Study on Steel Content Estimation of Reinforced Concrete Rectangular Pool Wall

Table 5

Optimal wall thickness and optimal reinforcement situation at different bending moments.

Bending moment	Reinforcement situation	Wall thickness
		250	300	350	400	450	500	550	600	650	700	750	800
Bending moment 50	Reinforcement area	904	904	754	904	904	904	1130	1232	1340	1540	1540	1608
	Reinforcement pattern	φ12@125	φ12@125	φ12@150	φ12@125	φ12@125	φ12@125	φ12@100	φ14@125	φ16@150	φ14@100	φ14@100	φ16@125
	Steel content	0.36%	0.30%	0.22%	0.23%	0.20%	0.18%	0.21%	0.21%	0.21%	0.22%	0.21%	0.20%
Bending moment 100	Reinforcement area	2032	1340	1130	1027	904	1005	1130	1232	1340	1540	1540	1608
	Reinforcement pattern	φ18@125	φ16@150	φ12@100	φ18@200	φ12@125	φ16@200	φ12@100	φ14@125	φ16@150	φ14@100	φ14@100	φ16@125
	Steel content	0.81%	0.45%	0.32%	0.26%	0.20%	0.20%	0.21%	0.21%	0.21%	0.22%	0.21%	0.20%
Bending moment 150	Reinforcement area	3040	2512	2032	1540	1130	1130	1130	1232	1340	1540	1540	1608
	Reinforcement pattern	φ22@125	φ20@125	φ18@125	φ14@100	φ12@100	φ12@100	φ12@100	φ14@125	φ16@150	φ14@100	φ14@100	φ16@125
	Steel content	1.22%	0.84%	0.58%	0.39%	0.25%	0.23%	0.21%	0.21%	0.21%	0.22%	0.21%	0.20%
Bending moment 200	Reinforcement area	3800	3140	2512	2512	2032	1540	1540	1232	1340	1540	1540	1608
	Reinforcement pattern	φ22@100	φ20@100	φ20@125	φ20@125	φ18@125	φ14@100	φ14@100	φ14@125	φ16@150	φ14@100	φ14@100	φ16@125
	Steel content	1.52%	1.05%	0.72%	0.63%	0.45%	0.31%	0.28%	0.21%	0.21%	0.22%	0.21%	0.20%
Bending moment 250	Reinforcement area	4910	3800	3140	3040	2512	2455	2010	1540	1540	1540	1540	1608
	Reinforcement pattern	φ25@100	φ22@100	φ20@100	φ22@125	φ20@125	φ25@200	φ16@100	φ14@100	φ14@100	φ14@100	φ14@100	φ16@125
	Steel content	1.96%	1.27%	0.90%	0.76%	0.56%	0.49%	0.37%	0.26%	0.24%	0.22%	0.21%	0.20%
Bending moment 300	Reinforcement area		4910	3800	3800	3040	2540	2512	2010	2010	2010	1540	1608
	Reinforcement pattern		φ25@100	φ22@100	φ22@100	φ22@125	φ18@100	φ20@125	φ16@100	φ16@100	φ16@100	φ14@100	φ16@125
	Steel content		1.64%	1.09%	0.95%	0.68%	0.51%	0.46%	0.34%	0.31%	0.29%	0.21%	0.20%
Bending moment 325	Reinforcement area		4910	4910	3800	3140	3040	2540	2512	2010	2010	2010	1608
	Reinforcement pattern		φ25@100	φ25@100	φ22@100	φ20@100	φ22@125	φ18@100	φ20@125	φ16@100	φ16@100	φ16@100	φ16@125
	Steel content		1.64%	1.40%	0.95%	0.70%	0.61%	0.46%	0.42%	0.31%	0.29%	0.27%	0.20%
Bending moment 350	Reinforcement area		6160	4910	3800	3800	3140	3040	2540	2512	2010	2010	2010
	Reinforcement pattern		φ28@100	φ25@100	φ22@100	φ22@100	φ20@100	φ22@125	φ18@100	φ20@125	φ16@100	φ16@100	φ16@100
	Steel content		2.05%	1.40%	0.95%	0.84%	0.63%	0.55%	0.42%	0.39%	0.29%	0.27%	0.25%
Bending moment 375	Reinforcement area		6160	4910	3800	3800	3800	3040	2540	2512	2512	2512	2010
	Reinforcement pattern		φ28@100	φ25@100	φ22@100	φ22@100	φ22@100	φ22@125	φ18@100	φ20@125	φ20@125	φ20@125	φ16@100
	Steel content		2.05%	1.40%	0.95%	0.84%	0.76%	0.55%	0.42%	0.39%	0.36%	0.33%	0.25%
Bending moment 400	Reinforcement area		6160	4910	3800	3800	3800	3140	3040	2540	2512	2512	2010
	Reinforcement pattern		φ28@100	φ25@100	φ22@100	φ22@100	φ22@100	φ20@100	φ22@125	φ18@100	φ20@125	φ20@125	φ16@100
	Steel content		2.05%	1.40%	0.95%	0.84%	0.76%	0.57%	0.51%	0.39%	0.36%	0.33%	0.25%
Bending moment 425	Reinforcement area			6160	4910	4910	3800	3800	3040	3040	2540	2512	2512
	Reinforcement pattern			φ28@100	φ25@100	φ25@100	φ22@100	φ22@100	φ22@125	φ22@125	φ18@100	φ20@125	φ20@125
	Steel content			1.76%	1.23%	1.09%	0.76%	0.69%	0.51%	0.47%	0.36%	0.33%	0.31%
Bending moment 450	Reinforcement area			6160	4910	4910	3800	3800	3040	3040	3040	2540	2540
	Reinforcement pattern			φ28@100	φ25@100	φ25@100	φ22@100	φ22@100	φ22@125	φ22@125	φ22@125	φ18@100	φ18@100
	Steel content			1.76%	1.23%	1.09%	0.76%	0.69%	0.51%	0.47%	0.43%	0.34%	0.32%
Bending moment 475	Reinforcement area			6160	6160	4910	4910	3800	3800	3140	3040	3040	2540
	Reinforcement pattern			φ28@100	φ28@100	φ25@100	φ25@100	φ22@100	φ22@100	φ20@100	φ22@125	φ22@125	φ18@100
	Steel content			1.76%	1.54%	1.09%	0.98%	0.69%	0.63%	0.48%	0.43%	0.41%	0.32%
Bending moment 500	Reinforcement area			6160	6160	4910	4910	4910	3800	3800	3140	3040	2540
	Reinforcement pattern			φ28@100	φ28@100	φ25@100	φ25@100	φ25@100	φ22@100	φ22@100	φ20@100	φ22@125	φ18@100
	Steel content			1.76%	1.54%	1.09%	0.98%	0.89%	0.63%	0.58%	0.45%	0.41%	0.32%
Bending moment 550	Reinforcement area				6160	4928	4910	4910	4910	3800	3800	3140	3040
	Reinforcement pattern				φ28@100	φ28@125	φ25@100	φ25@100	φ25@100	φ22@100	φ22@100	φ20@100	φ22@125
	Steel content				1.54%	1.10%	0.98%	0.89%	0.82%	0.58%	0.54%	0.42%	0.38%
Bending moment 600	Reinforcement area					6160	6160	4910	4910	4910	3800	3800	3040
	Reinforcement pattern					φ28@100	φ28@100	φ25@100	φ25@100	φ25@100	φ22@100	φ22@100	φ22@125
	Steel content					1.37%	1.23%	0.89%	0.82%	0.76%	0.54%	0.51%	0.38%