Breviar de Calcul Fundatii

8/10/2019 Breviar de Calcul Fundatii

1/15

X

Y

680 680 680 680

780

300

780

1 2 3 4 5

D

C

B

A

A2

A1 A3

A4

S2 4535 S2 4535 S2 4535

S3 3030

S3 3030

S3 3030

S3 3030

S4 3535

S4 3535

S4 3535

S4 3535

S1 4030 S1 4030 S1 4030

S1 4030 S1 4030 S1 4030

1) Caracteristici teren:Strat 1: teren de umplutur (1!0"5 m#Strat 2: ar$%l pr&'a plat%) )'n%tent (2!3 m#!1* +,-m). /!17. p!23. )!0"76. !18. )!30 +pa. !120000 +pa.e!0"67.Strat 3: n%%p ar$%l' $alen (3!4"5 m#

!18"5 +,-m). p!11. )!0"8. !23. )!17 +pa. !14000 +pa. e!0"75.Apa uteran e a&la la ' adn)%me de 2"20 m % are ' a)%d%tate &'arte la"

2) Fundaie rigid stlp S2:

a) ncrcri n gruparea fundamental:

,!3158 +, 9!473"7 +,m (# ;9!157"* +, (;#

b) predimensionare:

1


2/15

=)!

30

S2 4535S2 4535

>%$" 1: ?red%men%'nare &undat%e r%$%da talp S2

=!150

75

75

55 55

D&!200

20

)!100

55 55

B!260

B)!80

150

!320

210

55 553535

c) verificarea presiunilor pe talpa fundaiei:@er%&%)area e a &a)e )u p)'nn $ruparea &undamental" n)r)r%le 'r &% )ele

d%n &%$ura 2:

A

)

;B ,

8B

A

)

;,

8

E

< 9

E

>%$" 2: n)ar)ar% la aEa &undat%e%

+,62524"0@Darmatet'nCC ===

+,46"206246"8@et'n

===?un)tul A ete m%Fl')ul upra&eGe% de )'nta)t ntre &undaG%e % teren"n)r)r%le n pun)tul A 'r &%:

+,46"337046"20663158,@)

=++=++=

!Hp!@-A!405"1 +,-mp+,m*2"72122"2847"437#==(;

C =+=++=

+,m30011"142*"157#==(; CBB =+=++=

2


3/15

21"0@

e =

= 0*"0

@

eB =

=

ma9pe ' d%re)G%e:

=

e61

A

@

ma9 !H ( )3*"011"405ma9 = !H mp-+,1"563ma9=

ma9pe d'u d%re)G%%:

!H

=

B

e6

e61

A

@ Bma9 !H ( )21"03*"011"405ma9 =

!H mp-+,16"648ma9=?e n%)% ' d%r)G%e nu 'm aea e&'rtur% ne$at%e"

>%$" 3: ?re%un% pe teren

II

Determ%narea )apa)%tG%% p'rtante a terenulu%:mp-+,*5"431p)'n

=!H #2D(J#K1(J1Lpp &21)'n)'n ++=J1!0"05 !3"2 m D&!2 m!H mp-+,46"47*11"1*5"431p)'n === 46"47*1"405pp )'n


4/15

=C

C

C

C

ma9

e61

A

@!H ( )*"013*55ma9 = !H mp-+,5"7514ma9=

ma9pe d'u d%re)G%%:

!H

= CCB

C

C

C

C

ma9 B

e6

e6

1A

@

!H #45"0*"01(3*55ma9

=!H mp-+,25"*2*4ma9=

>%$" 4: ?re%unea )uE%netulu% aupra l')ulu% &undat%e%

I I

Bl')ul &undaG%e% a &% )'n&e)G%'nat d%n B)15 !H M)!*500 +,-mp!Hnu e9%t per%)'lul tr%%r%% l')ulu% &undaG%e%" De'are)e ntre )uE%net % l')ul&undaG%e% apar e&'rtur% de nt%ndere ete ne)ear an)'rarea a)etu%a">'rGa de nt%ndere a &% reEultanta e&'rtur%l'r de nt%ndere % a &% e$al )u 17"07 +,

!H 2

)m57"0300000

07"17

M

;A ===

!He 'r d%pune pe )'ntur are ?C52 N10 la 25 )m d%tanG"

e) armarea cu!inetului:

ntre )uE%net % l')ul &undaG%e% 'm aea urmt'arele e&'rtur%:

( ) mp-+,75"3*4*"018"01

3158

e61

A

,p

m =

=

=

( ) mp-+,25"7500*"018"01

3158

e61

A

,p

=+

=

+=

( ) mp-+,13"217145"018"01

3158

B

e61

A

,p BB

m =

=

=

( ) mp-+,88"572345"018"01

3158

B

e61

A

,p BB

=+

=

+=

K#B(#l(B3L#p2p(

#pp(

32

1

32

m

2

m

9

++

= pe d%re)G%a

#B2(#B(

#p2p(

#pp(

32

1

2

B

m

B

2B

B

m

< +

+

+= pe d%re)G%a B

!0"35 m l!0"45 m

4


5/15

!H9!123 +,m

!HB9!0"23* B

f) calcul tasri:;erenul de u &undaG%e e mparte n tratur% elementare )u nlG%mea de 0"5 m

pn la adn)%mea la )areE%O0"2$E%" ;aarea t'tal a &undaG%e% a &%:

=

n

1 t%

%E%

8"0 relaG%e n )are E%!0%pP %ar pP!pQD& !H

mp-+,35"33*25"1835"378p ==

++=1%

1%%JJ&$E% 5"0#(D

Strat " i i #i !i g!i !i$g!i g!i%"i$#i

Strat 1 0"50 1*"00 1"12 21000 380"07 41"75 *"104 0"00*04*Strat 2 0"50 1*"00 1"04 21000 352"*2 51"25 6"886 0"008403Strat 3 0"50 18"50 0"86 22000 2*1"84 60"63 4"814 0"006633

Strat 4 0"50 18"50 0"66 22000 223"*7 6*"88 3"205 0"0050*0Strat 5 0"50 18"50 0"51 22000 173"07 7*"13 2"187 0"003*33Strat 6 0"50 18"50 0"40 22000 135"74 88"38 1"536 0"003085Strat 7 0"50 18"50 0"36 22000 122"17 *7"63 1"251 0"002777Strat 8 0"50 18"50 0"33 22000 111"** 106"88 1"048 0"002545Strat * 0"50 18"50 0"21 22000 71"26 116"13 0"614 0"001620

Strat 10 0"50 18"50 0"18 22000 61"08 125"38 0"487 0"001388Strat 11 0"50 18"50 0"15 22000 50"*0 134"63 0"378 0"001157Strat 12 0"50 18"50 0"13 22000 44"12 143"88 0"307 0"001003

Strat 13 0"50 18"50 0"12 22000 40"72 153"13 0"266 0"000*26Strat 14 0"50 18"50 0"11 22000 37"33 162"38 0"230 0"000848Strat 15 0"50 18"50 0"10 22000 33"*4 171"63 0"1*8 0"000771

=s= 0"04

!H!4 )m !Ha aea ' al'are ma% m%) de)t taarea adm%%%l (8 )m#

2) Fundaie elastic stlp marginal S&:

a) ncrcri n gruparea special:

5


6/15

,!2037 +, 9!305"5 +,m (# ;9!101"8 +, (;#

b) predimensionare:

>%$" 5: ?red%men%'nare &undat%e elat%)a talp mar$%nal S3

!200

!50=

!80D

&!120

B!1*0

S3 3030 S3 3030

c) verificarea presiunilor pe talpa fundaiei:

@er%&%)area e a &a)e )u p)r%t%)n $ruparea pe)%al"n)r)r%le 'r &% )ele d%n &%$ura 6:

>%$" 6: n)ar)ar% &undat%e ela(t%)a (talp mar$%nal S3

A

D

,

B

A

D

,

EE


7/15

Determ%narea )apa)%tG%% p'rtante a terenulu%:)))RRR)r

%,)%,R%,Bp ++= m)-+,65"18=

m76"1e2BBB== m64"1e2

==

8"0@;05"2*"0% == 571"0

B4"01 ==

44"0, = 3"222"158"18DR & ===

m)-+,58"182"1

7"01*5"018 =+= 4"5,R =

33"1

B3"01

)R =

+== 88"0@

;7"1*5"0%%

)R ===

)!30 28"13,) =!Hp)r!615"25 +,-mp!H )re& p*"0p %$" 11: ?red%men(%'nare &undat%e ela(t%)a e9e)entr%)a (talp mar$%nal S4

B!260

!50

=!80D

&!

120

S4 4030 S4 4030

!140

c) verificarea presiunilor pe talpa fundaiei:

@er%&%)area e a &a)e )u p)r%t%)n $ruparea pe)%al"

n)r)r%le 'r &% )ele d%n &%$ura 6:

A

D

,;

B

A

D

,;B

E

%$" 12: n)ar)ar% &undat%e ela(t%)a e9e)entr%)a (talp mar$%nal S4

S4 4030 S4 4030

E

+,64=Bmed==

!H@!2101 +,S)ema tat%) de )al)ul a $r%nE%% de )'ntraalanare a &% urmt'area:

>%$" 13: S)ema tat%)a % d%a$rama de m'ment a $r%nE%% de )'ntraalanare

,1

M1

,2

,1e

e

M2

r%m%le d%n &%$ur 'r aea urmt'arele al'r%:,1!2037 +,. e!0"4 m (d%tanGa de la m%Fl')ul aEe% &undaG%e% la m%Fl')ul tlpulu%

13


14/15

,2!3158 +,. !6"8 m!HM1!2157 +,!HM2!3038 +,?re%unea pe talpa &undaG%e% pe d%re)G%a a &% )'ntant % a aea al'area:

21

m-+,6"5*2B

M

p ==

+,m52"14272"408"101=;BB

=+=+= !H 07"0@

e

B ==

Determ%narea )apa)%tG%% p'rtante a terenulu%:)))RRR)r

%,)%,R%,Bp ++= m)-+,65"18=

m46"2e2BBB== m4"1 ==

8"0@

;05"2*"0% ==

3"0

B4"01 =

=

44"0, = 3"222"158"18DR & ===m)-+,58"18

2"1

7"01*5"018 =+= 4"5,R =

53"1

B3"01

)R =

+== 87"0@

;7"1*5"0%%

)R ===

)!30 28"13,) =!Hp)r!6*5"67 +,-mp!H )re& p*"01"6266"5*2p =

6"413

M

B

)

2

B0

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