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[{"id":14172,"title":"关于先张法预应力筋张拉程序,下列说明中,正确的是( )。","stem":"","options":"
^*@*^
^*@*^
^*@*^
^*@*^
","answer":"A,B","explanation":"这道题,要看清题干,“先张法”张拉顺序,只有选项A,B是对的。"},{"id":14382,"title":"用作道路基层的整体型材料有( )等。","stem":"","options":"石灰粉煤灰稳定砂砾^*@*^石灰稳定砂砾^*@*^石灰煤渣^*@*^水泥稳定碎砾石^*@*^泥灰结砾石","answer":"A,B,C,D","explanation":""},{"id":14582,"title":"混凝土路面的伸缩缝应( );缝壁必须垂直。","stem":"","options":"与路面中心线垂直^*@*^缝宽必须一致^*@*^缝中不得连浆^*@*^缝宜上宽下窄^*@*^缝内及时满灌填缝料","answer":"A,B,C","explanation":""},{"id":14348,"title":"垃圾填埋场工程中采用HDPE膜防渗时,要严格检验HDPE膜的外观质量和( ),并组织产品复验和见证取样检验。","stem":"","options":"均匀度^*@*^厚度^*@*^密度^*@*^韧度^*@*^强度","answer":"A,B,D,E","explanation":"关于HDPE膜的进货质量,严格审核生产厂家的资质,审核产品三证(产品合格证、产品说明书、产品试验检验报告单);特别要严格检查产品的外观质量和产品的均匀度、厚度、韧度和强度,进行产品复验和见证取样检验。"},{"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":14479,"title":"承压水存在于地下两个隔水层之间、具有高水头补给特点,一般须注意其向上的排泄,即( )。","stem":"","options":"补给潜水^*@*^补给滞水^*@*^补给地表水^*@*^补给毛细水^*@*^以上升泉的形式出露","answer":"A,C,E","explanation":""},{"id":14179,"title":"关于预应力张拉,下列说法中,正确的有( )。","stem":"","options":"设计未要求时,不得低于混凝土强度设计值的80%^*@*^曲线预应力筋或长度大于等于25米的直线预应力筋,宜在两端张拉^*@*^张拉时宜先中间,后上下,再两边^*@*^预应力筋锚固后的外露长度不宜小于30毫米^*@*^张拉过程中,预应力筋有断丝、滑丝、断筋时应暂停张拉","answer":"B,D","explanation":"A选项的正确说法是设计未要求时,不得低于混凝土强度设计值的75%;C选项的正确说法是张拉时宜先中间,后上下或两边;E选项的正确说法是张拉过程中,预应力筋断丝、滑丝、断筋超过设计或规范允许时应暂停张拉。"},{"id":15077,"title":"水池施工中的抗浮措施有:( )。","stem":"","options":"选择可靠的降低地下水位方法,严格进行排降水工程施工,对排降水所用机具随时作好保养维护,并有备用机具^*@*^完善雨期施工防汛^*@*^可能时,允许地下水和外来水进入构筑物,使构筑物内外无水位差,以减少浮力值^*@*^增加池体钢筋所占比例^*@*^对池体下部进行换土","answer":"A,B,C","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":14877,"title":"基坑开挖过程中引起周围地层位移的主要原因是( )。","stem":"","options":"坑底的土体隆起^*@*^地下水位降低^*@*^基坑周围施工荷载^*@*^围护墙的位移^*@*^地质条件变化","answer":"A,D","explanation":""},{"id":14836,"title":"下列关于管涵施工技术要点的选项中,说法错误的是( )。","stem":"","options":"管涵通常采用工厂预制钢筋混凝土管的成品管节^*@*^当管涵设计基础为混凝土或砌体基础时,基础上面可不设混凝土管座^*@*^当管涵基础为天然地基时,应将管底土层夯压密实,形成平基管座^*@*^管涵的沉降缝应设在两端^*@*^管涵出入端墙、翼墙应符合《给水排水构筑物工程施工及验收规范》有关规定","answer":"B,C,D","explanation":""},{"id":14271,"title":"盾构掘进控制的“四要素”是( )。","stem":"","options":"开挖控制^*@*^确认洞口土体的加固效果^*@*^一次衬砌^*@*^线形控制^*@*^注浆","answer":"A,C,D,E","explanation":"盾构掘进控制的目的是确保开挖面稳定的同时,构筑隧道结构,维持隧道线形,及早填充盾尾空隙。因此,开挖控制、一次衬砌、线形控制和注浆成了盾构掘进控制的“四要素”。"},{"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":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":15134,"title":"( )敷设肯定是属于管沟敷设的。","stem":"","options":"高支架^*@*^通行地沟^*@*^不通行地沟^*@*^低支架^*@*^半通行地沟","answer":"B,C,E","explanation":""},{"id":14406,"title":"改性沥青SMA路面有非常好的( ),且构造深度大,抗滑性能好、耐老化性能及耐久性等路面性能都有较大提高。","stem":"","options":"粘结性^*@*^高温抗车辙能力^*@*^低温变形性^*@*^安全性^*@*^水稳定性","answer":"B,C,E","explanation":""},{"id":14344,"title":"盾构施工中,注浆是向管片与围岩之间的空隙注入浆液,向管片外压浆的工艺,应根据所建工程对( )的要求选择同步注浆或壁后注浆,一次注浆或多次注浆。","stem":"","options":"隧道变形^*@*^地质条件^*@*^地层沉降的控制要求^*@*^水文条件","answer":"A,C","explanation":"考查注浆控制的内容,这道题目是教材上的原话。"},{"id":14239,"title":"燃气管道穿越河底时,应符合的要求包括( )。","stem":"","options":"燃气管道穿越河底时宜采用钢管^*@*^燃气管道至规划河底的覆土厚度,应根据水流冲刷条件确定,对不通航河流不应小于1.0米^*@*^在埋设燃气管道位置的河流两岸上、下游应设立标志^*@*^燃气管道对接安装引起的误差不得大于3度^*@*^管道应设置必要的补偿和减震措施","answer":"A,C,D","explanation":"B选项的正确说法是燃气管道至规划河底的覆土厚度,应根据水流冲刷条件确定,对不通航河流不应小于0.5米;E选项的正确说法是随桥梁敷设时,管道应设置必要的补偿和减震措施。"},{"id":14059,"title":"生活垃圾填埋场泥质防水层的施工控制要点有( )。","stem":"","options":"控制膨润土进货质量^*@*^确定膨润土的最佳掺量^*@*^控制拌和均匀度、含水量及泥质防水层的碾压压实度^*@*^控制膨润土垫的铺设质量^*@*^保证质量检验","answer":"A,B,C,E","explanation":"泥质防水层施工控制要点:①审查施工队伍的资质;②膨润土进货质量;③膨润土掺加量的确定;④拌和均匀度、含水量及碾压压实度;⑤质量检验。"},{"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":14399,"title":"可用作水泥混凝土路面底基层的材料有( )等。","stem":"","options":"石灰稳定土^*@*^水泥稳定粒料^*@*^级配粒料^*@*^水泥稳定土^*@*^石灰粉煤灰稳定粒料","answer":"B,C,E","explanation":"
"},{"id":14928,"title":"计算土压(泥水压)控制值时,一般沿隧道轴线取适当间隔,按各断面的土质条件,计算出上限值与下限值,并根据施工条件在其范围内设定。设定原则正确的说法是( )。","stem":"","options":"土体稳定性好的场合取高值^*@*^地层变形要求小的场合取低值^*@*^土体稳定性好的场合取低值^*@*^土体稳定性差的场合取低值^*@*^地层变形要求小的场合取高值","answer":"C,E","explanation":"设定原则:土体稳定性好的场合取低值,地层变形要求小的场合取高值。"},{"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":14062,"title":"水池满水试验的做法包括( )。","stem":"","options":"设计预留孔洞、预埋管口及进出水口等已做临时封堵并达到强度要求^*@*^向池内注水宜分三次进行,每次注水高度为设计水深的1\/3^*@*^相邻两次注水的间隔时间不应小于24小时^*@*^注水时水位上升速度不宜超过2 m\/d^*@*^注水至设计水位12小时后,开始测读水位测针的初读数","answer":"B,C,D","explanation":"A选项的正确答案是设计预留孔洞、预埋管口及进出水口等已做好临时封堵,且经验算能安全承受试验压力。E选项的正确答案是宜测读24小时的水位下降值。"},{"id":14868,"title":"以下关于盖挖法施工优点说法正确的是( )。","stem":"","options":"盖挖逆作法施工基坑暴露时间短,可尽快恢复路面,对交通影响较小^*@*^基坑底部土体稳定,隆起小,施工安全^*@*^盖挖顺作法施工一般不设内支撑或锚锭,施工空间大^*@*^围护结构变形小,有利于保护临近建筑物和构筑物^*@*^盖挖法施工时,混凝土结构施工缝的处理较为容易","answer":"A,B,C,D","explanation":""},{"id":14173,"title":"对围堰类型及适用条件,下列说法中,正确的有( )。","stem":"","options":"河床渗水性很小,流速≤3.0米\/秒,可用堆石土围堰^*@*^深水或深基坑,流速较大的砂类土、黏性土、碎石土及风化岩等坚硬河床,可以用钢板桩围堰^*@*^深水或深基坑,流速较大的砂类土、黏性土、碎石土河床,可用钢筋混凝土板桩围堰^*@*^流速≤3.0米\/秒,覆盖层较薄,平坦的岩石河床埋置不深的水中基础,可以用钢套筒围堰^*@*^大型河流的深水基础,覆盖层较薄、平坦的岩石河床可以用双壁围堰","answer":"A,B,C,E","explanation":"考查围堰的一些概念。只有D选项是错误的,应是流速≤2.0米\/秒。"},{"id":14923,"title":"判定土压仓内土砂的塑性流动性状态的方法有( )。","stem":"","options":"根据盾构机械负荷^*@*^根据土砂的坍落度^*@*^根据土压力^*@*^根据土砂输送效率^*@*^根据排土量","answer":"A,B,D","explanation":""},{"id":14860,"title":"在我国应用较多的深基坑围护结构有板柱式、柱列式、重力式挡墙、组合式以及土层锚杆、逆筑法、沉井( )等。","stem":"","options":"地下连续墙^*@*^钢筋混凝土支撑^*@*^型钢支撑^*@*^深层搅拌桩^*@*^钻孔灌筑桩","answer":"A,D,E","explanation":""},{"id":14876,"title":"现浇壁板式地下连续墙施工中,在泥浆配制和挖槽施工中要对泥浆的( )等主要性能技术指标进行检验和控制。","stem":"","options":"泌水性^*@*^含砂率^*@*^pH^*@*^黏度^*@*^比重","answer":"B,C,D,E","explanation":""},{"id":15074,"title":"某泵房内水泵共5台,每台重量为6.3t,该泵房起重机可选( )。","stem":"","options":"电动单梁起重机^*@*^电动双梁起重机^*@*^手动单梁起重机^*@*^汽车式起重机^*@*^可行走型塔吊","answer":"A,B","explanation":""},{"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":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":14767,"title":"沉入桩施工桩锤的选用应根据( )等因素确定。","stem":"","options":"桩型^*@*^桩的密集程度^*@*^施工条件^*@*^辅助施工方法^*@*^单桩承载力","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":14862,"title":"轻轨交通高架桥桥墩常用的型式有( )。","stem":"","options":"双柱式^*@*^T形^*@*^倒梯形^*@*^Y形^*@*^箱形","answer":"A,B,C,D","explanation":""},{"id":14237,"title":"城市道路垫层可以改善路面结构的使用性能,下列对垫层的叙述中,正确的有( )。","stem":"","options":"垫层的宽度应比路基每侧至少宽出30毫米^*@*^防冻垫层宜采用砂、砾等颗粒材料^*@*^路基可能产生不均匀变形时,宜加设半刚性垫层^*@*^排水垫层的最小厚度为20毫米^*@*^防冻垫层的最小厚度为15毫米","answer":"B,C,E","explanation":"A选项的正确说法是垫层的宽度应和路基宽度相同,D选项的正确说法是排水垫层的最小厚度为15毫米。"},{"id":15013,"title":"三级处理是在一级处理、二级处理之后,进一步处理哪些物质:( )。","stem":"","options":"铁锰等络合物^*@*^难降解有机物^*@*^病原菌^*@*^钙镁等离子^*@*^氮磷等无机物","answer":"B,E","explanation":""},{"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":14948,"title":"一般对注浆材料的性能有如下要求:流动性好、早期强度高、不污染环境和( )等。","stem":"","options":"适当的黏性^*@*^过滤特性好^*@*^阻水性高^*@*^充填性好^*@*^注入时不离析","answer":"A,C,D,E","explanation":""}]
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