Db14
Local standards for the western province
Db 14/t 1323-2025 instead of db 14/t 1323-2016
Road bridgesMaintenance enhancementsEngineeringQuality testingEvaluation criteria
Inspection and eQuality standards for highway bridges maintenance and renewal engineering
ShanxiThe provincial market supervision authority
Contents
1. Scope of the preamble.. 2 basic requirements for terms and definitions in normative reference document no. 3 and appendix a (normative) of maintenance works 5
Foreword
This document has been drafted in accordance with the provisions of part 1 of the standardized working guidelines gb/t1. 1-2020: the structure and drafting rules for standardized documents ...
This document replaces the db14/t1323-2016 quality assessment criteria for road bridge repairs and repairs, with the following changes in the main technical content, in addition to restructuring and editorial changes, compared to db14/t1323-2016:
Changed scope (see chap. 1, 2016, chap. 1):
3 terms and definitions changed (see 3. 1, 3. 2, 3. 3, 2016 version 3. 1, 3. 2, 3. 4): 1 term and definition added (see 3. 4): 6 terms and definitions deleted (see 3. 3, 3. 5, 3. 6, 3. 7, 3. 8, 3. 9, 2016 version): basic requirements changed (see chap. 4, 2016 version 45):
Changed the closure of the surface protection paint of concrete building blocks to repair cracks, pressure embolism to repair cracks, hardening of drills, corrosive treatment of steel bars and enforcement of solid steel bars on bridge panels concrete parts are reinforced with additional cross-sections, coatings with reinforced steel plates, coating with fibre composites, reinforcement with additional in vitro prep, reinforcement with additional concrete barriers, reinforcement of bridge roofs, installation, replacement of poles, replacement of poles, replacement of weldings, reinforcement of bolts, protection of steel structures, beams, caps long and width hardening, reinforcement with increased base, reinforcement with additional cross-sections, reinforcement with fibre composites, reinforcement with additional prep, reinforcement with additional concrete shield, reinforcement with additional concrete shield, reinforcement with additional concrete barriers, reinforced with a concrete shield, reinforced with a concrete shield, reinforced with a concrete wall, reinforced with a concrete shield, reinforced with reinforced with reinforced surface, reinforced with a bridge roof, reinforced with reinforced roofing, reinforced with height on top of the bridge, reinforced with reinforced on top of the bridge, reinforced with reinforced on top of the bridge, reinforced with poles, cranes, reinforced with reinforced on top of the bridge, and reinforced with reinforced surfaces, reinforced with reinforced floors, reinforced with reinforced floors, reinforced with reinforced floors, reinforced with reinforced with reinforced concrete, with reinforced concrete, reinforced with
(a) the addition of additional sub-points to be reinforced, the consolidation of the condensed sub-brands to be reinforced, the repair of the cavities of the arch of the archer, the addition of additional corsets of concrete and concrete coils to the arch of the archer, the reinforcement of the back of the arch of the archer to be reinforced, the strengthening of horizontal links to the condensed concubine arch, the reinforcement of the reinforced side-button bridge to be reinforced, the strengthening of the cavities of steel, the reinforcement of the cavities of the cavities of steel, the re-brasoring of steel bridges, the replacement of the bridge with a composite of steel structures, the repair of cracks, the construction of beams, the addition of external pre-resorms to the stage, the strengthening of steel pillars, the reinforcement of the cormbranch to be reinforced, and the filling of the cormbras to be added to the cormbras of steel, the filling of the pips to beams with steel, the re-bars of steel;
The main protective works were deleted (see 10. 3 of the 2016 version).
Please note that certain elements of this document may relate to patents ... The issuer of this document does not have the responsibility to identify patents ...
This document was presented, implemented and monitored by the department of transport and communications of shanxi province.
Monitoring and inspection of the organization of this document by the shanxi provincial market supervision authority.
This document is submitted by the shanxi province technical committee for the standardization of transport (sxs/tc37).
The present document was drafted by shanxi province communications technology research and development co. Ltd., shanxi province transport construction engineering quality testing centre (s. C. Ltd.), shanxi tatsuko road survey design institute ltd., shanxi institute of transport sciences group ltd.
The main drafters of this document are shin zheng, chen dynasty, weibo, zhang min, han hengjiang, wang xian an, zhao wen boun, chen zhang, guangsuke, mao min, song min, han sae, wang bin, shaw myung qi, guo jia wang.
The publication of the present document and the versions of the documents it replaces are:
On 30 december 2016, for the first time:
- this is the first revision.
Quality assessment criteria for road and bridge maintenance reinforcement works
1 scope
This document sets out the basic requirements for the quality inspection of the road bridge maintenance works and the requirements for the maintenance work ... This document applies to the quality inspection of the various levels of the road bridge maintenance work and other maintenance works may be performed by reference ...
2 normative citation documents
The version corresponding to that date only applies to this document: the undated reference document, the latest version of which (including the modification sheet) applies to the provisions of this document in which the content in this document constitutes an essential reference in the text. Of which, citation of date note, document
Jttg5220 road maintenance project quality assessment standard first book of civil works
Jttg f80/1 first book of civil works for the quality assessment criteria for road projects
Jtt/t 3650 jtt/tj23 technical instructions for the construction of road bridges
3 terminology and definitions
3. 1
Repair of bridges
Targeted treatment of disease and local damage to bridges and restoration of normal use of bridge components.
3. 2
Bridges strengthened
Rd uses structural enhancements (additional) measures to restore the old technological condition of the bridge or to improve its carrying capacity. Finxi standa
3. 3
Key projects
Inspection items that are decisive for structural security, durability and primary use functions. Note: key items are identified in this document as “".
3. 4
Maintenance engineering quality test assessment unit
Basic assessment units, based on the nature and characteristics of the maintenance works for the maintenance of bridges, the reinforcement of bridges, in combination with maintenance methods, processes and size, referred to as “conservation units”.
4 basic requirements
4. 1 general provisions
4. 1. 1 the maintenance of bridges, reinforced maintenance works shall be divided into units for quality testing of several maintenance works according to appendix a. 4. 1. 2 bridge maintenance, reinforced maintenance works of bridges shall be evaluated according to the maintenance unit and the maintenance works.
Db 14/t 1323-2025
4. 1. 3 the quality test of the maintenance works shall be evaluated in accordance with the following requirements: (a) the quality of the works shall be assessed on the basis of this document after the completion of the maintenance unit.... The hidden works shall be inspected prior to their completion; (b) the maintenance works shall be completed in such a way as to consolidate the quality information of the maintenance units to which they belong, to examine the quality of their appearance, to evaluate the quality of the works. 4. 1. 4 the installation of the bridges shall be evaluated in such a way as to permit a load test and to determine the actual reinforcement effect. 4. 1. 5 the inspection equipment and equipment shall be calibrated or calibrated.
4. 2 maintenance engineering quality testing
4. 2. 1 maintenance units shall be inspected for the quality of the . 4. 2. 2 maintenance units according to the basic requirements, for example, basic requirements, realistic projects, visual quality and quality assurance information, respectively, and shall be evaluated only if the basic requirements are met, such as the raw materials, semi-finished products, finished products and construction control points used, and the quality assurance information is genuine and complete.
4. 2. 3 the basic requirements for inspection shall be as follows:
(a) an inspection of the basic requirements listed in the maintenance unit shall not be conducted on a case-by-case basis and, if found to be non-conforming, an evaluation of the quality of the works shall not be carried out: (b) the variety, specifications, quality and mix of raw materials used in the maintenance unit and semi-finished and finished products, etc., conform to the relevant technical standards and design requirements.
4. 2. 4 the testing of the project shall conform to the following provisions:
(a) a random sampling test of the inspection items according to the established inspection methods and frequency and the calculation of the eligibility rate, with pre-confirmation of other efficient detection methods: (b) the inspection project eligibility rate by formula (1):
P=100%.
Where:
P-check project eligibility rate: ii - number of points (groups) eligible: m - total number of points (groups) for the inspection project.
4. 2. 5 an inspection of the project eligibility determination in the context of the project shall conform to the following provisions:
(a) not less than 95 per cent for critical projects, 100 per cent for bridge metal components manufactured at the plant, which is not eligible at the time of non-compliance: (b) 80 per cent for general projects, and no less than 80 per cent for non-compliance; (c) for inspection projects with specified threshold values, none of the individual detection values can exceed the required threshold, and the non-conformity at the time of non-compliance.
4. 2. 6 appearance quality shall be inspected thoroughly and the requirements shall be met. ... In the case of apparent appearance defects, the maintenance engineering unit shall perform refurbishment or re-processing until it is qualified.
4. 2. 7 maintenance works shall have a true, accurate, complete and complete original construction record, test test test data, quality inspection, etc. Of these, the quality assessment forms for maintenance works and quality assurance information shall be in accordance with the provisions of appendix k to jttg5220: where individual quality assurance information is missing, there should be an entity quality assurance report issued by the testing agency.
4. 3 quality assessment of conservation works
4. 3. 1 the quality of the maintenance works shall be rated as eligible and ineligible. A) the test records are complete: b) the quality information is satisfactory: c) the quality of the measured items is satisfactory:
4. 3. 2 the quality of the maintenance unit works shall be assessed as satisfactory and shall meet the following requirements:
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