The construction industry is the pillar industry of the national economy. In recent 10 years, the construction market in China has maintained a high growth rate. At present, there are about130,000 construction enterprises in China, with nearly 50 million employees. However, the industry management ability is generally low. In order to stand out in such a competitive trend, the first task is to vigorously develop human resource management and help enterprises manage projects, determine project cost control and achieve profitability with the help of high-tech computerized products. Therefore, in addition to technology, the core competitiveness of computerized products and services in the construction industry is more about how to improve the management level of the cost industry and improve the calculation efficiency, which is also an important link to realize the whole process of cost management. 1. Cost management and development trend The task of project cost management is to strengthen the dynamic management of the whole process of project cost, strengthen the constraint mechanism of project cost, safeguard the economic interests of all parties concerned, standardize price behavior, and promote the unity of micro-benefits and macro-benefits; The basic contents are: reasonably determine the price, effectively control the cost and improve the investment benefit. Today, with the popularization of computer network technology, all aspects of information flow are overwhelming. In the face of such a grand information flow, the traditional management mode and method are obviously powerless. We must find modern management means and use modern tools to make project cost management information and network. With the popularization of "Code for Valuation of Bill of Quantities of Construction Projects" (GB50500-2008) in China, the industry has put forward the requirement of improving the efficiency of engineering quantity calculation, and it is imperative to use cost computerization. Cost management with software is the development trend, and manual operation will inevitably be eliminated. 2. Impact of Computerized Valuation on Cost Industry 2. 1 Impact of Computerized Cost on Cost Technology With the continuous improvement of the level of scientific and technological informatization, the application of single cost technology has failed to keep up with the information needs of cost industry; It is urgent to deepen the reform of cost technology in essence. On the one hand, the tool software in the cost industry should be further widely used, using the flexibility and openness of the software to edit freely to meet different needs, emphasizing the independent quotation of enterprises, and truly "separating quantity from price"; On the other hand, the development of the cost industry requires the whole process information management of the project to save the project cost, but the comprehensive data needed by the industry cannot be extracted from many scattered systems. Only through the network platform, the industry * * * information system can store the complete information of the project in the * * * information database, so that information technology can serve the cost industry and provide data support for the management decision of construction enterprises. 2.2 The impact of cost computerization on work efficiency The traditional manual preparation of budget and final accounts takes a long time and has a heavy task. At the same time, manual calculation is affected by various conditions, which will inevitably lead to engineering cost errors and data management difficulties. With the development of national economy, the building structure is becoming more and more complex and diverse, and the calculation of engineering quantity is becoming more and more complicated. In today's fully open market economy, the price of materials fluctuates greatly, and various charging coefficients and design changes are also adjusted from time to time. In addition, the construction period of the project is gradually shortened reasonably under the condition of ensuring the quality, and manual calculation can no longer meet the needs of rapid and dynamic development in the new era because of the complicated operation process. The development of computerization has improved the calculation conditions, improved the speed of information circulation and cost quality, reduced the workload of cost personnel, and promoted the deepening and diversification of computer application in engineering cost industry. As long as several existing engineering calculation softwares are built, the engineering quantity will be calculated automatically, quickly and accurately. Especially after BIM (Building Information Modeling) technology has been implemented steadily in the construction industry, the concept and implementation of digital architecture and digital cost have gone deep into the industry. BIM technology can be used to modify the forward and backward design of multi-disciplines from scheme design to construction drawing in the early stage of the project through digital modeling technology. In the process of design modification, BIM technology can adjust the change of scheme or pattern in time, especially when the design changes, or some data is wrong, one data is wrong, and dozens or even hundreds of projects need to be recalculated. The calculation software only needs to change a small amount of data in the original calculation model, and can get accurate results immediately. As a part of BIM technology, cost computerization plays a very important role in all stages of project construction. After the application in the industry, the work efficiency of project cost has been greatly improved. At present, computerized software can deal with complex models, improve the accuracy of engineering quantity calculation, and reduce data extraction errors and arithmetic errors compared with manual calculation. Accurate calculation results can be obtained for complex shapes and intersecting inclined planes, while manual calculation needs approximate calculation in many occasions. Computerized engineering quantity software can conveniently carry out statistical analysis and management of the calculation results of engineering quantity in various ways, such as layering, material, sub-item and division, and conveniently apply the calculation results to daily work such as cost analysis, material management and construction management. It is convenient to check the calculation results, and the calculation software is convenient to check the results by itself. Using three-dimensional display, it is convenient to check the correctness of the calculation model and calculation results, and the software can print the calculation results on the annotation map, which is also convenient to check. In addition, the cost computerized software also facilitates the transmission, storage and verification of the cost data of all construction parties. 2.3 the impact of cost computerization on cost personnel The reasonable determination of project cost is a necessary means to improve the economic benefits of enterprises, and cost personnel are the core strength of cost work practice. Before the cost computerization, the cost practitioners took a pen, a calculator and a pile of calculation papers as all tools, and the long-term work at their desks and boring repeated calculations of addition, subtraction, multiplication and division were the real work portrayal. After entering computerization, the workflow has completely changed. When you get one of the pictures, you just input the information of this picture into the computer and process it one by one, no matter what. The three-dimensional relationship between drawings and the thinking work of three-dimensional association will be automatically replaced by the computer according to the geometric relationship such as model axis network and elevation, which greatly reduces the work intensity and complexity of cost makers and thus changes the calculation workflow. Using the software of engineering quantity computerization to calculate the engineering quantity can greatly improve the work efficiency, improve the application value of the calculation results and improve the working conditions of the cost personnel. It can win more development space for enterprises in the market and obtain greater market profits. The efficient use of computerized engineering software has created great market value for most enterprises, and will inevitably have a great impact on the cost industry. Whether the cost of a project is reasonable depends on the working ability of the cost personnel. The development of computerization has brought great convenience to the cost personnel, and also urged the project cost personnel to strengthen the study of theoretical knowledge of project cost, and at the same time strengthen the study of computer, finance, economy, law, statistics and other professional knowledge related to cost, and use these knowledge to improve the quality and speed of project cost compilation. Not only that, but also the cost personnel are required to spare more time to strengthen the contact with the outside (such as designers and auditors) and the inside (such as various professional functions, such as civil engineering, installation and municipal administration), so as to make accurate cost. With the deepening of social informatization and the popularization of "engineering quantity calculation software", it is bound to set off a technological revolution that people can't live without. 2.4 The impact of cost computerization on bidding The development of cost computerization has promoted the electronization of construction market transactions, and most of the bidding work has been transferred from paper materials to online platforms. Electronic bidding system has been implemented in domestic big cities and some small and medium-sized cities, and the software system will automatically check whether the bidding documents conform to the reasonable fluctuation of bidding bill of quantities and bidding control price, and grade and evaluate the cost level. This greatly lightens the bid evaluation work, improves the automation level of bidding and accelerates the transaction speed of the project. Secondly, a standard data connection is established between the bidding trading center and the bidders, which makes the bidding, tendering, settlement, auditing and other trading processes of engineering construction more convenient and quick, and the related databases guide each other to facilitate data exchange and sharing. Furthermore, the computerized electronic bidding environment will help the construction cost industry to form a fair competitive environment, and the transaction cost of industry users will be greatly reduced. Under the mode of cost computerization, the bidding system and contract management system are being vigorously promoted and improved, the restraint mechanism of project cost is strengthened, the economic interests of all parties concerned are safeguarded, and the price behavior is standardized. 3. Development trend of cost computerization With the rapid development of information technology and the continuous improvement of business requirements of engineering cost industry, the informatization construction of cost management in China has entered a period of rapid development. The characteristics of the development trend of computerization are as follows: first, it covers the whole process of engineering construction, such as investment estimation, design budget, construction drawing budget, bidding, project settlement, final accounts of completion, audit and so on. , including design, civil engineering, installation, municipal and other professional projects. Second, orderly business processes meet the basic internal requirements of engineering construction and provide basic data for post-project evaluation, so as to maximize the benefit and efficiency of construction project cost. At present, the building model is mainly obtained by monomer modeling technology, and then the engineering quantity and output cost are extracted. The future development will be mature BIM technology. Using CAD platform technology, construction drawing design is three-dimensional design. After entering the cost stage, directly import the model, and simply edit the model to output the engineering quantity. The pricing software seamlessly interfaces with building materials websites, engineering trading centers, banks and other departments. Adding some professional analysis software to the client can output the corresponding project cost data. 4. Conclusion At the moment of vigorous economic development, the cost management of project cost will determine the survival and development of enterprises in the global market economy competition, and the consulting industry is also facing such problems. As an information means, cost computerization has greatly improved the work efficiency and project management ability of enterprises, and its rapid development and in-depth application is the key to enhance the competitiveness of the whole cost industry in the future.
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