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Construction Scheme of Cast in situ Slab Stairs for Primary School Teaching Building Project During the construction design of 4 # and 5 # buildings, the tread and riser of the stairs on the standard floors (floors 2-26) are of uniform size, taking into account the convenience during construction and improving the efficiency of formwork erection. Due to the low efficiency, inconvenience and waste of labor when erecting the wooden formwork at the construction site, the wooden formwork of the stairs is specially processed into prefabricated steel formwork. In order to facilitate the construction, we have designed a prefabricated building -
Construction Scheme of Cast in situ Slab Stairs for Tianjin Primary School Teaching Building Project On site stair construction process: stair support installation → stair slope formwork installation → plane rebar binding → lifting and prefabricating steel formwork → side formwork erection → pouring C30 concrete → lifting and removing steel formwork → bottom formwork removal. -
Construction Scheme Design of Cast in situ Slab Stairs for Tianjin Primary School Teaching Building Project Construction status, construction process, economic and social benefits, site drawings -
Construction scheme of cast-in-place support of an arch bridge Municipal, highway, arch bridge, cast-in-place construction, concrete, steel pipe frame, fastener type, scaffold, construction scheme, -
Construction scheme of cast-in-place hollow floor The project is the main project of Bubugao Real Estate · Xintiandi (Chenzhou) Project. The total construction area of the project is 194130.83 ㎡, the basement area is 54830.71 ㎡, and the aboveground area is 139300.12 ㎡. Among them, the commercial part has 8 floors above the ground and 3 floors underground; There are 8 commercial podiums above the ground, and 9-33 floors are office, apartment and residential buildings. This worker -
Construction scheme of cast-in-place box girder concrete According to the design requirements, the box girder concrete adopts high-performance durable concrete with strength grade of C50, and the concrete design volume of 32.74m long and 12m wide beams is 323.2m3. The concrete is produced centrally in the mixing station, measured automatically by computer, transported by concrete mixer truck, directly pumped into the mold by concrete pump truck, and vibrated by immersion vibrator, -
Construction scheme of cast-in-place box girder support This data is the construction scheme of cast-in-place box girder support, which is detailed and can be used for reference. -
Cast in situ construction scheme of box girder support This data is the cast-in-place construction scheme of box girder support, which is detailed and can be used for reference. -
Construction scheme for stair railing of a project Stair railing construction scheme of a project Stair railing construction scheme of a project Stair railing construction scheme of a project -
Construction scheme for cast-in-place box girder of support The original landform from 0 # abutment to 7 # abutment is flat, the surface is silt, and the allowable bearing stress of foundation is 50kPa. First, remove the mud in the mud pit built for bored pile construction, and replace it with coarse ballast; The thickness is 1 m, and 1.5 m thick shall be replaced within 4 m of the beam end, and then 18 t heavy roller shall be used for rolling compaction to ensure that the bearing capacity meets 200 kpa; Pouring 15cm thick C15 -
Special construction scheme for a cast-in-place box girder The central stake number of the main line bridge of Liaocheng North Interchange is MRK82+835.15. The geomorphic type of the bridge site belongs to the northwest Shandong plain. The surface is open and flat. The ground elevation is generally 32.10~34.10 m, and the relative elevation difference is about 2.0 m. The fourth and fifth spans of the main body of the bridge span the provincial highway S258. The No. 4 pier is located in the middle of the provincial highway, and the abutments on both sides are located in rural areas -
Construction scheme for installation of a catwalk and staircase The steel structure catwalk is hung on Φ 800 × 20 welded steel pipes, which are welded by square pipes, and paved with 4mm thick checkered steel plates, with a maximum length of 34m. -
Construction scheme of subway station stairs The Cultural Palace Station of Line 1 is a 14m island platform with three floors, two columns and three spans (partial single column and two spans) cast-in-place reinforced concrete box frame structure. The main foundation pit of the station is constructed by semi bedding, open excavation and sequential method. The structural bottom plate, platform plate, medium plate and top plate of the station incline upward at a gradient of 2 ‰ from the starting point SK21+414.062 to the north. -
Construction scheme for post cast stairs of buildings The Three Rivers and Three Parks Management Center Project is located in Tianning District, Changzhou City. The project was constructed by the Railway Construction Office of Changzhou Construction Bureau, surveyed by Changzhou Hongjian Geotechnical Technology Co., Ltd., designed by Jiangsu Zhusen Architectural Design Co., Ltd., supervised by Changzhou Changjian Construction Supervision Co., Ltd., and constructed by Jintan Shuibei Construction and Installation Engineering Co., Ltd., with a total construction area of 13730.91m2, including 9 above ground -
Construction Scheme for Cast in situ Beam of Overpass of a Project This paper is a construction scheme for cast-in-place beam of an overpass project, including project overview, construction scheme, etc., which can be used for reference. -
Construction scheme of cast-in-place hollow slab of a project The project is located at No. 6, Cuizhu Street, Zhengzhou High tech Industrial Development Zone, with a building area of about 32000 ㎡, frame shear structure, and 16 floors above ground and on the first floor underground. -
Construction scheme of cast-in-place concrete hollow floor The construction scheme of this project is mainly prepared in accordance with the Technical Specification for Cast in situ Concrete Hollow Floor Structure, the Code for Acceptance of Construction Engineering Quality, the construction drawings of Xiangtan Jiuzhou Yijingyuan Complex Building, as well as a series of requirements of relevant national documents, specifications and regulations. -
Construction scheme of cast-in-place box girder of overpass K135+199.445 separate overpass is located in Yuncheng Interchange Area, crossing 338 Provincial Highway, with an intersection angle of 90 °, a span of 22-28-22m, and a total length of 72m. The bridge foundation is made of 30 bored piles. The diameter of the abutment bored pile is 1.2m, the length is 38m, the diameter of the pier bored pile is 1.5m, the length of the right bored pile is 47m, and the length of the left bored pile is 38m -
Construction scheme of cast-in-place box girder of an overpass Project overview The overpass is a mechanical overpass. The upper structure is a four span 4x20 prestressed variable cross-section reinforced concrete continuous box girder with a width of 5.5 m; The lower structure consists of column pier, rib abutment and two layers of open cut expanded foundation. The pier body and expanded foundation are all C20 rubble concrete; The abutment body is made of C25 concrete, and the expanded foundation is made of C15 concrete; The beam body is made of C30 concrete. -
Construction scheme of steel structure stairs Qingdao Xinde Yuanjing Entrepreneurship Center is a business office building with 15 floors above the ground and 3 floors below the ground. It is invested and developed by Qingdao Xinde Yuanjing Real Estate Co., Ltd. and designed by Qingdao Zhongjing Architectural Design Co., Ltd. The development plot is located in Shibei District, Qingdao, with the planned Line 5 to the east and Bengbu Road to the south. -
Roof cast-in-place foam concrete construction scheme According to the characteristics of the project, our company's engineering department personnel visited the construction site, carefully checked the construction quantities, understood the construction period of the general contractor, and combined with the construction difficulty of the project, our company decided to arrange the following labor force for the construction of the project after study, see the following table for details: -
Construction scheme of cast-in-place rainwater square ditch According to the construction scheme of cast-in-place rainwater square ditch, according to the buried depth of the square ditch, the current ground elevation and the groove slope gradient (generally set at 1:0.5), the edge line of the slot opening is sprinkled with lime on the ground, and the backhoe excavator is used for excavation. Mechanical trench excavation shall ensure that the soil at the bottom of the trench is not disturbed, and 200mm soil layer shall be reserved at the base for manual bottom cleaning. If tombs, dry wells and unknown structures are encountered during slotting -
Concrete construction scheme of cast-in-place simply supported box girder Content introduction I. Project overview According to the design requirements, the box girder concrete adopts high-performance durable concrete with strength grade of C50, and the concrete design volume of 32.6m long and 13.0m wide beams is 315.2m3. The concrete is produced in the mixing station in a centralized way, measured automatically by computer, transported by concrete tanker, and directly pumped by concrete pump or pump truck -
Construction Scheme for Cast in situ Box Girder of Interchange 2.1 The xx interchange is located on the xx to xx (xx boundary) highway in the xx boundary of the xx to xx link line (G7011) of the national highway, which belongs to the terrain of the mountain area. The upper layer of the interchange area is gravel soil, pebble soil, etc. with a thickness of 2 to 12.6 meters. The structure is moderately dense, and there is a relatively thin layer of artificial fill on the local surface. Underneath is strongly weathered phyllite, and the allowable bearing capacity of strongly differentiated phyllite is 120 -
Construction scheme for setting up cast-in-place supports one by one XX Bridge runs from northwest to southeast, and the west (north) bank is located at the old wharf of XX River, connecting the North Outer Ring Road; The east (south) bank is located to the north of Xiamaozhoutun, connecting XX Avenue under construction. The project is divided into south and north bank approach bridges. The north bank approach bridge starts at K12 ＋ 128.117 and ends at K12 ＋ 778.597, with a length of 650.48m and a span of -
Construction scheme of cast-in-place concrete hollow floor The project is located at No. 6, Cuizhu Street, Zhengzhou High tech Industrial Development Zone, with a building area of about 32000 ㎡, frame shear structure, and 16 floors above ground and on the first floor underground. -
Construction scheme of cast-in-place box girder formwork support G210 Third Bridge passes through Shawen Zhazuo Class I Highway and Urban Trunk Road Project Lot A, starting and ending at K6+300 ～ K11+600, with a length of 5.3km. There are two overpasses in the bid section, namely Jinzhu Road overpass and Donglinsi Road overpass. Both Jinzhu Road Overpass and Donglinsi Road Overpass are of single box three room structure, and the design requires cast-in-place construction. Two bridge -
Construction scheme of cast-in-place box girder with full support This project is the construction of cast-in-situ box girders of the first to fifth upper structures of LK15+894 Jianhe Super Major Bridge in Guanxi Interchange. The starting pile number is K15+348.00, and the ending pile number of cast-in-situ box girders is K15+800.00, with a total length of 452m. The cast-in-place section of this bridge needs to cross Interchange A Ramp, Laojian River and Lingang Class I Road in turn. -
Cast in situ construction scheme of Hangzhou Huanghua 32m simply supported beam There are 4 bridges in the pipeline section of our department. All simply supported box girders are cast in situ with supports. The maximum height of pier columns is 22m. The types of simply supported beams are 24m and 32m simply supported box girders, including 10 24m beams and 9 32m beams, with a total of 19 holes. See the following table for the specific distribution. -
Special construction scheme for safety of cast-in-place box girder This plan is formulated to ensure the smooth construction of cast-in-place continuous box girder of this project, ensure the safe use of equipment and the safety and health of employees in the construction process, maximize the control of hazard sources, eliminate the occurrence of safety and quality accidents such as support collapse, falling from height, electric shock, mechanical injury, and finally achieve the safety production goal of this project. -
Construction scheme of cast-in-place section of four ring support The section type of 157 # - 158 # cast-in-place section of the fourth ring road is a single box single room simply supported box beam with equal height. The top plate, bottom plate and web of the beam end are locally thickened inward. -
Construction Scheme for Cast in situ Beam of South Ring Bridge Support Qinyuan South Outer Ring Bridge is a 50+4808+50m prestressed concrete arch bridge, which is fully covered with supports and cast-in-place. The center line of the line is oblique to Qinhe River. -
Special safety construction scheme for cast-in-place bridge The special safety construction scheme for cast-in-place bridge has detailed description for reference and download. -
Construction Scheme for Installation of Stair Handrail Single building area: 10830 ㎡; Floor area: 2393.20 ㎡; Total building height: 85.90m. Number of floors: 29 floors above ground and 1 floor underground. Number of households: 116. Fire resistance rating of buildings: Grade I. Structural system: shear wall structure. Design service life of the building: 50 years. Seismic fortification intensity of buildings: 7 degrees. -
Prestressed construction scheme of cast-in-place support This data is: the prestressed construction scheme of cast-in-place support is detailed for reference. -
Construction scheme for cast-in-place box girder of support Li'ao Bridge of Ningbo Taizhou Wenzhou Railway is located in Taizhou City. -
Construction scheme of cast-in-place box girder concrete According to the design requirements, the box girder concrete adopts high-performance durable concrete with strength grade of C50, and the concrete design volume of 32.74m long and 12m wide beams is 323.2m3. The concrete is produced centrally in the mixing station, measured automatically by computer, transported by concrete mixer truck, directly pumped into the mold by concrete pump truck, and vibrated by immersion vibrator, -
Construction scheme of cast-in-place box girder support Our construction section belongs to the design scope of the second design contract section of Zhanjiang Xuzhou Expressway. The starting point of the second design contract section K467 ＋ 129.151 connects with the end point of the first design section of Suixi Xuwen Section of Shenyang Haikou National Expressway in the northwest of Longmen Town. The route extends southward from here. It intersects with the county road X699 in the west of Longmen Town, and Longmen Interchange is set up. It passes through Liujiao Village and Dongfanghong Farm, and goes down -
Special construction scheme for single span cast-in-place arch bridge A pedestrian landscape bridge is located in xx Park, xx City, with a deck width of 16.0 meters, and the planned width of Shahe River (including ecological green belt) is 56.0 meters; The implemented Shahe River has a bottom width of 30.0m, a top width of 35.028m and a total width of 53 028m. There is another 50.0 m river protection green belt planned on both sides of Shahe River -
Construction Scheme for Cast in situ Beam of Bid Section A3 K19+125.5 Jiujiang Jiurui Avenue Overpass Bridge is 277m long, and it spans Jiurui Avenue. Pier 0 # shares with Pier 88 # of Saihu Super Major Bridge, and Pier 10 # shares with Lot B1. Thin wall solid piers and cast-in-place pile foundations are used for piers. Prestressed concrete continuous box girders with 277m long cast-in-place box girders are used for superstructure. The superstructure adopts (32.2+4 × 2
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one Construction technology of cast-in-place stairs -
two Construction scheme of cast-in-place cover plate -
three Bridge cast-in-situ construction scheme -
four Construction scheme of cast-in-place bridge -
five Cast in situ special construction scheme -
six Model of cast-in-place construction scheme -
seven Cast in place winter construction scheme -
eight Cast in situ foundation construction scheme