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Frank Spaargaren
Frank Spaargaren (20 December 1940 – 4 October 2020) was a Dutch hydraulic engineer who was one of the main designers of the Oosterscheldekering and served as a director of the Waterloopkundig Laboratorium in Delft. Graduation and early career After graduating in civil engineering from Delft University of Technology in 1964, he joined the Delta service of Rijkswaterstaat, in the hydraulic department. He supervised experiments at the ''(Hydraulic Research Laboratory)''. Beginning in the early 1970s, Spaargaren became involved in the Delta Works, principally with the works to close the Eastern Scheldt, and in 1971, he took charge of the project as Head of Service Execution. The Oosterscheldekering The closure of the Eastern Scheldt was achieved by the construction of the ''(Eastern Scheldt Storm Surge Barrier)'', between the islands of Schouwen-Duiveland and Noord-Beveland. At nine kilometres in length, the dam was the largest project of the entire Delta Works. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haarlem
Haarlem (; predecessor of ''Harlem'' in English) is a city and municipality in the Netherlands. It is the capital of the province of North Holland. Haarlem is situated at the northern edge of the Randstad, one of the most populated metropolitan areas in Europe; it is also part of the Amsterdam metropolitan area, being located about 15 km to the west of the core city of Amsterdam. Haarlem had a population of in . Haarlem was granted city status or '' stadsrechten'' in 1245, although the first city walls were not built until 1270. The modern city encompasses the former municipality of Schoten as well as parts that previously belonged to Bloemendaal and Heemstede. Apart from the city, the municipality of Haarlem also includes the western part of the village of Spaarndam. Newer sections of Spaarndam lie within the neighbouring municipality of Haarlemmermeer. Geography Haarlem is located on the river Spaarne, giving it its nickname 'Spaarnestad' (Spaarne city). It is situated a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schouwen-Duiveland
Schouwen-Duiveland () is a municipality and an island in the southwestern Netherlands province of Zeeland. The municipality has 33,737 inhabitants (1 January 2016) and covers an area of (of which is water). The northside of the island has two fixed connections to Goeree-Overflakkee, the Brouwersdam and the Grevelingen. The southside has two fixed connections to cross the Oosterschelde to North Beveland, the Stormvloed Kering or Oosterscheldedam, part of the Delta Works and the Zeeland Bridge. The island is mostly flat and is, besides a small area, below the sea level. On the western tip is a dune whose highest point is about 42 meters above sea level. The island is, in the summer, very popular with (German) tourists. The Renesse area is a popular holiday destination for young people. The Brouwersdam is a dam, part of the Delta Works, from Schouwen-Duiveland to Goedereede, the west part of the island of Goeree-Overflakkee in South Holland. History The island of Schouwen-Duivel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corporate Strategy
In the field of management, strategic management involves the formulation and implementation of the major goals and initiatives taken by an organization's managers on behalf of stakeholders, based on consideration of resources and an assessment of the internal and external environments in which the organization operates.qn, date=June 2018 Strategic management provides overall direction to an enterprise and involves specifying the organization's objectives, developing policies and plans to achieve those objectives, and then allocating resources to implement the plans. Academics and practicing managers have developed numerous models and frameworks to assist in strategic decision-making in the context of complex environments and competitive dynamics. Strategic management is not static in nature; the models can include a feedback loop to monitor execution and to inform the next round of planning. Michael Porter identifies three principles underlying strategy: * creating a " unique ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydraulic Engineering
Hydraulic engineering as a sub-discipline of civil engineering is concerned with the flow and conveyance of fluids, principally water and sewage. One feature of these systems is the extensive use of gravity as the motive force to cause the movement of the fluids. This area of civil engineering is intimately related to the design of bridges, dams, channels, canals, and levees, and to both sanitary and environmental engineering. Hydraulic engineering is the application of the principles of fluid mechanics to problems dealing with the collection, storage, control, transport, regulation, measurement, and use of water.Prasuhn, Alan L. ''Fundamentals of Hydraulic Engineering''. Holt, Rinehart, and Winston: New York, 1987. Before beginning a hydraulic engineering project, one must figure out how much water is involved. The hydraulic engineer is concerned with the transport of sediment by the river, the interaction of the water with its alluvial boundary, and the occurrence of scour an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dredging
Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigability, and commercial use; constructing dams, dikes, and other controls for streams and shorelines; and recovering valuable mineral deposits or marine life having commercial value. In all but a few situations the excavation is undertaken by a specialist floating plant, known as a dredger. Dredging is carried out in many different locations and for many different purposes, but the main objectives are usually to recover material of value or use, or to create a greater depth of water. Dredges have been classified as suction or mechanical. Dredging has significant environmental impacts: it can disturb marine sediments, leading to both short- and long-term water pollution, destroy important seabed ecosystems, and can release human-sourced toxins captured in the sediment. Description ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
General Contractor
A general contractor, main contractor or prime contractor is responsible for the day-to-day oversight of a construction site, management of vendors and trades, and the communication of information to all involved parties throughout the course of a building project. Description A general contractor is a construction manager employed by a client, usually upon the advice of the project's architect or engineer. Responsible for the overall coordination of a project, general contractors may also act as building designer and foreman (a tradesman in charge of a crew). A general contractor must first assess the project-specific documents (referred to as a bid, proposal, or tender documents). In the case of renovations, a site visit is required to get a better understanding of the project. Depending on the project delivery method, the contractor will submit a fixed price proposal or bid, cost-plus price or an estimate. The general contractor considers the cost of home office overhead, gen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Engineering Consulting
Engineering consulting is the practice of performing engineering as a Consulting Engineer. It assists individuals, public and private companies with process management, idea organization, product design, fabrication, MRO (Maintenance, Repair and Operations), servicing, tech advice, tech specifications, tech estimating, costing, budgeting, valuation, branding, and marketing. Engineering consulting firms may involve Civil, Structural, Mechanical, Electrical, Environmental, Chemical, Industrial, and Agricultural, Electronics and Telecom, Computer and Network, Instrumentation and Control, IT, Manufacturing and Production, Aerospace, Marine, Fire and Safety, etc. Consulting engineers may also assist in marketing. Education To practice as independent self employed Consulting Engineer requires at least a Bachelor's Degree in Engineering and a Government License. References See also * FIDIC The International Federation of Consulting Engineers (commonly known as FIDIC, acronym ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zeeland
, nl, Ik worstel en kom boven("I struggle and emerge") , anthem = "Zeeuws volkslied"("Zeelandic Anthem") , image_map = Zeeland in the Netherlands.svg , map_alt = , map_caption = Location of Zeeland in the Netherlands , pushpin_map = , pushpin_label_position = , pushpin_map_alt = , pushpin_map_caption = , coordinates = , coor_pinpoint = , coordinates_footnotes = , subdivision_type = Country , subdivision_name = Netherlands , established_title = , established_date = , founder = , seat_type = Capital , seat = Middelburg, Zeeland, Middelburg , seat1_type = Largest city , seat1 = Ter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beatrix Of The Netherlands
Beatrix (Beatrix Wilhelmina Armgard, ; born 31 January 1938) is a member of the Dutch royal house who reigned as Queen of the Netherlands from 1980 until her abdication in 2013. Beatrix is the eldest daughter of Queen Juliana and her husband, Prince Bernhard of Lippe-Biesterfeld. Upon her mother's accession in 1948, she became heir presumptive. Beatrix attended a public primary school in Canada during World War II, and then finished her primary and secondary education in the Netherlands in the post-war period. In 1961, she received her law degree from Leiden University. In 1966, Beatrix married Claus von Amsberg, a German diplomat, with whom she had three children. When her mother abdicated on 30 April 1980, Beatrix succeeded her as queen. Beatrix's reign saw the country's Caribbean possessions reshaped with Aruba's Status aparte, secession and becoming its own Countries of the Kingdom of the Netherlands, constituent country within the kingdom in 1986. This was followed by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flood Control
Flood control methods are used to reduce or prevent the detrimental effects of flood waters."Flood Control", MSN Encarta, 2008 (see below: Further reading). Flood relief methods are used to reduce the effects of flood waters or high water levels. Flooding can be caused by a mix of both natural processes, such as extreme weather upstream, and human changes to waterbodies and runoff. Though building hard infrastructure to prevent flooding, such as flood walls, can be effective at managing flooding, increased best practice within landscape engineering is to rely more on soft infrastructure and natural systems, such as marshes and flood plains, for handling the increase in water. For flooding on coasts, coastal management practices have to not only handle changes water flow, but also natural processes like tides. Flood control and relief is a particularly important part of climate change adaptation and climate resilience, both sea level rise and changes in the weather (climate cha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ecosystem
An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into plant tissue. By feeding on plants and on one another, animals play an important role in the movement of matter and energy through the system. They also influence the quantity of plant and microbial biomass present. By breaking down dead organic matter, decomposers release carbon back to the atmosphere and facilitate nutrient cycling by converting nutrients stored in dead biomass back to a form that can be readily used by plants and microbes. Ecosystems are controlled by external and internal factors. External factors such as climate, parent material which forms the soil and topography, control the overall structure of an ecosystem but are not themselves influenced by the ecosystem. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saltwater
Saline water (more commonly known as salt water) is water that contains a high concentration of dissolved salts (mainly sodium chloride). On the United States Geological Survey (USGS) salinity scale, saline water is saltier than brackish water, but less salty than brine. The salt concentration is usually expressed in parts per thousand (permille, ‰) and parts per million (ppm). The USGS salinity scale defines three levels of saline water. The salt concentration in slightly saline water is 1,000 to 3,000 ppm (0.1–0.3%); in moderately saline water is 3,000 to 10,000 ppm (0.3–1%); and in highly saline water is 10,000 to 35,000 ppm (1–3.5%). Seawater has a salinity of roughly 35,000 ppm, equivalent to 35 grams of salt per one liter (or kilogram) of water. The saturation level is only nominally dependent on the temperature of the water. At one liter of water can dissolve about 357 grams of salt, a concentration of 26.3% w/w. At boiling () the amount that can be dissolved in o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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