Maintenance of high dissolved oxygen (DO) level in harbours is highly important as it could give rise to catastrophic effects if it is depleted affecting day- to- day port functions such as dredging activities and other ...
As in other developing countries construction industry in Sri-Lanka is weak. Although there are large number of small contractors throughout the country, their plight is not satisfactory compared to other grades. Though ...
The cost control process is an important element, in the contractor's organization. It is primarily intended to identify cost deviations from the original cost plan. Ultimately it facilitates construction organizations to ...
This research was done to find an alternative for river sand for concrete, mortar and
plaster. Offshore sand, quarry dust and manufactured sand were considered as alternatives and offshore sand was taken as the most ...
Development of new infrastructure, providing social services efficiently and effectively, and better targeting of services to those in most need, are critical to alleviate poverty and provide economic opportunities for the ...
The most important aim of expert systems is to emulate the expert. The majority of existing expert systems for design try to achieve this by integrating the phases of the design process within one software environment thus ...
Preparation of tender documents is carried out as an essential activity In accomplishment of procurements. In procurement situation, improvement of work practices can predominantly take place time. Adoption of standardised ...
Regulation of water resources systems has become increasingly complex during the recent decades and there is evidence that the process will become more so in future. In the Mahaweli Project Systems, especially in a country ...
This study was investigated the utilization of phytoremediation strategies to remove nitrogen, phosphorus and heavy metals (Fe, Al, M n and Ni) from wastewaters by water hyacinth {Eichhornia crassipes [Mart.] Solms). Batch ...
Traditionally public transport has been perceived as the less desirable alternative tothe car. The common argument of using public transport has not led to a significant
increase in the usage of public transport. In order ...
In Sri Lanka most of the road and bridge construction works are handled by a contractor and
supervised by a consultant. Road Development Authority of Sri Lanka (RDA) is the client
organization for the National roads ...
This research aims at developing runoff hydrographs, for Attanagalu Oya catchments. The respective calculations involved ere efficiently done on a personal computer.
The calculation of the rainfall excess which is an ...
Pedestrians are legitimate users of the transportation system and they should, therefore, be able to use this system safely and without unreasonable delay. Pedestrians have a right to cross roads safely, Planers and ...
Road traffic injuries are a critical public health problem in Sri Lanka. As social and financial costs of traffic injuries are colossal. There is an urgent need to inquire about the number of accidents. A significant number ...
Most products have service elements, just as most services have product elements. Thus client satisfaction is a formulation of both product and service quality. However, whilst reviewing literature pertaining to the ...
There are different construction methods practiced in the bridge industry to erect bridge super structures. Among these, segmental Box-girder is the latest trend in the
industry, which facilitates fast, versatile construction. ...
The two-storeyed house is very popular now and its usage has overflown from Colombo and suburbs, to most provincial towns and their suburbs. It has come to stay because of: (a) escalating land prices due to increased demand ...
This thesis is concerned with various investigations relating to time series analysis and forecasting. Particular attention is given to fractional differencing and its applications to long memory time series models.
Chapter ...
Information on streamflow is a central component for water resource and water quality engineering and management. A majority of stream reaches which require discharge information are ungauged. Therefore a comparative study ...
Environment issues have played an important part in recent years at the public debates because the human family and environment faced a common challenge of surviving. Anew approach to environmental protection is now available ...