Reinforced concrete structure training summary

You must have seen a lot of internship summaries, so what is the summary of the reinforced concrete structure training and how should you write it best? The following is the recommended reinforced concrete structure training summary that I compiled for you. Hope you like it.

Reinforced Concrete Structure Training Summary 1

According to the school arrangement, I went to Zhangzhou Liyuan Plaza Phase I constructed by Fujian Xintai Construction Co., Ltd. on March 2, 20xx This is a good opportunity for me to learn about construction construction and let me have a deeper understanding of the difference between theory and practice. The tense two-month internship life is over. Under the leadership of the company's chief engineer and the explanations of the construction site engineer, I still gained a lot during the internship. The following is my harvest and experience of the internship.

1. After this internship, I gained a perceptual understanding of the major I am about to engage in through practice, and laid a solid foundation for future professional study. It not only allowed us to learn a lot of knowledge that we could not learn in the classroom, but also broadened our horizons and increased our knowledge, laying a solid foundation for us to better apply the knowledge we have learned to practical work in the future. Through production internship, I have more in-depth contact with professional knowledge, further understand the importance of rationally controlling the cost of construction projects, understand the problems existing in the project construction management process and the difficult issues that conflict between theory and practice, and through writing internship reports, I have learned Comprehensively apply the knowledge learned to improve the ability to analyze and solve professional problems.

2. First, through the introduction of the company’s chief engineer, I had a basic understanding of the main person in charge of the construction site and the overview of the project. The Fujian Xintai Construction Co., Ltd. where I interned is a first-class construction enterprise. . The 4#, 5#, 7#, and 8# buildings of the first phase of Zhangzhou Liyuan Plaza constructed by this company are located on the north side of the middle section of Nanchang Road. They have a frame-shear structure with 1 underground floor and 27 floors above ground for the 4# and 5# buildings. Buildings 7# and 8# have 19 floors above ground, with a total construction area of ??192,030 square meters and a basement construction area of ??13,340 square meters. During the internship, the project was in the construction stage of pile foundation and basement.

3. Through this internship, we realized that the construction unit must achieve the following aspects to reasonably control the cost of the construction project:

⑴ Signing of the project contract. A project contract is an agreement signed between the project construction unit and the construction unit regarding the rights and obligations related to the project. The signing of a project contract is an important step that the construction unit must take care of, because the project contract not only clearly stipulates the rights and obligations of both the construction unit and the construction unit, but also includes the quality level that the project must reach, the construction period, the materials used, Important contents such as price and payment period have a very direct impact on the cost of construction projects. If the project contract signed by both parties has complete content, strict logic, and equal rights and obligations of both parties, the final project cost may be reasonable. On the contrary, the cost may be low and the construction unit may suffer losses.

Construction internship experience (selected 3 articles) Construction internship experience (selected 3 articles)

⑵ Engineering change visa clearance. Engineering changes refer to changes made by the owner to the original drawings during the construction process as needed. Since the original drawings have been changed, it will inevitably cause changes in the construction quantity, and changes in the quantity will inevitably cause an increase or decrease in the original contract price. In particular, some projects have a lot of changes, and the quantity of the work increases or decreases. The change is large, and the final basis for settlement is only the change visa of the representative of the construction unit, so the change of visa is particularly important. It can be said that whether the project change visa is timely and accurate directly affects the cost of the construction project.

⑶ Project final accounts review. The final settlement of the project refers to the settlement information prepared by the construction unit after the completion and acceptance of the project, including all project quantities and all prices. It is compiled by the engineering construction unit, and the construction unit conducts the preliminary review. Finally, the construction unit entrusts a qualified social intermediary agency to conduct the review and issue an review report. The review of project final accounts is the final step in infrastructure management activities and the last step in project cost control. Construction units must attach great importance to it.

4. Experience in engineering construction technology:

Once I participated in the drawing review, I understood the main content of the drawing review.

Before the start of a general project, the owner, design unit, construction unit and quality supervision unit must participate in the drawing review to discover and resolve errors and contradictions in the design, as well as vague concepts and problems that may easily arise during construction. Difficulties and other problems that may exist in future construction to avoid unnecessary losses during construction. The following points should be noted during the joint review:

First, find out the flaws and errors in the drawing itself. Review whether the drawing design complies with relevant national policies and regulations (architectural design, structural design and construction specifications, etc.); whether the drawings and instructions are clear, and whether the quoted standards are accurate; whether there are any errors or omissions in the construction drawing standards; the size and plane position of the general plan and building construction drawings , elevation, etc., whether the relationship between horizontal, vertical, and cross-sectional drawings is consistent; whether the design of each professional type of work is coordinated and consistent.

Second, the feasibility of construction should be combined with the characteristics of the drawings to study the construction performance of the drawings in terms of quality, safety, construction period, technology, material supply, and even economic benefits during the construction process. Whether it meets the requirements of the drawings, it is recommended that the design unit make appropriate modifications if necessary.

Third, whether the geological data is complete and whether it can meet the requirements of the drawings; whether the surrounding buildings or environment affect the construction of the building, etc.; whether the functional design of the construction drawings meets the requirements of the construction unit, etc. These are the main contents of the drawing review.

To summarize the drawings and other issues in preparation for the joint review, the project technical leader will convene relevant personnel to conduct an internal preliminary review. In order to better understand the designer's design principles, I checked relevant atlases, conducted in-depth research on the drawings, raised many insightful questions, and had heated discussions with the construction technicians, trying to make every difference possible. Understand everything you understand. I found that in addition to the structural and architectural dimensions being wrong and the steel bars being wrong, the most important thing was that it was inconsistent with the ones in the atlas. Another most important thing I found was that the door openings in the shear wall were also easy to make mistakes. .

Second, through practice at the construction site, I learned many technical points related to basement construction. Here I will summarize the construction technology of large cap concrete.

The concrete construction of the large cap platform (core tube) adopts the layered slope backward pouring method. In order to ensure the quality of pouring, in addition to requiring dense concrete, three key technical issues must also be solved: First, during the supply and pouring of concrete, it is necessary to ensure that the internal layers of concrete are well bonded and no construction cracks should occur; Adopt "three-mixing" technology and thermal insulation control to utilize the later strength of concrete, reduce the amount of cement, reduce the heat of hydration inside large-volume concrete, and prevent cracking of the concrete structure due to excessive temperature differences between inside and outside; thirdly, the maintenance of concrete must be strengthened Measures to ensure the later strength growth of concrete.

The concrete mix design adopts the "three-mixing" technology. Among them, Class II fly ash is added to reduce the peak hydration heat, reduce the amount of cement, increase pumpability, ensure on-site pumping and continuous pouring, and add UEA expansion agent to prevent cracks caused by concrete shrinkage and enhance the structural strength. Self-waterproofing ability; add high-efficiency water-reducing agent to improve workability, reduce evaporation water channels generated by free water, and increase concrete compactness.

It can be seen from the properties of concrete that the surface of concrete bleeds and shrinks, which is prone to plastic shrinkage cracks. It usually occurs before the final setting of concrete, and due to the restrictions of steel bars, coarse aggregates, etc., the particles inside the concrete If settlement is uneven, irregular and harmful surface cracks will also appear. In order to prevent the occurrence of such cracks, when the concrete is poured to the design elevation, the concrete is vibrated and compacted by a vibrator. When floating slurry appears on the surface, it is immediately scraped with a scraper. Before the concrete is finally set and hardened, it is rubbed continuously with a wooden trowel. It is flat to close the concrete surface to prevent the occurrence of bleeding shrinkage cracks. At the same time, it is covered and maintained to prevent the concrete from being exposed to wind and sun, thus eliminating harmful surface cracks caused by uniform settlement under the internal particles of the concrete.

In order to avoid cracks due to excessive temperature differences between the inside and outside of large-volume concrete, the concrete maintenance method adopts a thermal insulation and moisturizing composite insulation layer, that is, covering the surface of the concrete with a layer of plastic film and two layers of wet sacks in the middle. The top layer of dual-purpose plastic film is covered and pressed to prevent rain from soaking the sack and reducing the thermal insulation effect.

And because the concrete should not be watered and cured before it is finally set and hardened, covering it is conducive to utilizing the water-cement ratio of the concrete to evaporate water for curing purposes; 5-7 days after the concrete is poured, the concrete is in a cooling state, and at this time the film and sacks are peeled off layer by layer. In the end, only one layer of sacks is left, and a dedicated person will water and maintain it for no less than 14 days. After the basement concrete was treated in this way, we carefully inspected the site. No construction cracks were found on the surface of the basement concrete, and the appearance met the quality requirements, indicating that the basement concrete had achieved the expected maintenance goals.

Although technical measures have been taken to reduce concrete cracks in the mix ratio, due to the large temperature rise of cement hydration heat, poor insulation and maintenance during the peak heat dissipation period after pouring will still cause concrete caps, The temperature difference between the inside and outside of the base plate and other thick and large-volume concrete is too large, and the surface concrete shrinks too much, generating tensile stress that exceeds the tensile limit of the concrete, causing deep cracks in the concrete, and even penetrating cracks, making the basement concrete unable to achieve impermeability and waterproofing. function. In order to ensure that the temperature difference between the inside and outside of the basement concrete is controlled within the 25°C specified in GB50204-2002, circulating water pipes can be buried in layers in components with a thickness of more than 1000mm in the concrete structure. After the concrete is poured, and according to the temperature measured by the temperature monitoring system The temperature difference between the inside and outside of the concrete is adjusted, and the amount of circulating water is adjusted to achieve the purpose of reducing the temperature difference between the inside and outside of the concrete. Selected internship report of 14-year architecture major graduates

In order to accurately grasp the temperature rise and fall of large-volume concrete, the temperature difference between the inside and outside of the concrete is strictly controlled to be less than 25°C, and different depths are set up along the height direction inside the concrete. Temperature measurement points: One temperature measurement point is arranged for every m2 on the plane. The selection of temperature measurement points is representative and can reflect the temperature of various parts of the large-volume concrete in the basement. Start measuring the temperature 20 hours after the concrete is poured. Measure it every 4 hours and keep a record. The temperature measurement will last until the 10th day. The main content of the temperature measurement is to measure the difference between the core temperature and the surface temperature of the concrete. Reinforced Concrete Structure Training Summary 2

According to the school arrangement, I went to the Zhangzhou Liyuan Plaza Phase I project constructed by Fujian Xintai Construction Co., Ltd. on March 2, 20xx for construction and management internship , this is a good opportunity for me to understand construction construction, and let me have a deeper understanding of the difference between theory and practice. The tense two-month internship life is over. Under the leadership of the company's chief engineer and the explanations of the construction site engineer, I still gained a lot during the internship. The following is my harvest and experience of the internship.

1. After this internship, I gained a perceptual understanding of the major I am about to engage in through practice, and laid a solid foundation for future professional study. It not only allowed us to learn a lot of knowledge that we could not learn in the classroom, but also broadened our horizons and increased our knowledge, laying a solid foundation for us to better apply the knowledge we have learned to practical work in the future. Through production internship, I have more in-depth contact with professional knowledge, further understand the importance of rationally controlling the cost of construction projects, understand the problems existing in the project construction management process and the difficult issues that conflict between theory and practice, and through writing internship reports, I have learned Comprehensively apply the knowledge learned to improve the ability to analyze and solve professional problems.

2. First, through the introduction of the company’s chief engineer, I had a basic understanding of the main person in charge of the construction site and the overview of the project. The Fujian Xintai Construction Co., Ltd. where I interned is a first-class construction enterprise. . The 4#, 5#, 7#, and 8# buildings of the first phase of Zhangzhou Liyuan Plaza constructed by this company are located on the north side of the middle section of Nanchang Road. They have a frame-shear structure with 1 underground floor and 27 floors above ground for the 4# and 5# buildings. Buildings 7# and 8# have 19 floors above ground, with a total construction area of ??192,030 square meters and a basement construction area of ??13,340 square meters. During the internship, the project was in the construction stage of pile foundation and basement.

3. Through this internship, we realized that the construction unit must achieve the following aspects to reasonably control the cost of the construction project:

⑴ Signing of the project contract. A project contract is an agreement signed between the project construction unit and the construction unit regarding the rights and obligations related to the project. The signing of a project contract is an important step that the construction unit must take care of, because the project contract not only clearly stipulates the rights and obligations of both the construction unit and the construction unit, but also includes the quality level that the project must reach, the construction period, the materials to be used, Important contents such as price and payment period have a very direct impact on the cost of construction projects.

If the project contract signed by both parties has complete content, strict logic, and equal rights and obligations of both parties, the final project cost may be reasonable. On the contrary, the cost may be low and the construction unit may suffer losses.

Construction internship experience (selected 3 articles) Construction internship experience (selected 3 articles)

⑵ Engineering change visa clearance. Engineering changes refer to changes made by the owner to the original drawings during the construction process as needed. Since the original drawings have been changed, it will inevitably cause changes in the construction quantity, and changes in the quantity will inevitably cause an increase or decrease in the original contract price. In particular, some projects have a lot of changes, and the quantity of the work increases or decreases. The change is large, and the final basis for settlement is only the change visa of the representative of the construction unit, so the change of visa is particularly important. It can be said that whether the project change visa is timely and accurate directly affects the cost of the construction project.

⑶ Project final accounts review. The final settlement of the project refers to the settlement information prepared by the construction unit after the completion and acceptance of the project, including all project quantities and all prices. It is compiled by the engineering construction unit, and the construction unit conducts the preliminary review. Finally, the construction unit entrusts a qualified social intermediary agency to conduct the review and issue an review report. The review of project final accounts is the final step in infrastructure management activities and the last step in project cost control. Construction units must attach great importance to it.

4. Experience in engineering construction technology:

Once I participated in the drawing review, I understood the main content of the drawing review.

Before the start of a general project, the owner, design unit, construction unit and quality supervision unit must participate in the drawing review to discover and resolve errors and contradictions in the design, as well as vague concepts and problems that may easily arise during construction. Difficulties and other problems that may exist in future construction to avoid unnecessary losses during construction. The following points should be noted during the joint review:

First, find out the flaws and errors in the drawing itself. Review whether the drawing design complies with relevant national policies and regulations (architectural design, structural design and construction specifications, etc.); whether the drawings and instructions are clear, and whether the quoted standards are accurate; whether there are any errors or omissions in the construction drawing standards; the general plan and building construction drawing dimensions and plane position , elevation, etc., whether the relationship between horizontal, vertical, and cross-sectional drawings is consistent; whether the design of each professional type of work is coordinated and consistent.

Second, the feasibility of construction should be combined with the characteristics of the drawings to study the construction performance of the drawings in terms of quality, safety, construction period, technology, material supply, and even economic benefits during the construction process. Whether it meets the requirements of the drawings, it is recommended that the design unit make appropriate modifications if necessary.

Third, whether the geological data is complete and whether it can meet the requirements of the drawings; whether the surrounding buildings or environment affect the construction of the building, etc.; whether the functional design of the construction drawings meets the requirements of the construction unit, etc. These are the main contents of the drawing review.

To summarize the drawings and other issues in preparation for the joint review, the project technical leader will convene relevant personnel to conduct an internal preliminary review. In order to better understand the designer's design principles, I checked relevant atlases, conducted in-depth research on the drawings, raised many insightful questions, and had heated discussions with the construction technicians, trying to make every difference possible. Understand everything you understand. I found that in addition to the structural and architectural dimensions being wrong and the steel bars being wrong, the most important thing was that it was inconsistent with the ones in the atlas. Another most important thing I found was that the door openings in the shear walls were also very easy to make mistakes. .

Second, through practice at the construction site, I learned many technical points related to basement construction. Here I will summarize the construction technology of large cap concrete.

The concrete construction of the large cap platform (core tube) adopts the layered inclined plane backward method. In order to ensure the quality of pouring, in addition to requiring dense concrete, three key technical issues must also be solved: First, during the supply and pouring of concrete, it is necessary to ensure that the internal layers of concrete are well bonded and no construction cracks should occur; Adopt "three-mixing" technology and thermal insulation control to make use of the later strength of concrete, reduce the amount of cement, reduce the heat of hydration inside large-volume concrete, and prevent cracking of the concrete structure due to excessive temperature differences between inside and outside; thirdly, the maintenance of concrete must be strengthened Measures to ensure the later strength growth of concrete.

The concrete mix design adopts the "three-mixing" technology.

Among them, Class II fly ash is added to reduce the peak hydration heat, reduce the amount of cement, increase pumpability, ensure on-site pumping and continuous pouring, and add UEA expansion agent to prevent cracks caused by concrete shrinkage and enhance the structural strength. Self-waterproofing ability; add high-efficiency water-reducing agent to improve workability, reduce evaporation water channels generated by free water, and increase concrete compactness.

It can be seen from the properties of concrete that the surface of concrete bleeds and shrinks, which is prone to plastic shrinkage cracks. It usually occurs before the final setting of concrete, and due to the restrictions of steel bars, coarse aggregates, etc., the particles inside the concrete If settlement is uneven, irregular and harmful surface cracks will also appear. In order to prevent the occurrence of such cracks, when the concrete is poured to the design elevation, the concrete is vibrated and compacted by a vibrator. When floating slurry appears on the surface, it is immediately scraped with a scraper. Before the concrete is finally set and hardened, it is rubbed continuously with a wooden trowel. It is flat to close the concrete surface to prevent the occurrence of bleeding shrinkage cracks. At the same time, it is covered and maintained to prevent the concrete from being exposed to wind and sun, thereby eliminating harmful surface cracks caused by uniform settlement of internal particles of the concrete.

In order to avoid cracks due to excessive temperature differences between the inside and outside of large-volume concrete, the concrete maintenance method uses a thermal insulation and moisturizing composite insulation layer, that is, covering the surface of the concrete with a layer of plastic film and two layers of wet sacks in the middle. The top layer of dual-purpose plastic film is covered and pressed to prevent rain from soaking the sack and reducing the thermal insulation effect. And because the concrete should not be watered and cured before it is finally set and hardened, covering it is conducive to utilizing the water-cement ratio of the concrete to evaporate water for curing purposes; 5-7 days after the concrete is poured, the concrete is in a cooling state, and at this time the film and sacks are peeled off layer by layer. In the end, only one layer of sacks is left, and a dedicated person will water and maintain it for no less than 14 days. After the basement concrete was treated in this way, we carefully inspected the site. No construction cracks were found on the surface of the basement concrete, and the appearance met the quality requirements, indicating that the basement concrete had achieved the expected maintenance goals.

Although technical measures have been taken to reduce concrete cracks in the mix ratio, due to the large temperature rise of cement hydration heat, poor insulation and maintenance during the peak heat dissipation period after pouring will still cause concrete caps, The temperature difference between the inside and outside of the base plate and other thick and large-volume concrete is too large, and the surface concrete shrinks too much, generating tensile stress that exceeds the tensile limit of the concrete, causing deep cracks in the concrete, or even penetrating cracks, making the basement concrete unable to achieve impermeability and waterproofing. function. In order to ensure that the temperature difference between the inside and outside of the basement concrete is controlled within the 25°C specified in GB50204-2002, circulating water pipes can be buried in layers in components with a thickness of more than 1000mm in the concrete structure. After the concrete is poured, and according to the temperature measured by the temperature monitoring system The temperature difference between the inside and outside of the concrete is adjusted, and the amount of circulating water is adjusted to achieve the purpose of reducing the temperature difference between the inside and outside of the concrete. Selected internship report of 14-year architecture graduates

In order to accurately grasp the temperature rise and fall of large-volume concrete, the temperature difference between the inside and outside of the concrete is strictly controlled to be less than 25°C, and different depths are set up along the height direction inside the concrete. Temperature measurement points: One temperature measurement point is arranged for every m2 on the plane. The selection of temperature measurement points is representative and can reflect the temperature of various parts of the large-volume concrete in the basement. Start measuring the temperature 20 hours after the concrete is poured. Measure it every 4 hours and keep a record. The temperature measurement will last until the 10th day. The main content of the temperature measurement is to measure the difference between the core temperature and the surface temperature of the concrete. >>>Click the next page for more exciting?Reinforced concrete structure training summary?