Table of Symbols

The symbols used in this document are summarized in the Table of Symbols along with their units. The symbols are listed in alphabetical order.

SymbolDescriptionUnits
\(a\)Plate length (long dimension)\({\text{m}}\)
\(\mathit{AR}\)Aspect ratio
\({\mathit{AR}_{\text{max}}}\)Maximum aspect ratio
\(B\)Risk of failure
\(b\)Plate width (short dimension)\({\text{m}}\)
\(\mathit{capacity}\)Capacity or load resistance\({\text{Pa}}\)
\({d_{\text{max}}}\)Maximum value for one of the dimensions of the glass plate\({\text{m}}\)
\({d_{\text{min}}}\)Minimum value for one of the dimensions of the glass plate\({\text{m}}\)
\(E\)Modulus of elasticity of glass\({\text{Pa}}\)
\(g\)Glass type
\(\mathit{GTF}\)Glass type factor
\(h\)Minimum thickness\({\text{m}}\)
\(\mathit{interpY}\)InterpY
\(\mathit{interpZ}\)InterpZ
\(\mathit{isSafeLoad}\)Load resistance safety requirement
\(\mathit{isSafeLR}\)3 second load equivalent resistance safety requirement
\(\mathit{isSafePb}\)Probability of glass breakage safety requirement
\(\mathit{isSafeProb}\)Probability of failure safety requirement
\(J\)Stress distribution factor (Function)
\({J_{\text{max}}}\)Maximum value for the stress distribution factor
\({J_{\text{min}}}\)Minimum value for the stress distribution factor
\({J_{\text{tol}}}\)Tolerable stress distribution factor
\(k\)Surface flaw parameter\(\frac{\text{m}^{12}}{\text{N}^{7}}\)
\(\mathit{LDF}\)Load duration factor
\(\mathit{Load}\)Applied load (demand) or pressure\({\text{Pa}}\)
\(\mathit{LR}\)Load resistance\({\text{Pa}}\)
\(\mathit{LSF}\)Load share factor
\(m\)Surface flaw parameter\(\frac{\text{m}^{12}}{\text{N}^{7}}\)
\(\mathit{NFL}\)Non-factored load\({\text{Pa}}\)
\({P_{\text{b}}}\)Probability of breakage
\({P_{\text{b}\text{tol}}}\)Tolerable probability of breakage
\({P_{\text{f}}}\)Probability of failure
\({P_{\text{f}\text{tol}}}\)Tolerable probability of failure
\(q\)Applied load (demand)\({\text{Pa}}\)
\(\hat{q}\)Dimensionless load
\({\hat{q}_{\text{tol}}}\)Tolerable load
\(\mathit{SD}\)Stand off distance\({\text{m}}\)
\({\mathit{SD}_{\text{max}}}\)Maximum stand off distance permissible for input\({\text{m}}\)
\({\mathit{SD}_{\text{min}}}\)Minimum stand off distance permissible for input\({\text{m}}\)
\({\mathit{SD}_{\text{x}}}\)Stand off distance (\(x\)-component)\({\text{m}}\)
\({\mathit{SD}_{\text{y}}}\)Stand off distance (\(y\)-component)\({\text{m}}\)
\({\mathit{SD}_{\text{z}}}\)Stand off distance (\(z\)-component)\({\text{m}}\)
\(t\)Nominal thickness t is in \({2.5,2.7,3.0,4.0,5.0,6.0,8.0,10.0,12.0,16.0,19.0,22.0}\)\({\text{mm}}\)
\({t_{\text{d}}}\)Duration of load\({\text{s}}\)
\(\mathit{TNT}\)TNT equivalent factor
\(w\)Charge weight\({\text{kg}}\)
\({w_{\text{max}}}\)Maximum permissible input charge weight\({\text{kg}}\)
\({w_{\text{min}}}\)Minimum permissible input charge weight\({\text{kg}}\)
\({w_{\mathit{TNT}}}\)Equivalent TNT charge mass\({\text{kg}}\)

Table of Symbols