flat arch


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Related to flat arch: straight arch

flat arch

[¦flat ′ärch]
(architecture)
A straight horizontal arch consisting of mutually supportive wedge-shaped blocks.
Any arch with a small rise-to-span ratio.

flat arch

flat arch
An arch whose soffit (i.e., lower face) is horizontal. Also called a Dutch arch, French arch, jack arch, or straight arch.
References in periodicals archive ?
p analysis Days of practice 2,59 1,68-3,99 <.0005 per week A7 (with reference 5,49 1,71-17,64 .004 to other shoes) Cavus arch (with 5,52 2,12-14,33 <.0005 reference to normal arch) Flat arch (with 0,98 0,16-6,16 NS reference to normal arch) Varus knee (with 5,63 2,01-15,72 .001 reference to normal knee) Valgus knee (with 1,50 0,32-7,01 NS reference to normal knee) Table 6.
"In fact," he says of motion control shoes, "the wider heel outsole has been suspected of accelerating pronation." Langer does maintain that in his experience those 180 pounds and over, and severe over-pronators with flat arches, do well in motion control shoes.
To feel better in running shoes even if you're saddled with low or flat arches (or excessive pronation), look no further than the Beast ($110), which offers the ultimate in motion control stability, smooth cushioning, and maximum support.
Flat arches were employed in the Pontevecchio in Florence in 1345 and were being constructed by the second hall of the century in England, notably at Dee Bridge, Chester.
The result is a stone frame -- 28 stone columns with flat arches between them -- supporting the roof and the reinforced concrete floor slabs.
Curious, though, because this is a massive stone structure, it is also built as a frame of piers and flat arches infilled with non-loadbearing panels.