Vízügyi Közlemények, 1935 (17. évfolyam)

Kivonatok, mellékletek - Kivonat a 4. számhoz

I THE GRANARY OF THE DUTY-FREE HARBOUR OF BUDAPEST. By J. DIETER. Downstream from Budapest, at the nothern end of the Csepel Island, an area of about 600 hectares is reserved for harbour-purposes (fig. 1). Here, in 1926— 1928, the duty-free harbour was constructed. The harbour consists, for the present, of two basins witli separate entrances from the open Danube : the commercial and the petroleum basin (fig. 2). Beside the former stands a granary of great capacity, built of reinforced concrete. The granary consists of three main parts : the silo, the magazine and the engine house (fig. 3—4). The silo has a capacity of about 11.000 tons, and contains 18 large cells of octagonal shape and 10 smaller square cells. This part principally serves for storing great consignments of corn. The height of storage is 25 metres. The magazine lias ten storeys, each floored with flat slabs computed to carry corn to a height of 2 metres in the boxes placed between the piers. This part serves for storing smaller consignments. The capacity of the whole magazine is 21.000 tons. The engine house is of 13 storeys and contains the mechanical equipment needed for the operation of the granary. As the basement of the building was placed below the maximum flood level of the Danube, protection against percolating water, and drainage had to be provided. The building is constructed for storing agricultural products, especially grain, and rapid and inexpensive handling of products by means of a movable suction-elevator and loading bridge, and the mechanical equipment placed in the machine house. These devices render it possible to unload products from barges and from wagons, to weigli them automatically, store, clean, and aerate them, and load them again into wagons and barges. There are four separate conveying equipments in the granary, and the hourly capacity of each being 100 tons, 400 tons of corn per hour can be transported. Similarly, the movable elevator of four suction pipes has a capacity of 100 tons per hour. The mechanical equipment of the granary is driven by electricity. Some important details are shown in figure 6 and in photos 13—25. The writer treats of the leading principles employed for computing the construction of the granary, and describes some characteristic structures in reinforced concrete, dealing separately with the foundation plate, the silo, the piers, the 2*