【多选题】关于钢筋的采用和结构,下列说法正确的有()
A.
钢筋混凝土结构的混凝土强度等级不应低于C20
B.
当采用HRB335级钢筋时,混凝土强度等级不宜低于C20
C.
当采用HRB400级和RRB400级钢筋以及承受重复荷载的构件,混凝土强度等级不得低于C25
D.
钢筋混凝土结构中钢筋和预应力混凝土结构中的非预应力钢筋宜优先采用HRB400级和HRB335级钢筋,以节省钢材
【简答题】预应力混凝土结构中的非预应力钢筋,优先采用?级和?级钢筋 注:直接填答案,由于非智能,请按照书上出现的顺序填写,不要出现标点符号
【判断题】根据《结构规范》,钢筋混凝土和预应力混凝土结构中的非预应力钢筋宜优先采用 HRB400、 HRB500、 HRBF400、 HRBF500 钢筋,预应力混凝土结构中的预应力钢筋宜采用 预应力钢绞线、 中高强钢丝 和 预应力螺纹钢 。
【单选题】11 When a project manager is running over the budgeted costs, the project manager can typically _____ to attempt to get the project back on budget. A. Reduce features and/or functionality B Increase r...
【判断题】“拉式策略”适用于价格高,专业性强,使用方法及性能比较复杂,目标市场集中,销售渠道短,销售面窄的生产资料产品。
【单选题】During a meeting with some of the project stakeholders, the project manager is asked to add work to the project scope of work . The project manager had access to correspondence about the project befor...
A.
let the sponsors know of the stakeholders' request .
B.
evaluate the impact of adding the scope of work .
C.
tell the stakeholders the scope cannot be added .
D.
add the work if there is time available in the project schedule .
【单选题】93 When a project manager is running over the budgeted costs, the project manager can typically _____ to attempt to get the project back on budget.
A.
Reduce features and/or functionality
C.
Incur a schedule slippage (to obtain more favorable pricing due to lengthened delivery times)
【简答题】根据《结构规范》,钢筋混凝土和预应力混凝土结构中的非预应力钢筋宜优先采用 、 、 、 钢筋,预应力混凝土结构中的预应力钢筋宜采用 、 和 。