hk第五章波形梁护栏.doc

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1、In County government legal do 2015 and the Twelve-Five summary and next year work plans Government legal do 2015 and the Twelve-Five summary and next year work plans Twelve-Five planning and the law administrative 55 planning implementation yilai, I city levels the sector Xia big pneumatic advance l

2、aw administrative and rule of law Government construction, led attention, measures powerful, method properly, effect obviously, law administrative and rule of law Government construction work made has great progress, powerful advance has I City economic social of and good and fast development. Speci

3、fic reports are as follows: a Twelve-Five during the work completed (a) promoting administration according to law was strengthened. Twelve-Five during, I city seriously implementation in heze City law administrative 55 planning, in annual early of full municipal government legal workshop Shang, insi

4、sted arrangements deployment, insisted layer Layer signed law administrative target responsibility, insisted months summary, and quarter scheduling, and years assessment, insisted recognition award work Qian three name County district; around law administrative and rule of law Government constructio

5、n 1443 work thought, continued punches not pause, and firm target not toss; always will Government legal work points, and law administrative target responsibility, and Implementation of government legal system as the main measures to move forward. After years continued tireless of efforts, I city of

6、 law administrative advance work made has significantly results, highlight performance for: levels leaders more attention law administrative work, more consciously using rule of law thinking and rule of law way processing problem, and solution contradictions, law administrative opinion atmosphere mo

7、re strong, law enforcement personnel law administrative capacity obviously enhanced, people satisfaction degrees increasingly high, law administrative promoted and guarantees economic social development function more appeared. Second, the implementation of the administrative reconsideration law of t

8、he powerful. Twelve-Five yilai, I city put administrative reconsideration system construction always as a event to caught, after years of efforts, through strengthening and perfect reconsideration system construction, reform administrative reconsideration system, innovation reconsideration work mech

9、anism, as currently, I city has established sound has administrative reconsideration filed, and trial, and hearing, and mediation reconciliation, and collective research considered, and misjudged held, more than 20 more than items work system; while, also break restricted reconsideration work bottle

10、neck, carried out relative concentrated administrative reconsideration right, City, County and District Administrative Review Committee was set up; innovative modes of administrative reconsideration, to explore the establishment of three centers review mechanisms established review case linkage syst

11、em to realize information resources sharing. 55 since the implementation of planning, 1300 cases handled reconsideration, the knot rate is above 90%. Third, the Government legal supervision to achieve a breakthrough. To administrative forced method, and legislation method, and administrative procedu

12、re, and Shandong province administrative law enforcement supervision Ordinance, and Shandong province administrative program provides, legal regulations issued implementation for opportunity, increased on levels第五章 波形梁护栏第一节 构 造第5.1.1条波形梁护栏的分类应符合表5.1.1的规定。波形梁护栏的分类表5.1.1安装位置防撞等级构造特征埋置方式立柱标准中心间距护栏代号路侧A

13、无防阻块土中4.0mGr-A-E有防阻块Grb-A-E无防阻块混凝土中4.0mGr-A-B有防阻块Grb-A-BS无防阻块土中2.0mGr-S-E有防阻块Grb-S-E无防阻块混凝土中2.0mGr-S-B有防阻块Grb-S-B中央分隔带分设型Am无防阻块土中4.0mGr-Am-E有防阻块Grb-Am-E无防阻块混凝土中4.0mGr-Am-B有防阻块Grb-Am-B中央分隔带分设型Sm无防阻块土中2.0mGr-Sm-E有防阻块Grb-Sm-E无防阻块混凝土中2.0mGr-Sm-B有防阻块Grb-Sm-B组合型Am横隔梁土中4.0mGrd-Am-E横隔梁混凝土中Grd-Am-BSm横隔梁土中2.0

14、mGrd-Sm-E横隔梁混凝土中Grd-Sm-B注:Am级的横隔梁间距为2m;Sm级的横隔梁间距为1m。图5.1.4-1圆头式端头结构图(无防阻块、圆形立柱)尺寸单位:cm图5.1.4-2圆头式端头结构图(有防阻块、圆形立柱)尺寸单位:cm图5.1.4-3圆头式端头结构图(无防阻块、槽形立柱)尺寸单位:cm图5.1.4-4圆头式端头结构图(有防阻块、槽形立柱)尺寸单位:cm图5.1.4-5地锚式端头结构图(无防阻块、槽形立柱)尺寸单位:cm图5.1.4-6地锚式端头结构图(有防阻块、槽形立柱)尺寸单位:cm图5.1.4-7地锚式端头结构图(无防阻块、槽形立柱)尺寸单位:cm图5.1.4-8地锚

15、式端头结构图(有防阻块、槽形立柱)尺寸单位:cm第5.1.2条设置于路侧的波形梁护栏,按防撞等级可分为A级和S级。S级护栏属于加强型,适合于路侧特别危险的路段使用。S级护栏的立柱中心间距为2m。第5.1.3条路侧波形梁护栏的横断布设,不应使护栏面侵入公路建筑限界以内,并不得使护栏立柱外侧的侧向土压力明显减小。立柱外边缘到路肩边缘的最小距离规定为:当土路肩宽度为75cm时,不应小于25cm;当土路肩宽度为50cm时,不应小于14cm,见图5.1.3-1图5.1.3-4。第5.1.4条路侧波形梁护栏的起、讫点应进行端头处理。路侧护栏的端头可以设计成地锚式或圆头式。逆行车方向的上游圆头式端头与护栏标

16、准段之间应设渐变段,顺行车方向的下游端头可与标准段护栏成一直线布设。路侧波形梁护栏圆头式端头结构处理见图5.1.4-1图5.1.4-4,地锚式端头结构见图5.1.4-5图5.1.4-8。第5.1.5条路侧波形梁护栏的防阻块是波形梁与立柱之间的承力部件,适用于交通流中车种比较复杂,担心碰撞车辆可能会在护栏立柱处拌阻的路段;或为了减少路缘石对碰撞车辆运动轨迹产生不利影响的路段。护栏防阻块分为A型、B型两种。A型适用于圆形立柱,见图5.1.5-1;B型适用于槽形立柱,见图5.1.5-2。第5.1.6条路侧护栏应安装于坚实的土路肩中,设置于土中的路侧波形梁护栏的典型构造见图5.1.6-1、图5.1.6

17、-2。当护栏立柱遇到第5.1.12条(二)情况时,应把护栏立柱设置于混凝土基础中,其构造见图5.1.6-3、图5.1.6-4。有条件时,宜采用抽换式护栏立柱。第5.1.7条设置于中央分隔带的波形梁护栏,按防撞等级可分为Am级和Sm级。Sm级护栏属加强型,适合于在中央分隔带内有重要构造物,并需要限制护栏横向位移的路段。构造上有分设型和组合型两种。分设型护栏适合于中央分隔带相对较宽,中央带内的物较多,并在中央分隔带下埋设有管线的路段。组合型护栏适合于中央分隔带宽度较窄,中央带内构造物不多或埋设管线较少的路段。图5.1.5-1A型防阻块构造图尺寸单位:mm图5.1.6-3设置于混凝土中的路侧波形梁护

18、栏构造图(无防阻块、圆形立柱)尺寸单位:cm第5.1.8条中央分隔带波形梁护栏的横断布设应根据中央分隔带的宽度和断面形式确定。按分设型布设时,不宜使护栏面侵入到公路建筑限界以内。分设型护栏的横断布设见图5.1.8-1。当分设型护栏设置在有路缘石的中央分隔带内,波形梁护栏应有防阻块。而且在中央分隔带内布设比较紧张时,波形梁护栏面到缘石面的最小C值可减小到25cm(图5.1.8-1c)。中央分隔带采用组合型波形梁护栏时,护栏立柱的中心线与公路中线重合。当公路中线位置内有构造物、地下管线时,护栏立柱的中心线可以向一侧偏移,或把组合型改变成为分设型,以便绕过中心线位置的构造物。组合型波形梁护栏由立柱、

19、横隔梁、波形梁、紧固件组成,其构造见图5.1.8-2。立柱可采用圆形或槽形等型钢制造。横隔梁由两根槽钢组成,分别安装在立柱两边。横隔梁的两端分别与波形梁板相连。两边波形梁的最大组合宽度为100cm,亦可根据中央分隔带的宽度作适当调整。第5.1.9条设置于中央分隔带起点、终点及开口处的护栏应进行端头处理。分设型波形梁护栏,其端头应与中央分隔带线形相一致。在一定长度(例如16m)范围内,波形梁护栏从两条平行线逐渐按一定比例往分隔带内缩窄,一般呈抛物线形,立柱间距为2m,圆端头的半径应与分隔带开口处的线形相一致,一般为25cm。分设型波形梁护栏的端头布设见图5.1.9-1图5.1.9-4。组合型波形

20、梁护栏的端头布设见图5.1.9-5图5.1.9-6。第5.1.10条交通分流处三角地带的护栏,其构造应与路侧波形梁护栏相一致,并应根据三角地带的线形和地形进行布设。其设置的最短长度为:靠高速公路主线一侧的两端8m范围内和靠匝道一侧的两端8m范围内应采用加强型(S级),在加强型护栏的中间接6跨A级护栏,并用圆头把三角区两侧护栏连接起来。其布设见图5.1.10-1图5.1.10-4。在条件允许时,应在危险三角区范围设置防撞垫。图5.1.9-2分设型护栏的端头构造图(有防阻块、圆形立柱)尺寸单位:cm图5.1.9-3分设型护栏的端头构造图(无防阻块、槽形立柱)尺寸单位:cm图5.1.9-4分设型护栏

21、的端头构造图(有防阻块、槽形立柱)尺寸单位:cm图5.1.10-1三角地护栏布设图(无防阻块、圆形立柱)尺寸单位:cm图5.1.10-2三角地护栏布设图(有防阻块、圆形立柱)尺寸单位:cm图5.1.10-3三角地护栏布设图(无防阻块、槽形立柱)尺寸单位:cm图5.1.10-4三角地护栏布设图(有防阻块、槽形立柱)尺寸单位:cm第5.1.11条波形梁护栏的横梁中心高度,从路面算起至连接螺栓孔中心的距离为60cm。当设有路缘石时,横梁的中心高度从路缘石顶面算起至连接螺栓孔中心的距离为60cm。当波形梁护栏有防阻块时,其中心高度不变。第5.1.12条波形梁护栏的立柱一般埋入土基,其埋深规定如下:一、

22、当护栏立柱埋置土中且无路缘石时,立柱埋深不应小于110cm(见图5.1.3-1、2和图5.1.8-1、2)。当护栏立柱埋置土中且有路缘石时,立柱埋深不应小于125cm(见图5.1.3-1、2和图5.1.8-1、2)。当中央分隔带采用组合型波型梁护栏,立柱埋置于土中时,其埋置深度不应小于110cm(见图5.1.8-2)。二、当护栏立柱在遇到下列情况时,可采用混凝土基础埋置方法:1.立柱置于桥梁、通道、涵洞等无法打入的地方;2.立柱下方遇有地下管线、石方路段;3.其它特殊情况。立柱埋置于混凝土中的深度一般不应小于40cm。为维修养护的方便,可采用法兰盘装配式的连接方式。混凝土基础的尺寸、法兰盘的连

23、接强度,应根据不同情况由计算确定。有条件时,宜采用抽换式护栏立柱。第5.1.13条波形梁、立柱、防阻块、横隔梁、端头等构件应符合交通部颁发的有关产品标准的规定。一、波形梁的形式和尺寸应符合图5.1.13-1和表5.1.13-1的规定。波形梁应由钢板或带钢经冷弯加工成型,一次冲孔完成。在波形梁搭接部分,可采用等截面,也可采用变截面。表5.1.13-1代号BmHh1h2Er1r2r3t尺寸(mm)31096858339142424105555103二、立柱用型钢制造,其形状和尺寸应符合图5.1.13-2和表5.1.13-2的规定。表5.1.13-2圆形立柱(mm)槽形立柱(mm)DtBhBT114

24、4.512562.525518注:当重型车辆占有率高、失控车辆越出行车道会发生严重交通事故的危险路段,可采用1404.5的圆形立柱第5.1.14条中央分隔带开口处活动护栏的构造见图5.1.14。活动护栏的设置高度应与中央分隔带波形梁护栏的设置高度保持一致。第二节 材 料第5.2.1条材料规格路侧和中央分隔带波形梁护栏用的各种材料应符合以下各项规定。一、波形梁、立柱、横隔梁、端头梁及连接螺栓所用钢材为普通碳素结构钢(Q235),其技术条件应符合碳素结构钢技术条件(GB70088)的规定。二、拼接波形梁的螺栓应采用高强螺栓,材料可采用20MnTiB,其技术条件应符合钢结构用扭剪型高强度螺栓连接副(

25、GB3632363383)的规定。三、防阻块材料可用型钢来制造,其技术条件应符合冷弯型钢技术条件(GB672586)的规定。administrative organ and the staff of legal training efforts, 55 planning during, through carried out administrative program years, and reconsideration spring action, and two method a article cases training, held various legal courses mor

26、e than 1000 duoqi times, cumulative training City Deputy County above leaders and law enforcement backbone and the line . Law enforcement liability for zero tolerance accountability mechanisms to inquire into illegal or improper acts of law enforcement 230 passengers, achieved before, during and aft

27、er the full range of law enforcement supervision. Integrate monitoring resources, form a monitoring force, ensuring effective legal norms of administrative law enforcement, ensure that the correct and effective implementation of the laws and regulations. 2012 yilai, city attorney, and city monitored

28、 Council, and city legal do, and City Archives Council, sector continuous organization carried out to administrative law enforcement files for main content of law enforcement big check activities, check out city administrative license, and administrative punishment, and administrative forced and oth

29、er various administrative law enforcement files more than 300 copies, proposed rectification recommends more than 500 over, established problem Taiwan account more than 60 multiple, preliminary achieved has administrative law enforcement and criminal judicial effective convergence and seamless docki

30、ng. Four is the improve system quality entirely. The Twelve-Five period, the citys departments at all levels to seriously implement the normative documents procedures in heze city and the normative documents record measures in heze city, carry out open, transparent, Sunshine legislative activities a

31、nd listened to opinions and suggestions of the community, and strive to improve public participation, subject position and fully respect the masses pioneering spirit. 55 during planning, normative documents of the Municipal Government today introduced more than 100 pieces, forming a set of consisten

32、t with superior policies, with the city actually, and easy to operate system. Insisted normative file three unified system, and strictly implementation normative file sunset terms and validity system, and insisted three level Government four level record system, and insisted has pieces essential, an

33、d spare parts will trial, wrong pieces will correcting system, solid carried out has normative file record review activities, municipal government cumulative record review County District Government and municipal government sector various normative file more than 500 pieces, achieved has legal unifi

34、ed and Decree smooth. Five is the establishment and implementation of the Government legal system, achieving full coverage of the legal adviser of the Government System. According to the provincial government requirements, August 2014, the municipal government issued a notice on the establishment of

35、 the Government legal system and the heze city government legal counsel rules (Ames, Chief Executives Office (2014), 44th), completed government legal system construction in counties clear time limits. To December 2014, city 9 a county district all introduced has Government counsel system, respectiv

36、ely established has their of legal experts library; city of legal experts library personnel amounted to 151 people, which experts Professor 39 people, accounted for than 25.8%; Legal Affairs workers 112 people, accounted for than 74.2%; part County District used personal + groups service mode, total

37、 hired consultant四、立柱埋置于混凝土中时,混凝土标号不应小于15号。混凝土用材料应符合现行交通行业标准公路桥涵施工技术规范(JTJ04189)的规定。第5.2.2条材料防腐一、所有波形梁护栏的冷弯型钢部件均应作防腐处理,一般可采用热浸镀锌处理。镀锌时应符合表5.2.2的规定。热浸镀锌所用的锌应为锌锭(GB47083)中所规定的0号锌或1号锌。护栏构件镀锌量表5.2.2构件名称镀锌量(g/m2)波形梁端头梁横隔梁立柱型钢防阻块600螺栓、螺母、垫圈、锚固件350二、螺栓、螺母等紧固件在采用热浸镀锌后,必须清理螺纹或进行离心分离处理。在条件允许的情况下,螺栓螺母等紧固件也可采用粉

38、镀锌技术。三、活动护栏的防腐处理原则上与波形梁护栏相同,采用热浸镀锌方法时,镀锌量规定为600g/m2。第三节 施 工第5.3.1条一般规定一、护栏的安装一般应在路面施工完成后进行,但设置于立交桥、小桥、通道上的护栏立柱,其基础应作预先处理。二、安装护栏之前应作出详细的施工组织设计。三、无论采用何种方法安装护栏,施工操作都应谨慎,不得破坏路面下埋设的电缆、管道等设施。第5.3.2条立柱放样一、立柱应根据设计图进行放样,并以桥梁、通道、涵洞、中央分隔带开口、立交、平交等为控制点,进行测距定位。二、立柱放样时可利用调整段调节间距,并利用分配方法处理间距零头数。三、立柱放样后,应调查每根立柱位置的地

39、基状态。如遇地下通讯管线、泄水管等,或涵洞顶部埋土深度不足时,应调整某些立柱的位置,改变立柱固定方式。第5.3.3条立柱安装一、立柱安装应与设计图相符,并与道路线形相协调。二、立柱应牢固地埋入土中,达到设计深度,并与路面垂直。三、一般路段,立柱可采用打入法施工,施工时应精确定位。当打入过深时,不得将立柱部分拔出加以矫正,须将其全部拔出,待基础压实后再重新打入。四、无法采用打入法施工时,可采用开挖法埋设立柱。埋设立柱时,回填土应采用良好的材料并分层夯实(每层厚不超出15cm),回填土的压实度不应小于相邻原状土。岩石中的柱坑应用粒料回填并夯实。五、立柱可采用钻孔法进行安装。立柱定位后应用与路基相同

40、的材料回填,并分层夯填密实。六、铺有路面的路段设置立柱时,柱坑从路基至面层下5cm采用与路基相同的材料回填并分层夯实,余下部分采用与路面相同的材料回填并压实。七、立柱安装就位后,其水平方向和竖直方向应形成平顺的线形。八、护栏渐变段及端部的立柱,应按设计规定的座标进行安装。第5.3.4条波形梁安装一、波形梁通过拼接螺栓相互拼接,并由连接螺栓固定于立柱或横梁上。波形梁拼接方向见图5.3.4。二、波形梁的连接螺栓及拼接螺栓不宜过早拧紧,以便在安装过程中利用波形梁的长圆孔及时进行调整,使其形成平顺的线形,避免局部凹凸。三、波形梁顶面应与道路竖曲线相协调。当护栏的线形认为比较满意时,方可最后拧紧螺栓。第

41、5.3.5条横隔梁、防阻块及端头安装一、设有横隔梁的中央分隔带护栏,在立柱准确定位后安装横隔梁。波形梁安装前横隔梁与立柱间的连接螺栓不应过早拧紧,当横隔梁与波形梁准确就位后,方可最后拧紧螺栓。二、防阻块通过连接螺栓固定于波形梁与立柱之间。在拧紧连接螺栓前应调整防阻块使其准确就位。三、中央分隔带开口处的端头梁应与分隔带标准段的护栏连接。路侧护栏开口处应安装端头梁并进行锚固。端头锚固主要包括钢丝绳锚固件及混凝土基础。在端部基础混凝土设计强度达到50%以后,方可拧紧螺栓或固定缆索。第5.3.6条活动护栏施工一、活动护栏的基础应在路面铺装前施工完毕,施工中基础的预埋管件应采取保护措施,以防杂物掉入;二、活动护栏的安装,应使其垂直于地面,纵向线形适顺,不得有凹凸和扭曲;三、活动护栏安装后,应易于拔出及重新插入。

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