(navigation image)
Home American Libraries | Canadian Libraries | Universal Library | Community Texts | Project Gutenberg | Children's Library | Biodiversity Heritage Library | Additional Collections
Search: Advanced Search
Anonymous User (login or join us)
Upload
See other formats

Full text of "The Flow Of Gases In Furnaces"

ARCH  BRICK WORK                              177



2~v       ........   (1)

   a   0.5Z
S1Q2= ..........   (2)

,==6.2832rXa(deg.)

360 -   .....   (3)
or

= 0.01754rXa(deg.).

'd=r~v ..........   (4)

r'=r+t ..........   (5)

e=0.01754r'Xa(deg.) .....    (6)

k=c~b ........ -    .    .    (7)

~e-f-     .........    (8)

s

-= n = total number of brick in span. .    ...    (9)

k
-== n'=number of taper brick in span.    .    .    (10)
7
n--72/=n''=number of straight brick in span.     .    (11)
3P I
Thrust, uniform loading   =Tu--~~.
juV
3PI
Thrust, concentrated Io&d=Tc = '-~.
Pu = uniform load, pounds per square foot.
*   Pc = concentrated load in pounds at center of span.
When several concentrated loads are to be considered, reduce
to an equivalent concentrated center load.