Open Access Architectural Journals- Lupine Publishers

Expected Seismic Risk in a District of the Sant’antimo’s Historical Centre by Antonio Formisano in
Trends in Civil Engineering and its Architecture in Lupine Publishers

The current study focuses on a sub-urban sector of the historical centre of Sant’Antimo, placed in the province of Naples (Italy), in order to estimate the expected damage scenario due to earthquakes by using a probabilistic approach. First, aiming at performing an exposure analysis, the typological and structural characterization of buildings within the urban sector has been done with the purpose to redact the CARTIS form, which was developed by the PLINIVS research centre in cooperation with the Italian Civil Protection Department in the framework of the ReLUIS research project. Subsequently, the vulnerability form developed by the first Author has been used for the vulnerability assessment of the study area. Furthermore, the typological fragility curves, according to the EMS-98 scale, have been derived for the building stocks located in the sub-urban sector. Finally, the probabilistic approach for the urban risk evaluation has been applied in order to derive the damage scenario for a set of different magnitudes and site-source distances.

https://lupinepublishers.com/civil-engineering-journal/fulltext/expected-seismic-risk-in-a-district-of-the-sant-antimos-historical-centre.ID.000130.php

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Open Access Architectural Journals- Lupine Publishers

Sete Fontes: a Challenge to Promote the Heritage Legacy and Facing Water Sources Scarcity in the city of Braga-Portugal by JMP Vieira in Trends in Civil Engineering and its Architecture in Lupine Publishers

An ancient drinking water supply system, called Sete Fontes (Seven Springs), was built in the mid eighteenth century in the city of Braga. The system is composed by underground galleries, cisterns, waterspouts, fountains, and (covered) stone aqueduct channels with about 3500m long. This national monument, still existing and active, preserves both the original memorial role (representative of a boost to urban and baroque architecture), and the original function(improvement of quality of life), being a witness of the evolution of hydraulic engineering concepts, which greatly contributed to the improvement of urban infrastructures and the protection of public health. This paper also presents an overview of the history of the water supply system of the city of Braga, from the Roman period to the contemporary age, with special focus on Sete Fontes water sources characterization (morphological, hydrogeological, hydraulic, and water quality). This heritage legacy is invaluable not only for its history and cultural significance, while maintaining its authenticity and integrity, but also due to its confirmed water quality that can be an added value, taking a new relevance to address future scarcity scenarios of safe water sources in a climate change context.

https://lupinepublishers.com/civil-engineering-journal/fulltext/sete-fontes-a-challenge-to-promote-the-heritage-legacy-and-facing-water-sources-scarcity-in-the-city-of-braga-portugal.ID.000129.php

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Lupine Publishers: Composite Materials- Lupine Publishers

Lupine Publishers: Composite Materials- Lupine Publishers: Antibacterial Activity of Citrus Aurantifolia Leaves Extracts Against Some Enteric Bacteria of Public Health Importance by Muhammad Ali i...

Lupine Publishers: Journal of Pediatrics-Lupine Publishers

Lupine Publishers: Journal of Pediatrics-Lupine Publishers: Apnea in Neonates - Concepts and Controversies by Edwin Dias in Progressing Aspects in Pediatrics and Neonatology in Lupine Publishers ...

Journal of Civil Engineering Research-Lupine Publishers

Study of the Influence of Curing Processes on Mechanical Resistance Properties of Concretes by RHF Grillo in Trends in Civil Engineering and its Architecture in Lupine Publishers



The curing process is one of the main steps after concrete molding, playing a direct role in maintenance of ideal conditions related to temperature decrease of exothermal reactions and severe environmental conditions, thus avoiding possible losses of water mass from the material to the environment. Overall the curing process must act from the initial period of microstructure formation and development, a period in which the material has low resistance properties towards tensions created from high rates of water loss leading to retraction, and micro fissures formation and development. In this work we investigated the influence of different curing processes in mechanical resistance properties of concretes aged 7, 14, 28, and 56 days. It was observed experimentally that the curing process by immersion was more efficient compared to humid and chemical curing processes, with mechanical resistance to compression values of 39.56 MPa (± 2,23), that is, 24% greater. For samples not subjected to the curing process, we observed losses of 29.27% in mechanical resistance to compression. These results highlight the importance of appropriate curing processes in cement-based materials.

https://lupinepublishers.com/civil-engineering-journal/fulltext/study-of-the-influence-of-curing-processes-on-mechanical-resistance-properties-of-concretes.ID.000128.php

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Open Journal of Civil Engineering-Lupine Publishers

Behavior of Normal and High Strength Reinforced Concrete Structures under Blast Loading by Mamoun Alqedra in Trends in Civil Engineering and its Architecture in Lupine Publishers

Explosions near buildings can cause catastrophic damages and can cause injuries and loss of life to the occupants of these buildings. Experiments on explosions can be very expensive, dangerous and time consuming compared to simulation using suitable software. This study aims at modeling and analyzing a reinforced concrete structure under blast loading using finite element software LS-DYNA. The verification of the developed model was carried out by comparing the results of deflection and spalling with those obtained by reliable field experimental tests. The verification process indicated a close agreement between the obtained results of the model and those obtained from the actual experiments.

https://lupinepublishers.com/civil-engineering-journal/fulltext/behavior-of-normal-and-high-strength-reinforced-concrete-structures-under-blast-loading.ID.000127.php 

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Journal of Civil Engineering Research-Lupine Publishers

An Experimental Study on Human Hair Fiber Reinforced Concrete by S Kaleem A Zaidi in Trends in Civil Engineering and its Architecture in Lupine Publishers

This paper present the fresh and harden property of human hair fiber reinforce concrete. From the ancient time many researcher's and investors carried out research to enhance the physical and mechanical property of concrete. Now a day's human hair is considered as a waste material and an alternative non degradable matter available in abundance at cheap coast. Present study have been under taken to study the effect of human hair on medium grade concrete on basis of comprehensive strength, effect of crack control and reduce environmental problem. Further Rise Husk Ash (RHA) is a Pozzolonic material used as cement replacement in concrete. Experiments were conducted on concrete on standard cube size with addition of various 0, 0.75, 1.5 and 2.25 % of human hair fiber i.e. by weight of cement and RHA with 0, 5,10 15 and 20% partial replacement of cement. This investigation demonstrated significant improvement in the properties of concrete by the addition of human hair as fiber reinforcement concrete.

https://lupinepublishers.com/civil-engineering-journal/fulltext/an-experimental-study-on-human-hair-fiber-reinforced-concrete.ID.000126.php 

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Open Journal of Civil Engineering- Lupine Publishers

A Study on the Soundness of Parent Rocks in Sri Lanka by Ude S Jayawardena in Trends in Civil Engineering and its Architecture in Lupine Publishers

Studies on the engineering properties of different rock types provide a prior knowledge on the quality of such rock types as well as potential locations of suitable sources for the industry. The property "soundness" of a material measures the tendency to split into pieces similar to physical weathering during expansion and contraction processes within it. This soundness varies according to the type of minerals in a rock and its' origin. If rocks are using for aggregates for concrete or other applications the estimation of their soundness is necessary. With the aim of that, fresh rock samples of different rock types were collected from quarries and exposed rocks in different locali-ties in Sri Lanka to study the variation of soundness property in different rock aggregates. Samples were tested in the geotechnical engineering laboratory using sodium sulfate solution according to the Standard Method ASTM C88-99a. The rock types were Chranockite/charnockitic gneiss, garnet/hornblende/biotite gneiss, Microcline/Granitic gneiss, Garnet/biotite gneiss, Marble, Hornblende biotite gneiss, Quartzite, pegmatite, pink granite and Miocene limestone. Accordingly charnockite/ charnockitic gneiss shows the lowest loss of weight percentage as the highly sound rock for aggregates. Miocene limestone is the highly unfavorable rock.

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Lupine Publishers: Lupine Publishes : Open Access Publisher: Lupine Publishers Lupine Publishers    is a world’s leading Online Publishing repository, a  genuine publisher  with quality  medical jo...

Lupine Publishers: Composite Materials- Lupine Publishers

Lupine Publishers: Composite Materials- Lupine Publishers: Antibacterial Activity of Citrus Aurantifolia Leaves Extracts Against Some Enteric Bacteria of Public Health Importance by Muhammad Ali i...

Journal of Civil Engineering Research-Lupine publishers

Critical Reviews on Topology Optimisation of Reinforced Concrete by Sreevidya V in Trends in Civil Engineering and its Architecture in Lupine Publishers

Current demand on resources have forced engineering sector to look at more efficient design and construction methods. Methods that will yield better designs that are cost effective and put less demand on decreasing resources. This study introduces applications of structural topology optimization to reinforced concrete structures. Structural topology optimization is a technique for finding the optimum material layout. Aerospace and automotive engineers routinely employ topology optimization and have reported significant structural performance gains as a result. Recently designers of buildings and structures have also started investigating the use of topology optimization, for the design of efficient and aesthetically pleasing developments. The main objective is to achieve a reduction in the weight of concrete structures. This is motivated by the need to reduce cement production which is a major source of CO2 emissions. Using this engineer can find the best concept design that meets the design requirements. In this paper a critical review on topology optimization of reinforced concrete structures are investigated based on different topology optimization techniques.

https://lupinepublishers.com/civil-engineering-journal/fulltext/critical-reviews-on-topology-optimisation-of-reinforced-concrete.ID.000124.php

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