Asked By: George Henderson Date: created: Feb 05 2021

Is cured concrete toxic

Answered By: Jeffery Brooks Date: created: Feb 06 2021

2.2.

Toxicity of concrete with traditional and non-traditional raw materials.

Generally, long-term leaching from well-cured concrete produced with OPC and NA does not release detectable concentrations of toxic metals.

However, it was also found that poorly cured mixes may release detectable concentrations of V [30]..

Asked By: Steven Nelson Date: created: Feb 04 2021

What are the advantages of using concrete

Answered By: Andrew Kelly Date: created: Feb 04 2021

The Benefits of Concretethe lowest carbon footprint for a structure or pavement over its lifecycle.unparalleled strength, durability, longevity and resilience.maximized energy efficiency via thermal mass.durability in any environment.a building material that doesn’t burn, rust or rot.safety and security.More items…

Asked By: Carlos Morgan Date: created: Feb 16 2021

What can be used instead of concrete

Answered By: Alan King Date: created: Feb 17 2021

Concrete: Cement SubstitutesPulverised Fuel Ash (PFA), aka ‘Fly ash’ as a cement substitute. PFA is a by-product of coal-burning power stations. … Ground Granulated Blast-furnace Slag (GGBS) as a cement substitute. GGBS is a by-product of the iron and steel industry. … Silica fume. … Limestone fines. … Alternative fuels.

Asked By: Dennis Price Date: created: Apr 21 2022

What is a cement burn

Answered By: Raymond Harris Date: created: Apr 23 2022

It’s wet cement that can cause chemical burns on the skin. When water is added to cement, relatively harmless calcium oxide becomes calcium hydroxide, which has a pH of 12-14. … This slow-forming injury means that, by the time symptoms appear, many people no longer associate the injury with wet cement.

Asked By: Malcolm Rogers Date: created: Mar 17 2022

What disease can you get from concrete

Answered By: Matthew Smith Date: created: Mar 19 2022

Sanding, grinding, or cutting concrete can also release large amounts of dust containing high levels of crystalline silica. Prolonged or repeated exposure can lead to a disabling and often fatal lung disease called silicosis. Some studies also indicate a link between crystalline silica exposure and lung cancer.

Asked By: Hugh Sanchez Date: created: Mar 20 2021

Why is concrete bad

Answered By: Gordon Diaz Date: created: Mar 20 2021

The cement industry is one of the main producers of carbon dioxide, a potent greenhouse gas. Concrete causes damage to the most fertile layer of the earth, the topsoil. Concrete is used to create hard surfaces which contribute to surface runoff that may cause soil erosion, water pollution and flooding.

Asked By: Jack Peterson Date: created: Apr 25 2022

Is concrete toxic to fish

Answered By: Seth Gonzales Date: created: Apr 28 2022

Why is concrete/cement toxic to fish? It dissolves easily in water (water soluble) and drastically changes the pH of water increasing the alkalinity (pH 11-13), which causes burns (just like an acid burn) on fish and kills fish and other aquatic life.

Asked By: Alan Nelson Date: created: Nov 12 2021

Which is stronger cement or concrete

Answered By: Hugh Williams Date: created: Nov 14 2021

Let’s start with the basics: concrete is significantly stronger than cement. Cement is a durable material in its own right, but it simply does not compare to concrete. That’s why cement is usually used for smaller, more decorative projects.

Asked By: Logan Patterson Date: created: Sep 23 2021

How do I clear my lungs of dust

Answered By: Antonio Torres Date: created: Sep 25 2021

Ways to clear the lungsSteam therapy. Steam therapy, or steam inhalation, involves inhaling water vapor to open the airways and help the lungs drain mucus. … Controlled coughing. … Drain mucus from the lungs. … Exercise. … Green tea. … Anti-inflammatory foods. … Chest percussion.

Asked By: George Cooper Date: created: May 14 2022

Is cement toxic to humans

Answered By: Jaden Simmons Date: created: May 15 2022

The cement causes many issues: it is highly toxic, prompting eye, skin and respiratory tract irritation, and contains calcium oxide, corrosive to human tissue, and chromium, which can prompt severe allergic reactions. Then there’s silica.

Asked By: Clifford Adams Date: created: Feb 26 2021

Are concrete floors bad for your health

Answered By: Bryan Coleman Date: created: Mar 01 2021

According to experts, concrete floor systems can cause everything from bunions and ingrown toenails to shin splints, lumbar strain, and achilles tendonitis. It can also lead to lower back pain, stress fractures, knee pain, and worsening of arthritis symptoms.

Asked By: William Jones Date: created: Sep 02 2021

Is it safe to live near a cement plant

Answered By: Herbert Parker Date: created: Sep 04 2021

Statistically significant risks were found mainly for respiratory diseases among children: OR 1.67 (95% CI 1.08–2.58) for the moderately exposed category (E1), OR 1.88 (95% CI 1.19–2.97) for the highly exposed category (E2), with an attributable risk of 38% of hospital admissions due to the exposure to cement plant …

Asked By: Cody Torres Date: created: Apr 06 2021

Is cement harmful to skin

Answered By: Edward Perez Date: created: Apr 08 2021

Wet portland cement can cause caustic burns, sometimes referred to as cement burns. Cement burns may result in blisters, dead or hardened skin, or black or green skin. In severe cases, these burns may extend to the bone and cause disfiguring scars or disability.

Asked By: Robert Lee Date: created: Jan 28 2021

How long do concrete floors last

Answered By: Reginald Ward Date: created: Jan 28 2021

a hundred yearsA properly installed, sealed and maintained polished concrete floor can be expected to last a hundred years or more in even the harshest commercial environments. Its life-span will also far surpass that of other floor coverings, such as carpeting, vinyl tile and wood laminates.

Asked By: Walter Martin Date: created: May 09 2021

Should you wear a mask when mixing cement

Answered By: Oliver Cox Date: created: May 12 2021

It means that if you work with materials that contain silica and you work in an area where silica can become airborne – due to concrete cutting, grinding, coring, stoning, cement mixing and sweeping, or sandblasting – you need to wear a respirator.

Asked By: Rodrigo Reed Date: created: May 11 2021

Do lungs clean themselves of dust

Answered By: Gerld Smith Date: created: May 14 2021

Besides macrophages, the lungs have another system for the removal of dust. The lungs can react to the presence of germ-bearing particles by producing certain proteins. These proteins attach to particles to neutralize them. Dusts are tiny solid particles scattered or suspended in the air.

Asked By: Isaiah Powell Date: created: May 08 2022

What do you do if you inhale cement dust

Answered By: Jayden Garcia Date: created: May 09 2022

If you inhale cement dust, move away from it and seek fresh air immediately. Upon contact with cement, remove contaminated clothing right away. If cement is on your skin or eyes, rinse it off immediately with cool or room temperature water for at least 15 minutes.

Asked By: Diego Jenkins Date: created: Apr 24 2022

Is Breathing cement dust harmful

Answered By: Peter Harris Date: created: Apr 26 2022

Crystalline silica is found in materials such as concrete, masonry and rock. When these mate- rials are made into a fine dust and suspended in the air, breathing in these fine particles can produce lung damage. Silicosis can be totally disabling and may lead to death.

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