コンクリートポンプ工法における水平配管に用いる鋼製の輸送管の点検の実態に関するアンケート調査

抄録

The purpose of this study is clarify to the actual state of inspection method of steel transport pipes used in horizontal piping by questionnaire survey. The main points of the results are as follows. The most common inspection method is a hammer test using a hand tool. Inspection points are often at both ends and center of the pipe. Inspection frequency is once a month for ultrasonic thickness meter, whereas visual evaluation and hammering test with hand tools are performed before starting work. There are few cases of maintaining inspection records and reporting to general contractors.