Proportioning of Concrete Mix - Methods of Concrete Proportioning

Proportioning of Concrete Ingredients

The main ingredients of concrete are cement, fine aggregates, coarse aggregate, and water. The mix of each quantity in correct proportions will give a quality and best concrete mix. "An ideal concrete is that concrete mix with greater strength and solidity at the least cost"

Quantity estimation of the concrete mix has to be carried out by keeping in mind that the voids that are formed by coarse aggregates are filled by the fine aggregates. And the voids of fine aggregates are filled with cement.


Admixture of Cement and Concrete- Types of Admixtures - Mechanism of Admixtures in Concrete


The admixtures are ingredients that are added to concrete other than cement, water, and aggregate to obtain a specific property that is added immediately before or after mixing. A properly designed concrete mix should be workable, finishable, strong, water tight, durable and wear resistant. To some extend these properties can be obtained without the help of admixtures. 


Concrete Mix Design

What is Concrete Mix Design???

The procedure of determining optimum properties of various ingredients composing a concrete, which would finally yield required workability and specified characteristic strength and durability is called ass Concrete Mix Design. The concrete is a composite material, which composes a number of ingredients. Its production is a set of operations.


What is Cement Concrete??

What is Cement Concrete?

Concrete can be defined as a composite hardened product that is obtained by the setting of a mixture of cement, aggregates, and water in standard specified proportions. The individual materials when mixed together forms a plastic mixture, which can be mold to any shape. Later, within a specified time period into hardens. 


Civil Structural Engineering Seminar Topic 2017 - Latest Civil Engineering Seminar topics


The respective Topics and area to be focused are clearly mentioned.

  • Unbonded Pretensioned Columns 

  1. To study the effect and importance in Seismic Region
  2. To study its significance in Accelerated Bridge Construction (ABC)
  3. Structural Details
  4. Advantages and Disadvantages
  5. Application

  • Accelerated Bridge Construction (ABC)
  1.  What is ABC?
  2. The significance and need for ABC
  3. Difference of ABC from Conventional Bridge Construction
  4. Construction Sequence of ABC
  5. Construction Materials used in ABC
  6. Construction Equipment Used in ABC
  7. Design and implementation details of ABC
  8. Time-Saving and Safety in ABC method of construction.
  9. Maintenance in ABC Construction

  • Outrigger Structural System -  Steel Bracing to Concrete Core

  1. What is Outrigger?
  2. Where is it Implemented
  3. Structural Action of Outrigger structures
  4. Real-time Outrigger structures
  5. Connection details of outrigger
  6. The difference from other lateral bracing systems? (Like diagrid, normal bracing ..etc)
  • Capacity Spectrum Analysis
  1. What is capacity Spectrum Analysis?
  2. CSM as a performance-based seismic analysis method
  3. Significance and ease of working with CSM
  4. Performance Point in CSM
  5. CSM is a Non- Linear static Analysis Method
  6. Advantage over Time history analysis
  7. Applications
  8. Case Studies

  • Fire Resistance of Structures

  1. Resistance measurement in structures
  2. Standard codes followed
  3. Temperature resistance of concrete, steel or structural members used in construction
  4. Case study of fire resistance on an existing building based on a standard journal
  5. Effect of concrete mix, the bar diameter, cover influencing the performance of the structure.

  • CFST Columns

  1. What are CFST Columns?
  2. Variation with steel sections and material infill
  3. Advantages over normal concrete columns
  4. Case study review based on finite element analysis carried out can help the seminar.
  5. New innovation in CFST columns

  • Bubble Structure

  1. What are Bubble structures?
  2. The material composition of Bubble?
  3. The material significance, durability and load action

  • Demolition of structures

  1. What is demolishing and its need?
  2. How is blasting done?
  3. Planning Behind the same?

  • Soft Storey Construction

  1. What is soft -storey?
  2. What is the influence of soft storey in seismic region?
  3. Effect of seismic pounding in a soft storey.
  4. Remedies for the soft storey.
  5. Alternatives for soft storey
  • Seismic Pounding Remedies
  1. What is Seismic Pounding
  2. The influence of seismic pounding 
  3. The effect of seismic Pounding towards soft storey
  4. The effect of different lateral bracing systems towards seismic pounding
  5. The effect of damping towards seismic Pounding.
  6. Case study on seismic pounding effects on high rise building
  7. Conclusion on a comparison of remedies based on the deflection , base shear, and acceleration value.
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Civil Engineers 2017 Salary and Specialization - Payment in Civil Construction Field

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Determination of Static Indeterminacy - Easy Steps!!!


We have in detail dealt about Static Indeterminacy and its related terminologies. Now we will discuss how to find out the static indeterminacy of the structures that are a plane, or in space or pin jointed.In the case of a structure that is having static indeterminacies, it is essential to bring extra compatibility conditions so that additional equations can be derived in order to solve for unknowns that are greater than 3 ( Greater than a number of equilibrium equations).

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