3 bar type

Lattice Girders, Steel Arches & Props

Lattice Girders avaible in straight and arched segments 1. Joint Plate: ASTM A36 min.
2. Foot Plate: ASTM A36 min.

Lattice Girder Bar Material: Tensile Strength 80ksi (550 MPa) min.
Yield Strength 70ksi (480 MPa) min.
Elongation 10% minimum Connecting Bolts:
ASTM A325 Ø 3/4" minimum

O.P.	Bar Size			Weight	H	B	e	H₁	Ix	Sx	ly	By	Joint Plate			Foot Plate
Type	S₃	S₂	S₁	[lbs/ft]	[in]	[in]	[in]	[in]	[in²]	[in²]	[in²]	[in²]	Size [in]	Length [in]	Unit Wt [lbs]	Size [in]	Unit Wt [lbs]
50	6	8	0.39°	6.72	3.70	3.94	2.01		3.441	1.716	2.324	1.180	L4 x 3 x 3/8x	4 9/16	3.2	3/8x5x5	2.7
50	6	10	0.39°	8.26	3.94	3.94	1.88		4.676	2.226	2.395	1.216	L4 x 3 x 3/8x	4 9/16	3.2	3/8x5x5	2.7
70	6	8	0.39°	6.95	4.50	5.60	2.42	2.75	5.544	2.295	5.064	1.846	L4 x 3 x 3/8x	5 5/16	3.5	3/8x6x6	3.8
70	6	10	0.39°	8.59	4.77	5.60	2.20	2.75	7.376	2.886	5.135	1.867	L4 x 3 x 3/8x	5 1/2	3.7	3/8x6x6	3.8
70	8	11	0.39°	11.83	5.16	5.60	2.69	2.75	12.108	4.465	8.226	2.991	L4 x 3 x 3/8x	5 3/4	3.9	3/8x6x6	3.8
95	6	8	0.39°	7.07	5.50	7.09	2.94	3.76	8.937	3.036	8.950	2.526	L4 x 3 x 3/8x	5 9/16	4.4	3/8x7x8	6.0
95	6	10	0.39°	8.70	5.77	7.09	2.59	3.76	11.741	3.751	9.028	2.548	L4 x 3 x 3/8x	6 3/4	4.6	3/8x7x8	6.0
95	8	11	0.39°	12.05	6.16	7.09	3.18	3.76	18.883	5.854	14.840	4.188	L4 x 3 x 3/8x	7 1/16	4.8	3/8x7x8	6.0
115	6	8	0.47°	7.94	6.25	8.66	3.37	4.50	12.182	3.636	13.906	3.21	L5 x 3 x 1/2x	7 11/16	8.0	3/8x8x9 1/2	8.1
115	6	10	0.47°	9.58	6.52	8.66	2.91	4.50	15.849	4.416	13.985	3.229	L5 x 3 x 1/2x	7 13/16	8.1	3/8x8x9 1/2	8.1
115	8	11	0.47°	12.92	6.91	8.66	3.69	4.50	25.208	6.953	23.342	5.390	L5 x 3 x 1/2x	8 1/8	8.4	3/8x8x9 1/2	8.1
130	6	8	0.47°	7.76	6.87	8.66	3.69	5.12	15.015	4.068	13.906	3.211	L5 x 3 x 1/2x	8 1/8	8.4	3/8x8x9 1/2	8.1
130	6	10	0.47°	9.39	7.14	8.66	3.15	5.12	19.379	4.929	13.977	3.229	L5 x 3 x 1/2x	8 5/16	8.6	3/8x8x9 1/2	8.1
130	8	11	0.47°	12.73	7.53	8.66	3.93	5.12	30.623	7.794	23.342	5.390	L5 x 3 x 1/2x	8 3/4	9.3	3/8x8x9 1/2	8.1