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What is the name of the material placed in the gaps between the concrete sections?
Wiki User
∙ 11y ago
Cement
answer #2
The material is an asphalt impregnated fiber material designed to block and penetration of water and be somewhat flexible. During the lifetime of the roadway the maintenance efforts will often fill the gaps with a liquid tar based sealant to keep water out and prevent the creation of potholes. Water gets through and washes out the supporting structures which causes cracking. Water and ice are the enemies that cause potholes and other problems.
Wiki User
∙ 11y ago
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What is more fire resistant steel or concrete?
Concrete is much more fire resistant. This is shown by the design of reinforced concrete structure where the steel is placed within the concrete. A major reason is that the concrete protects the steel from any fire. Steel only construction requires the steel to be covered in a fire protection material.
What is curing of concrete?
The curing of concrete is a reaction between the type of cement in the concrete and the water. This reaction between cement and water is known as hydration. When the concrete sets and gains strength through this process it is known as curing. Test cylinders of concrete for construction projects are placed in a curing room where they are continuous misted with water at 23 +-2 degrees Celsius for 7 and 28 days before testing. This provides adequate curing.
What is the meaning of steel re bar?
Rebar is an informal term for steel "reinforcing bar". These are steel bars that are placed within the structure before the wet concrete is placed. Steel reinforcement is necessary for almost all structural concrete because concrete has virtually no tensile or shear strength. The rebar provides almost all of the resistance to tension and shear within the structure.
What is difference between pre tension and post tension precast girders of bridge?
A simple explanation: PRE tensioned- cables are tensioned, and the concrete is cast around it. The tensioning is done BEFORE casting the concrete (PRE = before). POST tensioned- cables are placed inside of ducts or are greased to prevent bonding to the concrete, the concrete is cast around the cables, and then the cables are tensioned after the concrete has reached a desired strength. The tensioning is done AFTER the concrete is cast (POST = after).
What does Trowel mean in concrete?
A trowel is a flat, steel tool with a handle, meant to "butter" on drywall grout, or to smooth the surface of newly-placed concrete, much like you smooth out the icing on top of a cake. "To trowel" means to smooth a concrete or grout surface, using a trowel.
What are Metal joints are placed between concrete sections?
Roadways?
Metal joints are placed between concrete sections of long?
beam
What is metal joints are placed between concrete sections of long?
bridges
When a concrete road is put down black asphalt stripes are placed between sections of the concrete to?
Prevent or reduce cracking of the concrete due to thermal expansion. Most materials expand when heated and contract when cooled. The strips are usually a fibrous material that allows the concrete expand and contract without breaking. Without those strips, random and irregular cracks would occur.
Why are pieces of rubber placed between slabs of concrete?
Concrete expands and contracts depending on the temperature. The strips are called expansion joints.
What material when placed between a magnet and iron best reduces the attraction?
Any material that does not have magnetic domains.
Is black asphalt strips placed between section of concrete to allow for the expansion and contraction of the concrete?
Partially. The asphalt strips are placed between sections of concrete to make up for the expansion and contraction of the earth around the concrete. Because with the changing seasons (mostly summer and winter because their temperatures vary so much from other seasons) the earth "dirt" expands and contracts; such is the same as when you put a glass of water into the freezer, it will look like there is less ice afterward than the amount of water that you put into it because the atoms contract together to make a solid. Also the same as when it is cold out, you can move your body less than you can when it's warmer out.
What is more fire resistant steel or concrete?
Concrete is much more fire resistant. This is shown by the design of reinforced concrete structure where the steel is placed within the concrete. A major reason is that the concrete protects the steel from any fire. Steel only construction requires the steel to be covered in a fire protection material.
How honeycombing in concrete is formed?
Honeycombing in concrete can be formed due to the improper consolidation of concrete. If Concrete is not consolidate when it is placed inside of form work air voids could remain between the forms and the concrete creating honeycombing. Proper consolidation can be achieved by the use of vibrators.
How do you make reinforced concrete?
Reinforced concrete is just normal concrete with steel reinforement placed inside.
If you cover concrete patio with flagstone is that too much weight?
If your concrete padio was installed correctly with the correct amount of class 5 material placed under it the flagstone will be fine up there. I landscape and have a few of these and have never had any reported issues from clients.
Where do concrete words sit on the ladder of abstraction?
Concrete words sit at the bottom of the ladder of abstraction. They are specific, tangible, and easily understood, representing objects or ideas that are physical or can be perceived through the senses. Examples include objects like "table" or actions like "running".
