What is the minimum grade of concrete in sea-water or which is exposed directly along the sea-coast in the case of plain concrete as per IS code 456-2000?
This question was previously asked in
Gujarat Engineering Service 2017 Official Paper (Engineering Aptitude)
- M30
- M20
- M40
- M15
Answer (Detailed Solution Below)
Option 2 : M20
Crack with
India's Super Teachers
FREE
Demo Classes Available*
Explore Supercoaching For FREE
![[Solved] What is the minimum grade of concrete in sea-water or which (1)](https://i0.wp.com/cdn.testbook.com/qb_resources/qna-banner-illustration.svg "[Solved] What is the minimum grade of concrete in sea-water or which (1)")
Free Tests
Free
Gujarat Engineering Service 2019 Official Paper (Civil Part 1)
3.5 K Users
150 Questions 150 Marks 90 Mins
Detailed Solution
Download Solution PDFConcrete in Sea-water (as per IS 456: 2000)
Concrete in sea-water or exposed directly along the sea-coast shall be at least M 20 Grade in the case of plain concrete and M 30 in case of reinforced concrete. The use of slag or pozzolana cement is advantageous under such conditions.
Exposure | Minimum grade of Plain Concrete | Minimum grade of reinforced concrete |
Mild | - | M20 |
Moderate | M15 | M25 |
Severe | M20 | M30 |
Very severe | M20 | M35 |
Extreme | M25 | M40 |
Latest GPSC Engineering Services Updates
Last updated on Sep 21, 2023
GPSC Engineering Services Mains Exam Date Out for 2022-23 cycle. The Mains exam will be held on 3rd, 5th, and 7th October 2023. Earlier, the Prelimsexam was conducted on 22nd January 2023 The Gujarat Public Service Commission (GPSC) released thenotification for the GPSC Engineering Services Recruitment 2022. The commissionreleased 28 vacancies for the recruitment process. Candidates appliedfrom 15th October2022 to 1st November 2022 and their selection will be based on their performance in the Prelims, Mainsand Interview rounds. Candidates with a Graduation degree as the basic GPSC Engineering Services Eligibility Criteriawere eligible to appear for the recruitment process. The finally selected candidates will get a salary range between Rs. 53100 to Rs. 208700. Candidates must gothrough the GPSC Engineering Services previous year papers.
India’s #1 Learning Platform
Start Complete Exam Preparation
![[Solved] What is the minimum grade of concrete in sea-water or which (2)](https://i0.wp.com/cdn.testbook.com/qb_resources/daily-live-master-classes.svg "[Solved] What is the minimum grade of concrete in sea-water or which (2)")
Daily Live MasterClasses
![[Solved] What is the minimum grade of concrete in sea-water or which (3)](https://i0.wp.com/cdn.testbook.com/qb_resources/practice-question-bank.svg "[Solved] What is the minimum grade of concrete in sea-water or which (3)")
Practice Question Bank
![[Solved] What is the minimum grade of concrete in sea-water or which (4)](https://i0.wp.com/cdn.testbook.com/qb_resources/mock-tests-quizzes.svg "[Solved] What is the minimum grade of concrete in sea-water or which (4)")
Mock Tests & Quizzes
Trusted by 5 Crore+ Students
![[Solved] What is the minimum grade of concrete in sea-water or which (2024)](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/h8AAvMB+NzmkbcAAAAASUVORK5CYII=)