Honeycomb is a rough and stony concrete appearance with air spaces between aggregates. It may occur due to improper concrete workability and concrete pouring practice, excessive water in the concrete mix, inadequate formwork rigidity and waterproofing, etc. It is found ...
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How to Bond New Concrete to Hardened/Plastic Concrete? [PDF]
Bonding new concrete to plastic and hardened concrete is an important task that is needed in many construction works. The formation of a good bond between new and existing concrete is essential when you plan to resume the concreting of ...
How to Repair Leaky Joints in Brick Masonry Walls? [PDF]
Leakage of water through joints of brick masonry walls can be repaired by grouting or repointing the joints. The wind often drives water through joints or adjacent structural elements such as floors or staircases leaning toward the wall and leading ...
How to Reduce Shrinkage of Concrete at Construction Site? [PDF]
Concrete shrinkage, along with structural restraints, leads to crack development in restraint structural members. The structural restrictions are commonly due to the other parts of the structure. Concrete observes cracks when the stresses imposed upon the structure surpasses the concrete ...
How to Store, Stack, and Handle Construction Materials? [PDF]
The construction materials shall be stored, stacked, and handled in such a manner so as to prevent deterioration, and intrusion of foreign matter and to ensure the preservation of their quality and fitness for the work. The materials shall be segregated ...
How to Treat & Prevent Condensation in Buildings? [PDF]
Condensation is a severe issue in buildings that, when ignored, can cause critical dampness problems to the walls, windows, fittings, fixtures, and wallpapers. Condensation occurs when there is a high level of humidity inside a building. The process transpires when ...
Electrochemical Chloride Extraction [PDF]: Process, and Applications
Electrochemical chloride extraction (ECE) is a method of concrete treatment to prevent future corrosion of steel. The electrochemical chloride extraction is a treatment process where chloride ions are removed from chloride-contaminated concrete through ion migration. Unlike a cathodic protection system, ...
How to Replace Damaged Concrete Members in Structures?
The replacement of damaged concrete elements requires demolition and removal of existing structural elements and their substitution with new members. The demolition process is carried out after proper jacking is applied to relieve imposed loads on the damaged structural member. ...