The first lighthouses were built in the days when humanity was just beginning to make tentative steps towards the development of their native planet. For the convenience of navigators along the coasts navigation built high towers, on the tops of which are all-weather, day and night burning a fire alarm. According to it, the captains of the ships were able to understand how far away the shore, and thus save their ships from sinking on coastal rocks in conditions of inclement weather and sea storms.
One of the oldest and most famous lighthouses of Alexandria – awarded the title of “wonder of the world”. Erected in III century BC, it served as a guiding star Maritime ships, lighting up the night with bright flames, and the day – dense column of smoke. The technology of the first lighthouses was based on the use of various fuels – coal, rapeseed oil, kerosene. Subsequently flammable liquids were driven optical elements, the beacons were installed not only on land but also in water – the so-called sea or floating beacons. Continue reading
Advanced drainage systems for waterproofing of buildings and structures
Drainage systems are an essential part of any waterproofing, it solves the problem of relieving hydrostatic pressure from the waterproofing of building envelopes and particularly critical components. Selection of quality drainage extends the life of waterproofing material. The article considers the main types of drainage systems, their features and specifications.
Drainage and waterproofing various structural parts are the most relevant in construction practice. In the system of hydronamic need structures of various types: underground (tunnels, foundations, multi-level underground car Park), embedded (objects, warehouses, reservoirs and containers of various purpose, etc.) and accessible roof. Also it can be industrial buildings, civil engineering projects, hydraulic structures and ordinary cottages.
Excessive moisture and direct contact of the structures with moisture leads to the destruction and corrosion, which ultimately could lead to the destruction of the whole structure. Continue reading
Lithuania will give You a great experience preserved medieval buildings and architectural ensembles.
In Vilnius be sure to visit the famous Gediminas Castle, the Upper castle is the heart of the town, one of the first Gothic buildings Dating from the 13th century. Also of interest are the city wall with the gates of dawn, St Michael’s Church, some University house, a former elluminate and several houses. The churches of St. Casimir, Dominicans, Trinitarians, building quite massive domes designed in the Baroque style. A masterpiece of Vilnius Baroque should be considered built in the second half of the 18th century Church of St. Peter and St. Paul. The pinnacle of classicism should be the building of Vilnius Cathedral. In addition, the list of creations of classicism include the original building of the city hall, the former Governor’s Palace, hall of columns of the University, houses Oginski, Tyshkevicha, Chodkeviciai.
In Vilnius great number of museums, exhibition halls, Artillery Bastion (exposition of ancient weapons), Center for contemporary art, the national Museum, the national gallery, the Radziwill Palace, the amber Museum, and others. Continue reading