624.041:691.327:691 -413-478

, ,

,

- " "

,

- " "

,

- " "

,

- " "

EN

CALCULATION AND EXPERIMENTAL ESTIMATION OF SHEAR STRENGTH OF HOLLOW CORE SLABS TAKING INTO ACCOUNT EUROPEAN STANDARDS REQUIREMENTS

, - , .

The results of computer finite-element (FE) modeling, calculations and experimental estimation of hollow core slabs shear capacity are presented in the paper. The research computation and experimental work was based on European standards requirements.

- - - , - - . - [1] - - () [2 -8 ] .

- , - [10, 11] - . , - - , - -, . - -, .

[10] "... , -, , - , - . - , , - .". , - ,

- - . - - , - , . - [9]. - -. - 1,2 .

[8], - - , - -, - [7] - . , - - . , - , - .

[11] , , - - , 2,5h 600 .

Kill HHU 1 ISSN 1S18 9792

- , - - 7 ys.

, , - - . - - , .

- [12]. - (Ansys, Abaqus) - , - - .

- , , , - .

, - - , - -

empxu wiittMMi

. 1.

( - ). - - , - . . 1.

- -. 1/4 . -, -, [13]. , - - , .

- 116 103 . - :

SOLID (Brick, Wedge) - ;

ROD , ( );

DOF SPRING , - ( ) - ;

RIGID - X, Y X, Y Z .

- . - - , , , , - .

- , DOF SPRING. ( - ) -. AT , 200 450 , - 10 70 .

- , [13]. - , - - - .

4 8 / ISSI 1111-1712 CIISTIICTIII SCIENCE ! EICIIEEIIIC (2111

\

X. [14] - ( ) , - -. [14] :

) ; ) ; ) . [12] -

, - . - .

- , - , -, , 5 %. . 2 - 4 , 1 - - ( , . 5) - 150 . . 6 - .

-- - [10,11].

" " - [1] 1,2

1

. 4. " "

| . 5.

[10, 11]. ( ) - 12 S1400, 3%7- - "", ,

ID 1:SolidY Normal Stress

1:Solid Z Normal Stress

1 :Solid YZ Shear Stress

1:Solid Max Prin Stress

2:Solid Y Normal Stress

2:Solid Z Normal Stress

2:Solid YZ Shear Stress

2:Solid Max Prin Stress

101672 15198.78 -2213085 140046.1 26191.5 -2386657 -4091317 796748.6 -319103.2

104911 -26442.63 -2347482 209689 -851.5643 -542845.2 -3953252 3042052 1260430

108092 75214.62 -2537734 444752.7 152772.1 -32410.52 -3020514 3300072 2096661

112514 -86208.93 -2145366 1335873 573355.1 -2544032 -1533044 2646049 658816.4

21 ISSI 1111-9792 \ 4 9

DESIGN CUBES

. 6.

. 7.

, - .

EN 1168 [11 ] , - - , - ( , fctko,/)' - :

BWf. I b j y )

sc(y) [ V < k >2 + e ~ \ ( ) } (1)

() = 1 ^Yc-y)(Yc-Ypt) , I

P t ( ' x )

. ( V c - y ) ;

() Sc(y)(Yc-Yp,)

/ + Cpt(y)

dp.a,) dx

(1) - (. 7), - (J = 35, , - VRdc -.

, - - , (0,5-1,0)dOT - 600 .

- :

S (2)

( =1,5) (0 = 1,0) - - 7,1 ( 2, 3).

2, 3, - - 4. - - .

, - 12 , -

2. ( = 1,5)

Ng

1 2 3 4 5 6 7 8

VM.0. 161.4 94.8 98.0 93.6 94.7 91.1 100.8 134.3 Fcalc< KH 174.3 101.5 105.0 100.2 101.4 97.5 108.1 144.7

VM.C, 138.5 83.8 84.1 81.4 83.4 78.9 86.1 111.0 Fcalc KH 149.3 89.5 89.8 86.9 89.1 84.2 92.0 119.2

3. { = 1,0)

1 2 3 4 5 6 7 8

242.9 142.7 147.2 141.0 142.4 136.7 151.4 193.8

Fcalc< KH 263.3 153.9 158.8 152.0 153.5 147.3 163.4 209.7

V c 208.2 125.9 126.5 122.3 125.4 118.6 129.5 149.9 Fcalc> 225.4 135.5 136.2 131.6 135.0 127.5 139.4 161.7

5 0 / ISS11111-971? tllSTIICIIII SCIENCE i EISIIEEIIIE P i l l

\

VRdc = 75,8 Fcalc = 88,8 , - VRdcull = 113,8 Fcaic,uit ~ 133,3 /0 = 4,1 .

, 1,2 [1] - , - - . - ().

( ) EN 1168 [11] :

, , - ;

- .

, - - , , . - - ; - - , , - 75 % , - .

[11] - , 600 . - 1186,0 - 7,2 , - 12,0 S1400 30/37. - - 100-150 , 100x100x400 , , - , - . 10 100 50 . - , - (. 8) 0,001 , . - - - , - -

, - .

200 , 100 - 10 , - 600 . [11] -- . - 1 70 % - -. 50 %, 75 %; - , 1 , 10 % - .

, - , - 12 , , 30-35 (. 9), . - , , - , . - - 5 % - 6 5 %,

. 8.

mil CTFIHTEIHtl ISH 1111-9792

/

. 9.

- .

- :

() , - ;

( ) - ;

- -- .

, - - 12 , - 19613 , 65 % , - 650 (. 10). - , , 75 % , , 5 . .

, , .

- 19617 , 65 % - , - (. . 106) , . - , , . , - , - 200 .

19612 - (. . 10), (. . ) , 65 % - .

( -) - , .

- , [11], , -, . - -

/ ISSI 1111-1792 C9ISTI9CTI9I SCIENCE i EISIIEEIII6 17111

\IIIPMbl

. 10. (, ) (, )

Fca)c. - , (3) - () 50 , - (200+5) . - , - , 3.1 EN 1992-1 [10], /^- fc, a fctk fct - : fctm = 0,30fc2/3 50 /^ . - fc.

, fa - (. 11) , - , 0,90.

150 fcm = 65 , 71 % 3 % 7 -

fcm = 38 , 3.1 [10], 5%- - ( 4) - - , , 3.1 [10].

fcm = 52,9 , 136 % . - - - , - - .

, - - -, - - . , - (6012S14OO) - MRd = 104,69 , - MR d= 130,84 . Ftest = 187,8 , VRdc= 160,3 ,

. 11. , ,

CIPIIIEHIU I ISSN 1111-1782 \ 5 3

4.

(

-

)

801

2S14

OO

,

2

/ 0

,

- -,

, W

VR

ac,

,

. uJ3

"5

LU

(

-

)

801

2S14

OO

,

2

|

b w

,

I VO ? .

.

.

,

,

/,

4

/ 0

,

0

, W

VR

ac,

Fcalc ^test.ult

. uJ3

"5

LU

17188-1 (1 .10 .2010 -26.10.2010)

5 0 / u /60 744 382 0,149 104.9 8,41108 7,1 831 759 472 180.5 195.0 151.5 0.77

17188-2 (1 .10 .2010-04.11.2010)

50/ /60 744 368 0,149 105.7 8,45x10

8 6,53 831 752 472 173.5 189.0 238.0 1.02

17189 (01 .10 .2010-27.10.2010)

5 0 / ^ /60 744 373 0 ,149 106.0 8,48x10 7,1 831 759 472 176.6 190.9 194.8 0.84

17190 (01 .10 .2010-29.10.2010)

5% 744 385 0,150 106.4 8,53x108 7,1 831 756 472 181.4 196.1 165.9 1.26

19613 (12 .11 .2010-24.11.2010)

4 7 558 (S1400)

382 0,149 104.9 8,41x10 4,1 835 783 480 161.6 187.1 187.8 1,003

= 96,2 , - .

1 -- - - -, .

2 , 35 , - - .

3 - , - 1.041.1 -4.08.

1. , . 1.041.1 -4.08. - Weiler Italia - , . 0, 1, 2 3 / / . : "", per. 485 24.12.2008.

2. . , : 15.901-91. : , 1992. 13 .

3. . : 1309-2002. : , 2002. 9 .

4. . : 1383-2003. : , 2003. 13 .

5. , : 1.03.02-96. . 01.11.1996. : , 1996. 24 .

6. , : 1.02.05-97. : , 1998. 25 .

7. : 5.03.01-02. . 01.07.03. : , 2003. 139 . 8. . .

, : 1 8829-94, 2006. . ., 1997. 26 . 9. . : EN 10138-3-2009/ (EN 10138-3:2000,

IDT). : , 2009. 10 . 10. . 1-1: : 2:

EN 1992-1-1:2009 (EN 1992-1-1:2004+:2008, IDT). : , 2010. 191 . 11. . : EN 1168-2005+2:2009, IDT. : , 2009. 66 . 12. , . . / . ., . . , . .. .: , 2000. 359 . 13. , . . -

/ . . , . . , . . / / 2010. 1(61). 46-50. 14. , X. -

. /X. . --, 1982. 351 .

08 .12 .2010 .

ISSN 1818-9792 0 S U 10 N SCIENCE & G i I G 17011