9Ulf Arne Girhammar,Matti Pajari.Tests and analysis on shear strength of composite slabs of hollow core units and concrete topping[J].Construction and Building Materials,2008,22(8):1708-1722.
10Hegger J,Roggendorf T,Kerkeni N.Shear capacity of prestressed hollow core slabs in slim floor constructions.[J].Engineering Structures,2009,31(2):551-559.