rsj pulin replacement
i need to determine the sectional dimensions of steel rsj to act as a pulins in a roof. the clear span is 4m the pitch of the roof is 5.5m with a staffs blue tile covering. i think the dead load would be c. 1kn/m. can anyone help ??
IP卡
狗仔卡
发表于 2009-9-15 19:40:07
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡