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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?
Answer
In the context of construction drawings, the number 20 in the code '4 R 20 03 250' refers to the diameter of the bar used for reinforcement. This is a standard coding practice to ensure that the specifications are clear to engineers and builders.
Step 2
Pile foundations consist of …
Answer
Pile foundations typically consist of various types of supports that can include precast piles, steel-tube piles, driven in-situ piles, or all of the above-mentioned types. Each type serves its purpose depending on soil conditions and load requirements.
Step 3
What type of foundation will be used in unstable ground?
Answer
In unstable ground conditions, a pile foundation is often used as it can extend deep into the stable soil and provide the necessary support for the structure. This type is effective in distributing loads away from unstable layers.
Step 4
A concrete floor is classified as a reinforced floor when it consists of …
Answer
A concrete floor is classified as a reinforced floor when it consists of concrete and anchor bars, along with concrete and main bars, or concrete with welded mesh. This ensures that the floor can withstand various loads and stresses without failure.
Step 5