Special construction scheme for cast-in-place box girder formwork

Special Scheme for Construction Safety of Cast in situ Box Girder Formwork of Bid Section III of Beijing Taizhou Expressway (Beijing Section)

The third bid section (K6+400 ～ K8+850) of Beijing Taizhou Expressway (Beijing Section) Project is designed to start at K6+400, which is located to the south of the main line toll station and the north of Xinfeng River, connecting with the end of the second bid; The design terminal K8+850 is located in the north of Zhongguo Road, with a total length of 2.45km.

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

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.

Special construction scheme for cast-in-place box girder formwork and support

The upper main structure of the project is a three span continuous variable cross-section prestressed concrete continuous box girder structure, with a span combination of 30m+45m+30m and a total length of 105m. The ratio of side span to middle span is 0.67, the box girder at the supporting point of middle pier is 2.6m high, and the ratio of beam height to main span is 1/17.3; The beam height at the center line of box girder in side span section and main span is 1.4m

Special construction scheme for cast-in-place box girder with full support

The bridge uses steel pipe piles and ordinary pipes to set up full supports to cast cast-in-place box girders. The bridge is located on a steep slope and is U-shaped.

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.

Special construction scheme for mobile formwork

This material is a special construction scheme for mobile formwork, which is detailed and can be used for reference.

Special construction scheme for cast-in-place box girder

This scheme is the construction scheme of cast-in-situ box girder with less supports! The steel pipe pile is mainly used, and the double jointed I-beam is used as the main beam, and then the support form set by the distribution beam is connected, and the cast-in-place beam is poured by the inclined layer method.

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.

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

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,

Special construction scheme for cast-in-place box girder of xxx upper structure

1. Xxx is the main line bridge of xxx, with the starting and ending stake numbers of xxx and the total length of 289m. This bridge is divided into left and right spans, with a total of three links. The span arrangement is (40 ＋ 38.4 ＋ 29.6) m ＋ (30 ＋ 35) m ＋ (35 ＋ 30 ＋ 35) m, the bridge width is 37~47.5m, and the bridge length is 289m. The first hole of the first link of the bridge crosses the C ramp and the second hole

Special construction scheme for cast-in-place box girder formwork and support

The upper main structure of the project is a three span continuous variable cross-section prestressed concrete continuous box girder structure, with a span combination of 30m+45m+30m and a total length of 105m. The ratio of side span to middle span is 0.67, the box girder at the supporting point of middle pier is 2.6m high, and the ratio of beam height to main span is 1/17.3; The beam height at the center line of the box girder in the side span section and main span is 1.4m

Special construction scheme for foundation treatment of cast-in-place box girder support

The construction mileage of bridge works in this project is AK2+594.347 - AK3+887.647, with a total of 14 couplets of 1286.5m. The width of the standard section is 33.0m and 25.5m. The bridge deck and structure are evenly divided. The width of a single bridge is 16.48m, and the clear distance between the two bridges is 0.04m. Wherein, 1-4 and 6-14 are cited

Special construction scheme for cast-in-place box girder of expressway

The Jianchang Xingcheng branch line of Lingyuan Suizhong Expressway is the need to improve the expressway network in Liaoning Province, change the backward traffic conditions of Xingling Line (S318), and improve the service level and transportation capacity of the channel. To promote the construction of Liaoning Coastal Economic Zone, promote the implementation of northwest Liaoning strategy, improve the investment environment in northwest Liaoning, consolidate the achievements of economic development, and promote Liaoning and even the east

Special construction scheme for continuous box girder with movable formwork method

Send you an engineering data. It will be of great help to engineers and technicians.

Special construction scheme for cast-in-place box girder of viaduct support

I 30+30+40+24 26 ～ 34 2.2 Cast in situ box beam column pier North auxiliary road II 35.6+35.6 33 ～ 41 2 Cast in situ box beam column pier A Ramp IV 36.6+35.8 41 ～ 45 2 Cast in situ box beam column pier V 3 × 30 26 2 Cast in situ box beam column pier

Special construction scheme for cast-in-situ side span box girder of road works

This data is the special construction scheme for cast-in-situ side span box girder of road works, which is detailed and can be used for reference.

Special construction scheme for single box multi chamber cast-in-place box girder of overpass

Xx interchange is located about 2.7 km away from xx Town, xx County. This interchange mainly serves the towns around xx. The intersected road of the interchange is S201 (Class III highway), and the interchange form adopts the A-type single trumpet interchange scheme, and the main line crosses the A-ramp. Main quantities include 1 main line cast-in-place bridge, 13 slab culverts, 3 circular pipe culverts, 1 vehicular overpass, and subgrade excavation 331

Cast in situ special safety construction scheme for box girder, support and formwork works

Protective sheds must be set at the top of the lower working layer and the top of the temporary passage during up and down cross operations. The length and width of the protective sheds should be determined according to the height of the objects that may fall above the lower working surface: when the upper height is 2m~5m, it should not be less than 3m; When the height above is 5m~15m, it shall not be less than 4m

Special construction scheme for cast-in-place box girder of expressway interchange

This contract section is Section TJ-4 of Jiayu Tongcheng Section of Wuhan Shenzhen Expressway in Hubei Province. Chibi West Interchange is located in Bawangmiao Village, Chaanling Town, Chibi City, and Baishi Village, Chaanling Town. Most of it is cultivated land, and a few of it is forest land. One main line bridge, eight interchange ramps and seven ramp bridges are set. Except that the box girder of Chibi West Interchange Ramp A bridge is prefabricated and installed, the construction of the box girder of the other six ramp bridges is

Special construction scheme for safety of cast-in-place box girder high formwork of bridge

Considering the safety, economy, convenience of construction and other factors of the support frame, strictly follow the Safety Management Measures for Divisional and Subdivisional Works with High Risks (JZ [2009] No. 87) and other provisions on the preparation and approval of construction plans for tall support frames, so as to ensure the erection of cast-in-place box girder support frame and concrete box girder casting of Guangfo Export Radiation Phase II (South China Sea Section) Project

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.

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

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 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 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 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.

Special construction scheme for highway cast-in-situ box girder

The starting and ending mileage of Huangtian Suijiang Bridge in the 14th contract section of Erguang Expressway is K51+847.36~K52+714.54, with a total length of 867.18 meters. The plane integral section of the bridge is located on the right leaning R=4100m circular curve, the left line of the separated section is located on the left leaning R=4100m circular curve, and the right line is located on the left leaning R=4099m

Special construction scheme for cantilever formwork support

The construction area of the project is about 430000 m2, consisting of 7 high-rise residential buildings, 9 townhouses, 11 single villas and underground garage. The highest point of high-rise residential building is 104.9m, and the number of floors of each unit project in the high-rise building is 32 at most and 27 at least. The first floor of the basement is 6.5m high in some places, and the fourth floor of the podium is 4.5m high. Townhouse is the highest point of the 4-storey building

Special Construction Scheme for Cast in situ Support.docx

Special scheme for cast-in-place box girder construction technology

The ground shall be hardened, and the full steel pipe support shall be erected for construction. The box girder concrete shall be uniformly mixed by the mixing plant, transported by the concrete transport truck, and the cast-in-place box girder shall be poured twice.

Special construction scheme for safety of a variable cross-section cast-in-place box girder on National Highway 104

Contract section x of the reconstruction project of the xxxx xxxx section of 104 national highway is located in Tongyu Street - xx Street, Luqiao District, Taizhou City, with a total length of 4.101km. It is constructed according to the technical standards of first-class highway, with a design speed of 80km/h, a separate subgrade width of 15.25m. xx viaduct is the main part of the project, with a single bridge deck width of 13.25m, xx

Real special construction scheme for cast-in-place continuous box girder of super large bridge

The XX super large bridge over Zhangjiakou Shijiazhuang Expressway of XX Passenger Dedicated Line is located in Zhengding County, Hebei Province. The mileage from start to end is DK258+008.43 ～ DK264+851.53, the center mileage is DK262+429.96, the total length of the super large bridge is 6843.1m, and the bridge type layout is: 2-20 simply supported box girder+12-24 simply supported box girder+185

Special construction scheme for cast-in-place box girder support formwork of an expressway

The specification of steel pipe is welded steel pipe with outer diameter of 48mm and wall thickness of 3.5mm. Before the first use of pipe fittings after mobilization, the appearance quality of steel pipes and fasteners shall be inspected according to the specified indicators and inspection methods, and fastener samples shall be taken for re inspection of mechanical properties and torque indicators. After being qualified, it shall be completely archived for future reference.