Proper concreting of reinforced concrete columns, pedestals and footings is needed to ensure desired strength and durability of these structural members. Improper method of concreting may lead to corrosion of steel reinforcement due to pores, cracks in concrete and concrete ...
Work Procedures
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Good Construction Practices and Techniques to Prevent Structural Damage
Good construction practices and techniques should be followed to prevent occurrence of structural damages that may occur during occupancy and with age of the structure. A structure has to go through different stages in construction process. Each and every stage ...
Tests for Workability of Concrete at Construction Site and Recommended Values
Various tests for workability of concrete at construction sites i.e slump test, Vee-bee test, Compaction factor test and its recommended values are given.
Errors During Concrete Construction at Site and How to Avoid Them
Construction errors during concreting at site may occur due to failure to follow specified procedures and good practice or outright carelessness. Most of these errors may not lead to failure or deterioration of concrete, but they may have adverse impact ...
HOW TO CONTROL WASTAGE OF CONCRETE AT SITE?
How to control wastage of concrete at site? While estimating quantity of concrete for particular structural work, we normally consider 3-5% as wastage. But wastage of concrete more than that can increase the cost of project and may impact project ...
SPECIFICATIONS FOR JOINTS IN CONCRETE
Joints in concrete structures such as contraction joints and expansion joints are required to be provided to prevent cracks in concrete at hardened state. To provide these joints, there certain specification which must be followed. These specifications are explained below: ...
POLYURETHANE WATERPROOFING OF CONCRETE ROOF SLAB
Polyurethane Waterproofing of Concrete Roof Slab: Polyurethane waterproofing of concrete roof slab consists of two pack clear/pigmented Aliphatic Polyurethane using Polyether Polyols with Isocyanate for rendering flame resistant characteristic. The two pack system consisting of pigment and the solvent (Xylene/Toluene, ...
Excavation and Backfilling of Soil – Work Sequence and Procedure
Earthwork in excavation and backfilling of soil upto required depth is required for construction of foundation and trenches. The proper sequence of excavation and backfilling is required to optimise the process and prevent safety issues. Excavation and backfilling of soil ...