| 摘要 |
The invention relates to a slipway which is made up of two pieces of load-bearing I-beams 1, reinforced with transverse I-beams, and U-beams, both longitudinal- running and transverse-running, are additionally arranged as support for timber 4, and at the start of the slipway a winch 17 is fitted and from the winch 17 wires run along the two I-beams 1 and over a cable wheel 19 mounted on the end extremity down to a respective block of concrete 16, which blocks of concrete are situated on the bottom, which means that the slope of the slipway in an underwater position is adjustable using the winch 17. <IMAGE> |
