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English Translations » 历史存档[信息] » 【Daily Topic】【Civil Engineering Version 20160509】

【Daily Topic】【Civil Engineering Version 20160509】

2016-05-08View Original

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Participation reward: 2 Wealth. Reward for the correct answer: 9 Wealth. For a reinforced concrete beam with a span of 7.4 m, the strength of the concrete at the time the formwork is removed should reach （　） of its designed strength value. A、50% 　 　B、75% 　 　C、85% 　 　D、100%
Reply #22016-05-09
For a reinforced concrete beam with a span of 7.4 m, the concrete strength should reach (B %) of its designed strength value when the formwork is removed. A、50% 　 　B、75% 　 　C、85% 　 　D、100%
Reply #32016-05-09
For a reinforced concrete beam with a span of 7.4 m, the concrete strength should reach (B %) of its designed strength value when the formwork is removed. A、50% 　 　B、75% 　 　C、85% 　 　D、100%

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Translated at 2026-07-21 00:16:54

Original: https://bbs.hcbbs.com/thread-1584622-1-1.html

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