OVERHEAD CREANE
Static calculations
* * *
OBJECT:
n° decimal =
INSERT DATA
for decimals put the point
P = load
daN
L = beam length
cm
c =
cm
J = moment of inertia
cm
4
W = resistance modulus
cmc
E = elasticity module
daN/cm²
f permissible = L /
cm
permissible tension =
daN/cm²
RESULTS
for x = c/4 = (you have M1max)
cm
a = L/2 - x =
cm
b = a + c =
cm
Ra =
daN
Rb =
daN
M1 = Ra a = (max)
daNm
M2 = Rb (L - b) =
daNm
Ta = Ra =
daN
Tb = - Rb =
daN
tension found under the load of six = M1/W =
daN/cm²
tension detected under the load of dex = M2/W =
daN/cm²
f1 = (under the load P of six) =
cm
f2 = (under the load P of dex) =
cm
permissible arrow =
cm
1 daN = 1 Kg