一、单项选择题(RÓu2
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(RÓu2
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1.我国将航道由高到低分为 级。(RÓu2
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A.4(RÓu2
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B.5(RÓu2
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C.6(RÓu2
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D.7(RÓu2
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(RÓu2
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2.船闸引航道口门区要求最大横向流速不大于 。(RÓu2
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(RÓu2
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A.0.2m/s(RÓu2
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B.0.3m/s(RÓu2
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C.0.4m/s(RÓu2
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D.0.5m/s (RÓu2
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3.按岩石土质分,平原河流的碍航浅滩主要是 。(RÓu2
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(RÓu2
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A.石质浅滩(RÓu2
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B.卵石浅滩(RÓu2
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C.砂质浅滩(RÓu2
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D.泥沙浅滩(RÓu2
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5.按照丁坝的挑流角划分,丁坝轴线与水流流向交角小于90度时,丁坝为 。(RÓu2
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A.上挑丁坝(RÓu2
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B.下挑丁坝(RÓu2
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C.正挑丁坝(RÓu2
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D.勾头丁坝(RÓu2
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7.下列哪项不是石质浅滩整治措施 。(RÓu2
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A.疏炸航槽(RÓu2
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B.筑坝壅水(RÓu2
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C.新开航槽(RÓu2
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D.切除滩口(RÓu2
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(RÓu2
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8.下列哪项不是桥梁碍航的原因 。(RÓu2
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A.河道淤积(RÓu2
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(RÓu2
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B.桥位选址不当(RÓu2
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C.通航净空不足(RÓu2
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(RÓu2
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D.无助航标志(RÓu2
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11.梢石排混合护底适用于河床岸坡较缓的地方使用,坡度应缓于 。(RÓu2
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A.1:1.5(RÓu2
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B.1:2(RÓu2
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C.1:2.5(RÓu2
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D.1:3(RÓu2
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12.在大块石来源较困难而砾、卵石较丰富的中小河流,可采用 。(RÓu2
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A.抛石丁坝(RÓu2
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B.充填袋填心坝(RÓu2
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C.抛泥坝(RÓu2
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D.石笼填心坝(RÓu2
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14.在我国根据实践经验,在顺直段一般丁坝的丁坝间距为 。(RÓu2
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(RÓu2
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A.(1.0~1.5)L(RÓu2
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B.(1.2~2.5)L(RÓu2
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C.(1.0~1.5)L(RÓu2
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D. (2.0~2.5)L(RÓu2
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15.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般上游坡面为 。(RÓu2
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A.1:1~1:1.5(RÓu2
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B.1:1~1:2(RÓu2
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C.1:1.5~1:2(RÓu2
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D.1:2~1:3(RÓu2
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(RÓu2
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16.船闸引航道口门区要求回流流速不大于 。(RÓu2
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(RÓu2
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A.0.2m/s(RÓu2
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(RÓu2
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B.0.3m/s(RÓu2
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C.0.4m/s(RÓu2
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D.0.5m/s(RÓu2
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19.按照丁坝的挑流角划分,丁坝轴线与水流流向交角等于90度时,丁坝为:(RÓu2
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A.上挑丁坝(RÓu2
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B.下挑丁坝(RÓu2
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C.正挑丁坝(RÓu2
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D.勾头丁坝(RÓu2
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21.在上沙嘴下移泥沙较多,下深槽倒套较窄,吸流能力不强的情况下,挖槽宜选择在(RÓu2
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(RÓu2
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A.沙埂的头部(RÓu2
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(RÓu2
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B.沙埂的根部(RÓu2
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(RÓu2
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C.沙埂上半部比较窄深的部位(RÓu2
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D.沙埂下半部比较窄深的部位(RÓu2
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25.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般下游坡面为:(RÓu2
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A.1:1~1:1.5(RÓu2
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B.1:1~1:2(RÓu2
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C.1:1.5~1:2(RÓu2
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D.1:1.5~1:2.5(RÓu2
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30.河口单线航道按经验取挖槽宽度为设计船宽的(RÓu2
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A.6~7倍(RÓu2
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B.5~6倍(RÓu2
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C.4~5倍(RÓu2
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(RÓu2
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D.3~4倍(RÓu2
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32.在支流河口段,在水库消落期,上游河段冲刷下来的泥沙,受干流较高水位的顶托,在河口附近淤成大的沙包,影响船舶进出支流河段,称为 。(RÓu2
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A.河口沙(RÓu2
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B.拦门沙(RÓu2
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C.沙坝(RÓu2
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D.浅滩(RÓu2
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33.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般上游坡面为:(RÓu2
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A.1:1~1:2(RÓu2
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(RÓu2
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B. 1:1~1:1.5(RÓu2
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C.1:1.5~1:2(RÓu2
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(RÓu2
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D.1:2~1:3(RÓu2
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34.强潮海相来沙河口可取 倍底沙粒径作为悬沙的粒径。(RÓu2
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(RÓu2
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A.0.5(RÓu2
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B.0.7(RÓu2
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C.1.0(RÓu2
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D.1.3(RÓu2
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35.丘陵地区河流的碍航浅滩主要是 。(RÓu2
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A.弯道浅滩(RÓu2
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B.卵石浅滩(RÓu2
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C.砂质浅滩(RÓu2
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D.泥沙浅滩(RÓu2
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37.河口双线航道按经验取挖槽宽度为设计船宽的(RÓu2
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(RÓu2
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A.6~7倍(RÓu2
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B.5~6倍(RÓu2
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C.4~5倍(RÓu2
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D.3~4倍(RÓu2
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38.抛泥区不宜选择在(RÓu2
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A.凸岸边滩下部(RÓu2
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B.下游不碍航行的深水区(RÓu2
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(RÓu2
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C.下深槽沱口(RÓu2
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D.挖槽进口的上方(RÓu2
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二、多项选择题(RÓu2
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(RÓu2
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4.常用的整治建筑物包括:(RÓu2
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(RÓu2
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(RÓu2
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A.丁坝(RÓu2
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B.护岸(RÓu2
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C.鱼嘴(RÓu2
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(RÓu2
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D.潜堤(RÓu2
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E.导流屏(RÓu2
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10.抛泥区通常适合选择在:(RÓu2
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(RÓu2
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(RÓu2
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A..凸岸边滩下部(RÓu2
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B.下游不碍航行的深水区(RÓu2
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C.下深槽沱口(RÓu2
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(RÓu2
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(RÓu2
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D.挖槽进口的上方(RÓu2
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(RÓu2
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E.不通航道的汊道(RÓu2
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19.整治弯道的方法主要有:(RÓu2
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(RÓu2
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(RÓu2
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(RÓu2
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A.保护凹岸(RÓu2
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B.筑坝导流(RÓu2
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C.筑坝导流(RÓu2
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D.防治弯道恶化(RÓu2
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E.裁弯取直(RÓu2
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20.在挖泥和排泥操作时引起二次污染,主要包括:(RÓu2
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(RÓu2
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(RÓu2
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A. 水和土化学状态的变化B. 水和土物理状态的变化(RÓu2
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C. 水和土生物状态的变化D. 混浊度E. 水中悬浮固体物质的数量变化(RÓu2
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一、单项选择题(RÓu2
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(RÓu2
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13.人字闸门适用于(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.高水头大跨度的船闸 B.低水头大跨度的船闸(RÓu2
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(RÓu2
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(RÓu2
bbs.3c3t.com;̾eDC.双向水头大跨度的船闸 D.双向水头小跨度的船闸(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD19.在上沙嘴下移泥沙较多,下深槽倒套较窄,吸流能力不强的情况下,挖槽宜选择在(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.沙埂的头部 B.沙埂的根部(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD C.沙埂上半部比较窄深的部位 D.沙埂下半部比较窄深的部位(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD22.确定船闸闸室墙顶高程主要决定于(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.下游最高通航水位 B.上游设计洪水位(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD C.上游最高通航水位 D.上游最低通航水位(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD24.悬臂式闸室的两侧闸墙在闸底相接处的受力情况是传递(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.水平推力 B.剪力 C.弯矩 D.弯矩和剪力(RÓu2
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(RÓu2
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有关。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.土壤的颗粒级配和渗流波降的大小 B.土壤的粘聚力和渗透坡降的大小(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD C.渗流流速及渗透坡降的大小 D.土壤颗粒组成的不均匀程度(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD27.在横梁式人字闸门中,由于水平主横梁是它的主要受力构件,所以它适用于(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.闸门宽度较大 B.闸门高度较小 C.闸门高度较大 D.闸门宽比高大(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD38.为了减少单船过闸时间,提高船闸通过能力,并节省过闸用水量,常采用(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.井式船闸 B.带中间闸首的船闸 C.广厢船闸 D.省水船闸(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD41.无粘性土中,渗流变形破坏主要是(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.流土 B.管涌 C.接触流土 D.流土和接触流土(RÓu2
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(RÓu2
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时采用。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.闸门宽度较大时 B.门宽比门高大(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD C.闸门高度较大 D.闸门高度较小(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD位(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD二、多项选择题(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD (RÓu2
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(RÓu2
bbs.3c3t.com;̾eD1.影响浅滩演变的主要因素有(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A.来水 B.比降 C.来沙(RÓu2
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(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD D.河床边界条件 E.降水量(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD5.分离式闸室结构有()型式。(RÓu2
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(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD12.平原或山区河流浅滩整治水位的确定方法有(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A. 流量频率法 B.造床流量法 C. 历时频率法 D. 流量频率法 E.经验方法(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD 15.浮筒式垂直升船机由()构成。(RÓu2
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(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD18.船闸防渗布置可采用(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A. 铺盖 B. 板桩 C. 排水管 D. 倒滤层 E. 齿墙(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD20.弯道整治地措施主要有(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD A. 保护凹岸,防止弯道恶化 B. 筑坝导流,调整岸线(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD C. 裁弯取值,新开航槽 D. 利用锁坝堵塞支汊 E. 利用丁坝堵塞支汊(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD (RÓu2
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(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD(RÓu2
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2.整治水位是(RÓu2
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,整治线宽度是(RÓu2
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的河面宽度。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD3. 丁坝是(RÓu2
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与河岸相接,(RÓu2
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伸向河心,在平面上与河岸构成丁字形,(RÓu2
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阻水的整治建筑物。(RÓu2
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(RÓu2
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、 、(RÓu2
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等。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD5. 船闸输水系统的型式主要可分为(RÓu2
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和(RÓu2
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两种型式。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD6. 闸室结构沉降计算的目的,是计算地基(RÓu2
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和(RÓu2
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,防止沉降量过多而引起危害。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD7. 人字闸门启闭机械根据传动装置的构造不同可分为(RÓu2
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和(RÓu2
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两种。(RÓu2
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(RÓu2
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或(RÓu2
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结构。(RÓu2
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(RÓu2
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和(RÓu2
bbs.3c3t.com;̾eD
分隔开的挡水建筑物。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD10.根据碍航原因可将滩险分为(RÓu2
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,(RÓu2
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和(RÓu2
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。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD11. 推求浅滩设计水位的方法有(RÓu2
bbs.3c3t.com;̾eD
,(RÓu2
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,瞬时水位法。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD12. 航道应有以下基本要求:⑴应有足够的(RÓu2
bbs.3c3t.com;̾eD
,(RÓu2
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和(RÓu2
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。⑵适宜船舶航行的水流条件,包括适宜的流速、良好的流态。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD13. 航道疏浚是指利用(RÓu2
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或其他机具进行航道(RÓu2
bbs.3c3t.com;̾eD
或(RÓu2
bbs.3c3t.com;̾eD
,它是维护和提高航道尺度的一种工程措施。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD14. 对于开敞式阀门,输水廊道内可能会产生(RÓu2
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,密封式阀门后则可能会出现(RÓu2
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,因此需进行输水阀门后廊道内的水力条件校核。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD16. 船闸渗流特点是(RÓu2
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、(RÓu2
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。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD18.垂直升船机根据平衡方式不同,可分为(RÓu2
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、(RÓu2
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和(RÓu2
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垂直升船机。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD19. 按工作条件,输水阀门可分为(RÓu2
bbs.3c3t.com;̾eD
和(RÓu2
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阀门。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD20. 反滤层的主要作用是(RÓu2
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,它通常设置在(RÓu2
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。(RÓu2
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(RÓu2
bbs.3c3t.com;̾eD23.引航道中船舶所受的动水作用为(RÓu2
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和(RÓu2
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。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
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、(RÓu2
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(RÓu2
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、(RÓu2
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。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD25. 整治断面设计包括确定(RÓu2
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,(RÓu2
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,(RÓu2
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。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD26.根据浅滩成因和所在地区分为(RÓu2
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,(RÓu2
bbs.3c3t.com;̾eD
,(RÓu2
bbs.3c3t.com;̾eD
,弯道浅滩,分叉河道浅滩和回水变动区浅滩等。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD27. 最高通航水位的推求方法为(RÓu2
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和(RÓu2
bbs.3c3t.com;̾eD
。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD30. 常用的输水阀门型式有(RÓu2
bbs.3c3t.com;̾eD
和(RÓu2
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。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD31. 地基的稳定性通常用(RÓu2
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来衡量。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD32. 斜面升船机的驱动方式有 (RÓu2
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和(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
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。(RÓu2
bbs.3c3t.com;̾eD
(RÓu2
bbs.3c3t.com;̾eD (RÓu2
bbs.3c3t.com;̾eD