2.3 Key points of structural construction2.3.1 Support of frame beam of the first floor;2.3.2 Formwork and support of cylinder;2.3.3 Formwork of arc wall;2.3.4 Construction of 15.35m transfer floor:
Special construction scheme for formwork of residential building and garage in a community - Figure 1
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According to the electrical construction scheme for the residential building and underground garage of a certain community (Phase II), the project is XXX 1 #, 2 #, 3 #, 4 #, 5 #, 6 # buildings and underground garage. The main structure is a reinforced concrete frame supported shear wall structure, which belongs to a class I high-rise residential building with an area of about 99000 square meters above the ground, 24958 square meters underground garage, 6570 square meters bicycle garage, and 3373 square meters civil air defense.
Building 1 #, 2 #, 3 #, 5 #, 6 #, 16 #, 17 #, Kindergarten and Underground Garage Project of Yongwei Fengxiangting West Hospital Lot I is located at the northeast corner of the intersection of Zhengxin Avenue and Lvshui Road in Zhengzhou City, with a total construction area of 30117400 square meters. The construction area of this section is 1452260 square meters, including 1108900 square meters above the ground and 34336 square meters underground,It is developed and constructed by Henan Yongwei Real Estate Co., Ltd., supervised by Henan Wan'an Engineering Construction Supervision Co., Ltd., and constructed by Zhengzhou Zhengyan Construction Group Co., Ltd.The main building has three floors underground, and the height from bottom to top is 3.89, 2.95 m and 2.82 m respectively. Except for building 1 #, it has 31 floors above the ground;Building 16 # and 17 # have 4 floors, the rest are 32 floors, with a floor height of 2.9m. The garage has two floors underground, with a floor height of 3800mm and 4200mm from bottom to topThe project is a Class I elevation building. The main building structure type is reinforced concrete shear wall structure. The underground garage is a frame structure. The fire resistance rating of the main building is Level I, and the structural safety rating is Level II. The design service life of the building is 50 years, the seismic fortification intensity is 7 degrees, and the fire protection grade is subject to relevant regulations.
Special construction scheme of tower crane for two residential buildings in a residential district in Shanxi, including tower crane setting, tower crane installation and removal, tower crane settlement, verticality measurement and deviation correction, tower crane operation and maintenance, tower foundation calculation, etc
This paper introduces in detail the construction scheme of a residential area using dynamic compaction method to treat the foundation, which can provide reference for similar projects.
The project is located in the north of Xiaoqu Road and the east of Yuxing Street. It is a modern high-rise commercial and residential center with comprehensive functions and high standards, integrating commerce, office and residence.
The project is located in XX area, invested and constructed by XX Real Estate Development Co., Ltd., which is divided into two parts: Area A and Area B. Area A includes buildings 1 to 6, 12 and the garage in the west area;Area B includes buildings 7~11, kindergartens, clubs, shopping malls and garages in the east area;This plan only prepares the installation works of Zone A.
The underground of the project is an integral box (civil air defense layer) structure, and the ground is two independent units. The passage between the 15-17 axis is for access to the community, and the ninth floor (roof) is connected upward as one.
The foundation, column, shear wall, beam, slab and other components are all bamboo glue formwork, the column formwork is bamboo glue large formwork, the bottom formwork of cast-in-place floor slab is bamboo glue formwork, and the whole hall is supported by scaffolding.
The third bid section of Phase I project is located at the intersection of Dongfeng Road and Huayuan Road, with a total construction area of 70000m2, and consists of 6 #, 7 #, 8 # buildings and underground garage.The total height of the building is 102m. There are 1 floor underground and 32 floors above the ground. The garage is a fully buried 2-floor underground structure. The project duration is 440 days.
The whole community is divided into two areas, A and B. The first two floors of buildings 1 to 3 in Area B are commercial outlets and frame structures, while the third floor and above are residential buildings and shear wall structures.The first floor is 6.25m high, and the second floor is 4.15m high.The height of the third floor and above is 2.9m.It belongs to the scope of tall formwork, so this scheme is formulated
1. The column, wall formwork and floor formwork of the project are made of high-quality plywood.The wall panel shall be limited by the rebar above φ 10, welded to the panel wall rebar, and the thickness of the panel wall shall be strictly controlled.
This project is located in zzz.The building area is 12630m2, and the project has one underground floor and seventeen floors above the ground.The building is classified as Class B, the main structure type is frame supported shear wall structure, the service property is residential building, the high-rise building is classified as Class II fire protection, the seismic strength is 6 degrees, the building height is 49.95m, and the service life is 50 years.
The project is located in xx, which is a high-rise residential building invested and built by xxx Development Co., Ltd., a strip building, and residential buildings with more than one floor.4 # includes a basement.Building floors: 18 floors above the ground.The building area of 1 #, 2 # and 3 # is 8118.64 ㎡, and that of 4 # building is 11626.1 ㎡, including 10884.6 ㎡ above ground and 741.5 ㎡ underground.The project is a shear wall structure with seismic category of C and seismic fortification intensity of 6 degrees.The construction site is Class II, belonging to the general seismic section, and the safety level of the building structure is Level II.
Hengsheng Commercial and Residential Community Lot 1 (Buildings 1 #~7 #) project, located in the south of Erhuan North Road and the west of Minzhu North Road in Yulin City, is a frame shear structure, with 18 floors above the ground and 1 floor underground. The standard floor height is 3.0 meters, the total building height is 58.9 meters, the total building area is 53829.76 square meters, and the total construction period is 540 days.The service life of the building is 50 years, the seismic resistance is 7 degrees, the safety level is Level II, the fire resistance level is Level II, and the waterproof level is Level II.The project is invested and constructed by Yulin Hengda Real Estate Development Co., Ltd., designed by Yulin Urban and Rural Planning and Design Institute, geological survey of Yulin Branch of Geology and Mineral Wuzhou Company, supervised by Guangxi Zhijia Construction Engineering Consulting and Supervision Co., Ltd., and organized and constructed by Yulin Construction and Installation Engineering Company;Chen Xudong is the project manager and Zhu Ming is the technical director.
The project is located in Hetianxia Village, Shijie Town, Dongguan City, with a total floor area of 339885.12 square meters and 47 buildings, including one kindergarten, 13 residential buildings and 33 villas.Special formwork area I:The special formwork erection area is the elevator machine room floor formwork erection, with the maximum height of 99.7m and the width of the elevator shaft of 2.5m;In the above part scheme, 18 # I-steel simply supported beam is used as the formwork erection method of the pole foundation, and the formwork erection height is reduced to less than 3.2m. Other elevators in the project can refer to it.Special formwork area II:Formwork erection of floating plate: if the floating plate is within 1200mm in the project, the method of formwork erection with inclined pole is adopted, and the height of formwork erection is reduced to<3.6m. See Attached Fig. 05 for details.Other floating boards in this project can be implemented by reference.Special formwork area III:The special formwork erection area III is hollow duplex formwork erection, with a maximum height of 91.35m and a span of 2.7m.In the scheme of the above parts, 18 # I-steel simply supported beam is used as the formwork erection method of the pole foundation, and the formwork erection height is reduced to less than 3.2m. See Attached Fig. 06 for details.The rest of the hollow thermocline shall be executed by reference.This plan is prepared for the beam slab, elevator machine room floor, floating plate and hollow duplex formwork erection area with formwork erection height of more than 4.5.
Special construction scheme for formwork works of a residential building in a certain place Special construction scheme for formwork works of a residential building in a certain place
This project is located in the south of * * * * section of * * * * Road, * * * * District, east of * * * * Chamber of Commerce Building, and west of * * * *.Project name: * * * International Garden Address: * * * * East side of the Chamber of Commerce Building Total building area: 54851 m2 Basement building area: 9270 m2 (first floor underground) Structure type: frame shear wall structure 1 #~4 # buildings: the first floor is a permanent store, the first floor is 4.1 meters high, and the second to eighteenth floors are tower residences. The standard floor height is 3 meters, and the number of building floors is 18, with a total height of 57.3 meters.Building 5 #~6 #: the ground floor is an activity space, with a floor height of 2.19 meters. The second to twelfth floors are residential buildings, with a standard floor height of 3 meters. There are 12 floors in total, with a total height of 39.6 meters.Structure description: large components mainly exist in the basement.The maximum section size of the frame column is 650 × 650mm, the maximum section size of the roof beam is 450 × 1200mm, and the plate thickness is 250mm. The local plate thickness is 400mm, and the beam section size is 500 × 1000mm. The maximum thickness of the shear wall is 350mm, the maximum span of the beam is 8.5M, and the section size is 350 × 1100mm.
1. Materials(1) Wood formwork (or plywood): its specification and type must meet the design requirements.(2) Wood brace: the specification and type of wood brace must meet the design requirements.(3) Support system: wooden support or various shaped trusses, supports, brackets, fixtures, bolts, steel portal frames, cross braces, steel pipes, etc.
The project is located in xx East Road, xx Prefecture, and is a "residential building # 1 in xx Mansion Residential Community" invested and constructed by xx City xx Real Estate Development Co., Ltd., with convenient transportation.Building area of 14 # residential building: 4620.31m2, one floor underground and five floors above the ground, building height: 18.1m;Building area of 15 # residential building: 4620.31m2, one floor underground and five floors above the ground, building height: 18.1m
The project is a frame shear wall structure, with a total construction area of 52584 ㎡ and a basement construction area of about 12000 ㎡.The number of building floors is 11 above the ground and 1 underground;Floor height 4.0 (civil air defense, garage), 4.5-5 meters (tool room).
The three buildings in this project are reinforced concrete short leg shear wall shear wall (core tube) structures.The column and beam formworks of each building adopt the fixed large formwork, the wall formworks of each building adopt the fixed wood formwork, the roof adopts bamboo plywood, and the cylinder of each building adopts the wood formwork.The square columns and retaining walls of small shops are made of steel formwork, the beams and plates are made of shaped wooden large formwork, and the roof is made of bamboo plywood.
This project is an underground civil air defense garage in the community 57 of xxxx real estate.All frame structural plates are constructed with plastic formwork and bamboo plywood.
1. Engineering informationProject name: XX · XX Li ProjectConstruction unit: Suzhou XX Real Estate Co., LtdDesigner: Suzhou XX Design Institute Co., LtdSupervisor: Suzhou XX Engineering Management Co., LtdConstruction unit: Zhejiang XX Construction Engineering Co., LtdConstruction site of this project: north of Xiqing Road and west of Runnan Lane, Xiangcheng District, Suzhou City;It belongs to shear wall structure;Among them, there are 2 floors underground and 27 floors above ground in 1 #, 2 #, 4 #, 5 #, 6 # and 9 # buildings;Building height: 79.8m, standard floor height: 2.9m; the underground floor of 3 # building, 18 floors above the ground, building height: 55.35m, standard floor height: 3m;The 7th and 8th floors have two floors underground and 23 floors above the ground. The building height is 68.2m, and the standard floor height is 2.9m.In addition, it includes underground garage, with a total floor area of 120750.4 square meters;Total construction period: 800 daysThe main building of the project structure is a short leg shear wall structure, the underground garage and civil air defense are frame structures, the foundation form is raft foundation, the seismic grade is Grade IV, and the seismic fortification intensity is Grade 6.
Construction Scheme of Brick concrete Structure Residential Building in a CommunityConstruction Scheme of Brick concrete Structure Residential Building in a CommunityConstruction Scheme of Brick concrete Structure Residential Building in a Community
According to the power construction scheme of a residential building project in a community, Bihai Mangshuyuan Project is located in Futian District, Shenzhen City, bordering Binhai Avenue in the north, Furong Road in the west, adjacent to Xiasha New Town in the south, and a multi-storey residential area and kindergarten in the east. The project consists of eight 33 storey tower residences. The first basement is used for parking garages and equipment rooms, and is made into a civil air defense basement combining peacetime and wartime according to regulations,The first floor is used for parking, greening, meat and vegetable market, residential lobby and other public facilities.
The construction scheme of a residential building project is located in a district at the north end of a road in Zhengzhou City. The developer is a real estate development company in Zhengzhou.Building area 4839.07m2Residential building use.
In the general layout construction scheme of a residential building project in a community, the water source of the outdoor water supply system is supplied by the urban tap water pipe network, and the outdoor water supply pipe network is the shared pipe network for life and fire protection.The total area of the road is 6070m2. The base course is designed as 10cm thick gravel cushion, and the surface course is designed as 12cm thick C25 cement concrete pavement.The 10KV power supply is introduced from the urban power grid.
A residential building in a community is located in the east of the living area of a company, on the Class II alluvial terrace on the right bank of the Luanhe River, with the terrace surface about 20m higher than the Luanhe River bed. The construction site is a nearly north-south trending open gully on the terrace, which was eroded later, with a depth of about 5.0~7.0m. The gully top in the west is flat, with ground elevation of 96.0~97.0mIs consistent with the ground elevation of the company's living quarters, and the trench wall is relatively steep;The east side ditch wall is a gentle slope low in the west and high in the east.The bottom of the ditch is now a paddy field, with a ground elevation of 90.0~91.5m. There is water in the field.There are manually built drainage ditches on the north, east and south sides of the site, and domestic wastewater in the living quarters on the west side of the site is discharged southward through this ditch.
General project overview: Qingyuan Poly Tianhui Garden Phase III Project is located in the east of the north section of Fengcheng Bridge, Qingcheng District, Qingyuan City. This section is the basement of two 29 storey commercial and residential buildings, one 30 storey commercial and residential building, one 30 storey commercial and residential building, and one 33 storey commercial and residential building.The total aboveground building area of the project is about 116793.34m2, the residential aboveground area is about 92029.34m2, and the underground area is about 24694m2. The number of residential floors is 29F/30F/33F/30F, and the commercial floor is 1F.
The 86 series steel large formwork shall be used as far as possible for Building 4. The unmatched wall shall be made of 15mm thick wood plywood, and the wood plywood formwork shall be used for the back support where the height is insufficient;Building 5 uses 15mm thick plywood, 50 × 100 batten and steel pipe as battens, and is equipped with through wall bolts (φ 12).The surface of the formwork shall be cleaned before use, and the oily release agent shall be applied. The release agent shall not contaminate the contact between reinforcement and concrete.The vertical back ridge adopts 50 × 100 batten @ 300, and the horizontal back ridge adopts φ 48 steel pipe @ 600 (starting 200 mm, the spacing between the two consecutive layers above is 400 mm, and the rest is 500~600 mm), plus 2 φ 48 steel pipe @ 600 vertical ridge for reinforcement.The reinforcement is achieved by punching and tying the through wall bolt @ 300 at the double steel pipe, fixing it in Building 4 with a "3" type clamp, using 86 series steel large formwork as far as possible, using 15mm thick wood plywood for unmatched walls, and using wood plywood formwork for back support where the height is insufficient;Building 5 uses 15mm thick plywood, 50 × 100 batten and steel pipe as battens, and is equipped with through wall bolts (φ 12).The surface of the formwork shall be cleaned before use, and the oily release agent shall be applied. The release agent shall not contaminate the contact between reinforcement and concrete.The vertical back ridge adopts 50 × 100 batten @ 300, and the horizontal back ridge adopts φ 48 steel pipe @ 600 (starting 200 mm, the spacing between the two consecutive layers above is 400 mm, and the rest is 500~600 mm), plus 2 φ 48 steel pipe @ 600 vertical ridge for reinforcement.The reinforcement is achieved by punching holes at the double steel pipes and tying the through wall bolts @ 300, and fixing them on the double steel pipes with "3" type clips.Use steel pipe+U to support the upper, middle and lower three layers of @ 600 reinforcement diagonally to ensure its stability. The external formwork of the external wall is supported on the pit wall.The outer wall and the overhead wall bolts are water stop bolts, and the inner wall bolts are ordinary recoverable bolts.Double steel pipe.Use steel pipe+U to support the upper, middle and lower three layers of @ 600 reinforcement diagonally to ensure its stability. The external formwork of the external wall is supported on the pit wall.The outer wall and the overhead wall bolts are water stop bolts, and the inner wall bolts are ordinary recoverable bolts.
The resettlement community project is located in, with a total construction area of 98996.33m2, including No. 3.6.8 building and basement garage, of which the aboveground construction area is 81153m2, the underground construction area is 17843.33m2, the No. 3.6.8 building is a 1/2/4 floor commercial building with a building height of 5.05/10/19.8m frame/shear wall structure, and the first floor of the basement is a frame/shear wall structure with a building height of 5.6m/4.4m. The maximum span is 7.8m
The total building area of ××× project is 36664.27m2. Structure form: frame shear wall structure.The building is mainly composed of three main structures and podium building, with one floor below ± 0.000 and twenty-four floors above the ground;Structure floor height: - 3.0m for the first floor, 4.2m for the first floor, 5.4m for the second floor, and 3.0m for the standard floor above the third floor.
This project is a large residential area project, which is divided into 1 #~10 # residential buildings (15~16 floors, some shops on the ground floor along the street) and a large basement. The roof elevation is 45.2~47.7m, and the highest building is 49.2m. The basement is a parking garage and equipment room, with a total construction area of 122725m2.The main building and basement of the project are of frame shear wall structure.The basement is 3.8m high, the roof is 250mm thick, and there are several columns in the middle. The column size is mostly 600 × 600mm, the beam size is mostly 350 × 750mm, 300 × 700mm, 450 × 800mm, and the shear wall is 300mm thick. The first floor height of the main building is 4200mm, the standard floor height is 2900mm, the shear wall thickness is 200mm, and the floor thickness of the standard floor is 100mm~130mm.Most of the column section dimensions of the podium are 300 × 400mm, 300 × 350mm, and the main beam section dimensions are 200 × 700, 200 × 500, 200 × 300mm, etc.
**The building project includes residential buildings 12 #, 13 #, 14 # and some shops. The three single main buildings 12 #, 13 # and 14 # are connected by the shops on the first floor. The three main buildings are all of 15 storey shear wall structure, and the shops are of one floor frame structure.
1、 Compilation basis: 1. Relevant electrical construction drawings of "China Construction Technology Group Corporation" with project number of 04C0503; 2. Current national and Beijing standards, specifications, procedures and atlas related to project construction and acceptance: Unified Standard for Construction Quality Acceptance of Building Engineering (GB50300-2001)《Code for Acceptance of Construction Quality of Building Electrical Installation Engineering (GB50303-2002), Code for Construction and Acceptance of Busbar Device in Electrical Equipment Installation Engineering (GBJ149-90), Standard for Handover Test of Electrical Equipment in Electrical Equipment Installation Engineering (GBJ150-91), Code for Construction and Acceptance of Cable Line in Electrical Equipment Installation Engineering (GB50168-92)《Code for Construction and Acceptance of Grounding Device in Electrical Equipment Installation Engineering (GB50169-92), General Atlas of Building Electrical Installation Engineering (92DQ), Process Standard for Construction of Building Installation Items (DBJ01-26-2003), and FJD-2001 Civil Air Defense Electrical Atlas
The project is a reinforced concrete shear wall structure and frame structure of the first underground floor. The safety level of the building structure is Level II, the seismic fortification category of the building structure is Category C, the seismic rating of the shear wall is Level IV, and the seismic rating of other parts is Level IV.
The project is located in the southeast corner of the land acquisition area of Tianxiangxinyuan Community. The building direction is from south to north. The stairs are designed as three concave connected towers.There are two floors underground, 33 floors for the left middle tower above the ground and 20 floors for the right tower.The total length of the building is 96m, the width is 16.5m, and the building area is 36275.91 ㎡.The foundation excavation depth is -7.6m, the indoor and outdoor elevation difference is 0.45m, and the actual excavation depth is subject to the elevation value measured on site.Building scale: three units, one elevator and four households, 344 households in total.
This project is xxxx Building 5 #, 6 # and 7 #. The foundation type is pile raft foundation, shear wall structure, 18 floors above the ground and 1 floor underground, and its fire resistance rating is Grade I;The waterproof grade is II,
Project name: XX · XX Li Project construction unit: Suzhou XX Real Estate Co., Ltd. Design unit: Suzhou XX Design and Research Institute Co., Ltd. Supervision unit: Suzhou XX Engineering Management Co., Ltd. Construction unit: Zhejiang XX Construction Engineering Co., Ltd. Construction site of this project: north of Xiqing Road and west of Runnan Lane, Xiangcheng District, Suzhou City;It belongs to shear wall structure;Among them, there are 2 floors underground and 27 floors above ground in 1 #, 2 #, 4 #, 5 #, 6 # and 9 # buildings;Building height: 79.8m, standard floor height: 2.9m; the underground floor of 3 # building, 18 floors above the ground, building height: 55.35m, standard floor height: 3m;The 7th and 8th floors have two floors underground and 23 floors above the ground. The building height is 68.2m, and the standard floor height is 2.9m.In addition, it includes underground garage, with a total floor area of 120750.4 square meters;Total construction period: 800 days The main building of the project structure is a short leg shear wall structure, the underground garage and civil air defense are frame structures, the foundation form is raft foundation, the seismic grade is IV, and the seismic fortification intensity is 6 degrees.
Construction site of this project: north of Xiqing Road and west of Runnan Lane, Xiangcheng District, Suzhou City;It belongs to shear wall structure;Among them, there are 2 floors underground and 27 floors above ground in 1 #, 2 #, 4 #, 5 #, 6 # and 9 # buildings;Building height: 79.8m, standard floor height: 2.9m; the underground floor of 3 # building, 18 floors above the ground, building height: 55.35m, standard floor height: 3m;The 7th and 8th floors have two floors underground and 23 floors above the ground. The building height is 68.2m, and the standard floor height is 2.9m.