Winter welding construction scheme

Winter construction scheme for welding process of 406 long distance natural gas pipeline

Content Introduction The construction period of the project is in winter, so effective snow, wind and cold prevention measures should be formulated. Good winter construction is the guarantee of completing the project construction on schedule with high quality. Special measures shall be taken for winter construction according to the requirements of construction specifications to ensure construction quality.

The latest Winter Construction Scheme

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Pipeline welding construction scheme of a project

This project is a reconstruction project, which needs to lay a 900 meter long pipeline, of which the river crossing length is 320 meters, and the pipeline specification is Ф 159 Ⅹ 6.

Winter construction scheme of an industrial workshop

Characteristics of concrete in winter: setting time: at 0 ℃~4 ℃, it is 3 times longer than 15 ℃; when the temperature drops to 0.3~0.5 ℃, the reaction stops after the concrete starts to freeze; at - 10 ℃, the hydration reaction stops completely, the concrete strength does not increase, the volume of water frost heaving in the concrete increases by 9%, the hardened concrete structure is damaged, and freezing damage occurs.

Winter Construction Scheme of Mu Sui Railway

Chapter I, Chapter II of General Provisions, Chapter III of Project Overview, Chapter IV of Overall Planning, Chapter V of Winter Construction Preparation, Chapter VI of Winter Construction Measures, Chapter VII of Winter Construction Safety Measures, and Winter Construction Schedule Assurance Measures

Winter construction scheme of subgrade works

Winter construction scheme of subgrade works

Winter construction scheme of culvert works

Winter construction scheme of culvert works

Winter construction scheme of Wenyuan Expressway

Winter construction scheme of Wenyuan Expressway

Winter construction scheme of a residential building

When the outdoor daily average temperature is stable below 5 ℃ for five consecutive days, winter construction measures shall be taken for the concrete structure works, covered with straw mats and sacks, and anti freezing measures for sudden temperature drop shall be taken in time.

Winter construction scheme of bridge and road

Winter construction scheme of bridge and road Winter construction scheme of bridge and road Winter construction scheme of bridge and road Winter construction scheme of bridge and road Winter construction scheme of bridge and road

Formwork for winter construction scheme of buildings

Building winter construction scheme Formwork building winter construction scheme Formwork building winter construction scheme Formwork building winter construction scheme Formwork building winter construction scheme Formwork building winter construction scheme Formwork building winter construction scheme Formwork

Concrete curing of winter construction scheme

After the pier column capping beam and foundation concrete are poured, the formwork shall be removed as late as possible. After the formwork is removed, it shall be wrapped with plastic film. If the temperature is lower than 0 ℃, it shall be cured by covering with gunny bags or straw. Do not spray water on concrete and covering

Winter construction scheme for concrete and masonry

At present, the engineering construction has entered the winter construction. With the decline of temperature, the construction quality of concrete and masonry has been affected to a certain extent. In order to effectively control the construction quality of concrete and masonry in winter

Winter construction scheme of tunnel and subgrade

1. Due to unfavorable construction conditions and environment, winter construction is the season of frequent engineering quality accidents, especially concrete engineering.

[Hebei] Tunnel construction scheme in winter_

To ensure the quality, progress and safety of winter construction of Contract Section LJ-S10 of Baoding Section of Zhangjiakou Zhuozhou Expressway. According to the construction period requirements, the main construction contents in the winter of 2012 are: excavation of the underground tunnel at the exit of Nanyu Tunnel, initial lining, leveling layer construction, secondary lining construction, cable trough construction, and portal construction; Construction of Zhuangzi tunnel portal.

Dongfeng detailed winter construction scheme

The A-C/1-12 axis of the project foundation is raft foundation, the D-E/13-16 axis and A-C/13-16 axis are independent foundations, and the base elevation is -6.6m. Winter construction refers to the construction of concrete, reinforced concrete, prestressed concrete and masonry works when the outdoor daily average temperature is stable below 5 ℃ for 5 consecutive days according to the local temperature data for many years.

Winter construction scheme of Beijing Taizhou Expressway

The LQ3 contract for Langfang section of Beijing Taizhou Expressway is located in Yongqing County, Hebei Province. The project starts at K11+272.500 ～ K14+766.520, with a total length of 3.494 km, two-way eight lane, subgrade width of 42 m, and precast T-beams of 30 m and 40 m, in the form of simple support before continuous.

Winter construction scheme of bridge substructure

Our pipeline section undertakes the Xiaonaohai Bridge Project, with the center mileage of DK130+905.48 and the total length of 3186.40m. The main works in the pipe section are bridge substructure works. The piers in the pipe section are solid piers, which are not high. The structural forms are bored pile foundation, cushion cap, and pier shaft. Most of the pier shafts are double track round ended solid piers, which are less than 14m high. The abutment adopts

Winter construction scheme of construction project

According to the provisions of the "Specification for Winter Construction of Building Engineering" (jgj104-97), winter construction begins when the outdoor daily average temperature is steadily lower than 5 ℃ for five consecutive days; When the outdoor daily average temperature is higher than 5 ℃ for 5 consecutive days, winter construction will be terminated. The starting and ending date of winter construction in Dalian is generally from November 14 to April 1 of the next year. The start and end dates can be measured

Winter construction plan of the project

The construction area of this project is about * * * ㎡. The number of floors of the building is one underground floor for garage and six above the ground, of which two above the ground are commercial facades and the rest are residential buildings. The garage floor height is 2.6 meters, the facade floor height is 3.6 meters and 3.3 meters, the residential floor height is 2.8 meters, the fortification intensity is 7 degrees, the safety level is 2 degrees, the fire protection level is 2 degrees, and the design service life of the structure is 50 years

Winter construction scheme of port project

This construction section is the second bid section of the slope structure east breakwater project, which extends outward from the end of the first bid section of the slope structure east breakwater project under construction and connects with the vertical structure east breakwater project. The contract duration of the project is * * months, and the commencement date is April * *, 2014. The project duration is tight, and after winter construction

Construction Scheme for Earthwork Backfilling in Winter

1.1 Construction drawings of the project; 1.2 Construction organization design of the project; 1.3 Code for Acceptance of Construction Quality of Building Foundation Engineering.

[Shandong] Special construction scheme for winter

According to the site construction schedule and construction arrangement, the project is planned to be completed from July 10, 2012 to December 31, 2014. According to the temperature changes of Qingdao over the years and this year, the winter construction is expected to start on November 15 and end on March 15 of the next year. The divisional and sub divisional works of the project in winter are the main foundation structure works.

Concrete construction scheme at low temperature in winter

This data is the construction scheme of concrete at low temperature in winter, which is detailed and can be used for reference.

Winter construction scheme of riveting and welding workshop

Characteristics of concrete in winter: setting time: at 0 ℃~4 ℃, it is 3 times longer than 15 ℃; when the temperature drops to 0.3~0.5 ℃, the reaction stops after the concrete starts to freeze; at - 10 ℃, the hydration reaction stops completely, the concrete strength does not increase, the volume of water frost heaving in the concrete increases by 9%, the hardened concrete structure is damaged, and freezing damage occurs. 2.2 Winter

Emergency construction scheme for winter construction

Emergency construction scheme for winter construction Emergency construction scheme for winter construction Emergency construction scheme

Winter construction scheme of bridge foundation

***The starting and ending mileage of the ******* section of the railway is DK181+200 ～ DK257+880, and the total length of the pipe section is 73.341 km. 10 extra large bridges (12218.07 linear meters) will be built along this section; 10 major bridges with 2613.01 linear meters, 12 medium bridges with 1092.98 linear meters, and 27.92 small bridges

Winter construction scheme for residential renovation

This document is the winter construction plan for residential renovation, including: overview: project name: 2018 residential renovation project at Lane 4719, Gonghe New Road Project address: Lane 4719, Gonghe New Road This project is located at Lane 4719, Gonghe New Road, Shanghai. Due to the long history of the house and the aging and damage of the house, in order to improve the living quality of residents

Winter construction scheme of a building project

The construction area of this project is about * * * ㎡. The number of floors of the building is one underground floor for garage and six above the ground, of which two above the ground are commercial facades and the rest are residential buildings. The garage floor height is 2.6 meters, the facade floor height is 3.6 meters and 3.3 meters, the residential floor height is 2.8 meters, the fortification intensity is 7 degrees, the safety level is 2 degrees, the fire protection level is 2 degrees, and the design service life of the structure is 50 years

Winter construction scheme of powerhouse works

This document is the winter construction scheme of the plant project, including: project overview: the number of floors of the project building is one above the ground and three locally, the height of the steel structure building is 7.40m, and the height of the frame structure building is 11.80m. The structure type is single-layer steel structure+three-layer frame structure. The seismic fortification intensity of the project is 7 degrees (0.1g), and the fire resistance rating of the building is Grade II

2019 Winter Construction Scheme

The project designs concrete structure, roof construction, floor construction, coating construction, etc. 1. Independent commercial construction along the street; 2. Interior and exterior wall flour brushing construction; 3. Floor construction (concrete floor and tile floor); 4. Exterior wall insulation construction; 5. Interior and exterior wall coating construction; 6. Outdoor earthwork backfilling construction; 7. Roof construction 8. External feet

Concrete construction scheme under low temperature in winter

Concrete construction scheme at low temperature in winter Concrete construction scheme at low temperature in winter Concrete construction scheme at low temperature in winter

Process pipe welding construction scheme

This document is the construction scheme of process pipe welding. The content is detailed for reference.

Winter Construction Scheme of Hebei Tunnel

1、 Specific contents of thermal insulation for winter construction The thermal insulation shed set up at the tunnel portal is made of color steel plates. The interior is first supported by steel pipe scaffolding, and then the color steel plates are respectively fixed on the steel pipes. It is firmly set up. The front is the gate with a curtain, and the surrounding is strictly closed. The concrete can be effectively prevented from freezing only when the temperature in the shed is above 12 ℃.

Temporary heating construction scheme in winter

The temporary heating construction scheme in winter is mainly used for office buildings and hotels that need winter construction in the north.

Winter construction scheme of bridge and subgrade

Jinting Town New Town Road Project is located in Jinting Town, Wuzhong District, Suzhou City. The project starts from Baji River in the north, ends at Linwu Road in the east, ends at Houbao Port in the south, and ends at Jinting Road in the west. There are 8 roads in total, with a total length of 6.395km, including Dongyuan Road extension. It starts from the town sewage plant in the north and ends at Houbao Port in the south, with a total length of 0.85km and a width of 24m; Shuangqing Road. (From Jinting Road in the west to Lin in the east

Winter construction scheme of secondary structure

Project name: New Chaoyang Square Phase II Area C Project; The Employer: Langfang Shuangli Real Estate Co., Ltd; Designer: Hainan Yuanzheng Architectural Design Consulting Co., Ltd; The project site is south of Aimin Road and west of Heping Road.

Winter construction scheme and guarantee measures

At present, it has entered winter construction. In order to ensure the normal progress of project construction, eliminate quality hazards, and ensure project quality and safety. Our bid section organizes manpower and material resources to prepare for winter construction according to the actual situation of the site, and formulates winter construction organization measures to ensure the smooth progress of winter construction.

Winter construction scheme for box girder prefabrication

（1） . The construction pedestal of the box girder pedestal mainly bears all the stresses from the component tensioning and the weight of the box girder itself, so the quality of the pedestal production is directly related to the quality of the box girder. The 35m box girder pedestal in our bid section is designed to be 31m long, 0.9m wide and 0.4m high. It is set longitudinally as a secondary parabola. The inverted camber of 17mm downward is set in the middle of the span, and 5

Construction Scheme in Winter and Rainy Season (14P)