Roads and bridges should be arranged within the support cushion stone steel mesh, bar diameter of not less than 8mm, spacing appropriate for the 50mm * 50mm, should be connected to the vertical steel reinforcement inside the piers, stone pad for pouring concrete strength not less than C40, at the same time, the top surface of the concrete pad stone should be pre-calibrated with a spirit level, and strive to smooth rather than smooth, and ensure that the surface is clean, dry, sand and other fluorine-free. Highway bridge bearing pad stone top surface elevation should strive bearing pad stone top surface will be the same elevation level, this top must be strictly controlled. The same highway bridge support cushion stone height should be less than 0.5mm, its relative height should not exceed 1.5mm, to avoid bias, the initial shear deformation and appear uneven force phenomenon. Roads and bridges now pouring into every branch of installation is relatively easy, roads and bridges construction sequence bearing elastic hinge bearing, clean and organize support cushion stone, the first branch before receiving seat cushion or bridge piers stone top table remove loose sand surface, the top surface of the stone to keep the pad clean and free of oil, if the elevation deviation stone piers support cushion is too large, use a dry hard cement mortar to adjust. Ensure flatness and precision elevation pad stone. After consideration of the use of temporary bearing cast body, should be the strength of concrete beam to meet the design requirements, road bridge bearing roof beams and remove the temporary abutment and templates, exact placement of permanent rubber bearings, rubber bearings off the beam when by force, and check whether the beam bearing and close, if there Void phenomenon and the simplicity of fixed hinge bearing, should be timely adjustment process. Precast girder highway bridge bearing installation, installing precast slab rubber bearing is critical that as much as possible to ensure that the highway bridge support beam bottom cushion parallel to the top surface of the stone, flat seat on it with rubber bearings The following full of tight, avoid bearing bias, void and uneven and supported phenomenon. Construction sequence and precautions bias precast beams laminated rubber bearing, bearing void and uneven, according to the pouring of support cushion stone cleaning requirements and challenges, highway bridge bearing pre-deal support cushion stone. Precast beam end bearing is not placed at the bottom of the handle; bottom plane of contact with the bearing precast beams shall ensure that the level of adjustment, highway bridge supports cellular or if there should be pre-tilt with sediment slurry leveling tamping. Properly seated FIXED rubber bearing bearings, bearing press pouring in place requirements when falling girder beam, the beam should coincide with the longitudinal axis of the bearing centerline, the longitudinal axis of the plate girder and box girder should parallel with the bearing centerline. FIXED bearing _ _ Liupanshui bearing holder to buy preferred Hengshui Hao-Hao Tong companies by Hengshui Rubber Co. project. Hengshui Hao-Engineering Rubber Co. (www.htgcxj.com) strong, credible, Hebei Hengshui site construction materials industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement through innovative ideas will lead Hao engineered rubber and you hand in hand into the brilliant, for a better future!