GQF-Z型桥梁
伸缩缝是中交公路规划设计院设计的一种新颖桥梁
伸缩装置，产品适用于大流量交通地段的公路、城市桥梁、高架道路与立交工程。目前在施工中占有很大的比重。
GQF-Z bridge expansion joint is a new bridge expansion device designed by the Interchange Highway Planning and Design Institute. The product is suitable for highway, urban bridge, elevated road and interchange projects in large traffic areas. At present, it occupies a large proportion in construction.
GQF-Z型
桥梁伸缩缝结构特点与功能
Structural Characteristics and Functions of Expansion Joint of GQF-Z Bridge
Z型伸缩缝由一条整长的橡胶
密封条，一组钢质边梁及
锚固件组成。钢质边梁外侧的锚固件，与梁端预埋
钢筋相焊接，浇筑高强度混凝土过渡段后，同梁体连结。Z型伸缩缝具有连结可靠，与桥面接合平顺，密封止水、伸缩灵活，行车平稳，使用寿命长的特点。适用于伸缩量为40mm，60mm和80mm的桥梁。
The Z-type expansion joint consists of a whole rubber sealing strip, a group of steel side beams and anchors. The anchors on the outer side of the steel side beam are welded with the embedded steel bars at the end of the beam, and then connected with the beam body after pouring the transition section of high strength concrete. Z-type expansion joint has the characteristics of reliable connection, smooth connection with bridge deck, sealing, flexible expansion, smooth driving and long service life. It is suitable for bridges with 40 mm, 60 mm and 80 mm expansion.
GQF-Z型桥梁伸缩缝安装步骤及注意事项：
Installation stEPS and precautions for expansion joints of GQF-Z bridge:
1、当工程施工单位在安装桥梁伸缩缝时，一旦发生碰撞变形，很难修复为合格产品，所以在安装的全过程中，一定要采取措施保护，严禁任何车辆通过。
1. When the project construction unit installs the bridge expansion joint, once the collision deformation occurs, it is difficult to repair it as a qualified product. Therefore, in the whole process of installation, measures must be taken to protect it and forbid any vehicle to pass through.
2、一定要精心操作。如果出现现场不易调整，所以对伸缩缝的成品检查一定要认真、仔细。不合格不可运至现场。
2. It must be carefully operated. If the site is not easy to adjust, so the product inspection of expansion joint must be serious and careful. Unqualified can not be shipped to the scene.
3、在桥梁伸缩缝在安装前，要与设计图和现场核对位置、尺寸无误后，再稳放入预留槽。要将桥上各接缝处缝隙一定要用聚苯乙烯
泡沫板塞严，防止浇注保护带混凝土时灌入，使缝失效。同时，也不可将装置内灌进混凝土，以免更换V形象
胶带时受阻。
3. Before installation of bridge expansion joints, it is necessary to check the position and size with design drawings and site before placing them in reserved slots steadily. The joints of the joints on the bridge must be tightly seaLED with polystyrene foam boards to prevent the pouring of the protective belt from pouring into the concrete so that the joints fail. At the same time, concrete can not be poured into the device, so as not to be blocked when replacing V image tape.
4.、在保护带混凝土浇筑后，前7-8日一定要及时洒水养护，以利强度增长和防止裂缝出现。
4. After pouring concrete in the protective belt, the first 7-8 days must be sprinkLED with water in time to maintain, in order to increase strength and prevent cracks.
