Hydraulic and earth engineering – Fluid control – treatment – or containment
Patent
1999-03-15
2000-11-28
Lillis, Eileen D.
Hydraulic and earth engineering
Fluid control, treatment, or containment
405 36, 405 53, 405 55, 521697, 523021, E02B 1300, E02D 2700
Patent
active
061526525
ABSTRACT:
A pit assembly 10 is provided to assist in the installation of a pit, such as a dynamometer pit, into cementitious material. The pit assembly 10 includes a pan 20 which has an open top and an interior region having a desired size for housing equipment, such as a dynamometer. A floor of the pan 20 is preferably at least partially sloped so that any liquids within the pan 20 migrate to a sump 40 in the pan 20. A rebar cage 50 surrounds the pan 20. The rebar cage 50 is securely attached to the pan 20 through ties 52, 54, 56. The rebar cage 50 includes various different loops 60, 62, 64 and other rebar segments forming the rebar cage 50. The rebar cage 50 is attached to the pan 20 before the cementitious material is poured around the pit assembly 10 and before the pan 20 is placed in the desired position. Hence, the pit assembly 10 including the pan 20 and rebar cage 50 are prefabricated so that the entire pit assembly 10 can be readily positioned, with spacing between the rebar cage 50 and the pan 20 properly maintained. After the pit assembly 10 has been positioned as desired, cementitious material is poured in a manner surrounding the rebar cage 50 and abutting against the pan 20, with a surface of the cementitious material preferably flush with a rim 22 of the pan 20. Equipment, such as a dynamometer, can then be located within the pit formed by the pan 20 of the pit assembly 10.
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Lee Jong-Suk
Lillis Eileen D.
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