The prestressed concrete design of a structure is influenced by either of the two processes, pre-tensioning, and post-tensioning. Pre-tensioning can be further classified into two categories such as linear pre-tensioning and circular pre-tensioning. Pre-Tensioning and Post-Tensioning in Prestressed Concrete Design ...
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Raft Foundation — Design Requirements and Applicability
A raft or mat foundation is a sizable concrete slab or slab-and-beam system which supports all the loads of superstructure through walls or columns in two or more rows and rests on soil layer or rock. A raft foundation may ...
Specific Gravity of Soil By Pycnometer Method-Procedure and Calculations
The Pycnometer is used for determination of specific gravity of soil particles of both fine grained and coarse grained soils. The determinination of specific gravity of soil will help in the calculation of void ratio, degree of saturation and other different ...
Structural Details of Burj Khalifa – Concrete Grade and Foundations
Structural Details of Burj Khalifa The world’s tallest building, Burj Khalifa took 6 years for its construction and was inaugurated on 4th January 2010. The structure is 828m tall and the whole system is a reinforced concrete tower structure. This ...
Earthquake Resistant Design Techniques for Buildings and Structures
Earthquake resistant design of buildings depends upon providing the building with strength, stiffness and inelastic deformation capacity which are great enough to withstand a given level of earthquake-generated force. This is generally accomplished through the selection of an appropriate structural ...
Different Materials Used for Formwork – Advantages and Disadvantages
A Formwork is a temporary structure used as mold for the original structure. There are different materials available to construct the formwork. Formwork Material is selected depending upon many factors like cost, requirement, type of structure etc. Different Formwork Materials ...
How to Check Cement Quality at Construction Site?
Quality tests on cement at construction site (also called field tests on cement) are carried to check quality of cement supplied for construction use.
Ring-Ball Test for Softening Point of Bitumen, Asphalt and Coal Tar
Ring and ball test is used to determine the softening point of bitumen, asphalt and coal tar. This test consists of two brass ring and two steel ball, using which the softening point of various bituminous materials are determined. Softening ...
Triaxial Shear Test on Soil – Procedure,Advantages
Triaxial shear strength test on soil measures the mechanical properties of the soil. In this test, soil sample is subjected to stress, such that the stress resulted in one direction will be different in perpendicular direction. The material properties of ...
What Is Hydraulic Jump? Types and Characteristics of Hydraulic Jump
Hydraulic jump is standing wave formed when depth of water changes from supercritical to subcritical state. Types of hydraulic jump based on froude number is discussed.