摘要:工民建中的民用住宅、办公楼;水工建筑中的厂房、箱涵、防浪墙、涵闸等工程建筑物的结构安全和防渗等绝大多数由混凝土和钢筋混凝土承担,因此混凝土的质量在工程建筑物中显得尤其重要。 关键词:工民建筑;混凝土施工;质量 Abstract: Engineering building structure safety and seepage control was undertaken by conc
In September 1939 the Nazi Germany invaded Poland and un-leashed the Second World War,a war unparalleled in history forits destruction and savagery.The war was
【摘要】:分析了影响当地公路养护成本的因素,提出了降低公路养护成本的对策。 【关键词】:公路; 养护成本; 因素; 对策 Abstract: this paper analyzes the factors of affecting the cost of local road maintenance, and proposed countermeasures to reduce road ma