mathcad - calcul planseu

Facultatea de constructii Breviar de calcul 1 / 5

Calculul si dimensionarea planseului

Eforturi maxime pe directia x

NEd 0kN Efort axial

TEd 4kN Forta taietoare

MEd 6kN m Moment incovoietor

Todor Viorel Petrsor


Caracteristicile materialelor

fyd 250N

mm2

fctm 2.5N

mm2

fyk 355N

mm2

fck 16fcd 10.66

N

mm2

Verificarea coeficientului de armare

h0 13cm

p1 1.8

μ1 0.28ωp1

100

fyd

fcd 0.422

dnec

MEd

μ1 h0 fcd0.124 m

Prescriptii de armare

ϕ 10mm

Cmin.dur 15mmΔCdev 10mm

ϕmax 14mm

Cmin.b ϕmax 14 mm

Cmin min Cmin.b Cmin.dur 10mm 10 mm

Cnom Cmin ΔCdev 20 mm

ds Cnomϕ

2 25 mm

μc

MEd

1000mm h02

fcd0.033 ωc 0.035



Aria necesara de armatura

Asc ωc h0 1000 mmfcd

fyd 1.94 cm

2

Aria minima necesara de armatura

As.min 0.26fctm

fyk 1000 mm h0 2.38 cm

2

As.min.seism 0.5fctm

fyk 1000 mm h0 4.577 cm

2

As.max 0.04 1000 mm h0 52 cm2

Aefx ϕ10 17cmρ 0.5

fctm

fyk 0.004 As.1 4.7cm

2

ρmin 0.005 din conditia de ductilitate

ρ1

As.1

h0 1000 mm0.004 ρ1 0.004

ϕmin 14mm

ϕmax 14 mm

Reguli constructive

Stabilirea lungimii de ancorare

lb.rqd 4 ϕfyd

fcd

0.938 m

lb.min max 0.3 lb.rqd 10 ϕ 100mm 0.281 m

lb.min.c max 0.6lb.rqd 10 ϕ 100mm 0.563 m



k 1200

120 2.291

VRd.c.min 0.035 k

3

2fck

1

3 h0 1000 mm

N

mm2

39.758 kN

TEd 4 kN

Eforturi maxime pe directia y

NEdy 0kN Efort axial

TEdy 3kN Forta taietoare

MEdy 5kN m Moment incovoietor

μy

MEdy

1000mm h02

fcd0.028 ωc 0.03

Aria necesara de armatura

Asy ωc h0 1000 mmfcd

fyd 1.663 cm

2

Aria minima necesara de armatura

As.miny 0.26fctm

fyk 1000 mm h0 2.38 cm

2

As.min.seismy 0.5fctm

fyk 1000 mm h0 4.577 cm

2

As.maxy 0.04 1000 mm h0 52 cm2

ρy 0.5fctm

fyk 0.004 As.1y 4.7cm

2 Aefy ϕ10 17cm

ρminy 0.005 din conditia de ductilitate

ρ1y

As.1

h0 1000 mm0.004 ρ1 0.004



k1 1200

120 2.291

VRd.c.miny 0.035 k

3

2fck

1

3 h0 1000 mm

N

mm2

39.758 kN

TEdy 3 kN


mathcad - calcul planseu

Documents