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Prevention and treatment of concrete appearance quality defects With the rapid development of highway construction, the quality requirements gradually expand from the simple internal quality to the direction of both internal and external repair, not only focusing on the internal strength, durability and other requirements, but also putting forward higher requirements for the appearance. This paper puts forward its own views from strengthening the concrete process control to improve the external quality, as well as the treatment of appearance defects. -
Common concrete appearance quality defects and cause analysis With the development of economic society and the continuous improvement of the level of the construction industry, people pay more and more attention to the appearance quality of concrete. However, at present, there is little theory and practical experience about concrete appearance quality control in our country, so the control of concrete appearance quality has become an important technical subject that engineering technicians need to study and explore. -
Prevention and treatment plan of concrete appearance quality defects According to the field measurement results of Golden Garden Section II and the requirements of the completed concrete appearance quality inspection, the appearance quality defects of the project are analyzed in detail and the prevention and treatment plan is formulated -
Analysis and control measures of concrete appearance quality defects Abstract: This paper introduces the cause analysis of the appearance quality defects of concrete structures and the control measures for the appearance quality of concrete, which can be used as a reference for engineers and technicians -
Summary of specification requirements for rubble concrete The rubble mixed in the concrete shall be solid, fresh, crack free and clean stone, and the strength grade shall not be lower than MU20; The size of rubble shall not be greater than 1/3 of the minimum width of the poured part, and..... -
Code for quality management of concrete enterprises This data is the atlas of concrete enterprise quality management specifications, which is detailed and can be used for reference. -
Treatment plan for concrete appearance quality defects of residential buildings The third phase of XX residential community is located in XX, with Longjiang Street in the south and Yellow River Avenue in the east. It mainly includes five 29~33 storey residential buildings and a two storey underground garage, with a total construction area of 85246.24m2. -
Treatment plan for appearance quality defects of residential building concrete 1. The total construction area of the project is 85246.24m2, including 59542.05m2 of aboveground construction area and 25704.19m2 of underground construction area. The above ground buildings include 63 # residential building (3 floors underground and 29 floors above the ground), 64 # residential building (3 floors underground and 33 floors above the ground), 69 # to 71 # residential building (3 floors underground and 29 floors above the ground) -
Treatment plan for concrete appearance quality defects of construction engineering This plan introduces the classification of appearance defects of cast-in-place concrete and the treatment methods of various defects; Preventive measures for concrete defects; Precautions for defect repair process; Defect repair quality control and other contents! -
Treatment measures for concrete appearance quality problems When pouring concrete, it is necessary to ensure that the position of reinforcement and the thickness of protective layer are correct. When plastering, the reinforcement workers should strengthen the inspection, and if any deviation is found, it should be corrected in time; -
Several opinions on appearance quality of concrete components Concrete has been used in many fields for many years, and the research on it is more and more in-depth. For the construction unit, it has also made unremitting efforts for many years in terms of appearance quality, but there are still many misunderstandings in concrete construction and use. This article aims at many misunderstandings and uses ordinary cement concrete -
Concrete quality defect control of a project A project is an earthquake resistant underground structure with a three-level earthquake resistance and a frame structure. Concrete quality control is very important in construction engineering. In view of the factors that cause concrete quality defects, the control discussion should be carried out from the aspects of concrete composition materials, concrete mix proportion, concrete production process, etc. -
Analysis of concrete appearance quality control Analysis of concrete appearance quality control, mainly post tensioned prestressed box girder -
Rectification specifications and quality requirements for construction problems Specification and quality requirements for rectification of construction problems Water, electricity and mud work----- -
Concrete construction quality and defect repair The quality of concrete structure engineering is an important issue affecting the safety and durability of structures. There are many reasons for quality problems. Now let's talk about common quality problems and defect repair. -
Lesson 17 - Classification and quality requirements of concrete Lesson 17 - Concrete classification and quality requirements, detailed for reference -
Construction record materials for treatment of appearance quality defects of cast-in-place concrete structure Unified Table of Technical Data for Construction Quality Acceptance of Shaanxi Construction Engineering Project Quality Control Data Table -
Treatment plan for concrete appearance quality defects of residential buildings (word format) The total construction area of the project is 85246.24m2, including 59542.05m2 of aboveground construction area and 25704.19m2 of underground construction area. The above ground buildings include 63 # residential building (3 floors underground, 29 floors above ground), 64 # residential building (3 floors underground, 33 floors above ground), 69 # to 71 # residential building (3 floors underground, 3 floors above ground -
Code for Acceptance of Construction Quality of Concrete Structures Code for Acceptance of Construction Quality of Concrete Structures GB502042015 Implemented by the Ministry of Housing and Urban Rural Development on September 1, 2015 -
How to Improve the Appearance Quality of Concrete Engineering From the aspects of ensuring the beautiful appearance of the concrete, solving the scar under the concrete surface, improving the smoothness of the concrete surface, the treatment of the hanging joint at the bottom of the precast beam slab and the treatment of the color of the concrete surface, this paper makes a general discussion on how to improve the appearance quality of the concrete project, so as to effectively control the occurrence of common problems in the concrete. -
Appearance quality control of bridge pier body concrete This paper introduces the appearance quality control of bridge pier body concrete for reference. -
Quality requirements for cast-in-place concrete pile (reinforcement cage) Please refer to the corresponding sections of Section XII Slurry Retaining Wall Rotary Bored Pile Engineering of this book. -
Repair plan for pier body appearance quality defects Round end solid piers, round end hollow piers, single cylindrical piers, round end solid double fixed piers, and straight abutment are used for the pier (abutment) body of bid xx of Inner Mongolia China Railway. The pier height is 3.5-65m, and the pier body formwork is assembled with steel formwork. Solid pier less than 15m, formwork assembly, one-time pumping and pouring molding; Solid piers larger than 15m shall be poured in two times; Cast hollow pier in layers -
QC achievements (PPT) on reducing the appearance quality defect rate of concrete cylinder wall in chimney works This data is the QC result (PPT) of reducing the appearance quality defect rate of the concrete cylinder wall of the chimney project. The content is detailed and can be used for reference -
Treatment Plan for Concrete Appearance Quality Defects of Phase III Project of Ideal Garden Residential Community The total construction area of the project is 85246.24m2, including 59542.05m2 of aboveground construction area and 25704.19m2 of underground construction area. The above ground buildings include 63 # residential building (3 floors underground, 29 floors above ground), 64 # residential building (3 floors underground, 33 floors above ground), 69 # to 71 # residential building (3 floors underground, 3 floors above ground -
Method Statement for Treatment of Appearance Quality Defects of Cast in situ Concrete Structure Project (Hua Tuo). doc Method Statement for Treatment of Appearance Quality Defects of Cast in situ Concrete Structure Engineering (Hua Tuo). doc Method Statement for Treatment of Appearance Quality Defects of Cast in situ Concrete Structure Engineering (Hua Tuo). doc -
Quality control of concrete appearance at beam column joints The newly built Haining University for the Aged project is located at the south side of Jiangnan Avenue and the east side of Wenyuan Road in Haining City, with a total construction area of 19492.03 ㎡. It is a cast-in-place concrete frame structure, with one underground floor and six overground floors. -
Method Statement for Treatment of Concrete Appearance Defects Content introduction 1. Cellular A. Phenomenon. Some parts of the concrete structure appear loose, less mortar, more stones, and voids between stones are similar to honeycombed holes. B、 Causes: (1) Improper concrete mix ratio or inaccurate measurement of water added to sand, gravel and cement materials, resulting in less mortar and more stones; (2) Concrete mixing time is not enough and it is not evenly mixed -
Treatment plan for concrete quality defects of a tunnel 1. Purpose The purpose of defect repair is to: (1) ensure the appearance quality of the concrete, ensure that the surface is flat, free of dislocation, concave and convex, the concrete is dense, free of holes, honeycombs and pits, the shape is complete, neat and beautiful, free of pollution, color difference, etc; (2) Ensure the safety of railway operation. 2. Scope of application is applicable to the repair of tunnel concrete appearance quality defects and structural quality defects -
Suggestions on improving the repair quality of concrete surface defects This data is a suggestion to improve the quality of concrete surface defect repair. The poor quality of concrete surface defect repair has always been a common quality problem in concrete engineering. It occurs repeatedly throughout the construction process of the project and is difficult to cure. The company makes analysis and prevention from the perspective of management. The design is accurate and the content is detailed, which is worth downloading. -
Relevant requirements such as key points of concrete pouring quality control 1. Basic requirements for quality control 2. Special scheme control 3. Material control 4. Site management 5. Key points for quality control of concrete pouring and tamping 6. Repair of concrete structure defects -
Quality, defects and accidents in concrete works (attached figure) This document is about the quality, defects and accidents in concrete engineering. It is in PPTF format and has 75 pages in total. There are four common causes of defects in concrete engineering: 1. Defects and cracks caused by improper material selection; 2. Defects and cracks caused by construction violation of operating procedures; 3. Cracks caused by component stress and deformation; 4. Defects and cracks caused by environmental factors -
Code for construction and quality acceptance of reinforced concrete silos This data is the Code for Construction and Quality Acceptance of Reinforced Concrete Silos, which is detailed and can be used for reference. -
Some thoughts on the judgment of concrete structure quality defects The determination of quality defects of concrete structures has always puzzled the majority of concrete practitioners. Because of the working relationship, I moved from the laboratory to the front line, and did a lot of work in concrete technical services and structural quality defect identification. I handled and identified hundreds of cases on the site, with some understanding. Coincidentally, a student who listened to my class sent me a WeChat message a few days ago, asking me to help identify the defects -
Attached drawings of quality defects and accidents in concrete works Cause of quality defect accident Violation of basic construction procedure Engineering geological survey error or foundation treatment error Design problems during construction Natural conditions affect improper use of buildings
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one Classification of concrete quality defects -
two Reply to concrete quality defects -
three Quality defects of pouring and tamping concrete -
four Penalty for concrete quality defects -
five Concrete quality defect rotting root -
six Concrete quality defect category -
seven Analysis of concrete quality defects -
eight Quality defects of rubble concrete