任何一个工程结构都要承受自身重量,以及承受使用荷载和风力的作用,湿度变化也会对土木工程结构产生力作用。Any Engineering structure must bear its own weight and accept the action of service load and wind.The change
Civil engineering is constructed in various construction projects referred to. It is intended to " Military " project and corresponding. In English, Civil Engineering also includes water conservancy engineering, port