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[{"id":14762,"title":"对现场填筑土围堰的施工要求是( )。","stem":"","options":"围堰填筑应自上游开始至下游合拢^*@*^筑堰材料宜用黏性土、粉质黏土或砂夹黏土^*@*^打木桩固定^*@*^围堰底下河床底上的淤泥、石块、杂物应清净^*@*^要分层夯实","answer":"A,B,D","explanation":""},{"id":14480,"title":"土中水有固、液、气三种形态,其中液态水有( )。","stem":"","options":"吸着水^*@*^薄膜水^*@*^毛细水^*@*^重力水^*@*^滞水","answer":"A,B,C,D","explanation":""},{"id":14571,"title":"改性沥青混合料压实作业除执行普通沥青混合料压实要求外,还应做到( )。","stem":"","options":"初压开始温度不低于130摄氏度^*@*^初压开始温度不低于150摄氏度^*@*^碾压终了的表面温度应不低于90摄氏度^*@*^宜采用振动压路机或钢筒式压路机碾压^*@*^宜优先采用重型轮胎压路机进行碾压","answer":"B,C,D","explanation":""},{"id":15132,"title":"常用的人工补偿器有( )。","stem":"","options":"L形补偿器^*@*^Z形补偿器^*@*^方形补偿器^*@*^波形补偿器^*@*^套筒式补偿器","answer":"C,D,E","explanation":""},{"id":14250,"title":"按照对污染物的去除途径不同,给水预处理方法可分为( )。","stem":"","options":"吹脱法^*@*^吸附法^*@*^氧化法^*@*^生活活性炭法^*@*^生物膜法","answer":"B,C","explanation":"按照对污染物的去除途径不同,给水预处理方法可分为氧化法和吸附法。"},{"id":15009,"title":"给水与污水处理构筑物和设备安装、试验、验收完成后,正式运行前必须进行联机运行,具体要求为( )。","stem":"","options":"按工艺流程各构筑物逐个通水连机试运行正常^*@*^全厂联机试运行、协联运行正常^*@*^先采用手工操作,处理构筑物和设备全部运转正常后,方可转入自动控制运行^*@*^全厂联机运行应不少于24h^*@*^监测并记录各构筑物运行情况和运行数据","answer":"A,B,C,D,E","explanation":""},{"id":14404,"title":"再生沥青混合料中旧料含量的确定因素有( )等。","stem":"","options":"路面层位^*@*^旧路面材料的品质^*@*^再生沥青性能^*@*^再生剂的性能^*@*^交通量","answer":"A,E","explanation":"再生沥青混合料中旧料含量:如直接用于路面面层,交通量较大,则旧料含量取低值,占30%~40%;交通量不大时用高值,旧料含量占50%~80%。"},{"id":14240,"title":"下列关于给水排水管道开槽的施工要求的表述中,正确的是( )。","stem":"","options":"槽底原状地基土不得扰动,机械开挖时槽底预留200~300毫米^*@*^人工开挖沟槽的槽深超过2米应分层开挖^*@*^人工开挖放坡开槽时多层沟槽的层间留台宽度不应小于0.5米^*@*^采用机械开挖沟槽时,沟槽分层的深度应按机械性能确定^*@*^开始支撑的沟槽开挖深度不得超过1.5米","answer":"A,D","explanation":"人工开挖沟槽的槽深超过3米应分层开挖,人工开挖放坡开槽时多层沟槽的层间留台宽度不应小于0.8米,开始支撑的沟槽开挖深度不得超过1.0米。"},{"id":14180,"title":"园林与城镇道路不同,除具有组织交通的功能外,还有划分空间、引导旅游和构成园景的作用,一般有( )。","stem":"","options":"整体路面^*@*^块料路面^*@*^碎料路面^*@*^水泥混凝土路面^*@*^沥青混凝土路面","answer":"A,B,C","explanation":"园林与城镇道路不同,除具有组织交通的功能外,还有划分空间、引导旅游和构成园景的作用,一般有整体路面、块料路面、碎料路面、简易路面。水泥混凝土路面与沥青混凝土路面属于整体路面。"},{"id":14252,"title":"现浇混凝土水池施工,关于止水带的安装,下列说法正确的是( )。","stem":"","options":"塑料或橡胶止水带接头应采用热接^*@*^塑料或橡胶止水带接头应采用叠接^*@*^金属止水带接头应按其厚度分别采用折叠咬接或搭接,搭接长度不小于20毫米^*@*^金属止水带接头的咬接或搭接可以采用单面焊接^*@*^金属止水带在伸缩缝中的部分应涂防锈和防腐涂料","answer":"A,C,E","explanation":"塑料或橡胶止水带接头应采用热接,不得采用叠接;金属止水带的咬接或搭接必须采用双面焊。"},{"id":14924,"title":"选择塑流化改良材料的依据条件主要有:土质、地下水压、水离子电性、是否泵送排土、加泥(泡沫)设备空间、费用和( )。","stem":"","options":"无污染^*@*^透水系数^*@*^弃土处理条件^*@*^流动性^*@*^掘进长度","answer":"B,C,E","explanation":""},{"id":14893,"title":"土压式盾构开挖控制的项目包含( )。","stem":"","options":"开挖面稳定^*@*^土压^*@*^排土量^*@*^盾构参数^*@*^推进速度","answer":"A,C,D","explanation":"土压式盾构开挖控制的项目包含开挖面稳定、排土量和盾构参数三类。"},{"id":14540,"title":"压路机的碾压温度应根据( )等因素经试压确定。","stem":"","options":"气温^*@*^铺筑层厚度^*@*^压路机^*@*^沥青混合料种类^*@*^下卧层表面温度","answer":"A,B,C,D","explanation":""},{"id":14874,"title":"基坑的支撑结构类型可分为( )。","stem":"","options":"外拉锚^*@*^型钢支撑^*@*^内支撑^*@*^钢筋混凝土支撑^*@*^钢管支撑","answer":"A,C","explanation":""},{"id":15060,"title":"喷射水泥砂浆保护层施工时的要求正确的是:( )。","stem":"","options":"喷浆前必须对池外壁油、污进行清理、检验^*@*^正式喷浆前应先做试喷,对水压及砂浆用水量调试^*@*^喷射的砂浆应不出现干斑和流淌为宜^*@*^输水管压力要稳定,喷射时谨慎控制供水量^*@*^喷射应从水池下端往上进行","answer":"A,B,C,D","explanation":""},{"id":50471,"title":"垃圾卫生填埋场的填埋区工程的结构物主要有()。","stem":"","options":"渗沥液收集导排系统^*@*^防渗系统^*@*^排放系统^*@*^回收系统^*@*^基础层","answer":"A,B,E","explanation":"垃圾卫生填埋场填埋区工程的结构层次从上至下主要为渗沥液收集导排系统、防渗系统和基础层。系统结构形式如下图所示。"},{"id":14940,"title":"浅埋暗挖法是一种综合施工技术,以下关于其特点说法正确的是( )。","stem":"","options":"开挖后及时支护,封闭成环^*@*^合理运用围岩的自承能力^*@*^开挖时预留核心土,以支承开挖工作面^*@*^使初衬与围岩共同作用形成联合支护体系^*@*^采用多种辅助施工措施加固围岩","answer":"A,B,D,E","explanation":""},{"id":14585,"title":"水泥混凝土搅拌过程中,应进行检验与控制以符合质量标准要求的技术指标有( )等。","stem":"","options":"水灰比^*@*^坍落度^*@*^泌水率^*@*^砂率^*@*^坍落度损失率","answer":"A,B,C,E","explanation":""},{"id":15085,"title":"应根据( )确定定向钻机的回转扭矩和回拖力。","stem":"","options":"终孔孔径^*@*^轴向曲率半径^*@*^管道管材^*@*^安全储备^*@*^管道长度","answer":"A,B,D,E","explanation":""},{"id":14246,"title":"路基既为车辆在道路上行驶提供基本条件,也是道路的支撑结构物,因此路基性能的主要指标有( )。","stem":"","options":"整体稳定性^*@*^承载能力^*@*^温度稳定性^*@*^变形量^*@*^透水性","answer":"A,D","explanation":"路基性能主要指标有整体稳定性、变形量。路面性能主要指标有平整度,承载能力、温度稳定性、抗滑能力、透水性、噪声量。"},{"id":50646,"title":"乔木中心与地下管线外缘最小水平距离为1.0的管线有()。","stem":"","options":"电力电缆^*@*^排水盲沟^*@*^给水管道^*@*^燃气管道^*@*^污水管道","answer":"A,B","explanation":"树木与地下管线外缘最小水平距离,见下表。"},{"id":14510,"title":"下列选项中,属于无机结合料稳定基层优点的是( )。","stem":"","options":"结构较密实^*@*^水稳性较好^*@*^承载能力高^*@*^适于机械化施工^*@*^技术经济较合理","answer":"A,B,D,E","explanation":""},{"id":14245,"title":"盾构机掘进通过某一断面的地层变形时间曲线与盾构掘进过程中所处的位置有关,断面地层变形的变形一时间主要划分5个阶段,正确的是( )。","stem":"","options":"第1阶段主要表现为地下水位降低产生固结沉降^*@*^第2阶段由于超挖、纠偏、盾构外周与周围土体的摩擦等原因而发生地层沉降或隆起^*@*^第3阶段若盾构控制土压(泥水压)不足或过大,则开挖面正前方土体弹塑性变形引起地层沉降或隆起^*@*^第4阶段盾构通过断面后产生的弹塑性变形^*@*^第5阶段盾构通过断面后长时间地发生后续沉降","answer":"A,D,E","explanation":"第2阶段若盾构控制土压(泥水压)不足或过大,则开挖面正前方土体弹塑性变形引起地层沉降或隆起;第3阶段由于超挖、纠偏、盾构外周与周围土体的摩擦等原因而发生地层沉降或隆起。"},{"id":14235,"title":"预应力混凝土施工技术中以下说法正确的是( )","stem":"","options":"预应力混凝土应优先采用硅酸盐水泥和粉煤灰质硅酸盐水泥^*@*^放张预应力筋时混凝土强度必须符合设计要求,设计未规定时,不得低于强度设计值的75%^*@*^先张法张拉台座抗倾覆安全系数不得小于1.3,抗滑移安全系数不小于1.5^*@*^张拉横梁应有足够的刚度,受力后的最大挠度不得大于2毫米^*@*^锚板受力中心应与预应力筋合力中心一致","answer":"B,D,E","explanation":"预应力混凝土应优先采用硅酸盐水泥和普通硅酸盐水泥;先张法张拉台座抗倾覆安全系数不得小于1.5,抗滑移安全系数不小于1.3。"},{"id":14873,"title":"基坑开挖过程中应立即停止挖土的异常情况是( )等。","stem":"","options":"边坡出现失稳征兆^*@*^开挖暴露出的基底原状土受到扰动^*@*^围护结构或止水帷幕出现渗漏^*@*^支撑轴力突然增大^*@*^围护结构变形明显加剧","answer":"A,C,D,E","explanation":""},{"id":14581,"title":"钢筋应按不同( )分批验收,确认合格后方可使用。","stem":"","options":"牌号^*@*^等级^*@*^规格^*@*^生产工艺^*@*^钢种","answer":"A,B,C,E","explanation":""},{"id":15115,"title":"热力管道施工中穿越工程的( )应取得穿越部位有关管道单位的同意和配合。","stem":"","options":"管材及其附件^*@*^施工方法^*@*^施工策划^*@*^工作坑的位置^*@*^工程进行程序","answer":"B,D,E","explanation":""},{"id":14247,"title":"高密度聚乙烯(HDPE)防渗膜施工时的控制要点有( )。","stem":"","options":"控制施工人员上岗资格^*@*^审查施工机具的有效性^*@*^审核施工方案的合理性、可行性^*@*^HDPE膜冬季施工时应采用一定防护措施^*@*^检验项目包括压实度试验和渗水试验两项","answer":"A,B,C","explanation":"高密度聚乙烯(?HDPE)防渗膜施工时的控制要点有:审查施工队伍资质;施工人员的上岗资格;HDPE膜的进货质量;施工机具的有效性;施工方案和技术交底;施工场地及季节;严格执行检验频率和质量标准。"},{"id":15012,"title":"去除污水中有机物质的方法有下列哪些:( )。","stem":"","options":"格栅^*@*^生物膜法^*@*^氧化沟 ^*@*^污水土地处理^*@*^沉砂池","answer":"B,C,D","explanation":""},{"id":14957,"title":"在各种开挖方法中,初期支护无需拆除的方法是( )。","stem":"","options":"CRD法^*@*^CD法^*@*^单侧壁导坑法^*@*^正台阶法^*@*^全断面法","answer":"D,E","explanation":""},{"id":14486,"title":"面层混凝土板通常分为( )。","stem":"","options":"素混凝土板^*@*^钢筋混凝土板^*@*^连续配筋混凝土板^*@*^预应力混凝土板^*@*^重力混凝土板","answer":"A,B,C,D","explanation":""},{"id":14829,"title":"明挖法是修建地铁车站的常用施工方法,具有( )等优点。","stem":"","options":"施工作业面多^*@*^工程造价低^*@*^工程质量易保证^*@*^围护结构变形小^*@*^基坑底部土体稳定","answer":"A,B,C","explanation":""},{"id":15087,"title":"常用不开槽管道施工方法有( )等。","stem":"","options":"顶管法^*@*^盾构法^*@*^浅埋暗挖法^*@*^螺旋钻法^*@*^夯管法","answer":"A,B,C,E","explanation":""},{"id":14244,"title":"成本分析的方法包括( )。","stem":"","options":"比较法^*@*^因素分析法^*@*^组成法^*@*^差额计算法^*@*^比率法","answer":"A,B,D,E","explanation":"成本分析的方法包括比较法、因素分析法、差额计算法、比率法等。"},{"id":14880,"title":"关于盾构施工现场设置,以下说法正确的是( )。","stem":"","options":"采用气压法盾构施工时,施工现场应设置空压机房^*@*^采用泥水平衡盾构机施工时,施工现场应设置电机车电瓶充电间等设施^*@*^采用土压平衡盾构施工时,施工现场应设置泥浆处理系统^*@*^采用泥水平衡盾构机施工时,施工现场应设置集土坑^*@*^工作井施工需要采取降水措施时,应设相当规模的降水系统","answer":"A,E","explanation":"盾构施工现场设置:\r
(1)工作井施工需要采取降水措施时,应设相当规模的降水系统(水泵房)。\r
(2)采用气压法盾构施工时,施工现场应设置空压机房,以供给足够的压缩空气。\r
(3)采用泥水平衡盾构机施工时,施工现场应设置泥浆处理系统(中央控制室)、泥浆池。\r
(4)采用土压平衡盾构施工时,应设置电机车电瓶充电间等设施。\r
"},{"id":14785,"title":"对于钢一混凝土组合连续梁,调整负弯距区内力的方法有( )。","stem":"","options":"在负弯距区施加预应力^*@*^在正弯距区施加预应力^*@*^强迫位移法^*@*^自动位移法^*@*^以上都不对","answer":"A,C","explanation":""},{"id":14586,"title":"下列关于水泥混凝土路面配合比参数计算取值得选项中,说法正确的是( )。","stem":"","options":"水灰比应在满足弯拉强度计算值和耐久性两者要求的水灰比中取大值^*@*^水灰比应在满足弯拉强度计算值和耐久性两者要求的水灰比中取小值^*@*^最大单位用水量应在按规范经验公式计算得到的计算值和满足工作性要求的最大单位用水量中取大值^*@*^最大单位用水量应在按规范经验公式计算得到的计算值和满足工作性要求的最大单位用水量中取小值^*@*^单位水泥用量应在根据水灰比计算得到的计算值与满足耐久性要求的最小单位水泥用量中取小值","answer":"B,D","explanation":""},{"id":14277,"title":"城市桥梁工程大体积混凝土产生裂缝的原因包括( )。","stem":"","options":"施工环境的影响^*@*^外界气温变化的影响^*@*^内外约束条件的影响^*@*^混凝土的收缩变形^*@*^水泥水化热引起的温度应力和温度变形","answer":"B,C,D,E","explanation":"城市桥梁工程大体积混凝土产生裂缝的原因包括:外界气温变化的影响;内外约束条件的影响;混凝土的收缩变形;水泥水化热引起的温度应力和温度变形。"},{"id":15082,"title":"给排水工程砌筑结构中的砂浆抹面的基本要求:( )。","stem":"","options":"墙壁表面粘接的杂物应清理干净,并洒水湿润^*@*^水泥砂浆抹面宜分两道,第一道抹面应刮平使表面造成粗糙纹,第二道抹平后,应分两次压实抹光^*@*^抹面应压实抹平,施工缝留成阶梯形;接茬时,应先将留茬均匀涂刷水泥浆一道,并依次抹压,使接茬严密;阴阳角应抹成圆角^*@*^抹面砂浆终凝后,应及时保持湿润养护,养护时间不宜少于14d^*@*^抹面砂浆终凝后,应及时保持湿润养护,养护时间不宜少于7d","answer":"A,B,C,D","explanation":""},{"id":14956,"title":"采用正台阶环形开挖法(环形开挖留核心土法)施工时,可能使围岩变形增大的因素是( )。","stem":"","options":"围岩要经多次扰动^*@*^在第四纪地层,一般不设或少设锚杆^*@*^台阶长度较长^*@*^形成全断面封闭的时间长^*@*^环形开挖进尺较短","answer":"A,D","explanation":""},{"id":14060,"title":"给排水管道施工中,经常遇到与既有管道交叉的情况,当设计无要求时,管道交叉处理应当尽量保证满足最小净距的要求,且遵循( )。","stem":"","options":"有压管道让无压管道^*@*^铸铁管让混凝土管^*@*^对既有管道进行保护^*@*^支线管让干线管^*@*^小口径管避让大口径管","answer":"A,C,D,E","explanation":"管道交叉处理应当尽量保证满足其最小净距,且有压管道让无压管、支线管避让干线管、小口径管避让大口径管。"},{"id":14889,"title":"开挖面的土压(泥水压)控制值由( )构成。","stem":"","options":"土压^*@*^水压^*@*^预备压^*@*^推进千斤顶压力^*@*^盾构总推力","answer":"A,B,C","explanation":"开挖面的土压(泥水压)控制值,按地下水压(间隙水压)+土压+预备压设定。"},{"id":14270,"title":"供热管道施工的连接方式主要有( )。","stem":"","options":"热熔连接^*@*^螺纹连接^*@*^搭接^*@*^法兰连接^*@*^焊接连接","answer":"B,D,E","explanation":"热力管道的连接方式主要有螺纹连接、法兰连接及焊接连接。"},{"id":14513,"title":"水与土体相互作用,可以导致道路路基或地下构筑物周围土体软化,并可能产生( )等事故。","stem":"","options":"沉陷^*@*^冻胀^*@*^管涌^*@*^开裂^*@*^滑坡","answer":"A,B,C,E","explanation":""},{"id":14872,"title":"放坡基坑施工中,施工不当也会造成边坡失稳,主要因素有( )等。","stem":"","options":"基坑边坡坡顶堆放材料、土方及运输机械车辆等增加了附加荷载^*@*^基坑降排水措施不力,或地面水、基坑周围地下管线漏水渗入基坑边坡的土层中^*@*^开挖后边坡暴露时间不够^*@*^基坑开挖过程中,未及时刷坡^*@*^没有按设计坡度进行边坡开挖","answer":"A,B,D,E","explanation":""},{"id":14082,"title":"水泥混凝土道路基层材料主要根据( )选用。","stem":"","options":"道路交通等级^*@*^地基容许承载力^*@*^传递荷载能力^*@*^路基抗冲刷能力^*@*^材料供应能力","answer":"A,D","explanation":"水泥混凝土路面基层材料选用原则:根据道路交通等级和路基抗冲刷能力来选择基层材料。"},{"id":14749,"title":"加筋土挡土墙的特点是( )。","stem":"","options":"能适应较大变形^*@*^占地面积少^*@*^施工速度慢^*@*^造价较低^*@*^耐振性能好于刚性结构","answer":"A,B,D,E","explanation":""},{"id":14614,"title":"模板、支架和拱架的设计中应根据( )等因素设置施工预拱度。","stem":"","options":"受载后基础的沉降^*@*^受载后杆件接头处的非弹性变形^*@*^受载后的弹性变形^*@*^结构预拱度的设计值^*@*^受载后的稳定性","answer":"A,B,C,D","explanation":""},{"id":14768,"title":"城市桥梁工程常用的桩基础,按成桩的施工方法可分为( )三大类。","stem":"","options":"悬喷桩^*@*^护壁桩^*@*^沉入(锤击)桩^*@*^钻孔灌注桩^*@*^人工钻孔桩","answer":"C,D,E","explanation":""}]
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