Reinforced Cement Concrete( प्रबलित कंक्रीट) (R.C.C.)
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Design of Structures: Welded Connection
INTRODUCTION The development of welding technology in 1940s has considerably reduced the riveted joint applications. Welding is the method of locally melting the metals (sheets or plates – overlapping or butting) with intensive heating along with a filler metal or without it and allowing cooling them to form a coherent mass, thus creating a joint. A typical weld showing various zones of weld is shown in Fig. 7.1. Such joints can be created to make structures, boilers, pressure vessels, etc. and are more conveniently made in steel. The progress has been made in welding several types of steels, but large structure size may impede the use of automatic techniques and heat treatment which becomes necessary in some cases. Welded ships were made in large size and large number during Second World War and failures of many of them spurted research efforts to make welding a better technology. ADVANTAGES OF WELDED CONNECTIONS The gross sectional area of the welded members is effective since the we...
What are defect of high rise buildings.causes of building defects?
⇒ What are defect of high rise buildings. A structural defect is defined as actual physical damage to the designated load-bearing elements of a structure, or the ingress of water into the waterproofing envelope, attributable to a defect in design, workmanship or materials, to the extent that the structure becomes unsafe or otherwise unlivable. Defect:- A defect is a building flaw or design mistake that reduces the value of the building , and causes a dangerous condition. A construction defect can arise due to many factors, such as poor workmanship or the use of inferior materials. Building defects do not appear to have been minimized despite recent advancements in building technology. Some common defects caused by agents such as atmospheric pollution, poor workmanship or the use of inferior materials and climatic conditions are more frequent. Defective building construction not only contributes to the final cost of the product but also to the cost of main...
Let Us Know.
Let Us Know Member which are subjected to direct tension are called tension member ( or tie - member ). Tension members are used in fabrication of steel roof trusses and bridge trusses etc . When tension members are subjected to direct tension, the stress distribution on the steel section is uniform but when the loads are eccentric, then additional moments are developed in the member . Hence, the stress distribution is non - uniform in eccentrically loaded tie members . Tension member are selected depending upon the magnitude and type of stress carried by them . Various members used as tie members are : single angle section, double angle sections, roads, flats, eye bars, T - sections and built up section etc . Net sectional area of a tension members plays a vital role in the design . Net sectional area may be defined as the gross area of the members less deduction for holes . Note : - Holes ( made for rivets ) reduces the resisting capacity of the members at the secti...
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