JG/T 197-2018 English PDF

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JG/T 197-2018: Prestressed spun concrete square piles
Status: Valid

JG/T 197: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JG/T 197-2018	509	Add to Cart	4 days	Prestressed spun concrete square piles	Valid
JG 197-2006	639	Add to Cart	3 days	Prestressed spun concrete square piles	Obsolete

Similar standards

JG/T 163   JGJ 7   GB 50202   JGJ 476   JG/T 196   JGJ/T 197   

Basic data

Standard ID: JG/T 197-2018 (JG/T197-2018)
Description (Translated English): Prestressed spun concrete square piles
Sector / Industry: Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard: P22
Classification of International Standard: 93.020
Word Count Estimation: 22,238
Date of Issue: 2018-11-07
Date of Implementation: 2019-04-01
Older Standard (superseded by this standard): JG/T 197-2006
Regulation (derived from): Ministry of Housing and Urban-Rural Development Announcement 2018 No. 273
Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China

JG/T 197-2018: Prestressed spun concrete square piles

---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.
(Prestressed concrete hollow square pile) ICS 93.020 P22 People's Republic of China Construction Industry Standard Replace JG/T 197-2006 Prestressed concrete hollow square pile Published on.2018-11-07 Implementation of.2019-04-01 Ministry of Housing and Urban-Rural Development

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Classification and Marking 1 4 Material 3 5 General requirements 4 6 Requirements 5 7 Test method 8 8 Inspection rules 9 9 signs, product certification 12 10 Stacking, hoisting and transport 12 Appendix A (Normative Appendix) Calculation method for effective prestressing stress value of prestressed concrete hollow square piles 14 Appendix B (normative appendix) Test method for flexural behavior of prestressed concrete hollow square piles 16 Appendix C (normative appendix) Test method for shear behavior of prestressed concrete hollow square piles 18

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces JG 197-2006 "Prestressed Concrete Hollow Square Pile". The main technical changes in this standard compared with JG 197-2006 as follows. --- Revised scope (see Chapter 1, Chapter 1 of the.2006 edition); --- Increased classification of hollow square piles (see 3.1); ---Adjust the specifications of hollow square piles (see 3.2.2, 3.3.1 of.2006 edition); ---Adjusted the marking of hollow square piles (see 3.3, 3.4 of.2006 edition); --- Adjusted the quality requirements for aggregates, steel, admixtures and other materials (see 4.2, 4.3, 4.6, 4.1 edition of.2006); --- Increased the minimum thickness requirements for end plates and end plates (see 4.3.3); --- Adjusted the minimum reinforcement ratio of prestressed steel bars (see 5.2.1, 4.2.2.1 of.2006 edition); --- Adjusted stirrups (see 5.2.2, 5.2.3,.2006 edition 4.2.2.2, 4.2.2.3); --- Increased durability requirements for hollow square piles (see 5.4); --- Increase the bearing capacity requirements of the hollow square pile (see 5.5); --- Adjust the requirements for compressive strength of concrete when laying prestressed steel bars (see 6.3.1, 5.1.3 of.2006 edition); --- Adjusted the thickness of the concrete protective layer of prestressed steel (see 6.1, 5.2 of.2006 edition); --- Adjusted the requirements for the appearance quality and dimensional tolerance of hollow square piles (see Table 3, Table 4, Tables 2 and 3 of the.2006 edition); --- Adjusted the bending resistance of hollow square piles (see Table 5, Table 4 of the.2006 edition); --- Increased the shear resistance of hollow square piles (see 6.6); ---Adjusting the inspection tools and inspection methods for the thickness, appearance quality and dimensional tolerance of the concrete protective layer of hollow square piles (see Table 7, Table 5 of the.2006 edition); --- Increased test method for concrete compressive strength (see 7.4.2); --- Increased inspection classification (see 8.1); --- Increased the calculation method for effective pre-stress of hollow square piles (see Appendix A); --- Added test method for shear performance of hollow square piles (see Appendix C). This standard was proposed by the Institute of Standardization of the Ministry of Housing and Urban-Rural Development. This standard is under the jurisdiction of the Ministry of Housing and Urban-Rural Development. This standard is drafted by. China Academy of Building Research Ltd. Participated in the drafting of this standard. Yunnan Zhongji Pipe Pile Co., Ltd., Guangdong Sanhe Pipe Pile Co., Ltd., Tianjin Jiancheng Foundation Group Company, Jianhua Pipe Pile Holdings Co., Ltd., Shanghai Xingnan Concrete Co., Ltd., Tianjin Municipal Investigation Institute, Tangshan Longjing Cement Products Co., Ltd. Sitanghai Branch, Shanghai Geotechnical Investigation and Design Institute Co., Ltd., Guangzhou Building Science Research Institute Co., Ltd., Guangdong Province Foundation Engineering Company, China Construction Technology Group Co., Ltd., Tianjin Binhai New Area Construction Research Institute, Shaanxi Provincial Academy of Building Research, Dongying City Survey Surveying and Mapping Institute, Linyi City Planning and Architectural Design and Research Institute, Shanghai Basic Engineering Company. The main drafters of this standard. Liu Jinbo, Wei Yiling, Wang Zhong, Wang Guangyu, Li Lianying, Guo Jinxue, Liu Yongchao, Sha An, Yan Xiaorong, Yang Qiuling, Zhao Xiaoguang, Zhou Yongxiang, Hou Dayuan, Zhu Wuwei, Yang Huifeng, Ren Da, Shao Mengxin, Yang Shifei, Cui Fengxiang, Hu Hesong, Chen Fangbin, Zheng Gang, Hao Hao, Li Yaoliang and Yu Yuanbao. The previous versions of the standards replaced by this standard are. ---JG 197-2006. Prestressed concrete hollow square pile

1 Scope

This standard specifies the classification and marking, materials, general requirements for pre-tensioned prestressed concrete hollow square piles (hereinafter referred to as hollow square piles). Requirements, test methods, inspection rules, signs, product certification, stacking, hoisting and transportation. This standard is applicable to centrifugally formed pretensioned prestressed concrete hollow square piles used in industrial and civil construction, municipal and other projects.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 175 universal Portland cement GB/T 700 carbon structural steel GB/T 701 low carbon steel hot rolled strip GB/T 1499.2 Steel for reinforced concrete - Part 2. Hot rolled ribbed bars GB/T 1596-2017 Fly ash used in cement and concrete GB/T 5223.3-2017 steel bars for prestressed concrete GB 8076 concrete admixture GB/T 14684 construction sand GB/T 14685 construction pebbles, gravel GB/T 18046-2017 Granulated blast furnace slag powder for cement, mortar and concrete GB/T 18736-2017 mineral admixture for high strength and high performance concrete GB 50010-2010 Specification for concrete structure design GB/T 50081 Standard test method for mechanical properties of ordinary concrete GB/T 50107 concrete strength inspection and evaluation standard GB 50164 concrete quality control standard JC/T 950-2005 Silica sand powder for prestressed high strength concrete pipe pile JC/T 2239 end plate for prestressed centrifugal concrete hollow square pile JG J19 cold drawn low carbon steel wire application technical regulations JG J63 concrete water standard

3 Classification and marking

3.1 Classification and code Hollow square piles are divided into prestressed high-strength concrete hollow square pile C80 (code PHS) and prestressed concrete empty according to concrete strength grade. Heart square pile C60 (code PS). 3.2 Specifications 3.2.1 Schematic diagram of the hollow square pile is shown in Figure 1. ......

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