concrete mix design viva questions

Carl Joyce April 08, 2022 concrete , design , questions Comment

Good concrete can be obtained by using a wide variety of mix proportions if proper mix design procedures are used. What is Segregation of concrete.

20 Civil Engineering Standard Datas Interview Questions Grade Of Concrete Concrete Mix Design Civil Engineering

Option d can be eliminated easily because.

. What are the Factors affecting Strength of Hardened concrete. A concrete mix is a combination of five major elements in various proportions. Invariably there are many answers to this question.

Questions 439 Publications. Wc 045 and water content for mix 1974 kgm 3. F t f ck 165 S where S is the standard deviation obtained from the Table of approximate contents given after the design mix.

Constructing a flawless concrete slab doesnt require knowing all the secrets of the universe but it helps if you have some basic understanding. Additional elements such as pozzolanic materials and chemical admixtures can also be incorporated into the mix to give it certain desirable properties. Size of Concrete Cubes.

Gives You Best Concrete that is of the right quality. A contactor has poured a 5 thick concrete slab. A list of the top 175 civil engineering interview questions pdf and answers to ensure your next interview is a success.

620 x 0400 248 Lbs of water. Aside from the above mentioned benefits Concrete mix design proves to provide a better quality but does so in the best economical way. Abs Volume 667 315 X 624 Cement 667 315 339-Total Cementious 667 Miller Stone 1590 26 980 Evert Sand 1242 265 751 Water 300 1 481 1590 260 X 624 1242 265 X 624 481 Air 55 1485 Total 3799 2700 w cm 045 Unit Wt.

The continuous strain which the concrete undergoes due to application of external loads is called. Write notes on steam curing. Concrete Technology Multiple Choice Questions on Mix Design for Pumpable Concrete.

Determine the mean target strength ft from the specified characteristic compressive strength at 28-day fck and the level of quality control. 1 Exam Prep Design and Control of Concrete Mixtures 1. Makes Best Use Of Available Materials.

Concrete mix design viva questions Often you want an authentic and simultaneously a simple nail designThe optimal Option is the designs in the nails with hearts. A minimum cement content of 6 bags per cubic yard of concrete A maximum water content of 6 gallons per bag of cement. Concrete Technology LAB VIVA Questions - 1.

The _____ compressive strength required from structural consideration. Where S standard deviation in Nmm 2 4 as per table -1 of IS 10262- 2009. 250 Concrete Technology Interview Questions and Answers Question1.

Differentiate dry process and wet process of manufacturing cement. Volume aggregate in total volume of concrete 1 4387 315 x 1000 19741000 0664 m 3. Equipment used to test Compressive Strength of Concrete.

List out various tests on Cement. Concrete Technology Multiple Choice Questions on Concept of Concrete Mix Design. Dry rodded unit weight is sometimes called bulk or loose unit weight.

List out various tests on Fine Aggregate. Concrete Technology and Design of Concrete Structures Objective Questions. This set of Concrete Technology Multiple Choice Questions Answers MCQs focuses on Mix Design.

Basic Concrete Mix Design Materials Pounds of material SG. 1 Exam Prep Design and Control of Concrete Mixtures Questions. The developments in the field of concrete mix design gave compressive strength ranging between _____ a 30-70 b 70-100 c 35-45 d 30-80 Answer.

It may be a multicolored scattering of small drawings or only one coronary heart to the accent in the finger. Advantages Of Concrete Mix Design. The separation of water or water-cement mixture from the freshly mixed concrete is known as bleeding.

The __________ compressive strength required from structural consideration. Ensures the desired Concrete Properties are maintained. In this case standard deviation is taken from IS456 against M 20 is 40.

Weight of coarse aggregate. Prestressed Concrete Structures Multiple Choice Questions on High Strength Concrete. What are recommended mix proportions for good concrete.

Option d can be eliminated easily because we need atleast some compressive strength. What is the standard wc value for nominal mix of concrete. 14072 Basic Concrete Mix Design Materials Pounds of.

Example 4 Determine wc given a mix design with 32 gallons of water and 517 Lbs of cement per yd. Cement water coarse aggregates fine aggregates ie. Dry Rodded Unit Weight.

Write the Factors Influencing Consistency. Water weight 32 gal x 833 267 Lbs wc 267 517 0516. Procedure for Concrete Mix Design of M25 Concrete Step 1 Determination Of Target Strength Himsworth constant for 5 risk factor is 165.

In this group we strongly appreciate your new ideas to be submitted for mix designs of the concrete QC of the concrete implementation of the concrete and so on. What are all the types of cement. What are all the raw materials of the cement.

Here are several common questions. IS code for Specification for ordinary Portland cement 33 grade. A Nominal b Minimum c Maximum d No Answer.

In counterfort type retaining walls i the vertical slab is designed as a continuous slab ii the heel slab is designed as a continuous slab iii the vertical slab is designed as a cantilever iv the heel slab is designed as a cantilever The correct answer is a i and ii. F target f ck 165 x S 25 165 x 40 316 Nmm 2. Procedure for Concrete Mix Design as per IS 456.

How do you measure the volume of concrete. Define batching what are all the methods of batching. MIX DESIGN Part- A 1.

As per my experience good interviewers hardly plan to ask any particular questions during your Job interview and these model questions are asked in the online technical test and interview of many IT Non IT Industries. What are the factors influencing the selection of materials. A IS 2691989 b IS 383197 c IS 4551989 d IS 4562000 Answer.

What are the sequence of steps should be followed in ACI method. IS 2691989 code is for specification for ordinary Portland cement of 33 grade. What are some best practices when it comes to concrete slab construction.

A good general rule to use is the rule of 6s. Cement content for mix 1974045 4387 kgm 3. List out various sizes of Coarse Aggregate used in Concrete.

These Concrete Technology LAB VIVA Questions are very important for campus placement test and job interviews. Concrete technology viva questions. The recommended maximum slump used for concrete pavement is.

Why Concrete Cover is provided for reinforcement. Define concrete mix design. Concrete Mix Design Viva Questions.

While a concrete mix design is a process of selecting ingredients.

Top 250 Concrete Technology Interview Questions And Answers 06 April 2022 Concrete Technology Interview Questions Wisdom Jobs India