题目: 设计公(铁)路路堤时,当路堤边坡高度大于20m时,应根据填料、边坡高度等加宽路基面,其每侧加宽值Δb按照公式Δb=cHm计算,其中,c、m分别为( )。A.沉降比、道床宽高比B.沉降比、道床边坡坡率C.填料的黏聚力、道床边坡坡率D.填料的黏聚力、道床宽高比 答案: 参考答案:B
题型:单项选择题 某矩形框筒,平面尺寸如题图所示,总高度102m,承受水平力q=20kN/m,可简化成双槽形截面,等效槽形截面如题图所示。角柱为L形、截面面积A3=6.41m2、形心坐标y=0.90m。槽形截面惯性矩为3056.5m4。计算图中底层3号柱所受的轴力N3(kN),其与下列()项数值最为接近。A.1564.9B.1711.4C.2097.8D.1 956.2 查看答案
题型:单项选择题 Which of the following nursing measures would the nurse institute to help reduce eyelid edema in a child with nephrotic syndrome()A. Instill eye drops every 8 hours.B. Limit the child’s television watching.C. Apply cool compresses to the child’s eyes.D. Elevate the head of the child’s bed. 查看答案