Mitigating early-age cracks in concrete structures is critical for sufficient durability, avoiding possible strength reduction, and reducing maintenance costs. Not only do early-age cracks diminish the aesthetic appearance of a building, but also make occupants uncomfortable and affect the contractor’s ...
Category: Building Technology Guide
Building technology and construction guide provides information on building and construction materials for different types of construction works.
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Applications of Controlled Low-Strength Materials (CLSM)
Controlled low-strength material (CLSM) is a self-consolidating cementing material used primarily as an alternative to compacted fill (ACI 229R). It is intended to result in a compressive strength of 1200 psi or less. CLSM mixture usually consists of water, portland ...
How to Minimize Rate of Evaporation from Concrete Surface?
A high rate of evaporation from the concrete surface leads to quality, durability, and potential strength-related issues. Plastic shrinkage cracks are highly likely to occur if the evaporation rate is higher than 1 Kg/m2/hour. Therefore, appropriate actions to slow down ...
Metal Ceilings: Types and Features
Metal ceilings are architectural ceiling elements made from finished metal plates with designs pressed into them. Metal ceilings can be made from aluminum, steel, or galvanized iron. Metal ceilings add strength to the structure and are highly durable compared to ...
How to Estimate Rate of Evaporation on Concrete Surface?
Evaporation is a critical factor that must be considered while concrete is poured in hot weather conditions. If the rate of evaporation is high, concrete surface can lose water quickly, leading to workability issues and plastic shrinkage cracks. Plastic shrinkage ...
What are the Risks of Pouring Concrete at a Wrong Temperature?
Placing concrete at the correct temperature is critical for its durability and ultimate strength. This is because temperatures above the normal concrete curing range (32 °C) will not only reduce the workability of concrete but also cause a significant reduction ...
What is FluidConcrete?
FluidConcrete is a cement-based, self-leveling floor coating used for all types of hard surfaces. It is specifically designed for indoor applications and provides beautiful and long-lasting surfaces for functional concrete finishes. It is an alternative to polished concrete and is ...
Thermobimetals for Breathable Buildings
Thermobimetal is a laminate of two different metals with different temperature coefficients used for buildings facades or shading systems. It is a composite metal that warps during temperature differences, displaying self-shading and self-ventilating properties. Thermobimetal is a smart material originally ...