单肢角钢承载力计算表



单 肢 角 钢 承 载 力 计 算 表   (kN)
计算长度 lj(mm)		2885	弯曲系数	A3F	λ>123     ф=8636/(1.4071-1.028*λ/1000)/λ/λ								λ<=123   ф=(1-0.0284*λ*λ/1000)/(1+0.0185*λ*λ/1000)
工作条件系数 m		0.9	ф	16Mn	λ>102   ф=5921/(1.37012-0.88046*λ/1000)/λ/λ								λ<=102   ф=(1-0.0413*λ*λ/1000)/(1+0.0269*λ*λ/1000)
螺孔直径 d（cm)		2.15	承载力	A3F	稳定	N=16*ф*A*m							强度	N=16*(m*A-n*d*t)
减孔数 n		1	(kN)	16Mn	稳定	N=23*ф*A*m							强度	N=23*(m*A-n*d*t)
长细比	λ=lj/10/ry(rx)		最小轴失稳									平行轴失稳
角钢	面积	肢厚	最小轴	长细比	弯曲系数	A3F承载力(kN)		弯曲系数	16Mn承载力(kN)			平行轴	长细比	弯曲系数	A3F承载力(kN)		弯曲系数	16Mn承载力(kN)
规格	A(c㎡)	t	ry	λ	ф	稳定	强度	ф	稳定	强度		rx	λ	ф	稳定	强度	ф	稳定	强度
L40X3	2.36	3	0.79	365	0.0628	2.1	23.7	0.0423	2.1	34.0		1.23	235	0.1346	4.6	23.7	0.0925	4.5	34.0
L40X4	3.09	4	0.79	365	0.0628	2.8	30.7	0.0423	2.7	44.2		1.22	236	0.1327	5.9	30.7	0.0911	5.8	44.2
L45X4	3.49	4	0.89	324	0.0765	3.8	36.5	0.0519	3.8	52.5		1.38	209	0.1657	8.3	36.5	0.1142	8.3	52.5
L45X5	4.29	5	0.88	328	0.0751	4.6	44.6	0.0509	4.5	64.1		1.37	211	0.1636	10.1	44.6	0.1127	10.0	64.1
L50X4	3.90	4	0.99	291	0.0918	5.2	42.4	0.0626	5.1	61.0		1.54	187	0.2026	11.4	42.4	0.1400	11.3	61.0
L50X5	4.80	5	0.98	294	0.0902	6.2	51.9	0.0615	6.1	74.6		1.53	189	0.2002	13.8	51.9	0.1383	13.7	74.6
L56X4	4.39	4	1.11	260	0.1121	7.1	49.5	0.0768	7.0	71.1		1.73	167	0.2513	15.9	49.5	0.1740	15.8	71.1
L56X5	5.42	5	1.10	262	0.1104	8.6	60.8	0.0756	8.5	87.5		1.72	168	0.2486	19.4	60.8	0.1722	19.3	87.5
L63X5	6.14	5	1.25	231	0.1386	12.3	71.2	0.0953	12.1	102.4		1.94	149	0.3114	27.5	71.2	0.2161	27.5	102.4
L63X6	7.29	6	1.24	233	0.1366	14.3	84.3	0.0939	14.2	121.2		1.93	149	0.3083	32.4	84.3	0.2140	32.3	121.2
L70X5	6.88	5	1.39	208	0.1679	16.6	81.9	0.1158	16.5	117.7		2.16	134	0.3812	37.8	81.9	0.2650	37.7	117.7
L70X6	8.16	6	1.38	209	0.1657	19.5	96.9	0.1142	19.3	139.2		2.15	134	0.3779	44.4	96.9	0.2627	44.4	139.2
L75X5	7.41	5	1.50	192	0.1930	20.6	89.5	0.1333	20.4	128.7		2.32	124	0.4366	46.6	89.5	0.3037	46.6	128.7
L75X6	8.80	5	1.49	194	0.1907	24.2	109.5	0.1317	24.0	157.4		2.31	125	0.4330	54.9	109.5	0.3012	54.9	157.4
L80X6	9.40	6	1.59	181	0.2149	29.1	114.7	0.1486	28.9	164.9		2.47	117	0.4891	66.2	114.7	0.3425	66.6	164.9
L80X7	10.86	7	1.58	183	0.2124	33.2	132.3	0.1468	33.0	190.2		2.46	117	0.4858	76.0	132.3	0.3398	76.4	190.2
L90X6	10.64	6	1.80	160	0.2706	41.5	132.6	0.1875	41.3	190.6		2.79	103	0.5813	89.1	132.6	0.4329	95.4	190.6
L90X7	12.30	7	1.78	162	0.2650	46.9	153.0	0.1836	46.8	220.0		2.78	104	0.5788	102.5	153.0	0.4299	109.5	220.0
L90X8	13.94	8	1.78	162	0.2650	53.2	173.2	0.1836	53.0	249.0		2.76	105	0.5737	115.2	173.2	0.4240	122.3	249.0
L90X10	17.17	10	1.76	164	0.2595	64.2	212.8	0.1798	63.9	306.0		2.74	105	0.5685	140.6	212.8	0.4181	148.6	306.0
L100X8	15.64	8	1.98	146	0.3235	72.9	197.7	0.2246	72.7	284.2		3.08	94	0.6460	145.5	197.7	0.5159	167.0	284.2
L100X10	19.26	10	1.96	147	0.3174	88.0	242.9	0.2203	87.8	349.2		3.05	95	0.6400	177.5	242.9	0.5082	202.6	349.2
L100X12	22.80	12	1.95	148	0.3144	103.2	287.0	0.2182	103.0	412.6		3.03	95	0.6359	208.8	287.0	0.5029	237.4	412.6
L110X8	17.24	8	2.19	132	0.3913	97.1	220.7	0.2720	97.1	317.3		3.40	85	0.7020	174.3	220.7	0.5886	210.1	317.3
L110X10	21.26	10	2.17	133	0.3846	117.7	271.7	0.2673	117.6	390.6		3.38	85	0.6989	214.0	271.7	0.5845	257.2	390.6
L110X12	25.20	12	2.15	134	0.3779	137.1	321.6	0.2627	137.0	462.3		3.35	86	0.6941	251.9	321.6	0.5783	301.7	462.3
L125X8	19.75	8	2.50	115	0.4989	141.9	256.9	0.3505	143.3	369.3		3.88	74	0.7648	217.5	256.9	0.6718	274.6	369.3
L125X10	24.37	10	2.48	116	0.4924	172.8	316.5	0.3451	174.1	455.0		3.85	75	0.7614	267.2	316.5	0.6673	336.6	455.0
L125X12	28.97	12	2.46	117	0.4858	202.7	375.9	0.3398	203.8	540.3		3.83	75	0.7592	316.7	375.9	0.6643	398.3	540.3
L140X10	27.37	10	2.78	104	0.5788	228.1	359.7	0.4299	243.6	517.1		4.34	66	0.8084	318.6	359.7	0.7306	414.0	517.1
L140X12	32.51	12	2.77	104	0.5763	269.8	426.9	0.4270	287.3	613.6		4.31	67	0.8059	377.3	426.9	0.7273	489.4	613.6
L140X14	37.57	14	2.75	105	0.5711	309.0	492.8	0.4210	327.4	708.5		4.28	67	0.8034	434.7	492.8	0.7239	563.0	708.5
L140X16	42.54	16	2.74	105	0.5685	348.3	557.5	0.4181	368.2	801.5		4.26	68	0.8017	491.1	557.5	0.7216	635.4	801.5
L160X10	31.50	10	3.20	90	0.6686	303.3	419.2	0.5451	355.4	602.6		4.97	58	0.8512	386.1	419.2	0.7893	514.7	602.6
L160X12	37.44	12	3.18	91	0.6650	358.5	497.9	0.5404	418.8	715.7		4.95	58	0.8501	458.3	497.9	0.7877	610.5	715.7
L160X14	43.30	14	3.16	91	0.6613	412.3	575.4	0.5357	480.1	827.1		4.92	59	0.8484	529.0	575.4	0.7854	703.9	827.1
L160X16	49.07	16	3.14	92	0.6576	464.6	651.6	0.5308	539.2	936.6		4.89	59	0.8466	598.2	651.6	0.7829	795.3	936.6
L180X12	42.24	12	3.58	81	0.7281	442.9	567.0	0.6230	544.7	815.0		5.59	52	0.8809	535.8	567.0	0.8305	726.2	815.0
L180X14	48.90	14	3.57	81	0.7267	511.7	656.0	0.6212	628.8	943.0		5.57	52	0.8801	619.8	656.0	0.8294	839.5	943.0
L180X16	55.47	16	3.55	81	0.7240	578.3	743.7	0.6175	709.1	1069.1		5.54	52	0.8789	702.0	743.7	0.8276	950.3	1069.1
L180X18	61.95	18	3.53	82	0.7212	643.4	830.2	0.6138	787.2	1193.4		5.51	52	0.8776	782.9	830.2	0.8259	1059.1	1193.4
L200X14	54.64	14	3.98	72	0.7754	610.1	738.7	0.6860	775.9	1061.8		6.20	47	0.9024	710.0	738.7	0.8605	973.2	1061.8
L200X16	62.01	16	3.96	73	0.7733	690.5	837.9	0.6832	877.0	1204.5		6.18	47	0.9018	805.2	837.9	0.8596	1103.4	1204.5
L200X18	69.30	18	3.94	73	0.7712	769.6	936.0	0.6804	976.1	1345.5		6.15	47	0.9008	899.0	936.0	0.8583	1231.2	1345.5
L200X20	76.50	20	3.93	73	0.7702	848.4	1032.8	0.6790	1075.2	1484.7		6.12	47	0.8999	991.3	1032.8	0.8570	1357.1	1484.7
L200X24	90.66	24	3.90	74	0.7669	1001.3	1222.9	0.6747	1266.2	1758.0		6.07	48	0.8983	1172.7	1222.9	0.8548	1604.1	1758.0