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Why is important to place gaps at regular intervals in sidewalks?
To prevent sidewalks from cracking in random spots and breaking apart, builders make lines in sidewalks. The technical term for sidewalk lines is contraction joints. Contraction joints are placed in fresh concrete before the concrete dries and has a chance to create its own joints, which we call cracks.
Why do sidewalks have lined joints built into them?
because they expand and contract with heat.
Why does the expansion joints in a sidewalk get narrow in the summer and get wider in the winter?
Expansion joints in sidewalks are designed to accommodate the natural expansion and contraction of the concrete due to temperature changes. In the summer, the concrete expands with the heat, causing the joints to narrow. In winter, when the concrete contracts in the cold, the joints widen to prevent cracking and damage to the sidewalk.
What are the plastic seams in a pool deck?
Some are drains, some expansion joints
Why does the roads and sidewalks have spaces?
Roads and sidewalks have spaces, often referred to as joints, for several reasons. These joints allow for expansion and contraction of materials due to temperature changes, helping to prevent cracking and structural damage. Additionally, spaces can accommodate drainage, preventing water accumulation and improving safety. They also facilitate maintenance and repairs without requiring complete reconstruction.
What is surface taping?
Surface taping is a technique used in construction and drywall installation to cover joints and seams between different materials or panels. It involves applying tape to the joints before adding joint compound to create a smooth surface. Surface taping helps create a seamless finish and strengthen the joints.
Who was the king of sidewalks?
The King Of Sidewalks
Different types of lapped seams?
A lapped seam is one of the four major types of seams. The types of lapped seams are bound seams and Hong Kong seams.
What are city sidewalks and busy sidwalks dressed in?
City sidewalks, busy sidewalks, dressed in holiday style.
What are the differences in impact on joints and muscles when running on a sidewalk versus running on a road?
Running on a sidewalk typically has less impact on joints and muscles compared to running on a road. Sidewalks are usually smoother and more even, which can reduce the strain on your body. Roads, on the other hand, may have uneven surfaces and harder pavement, leading to more stress on your joints and muscles.
Where are the joint found?
Termed "sutures", the occipital, parietal, temporal and frontal plates are sections of the human skull. Separate in infancy, they grow together and become completely joined in early adulthood. They are the seams between the plates.
What can you use to fill the wide seams of a concrete driveway?
These are the movement joints which stop the driveway cracking up when it expands/contracts. They need to be filled with something flexible. See Link for better explanation.
