预应力钢筋混凝土不宜选用的钢筋牌号是()。A:HPB235 B:HRB335 C:HRB400 D:HRB500

作者: rantiku 人气: - 评论: 0
问题 预应力钢筋混凝土不宜选用的钢筋牌号是()。
选项 A:HPB235 B:HRB335 C:HRB400 D:HRB500
答案 A
解析 非预应力钢筋混凝土可选用HPB235、HRB335和HRB400钢筋,而预应力钢筋混凝土则宜选用HRB500、HRB400和HRB335钢筋。

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