z-type support anchor
weight of stone

width=

60

lenght=

60

thickness=

2

density=

2700

kg

weihgt of stone=

wd*ln*th*density

weight of stone=

19,44

kg
Stone load on extension arm

No. of extension arms=

2

stone load on ex. arm=

weight of stone

st. load- ex. arm=

9,72

kg
No. of ex. arm
Stone load on pins

No. of pins=

4

stone load on pin=

weight of stone

st. load-pin=

4,86

kg
No. of pin
Wind load on extension arm with referance to (DIN 1055)

max wind pressure=

150

kg

max wind load ex.arm=

max_wind_pressure*wd*ln

max wind load ex. arm=

27

kg
No. of ex. arm
Wind load on pin with referance to (DIN 1055)

max_wind_load p=

max_wind_pressure*width*lenght

max_wind_load p=

13,5

kg
No.of pins
material properties (AISI304 stainless steel)

øk=

5500

kg

øa=

2200

kg

øshear=

1320

kg

ð=

2000000

kg
cm² cm² cm² cm²
Pin dimensions

radius  p=

5

mm

lenght  p=

50

mm

cross-section area p=

p rad. p²

pin crosssect.areai=

0,19635

cm²
4
Resultant Force on Pin

b_force=

max_wind_load p²+stone_load_p²

b_force=

14,34816

kg

øpin=

b_force

øpin=

73,07456

kg
pin_crosssect_area cm²
ø pin should be less than ø shear (1320 kg/cm²) 
Extension arm dimensions

ext.arm radius=

12 mm

lenght s=

3 cm

cross sect. area of ext. armi=

p radius ext.arm²
4
Max. ext.arm bending moment

ext.arm_hole_depth=

0,8 cm

mmax s=

stone_ load_s(lenght s-ext.arm_hole_depth)

mmax s=

21,384

kg*cm
tread shear

d r12=

9,726

mm (TSE 88 M12 tread base)

r=

2*max_wind load s

r=

22,09124

kg/cm²
p d r12*ext.arm_hole_deepth
Crushing
Stone Load Crushing

ø_crush_stone=

stone load_s

øcrush stone=

10,125

kg/cm²
r ext.arm*ext.arm_hole_depth
Wind Load Crushing

tread spacing=

0,175

cm

ø_crush_wind=

max_wind_load s

øcrush wind=

15,2234

kg/cm²

p*

r  ext.arm²-dr12²ext.arm_hole_depth
4 tread_spacing
Moment effect

ø_crushM=

Mmax s

ø_ezilme M=

27,84375

kg/cm²
ext.arm_hole_depth²*r ext.arm
Resultant tension on extension arm

øs=

ø_crush stone+ø_crush wind+ø_crush M

ø s=

53,19215

kg/cm ²
øs should be less than øa (2200kg/cm²)
Z-anchor dimensions

width anc.=

3

cm

r ext.arm_out=

1,8

cm

total_anchor_span=

8

cm

total_anchor_width=

6,5

cm
Maximum moment due to wind load

M_wind anc.=

max_wind_load s*w g

M_wind anc=

20,25

kg*cm

4

M_total anc=

Mmax s+M_wind anc

M_total anc=

41,634

kg*cm
Tension on anchor

ø=

M_total anc

ø anc=

650,5313

(r ext.arm_outer-r ext.anc)*ext.arm_holr_depth²

6

øg shoul be less than øa  (2200kg/cm²)
Fixing Nut Dimensions (galvanised, rate 6.8 or 8.8)

r nut=

0,8

cm

lenght nut=

1,5 cm

d r8=

6,376

mm (TSE88 M8 tread base)

rica=

900

kg/cm²

ø_ca=

1600

kg/cm²
Shearing force on Fixing Nut

cross-section nut=

p

dr8²

cross-section nut=

0,319291

cm²

4

r c=

stone load-s

r c=

30,44249

kg/cm²
cross-section nut
r c r should be less than c a(999 kg/cm²)