装配式桥梁构件在脱底模、移运、堆放和吊装就位时,混凝土强度一般应大于设计强度的()。A、75% B、70% C、65% D、60%

作者: rantiku 人气: - 评论: 0
问题 装配式桥梁构件在脱底模、移运、堆放和吊装就位时,混凝土强度一般应大于设计强度的()。
选项 A、75% B、70% C、65% D、60%
答案 A
解析 新版教材P49,装配式桥梁构件在脱底模、移运、堆放和吊装就位时,其混凝土强度一般不应低于75%,方可拆模,调运等。
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