“Solution for stable edges of excavation

by pre-stressed ground anchor”

A little know about:

CONTENTS

PART 1. INTRODUCE ABOUT GROUND ANCHOR TECHNOLOGY.

PART 2. TYPES OF WALLS COMBINED WITH PRE-STRESSED GROUND ANCHOR.

2-1. I – SHAPED STEEL PILE WITH WOOD SHEET WALLS.

1-2. STRUCTURE OF PRE-STRESSED GROUND ANCHOR1-1. WHAT IS GROUND ANCHOR?

2-2. STEEL SHEET PILE WALLS 2-3. CONCRETED PILE WALLS2-4. SECANT PILE WALLS2-5. CONCRETED SHEET PILE WALLS

(ALL COMBINATED WITH PRE-STRESSED GROUND ANCHOR)

PART 1. INTRODUCE ABOUT GROUND ANCHOR TECHNOLOGY

1-1. WHAT IS GROUND ANCHOR SYSTEM?“Ground anchor is a structural elements installed in soil or rock that is used to transmit a applied tension load in to ground”

“Ground anchors and anchored systems”

1-2. STRUCTURE OF PRE-STRESSED GROUND ANCHOR:“The basic components of grouted ground anchor include the: (1) anchorage; (2) free stressed (unbond) length; (3) bond length”

PART 1. INTRODUCE ABOUT GROUND ANCHOR TECHNOLOGY

2-1. I – SHAPED STEEL PILE WITH WOOD SHEET WALLS.

PART 2. TYPES OF WALLS COMBINED WITH PRE-STRESSED GROUND ANCHOR.

2-1. I – SHAPED STEEL PILE WITH WOOD SHEET WALLS.

INCLUDED 3 COMPONENTS:1. I – SHAPED STEEL PILE CARRING HORIZONAL

LOAD FROM SOIL2. WOOD SHEET BEARING LOAD AND

CONTRIBUTED LOAD TO STEEL PILE.

3. PRE-STRESSED ANCHOR SYSTEM

2-2. STEEL SHEET PILE WALLS

PART 2. TYPES OF WALLS COMBINED WITH PRE-STRESSED GROUND ANCHOR.

2-2. STEEL SHEET PILE WALLS BASIC COMPONENTS:

Anchor system

Breasting beam

Steel sheet pile

2-3. CONCRETED PILE WALLS

PART 2. TYPES OF WALLS COMBINED WITH PRE-STRESSED GROUND ANCHOR.

2-3. CONCRETED PILE WALLSBASIC COMPONENTS : (THE SEEM AS STEEL SHEET PILE WALLS BY REPLACING STEEL SHEETS BY CONCRETE PILES)

Concrete pile

Anchor system

Breasting beam

Bottom of excavation

2-4. SECANT PILE WALLS

PART 2. TYPES OF WALLS COMBINED WITH PRE-STRESSED GROUND ANCHOR.

2-4. SECANT PILE WALLSBASIC COMPONENTS : (THE SEEM AS STEEL SHEET PILE WALLS BY REPLACING STEEL SHEETS BY SECANT PILES)

PART 2. TYPES OF WALLS COMBINED WITH PRE-STRESSED GROUND ANCHOR.

2-5. CONCRETED SHEET PILE WALLS

2-5. CONCRETED SHEET PILE WALLSBASIC COMPONENTS : (THE SEEM AS STEEL SHEET PILE WALLS BY REPLACING STEEL SHEETS BY CONCRETED SHEET PILES)

PART 3: References.1. BSi-BS 8081:1989

2. Eurocode 7: Geotechnical design - BS EN 1997-1:2004

3. Geotechnical Engineering Circular No. 4 – Ground Anchor and Anchored system