Method for reinforcing and strengthening main cable of suspension bridge
A technology for suspension bridges and cables, which is applied in the maintenance field of suspension bridges, and can solve problems that affect the driving safety of bridges, main cables are damaged, and main cables cannot be replaced by suspension bridges, etc.
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[0012] see Figure 1~3 , the reinforcement method of the main cable of the suspension bridge is: a new main cable 1 is erected in parallel along the original main cable just above the original main cable 2. Cable saddle 5 installs new main cable 1, adds prestressed expansion head anti-slip anchor pile 8 at the back of former anchorage 7, and combines with former anchorage and becomes integral body as the anchoring installation of newly adding main cable 1. Cable clips 9 are arranged on both sides of the position corresponding to the cable clip 12 on the original main cable on the new main cable 1, and a mounting groove 11 is opened in the middle of the upper end of the cable clip 9, and a U is articulated in the mounting groove 11. Type suspension rod 10, U-type suspension rod 10 is connected with the lower bottom surface of former suspension rod anchor head 15 with a connecting plate 13, and evenly regulates the internal force of each U-type suspension rod by the nut 14 of U-...
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