E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 29/063 (2006.01) E21D 10/08 (1990.01) E21D 10/00 (1990.01)
Patent
CA 2087382
ABSTRACT OF THE DISCLOSURE In order to build an underwater tunnel in a short period of time in the same procedure as employed in constructing buildings on land by using a new construc- tion method that is totally different from the conven- tional method requiring a foundation work, the underwater tunnel is comprised of: a foundation body moored to the bottom of the water; a support frame erected on the foun- dation body; and a tunnel body formed integral with the support frame; wherein the tunnel body is formed in a two-layer construction which consists of an outer shell and an inner shell so that spaces formed inside the inner shell and between the outer and inner shells can be used for desired purposes, and the support frame is so formed that its vertical cross section is virtually a regular triangle and that a water tank is formed at the inside bottom of the support frame. The underwater mooring apparatus for holding the underwater tunnel in place in the water consists of: a tension cable means whose one end is secured to an anchor and the other end is attached with a rotatable pulley; and a plurality of connecting wire means wound around the pulley attached to the tension cable means, the both ends of the connecting wire means being fixed to the structure 23 to be moored; wherein one of the connecting wire means is normally under tension connecting the structure to be moored and the tension cable means and the remaining connecting wire means are normally set in a loosened state so that when the first tensed connecting wire means is broken, the remaining loosened connecting wire means can take over to hold the structure in place. 24
Niimura Masateru
Robic
LandOfFree
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