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GB/T 18250-2015 English PDF (GBT18250-2015)

GB/T 18250-2015 English PDF (GBT18250-2015)

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GB/T 18250-2015: Graduations and test method for performance of deformation between stories of curtain wall

This Standard specifies the terms and definitions, graduations, general provisions, inspection principle, testing equipment, loading method, specimen and mounting requirements, testing steps, test results and assessment and testing report for performance of deformation between stories of curtain wall.
GB/T 18250-2015
GB
NATIONAL STANDARD OF
THE PEOPLE REPUBLIC OF CHINA
ICS 91.060.10
P 32
Replacing GB/T 18250-2000
Graduations and test method for performance of
deformation between stories of curtain wall
ISSUED ON. OCTOBER 9, 2015
IMPLEMENTED ON. SEPTEMBER 1, 2016
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 5
4 Graduations ... 7
5 General provisions ... 8
6 Inspection principle ... 8
7 Testing equipment ... 8
8 Loading method ... 10
9 Specimen and mounting requirements ... 11
10 Testing steps ... 12
11 Testing results and assessment ... 16
12 Testing report ... 17
Annex A (Informative) Test method for deformation performance combined
direction of curtain wall ... 19
Foreword
This Standard was drafted in accordance with the rules given in GB/T
1.1-2009.
This Standard replaces GB/T 18250-2000 Test method for performance in
plane deformation of curtain walls. Compared with GB/T 18250-2000, the
main technical modifications in this Standard are as follows.
- provided the definition of deformation performance of curtain wall (see 3.2);
- added the graduations for performance of deformation between stories
of curtain wall (see Clause 4);
- added the outer plane (Y axis dimension) and vertical direction (Z axis dimension) deformation performance and test method (see 10.3, 10.4);
- added the test method for displacement performance between stories of curtain wall (see Annex A).
This Standard was proposed by Ministry of Housing and Urban-Rural
Development of the People's Republic of China.
This Standard shall be under the jurisdiction of National Technical Committee on Building Facades Windows and Doors of Standardization Administration of China (SAC/TC 448).
The drafting organizations of this Standard. China Academy of Building
Research, China Construction Metal Structure Association, Guangdong
Provincial Institute of Building Science, Shenyang Yuanda Aluminum
Engineering Co., Ltd., Guangzhou Aluminum Decoration Engineering Co.,
Ltd., Beijing Industry University, Shanghai Institute of Building Science (Group) Co., Ltd., Shandong Provincial Institute of Building Science,
Guangdong Kennedy Lang Hardware Products Co., Ltd., Guangzhou City
Building Science Research Institute Co., Ltd., Shanghai Construction
Supervision Co., Ltd., Zhongshan Shengxing Co., Ltd., Shenzhen Shenye
Tailan Construction Engineering Co., Ltd., Henan Construction Science
Research Institute Co., Ltd., Hebei Austrian Run Shunda Window Industry Co., Ltd., Tianjin Jin Bell Construction Engineering Testing Technology Co., Ltd., Zhejiang New Century Engineering Inspection Co., Ltd., Tianjin Jianke Building Energy-saving Environmental Testing Co., Ltd., Ningbo and State Testing Research Limited, Hubei Product Quality Supervision and Inspection Research Institute, China Building Materials Inspection and Certification Center, Jangho Curtain Wall Co., Ltd., Shanghai Timalco Curtain Wall
Engineering Technology Co., LTD.
Graduations and test method for performance of
deformation between stories of curtain wall
1 Scope
This Standard specifies the terms and definitions, graduations, general provisions, inspection principle, testing equipment, loading method, specimen and mounting requirements, testing steps, test results and assessment and testing report for performance of deformation between stories of curtain wall. This Standard is applicable to grading testing and engineering testing for performance of deformation between stories of curtain wall.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 15227, Test method of air permeability, water tightness, wind load resistance performance for curtain walls
GB 50011, Code for seismic design of buildings
JGJ/T 97, Standard for terminology in earthquake engineering
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB 50011, JGJ/T 97 and the following ones apply.
3.1 deformation between stories
relative displacement between two adjacent building stories at horizontal direction (X axis), out plane horizontal direction (Y-axis, perpendicular to X-axis direction) and vertical direction (Z-axis) within the curtain wall plane under the effects of earthquake, wind load, etc.; X axis, Y axis, Z axis directions are shown in Figure 1.
parts from damage and dysfunction when the story is repeatedly displaced in the Y-axis dimension
3.6 deformation performance vertical direction of curtain wall
curtain wall Z-axis dimension deformation performance
the ability that the curtain wall maintains its own and the main connection parts from damage and dysfunction when the story is repeatedly displaced in the Z-axis dimension
3.7 deformation performance combined direction of curtain wall
the ability that the curtain wall maintains its own and the main connection parts from damage and dysfunction when the story, in the X-axis, Y-axis, Z-axis dimensions, simultaneously produces two or three dimensions of the repeated displacements
3.8 drift angle between stories
the ratio of the inter-story displacement value to the height of the story along with X-axis, Y-axis dimension directions
3.9 vertical displacement between stories
the height change between adjacent stories along with Z-axis dimension
direction
4 Graduations
4.1 Graduation indexes
4.1.1 The deformation performance in plane of curtain wall shall take the drift angle between stories of X-axis dimension direction as graduation index value, in ??x.
4.1.2 The deformation performance out plane of curtain wall shall take the drift angle between stories of Y-axis dimension direction as graduation index value, in ??y.
4.1.3 The deformation performance vertical direction of curtain wall shall take the vertical displacement between stories of Z-axis dimension direction as graduation index value, in ??z.
4.2 Graduations for performance of deformation between stories of
curtain wall
The graduations for performance of deformation between stories of curtain 9.1.6 The point support curtain wall specimen shall have at least four glass plates and a complete cross seam same with the actual construction. The support structure shall have at least one typical bearing unit. The point support curtain wall which uses glass rib support shall comply with the provisions of full glass curtain wall simultaneously.
9.2 Mounting requirements
The mounting of the specimen shall meet the design requirements. No
special attachments or other measures shall be taken. The assembly,
mounting method and force of specimen shall be in accordance with the
actual conditions. The specimen shall be mounted on a fixed beam or
movable beam according to the actual connection method. The fixed beam or movable beam shall be mounted on the mounting bracket.
10 Testing steps
10.1 Preparation before testing
10.1.1 The specimen shall be inspected after mounting. After the inspection is completed, the openable part of the specimen shall be switched off five times then fastened up.
10.1.2 Inspect that the pendulum or movable beam is not constrained in the range along the displacement direction. At the same time, there shall be a corresponding limit measure outside the range so as to ensure that the
pendulum or movable beam does not produce displacement in any other
direction.
10.1.3 Mount the test static loader according to the selected loading method. The arrangement of the loading device should be reasonable so as to ensure the effectiveness of the displacement produced.
10.2 X-axis dimension deformation testing
10.2.1 Mounting displacement measuring device
Mount the displacement measuring device at the bottom of the swing lever or at the end of the movable beam. And make the displacement measuring
device in normal operation. At the same time, the displacement measuring device can be added to the side of curtain wall component at the connection corner connector of the curtain wall specimen and the movable beam. X-axis dimensional deformation performance displacement measurement device
mounting is shown in Figure 5.
H - story height, in millimeters (mm);
??x - X-axis dimension direction horizontal displacement absolute v...

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