What is wedge steel plate?

What is wedge steel plate? Wedge-shaped steel plate is a kind of writing tool in ancient times. Wedge-shaped is generally a shape with a sharp top and a thick bottom. The wedge-shaped steel plate we call is also this shape, so it is called a wedge-shaped steel plate. The main function of the wedge-shaped steel plate is to achieve leveling. It is also called leveling steel plate in bridge construction. Where is the wedge-shaped steel plate mainly used? Generally, there is a slope on the bridge. Where there is a slope, there is a gap between the support and the beam. By adding a wedge-shaped steel plate of appropriate size to reduce the force of the support, avoiding the support caused by the imbalance of the force In case of damage, the bridge wedge-shaped steel plate needs to add a wedge-shaped steel plate (leveling steel plate) between the embedded steel plate and the steel plate on the support for leveling, and the support is placed horizontally. When the bottom of the beam is longitudinally sloped, a wedge-shaped steel plate that diverges from the longitudinal slope of the bridge is installed between the bottom of the beam and the support to level it. When the beam body has both a longitudinal slope and a transverse slope, a wedge-shaped steel plate with two different slopes is installed between the bottom of the beam and the support and the bridge longitudinal slope, and the transverse slope is divergent.

Wedge steel plate

How to make the bottom of the beam contact the support after the installation, so that the support is evenly stressed, the adjustment method is to add a wedge-shaped steel plate that is different from the bridge slope between the embedded steel plate and the top of the support, and the height of the cushion stone is the same. Use wedge-shaped steel plates with different thicknesses, and use leveling steel plates with the same thickness if the pad stone heights are different. Before pouring the beam, place a supporting steel plate slightly larger than the plane of the support on the support. The steel plate is welded and anchored to the beam. The supporting steel plate is regarded as a part of the casting beam template. Stop pouring according to the above method. The support can be closely attached to the top surface of the steel plate at the bottom of the beam and the cushion stone. The key to installing the rubber bearing of the prefabricated beam is to ensure that the bottom of the beam is parallel and flat on the top surface of the cushion stone, so that it is closely attached to the upper and lower surfaces of the support, and there is no bias, void, or uneven support force. . The construction procedure is as follows: dispose of the supporting stone so that the elevation of the supporting stone is the same. The underside of the prefabricated beam and the support must be kept to a high degree of warfare. When there is honeycomb slurry and inclination, it should be tamped and leveled with cement mortar in advance.

Leveling the steel plate

Wedge-shaped steel plates are mainly used for sloped bridges, and are usually processed and manufactured from Q235 steel plates. Each bridge has a different longitudinal slope. When the longitudinal slope of the bridge is not more than 1%, the plate rubber bearing can be directly installed on the pier, but the thickness required for the effect of the longitudinal slope should be considered. When the longitudinal slope is greater than 1%, a wedge-shaped steel plate is added between the embedded steel plate and the steel plate on the support to level the bottom of the beam. The longitudinal slope of the wedge-shaped steel plate must be consistent with the longitudinal slope of the bridge required by the design to ensure that the support is level after the beam is installed. If the longitudinal slope is not correct, the support will be biased, prematurely damaged, and cause damage to the operation of the bridge. Security hazards will be more troublesome to deal with later. There is no specific specification for the wedge-shaped steel plate, and it is generally custom-made according to the design drawings of the bridge slope.

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