Plastic pipe for concrete wall column
You should say that the wire pipe, after threading the use of.
This should be a heat pipe or a temperature measuring tubeMass concrete of thickness greater than 1m, in order to avoid excessive build-up of temperature due to hydration heat of cementUsually need to set up cooling water pipe, concrete pouring, cold water in the pipeline to achieve cooling effectThe temperature measuring tube is used to measure the temperature inside the concrete and is often used as a temperature measuring conductor
Have not seen the template when the tube inserted steel bar, as well as the role of fixed formwork
