Juniper Publishers: Technological Challenge of Agriculture in Climate ...

Juniper Publishers: Technological Challenge of Agriculture in Climate ...: AGRICULTURAL RESEARCH & TECHNOLOGY: OPEN ACCESS JOURNAL - JUNIPER PUBLISHERS Abstract Climate change has a strong impact on...

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Self-Sensing Concrete for Smart Infrastructure- Juniper Publishers

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  Civil Engineering Research Journal- Juniper Publishers   Opinion Along with the research advancement in the field of nanotechnology, the sensor used in construction industry has also become smart which are designated as self-sensing materials. For the smart cities to be smarter, these self-sensing materials are proving more helpful, as they monitor structural health of the civil engineering infrastructures. These smart materials include smart concrete, which imparts any concrete structure the abilities of self-sensing. This self-sensing concrete establishes the relationship between changes in internal strain and changes in corresponding material properties like electrical resistance or temperature. These sensors are having more advantages of cost and sensing size, over the conventional structural health monitoring sensors available in the market as it provides more durability combined with uniformly distributed measurements. This article takes a review of the recent advancem...
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Effect of Sand Fines and Water/Cement Ratio on Concrete Properties- Juniper Publishers

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Juniper Publishers- Journal of Civil Engineering Abstract Sand fines (clay/silt) and water/cement ratio have been reported to be one of the causes of weakness in concrete strength. A study was conducted to determine the effect of fines content in sand and water/cement ratio on some properties of concrete. Fines content in sand of 2%, 4%, 6%, 8%, 10% and 12% as well as water/cement ratio of 0.55, 0.6 and 0.7 were used. The concrete were prepared using the basic mix 1:2:4. Workability test on flesh concrete as well as compression and split tensile strengths were conducted in accordance with BS 1881. The results show that, workability of concrete decreased as fines content increases. At the same level of fines content, workability increases when the W/C increased. The study again revealed that up to 4% fines content, compressive strength increased as the fines content increases. There was a decreased in the compressive strength with increased in all W/C. The same tren...
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Designing Steel Bridges against Fire Hazard- Juniper Publishers

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Juniper Publishers- Journal of Civil Engineering Abstract Bridge fires can lead to significant economic and public losses; however, no provisions are specified for fire resistance of bridge structural members in current codes and standards. This paper presents an approach for mitigating fire hazard in steel bridges. The approach comprises of two steps, estimating fire risk in a bridge, and then developing strategies for enhancing fire resistance of a critical bridge. An analytical procedure is employed to derive a fire-based importance factor to estimate the vulnerability of a bridge to fire, and then a sequential finite element analysis is carried out to develop strategies for mitigating fire hazard in that bridge. The validity and applicability of this approach is demonstrated through a case study on a steel bridge that experienced fire recently. Keywords: Fire hazard; Bridges; Fire; Mitigation strategies; Finite element analysis ...
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