2021-2022年收藏的精品资料工程测量技术报告.doc
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1、videoconference, Secretary of the provincial Committee of Xia Baolong stressed: this year is the five water treatment 357 timetables for three years to resolve outstanding issues, obviously worked, victory of the year. The Countys departments at all levels must firmly establish the guanghui is gold
2、and silver green development concept, convinced that Castle is not relaxed, always maintaining strategic ability and strong determination to improve the environment, consistently playing well five water treatment of winning the war, ever-higher levels of comprehensive well-off society was built. (A)
3、 lay the sewage uphill battle. This year we will river water quality improved at the county level, up to five this basic objective grasp of pollution control that focus, with the focus on three things: a good job, clear rivers reaching the County created. Organization look back special inspection, t
4、he County garbage River, black and odorous River is Dragnet investigation, timely rectification of problems found in place firmly to prevent river pollution rebound. In accordance with the one-stop strategy, improving the inferior five water quality monitoring stations work this year to ensure the E
5、limination of 1 provincial control, five water quality section 3 municipalities controlled deterioration, ensure the creation this year of clear rivers standards. Second, pay special attention to pollution-cutting construction of nanotubes. Intercepting nanotubes are the basis of pollution of water
6、source engineering, engineering, matter of success or failure of water management. Urban sewage treatment, to improve effluent from sewage treatment rate, running accuracy, compliance requirement, speed up the towns support network construction, is focusing on nanotubes home last meters question. Do
7、mestic sewage treatment in rural areas, this year is the final year of the three-year action, determination to fight and the momentum around, ending the battle on which fully to ensure the realization of all County 648 formed village coverage. Also, be sure to attach importance to focus on rural dom
8、estic wastewater treatment facility operation and management, ensure that wastewater treatment facility up and running, role play, avoid the Sun problem. Third, pay special attention to the River Lake pond desilting operation. Provinces now have focused on pollution control of water go to dig up mud
9、, as the deepening water of this years plays. Next, to jump-start an investigation line touches work, implementation plan according to the priorities and the programme of work, in accordance with the one river one policy requires detailed cleaning, dredging plan, planning ahead of time cleaning out
10、mud way out, according to local conditions to do sludge, promote scientific resource utilization of silt and mud. (B) the heavy regulation of heavily polluting industries. Pollution of water must grab the source, wastewater is primarily the source of backward production capacity, increase the intens
11、ity of技术报告(20092010 学年第2学期)实习名称: 工程测量实习专 业: 铁道工程专业 学 号: 姓 名: 实习地点: 实习时间: 实习成绩: 指导教师(签字): 西南交通大学2011年 7 月 日 目 录1.工程概况31.1施工方法31.2精度要求31.3 已知数据41.4 地形、交通、植被及气候情况42.测量内容及主要技术依据42.1 本项目测量的重要内容(控制、平面、高程、施工测量)42.1.1 实习准备42.1.2 控制测量阶段42.1.3 导线边长测量42.1.4 导线转角测量42.1.5 施工放样阶段42.2 依据43.平面控制测量43.1测量方案43.2方案的实施4
12、3.2.1选点方案43.2.2导线点选点示意图43.3经纬仪的校核43.3.1校核人员43.3.2经纬仪的检验记录43.4测量成果表(见附录)44.高程控制测量44.1 测量方案44.2方案的实施44.2.1水准仪的校核44.2.2高程的计算成果表45.桥梁的施工测量45.1测量方案45.2方案的实施46.实习总结46.1技术总结46.1.1 水准测量46.1.2导线测量46.1.3实习中引起的误差原因及解决方法46.2个人总结41. 工程概况荷花特大桥工程,位于西南交大。本桥为新建简支梁特大桥,桥长500m,跨度为1m。1.1 施工方法: 平面控制测量:本桥采用导线控制测量,建立平面控制网。
13、水平角采用经纬仪,控制网的边长采用全站仪测设。1.2 精度要求1-1桥梁施工控制网等级选择桥长L(m)跨越的宽度l(m)平面控制网的等级高程控制网的等级500L200一级四等1-2 桥梁基础施工测量允许偏差类别测量内容测量允许偏差(mm)灌注桩基础桩桩位40排架桩桩位顺桥纵轴线方向20垂直桥纵轴线方向40沉桩群桩桩位中间桩d/5,且100外缘桩d/10排架桩桩位顺桥纵轴线方向16垂直桥纵轴线方向20沉井顶面中心、底面中心一般h/125浮式h/125+100垫层轴线位置20顶面高程0-81-3 桥梁下部构造施工测量允许偏差类别测量内容测量允许偏差(mm)承台轴线位置6顶面高程8墩台身轴线位置4顶
14、面高程4墩、台帽或盖梁轴线位置4支座位置2支座处顶面高程简支梁4连续梁21.3 已知数据1-4已知点坐标点号XYQD.178.563K1+000JD.641.37R=813.5mL0=120mZD.62.729桥K2+600-K3+1001-5导线点示意图点号坐标高程(m)X(m)Y(m)H02.719.456500.000H06.949.370H20.054.717H22.923.643506.7061.4地形、交通、植被及气候情况2. 测量内容及主要技术依据2.1 本项目测量的重要内容(控制、平面、高程、施工测量):2.1.1 实习准备实习计划的制定我们组根据实习时间为15天,任务情况和组
15、员情况制定了详细的实习计划,包括实习各项工作内容顺序和时间,人员分工、仪器保管、作息时间、日常管理等内容。测量仪器的借用结合仪器的数量和任务充分考虑,借仪器为尺垫两个,水准仪一台,水准尺两把(注意起始数据不同),经纬仪一台,测钎5根,垂球两个,钢尺一把等。测量仪器的检较使用前对水准仪和经纬仪进行检较。水准仪:圆水准器的检验与校正,十字丝的检验与校正,视准轴平行于水准管的检验与校正。经纬仪:水准管轴垂直于仪器竖轴,圆水准轴平行于仪器竖轴,视准轴垂直于横轴,横轴垂直于仪器竖轴,十字丝纵丝垂直于横轴,竖盘指标差小于规定的数值,光学对中器轴和仪器竖轴重合。2.1.2 控制测量阶段四等水准仪的测量根据已
16、知水准点的数量、位置、工程建筑精度要求和地形情况,布设四等水准路线,按照工程测量规范相关技术要求实施。、导线测量2.1.3 导线边长测量应附合下列要求:、导线边长可以用钢尺往返丈量的方法进行丈量,也可以用光电测距仪或者是全站仪测量、当用光电测距仪或全站仪测量导线的边长时,可以直接测量导线的水平距离2.1.4 导线转角测量应附合的要求:、导线转折角用DJ2经纬仪测量,采用测回法观测两个测回、导线测量的外业和计算精度应满足工程测量相关的精度要求导线的内业计算应注意导线的内业计算前,应全面检查导线测量的外业记录,有无遗漏或记错,是否附合测量的限差要求绘制导线略图,在图上注明已知点的点号、坐标、坐标方
17、位角、各导线的点号、边长和角度计算值导线计算按照简易平差进行,数值计算时,角度值取至秒,长度和坐标值取至毫米2.1.5 施工放样阶段、根据工程设计和施工的特点,确定放样方法、利用控制测量的成果进行工程放样,检核无误后定设标志,记录放样数据,绘草图。2.2 依据根据工程测量规范(GB50026-2007)之8.5桥梁工程测量的规定,我们的桥长为500米,选择的平面控制网为一级,高程控制网等级为四等。桥梁施工控制网等级的选择桥长L(m)跨越的宽度平面控制网的等级高程控制网的等级L5000l1000一等或者二等二等2000L5000500l1000二等或者四等三等500L2000200l500四等或
18、一级四等L500l200一级四等或五等3. 平面控制测量3.1测量方案充分考虑地形等条件的限制,我们采用附合导线;导线等级为一级;主要的技术要求为:等级导线长度(km)平均边长(km)测角中误差()测距相对误差(mm)测回数方位角闭合差()导线全长相对闭合差一级40.55152101/15000人员安排: 3.2方案的实施3.2.1 选点方案导线现场踏勘选点时,应注意的要求:、相邻导线点间通视良好,以便于角度和距离的测量;、点位应选在土质坚实并便于保存之处;、在点位上,视野应开阔,便于测绘周围的地物和地貌、导线边长应按照相关的规定,最长不超过平均边长的两倍,相邻边长尽可能的相等、导线点的布置除
19、满足导线测量的技术要求外,应便于施工放样、导线点应选在避免影响交通的路上,选定点以后,要以红漆标注、导线点统一编号,以便于测量应用和资料整理3.2.2导线点选点示意图3.3经纬仪的校核3.3.1校核人员: 3.3.2经纬仪的检验记录日期:2010.7.13 组号: 测量: 仪器:DJ2 记录: 1、 一般检查三角架是否牢固是望远镜制动螺旋是否有效是脚螺旋是否有效是望远镜微动螺旋是否有效是照准部转动是否灵活是望远镜成像是否清晰是照准部制动螺旋是否有效是复测扳手或水平度盘变换手轮是否有效是照准部微动螺旋是否有效是粗瞄准器方向是否正确是2、 照准部水准管轴垂直于竖轴的检验检验次第 1 2 3 平均
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