公路养护工作巾;对如何通过技术鉴定,来判定木桥因腐朽响影其荷载能力的变化,从而作出相适应的加固;以及木桥偶尔通过超荷载重型车辆,事先亦应获得一定的安全可靠性等,是比较繁难的,特别是一般使用龄期较长已呈腐朽现象的木桥。在日常工作中,养路人员大多是凭经验,根据桥梁重载 Road maintenance work towel; on how to pass the technical appraisal, to determine the wooden bridge due to decadent shadow changes in its load capacity, so as to make the appropriate reinforcement; and wooden bridge occasional heavy-duty vehicles through the overload, in advance should also obtain a certain degree of safety and reliability Sex, etc., is more complicated, especially in the general use of age has been rotten wooden bridge. In daily work, most road maintenance personnel rely on experience, depending on the bridge overloaded