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  2. Merriespruit tailings dam disaster - Wikipedia

    en.wikipedia.org/wiki/Merriespruit_tailings_dam...

    The northern wall of the dam was only 320 m from the nearest houses in Merriespruit. [2] In the early years the slurry had a low relative density that led to difficult construction conditions with seepage and sloughing on the northern wall. A drained tailings buttress was constructed against the face of the northern wall.

  3. Slurry wall - Wikipedia

    en.wikipedia.org/wiki/Slurry_wall

    A slurry wall is a civil engineering technique used to build reinforced concrete walls in areas of soft earth close to open water, or with a high groundwater table. [1] This technique is typically used to build diaphragm (water-blocking) walls surrounding tunnels and open cuts, and to lay foundations .

  4. Bentonite - Wikipedia

    en.wikipedia.org/wiki/Bentonite

    Bentonite slurry walls (also known as diaphragm walls [43]) are used in construction, where the slurry wall is a trench filled with a thick colloidal mixture of bentonite and water. [44] A trench that would collapse due to the hydraulic pressure in the surrounding soil does not collapse as the slurry balances the hydraulic pressure.

  5. Mineral Historic District - Wikipedia

    en.wikipedia.org/wiki/Mineral_Historic_District

    Mineral Historic District is a national historic district located at Mineral, Louisa County, Virginia. It encompasses 222 contributing buildings, 3 contributing sites, and 6 contributing structures in the town of Mineral. It includes a variety of residential, commercial, and institutional buildings built after the town was platted in 1890.

  6. Hydromill trench cutter - Wikipedia

    en.wikipedia.org/wiki/Hydromill_trench_cutter

    The hydromill trench cutter is a specialized type of construction equipment designed to dig the narrow but deep trenches used in the casting of slurry walls. Typically, it is a cutter attachment mounted on a crawler crane base machine, with different types of hose handling systems.

  7. History of Virginia - Wikipedia

    en.wikipedia.org/wiki/History_of_Virginia

    The Generall Historie of Virginia, New-England, and the Summer Isles (1624), by Capt. John Smith, one of the first histories of Virginia. The written history of Virginia begins with documentation by the first Spanish explorers to reach the area in the 16th century, when it was occupied chiefly by Algonquian, Iroquoian, and Siouan peoples.

  8. Historic Jamestown - Wikipedia

    en.wikipedia.org/wiki/Historic_Jamestown

    Historic Jamestown is the cultural heritage site that was the location of the 1607 James Fort and the later 17th-century town of Jamestown in America. It is located on Jamestown Island, on the James River at Jamestown, Virginia, and operated as a partnership between Preservation Virginia (formerly known as the Association for the Preservation of Virginia Antiquities) and the U.S. National Park ...

  9. Aquia Creek sandstone - Wikipedia

    en.wikipedia.org/wiki/Aquia_Creek_sandstone

    Quarried at Aquia Creek in Stafford County, Virginia, the stone was valuable for its ease of shaping and the quarry's proximity to the tidewater portion of the Potomac River, 45 miles (72 km) south of Washington. The sandstone was the principal material used in such significant buildings as the White House and the early stages of the U.S ...