【判断题】
所有安全防护设施和安全标志灯。任何人都不得损坏或擅自移动和拆除。因作业必须临时拆除或变动安全防护设施、安全标志时,必须经有关施工负责人同意,并采取相应的可靠措施,作业完毕后立即恢复。
A. 对
B. 错
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对于洞口作业,可根据具体情况采取设防护栏杆、加盖板、张挂安全网与装栅门等措施。
A. 对
B. 错
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有严重锈蚀、弯曲、压弯成裂纹的钢管脚手架可以继续使用。
A. 对
B. 错
【判断题】
脚手架木杆一般采用杨木、柳木、桦木。
A. 对
B. 错
【判断题】
木脚手立杆有效部分的小头直径不得大于70mm。
A. 对
B. 错
【判断题】
脚手板非作业层不铺板时,小横杆可部分拆除,要求每步保留,相间抽拆,上下两步错开。
A. 对
B. 错
【判断题】
抽拆后小横杆的距离为:结构架子不大于1.5cm,装修架子不大于3m。
A. 对
B. 错
【判断题】
高度10~20m的脚手架搭设前应有措施和交底。
A. 对
B. 错
【判断题】
结构用的里外沉重脚手架,使用时荷载不得超过2646N
A. 对
B. 错
【判断题】
装修用的里外脚手架使用荷载不得超过1960N/平方米。
A. 对
B. 错
【判断题】
脚手架具的外侧边缘与外电架空线路的边线之间因特殊情况无法保持安全操作距离时,必须采取有效可靠的防护措施。
A. 对
B. 错
【判断题】
脚手架拆除时应划分去区,周围设绳绑围栏或竖立警戒标志。
A. 对
B. 错
【判断题】
作业人员戴安全帽、系安全带、穿硬底鞋才允许上架作业。
A. 对
B. 错
【判断题】
拆除时要统一指挥、上下呼应、动作协调,当解开与另一人有关的结扣时,应线通知对方,以防坠落。
A. 对
B. 错
【判断题】
应遵守由下而上,先拆后搭、先搭先拆的原则,严禁上下同时进行拆除作业。
A. 对
B. 错
【判断题】
拆立杆时,先抱住立杆再拆开后两个扣,拆除大横杆、斜撑、剪刀撑时,应先拆中间扣,然后托住中间,再解断头扣。
A. 对
B. 错
【判断题】
连墙杆应随拆除进行逐层拆除,拆抛撑前,应采用临时支撑柱,然后才能拆抛撑。
A. 对
B. 错
【判断题】
大片架子拆除后所预留的斜道、上料平台、通道等,应在大片架子拆除前先进行加固,以便拆除后确保其完整、安全和稳定。
A. 对
B. 错
【判断题】
拆除时严禁撞碰附近电源线,以防事故发生。
A. 对
B. 错
【判断题】
拆除时不能撞碰门窗、玻璃、水落管、房檐瓦片、地下明沟等。
A. 对
B. 错
【判断题】
拆下的材料应用绳索拴住,利用滑轮放下,严禁抛掷。
A. 对
B. 错
【判断题】
在拆架过程中,不能中途换人,如必须换人时,应将拆除情况交代清楚后方可离开。
A. 对
B. 错
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油漆工不能穿易产生静电的工作服。
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B. 错
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接触涂料、稀释液的工具应采用防火花型的。
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喷漆、涂漆的场所应有良好的通风,禁止一切火源,采用防爆的电器设备,防止形成爆炸极限浓度,引起火灾或爆炸。
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可以与焊工同时间、同部位的上下交叉作业。
A. 对
B. 错
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使用脱漆剂时,应采用不燃性脱漆剂。
A. 对
B. 错
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在车站公共区域内施工完毕后现场可以堆放材料、工器具以便下次使用。
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在桥面施工完毕后,对现场进行清理清洁,要求施工后垃圾袋装出场,现场不得有遗留材料、垃圾及工器具。
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B. 错
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时速大于200km区段的两线间不得堆放料具,大件物料严禁在运行中装卸。
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患有登高禁忌症者,如患有高血压、心脏病、贫血、癫痫等的工人不登高。
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没有戴安全帽、系安全带,不扎紧裤管和无人监护不登高。
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隧道管片湿渍指的是由管片接缝处防水不密闭引起,在管片表面接缝或螺栓附近可见的明显色泽变化的潮湿斑。
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B. 错
【判断题】
隧道管片渗水指的是由管片接缝处防水不密闭引起,在管片表面接缝或螺栓附近叮见的明显的流挂水膜。
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B. 错
【判断题】
隧道管片滴漏指的是由管片接缝处防水不密闭引起,当渗漏水部位在隧道顶部时发生的滴落现象,滴落速度至少每分钟一滴。
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B. 错
【判断题】
隧道管片线漏指的是一般由管片接缝处防水严重损失引起,当渗漏水部位在隧道顶部时,在管片表面接缝或螺栓附近形成连续的渗漏水现象。
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【判断题】
隧道管片积水指的是一般指隧道内结构渗漏水或废水因排水沟排水坡度原因不能及时排出,在道床上蓄积形成局部明水的现象。
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隧道管片漏泥砂指的是一般指隧道或地下车站内结构渗漏水中含有一定量细小砂粒的现象,大多数出现在严重渗漏水位置。
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B. 错
【判断题】
隧道管片锈蚀指的是一般指地铁区间的钢结构构件或隧道钢管片上出现的各种锈迹。
A. 对
B. 错
【判断题】
隧道衬砌(钢筋混凝土管片或钢管片等)劣损的类型主要有衬砌变形、衬砌移动和衬砌开裂三种
A. 对
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【判断题】
衬砌变形一般指在水土压力作用下,隧道衬砌(钢筋混凝土管片或钢管片等)结构的横向变形和纵向变形,其中以横向变形为主要变形。
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