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Showing 1 to 20 of 40 for “"flexural capacity"”.
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Heat of Hydration Thermal Performance and Flexural Capacity of Stainless-Steel Reinforced Concrete Sections
Stainless steel (SS) is increasingly used in the construction field due to its high strength and corrosion resistance. However, its coefficient of thermal expansion is different from that of concrete. This difference raises concerns about the potential for concrete cracking during the hydration …
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Carbon Fiber Reinforced Polymer Retrofits to Increase the Flexural Capacity of Deteriorated Steel Members
The load-carrying capacity of aging bridge members may at times be found insufficient due to deterioration and a historical trend towards increased truck axle loads beyond their design capacity. Structurally deficient bridges are problematic for bridge owners and users because they restrict traffic …
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Effects of Prestress Level and Bond on the Behavior of Prestressed Concrete Pavements
… recognized as a viable method of increasing the flexural capacity of concrete. The early application of prestressed concrete pavements was in the mid 1940's but its progress was slow compared with the other types of rigid pavements. Performance of the early build prestressed concrete pavements …
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Fracture-Based Method to Determine the Flexural Load Capacity of Concrete Slabs
… for crack initiation, crack growth, and the flexural load capacity of concrete slabs using mechanical and fracture properties extracted from small-scale concrete specimens. The method predicts the flexural capacity and crack growth of large-scale concrete slabs with different geometries and …
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DESIGN AND PERFORMANCE OF SELF-CONSOLIDATING AND THIXOTROPIC ULTRA-HIGH-PERFORMANCE CONCRETE FOR INFRASTRUCTURE CONSTRUCTION AND REHABILITATION
… design of UHPC, hence enhancing the tensile and flexural properties. Similarly, improving the thixotropy of UHPC can enable unique performance for the design of thin bonded bridge deck overlay. The research investigated various thixotropy enhancing admixtures to enhance the structural build-up at …
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FLEXURAL STRENGTHENING OF RC BEAMS USING FERROCEMENT LAMINATES
… ferrocement laminate, the increase in ultimate flexural capacity of the strengthened beams, and the shear stress at the original beam/ferrocement laminate interface were derived and compared with the experimental results and available test data from other studies. The results show that the …
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Structural engineering model of irregular and efficient concrete beams: Application to topology optimized shapes and integrated textile reinforcement
… engineering model to predict the shear and flexural capacities and the deflection of irregular, efficiently shaped concrete beams, including those with alternative reinforcement and formwork. The model discretizes a 3D beam geometry into 2D sections to perform a geometric and structural …
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Cold-Formed Steel Behavior: Elastic Buckling Simplified Methods for Structural Members with Edge-Stiffened Holes and Purlin Distortional Buckling Strength Under Gravity Loading
… elastic buckling parameters used to predict capacity with the Direct Strength Method (DSM) for members with edge stiffened holes were developed and validated. The elastic buckling studies are used to validate the simplified methods presented in this thesis. All simplified methods are further …
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The behaviour of patch repaired & RFP strengthened reinforced concrete beams: an experimental investigation
… sites therefore decreasing load carrying capacity. The reduced steel area due to corrosion of steel in reinforced concrete beams is considered critical when it can lead to premature failure of a structure. Elgarf (1999) argues that large reductions in flexural capacity, strength and …
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Concrete Bridge Girders with Exposed Flexural Reinforcement
… with new concrete, temporarily exposing the flexural reinforcement. The absence of bond between the concrete and steel at this stage makes it difficult to compute the flexural capacity and the current code criteria provide no guidance to assist practitioners. The research reported in this …
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Evaluation of the ductility of composite steel I-girders in positive bending
… a mechanistic evaluation of the cross-section flexural capacity conducted in this research suggest that significantly larger capacities may be achieved than those determined with AASHTO's prediction equations. Further, AASHTO places restrictions on the bending capacity for sections with …
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Flexural Behavior of Laterally Damaged Full-Scale Bridge Girders Through the Use of Carbon Fiber Reinforced Polymers (CFRP)
… very well as each of them held a higher capacity than the control girder. The repaired girders 5, 6 and 7 surpassed the control girder’s capacity by 10.88%, 15.9% and 11.39%. These results indicate that repairing laterally damaged prestressed concrete bridge girders with CFRP is an …
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Object oriented programming for reinforced concrete design
… language. A simple program for computing the flexural capacity of reinforced concrete tee beams was developed in both languages. A second program for the analysis and design of reinforced concrete continuous beams was developed in Actor and C++. This application is representative of a …
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Flexural Behavior of Cold-Formed and Hot-Rolled Steel Sheet Piling Subjected to Simulated Soil Pressure
… piling has long-been believed to have a better flexural performance than cold-formed sheet piling based on a test conducted by Hartman Engineering twenty years ago. However, cold-formed steel can have similar strength to the hot-rolled steel This experimental program studied the flexural …
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Failure Mode Identifications Of Rc Beams Externally Strengthened With
… are strengthened in flexure to double their flexural capacity by applying the adequate amounts of CFRP to the tension face of the beams. Due to the CFRP strengthening and increasing the strength capacity of the beams, different CFRP anchorage methods are employed to the beams for additional …
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Innovative Self-Centering Connection for CCFT Composite Columns
… systems, as they combine large axial and flexural capacity with ductility. The combination of the two materials increases the strength of the confined concrete and avoids premature local buckling of the steel tube. These benefits are more prominent for circular than for rectangular …
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Performance of Steel Fiber-Reinforced Concrete Beams Under Shock Tube Induced Blast Loading
… performance of the beams includes: overall blast capacity, maximum and residual mid-span displacement, secondary fragmentation and damage control. Static results confirm the beneficial effect of fibers on improving the shear and flexural capacity of beams. Dynamic results show that use of steel …
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Long-Term Monitoring and Evaluation of the Varina-Enon Bridge
… can cause serviceability issues and can reduce flexural capacity. The Varina-Enon Bridge is a cable-stayed, precast, segmental, post-tensioned box girder bridge located in Richmond, Virginia. Observation of flexural cracks in the bridge by inspectors promoted a study regarding long-term …
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