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2. Geotechnical investigation - Wikipedia

   en.wikipedia.org/wiki/Geotechnical_investigation

   Shelby Tube Sampler. Utilized in the 'Standard Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes' (ASTM D 1587 [5]). This sampler consists of a thin-walled tube with a cutting edge at the toe. A sampler head attaches the tube to the drill rod, and contains a check valve and pressure vents.

3. Standard penetration test - Wikipedia

   en.wikipedia.org/wiki/Standard_penetration_test

   The test uses a thick-walled sampling tube, with an outside diameter of 5.01 cm (2 in) and an inside diameter of 3.5 cm (1.375 in), and a length of at least 60 cm (24 in). The sampling tube is driven into the ground at the bottom of a borehole by blows from a hammer with a mass of 63.5 kg (140 lb) falling a distance of 75 cm (30 in). The sample ...

4. Thin walled beams - Wikipedia

   en.wikipedia.org/wiki/Thin_walled_beams

   A thin walled beam is a type of beam (structure) that does not have a solid cross sectional area. The cross section of thin walled beams is made up from thin panels connected together. Typical closed sections include round, square, and rectangular tubes. Open sections include I-beams, T-beams, L-beams, and so on.

5. Specific modulus - Wikipedia

   en.wikipedia.org/wiki/Specific_modulus

   However, caution must be exercised in using this metric. Thin-walled beams are ultimately limited by local buckling and lateral-torsional buckling. These buckling modes depend on material properties other than stiffness and density, so the stiffness-over-density-cubed metric is at best a starting point for analysis.

6. Lally column - Wikipedia

   en.wikipedia.org/wiki/Lally_column

   A Lally column is a round or square thin-walled structural steel column filled with concrete, [1] and oriented vertically to provide support to beams or timbers stretching over long spans. Lally columns are an engineered component and as such must be installed exactly as the design engineer specified.

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8. This foldable storage shelf is on sale for under $60: 'It is ...

   www.aol.com/lifestyle/this-foldable-storage...

   Designed with five shelves, this foldable unit is designed to provide ample storage space when and where you need it. Each shelf holds up to 250-pounds of storage without the wheels, or 200-pounds ...

9. File:Beam section - thin-walled tube.svg - Wikipedia

   en.wikipedia.org/wiki/File:Beam_section_-_thin...

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