Now showing items 581-600 of 2137

    • Durability of Hollow-Core GFRP–Concrete–Steel Columns under Severe Weather Conditions 

      Song Wang; Mohamed A. ElGawady (American Society of Civil Engineers, 2019)
      One of the emerging applications of fiber-reinforced polymer (FRP) tubes is hollow-core FRP–concrete–steel (HC-FCS) columns. HC-FCS columns demonstrate superior advantages in material savings and mechanical behavior. ...
    • Experimental Study on Normal-Strength, High-Strength and Ultrahigh-Strength Concrete Confined by Carbon and Glass FRP Laminates 

      Diôgo Silva de Oliveira; Victor Raiz; Ricardo Carrazedo (American Society of Civil Engineers, 2019)
      Confinement of concrete columns with fiber-reinforced polymer (FRP) laminates has been extensively studied in recent decades due to their important applications for strengthening purposes or construction of hybrid elements. ...
    • Out-of-Plane Strengthening of Masonry-Infilled RC Frames with Textile-Reinforced Mortar Jackets 

      Lampros N. Koutas; Dionysios A. Bournas (American Society of Civil Engineers, 2019)
      This paper presents an experimental investigation on the use of textile-reinforced mortar (TRM) jackets as a means of improving the out-of-plane performance of masonry infill walls in reinforced concrete (RC) frames during ...
    • Flexural Behavior of ECC–Concrete Hybrid Composite Beams Reinforced with FRP and Steel Bars 

      Wen-Jie Ge; Ashraf F. Ashour; Jiamin Yu; Peiqi Gao; Da-Fu Cao; Chen Cai; Xiang Ji (American Society of Civil Engineers, 2019)
      This paper investigates the flexural behavior of engineered cementitious composite (ECC)–concrete hybrid composite beams reinforced with fiber-reinforced polymer (FRP) bars and steel bars. Thirty-two hybrid reinforced ...
    • Bond Characteristics of CFRP Rod Panels Adhered to Concrete under Bending Effects 

      Akram Jawdhari; Ali Semendary; Amir Fam; Issam Khoury; Eric Steinberg (American Society of Civil Engineers, 2019)
      Carbon fiber–reinforced polymer (CFRP) rod panels (CRPs) comprising small-diameter rods at a spacing larger than rod diameter are emerging as an effective adhesively bonded system for retrofit applications. They offer the ...
    • Slenderness Effects in Circular RC Columns Strengthened with CFRP Sheets Using Different External Bonding Techniques 

      Masood NoroozOlyaee; Davood Mostofinejad (American Society of Civil Engineers, 2019)
      This study aims to investigate the behavior of slender RC columns retrofitted with fiber-reinforced polymer (FRP) composites by means of the grooving method (GM) in an attempt to lessen the slenderness effects observed in ...
    • Seismic Retrofit of Full-Scale Substandard Extended Rectangular RC Columns through CFRP Jacketing: Test Results and Design Recommendations 

      Hamid Farrokh Ghatte; Mustafa Comert; Cem Demir; Mustafa Akbaba; Alper Ilki (American Society of Civil Engineers, 2019)
      Brittle behavior of substandard columns during earthquakes is among the most common reasons of structural failures. Because capacity design principles and ductile detailing concepts have not been properly adopted during ...
    • Design Methods for Strengthening Masonry Buildings Using Textile-Reinforced Mortar 

      Leonidas Alexandros S. Kouris; Thanasis C. Triantafillou (American Society of Civil Engineers, 2019)
      This investigation defines the problem and proposes guidelines for seismically upgrading masonry buildings using textile-reinforced mortar (TRM). The TRM technique in the form of externally applied jackets is appropriate ...
    • In-Plane and Out-of-Plane Behavior of Masonry-Infilled RC Frames Strengthened with Fabric-Reinforced Cementitious Matrix 

      S. Lalit Sagar; Vaibhav Singhal; Durgesh C. Rai (American Society of Civil Engineers, 2019)
      In the present experimental study, six single-story, single-bay half-scale masonry-infilled reinforced concrete (RC) frames were tested to evaluate the performance of fabric-reinforced cementitious matrix (FRCM) strengthening ...
    • Mechanical Behavior and Optimal Design Method for Innovative CFRP Cable Anchor 

      Ping Zhuge; Yang Yu; C. S. Cai; Zi-Hua Zhang; Yong Ding (American Society of Civil Engineers, 2019)
      To overcome the drawbacks of bond-type anchors for carbon fiber–reinforced polymer (CFRP) cables, an innovative bonded anchor with steel wedges at the free end is developed in this study. The new anchor features high ...
    • Fire Resistance of Strengthened RC Members Using NSM CFRP Bars with a Cladding Layer 

      Hong Zhu; Ting Li; Guanlin Zhu; Xiaowei Wang; Gang Wu; Shenggang Fan (American Society of Civil Engineers, 2019)
      Adhesives are fundamental materials in reinforced concrete (RC) members. Depending on the type of adhesive, the fire resistance of these members will vary. However, previous studies have focused on organic adhesives, ...
    • Reliability Analysis of Debonding in Steel Beams Strengthened with Externally Bonded CFRP Composites 

      Meng Liu; Mina Dawood (American Society of Civil Engineers, 2019)
      This paper presents the details of a reliability analysis of the debonding in steel beams strengthened with externally-bonded carbon fiber-reinforced polymer (CFRP) composites. A comprehensive experimental database of ...
    • Strengthening of Concrete Structures with Textile Reinforced Mortars: State-of-the-Art Review 

      Lampros N. Koutas; Zoi Tetta; Dionysios A. Bournas; Thanasis C. Triantafillou (American Society of Civil Engineers, 2019)
      Textile reinforced mortars (TRM), also known in the international literature as textile reinforced concrete (TRC) or fabric reinforced cementitious matrix (FRCM) materials, have been widely studied during the last two ...
    • Experimental Study of Full-Scale Corroded Steel Bridge Piles Repaired Underwater with Grout-Filled Fiber-Reinforced Polymer Jackets 

      Karagah H.;Dawood M.;Belarbi A. (American Society of Civil Engineers, 2018)
      Steel bridge piles, many of which have been in service for over half a century across the United States, are now deteriorating because of corrosion. They often require retrofitting to restore their capacities to their ...
    • Untitled 

      Pan Yunfeng;Xian Guijun;Li Hui (American Society of Civil Engineers, 2018)
      The bond between carbon-fiber-reinforced polymers (CFRPs) and concrete plays a key role in externally bonded CFRP-strengthening technology, but it is susceptible to harsh environments. In the present study, the effects of ...
    • Untitled 

      Zou Xingxing;Feng Peng;Wang Jingquan (American Society of Civil Engineers, 2018)
      This study investigated the behavior of bolted shear connections for fiber-reinforced polymer (FRP)–concrete hybrid beams. Fourteen push-out tests were conducted with varying parameters of bolt strength, bolt diameter ...
    • Untitled 

      Sankholkar Priyank P.;Pantelides Chris P.;Hales Thomas A. (American Society of Civil Engineers, 2018)
      Confinement of concrete using glass fiber–reinforced polymer (GFRP) spirals was evaluated using small-scale concrete cylindrical specimens with a 254-mm diameter and 762-mm height under concentric axial compression. The ...
    • Untitled 

      Al-Salloum Yousef A.;Al-Amri Ghaithan S.;Siddiqui Nadeem A.;Almusallam Tarek H.;Abbas Husain (American Society of Civil Engineers, 2018)
      The effectiveness of fiber-reinforced polymer (FRP) based strengthening on the monotonic compression response of reinforced concrete (RC) short columns has been studied extensively. Effectiveness of FRP strengthening in ...
    • Untitled 

      Pimanmas Amorn;Saleem Shahzad (American Society of Civil Engineers, 2018)
      The improved strength and ductility of fiber-reinforced polymer (FRP) confined concrete is a result of external confinement, which places an effective constraint on its lateral dilation. For a reliable confined concrete ...
    • Untitled 

      Rosa I. C.;Morgado T.;Correia J. R.;Firmo J. P.;Silvestre N. (American Society of Civil Engineers, 2018)
      The use of fiber-reinforced polymer (FRP) materials is becoming commonplace in various civil engineering applications due to the several advantages they offer over traditional materials. However, the limited knowledge about ...