Device for reducing cracks of concrete at periphery of road well cover
A technology of concrete cracking and concrete layer, applied in road construction reinforcements, water conservancy projects, artificial islands, etc., can solve problems such as the impact on the lives of surrounding residents, and achieve the effect of increasing elasticity
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[0026] See Figure 1-6 , A device for reducing concrete cracking around road manhole covers, including wellbore 1, leveling layer 2, well circle 3 and well cover 4. The well cover 4 is rotatably connected with the well circle 3 through a pin, and the well circle 3 is fixedly connected to the wellbore through the leveling layer 2. 1 The upper end of the shaft 1 and the leveling layer 2 are made of concrete. The concrete at the upper end of the shaft 1 and the leveling layer 2 includes an anti-cracking device 5. The anti-cracking device 5 includes two anti-cracking balls 6 and a connecting rod 7, and two connecting rods 7 The ends are respectively connected to the anti-crack ball 6. The anti-crack ball 6 includes a hollow steel ball 8 located in the center of the ball. The hollow steel ball 8 is filled with a steel wire 9 and a binder 10, and the steel wire 9 is connected in the hollow steel ball 8 in disorder , The adhesive 10 contains carbon fiber, the outer layer of the hollow...
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