2001 ASD Supplements - unprotected PDF - American Wood Council

ASD STRUCTURAL GLUED LAMINATED TIMBER SUPPLEMENTGL-21Table 4.5(Cont.)Volume Factor for Bending about X-X Axis Western Species GluedLaminated TimberDepthC v when Span (ft.) isd (in.) 12 16 20 24 28 32 36 40 44 48 5210-3/4 in. Width12 0.982 0.954 0.933 0.916 0.902 -- -- -- -- -- --13-1/2 0.971 0.943 0.922 0.906 0.892 0.880 -- -- -- -- --15 0.960 0.933 0.913 0.896 0.882 0.871 0.860 -- -- -- --16-1/2 0.951 0.924 0.904 0.888 0.874 0.862 0.852 0.843 -- -- --18 0.943 0.916 0.896 0.880 0.866 0.855 0.845 0.836 0.828 -- --19-1/2 0.936 0.909 0.889 0.873 0.860 0.848 0.838 0.829 0.822 0.814 --21 0.929 0.902 0.882 0.866 0.853 0.842 0.832 0.823 0.815 0.808 0.80222-1/2 0.922 0.896 0.876 0.860 0.847 0.836 0.826 0.818 0.810 0.803 0.79624 0.916 0.890 0.871 0.855 0.842 0.831 0.821 0.812 0.805 0.798 0.79125-1/2 0.911 0.885 0.865 0.850 0.837 0.826 0.816 0.807 0.800 0.793 0.78727 0.906 0.880 0.860 0.845 0.832 0.821 0.811 0.803 0.795 0.788 0.78228-1/2 0.901 0.875 0.856 0.840 0.828 0.817 0.807 0.799 0.791 0.784 0.77830 0.896 0.871 0.851 0.836 0.823 0.812 0.803 0.794 0.787 0.780 0.77431-1/2 0.892 0.866 0.847 0.832 0.819 0.808 0.799 0.791 0.783 0.776 0.77033 0.888 0.862 0.843 0.828 0.815 0.805 0.795 0.787 0.779 0.773 0.76734-1/2 0.884 0.859 0.840 0.824 0.812 0.801 0.792 0.783 0.776 0.769 0.76336 0.880 0.855 0.836 0.821 0.808 0.798 0.788 0.780 0.773 0.766 0.76037-1/2 0.876 0.851 0.833 0.818 0.805 0.794 0.785 0.777 0.770 0.763 0.75739 0.873 0.848 0.829 0.814 0.802 0.791 0.782 0.774 0.767 0.760 0.75440-1/2 0.870 0.845 0.826 0.811 0.799 0.788 0.779 0.771 0.764 0.757 0.75142 0.866 0.842 0.823 0.808 0.796 0.785 0.776 0.768 0.761 0.754 0.74843-1/2 0.863 0.839 0.820 0.806 0.793 0.783 0.774 0.765 0.758 0.752 0.74645 0.860 0.836 0.818 0.803 0.791 0.780 0.771 0.763 0.756 0.749 0.74346-1/2 0.858 0.833 0.815 0.800 0.788 0.778 0.768 0.760 0.753 0.747 0.74148 0.855 0.831 0.812 0.798 0.785 0.775 0.766 0.758 0.751 0.744 0.73849-1/2 0.852 0.828 0.810 0.795 0.783 0.773 0.764 0.756 0.748 0.742 0.73651 0.850 0.826 0.807 0.793 0.781 0.770 0.761 0.753 0.746 0.740 0.73452-1/2 0.847 0.823 0.805 0.791 0.778 0.768 0.759 0.751 0.744 0.738 0.73254 0.845 0.821 0.803 0.788 0.776 0.766 0.757 0.749 0.742 0.736 0.73055-1/2 0.843 0.819 0.801 0.786 0.774 0.764 0.755 0.747 0.740 0.734 0.72857 0.840 0.817 0.799 0.784 0.772 0.762 0.753 0.745 0.738 0.732 0.72658-1/2 0.838 0.814 0.796 0.782 0.770 0.760 0.751 0.743 0.736 0.730 0.72460 0.836 0.812 0.794 0.780 0.768 0.758 0.749 0.741 0.734 0.728 0.7224DESIGN ADJUSTMENT FACTORSAPA – The Engineered Wood Association