题图所示砌体结构房屋，层高为3.4m、3.2m、3.2m，开间3.6m，墙厚为240mm，进深5.0m。钢筋混凝土梁搁置处有墙垛130mm×490mm，采用MU10普通烧结砖、M5.0砂浆°底层顶端1—1截面上作用有轴力N0=350kN，梁端支承压力N1=75kN，风荷载w=0.8kN/m2。
窗间墙壁柱的计算翼缘宽度为（）项选择。
A．3.6m
B．1.8m
C．2.0m
D．2.2m
参考答案：B
解析：
规范4.2.8第1款规定多层房屋，当有门窗口时，可取窗间墙宽度，故本题bf=1.80m。
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| I still remember Father spent plenty of time teaching me how to pronounce a word, how to understand something that I saw for the first time and how to be polite to others. And I will never 1 one sentence my father used to say to me, "I love you, son. Say you love me, son." Naturally, I would scream, "I love you, Dad." When I was growing up, I found that I had little in 2 with my father gradually. Sometimes we often argued about something sharply and then the argument changed into a quarrel (争吵). I knew there was a gap between us. I didn't 3 hearing the words "I love you" from my father the last time. To tell you the truth, I couldn't honestly remember when I had last said those words to him, either. Now Father was in hospital. The doctor said it was 4 and he needed an operation at once, 5 he wasn't sure whether my father was able to survive (幸免于, 经受得住) if. Everything in my childhood 6 in my mind. Then I called and said," Dad, I love you!" There was a 7 at the other end and then he replied coldly, "Well, I love you, too!" I cried and said, "Dad, I know you love me, and when you are 8 , I know you will say what you want to say." Fifteen minuets later, my mother called and nervously asked, "Paul, is every thing OK?" A few weeks later, I was working when I received my father's call, "Paul, I love you." I was so 9 that my tears rolled down my cheeks. Perhaps both of us 10 that this special moment had taken our relationship to a new level. A short while after this special moment, my father finally narrowly escaped death following the heart operation. I can't 11 that ifI did not take the first 12 and Dad did not survive the surgery, what kind of life I would lead now. | ||||
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