concrete mix design viva questions

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Concrete Technology Multiple Choice Questions on Mix Design for Pumpable Concrete. Total Volume 1845 ft.

Converstion Chart Civil Engineering Civil Engineering Construction Concrete Mix Design

Aside from the above mentioned benefits Concrete mix design proves to provide a better quality but does so in the best economical way.

. Procedure for Concrete Mix Design of M25 Concrete Step 1 Determination Of Target Strength Himsworth constant for 5 risk factor is 165. Of Cube samples required for testing Compressive Strength for 100 m3 of concrete. 1 minute Concrete mix design is the process of finding the proportions of concrete mix in terms of ratios of cement sand and coarse aggregates.

The intent of the 08 factor in Section 177121 of ACI 318-19. Constructing a flawless concrete slab doesnt require knowing all the secrets of the universe but it helps if you have some basic understanding. The recommended maximum slump used for concrete pavement is.

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. Invariably there are many answers to this question. UNIT IV FRESH AND HARDENED PROPERTIES OF CONCRETE.

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. Ad Complete Mix Design and Quality Control Software. UNIT V SPECIAL CONCRETE.

The _____ compressive strength required from structural consideration. Are 265 and 27 respectively. Air 5 x 27 ft.

The minimum compressive strength required from structural consideration. Mix Design Procedure in 8 Steps ACI MethodTables. IS 2691989 code is for specification for ordinary Portland cement of 33 grade.

These Concrete Technology LAB VIVA Questions are very important for campus placement test and. 3 135 ft. In this page you can learn various important reinforced concrete structure multiple choice questions and answers reinforced concrete structure objective question answerrcc interview question papersrcc structure design for mcq etc.

List out Shape Tests on Coarse Aggregate. Concrete Technology Multiple Choice Questions on Concept of Concrete Mix Design. For eg a concrete mix of proportions 124 means that cement fine and coarse aggregate are in the ratio 124 or the mix contains one part of cement two parts of fine aggregate and four parts of coarse aggregate.

Option d can be eliminated easily because we need atleast some compressive strength. Example 4 Determine wc given a mix design with 32 gallons of water and 517 Lbs of cement per yd. Data to be collected Design a concrete mix for construction of an elevated water tank.

A contactor has poured a 5 thick concrete slab. Advantages of Concrete Mix Design. Some find that preparing a few answers is a great way to build confidence beforehand.

In our example the total volume of all materials except sand is 1845 ft. IS code for Specification for ordinary Portland cement 33 grade. Dry rodded unit weight is sometimes called bulk or loose unit weight.

3 005 x 27 ft. The specific gravity of FA and CA. Dry Rodded Unit Weight.

What are all the raw materials of the cement. 3 in a cubic yard you can subtract 1845 from 27 to determine the. UNIT III PROPORTIONING OF CONCRETE MIX DESIGN.

Makes Best Use Of Available Materials. A Nominal b Minimum c Maximum d No Answer. Concrete technology viva questions.

620 x 0400 248 Lbs of water. 14072 Basic Concrete Mix Design Materials Pounds of. Define batching what are all the methods of batching.

Differentiate dry process and wet process of manufacturing cement. Designed to be an all in one reference the author includes a wealth information for the most popular types of testing. Ensures the desired Concrete Properties are maintained.

ACI Committees Membership and Staff have answered common questions on a variety of concrete related topics. What are all the types of cement. I have several questions regarding a Concrete Batch plant inspection Mix Design review and Types of concrete mixes.

Is 1600 kgm3 and. Concrete Technology and Design of Concrete Structures Objective Questions. Questions regarding Concrete Mix Designs Questions regarding Concrete Mix Designs rahseanj Structural OP 27 Aug 07 1038.

Aggregate Impact value of material A is 15 and that of B is 35. Concrete Technology Multiple Choice Questions on Mix Design. The properties of the resulting mixture in proportion to each component such as cement coarse aggregate fine aggregate water are required.

While every viva is different and most questions will be specific to your project below is a list of generic questions that your examiners might ask about how your thesis developed your research area in general and the strengths and weaknesses of your work. A good concrete should be subjected to creep. Here are several common questions.

A IS 2691989 b IS 383197 c IS 4551989 d IS 4562000 Answer. The continuous strain which the concrete undergoes due to application of external loads is called. Gives You Best Concrete that is of the right quality.

Two-way slabs design ACI 318 vs. Water weight 32 gal x 833 267 Lbs wc 267 517 0516. The __________ compressive strength required from structural consideration.

1Required ratios of each component. ANY of these words. 250 Concrete Technology Interview Questions and Answers Question1.

Dear Readers Welcome to Concrete Technology LAB VIVA Interview Questions and Answers have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of Concrete Technology LAB VIVA. UNIT I-TWO MARK QUESTIONS. In this case standard deviation is taken from IS456 against M 20 is 40.

Basic Concrete Mix Design Materials Pounds of material SG. Option d can be eliminated easily because we need atleast some compressive strength. The specified design strength of concrete is 30 MPa at 28 days measured on standard cylinders.

Which one is better for surface course. UNIT II - CHEMICAL AND MINERAL ADMIXTURES. Aggregates with good strength size specific gravity and free of organic material are used.

1 Exam Prep Design and Control of Concrete Mixtures 1. What are some best practices when it comes to concrete slab construction. Since there are 27 ft.

F target f ck 165 x S 25 165 x 40 316 Nmm 2. Advantages Of Concrete Mix Design. ALL of these words.

The dry rodded bulk density of CA. 1 Exam Prep Design and Control of Concrete Mixtures Questions. Simplified design for reinforced concrete buildings.

Write notes on steam curing. Where S standard deviation in Nmm 2 4 as per table -1 of IS 10262- 2009. You can download the PDF file below to access this question bank on the civil Engineering subject - CONCRETE TECHNOLOGY.

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