1 civil engineering cost index
Civil engineering cost index mainly involves two types: quantitative index and value index. Among them, the quantitative indicators mainly include the normal interval value of steel bar content of various reinforced concrete members, unilateral main sub-item engineering quantity indicators, unilateral steel bar content indicators, engineering quantity consumption indicators and so on. Value index mainly refers to the normal comprehensive unit price interval value of each major component project, the normal proportional relationship of personnel, machinery and management fee profits in the comprehensive unit price of each component project, the proportion of each cost to the total cost of the unit project, the proportion of each component project cost to the direct cost or total cost, and the unilateral component project cost index, including the cost index per square meter of construction area (hereinafter referred to as unilateral) [1]. Quantitative indicators are usually long-term stable and static, while value indicators are usually dynamic, which will be affected not only by the construction project scheme, but also by the engineering quantity and equipment price level in different construction stages. Common influencing factors of civil engineering cost index are: general situation of the project (features of doors and windows, decoration, floor, wall, concrete, foundation form, storey height, total building height, storey number and structural form, etc.). ), material price setting level, charging standard, implementation quota, building use (venue building, factory building, teaching building, comprehensive building, residential building, commercial and residential building, etc. ), and the name of the project [In view of the above quantitative indicators and value indicators, we should pay attention to the following aspects in the process of civil construction: internal frame, external frame, formwork, foundation, earthwork, concrete ring beam (especially in brick-concrete structure), concrete column (including constructional column), beam slab, ceiling surface, external wall cylinder, internal wall cylinder, floor slab, roof waterproof and thermal insulation, door and window curtain wall.
2 civil engineering cost related information
The related data of civil engineering cost mainly involves the influencing factors of building structure characteristics, the related data of building volume and engineering cost, the related data between numerical values and the related data between engineering quantities. The influencing factors of building structure characteristics and the related data of building volume and project cost mainly include the relationship between cost and structure, span, depth, width, shape and height [4]; The correlation data between the values mainly include the cost correlation between installation specialty and civil engineering, the relationship between total cost and fees and taxes, the relationship between total cost and management fee profit, the relationship between total cost and measures fee, the relationship between total cost and direct cost, the relationship between total cost and cost, the relationship between partial project cost and measures fee, and the relationship between direct cost and indirect cost [5]; The correlation data between engineering quantities mainly include: the relationship between foundation engineering quantity and earthwork engineering quantity, the internal relationship between these engineering quantities, such as the building area of the cylindrical ceiling surface of the building wall, the relationship between these engineering quantities, such as the scaffolding area within the interior wall volume, the relationship between the building area and various engineering quantities, and the relationship between these engineering quantities, such as the scaffolding area outside the exterior wall volume, the relationship between the concrete volume and the weight of steel bars, and the relationship between the formwork area and the volume of concrete components [6].
3 the role of civil engineering cost indicators and related data
The relevant data and cost indicators of civil engineering usually need to be realized by summarizing and analyzing the cost budget and settlement of civil engineering. This requires civil construction personnel to have corresponding practical experience and work qualifications, so as to ensure the stability and accuracy of civil engineering data and cost indicators, which is also a direct manifestation of their personal work experience and ability. Civil construction units need to accurately grasp the significance of relevant data and cost indicators, regard them as the main driving force for the rapid development and comprehensive competitiveness improvement of construction enterprises, and regard them as the main competitive advantage for their long-term healthy development, and then gradually highlight and expand them. At the same time, it is also the accumulation of engineering experience data similar to the enterprise concept [7]. The relevant data and cost index of civil engineering will have a direct impact on the whole civil engineering, so it is also a main reference standard, which is helpful to correct the mistakes and deviations in civil engineering construction and effectively adjust the deviations in the construction process. At the same time, the relevant data and cost indicators of civil engineering are also a great force restricting the behavior of enterprises, which need to be constantly revised in the process of civil construction. If there are obvious deviations in the actual construction process of civil engineering, it is necessary to re-examine the workload of designing the whole project and adjust the unscientific and unreasonable contents in time [8]. Through the analysis of civil engineering related data and cost indicators, it can be seen that there may be problems in civil engineering valuation, construction scheme and site selection, which need to be adjusted and corrected in time, which is also the embodiment of the importance of civil engineering related data and cost indicators. Therefore, in the process of civil engineering construction, it is necessary to strictly follow the principle of architectural individualization, and the reference significance of relevant data and cost indicators can not be ignored [9]. On the other hand, in the process of compiling and auditing the civil engineering budget, it is necessary to properly analyze the selected data and indicators, achieve twice the result with half the effort, and find and solve potential problems in a large number of data budgets in time. It has been widely used in current civil construction projects and achieved good application results [10].
To sum up, with the rapid development of China's construction industry in recent years, the number of civil engineering has also increased significantly. In order to ensure the effective, long-term and healthy development of civil engineering construction, construction workers and construction enterprises need to deeply observe and analyze the importance of relevant data and cost indicators of civil engineering, so as to ensure the smooth development of civil engineering optimization design, cost estimation and pre-settlement projects. On the other hand, it is necessary to regularly organize civil engineering budget and final accounts personnel to study and analyze engineering cases, constantly sum up exploration experience in previous engineering practice, put forward constructive suggestions for the long-term development of civil engineering, and improve the professional and scientific level of civil engineering development.
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