Slipform Construction Methods

Slip form is an important construction technique for construction of tall towers and sky scrapers. There are three main slip form construction techniques: traditional, conical and gantry slip form techniques.Some tools and equipment used in slip form procedure(like heavy lifting equipment) are also used in heavy form work transportation. Slip form also plays an important role in Bridge construction.
Source: http://bygging-uddemann.co.kr/conical-slipform-supply/