Portal frame for trench box stack

Details Portal frame for trench box stack Portal frame for trench box stack

1978-01-16

1978-09-19

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

E21D 512

Patent

active

041143833

ABSTRACT:
A portal frame attached to the open end of a trench box structure and assembling and rigidifying the stacked plural boxes forming the smooth wall sides of the consequent trench box whereby side sections or panels of trench boxes are stackably adjustable as to depth or trench served and the portal span provides maximum clearance for the pipe and including thrust plates in the portal frame for transmitting thrust from the boxes and into the portal frame.

REFERENCES:
patent: 2777294 (1957-01-01), Rosa et al.
patent: 3212270 (1965-10-01), Benintend
patent: 3420065 (1969-01-01), Holl
patent: 3606757 (1971-09-01), De Weese et al.
patent: 3782126 (1974-01-01), Pavese

Affiliated with

Also associated with

Rating

Portal frame for trench box stack does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Portal frame for trench box stack, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Portal frame for trench box stack will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2112245