Why the most used building materials in Notre Dame are masonry and wood
Gothic architecture is characterized by steeple towering, pointed arches, large windows and painted windows of the biblical story In the design of the use of sharp rib dome, flying buttress, slender beam column, to create a light slender flying feeling The new frame structure to increase the support of the top of the power, so that the entire building with straight lines, majestic appearance and the church empty space, often combined with colored glass window, so that the church produces a strong religious atmosphere concrete The time of the emergence of French engineer Ainabi in 1867 at the Paris Fair to see Monel with barbed wire and concrete pots, tubs, and water tanks, inspired by, and managed to apply this material to the building In he began to manufacture reinforced concrete slabs, and later developed into a whole building using reinforced concrete beams reinforced by steel bars and longitudinal rods A few years later, when he built an apartment building in Paris, reinforced concrete columns, beams and slabs, which have been improved to date, have been used In 1884 the German construction company purchased Monel's patent, carried out the first batch of reinforced concrete scientific experiments, studied the strength of reinforced concrete, fire resistance Bonding force between steel and concrete In 1887 the German engineer Cologne first published the calculation of reinforced concrete; British Wilson applied for a reinforced concrete board patent; the United States Haierite concrete beams were experimented 1895 - France built the first bridges and sidewalks with reinforced concrete In 1918 Abram had published a well-known theory of calculating the water-cement ratio of concrete strength Reinforced concrete has become an important material to change this world landscape
is a Gothic architectural form, it built all the use of stone, which is characterized by tall and straight, magnificent, the whole building solemn harmony
Notre Dame built in the period from 1163 to
