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About the dry goods of the hidden glass curtain wall

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About the dry goods of the hidden glass curtain wall

Release date:2018-04-08 Author: Click:

First, the planning rules of the curtain wall node diagram

Planning times

The planning of the node graph should first comply with the necessary planning. The primary node should be the primary planning, numbering first, supporting node and edge-advancing node planning behind, and numbering also behind. Together, when planning the primary node, consideration should be given to collaborating with both the adjunct node and the edge node to minimize the special handling of the adjunct node and the edge node.

First, the planning rules of the curtain wall node diagram

The basic principle

A. According to the requirements of the structure and function of the curtain wall, the first part of the curtain wall is planned in detail. In the planning process, economic principles should always be followed.

B should deal with the construction location of the node map, and the corresponding relationship between the elevation map and the floor plan, so that the node map has higher construction feasibility.

Second, the planning rules of the curtain wall node diagram

The basic principle

C. According to the drafting specification and the original of the three views, a reasonable expression of the projection line and the projection plane in the node plan should be expressed to enhance the readability of the drawing.

D Put neatly written and lead lines, and reasonably select cartographic shares, so that the drawings can be expressed neatly and beautifully.

The E node should be indexed from part of the elevation map first, and can also be indexed in other node graphs, but it should be clearly marked.

III. Planning Rules for Curtain Wall Node Diagram

Fundamental contents

A specification node section. Mark the cross section node and indicate the vertical section node.

B longitudinal section of the node. The vertical section of the window wall, the vertical section of the cap, and the vertical section of the back cover.

C cross section node section. Edge-cut cross-section nodes, corners cross-section nodes.

D column equipment node section

Fourth, the planning rules of the curtain wall node diagram

Fundamental contents

E beam and column assembly node part.

F Open the fan hardware assembly drawing section.

G aluminum alloy profile section.

H embedded parts processing map section.

V. Hidden frame glass curtain wall node description

Embedded Planning Rules

1. The anchor plate of the embedded part should use Q235 steel. Anchor bar should use HPB235HPB335 or HPB400 hot-rolled steel bar to prevent the use of cold-worked steel bars.

2. The force of the embedded part should not be less than 4 straight anchor bars, and should not be more than 4 layers. Its diameter should not be less than 8mm, and it should not be larger than 25mm. Two anchorages can be used to reduce the embedded anchorage, and the anchorages of the embedded parts should be placed on the inner side of the outer row of the reinforcements.

VI. Hidden frame glass curtain wall cross-section node description

Embedded Planning Rules

3. The thickness of the anchor plate should be determined according to the calculation of its stress, and should be greater than 0.6 times the diameter of the anchor bar. The distance c from the center of the anchor bar to the edge of the anchor plate should not be less than 2 times the diameter of the anchor bar and a larger value of 20 mm

7. Hidden frame glass curtain wall cross-section embedded parts

1. For tensioned and bent embedded parts, the distance bb1 of the reinforcing bar and the distance cc1 from the anchor bar to the edge of the component shall not be less than 3 times the diameter of the anchor bar and a large value of 45 mm.

2. For shear embedded parts, the distance bb1 of the anchor bar should not be greater than 300mm, and b1 should not be less than 6 times the diameter of the anchor bar and the larger value of 70mm: the distance c1 from the anchor bar to the edge of the component should not be less than The 6 times of the diameter of the anchor bar and the value of the glue of 70 mm, the distance between the anchor bar and the edge c of the anchor bar to the component shall not be less than 3 times the diameter of the anchor bar and a large value of 45 mm.

Eight, hidden frame glass curtain wall node description

The joint rivet bolt planning of the joints of the glass curtain wall components shall comply with the relevant regulations of the current national regulations “Steel Structure Planning Specification” GB50017 and “High-rise Civil Building Steel Structure Technical Regulations” JGJ99. The rivet bolts at the joints should not be less than two.

Each joint node should not be less than 2 anchors;

The anchor bolt diameter should be determined by bearing capacity calculation and should not be less than 10mm.

Second, the hidden frame glass curtain wall joint structure adhesive description

Silicone Structural Sealant Planning Specification

1. The paste width of silicone structural sealant should meet the rules of Article 5.6.3 or 5.6.4 of this specification, and should not be less than 7mm; its paste thickness should conform to the rules of Article 5.6.5 of this code, and should not Less than 6mm, silicone structural sealant paste width should be greater than the thickness, but not more than 2 times the thickness. Hidden frame glass curtain wall silicone structural sealant paste thickness should not exceed 12mm.

I. Hidden Frame Glass Curtain Wall Cross Section Glass Description

1. The curtain wall glass should be mechanically edging. The mesh of the grinding wheel should be above 180 mesh. It should support the hole of the curtain wall glass. The edges of the plate should be edging and chamfering. The edging should be finely ground. The width of the chamfer should not be less than 1mm.

2. The width of stitching glue between curtain wall glass should meet the deformation requirements of glass and plastic, and should not be less than 10mm.

Second, hidden glass curtain wall cross-section node glass description

Glass planning specification

1. The nominal thickness of curtain wall glass shall be determined after calculation of strength and rigidity. The thickness of any piece of glass of single glass or hollow glass shall not be less than 6mm, the thickness of single glass of laminated glass shall not be less than 5mm, and two pieces of laminated glass and insulating glass The difference in glass thickness should not exceed 3mm.

2, the thickness of the insulating glass layer should not be less than 9mm.

Third, the hidden frame glass curtain wall node description

1. Hidden frame or semi-hidden frame glass curtain wall. Two aluminum alloy or stainless steel brackets should be set at the lower end of the block glass. The bracket should be able to withstand the gravitational loading of the partitioned glass, and its length should not be less than 100mm. Should not be less than 2mm, height should not exceed the surface of the glass. Pads should be provided on the tray.

IV. Hidden Frame Glass Curtain Wall Cross Beam and Column Description

1. When the span of the beam is not more than 1.2m, the thickness of the primary force bearing part of the aluminum alloy profile shall not be less than 2.0mm; when the span of the beam is more than 1.2m, the thickness of the principal force applied to the cross-section shall not be less than 2.5m. When the direct selection of the thread between the profile hole wall and the screw is forced, the thickness of the section of the section shall not be less than the nominal diameter of the screw.

2. The thickness of the primary force part of the column section shall meet the following requirements:

V. Hidden Frame Glass Curtain Wall Cross Beams and Columns

1. The thickness of the open section of the aluminum section shall not be less than 3.0mm, and the thickness of the silenced part shall not be less than 2.5mm. When the profile wall is directly connected with the screw, the part of the thickness shall not be less than that of the screw. Nominal diameter

2. The thickness of the primary force part of the steel section should not be less than 3.0mm;

6. Hidden frame glass curtain wall opens the fan node

Open the fan to open the angle should not be greater than 30, open the distance should not be greater than 300mm.

Seven, surface treatment of steel and aluminum profiles

1. The glass curtain wall should be made of weather resistant materials, metal materials and metal parts. In addition to stainless steel and weathering steel, the steel should be treated with hot-dip galvanizing, inorganic zinc-rich coatings or other useful anti-corrosion methods. Surface oxidation, electrophoretic painting, powder coating or fluorocarbon paint spraying.

Eight, glass curtain wall 90° horizontal angle node

1. According to the technical specifications of glass curtain wall engineering, when the concealed frame glass curtain wall cantilever is selected, the glass cantilever standard should meet the requirements of the accounting, and should not exceed 150mm.

Nine, concealed frame glass curtain wall fire node description

1. There should be a gap of not less than 15mm between the upper and lower columns, and the core column with a length of not less than 250mm can be connected with the silent profile, and the core column and the column should be closely coordinated. The mechanical connection method should be used to fix the stem and the upper or lower column. Between the upper column and the lower column of the opening profile can be mechanically connected with equal strength profiles.

Ten, hidden frame glass curtain wall fire node description

1. The gap between the glass curtain wall and each floor slab and the outer edge of the partition wall, when rock wool or mineral wool is used for blocking, the thickness should not be less than 100mm, and the density is filled; the rock wool or mine with horizontal smoke prevention zone between floors Cotton should be selected with a thickness of not less than 1.5mm galvanized steel support; support plate and the main structure, curtain wall structure and the gap between the support plate should be filled with fire seal material. When the building requires a partition between fireproof partitions, fireproof glass may be used, and its fire resistance limit shall meet the planning requirements.

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