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How to learn technology on the construction site
There is an old saying: you need to integrate theory with practice, learn while doing, and compare the drawings with the actual situation on the spot. Except books, you don't know how to learn from all the masters around you. See what is not done according to the picture in the book, and what is the bad influence on the quality. You must write it down and make a summary.

There are a lot of theoretical books to learn, all construction quality acceptance specifications, drawings, technological processes, building materials, building common sense and so on. Need to learn, "Architectural Architecture"; Architectural drawings, such as Understanding of Architectural Drawing, Unified Standard for Architectural Drawing (GB5000 1-20 10), Atlas (especially reinforced flat atlas), Construction Management of Architectural Engineering, Management and Practice of Architectural Engineering Project, Practical Manual for Project Management, and Workbook for Project Manager of Architectural Engineering.

As for how to read the map; I can only say a few words;

First, understand the map.

1, first look at the site layout, understand the general situation of the project and the influence of surrounding buildings on the project.

2, see the construction organization, probably understand the specific construction situation of the project.

3. Look at the construction structure diagram and architectural diagram, and combine them to have an overall understanding of the project.

4. For details, please refer to the construction drawing combined with the structural construction atlas, and the construction drawing combined with the architectural construction atlas.

5. Look at the structural drawing from the axial dimension, and check whether there is any discrepancy between the shear wall, column, beam, plate and other steel bars before and after, and whether the structure is consistent with the architectural drawing. Whether the site elevation of beam and slab is correct, whether the bathroom panel is marked in detail, whether the settlement joint structure treatment is appropriate, whether the staircase method is detailed, and whether all kinds of holes are detailed.

6. The architectural drawing shows whether the layout of each floor is reasonable, whether the layout of non-bearing walls and bearing walls is reasonable, whether the layout of beams and columns is beautiful, whether the position and size are consistent with the structural drawing, and whether there are any omissions in various holes.

7, reasonable construction practices, waterproof materials, coatings, tiles, etc.

Second, the architectural drawings symbol daquan

In architectural design:

L stands for beam, ll stands for continuous beam, ql stands for ring beam, jl stands for foundation beam, tl stands for ladder beam, dl stands for ground beam, Z stands for column, gz stands for constructional column, kz stands for frame column, M stands for door and C stands for window. @ means rebar spacing φ means rebar type.

1, a formal architectural design should have the signature of the designer, the signature of the person in charge of the architectural drawings, the signature of the reviewer, the signature of the proofreader, and the seal and the registered practice seal.

2. In architectural design drawings, the length is generally in mm, unless otherwise specified; Pay attention to the combination of "building material description" and other drawings when reading drawings. In the "Description of Building Materials", each item is marked with "√", which is the practice adopted in the design. What is not ticked is not the design practice.

3. As shown in the architectural design: "c20 reinforced concrete jl(240400) with 4φ 16 wound φ 6 @ 200 stirrups." The foundation beam of reinforced concrete structure with strength C is 240mm wide and 400mm high. It is equipped with four main steel bars with a diameter of 16mm (16 mm), and a rectangular ring of steel bars with a diameter of 6 mm is hoop every 200 mm (the length of the rectangular ring is about 340-350mm, and the width is about 180 mm- 190 mm).

4. For example, in architectural design: "c20 concrete column (240240) with 4φ 12 hoop] 6 @ 200." Where "] 6 @ 200" is a nonstandard label and should be "φ 6 @ 200". It is interpreted as: a c20-strength small beam of reinforced concrete structure, with a section length of 240mm and a width of 240mm, is equipped with four main bars with a diameter of 12mm (12mm), and a rectangular steel mesh with a diameter of 6cm is hoop every 200mm. The height of the column depends on the height of the floor marked by the project minus the height of the ring beam and the thickness of the panel, because the ring beam and the panel are poured together.

5. For example, m5 cement mortar is used to build mu 10 shell lime-sand brick in the architectural design. "m5" indicates the strength grade of cement mortar and "mu 10" indicates the strength grade of lime-sand brick. Mu 10 represents the average compressive strength of lime-sand brick ≥ 10mpa.

6.ql stands for ring beam and ring beam, which is usually used in brick-concrete building structure (mixed structure), that is, the wall is built first, and then the ring beam and the reinforced concrete on the surface are poured.

7, the practice of frame structure, namely pouring column, beam, beam, plate, etc. Dismantle the formwork and then build the wall.

8. According to the requirements of quality supervision, the contractor may be required to provide the certificates of reinforcement (each batch), cement (each batch), mu 10 lime-sand brick (each batch) and cement concrete test certificate.