MEKANIKA TANAH IPERTEMUAN 1PENDAHULUAN

Oleh :Arwan Apriyono

PROGRAM STUDI TEKNIK SIPIL JURUSAN TEKNIK FAKULTAS SAINS DAN TEKNIK UNSOED

TAHUN 2011

INTRODUCTION

Air Tanah

Permeabilitas Tanah

Seepage/Rembesan

Tegangan Efektif

INTRODUCTION

INTRODUCTION

INTRODUCTION

INTRODUCTION

7

What is permeability?A measure of how easily a fluid (e.g.,

water) can pass through a porous medium (e.g., soils)

Loose soil- easy to flow

- high permeability

Dense soil- difficult to flow

- low permeability

water

INTRODUCTION

8

What is deference betweenPorosity and Permeability?

These two figures have the same porosity (same pore space).

In the figure to the right the pore channels are closed and the permeability is zero.

Illustration of pore and pore channels in a rock.

INTRODUCTION

INTRODUCTION

INTRODUCTION

Flow increasing. Dozers sent to fill hole at El. 5200. About 10.45 AM June 5, 1976.

INTRODUCTION

Early afternoon June 5, 1976

Late afternoon June 5, 1976.

INTRODUCTION

BAHAN KULIAH SETELAH MID TEST:

1. Pendahuluan & Air Tanah

2. Permeabilitas TanahGaris AliranHukum DarcyUji permeabilitas di laboratoriumUji permeabilitas di lapangan

3. Seepage/Rembesan :Flow NetSeepageTekanan RembesanKeamanan thd Piping

4. Tegangan Efektif

INTRODUCTION

Pertemuan 2

Pertemuan 4Pertemuan 5

Pertemuan 6

Pertemuan 1

Pertemuan 3