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Mass concrete quality control Hailong Reservoir is a medium-sized reservoir mainly for flood control and also for water supply. The dam type is a concrete heavy arch dam. Since the completion of the project, no cracks have appeared through observation and water storage operation. Taking Hailong Reservoir as an example, this paper expounds the quality control of mass concrete (raw materials of concrete, strength quality control and temperature control measures). -
Concrete quality control standard GB50164 Concrete quality control standard GB50164 -
Quality control of pumped concrete Abstract: Pumping concrete should not only improve the construction performance of concrete, but also reduce shrinkage, prevent cracks, improve impermeability and improve durability -
Discussion on quality control of concrete Nowadays, reinforced concrete plays an increasingly important role in engineering, and its quality is directly related to the quality of the project. Therefore, the quality control of reinforced concrete has become the top priority of the quality management of construction projects. This paper emphatically analyzes various quality problems that may occur in reinforced concrete engineering, lists the phenomenon, causes and prevention measures of various problems, and -
Discussion on quality control of concrete The concrete structure occupies a large proportion in the construction engineering and plays an absolute role in the safety, reliability and durability of the structure. Therefore, the supervision engineer is very important to the quality control of concrete. -
Talking about the quality control of concrete Introduction: Concrete structure accounts for a large proportion in construction projects. The supervision engineer is very important to the quality control of concrete. Concrete, quality control of concrete. Key words: concrete, quality control -
Concrete quality control standard (GB50164-2011) Concrete quality control -
Quality control process of ready mixed concrete Because the final quality of ready mixed concrete cannot be fully tested in the production process, its quality control has certain particularity, and strict process control is carried out. The process control of concrete quality can be carried out according to the following ideas: -
Quality control measures for commercial concrete Quality control measures for commercial concrete. The concrete mix proportion shall be designed and tested according to the engineering structure characteristics, technical requirements, transportation distance, temperature conditions, pump performance, pumping distance, raw material characteristics, etc -
C50 and above concrete quality control plan The mixing station of our division is responsible for the concrete supply between DIIK105+796.91 and DIIK117+459.29. After a year of intensive construction, the remaining workload of the mixing station of our division is more than 12000 m3 of C50 and above concrete, and more than 178000 m3 of below C50 concrete. It is inevitable to encounter C50 and -
Standard for quality control of concrete in waterway engineering This data is the concrete quality control standard for water transport engineering, which is detailed and can be used for reference. -
QC quality control of slope roof concrete Luyang Ancient City Project consists of Jiangcheng Moon Night, Jiangcheng Hometown, Jiangcheng Water Bank, Jiangcheng Past Area, Han Culture Research Center and municipal works. There are 47 single buildings in Jiangcheng Moon Night Area, Jiangcheng Hometown Area, Jiangcheng Water Bank Area, and Jiangcheng Past Area, with a building area of about 110000 square meters. The main structure is cast-in-place frame structure with sloping roof, and the appearance of the house is an ancient building of the Han Dynasty. Reinforced concrete -
Quality control of mirror surface concrete of air cooling column in power plant With the rapid development of the construction level of thermal power plants in China, their construction technology and inspection standards have also been constantly improved, especially the requirements for the appearance quality of concrete structures are getting higher and higher, but there is no unified standard for the domestic requirements for mirror concrete, which can only be judged by the feelings of the observers, bringing more and more pressure to the construction unit. -
GB50164-2011 Concrete Quality Control Standard This document is "GB50164-2011 Concrete Quality Control Standard", which is detailed and can be downloaded for reference. -
Supervision Rules for Mass Concrete Quality Control From the perspective of supervision, this paper puts forward the control points of the three stages of "before, during and after" in detail, and it is effective after several engineering practices. -
Formwork, reinforcement and concrete quality control table This data is the quality control table of formwork, reinforcement and concrete, which is valuable and detailed for reference. -
GB50164-2011 Concrete Quality Control Standard This data is: GB50164-2011 Concrete Quality Control Standard, which is detailed and can be used for reference. -
Quality control scheme for mirror concrete of air cooling column in power plant Ensure that the column perpendicularity deviation is ≤ 3mm after the completion of concrete construction, the joints are horizontal, even, smooth, and the width is consistent, and the concrete appearance is smooth and the color is consistent to achieve the mirror effect -
Analysis of concrete appearance quality control Analysis of concrete appearance quality control, mainly post tensioned prestressed box girder -
Paper on Quality Control of Concrete The quality of engineering projects is created in the construction process, not by final inspection. In order to carry out post inspection and check on the quality of engineering products, turn to pre control, and achieve the purpose of "prevention first", we must strengthen the quality control during the construction process. -
Quality control of high strength concrete Abstract: High strength concrete above C60 has been widely used in engineering construction. Based on years of work practice, this paper briefly discusses how to do a good job in the quality control of high-strength concrete, such as the selection of high-strength concrete materials, the optimization of proportioning schemes, and the quality control of working hours -
Quality control of cement concrete cushion The cement concrete cushion of indoor ground shall be provided with longitudinal contraction joints and transverse contraction joints; The spacing between longitudinal contraction joints shall not be more than 6m, and the horizontal contraction joints shall not be more than 12m. -
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. -
Quality control of building concrete construction Abstract: How to control the construction quality of concrete works? First, control the quality of raw materials. Secondly, scientific preparation of concrete is a prerequisite to ensure quality. Third, do a good job in the field laboratory. Fourth, the concrete specimens are qualified, but not all structural concrete is qualified. Fifthly, workability is the main factor that determines the quality of concrete. -
Key points of concrete pouring quality control Project management personnel Be familiar with industry specifications and relevant standards, carefully review the construction drawings in advance, fully understand the grading distribution of structural concrete in the drawings, and take certain countermeasures for possible problems during construction. For example: concrete between horizontal structure and vertical structure -
Quality control of pitched roof concrete (PPT QC) All works are reinforced concrete independent foundation and reinforced concrete strip foundation under the column, frame structure, with two floors and three floors above the ground, cornice elevation of 7.6m and 7.9m respectively, and ridge elevation of 10.58m~14.45m. The surrounding cantilevered circular corridor is connected by cast-in-place reinforced concrete platform between individual works. The roof adopts cast-in-place reinforced concrete archaize large slope roof -
Design of concrete quality control scheme for concrete construction This data is the design of concrete quality control scheme for concrete construction. The contents are complete and can be downloaded -
TJ-GB-50164-2011 Concrete Quality Control Standard This document is TJ-GB-50164-2011 Concrete Quality Control Standard. The content of the document is detailed and the data are available for reference. -
Concrete quality control standard (GB 50164-2011) Concrete quality control standard (GB 50164-2011) -
Quality control of concrete pavement Cement concrete pavement has the advantages of high strength, good stability, long service life, good wear resistance, convenient maintenance, low cost, and has been widely used on roads. With the rapid development of China's national economy, the total volume of highway transportation continues to grow, and the construction of transportation infrastructure has made continuous breakthroughs. The traffic flow, traffic load, tire pressure continue to increase, and the more road use conditions -
Construction quality control of steel reinforced concrete Abstract: Steel reinforced concrete structure is characterized by complex nodes, dense reinforcement and difficulty in concrete pouring. The key to the quality assurance of steel reinforced concrete structure is the installation accuracy control of steel members, steel bar binding and concrete pouring. -
Appearance quality control of bridge pier body concrete This paper introduces the appearance quality control of bridge pier body concrete for reference. -
Quality control measures of fair faced concrete [Abstract]: In order to ensure the quality of fair faced concrete, a series of corresponding measures can be taken. This paper introduces the following construction technical measures in detail: surveying and setting out, reinforcement engineering, formwork engineering, concrete engineering, and finished product protection. It has certain guiding significance for similar projects. -
Quality control of concrete block wall construction Abstract: Small concrete hollow block (hereinafter referred to as masonry) is a new type of wall material rising in recent years. With the requirements of the country for wall reform, the construction of blocks is developing rapidly in the construction industry. Because of the strong adaptability of block buildings, convenient construction, and no strict requirements for the plane and space changes of buildings, it can meet the needs of building changes -
Quality control of concrete subdivisional works [Abstract] The engineer's quality control of concrete subdivisional works is an effective measure to ensure structural safety. This paper discusses the problems that engineers should pay attention to in the process of engineering quality control, and puts forward solutions. -
On quality control of concrete construction [Abstract] In the field of engineering construction in China, reinforced concrete structures occupy an absolute proportion due to their low cost, mature design theory, mature construction technology, good seismic performance and other advantages
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one Quality of rural self mixed concrete -
two Quality requirements for self mixing concrete -
three Common quality problems of self mixing concrete -
four Concrete quality control includes -
five Conclusion of concrete quality control -
six Key points of concrete quality control -
seven Quality control of ready mixed concrete -
eight Quality control of pumped concrete