Estimation of Super High-Rise Pumping Pressure for High-Performance Concrete Based on Computational Fluid Dynamics Modeling and Situation Measurement

Table 2

The comparison for the calculated pressure value and measured one.

Pumping height (m)	Plastic viscosity ()	Discharge (m^3/h)	Calculated value (MPa)	Measured value (MPa)	Relative error (%)
243	55	65	16.33	17.7	−7.71
250	55	65	16.69	13.6	22.69
268	55	61	16.86	19	−11.28
272	55	65	17.79	13.6	30.80
277	55	65	18.0	16	−12.75
299	55	61	18.36	19	−3.39
295	55	61	18.16	19	−4.41
299	55	65	19.27	16	20.48
304	55	61	17.98	19	−5.39
546.6	45	30	21.10	22.5	−6.21
552.1	45	23	19.74	22	−10.27
556.6	45	45	24.22	22.6	7.18
561.1	45	28	21.62	22.9	−5.61
565.4	45	30	21.77	22.5	−3.26
569.7	45	24	20.32	22.9	−11.25
574	45	21	18.86	23.1	−18.35
578.85	45	30	22.24	22.9	−2.87
582.15	45	28	22.36	23.4	−4.45