METHOD MOULD FOR MANUFACTURE OF PRESTRESSED CAMBERED PANELS - SHELLS Russian patent published in 2001 - IPC

FIELD: construction, applicable for manufacture of reinforced-concrete prestressed panels-shells for a span with a convex two-surfaced cambered flange. SUBSTANCE: deck of the bottom plate has a two surfaced profile. Longitudinal and lateral grooves are formed in the mould length with a space equal half the nominal width of the product. The mould has angular frames for formation of holes in the flange between the transverse ribs and two flanged members for moulding of the widened developed upper part of the section of middle curvilinear rib at formation of fenestration in the product. A similar trapezoidal shape and dimensions of the cross-section of the middle and lateral grooves provide for simplicity of dismantling of forms. The detachable appliances provide for universality of the mould, reduction of metal consumption, facilitate the process of mould readjustment. The mould is used for a definite inclination of edges within 1/12 to 1/8. EFFECT: moulding of products of various design forms. 5 cl, 9 dwg