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68-599: The Hatadage is located in the ancient city of Polonnaruwa , in the North Central province of Sri Lanka . It is close to the northern edge of the Dalada Maluva there, the quadrangular area which contains some of the oldest and most sacred monuments of the city. Its entrance, which is oriented to the south, directly faces the entrance of the Polonnaruwa Vatadage . The Galpotha stone inscription

136-409: A World Heritage Site by UNESCO . Near the ancient city, there is a small town with several hotels and some glossy shops, and places to fulfil day-to-day needs. There are government institutions in a newly built area called “New Town,” about 6 km away from the town and the main road. The largest school in the district, Polonnaruwa Royal Central College is situated in the new town. Polonnaruwa

204-400: A road use tax , is payable on some vehicles used on the public road. The definition of a road depends on the definition of a highway; there is no formal definition for a highway in the relevant Act. A 1984 ruling said "the land over which a public right of way exists is known as a highway; and although most highways have been made up into roads, and most easements of way exist over footpaths,

272-411: A single carriageway road is converted into dual carriageway by building a second separate carriageway alongside the first, it is usually referred to as duplication , twinning or doubling . The original carriageway is changed from two-way to become one-way, while the new carriageway is one-way in the opposite direction. In the same way as converting railway lines from single track to double track ,

340-457: A 25 to 50 millimeter hole through the pavement into the sub-base with a dry-bit roto-hammer . Next, a two-part epoxy is poured into the hole – dyed for visual clarity. Once the epoxy hardens, technicians drill through the hole. If a void is present, the epoxy will stick to the core and provide physical evidence. Common stabilization materials include pozzolan -cement grout and polyurethane. The requirements for slab stabilization are strength and

408-650: A Chola province. However, following the year 1070 AD ended the Chola rule in the island, and Polonnaruwa was captured by Vijayabahu I of Polonnaruwa also known as Vijayabahu the great. Starting from Mahanagakula on the south of the Walawe river , Vijayabahu dispatched three armies to attack Polonnaruwa from three fronts. One army was sent along the western shore of the country to the port of Mahathittha to deal with any reinforcements arriving from South India. Afterwards, part of this army moved towards Polonnaruwa and attacked from

476-614: A May 2009 report by the American Association of State Highway and Transportation Officials (AASHTO) and TRIP – a national transportation research organization – driving on rough roads costs the average American motorist approximately $ 400 a year in extra vehicle operating costs. Drivers living in urban areas with populations more than 250,000 are paying upwards of $ 750 more annually because of accelerated vehicle deterioration, increased maintenance, additional fuel consumption , and tire wear caused by poor road conditions. When

544-419: A double-wheeled, steel roller to insert the rod to the desired depth. After inserting the backer rod, the sealant is placed into the joint. There are various materials to choose for this method including hot pour bituminous liquid, silicone and preformed compression seals. Careful design and construction of roads can increase road traffic safety and reduce the harm (deaths, injuries, and property damage) on

612-413: A major two-level (and at one point, three-level) roadway in the downtown area, are being rebuilt with a designed service life of 100 years. Virtually all roads require some form of maintenance before they come to the end of their service life. Pro-active agencies use pavement management techniques to continually monitor road conditions and schedule preventive maintenance treatments as needed to prolong

680-428: A road as "a line of communication (travelled way) using a stabilized base other than rails or air strips open to public traffic, primarily for the use of road motor vehicles running on their own wheels", which includes "bridges, tunnels, supporting structures, junctions, crossings, interchanges, and toll roads, but not cycle paths". The Eurostat , ITF and UNECE Glossary for Transport Statistics Illustrated defines

748-494: A road as a "Line of communication (traveled way) open to public traffic, primarily for the use of road motor vehicles, using a stabilized base other than rails or air strips. [...] Included are paved roads and other roads with a stabilized base, e.g. gravel roads. Roads also cover streets, bridges, tunnels, supporting structures, junctions, crossings and interchanges. Toll roads are also included. Excluded are dedicated cycle lanes." The 1968 Vienna Convention on Road Traffic defines

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816-510: A road as the entire surface of any way or street open to public traffic. In urban areas roads may diverge through a city or village and be named as streets, serving a dual function as urban space easement and route. Modern roads are normally smoothed, paved, or otherwise prepared to allow easy travel . Part 2, Division 1, clauses 11–13 of the National Transport Commission Regulations 2006 defines

884-524: A road in Australia as 'an area that is open to or used by the public and is developed for, or has as one of its main uses, the driving or riding of motor vehicles.' Further, it defines a shoulder (typical an area of the road outside the edge line, or the curb) and a road-related area which includes green areas separating roads, areas designated for cyclists and areas generally accessible to the public for driving, riding or parking vehicles. In New Zealand,

952-488: A small chamber, 27 feet (8.2 m) in length and 21 feet (6.4 m) in width. The base of its walls are decorated with designs of lotus flowers and lions. This chamber contains six stone columns and a staircase that had led to the upper floor. The square shaped main chamber is located to the rear of this outer chamber. Each of its sides are 35 feet (11 m) in length and contains four windows. The chamber had contained sixteen stone columns, although only three now remain. At

1020-432: Is 40 years for new bitumen and concrete pavement. Maintenance is considered in the whole life cost of the road with service at 10, 20 and 30-year milestones. Roads can be and are designed for a variety of lives (8-, 15-, 30-, and 60-year designs). When pavement lasts longer than its intended life, it may have been overbuilt, and the original costs may have been too high. When a pavement fails before its intended design life,

1088-433: Is a non-destructive method of solving this problem and is usually employed with other concrete pavement restoration methods including patching and diamond grinding. The technique restores support to concrete slabs by filing small voids that develop underneath the concrete slab at joints, cracks or the pavement edge. The process consists of pumping a cementitious grout or polyurethane mixture through holes drilled through

1156-487: Is also common. Some road fixtures such as road signs and fire hydrants are designed to collapse on impact. Light poles are designed to break at the base rather than violently stop a car that hits them. Highway authorities may also remove larger trees from the immediate vicinity of the road. During heavy rains, if the elevation of the road surface is not higher than the surrounding landscape, it may result in flooding. Speed limits can improve road traffic safety and reduce

1224-485: Is another common procedure used to locate voids. It is recommended to do this testing at night as during cooler temperatures, joints open, aggregate interlock diminishes and load deflections are at their highest. Ground penetrating radar pulses electromagnetic waves into the pavement and measures and graphically displays the reflected signal. This can reveal voids and other defects. The epoxy/core test, detects voids by visual and mechanical methods. It consists of drilling

1292-418: Is discovered it is removed, moisture content is managed and replaced with standard fill compacted to meet the design requirements (generally 90–95% relative compaction). Blasting is not frequently used to excavate the roadbed as the intact rock structure forms an ideal road base. When a depression must be filled to come up to the road grade the native bed is compacted after the topsoil has been removed. The fill

1360-451: Is made by the "compacted layer method" where a layer of fill is spread then compacted to specifications, under saturated conditions. The process is repeated until the desired grade is reached. General fill material should be free of organics , meet minimum California bearing ratio (CBR) results and have a low plasticity index . The lower fill generally comprises sand or a sand-rich mixture with fine gravel, which acts as an inhibitor to

1428-745: Is near its eastern side, while the Atadage lies to its west. The Hatadage was built by King Nissanka Malla (1187–1196), as a shrine to house the Relic of the tooth of the Buddha . Several historical sources including the Rajaveliya , Poojavaliya and the Galpotha inscription itself mention that it was built in sixty hours. Since the Sinhalese word Hata means sixty and Dage means relic shrine, it

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1496-570: Is of unknown origin. Its Tamil form, Pulainari , is mentioned in Tamil inscriptions of the Chola dynasty found at Polonnaruwa. The name was perhaps a contraction of its ancient name Pulastya nagara or Pulatti nakaram meaning city of the Hindu sage Pulastya . It was renamed under Chola rule as Jananathapuram or Jananathamangalam . The place was later known as Vijayarajapuram as mentioned in

1564-420: Is possible that the structure was named Hatadage to commemorate this feat. Another theory is that it is so named because it held sixty relics. The tooth relic was presumably kept in the upper storey. The shrine is surrounded by a stone wall, 120 feet (37 m) long and 90 feet (27 m) wide. On its southern side is a doorway decorated with stone carvings, leading to a stone paved terrace. The main entrance to

1632-571: Is primarily due to environmental effects such as frost heaves , thermal cracking and oxidation often contribute, however accumulated damage from vehicles also contributes. According to a series of experiments carried out in the late 1950s, called the AASHO Road Test , it was empirically determined that the effective damage done to the road is roughly proportional to the fourth power of axle weight . A typical tractor-trailer weighing 80,000 pounds (36.287 t ) with 8,000 pounds (3.629 t) on

1700-522: Is some ambiguity between the terms highway and road . For the purposes of the English law , Highways Act 1980 , which covers England and Wales but not Scotland or Northern Ireland , road is "any length of highway or of any other road to which the public has access, and includes bridges over which a road passes". This includes footpaths, bridleways and cycle tracks, and also road and driveways on private land and many car parks. Vehicle Excise Duty ,

1768-410: Is taken to preserve reference Benchmarks Roads are designed and built for primary use by vehicular and pedestrian traffic. Storm drainage and environmental considerations are a major concern. Erosion and sediment controls are constructed to prevent detrimental effects. Drainage lines are laid with sealed joints in the road easement with runoff coefficients and characteristics adequate for

1836-593: Is the main town of Polonnaruwa District in North Central Province, Sri Lanka . The modern town of Polonnaruwa is also known as New Town, and the other part of Polonnaruwa remains as the royal ancient city of the Kingdom of Polonnaruwa . The second oldest of all Sri Lanka 's kingdoms, Polonnaruwa was first established as a military post by the Sinhalese kingdom. It was renamed Jananathamangalam by

1904-546: Is the native material underneath a constructed road. Road construction requires the creation of an engineered continuous right-of-way or roadbed , overcoming geographic obstacles and having grades low enough to permit vehicle or foot travel , and may be required to meet standards set by law or official guidelines. The process is often begun with the removal of earth and rock by digging or blasting, construction of embankments , bridges and tunnels , and removal of vegetation (this may involve deforestation ) and followed by

1972-425: Is the second largest city in North Central Province , but it is known as one of the cleanest and more beautiful cities in the country. The green environment, amazing ancient constructions, Parakrama Samudra (a huge lake built in 1200), and attractive tourist hotels and hospitable people, make it a tourism hotspot. Another draw for tourists is the city's population of toque macaques . The monkeys have been living in

2040-559: Is usually stripped and stockpiled nearby for rehabilitation of newly constructed embankments along the road. Stumps and roots are removed and holes filled as required before the earthwork begins. Final rehabilitation after road construction is completed will include seeding, planting, watering and other activities to reinstate the area to be consistent with the untouched surrounding areas. Processes during earthwork include excavation, removal of material to spoil, filling, compacting, construction and trimming. If rock or other unsuitable material

2108-583: The Chola dynasty after their successful invasion of the country's then capital, Anuradhapura, in the 10th century. The Ancient City of Polonnaruwa has been declared a World Heritage Site. Modern Polonnaruwa is undergoing a major development project known as the "Awakening of Polonnaruwa," championed by former President Maithripala Sirisena . It envisions the development of all sectors in Polonnaruwa including roads , electricity , agriculture , education , health and environment. The name Polonnaruwa

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2176-406: The land zoning and storm water system. Drainage systems must be capable of carrying the ultimate design flow from the upstream catchment with approval for the outfall from the appropriate authority to a watercourse , creek , river or the sea for drainage discharge. A borrow pit (source for obtaining fill, gravel, and rock) and a water source should be located near or in reasonable distance to

2244-422: The ability to flow into or expand to fill small voids. Colloidal mixing equipment is necessary to use the pozzolan-cement grouts. The contractor must place the grout using a positive-displacement injection pump or a non-pulsing progressive cavity pump. A drill is also necessary but it must produce a clean hole with no surface spalling or breakouts. The injection devices must include a grout packer capable of sealing

2312-521: The average US motorist pays about $ 335/year. In contrast, the average motorist pays about $ 171/year in road maintenance taxes (based on 600 gallons/year and $ 0.285/gallon tax). Distress and serviceability loss on concrete roads can be caused by loss of support due to voids beneath the concrete pavement slabs. The voids usually occur near cracks or joints due to surface water infiltration . The most common causes of voids are pumping, consolidation, subgrade failure and bridge approach failure. Slab stabilization

2380-867: The center of this chamber are three standing Buddha statues carved from granite. These are also partially destroyed. The statue in the middle is 9 feet (2.7 m) in height, while the other two are 7.5 feet (2.3 m) each. A 3D documentation done by the Zamani Project of the Hatadage in Polonnaruwa was carried out in 2019. 7°56′52″N 81°00′06″E  /  7.94774°N 81.00153°E  / 7.94774; 81.00153 Polonnaruwa Poḷonnaruwa , ( Sinhala : පොළොන්නරුව , romanized:  Poḷonnaruva ; Tamil : பொலன்னறுவை , romanized:  Polaṉṉaṟuvai ) also referred as Pulathisipura and Vijayarajapura in ancient times ,

2448-551: The definition of a road is broad in common law where the statutory definition includes areas the public has access to, by right or not. Beaches, publicly accessible car parks and yards (even if privately owned), river beds, road shoulders (verges), wharves and bridges are included. However, the definition of a road for insurance purposes may be restricted to reduce risk. In the United Kingdom The Highway Code details rules for "road users", but there

2516-465: The design structural capacity, stop erosion or eliminate faulting. It does, however, restore the slab support, therefore, decreasing deflections under the load. Stabilization should only be performed at joints and cracks where the loss of support exists. Visual inspection is the simplest manner to find voids. Signs that repair is needed are transverse joint faulting, corner breaks and shoulder drop off and lines at or near joints and cracks. Deflection testing

2584-441: The first pathways were the trails made by animals has not been universally accepted; in many cases animals do not follow constant paths. Some believe that some roads originated from following animal trails. The Icknield Way may exemplify this type of road origination, where human and animal both selected the same natural line. By about 10,000 BC human travelers used rough roads/pathways. In transport engineering , subgrade

2652-416: The functional condition of the road while reducing the need for routing maintenance, leading to extended service life without increasing structural capacity. Older concrete pavements that develop faults can be repaired with a dowel bar retrofit , in which slots are cut in the pavement at each joint, and dowel bars are placed in the slots, which are then filled with concrete patching material. This can extend

2720-464: The growth of plants or other vegetable matter. The compacted fill also serves as lower-stratum drainage. Select second fill ( sieved ) should be composed of gravel , decomposed rock or broken rock below a specified particle size and be free of large lumps of clay . Sand clay fill may also be used. The roadbed must be "proof rolled" after each layer of fill is compacted. If a roller passes over an area without creating visible deformation or spring

2788-404: The highway system from traffic collisions. On neighborhood roads traffic calming , safety barriers , pedestrian crossings and cycle lanes can help protect pedestrians, cyclists, and drivers. Lane markers in some countries and states are marked with Cat's eyes or Botts dots. Botts dots are not used where it is icy in the winter, because frost and snowplows can break the glue that holds them to

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2856-580: The hole. The injection device must also have a return hose or a fast-control reverse switch, in case workers detect slab movement on the uplift gauge. The uplift beam helps to monitor the slab deflection and has to have sensitive dial gauges. Also called joint and crack repair, this method's purpose is to minimize infiltration of surface water and incompressible material into the joint system. Joint sealants are also used to reduce dowel bar corrosion in concrete pavement restoration techniques. Successful resealing consists of old sealant removal, shaping and cleaning

2924-404: The laying of pavement material. A variety of road building equipment is employed in road building. After design, approval , planning , legal, and environmental considerations have been addressed alignment of the road is set out by a surveyor . The radii and gradient are designed and staked out to best suit the natural ground levels and minimize the amount of cut and fill. Great care

2992-530: The life of the concrete pavement for 15 years. Failure to maintain roads properly can create significant costs to society. A 2009 report released by the American Association of State Highway and Transportation Officials estimated that about 50% of the roads in the US are in bad condition, with urban areas worse. The report estimates that urban drivers pay an average of $ 746/year on vehicle repairs while

3060-609: The lifespan of their roads. Technically advanced agencies monitor the road network surface condition with sophisticated equipment such as laser/inertial profilometers . These measurements include road curvature , cross slope , asperity , roughness , rutting and texture . Software algorithms use this data to recommend maintenance or new construction. Maintenance treatments for asphalt concrete generally include thin asphalt overlays, crack sealing, surface rejuvenating, fog sealing, micro milling or diamond grinding and surface treatments . Thin surfacing preserves, protects and improves

3128-537: The metropolises of Anuradhapura and Polonnaruwa by burning. Today the ancient city of Polonnaruwa remains one of the best-planned archaeological relic cities in the country, standing testimony to the discipline and greatness of the Kingdom's first rulers. Its beauty was also used as a backdrop to film scenes for the Duran Duran music video Save a Prayer in 1982. The ancient city of Polonnaruwa has been declared

3196-515: The new carriageway is not always constructed directly alongside the existing carriageway. Roads that are intended for use by a particular mode of transport can be reallocated for another mode of transport, i.e. by using traffic signs . For instance, in the ongoing road space reallocation effort, some roads (particularly in city centers) which are intended for use by cars are increasingly being repurposed for cycling and/or walking . Like all structures, roads deteriorate over time. Deterioration

3264-445: The northwest. A second army was sent from the east across Magama to attack Polonnaruwa from the east. The third and main force advanced across the country, led by the king. Surrounded by these three armies, Polonnaruwa was besieged for seven months before king Vijayabahu's forces entered the city. In 1070, Vijayabahu became the ruler of Polonnaruwa. At that time Sri Lanka was known as Thambapanni. Trade and agriculture flourished under

3332-477: The number of road traffic casualties from traffic collisions . In their World report on road traffic injury prevention report, the World Health Organization (WHO) identify speed control as one of various interventions likely to contribute to a reduction in road casualties. Road conditions are the collection of factors describing the ease of driving on a particular stretch of road, or on

3400-466: The other monarchs of Polonnaruwa were not as strong-willed and were prone to picking fights within their own court. They also went on to form more matrimonial alliances with stronger South Indian kingdoms until these matrimonial links superseded the local royal lineage. This prompted an invasion by the Aryacakravarti dynasty warlord Kalinga Magha in 1214, which saw the complete destruction of

3468-506: The owner may have excessive repair and rehabilitation costs. Some asphalt pavements are designed as perpetual pavements with an expected structural life in excess of 50 years. Many asphalt pavements built over 35 years ago, despite not being specifically designed as a perpetual pavement, have remained in good condition long past their design life. Many concrete pavements built since the 1950s have significantly outlived their intended design lives. Some roads like Chicago 's Wacker Drive ,

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3536-528: The patronage of the famous grandson of King Vijayabahu I of Polonnaruwa, king Prakramabahu the Great, who was so adamant that no drop of water falling from the heavens was to be wasted and each was to be used toward the development of the land. Hence, irrigation systems that are far superior to those of the Anuradhapura Age were constructed during Parakramabahu's reign – systems which to this day supply

3604-418: The pavement performance, reduce construction costs and decrease maintenance. The completed roadway is finished by paving or left with a gravel or other natural surface. The type of road surface is dependent on economic factors and expected usage. Safety improvements such as traffic signs , crash barriers , raised pavement markers and other forms of road surface marking are installed. According to

3672-576: The presence or absence of a made road has nothing to do with the distinction. Another legal view is that while a highway historically included footpaths , bridleways , driftways, etc., it can now be used to mean those ways that allow the movement of motor vehicles , and the term rights of way can be used to cover the wider usage. In the United States, laws distinguish between public roads , which are open to public use, and private roads , which are privately controlled. The assertion that

3740-404: The records of Jayabahu I , which probably was derived from the name of Vijayabahu I . Polonnaruwa has a Sinhalese majority. Muslims form the second largest group. There are also small numbers of Sri Lankan Tamils and Indian Tamils . Others include Burgher and Malay . Source: statistics.gov.lk Polonnaruwa was first established as a military post by the Sinhalese kingdom. And, it

3808-418: The reservoir, installing the backer rod and installing the sealant. Sawing, manual removal, plowing and cutting are methods used to remove the old sealant. Saws are used to shape the reservoir. When cleaning the reservoir, no dust, dirt or traces of old sealant should remain. Thus, it is recommended to water wash, sand-blast and then air blow to remove any sand, dirt or dust. The backer rod installation requires

3876-494: The road conditions". Specific aspects of road conditions can be of particular importance for particular purposes. For example, for autonomous vehicles such as self-driving cars , significant road conditions can include "shadowing and lighting changes, road surface texture changes, and road markings consisting of circular reflectors, dashed lines, and solid lines". Various government agencies and private entities, including local news services, track and report on road conditions to

3944-399: The road construction area may be marked for retention. These protected trees should not have the topsoil within the area of the tree's drip line removed and the area should be kept clear of construction material and equipment. Compensation or replacement may be required if a protected tree is damaged. Much of the vegetation may be mulched and put aside for use during reinstatement. The topsoil

4012-512: The road construction site. Approval from local authorities may be required to draw water or for working (crushing and screening) of materials for construction needs. The topsoil and vegetation is removed from the borrow pit and stockpiled for subsequent rehabilitation of the extraction area. Side slopes in the excavation area not steeper than one vertical to two horizontal for safety reasons. Old road surfaces, fences, and buildings may need to be removed before construction can begin. Trees in

4080-473: The road, although they can be embedded in short, shallow trenches carved in the roadway, as is done in the mountainous regions of California. For major roads risk can be reduced by providing limited access from properties and local roads, grade separated junctions and median dividers between opposite-direction traffic to reduce the likelihood of head-on collisions. The placement of energy attenuation devices (e.g. guardrails, wide grassy areas, sand barrels)

4148-404: The roads of a particular locality, including the quality of the pavement surface , potholes , road markings, and weather . It has been reported that "[p]roblems of transportation participants and road conditions are the main factors that lead to road traffic accidents". It has further been specifically noted that "weather conditions and road conditions are interlinked as weather conditions affect

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4216-979: The ruins since the human occupation and continued to thrive there long after the humans left. Road A road is a thoroughfare for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets , whose primary function is to serve as public spaces, the main function of roads is transportation. There are many types of roads , including parkways , avenues , controlled-access highways (freeways, motorways, and expressways), tollways , interstates , highways , thoroughfares , and local roads. The primary features of roads include lanes , sidewalks (pavement), roadways (carriageways), medians , shoulders , verges , bike paths (cycle paths), and shared-use paths . Historically many roads were simply recognizable routes without any formal construction or some maintenance. The Organization for Economic Co-operation and Development (OECD) defines

4284-406: The section is deemed to comply. Geosynthetics such as geotextiles , geogrids , and geocells are frequently used in the various pavement layers to improve road quality. These materials and methods are used in low-traffic private roadways as well as public roads and highways. Geosynthetics perform four main functions in roads: separation, reinforcement, filtration, and drainage; which increase

4352-399: The shrine, which is also decorated with stone carvings and a sandakada pahana , is directly in front of it. Another smaller doorway is placed on the eastern side of the shrine. The shrine has had a wooden superstructure with a tiled roof. However, only the walls now remain. The walls of the shrine are made of brick, and the outer walls are covered with stone plates. The main entrance leads to

4420-437: The slab. The grout can fill small voids beneath the slab and/or sub-base. The grout also displaces free water and helps keep water from saturating and weakening support under the joints and slab edge after stabilization is complete. The three steps for this method after finding the voids are locating and drilling holes, grout injection and post-testing the stabilized slabs. Slab stabilization does not correct depressions, increase

4488-483: The steer axle and 36,000 pounds (16.329 t) on both of the tandem axle groups is expected to do 7,800 times more damage than a passenger vehicle with 2,000 pounds (0.907 t) on each axle. Potholes on roads are caused by rain damage and vehicle braking or related construction work. Pavements are designed for an expected service life or design life . In some parts of the United Kingdom the standard design life

4556-604: The water necessary for paddy cultivation during the scorching dry season in the east of the country. The greatest of these systems is the Parakrama Samudra or the Sea of Parakrama which was also used as a large sea-going ship anchorage via the Mahaweli River. The Kingdom of Polonnaruwa was completely self-sufficient during King Parakramabahu's reign. With the exception of his immediate successor, Nissankamalla I ,

4624-449: Was renamed Jananathamangalam by the Chola dynasty after their successful invasion of the country in the 10th century. Raja Raja Chola I built Vanavan Mahadevisvaram, a Shiva temple at Polonnaruwa named after his queen, which presently is known as Siva Devale . The temple among other contained Ganesha and Parvati statues of bronze . north and central parts of Sri Lanka was under this period ruled under Rajendra Chola I directly as

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