GB 50206-2012 PDF English
US$165.00 · In stock · Download in 9 secondsGB 50206-2012: Code for acceptance of construction quality of timber structures Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB 50206: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 50206-2012 | English | 165 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Code for acceptance of construction quality of timber structures
| Valid |
| GB 50206-2002 | English | RFQ |
ASK
|
9 days
|
Code for construction quality acceptance of timber structures
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB 50206-2012
GB 50206-2012: Code for acceptance of construction quality of timber structures---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/GB50206-2012
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
UDC
P GB 50206-2012
Code for Acceptance of Construction
Quality of Timber Structures
Issued on. MARCH 30, 2012
Implemented on. AUGUST 1, 2012
Issued by. Ministry of Housing and Urban-Rural Development of the
People's Republic of China;
General Administration of Quality Supervision, Inspection
and Quarantine of the People's Republic of China.
National Standard of the People's Republic of China
Code for Acceptance of Construction
Quality of Timber Structures
Chief Development Department. Ministry of Housing and Urban-Rural Development
of the People's Republic of China
Approval Department. Ministry of Housing and Urban-Rural Development of the
People's Republic of China
Implementation Date. August 1, 2012
2012 Beijing
Table of Contents
Foreword... 4
1 General Provisions... 8
2 Terms... 9
3 Basic Requirements... 14
4 Rough Sawn and Round Timber Structure... 17
4.1 General Requirements... 17
4.2 Dominant Items... 17
4.3 General Items... 22
5 Glued-laminated Timber Structure... 25
5.1 General Requirements... 25
5.2 Dominant Items... 25
5.3 General Items... 27
6 Light Wood Frame Construction... 30
6.1 General Requirements... 30
6.2 Dominant Items... 30
6.3 General Items... 33
7 Protection of Timber Structure... 37
7.1 General Requirements... 37
7.2 Dominant Items... 37
7.3 General Items... 41
8 Acceptance of Sub-subsection Project of Timber Structure... 43
Appendix A Timber Strength Grade Inspection Method... 44
Appendix B Standard for Materials of Rough Sawn Timber, Log and Panel 45
Appendix C Inspection Method for Moisture Content of Timber... 48
Appendix D Bending Test of Steel Nail... 50
Appendix E Allowable Error for Manufacture and Installation of Wood
Structure... 53
Appendix F Test Method for Mechanical Property of Bending Wood Members
... 58
Appendix G Inspection Method for Material Grade of Dimension Lumber 62
Appendix H Mechanical Properties Index of Wood-based Structural Panel 71
Appendix J Requirements for Nailed Connection of Light Wood Frame
Construction Designed Based on Structure... 73
Appendix K Requirements for Retention and Penetration of Various
Protective-treated Wood Members... 75
Explanation of Wording in this Code... 79
List of Quoted Standards... 80
Code for Acceptance of Construction
Quality of Timber Structures
1 General Provisions
1.0.1 This code is formulated with a view to strengthening the quality management
of construction work, unifying the construction quality acceptance of timber work and
guaranteeing the project quality.
1.0.2 This code is applicable to the construction quality acceptance for timber
structure works like rough sawn and round timber structure, glued-laminated timber
structure and light wood frame construction.
1.0.3 The construction quality acceptance of timber structure work shall be based on
engineering design document. The requirements of construction quality acceptance in
design document and engineering contracting contract shall not be lower than those
specified in this code.
1.0.4 This code shall be used together with the current national standard "Unified
Standard for Constructional Quality Acceptance of Building Engineering" (GB 50300).
1.0.5 The construction quality acceptance for timber structure work shall not only
meet the requirements in this code, but also comply with those specified in the current
relevant ones of the nation.
2 Terms
2.0.1 Rough sawn and round timber structure
Load bearing member structure manufactured from rough sawn timber (including slab)
or log.
2.0.2 Glued-laminated timber structure
Load bearing member structure manufactured from glued-laminated timber.
2.0.3 Light wood frame construction
Wood structure composed of shear wall and tabula (floor system and roof)
manufactured from dimension lumber and wood-based structural panel through nailed
connection, generally used for 1~3F buildings.
2.0.4 Dimension lumber
A kind of wood product made through drying, polishing, grading and stamping on a
series of log sawn timber with section width and height within certain limits.
3 Basic Requirements
3.0.1 The constructor of timber structure work shall have corresponding qualification,
complete quality management system, quality inspection system and overall quality
assessment system.
The quality management of construction site may be inspected and recorded
according to the relevant requirements of the current national standard "Unified
Standard for Constructional Quality Acceptance of Building Engineering" (GB 50300).
3.0.2 Sub-subsection project of timber structure shall be composed of two subitem
projects. namely manufacture & installation of timber structure and protection of
timber structure. Acceptance for sub-subsection project is carried out after that for two
subitem projects.
3.0.3 Inspection lot shall be respectively classified according to the quality control
for physical and mechanical performance of material, wood product, member and
accessory and the quality control of manufacture and installation of structural
member.
3.0.4 For the protection work of wood structures, the wood preservation construction
quality shall be accepted according to different use environment as specified in Table
4 Rough Sawn and Round Timber Structure
4.1 General Requirements
4.2 Dominant Items
4.2.1 The type, structural arrangement and member size of rough sawn and
round timber structure shall meet the requirements of the design document.
Inspection quantity. total number of inspection lot.
Inspection method. comparison between physical object and construction design
drawing; measurement.
4.3 General Items
4.3.1 The allowable deviation for the manufacturing of various log and rough sawn
timber members shall not exceed the requirements of Table E.0.1 in this code.
Inspection quantity. total number of inspection lot.
Inspection method. see Table E.0.1 in this code.
4.3.3 The bolt quantity, arrangement mode, spacing, edge distance and end
distance of bolted connection (including tension joint) shall not only meet the
requirements of the design document, but also meet the following requirements.
4.3.6 The allowable deviation for installation of timber truss, beam and column shall
not exceed the requirements of Table E.0.2 in this code.
4.3.7 The allowable deviation for installation of roof timber frame shall not exceed
the requirements of Table E.0.3 in this code.
4.3.8 The integrity of roof structure support system shall meet those specified in
design document.
5 Glued-laminated Timber Structure
5.1 General Requirements
5.1.1 This chapter is applicable to the acceptance of construction quality of timber
structure with main load bearing member manufactured and installed with
glued-laminated timber.
5.2 Dominant Items
5.2.1 The structure type, structural arrangement and member section size
shall meet the requirements of the design document.
Inspection quantity. total number of inspection lot.
Inspection method. comparison between physical object and design document;
measurement.
5.2.5 The average moisture content of glued-laminated timber member shall not be
greater than 15%, the difference of moisture content of each lamination of the same
member shall not be greater than 5%.
5.2.6 The quality of steel, electrode, bolt and nut shall respectively meet the
requirements of Articles 4.2.6~4.2.8 in this code.
5.3 General Items
5.3.1 The construction and appearance of glued-laminated timber shall meet the
following requirements.
5.3.5 The deviation for installation of glued-laminated timber structure shall not
exceed the requirements of Table E.0.2 in this code.
6 Light Wood Frame Construction
6.1 General Requirements
6.1.1 This chapter is applicable to the acceptance of construction quality of timber
structure manufactured and installed with main materials of dimension lumber and
wood-based structural panel.
6.2 Dominant Items
6.2.1 The arrangement and anti-overturning measures of load bearing wall
(including shear wall), column, floor system and roof of light wood frame
construction, and anti-disengaging measures of roof shall meet the
requirements of design document.
6.2.4 The tree species, material grade and specification of dimension lumber
adopted for each member as well as type and specification of structural sheathing for
light wood frame construction shall meet the requirements of design document.
6.2.6 Wood-based structural panels shall be provided with product quality certificate
and product stamp, those used as floor plate and roof plate shall be provided with
inspection report for dry/wet concentrated load, uniformly distributed load and impact
load of this product lot; their performance shall not be lower than those specified in
Appendix H of this code.
6.3 General Items
6.3.1 The following items of load bearing wall (including shear wall) shall meet the
requirements of design document and shall not be lower than relevant structural
requirements in current national standard "Code for Design of Timber Structures" (GB
50005).
6.3.5 Manufacture and installation deviation of various members of light wood frame
construction shall not be greater than those specified in Table E.0.4 of this code.
6.3.6 Insulation measures of light wood frame construction and the arrangement of
vapor barrier shall meet the requirements of design document.
7 Protection of Timber Structure
7.1 General Requirements
7.1.1 This chapter is applicable to the acceptance of construction quality of
corrosion, insect and fire prevention of timber structure.
7.1.5 Inspection lot of wood structure protection project may be divided according to
corresponding inspection lot of rough sawn and round timber structure,
glued-laminated timber structure or light wood frame construction in Chapters 4~6.
7.2 Dominant Items
7.2.1 The utilized corrosion-proof, insect-proof, fire prevention and flame retardants
shall be in accordance with the service environment type and fire resistance rating of
wood member (including glued-laminated timber member) indicated in the design
document, and shall be provided with certification documents for quality certificate.
7.2.2 Penetration evidential testing shall be carried out for each product lot of wood
member approaching the construction site after preservative treatment of chemical
agent, the penetration shall meet those specified in Appendix K of this code.
Inspection quantity. randomly take 5~10 pieces of members from each inspection lot
and drill 20 (oil-based agent) or 48 (water-based agent) core samples uniformly.
Inspection method. current national standard "Standard for Methods Testing of Timber
Structures" (GB/T 50329).
7.2.9 The laying of all kinds of pipeline burying or crossing the timber structure shall
meet the following requirements.
7.3 General Items
7.3.1 The wood member after protective treatment shall be repaired where the
protective layer is damaged or protective layer defect is caused by local processing.
Inspection quantity. total number of inspection lot.
8 Acceptance of Sub-subsection Project of Timber Structure
8.0.1 The procedure and composite for acceptance of construction quality of
sub-subsection project of timber structure shall meet the relevant requirements of
current national standard "Unified Standard for Constructional Quality Acceptance of
Building Engineering" (GB 50300).
8.0.2 Quality acceptance of inspection lot and sub-item project of timber structure
shall meet the following requirements.
8.0.3 Quality acceptance of sub-subsection project of timber structure shall meet the
following requirements.
8.0.4 Where the construction quality of timber structures is rejected, it shall be
treated according to current national standard "Unified Standard for Constructional
Quality Acceptance of Building Engineering" (GB 50300).
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of GB 50206-2012 be delivered?Answer: The full copy PDF of English version of GB 50206-2012 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice. Question 2: Can I share the purchased PDF of GB 50206-2012_English with my colleagues?Answer: Yes. The purchased PDF of GB 50206-2012_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB 50206-2012 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds. Question 5: Should I purchase the latest version GB 50206-2012?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 50206-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. How to buy and download a true PDF of English version of GB 50206-2012?A step-by-step guide to download PDF of GB 50206-2012_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB 50206-2012".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9
|