Sprayed Concrete Admixtures and the Process
Concrete Technology

Sprayed Concrete Admixtures and the Process

Sprayed Concrete Admixtures and the Process Sprayed concrete or Shotcrete is pumped to the point of application projected in high velocity used for rabid construction.The applications are frequently vertical or overhead and this requires rapid

Cement Concrete Work In Building
Concrete Technology

General Specifications of Cement Concrete Work In Building

General Specifications of Cement Concrete Work In Building All concreting, especially cement concrete work, is a specialized task in respect of bringing out quality: finish, strength, and leak-proof performance. Cement Concrete Cement concrete work can

Protection of Newly Placed Concrete Curing Time
Concrete Technology

Protection of Newly Placed Concrete Curing Time

Protection of Newly Placed Concrete Curing Time Newly placed Concrete Curing Time in the initial stages of setting(up to 12-24 hrs.) should be protected by approved means from frost, mist-, rain and drying winds. Exposed

Concrete Works
Concrete Technology

Finished Concrete Works and Workability of Concrete

Finished Concrete Works and Workability of Concrete Finished Concrete Works Check and inspect after stripping of formwork for defects such as; Honeycombing Porous concrete and voids Exposure of reinforcement Poor joints Inadequate cover to reinforcement

Quality and Quantity of Cement
Concrete Technology

Assessing the Quality and Quantity of Cement

Assessing the Quality and Quantity of Cement 1.Colour of the cement should be uniform and grey for 0rdinary Portland. Cement(OPC) and blackish in case of Portland Pozzolana Cement(PPC). 2.When rubbed between fingers, it should be

Failures in Concrete Structure
Concrete Technology

Factors Affecting Failures in Concrete Structure

Factors Affecting Failures in Concrete Structure Failures in concrete structures can be due to any of the following factors: 1. incorrect selection of materials 2. errors in design calculations and detailing 3. poor construction methods

Fresh Concrete
Concrete Technology

Various Type of Test on Fresh Concrete

Various Type of Test on Fresh Concrete The following various type of test on fresh concrete given below: Workability: The workability of a concrete mix gives a measure of the ease with which fresh concrete