The materials used for concrete repair works such as replacement and jacketing of concrete structural members should have good bonding properties with the existing materials and should be non-shrinking. Replacement of concrete is done for damaged structural members. For strengthening ...
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CAUSES OF CONCRETE DAMAGE IN STRUCTURES
Damage to structural concrete can be due to the use of excessive water, poor cement, poor construction practices, improper mixture proportioning, dirty or low quality aggregate, and inadequate curing.
LONG TERM SHRINKAGE CRACKING OF CONCRETE
Long Term Shrinkage Cracking of Concrete: Shrinkage is the inherent property of cement paste, which in pure form may shrink up to 1%. Aggregate provides internal restraint that reduces the magnitude of this volume change to about 0.06%. Shrinkage also ...
Techniques to Restore Original Strength of Structures
Structures are design for some intended use. When it gets damaged, it is essential to restore original strength of structures to serve its intended purpose.
Advance Cast-in-Place Concrete for Repair of Structure
Types of Advance Cast-in-Place Concrete for Structure Repair Cast-In-Place Fiber-Reinforced Concrete When metallic or polymeric fibers (made up of steel, glass or synthetic and natural plastics) are added in conventional concrete to get greater resistance to plastic shrinkage, drying shrinkage, and cracking, ...
Sealing of Various Types of Joints in Building Construction
Protection systems of joints include the sealing of cracks, contraction (control) joints, expansion joints, and construction joints. Joint sealants in concrete minimize the intrusion of liquids, solids, or gases, and protect the concrete against damage.
What is Distress of Concrete and its Remedial Measures?
What is Distress of Concrete? Distress in concrete members occurs with age due to corrosion in reinforcement, loading, settlement of foundations etc. This distress in in building can be found by development of cracks in concrete members such as slabs, ...
Injection Grouting Types and Materials for Concrete Crack Repair
Injection grouting is a process of filling the cracks, voids or honeycombs under pressure in concrete or masonry structural members for repairing of cracks, strengthening of damaged concrete or masonry structural members. Grout is a flowable plastic material and should ...