Steel curtain wall construction and process all-glass structures
Installation of Guangzhou Steel full glass curtain wall is a multi-joint construction trades, the process is complex and requires very sophisticated operation also needs to act in harmony troops. At the same time it is closely linked with the progress of the construction plans of other sub-project. In order to make the construction and installation of steel curtain wall smoothly, it is necessary according to the actual situation of the project, preparation of a good individual construction organization design, and confirmed by the Guangzhou Steel general contracting units.
The first is the project started preparatory work
Technical data collection
Site civil engineering design data collection and civil structure size measurements. Because there may be some fluctuation civil construction, the actual size is not always in line with the design drawings. Full glass curtain wall to the higher civil structures related to the size requirements. So before the design is necessary to measure the site to obtain first-hand information and data. And then to draw realistic view of a curtain separates the requirements of owners. About gated entrance of the site, there is a need and making active revolving door, the unit with full glass door, the glass curtain wall on the door and the door of a reliable shut. But also it needs to meet the requirements of the installation and repair of active revolving door.
Design and construction program concluded
Design and construction programs conclude. When the design of the glass curtain wall separated, in addition to consideration of uniform aesthetic appearance, we must also pay attention to minimize the glass of standard models. Since all types of building outdoor design are different, to have a large outdoor canopy, driving ramps and other projects, more attention should coordinate the overall construction sequence and progress, to avoid the construction and other outdoor facilities, the impact of walking and glass curtain wall crane installation. Before the formal construction, the construction scale should also be flattened infill site, good site clean-up, to ensure the smooth running crane.
Another is to prepare materials and machinery equipment
The main material quality check
(1) glass is not the right dimensions, with particular attention to check the glass in storage, whether the damage during transport, a crack is found, glass chipping must not be installed and should immediately tell the factory as soon as possible supplementary reworked.
(2) the raw material metal structural member is not in line with the design requirements, members are not straight, processing size, accuracy, hole orientation is not meet the design requirements. To a good first anti-rust paint brush, all member number must be labeled clearly.
Main construction equipment inspection
(1) Glass lifting and transportation machinery and equipment inspection, especially for crane operating systems and electric chucks performance checks.
(2) performance check various power and hand tools.
(3) azimuth orientation and design of embedded parts of deviation should not exceed 20mm.
Scaffolding
Due to the different needs of the construction program, the construction scaffolding structures must meet different requirements.
(1) discharge line and production load-bearing steel frame, should be set up at both sides of the wall surface of the glass, to facilitate workers in different directions, such as welding and installation work carried out.
(2) When installing the glass curtain wall, should be set up inside the walls of. To facilitate the lifting obliquely inserted into the glass does not touch the scaffolding, but also make standing up and down in various parts of the scaffold workers can easily hold the hand sucker can assist crane glass exact place.
(3) the glass in place after dispensing and cleaning phase, then the need to build a separate row in the outdoor scaffolding, due to the large all-glass curtain wall continuous area, the outdoor scaffolding was unable to pull connected with the main structure, so pay special attention to scaffolding support and stable, can land anchors, cables and pillars with braces then pull. Construction height of each operator should lay out scaffold boards, top to have fences, scaffold boards use wire fixation. In the construction and dismantling of scaffolding to be extra careful not to throw the steel and fasteners throw down from a height, to avoid damage to the glass.
Then that is an important project: steel curtain wall installation.
Steel curtain wall installation steps roughly as follows:
1. actinomycetes positioning;
2. The upper part of the load-bearing steel structure installation;
3. The lower portion of the side frame installation;
4. glass in place.
5. Note sealant;
6. Surface cleaning and inspection;
After that is completed the conservation and repair
At present, all-glass curtain wall maintenance and repair of the owners have not been enough attention. Now the whole glass curtain wall material used has a certain validity, but also regular observation and maintenance in normal use, so inspection after the hand over, and use of best conservation and development of curtain wall repair plan, and signed a contract with the company.
That is more than the flow of steel construction and all-glass curtain wall structure.
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