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Concrete pumping pipe
Provided is a concrete pumping pipe not provided with a metal pipe, the concrete pumping pipe having a cylindrical body formed of a resin, the coefficient of kinetic friction of the inner surface of the cylindrical body being 0.07-0.30, the cylindrical body being free from cracking and leakage in a 25 MPa water pressure resistance test, and the total light transmittance per 2 mm thick test piece of the cylindrical body being 10% or more.
一种不具备金属管的混凝土泵送管，其中，该混凝土泵送管具有由树脂形成的圆筒体，该圆筒体的内表面的动摩擦系数为0.07～0.30，所述圆筒体在25MPa耐水压试验中不发生破裂、泄漏，所述圆筒体的每2mm厚试验片的总透光率为10％以上。
Concrete pumping pipe
Provided is a concrete pumping pipe not provided with a metal pipe, the concrete pumping pipe having a cylindrical body formed of a resin, the coefficient of kinetic friction of the inner surface of the cylindrical body being 0.07-0.30, the cylindrical body being free from cracking and leakage in a 25 MPa water pressure resistance test, and the total light transmittance per 2 mm thick test piece of the cylindrical body being 10% or more.
一种不具备金属管的混凝土泵送管，其中，该混凝土泵送管具有由树脂形成的圆筒体，该圆筒体的内表面的动摩擦系数为0.07～0.30，所述圆筒体在25MPa耐水压试验中不发生破裂、泄漏，所述圆筒体的每2mm厚试验片的总透光率为10％以上。
Concrete pumping pipe
混凝土泵送管
SATO KOICHIRO (author) / HARUMI KEIJI (author)
2023-11-24
Patent
Electronic Resource
Chinese
IPC:
E04G
SCAFFOLDING
,
Baugerüste
Pumping concrete -- Friction between concrete and pipe-line
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