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What is a raft foundation?
1. Excavation of the soil up to required depth.2. Ramming the foundation bed.3. Cutting the concrete over the reinforcement.4. Laying the reinforcement over the the foundation bed.5. Pouring the cement concrete over the reinforcement.
What is result of more reinforcements used in structure?
The structure is called a over reinforced concrete or structure. The structure can fail without warning. Discuss why managers she would always t ry to use positive reinforcement instead of negative reinforcement
What is the effect of hydration on strength of a concrete?
Excess water (over hydration) causes weak concrete. The water in concrete is there to start a chemical process which results in the hardening process. The excess water is not used in the chemical process and results in a weakened concrete.
Can you pour a concrete sidewalk over top of another existing concrete sidewalk?
No do to the concrete settling the concrete on top would split
Can you install vinyl flooring over concrete?
If the concrete is indoors, dry, and in good shape, yes.
Which reinforcement is safe under or over reinforcement?
Under reinforcement is safe because in this case steel fails before concrete.
How does rust affect the durability of concrete structures over time?
Rust can weaken the steel reinforcement inside concrete structures, leading to cracks and structural damage over time. This can compromise the durability and stability of the concrete structure.
What is a raft foundation?
1. Excavation of the soil up to required depth.2. Ramming the foundation bed.3. Cutting the concrete over the reinforcement.4. Laying the reinforcement over the the foundation bed.5. Pouring the cement concrete over the reinforcement.
How does salt water damage concrete?
Salt water can damage concrete by promoting the corrosion of the steel reinforcement within the concrete. When salt water penetrates the concrete, it reacts with the steel, causing it to rust and expand, which in turn causes the concrete to crack and weaken. Over time, this process can lead to degradation and structural failure of the concrete.
What is result of more reinforcements used in structure?
The structure is called a over reinforced concrete or structure. The structure can fail without warning. Discuss why managers she would always t ry to use positive reinforcement instead of negative reinforcement
What do you mean by honeycomb in concrete?
Honeycomb is a defect in the hardened cement concrete consisting of many air pockets or voids due to which concrete deteriorates by entrapment of moisture that causes corrosion of reinforcement bars resulting in failure of structural members over a period of time if not rectified at the earliest.
What is the effect of hydration on strength of a concrete?
Excess water (over hydration) causes weak concrete. The water in concrete is there to start a chemical process which results in the hardening process. The excess water is not used in the chemical process and results in a weakened concrete.
What is long term staining or spalling of concrete usually caused by?
Long-term staining or spalling of concrete is typically caused by exposure to chemicals, water infiltration, freeze-thaw cycles, or inadequate curing during construction. These factors can weaken the concrete, leading to surface deterioration over time. Regular maintenance and proper sealing can help prevent these issues.
What is the importance of a vapor barrier for a concrete slab?
A vapor barrier is important for a concrete slab because it helps prevent moisture from seeping through the slab, which can cause damage and deterioration over time. This barrier helps maintain the integrity and longevity of the concrete structure by reducing the risk of issues such as mold growth, corrosion of reinforcement, and warping of flooring materials.
How can water proof concrete be effectively utilized in construction projects to enhance durability and longevity?
Waterproof concrete can be effectively used in construction projects to improve durability and longevity by preventing water penetration, which can cause damage over time. This type of concrete can help protect structures from moisture-related issues such as corrosion of reinforcement bars and deterioration of the concrete itself. By using waterproof concrete, construction projects can have increased resistance to water damage, leading to a longer lifespan and reduced maintenance costs.
How do you cover brick with concrete?
POUR THE CONCRETE OVER THE BRICK
What effect does alkaline soil have on concrete?
Alkaline soil can increase the risk of concrete degradation through a process known as alkali-silica reaction (ASR). This reaction occurs when alkaline substances from the soil react with the silica in the concrete aggregates, causing the concrete to develop cracks and weaken over time. It is important to consider the soil conditions when designing concrete structures to prevent potential damage from ASR.
