Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1984-09-06
1986-10-21
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405150, 405126, 405149, E21D 900
Patent
active
046182837
ABSTRACT:
An archway construction positioned over a pathway for supporting a crossroad or the like. The archway has three primary sections including an upper ceiling section which spans the pathway and which is supported on two vertical support sections positioned on opposite sides of the pathway. The three primary sections are each comprised of alternating layers of compacted soil fill and steel reinforcing mats, with the mats serving to stabilize the fill. The ceiling section preferably includes at least three reinforcing mats including a lower flat mat and a pair of curved upper mats, with the three mats being separated by layers of fill except in a central region midway between the vertical support sections where the three mats are connected together. The two upper curved mats of the ceiling section provide vertical support for the center of the lower flat mat.
REFERENCES:
patent: 587392 (1897-08-01), Gray
patent: 678605 (1901-07-01), Wolcott et al.
patent: 701034 (1902-05-01), Gray
patent: 4329089 (1982-05-01), Hilfiker et al.
patent: 4413928 (1983-11-01), Tucker
patent: 4505621 (1985-03-01), Hilfiker et al.
patent: 4519730 (1985-05-01), Horimatsu
Hilfiker Pipe Co.
Taylor Dennis L.
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