1.Space Frame Engineering Quality Control Process
1.1.Space frame construction process
1.1.1.The process flow of space frame components processing
Raw material selection and inspection → cutting → grounding and welding → rust removal and coating → packaging, marking, storage and transportation.
1.1.2.Space frame installation and construction process
Check the base structure and embedded parts → measure and set off → sort and stack the space frame parts → test the compound size of the small unit on site → connect and install the support → install the lower chord, web and upper chord → check the first space frame→ in order Carry out the installation and inspection of each space frame→installation of roof panels and gutters → overall inspection of the space frame→cleaning→acceptance→dismantling of scaffolding → completion.
1.2.Quality control process of space frame construction
Preparatory work before the start of construction (joint review of drawings, implementation of the quality assurance system, construction progress plan and program formulation, new process and new material test) → construction report "Commencement Report" → construction unit chief engineer, supervisor approval → material inspection → process construction → quality Check, review and confirm the "Material Inspection Form" and "Procedure Inspection Form"→on-site quality control→completion report, as-built drawing and technical management data management→project quality assessment→individual project acceptance.
- Quality control measures for spaceframe engineering
2.1.Reasonable establishment of project quality management organization
The project quality management organization must be established according to the characteristics, scale, and technical complexity of the project . The staffing must be professional and complete, the structure reasonable, and the quantity meet the needs of on-site management and management. The site must be equipped with necessary testing tools. On-site professional engineers are responsible for project quality control.
2.2.Compilation of perfect construction quality management rules
Before the start of the project, the project management agency should organize quality management personnel and technical personnel to formulate quality management implementation rules (plans) on a large scale according to the characteristics of the space frame project, clarify the procedures, measures, and methods of control during the construction process, and implement quality management during the process, Organize quality management work in strict accordance with the content and requirements of the quality management rules.
2.3.Contents of its quality management rules
2.3.1.Specify the personnel of the quality control organization, the quality requirements of each process - quality control procedures, methods and means, acceptance criteria, tests, quality control authority, etc.
2.3.2.According to the construction characteristics, set up key quality control points, including quality certificates of raw materials (steel pipes, bolt balls, sealing plates, cone heads, sleeves, high-strength bolts, etc.), key process inspections include measurement and setting out, and support connections, Chord and web installation, roof panel installation and completion inspection, etc.
2.3.3.List the expected quality inspection and prevention and control measures (including materials, network frame installation, etc., which are prone to quality problems).
2.3.4.Compile the quality assessment and acceptance form for each process of the space frame structure. The various construction quality inspection forms shall be handed over to the quality management personnel and the main operators, and implemented during construction . The quality work form shall use a unified and
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