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第五届全国混凝土外加剂学术交流会和第三届全国混凝土外加剂协会年会于1993年4月24日至28日在天津举行。出席本次会议共有187名代表,其中包括外加剂委员会第三届委员25名,外加剂协会理事31人和会员,学术论文作者,外加剂生产厂家和一些工程单位的技术人员等。会上有8位代表演讲了论文,全体代表还分三组讨论,讨论的主题分别是:“混凝土耐久性及有关问题”、“混凝土泵送剂有关问题”和“有关外加剂的其它问题”。最后外加剂委员会对两年工作做了总结。委员会计划在1994年内召开“膨胀剂应用技术及性能”、“高强高性能商品混凝土泵送技术”两个专题座谈会。4月27
The 5th National Concrete Admixture Academic Exchange Conference and the 3rd National Concrete Admixture Association Annual Meeting were held in Tianjin from April 24th to April 28th, 1993. A total of 187 delegates attended the meeting, including 25 members of the Third Committee of the Adjuvant Committee, 31 members of the Association of Admixtures, members, authors of academic papers, manufacturers of additive products, and technical personnel of some engineering units. At the meeting, eight representatives spoke on thesis, and all representatives also discussed in three groups. The topics discussed were “Concrete Durability and Related Issues”, “Relevant Problems with Concrete Pumping Agents,” and “Other Issues Concerning Admixtures.” . The final admixture committee summarized the two-year work. The committee plans to convene two special symposiums on “expansion agent application technology and performance” and “high-strength and high-performance commercial concrete pumping technology” in 1994. April 27