groundsill

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ground·sill

 (ground′sĭl′) also ground·sel (ground′səl, groun′-)
n.
The horizontal timber nearest the ground in the frame of a building.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

groundsill

(ˈɡraʊndˌsɪl)
n
(Building) another name for ground plate
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ground•sill

(ˈgraʊndˌsɪl)

also groundsel



n.
the lowermost sill of a framed structure, esp. one lying close to the ground.
[1400–50]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Furthermore, the retrofitting scheme used in this group (double bottom plates) provides a moderate improvement in ultimate flexural strength compared to the other retrofitting schemes adopted in groups A (single bottom plate) and B (top and bottom plates).
The length of the girder segment (along the direction of bridge) is 12.0 m; the distance of two transverse diaphragms is 4.0 m; the thickness of the diaphragm is 12 mm; the width of the roof (along the transverse direction of bridge) is 20.12 m and thickness is 14 mm, while the bottom plate is 17 m and thickness is 10 mm; the thickness of longitudinal diaphragm is 9 mm and U-shaped stiffener is 6 mm [17, 28].
The bottom plate is lined with permanent magnets and the top (forcer) plate is lined with iron-core magnetic coils.
The intent is to turn the bottom plate of the existing frame wall into a pan flashing.
Under the effect of the vehicle load, according to the flat section assumption, the top plate of the box girder along the longitudinal presents compression stress and the bottom plate presents tensile stress.
Teysseyre and de los Reyes developed a top-gate molding system for encapsulating semiconductor devices based on mold cavities formed between a middle plate and a bottom plate with an elaborate runner system.
Hit the studs as close to the bottom plate as you can, but not so hard that you pull out the nails on the top plate--that's a good way to catch a falling stud in the noggin.
Due to gaps between the bottom plate and concrete plinth, water and air can penetrate and start corroding this area which can lead to the tank being shutdown for repair, or worse, replacement.
The product's unique features include a discjet bottom plate which distributes the drying air from the bottom of the fluid bed at the same 45-degree angle as the nozzles deliver the coating liquid, as well as a Huttlin 3-fluid nozzle design which includes a compressed air supply for 'microclimate air'.
The scope of supply ranged from replacement of tank foundation, bottom plate, CP system, overhauling of the roof drainage system and other tank accessories that need rehabilitation or replacement with a diameter of 60.98 m and height of 14.634 m.