A.受壓構(gòu)件; B.懸臂結(jié)構(gòu); C.上下鉸接支承的簡(jiǎn)支梁; D.一端鉸支、一端固結(jié)的超靜定梁
A.四鉸框架; B.三鉸框架; C.四邊形剛架; D.簡(jiǎn)支結(jié)構(gòu)
A.1.3和1.5; B.1.4和1.5; C.1.5和1.3; D.1.4和1.3