GB/T 4751-2016 English PDF

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GB/T 4751-2016: Specification for check and acceptance of the quality for household anaerobic digesters
Status: Valid

GB/T 4751: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4751-2016	199	Add to Cart	3 days	Specification for check and acceptance of the quality for household anaerobic digesters	Valid
GB/T 4751-2002	319	Add to Cart	3 days	Specification for check and acceptance of the quality for household anerobie digesters	Obsolete
GB/T 4751-1984	199	Add to Cart	2 days	The standard for check and acceptance of the quality for household hydraulic biogas digesters in rural areas	Obsolete

Similar standards

GB/T 29729   GB/T 29838   GB/T 29411   GB/T 4752   GB/T 4750   

Basic data

Standard ID: GB/T 4751-2016 (GB/T4751-2016)
Description (Translated English): Specification for check and acceptance of the quality for household anaerobic digesters
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F19
Classification of International Standard: 27.180
Word Count Estimation: 10,14
Date of Issue: 2016-10-13
Date of Implementation: 2017-05-01
Older Standard (superseded by this standard): GB/T 4751-2002
Regulation (derived from): National Standard Notice No.1716 of 2016
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 4751-2016: Specification for check and acceptance of the quality for household anaerobic digesters

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specification for check and acceptance of the quality for household anaerobic digesters ICS 27.180 F19 National Standards of People's Republic of China Replace GB/T 4751-2002 Household biogas digesters - Quality inspection and acceptance 2016-10-13 released 2017-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 3 build pool material 1 Earthwork 5 template works 2 6 concrete works 2 7 brick masonry and prefabricated board works 3 8 cement seal test 4 Inspection of Coating Seal 4 10 the overall construction quality and sealing performance acceptance and testing methods 4 11 completion of the whole project acceptance 5 Table 1 Pond Excavation Permissible Deviation 1 Table 2 cast-in-place template installation allowable deviation 2 Table 3 Allowable deviation of cast-in-place concrete biogas digesters Table 4 Bricks allowable deviation 3 Table 5 Household biogas digesters construction record table 5 Table 6 Acceptance and registration of biogas digesters 5

Foreword

This standard and GB/T 4750-2016 and GB/T 4752-2016 and the proposed "household biogas digesters operation and maintenance norms" together Constitute a household biogas digesters design, construction, acceptance, operation of the series of national standards. This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard instead of GB/T 4751-2002 "Household biogas digesters quality inspection acceptance". This standard and GB/T 4751-2002 phase The main changes are as follows. - Adjusted normative references (see Chapter 2, Chapter 2 of the.2002 edition); - modified the number of test points for the allowable deviation of the cast-in-place template installation (see 5.3, 5.3 of.2002); --- canceled the "pressure method" test (2002 version 10.2.2); --- increase the engineering plastics, glass fiber reinforced plastics and other commercial biogas digesters sealing performance testing requirements and methods (see 10.4); - the completion of the overall project acceptance, an increase of "household biogas digesters construction record" (see 11.2). Please note that some of the contents of this document may involve patents. The issuer of this document does not assume responsibility for the identification of these patents. This standard is proposed by the Ministry of Agriculture Science and Technology Education Division. This standard is nationalized by the National Biogas Standardization Technical Committee (SAC/TC515). The drafting unit of this standard. Ministry of Agriculture, Agricultural Ecology and Resource Protection Station, Kunming Energy Research Association, Northwest A & F University, Ministry of Agriculture marsh Gas Products and Equipment Quality Inspection Center, China Biogas Society, Yunnan Normal University. The main drafters of this standard. Li Jingming, Zhang Wanjun, Qiu Ling, Zheng Shihuan, Xie Jian, Dong Baocheng, Sun Liying, Liu Geng, Li Bingfeng, Xu Wenyong, Liu Xinqing. This standard replaced the previous version of the standard release. --- GB/T 4751-1984, GB/T 4751-2002. Household biogas digesters - Quality inspection and acceptance

1 Scope

This standard specifies the use of biogas digesters in concrete cast-in-place, reinforced concrete precast panels, engineering plastics and glass fiber reinforced plastics and other materials Material construction and construction of concrete sealed pool construction quality inspection and acceptance of the content, methods and requirements. This standard applies to GB/T 4750 design and construction of GB/T 4752 biogas digesters quality inspection and acceptance.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB 166 General Portland cement GB/T 4750 household biogas digesters design specifications Code of practice for construction of biogas digesters GB/T 4752 households Standard for test methods for mechanical properties of ordinary concrete GB/T Code for acceptance of construction quality of masonry structure GB 50203 Standard for Sand, Stone Quality and Test Method for Ordinary Concrete Standard Test Method for Basic Performance of Building Mortar JGJ/T 70

3 build pool material

3.1 Acceptance of cement inspection shall comply with the provisions of GB 175. 3.2 sand inspection and acceptance should be consistent with the provisions of JGJ52. Earthwork 4.1 biogas pond pond foundation bearing capacity design value of not less than 50kPa. Inspection method. check the construction records. 4.2 backfill should be tamponized, the mass density value required to reach 1.8g/cm3, the deviation is not greater than (1.8 ± 0.03) g/cm3. Test methods. inspection of construction records and soil sampling and determination, each pool to take two points. 4.3 pit pit excavation elevation, diameter, wall vertical and surface smoothness of the allowable deviation and test methods in Table 1. Table 1 pool pit excavation allowable deviation Item Tolerance/mm Test Method Check Points Diameter 20 with a precision of 1mm steel tape measurement 4 Elevation 15, -5 with the level of construction by the record line, with a precision of 1mm steel tape measurement 4 Verticality ± 10 Measured with steel bars with heavy hammer line and 1 mm precision Surface flatness ± 5 Measured with 1m scale and wedge gauge 4 ......

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