Architectural and space-planning solutions

The zero mark of 0,000 is the mark of the finished floor of the first floor, which corresponds to the absolute mark of 4.80. The height of the building from the planning ground level to the top of the parapet is 29,35 m. The entrance to the building for visitors is from the street. The building of the trade and office complex is L-shaped in plan, has dimensions (in axes) 122,6x115,2 m, with a 4-storey above-ground and 2-storey underground parts, a parking lot for visitors to the trade and office center. The nomenclature and layout of the premises of the complex are made taking into account the recommendations of marketers. The height of the floors of the aboveground part is 4,8 m, the underground part is 3,6 m. The grid of columns is 8,4x8,4 m. The facade of the building is ventilated. Composite panels are used in the facade cladding - cassettes, porcelain stoneware (plinth). Some elements of the facade are plastered. The shopping gallery is designed with successively located openings facing the atrium, lighting of the halls and corridors is provided, as well as the placement of open stairs and vertical transport. The atrium has a domed skylight. Entrance (exit) to the second underground floor is provided through the car storage rooms designed on the first underground floor. The building is provided with the necessary number of staircases (13 pcs). Underground parking is provided by separate exits to the outside through common stairwells. The entrance to these stairwells from the car park premises is provided through the vestibule locks with air overpressure in case of fire. Parking lots for personal vehicles of disabled people are accepted in accordance with SNiP 35-01-2001 p. 3,12. In a two-level underground parking lot for personal vehicles, in accordance with clause 3.12 of SNiP 35-02-2001, at least 10% of places for MGN vehicles are provided. Dimensions of parking space for MGN 5x3,5 m. The width of the path of movement on the site with oncoming traffic of disabled people in wheelchairs is 1,8 m, taking into account the overall dimensions of wheelchairs. Longitudinal slope of the path of movement of disabled people in wheelchairs - 5%. The transverse slope of the path of movement is taken within 1-2%. The paths of movement of pedestrians and MGN are indicated by signs indicating the direction of movement. The project provides for entrances and exits adapted for MGN - width 1,8 m. The dimensions of the vestibules comply with the requirements of the standards (depth not less than 1,8 m, width not less than 2,2 m). Approaches are provided for various types of equipment and furniture 0,9 m, as well as 1,2 m if it is necessary to rotate the wheelchair by 90 °. The diameter of the zone for an independent turn of 90-180 ° for a disabled person in a wheelchair is 1,5 m. For the disabled, near the places of service (tables, counters, at wall appliances, apparatuses and devices), free space is provided with dimensions in terms of at least 0,9x1,5 m. Windows and counters (cash desks, services, vending machines, etc. .d.) are placed at a height of 0,7-0,8 m. Constructive and space-planning solutions provide unhindered access for visitors with limited mobility to the premises of the retail and office complex, as well as to public catering facilities (buffet, restaurant, cafe). Restrooms meet the requirements of the norms.

Structural and space-planning solutions

Designed 4-storey building of a retail and office complex with an underground 2-storey car park (parking) - a normal level of responsibility, divided by sedimentary expansion joints into three blocks The structural scheme of the building of the complex is a frame-wall system of monolithic reinforced concrete and steel structures. The spatial rigidity and stability of the building is ensured by the joint work of the vertical load-bearing elements of the building with monolithic interfloor ceilings and stiffness cores formed by the walls of stairwells and elevator shafts, vertical braces of columns and horizontal braces of the cover. The calculation of the building was performed using the SCAD software systems, version 11.5, Lira 9.6. External walls - non-bearing, floor-by-floor cut, based on ceilings, consist of aerated concrete blocks D 600, B3,5, F50 300 mm thick, brickwork 120 mm thick from brick KORPU 1NF / 150 / 1,4 / 50 (GOST 530-2007 ), insulation with a thickness of 150 mm and a ventilated facade system on a steel frame with fastening to the ceilings and columns of the frame; non-bearing - aerated concrete 300 mm thick with insulation 150 mm thick, 200 mm thick and a plaster layer or a ventilated facade system and stained-glass windows; load-bearing - monolithic reinforced concrete 200 mm thick with insulation 180 mm thick and a ventilated facade system. The outer walls of the basement are monolithic reinforced concrete 400 mm thick with Penoplex 35 insulation 80 mm thick. Internal walls (staircases and elevator shafts) are monolithic reinforced concrete 250 mm thick. Partitions - brick 120 mm thick, aerated concrete 250 mm thick, plasterboard with fixing to a steel frame. Ceilings - a monolithic reinforced concrete slab 220 mm thick, 250 mm thick with capitals, 3x3 m in size, 470 mm thick, 550 mm thick and a slab 150 mm thick, 180 mm thick in a fixed formwork made of profiled steel sheet H114-750-1,0 on steel beams. Columns - monolithic reinforced concrete and steel from rolled profiles and pipes. The main pitch of the columns is 8,4x8,4 m. The sections of reinforced concrete columns are 600x600 mm, 700x700 mm, steel columns - I-beam No. 40K3, No. 35K2, No. 25 K2 and pipes 325x8 mm. Floor beams - steel from rolled profiles. Cross section of I-beams No. 60Sh1, No. 55B2, No. 50B1, No. 45B1. Stairs - monolithic reinforced concrete marches and platforms. The supporting structures of the coating are a steel system of trusses, beams, girders. Trusses with spans of 16,8 m and 25,2 m are designed from steel bent closed welded square and rectangular profiles with a cross section 160x7 mm, 120x5 mm, 200x160x9 mm, 160x8 mm, 120x7 mm. Beams and purlins are designed from rolled profiles with a section of I-beams No. 50 Sh 1, No. 50 B 1, No. 45B1, No. 40 B1, No. 35B1. Covering - profiled steel sheet of grade H 114-750-1,0 with fastening to the girders. Light lantern - aluminum stained glass system filled with double-glazed windows on a steel frame. The material of monolithic underground structures is concrete of class B 25, W8, F100, reinforcement of class A 500 C. The material of above-ground monolithic reinforced concrete structures is concrete of class B 25, reinforcement of class A 500 C. The material of steel structures is steel C 245, C 255 (GOST 27772-88). The foundations were designed based on the results of engineering and geological surveys carried out at the construction site. The foundation structure is a monolithic reinforced concrete slab 900 mm thick. At the base of the slab - plastic sandy loam e = 0, JL = 660, E=90 kg/cm2. The design soil resistance is 6,4 kg/cm2, the average pressure on the base is 2,1 kg/cm2. Under the foundation slab, concrete preparation with a thickness of 100 mm and a sand and gravel pad are provided. The material of the foundation slab is concrete class B 25, W8, F100, reinforcement class A 500 C. The excavation is provided under the protection of sheet piling made of steel sheet piling. The sheet pile is provided from steel pipes with a section of 1020x10 mm and elements of a semicircular profile with a section of 1020x10 mm, 16 m long, made of steel C 345. m. Anchor rods with a diameter of 10,0 mm and 1020 mm made of steel C12. At the level of + 2,4 m along the sheet pile, a distribution belt from a rolled profile is provided (two channels No. 3,0U). At the top of the anchor row of pipes, an anchor beam with a section of 90x100 mm is made of monolithic reinforced concrete (B 285, W2,500, F40). After installing the anchor rods, sandy soil is to be dumped. The immersion of the sheet piling is provided from the surface of the earth by the indentation method. The expected draft of the building is 2,0 cm. The maximum level of groundwater is at a depth of 0,1-1,0 m from the surface of the earth. Groundwater is moderately aggressive towards concrete of normal permeability. The project documentation provides for measures to protect the premises of underground floors from groundwater and anti-corrosion protection: the use of concrete of especially low permeability, waterproofing of walls and foundation slabs. To optimize the design solutions of the designed building, select the safest construction methods and assess the impact of new construction on the surrounding buildings, a geotechnical justification was carried out. Technical survey of existing buildings (gas station, car service building, garage) located at a distance of 25,0 m - 27,5 m from the walls of the designed building. Structural scheme of existing buildings - wall and frame systems. According to the results of the survey, the category of the technical condition of buildings is the first (1) and the second (2). According to the results of the geotechnical study, the additional settlement of existing buildings located at a distance of 25 m -27,5 m from the designed building will be up to 2,0 cm. The project documentation provides for monitoring the technical condition of the designed building during its construction and monitoring of existing buildings that are at risk. All activities, as well as the scope and duration of monitoring at the construction site and in its areas of influence, are provided on the basis of TSN 50-302-2004. A relative elevation of 0,000 corresponds to an absolute elevation + 4,800 m. Fire tank. Pumping station. The underground structure is designed from monolithic reinforced concrete structures. External and internal walls - monolithic reinforced concrete 400 mm thick. The bottom is a monolithic reinforced concrete slab 600 mm thick. The covering is a monolithic reinforced concrete slab 400 mm thick. The material of monolithic structures is concrete of class B 25, W 12, F100, reinforcement of class A 500C. The design documentation provides for waterproofing of the coating, walls and bottom of the structure.