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7篇 您的检索式:作者名="Lin Yiching"
    题名 作者 年代 出处 被引量
1Strengthening reinforced concrete beams using prestressed glass fiber-reinforced polymer-Part I: Experimental study显示文摘This work is aimed at studying the strengthening of reinforced concrete (R. C.) beams using prestressed glass fi- ber-reinforced polymer (PGFRP). Carbon fiber-reinforced polymer (CFRP) has recently become popular for use as repair or rehabilitation material for deteriorated R. C. structures, but because CFRP material is very stiff, the difference in CFRP sheet and concrete material properties is not favorable for transferring the prestress from CFRP sheets to R. C. members. Glass fi- ber-reinforced polymer (GFRP) sheets with Modulus of Elasticity quite close to that of concrete was chosen in this study. The load-carrying capacities (ultimate loads) and the deflections of strengthened R. C. beams using GFRP and PGFRP sheets were tested and compared. T- and ⊥-shaped beams were used as the under-strengthened and over-strengthened beams. The GFRP sheets were prestressed to one-half their tensile capacities before being bonded to the T- and ⊥-shaped R. C. beams. The prestressed tension in the PGFRP sheets caused cambers in the R. C. beams without cracks on the tensile faces. The PGFRP sheets also enhanced the load-carrying capacity. The test results indicated that T-shaped beams with GFRP sheets increased in load-carrying capacity by 55% while the same beams with PGFRP sheets could increase load-carrying capacity by 100%. The ⊥-shaped beams with GFRP sheets could increase load-carrying capacity by 97% while the same beams with PGFRP sheets could increase the loading-carrying capacity by 117%. Under the same external loads, beams with GFRP sheets underwent larger deflections than beams with PGFRP sheets. While GFRP sheets strengthen R. C. beams, PGFRP sheets decrease the beams’ ductility, especially for the over-strengthened beams (⊥-shaped beams).WU Jong-hwei YEN Tsong HUNG Chien-hsing LIN Yiching 2005Journal of Zhejiang University-Science A(Applied Physics & Engineering)2005,6,3:11
2Prediction of ultrasonic pulse velocity(UPV) in concrete显示文摘Lin Yiching Lai Chaopeng Yen Tsong 2003ACI Materials Journal2003,100,1:1
3Composite beams sub- jected to static and fatigue loads显示文摘Richard J Y Lin Yiching Lai M T 1997Journal of Structural Engineering1997,123,7:1
4Composite beams subjected to static and fatigue loads 显示文摘J Y Richard Yen Yiching Lin Lai M T 1997Journal of Structural Engineering1997,,:1
5Composite beams subjected to static and fatigue loads显示文摘Richard J Y Lin Yiching Lai M T 1997Journal of Structural Engineering1997,123,7:1
6Finite element studies of the impact-echo response of plates containing thin layers and voids显示文摘Yiching Lin Mary Sansalone Nicholas J. Carino 1990Journal of Nondestructive Evaluation1990,,:1
7Evaluating residual compressive strength of concrete at elevated temperatures using ultrasonic pulse velocity显示文摘Hsuanchih Yang Yiching Lin Chiamen Hsiao Jian-You Liu 2008Fire Safety Journal2008,,1:1
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