3D Animation a Reinforced Foundation and Column

Civil engineering 3D Animation of a reinforced concrete structure (2 of 3) It shows the chronological order of the construction phase of a foundation and column. Done as part of a Final Year Project in NUIGalway. Created using AutoCAD, SketchUp & V-Ray

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Methods of Concrete Foundation Waterproofing As Recommended By Specialists

Devastating effects as well as the use of long man hours can be the result of water that seeps in through concrete so that it could be repaired and the flaw be corrected. The poor construction of the drainage systems around the foundation usually causes this to happen. Or it can also be because of condensation or water trapped in between the building, inferior construction methods and grading systems and lack of proper concrete foundation waterproofing methods. Waterproofing of concrete foundation makes sure that the water or moisture does not seep in through the concrete of the foundation after the construction is done. Cement, which is the paste that holds the concrete together, has different types and also have different reactions when water is mixed with it. There are various common methods that are advocated by professional construction workers and civil engineers that waterproofs concrete foundations. The most basic and commonly used method is the application of the liquid membranes. The liquid that settles into a substance that is like rubber on top of the concrete will cover all the gaps that might have been left out while the concrete was in the process of settling.

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How To Determine Preliminary Type Of Foundation Without Soil Investigation (Civil Engineering)?

One of important item need to be done before constructing the building structural is the structural foundation. The type of building foundation are raft foundation, footing foundation, piling foundation. Normally before construct a building, we need to check soil condition for that building. It can be done by carried out soil investigation(SI). The analysis of SI report can be used for determine type of foundation.

As a consulting engineer, it will be often that engineer need to prepare RC drawings for client. Client need it for quantities purpose. Normally, SI will carry out at the later stage i.e. after the earthworks completion.

As a result, how do consulting engineer to carry out preliminary selection of foundation?

Preliminary selection of foundation can be based on the earthworks drawings. A simple way is refering to the cut and fill area in earthworks drawings. Where cut area will select as pad foundation and fill area will select as pile foundation. When fill area is less than 1.2m, it still can be used as footing foundation because footing need a certain depth for construct.

Another method of determination is by on site excavation, engineer need to go to site to witness the ground condition. Engineer can observe how the excavator excavate earths. Will the excavator can easy remove the soil. Will soil is loose at vertical sides of excavation hole. If the answer is YES, then ground is soft. It can be recommended to use pile foundation else pad foundation can be recommended.

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Mod-1 Lec-2 Shallow Foundation

Lecture Series on Foundation Engineering by Dr.NKSamadhiya, Department of Civil Engineering, IIT Roorkee. For more details on NPTEL visit nptel.iitm.ac.in



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