 2023 · In-situ testing: These tests are carried out on site to determine the properties of soil and rock in their natural state. Examples of in-situ tests include Standard Penetration Test (SPT), Cone Penetration Test (CPT), and Pressuremeter Test.
The common in-situ tests include the Standard Penetration Test (SPT), Cone Penetration Test (CPT), Flat Plate Dilatometer (DMT), Field Vane Test (FVT) and Pressuremeter Test (PMT).
Oct 21, 2013 · The most commonly used in situ tests are the standard penetration test (SPT), the field vane tests, the cone penetration test (CPT), the pressuremeter test, and the dilatometer test (DMT). The vane shear test (VST) is used in saturated fine-grained soils to obtain the undrained shear strength.
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What are the different types of in-situ tests used in geotechnical site investigation?
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Some examples of in situ tests include the standard penetration test (SPT), described below, the cone penetration test (CPT), field vane or vane shear test, dilatometer, pressure meter, and well pumping tests.
