BIM project real-time monitoring system and evaluation method
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A real-time monitoring system and monitoring system technology, applied in the field of rail transit, can solve problems such as the inability to solve dynamic cost monitoring and the inability to realize real-time monitoring for cost monitoring.
Pending Publication Date: 2019-09-13
CHINA TIESIJU CIVIL ENG GRP CO LTD
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Problems solved by technology
[0002] Current BIM-based cost monitoring cannot achieve real-time monitoring or is at the stage of theoretical description
Traditional BIM-based cost monitoring can only solve the relationship between the quantity and price of main materials, but cannot solve the dynamic monitoring of the cost of other costs
Method used
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Embodiment 1
[0103] Based on the above design ideas, such as figure 1 As shown, a real-time monitoring system for a BIM project in this embodiment includes an on-site construction information statistics system, a BIM construction output value progress simulation system, a real-time cost measurement system, and a real-time cost monitoring system;
[0104] On-site construction information statistics system: it is used for the collection of phased completion of sub-projects on site. At present, the system is mainly aimed at the information collection of four major unit projects in the subway construction, including subway stations, shield sections, temporary construction projects and special projects;
[0105] BIM construction output value schedule simulation system: such as figure 2 The schematic diagram of the BIM construction output value progress simulation is shown. After the construction progress is collected, the relevant project management personnel will confirm the BIM model image ...
Embodiment 2
[0148] This embodiment also discloses a method for real-time monitoring and evaluation of a BIM project, comprising the following steps:
[0149] S1. Determine the factor set of the evaluation object;
[0150] Let U={u 1 , u 2 ,...,u m} is the evaluation factor (evaluation index) in m that describes the evaluated object, where m is the number of evaluation factors, which is determined by the specific index system;
[0151] In order to facilitate the weight distribution and evaluation, the evaluation factors can be divided into several according to the attributes of the evaluation factors, and each category is regarded as a single evaluation factor, which is called the first evaluation factor; the second-order evaluation factor set is set under the first-level evaluation factors ; ie U=U 1 ∪U 2 … U m ;limited disjoint;
[0152] Among them, U i ={u i1 ,u i2 ,...u im}, U i = u i ∩ j ≠Φ, any i≠j, i, j=1, 2..., s, called {U i} is a division class of U;
[0153] In the...
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Abstract
The invention discloses a BIM project real-time monitoring system and an evaluation method. The BIM project real-time monitoring system comprises an on-site construction information statistics systemwhich is used for collecting staged completion conditions of on-site partial projects, a BIM construction output value progress simulation system which is used for confirming a BIM model image in a BIM database by a manager after the site construction progress condition is collected, calculating the output value after finding the corresponding unit price in a list database by the system, comparingthe BIM output value progress with the construction output value plan, and sending out a comparison early warning by the system, a real-time cost calculation system which is used for automatically generating corresponding image real-time cost calculation by the system according to the responsibility cost unit price database and the BIM mode confirmation number after the project manager confirms the BIM model image in the system, and a real-time cost monitoring system which is used for transversely comparing the calculated image real-time cost with the image actual cost after the system automatically completes image cost calculation, and sending out monitoring early warning when the node excess is negative.
Description
technical field [0001] The invention relates to the technical field of rail transit, in particular to a real-time monitoring system and evaluation method for a BIM project. Background technique [0002] The current BIM-based cost monitoring cannot realize real-time monitoring or is at the stage of theoretical description. Traditional BIM-based cost monitoring can only solve the relationship between the quantity and price of main materials, but cannot solve the dynamic monitoring of the cost of other costs. Therefore, real-time control of project progress and cost forecasting are taken as the main research aspects. The monitoring system based on the BIM real-time model uses 3D laser scanning technology and camera measurement technology to dynamically collect on-site progress data; with the BIM real-time model as the core, the dynamic monitoring information is integrated and shared; through the identification of component surface materials, the process is tracked, Support mo...
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Application Information
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