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Browsing Departmental Conferences by Conference Proceedings "4th Annual Conference on Towards the Sustainable Management of Earth Resources - A Multidisciplinary Approach"

Now showing items 1-13 of 13

Calcite and dolomite mineralization in the area around Balangoda and critical analysis of mining methods and utilization of the deposits

Jayatissa, MDCP; Urapola, MOA; Perera, PAAP; Manojh Kumar, M.; Chandrakumara, GAK; Weerawarnakula, S; Abeysinghe, AMKB [Conference-Full-text]

Among the industrial minerals found in Sri Lanka Calcium and Magnesium Carbonate bearing minerals and rocks play a major role in local industry. Crystalline Dolomite and Calcite found in metamorphic terrains are used in ...
Design and fabrication of cable bolt for excavation in a fractured rock

Dhanawardana, YLC; Siriwardana, HDPM; Henderson, SH; Kumara, HMCP; Indika, KAS; Dharmaratne, PGR; Welideniya, HS; Rohitha, LPS [Conference-Full-text]

In fractured rock masses, large excavations have an unsupported stand-up times less than the minimum time required to support the roof after the excavation. Therefore, the principal objective in the design of a support ...
Determination of uniaxial compressive strength using point load index of high grade metamorphic rocks from western Sri Lanka

Thushanthan, K; Udayantha, BVM; Chathuranga, SAKS; Dissanayaka, VAKA; Karunananthasivam, L; Jayasekara, JMEPK; Puswawela, UGA; Samaradivakara, GVI [Conference-Full-text]

This research is focused on finding the correlation of unconfined compressive strength (UCS) with Point load Index (PLI) of gneissic rocks, and to propose proper correlating value, based on a study carried out for Sri ...
Development of a flood hazard zonation map for "Kalu Ganga" basin by GIS modelling

Welivitiya, WDDP; Jayasingha, JMHCB; Musheen, MK; Saputhanthri, SV; Samaranayake, TDNT; Seneviratne, A; Dissanayake, DMDOK [Conference-Full-text]

"Kalu ganga" (river) is one of the major rivers in Sri Lanka situated in south-western part of the country. Kalu ganga basin area is a highly populated area comprising urban centres and agricultural fields. River floods ...
Development of oceanographic information dissemination system; an application of web GIS

Senevirathne, AMNKB; Pathirage, PU; Wijerathne, HKP; Kuhatheepan, S; Kuperajah, N; Rajapaksha, JK; Abeysinghe, AMKB [Conference-Full-text]

It is an essential requirement to promote offshore fishing activities systematically to protect the coastal fishery resources, which are in optimal level of exploitation One of the alternatives available is to divert ...
Editing a digital elevation model to achieve a correct stream network: an application to Kalu-Ganga River in Sri Lanka

Nandalal, HK; Ratnayake, UR [Conference-Full-text]

Modelling a watershed accurately is an important step in water management. Geographic Information Systems (GIS) together with mathematical models have made modelling watersheds an easy task. Digital Elevation Model (DEM) ...
Effects of joint orientation in tunneling

Selvasekaran, R; Appuhami, KAIS; Kumarasiri, SAJ; Fernandopulle, SN; Lakmal, HMAG; Dharmaratne, PGR [Conference-Full-text]

This research is focused on the effects of joint orientation with respect to the direction of tunnel axis. It is expected that the stability of surrounding rock is affected by the strike and dip of the joints and the ...
Hydrological analysis of Sooriyawewa area using remote sensing and GIS techniques

Senanayake, IP; Dissanayake, DMDOK; Puswewala, UGA [Conference-Full-text]

Sri Lanka is traditionally divided into three main zones namely Wet Zone, Intermediate Zone and Dry Zone according to the average annual rainfall. The dry zone of Sri Lanka is very often faced with severe drought conditions ...
Impacts of salt water intrusion on construction aggregates of 'Kalu ganga' estuary

Silva, KBA; Kumara, IGIK; Rathnayake, NP [Conference-Full-text]

'Kalu Ganga' is one of the main suppliers of river sand (113,360 cubes per year) in the country. Due to the continuation of sand mining, salt water intrusion has been increased over the years. The focus of the current ...
Operational hydrodynamic numerical model covering Sri Lanka waters

Girihagama, RWRHMRLNK; Dissanayake DMSS; Wijerathne EMS; Rathnayake NP [Conference-Full-text]

As a part of ongoing project on development of operational hydrodynamic model covering Sri Lanka Waters and Northern Indian Ocean (67.5- 99.5 E and 1.5 S to 24.5 N), we employed a Princeton Ocean Model, NOAA (POM 08) ...
Proceedings of 4th Annual Conference on Towards the Sustainable Management of Earth Resources - A Multidisciplinary Approach [Pre Text]

Karunaratne, S [Conference-Full-text]
Selection of an effective substrate to treat gray water in horizontal flow constructed wetlands

Thirukumaran, AK; Ehamparam, S; Darmini, S; Karunarathne, S [Conference-Full-text]

A study was carried out to compare the performances of different substrates used in a laboratory scale subsurface flow constructed wetland systems to treat gray water released from the university staff canteen. Three ...
Ventilation of underground workings and improvement of comfort levels

Hewage, SC; Rajapakse, RAAC; Rathnayake, RMD; Prasanna, EAP; Dissanayake, DMAK; Dharmaratne, PGR; Welideniya, HS; Rohitha, LPS [Conference-Full-text]

Ventilation of underground mines is required to dilute and hazardous gases, control heat and provide oxygen for workers and machinery. Kahatagaha- Kolongaha mines, Dodamgaslanda was selected for the present study as ...

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Browsing Departmental Conferences by Conference Proceedings "4th Annual Conference on Towards the Sustainable Management of Earth Resources - A Multidisciplinary Approach"

Browsing Departmental Conferences by Conference Proceedings "4th Annual Conference on Towards the Sustainable Management of Earth Resources - A Multidisciplinary Approach"

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