Construction method for tunnel bridge construction joint sealing system
A construction method and technology for construction joints, applied in bridges, artificial islands, water conservancy projects, etc., can solve the problems of engineering social benefits and aesthetic effects, infiltration, water bleeding on the surface of concrete structures, etc., to achieve better waterproof effect and ensure waterproof effect. Effect
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[0018] The construction method of the construction joint water stop system of the tunnel bridge provided by the present invention will be described in detail below with reference to the drawings and specific embodiments.
[0019] Such as figure 1 — figure 2 As shown, the construction method of the tunnel bridge construction joint water stop system provided by the present invention includes the following steps in order:
[0020] 1) The front and rear ends of the side walls 2 and the bottom plate 3 of the frame bridge 1 are manually chiseled with a pneumatic pick, and two U-shaped grooves 4 are formed on the end faces to remove the floating part and expose the stones; After removing the debris, use the air pump to blow the surface clean. After the loose concrete debris is cleaned up, rinse it with water;
[0021] 2) Install a water-swellable water-stop strip 5 in each of the U-shaped grooves 4 mentioned above, and ensure that the water-swellable water-stop strip 5 is close to the sur...
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