| 摘要 |
The supporter for a temporary construction such as a stage or a platform was manufactured. The supporter (1) has four pillar (2) arranged at regular intervals, two upper ends area of the pillar member are connected to four upper plates (3) by bolts and a upper chord member higher than the pillar member is formed. A supporter (2) is supported by two upper chord member supporter (5). Two parallel lower chord members (6) are formed by four lower plates (4) in the same method of upper chord member supporter.
|
