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Are you looking for jobs in concrete technology? Then get ready to find out the job opportunities at wisdom jobs site. We will provide you details about the course in concrete technology, interview tips etc. Concrete technology deals with the concrete making materials which is a mixture of paste and aggregate rocks. If the job seekers are interested to work in this field, they need to develop the knowledge on concrete production knowledge and uses of concrete as a modern material of construction. You have wide range of jobs as design engineer, senior design engineer, concrete finisher, concrete pump operators, concrete mixer driver and so on. Before you attend the interview, be specific about your job position, and the skills you require to the job position you are applying for. To get the job easy try to visit concrete technology job interview questions and answers at our page.
The measurement of materials for making concrete is known as batching. Methods of batching Volume batching Weigh batching.
This approach is widely used in precast concrete units.here the precast units are kept under warm and damp atmosphere of a steam chamber.
Non destructive testing is done on hardened concrete in non destructive testing methods soe properties of concrete are used to estimate strength durability ,elastic parameters,crack depth micro cracks and progressive deterioration of concrete.
Slump test compressive test split tensile strength
Cubic feet, Cubic yards, Cubic Meter
Soil reinforcement is the act of improving soil strength to enable it support or carry more load.
Two common examples are:
Aggregate is the component of a composite material used to resist compressive stress.
1967 began commercial operation on unit 1.
The force exerted to the Tacoma narrows bridge was initially the wind resistance. The wind resistance caused the whole bridge to act as a system with forced vibration with damping.
Alloying is not always done to produce a 'superior' material, but to produce materials having a desired requirement in the industry or elsewhere. A classic case is of lead solder (containing lead & tin), in which the melting point of the constituent elements are lowered, not necessarily a desirable property.
Alloying can be carried out using hot press method (a sheet of material is sandwiched with alloying material), rolling the heated base metal in a drum full of alloying metal powder, using hot spraying, galvanizing (dipping the base in a molten solution of alloying material) etc. Sometimes the alloying material is added in small proportions to the molten base metal (e.g., in production of different types of steel).
The Grand Coulee Dam is said to be the largest concrete dam. Currently the world's largest concrete dam is the Itaipu Dam, an accomplishment of two neighboring countries, Brazil and Paraguay in South America.
Though it is not finished yet, the Three Gorges (Sanda pong) Dam on the Yangtze River in China will take over as the largest upon its completion, which is slated for 2009.
These codes are the set of specifications to ensure the safety associated with any building construction. These codes are associated with the height, spacing, and installation of the building. These codes play an important role in vacating the building in case of any emergency situations.
From these interview questions, you will get an idea of the questions interviewer can ask you in the civil engineering position interview. Refer to some more sample questions here and revise all the answers carefully.
The major steps involved in the process of concreting are as follows:
Batching: The process of measurement of the different materials for the making of concrete is known as batching. batching is usually done in two ways: volume batching and weight batching. In case of volume batching the measurement is done in the form of volume whereas in the case of weight batching it is done by the weight.
Mixing: In order to create good concrete the mixing of the materials should be first done in dry condition and after it wet condition. The two general methods of mixing are: hand mixing and machine mixing.
Transportation and placing of concrete: Once the concrete mixture is created it must be transported to its final location. The concrete is placed on form works and should always be dropped on its final location as closely as possible.
Compaction of concrete: When concrete is placed it can have air bubbles entrapped in it which can lead to the reduction of the strength by 30%. In order to reduce the air bubbles the process of compaction is performed. Compaction is generally performed in two ways: by hand or by the use of vibrators.
Curing is the process of maintaining the moisture and temperature conditions for freshly deployed concrete. This is done for small duration of time to allow the hardening of concrete. The methods that are involved in saving the shrinkage of the concrete includes:
During the installation of bridge bearings the size of the upper plates is reduced to save the material costs. This process is known as preset. Generally the upper bearing plate comprises of the following components:
The bearing initially is placed right in the middle point of the upper bearing plate. No directional effects of irreversible movement is considered. But since the irreversible movement usually takes place in one direction only the displaced direction is placed away from the midpoint. In such cases the length of the upper plate is equal to the length of the length of the bearing + irreversible movement + 2 x reversible movement.
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