Page 307 - Ship Construction.DJ Eyres 6Ed

Ch25-H8070.fm Page 296 Wednesday, October 18, 2006 7:00 AM
296 Ship Construction
(a) CLOVERLEAF SOCKET
AND ELEPHANTS FOOT
TIE DOWNS

--- ใช้เพื่อการศึกษาเท่านั้น---
Vertical
girder
150 × 150 × 12
Stackerศูนย์ฝกพาณิชย์นาวี
20 mm
(b) CELL GUIDES
300 × 20

Container
ึ

งานห้องสมุด Raised deck (c) DECK FITTING

socket

FIGURE 25.5

will jam, if it is too large when one container lands on the one below the corner
posts and castings which accept a maximum eccentricity may not mate. Lloyd’s
stipulate a maximum clearance of 25 mm in transverse direction and 40 mm
in the longitudinal direction. The tolerances are such that the cell guides
have to be fitted to an accuracy exceeding normal shipyard practice with the
use of jigs to ensure the dimensions are maintained following welding. Lloyd’s
require that the cell guide not deviate from its intended line by more than