由中国土木工程学会、加拿大土木工程学会和中国建筑科学研究院共同主办的“第三届发展中国家混凝土国际学术讨论会于1990年5月8日至12日在北京香山饭店召开。这是继在巴基斯坦和印度召开的第一与第二届会议之后,在我国举办的相同主题的学术会议。会议的宗旨是为促进发展中国家之间混凝土技术的交流与合作,推动混凝土应用技术水平的提高作出努 The Third International Symposium on Developing Concrete was jointly organized by the China Civil Engineering Society, the Canadian Civil Engineering Society and the Chinese Academy of Building Research. It was held at the Xiangshan Hotel in Beijing from May 8 to 12, 1990. After the first and second conferences held in Pakistan and India, the same themed academic conference was held in our country. The purpose of the conference is to promote the exchange and cooperation of concrete technology among developing countries and promote the improvement of the concrete application technology level. Make a