| 摘要 |
A method for constructing in situ an elevated annular platform. The steps include a) erecting a curved flanged support beam, b) locating a plurality of metal sheets about each side of the beam, c) positioning a supporting structure for the support of the sheets, d) locating an upright edging in defining a mold cooperantly with the sheets, e) positioning and securing reinforcing material within the mold, f) securing packaging within the mold, g) filling the mold, and h) removing the supporting structure and sheets. |
