U Bar Anchor

6.

what are the advantages of precast buildings? Why are these developed capitalist countries so keen on precast buildings? The reasons are as follows: 1.

05.

Through the reflection principle of the small dressing mirror, it is convenient to plug the reserved reinforcement in the lower layer into the holes of the upper precast column.

It is conducive to civilized construction and safety management.

How does this most important lifting step work? The dressing mirror in the figure above is prepared for the hoisting of the precast column.

Now, a large number of site operations are moved to the factory.

It is conducive to accelerating the progress of the project.

Only a small number of workers need to be left on the site, which greatly reduces the incidence of on-site safety accidents.

After the hoisting of precast components is completed, the reinforcement at the connection part shall be bound, and finally the cast-in-place layer of nodes and beams and slabs shall be poured.

Concrete pouring and assembly line operation.

After demoulding, the finished cast boards and cast components are cast, temporarily stacked in the factory by category, and then ready to be transported to the construction site.

cost control cost control and design management are the finishing touches of the implementation process of precast buildings.

Therefore, such “industrialized” and “industrialized” buildings have been widely used in Europe, America and Japan.

Compared with the traditional construction method, the precast building can not only be faster and more convenient, but also save manpower and materials.

Hoisting of cast composite beams hoisting of cast composite plates can also be used for pre assembly or construction of cast exhibition areas on site for parts with great hoisting difficulties.

In the whole construction process, these small precast slabs are the most important.

3.

the construction process takes the precast frame structure as an example.

03.

In order to ensure the smooth lifting, after the precast components are transported to the site, it is necessary to reasonably arrange the stacking site to facilitate the lifting.

When constructing the inner wall, the framework shall be installed first, and then directly spliced, which is convenient and fast, and also convenient for subsequent demolition and modification.

Just like moving, we usually arrange the moving sequence of goods to reasonably reduce the workload.

The lower space is narrow and inconvenient to observe.

After the popularization of the industry, the construction cost can be reduced and the house price can be effectively suppressed.

what is a precast building? Like Lego, a precast building prefabricates some or all components in the factory and then transports them to the construction site for assembly.

01.

“Assembly” is more than “erection”.

After the pre assembly of the frame structure girder and the hoisting of the exhibition area of the shear wall residence, the reinforcement of the cast-in-place layer shall be bound and the cast-in-place layer concrete shall be prepared.

Assembly rate = implementation assembly area ÷ total floor area.

From then on, we bid farewell to “grey”.

There are few original cast-in-place operations on site, and the health does not disturb the residents.

Then fill, and finally add the sealing strip caulking glue.

Therefore, they also need to be extra careful in drawing.

According to preliminary statistics, the cost increment is about 150 yuan for every 10% increase in prefabrication rate..

The hook shall be embedded in the reinforcement binding.

After the precast components are transported to the construction site, the reinforced concrete will be overlapped and poured, so the assembly room is very safe.

To improve the construction quality, precast components are precast in the factory, which can maximally improve the common quality problems such as wall cracking and leakage, and improve the overall safety level, fire resistance and durability of the residence.

It is conducive to environmental protection and resource conservation.

4.

Take the primary and secondary beam connection nodes as an example to show the diversity of connection processing methods between cast components: the primary and secondary beam connection edge nodes – the main beam reserved notch primary and secondary beam connection middle nodes – the main beam reserved post cast section primary and secondary beam connection nodes – how can there be no mistakes in the components with so many brackets on the main beam? That is to number the cast components! In order to ensure that the workers will not make mistakes, reduce construction errors and speed up the project progress, each component has its own unique ID number, which is convenient for seating.

The higher the prefabrication rate, the higher the cost.

Precast buildings have two important indicators, the proportion of assembly area and prefabrication rate.

Although they look very simple, they need accurate data to ensure the success of splicing.

Holes shall be reserved during rebar binding.

There are a large number of workers on the traditional operation site.

Great beauty and barrier free love: what is the precast building that finds beauty and passes love? What are the advantages? How are precast buildings produced? How is the site constructed? Xiaobian brings you to understand.

04.

First of all, on the external wall, this kind of lock type splicing method is used, and some of them are butted with reinforcement framework.

Therefore, it is not unreasonable for the country to promote the precast building.

The progress of precast buildings is about 30% faster than that of traditional methods.

Hyaluronic acid, which is conducive to improving the construction quality of the construction industry, can make the construction products long-term and young.

2.

Walls, slabs, stairs and other cast components have their own unique numbers.

2.

Finished cast components are loaded onto the road and transported to the site.

There are many connection modes between precast members.

In addition, the reuse rate of steel formwork is improved, and garbage, loss and energy saving can be reduced by more than half.

After the indoor fine decoration is industrialized, express delivery can be received at home, which can be disassembled and installed quickly and well.

In order to increase the connection between the cast members and the cast-in-place layer and ensure the reliability and safety of the structure, the surfaces of the cast members are left with keyways or roughened.

Prefabrication rate = total volume of cast members ÷ total concrete volume.

5.

how are cast components produced? Taking the precast building board as an example, the production process is: steel formwork production → reinforcement binding → concrete pouring → demoulding.

02.

At present, the floor is usually in the form of 7+8 (70mm thick precast floor + 80mm thick cast-in-place floor).

After the construction of the first floor is completed, the columns of the upper floor are hoisted first, and then the main beam, secondary beam and floor are hoisted.

The efficiency is return.

It is conducive to regulating the supply relationship, improving the listing speed of real estate, slowing down the current situation of insufficient supply in the market, and there is no need to queue up all night to buy a house.

What is the most technically demanding of the above steps? The answer is the hoisting of cast components.