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Concrete’s versatility, durability, and economy have made it the world’s most used construction material. The U.S. uses about 180 million cubic meters (240 million cubic yards) of ready-mixed concrete each year. It is used in highways, streets, parking lots, parking garages, bridges, high-rise buildings, dams, homes, floors, sidewalks, driveways, and numerous other applications.
Lap length in Reinforced Concrete Lap length is one of the important term in the reinforcement. This is usually confused with another important term called development length and anchorage length. In this article, the lap lengths of bars is discussed. During the placement of steel in Reinforced concrete structure, if the required length of single … Read more
The Efficient Use of Outrigger & Belt Truss in Tall Buildings Submitted By: Neeraj Agrawal Introduction The outrigger and belt truss system is one of the lateral loads resisting system in which the external columns are tied to the central core wall with very stiff outriggers and belt truss at one or more levels. The … Read more
Presentation on Prefabricated Structures & Prefabrication – Concept, Components & Advantages – by Priyaranjan Behera Concept of prefabrication? Prefabrication is the method of construction which includes assembling components of a structure in a manufacturing or production site, transporting complete assemblies or partial assemblies to the site where the structure is to be located. It is combination of good design … Read more
Repair Techniques for Cracks in Concrete – Crack Repair -submitted by Shereef MI , – K.S.R. College Of Engineering Various types of Repair Methodologies Stitching Muting and sealing Resin injection Dry packing Polymer impregnation Vacuum impregnation Autogenous healing Flexible sealing Drilling and plugging Bandaging Stitching of Concrete In this technique, the crack is bridged with … Read more
Techniques for Rehabilitation & Repair Of Structures -submitted by Shereef MI , – K.S.R. College Of Engineering Introduction The success of repair activity depends on the identification of the root cause of the deterioration of the concrete structures. If this cause is properly identified, satisfactory repairs can be done for the improvement of strength and … Read more
Composite Slabs & Columns – Advantages and Basic Concepts Read Introduction on Composite Structures Here Composite slabs Consist of profiled steel decking with an in-situ reinforced concrete topping. The decking(profiled steel sheeting) not only acts as permanent formwork to the concrete, but also provides sufficient shear bond with the concrete so that, when the concrete … Read more
Composite Construction of Buildings by Chandresh Choudhary Introduction – Steel and concrete These two materials complete one another: Concrete is efficient in compression and steel in tension Concrete encasement restrain steel against buckling Concrete provides Protection against corrosion and fire Steel bring ductility into the structure Composite Construction of Buildings refers to any members composed of … Read more
Guidelines to Construct Joints in Concrete Joints are to be carefully designed and appropriately constructed in order to avoid uncontrolled cracking of concrete slab. The following are recommended practices that should be observed: The maximum joint spacing should be 24 to 36 times the thickness of the slab. As an example, in a 5-inch thick … Read more
Various Joints in Concrete Construction Cracks in concrete can’t be prevented completely, but they can be prohibited or minimized by properly designed joints Why are Joints Constructed? Cracks in concrete can’t be prevented completely, but they can be prohibited or minimized by properly designed joints. Concrete cracks are caused because: The Concrete is weak in … Read more