(1 = Wall, 2 = Column) , Concrete Structure T unitless Coefci Coefcient ent depe depende ndent nt on the the size size and shap shape e o t mh Cement type unitless Coefci Coefcient ent depe depende ndent nt on on the cons constit tituen uentt materi materi m
25.00 !"m# $.$0 m $.$0 m $.00 m"hr $2.00 ' C 0.56 unitless
Wei!ht "ensity o Concrete #ertical $our hei!ht #ertical %orm hei!ht The rate at which which the concrete concrete rises rises &ertica &ertically lly up t Concrete temperature at placin! ( 'T*1 )+, Temperature Coefcient
2.0 C)&)* 10+ , Pro-isions When C1
P1 = %=
- . /, the 0uid pressure ("h) should e taen as the desi!n pres
Pressure is, DC!"R#C$%"&'( &C!"R)*)
P/1 = P/1 = P/2 =
C1 - incorporates incorporates the e3ects e3ects o &iration &iration an #ertical %orm hei!ht
1.$ m $.$0 m
5$.+ !"m +2.50 !"m
Calculated $ressure "h, $ressure
CONCRETE PRESSURE The "esi!n $ressure is the smallest etween the two calculated &alues $.5
Desi-n Pressure . /0123 4N567 0, 3.30
% = $
2.15 m
/ei!ht o /ydrostatic 4one
$.0 alues alues o3 Coe4cients C1 C2: 2.5 5 sec secti tion on wher where e eit eithe herr the the widt width h or or re re Walls: C1 1.00 5 sect sectio ion n wher where e oth oth the the wid width th and and re rea a Columns: C1 1.50 2 Concrete alue o3 C2 PC &%PC or S&PC 7ithout a/mi8tures 0.$0 PC &%PC or S&PC 7ithout a/mi8tures a/mi8tures 0.$0 ‐
a8e 9: C;ec4e8 9: Date: Job1No5 Re<1 RE=1 C8-89 -eport 16: pe he ormwor ls o concrete