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    3 Types of Concrete Joints in Building Structures

    Concrete joints are used to compensate when concrete expands or shrinks with changes in temperature. Concrete joints are normally used to prevent cracks when the concrete shrinks, by creating forming, tooling, sawing and placing joint formers. The pre-planned cracks will provide a better finish concrete product and will be formed in specific locations where those […] More

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    Specification for Transporting and Placing Concrete

    Concrete drop during vertical placement shall not exceed 2.5m. For heights greater than 2.5m, the Contractor shall pour concrete through enclose chutes or access hatches, details of which shall be approved by the Engineer. This must comply with four main requirements, namely: It must be rapid so that the concrete does not dry out, lose […] More

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    Handbook on Concrete Mixes

    Contents Introduction Concrete  Making  Materials Properties  Of-Fresh  And  Hardened  Concrete Variability  Of  Concrete  Strength  –  Statistical Aspects Principles  Of  Concrete  Mix  Design Methods  Of  Concrete  Mix  Design Extreme  Weather  Concreting Testing  Of  Concrete  Mixes Downlaod More

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    How to Control Concrete Waste at Site

    While estimating quantity of concrete for particular structural work, we normally consider 3-5% as wastage. But concrete waste more than that can increase the cost of project and may impact project progress. So, it is necessary to control the concrete wastage at site. Concrete wastage can be prevented by proper planning of pour. Concrete pour cards shall […] More