Year1
- 规格：
- 80
- 规格：
- 120
- 规格：
- 160
Expansion joints refer to expansion joints that are usually set between the two beam ends between the beam ends and the bridge abutment or at the hinged position of the bridge in order to meet the requirements for bridge deck deformation. It is required that the expansion joints can freely expand and contract in both directions parallel and perpendicular to the bridge axis, and are strong and reliable. There should be no sudden jumps and noises when vehicles are driving. They should be able to prevent rainwater, garbage and soil from infiltrating and blocking, and installation, inspection, maintenance, and removal of dirt should be simple and convenient. . Where expansion joints are set, the railings and bridge deck pavement must be disconnected.
The function of bridge expansion joints is to adjust the displacement and connection between the superstructure caused by vehicle loads and bridge construction materials. Once the telescopic device of a skew bridge is damaged, it will seriously affect the speed, comfort and safety of driving, and even cause driving safety accidents. On the morning of October 1, at the Qianlincun intersection on the Dongtuo Line in Anhai Town, Jinjiang, Quanzhou, Fujian, an overloaded motorcycle with people on it collided with a retrograde car. The person on the motorcycle fell to the ground and was injured. One of the passengers was still injured. pregnant woman. At the time of the incident, a red car was driving in the opposite direction, and a motorcycle with a passenger on it happened to pass the intersection. After the car suddenly rushed out, the motorcycle driver hurriedly evaded to the left. However, due to the close distance between the two parties, he was unable to avoid it, and the two vehicles collided violently. At the moment of the collision, Meng, a man sitting at the back of the motorcycle, flew into the air and fell on his wife who had fallen to the ground. Meng's son sat on the ground and cried after falling.
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