PRE-CONCRETE CHECKS FOR FORMWORK: Before the concrete is poured into the formwork, it must be checked by someone who has been trained to inspect formwork. Depending on how big or complicated the pour is, the inspection may just take few minutes or it could take hours. Only when the formwork has been approved, may the(…)
Formwork/Shuttering
FORMWORK AND GOOD FORMWORK PROPERTIES
What is formwork? When concrete is fresh and in its liquid state it must be restrained within a mould in order for it to set in its required shape. Formwork is the term used to describe this mould. For most in-situ pours, the formwork is made of wood. A smooth outer surface provides the main(…)
FORMWORK– TECHNICAL, FUNCTIONAL & ECONOMIC REQUIREMENTS
Formwork is a temporary mould into which fresh concrete and reinforcement are placed to form a particular reinforced concrete element. A typical breakdown of total construction percentage costs shows that formwork material and labour alone consists of 35% of the total concrete construction cost. In the construction of a structural element, the cost distribution can(…)
MATERIALS FOR FORMWORK
Following are the materials which are used for formwork: Plywood: This is by far the most common material used for the facing panel. It is easily cut to shape on site, and if handled and stored carefully, it can be used many times. Note the different thickness: A standard plywood thickness on site is 18mm.(…)
TYPES OF FORMWORK (SHUTTERING)
Formwork is an ancillary construction, used as a mould for a structure. Into this mould, fresh concrete is placed only to harden subsequently. The construction of formwork takes time and involves expenditure upto 20 to 25% of the cost of the structure or even more. Design of these temporary structures are made to economic expenditure.(…)