GB 26134-2024 PDF EnglishUS$215.00 · In stock · Download in 9 seconds
GB 26134-2024: Roof crush resistance of passenger cars Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 26134: Historical versions
Similar standardsGB 26134-2024: Roof crush resistance of passenger cars---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB26134-2024GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.60 CCS T 26 Replacing GB 26134-2010 Roof crush resistance of passenger cars Issued on. AUGUST 23, 2024 Implemented on. JULY 01, 2025 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 4 4 Technical requirements... 5 5 Test method... 5 6 Determination of the same type... 8 7 Implementation of the standard... 8ForewordThis document was drafted in accordance with the provisions of GB/T 1.1-2020 “Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents”. This document replaces GB 26134-2010 “Roof crush resistance of passenger cars”. Compared with GB 26134-2010, in addition to structural adjustments and editorial changes, the main technical changes are as follows. - ADD the term “sunroof” and its definition (see 3.1 of this document); - MODIFY the definition of the term “front windshield trim” (see 3.2 of this document, 2.4 of the 2010 edition); - MODIFY the limits of the load applied to the vehicle (see Clause 4 of this document, Clause 3 of the 2010 edition); - ADD the limits of the force bore by the head model (see Clause 4 of this document); - ADD the requirements for the vehicle’s tilt angle when positioning the vehicle (see 5.1 of this document); - ADD the adjustment method of the front outer seats of the vehicle (see 5.2 of this document); - ADD the requirements for the head model (see 5.3 of this document); - ADD the determination of the same type (see Clause 6 of this document); - ADD the implementation of the standard (see Clause 7 of this document). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority of this document shall not be held responsible for identifying any or all such patent rights. This document was proposed by and shall be under the jurisdiction of Ministry of Industry and Information Technology of the People’s Republic of China. This document was first issued in 2010 and this is the first revision. Roof crush resistance of passenger cars1 ScopeThis document specifies the technical requirements, test method and determination of the same type for the roof crush resistance of passenger cars. This document applies to M1 vehicles and not to convertibles.2 Normative referencesThe 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 11551 The protection of the occupants in the event of a frontal collision for motor vehicle3 Terms and definitionsFor the purpose of this document, the following terms and definitions apply. 3.1 sunroof Fixed or movable (slide and/or tilt) roof cover. 3.2 front windshield trim Any trim between the front windshield and the outer surface of the roof. 3.3 raised roof The raised area on the roof system (located on the top of the passenger compartment, consisting of the frame, panel interior and related body accessories). 3.4 altered roof A replacement roof that is higher than the original roof after the original roof of the vehicle has been partially or completely removed.4 Technical requirementsAccording to the test method specified in Clause5, for vehicles with symmetrical body structures, one side is randomly selected to apply the load; for vehicles with asymmetrical body structures, the weaker side of the body structure is selected to apply the load.5 Test method5.1 Before the test, support the vehicle so that its tires are off the ground, rigidly fix the vehicle’s sill beams and frame (if applicable) on a horizontal plane, adjust the vehicle so that the longitudinal tile angle at the sill beams on both sides is 0° ± 0.5°, and the difference of the vertical distances between the reference point on the lower surface of the sill beams on both sides and the horizontal plane is not greater than 10 mm. 5.2 The front outer seats of the vehicle are adjusted to the specified positions as follows. 5.3 Adjust the front outer seats of the vehicle to the specified position in accordance with the provisions of 5.2, install the three-dimensional H-point device in accordance with the provisions of GB 11551, and adjust the calf length of the three-dimensional H- point device to 414 mm and the thigh length to 401 mm. Keep the position of the three- dimensional H-point device unchanged, remove two torso counterweights on each side, replace them with torso counterweights of the headrest measuring device, install the headrest measuring device on the three-dimensional H-point device, and adjust the headrest measuring device to make it horizontal. 5.4 The loading device is a rigid plate, and its lower surface is a flat rectangular surface of 1829 mm × 762 mm. Position the loading device as shown in Figure 1, so that its longitudinal axis is 5° ± 0.5° tilt forward from the horizontal plane [see Figure 1a)] and is parallel to the vertical plane passing through the longitudinal centerline of the vehicle; the transverse axis is 25° ± 0.5° tilt outward from the horizontal plane [see Figure 1b)]. 5.6 For vehicles with raised roofs or altered roofs, adjust the position of the loading device in accordance with the provisions of 5.5.If the contact point between the loading device and the roof is located on the raised roof or altered roof behind the roof above the front seat area, the position of the loading device shall be adjusted so that the midpoint of the rear edge of its lower surface is within a range of no more than 10 mm from the last transverse vertical plane of the roof above the front seat area. 5.7 Move the loading device straight downward in a direction perpendicular to its lower surface. The loading speed shall not exceed 13 mm/s until the load specified in Clause 4 is reached. The loading process shall be completed within 120 seconds, and the loading device shall not rotate during the loading process.6 Determination of the same typeIf the following provisions are met, it is considered to be the same type.7 Implementation of the standardFor new models applying for type approval, implementation will begin from the date of implementation of this document. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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