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  2. Sonoco - Wikipedia

    en.wikipedia.org/wiki/Sonoco

    Sonoco is the world's largest producer of tubes, cores, and fiber concrete columns under the brand name Sonotube concrete forms [5] and a leading manufacturer of blow-molded plastic containers, consumer and industrial thermoformed plastic packaging, engineered molded and extruded plastic products, rigid paperboard containers, and convenience closures.

  3. Crosshole sonic logging - Wikipedia

    en.wikipedia.org/wiki/Crosshole_sonic_logging

    By comparing the graphs from the various combinations of access tubes, a qualitative idea of the structural soundness of the concrete throughout the pile can be gleaned. A more advanced, higher-end analysis that creates a mock 3-dimensional graphical display of the concrete soundness throughout the pile is known as Crosshole Sonic Tomography.

  4. AFt phases - Wikipedia

    en.wikipedia.org/wiki/AFt_phases

    Calcium aluminates can form complex salts in combination with different types of anions.Two series of calcium aluminates are known in cement chemistry: AFm and AFt phases, being respectively mono- or tri-substituted with a given divalent anion X (e.g. SO 2− 4, CO 2− 3, or hosting a divalent impurity such as SeO 2− 4 [3]...), or with two units of a monovalent anion, e.g. OH −, Cl − ...

  5. Tremie - Wikipedia

    en.wikipedia.org/wiki/Tremie

    Assembled tremie placing concrete underwater Hopper, pipes and lifting cap components of a tremie concrete placement tube. A tremie is a watertight pipe, usually of about 250 mm inside diameter (150 to 300 mm), [1] with a conical hopper at its upper end above the water level. It may have a loose plug or a valve at the bottom end.

  6. Self-healing Concrete Market Size Expected to Reach USD 1,145 ...

    lite.aol.com/tech/story/0022/20240729/9195116.htm

    Europe Self-healing Concrete Market Size and Forecast 2024 to 2033 The Europe self-healing concrete market size accounted for USD 38.95 billion in 2024 and is projected to surpass around USD 463.99 billion by 2033, expanding at a double digit CAGR of 31.67% between 2024 and 2033.

  7. Hollow structural section - Wikipedia

    en.wikipedia.org/wiki/Hollow_structural_section

    During the manufacturing process the mother tube goes through a series of shaping stands which form the round HSS (mother tube) into the final square or rectangular shape. Most American manufacturers adhere to the ASTM A500 or newly adopted ASTM A1085 standards, while Canadian manufacturers follow both ASTM A500 and CSA G40.21.

  8. How Democrats Are Faring In First Tests Of The Trump Backlash

    data.huffingtonpost.com/2017/special-elections

    Political analysts have wondered whether Democrats can turn this wave of progressive enthusiasm into concrete electoral gains in the 2018 midterms. One way to test that: special elections to fill empty state legislature and congressional seats.

  9. Tube (structure) - Wikipedia

    en.wikipedia.org/wiki/Tube_(structure)

    By 1963, a new structural system of framed tubes had appeared in skyscraper design and construction. Fazlur Rahman Khan, a structural engineer from Bangladesh (then called East Pakistan) who worked at Skidmore, Owings & Merrill, defined the framed tube structure as "a three dimensional space structure composed of three, four, or possibly more frames, braced frames, or shear walls, joined at or ...

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