STRUCTURE WITH A CIRCULAR SLAB ********* Data:
Top Circular slab Radius : 5.0m Height: 7.0m Two bay Each 3.5m Column sie: 0.!5m dia "eam sie: 0.3#m $ 0.%3m &late thic'ness :0.(5m Concrete )rade: *%0 +teel )rade :,e!(5
s Circular slab *odel
1.Geometry Creation :
-ew &roect
+elect +pace /nits:
,ile -ame1Circular slab
-e$t.
+elect
ength 1meters2 ,orce1-2 4dd
beam
,inish.
)eometry Run structure iard +elect ,rame models 6rom Truss model +elect Reerse Cylindrical ,rame and double clic' on it.
,ig. (
)eometry
parameters
*odel name: Reerse Cylindrical ,rame ength 17m
Radius 15m
4ngle1380
º
-o. o6 "ays along length1 % -o. o6 "ays along &eriphery1(8
4pply Trans6er
Remoe bottom members (8 "eams are deleted
*odel 9es
'.
,ig. % )eometry o6 the model with dimension
,ig. 3 ;sometric iew o6 circular slab +elect Top portion o6 ring beam +elect sur6ace meshing sur6ace meshing
+elect
Change
-ew
iew
&lan
iew
all the nodes along periphery one by one using
-o. o6 diisions13
'.
)o to whole structure.
,ig. ! >e6ine *esh Region ? change >iision as 3
,ig. 5 +ur6ace meshing o6 *odel
2. Member Property :
Clic' )eneral
&roperty
>e6ine Circle
9>10.!5m
,ig.8 &roperty 6or circular column
Rectangle 9>10.3#m
@>10.%3m <"eam=
4dd
,ig. 7
&roperty 6or "eam member
Thic'ness node (A%A3B!10.(5m
4ddClose.
,ig. # &roperty 6or slab thic'ness Highlight 9>10.!5m B +elect
"eam
&arallel to 9
4ssign
to selected
beam 4ssign 9es. Highlight 9>10.3#m @>10.%3m and select Top ring beam and middle tie beam member 4ssign to selected beam
4ssign 9es
.
Highlight thic'ness10.(5m B select plate cursor. +elect Top portion o6 slab 4ssign
to selected beam
4ssign 9es Close.
3. Support :
Clic' +upport
Create ,i$ed 4dd.
Highlight support % and select bottom
most nodes o6 column by windowing using node cursor nodes 4ssign 9es
Close >e
4ssign
to selected
select the nodes and change to beam cursor.
,ig.
4ssigning support as ,i$ed
!. Loa"#$% :
Clic' oad case >etails &rimary
-umber
4dd.
:( oading type: none Title: oad case (
Clic' oad case ( details +el6 weight
9
4dd
.
4dd.
,actor1?( 4dd.
&late loads&ressure on ,ull &lates (1?(-Dm% Highlight sel6weight
+elect
selected beamDplates
)9 4dd.
geometry cursor B select entire structure 4ssign to
4ssign 9es.
&. A$a'y# Type:
Clic' 4nalysisDprint Clic' post print
-o
>e6ine
print
4dd Close.
commands oad list
select
oad comb 4ddClic'
>e6ine
&arameters
4nalysis Results 4dd CloseA -ote: +ae the ,ile be6ore Run the &rogram. (. De#%$ :
Clic' >esign
ConcreteCurrent
code : ;+!58
,c1%0A000-Dm% 4dd. Clic' >esign commands
>esign
slab elements
4ddClose.
Highlight ,c'1%0000 and select plate cursor and select entire structure 4ssign
to selected beamsDplates
Highlight >esign o6 slab elements
4ssign 9es.
Top
plan iew
+elect
a triangular portion o6
one or two portion
4ssign
to selected beamsDplates
4ssign 9es.
,ig. (0 +election o6 triangular element 6or slab assigning ). A$a'y#:
,rom *ain *enu
4nalysis
Run
4nalysis
>one.
.Reu't : )o
to post processing mode.
+elect load case (
'.
Clic' +ummary o6 results o6 *a$. and *ini. >isplacement
6or nodes gien in Table 6orm.
,ig. ((
*a$. and mini. >isplacement o6 nodes
Results &late stress contour
+elect oad case ( +tress Type: *$ <ocal=
4pply '.
,ig. (% *a$. and *ini. "*> *$
+elect
oad case ( +tress Type: *y <ocal=
)o to Top iew. 9ou can see almost *$1*y <"ecause o6 circular
shape o6 slab=. >e6lection 1mm.
,ig. (3 *a$. and mini. "ending moment *y
,ig. (! &late orientation o6 triangular element o6 slab
*$ Fe Top rein6orcement along G direction and *?$ "ottom rein6orcement. 4t mid span steel is at bottom. )o to +taad output
Clic'
Concrete design and see the rein6orcement o6 circular
slab. F@?top slab rein6orcement. ongitudinal rein6orcement is at bottom.
,ig. (5
*in. B *a$. rein6orcement area 6or bending moment *$ and *y
