Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 81 for “"TA401-492 Materials of engineering and construction. Mechanics of materials"”.
-
Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works
Road maintenance is an integral part of creating a good and safe road network. The quality of patching mixture is also seen as an important aspect. Existing bituminous mixture used for road maintenance tends to deteriorate after patching work is completed. This might be due to the differences in …
-
Strength prediction and durability performance of concrete containing coal bottom ash as supplementary cementitious material under aggressive environment
Strength prediction and durability of concrete under aggressive environment requires serious attention for all kind of significant concrete structures. However, concrete built with Ordinary Portland Cement (OPC), when exposed to the aggressive environment tends to deteriorate much faster than their …
-
Synthesis and characterization of polyaniline/magnetite nanocomposites for fabrication of nanofiber textile
… particles dispersed in the polymer matrix are of great interest for the optical and dielectric application. Polymer/inorganic composites such as polyaniline/magnetite nanocomposites (PAni/Fe3O4) can be manipulated through various treatments in fabricating desire material such as nanofibers …
-
Behavior of concrete-filled pvc tube columns under axial load
A concrete-filled tube (CFT) column system offers numerous advantages due to its large axial stiffness and capacity. In the system, steel is a common type of material and has been widely used. However, the application of FRP and PVC came into the picture as the alternative to the steel application …
-
Self compacting concrete containing polypropylene fibre and its behaviour as wall panel under cyclic load
… concrete, SCC, is a new innovation of high strength concrete which uses less aggregate, able to flow by itself and does not require compaction. These advantages make it the main choice as precast system which could speed up the construction time with less wastage at the construction …
-
Campuran abu kulit kupang (Perna Veridis) sebagai bahan gantian separa simen di dalam konkrit
… ialah 2.82 g/cm3 dan ujian XRF menunjukkan kandungan kalsium oksida (CaO) di dalam abu kulit kupang (71.5%) adalah lebih tinggi berbanding simen Portland biasa (57.2%). Masa pengerasan awal dan akhir bagi campuran pes menjadi semakin singkat apabila peratus campuran abu kulit kupang …
-
Experimental evaluation of new pipe sleeve with weep holes for concrete leakage prevention
… to contain moisture in its layer. The example of area that is mostly exposed to water is the bathroom. The water infiltrated and trapped in the mortar slab in the bathroom will eventually increase the moisture content of the mortar slab and will raise many problems such as the deterioration of …
-
Detection of multiple defects based on structural health monitoring of pipeline using guided waves technique
Monitoring and inspecting the health condition and state of the pipelines are significant processes for an early detection of any leaking or damages for avoiding disasters. Although most Non Destructive Test (NDT) techniques are able to detect and locate damage during the maintenance intervals, …
-
Experimental study and numerical modelling of woven fabric kenaf fiber composites hybrid adhesively bonded-bolted joints
… There are limited studies on structures response and strength prediction work on hybrid joints that limits its applicability. The aim of present study is to conduct experimental datasets on woven fabric kenaf fiber reinforced polymer (KFRP) and carbon fiber reinforced polymer (CFRP) composite …
-
Fatigue life and mechanical behaviour of aluminium alloy aa6061 chips prepared by hot extrusion process
The global engineering activities nowadays are focusing on green and eco-friendly innovations. This has made the recycled materials a lucrative research sector. A study on fatigue life and mechanical behaviour of aluminium alloy aa6061 chips prepared by hot extrusion process was undertaken in this …
-
Polylactic acid/thermoplastic tapioca starch blend incorporated with selected essential oils for active food packaging
The environmental effect of petroleum-based polymers and the activity of food spoilage microorganisms made researchers work on alternative bioactive packaging materials. This work aimed at producing sustainable thermoplastic tapioca starch (TPTS) and its polylactic acid (PLA) blend with …
-
Graphite immobilisation in glass composite materials
… graphite is a problematic nuclear waste stream and currently raises significant concern worldwide in identifying its long-term disposal route. This thesis describes the use of glass materials for the immobilisation of irradiated graphite prepared by microwave, conventional and sparks plasma …
-
Development of ADC14 hypereutectic ALSi alloy based composite reinforced with SiC , Al2O3 and TiB2 through stir casting
… contain Si more than 12.3 % (eutectic point), and possesses better mechanical properties than eutectic and hypoeutectic AlSi alloys. But the higher percentage of Si in the hypereutectic AlSi alloy caused to result primary and eutectic Si in microstructure during melting, which in turns to hitch …
-
A new empirical model to predict stress intensity factor for double interacting surface cracks located in hollow cylinder
Fracture in cylinders is one of the most popular types of failure. Owing to the impact of production processes, nondestructive testing, and severe operational conditions, etc., cracks exist. The cracks could be detected in single or multiple form, where multiple cracks considered among the …
-
A modified flower pollination algorithm and carnivorous plant algorithm for solving engineering optimization problem
… in an essential element in mechanical engineering and has never been an easy task. Hence, using an effective optimiser to solve these problems with high complexity is important. In this study, two metaheuristic algorithms, namely, modified flower pollination algorithm (MFPA) and …
-
Fabrication SiO2 -NiO foam via replication technique for steam methane reforming catalyst at low temperatures
Porous ceramic is a type of material that has highly open and partially interconnected pores. It has a wide range of applications, which include catalyst support, filtration, adsorption and separation.The aim of this study is to fabricate Silica-Nickel Oxide (SiO2-NiO) foams in the range 70 μm to …
-
Properties and environmental impact of recycling cigarette butts (CBs) in fired clay brick
Brick is one of the man-made building materials that have been used since the early human civilization. Due to the attractive appearance, strength and durability, it often used for construction, civil engineering works and landscape design. This study is focused on the effects of incorporating …
-
Characterization of nanostructures ZnO synthesized through hydrothermal method
ZnO nanostructures can be derived using a variety of techniques. Using hydrothermal synthesis, ZnO nanostructures can be produced easily on a large scale due to the low temperature involved. Among the factors that influence the crystallinity of ZnO nanostructures are types of alkaline solution, the …
-
Fabrication of 316L stainless steel (SS316L) foam via powder compaction method
… is the cellular structures that made from metal and have pores in their structures. Metal foam also known as the porous metals, which express that the structure has a large volume of porosities with the value of up to 0.98 or 0.99. Porous 316L stainless steel was fabricated by powder metallurgy …
-
Engineering properties of ring shaped polytheylene terephthalate (RPET) fiber self-compacting concrete
… plastic containers that are typically discarded, and thus, cause environmental pollution. To solve this problem, PET bottles are recycled in concrete. Previous studies have mostly used PET with straight or irregularly shaped fibers. It has been shown that PET has a weak interfacial bond with …
Page 1 of 5