The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 242
orced concrete slab, restingon two inside and two outside longi-tudinal girders, which are supportedin their turn by diagonal girders setat distances of 4.15 m. (13 ft.). Thesurface of the roadbed is covered withan asphalt coating. The tracks an-laid continuously on a 30-40 cm. (12-16 in.) gravel…
Architecture · Building
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