Assigment: Retaining Wall

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  • Topic: Retaining wall, The Wall, Lateral earth pressure
  • Pages : 9 (2660 words )
  • Download(s) : 431
  • Published : February 27, 2013
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Introduction
i- Rezzen Realty Sdn Bhd has appointed to manage a piece of land with size of 50 acres, into a mixed development project at Sepang. I have been requested to incorporate green concepts design and sustainable features from inception and completion into the whole project. The whole of the project divided into three (3) phases, span over 5 years. The first phase is to a proposal to construct a high rise luxury condominium project on the hilly slope. I have been requested to look into selection of suitable retaining wall system for this project.

In this assignment, I will:
1. Discuss the importance of retaining wall and construction methods 2. Illustrate and briefly elaborate the design concept of retaining wall and preventive measures to mitigate functional failures 3. Evaluate the types of retaining wall available and justify which one is the most suitable for the hilly project

The Importance of Retaining Wall
The Retaining wall is a stabilizing structure that used to hold sloping ground in place. However, it is to prevent the erosion and the movement of soil. Beside that a retaining wall is a structure designed and constructed to resist the lateral pressure of soil when there is a desired change in elevation that exceed the angle of repose of the soil. To accommodate and redistribute lateral pressure caused be sloping so that the retaining wall must be firm and substantial in structure. Allow to collect ground water to escape so it normally will design with seepage hole. To keep the retaining wall stable so it has to releases the additional pressure that created by the accumulated water.

There are several types of materials that can be used to construct a retaining wall such as stone and concrete. These two materials are the most common materials used in constructing a retaining wall. Besides that, light concrete and aggregate materials used to make special retaining walls which are designed purposely for this. Building became much simpler, making some styles interconnected; low cost and less time are required since each block fits securely to the next block. Additions of mortar to the blocks are not required because these blocks are fit securely to each other. The Importance of Retaining Wall Is Stated Below:

The Importance of Retaining Wall
The Importance of Retaining Wall

Hold Back the Earth
Hold Back the Earth

Retaining Wall Keep the Ground from Washing Away
Retaining Wall Keep the Ground from Washing Away

Retaining Wall Give More Usable Land
Retaining Wall Give More Usable Land

Retaining Walls Hold Back the Earth
Some of the project might need to construct a house on a hill or in a valley between several hills. This is where retaining wall comes in useful. It helps to prevent earth from falling into the house when the hillside has been dug out to build the house. To construct a home in between hill and valley, you will need to dig holes. Dirt keeps on fall back in from the sides of the walls after each full shovel. The sides will crumble at the slightest provocation as the sides become loose and weak after shovelling. After digging at the side of the hill, the remains need to go somewhere. If the remains are left alone, it will tumble down eventually. A retaining wall will help to ensure your safety in this case. Retaining Walls Give You More Usable Land

You may have great plans for your land, such as installing a pool, a walk-out basement, a playground, a garden full of flowers, a tennis court or even a patio. If your land is a rolling land or a hilly land, you will need to level off the ground before beginning any work. Then, you will be left with a sort of cliff where the lower flat land is lower than the part of land that is not dug out. Therefore, adding a retaining wall will add structure and beauty to your new area other than giving you more usable land. Hence, if you install a pool, the retaining wall can be used as a place to hold pool equipment, as...
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