【任务描述】某高速铁路标段路基施工内容主要为路基土石方及既有线路基加固防护施工,根据技术方案要求工后沉降目标为:设计时速300km 路段,一般地段路基填筑后沉降量不大于15cm,沉降速度每年不大于4cm;桥台尾过渡段工后沉降不...[继续阅读]

    3.1.1 When engineering trains are allowed to run on a new high-speed railway for transportingballast,beams and other materials,temporary tracks shall be laid at the position of turnouts to be laid.3.1.2 Before laying,the type,specification and quantity of...[继续阅读]

    3.7.3.1 After the locking frame is connected to the wing rail,the locking frame shall contact thewing rail head and the side of rail base,and the contact surface between the locking frame and thelocking rod shall be horizontal.3.7.3.2 During installation,...[继续阅读]

    【任务描述】某线路已完成线路选线设计工作,根据《高速铁路工程测量规范》(TB10601—2009)(以下简称《规范》)、《高速铁路设计规范》(TB10621—2014)等规范要求,布设CPⅠ、CPⅡ控制网,经检验全部合格。学习相关知识,复核该段高速铁...[继续阅读]

    The inspection results shall meet the following requirements: If the qualification rate of class Aitems is 100%,the qualification rate of class B items is not less than 90% and that of class C items isnot less than 80%,the laying quality of turnouts shall...[继续阅读]

    3.2.3.1 The ground for stacking the half set of switch,movable point frog components,closurerails and track panels shall be flat. The turnout rails shall be stored in groups and temporary fixingdevices shall be retained.3.2.3.2 The stacking of the half se...[继续阅读]

    3.3.1 The track control network (CP Ⅲ) shall be used as the basis for measuring the controlbenchmarks in the turnout area,and pile location setting-out shall be carried out for turnouts.Thesurvey of control benchmarks shall comply with TB 10601.3.3.2 The ...[继续阅读]

    3.4.1 The construction quality of subgrade supporting layer and concrete base in the turnout areashall comply with the relevant requirements.3.4.2 The installation of the assembly and adjusting platform shall meet the following requirements:a) The assembl...[继续阅读]

    4.2.1 The gauge and cross level shall be measured with gauge ruler or track geometry measuringinstrument,and shall be inspected at each turnout sleeper.The measured data shall be recorded.4.2.2 The longitudinal level and alignment irregularity shall be me...[继续阅读]

    3.2.2. 1 The half set of switch,movable point frog components,closure rails and track panels shallbe transported in such a way not to cause plastic deformation.3.2.2.2 When turnout sleepers are stacked in multiple layers during transportation by flat truc...[继续阅读]