The decision on selecting concrete mixture proportion is the process of optimizing number of favored properties based on the requirements of the project. In the following sections, the basis for selection of concrete mixture proportions will be discussed. Basis for ...
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What is Wire Chair? Its Types and Applications in Concrete Construction
What is Wire Chair? Accessories used with the placement of reinforcing mesh or mat, which elevates the mat above the surface of the formwork and keep the reinforcement mesh at their place during reinforcement bar fixing and concreting. The wire ...
Methods to Monitor Crack Width Changes in Structures
Observing crack width changes is one of the techniques used to monitor structural damages due to ground movements, and there are several instruments used to monitor crack width changes. These instruments are discussed below. Methods to Monitor Crack Width Changes ...
Embedments in Concrete and When it is Used in Reinforced Concrete
What are embedments in concrete? Embedments are any items for instance pipes, ducts, sleeves, and conduits placed in concrete elements for different purposes. Embedments are commonly manufactured from different materials. They are mostly used for services such as ventilation and ...
M40 Grade Concrete Mix Design as per ACI Method
M40 grade stands for it’s a mix of concrete with a characteristic compressive strength of 40 N/mm2. The mix design procedure for M40 grade concrete as per ACI Method is discussed. M40 Grade Concrete Mix Design Procedure 1. Required Data ...
Economy of High Performance Lightweight Concrete
Purpose of high performance lightweight concrete utilization is to reduce cost or enhance functionality of the structure or the combination thereof. The economy of high performance lightweight concrete is discussed. One might argue that, the production of high performance lightweight ...
Applications of High Performance Lightweight Concrete
High performance lightweight concrete is produced by carefully mixing specified amount of cement, sand, lightweight aggregate, different pozzolans such as fly ash, silica fume, shale, metakaolin, calcined clay and superplasticizer. Various applications of high performance lightweight concrete are discussed. Fig.1: ...
Components or Materials of Concrete and their Storage Methods
The concrete is manufactured using cement, sand, gravel and water as the main components materials. The active material in concrete is cement which binds other materials physically and chemically with water and solidifies. Sometimes admixtures are used in concrete to ...