1. This standard reference to relevant national standards, this standard higher than the national or local government regulations, in accordance with the standards, but requires higher than this standard, in accordance with the relevant national or local government regulations.
2. This standard is referenced in the country or industry standard once updated, engineering design and installation of window of model steel door units have an obligation to understand the standard update and implemented according to the corresponding standard.
2, the material requirements of window of model steel door
2.1 general provisions
2.1.1. Unless otherwise stated below, all engineering of PVC profiles
, hardware accessories, glass, sealing material, the structure of the silicone sealant for the following by the national or industrial standards specified in the quality of grade a and above. All profiles, accessories, sealing material need to construction units sealed samples approval rear can use.
2.1.2. Hidden box, half hidden box or 1 m above the side window frameless glass and glass bonding directly under wind load, the structure of silicone sealant, to be compatible with contact materials.
2.2 PVC Windows and doors profiles
2.2.1. Physical and mechanical properties of the PVC doors and Windows with profiles and dimensional accuracy should be consistent with existing national standards GB/T8814-2004 "the door, window frame with rigid polyvinyl chloride (PVC) material. Outside the doors and Windows with A kind of product, class B products are only available within the doors and Windows.
2.2.2. PVC doors and Windows profile visible below minimum measured wall thickness should be not less than 2.2 mm when sliding door window, in the flat open doors and Windows should be not less than 2.5 mm.
2.2.3. PVC section structural requirements: material thickness is 60 mm (i.e., 60 series); Multiple cavity structure, have an independent cavity drainage.
2.2.4. PVC profile should be adapted to strengthen steel and hardware fittings.
2.3 the glass
2.3.1. PVC door and window glass should be used in the national standard "float glass" (GB11614) regulation construction level float glass or for its various kinds of processing glass for glass.
2.3.2. Varieties of glass, color and performance, according to the needs of the construction unit selected.
2.3.3. All glass thickness should be designed by the professional units shall be carried out in accordance with the "window of model steel door design requirements" under the glass to calculate the wind resistance design, design of heat cracking, Mosaic structure design choice opinions; If there is a sound insulation, heat insulation, thermal insulation, such as requirements, professional design unit should be checked. Required to provide calculations and related glass after the test report for our review. And the minimum thickness of glass should be not less than 4 mm, single block area of 1.5 m2 more safety glass should be adopted; Door glass is more than the minimum thickness of 0.5 m2 should not less than 6 mm safety glass, the main flow channel glass door safety glass should be adopted.
2.3.4. Hollow glass for molecular sieve (desiccant), aluminum bar and butyl rubber and polysulfide rubber double rubber sealing side of the hollow glass, hollow air whether the use of special gas choice opinions by professional design units determined by way of our company.
2.3.5. Glass size deviation, appearance quality and performance shall comply with current standards of the following provisions:
The laminated glass (GB9962)
"Tempered glass" (GB/T9963)
The float glass (GB11614)
The hollow glass (GB11944)
The curtain wall with tempered with toughened glass (GB17841)
The wired glass (JC433)
The embossed glass (JC/T511)
The heat absorbing glass (JC/T511)
The heat reflective glass (JC693)
2.4. Hardware accessories
Against 2.4.1. PVC doors and Windows with hardware fittings shall comply with the provisions of the current standards of the following:
The polyvinyl chloride (PVC) doors and Windows of hand JG/T 124-2000
The polyvinyl chloride (PVC) door hinge (hinge) JG/T 125-2000
Polyvinyl chloride (PVC) Windows and doors transmission lock JG/T 126-2000
The friction of polyvinyl chloride (PVC) doors and Windows of JG/T 127-127
The polyvinyl chloride (PVC) Windows and doors stays JG/T 128-2000
The polyvinyl chloride (PVC) doors and Windows pulley JG/T 129-2000
The stator of polyvinyl chloride (PVC) doors and Windows of JG/T 132-132
"The outside door lock" (GB/T2473)
The billiard inserted core locks (GB/T2474)
"The blade lock" (GB/T2475)
The spherical door lock (GB/T2476)
According to the weight of the door to door designed 2.4.2 matching hardware accessories (nominal capacity should be greater than 1.5 on the actual load), mobile hardware should be able to meet the use of more than 30000 times a class B product, when bidding report samples and factory information.
2.4.3. Flat open doors and Windows using the connecting rod lock: lock point away from the corner is not more than 150 mm, the distance between the two lock point is not more than 800 mm; Hinge (or friction), a hinge between the distance is greater than 1000 mm above, each no bigger than 800 mm dotted lock set a dark; In flat open width is greater than 800 mm, also should be set below the lock.
2.4.4. The hanging on the window of width less than 800 mm can use a hand "7" word, width is greater than 800 mm in accordance with the article on the execution.
2.4.5. A hand handle, hand base, transmission rod, lock cylinder and lock piece of Q235 steel, handle and base surface coating with polyester powder coating, the other for galvanized anti-corrosion. 8 corrosion resistant capacity of 48 h.
2.5 sealing material
2.5.1. PVC doors and Windows sealing strip must for epdm gaskets, and comply with current standards.
2.5.2. PVC doors and Windows with wool top sealing after siliconizing of polypropylene fiber wool top sealing must be used, and in line with the current "seal top technical conditions" JC - T / 635. Choose model can satisfy the requirement of air permeability.
2.5.3. PVC doors and Windows with a variety of sealant should be consistent with the provisions of the current standards of the following:
The silicone building sealant (GB/T14683)
The architectural structure of silicone sealant (GB16776)
The polysulfide building sealant (JC483)
The building window with elastic sealant (JC485)
2.6 strengthen the steel
2.6.1. PVC doors and Windows with the enhancement of steel in the polyvinyl chloride (PVC) Windows and doors reinforced steel JG/T 131-2000. By no less than in the provisions of GB/T 11253 mechanical properties of Q235 steel in accord with GB/T 2518-2518 (100 - PT - Z - L - B - thickness x width) of the hot dip galvanized steel strip rolling and Q235 steel hot-dip zinc anti-corrosion treatment after rolling. The corrosion resistance, with up to 8 48 h.
2.6.2. All outside doors and Windows of PVC inner chamber must be set to enhance section steel, steel wall thickness must be determined in accordance with article 3.1 below the wind resistant design calculation, and shall not be less than 1.5 mm. Windows could satisfy the requirement of stress calculated facility within reinforced steel.
2.6.3. Strengthen the steel should be consistent with the profile lumen size, enhance the fit clearance between the shape and profile lumen per side with 1 mm + / - 0.5 mm advisable, used to enhance the distance of the end of the steel and weld should not be greater than 5 mm, and should not affect the end of the welding, each profile only allows the use of a reinforced steel. For fixed each reinforced steel fasteners, shall not be less than 3, the distance should not be greater than 300 mm, two rows of dislocation arrangement, fasteners, with a maximum distance of weld of profile should not be more than 20 mm, enhanced after fixed payments shall not be loose.
Need to weld profile of welds, enhance steel should be as long as possible close to the seam, for 45 DHS welds, steel should be cut into 45 DHS.
2.6.4. Combination window and even Windows has grown two millimeters spell material should be used instead of inner cavity closely match the enhancement of steel as lining, has grown two millimeters should compete on both ends of the steel material out of 10 ~ 15 mm long. Outside the window has grown two millimeters spell section size and shape of the section steel, wall thickness, should be able to make composite window under instantaneous wind pressure value in the region.
2.7.1. Exposed fasteners are made of galvanized or stainless steel material. Shall not adopt aluminum doors and Windows component force connection core pulling rivets do fasteners. Core pulling rivets shall not be exposed.
3 of window of model steel door design requirements
3.1 wind resistance design
3.1.1. The wind load on the outer doors and Windows of building, as the current national standard "load code for the design of building structures" (GB50009) regulation of palisade structure wind load values, press type calculation, and the model steel window is not less than 1.0 kN/m2, plastic door is not less than 1.5 kN/m2
Wk = a beta gz mu mu s zW0
Type: Wk - a palisade structure wind load standard values (kN/m2)
The gust coefficient of beta gz - height Z place, according to the load code for the design of building structures (GB50009).
Mu s - prescribed by ritual law carrier form factor, according to the load code for the design of building structures (GB50009) 7.3.3 using local shape coefficient of wind pressure regulation. When building the wind tunnel test, is decided according to the results of wind tunnel test.
Mu z - wind pressure height coefficient, according to the "load code for the design of building structures (GB50009) used.
W0 - basic wind pressure (kN/m2), in accordance with the "load code for the design of building structures (GB50009) the provisions of the return period of 50 years of basic wind pressure.
3.1.2. According to the load condition and support condition using structural mechanics method for typical doors and Windows of the main stress calculation and checking calculation of reinforced steel, select the appropriate increase steel or reinforced artifacts. Doors and Windows, the forces of PVC profiles
can ignore don't calculate, counting only enhance the stress of the steel. With reference to the building outside the window the wind resistance classification and its detection methods GB7106-86 appendix A the building outside the window the wind pressure strength calculation method for stress calculation.
3.1.3. Force reinforced steel doors and Windows produced by wind load forces maximum deflection value should meet the requirements of the type, and at the same time satisfy the absolute deflection value should be no greater than 15 mm:
Umax [u] or less
Type: umax - component bending maximum deflection value;
[u] - component bending allowed deflection value: l / 180.
Fk1 - fk
3.1.4. Enhance sections and fittings strength calculation should conform to the requirements for the type:
Sigma k or less
Type: sigma k - stress produced by wind load (standard);
Fk1 - fk - material strength standard;
K - safety coefficient.
3.1.5. Material strength standard values and the safety factor should comply with the following table:
Material strength standard values and safety coefficient
Material strength standard values of fk1 - fk
Safety factor K
Strengthen the steel
Specified extension stress ()
Steel fittings, steel bolts and screws
Stainless steel fittings, stainless steel bolts and screws
Specified extension stress ()
3.1.6. Applies to exist (such as) stainless steel core pulling rivets pulling force and shear force, should be no greater than in accordance with the conditions of core pulling rivets technology (GB12619) specified minimum tensile load and minimum shear load divided by the safety factor K (1.55).
3.1.7. Apply to box and fan of clamp force, shall not exceed the regulations of the product standard, or greater than the manufacturer to provide the parts under the minimum load values divided by the safety factor K (1.55).
3.1.8, door and window glass resistance to wind pressure calculation should according to the current industry standard "technical specification" architectural glass application (JGJ113) regulations. Calculation formula is as follows:
A) supporting four edges of glass of the large area can be calculated by the following formula:
When the glass thickness t 6 mm or less, Amax = 0.2 alpha t1.8 / Wk. A
When t > 6 mm glass thickness, Amax = alpha t1.6 (0.2 + 0.8)/Wk. A
Wk - a wind load values, kPa;
Amax - glass maximum allowable area, m2;
T - the thickness of the glass, mm; Toughened, half steel, wire, embossed glass according to single piece of glass thickness calculation; Laminated glass according to the total thickness is calculated; Hollow glass according to two pieces of glass in the chip thickness calculation;
Alpha - resistance coefficient of wind pressure adjustment, according to the following table. If the laminated glass working temperature over 70 ℃, adjust the coefficient should be 0.6; The resistance to wind pressure adjustment coefficient of toughened glass should be the test (see) manufacturers to provide test data to determine; Combination of glass wind pressure coefficient of resistance should be the product of the resistance to wind pressure coefficient of different types of glass.
Glass resistance to wind pressure adjustment coefficient (alpha)
Tablet, float glass
Half toughened glass
Adjust the coefficient of
1.5 ~ 3
B) supporting glass on both sides of the allowable span should be calculated by the following formula:
L = 0.142 alpha 0.5 t/Wk0. 5
The above type of symbols.
3.1.9. Doors and Windows of wind pressure resistance grading see the table below:
Wind load standard values (kN/m2)
1.0 or higher
1.5 or higher
2.0 or higher
2.5 or higher
3.0 or higher
3.5 or higher
4.0 or higher
4.5 or higher
5.0 or higher
7.0.x.x in table 5.0 or higher is replaced with concrete values when classification codes
The engineering level of wind resistance for grade 4
3.1.10. Doors and Windows wind pressure resistance test
Sampling test at the scene, according to the current inspection standard for testing.
3.2 watertight performance design
3.2.1. Watertight performance indicators: design wind pressure difference Δ P according to local regulations, calculate and determine the wind pressure value of press type, and to open the window to 350 pa; Flat open the door and sliding door window is not less than 250 pa:
Δ P acuity 0.50 mu zW0
W0 - basic wind pressure (Pa), according to the current national standard "load code for the design of building structures (GB50009) the provisions of the return period of 50 years of basic wind pressure