2025-7-16 18.97.9.172
Code of China Chinese Classification Professional Classification ICS Classification Latest News Value-added Services

Position: Chinese Standard in English/GB/T 50448-2015
GB/T 50448-2015   Code for application technique of cementitious grout (English Version)
Standard No.: GB/T 50448-2015 Status:valid remind me the status change

Email:

Language:English File Format:PDF
Word Count: 8000 words Price(USD):200.0 remind me the price change

Email:

Implemented on:2015-11-1 Delivery: via email in 1 business day
,,
Standard No.: GB/T 50448-2015
English Name: Code for application technique of cementitious grout
Chinese Name: 水泥基灌浆材料应用技术规范
Chinese Classification: Q13    Concrete, aggregate, plaster and mortar
Professional Classification: GB    National Standard
Issued by: MOHURD
Issued on: 2015-03-08
Implemented on: 2015-11-1
Status: valid
Superseding:GB/T 50448-2008 Code for application technique of cementitious grout
Language: English
File Format: PDF
Word Count: 8000 words
Price(USD): 200.0
Delivery: via email in 1 business day
1 General Provisions 1.0.1 This code is formulated with view to improving the application level of cementitious grout and realizing technical advancement, safety applicability, economic feasibility and guaranteed quality. 1.0.2 This code is applicable to inspection of cementitious grout as well as design, construction and acceptance of grouting work. 1.0.3 The application of cementitious grout shall comply with not only the requirements stipulated in this code, but also those in the current relevant ones of the nation. 2 Terminologies 2.0.1 Cementitious grout Materials made by mixing such raw materials as cement, aggregate, additive and mineral admixture in proportion at specialized chemical plant and used for bolt anchoring grouting, structure strengthening grouting and prestressed duct grouting which shall be mixed by adding water or matching ingredients according to proportion at using location. 2.0.2 Truncated cone fluidity Arithmetic average of the maximum diffusion diameter to its diameter in vertical direction when pouring the mixed grout into standard cement jumping table truncated cone test mold and then letting it freely flow until stop under gravity action after lifting it up. 2.0.3 Flow cone fluidity Time for grout slurry flowing through calibrated standard flow cone when it freely flows out. 2.0.4 Filling degree The piping filling satiation degree with cementitious grout slurry used for prestressed duct. 2.0.5 Baseplate grouting Grouting process for filling between bottom surface of bottom plate of equipment or steel structure column base and concrete foundation surface in order to meet the requirements of close contact with bottom plate and uniformly transmitting load after completing the anchor grouting for foundation bolt. 2.0.6 Self-leveling grouting Method for meeting the grouting requirements by making use of the good flowability of cementitious grout through self-flowing under self-gravity in the process of grouting.2.0.7 High-level funnel grouting Method for meeting the grouting requirements by improving potential-energy difference with high-level funnel in the process of grouting with cementitious grout. 2.0.8 Pressure grouting Method for meeting the grouting requirements by adopting grouting pressurized equipment in the process of grouting with cementitious grout. 3 Basic Requirements 3.0.1 Cementitious grout may be used for foundation bolt anchoring, grouting of equipment foundation or steel-structure column-base plate, reinforcement/reconstruction of concrete structure as well as prestressed concrete structure duct grouting and insert-type column base grouting. 3.0.2 Cementitious grout shall be selected according to such factors as strength requirements, equipment operation environment, grout layer thickness, clear spacing between foundation bolt surface and hole wall and construction environment; the manufacturer shall provide working environment temperature, construction environment temperature and corresponding performance indexes. 3.0.3 Grout used for prestressed duct shall be selected according to such factors as prestressed duct section shape and size as well as duct length and height difference. 3.0.4 During construction, the cementitious grout shall be mixed according to the water consumption required by the product, and it is not allowed to improve flowability by increasing water consumption. 3.0.5 During application process of cementitious grout, the operation personnel shall be prevented from inhaling dust and environment pollution shall be avoided.
Foreword i 1 General Provisions 2 Terminologies 3 Basic Requirements 4 Materials 4.1 Cementitious Grout 4.2 Test Method 5 Design 5.1 Foundation Bolts Anchoring 5.2 Baseplate Grouting 5.3 Renovation and Reinforcement of Concrete Structure 5.4 Precast Reinforced Concrete Column or Embedded Column Base Grouting 6 Materials Approach 6.1 Site Inspection 6.2 Inspection Lot and Sampling 7 Construction 7.1 Preparation for Construction 7.2 Blending 7.3 Foundation Bolt Anchor Grouting 7.4 Baseplate Grouting 7.5 Concrete Structure Renovation and Grouting Reinforcement 7.6 Prestressed Duct Grouting 7.7 Winter and High-temperature Construction 7.8 Curing 8 Acceptance Appendix A Test Method of Cementitious Grout Basic Performance Explanation of Wording in the Code List of Quoted Standards
Referred in GB/T 50448-2015:
* GB/T 50080-2002 Standard for test method of performance on ordinary fresh concrete
* GB/T 50081-2002 Standard for test method of mechanical properties on ordinary concrete
* GB 50119-2013 Code for utility technical of concrete admixture
* GB 50204-2015 Code for acceptance of constructional quallty of concrete structures
* GB 50666-2011 Code for construction of concrete structures
* GB/T 1346-2011 Test methods for water requirement of normal consistency,setting time and soundness of the portland cement
* GB/T 2419-2005 Test Method for Fluidity of Cement Mortar
* GB/T 8077-2012 Methods for testing uniformity of concrete admixture
* GB/T 12573-2008 Sampling method for cement
* GB/T 17671-1999 Method of testing cements--Determination of strength
* JGJ/T 104-2011 Specification for winter construction of building engineering
* JG/T 248-2009 Apparatus for concrete slump test
* JC 475-2004 Concrete anti-freezing admixtures
* YB/T 5203-
* TB/T 3192-2008 Technical specification of cable grouts on post-prestressed concrete railway girder
* GB 50367-2013 Code for Design of Strengthen Concrete Structure
GB/T 50448-2015 is referred in:
undefined* SH/T 3510-2011 Acceptance Specification for Construction quality of quipment concrete foundation in petrochemical engineering
* SH/T 3510-2011 Acceptance Specification for Construction quality of quipment concrete foundation in petrochemical engineering
* GB 50204-2015 Code for acceptance of constructional quallty of concrete structures
* GB 50728-2011 Technical Code for Safety Appraisal of Engineering Structural Strengthening Materials
* GB 50550-2010 Code for acceptance of constructional guality of strengthening building structures
*SH/T 3539-2019 Specification for construction and acceptance of petrochemical centifugal compressor unit
*JGJ 369-2016 Code for Design of Prestressed Concrete Structures
*SH/T 3539-2007 Specification for construction and acceptance of petrochemical centifugal compressor unit
*JGJ/T 140-2019 Standard for seismic design of prestressed concrete structures
*SH/T 3510-2017 Acceptance specification for construction quality of equipment concrete foundations in petrochemical industry
Code of China
Standard
GB/T 50448-2015  Code for application technique of cementitious grout (English Version)
Standard No.GB/T 50448-2015
Statusvalid
LanguageEnglish
File FormatPDF
Word Count8000 words
Price(USD)200.0
Implemented on2015-11-1
Deliveryvia email in 1 business day
Detail of GB/T 50448-2015
Standard No.
GB/T 50448-2015
English Name
Code for application technique of cementitious grout
Chinese Name
水泥基灌浆材料应用技术规范
Chinese Classification
Q13
Professional Classification
GB
ICS Classification
Issued by
MOHURD
Issued on
2015-03-08
Implemented on
2015-11-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
GB/T 50448-2008 Code for application technique of cementitious grout
Language
English
File Format
PDF
Word Count
8000 words
Price(USD)
200.0
Keywords
GB/T 50448-2015, GB 50448-2015, GBT 50448-2015, GB/T50448-2015, GB/T 50448, GB/T50448, GB50448-2015, GB 50448, GB50448, GBT50448-2015, GBT 50448, GBT50448
Introduction of GB/T 50448-2015
1 General Provisions 1.0.1 This code is formulated with view to improving the application level of cementitious grout and realizing technical advancement, safety applicability, economic feasibility and guaranteed quality. 1.0.2 This code is applicable to inspection of cementitious grout as well as design, construction and acceptance of grouting work. 1.0.3 The application of cementitious grout shall comply with not only the requirements stipulated in this code, but also those in the current relevant ones of the nation. 2 Terminologies 2.0.1 Cementitious grout Materials made by mixing such raw materials as cement, aggregate, additive and mineral admixture in proportion at specialized chemical plant and used for bolt anchoring grouting, structure strengthening grouting and prestressed duct grouting which shall be mixed by adding water or matching ingredients according to proportion at using location. 2.0.2 Truncated cone fluidity Arithmetic average of the maximum diffusion diameter to its diameter in vertical direction when pouring the mixed grout into standard cement jumping table truncated cone test mold and then letting it freely flow until stop under gravity action after lifting it up. 2.0.3 Flow cone fluidity Time for grout slurry flowing through calibrated standard flow cone when it freely flows out. 2.0.4 Filling degree The piping filling satiation degree with cementitious grout slurry used for prestressed duct. 2.0.5 Baseplate grouting Grouting process for filling between bottom surface of bottom plate of equipment or steel structure column base and concrete foundation surface in order to meet the requirements of close contact with bottom plate and uniformly transmitting load after completing the anchor grouting for foundation bolt. 2.0.6 Self-leveling grouting Method for meeting the grouting requirements by making use of the good flowability of cementitious grout through self-flowing under self-gravity in the process of grouting.2.0.7 High-level funnel grouting Method for meeting the grouting requirements by improving potential-energy difference with high-level funnel in the process of grouting with cementitious grout. 2.0.8 Pressure grouting Method for meeting the grouting requirements by adopting grouting pressurized equipment in the process of grouting with cementitious grout. 3 Basic Requirements 3.0.1 Cementitious grout may be used for foundation bolt anchoring, grouting of equipment foundation or steel-structure column-base plate, reinforcement/reconstruction of concrete structure as well as prestressed concrete structure duct grouting and insert-type column base grouting. 3.0.2 Cementitious grout shall be selected according to such factors as strength requirements, equipment operation environment, grout layer thickness, clear spacing between foundation bolt surface and hole wall and construction environment; the manufacturer shall provide working environment temperature, construction environment temperature and corresponding performance indexes. 3.0.3 Grout used for prestressed duct shall be selected according to such factors as prestressed duct section shape and size as well as duct length and height difference. 3.0.4 During construction, the cementitious grout shall be mixed according to the water consumption required by the product, and it is not allowed to improve flowability by increasing water consumption. 3.0.5 During application process of cementitious grout, the operation personnel shall be prevented from inhaling dust and environment pollution shall be avoided.
Contents of GB/T 50448-2015
Foreword i 1 General Provisions 2 Terminologies 3 Basic Requirements 4 Materials 4.1 Cementitious Grout 4.2 Test Method 5 Design 5.1 Foundation Bolts Anchoring 5.2 Baseplate Grouting 5.3 Renovation and Reinforcement of Concrete Structure 5.4 Precast Reinforced Concrete Column or Embedded Column Base Grouting 6 Materials Approach 6.1 Site Inspection 6.2 Inspection Lot and Sampling 7 Construction 7.1 Preparation for Construction 7.2 Blending 7.3 Foundation Bolt Anchor Grouting 7.4 Baseplate Grouting 7.5 Concrete Structure Renovation and Grouting Reinforcement 7.6 Prestressed Duct Grouting 7.7 Winter and High-temperature Construction 7.8 Curing 8 Acceptance Appendix A Test Method of Cementitious Grout Basic Performance Explanation of Wording in the Code List of Quoted Standards
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: TransForyou Co., Ltd. 2008-2040
 
 
Keywords:
GB/T 50448-2015, GB 50448-2015, GBT 50448-2015, GB/T50448-2015, GB/T 50448, GB/T50448, GB50448-2015, GB 50448, GB50448, GBT50448-2015, GBT 50448, GBT50448