【摘要】 兰州南山路工程民大隧道大部分段落距陇海铁路中心线6～8m,混凝土浇注易受到列车振动的干扰。研究过往列车的振动对民大隧道棚洞及框架结构混凝土力学性能的影响,以确定在施工过程中有无必要采取相关措施。依据现有研究成果,在分析新浇混凝土振动影响机理的基础上,研究了振动对混凝土力学性能的影响,提出了民大隧道施工方案。更多还原

【Abstract】 The distance from Minzu University tunnel to Longhai railway is 6～8 meters.Concrete pouring will be affected by train vibration.In order to study the influence of train vibration on mechanical properties of the concrete and whether it is necessary to take measures.The construction scheme for Minzu university tunnel is put forward based on the existing research results and the analysis of the vibration influence on the fresh concrete.更多还原