The Building of a Building Code

Concrete International;  May 1, 2006 ;     700+ words ......theory and observation in design. WEB REINFORCEMENT The conflict in the proportioning of web reinforcement in beams was (and continues to...questions concerning beams without web reinforcement and focus on vertical web reinforcement...

Influence of Shear Reinforcement on Reinforced Concrete Continuous Deep...

ACI Structural Journal;  May 1, 2008 ;     700+ words ......beams; 2. Based on the test data and web reinforcement (horizontal and vertical), the high-streng...when it is compared with and without web reinforcement (higherstrength concrete increases...30% when compared with and without web reinforcement); 3. The strut-and-tie model, as...

Effectiveness of Web Reinforcement around Openings in Continuous Concrete...

ACI Structural Journal;  July 1, 2008 ;     700+ words ......investigated were the configuration of web reinforcement around openings, location of openings...insensitive to the configuration of web reinforcement. For beams having openings within interior shear spans, however, inclined web reinforcement was the most effective type for ...

Design for Shear Based on Loading Conditions. Paper by Michael D. Brown,...

ACI Structural Journal;  May 1, 2007 ;     190 words ......load in reinforced concrete members without web reinforcement. [Reference] REFERENCES 60. Morrow, J...Reinforced Concrete Frame Members without Web Reinforcement," ACI JOURNAL, Proceedings V. 53, No. 3...

Analytical Model to Evaluate Failure Behavior of Plated Reinforced...

ACI Structural Journal;  September 1, 2005 ;     700+ words ......action, and the internal and external web reinforcement. The data shown in Table 2 were obtained...may be characterized by yielding of web reinforcement before crushing of concrete (beams...by crushing of concrete with the web reinforcement lying in the elastic state (beams...

Strut-and-Tie Models for Deep Beam Design

Concrete International;  December 1, 2008 ;     700+ words ......of a reinforced concrete beam with web reinforcement V^sub n^ = V^sub c^+V^sub s^ (1...shear strength contribution from the web reinforcement. In reality, however, these two resistances...shear design methods for beams with web reinforcement, design standards such as the AASHTO...

Fibres in concrete - a perspective

Concrete;  September 1, 2002 ;     700+ words ......distribution at practical volumes will not significantly alter the cracking load. Therefore, the main benefits of fibres in hardened concrete...fibres will not generally provide load capacity above the cracking load in bending of beams and slabs. Two or three times this fibre...

Effect of Synthetic Fibers on Structural Behavior of Concrete...

ACI Materials Journal;  January 1, 2006 ;     700+ words ......synthetic fibers did not alter the tensile cracking load of the plain concrete slab, the flexural cracking load of the plain concrete slab was increased...volume fraction increased the flexural cracking load of plain concrete slab under edge loading...

Unified Shear Strength Model for Reinforced Concrete Beams-Part I:...

ACI Structural Journal;  January 1, 2008 ;     700 words ......Strength Model for Slender Beams without Web Reinforcement," ACI Structural Journal, V. 103...conventional longitudinal and transverse web reinforcement, as presented in Fig. 12. Thus, in...reinforcement method except the longitudinal web reinforcement. Therefore, if the shear ...

Reinforced Concrete Deep Beams-Shear Strength Model and Design Formula

ACI Structural Journal;  May 1, 2005 ;     700+ words ......vertical stirrups and the horizontal web reinforcement, is derived. The coefficients of...reinforcement, the second to horizontal web reinforcement, and the third to vertical stirrups...equal to s^sub v^. The horizontal web reinforcement is provided by bars of area A^sub...

Shear Strength of Steel Fiber-Reinforced Concrete Beams without Web...

ACI Structural Journal;  January 1, 2007 ;     700+ words ......concrete (FRC) slender beams without web reinforcement. In the FRC beam, the shear force...rectangular cross sections without web reinforcement. A strain-based shear strength model...of slender steel FRC beams without web reinforcement better than existing shear strength...

Strain-Based Shear Strength Model for Slender Beams without Web...

ACI Structural Journal;  November 1, 2006 ;     700+ words ......Mrsch,1 shear failure of reinforced concrete beams without web reinforcement is caused by diagonal tension cracking that develops perpendicular...the test results of 106 reinforced concrete beams without web reinforcement, Talbot3 demonstrated that the shear strengths of slender...

Strain-Based Shear Strength Model for Slender Beams without Web...

ACI Structural Journal;  September 1, 2007 ;     700+ words ......Government, Sarasota, Fla. The authors have presented an interesting concept on shear strength of slender beams without web reinforcement. The discusser would like to offer the following: 1. There are some inconsistencies involved in the σ value. Based...

Influence of Inclined Web Reinforcement on Reinforced Concrete Deep Beams...

ACI Structural Journal;  September 1, 2007 ;     700+ words ...This paper reports the testing of 15 reinforced concrete deep beams with openings. All beams tested had the same overall geometrical dimensions. The main variables considered were the opening size and amount of inclined reinforcement. An effective inclined reinforcement factor combining the

Steel plate contribution to load-carrying capacity of retrofitted RC...

Construction and Building Materials;  March 1, 2008 ;     700+ words ......ultimate strength prediction of RC members without web reinforcement is still far from being settled. Tests on RC...the effect of glued steel plates on the first cracking load, cracking behavior, deformation, serviceability, and ultimate...indicated that bonded steel plates to the beam ...