死而复生——历劫五次的大堡礁Thirteen thousand years ago, as the last ice age ended, entire stretches of Australia’s Great Barrier Reef perished.三万年前,随着最后一个冰河时期的结束,澳大利亚的大堡礁整个消失了。Rising a levels blanketed the world
0引言超高性能混凝土UHPC (Ultra High PerformanceConcrete )具有超高的强度、韧性和耐久性等诸多优良性能,获得了学术界和工程界的广泛关注,中国港湾建设Effect of coral sand loaded with shrinkage reducing agenton the properties of ultra-high performance concret