Compounds in cement mainly are tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracalcium alumino ferrite. Not only do these compounds control most of cement properties but also reacts with water to produce new materials (cement hydration) and consequently responsible for ...
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Determination of Moisture Content of Soil by Calcium Carbide Method
Calcium carbide gas pressure moisture tester is one of the rapid test methods that is used for the determination of moisture in soils. This test is commonly called as Speedy moisture tester. The materials required and test procedure of calcium ...
Concrete Design Methods : Uses, Comparison, and Advantages
Concrete design methods or concrete design philosophies such as working stress method, ultimate strength method, and limit state method are used for the design of reinforced concrete, Steel, and timber structures. These design methods are based on certain assumptions and ...
Tests on Metallic Sheathing Ducts – Workability, Transverse Load, Tensile Load, and Water Loss Test
The sheathing ducts are used in Pre and Post tension of concrete members to create a void in the concrete, through which the cables/tendons are inserted and remain free to stretch during stressing operation. The sheathing ducts are available in ...
Shear Key in Construction: Purpose, Functions, and Uses
Shear keys are designed and provided in various structures to provide resistance against lateral loads like earthquake loads and sliding forces in various structure such as bridges, retaining walls, basement of residential buildings, precast buildings and culverts, masonry wall in ...
What is Tie Bar in Construction? Functions, and Design Specifications
Tie Bars are deformed steel bars, deformed epoxy coated steels, or connectors that are used to hold faces of rigid slabs in contact, as per AASHTO, 1993. Not only are they used to decline transverse cracking but also avoid separation ...
Euler’s Theory of Column Buckling
Euler’s theory of column buckling is used to estimate the critical buckling load of column since the stress in the column remains elastic. The critical buckling load is the maximum load that a column can withstand when it is on ...
Bitumen Extraction Test
Bitumen Extraction Test is used to determine the percentage of bitumen content present in the asphaltic pavement by cold solvent extraction. The properties of flexible pavement such as durability, compatibility, and resistance from defects bleeding, raveling, and aging of flexible pavement ...