混凝土及砌体结构（Concrete and masonry structures ）.doc

混凝土及砌体结构02（Concrete and masonry structures 02） Item number: 1 the score: 4 Reinforced concrete T shaped and I shaped cross section shear and torsion calculation can be divided into rectangular blocks, at this time (C) A, the web shear and torque to withstand all B, flange shear and torque to withstand all C, the shear webs withstand torque to bear by web and flange D, torque from the web to bear, bear by shear webs and flanges Item number: 2 the score: 4 Small eccentric tension members in axial force, a certain role in the (B) A, $A_ (s), and $A_ (s) force point ($^ ) outside force B, $A_ (s), and $A_ (s) force point ($^ ) within the force point C, within section Besides, D section Item number: 3 the score: 4 Generally speaking, under the same conditions, the reinforced concrete column with spiral stirrups compared with reinforced concrete columns with ordinary stirrups, the bearing capacity of the bearing capacity than the latter (B) A, low B, high C, equal D, not sure Item number: 4 the score: 4 The stability coefficient of axial compression members and the main (C). A, the strength of concrete B, reinforcement ratio C, slenderness ratio D, load Item number: 5 the score: 4 For reinforced concrete eccentric tension members, the following statement is wrong (A) A, if $xixi_ (b) $, that is the small eccentric tension failure B, a small eccentric tension member failure, concrete completely out of work, all the tension borne by the steel There are C, large eccentric compression zone of concrete member D, the big and small eccentric tension members of the judgment is based on the role of longitudinal tensile force N position Item number: 6 the score: 4 The core area of the compressive strength of concrete spiral reinforcement column is higher than that of $f_ (c) $is because (C) A, spiral reinforcement in compression B, the core area of spiral reinforcement concrete C, spiral reinforcement binding transverse deformation of concrete core area D, which does not appear in