At present, the floor slab is usually in the form of 7 + 8 (70mm thick precast floor slab + 80mm thick cast-in-situ layer).
Key points of PC component fabrication 2 Key points of PC component installation supervision work supervision work methods and measures 1.
There are various connection modes between fabricated components.
With the digital management of the factory, the cost performance of the whole prefabricated building will be higher and higher.
PC construction supervision safety management of sub divisional works acceptance of PC assembled integral concrete structure 1.
Features and advantages of prefabricated buildings a large number of building components are produced and processed in the workshop.
Disadvantages due to the low popularity and high cost, some fabricated structures can not shorten the construction period, require accurate setting out, accurate elevation measurement and small allowable error, and have high requirements for the position accuracy of reserved holes.
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The building form is reinforced concrete shear wall structure.
Through the reflection principle of the small dressing mirror, it is convenient to plug the reserved reinforcement in the lower layer and the holes in the upper fabricated column, so as to increase the connection between the fabricated components and the cast-in-place layer and ensure the reliability and safety of the structure, The surface of fabricated components shall be provided with keyways or roughened.
It is completed in the form of fabricated structure.
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General provisions of safety management 2 Safety protection points of PC component installation and construction 3.
PC component installation control supervision work methods: 3.
With the standardization of design and informatization of management, the more standard the components are, the higher the production efficiency will be, and the corresponding component cost will decrease.
The characteristics of the fabricated structure in the ideal state are the construction process of the fabricated building.
Supervision measures of PC processing and installation control 5.
The ideal state is that the decoration can be carried out simultaneously with the main construction.
Key points of supervision and control for the construction of assembled integral concrete structure 1.
Safety supervision measures and methods dust control points supervision internal management [copyright notice]: we respect originality and pay attention to sharing.
The integrated design and construction of architecture and decoration are adopted.
A large number of assembly operations on site are greatly reduced compared with the original cast-in-situ operation.
Sometimes the gap is too large or uneven integrity during assembly, The seismic resistance is relatively weak.
PC component processing supervision work methods 2.
Quality acceptance requirements of PC structure 4.
Zhengda Pengan Construction Project Management Co., Ltd.
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Among them, the board, staircase, air conditioning board and partition wall of the residential building.
After hoisting, bind the reinforcement of the cast-in-situ layer and prepare to pour the concrete of the cast-in-situ layer.
The main types of components include: exterior wall panels, interior wall panels, laminated plates, balconies, air conditioning panels, stairs, prefabricated beams, prefabricated columns, etc.
Other structures are completed by cast-in-situ.
The gap at the bottom of the plate is in an eight shape, which may fall off easily after pointing, and the size of prefabricated components also has a certain error.
Safety points of PC installation and construction 4.
The lower space of the fabricated column hoisting is narrow and inconvenient to observe.
Meet the requirements of green building.
Project overview the total construction area of the project is about 140000 M ²。 It includes a sales center, 6 residential buildings and underground garage.
