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Bearing Capacity Chart - Delmag Diesel Pile Hammers

Delmag D100-13 Single Acting Diesel Pile Hammer

Blows	Piston	Hammer	Bearing Capacity ( tons ) for a Pile Set ( blows / in ) of:
Per Min.	Stroke (ft)	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
54	4.65	102514	314	342	364	383	399	413	426	438	448	458	467	475	483	491	497	504	510
53	4.84	106703	322	350	372	391	408	423	436	447	458	468	477	486	494	501	509	515	522
52	5.04	111112	329	358	381	400	417	432	446	458	469	479	488	497	505	513	520	527	533
51	5.25	115742	337	366	390	410	427	442	456	468	479	490	499	508	517	524	532	539	545
50	5.47	120592	345	375	399	419	437	452	466	479	490	501	511	520	528	536	544	551	558
49	5.71	125883	354	384	409	429	447	463	477	490	502	513	523	532	541	549	557	564	571
48	5.97	131615	363	394	419	440	459	475	489	502	514	525	536	545	554	562	570	578	585
47	6.24	137567	372	404	429	451	470	487	501	515	527	538	549	559	568	576	584	592	599
46	6.52	143740	382	414	440	462	481	498	514	527	540	551	562	572	581	590	598	606	613
45	6.83	150574	392	425	452	474	494	511	527	541	554	566	576	587	596	605	614	622	629
44	7.16	157849	402	436	464	487	507	525	541	555	568	580	591	602	612	621	629	638	645
43	7.51	165565	413	448	476	500	520	539	555	570	583	595	607	618	628	637	646	654	662
42	7.88	173722	424	460	489	513	534	553	570	585	598	611	623	634	644	654	663	671	679
41	8.29	182761	437	473	503	528	549	568	586	601	615	628	640	651	662	672	681	690	698
40	8.72	192241	449	486	517	542	565	584	602	618	632	646	658	669	680	690	700	709	717
39	9.19	202603	462	501	532	558	581	601	619	635	650	664	677	688	700	710	720	729	738
38	9.70	213846	476	516	548	575	598	619	637	654	669	684	697	709	720	731	741	750	759
37	10.25	225972	491	531	564	592	616	638	657	674	690	704	717	730	742	753	763	773	782
36	10.84	238979	507	548	582	610	635	657	677	694	711	725	739	752	764	775	786	796	805
35	11.48	253088	523	565	600	630	655	678	698	716	733	748	762	775	788	799	810	821	830

Calculates bearing capacities based upon FHWA modified Gates formula:
Ru = 0.5 [ 1.75 √E ( log 10N ) - 100 ]
where
Ru = Driven bearing capacity of the pile in tons
N = Number of hammer blows per inch
E = Energy developed by the hammer per blow in ft-lbs