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1、King shop school car to watch the summary view store is located in the LAN-Xin railway, 215 students, and students to and from school has about 90 people to cross the railway, more than half of the students live in the school in the vicinity of the rail line along the railway more than 10 square kil
2、ometers. Railway is economy of artery, to makes railway along general people master railway legal regulations and security knowledge, enhanced love road watch consciousness, ensure railway security smooth, years, I school has been put love road watch work as education students of focus to caught, ma
3、de has significantly of effect, years no occurred had railway security accident, emerged out a and a love road watch small guard, General teachers and students and masses of love road watch consciousness General improve, times by superior recognition, Our practices are reporting on is as follows. An
4、d improve the Organization, love the way of protection responsibilities. Set up by the principal of the school is the head security administrator for the Deputy Head of the class teacher for members of the railway protection leading group for propaganda and education, consisting of offices, advocacy
5、 groups, education groups and steering groups, organizations responsible for railway protection publicity and education of the whole school, command and coordination. To ensure safety of the railway for the overall objectives, major tasks are: 1, arouse the enthusiasm of teachers, school advantages
6、into full play, watch the propaganda and education work of joint railway. 2, railway watch teacher and student awareness, to ensure against road-related casualties. 3, education in primary and middle school students the courage to fight against the Railway Safety Act and found to have damaged railwa
7、y safety relevant parts of the report in a timely manner to ensure railway safety. Do Division, responsibility and student teacher assessment, evaluation and love road linked to the protection and safety, enhance the sense of responsibility. Second, programming, watch love road work routine. School
8、developed has railway watch publicity education work programme, put love road watch work into school education teaching plans, full using class teaching, and theme class, timing, education students learning railway method, about love road security matters, school requirements daily of campus broadca
9、st to has five minutes of railway security knowledge education, all class weekly are to Shang a section love road watch aspects of security class, monthly introduced a period love road watch aspects of window publicity, reached has alarm ringing of effect. Third, explicitly demanded that the love ro
10、ad protection work. Schools to establish and improve a love road watch schedule, enacted the railway safety ten no Protocol, the Convention on the safety and other regulations and requirements, so as to enable departments to further their work. Which publicity group is responsible for railway watch
11、legal regulations and about common sense of publicity, annual organization a to two times above railway method, and security management Punishment Ordinance, for main content of publicity, further strengthened General teachers and students of concept and love road watch consciousness, education stud
12、ents do three not: that not to railway Shang play, without stones, hit train, is not rail Shang stacked roadblocks. Education groups to include railway protection knowledge education in carrying out quality education, class of railway transport in the main channel of textbooks in economic constructi
13、on in the role and significance of guiding students to take care of the railway第八章 洞室衬砌混凝土施工8.1工程概述排水洞二次支护采用钢筋混凝土衬砌，并进行回填、固结灌浆处理。衬砌混凝土厚度50100cm，洞室底板和1.0m线以下边墙采用C40混凝土，1.0m线以上边墙和顶拱采用C25混凝土，其中排水洞0+1001+940桩号段类围岩顶拱不需衬砌，只施工底板与边墙混凝土。排水洞进口0-0170+000段采用C25混凝土浇筑引水渠。另外，洞室塌方区和施工支洞用C15混凝土回填。回填、固结灌浆处理施工方案详见第九章。
14、本工程混凝土总量26306m3，钢筋制安1450t，各部位施工特性及工程量见表8-1。表8-1 排水洞及支洞混凝土工程量表项目部位特性单位数量备注混凝土浇筑排水洞进口段浇筑C25混凝土m3925排水洞浇筑C40混凝土m39952浇筑C25混凝土m312412塌方回填C15混凝土m31000支洞浇筑C25混凝土m32014封堵C15混凝土m3300钢筋制安排水洞进口段底板插筋根3022，L=2m排水洞底板插筋根404022，L=2m钢筋制安t1334支洞钢筋制安t116变形缝处理排水洞沥青木板m2600厚2cm橡胶止水带m480651型支洞沥青木板m2140厚2cm8.2施工程序洞室衬砌混凝土采
15、取“先底板，后边顶拱”方法，底板超前边、顶拱45个循环。洞室衬砌混凝土施工工艺流程见图8-1。钢筋采购与检验底板插筋底板混凝土浇筑铺设台车轨道钢筋厂加工钢筋测量放样钢筋绑扎焊接载重汽车水平运输检查调整各项符合设计要求钢模台车就位调整千斤顶并固定拌和系统拌制混凝土料3m3混凝土搅拌车运输泵送砼入仓安装封头模板质量检查验收混凝土浇筑等待龄期至允许拆除强度拆除钢模台车、转移至下一段施工混凝土养护图8-1 洞室二衬砌混凝土施工工艺流程图8.3排水洞衬砌混凝土施工8.3.1总体施工方案底板、边墙下部混凝土采用组合钢模板，边顶拱混凝土采用钢模台车，跳仓浇筑，两者组成流水作业，边顶拱衬砌可在底板、边墙下部混凝土完成后第4天进行。边顶拱浇筑从洞身中部1#支洞交叉点向两端进行，分段浇筑长度初步拟定为12m，每个浇筑工作面同时布置4套液压式钢模衬砌台车。进口段混凝土在洞身段混凝土衬砌至靠近外侧时与外侧混凝土同时浇筑。根据不同的施工部位采取不同有混凝土运输措施，底板、边墙下部和洞身衬砌混凝土采用3m3混凝土搅拌车运输，然后泵送混凝土，每个浇筑工作面同时布置两台HB60型混凝土泵。排水洞进口段混凝土采用3m3混凝土搅
