支座-反力影响线
a line
influence line of reactions
支座负反力
negative reaction of support
实测反力
measured subgrade reaction
内力及支反力
Internal force and support reaction
静定反力
statically determinate reaction
水平土反力模量
the modulus of horizontal subgrade reaction
静不定反力
statically indeterminate reaction
极限水平反力
ultimate lateral resistance