Formwork fully Summarized notes Lecture 5

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Formwork fully Summarized notes Lecture 5

Formwork Lecture 5 Sample pdf Document

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Formwork is a mould or open box, like container into which fresh concrete is poured and
compacted.

• When the concrete is set, the formwork is removed and a solid mass is produced in the
shape of the inner face of the formwork.
• The top is normally left open.
• Falsework is the necessary support system that holds the formwork in the correct position.

FORMWORK ECONOMY

Consider:
1. Design the it to provide adequate but not excessive strength and rigidity.
2. Fabricate the forms into modular sizes to provide more reuses without refabricating
when practical.
3. …
4. …

Column Formwork

• For columns, it is made usually with either timber or metal panels.
• The principle is to create an enclosed box with frames at the exact size of the column and fix it tightly on the kicker left from base or at the last stage of column concreting.

STRIKING TIMES

1.The type of concrete mix used (type of cement) Rapid hardening cement mix requires less time, whereas high water cement ratio needs longer time for striking.
2. …
3. …

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