PLAXİS PROGRAMI İLE GÜVENLİK ANALİZİ YAPILMASI.docx

8/13/2019 PLAXS PROGRAMI LE GVENLK ANALZ YAPILMASI.docx

1/16

PLAXS PROGRAMI LE GVENLK ANALZ YAPILMASI

Problem-2

Problemin bu ksmnda Kil Zeminin Krlma ayla(=34)Zemindavran incelenmitir.


2/16

PLAXIS 8.x Professional version 2

Table of Contents

1. General Information .......................................................................................................................................... 3

2. Geometry ........................................................................................................................................................... 4

3. Structures .......................................................................................................................................................... 5

4. Loads & boundary conditions ............................................................................................................................ 6

5. Mesh data .......................................................................................................................................................... 7

6. Material data ..................................................................................................................................................... 9

7. Calculation phases ........................................................................................................................................... 11


3/16


1. General Information

Table [1] Units Table [2] Model dimensions

Type Unit

Length

Force

Time

m

kN

day

Table [3] Model

Model Plane strain

Element 15-Noded

min. max.

X

Y

0,000

0,000

30,000

10,000


4/16


2. Geometry

Fig. 1 Plot of geometry model with significant nodes

Table [4] Table of significant nodes

Node no. x-coord. y-coord. Node no. x-coord. y-coord.

1

925

37

20

0,000

17,000

2,000

0,000

0,000

10,000

2,000

2,000

1749

1360

1057

30,000

30,000

19,000

10,000

0,000

10,000


5/16


6/16


Table [6] Beams

Plate no. Data set Length

[m]

Nodes

1 Lesson 1 - Footing 2,000 925, 1057.

4. Loads & boundary conditions

Fig. 4 Plot of geometry with loads & boundary conditions

Table [7] Node fixities

KL


7/16


Node

no.

Sign Horizontal Vertical Node

no.

Sign Horizontal Vertical

1 # Fixed Fixed 905 # Fixed Fixed





167 # Fixed Fixed 20 || Fixed Free







801 # Fixed Fixed

Table [8] Distributed loads A

Loads

no.

First node qx

[kN/m/m]

qy

[kN/m/m]

Last node qx

[kN/m/m]

qy

[kN/m/m]

1 925 0,000 0,000 1057 0,000 0,000

5. Mesh data


8/16


Fig. 5 Plot of the mesh with significant nodes

Table [9] Numbers, type of elements, integrations

Type Type of element Type of integration Total

no.

Soil 15-noded 12-point Gauss 206

Plate 5-node line 4-point Gauss 2


9/16


6. Material data

Fig. 6 Plot of geometry with material data sets

Table [10] Soil data sets parameters

Mohr-Coulomb 1

Lesson 1 - Sand

2

Lesson 2 - Clay

3

Lesson 6 - Deep

Sand

Type Drained Drained Drained

unsat [kN/m] 17,00 16,00 17,00

sat [kN/m] 20,00 18,00 21,00


10/16


11/16


No. Identification EA EI w Mp Np

[kN/m] [kNm/m] [kN/m/m] [-] [kNm/m] [kN/m]

1 Lesson 1 - Footing 7,6E6 24000,00 5,00 0,00 1E15 1E15

7. Calculation phases

Table [12] List of phases

Phase Ph-No. Start

phase

Calculation type Load input First step Last step

Initial phase 0 0 - 0 0

Gravity Loading 1 0 Plastic Total multipliers 1 2

Temel Ve Yk 2 1 Plastic Staged construction 3 12

GS 3 2 Phi/c reduction Incremental multipliers 13 112

Table [13] Staged construction info

Ph-No. Active clusters Inactive clusters Active beams Activegeotextiles

Active anchors

0 1.

2 1. 1.

Table [14] Control parameters 1

Ph-No. Additional steps Reset displacements

to zero

Ignore undrained

behaviour

Delete intermediate

steps

1

2

3

250

250

100

No

Yes

No

Yes

No

No

Yes

Yes

Yes


12/16


13/16


Ph-No. Displ. Load A Load B Weight Accel Time s-f

3 1,0000 1,0000 1,0000 1,0000 0,0000 0,0000 1,3795

Temel ve Yk Adm iin Toplam yerdeitirme Diyagramnn Glgelendirme ile

Gsterimi


14/16


Temel ve Yk Adm iin Toplam yerdeitirme Diyagramnn Oklar ile Gsterimi


15/16


Kil Zeminde Gvenlik Analizi Sonucu Zemin iin Gvenlik KatsaysnnBelirlendii Tablo

GS Yaklak Olarak=1,38 Bulunmutur.


16/16


Sonu Olarak ; lk Zemimiz Kum Olduundan Pik Noktas Yaparak Gerilme ekil deitirme

Erisi Mhendislik olarak Makul diyebileceimiz Zemin davran ortaya

Koymutur.

kinci Zeminimiz Kil olduundan Temel naat Dersinde grdmzzereKil Zemin davrannn Gelirme ekil deitirme erisi Dier parametreleri

gz nne Almadan Mhendislik Olarak Pek bir Anlam ifade Etmeyebilir

Dyagram zerindede Grdmz zere Gevrek Bir krlma Yaparak

Gme yapar.

PLAXİS PROGRAMI İLE GÜVENLİK ANALİZİ YAPILMASI.docx

Documents

Transcript of PLAXİS PROGRAMI İLE GÜVENLİK ANALİZİ YAPILMASI.docx