... resources and capabilities of its brother company - Phu My Designing & Consulting Company -PMDC Co, Phu My Engineering Construction Joint Stock Company (PMEC) is a company who specializes ... techniques of civil & structural engineer-ing into practice of Vietnam construction industry. We dedicate our best efforts to promote the applica-tion of the latest techniques and state -of- the-art ... construction cost of posttensionedslab is less than the cost of reinforcedconcrete (RC) flat slab.L>7.5 (m): the construction cost of post-tensionedslab is well less than the cost of RC slab...