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本刊83年第三期刊登了黄振国同志的《旧桥加强时新浇混凝土差动收缩对结构的影响》一文,提出了旧桥加固新老混凝土的差动收缩对结构影响的计算方法,引起了广大读者的注视。为贯彻“双百”方针,活跃学术讨论,特发表马广德同志的《对桥面补强层加固计算方法的商榷》文章,马文对新老混凝土的差动收缩应力计算及加固效益的分析等方面作了补充,使理论计算接近于实际受力状态,更完善了黄振国同志提出的计算方法。
The third issue of 83 published in the magazine, Huang Zhenguo “old bridge to strengthen the new cast concrete differential contraction on the structure of” one article, proposed the old bridge reinforcement of new and old concrete differential contraction on the structure of the calculation method, caused The majority of readers attention. In order to carry out the policy of “double hundred”, active academic discussion, specially published Comrade Ma Guangde’s “discussion on the calculation method of reinforcement of bridge deck” article, Marvin’s differential shrinkage stress calculation and reinforcement benefit analysis of new and old concrete Made a supplement, so that the theoretical calculation is close to the actual state of stress, and improve the calculation method proposed by Comrade Huang Zhen Guo.