statically indeterminate structurestatically indeterminate torsionstatically unstablestaticsstationstation year methodstationarystationary complementary energystationary fontstationary formworkstationary mixerstationary potential energystationary processstationary valuestationary vehiclestatisticalstatistical designstatistical homogeneity in spacestatistical inferencestatistical mechanicsstatistical unitstatisticsstatuestaunching wallstavestave in place formstay ropesteadysteady flowsteady jumpsteady loadsteady motionsteady non uniform flowsteady non uniform rapid varied flowsteady seepagesteady statesteady state conditionsteady state forced vibrationsteady state precessionsteady state vibrationsteady uniform flowsteady uniform turbulent flowsteady water levelsteam curingsteam gaugingsteam hammersteam pumpsteam valvesteelsteel aggregate concrete