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JG/T 197-2018: Prestressed spun concrete square piles
Status: Valid JG/T 197: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| JG/T 197-2018 | English | 509 |
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Prestressed spun concrete square piles
| Valid |
JG/T 197-2018
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| JG 197-2006 | English | 639 |
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Prestressed spun concrete square piles
| Obsolete |
JG 197-2006
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PDF similar to JG/T 197-2018
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Count Estimation | 22,238 | | Date of Issue | 2018-11-07 | | Date of Implementation | 2019-04-01 | | Older Standard (superseded by this standard) | JG/T 197-2006 | | Regulation (derived from) | Ministry of Housing and Urban-Rural Development Announcement 2018 No. 273 | | Issuing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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