slipform

plural slipforms

1. uncountableA type of process for setting concrete which uses moveable forms that are moved and reused once the concrete is stiff enough to retain its shape under its own weight.

   On most slipform paving projects, however, small amounts of fixed-form paving or "handwork" are still necessary.

   2014, Norbert J. Delatte, Concrete Pavement Design, Construction, and Performance, →ISBN, page 307

   2 more examples

   Like other Flagg houses, the walls were created of stone (in this case Tennessee quartzite) and mortar using a slipform process.

   2010, Thomas H. Fehring, Whitefish Bay, →ISBN

   The objective of this study is to evaluate the impacts of vibration and consolidation of modern slipform pavers used in Wisconsin on the air-void structure and air content of portland cement concrete pavements.

   2012, Prashant Ram, Field Study of Air Content Stability in the Slipform Paving Process

2. countableA moveable form used when setting concrete using the slipform technique.

   Slipforms of various designs have been used with excellent results.

   1968, Water for Peace: Planning and developing water programs, page 77

   2 more examples

   The slipform is fed with concrete from a crane-carried or rail-mounted bucket.

   2003, Abraham Warszawski, Industrialized and Automated Building Systems: A Managerial Approach, →ISBN

   Vibration may be used ahead of the slipform, but consolidation must be completed as the concrete passes under the form.

   2005, Mary Krumboltz Hurd, Formwork for Concrete, →ISBN, page 15-13

present singular third person slipforms · participle present slipforming · participle past slipformed · past slipformed

1. To use the slipform technique when creating a concrete structure.

   However, with recent developments, it is possible to slipform continuous vertical flutings and varying cross sections.

   2012, JHA, Formwork for Concrete Structures, →ISBN, page 329

   3 more examples

   Since most horizontal slipforming is against a fixed form support such as rock or earth, the operation is essentially a consolidating-screeding-finishing operation.

   2005, Mary Krumboltz Hurd, Formwork for Concrete, →ISBN, page 15-12

   To facilitate and speed construction, Charlie Pankow chose to slipform not only the service and elevator core but also the stairwells -- a more complex operation than the slipforming of the American Cement Building.

   2013, Michael R. Adamson, A Better Way to Build: A History of the Pankow Companies, →ISBN, page 60

   New materials such as the by-product PFA helped attain the extra durability required and it is quite common today to slipform with concrete that has 30% replacement of cementicious material and large doses of admixtures.

   2014, Ravindra Dhir, Neil Henderson, Concrete in the Service of Mankind, →ISBN