After a near-miss safety event during a changeover with their main feedline, a mining company sought a safer and more efficient solution to divert paste backfill
In case of tank empty condition, the external earth pressure of backfill
all around acts on the shell, which needs to be resisted by stiffening of shell plate at required intervals along the height of the tank.
Some possible minor changes include: (1) adjustment of the low-density concrete strength, (2) adding an additional recovery chute, and (3) modifying the type and/or length of some bolts, especially in the transition zone of the Phase 1 and Phase 2 concrete backfill
The full "Internal Pressure and Backfill
Load Resistance Characteristics of 'Popit' Lift Hole Plugs" report can be obtained from the What's New section at the American Concrete Pipe Association home page, www.
Since the incorporation of measurement probes at the XIVth and XVth levels in the middle of 1992, measurements of specific deformations in backfill
(XIVth level, elevation--6.
17) Lamb stated its additional costs included removing the backfill
around the failed ducts, replacing the damaged ducts, installing flexible connectors at the ductwork joints, and placing pea gravel backfill
under and over the re-installed ductwork.
This should be a reasonable assumption for most cases since the wall can hardly move toward the backfill
soils during shaking.
The gradation of recycled material met the backfill
Placing waste back underground as backfill
cannot be used to dispose of all the tailings produced, and some surface disposal is usually still required.
If it's bad, mix 1 cubic foot of compost into the backfill
According to president and chief executive officer Howard Levine, most of those stores will backfill
markets in which the chain already operates, taking advantage of the company's distribution infrastructure.
You can use any soil type for backfill
without affecting the product's performance, according to the company.