Japanese Roofs Curved
Arches and barrel roofs are completely absent.
Japanese roofs curved. Bow roofs appear gable like but the slopes are curved. However the designs of these curves are decided by master builders who contract the construction of buildings. Gable and eave curves are gentler than in china and columnar entasis convexity at the center limited. So because of this many people have curved roofs inspired by their religion.
The roof bending upwards at the corners may seem to have no practicality true. In conclusion curved roofs in japan are important because not only is it beautiful and logical it also is because most of japan are buddhists and the buddhists. But that s merely a speculation from your logic point of view. The japanese while using much subtler curves than the chinese favored take the curved roof to amazing levels of beauty and complexity.
As for english roofs being a minor design aspect i would humbly disagree take a look at any of the books on english monastic carpentry that are out there cecil hewitt et al and the church roofs are. There are many curved lines in the design of the japanese roof and the most remarkable are the curves of the eaves and the slope of the roof. The application of curved lines in japanese architecture is based on a style imported from the asiatic continent and dates from about the middle of the 6th century. Ceo at laziness 1998 present answered february 25 2017.
The general structure is almost always the same. The slopes are steep enough near the house walls that precipitation is highly unlikely to stay on the roof. In designing the roof the japanese architecture studio sought to create a new curved surface with a flat material and a very thin cross section using gravity and tension as such the roof employs. Buddhist temples have curved roofs.
Bioclimatic architecture at its best. The harmonious blending of these two types of curves is the terimukuri style of. Teri are curves that slope gently like the base of mount fuji and mukuri is the bulge that rises up at the peak. Posts and lintels support a large and gently curved roof while the walls are paper thin often movable and never load bearing.
Asian roofs are gently curved out at the corners in order to allow more light to enter the windows in winter and provide extra shade in the summer. Without the ridge it would be a barrel roof not on our list and the ridge is clearly what gives it the bow design. Many people in japan are buddists.