2 Şubat 2013 Cumartesi

CHINESE ARCHITECTURE



                  Chinese architecture refers to a style of architecture that has taken shape in East Asia over many centuries. The structural principles of Chinese architecture have remained largely unchanged, the main changes being only the decorative details. Since the Tang Dynasty, Chinese architecture has had a major influence on the architectural styles of Korea, Vietnam, and Janpan


                  The architecture of China is as old as Chinese civilization. From every source of information literary, graphic, exemplary there is strong evidence testifying to the fact that the Chinese have always employed an indigenous system of construction that has retained its principal characteristics from prehistoric times to the present day. Over the vast area from Chinese Turkistan to Japan, from Manchuria to the northern half of French Indochina, the same system of construction is prevalent; and this was the area of Chinese cultural influence. That this system of construction could perpetuate itself for more than four thousand years over such a vast territory and still remain a living architecture, retaining its principal characteristics in spite of repeated foreign invasions military, intellectual, and spiritual is a phenomenon comparable only to the continuity of the civilization of which it is an integral part.



    Diagram of corbel wood bracket supports ("Dougong") holding up a multi-inclined roof, from the architectural treatise Yingzao Fashi


              The following article gives a cursory explanation of traditional Chinese architecture, before the introduction of Western building methods during the early 20th century. Throughout the 20th Century, however, Western-trained Chinese architects have attempted to combine traditional Chinese designs into modern architecture (usually government), with only limited success. Moreover, the pressure for urban development throughout contemporary China required higher speed of construction and higherfloor area ratio, which means that in the great cities the demand for traditional Chinese buildings, which are normally less than 3 levels, has declined in favor of modern architecture. However, the traditional skills of Chinese architecture, includi major and minor carpentry, masonry, and stonemasonry, are still applied to the construction of vernacular architecture in the vast rural area in China.


                                 Architectural bilateral symmetry


            An important feature in Chinese architecture is its emphasis on articulation and bilateral symmetry, which signifies balance. Bilateral symmetry and the articulation of buildings are found everywhere in Chinese architecture, from palace complexes to humble farmhouses. When possible, plans for renovation and extension of a house will often try to maintain this symmetry provided that there is enough capital to do so. Secondary elements are positioned either side of main structures as two wings to maintain overall bilateral symmetry. The buildings are typically planned to contain an even numbers of columns in a structure to produce odd numbers of bays. With the inclusion of a main door to a building in the centre bay, symmetry is maintained
            In contrast to the buildings, Chinese gardens are a notable exception which tends to be asymmetrical. The principle underlying the garden's composition is to create enduring flow.


A sancai (tri-colored) ceramic mansion from the Tang Dynasty (618-907), excavated from a Tang era tomb at Zhongbu village in the western suburbs of Xi'an.
The rectangular compound shown above has two sections of courtyards. The buildings on the axle line include central entrance, four-pointed pavilion, mountain-shaped front hall, artificial mountain and ponds, eight-pointed pavilion and mountain-shaped retiring quarters. The two sides of the central axle are arranged with corridor rooms symmetrically.



                                                           Enclosure


          Contemporary Western architectural practices typically involve surrounding a building by an open yard on the property. This contrasts with much of traditional Chinese architecture, which involves constructing buildings or building complexes that take up an entire property but encloses open spaces within itself. These enclosed spaces come in two forms, the:

  •      Courtyard (院-): The use of open courtyards is a common feature in many types of Chinese architectures. This is best exemplified in the Siheyuan, which consists of an empty space surrounded by buildings connected with one another either directly or through verandas.
  •     "Sky well" (天井): Although large open courtyards are less commonly found in southern Chinese architecture, the concept of a "open space" surrounded by buildings, which is seen in northern courtyard complexes, can be seen in the southern building structure known as the "sky well". This structure is essentially a relatively enclosed courtyard formed from the intersections of closely spaced buildings and offer small opening to the sky through the roof space from the floor up.

            These enclosures serve in temperature regulation and in venting the building complexes. Northern courtyards are typically open and facing the south to allow the maximum exposure of the building windows and walls to the sun while keeping the cold northern winds out. Southern sky wells are relatively small and serves to collect rain water from the roof tops; performing the same duties as Roman impluviums, while restricting the amount of sunlight that enters the building. Sky wells also serve as vents for rising hot air, which draws cool air from the lowers stories of the house and allows for exchange of cool air with the outside.



A dugout dwelling enclosing an underground courtyard.  




tulou outer building encloses a smaller circular building, which encloses an ancestral hall and courtyard in the center  




An enclosing courtyard on four sides from the Astor Court in the Metropolitan Museum of Art  



                                            A skywell in a Fujian temple with enclosing halls and bays on four sides  

                                                   Hierarchical



            The projected hierarchy and importance and uses of buildings in traditional Chinese architecture are based on the strict placement of buildings in a property/complex. Buildings with doors facing the front of the property are considered more important than those facing the sides. Building facing away from the front of the property are the least important.
            South-facing buildings in the rear and more private parts of the property with higher exposure to sunlight are held in higher esteem and reserve for elder members of the family or ancestral plaques. Building facing east and west are generally for less senior members of the family, while buildings near the front are typically for servants and hired help.
            Front-facing buildings in the back of properties are used particularly for rooms of celebratory rites and for the placement of ancestral halls and plaques. In multiple courtyard complexes, central courtyards and their buildings are considered more important than peripheral ones, the latter typically being used as storage or servant's rooms or kitchens.


A stone-carved pillar-gate, or que, 6 m (20 ft) in total height, located at the tomb of Gao Yi in Ya'an, Sichuan province, Eastern Han Dynasty  notice the stone-carved decorations of rooftile eaves, despite the fact that Han Dynasty stone que (part of the walled structures around tomb entrances) lacked wooden or ceramic components (but often imitated wooden buildings with ceramic roof tiles).


                                                              Horizontal emphasis

Classical Chinese buildings, especially those of the wealthy are built with an emphasis on breadth and less on height, with close heavy platform and a large roof that floats over this base, with the vertical walls not well emphasized. This contrasts Western architecture, which tends to grow in height and depth. Chinese architecture stresses the visual impact of the width of the buildings.
The halls and palaces in the Forbidden City, for example, have rather low ceilings when compared to equivalent stately buildings in the West, but their external appearances suggest the all-embracing nature of imperial China. These ideas have found their way into modern Western architecture, for example through the work of Jorn Utzon This of course does not apply to pagodas, which are limited to religious building complexes.


Que  towers along the walls of Tang-era Chang'an, as depicted in this 8th-century mural from Prince Li Chongrun's tomb at the Qianling Mausoleum in Shaanxs

                                          Cosmological concepts


              Chinese architecture from early times used concepts from Chinese cosmology such as feng shui (geomancy) and Taoism to organize construction and layout from common residences to imperial and religious structures. This includes the use of:
  •          Screen walls to face the main entrance of the house, which stems from the belief that evil things travel in straight lines.
  •          Talismans and imagery of good fortune:
    • Door gods displayed on doorways to ward off evil and encourage the flow of good fortune
    • Three anthropomorphic figures representing Fu Lu Shou  stars are prominently displayed, sometimes with the proclamation "the threes star are present"
    • Animals and fruits that symbolize good fortune and prosperity, such as bats and pomegranates, respectively. The association is often done through rebuses.
  •       Orienting the structure with its back to elevated landscape and ensuring that there is water in the front. Considerations are also made such that the generally windowless back of the structure faces the north, where the wind is coldest in the winter
  •       Ponds, pools, wells, and other water sources are usually built into the structure


           The use of certain colors, numbers and the cardinal directions in traditional Chinese architecture reflected the belief in a type of immanence, where the nature of a thing could be wholly contained in its own form. Although the Western tradition gradually developed a body of architectural literature, little was written on the subject in China, and the earliest text, the Kaogongji, was never disputed. However, ideas about cosmic harmony and the order of the city were usually interpreted at their most basic level, so a reproduction of the "ideal" city never existed. Bejing as reconstructed throughout the 15th and 16th century remains one of the best examples of traditional Chinese town planning.



Model of a Chinese Siheyuan in Beijing, which shows off the symmetry, enclose heavy platform and a large roof that floats over this base, with the vertical walls not as well emphasized.

                                           Materials and history


             Unlike other building construction materials, old wooden structures often do not survive because they are more vulnerable to weathering and fires and are naturally subjected to rotting over time. Although now nonexistent wooden residential towers, watchtowers, and pagodas predated it by centuries, the Songyue Pagoda built in 523 is the oldest extant pagoda in China; its use of brick instead of wood had much to do with its endurance throughout the centuries. From the Tang Dynasty (618–907) onwards, brick and stone architecture gradually became more common and replaced wooden edifices. The earliest of this transition can be seen in building projects such as the Zhaozhou Bridge completed in 605 or the Xumi Pagoda built in 636, yet stone and brick architecture is known to have been used in subterranean tomb architecture of earlier dynasties.
              In the early 20th century, there were no known fully wood-constructed Tang Dynasty buildings that still existed; the oldest so far discovered was the 1931 find of Guanyin Pavilion at Dule Monastery, dated 984 during the Song.This was until the architectural historians Liang Sicheng (1901–1972), Lin Huiyin (1904–1955), Mo Zongjiang (1916–1999), and Ji Yutang (1902–c. 1960s) discovered that the Great East Hall of Foguang Temple on Mount Wutai in Shanxi was reliably dated to the year 857 in June 1937. The groundfloor dimensions for this monastic hall measures 34 by 17.66 m (111 ft by 57 ft).A year after the discovery at Foguang, the main hall of nearby Nanchan Temple on Mount Wutai was reliably dated to the year 782, while a total of six Tang era wooden buildings have been found by the 21st century. The oldest existent fully wooden pagoda that has survived intact is the Pagoda of Fogong Temple of the Liao Dynasty, located in Ying County of Shanxi. While the East Hall of Foguang Temple features only seven types of bracket arms in its construction, the 11th century Pagoda of Fogong Temple features a total of fifty-four.
              The earliest walls and platforms in China were of rammed earth construction, and over time, brick and stone became more frequently used. This can be seen in ancient sections of the Great Wall of China, while the brick and stone Great Wall seen today is a renovation of the Ming Dynasty (1368–1644).


       Models of watchtowers and other buildings made during the Eastern Han Dynasty ; while these models were made of ceramics, the real versions were made of easily perishable wood and have not survived.


                                                   Structure


  •       Foundations: Most buildings are typically erected on raised platforms  as their foundations. Vertical structural beams may rest on a raised stone pedestals  which occasionally rest on piles. In lower class construction, the platforms are constructed of rammed earth platforms that are unpaved or paved with brick or ceramics. In the simplest cases vertical structural beams are driven into the ground directly. Upper class construction typically have high raised stone paved rammed earth or stone foundations with ornately carved heavy stone pedestals for supporting large vertical structural beams. The vertical beams rest and remain on their pedestals solely by friction and the pressure exerted by the building structure.
  •       Structural beams: Use of large structural timbers for primary support of the roof of a building. Wooden timber, usually large trimmed logs, are used as load-bearing columns and lateral beams for framing buildings and supporting the roofs. These beams are are connected to each other directly or in larger and higher class structures, tied indirectly together through the use of brackets. These structural timbers are prominently displayed in finished structures. It is not definitively known how the ancient builders raised the huge wooden load bearing columns into position.
  •       Structural connections: Timber frames are typically constructed with joinery and doweling alone, seldom with the use of glue or nails. These types of semi-rigid structural joints allow the timber structure to resist bending and torsion while under high compression. Structural stability is further ensured through the use of heavy beams and roofs, which weighs the structure down. The lack of glue or nails in joinery, the use of non-rigid support such as dougong, and the used of wood as structural members allow the the buildings to slide, flex, and hinged while absorbing shock, vibration, and groundshift from earthquakes without significant damage to its structure.
  •      Walls: The common use of curtain walls or door panels to delineate rooms or enclose a building, with the general deemphasis of load-bearing walls in most higher class construction
  •      Roofs: Flat roofs are uncommon while gabled roofs are almost omnipresent in traditional Chinese architecture. Roofs are either built on roof cross-beams rests directly on vertical structural beams. In higher class construction, roof supporting beams are support through complex dougong bracketing systems that indirectly connect them to the primary structural beams. Three main types of roofs are found:



Mortise and tenon work of tie beams and cross beams, from Li Jie's building manual Yingzao Fashi, printed in 1103.

    1. Straight inclined: Roofs with a single incline. These are the most economical type of roofing and are most prevalent in commoner architectures
    2. Multi-inclined: Roofs with 2 or more sections of incline. These roofs are used in higher class constructions, from the dwellings of wealthy commoners to palaces
    3. Sweeping: Roofs with a sweeping curvature that rises at the corners of the roof. The types of roof construction are usually reserved for temples and palaces although it may also be found in the homes of the wealthy. In the former cases, the ridges of the roof are usually highly decorated with ceramic figurines.
  • Roof apex: The roof apex of a large hall is usually topped with a ridge of tiles and statues for both decorative purposes but also to weight down the layers of roofing tiles for stability. These ridges are often well decorated, especially for religious or palatial structures. In some regions of China, the ridges are sometimes extended or incorporated from the walls of the building to form matouqiang (horse-head walls), which serve as a fire deterrent from drifting embers.


A pavilion inside the Zhuozheng Garden in SuzhouJiangsu province, one of the finest gardens in China


                                                    Commoner


           The houses of commoners, be they bureaucrats, merchants or farmers, tended to follow a set pattern: the center of the building would be a shrine for the deities and the ancestors, which would also be used during festivities. On its two sides were bedrooms for the elders; the two wings of the building (known as "guardian dragons" by the Chinese) were for the junior members of the family, as well as the living room, the dining room, and the kitchen, although sometimes the living room could be very close to the center.

           Sometimes the extended families became so large that one or even two extra pairs of "wings" had to be built. This resulted in a U-shaped building, with a courtyard suitable for farm work; merchants and bureaucrats, however, preferred to close off the front with an imposing front gate. All buildings were legally regulated, and the law held that the number of stories, the length of the building and the colours used depended on the owner's class. Some commoners living in areas plagued by bandits built communal fortresses called Tulou for protection.



The Zhaozhou Bridge, built from 595–605 during the Sui Dynasty. It is the oldest fully stone open-spandrelsegmental arch bridge in the world.


                                                    Imperial


        There were certain architectural features that were reserved solely for buildings built for the Emperor of China. One example is the use of yellow roof tiles, yellow having been the Imperial color; yellow roof tiles still adorn most of the buildings within the Forbidden City. The Temple of Heaven, however, uses blue roof tiles to symbolize the sky. The roofs are almost invariably supported by brackets ("dougong"), a feature shared only with the largest of religious buildings. The wooden columns of the buildings, as well as the surface of the walls, tend to be red in color. Black is also a famous color often used in pagodas. It was believed that the gods are inspired by the black color to descend to the earth.
         The Chinese five-clawed dragon, adopted by the first Ming emperor for his personal use, was used as decoration on the beams, pillars, and on the doors on Imperial architecture. Curiously, the dragon was never used on roofs of imperial buildings.
         Only the buildings used by the imperial family were allowed to have nine jian , space between two columns); only the gates used by the Emperor could have five arches, with the centre one, of course, being reserved for the Emperor himself. The ancient Chinese favored the color red. The buildings faced south because the north had a cold wind.


vaulted tomb chamber inLuoyang, built during theEastern Han Dynasty 


A tomb chamber of Luoyang, built during the Eastern Han Dynasty  with incised wall decorations  


The Great Red Gate at the Ming Tombs near Beijing, built in the 15th century  


                  The yellow roof tiles and red walls in the Forbidden City(Palace Museum)grounds in Bejing,built         during the Yongle era(1402-1424) of the Ming Dynasty.


             Beijing became the capital of China after the Mongol invasion of the 13th century, completing the easterly migration of the Chinese capital begun since the Jin dynasty. The Ming uprising in 1368 reasserted Chinese authority and fixed Beijing as the seat of imperial power for the next five centuries. The Emperor and the Empress lived in palaces on the central axis of the Forbidden City, the Crown Prince at the eastern side, and the concubines at the back (therefore the numerous imperial concubines were often referred to as "The Back Palace Three Thousand"). However, during the mid-Qing Dynasty, the Emperor's residence was moved to the western side of the complex. It is misleading to speak of an axis in the Western sense of a visual perspective ordering facades, rather the Chinese axis is a line of privilege, usually built upon, regulating access—there are no vistas, but a series of gates and pavilions.
             Numerology heavily influenced Imperial Architecture, hence the use of nine in much of construction (nine being the greatest single digit number) and the reason why the Forbidden City in Beijing is said to have 9,999.9 rooms just short of the mythical 10,000 rooms in heaven. The importance of the East (the direction of the rising sun) in orienting and siting Imperial buildings is a form of solar worship found in many ancient cultures, where there is the notion of Ruler being affiliated with the Sun.
             The tombs and mausoleums of imperial family members, such as the 8th century Tang Dynasty tombs at the Qianling Mausoleum, can also be counted as part of the imperial tradition in architecture. These above-ground earthen mounds and pyramids had subterranean shaft-and-vault structures that were lined with brick walls since at least the Warring States .

                                                 Religious


           Generally speaking, Buddhist architecture follows the imperial style. A large Buddhist monastery normally has a front hall, housing the statue of a Bodhisattva, followed by a great hall, housing the statues of theBuddhas. Accommodations for the monks and the nuns are located at the two sides. Some of the greatest examples of this come from the 18th century Puning Temple and Putuo Zongcheng Temple. Buddhist monasteries sometimes also have pagodas, which may house the relics of the Gautama Buddha; older pagodas tend to be four-sided, while later pagodas usually have eight sides.
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           Daoist architecture, on the other hand, usually follows the commoners' style. The main entrance is, however, usually at the side, out of superstition about demons which might try to enter the premise (see feng shui.) In contrast to the Buddhists, in a Daoist temple the main deity is located in the main hall at the front, the lesser deities in the back hall and at the sides.


The Fogong Temple Pagoda, located in Ying county, Shanxi province, built in 1056 during theLiao Dynasty, is the oldest existent fully wooden pagoda in China 


The Nine Pinnacle Pagoda, built in the 8th century during the Tang Dynasty  


The Liuhe Pagoda of HangzhouChina, built in 1165 AD during the Song Dynasty  


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                                 Hua Si Gongbei (the mausoleum of Ma Laichi) inLinxia CityGansu  


A timber hall built in 857 during the Tang Dynasty,[14]located at the BuddhistFoguang Temple in Mount WutaiShanxi  


The Giant Wild Goose Pagoda in Xi'an, built in 652 during the Tang Dynasty 


A group of temples at the top of Mount Taishan, where structures have been built at the site since the 3rd century BC during the Han Dynasty  


The Putuo Zongcheng Temple, built from 1767 to 1771 during the reign ofQianlong, represents a fusion of Chinese and Tibetan architectural style 


                                     The Temple of Heaven inBeijing, built in the 15th century during the Ming Dynasty  

           The tallest pre-modern building in China was built for both religious and martial purposes. The Liaodi Pagoda of 1055 AD stands at a height of 84 m (275 ft), and although it served as the crowning pagoda of the Kaiyuan monastery in old Dingzhou, Hebei, it was also used as a military watchtower for Song Dynasty soldiers to observe potential Liao Dynasty enemy movements.

           The architecture of the mosques and gongbei tomb shrines of China's Muslims often combines traditional Chinese styles with Middle Eastern influences.


                                                       Urban Planning

      Chinese urban planning is based on fengshui geomancy and the well-field system of land division, both used since the Neolithic age. The basic well-field diagram is overlaid with the luoshu, a magic squaredivided into 9 sub-squares, and linked with Chinese numerology.

                                                      Miniature Models

       Although mostly only ruins of brick and rammed earth walls and towers from ancient China (i.e. before the 6th century AD) have survived, information on ancient Chinese architecture (especially wooden architecture) can be discerned from more or less realistic clay models of buildings created by the ancient Chinese as funerary items. This is similar to the paper joss houses burned in some modern Chinese funerals. The following models were made during the Han Dynasty (202 BCE – AD 220)


A pottery gristmill from theHan Dynasty (202 BC – AD 220)  


A pottery tower from theHan Dynasty (202 BC – AD 220)  


A pottery tower from theHan Dynasty (202 BC – AD 220)  


A pottery tower from theHan Dynasty (202 BC – AD 220)  


A ceramic model of a house with a courtyard, from theHan Dynasty (202 BC – AD 220)  


A pottery palace from theHan Dynasty (202 BC – AD 220)  



Two residential towers joined by a bridge, pottery miniature, Han Dynasty (202 BC – AD 220)  



A pottery gristmill from theHan Dynasty (202 BC – AD 220)  


A pottery model of a wellfrom the Han Dynasty (202 BC – AD 220)  




 



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