Research On Life-circle Quality Control And Building Technology Of Multi-ribbed Wall Panel Structures

Multi-ribbed wall panel structure is an energy-saving and seismic building structure system, which has a broad perspective in application. However, as a new type of structure system, it still has many imperfections. In the field of life-circle quality control and building technology, especially, little research has been done. The paper, which puts the multi-ribbed wall panel structure as an example and takes the life-circle quality control and building technology as its main line, performs a systemic research and discussion in several aspects, such as the feasibility demonstration and scientific decision-making system of projects in all life cycle, evaluation of the structural life-cycle cost and the design of quality control system, study and exploitation of the construction technology for multi-ribbed composite wall and structure systems, quality control and construction management, use and safety assessment of the new structure in all life cycle and so on. Followings are in details:1. Research on relation model of construction quality and using lifeThe relation model of the construction quality and using life is used to compare and estimate the adopted construction plans at the stage of feasibility demonstration, which can predict the reliability and life of engineering structures performs the corresponding reliability assessment. Based on the characteristics of multi-ribbed wall panel structure and by studying the quality analysis model and using analysis model, the relation model of the construction quality and using life is established. That can provide abundant information concerned for investors in the early construction stage, as a result, the investment risk brought by the quality accidents of construction can be reduced, and the reliability of planned investment decision can be enhanced.2. Establishment of DEA evaluation model and research on multi-objectived synthetical assess methodThe investing benefit of the construction project is decided by the assessment and choice of the schemes in the feasibility demonstration. In order to overcome the disadvantages of both single index evaluation and faultiness in assessing index, the Data Envelopment Analysis method is applied in the paper to establish the DEA evaluation model. And the multi-objectived synthetical evaluation is carried out to the multi-ribbed wall panel structure, which provides theoretical basis for scientific policy decision. At the same time, the feasibility of construction of Rongtai Residential Area in Tangshan is studied.3. Research on life-circle total cost assessment and optimal seismic design of structure based on invest-benefit rulesLife-circle total cost assessment which aims at the minimum total cost for the life-circle cost is the basic problem for the seismic design based on performance. In light of the characters of multi-ribbed wall-panel structure, the initial cost assessment model is set up. By the example analysis, the feasibility of loss charge of invalidation of the structure evaluated by the fuzzy comprehensive evaluation method is testified, and the concept of disaster-distribution design is brought forward. The optimum seismic design method of multi-ribbed wall-panel structure based on invest-profit is given. That provides theoretical foundation to performance-based seismic design of multi-ribbed wall-panel structure. Meanwhile, the quality control and management of structure design are also discussed.4. Study on construction technology of multi-ribbed wall-panel structureResearch of the construction technology of multi-ribbed wall panel structure is the precondition of the spreading and application for the structure. This paper, based on the summary of traditional construction technology, brings forward the inner-heated self-circulation steam conservation system and mobile construction technology firstly. In light of characters of multi-ribbed wall panel structure, the connecting constitution and a new construction technology of assembled integration are presented, meanwhile construction quality control of subsoil and foundation is also discussed.5. Research on construction quality control and management method of multi-ribbed wall panel structureBy the commentary on basal theories and methods of construction quality control, the control model, implementing means and practice effect are brought forward. Moreover quality control method based on probability counting theories which is suitable to multi-ribbed wall panel structure is given. The relative analysis indicates: the quality control of multi-ribbed wall panel structure includes not only some macro aspects, such as the design stage, construction stage and using stage, but also the technical control in each stage. It is essential to unite the macro control with micro control, and so is the management control and technology control. At the same time, the total process, total project and total employee quality control system is discussed to the demonstration engineering of the multi-ribbed wall panel structure.6. Research on using management and safety assessment method of multi-ribbed wall panel structureBased on the contrast and analysis of construction maintenance management inland and overseas, using management method of multi-ribbed wall panel structure is put forward. According to the reliability and durability of the structure, some built multi-ribbed wall panel buildings are studied by test on site, inversion of dynamical characters of structures and static elastic-plastic analysis, which discusses the safety assessment method of multi-ribbed wall panel structure.The mainly original points are as follows:The concept of life-circle is applied in multi-ribbed wall panel structure system firstly. The quality control and construction management are carried out to go throughout by the feasibility testify of projects, optimum design of structures, researches on construction technology, running and safety assess of projects. Following are in details:1. Establishment of the relation model of the construction quality and using life for multi-ribbed wall panel structure and presentation of multi-object synthetical assessment methodBy studying the reliability indexβof multi-ribbed composite wall, the relation model of the construction quality and using life for the structure is built. The data envelopment analysis method is employed to carry out the multi-object synthetical evaluation to engineering, which provides theoretical base to scientific decision of project feasibility.2. Establishment of life-circle total cost assessment method of multi-ribbed wall panel structure based on invest-benefit rulesBased on the constitution characters of multi-ribbed wall panel structure, the paper proposes the concept of disaster-distribution design, presents the optimum seismic design method based on invest-benefit rules of the structure and sets up the initial cost assess model. By the example analysis, the feasibility of the method that using the fuzzy comprehensive evaluation to evaluate the invalidation loss charge of structure is testified.3. Research and Development for building technology of multi-ribbed wall panel structure and production craft of multi-ribbed composite slabThe new method of connect constitution and assembled integration construction are brought forward in light of characters of multi-ribbed wall panel structures. The inner-heated self-circulation steam conservation system and mobile construction technics are brought forward firstly and program was applied for invention patent to the state.4. Presentation of quality control method of multi-ribbed wall panel structure based on theory of probability countingThe control model, practice means and fulfillment effect of construction quality are analyzed, and the quality control method based on probability counting theories which is suitable for the multi-ribbed wall panel structure is proposed. The three-total quality control system including total process, total project and total employee is discussed in light of model multi-ribbed wall panel structure projects.