Impact Resistance Performance Of Waste Long Drink Cans Fibres Reinforced Concrete Slab

2018 ◽  
Author(s):  
Agusril Syamsir
Keyword(s):  
Reinforced Concrete ◽  
Concrete Slab ◽  
Impact Resistance ◽  
Reinforced Concrete Slab ◽  
Resistance Performance

Numerical Analysis of Anti-Impact Performances of the Reinforced Concrete Slab

2012 ◽  
Vol 249-250 ◽  
pp. 1063-1068
Author(s):  
Qian Ma ◽  
Dan Wu ◽  
Xu Dong Shi ◽  
Xiu Gen Jiang
Keyword(s):  
Reinforced Concrete ◽  
Concrete Slab ◽  
Concrete Strength ◽  
Impact Resistance ◽  
Reinforced Concrete Slab ◽  
Reinforced Concrete Slabs ◽  
Steel Bar ◽  
Parameterized Modeling ◽  
Element Theory ◽  
Bar Diameter

The influence of the structure parameters on the anti-impact performances of the reinforced concrete slab is studied in the article. The reinforced concrete model is established by using ANSYS 13.0/LS-DYNA and nonlinear finite element theory and the parameterized modeling is achieved. The results show that the increase of the thickness of the slab and the steel bar diameter result in the enhancement of impact resistant capability of the slab; a appropriate quantity of reinforcement is significant; Increasing the concrete strength has a distinct impact on the slab’s impact resistance when using relatively low strength concrete. However the influence becomes weak after the concrete strength comes to C60 and higher. The fruits are useful to the designing of reinforced concrete slabs.

scholarly journals Evaluation of Fire Resistance Performance and Temperature Distribution by Depth of Reinforced Concrete Slab Subjected to Fire

2021 ◽  
Vol 21 (1) ◽  
pp. 179-187
Author(s):  
Jangsik Yoon ◽  
Byongjeong Choi
Keyword(s):  
Reinforced Concrete ◽  
Temperature Distribution ◽  
Concrete Slab ◽  
Reduction Factor ◽  
Strength Reduction Factor ◽  
Reinforced Concrete Slab ◽  
Temperature Estimation ◽  
Concrete Members ◽  
Collapse Temperature ◽  
Resistance Performance

The yield or ultimate strength of a structure can be deteriorated by fire, leading to structural collapse. Temperature estimation has been studied in concrete members to identify the internal temperature distribution of reinforced concrete members at high temperatures. While foreign standards such as ACI 216 and Eurocode exist, no domestic standards have not been established for fire-resistant designs (temperature of components, strength reduction factor). This study discussed the temperature estimation and comparison of slab members using the methods of Hertz, Wickstrőm, Kodur, Eurocode, and ACI 216.1 and analyzed the differences from actual experiments by comparing reinforced concrete experiments, foreign standards, and existing studies.

Dimension and Frequency Profiles of Concrete Highway Bridges in New Madrid Region of Southeastern Missouri

1997 ◽  
Vol 1594 (1) ◽  
pp. 84-93 ◽  
Author(s):  
Ralph Alan Dusseau
Keyword(s):  
Reinforced Concrete ◽  
Concrete Slab ◽  
Highway Bridges ◽  
Ambient Vibration ◽  
Earthquake Hazards ◽  
Empirical Formulas ◽  
Reinforced Concrete Slab ◽  
Box Girder ◽  
Bridge Spans ◽  
New Madrid

The results of a study funded by the U.S. Geological Survey as part of the National Earthquake Hazards Reduction Program are presented. The first objective of this study was the development of a database for all 211 highway bridges along I-55 in the New Madrid region of southeastern Missouri. Profiles for five key dimension parameters (which are stored in the database) were developed, and the results for concrete highway bridges are presented. The second objective was to perform field ambient vibration analyses on 25 typical highway bridge spans along the I-55 corridor to determine the fundamental vertical and lateral frequencies of the bridge spans measured. These 25 spans included six reinforced concrete slab spans and two reinforced concrete box-girder spans. The third objective was to use these bridge frequency results in conjunction with the dimension parameters stored in the database to develop empirical formulas for estimating bridge fundamental natural frequencies. These formulas were applied to all 211 Interstate highway bridges in southeastern Missouri. Profiles for both fundamental vertical and lateral frequencies were then developed, and the results for concrete highway bridges are presented.

An Assessment of the Long-Term Durability of Concrete in Radioactive Waste Repositories

1985 ◽  
Vol 50 ◽  
Author(s):  
A. Atkinson ◽  
D. J. Goult ◽  
J. A. Hearne
Keyword(s):  
Reinforced Concrete ◽  
Radioactive Waste ◽  
Concrete Slab ◽  
Laboratory Studies ◽  
Preliminary Assessment ◽  
Reinforced Concrete Slab ◽  
Radioactive Waste Repositories ◽  
Waste Repositories ◽  
Durability Of Concrete

AbstractA preliminary assessment of the long-term durability of concrete in a repository sited in clay is presented. The assessment is based on recorded experience of concrete structures and both field and laboratory studies. It is also supported by results of the examination of a concrete sample which had been buried in clay for 43 years.The enoineering lifetime of a 1 m thick reinforced concrete slab, with one face in contact with clay, and the way in which pH in the repository as a whole is likely to vary with time have both been estimated from available data. The estimates indicate that engineering lifetimes of about 103 years are expected (providing that sulphate resisting cement is used) and that pH is likely to remain above 10.5 for about 106 years.

Computer Nonlinear Analysis of the Formation and Development of Cracks in a Reinforced Concrete Slab Loaded by a Planar Uniform Load

2014 ◽  
Vol 606 ◽  
pp. 229-232 ◽  
Author(s):  
Petr Tej ◽  
Vítězslav Vacek ◽  
Jiří Kolísko ◽  
Jindřich Čech
Keyword(s):  
Reinforced Concrete ◽  
Ground Water ◽  
Nonlinear Analysis ◽  
Concrete Slab ◽  
Lower Surface ◽  
Uniform Load ◽  
Reinforced Concrete Slab

The paper focuses on a computer nonlinear analysis of the formation and development of cracks in a concrete slab exposed to a uniform continuous load on the lower surface. The analysis is based on an actual example of the formation and development of cracks in a basement slab exposed to ground water buoyancy.

Evaluation of Fatigue Damage in Reinforced Concrete Slab by Acoustic Emission.

1999 ◽  
pp. 251-259
Author(s):  
Shigenori YUYAMA ◽  
Zhang-Wang LI ◽  
Takeshi TOMOKIYO ◽  
Masaru YOSHIZAWA ◽  
Taketo UOMOTO
Keyword(s):  
Acoustic Emission ◽  
Reinforced Concrete ◽  
Fatigue Damage ◽  
Concrete Slab ◽  
Reinforced Concrete Slab
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