. The street railway review . CROSS SECTION OF TRACK CONSTRUCTION WITH CONCRETE SUB-BASE. tamped up to a level l/z in. above the base of the rails. As the con-crete filling-in process nears completion, the portable forms shownin the illustration are arranged and the raised center portionbrought up to form a foundation for the pavement between the pavement. The four Ys at the corners of the capitol square andthe new turnout switches are made of T-rail and built-up Falk spe-cial work. The overhead construction throughout the entire city has been. CROSS SECTION OF TRACK CONSTRUCTION WITH STONE BA
. The street railway review . CROSS SECTION OF TRACK CONSTRUCTION WITH CONCRETE SUB-BASE. tamped up to a level l/z in. above the base of the rails. As the con-crete filling-in process nears completion, the portable forms shownin the illustration are arranged and the raised center portionbrought up to form a foundation for the pavement between the pavement. The four Ys at the corners of the capitol square andthe new turnout switches are made of T-rail and built-up Falk spe-cial work. The overhead construction throughout the entire city has been. CROSS SECTION OF TRACK CONSTRUCTION WITH STONE BALLAST. gage blocks. These forms are built in sections, so that as one por-tion of the concrete bed sets the form shaping it can be movedahead to the new work. Up to this stage of the construction splice bars are used to makethe rail joints. When the concrete bed is being placed, space is leftaround the joints. When the bed has set. the fish plates are re-
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
