초록 ▼

A structural tie shear connector utilized in a concrete and insulation sandwich wall panel having first and second wythes and an insulation layer interposed therebetween. The connector includes first and second horizontal strands of thermally non-conductive material which are adapted to be encased b

A structural tie shear connector utilized in a concrete and insulation sandwich wall panel having first and second wythes and an insulation layer interposed therebetween. The connector includes first and second horizontal strands of thermally non-conductive material which are adapted to be encased by the respective wythes. A transverse web of thermally non-conductive material interconnects the first and second strands through the insulation layer. The web includes strands formed into a lattice structure. At least one of the strands of the lattice extends at an angle with respect to one of the first and second strands so as to be in tension when a load is applied to the wall panel. The connector resembles a bow tie. The method of making sandwich wall panels disclosed herein includes pouring the first layer of concrete into a form; laying a plurality of insulation strips adjacent each other to define at least one gap therebetween; providing a bow tie shear connector having a chairing loop portion thereon; while the first layer of concrete is still plastic, inserting the connector through the gap and into the first layer of concrete such that the chairing loop portion rests on the bottom of the form; and pouring a second layer of wet concrete onto the insulation strips in the form. The chairing loop positively locates the connector with respect to the form, the concrete layers and the insulation layer without being affixed to the insulation.

대표청구항 ▼

[ What is claimed is:] [1.] A concrete and insulation sandwich wall panel, comprising:a first concrete wythe having an exposed surface;a second concrete wythe having an exposed surface generally opposite the exposed surface of the first concrete wythe;an insulative layer interposed between the first

[ What is claimed is:] [1.] A concrete and insulation sandwich wall panel, comprising:a first concrete wythe having an exposed surface;a second concrete wythe having an exposed surface generally opposite the exposed surface of the first concrete wythe;an insulative layer interposed between the first and second wythes, the insulative layer having at least one gap therethrough in communication with both the first and second concrete wythes;a tie shear connector extending through the gap and imbedded into the first and second concrete wythes, the connector being a structural tie shear connector including first and second spaced horizontal strands of thermally non-connective material, the first strand being incased by the first concrete wythe and the second strand being encased by the second concrete wythe;a web of thermally non-connected material intregally joining the first and second strands through the gap in the insulative layer, the web comprising a continuous main loop, at least one portion of the loop extending at an angle with respect to one of the first and second strands such that the angled portion of the loop is in tension when a load is applied to the sandwich wall panel; andan anchoring loop portion that extends outwardly beyond one of the first and second horizontal strands and into one of the first and second concrete wythes so as to form a continuous closed loop defining a space therewithin filled with concrete to hold the connector in place.