Array
(
[0] => Array
(
[id] => 2
[name] => 首页
[category_id] => 221
[url] =>
[active] => 1
[position] => 1
[blank] =>
[is_out] =>
)
[1] => Array
(
[id] => 4
[name] => 氿上商城
[category_id] => 221
[url] => goods
[active] => 1
[position] => 2
[blank] =>
[is_out] =>
)
[2] => Array
(
[id] => 1
[name] => 学习园地
[category_id] => 221
[url] => news
[active] => 1
[position] => 5
[blank] =>
[is_out] =>
)
[3] => Array
(
[id] => 16
[name] => 氿上知道
[category_id] => 221
[url] => question
[active] => 1
[position] => 4
[blank] =>
[is_out] =>
)
[4] => Array
(
[id] => 5
[name] => 供求信息
[category_id] => 221
[url] => trade
[active] => 1
[position] => 3
[blank] =>
[is_out] =>
)
[5] => Array
(
[id] => 3
[name] => 软件下载
[category_id] => 221
[url] => jsyjj/list/409
[active] => 1
[position] => 6
[blank] =>
[is_out] =>
)
[6] => Array
(
[id] => 46
[name] => 氿上云管理
[category_id] => 221
[url] => yun/index
[active] => 1
[position] => 7
[blank] =>
[is_out] =>
)
[7] => Array
(
[id] => 22
[name] => 氿上花园
[category_id] => 221
[url] => garden
[active] => 1
[position] => 999
[blank] =>
[is_out] =>
)
)
柱、梁的箍筋设计的是1级钢,但没有1级钢,用3级钢代换可以吗? - 工程施工 - 项目管理 - 氿上知道
返回顶部
从价格方面:首先就是不实惠,如果你这样做的话,怕是老板首先把你给炒鱿鱼;
其次从实用角度讲:三级钢的直径大于一级钢的直径,做箍筋,有句古话就叫做大材小用;
最后建议:这样的替代是不合理不切合实际的,最好不要替换了。
1.1级钢的说法早已废除,现行概念和标准都不一样了。
2.1级钢筋是光圆钢筋,其他是变形钢筋。3级比1级贵得多。
3.1级钢筋冷弯角可达180度,冷弯直径不小于钢筋直径。
3级钢筋冷弯角只达90度,冷弯直径不小于3倍钢筋直径。
4.3级钢筋不宜用作箍筋,还是不要代换了吧。