Formwork can be of several types and varieties. Those which are going to be used for under water have to satisfy several conditions. Generally, they should be able to withstand dynamic and static loading due to concrete, waves or tides. They should support the concrete during the plastic phases. They should be easy to fix and else. The form works can be permanent (masonry, concrete blockwork and bagwork), reusable (must be robust, simple to erect and strike), or flexible (pre-filled hessian or canvas bags).
Formwork Beautiful Selection
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