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LATTICE GIRDERS

E	TYPE E1	TYPE E2	TYPE E3
Diameter 1	20 mm	20 mm	25 mm
Diameter 2	25 mm	32 mm	32 mm
Diameter 3	12 mm	12 mm	12 mm
Diameter 4	16 mm	16 mm	16 mm
AST 1	628.4 mm2	628.4 mm2	981.8 mm2
AST 2	490.9 mm2	804.2 mm2	804.2 mm2
H	160 mm	170 mm	180 mm
B	220 mm	220 mm	220 mm
Ex	70.3 mm	90.8 mm	80.7 mm
lxx	524.5 cm4	738.16 cm4	1023.67 mm4
zXX	58.48 cm3	93.25 cm3	103.11 cm3
lyy	631.81 cm4	635.04 cm4	942.26 cm4
Zyy	57.4 cm3	57.73 cm3	85.66 cm3
Weight	11.675 kg/m	14.141 kg/m	16.871 kg/m
Please note: Any configuration or bespoke design can be accommodated. Tel +44 (0)7774005522 details or email tunnelling@rom-tech.co.uk

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