Prestressed well lid
A technology of prestressed and prestressed steel strands, which can be used in water conservancy projects, artificial islands, underwater structures, etc., and can solve the problems of easy cracking and breaking, poor grip between steel bars and concrete, and poor bending and impact effects. Good and other problems, to achieve the effect of ensuring construction quality, ensuring bending resistance and impact strength, and improving service life
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[0008] In order to further illustrate the content of the invention and the characteristics of the present invention, it is specifically described as follows in conjunction with the embodiments:
[0009] Such as figure 1 As shown, a prestressed manhole cover includes a manhole cover 1 and a prestressed steel strand 2, the manhole cover 1 is made of concrete, the manhole cover 1 wraps the prestressed steel strand 2, and the prestressed steel strand 2 are distributed in a cross network structure 3, and the prestressed steel strands 2 are scored prestressed steel strands.
[0010] The above descriptions are only preferred embodiments of the present invention, and do not limit the scope of the present invention. Various modifications and improvements made to the technical solution of the present invention by those skilled in the art should fall within the protection scope of the present invention.
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