[Retracted] Research on Structural Optimization of Prefabricated Components Based on Improved Immune Genetic Algorithm

Table 1

The reinforcement of simply supported single-reinforced beam.

Beam depth h (mm)	450	500	550	600	650
Effective height of section h0 (mm)	380	430	480	560	610
Height of concrete compression zone x (mm)	267	205	170	137	122
The theory of accessories As (mm^2)	2650	2036	1688	1356	1215
The actual reinforcement	4^Ø254^Ø20	8^Ø18	3^Ø253^Ø18	3^Ø203^Ø18	4^Ø20
Actual reinforcement area As^’ (mm^2)	2726	2036	1702	1366	1256