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Solar Access
Solar access is the ability of one property to continue to receive sunlight across property lines without obstruction from another’s property (buildings, foliage or other impediment). Solar access is calculated using a sun path diagram. Sun is the source of our vision and energy. Its movements inform our perception of time and space. Access to sun is essential to energy conservation and to the quality of our lives. Solar access is differentiated from solar rights or solar easement, which is specifically meant for direct sunlight for solar energy systems, whereas solar access is a right to sunlight upon certain building façades regardless of the presence of active or passive solar energy systems. History A historical example of Solar access is Ancient Lights, a doctrine based on English law that refers to a negative easement that prevents the owner or occupier of an adjoining structure from building or placing on his own land anything that has the effect of obstructing the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Autodesk Revit
Autodesk Revit is a building information modelling software tool for architects, landscape architects, structural engineers, mechanical, electrical, and plumbing (MEP) engineers, designers and contractors. The original software was developed by Charles River Software, founded in 1997, renamed Revit Technology Corporation in 2000, and acquired by Autodesk in 2002. The software allows users to design a building and structure and its components in 3D, annotate the model with 2D drafting elements, and access building information from the building model's database. Revit is 4D building information modeling application capable with tools to plan and track various stages in the building's lifecycle, from concept to construction and later maintenance and/or demolition. Company history Charles River Software was founded in Newton, Massachusetts, on October 31, 1997, by Leonid Raiz and Irwin Jungreis, key developers of PTC's Pro/Engineer software for mechanical design, with the intent o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ildefons Cerdà
Ildefons Cerdà i Sunyer (; es, Ildefonso Cerdá Suñer; December 23, 1815, Centelles – August 21, 1876, Caldas de Besaya) was a Spanish urban planner and engineer who designed the 19th-century "extension" of Barcelona called the ''Eixample''. Because of his extensive theoretical and practical work, he is considered the founder of modern town planning as a discipline, having coined the word "urbanization". Biography Cerdà was born in Centelles, Catalonia, Spain, in 1815. He trained as a civil engineer at the ', in Madrid. He joined the Corps of Engineers and lived in various cities in Spain before settling in Barcelona in 1848 and marrying Clotilde Bosch. After the death of his brothers, Cerdà inherited the family fortune, and left the civil service. He became interested in politics and the study of urban planning. When the government of the time finally gave in to public pressure and allowed Barcelona's city walls to be torn down, he realized the need to plan the city ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Construction Permit
Planning permission or developmental approval refers to the approval needed for construction or expansion (including significant renovation), and sometimes for demolition, in some jurisdictions. It is usually given in the form of a building permit (or construction permit). House building permits, for example, are subject to Building codes. There is also a "plan check" (PLCK) to check compliance with plans for the area, if any. For example, one cannot obtain permission to build a nightclub in an area where it is inappropriate such as a high-density suburb. The criteria for planning permission are a part of urban planning and construction law, and are usually managed by town planners employed by local governments. Failure to obtain a permit can result in fines, penalties, and demolition of unauthorized construction if it cannot be made to meet code. Generally, the new construction must be inspected during construction and after completion to ensure compliance with national, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Courtyards
A courtyard or court is a circumscribed area, often surrounded by a building or complex, that is open to the sky. Courtyards are common elements in both Western and Eastern building patterns and have been used by both ancient and contemporary architects as a typical and traditional building feature. Such spaces in inns and public buildings were often the primary meeting places for some purposes, leading to the other meanings of court. Both of the words ''court'' and ''yard'' derive from the same root, meaning an enclosed space. See yard and garden for the relation of this set of words. In universities courtyards are often known as quadrangles. Historic use Courtyards—private open spaces surrounded by walls or buildings—have been in use in residential architecture for almost as long as people have lived in constructed dwellings. The courtyard house makes its first appearance ca. 6400–6000 BC (calibrated), in the Neolithic Yarmukian site at Sha'ar HaGolan, i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Terrace (building)
A terrace is an external, raised, open, flat area in either a landscape (such as a park or garden) near a building, or as a roof terrace on a flat roof. Ground terraces Terraces are used primarily for leisure activity such as sitting, strolling, or resting.Davies, Nicholas and Jokiniemi, Erkki. ''Dictionary of Architecture and Building Construction''. New York: Routledge, 2008, p. 379. The term often applies to a raised area in front of a monumental building or structure, which is usually reached by a grand staircase and surrounded by a balustrade. A terrace may be supported by an embankment or solid foundation, either natural or man-made.Harris, Cyril M. ''Illustrated Dictionary of Historic Architecture''. New York: Dover Publications, 1977, p. 529. Terraces may also be platforms, supported by columns but without the space below filled in, but terraces are always open to the sky and may or may not be paved.Ching, Frank. ''A Visual Dictionary of Architecture''. Hoboken, N.J.: ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trigonometry
Trigonometry () is a branch of mathematics that studies relationships between side lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies. The Greeks focused on the calculation of chords, while mathematicians in India created the earliest-known tables of values for trigonometric ratios (also called trigonometric functions) such as sine. Throughout history, trigonometry has been applied in areas such as geodesy, surveying, celestial mechanics, and navigation. Trigonometry is known for its many identities. These trigonometric identities are commonly used for rewriting trigonometrical expressions with the aim to simplify an expression, to find a more useful form of an expression, or to solve an equation. History Sumerian astronomers studied angle measure, using a division of circles into 360 degrees. They, and later the Babylonians, studied the ratios of the sides of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Position Of The Sun
The position of the Sun in the sky is a function of both the time and the geographic location of observation on Earth's surface. As Earth orbits the Sun over the course of a year, the Sun appears to move with respect to the fixed stars on the celestial sphere, along a circular path called the ecliptic. Earth's rotation about its axis causes diurnal motion, so that the Sun appears to move across the sky in a Sun path that depends on the observer's geographic latitude. The time when the Sun transits the observer's meridian depends on the geographic longitude. To find the Sun's position for a given location at a given time, one may therefore proceed in three steps as follows: # calculate the Sun's position in the ecliptic coordinate system, # convert to the equatorial coordinate system, and # convert to the horizontal coordinate system, for the observer's local time and location. This is the coordinate system normally used to calculate the position of the Sun in terms of solar zen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Summer Solstice
The summer solstice, also called the estival solstice or midsummer, occurs when one of Earth's poles has its maximum tilt toward the Sun. It happens twice yearly, once in each hemisphere ( Northern and Southern). For that hemisphere, the summer solstice is the day with the longest period of daylight and shortest night of the year, when the Sun is at its highest position in the sky. Within the Arctic circle (for the Northern hemisphere) or Antarctic circle (for the Southern), there is continuous daylight around the summer solstice. The opposite event is the winter solstice. The summer solstice occurs during summer. This is the June solstice (usually 20 or 21 June) in the Northern hemisphere and the December solstice (usually 21 or 22 December) in the Southern. On the summer solstice, Earth's maximum axial tilt toward the Sun is 23.44°. Likewise, the Sun's declination from the celestial equator is 23.44°. Since prehistory, the summer solstice has been seen as a significant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Winter Solstice
The winter solstice, also called the hibernal solstice, occurs when either of Earth's poles reaches its maximum tilt away from the Sun. This happens twice yearly, once in each hemisphere ( Northern and Southern). For that hemisphere, the winter solstice is the day with the shortest period of daylight and longest night of the year, when the Sun is at its lowest daily maximum elevation in the sky. Either pole experiences continuous darkness or twilight around its winter solstice. The opposite event is the summer solstice. The winter solstice occurs during the hemisphere's winter. In the Northern Hemisphere, this is the December solstice (usually 21st or 22nd December) and in the Southern Hemisphere, this is the June solstice (usually 20th or 21st of June). Although the winter solstice itself lasts only a moment, the term also refers to the day on which it occurs. The term midwinter is also used synonymously with the winter solstice, although it carries other meanings as we ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solar Zenith Angle
The solar zenith angle is the zenith angle of the sun, i.e., the angle between the sun’s rays and the vertical direction. It is the complement to the solar altitude or solar elevation, which is the altitude angle or elevation angle between the sun’s rays and a horizontal plane. At solar noon, the zenith angle is at a minimum and is equal to latitude minus solar declination angle. This is the basis by which ancient mariners navigated the oceans. Solar zenith angle is normally used in combination with the solar azimuth angle to determine the position of the Sun as observed from a given location on the surface of the Earth. Formula : \cos \theta_s = \sin \alpha_s = \sin \Phi \sin \delta + \cos \Phi \cos \delta \cos h where * \theta_s is the ''solar zenith angle'' * \alpha_s is the ''solar altitude angle'', \alpha_s = 90° – \theta_s * h is the hour angle, in the local solar time. * \delta is the current declination of the Sun * \Phi is the local latitude. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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