. The trackman's helper, a handbook for track foremen, supervisors and engineers . Fig. 39. View of Concrete Post Machine Figure 40 shows an improved style of reinforce-ment now coming into use. It is made entirely ofwire, each wire being crimped to insure a bond withthe concrete. The material is shipped knocked down,as shown at the left of the photograph, and is quicklymade up into the cages shown at the center. Thewires may be of such size as needed to give the re-. Fig. 40. View of Reinforcement for Concrete Posts, Shownin Bundle for Shipping and Ready for Placing in Mold205 20€ THE TKACIOI
. The trackman's helper, a handbook for track foremen, supervisors and engineers . Fig. 39. View of Concrete Post Machine Figure 40 shows an improved style of reinforce-ment now coming into use. It is made entirely ofwire, each wire being crimped to insure a bond withthe concrete. The material is shipped knocked down,as shown at the left of the photograph, and is quicklymade up into the cages shown at the center. Thewires may be of such size as needed to give the re-. Fig. 40. View of Reinforcement for Concrete Posts, Shownin Bundle for Shipping and Ready for Placing in Mold205 20€ THE TKACIOIANS HELPER quired strength. The concrete flows around this re-inforcement without obstruction. As the posts are taken out of the machine theyare placed on a push car. In cold weather they arestored in the house for a few days before being takenout of doors. In warm weather they are stored in-doors or out, as may be most convenient. They areremoved from the molds a day or two after beingmade and stored against the heavy timber racks untilready for shipment or until they are strong enoughto be corded up in piles. For a week after beingremoved from the molds they are thoroughly wetdown once a day and in summer they are protectedfrom the sun by tarpaulins. The methods of attaching the wire fencing to theconcrete posts are illustrated by Figs. 41 and 42. Figure 41 illustrates the post and also the methodof fastening the wires to the posts. By reference tothe cros
Size: 1228px × 2035px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookdecade1910, bookidtrackmanshelperh01kind
