GB/T 27903-2011 in English

《GB/T 27903-2011电梯层门耐火试验 完整性、隔热性和热通量测定法》由TC113（全国消防标准化技术委员会）归口，TC113SC8（全国消防标准化技术委员会建筑构件耐火性能分会）执行，主管部门为应急管理部。

Fire resistance test for lift landing doors - Methods of measuring integrity, thermal insulation and heat flux

1 Scope

This standard specifies the terms and definitions, fire resistance codes and rating, test apparatus, test piece conditions, test piece preparation, test procedures, test results, validity of test results and test reports, etc. on general method of fire resistance test for lift landing doors.

It is applicable to all types of lift landing doors.

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 5907 Fundamental terminology of fire protection - Part 1
GB/T 14107 Fundamental terminology of fire protection - Part 2
GB 7588 Safety rules for the construction and installation of electric lifts
GB/T 7633 Fire resistance tests - Door and shutter assemblies
GB/T 9978.1 Fire-resistance tests - Elements of building construction - Part 1: General requirements

3 Terms and definitions

For the purposes of this document, the terms and definitions given in GB/T 5907, GB/T 14107 and GB/T 9978.1 and the following apply.

3.1
lift landing door
door installed at the opening on each floor of the lift shaft for people to enter and exit the lift

3.2
insulated lift landing door
lift landing door which can meet the requirements of fire integrity and fire insulation at the same time within a certain time

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Fire resistance codes and rating
5 Test apparatus
6 Test conditions
7 Test piece preparation
8 Test procedures
9 Test results
10 Validity of test result
11 Test report