What is application scope for post-tensioning method?

concrete girder for high speed railway

Post-tensioning method is applicable for post-tensioning of pre-stressed concrete and pre-stress hydraulic tensioning construction (structural member and block production are not included).

Post-tensioning method is usually used to grouting pre-stressed channel, consolidate rapidly roadbed with grouting construction method, grouting structural members such as equipment foundation, anchor pole, spikes and others as well as repair defects in loosening concrete, grouting channels and other processes.

Conventional machinery for construction with post-tensioning method: A. pull rod jack; B. centre hole jack; C. taper anchor jack