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 ...
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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 ...
Cement Grouting for Cracks in Concrete and Masonry
Cement Grouting for Cracks in Concrete and Masonry Wide cracks, particularly in mass concrete abutments / piers and masonry substructures can be repaired by filling with portland cement grout. This method is effective in sealing the crack in concrete, but ...
Epoxy Injection Grouting of Cracks in Structures
Epoxy injection grouting is a method of repairing cracks in concrete structures. Equipment required for epoxy based injection grouting, procedure for grouting will be discussed here. Epoxy based grouting is preferred to cement due to property of quick setting, very ...
Methods of Protecting Concrete Surfaces from Damages and Deterioration
Surface protection of concrete structural members is necessary to protect the structure from damage due to environmental considerations. Corrosion of reinforcement due to permeability of water / moisture, chemical attack on structural members, structures nearby sea-coast etc. are all responsible ...
Repair of Dormant Cracks in Concrete
Repair of dormant cracks in concrete can be done by 4 methods such as sealing, routing and sealing, bond breaking and epoxy injection methods of crack repair. Dormant cracks are those cracks in concrete which once occurred does not propagate ...