Abstract: An experimental investigation on effect of end sill on the performance of stilling basin models for a non circular pipe outlet has been presented in this research paper. New physical models for non circular pipe outlet stilling basin have been developed in the laboratory. These newly models were tested in the laboratory for three Froude numbers namely Fr = 1.85, 2.85 and 3.85. The new models are developed by changing the geometry of end sill of same height while keeping the other configuration of stilling basin geometry same. Total twenty one test runs of one hour duration each were performed. The performance of the models was compared by performance number (PN) to evaluate the performance. The study indicated that, for the given Froude number range, the triangular end sill of height 1d with width 1d (slope 1V:1H), is performing better in comparison to other shapes of the end sill for the given flow conditions. The study also confirmed that there is a significant effect of the shape of the end sill geometry on the performance of the stilling basin models.

Abstract: The Present study was carried out to evaluate the influence of addition of Fibres and Class ‘C’ Flyash on the mechanical properties of concrete. Fibre Reinforced Concrete (FRC) is very useful in extreme climate where shrinkage of concrete causes cracks. The Fibre Reinforced Flyash concrete (FRFAC) has been successfully used to minimize cavitations / damages in hydraulics structures. The FRC with and without Fly ash was tested with the fraction of volume of the steel Fibre in concrete which varied from 0.0 to 1.0%. For determining, the compressive strength & permeability cubes of 150 mm size were prepared. Nine cubes of each series were prepared; out of nine, three were used for determining the strength & permeability of cracked & un-cracked concrete. The formation of additional calcium silicate hydrates in the hydrated cement matrix because of the addition of fly ash in FRFAC results in its improved characteristics. The initial tangent modulus of FRC and FRFAC is found to be independent of the quantity of Fibers. The experimental investigation shows that the increase in the Fibre content increases the compressive strength, crushing strain and Poisson’s Ratio of FRC and FRFAC. While increasing the Fibre content, the permeability of concrete reduced. The mode of cracking has been discussed.

Abstract: The Squatter settlements in many of 21^st century urban cities are inevitable phenomena. Living condition in these settlements suffer from overcrowding, inadequate accommodation, limited access to clean water and sanitation, lack of proper waste disposal system and deteriorating air quality. Squatter settlements are increasingly seen by public decision-makers as ‘slums of hope’ rather than ‘slums of despair’. There is abundant evidence of innovative solutions developed by the poor to improve their own living environments. This paper will assess the question if ideas of contemporary architecture can be implemented in providing ecological living for squatter settlements, along with a discussion on probable suggestions in relation to their daily living pattern. The paper also presents several case studies of sustainable living in high-density urban areas and slum settlements in different context, finally concludes providing some strategies and policies that might be helpful to the policy makers in providing sustainable settlement for urban squatter dwellers.

Abstract: The role of project control is to create a system, procedures and tools to monitor and control project delivery. The performance measurement is carried out on continuous basis and action is taken to ensure that project performance objectives are achieved. Although considerable amount of planning and organizing is required at front end, actual monitoring takes place during implementation. Poor definition of control parameters in the front end leads to poor project control brief to the other project participants namely client, consultants and contractors It is required that project control planning should start from beginning to improve the project management efficiency. The research identifies the important project control factors in the project development stage. Two brainstorming sessions resulted in identification of 18 factors that are classified into five project control areas. Analytical hierarchy process as a group decision making tool was used to make a pair-wise comparison to assign weightage to each project control group and factor. The study of weight indicates that quality (32.71%) and safety (23.64%) controls are preferred over schedule (14.74%) and cost (12.48%). Weightage derived is used to create Project Control Index (PCI). Value of PCI helps to understand the level of project controls established in the project during project development on ongoing basis. Weights and PCI guides project manager in setting and achieving project objectives.

Abstract: This paper presents a comprehensive literature review, a novel pedagogical approach, and plans for developing and testing a collaborative learning environment built upon the capacity of new simulation technologies and augmented reality (AR) for improving sustainable and resilient building design. The project aims at integrating collaborative learning strategies with new simulation technologies and AR to provide a learning environment for interdisciplinary education of architecture, engineering, and construction (AEC).

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Abstract: The purpose of this paper is to evaluate the suitability of ceramic waste as a filler material in Semi-Dense Bituminous Concrete. A bituminous concrete mixes with ceramic dust and hydrated lime were prepared in different proportions (3% and 5%) as filler. The amount of optimum binder content was determined by Marshall Stability test for samples. The mechanical performance was determined for Marshall Stability, deformation behavior or flow, as well as for density and void characteristics base on prevailing Indian standards specifications. Results show that the stability values and other parameters of samples containing ceramic wastes are improved in comparison to conventional mineral filler. The benefits of using ceramic waste in bituminous concrete mixture as mineral filler (3-5%) are therefore recommended. The replacement of conventional filler like lime and other mineral in bituminous concrete by ceramic wastes will have major environmental benefits.

Abstract: Compliant structures like triangular tension leg platforms (TLPs) are proven to be highly cost effective in deep waters. The estimation of hydraulic forces due to waves on structural member of TLP is vital for its economic and safe design. In the current study, a numerical study for a triangular TLP using modified Morison equation was carried out in the time domain with water particle kinematics using Airy’s linear wave theory to investigate the effect of changing the tether tension force on the stiffness matrix of TLP's, the dynamic behavior of TLP's; and on the fatigue stresses in the cables. The effect was investigated for different parameters of the hydrodynamic forces such as wave periods, and wave heights. The numerical study takes into consideration the effect of coupling between various degrees of freedom. The stiffness of the TLP was derived from a combination of hydrostatic restoring forces and restoring forces due to cables. Nonlinear equation was solved using Newmark’s beta integration method. Only uni-directional waves in the surge direction was considered in the analysis.

Abstract: Pavements are subject to environmental conditions, which affect the performance of both flexible and rigid pavements. The current flexible pavement design system in Egypt relies primarily on the 1993 American Association of State Highway and Transportation Officials (AASHTO) Design Guide. The method has many limitations. One of the serious limitations is the empirical drainage layer coefficients. These coefficients in addition to the seasonal variation of the roadbed resilient modulus are the only environmental consideration in the method. The newly AASHTO released production version of the Mechanistic-Empirical Pavement Design Guide (MEPDG) which is called AASHTOWare Pavement ME Design was developed to overcome the limitations inherent in the AASHTO 1993 method. Unlike the AASHTO 1993 method, Pavement ME Design method considers the variation in moisture and temperature on the mechanical properties of the pavement layers. Thus, the main objective of this study was to develop the climatic data to facilitate the implementation of Pavement ME Design in Egypt and study its influence on the pavement performance. Pavement ME required climatic data which are the hourly air temperature, precipitation, wind speed, sunshine and relative humidity were collected for 16 climatic locations distributed all over Egypt for four years. The quality of the data was checked and verified and the data was transformed to the format required by the software. A typical flexible pavement section was simulated using the ME design at the 16 different climatic locations and the performance predicted using the ME Design was analyzed. The performance indicators predicted by Pavement ME are rutting, alligator fatigue cracking, longitudinal cracking, thermal cracking, and International Roughness Index (IRI). Results showed that the pavement performance is significantly affected by the change in the climatic data. As expected, for Egypt, the most significant influence was on the predicted rutting of the Asphalt layer.

Abstract: tension-leg platform (TLP) or extended tension leg platform (ETLP) is a vertically normally used for the offshore production of or , and is particularly suited for water depths greater than 300 meters and less than 1500 meters. The platform is permanently moored by means of tethers or tendons grouped at each of the structure's corners. A group of tethers is called a tension leg. A feature of the design of the tethers is that they have relatively high (low ), such that virtually all vertical motion of the platform is eliminated. This allows the platform to have the production on deck (connected directly to the subsea wells by rigid risers), instead of on the . This allows a simpler and gives better control over the production from the or , and easier access for down whole intervention operations. In this paper a numerical study for a square TLP using modified Morison equation was carried out in the time domain with water particle kinematics using Airy’s linear wave theory to investigate the effect of changing water density on the mass matrix of TLP's and the dynamic behavior of TLP's. The effect was investigated for different parameters of the hydrodynamic forces such as wave periods, and wave heights. The numerical study takes into consideration the effect of coupling between various degrees of freedom. The stiffness of the TLP was derived from a combination of hydrostatic restoring forces and restoring forces due to cables. Nonlinear equation was solved using Newmark’s beta integration method. Only uni-directional waves in the surge direction was considered in the analysis.