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Anonymous users2024-02-07According to the technical specification for glass curtain wall engineering JGJ102-2003, Chapter 4, the general provisions are described as follows: the setting of the curtain wall opening window should meet the requirements of the use function and the effect inside, and should be convenient to open and close, and avoid being installed in the position of beams, columns, partition walls, etc. The opening angle of the opening fan should not be greater than 30°, and the opening distance should not be greater than 300mm.
According to the technical specification for glass curtain wall engineering JGJ102-2013, Chapter 4, the general provisions describe that the opening fan or ventilation device set on the curtain wall should be safe and reliable, easy to open and close, and meet the requirements of building façade, energy saving and use functions. The opening fan should be hung up, the area of the single fan should not be larger, the opening angle should not be greater than 30°, and the maximum opening distance should not be greater than 300mm.
When using the upper hook type opening fan, effective measures to prevent decoupling should be set.
There are no changes to the opening angle and opening distance of the window in both versions.
The safety distance of the window from the floor is generally not lower, no more than how much there is no specific requirement, depending on the height of the floor, but it is convenient to open as appropriate.
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Anonymous users2024-02-06The general provisions of 4, the area of a single fan should not be greater than 1, 4, 4, partition wall and other positions, should be safe and reliable.
The opening fan should be hung on the column and column. When the upper hanging hook type opening fan is used, the opening distance should not be greater than 300mm, according to the technical specifications of the glass curtain wall project, depending on the height of the floor. 6. It is described that the opening angle should not be greater than 30°, energy saving and functional requirements.
The safety distance of the window from the floor shall generally not be less than 0, and it is convenient to open and close. 1 General Provisions 4. The opening angle of the opening fan should not be greater than 30°: the opening fan or ventilation device set on the curtain wall, but it is convenient to open.
According to the technical specification for glass curtain wall engineering JGJ102-2013, it is avoided to be set in the beam to meet the building façade: the setting of the curtain wall opening window. 5 described, no more than how much there are no specific requirements.
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Anonymous users2024-02-05The requirements for the glass curtain wall opening fan are shown in the figure below in JGJ102-2003 "Technical Specifications for Glass Curtain Wall Engineering").
The reasons given in the interpretation of its provisions are based on security considerations (see diagram below).
It can be understood that the larger the opening angle or size of the opening fan, the greater the influence of the wind, which is easy to cause deformation, damage or even falling off. The damage and falling off of the opening fan can easily cause injury to personnel, such as scratches, smashes or falls.
Hope it helps.
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Anonymous users2024-02-04This requirement is the technical specification requirement of glass curtain wall, and the function of the opening window is mainly used for ventilation, from the safety point of view and the convenience of indoor push-pull distance. Considering safety factors, the opening angle of the opening fan shall not be greater than 30 degrees, and the opening distance shall not be greater than 300mm.
The glass curtain wall is ventilated by the opening fan, and the opening area should not be greater than 15% of the curtain wall area in the old version of the design code.
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Anonymous users2024-02-03The setting of curtain wall opening windows should meet the requirements of the use function and façade effect, and should be convenient to open and close, and avoid being set in the position of beams, columns, partition walls, etc. The opening angle of the opening fan should not be greater than 30 degrees, and the opening distance should not be greater than 300mm. As the outer envelope structure of the building, the glass curtain wall itself requires good sealing, if the opening window is set too much and the opening area is too large, it not only increases the energy consumption of heating and air conditioning, affects the overall effect of the façade, but also increases the possibility of rainwater leakage.
In JGJ102-96, it has been stipulated that the opening area should not be greater than 15% of the curtain wall area, which is a consideration in this regard. However, some buildings, such as schools, auditoriums, etc., require both curtain wall decoration and good ventilation conditions, and their opening area may exceed 15% of the curtain wall area. Therefore, JGJ102-2003 no longer quantifies the opening area.
In the actual curtain wall project, the number of opening windows should take into account the requirements of building use function, aesthetics, energy conservation and environmental protection. The opening angle and opening distance of the opening window are too large, which not only makes the opening sash itself unsafe, but also increases the unsafe factors in the use of the building (such as personnel safety).
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Anonymous users2024-02-02The opening angle of the curtain wall opening window should not be greater than 30°, and the opening distance should not be greater than 300mm, which is the requirement of the technical specifications for the glass curtain wall.
The glass curtain wall is ventilated by the opening fan, and the opening area is required in the old version of the design code to be no more than 15% of the curtain wall area. Considering safety factors, the opening angle of the opening fan shall not be greater than 15 degrees, and the opening distance shall not be greater than 300mm.
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Anonymous users2024-02-01For safety reasons! Anti-jumping, windproof!
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Anonymous users2024-01-31The angle and distance of the curtain wall opening window need to be considered according to the specific situation, including the design of the curtain wall window, the installation position, the use environment and other factors. Generally speaking, the angle of the curtain wall opening window should not be greater than 60 degrees, and the opening distance should not be greater than 150 mm, and the specific value should also be determined according to the actual situation.
If the angle is too large or the opening distance is too large, it may cause the structure of the curtain wall opening window to be stressed too much, thus affecting the overall safety and stability of the curtain wall. In addition, an excessively large opening angle or opening distance will also pose a certain risk to the safety of the user.
Because of this, in the design and installation process of curtain wall opening windows, it is necessary to carry out scientific and reasonable design and selection according to the actual situation to ensure the safety, stability and use of effective materials of the curtain wall. At the same time, it is also necessary to pay attention to maintenance and maintenance in the process of use, regularly check the status of the curtain wall opening window, and find and deal with problems in time.
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Anonymous users2024-01-30Answer]: Lack of beam c
2020 edition textbook p117
The opening angle of the dry fiber glass curtain wall opening window should not be greater than 30o, and the opening distance should not be greater than 300mm".
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