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1、 12-1 伸缩缝的施工伸缩缝的施工12.1.1 12.1.1 概述概述 12.1.2 12.1.2 施工工施工工艺12.1.1 概述概念 为顺应资料胀缩变形对构造的影响，为了使车辆平稳经过桥面，而在桥梁构造的两端设置的间隙称为伸缩缝安装 分类 对接式、钢制支承式、橡胶组合剪切式、模数支承式、无缝式五大类备注：分类的各伸缩缝的参数见后表备注：分类的各伸缩缝的参数见后表伸缩缝的施工 概述安装要求满足梁体的自在伸缩耐久性、行驶的温馨性、防水性及施工方便顺应温度变化混凝土的徐变及收缩引起的伸缩，梁的挠度等要素引起的伸缩变化等。伸缩缝的施工 概述伸缩缝的施工 概述伸缩缝的施工 概述1.桥面铺装2.伸缩
2、缝安装的锚固系统3.伸缩安装的伸缩体4.梁板体第14类伸缩缝构造表示图伸缩缝的施工 概述1.桥面铺装2.桥面整体化混凝土3.伸缩体4.梁板体5.锯鏠第5类伸缩缝构造表示图伸缩缝的施工 概述类伸缩缝施工工序14伸缩缝的施工 概述类伸缩缝施工工序第5伸缩缝的施工 概述类伸缩缝施工14伸缩缝的施工 概述类伸缩缝施工第5备注：无缝伸缩缝施工工艺详细引见伸缩缝的施工 概述12.1.2 施工工艺无缝伸缩缝施工工艺概念：接缝构造不伸出桥面时，在桥梁端部的伸缩间隙中填入弹性资料并铺上防水资料，然后在桥面铺装层铺筑 粘弹性复合资料，使伸缩接缝处的桥面铺装与其它铺装部分构成一延续体，以衔接缝的沥青混凝土等资料的变
3、形接受伸缩的一种构造。 伸缩缝的施工 施工工艺1.开槽2.整平、枯燥和清洁4.海绵泡沫条5.倒料6.铺钢板7.盖钢板：8.做伸缩缝：1将石子加热至200左右，倒入槽内推平4厚，快速用手动压实板压实，然后均匀灌入加热好的BJ-200伸缩缝料，直到石子外表没有气泡为好。2把石子与BJ-200伸缩缝料比例为5：1一同搅拌，把拌好后的混合料倒入槽内推平，推平后高出路面5。9.等到混合料温度降到70时，平板式压实机沾上水，放到混合料上震动压实。10混合料压实后，在槽两边间隔槽口3处各粘贴一条胶带纸。11铺砂12做完以上任务后，等3个小时伸缩缝冷却后就可以通车。施工工施工工艺备注：第注：第8，9工工艺的温
4、度一定要控制好的温度一定要控制好伸缩缝的施工伸缩缝的施工海绵泡沫条海绵泡沫条伸缩缝的施工伸缩缝料伸缩缝料灌缝机灌缝机伸缩缝的施工伸缩缝的施工伸缩缝的施工压实之后的压实之后的情况情况施工质量控制程度方向的伸缩量达25垂直方向的伸缩量达3 优点易施工完全防水提供平稳行驶的路面施工快速易维修可以于相接路面一同修补免维护可以进展面层防滑修饰伸缩缝的施工板式橡胶伸缩缝施工工艺施工程序：施工程序：桥面整体面整体铺装装切切缝预留槽清理留槽清理将将L L螺栓、底角螺栓、底角钢固定在定位支架上，一同放入固定在定位支架上，一同放入预留槽内留槽内布布设横向横向钢筋，并筋，并经过形形钢筋把它筋把它们同同预埋筋埋筋焊接
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