6.1.1 Reinforcement is indicated on construction drawings with a code - NSC Civil Technology Construction - Question 6 - 2019 - Paper 1
Question 6
6.1.1 Reinforcement is indicated on construction drawings with a code. What does 20 indicate in the following code: 4 R 20 03 250?
6.1.2 Pile foundations consist of... show full transcript
Worked Solution & Example Answer:6.1.1 Reinforcement is indicated on construction drawings with a code - NSC Civil Technology Construction - Question 6 - 2019 - Paper 1
Step 1
Reinforcement is indicated on construction drawings with a code. What does 20 indicate in the following code: 4 R 20 03 250?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
In construction drawings, the code '20' refers to the diameter of the bar used in the reinforcement. Therefore, the correct option is C.
Step 2
Pile foundations consist of ...
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Pile foundations can be comprised of several types, including precast piles, steel-tube piles, and driven in-situ piles. The most comprehensive answer is D: All the above-mentioned.
Step 3
What type of foundation will be used in unstable ground?
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
In unstable ground conditions, the most suitable type of foundation is generally a C: Pile foundation. This foundation type provides deeper support to stabilize the structure.
Step 4
A concrete floor is classified as a reinforced floor when it consists of ...
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A reinforced concrete floor consists of concrete and anchor bars, as well as main bars and additional components including concrete mesh and welded mesh. Therefore, the answer is C: All the above-mentioned.
Step 5
Precast concrete piles are driven into the ground by a ... hammer.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Precast concrete piles are typically driven into the ground by a A: drop hammer, which utilizes a heavy weight to embed the piles securely.
