Stabilization of Expansive Soil Using Wheat Husk Ash and Granulated Blast Furnace Slag (TCEIA) - Lupine Publishers

Stabilization of Expansive Soil Using Wheat Husk Ash and Granulated Blast Furnace Slag (TCEIA) - Lupine Publishers

The Expansive soil swells when it comes in contact with water and shrinks on drying. These soils are characterized by inherent swelling and shrinkage characteristics due to presence of Montmorillonite clay mineral, which exhibits volume change behavior under changes of moisture content. Granulated blast furnace slag(GBS) is the waste material which is generated from the steel plant after with the increase in waste disposal problems and their solutions has increased to a where the waste disposal by several methods has become a technology of its own. To minimize the impact of wastes on the environment, final disposal which offers environmentally sustainable methodology for disposing wastes on land is inevitable, after thorough analysis of behavior of soils. Hence, an attempt has been made in the investigation to overcome the disposal problems of GBS that are mixed with wheat husk ash to achieve the desired requirements. In the same way the Expansive soils are treated with different percentage of GBS and wheat husk ash to improve the engineering properties of soil.

http://www.lupinepublishers.com/civil-engineering-journal/fulltext/stabilization-of-expansive-soil-using-wheat-husk-ash-and-granulated-blast-furnace-slag.ID.000108.php

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Experimental Investigation on FRP Composite Compression Members (TCEIA) - Lupine Publishers

Experimental Investigation on FRP Composite Compression Members (TCEIA) - Lupine Publishers

In the last 25 years, fiber-reinforced polymer (FRP) composite materials have been considered to be used in various civil engineering applications such as the cooling tower system, waste water treatment plant, pedestrian bridges, reinforced concrete rebars, structure strengthening members, and some metallic sensitive specialized buildings. This review of study is only concentrated on the experimental investigation of GFRP composite compression members made from glass-fiber and polyester-based and vinylester-based polymers in a pultrusion process.

https://www.lupinepublishers.com/civil-engineering-journal/fulltext/experimental-investigation-on-frp-composite-compression-members.ID.000107.php

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Electron Beam Additive Manufacturing with Wire (TCEIA) - Lupine publishers

Electron Beam Additive Manufacturing with Wire (TCEIA) - Lupine publishers

Electron beam additive manufacturing with wire (EBAMW) is a novel technology which can directly fabricate 3-D near-net shape elements from metal wires. Of specific interest are the additive layer manufacturing processes with wires that are capable for producing fully dense metallic and hybrid parts in which the resulting parts may be used for loaded structure.

https://www.lupinepublishers.com/civil-engineering-journal/fulltext/electron-beam-additive-manufacturing-with-wire.ID.000106.php 

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Beneficial Use of Nano-Silica in Concrete: A Review (TCEIA)- Lupine Publishers

Beneficial Use of Nano-Silica in Concrete: A Review (TCEIA)- Lupine Publishers

Nano-silica and its use in cement-based materials, especially concrete, has been the focus of many scientific studies. This is because cement production is an energy-intensive process and because concrete is the most used construction material worldwide. Accordingly, it is very important to understand the complexity of concrete, improve its performance and durability. This paper reviews the existing literature on the effects of nano-silica on concrete mechanical properties, microstructure and cement hydration.

https://www.lupinepublishers.com/civil-engineering-journal/fulltext/beneficial-use-of-nano-silica-in-concrete-a-review.ID.000105.php 

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Evaluation of the Performance of Asphalt Binder Modified With Nanoparticles (TCEIA)- Lupine Publishers

Evaluation of the Performance of Asphalt Binder Modified With Nanoparticles (TCEIA)- Lupine Publishers

The physical and rheological properties of asphalt binder have been characterized using the conventional tests; (penetration, ductility, and softening point) and dynamic shear rheometer (DSR). In this study, Calcium Carbonate nanoparticles (CaCO₃) and Aluminum hydro oxide (Al²O₃) nanoparticles have been added to the base asphalt with a concentration of 3, 5 and 7% by the weight of asphalt. It was found that the addition of CaCO₃ and Al2O₃ content has a significant effect on the physical properties of the asphalt, as the penetration reduced up to 50% for modified asphalt with CaCO₃ and 64% for modified asphalt with Al²O₃. The softening point of modified asphalt binders was increased up to 11 and 12% for both modifiers respectively compared with the base asphalt binder. Also, the results showed that the storage stability of modified asphalt binders with CaCO₃ and Al²O₃ nanoparticles was less than 2.5 °C, which indicates that the asphalt binder and the modifiers having great compatibility. The evaluation of the complex shear modulus of modified asphalt binders shows that the stiffness (G*) was increased with addition increase of both modifiers, and the best performance of asphalt binder was found with the addition of 5% of both nanoparticles. As a result, the use of CaCO₃ and Al²O₃ nanoparticles can be considered a suitable alternative additive to modify asphalt binder.

http://www.lupinepublishers.com/civil-engineering-journal/fulltext/evaluation-of-the-performance-of-asphalt-binder-modified-with-nanoparticles.ID.000104.php

https://www.lupinepublishers.com/civil-engineering-journal/abstracts/evaluation-of-the-performance-of-asphalt-binder-modified-with-nanoparticles.ID.000104.php

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Advanced Ventilation Systems-Theory,Practice, Limitations and Solutions (TCEIA)- Lupine Publishers

Advanced Ventilation Systems-Theory,Practice, Limitations and Solutions (TCEIA)- Lupine Publishers

The task of HVAC systems is to offset indoor thermal load and/ or ventilation load. Indoor thermal load can be offset by either convective-dominant way or radiant-dominant way. In convective dominant way, system recirculated air (RA) is thermally conditioned in term of temperature and humidity. Indoor ventilation load has to be offset by convective dominant way, in which outdoor air is filtered, thermally conditioned and thus it becomes fresh air (FA) to dilute indoor pollutants such as CO2. FA can be supplied in different ways separately or compositely with RA, which is the main focus of this paper.

https://www.lupinepublishers.com/civil-engineering-journal/fulltext/advanced-ventilation-systems-theory-practice-limitations-and-solutions.ID.000103.php 

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A Reduced Lagrange Multiplier Method for Dirichlet Boundary Conditions in Isogeometric Analysis (TCEIA) - Lupine Publishers

A Reduced Lagrange Multiplier Method for Dirichlet Boundary Conditions in Isogeometric Analysis by Shuohui Yin in TCEIA in Lupine Publishers

Although the well-known standard Lagrange multiplier method (LMM) can even produce higher accuracy and easier implementation than other conventional schemes (e.g., the modified variational principle, the Nitsche's method), however it inherently owns many difficulties in solving the system of discretized equations, mainly caused by new unknown Lagrange multipliers. The LMM naturally increases the problem size and leads to a poorly conditioned matrix equation. The singularity is also often encountered because of inappropriate selection of interpolation space for the Lagrange multiplier. In this paper, we propose an improved method, called reduced Lagrange multiplier method, which can overcome such drawbacks raised by the LMM in treating the Dirichlet-type boundary conditions in terms of Isogeometric Analysis. By simply splitting the system equations into boundaries and interior groups, the size of system equations derived from the LMM is reduced; no additional unknowns have been added into the resulting system of equations; the Lagrange multiplier is hence disappeared; and more importantly the singular problem mentioned is avoided. The accuracy and convergence rates of the proposed method are studied through three numerical examples, exhibiting all the desirable features of the method. Optimal convergence rate and high accuracy for the present method is found.

http://www.lupinepublishers.com/civil-engineering-journal/fulltext/a-reduced-lagrange-multiplier-method-for-dirichlet-boundary-conditions-in-isogeometric-analysis.ID.000102.php

http://www.lupinepublishers.com/civil-engineering-journal/abstracts/a-reduced-lagrange-multiplier-method-for-dirichlet-boundary-conditions-in-isogeometric-analysis.ID.000102.php

Nanotechnology in Concrete: Small Things Shape a Great Future (TCEIA)- Lupine Publishers

Nanotechnology in Concrete: Small Things Shape a Great Future by Baoguo Han  in TCEIA in Lupine Publishers


Concrete changes the world. Nanotechnology changes the concrete world. The nano-engineered concrete can be intelligent, strong, durable, easy to fabricate, recyclable and eco-friendly. Its potential benefits include improved infrastructures reliability and longevity, enhanced structural performance and durability, improved safety against natural hazards and vibrations, reduced lifecycle costs in operating and managing infrastructures, and reduced burdens on resources, energy and environment.

https://www.lupinepublishers.com/civil-engineering-journal/fulltext/nanotechnology-in-concrete-small-things-shape-a-great-future.ID.000101.php

https://www.lupinepublishers.com/civil-engineering-journal/abstracts/nanotechnology-in-concrete-small-things-shape-a-great-future.ID.000101.php

Trends in Civil Engineering and its Architecture (TCEIA) (ISSN: 2637-4668) - Lupine Publishers

Trends in Civil Engineering and its Architecture (TCEIA) - Lupine Publishers

Trends in Civil Engineering and its Architecture (TCEIA) welcomes highly qualified articles to promote major advances in Civil Engineering and its Architecture. The Journal covers processing, application, designing, development and performance if construction materials in civil engineering. The prime criterion for considering publication of manuscripts in our journal is whether the studies provide major advances into answering important questions relevant to constructional engineering. Topics included are Trends in Civil engineering, Coastal Engineering, Geotechnical Engineering, Geo-spatial Engineering, Highway Engineering, Railroad Engineering, Tunnel Engineering, Structural Mechanics, Building Construction Materials, Concrete Technology, Fluid Mechanics, Construction and Project Management, Information Technology etc. TCEIA particularly welcomes Original Research Papers which are original and unpublished in other Journals it also accepts Mini Reviews, Review Articles, Opinions, Editorials, etc. TCEIA is also interested in publishing manuscripts on designing part, in specific which leads to establishing new constructions with the use of material science knowledge. The journal accepts submissions from wide range of disciplines of both practical and theoretical studies. Contributions from both students and industry are equally supported.