Secretary, State Ministry of Rural Roads and other Infrastructures Chairman, Green Building Council of Sri Lanka Office Address: Department of Civil Engineering, University of Peradeniya, Peradeniya,20400, Sri Lanka. [email protected] ra[email protected] +94-77-7809895, +94-81-2393581 Biography

investigate, the material waste in the Sri Lankan context and factors affecting concrete waste, involvement and current practices taken to minimize concrete waste, drivers and barriers occur when implementing contemporary practices in the Sri Lankan construction …

Recycling Internal curing 1. Introduction Autoclaved aerated concrete (AAC) is a type of porous lightweight building material widely used in wall insulation [1, 2] and is made of calcium-containing materials (cement and lime), silica-containing materials (quartz sand, fly ash, etc.), and an aerating agent [ 3].

Current status. For the last 20 years or so, government institutions have attempted to figure out the best waste management strategy for the country. While some policies and actions supported sanitary landfills, some …

Disposal of Solid Waste has become one of the major environmental issues in Sri Lanka. Dumping of garbage on road sides and sensitive areas such as wetlands, marshy lands, …

Autoclaved aerated concrete, or AAC is made by mixing cement, lime, fly ash, gypsum, water & aluminum powder the final mixture is poured in to a molds. The reaction between aluminum and lime causes micros pic …

Concrete Construction Services; Scrap Metal Services; Marine Contracting; Indigenous Engagement; Emergency Response & Crisis Management; Temporary Grandstands, …

Construction and Demolition (C&D) debris is a type of waste that is not included in municipal solid waste (MSW). Materials included in the C&D debris generation estimates are steel, wood products, drywall and …

Concrete recycling, using precast concrete elements instead of cast-in-situ concrete, implementing 5S which is one of lean construction technique that used to reduce and to manage the material been wastes within the sites, implementing value engineering techniques such as; instead of traditional formwork, using system formwork method, …

Autoclaved Aerated Concrete blocks are recently one of the newly adopted building materials. The Autoclaved aerated concrete (AAC) is a product of fly ash which is mixed with lime, cement,...

Glass recycling in Sri Lanka involves the use of scraps or wasted glass containers in flint and amber colour for the manufacturing of new glass containers. Glass Company of Sri Lanka manufactures glass containers and company also …

However, waste rubber can be used as a replacement of coarse and fine aggregates in concrete for paving blocks for use roadways and walkways. Previous studies have shown that adding waste rubber...

As of 2010, it was recorded that Sri Lanka generated 5.1 kilograms of waste per person per day and 0.24 to 0.64 million metric tonnes of marine debris per year. Those are …

In Sri Lanka, the cement industry was introduced four decades ago by the state and managed by the state until very recently. Sri Lanka is perhaps the only country …

8. Project Clean Lanka 3 | P a g e 7 Project Description 7.1 Aim and objectives Aim Establish an effective solid waste management system for Sri Lanka which suits to the social and economic behaviour of the country and implement a solid waste management plant to contribute to the country's economy. Objectives • Initiate an …

Construction and Demolition (C&D) debris is a type of waste that is not included in municipal solid waste (MSW). Materials included in the C&D debris generation estimates are steel, wood products, drywall and plaster, brick and clay tile, asphalt shingles, concrete, and asphalt concrete. These materials are used in buildings, roads and …

Recycling of wastewater thus occurs as water in the irrigation system is being used for agriculture. Keeping the ... Sri Lanka has constructed wastewater treatment plants in its major industrial parks. Treatment plants at Biyagama, Seethawaka, Horona and Greater Colombo (1st phase) have the capacity of treating 7.5, 9, 11 and 2.5 million cubic ...

Chairman, Civil Eng. Sectional Committee Institution of Engineers, Sri Lanka (IESL) (2018 - 2020) Vice Chairman, Green Building Council of Sri Lanka (2014 - 2016) Secretary, State Ministry of Urban Development (Nov. 2019 - June. 2020) Head, Civil Engineering, University of Peradeniya, Sri Lanka (2014 - 2017 Jan)

prevailing in Sri Lanka. The Construction Waste Management Centre (COWAM) is a waste re cycling site situated in Galle, Sri Lanka. The main objective of this project was to optimize the sustainable use and management of construction waste in Sri Lanka. According to the COWAM newsletter No.02 - March 2007, the concrete waste

Central Environmental Authority. 104, Denzil Kobbekaduwa Mawatha, Battaramulla, Sri Lanka. Tel: 011-2872419,011-2872278,011-2873447,011-2873448 Hotline: 011-2888999

Current status. For the last 20 years or so, government institutions have attempted to figure out the best waste management strategy for the country. While some policies and actions supported sanitary landfills, some initiatives were driven towards waste to energy projects. In 2008, CEA initiated a 10 year Waste Management Programme named ...

The typical form of AAC waste is crushed stone or powder. Present study is dealing with the possibilities of the recycling of AAC waste as concrete aggregate, prefabricated concrete tiles, concrete blocks, shuttering blocks and cement supplementary material.

The paper identifies why the recycling industry is deficient in Sri Lanka from the viewpoint of the integrated sustainable waste management model (ISWMM). ISWMM identifies from a broad perspective the complex and multi-dimensional challenges and solutions in the recycling industries in developing countries. The focus of this study is on …

In Sri Lanka, concrete and mortar showed 21% and 25% of wastage respectively due to the excess use of materials in rectification of inaccuracies (Jayawardane, 1994). The …

Autoclave Aerated concrete is cured in an autoclave – a large pressure vessel. An autoclave is normally a steel tube of 3m diameter and 45 meters long. Steam is fed into the autoclaved at high pressure, typically …

Using autoclaved aerated concrete AAC is available in blocks of various sizes, or more commonly, as reinforced panels sold as part of a complete building system that includes floor and roof panels, and interior and exterior walls. Wall panels are storey height, reinforced and mechanically fixed.

screed concrete 30% 10% Foundation rubble work 30% 6% Floor concrete 60% 20% Benefits Re-using salvaged building materials can provide significant cost savings for …

Cement block- manufacturing every size of blocks with two fully automated and computerized raw material input systems to establish highest quality products which are now being used in all of the Sanken Group Projects as we always maintain most competitive rates in the market.