5,208 articles
Big Dig ceiling collapse
The Big Dig ceiling collapse occurred in Boston's Interstate 90 connector tunnel on July 10, 2006, when falling concrete panels crushed a car and killed one occupant.
Big Hole
The Big Hole is Tunnel No. 41, a roughly two-mile railroad tunnel built in 1925 under Mount Judah at Donner Pass, California, and still the main Sierra crossing.
Big Three (management consultancies)
The Big Three, often abbreviated MBB, are the strategy consulting firms McKinsey & Company, Boston Consulting Group, and Bain & Company, widely regarded as management consulting's most prestigious firms.
Big Tujunga Dam
Big Tujunga Dam is a concrete arch dam on Big Tujunga Creek in Los Angeles County, California, built in 1931 for flood control and groundwater recharge.
Big Well (Kansas)
The Big Well, listed as Greensburg Well, is a hand-dug well in Greensburg, Kansas, dug in 1887 and 1888 and now the centerpiece of the Big Well Museum.
Big-box store
A big-box store, also called a supercenter or superstore, is a physically large chain retail establishment, a format that became ubiquitous in the United States after 1962.
Bill of quantities
A bill of quantities is a construction contract document listing items of work with detailed descriptions and firm quantities, so all tenderers price the same measured work.
Bin el Ouidane Dam
The Bin el Ouidane Dam (French: barrage de Bin el Ouidane) is a concrete arch dam in Morocco's High Atlas Mountains, commissioned in 1953 for hydropower and irrigation.
Binnenhof
The Binnenhof, a roughly 800-year-old government complex in The Hague, houses both houses of the Dutch parliament and the prime minister's office; it is closed for renovation until summer 2031.
Biocement
Biocement is a construction material in which bacteria such as Sporosarcina pasteurii precipitate calcium carbonate that binds sand into solid masonry at ambient temperature, a low-CO2 alternative to conventional cement.
Biochemical oxygen demand
Biochemical oxygen demand (BOD), or biological oxygen demand, measures the dissolved oxygen consumed by microorganisms decomposing organic matter in water, typically over five days at 20 °C.
Biological activated carbon
Biological activated carbon (BAC) is a water treatment process combining adsorption onto granular activated carbon with biodegradation by microorganisms, first used practically in 1976 at Rhine River waterworks.
Biomimetic architecture
Biomimetic architecture is the practice of designing buildings by abstracting principles from biological organisms, behaviors, and ecosystems into architectural form, structure, materials, and environmental systems, unlike biomorphic imitation.
Biophilic design
Biophilic design is an approach to architecture and interior design that incorporates natural elements, natural materials, and spatial qualities of natural environments into buildings to advance occupants' health and wellbeing.
Bioretention
Bioretention is a stormwater management practice using vegetated soil media to capture, filter, and infiltrate runoff from paved surfaces, pioneered in Prince George's County, Maryland, around 1990.
Biosand filter
A biosand filter is a household-scale slow sand filter developed by David Manz at the University of Calgary in the 1990s to treat drinking water in batches.
Biosolids
Biosolids are sewage sludge from municipal wastewater treatment, treated to meet EPA standards under 40 CFR Part 503 and applied to land as fertilizer or soil conditioner.
Bioswale
A bioswale is a vegetated, gently sloped open channel that slows, filters, and treats stormwater runoff and promotes infiltration, a green infrastructure practice used along roads, highways, and parking lots.
Birkhall
Birkhall, also known as Birkhall House, is a royal residence on the Balmoral estate in Aberdeenshire, Scotland, now home to King Charles III and Queen Camilla.
Birla Mandir, Hyderabad
Birla Mandir, Hyderabad is a Hindu temple dedicated to Lord Venkateswara, built of white marble on a hillock near Hussain Sagar by the Birla Foundation and completed in 1976.
Birmingham Corporation Water Department
Birmingham Corporation Water Department, also called Birmingham Corporation Waterworks, was the municipal body supplying water to Birmingham, England, from 1876 until 1974 through the Elan Valley scheme.
Bishop's Court
Bishop's Court, or Bishopscourt, is the name of Anglican bishops' residences in several countries: a Grade I medieval palace of the Bishops of Exeter at Sowton, Devon, plus examples in Wellington, North Adelaide, Winnipeg, Kirk Michael, and Cape Town.
Bishop's simplified method of slices
Bishop's simplified method of slices, also known as the Simplified Bishop Method, is a geotechnical limit equilibrium method for computing a slope's factor of safety against circular slip failure.
Bjarke Ingels
Bjarke Bundgaard Ingels is a Danish architect, founder of Bjarke Ingels Group (BIG), best known for CopenHill, VIA 57 West, the Lego House, and hedonistic sustainability.
Black & Veatch
Black & Veatch is an employee-owned American engineering, procurement, consulting, and construction company founded in 1915 and headquartered in Overland Park, Kansas, with about 13,000 employees worldwide.
Black Taj Mahal
The Black Taj Mahal, also known as the Black Taj, is a legend that Shah Jahan planned a black marble tomb opposite the white Taj Mahal in Agra.
Blackhouse
A blackhouse (Gaelic taigh-dubh) is a traditional dwelling of the Scottish Highlands and Islands, built with double drystone walls and a chimneyless thatched roof; most surviving examples stand on Lewis in the Outer Hebrides.
Blackpool Tower
Blackpool Tower is a Grade I listed entertainment complex and observation tower in Blackpool, England, opened in 1894 as a British imitation of the Eiffel Tower.
Blackstone Canal
The Blackstone Canal was a 46-mile waterway built between 1824 and 1828 to link Worcester, Massachusetts, with Providence, Rhode Island; railroads closed it in 1848.
Blackwall Tunnel
The Blackwall Tunnel is a pair of road tunnels under the River Thames in east London, opened in 1897 and linking Poplar with the Greenwich Peninsula.