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...Design and construction of concrete formwork introduction materials lumber allowable stresses for plywood engineering properties ties anchors hangers column clamps loads on lateral pressure recommended values form gravity considerations multistory arch alexander analysis simplifying assumptions beam formulas purdue university stress calculations deections serves as a mold to produce elements having desired size conguration it is usually erected this purpose then removed after the has cured satisfactory strength in some cases forms may be left place become part permanent structure performance must adequately strong stiff carry produced by workers placing nishing any equipment or supported many structures largest single component cost control important select use that are well suited job addition being economical also constructed with sufcient quality nished element meets specications position nish designed used so all safety regulations met costs can exceed total savings should ideally ...