Concrete for the lining of tunnel tubes

Details Concrete for the lining of tunnel tubes Concrete for the lining of tunnel tubes

1978-08-30

1980-06-24

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C04B 702

Patent

active

042093384

ABSTRACT:
A tunnel lining is formed by pumping concrete between a support and a tunnel wall, the concrete being selected from the concretes of concrete group BII of German Industrial Standard (DIN) 1045 and containing as an additive, steel pins, rods or wires having a length of 35 to 50 mm and a diameter of 0.8 to 1.2 mm. Approximately 100 kg/m.sup.3 of concrete is constituted by the steel pins or wires.

REFERENCES:
patent: 3429094 (1969-02-01), Romualdi
patent: 3650785 (1972-03-01), Ball et al.
patent: 3834916 (1974-09-01), Kesler
patent: 3986885 (1976-10-01), Lankard
patent: 4106300 (1978-08-01), McNeill
patent: 4121943 (1978-10-01), Akazawa et al.

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