JGJ63-2006 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| JGJ 63-2006 | English | 145 |
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Standard of water for concrete
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| JGJ 63-1989 | English | 279 |
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Standard for water of mixing in concrete
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JGJ 63-2006: Standard of water for concrete---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/JGJ63-2006
JGJ
PROFESSIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
UDC
Standard of water for concrete
Issued on. JULY 25, 2006
Implemented on. DECEMBER 1, 2006
Issued by. Ministry of Construction of the people’s Republic of China
PROFESSIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
Standard of water for concrete
J 531-2006
Approval Department. Ministry of Construction of the people’s Republic of
China
Implementation date. December 1, 2006
2006, Beijing
Announcement of Ministry of Construction
of the People’s Republic of China
No. 461
Foreword
According to the requirements of Document Jian Biao [2004] No. 66 issued by Ministry
of Construction (MOC), and after making extensive investigations and studies,
conscientiously summing up practical experiences, referring to relevant foreign
advanced standards, and basing on extensive solicitation of opinions, the standard
developing group has revised the original “Standard of water for concrete mixing” JGJ
63-89.
The main technical contents of this Standard are. 1.General; 2.Terms; 3.Technical
requirements; 4.Inspection methods; 5.Inspection rules; 6.Result evaluation.
The main contents revised are. 1.AMEND the standard name to “Standard of water
for concrete”, INCORPORATE water for concrete maintenance into this Standard; 2.
ADD the chapter of terms, CANCEL the chapter of classification; 3.INCORPORATE
urban recycling water into this Standard; 4.In the technical requirements for water
quality, the pH value of water for prestressed concrete is increased from 4.0 to 5.0,
and the pH value of water for reinforced concrete and plain concrete is increased from
4.0 to 4.5; the chloride content (in Cl-) in water for reinforced concrete is reduced from
1200 mg/L to 1000 mg/L; the chloride ion content in water for structural concrete with
a design service life of 100 years shall not exceed 500 mg/L; the sulfate (in SO42-) is
reduced from 2700 mg/L to 2000 mg/L; CANCEL the sulfide inspection items; ADD the
content of alkali content; 5.ADD the radioactivity inspection items; 6.DETERMINE the
cement mortar strength test as the only strength comparative test method; 7.All
inspection methods refer to national standards; 8.ADD the content of inspection
frequency.
The Ministry of Construction is responsible for the management and interpretation of
the mandatory provisions in this Standard, and the chief development organization is
responsible for the interpretation of specific technical content.
Chief development organization of this Standard. China Academy of Building
Research (Address. No. 30, North Third Ring East Road, Beijing; Zip code. 100013)
Participating organizations of this Standard. Jingcheng Zhongshui Brunch of Beijing
Drainage Group Co., Ltd., Shenzhen University, China National Environmental
Monitoring Centre, Yunnan Construction Engineering Concrete Co., Ltd., Shenzhen
Xingaojian Commodity Concrete Co., Ltd., Beijing Yushuchuang Component Factory,
Beijing Water Conservation Management Center, Guizhou Construction Science
Research & Design Institute, Building Materials Co., Ltd. of China Academy of Building
Research
Chief drafting staff of this Standard. Ding Wei, Leng Faguang, Huo Jian, Xing Feng,
Wang Qiang, Du Wei, Guo Huibin, Li Xincheng, Yang Yuqi, He Jianping, Ma Donghua,
Zhao Jicheng, Huang Lei, Wang Yujie, Lin Lixun.
Table of Contents
Foreword... 4
1 General... 6
2 Terms... 7
3 Technical requirements... 8
3.1 Water for concrete mixing... 8
3.2 Water for concrete maintenance... 9
4 Inspection methods... 10
5 Inspection rules... 11
5.1 Sampling... 11
5.2 Inspection period and frequency... 11
6 Result evaluation... 13
Wording of this Standard... 14
1 General
1.0.1 In order to ensure the quality of water for concrete, and to make concrete
performance meet the technical requirements, this Standard is developed.
1.0.2 This Standard applies to water for concrete of industrial and civil buildings and
general structures.
1.0.3 In addition to complying with this Standard, water for concrete shall also comply
with the provisions of existing national standards.
2 Terms
2.0.1 Water for concrete
General term of water for concrete mixing and water for concrete maintenance,
including. drinking water, nature surface water, underground water, urban recycling
water, concrete enterprise equipment washing water and seawater.
2.0.2 Nature surface water
Water present in rivers, lakes, ponds, swamps and glaciers.
2.0.3 Underground water
Flowing water present in rock crevices or soil pores.
2.0.6 Soluble substance
Under the specified conditions, the water sample is filtered, the mater that has pass
through the membrane and remained after partially dried and evaporated.
3 Technical requirements
3.1 Water for concrete mixing
3.1.1 The water quality requirements for water for concrete mixing shall comply with
3.1.3 The water sample to be tested shall be subjected to the comparative test with
the drinking water sample for setting time of cement. In the comparative test, the
difference between the initial setting time and the final setting time of cement shall not
be greater than 30 min. Meanwhile, the initial setting time and final setting time shall
comply with the provisions of the current national standard “Portland cement and
ordinary Portland cement” GB 175.
3.1.8 Seawater may be used for plain concrete in the absence of access to water, but
should not be used for decorative concrete.
3.2 Water for concrete maintenance
3.2.1 Water for concrete maintenance may be subjected to the inspection of insoluble
substance and soluble substance. Other inspection items shall comply with the
provisions of 3.1.1 and 3.1.2 of this Standard.
4 Inspection methods
4.0.1 The inspection of pH value shall meet the requirements of the current national
standard “Water quality - Determination of pH value - Glass electrode method” GB/T
6920 and should be determined on site.
4.0.2 The inspection of insoluble substance shall meet the requirements of the current
national standard “Water quality - Determination of suspended substance - Gravimetric
method” GB/T 11901.
4.0.7 The cement setting time test shall meet the requirements of the current national
standard “Standard test method - Water requirement for normal consistency, setting
time and soundness of the Portland cement” GB/T 1346.The test shall use 42.5 grade
Portland cement, or may use 42.5 grade ordinary Portland cement; in case of
controversy, 42.5 grade Portland cement shall prevail.
4.0.8 The cement mortar strength test shall meet the requirements of the current
national standard “Method of testing cements - Determination of strength” GB/T 17671.
The test shall use 42.5 grade Portland cement, or may use 42.5 grade ordinary
Portland cement; in case of controversy, 42.5 grade Portland cement shall prevail.
5 Inspection rules
5.1 Sampling
5.1.1 The water sample for water quality inspection shall not be less than 5 L; the water
sample for determination of cement setting time and mortar strength shall not be less
than 3 L.
5.1.5 The urban recycling water shall be collected at the end of the water intake pipe.
5.1.6 The concrete enterprise equipment washing water shall collected in the pool and
below 100 mm from the surface of the water after deposition.
5.2 Inspection period and frequency
5.2.1 The water sample inspection period shall meet the following requirements.
5.2.2 The radioactivity of nature surface water, underground water and urban recycling
water should be inspected before use. If there is reliable data to prove that there is no
radioactive pollution, the inspection may not be carried out.
6 Result evaluation
6.0.1 Drinking water that meets the requirements of the current national standard
“Sanitary standard for drinking water” GB 5749 may be used as water for concrete
without inspection.
JGJ 63-2006
JGJ
PROFESSIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
UDC
Standard of water for concrete
Issued on. JULY 25, 2006
Implemented on. DECEMBER 1, 2006
Issued by. Ministry of Construction of the people’s Republic of China
PROFESSIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
Standard of water for concrete
J 531-2006
Approval Department. Ministry of Construction of the people’s Republic of
China
Implementation date. December 1, 2006
2006, Beijing
Announcement of Ministry of Construction
of the People’s Republic of China
No. 461
Foreword
According to the requirements of Document Jian Biao [2004] No. 66 issued by Ministry
of Construction (MOC), and after making extensive investigations and studies,
conscientiously summing up practical experiences, referring to relevant foreign
advanced standards, and basing on extensive solicitation of opinions, the standard
developing group has revised the original “Standard of water for concrete mixing” JGJ
63-89.
The main technical contents of this Standard are. 1.General; 2.Terms; 3.Technical
requirements; 4.Inspection methods; 5.Inspection rules; 6.Result evaluation.
The main contents revised are. 1.AMEND the standard name to “Standard of water
for concrete”, INCORPORATE water for concrete maintenance into this Standard; 2.
ADD the chapter of terms, CANCEL the chapter of classification; 3.INCORPORATE
urban recycling water into this Standard; 4.In the technical requirements for water
quality, the pH value of water for prestressed concrete is increased from 4.0 to 5.0,
and the pH value of water for reinforced concrete and plain concrete is increased from
4.0 to 4.5; the chloride content (in Cl-) in water for reinforced concrete is reduced from
1200 mg/L to 1000 mg/L; the chloride ion content in water for structural concrete with
a design service life of 100 years shall not exceed 500 mg/L; the sulfate (in SO42-) is
reduced from 2700 mg/L to 2000 mg/L; CANCEL the sulfide inspection items; ADD the
content of alkali content; 5.ADD the radioactivity inspection items; 6.DETERMINE the
cement mortar strength test as the only strength comparative test method; 7.All
inspection methods refer to national standards; 8.ADD the content of inspection
frequency.
The Ministry of Construction is responsible for the management and interpretation of
the mandatory provisions in this Standard, and the chief development organization is
responsible for the interpretation of specific technical content.
Chief development organization of this Standard. China Academy of Building
Research (Address. No. 30, North Third Ring East Road, Beijing; Zip code. 100013)
Participating organizations of this Standard. Jingcheng Zhongshui Brunch of Beijing
Drainage Group Co., Ltd., Shenzhen University, China National Environmental
Monitoring Centre, Yunnan Construction Engineering Concrete Co., Ltd., Shenzhen
Xingaojian Commodity Concrete Co., Ltd., Beijing Yushuchuang Component Factory,
Beijing Water Conservation Management Center, Guizhou Construction Science
Research & Design Institute, Building Materials Co., Ltd. of China Academy of Building
Research
Chief drafting staff of this Standard. Ding Wei, Leng Faguang, Huo Jian, Xing Feng,
Wang Qiang, Du Wei, Guo Huibin, Li Xincheng, Yang Yuqi, He Jianping, Ma Donghua,
Zhao Jicheng, Huang Lei, Wang Yujie, Lin Lixun.
Table of Contents
Foreword... 4
1 General... 6
2 Terms... 7
3 Technical requirements... 8
3.1 Water for concrete mixing... 8
3.2 Water for concrete maintenance... 9
4 Inspection methods... 10
5 Inspection rules... 11
5.1 Sampling... 11
5.2 Inspection period and frequency... 11
6 Result evaluation... 13
Wording of this Standard... 14
1 General
1.0.1 In order to ensure the quality of water for concrete, and to make concrete
performance meet the technical requirements, this Standard is developed.
1.0.2 This Standard applies to water for concrete of industrial and civil buildings and
general structures.
1.0.3 In addition to complying with this Standard, water for concrete shall also comply
with the provisions of existing national standards.
2 Terms
2.0.1 Water for concrete
General term of water for concrete mixing and water for concrete maintenance,
including. drinking water, nature surface water, underground water, urban recycling
water, concrete enterprise equipment washing water and seawater.
2.0.2 Nature surface water
Water present in rivers, lakes, ponds, swamps and glaciers.
2.0.3 Underground water
Flowing water present in rock crevices or soil pores.
2.0.6 Soluble substance
Under the specified conditions, the water sample is filtered, the mater that has pass
through the membrane and remained after partially dried and evaporated.
3 Technical requirements
3.1 Water for concrete mixing
3.1.1 The water quality requirements for water for concrete mixing shall comply with
3.1.3 The water sample to be tested shall be subjected to the comparative test with
the drinking water sample for setting time of cement. In the comparative test, the
difference between the initial setting time and the final setting time of cement shall not
be greater than 30 min. Meanwhile, the initial setting time and final setting time shall
comply with the provisions of the current national standard “Portland cement and
ordinary Portland cement” GB 175.
3.1.8 Seawater may be used for plain concrete in the absence of access to water, but
should not be used for decorative concrete.
3.2 Water for concrete maintenance
3.2.1 Water for concrete maintenance may be subjected to the inspection of insoluble
substance and soluble substance. Other inspection items shall comply with the
provisions of 3.1.1 and 3.1.2 of this Standard.
4 Inspection methods
4.0.1 The inspection of pH value shall meet the requirements of the current national
standard “Water quality - Determination of pH value - Glass electrode method” GB/T
6920 and should be determined on site.
4.0.2 The inspection of insoluble substance shall meet the requirements of the current
national standard “Water quality - Determination of suspended substance - Gravimetric
method” GB/T 11901.
4.0.7 The cement setting time test shall meet the requirements of the current national
standard “Standard test method - Water requirement for normal consistency, setting
time and soundness of the Portland cement” GB/T 1346.The test shall use 42.5 grade
Portland cement, or may use 42.5 grade ordinary Portland cement; in case of
controversy, 42.5 grade Portland cement shall prevail.
4.0.8 The cement mortar strength test shall meet the requirements of the current
national standard “Method of testing cements - Determination of strength” GB/T 17671.
The test shall use 42.5 grade Portland cement, or may use 42.5 grade ordinary
Portland cement; in case of controversy, 42.5 grade Portland cement shall prevail.
5 Inspection rules
5.1 Sampling
5.1.1 The water sample for water quality inspection shall not be less than 5 L; the water
sample for determination of cement setting time and mortar strength shall not be less
than 3 L.
5.1.5 The urban recycling water shall be collected at the end of the water intake pipe.
5.1.6 The concrete enterprise equipment washing water shall collected in the pool and
below 100 mm from the surface of the water after deposition.
5.2 Inspection period and frequency
5.2.1 The water sample inspection period shall meet the following requirements.
5.2.2 The radioactivity of nature surface water, underground water and urban recycling
water should be inspected before use. If there is reliable data to prove that there is no
radioactive pollution, the inspection may not be carried out.
6 Result evaluation
6.0.1 Drinking water that meets the requirements of the current national standard
“Sanitary standard for drinking water” GB 5749 may be used as water for concrete
without inspection.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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