1civilhub

 In reinforced concrete construction, stirrups (also known as ties or hoops) are used to provide lateral support to vertical reinforcement bars (rebars) in columns. These stirrups help to confine the longitudinal reinforcement and enhance the column's resistance to forces such as bending and shear. The bends and configurations of stirrups in columns are typically standardized to ensure effective reinforcement and construction practices. Here are the standard stirrup bends commonly used in columns: Standard Stirrup Bends for Columns: U-Shaped Stirrups: Configuration: U-shaped stirrups are bent into a semi-circular or rectangular U-shape, with the legs of the U extending horizontally between vertical bars. Purpose: U-shaped stirrups are used to confine the vertical reinforcement bars and provide lateral support against buckling and shear forces. Closed Stirrups (Rectangular Stirrups): Configuration: Closed stirrups are bent into a rectangular shape, where the two legs of the stirr

  Standard reinforcing bars, also known as rebars, typically come in various sizes and weights. The dimensions and weights can vary somewhat depending on the specific standard used (such as ASTM in the United States or BS in the United Kingdom). Here are some common sizes and weights for reinforcing bars: Rebar Sizes : Rebars are usually designated by their nominal diameter in millimeters. Diameter : Common diameters range from 6 mm to 50 mm or more, with typical increments being 6, 8, 10, 12, 16, 20, 25, 32, and 40 mm. Weights : The weight of a rebar can be calculated based on its diameter. The weight is usually specified in kilograms per meter (kg/m). Weight Calculation : The weight W W W of a rebar of diameter d d d in millimeters can be calculated using the formula: W = π × d 2 4 × Unit weight of rebar W = \frac{\pi \times d^2}{4} \times \text{Unit weight of rebar} W = 4 π × d 2 ​ × Unit weight of rebar Where: π \pi π (pi) is approximately 3.14159, d d d is the diameter of the

  प्रदेश लोक सेवा आयोग सुदूरपश्चिम प्रदेश स्थानीय सरकारी सेवा अन्तर्गत इञ्जिनियरिङ्ग सेवा , सिभिल समूह , स्यानिटरी उपसमूह , चौथो तह , खानेपानी तथा सरसफाइ टेक्निसियन पदको प्रतियोगितात्मक लिखित परीक्षा परीक्षा मितिः २०८०।०६।२७ समय :- ४५ मिनेट                                                    वस्तुगत बहुवैकल्पिक (५० × २ अङ्क) :                                                      KEY (A) उत्तरपुस्तिकामा प्रश्नपत्रको Key अनिवार्य रुपले उल्लेख गर्नुपर्नेछ । उल्लेख नगरेमा उत्तरपुस्तिका रद्द हुनेछ । साथै परीक्षामा Calculator, Mobile जस्ता विद्युतीय उपकरणहरु प्रयोग गर्न पाइने छैन । विषय:- सेवा सम्बन्धी । १.      खानेपानी योजनाको डिजाइन सामान्यतया कति अवधिको लागि गरिन्छ ? ü   ५-१० वर्ष ü   १०-१५ वर्ष ü   १५-२० वर्ष ü   २०-३० वर्ष २.      खानेपानीको माग गर्दा के के कुरामा ध्यान दिनु पर्दछ ? ü   जनसङ्ख्या ü   वृद्धिदर घरायसी माग ü   औद्योगिक माग ü   माथिका सबै ३.      खानेपानी योजनामा कुल पानीको माग हिसाव गर्दा पिक (फ्याक्ट) कति ü   ३ ü   २ ü   ४