Combined-type cable dome structure for elliptic plane with unequal-height boundary
A composite, cable dome technology, applied in the direction of roof, building components, building structure, etc., can solve the problems of reducing the mid-span deflection of the secondary structure and the small spanning capacity of the rigid roof, so as to reduce the cost and construction difficulty, and balance the cable. The effect of unbalanced force, reducing adverse effects
Active Publication Date: 2015-10-14
TIANJIN UNIV RES INST OF ARCHITECTRUAL DESIGN & URBAN PLANNING +1
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The invention discloses a combined-type cable dome structure for an elliptic plane with an unequal-height boundary. The combined-type cable dome structure comprises an outer-ring beam arranged on unequal-height capitals of a lower structure. The outer-ring beam adopts a space-curve form which changes along with the elevation of capitals of the lower structure. The horizontal projection of the outer-ring beam is ellipse. An inner-ring beam is arranged above the middle portion of the outer-ring beam. Inhaul cables and ridge cables are arranged on the outermost ring of the outer-ring beam and the inner-ring beam through a levy-type structure, and inhaul cables and ridge cables are arranged within the outermost ring through a Geiger-type structure. A connecting beam for a balancing cable is arranged on the inner-ring beam additionally, and the balancing cable is arranged between the inner-ring beam and the outer-ring beam additionally. The combined-type cable dome structure can be applied to a structural engineering of which unequal-height horizontal projection of the boundary is an ellipse plane, the structure is forced uniformly, and the stability is strong; node structure is simple, the manufacturing cost is low, and construction is convenient; laying requirements of rigid roofing material can be met.
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