On construction projects _ Materials Quality Supervision and Control Network to write papers

Write papers network: [Abstract] The quality of materials the project will directly affect the entire construction process of quality status and grade, structural safety, the use of feature construction is completed, etc. therefore, the material of construction projects control the construction quality supervision is critical throughout the process, plays a pivotal role.

[Keywords] construction, material quality, to establish control

Construction materials and other types of models are quite different, and often are in the process of building capital, technology, space and other factors make the construction process in a variety of materials in batches approach, leading to the different models, different batches of materials, qualified, and for inspection of all stacked together at the construction site, while in the construction process due to a variety of different materials in the handling of the state, so for material quality control, need to establish comprehensive supervision of its control, not only to the specifications of each material in the entire construction process to get a clear classification of control and supervision system to form clear, the implementation of various control the quality of construction materials, construction quality assurance is Qualified key factor, and thus the quality of materials for construction supervision of the project is the construction quality control checks under the indispensable and integral part of an important part.

1 material quality construction projects in need of Supervision and Control
How the quality of construction materials, will directly affect the quality status of the entire building process and the level of the structure is safe to use after the completion of the construction features, etc. Therefore, supervision is essential. Conventional building materials in construction projects up to the required amount the dominant material, the quality of how it will be directly related to the construction quality, and test new materials and methods used continuously updated, which requires the supervision of the process to form a complete monitoring system, using scientific means of supervision, In the construction of the whole process of supervision reflects the value for material control.

Strict quality control of materials and inspection procedures, approach and strict examination of the material and construction site inspection and acceptance is to ensure the quality of construction materials, the basis of qualified supervision work of construction materials quality supervision is the response to strict customs, to achieve all-round, the whole process of scientific materials, quality control, so that all stages of the construction materials to run smoothly, so smoothly to reach the goal of construction quality standards.

2 strengthen the quality of construction projects in the Supervision and Control of Materials
2.1 Supervision of construction materials procurement process
Before ordering the contractor to determine the need, should the manufacturers of the relevant qualifications first condition, test data, technical information and samples related to the supervising engineer to check if the supervising engineer after review that manufacturers can meet the basic requirements, only with the factory orders, while the lack of relevant data or have questions, need further management of the factory's production processes, quality assurance methods and means to understand, to determine their order in order to guarantee reliable every year the spring, construction material often showing a state of shortage, such as steel, cement. therefore, any approach for planning materials, supervision and who have qualifications in conjunction with the construction unit of the manufacturer and quality assurance measures to audit, and the requirement to order product samples it provides quality assurance, according to the quality of the items listed in the book and then test the sample quality, sample does not meet specifications, standards, and can not order their products.

2.2 pairs of on-site supervision of the quality of materials
Upon entering the construction material, must continue to strengthen the strict supervision of the construction site of a variety of materials, samples and drawings and in-kind materials must be compared.

Group should be consistent with the construction materials piling up the overall layout of the design requirements according to specifications, type, time for a different classification approach, the use of different signs to distinguish the different materials should have clear boundaries to distinguish between qualified and materials to be tested, substandard materials, substandard signs must be plugged immediately, marked appearance date, the deadline to exit, to prevent misuse.

Strictly enforce the reporting system approach. Construction units generally organize materials by material entering the program approach, should be required to notify the Commissioner in writing a day in advance to arrange for witnesses who witness the sampling inspection, no written notice has not been reviewed to confirm the Commissioner's approach materials must be unconditionally removed from the site of construction, the approach must be established for the material entering the appropriate reporting mechanism, and timely access to first-hand approach, in accordance with the provisions of supervision.

Rigorous examination of material statements and related documents. Audit qualification documents must be reviewed, the construction unit must also be based on self-test, kind of material, packaging, marking sampling check, and check to meet the design requirements.

Acceptance of the construction process and construction supervision of control when the quality of the materials in the construction process of building materials for those sources is unclear, must not use, and to trace out the source of building materials as well as responsible persons in the construction inspection of the time, must be materials, strict quality assurance data checks, effectively grasp and approval. enhance the quality of engineering materials management, construction units should approach the beginning. urging the main control to establish a sound quality management system, from the system, accountability, planning, site management to proceed monitoring construction, supervision and other units of the quality management system to run and protect material declaration, customs inspection, the establishment of control and diligent examination, can effectively control the quality of materials to ensure that qualified in the construction materials used to meet the design, construction, inspection and regulatory requirements. Links to free download http://www.hi138.com
Supervision of 2.3 pairs of new materials
New material usually refers to the successful development of new or newly produced has not been used in engineering materials. Construction using new materials, we must implement "strict", "safe" principle. Specifically, should meet the following conditions: ① New material production or research and development units must be the official product, product quality standards, and have reached the required level and any production of new materials research and development unit, in addition to a variety of warranty information should be developed, but also must have product standards, if there is no national standards, industry standards or local standards, you should develop enterprise standards, companies must fulfill the standard filing procedures for those who did not follow the quality standards of building materials, or materials that are not standard warranty, and resolutely not used in the building process . ② new materials must pass the test and identification of all the properties of new materials, how to pass the relevant tests to determine. test unit must have the appropriate qualifications. In order to ensure the reliability and durability of new materials, new materials for engineering before, through a certain level of technical feasibility and identification. involving the foundation, the main structural safety and environmental protection, energy efficiency, fire resistance and impact on important architectural features of the material, should be subject to relevant regulatory approval. ③ the use of new materials to be approved by the design and construction, and procedures for written approval. Who have not traveled written approval procedures for new materials, supervision engineers, construction units shall not agree to its being used in construction.

2.4 explicit material supervisory procedures, the development of materials supervision rules
Although our international practice as related to construction supervision system introduced to the supervision of construction materials, but not yet formed a unified and standardized management model. Which construction projects must be implemented throughout the course of supervision, so that all parties involved in building a clear understand the methods of supervision, nature of work and supervision of operational processes. detailed rules for each construction is to the actual situation, and adopt the appropriate supervision of the details of specific materials, specifically materials, supervision of the general procedures in the supervision of construction materials details, should be more clear on the material duties of supervising engineers, steps, tools, work methods, and quality requirements for building materials and quality assurance measures to be taken, etc. the supervision process, supervision engineers material is strictly supervision plan, rules to carry out work, the material supervision gradually normalized track.

2.5 specification supervision procedures, improve the quality of supervision
Standard procedure is to improve the supervision of the efficiency of supervision an important guarantee, and supervision by the level of quality and technical level of strength is directly related to the supervision of the efficiency and thus, in addition to construction project supervision in the material itself to achieve the full specification on the Supervision , while the improvement of procedures for supervision and improving the quality of supervisors is also important to be mentioned that the position now. materials quality supervision is the construction quality assurance, supervision of staff to improve the quality of the grasp of the material and requirements, not only in efficiency to be improve, while also ensuring quality of works. This calls for strict supervision of staff technical training, certificates. so that every building project has qualified supervisors. and in the scientific management mechanism to determine effective reasonable supervision procedures, the quality of building materials can be the first time, feedback, and quality of materials strictly, so that in order to achieve good in the process of establishing the economic benefits, while ensuring the construction quality, to achieve social good evaluation and reputation. In short, the material for the supervision of construction projects throughout the construction process, and must be fully in the process of checking.

References:
[1] Ye Dan member Xuguang of cement stabilized crushed stone materials technology and Supervision Method of [J]. Construction Supervision .2008
[2] Yang Xu Jun construction materials, supervision and inspection to explore [J]. China's new technologies and new products .2010
[3] Liu Xuedong. Of engineering materials, supervision and quality control [J]. Shanxi Construction .2009. Links to free download http://www.hi138.com