Candela one candela. If emission in some directions is blocked by an opaque barrier, the emission would still be approximately one candela in the directions that are not obscured. The word "candela" means "candle" in Latin. Like most other SI base units, the candela has an operational definition—it is defined by a description of a physical process that will produce one candela of luminous intensity. Since the 16th General Conference on Weights and Measures (CGPM) in 1979, the candela has been defined as: The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of
Félix Candela as much information as he could find. From this, he started questioning the behaviour of reinforced concrete with the elastic assumptions and concluded they are in total disagreement with each other. Candela has said on more than one occasion that the analysis of a structure is a sort of "hobby" to him. Félix Candela worked as an architect upon his arrival in Mexico until 1949 when he started to engineer many concrete structures utilizing his well-known thin-shell design. Candela did most of his work in Mexico throughout the 1950s and into the late 60s. He was responsible for more than