Race with increasing momentum sediments on foundation trench
At 14:40,31th March 2016, along with hydraulic jack pulling on, the 25th element has been placed on its position successfully. The 25th element which is the first element to be immersed in year 2016 according to time schedule. Now HZMB immersed tunnel has reached to 4365m length in construction progress. Whole time of The 25th element immersion operation took less than 22 hours which is the best record of element immersion operation time in such 46 meters deep water situation. It is also a result of victory to race with increasing momentum sediments on foundation trench due to effection of sea sand sucking production surrounding upstream water region.