EXTENSION TREMIE PIPE FOR CONCRETE PLACING

摘要

PURPOSE: An expansion and contraction tremie pipe for convenient concrete placing task is provided to reduce risks on the separating operation of a tremie pipe by controlling the entire length of a tremie using wire length control. CONSTITUTION: An expansion and contraction tremie pipe for convenient concrete placing task comprises a upper tremie(21), a middle tremie(22) and a lower tremie(23). A bottom flange(24) is formed in the bottom part of the upper tremie. The lower tremie is connected to the lower of the upper tremie. The lower tremie slides according to the guide of the upper tremie. An upper flange(25) is formed on the upper end of the lower tremie. The middle tremie is connected between the upper tremie and lower tremie. The middle tremie slides according to the guide of the upper tremie and has the upper flange on the upper end. A bottom flange is formed in the bottom part of the middle tremie.