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河北波形梁钢护栏施工步骤详细介绍

更新日期:2018-12-19 点击量: 作者:层远护栏

一、 施工工序 

  测量放样 → 立柱定位 → 立柱安装 → 立柱竖直度校正 → 波形梁安装 → 调整波形梁线形 → 拧紧紧固件 → 交工 

(Measuring lofting column positioning column installation column verticality correction wavy beam installation adjusting wavy beam alignment tightening fastener handover)

二、施工过程重难点控制 

  1)在进行填方段高边坡土路肩护栏施工时,必须提前提醒施工人员注意安全,尽可能避免施工人员在护栏外侧施工,休息期间尽量远离土路肩。 

  2)特别强调在进行护栏拼接螺栓安装过程中,严禁敲击螺栓,防止敲击螺栓时拼接螺栓反弹,伤及施工人员。正确方法为采用钢钎调整护栏板搭接错位,调整至上下搭接板拼接螺孔相互对齐后,再安装拼接螺栓。 

  3)根据施工图进行立柱放样,纵向以路线各段桥梁、通道、明板涵、中央分隔带开口和路线交叉等为放样控制点,横向以路基中线测量点为准,进行测距定位。放样时可利用调节板调整间距,并利用分配方法处理零头数;如遇立柱所处位置设有地下通讯管线、排水管等,尤其是盖板涵(暗板涵)涵洞顶部埋土深度不足时,应提前进行预警标记,以便立柱安装时根据现场情况进行处理。 

  4)立柱安装时,需一人操作打桩机,一人用定位标杆控制立柱间距,一人配合打桩机在安装过程中利用定位直角卡尺控制立柱横向位置和标高,用水平尺控制立柱竖直度,一人观察线形。互相配合对立柱偏位、倾斜、弯曲等情况及时予以纠正。 

  5)波形梁立柱安装施工中难点是三波波形梁护栏方管立柱安装,因方管没有圆管的旋转调整能力,对立柱的定位要求高,所以必须严格控制立柱的标高、间距、竖直度和中丝孔位。 

  6)立柱安装施工过程中应注意端头、护栏设置型式和钢护栏与混凝土护栏连接过渡段施工,以填挖路基交界处填挖零点为护栏端头起、终点位置,应按设计规定的坐标进行施工。 

  7)针对立柱安装路基段施工中出现的坏桩或高桩问题,严禁采用现场切割的办法处理。正确处理办法为:首先应将坏桩或高桩拔除,其次利用变化设置间距重新定位安装,或者报告现场监理根据地基情况采取人工开挖基础预埋立柱施工。暗板涵涵洞顶部施工,严禁盲目施工导致将洞顶打穿。应根据现场埋深情况采取人工开挖基础预埋立柱施工。 


道路护栏


( 1)zài jìn háng tián fāng duàn gāo biān pō tǔ lù jiān hù lán shī gōng shí ,bì xū tí qián tí xǐng shī gōng rén yuán zhù yì ān quán ,jìn kě néng bì miǎn shī gōng rén yuán zài hù lán wài cè shī gōng ,xiū xī qī jiān jìn liàng yuǎn lí tǔ lù jiān 。 

  2)tè bié qiáng diào zài jìn háng hù lán pīn jiē luó shuān ān zhuāng guò chéng zhōng ,yán jìn qiāo jī luó shuān ,fáng zhǐ qiāo jī luó shuān shí pīn jiē luó shuān fǎn dàn ,shāng jí shī gōng rén yuán 。zhèng què fāng fǎ wéi cǎi yòng gāng qiān diào zhěng hù lán bǎn dā jiē cuò wèi ,diào zhěng zhì shàng xià dā jiē bǎn pīn jiē luó kǒng xiàng hù duì qí hòu ,zài ān zhuāng pīn jiē luó shuān 。 

  3)gēn jù shī gōng tú jìn háng lì zhù fàng yàng ,zòng xiàng yǐ lù xiàn gè duàn qiáo liáng 、tōng dào 、míng bǎn hán 、zhōng yāng fèn gé dài kāi kǒu hé lù xiàn jiāo chā děng wéi fàng yàng kòng zhì diǎn ,héng xiàng yǐ lù jī zhōng xiàn cè liàng diǎn wéi zhǔn ,jìn háng cè jù dìng wèi 。fàng yàng shí kě lì yòng diào jiē bǎn diào zhěng jiān jù ,bìng lì yòng fèn pèi fāng fǎ chù lǐ líng tóu shù ;rú yù lì zhù suǒ chù wèi zhì shè yǒu dì xià tōng xùn guǎn xiàn 、pái shuǐ guǎn děng ,yóu qí shì gài bǎn hán (àn bǎn hán )hán dòng dǐng bù mái tǔ shēn dù bú zú shí ,yīng tí qián jìn háng yù jǐng biāo jì ,yǐ biàn lì zhù ān zhuāng shí gēn jù xiàn chǎng qíng kuàng jìn háng chù lǐ 。 

  4)lì zhù ān zhuāng shí ,xū yī rén cāo zuò dǎ zhuāng jī ,yī rén yòng dìng wèi biāo gǎn kòng zhì lì zhù jiān jù ,yī rén pèi hé dǎ zhuāng jī zài ān zhuāng guò chéng zhōng lì yòng dìng wèi zhí jiǎo kǎ chǐ kòng zhì lì zhù héng xiàng wèi zhì hé biāo gāo ,yòng shuǐ píng chǐ kòng zhì lì zhù shù zhí dù ,yī rén guān chá xiàn xíng 。hù xiàng pèi hé duì lì zhù piān wèi 、qīng xié 、wān qǔ děng qíng kuàng jí shí yǔ yǐ jiū zhèng 。 

  5)bō xíng liáng lì zhù ān zhuāng shī gōng zhōng nán diǎn shì sān bō bō xíng liáng hù lán fāng guǎn lì zhù ān zhuāng ,yīn fāng guǎn méi yǒu yuán guǎn de xuán zhuǎn diào zhěng néng lì ,duì lì zhù de dìng wèi yào qiú gāo ,suǒ yǐ bì xū yán gé kòng zhì lì zhù de biāo gāo 、jiān jù 、shù zhí dù hé zhōng sī kǒng wèi 。 

  6)lì zhù ān zhuāng shī gōng guò chéng zhōng yīng zhù yì duān tóu 、hù lán shè zhì xíng shì hé gāng hù lán yǔ hún níng tǔ hù lán lián jiē guò dù duàn shī gōng ,yǐ tián wā lù jī jiāo jiè chù tián wā líng diǎn wéi hù lán duān tóu qǐ 、zhōng diǎn wèi zhì ,yīng àn shè jì guī dìng de zuò biāo jìn háng shī gōng 。 

  7)zhēn duì lì zhù ān zhuāng lù jī duàn shī gōng zhōng chū xiàn de huài zhuāng huò gāo zhuāng wèn tí ,yán jìn cǎi yòng xiàn chǎng qiē gē de bàn fǎ chù lǐ 。zhèng què chù lǐ bàn fǎ wéi :shǒu xiān yīng jiāng huài zhuāng huò gāo zhuāng bá chú ,qí cì lì yòng biàn huà shè zhì jiān jù zhòng xīn dìng wèi ān zhuāng ,huò zhě bào gào xiàn chǎng jiān lǐ gēn jù dì jī qíng kuàng cǎi qǔ rén gōng kāi wā jī chǔ yù mái lì zhù shī gōng 。àn bǎn hán hán dòng dǐng bù shī gōng ,yán jìn máng mù shī gōng dǎo zhì jiāng dòng dǐng dǎ chuān 。yīng gēn jù xiàn chǎng mái shēn qíng kuàng cǎi qǔ rén gōng kāi wā jī chǔ yù mái lì zhù shī gōng 。 )

  8)在遇到道路有上跨主线桥梁的桥墩时,及时向现场监理报告,按照监理确定的设置型式进行施工,对桥墩进行防护。 

  9)在进行预埋立柱迫紧器或套筒时,重点保证承座器或套筒安装的标高和竖直度以及相邻间距均要符合设计要求,确保后期波形梁顺利安装。 

  10)波形梁通过拼接螺栓相互拼接,并由连接螺栓通过防阻块固定于立柱上。 

  11)波形梁安装施工时对立柱间距不均匀的,应选用合适的调节板安装,严禁切割护栏板。 

  12)护栏线形调整完成后,方可紧固连接螺栓和拼接螺栓。 

(8) When the pier of a bridge spanning the main line on the road is encountered, the site supervision report shall be made promptly, and the construction shall be carried out according to the set-up type determined by the supervision, so as to protect the pier.

9) When carrying out the pre-embedded column press or sleeve, it is important to ensure that the elevation and verticality of the bearing or sleeve installation and the adjacent spacing meet the design requirements to ensure the smooth installation of the wavy beam in the later period.

10) The corrugated beams are joined together by splicing bolts, which are fixed on the posts through an anti-blocking block.

11) If the spacing between the columns is not uniform during the installation and construction of the corrugated beam, the appropriate adjusting plate shall be selected for installation, and the cutting of the guardrail plate shall be strictly prohibited.

12) after the alignment of the guardrail is completed, the connecting bolts and splicing bolts can be fastened.)

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