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Posts tagged with "concrete construction"
Types of Concrete Admixtures
Feb. 5 | Chemical concrete admixtures are material in the form of powder or fluids that are added to concrete to give it certain characteristics not obtainable with plain concrete mixes. In normal use, admixture dosages are less than 5% by mass of cement and...
Roller Compacted Concrete RCC
Feb. 3 | Roller Compacted Concrete (RCC) is, as it name implies, concrete compacted by roller. It is therefore differs from conventional concrete in its consistence as it must support rollers in its unhardened state. The RCC concrete mix must be dry enough to...
Health and Safety in Concrete Construction
Jan. 12 | While there are many things important to concrete construction, such as quality work and making a profit, health and safety must always be the No. 1 priority. For that reason, we are starting with safety to emphasize its importance as critical to a successful...
Shotcrete
Jan. 12 | As a structural material, most people are familiar with concrete. However, not everyone is familiar with the form of concrete known as shotcrete. Here is some background on shotcrete, including how it is used in building projects today. Essentially,...
Specification for Placing of Concrete
Jan. 2 | Concrete shall be deposited as nearly as possible to its final position and shall be placed in layers not more than 30 cm thick. Concrete shall be placed at such a rate that it is at all times plastic and will flow readily around reinforcement and embedded...
Specification for Concrete Batching and Mixing in Construction Project
Dec. 10 | Equipment The Contractor shall provide a modern and dependable wet batch?type mixing plant having sufficient capacity to complete the work within the established progress schedule. Dry batch-type mixing plant shall not be used. Separate bins shall be...
Measures to avoid cracking in fresh concrete
Nov. 6 | Generally, the contractor shall allow for all necessary measures to monitor and avoid cracking in fresh hydrating concrete, regardless the size or volume of the pour. Such measures shall be to the satisfaction of the Engineer and shall be such that maximum...
3 Types of Concrete Joints
Oct. 13 | In order to prevent concrete structures from damage caused by plastic shrinkage, thermal shrinkage, settlement, movement…, concrete joints are required. There are 3 common types of concrete joints as outlined bellows. 1. Contraction (Control) Joints Contraction...
