Bearing Capacity ChartDelmag Diesel Pile Hammers

Delmag D100-13 Single Acting Diesel Pile Hammer

Bearing Capacity (kips) for a Pile Set (blows/in) of:

Blows Per Min.	Piston Stroke (ft)	Hammer Energy (ft-lbs)	2.0	2.5	3.0	3.5	4.0	4.5	5.0	5.5	6.0	6.5	7.0	7.5	8.0	8.5	9.0	9.5	10.0
53	5.20	114400	670	727	774	814	848	879	906	930	952	973	992	1010	1026	1042	1057	1071	1084
52	5.40	118800	685	743	791	831	866	897	925	950	973	994	1013	1031	1048	1064	1079	1093	1106
51	5.60	123200	699	759	807	848	884	915	944	969	992	1014	1033	1052	1069	1085	1100	1115	1128
50	5.80	127600	713	774	823	865	901	933	962	988	1012	1033	1053	1072	1090	1106	1122	1136	1150
49	6.00	132000	727	789	839	882	919	951	980	1007	1031	1053	1073	1092	1110	1127	1143	1157	1172
48	6.30	138600	748	811	862	906	944	977	1007	1034	1058	1081	1102	1122	1140	1157	1173	1189	1203
47	6.60	145200	768	832	885	930	968	1002	1033	1061	1086	1109	1130	1150	1169	1187	1203	1219	1234
46	6.80	149600	781	846	900	945	984	1019	1050	1078	1104	1127	1149	1169	1188	1206	1223	1239	1254
45	7.20	158400	806	874	929	975	1016	1051	1083	1112	1138	1163	1185	1206	1225	1244	1261	1277	1293
44	7.50	165000	825	894	950	998	1039	1075	1108	1137	1164	1189	1212	1233	1253	1272	1289	1306	1322
43	7.80	171600	843	913	971	1019	1061	1098	1132	1162	1189	1214	1238	1259	1280	1299	1317	1334	1350
42	8.20	180400	867	939	998	1048	1091	1129	1163	1194	1222	1248	1271	1294	1315	1334	1353	1370	1387
41	8.60	189200	890	964	1024	1075	1119	1158	1193	1225	1254	1280	1304	1327	1349	1369	1388	1405	1422
40	9.10	200200	919	995	1057	1109	1154	1194	1230	1263	1292	1320	1345	1368	1390	1411	1430	1449	1466
39	9.50	209000	941	1018	1082	1135	1182	1223	1259	1292	1323	1350	1376	1400	1423	1444	1463	1482	1500
38	10.00	220000	968	1047	1112	1167	1215	1257	1295	1329	1360	1388	1414	1439	1462	1484	1504	1523	1542
37	10.60	233200	999	1081	1148	1205	1254	1297	1336	1371	1403	1432	1459	1485	1508	1531	1552	1571	1590
36	11.20	246400	1030	1114	1183	1241	1292	1336	1376	1412	1445	1475	1503	1529	1553	1576	1598	1618	1637
35	11.80	259600	1060	1146	1217	1277	1328	1374	1415	1452	1485	1516	1545	1572	1597	1620	1642	1663	1683
34	12.50	275000	1094	1183	1256	1317	1370	1417	1459	1497	1532	1564	1593	1621	1646	1671	1693	1715	1735

Calculates bearing capacities based upon FHWA modified Gates formula:
Ru = [ 1.75 √E ( log 10N ) - 100 ]
where
Ru = Driven bearing capacity of the pile in kips
N = Number of hammer blows per inch
E = Energy developed by the hammer per blow in ft-lbs