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1、With the Shaanxi Expressway networking toll, toll extension business is now weighing charges for storage charges database security and backup of business data has become more prominent. After two years of operation, more and more awareness of the operating units to database stability issues is a pro
2、blem not to be ignored. Simple examples such as: failure of the servers and databases, general maintenance and management staff, in many cases, cannot be independent and quick recovery, had an impact on production. So we need a proper data backup solutions. Database is the core of the whole system,
3、database security should pay more attention. Therefore, the formulation of appropriate database backup strategy, is to maintain database security norms as well as the guidelines, to backup the data it needs from the technical, as well as administratively regulated. In data security, data security st
4、rategy is to maintain the integrity, confidentiality and availability of information. Therefore, database security policy will focus on these three points, including physical security, access control, data backup and emergency response. Here, in the toll collection system in the province uses the SQ
5、L Server database as an example to illustrate the idea of developing its security policy. 1 research background of construction of networked Expressway toll collection system reduced the number of drivers vehicles in the road network and improve road capacity, reducing environmental pollution due to
6、 parking, enhance the economic benefits of Highway and social image. Shaanxi Provincial Expressway networking toll began in May 2004, as of now there are more than 200 data server, as more sections of grid-connected charges, charges data as the core of the whole system, it is necessary to establish
7、a set of data security and reliable solution. 2 purpose this time through the analysis of network data in server health, Shaanxi Provincial Expressway networking toll system based on data, statistical methods of data storage, data research, original charge as possible security, integrity and privacy
8、 of data. For the opening section after incorporation fees provide a reliable set of data security policies. 3 database security situation in the province Shaanxi Provincial Expressway networking toll system overview 3.1 database-tier systems, management systems, branch-level management system, the
9、provincial network centre split and transfer system, four-level system. Each system has its own separate data server is used to store their collection of premium business data, provide the basis for statistical analysis. 1, stand-level server storage fees collected from toll lanes flowing data and p
10、ass on this site blessing Kaku, cartridge information within this site, card box allocation, cartridge combination of information and frequency information. 2, the main storage server server charges collected water from under the jurisdiction of the station data and the pass of blessing Kaku, the in
11、ternal cartridge information, reallocation of the cartridge and cartridge combination, personnel information, flight information, charges the actual payment data entry work. 3, Center-class server storage server charges collected water from under the jurisdiction of the station dataWater data integr
12、ity can be up and running. So when a database server fails, you do not need to pass data to recover, simply through the collection procedure for charging water data collection to complete the fast recovery of server failures. 4.4 analysis summary summary analysis, lane because it is not a complete s
13、tation level data, so there is no need for dedicated backup. Stand-level server data because it is at the front of the charge as a whole, its fault directly affects the exercise normally, you need a complete offsite backup solution. Management, and data center server, due to its operations without m
14、anual data entry, so just use common artificial scheduled backups can be. 5 solutions in order to ensure that when the server after a hardware failover, backup data without changes or only minor changes can be quick and easy troubleshooting of server data recovery, you 绥满高速公路牡丹江至哈尔滨段大修工程建设项目A10合同段 施
15、工组织设计第一篇 工程概况一、项目概况 绥满高速公路牡丹江至哈尔滨段大修工程，起点桩号为K165+120，位于牡丹江大学明珠广场和现有城市道路黑白路面交接处连接，终点桩号K464+570.3,位于绥满高速哈尔滨收费站处， K431+390.3-K464+570.3大修工程已于2010年完工，故本次主线大修设计里程为K165+120-K431+390.3。A10合同段桩号为：K416+000-K431+390.318(全幅)，全长15.39km。 二、自然概况(一)项目地理位置及地形地貌绥满高速公路牡丹江至哈尔滨段地处山岭区，A10合同段全长15.39km。路线走廊带呈东-西走向，地理位置介于东
16、经1270212933和北纬44354529之间，是国道主干线绥满公路（G010）的一段。 (二)气候条件路线所处区域公路自然区划为2区，即东北中部山前平原重冻区。该区域属大陆性北温带季风气候，年平均气温为2.8，极端最高气温为34.8,极端最低气温为41；年平均降雨量为691mm，降雨期集中在68月份。 (三) 地质概况沿线地质构造为新生代第四纪沉积层和残积层。地表土壤多为低液限粘土、碎石土、风化砂砾等，下层为花岗岩。(四)水文情况沿线河流漫滩区含水层较厚，土质颗粒松散、透水性好，地下水位埋深较浅。三、工程概况(一)主要技术标准本项目采用四车道高速公路标准按设计速度：80km/h，双向四车道
17、，路基宽24.5m，一般路基横断面布置为：行车道43.75m，中间带3m(含中央分隔带2m及两侧路缘带20.5m)，硬路肩22.5m，土路肩20.75m。（二）路面： 本标段沥青混凝土路面结构为2cm应力吸收层、AC20中粒式改性（SBS）沥青混凝土（5+H）cm ,SMA-13改性(SBS)沥青玛蹄脂碎石4cm。 收费站帮宽路面结构采用20cm砂砾垫层、20cm4%水泥稳定级配碎石底基层、20cm4.5%水泥稳定级配碎石基层、26cm水泥混凝土面层。（三） 本合同段主要工程数量 序号项目名称单位数量序号项目名称单位数量1路基填筑m3345187粘层m29886602软基处理砂垫层m33074
18、48改性沥青砼面层m23377523蓝派打裂旧路m23145669SMA路面m23335044路面砂砾垫层m23732010应力吸收层m33335045底基层m23880911水泥混凝土面板m3214266基层m23880912分隔带镶边石砼m34747.05第二篇 编制依据 一、编制依据1、绥满高速公路牡哈段大修工程施工图设计2、现行公路工程预算定额、施工定额3、国家颁布现行使用的最新技术标准和技术规范：公路路基路面现场测试规程（JTG E60-2008）公路工程质量检验评定标准（JTG F80/1-2004）公路路面基层施工技术规范（JTJ034-2000）公路水泥混凝土路面施工技术规范（
19、JTG F30-2003）公路沥青路面施工技术规范（JTG F40-2004）4、国家颁布的现行公路工程施工安全技术施工规程及国家、黑龙江省关于安全生产、文明施工的有关规定。 二、施工组织设计编制原则1、严格遵守招标文件条款及约定的原则，质量第一，信誉至上。2、遵循与设计、规范和验收标准一致的原则。3、坚持实事求是的原则。4、坚持施工全过程全方位严格管理的原则。5、坚持优化技术方案和推广四新成果的原则。6、坚持科学而合理地安排施工程序的原则。7、以“与人方便，自己方便”为原则。8、严格贯彻“安全第一，预防为主”的方针和原则。第三篇 指导思想和目标一、指导思想质量上本着“百年大计，质量第一”、“
20、修一条公路建一处丰碑”给沿线人民留下一个精心工程的指导思想。科学组织，精心施工，提高质量标准，进一步贯彻质量第一、信誉第一和经济效益第一，三位一体的指导思想，加强组织领导，调动一切积极因素，加强全面计划管理，认真贯彻部颁及国颁标准，用标准来指导生产，使我们的生产程序化、规范化、标准化。确保工程有条不紊的进行，尽量采用先进的施工方法，确保工程质量满足业主要求。二、管理思路创优目标：确保优质工程，争创精品工程。确保工程质量全部达到交通部现行的质量检验评定标准。确保本工程为优良工程，争创部优。三、管理目标分项工程竣工一次验收合格率100%；单位工程优良品率100%；工程合同履约率100%；顾客满意率
21、95%以上。重大安全事故为零，质量事故为零，实现零投诉。（一）质量目标1、路面基层（1）压实度大于或等于98%（基层及底基层）。（2）平整度:基层采用3m直尺进行检查、允许偏差7mm，合格率100%。2、路面面层（1）压实度（%）：以最大理论密度的93%或试验室标准密度的97%作为评定的标准密度，合格率低的作为评定结果。（2）平整度：上面层0.7，下面层1.0。（3）孔隙率：控制在3-6%。（4）构造深度（初期）：大于或等于0.55。（5）渗水系数：上面层100ml/min，下面层120ml/min。（6）厚度(mm)：上面层（合格值）：-10%h，总厚度（合格值）：-8%h。（二）质量方针以
22、ISO9002国际标准作指导，在公路施工建设中，实施全过程质量控制，确保竣工工程满足业主规定的要求。以企业质量为宗旨，严格质量管理，确保每道工序受控，建造业主满意的工程。质量方针：提供优良工程、达到业主满意、持续改进质量、保持国内一流。（三）工期进度目标路基工程：2012年5月1日至5月25日完成100%；拆除旧路基层和水泥混凝土面层：2012年3月20日至7月5日完成100%；路面基层：2012年4月15日至7月10日完成100%；浇筑水泥混凝土面板：2012年4月15日至7月30日完成100%；沥青砼路面面层：2012年5月1日至8月31日完成100%；排水、防护工程：2012年5月1日至
23、8月25日完成100%；（四）安全目标1.重大交通责任事故为零； 2.重大火灾责任事故为零；3.人身伤亡责任事故为零；4.“三违”施工造成的安全质量责任事故为零；5.重大用电事故为零；6.重大失窃事故为零。第四篇 施工组织一、组织机构根据绥满高速公路牡哈大段第A10合同段2012年度的工程特点及工程量内容，建立由项目经理全权负责的管理体系，工程质量实行终身负责制。本项目经理部全面负责本标段工程质量、进度、效益、安全的实施，是整个标段的生产指挥机构。need to select the real-time synchronization method of the programme. Typi
24、cally backup system comes with backup solutions should be preferred. If the system comes with a backup plan if it cannot meet the requirements, software development methods is needed. Or third-party software systems are selected for backup. Because third-party backup software is usually priced very
25、high, charging units require high price, so for only the first two methods are studied below. 5.1 use MS SQL2000 synchronized backups of SQL 2000 database in three ways, namely snapshot replication, transactional replication and merge replication. By comparison, excluding the first two programmes, s
26、elect synchronization transactional replication and database Nothwind database, for example, for testing. The three parts of the main considerations in the synchronization of the data, can be thought of as three hosts. The Publisher, Distributor, and Subscriber; can be understood from the literal me
27、aning, function is actually implemented to keep subscribers through the Distributor data timely and consistent data at the Publisher. 1, about snapshot replication to copy data changes infrequently, or are not required to keep the data current values (low latency), snapshot data is one of the best m
28、ethods of data replication. When synchronization occurs, complete snapshot is generated and sent to the Subscriber. Because snapshot replication bulk copies released (items collection) a complete copy, it will publish all writes made to the snapshot folder. Project is to specify that you want to cop
29、y tables, data partitioning, or database objects. Projects can be a full table and certain columns (using a vertical filter), certain rows (using a horizontal filter), a stored procedure or view definition, the stored procedure execution, view, indexed, view, or user-defined function. Snapshot repli
30、cation does not maintain data the fastest real-time updates, and the bulk copy released (items collection) a full copy of the mechanism will generate a lot of network traffic. Only small volumes of replication used, data is static and does not need to be updated in real time database. So do not use
31、snapshot replication the synchronization modeData table, add a new data field MSrepl_tran_version, publishing software depending on whether the contents of this field changes to determine whether you need to publish the data. And SQL 2000 data is modified judging is managed by the kernel, not for ex
32、ternal programming. Such as modify the structure of the original data table, a direct result of running lanes and management software that doesnt work. Due to the above test results to prove that this scenario is not suitable as a backup method for networking toll system in Shaanxi Province. 5.2 usi
33、ng specially developed backup software after the above tests, through the systems subscriptions, publish method in Shanxi province under the networking software sync backup, demand cannot be met, backup software so I decided to use for the development of synchronization, synchronize backups. As a re
34、sult of independent development, it has a high degree of flexibility in backup. Easier for seamless integration with existing systems. Backup software developed for the synchronization, you must meet the following requirements: in order to ensure synchronous backup software can start on Windows star
35、tup, and are not easily shut down by the operation, it should be developed using a Windows service. Synchronize backup software is the software that runs 24 hours, must be able to steady operation. In order to reduce network bandwidth to the greatest degree in the backup, and only need to back up th
36、e tolling system generates the new data table. The backup software should be able to automatically filter the add new data in a database table, and synchronized backups of data that meets the conditions of form. Flags field of the current charging system using a dedicated TransferMark, any kind of t
37、oll system software after changing the record, both on the field is zero, this record has been changed to notify other software. Use this field as a flag to identify whether data has changed. In addition to this field,- 145 - 二、人员配备1、项目经理部及各职能部门人员配备序号职位名称人数职 责1项目经理1全权负责本工程管理2项目副经理3协助项目经理工作、主抓施工生产3总工
38、程师1负责技术管理、工程质量4工程计划部14工程技术指导及管理、计量及合同管理、统计5协调安全部3安全管理6财务部3会计1人、出纳1人、统计1人7物资设备部1物资设备采购、保管及施工机械应用管理8质检部8试化验、检测工作9行政办3行政负责人1人，文书兼信息员1人，总务1人合计372、施工队人员配备序号队伍名称人数负责工程总计管理人员技术人员工人1旧路处理施工队342428负责挖除水泥砼、沥青砼路面及路面基层施工2水泥砼面层施工队6441050负责水泥砼路面施工3沥青面层施工队6441050负责沥青面层施工4收费站加宽施工队4441030负责收费站路基、路面施工5路缘石施工队762470负责路缘
39、石施工6拌合站9221278负责水泥、沥青混合料及基、底基层混合料路面的拌和合计3741850306三、施工机械配备情况序号设备名称规格型号单位数量计划进场时间1平地机180台12012.4.153光轮压路机18-21T台22012.4.154挖掘机卡特320台22012.3.155挖掘机（配有破碎锤）EC460台42012.3.156推土机T160台22012.4.157装载机ZL50B台72012.3.158振动压路机YZT-60台32012.3.159双钢轮压路机DD130台42012.4.1510胶轮压路机XP302台22012.3.1511稳定土拌和设备WDB650套12012.3.
40、1512沥青混合料拌和设备DG4000套12012.3.1513沥青混凝土摊铺机福格勒2100套22012.4.1514水泥混凝土拌和设备MSO6500套22012.3.1515混凝土运输罐车BJ5313GPJC-S台52012.3.1516兰派压路机 台12012.3.1517路面铣刨机台12012.3.1518洒水车8T台42012.3.1519大件运输车台12012.3.1520洒布车智能沥青洒布车台12012.4.1521三轴整平仪台12012.4.15四、试验、检测仪器配备情况序号仪器设备名称规格型号数量备注1针入度试验仪SYD-2801D12沥青延度试验仪SYD-4501C13全自
41、动沥青软化点试验仪SYD-2806E14恒温水浴HH-W-60015标准砂石筛9.5-0.075mm16马歇尔击实试验机TX-317沥青混合料稳定度测定仪DF18电脑数控沥青混合料快速抽提仪HDCT-19水泥软练设备110EDTA滴定仪111路面渗水仪LSY-95112自动沥青混合料搅拌机LHB-113沥青混合料理论最大相对密度仪HDXM-21114公路连续式平整度仪LXBP-0115温度计-30至+100316温度计-0至+2001017电动砂当量试验仪SD-318千分表0.01-0.3mm419数字式压力试验机DYZ-2000120恒温干燥箱101-2A221多功能电动脱模器DTM-201
42、22直尺5m323电子天平JY20031台24勃氏透气比表面积仪DBT-1271台25水泥稠度凝结测定仪1台26雷氏测定仪LD-501台27雷氏夹10个28电动抗折试验机KZH-5001台29电子天平JM21021台30水泥胶砂搅拌机JJ-51台31水泥净浆搅拌机TYJ-160B1台32水泥胶砂震实台ZS-151台33标准恒温恒湿养护箱HSBY-40B1台34水泥细度负压筛析仪JSY-150B1台35沸煮箱FZ-31A1台36标准养护室温湿度控制仪HWB-601台37多功能电动击实仪击BKJ-1台38标准测力仪ES-501台39抽提仪1台40矿粉沉淀仪1台序号仪器设备名称规格型号数量进场时间4
43、1路面材料强度试验机LQ-1001台42震击式标准振筛机ZBSX92A1台43电子天平JMZ1021台44游标卡尺2把45电子计价天平30Kg1台46新标准方孔石子筛90-2.36mm1套47路面基层集料筛60-0.075mm1套48石子压碎值测定仪1套49电子净水天平WT5001S1台50沥青集料筛53-0.075mm1套51路面弯沉仪5.4m2台52摆式摩擦系数测定仪BM-1台53路面构造深度仪1台54钢尺50m1把55灌砂桶1套56抗压夹具40*402个57水泥留样桶4个58水泥取样器1个59无侧限抗压试模150*15026个60砼抗折试模150*150*5506组61水泥胶砂三联试模40*40*1608组62砂堆积密度标注漏斗1个63容量升20L 5L 1L3个64规准仪1套65广口瓶4个66李氏瓶2个67容量瓶1000mL6个68燃烧炉1台69路面取芯机2台70全站仪SET3BII2台71自动安平水准仪DS32005台72经纬仪J22台五、材料计划用量序号材料名称单位数量备注1水泥T88662改性沥青T61323碎石基层、底基层m3247474水泥砼面层m3179985沥青路面层m3404206机制砂m3198567砂砾m374648矿粉T5363六、劳动力用量动态图年度所需时间及数量月份 3456789人数80170260370320270120420390
