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English Translations » 【公用配套及基建圈】 » 【Daily Question】Utilities – Civil Engineering – 20190715

【Daily Question】Utilities – Civil Engineering – 20190715

2019-07-16View Original

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This post was last edited by hesonchang214 on 2019-7-18 08:37. In normal environments, to increase the design service life of concrete structures, what are the requirements regarding the concrete strength grade and water-cement ratio? ( ) A. Increase the strength grade and increase the water-cement ratio B. Increase the strength grade and decrease the water-cement ratio C. Decrease the strength grade and increase the water-cement ratio D. Decrease the strength grade and decrease the water-cement ratio. Answer: B
Reply #22019-07-16
B. Increase the strength grade and reduce the water-cement ratio

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Translated at 2026-07-23 11:03:53

Original: https://bbs.hcbbs.com/thread-2742533-1-1.html

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