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From [Institution name]
Height of Walls (m) |
Backfill Height (m) |
Vertical and Horizontal Steel Reinforcement for Below-grade Walls for All Seismic Zones |
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---|---|---|---|---|---|---|---|
Maximum Vertical Steel Reinforcement Spacing |
Maximum Horizontal Steel Reinforcement Spacing |
||||||
150-mm Wall |
200-mm Wall |
250-mm Wall |
150-mm Wall |
200-mm Wall |
250-mm Wall |
||
2.44 |
1.22 |
10M at 425 |
10M at 325 or 15M at 500 |
10M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
1.53 |
10M at 400 or 15M at 425 |
10M at 325 or 15M at 500 |
10M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
1.83 |
10M at 250 or 15M at 425 |
10M at 325 or 15M at 500 |
10M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
2.14 |
10M at 200 or 15M at 425 |
10M at 325 or 15M at 500 |
10M at 450 FI and at 500 FE or 15M at 500 FI and 10M at 500 FEFootnote (2) |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
3.05 |
1.22 |
10M at 425 |
10M at 325 or 15M at 500 |
10M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
1.53 |
10M at 300 or 15M at 425 |
10M at 325 or 15M at 500 |
10M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
1.83 |
10M at 200 or 15M at 425 |
10M at 250 or 15M at 500 |
10M at 400 FI and at 500 FE or 15M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
2.14 |
10M at 150 or 15M at 325 |
10M at 325 or 15M at 500 |
10M at 350 FI and at 500 FE or 15M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
2.44 |
10M at 125 or 15M at 250 |
10M at 200 or 15M at 425 |
10M at 275 FI and at 500 FE or 15M at 500 FI and 10M at 500 FE |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
2.75 |
10M at 100 or 15M at 200 |
10M at 175 or 15M at 350 |
10M at 225 FI and at 500 FE or 15M at 400 FI and 10M at 500 FE |
15M at 600 |
20M at 600 |
10M at 600 each face |
Height of Walls (m) |
Backfill Height (m) |
Vertical and Horizontal Steel Reinforcement for Below-grade Walls for All Seismic Zones |
|||||
---|---|---|---|---|---|---|---|
Maximum Vertical Steel Reinforcement Spacing |
Maximum Horizontal Steel Reinforcement Spacing |
||||||
150-mm Wall |
200-mm Wall |
250-mm Wall |
150-mm Wall |
200-mm Wall |
250-mm Wall |
||
3.66 |
1.22 |
10M at 425 |
10M at 325 or 15M at 500 |
10M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
1.53 |
10M at 275 or 15M at 425 |
10M at 325 or 15M at 500 |
10M at 500 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
1.83 |
10M at 175 or 15M at 375 |
10M at 300 or 15M at 500 |
10M at 400 FI and at 500 FE or 15M at 500 FI and 10M at 500 FE |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
2.14 |
10M at 125 or 15M at 275 |
10M at 225 or 15M at 475 |
10M at 300 FI and at 500 FE or 15M at 500 FI and 10M at 500 FE |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
2.44 |
10M at 100 or 15M at 200 |
10M at 175 or 15M at 350 |
10M at 250 FI and at 500 FE or 15M at 500 FI and 10M at 500 FE |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
2.75 |
15M at 175 |
10M at 125 or 15M at 275 |
10M at 200 FI and at 500 FE or 15M at 400 FI and 10M at 500 FE |
15M at 600 |
20M at 600 |
10M at 600 each face |
|
3.05 |
10M at 100 or 15M at 200 |
10M at 150 FI and at 500 FE or 15M at 350 FI and 10M at 500 FE |
15M at 600 |
20M at 600 |
10M at 600 each face |
||
3.36 |
10M at 125 FI and at 500 FE or 15M at 275 FI and 10M at 500 FE |
15M at 600 |
20M at 600 |
10M at 600 each face |
Wall Height (m) |
Maximum Vertical Spacing for Reinforcement |
Maximum Horizontal Spacing for Reinforcement |
||||
---|---|---|---|---|---|---|
150-mm Wall |
200-mm Wall |
250-mm Wall |
150-mm Wall |
200-mm Wall |
250-mm Wall |
|
Single storey concrete construction supporting wood truss roof |
||||||
2.44 |
10M at 400 |
15M at 400 |
10M at 400 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
3.05 |
10M at 300 |
15M at 400 |
10M at 400 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
3.66 |
10M at 200 |
15M at 400 |
10M at 400 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
Ground floor concrete construction supporting a second storey wood frame and a wood frame roof structure |
||||||
2.44 |
10M at 300 |
15M at 400 |
10M at 400 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
3.05 |
10M at 200 |
15M at 400 |
10M at 400 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
3.66 |
15M at 300 |
10M at 400 each face |
20M at 600 |
10M at 600 each face |
||
Ground floor concrete construction supporting a second storey concrete constructions and a wood frame roof structure |
||||||
2.44 |
10M at 200 |
15M at 400 |
10M at 400 each face |
15M at 600 |
20M at 600 |
10M at 600 each face |
3.05 |
15M at 300 |
10M at 400 each face |
20M at 600 |
10M at 600 each face |
||
3.66 |
15M at 200 |
10M at 400 each face |
20M at 600 |
10M at 600 each face |
Width of openings (mm) |
Uniformly distributed loads (kN/m) |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2.0 |
5 |
10 |
15 |
20 |
25 |
30 |
||||||||
Lower Steel Bar |
Dist. from s/uFootnote (2) |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
|
1000 |
2-10M |
0 |
2-10M |
0 |
2-10M |
0 |
2-10M |
0 |
2-10M |
0 |
2-10M |
100 |
2-10M |
167 |
1500 |
2-10M |
0 |
2-10M |
0 |
2-10M |
0 |
2-10M |
84 |
2-10M |
250 |
2-15M |
350 |
2-15M |
417 |
2000 |
2-10M |
0 |
2-10M |
0 |
2-10M |
0 |
2-15M |
334 |
2-15M |
500 |
2-15M |
600 |
2-15M |
667 |
2500 |
2-10M |
0 |
2-10M |
0 |
2-15M |
250 |
2-15M |
584 |
2-15M |
750 |
2-15M |
850 |
2-15M |
917 |
3000 |
2-10M |
0 |
2-10M |
0 |
2-15M |
500 |
2-15M |
834 |
2-15M |
1000 |
2-15M |
1100 |
||
3500 |
2-10M |
0 |
2-10M |
0 |
2-15M |
750 |
2-15M |
1084 |
2-15M |
1250 |
||||
4000 |
2-10M |
0 |
2-15M |
0 |
2-15M |
1000 |
2-15M |
1334 |
||||||
4500 |
2-10M |
0 |
2-15M |
250 |
2-15M |
1250 |
2-20M |
1584 |
||||||
5000 |
2-10M |
0 |
2-15M |
500 |
2-20M |
1500 |
Opening Width (mm) |
Uniformly distributed loads (kN/m) |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2.0 |
5 |
10 |
15 |
20 |
25 |
30 |
||||||||
Lower Steel Bar |
Dist. from s/uFootnote (2) |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
|
1000 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
34 |
1500 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
50 |
2-15M |
190 |
2-15M |
284 |
2000 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
67 |
2-15M |
300 |
2-15M |
440 |
2-15M |
534 |
2500 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
317 |
2-15M |
550 |
2-15M |
690 |
2-15M |
784 |
3000 |
2-15M |
0 |
2-15M |
0 |
2-15M |
100 |
2-15M |
567 |
2-15M |
800 |
2-15M |
940 |
2-20M |
1034 |
Opening Width (mm) |
Uniformly distributed loads (kN/m) |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2.0 |
5 |
10 |
15 |
20 |
25 |
30 |
||||||||
Lower Steel Bar |
Dist. from s/uFootnote (2) |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
|
3500 |
2-15M |
0 |
2-15M |
0 |
2-15M |
350 |
2-15M |
817 |
2-15M |
1050 |
2-20M |
1190 |
2-20M |
1284 |
4000 |
2-15M |
0 |
2-15M |
0 |
2-15M |
600 |
2-15M |
1067 |
2-20M |
1300 |
2-25M |
1440 |
||
4500 |
2-15M |
0 |
2-15M |
0 |
2-15M |
850 |
2-15M |
1317 |
2-25M |
1550 |
||||
5000 |
2-15M |
0 |
2-15M |
0 |
2-20M |
1100 |
2-25M |
1567 |
Opening Width (mm) |
Uniformly distributed loads (kN/m) |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2.0 |
5 |
10 |
15 |
20 |
25 |
30 |
||||||||
Lower Steel Bar |
Dist. from s/uFootnote (2) |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
Lower Steel Bar |
Dist. from s/u |
|
1000 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
1500 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
50 |
2-15M |
167 |
2000 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
125 |
2-15M |
300 |
2-15M |
417 |
2500 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
84 |
2-15M |
375 |
2-15M |
550 |
2-15M |
667 |
3000 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
334 |
2-15M |
625 |
2-15M |
800 |
2-20M |
917 |
3500 |
2-15M |
0 |
2-15M |
0 |
2-15M |
0 |
2-15M |
584 |
2-20M |
875 |
2-20M |
1050 |
2-20M |
1167 |
4000 |
2-15M |
0 |
2-15M |
0 |
2-15M |
250 |
2-15M |
834 |
2-20M |
1125 |
2-25M |
1300 |
2-25M |
1417 |
4500 |
2-15M |
0 |
2-15M |
0 |
2-15M |
500 |
2-20M |
1084 |
2-25M |
1375 |
2-25M |
1550 |
||
5000 |
2-15M |
0 |
2-15M |
0 |
2-20M |
750 |
2-25M |
1334 |
2-25M |
1625 |