Prefabricated Concrete Component Geometry Deviation Statistical Analysis

Table 5

Summary of sample statistical.

Prefabricated components	Project					Deviation range (mm)
		Enterprise 1	Enterprise 2	Enterprise 3	Enterprise 4	Enterprise 1	Enterprise 2	Enterprise 3	Enterprise 4
Prefabricated beam member	Length	1.0011	1.0009	1.0010	1.0065	[0.04, 5.44]	[−0.77, 5.32]	[0.53, 5.52]	[0.16, 6.78]
		(0.0004)	(0.0005)	(0.0004)	(0.0034)
	Width	1.0030	1.0067	1.0035	1.0036	[−1.05, 3.13]	[−0.81, 6.06]	[−0.09, 3.39]	[−1.48, 4.72]
		(0.0023)	(0.0038)	(0.0018)	(0.0030)
	Height	1.0039	1.0061	1.0047	1.0065	[−4.74, 5.85]	[−1.25, 5.11]	[−1.56, 5.33]	[−1.09, 7.79]
		(0.0056)	(0.0032)	(0.0031)	(0.0034)
Prefabricated column member	Length	0.9996 (0.0007)	0.9991 (0.0007)	0.9993 (0.0007)	0.9993 (0.0006)	[−4.53, 4.29]	[−8.06, 1.81]	[−6.54, 1.48]	[−6.16, 1.09]
	Width	1.0035 (0.0019)	1.0031 (0.0029)	1.0033 (0.0029)	1.0039 (0.0032)	[−0.25, 3.91]	[−1.44, 3.30]	[−1.30, 3.90]	[−1.25, 4.04]
	Height	1.0026 (0.0040)	1.0053 (0.0061)	1.0033 (0.0029)	1.0055 (0.0056)	[−1.51, 6.48 ]	[−3.65, 6.21]	[−2.28, 6.81]	[−2.19, 8.23]
Prefabricated wall panel components	Height	0.9996 (0.0002)	0.9994 (0.0005)	0.9994 (0.0006)	0.9992 (0.0006)	[−5.81, 0.24]	[−5.42, 2.16]	[−5.03, 1.15]	[−6.57, 3.29]
	Width	0.9996 (0.0005)	0.9997 (0.0004)	0.9996 (0.0003)	0.9997 (0.0004)	[−4.75, 2.29 ]	[−4.36, 2.05]	[−3.32, 1.77]	[−4.38, 2.04]
	Thickness	1.0071 (0.0093)	1.0121 (0.0089)	1.0076 (0.0070)	1.0054 (0.0084)	[−3.45, 5.88 ]	[−0.67, 5.98]	[−1.09, 4.48]	[−4.28, 5.98]
Prefabricated composite slab	Length	0.9994 (0.0006)	0.9994 (0.0003)	0.9993 (0.0003)	0.9992 (0.0005)	[−5.99, 3.10]	[−4.84, 1.12]	[−5.23, 0.23]	[−5.41, 0.92]
	Width	0.9994 (0.0004)	0.9993 (0.0003)	0.9994 (0.0004)	0.9991 (0.0004)	[−4.88, 1.22]	[−6.20, 0.09]	[−3.89, 2.13]	[−3.48, 1.10]