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Not much you can do if the concrete is already hard, but if you are talking about plastic concrete (still in its wet state), there's lots you can do to hurt/weaken it:
- If you had the wrong chemical admixtures
- Any addition of water at the job site will weaken the concrete
- Failture to properly cure the concrete
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∙ 12y ago
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Will placing a magnet on concrete damage it?
I don't have an answer but we have several large magnets in the shop I work in. It would appear that when we lower the cranes down and place the magnets directly on the concrete floor it tends to weaken them. I have always heard that placing a car battery on concrete would weaken the battery . Does a magnet act in the same fashion?
What type of concrete should you use when making a concrete bench?
The best concrete for making a concrete bench is Bench concrete.
What is a sentence for concrete?
The concrete was incredibly hard. The concrete was gray.
What are types of concrete available in the Philippines?
There are quite a diverse range of concrete types in the Philippines. Some of the types of concrete in this country include Fiber-reinforced concrete, Rapid-setting concrete, Fluid-filled concrete, and Pervious concrete.
Can you pour a concrete slab onto another concrete slab?
No. Concrete won't bond to concrete. It will end up cracking.
What is the effect of the salt contamination of aggregate in concrete?
It would weaken the concrete, so keep out the salt.
How does concrete interfere with wireless communication?
Concrete interferes with wireless communication by weakening the signal of the radio frequency. Concrete's ability to weaken or completely stop radio frequencies from travelling through it are what causes the interference.
Will placing a magnet on concrete damage it?
I don't have an answer but we have several large magnets in the shop I work in. It would appear that when we lower the cranes down and place the magnets directly on the concrete floor it tends to weaken them. I have always heard that placing a car battery on concrete would weaken the battery . Does a magnet act in the same fashion?
Heat treatment concrete reinforcing steel rod?
Most specifications recommend not heating (annealing) rebar because it can weaken it.
What is the abstract noun for the word weaken?
The noun form of the verb to weaken is the gerund, weakening.The noun 'weakening' is an abstract noun as a word for a reduction in value of money or financial markets.The noun 'weakening' is a concrete noun as a word for a physical loss in strength.
Why lean concrete is provided in foundation?
Lean concrete is used to provide a level surface , where main foundation (raft, iso lated or any other type) can be placed. also another purpose is protection of main foundation from soil below, as moisture or other chemicals in soil like sulphates may attack concrete and can weaken it
Can salt water be used for cement mixtures?
Generally, salt is harmful to concrete. It will seriously corrode any reinforcing steel. The salt crystals, when the concrete is dry, will weaken the concrete. The setting of cement is a complex set of chemicals, calcium sulphates and silicates mainly. The presence of salt may interfere with these crystals forming, which may take years.
Does the strength of cement decrease if it is stored for a long time?
I assume you mean concrete which is a mixture of cement and coarse aggregate stone that has cured properly. There are many factors wich can reduce the strength of concrete over time but if the sample has been stored in an appropriate manner away from detrimental environmental influences the concrete should not weaken much over hundreds of years.
The South developed ironclad technology to?
Weaken the Northern Border~APEX
Do sand dunes have poor quality sand?
Most sand in desert dunes is not suitable for construction purposes. It is much too fine and also contains a lot of dust that would weaken cement or concrete made with it.
How do you weaken your bladder?
Being a vegetarian can weaken the muscles especially your bladder.
How do you use weaken in a sentence?
Stay strong; do not let your determination weaken. .
