Fort Worth gazette. [volume] (Fort Worth, Tex.) 1891-1898, 1891-11-07
That NEW BRIDGE
The Proposed Structure Across
the Trinity River.
7gF OPINIONS OF ENGINEERS.
-.,., Experts Think of the Plans and
-" snecIacations - The Theories Ad-
'P,,ccd on Each Side Regarding
O. Merits of the Plans.

,---.. In. been considerable talk regard
L. ,.r0sef Eddy suspension bridge
IL - trinity river, and there beng
t--l77 -,..... difference Of opinion about the
s-.- d ..rf assertions having been freely
Ia. t'- i#.b sides 10 the controversy, The
lA--r rr.s morning presents the opln-
10 n expert eEgin ers consulted ana
-ia a-.. roT on file with the council,
..r.-, comment.
"-..-..t. rs- meeting of the council the
vi .,..-- committee reported recon-
'4.... .i.. bridge TO be built according to
-.---- --l-.....E l...us and specifications sub
ned BIZ Johnson & Fad.
REPORT
NEW YORK, Sept. 2s, 1891.
-. :, Kerr ESQ. Fort Worth, Tex.
-, sui have carefully examined the
,-e..--.l specifications Of the PRO
,4Tr...g aver jsuspenslon) bridge" d.
H.. y.,.r auu in accordance with the
~, m - he city council would re-
LII, . r-r.r, a. io.lowSi
- r- % the specifications. These are
IN. and t..- such is are ordinarily pre-
s. good cEgluccring practice. The
...-. ... stronghold the roadwayS IS men
...- JOB pounds and of the sidewalk as
.... e. ut.r square foot. with 4 factor
rn.s: but rs mention Of the dead
.#..d az 300 strain sheet IS given, land
-.-... E FlEs accompany design,
..- Nina ever The entire computation,
-..-.--T. lie 10 tell whether the sizes
.... .r...-ct. Aside from this there is
.-..ify for disputes TO arise as to
-r.rtaIag Of the clause in question.
r- ....r....y.. is required to have resist
-......- Oh Eve times the tension on the
~ when fully loaded The amount
-. -a,- ..r is Nowhere shown.
cables lies. etc, are required to be of
....r..,- parallel wires. and wrapped for
,.,..ft.lre inches with fine wire at in
....u. Exceed twenty inches. This
.-,rr--s. revision 10 allow the water
s-.. r.,, fu penetrate 10 the interior of
,5.,,....- .,r. and ultimately to destroy
.'r This Is not theory, but has been
,.,,....--... co.. by actual trial Aside from
w.. .,...- Away with one great advantage
........- wrapping under heavy press
,.. VIII tA. binding Of the individual
v...---. 4. .se.y That they act as one, the
......7 .-y wigc against adjacent wires
haas. great when 1 cable is properly
rr..-.t as to fully equal its tensile
s.t,.rffl 10 = length 81 some fifteen feet.
H. ig..:azl cause. asphaltum paint is
r..-rIr,.I as "a prcscryative. This is not
t. ,a-. ru. criug in such cases.
'-,. r.'HUI shown of fastening the
viii. S...sudcrs and diagonals, allows
A. o.. Subsequent adjustment of lengths;
Ma % Is absolutely certain that at some
his +na". viii either be subjected to alb
i.-... Strains OF will not perform the full
c-.rAlyu;ns of them.
Tile reI1ds for the hand rail are Speci-
f.. ra he, uf aue-balf inch round iron. When
a,.rrw thread IS cut on this it will be still
f.lsar reduced, and the use of such small
sessions ,-u1t good practice, as aside from
Ih. question Of strength, they are not
U.r4ee
-su bonding or sizes OF stones are men,
tl-l- I1 he description of the masonry.
hfl.ri'E walls are mentioned but no
s'.gn4'e description is given.
Iln towers ere each forest on a circular
Gas. luA bed place. These TO be of use
u..i Boo strong enough to transmit the
}r.ssuI" equally over their entire surface,
I-i SIS shown ,hey have no stiffening ribs,
az. the; are not safe against rapture. The
caa-ral towers arc larger than the others
are rarry more load, but the bed plates are
81 r5Je4 20 be Of the same dimensions
1TEL
Arasr-rIg cap IS provided for the top of
ta.G .uw.r as a bearing for the cable at
ua poiu. hGi no dimensions are given.
I.r 81. usincut for the wind brace
u.a.,S + 81 .rrv crude device
IHa provision 10Y 1.-TWO coats of paint
on ...;g II work. with no specification as to
quality. is lrl a proper specification, neither
& 'ae quantity sufficient.
flt provision given for test, viz. that
tn bridge shows mo undue distortion"
&c : vague. aud subject to criticism
How ouDu Is undue distortion, etc. 90
Who sua'. decide?
As Understand the last clause in the
ratification. each main cable has two
sEtlary cables Starting from the anchor
.: :, one side, The course of a cable is as
.U,s. IT runs over the top of the next