Alexandrov’s entire bridge is grandiose in all respects; and its total length, and its height above the water, and the height of the abutments, counting from the base of the foundation, and the width of the spans - everything in it demonstrates extreme smoothness and masterful victory
*) English technical magazine “Eposhegto”.
— 104 over obstacles. We will report the main data concerning him - data obtained from the most reliable source.
The bridge is built in one way and has a sidewalk for pedestrians; it is iron, of the Dutch system with a driveway at the bottom. Its entire length is 696 fathoms, clear spans over water are 674 fathoms. Its right abutment is on rocks, the left one is on stilts. The base area of each abutment is 66.72 square meters. soot Bulls on iron caissons 11.20 fathoms long. width 3.30 with a base area of 88.56 sq. soot bull No. 11 on two caissons with a base area of 89.91 square meters. soot The base area of all caissons is 409 square meters. soot., and the total area of the base of the bulls and foundations is 542 sq. soot; The total consumption of caissons is 105,198 pounds. Where the bridge was built, the bottom of the Volga is solid limestone, covered with a layer of sand, the greatest thickness of which is four fathoms; The depth of the river in this area is up to 7 fathoms during low water, the average is,
5.10 fathoms, at high waters—12 fathoms. The base of the bulls is lowered into the rock; the average lowering of the caissons from the average horizon that was during the lowering is 9.2 fathoms, and the average lowering into the rock itself is one fathom. 1250 cubic meters of soil were removed from the caissons. soot., a third of which is the excavation of rock. The supports are made from solid limestone of the Egulevsky mountains, and the ice cutters and the front part of the bulls are lined to a height of 5.40 fathoms. hard rock granite, obtained partly from Finland, partly from the banks of the Sheksna. The height of the bulls above low water is 11.35 fathoms, but their average height from the bottom is 18.57 fathoms; the greatest. The height of bull No. 10 is 20.10 fathoms from the base of which to the top. The total masonry in the piers and abutments is 6,680 cubic meters. saz.; of which 280 cubic meters are granite. soot The upper structure is iron; it consists of three
1 mmm
— 105 eleven spans, 52 fathoms each. every. Farm height 5.40 fathoms; its top above the go- 24.81
soot au bull No. 10—26, 40 fathoms. The width of the roadbed with sidewalks is 4, from fathoms, area low-water horizon 17.65 fathoms. Average height from the base of the bulls canvas 2828.65 sq. soot The total of the upper structure is 425,112 poods, and with caissons - 530,805 poods. The entire cost of the bridge is 4,773,487 rubles. 32 kopecks metal., which at the exchange rate of the time when the bridge was built was 7,022,698 rubles in credit. 20 kopecks When constructing the bridge, an entire village of more than 150 buildings had to be built near it to house the administration and 9,500 workers. Since the items needed for the work were brought in from afar, it would be a good idea to report a few more facts regarding the cost of building the bridge; 580,805 pounds of iron for caissons and superstructures, 45,000 pounds of high-quality iron and 715,000 pounds of cement were delivered through St. Petersburg; 450,000 pounds were delivered from Finland and Rybinek. granite; In total, up to 2,000,000 tons of different materials were brought in for the construction of the bridge. This transportation, including the construction of the barracks and the village, including the delivery of stones from the villages, amounted to about a seventh of the entire cost of the bridge.