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| 1 | 混凝土中的Lamb波传播显示文摘将 PZT压电陶瓷片直接粘贴在混凝土梁表面来产生和接收超声波 ,由该系统发射不同频率的超声脉冲 ,依据接收的时域波形测量幅值最大波包在混凝土内的传播时间 ,由此得到波速随频率变化的频散关系。通过比较理论的与实测的频散曲线 ,表明 PZT系统能在混凝土内产生某些模态的 L amb波。在 5 0~ 10 0 k Hz的频率范围内 ,混凝土中的L amb波模态接近于 A3模态。而在 110~ 16 0 k Hz的频率范围内 ,L amb波模态接近 S4 模态。 | 孙明清 Staszewski W J Swamy R N | 2004 | 武汉理工大学学报2004，26，1： | 6 |
| 2 | 压电陶瓷片用于检测混凝土的波速和动弹模显示文摘将 PZT压电陶瓷片直接粘贴在混凝土梁表面来产生和接收超声波 ,从接收的时域信号中能清晰分辨沿混凝土梁表面传播的纵波和 Rayleigh波 ,并以此确定 Rayleigh波和纵波在混凝土表面的传播时间和波速 ,再由 Rayleigh波和纵波波速计算混凝土的动弹性模量和动泊松比。PZT片产生的沿表面传播的纵波和 Rayleigh波用于混凝土内结构缺陷监测时 ,合适的频率范围分别为 12 0~ 2 0 0 k Hz和 5 0~ 110 k Hz,并且 Rayleigh波波速在 5 0~ 80 k Hz的频率范围内呈现出明显的频散特性 ,即波速随频率而变化。 | 孙明清 STASZEWSKIW J SWAMY R N | 2004 | 武汉理工大学学报2004，26，6： | 4 |
| 3 | A Theory for the Flexural Strength of Steel Fiber Reinforced Concrete显示文摘 | SWAMY R N MANGAT P S | 1974 | Cement and Concrete Research1974，，： | 1 |
| 4 | Switched bias proportional navigation for homing guidance against highly maneuvering target 显示文摘 | K R Babu J G Sarmah K N Swamy | 1994 | Journal of Guidance Control and Dynamics1994，17，6： | 1 |
| 5 | Estimation of diffusion coefficients for chloride ion penetration into structural concrete显示文摘 | SURYAVANSHI A K SWAMY R N CARDEW G E | 2002 | ACI Materials Journal2002，99，5： | 1 |
| 6 | A nonlinear adaptive filter for narrowband interference mitigation in spread spectrum systems 显示文摘 | DEERGHA R K SWAMY M N S PLOTKIN E I | 2005 | Signal Processing2005，85，： | 1 |
| 7 | Sacrococcygeal teratoma over two decades: birth prevalence, prenatal diagnosis and clinical out- comes显示文摘 | Swamy R Embleton N Hale J | 2008 | Prenat Diagn2008，28，11： | 1 |
| 8 | Thaumasite formationin Portland-limestone cement pastes 显示文摘 | HARTSHORN S A SHARP J H SWAMY R N | 1999 | Cem Concr Res1999，29，： | 1 |
| 9 | Esti- mation of diffusion coefficient for chloride ion penetration into structural concrete显示文摘 | SURYAVANSHI A K SWAMY R N CARDEW G E | 2002 | ACI Materials Journal2002，99，5： | 1 |
| 10 | Sulfate attack and role of sili- ca fume in resisting strength loss显示文摘 | LEE S T MOON H Y SWAMY R N | 2005 | Cement and Concrete Compos- ites2005，，27： | 1 |
| 11 | Structural behaviour of high strength concrete beams 显示文摘 | Swamy R N Anand K L | 1974 | Building Science1974，9，2： | 1 |
| 12 | Strengthening for Shear of RC Beams by External Plate Bonding显示文摘 | Swamy R N | 1999 | Struct Eng1999，77，12： | 1 |
| 13 | The thaumasite formof sulfate attack in Portland-limestone cement mortars stored in mag-nesium sulfate solution 显示文摘 | HARTSHORN S A SHARP J H SWAMY R N | 2002 | Cem Concr Compos2002，24，： | 1 |
| 14 | Effectiveness and structural implications of electrochemical chloride extraction from reinforced concrete beams显示文摘 | Swamy R N Mc Hugh S | 2006 | Cement and Concrete Composites2006，28，72： | 1 |
| 15 | Thaumasite formation in Portland-Limestone cement pastes显示文摘 | Hartshorn S A Sharp J H Swamy R N | 1999 | Cem Concr Res1999，29，8： | 1 |
| 16 | Ultimate punching shear strength analysis of slab-column connections显示文摘 | Theodorakopoulos D D Swamy R N | 2002 | Cement and Concrete Composites2002，24，： | 1 |
| 17 | Strength and ductility of reinforced concrete beams externally reinforced with carbon fiber fabric显示文摘 | SPADEA G SWAMY R N | 2002 | Aci Structural Journal2002，99，2： | 1 |
| 18 | Sulfate attack and role of silica fume in resisting strength loss 显示文摘 | Lee S T Moon H Y Swamy R N | 2005 | Cement and Concrete Composite2005，27，1： | 1 |
| 19 | Strength,cracking and deformation similitude in reinforced T-beams under bending and shear显示文摘 | SWAMY R N QUESHI S A | 1971 | ACI Journal Proceedings1971，68，3： | 1 |
| 20 | Thaumasite formation in Portland-limestone cement pastes 显示文摘 | Hartshorn S A Sharp J H Swamy R N | 1999 | Cement and Concrete Research1999，29，8： | 1 |
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