简述重力坝易出现地震震害的位置和抗震措施。
参考答案：重力坝易出现地震震害的位置：
①坝顶和断面突变处易出现裂缝；
②原有裂缝易扩展延伸；
③孔口及廊道附近易开裂；
④接缝止水易破坏。
重力坝抗震措施：
①作好地基处理，加强接触面的结合；
②加强施工质量控制和养护，防止出现早期裂缝；
③重量、变形、刚度、几何等突变部位设缝；
④增加坝顶强度、刚度以及布筋；
⑤孔口、廊道附近布筋；
⑥坝后设置检修桥。
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| Cats have no emotions. At least, that's what my husband once claimed. I 1 that my two cats experience emotions. They feel anger, fear, and 2 . He agreed with me, but 3 his opinion that cats don't feel love. 4 , my tuxedo cat, Sebastian, would teach him otherwise. When my next-door neighbour moved in, he had a she cat named Juliet. She was an indoor lady, always watching 5 through the window. Then one day when I 6 my cat to the backyard for his playtime, Sebastian 7 Juliet gazing at him behind the window. It soon became 8 that they were attracted by each other. So every day thereafter, whenever I let Sebastian out, he would rush 9 to the backyard next-door and they would sit gazing 10 at each other through the screen, she inside, and he outside. Even my husband watched 11 , and he would murmur, "But cats can't feel love...can they?" Five months later, my neighbour had to 12 because of work. My heart sank. I wondered how Sebastian would 13 to Juliet's leaving. For months after Juliet moved away and the new neighbour moved in, I often 14 Sebastian sitting by Juliet's window, looking into the apartment 15 his lady. The new neighbour didn't mind having the "Peeping Sebastian" after I 16 his reason for being there. Sebastian 17 the small area outside that window as his territory. Other male cats were allowed in the 18 , but not near Juliet's window, which he guarded until his 19 . Even riow, when my husband and I walk through the backyard and see that window, he 20 me of the lesson Sebastian taught him... that cats do indeed fall in love. | ||||
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