14-1静不定结构概述(Instruction about statically indeterminate structure) 14-2用力法解静不定结构(Solving statically indeterminate structure by force method) 14-3对称及反对称性质的应用 (Application about symmetrical and antisymmetrical properties
5-1引言( Introduction) 5-2纯弯曲时的正应力 (Normal stresses in pure beams) 5-3横力弯曲时的正应力( Normal stresses in transverse bending 5-4梁的切应力及强度条件(Shear stresses in beams and strength condition) 5-5提高梁强度的主要措施( Measures to strengthen the strength of beams)