Civil and Environmental Engineering: المرسلات الحديثة
السجلات المعروضة 581 -- 600 من 851
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Real-time vibration-based structural damage detection using one-dimensional convolutional neural networks
( Academic Press , 2017 , Article)Structural health monitoring (SHM) and vibration-based structural damage detection have been a continuous interest for civil, mechanical and aerospace engineers over the decades. Early and meticulous damage detection has ... -
Optimization of linear zigzag insert metastructures for low-frequency vibration attenuation using genetic algorithms
( Academic Press , 2017 , Article)Vibration suppression remains a crucial issue in the design of structures and machines. Recent studies have shown that with the use of metamaterial inspired structures (or metastructures), considerable vibration attenuation ... -
Simulation-Based Condition Assessment Model for Sewer Pipelines
( American Society of Civil Engineers (ASCE) , 2017 , Article)Condition assessment models are considered as an evaluation tool that can be used by decision makers to accurately evaluate and assess the condition of pipes. Condition assessment of pipes helps in reaching better decisions ... -
Influence of particle morphology on 3D kinematic behavior and strain localization of sheared sand
( American Society of Civil Engineers (ASCE) , 2017 , Article)The constitutive behavior of sheared sand is highly influenced by particle morphology, gradation, mineralogy, specimen density, loading condition, stress path, and boundary conditions. The current literature lacks a ... -
A 10-step safety management framework for construction small and medium-sized enterprises
( Taylor and Francis Ltd. , 2017 , Article)It is of great importance to develop an occupational health and safety management system (OHS MS) to form a systemized approach to improve health and safety. It is a known fact that thousands of accidents and injuries occur ... -
Effects of amphiphilic pluronic F127 on the performance of PS/SPEEK blend ultrafiltration membrane: Characterization and antifouling study
( Elsevier Ltd , 2017 , Article)The effect of amphiphilic Pluronic F127 additive on the ultrafiltration performance of polysulfone (PSf)/sulfonated poly (ether ether ketone) (SPEEK) blend flat sheet membranes was investigated in the present work. Fixed ... -
Sensing and monitoring for stadium structures: A review of recent advances and a forward look
( Frontiers Media S.A. , 2017 , Article Review)Stadiums like those used for sporting or concert events are distinct from other civil engineering structures due to several different characteristics. Some challenges mainly originate from the interaction with the human ... -
Behaviour of fibre reinforced concrete using steel slag coarse aggregate produced in Qatar
( EDP Sciences , 2017 , Conference Paper)The state of Qatar suffers from the shortage of natural resources needed for concrete production. Therefore, it is essential to investigate the feasibility of using by-product recycled materials as aggregates to maintain ... -
Modeling travel behavior based on household characteristics
( EDP Sciences , 2017 , Conference Paper)This paper presents the relationship between travel behaviour based on demographic and socioeconomic characteristics of households in the City of Jericho, within the context of trips generation. The significance of this ... -
Development of a mobile application for manual traffic counts
( EDP Sciences , 2017 , Conference Paper)The use of technology in performing traffic counts has become widely used by many transportation agencies and private sectors. Different technologies have been employed to perform such counts, such as inductive loops, image ... -
Cost benefit analysis for failure of sewer pipelines
( EDP Sciences , 2017 , Conference Paper)Sewer pipelines failure in sewage networks can have adverse potential impacts on socio-economic aspects in any community. Due to the fact that it's difficult to capture the relationship between the physical and economical ... -
Dynamic Forces Induced by a Single Pedestrian: A Literature Review
( American Society of Mechanical Engineers (ASME) , 2017 , Article)With the use of lighter construction materials, more slender architectural designs, and open floor plans resulting in low damping, vibration serviceability has become a dominant design criterion for structural engineers ... -
The effect of track load correlation on ground-borne vibration from railways
( Academic Press , 2017 , Article)In predictions of ground-borne vibration from railways, it is generally assumed that the unevenness profile of the wheel and rail is fully correlated between the two rails and the two wheels of an axle. This leads to ... -
Changes of perceived unevenness caused by in-track vibration countermeasures in slab track
( Elsevier Ltd , 2017 , Article)This paper investigates the relation between unevenness at different locations in a railway track and the unevenness perceived by a train, for the particular case of a slab track. The different types of unevenness considered ... -
Mapping the Industrial Perception of Delay Data Through Importance Rating
( Springer Verlag , 2017 , Article)The construction industry is struggling with several recorded incidents of delay due to improper planning and/or implementation of required construction measures. The common conclusion by many researchers worldwide is that ... -
Fuzzy Logic-Based Model to Predict the Impact of Flow Rate and Turbidity on the Performance of Multimedia Filters
( American Society of Civil Engineers (ASCE) , 2017 , Article)This paper uses fuzzy logic-based models to predict and evaluate the performance of multimedia filters utilized in wastewater treatment. A fuzzy logic-based model is constructed and trained to predict the operating time ... -
Performance of modified self-healing concrete with calcium nitrate microencapsulation
( Elsevier Ltd , 2017 , Article)This study investigates the strength reduction associated with incorporating calcium nitrate microcapsules in concrete. It also proposes modifications to the calcium nitrate micro encapsulation procedure to minimize the ... -
Optimum carbon nanotubes' content for improving flexural and compressive strength of cement paste
( Elsevier Ltd , 2017 , Article)This study investigated the effect of multi-walled carbon nanotubes’ (MWCNTs) weight fraction on the setting time and mechanical properties of cementitious composites. Different cement mixes containing CNT-to-cement weight ... -
Performance of FRCM-Strengthened RC Beams Subject to Fatigue
( American Society of Civil Engineers (ASCE) , 2017 , Article)Fabric-reinforced cementitious matrix (FRCM) is a relatively new material system developed for the repair, retrofit, and rehabilitation of reinforced concrete (RC) and masonry structures. Structures such as bridges experience ... -
Underage driving and seat-belt use of high school teenagers in Qatar
( Taylor and Francis Inc. , 2017 , Article)Many crashes occur every year that involve drivers who are unlicensed and underage. One of the main challenges for traffic safety authorities is the lack of detailed information about this alarming phenomenon. This study ...
