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CN-122020785-A - Planning building BIM-oriented underground space conflict detection method

CN122020785ACN 122020785 ACN122020785 ACN 122020785ACN-122020785-A

Abstract

The invention discloses a planned building BIM-oriented underground space conflict detection method, which relates to the technical field of space detection and comprises the steps of determining a three-dimensional space range for conflict analysis according to basic design information and site engineering geological information of a planned building, wherein the three-dimensional space range horizontally and vertically changes along with basic characteristics and surrounding soil conditions of the planned building, intercepting all underground facility elements which are completely or partially positioned in the three-dimensional space range from a current underground space database based on the three-dimensional space range to define a potential conflict element set, and simultaneously extracting all basic and underground structural members intersected with the three-dimensional space range in the planned building to define a member set to be detected.

Inventors

  • Chen Jianlue
  • LIANG HAIJUN

Assignees

  • 广州市华信建设有限公司

Dates

Publication Date
20260512
Application Date
20260115

Claims (10)

  1. 1. A method for detecting a collision of an underground space facing a planned building BIM, comprising: Determining a three-dimensional space range for conflict analysis according to basic design information and site engineering geological information of a planning building, wherein the three-dimensional space range is changed along with basic characteristics and surrounding soil conditions of the planning building in horizontal and vertical directions; Based on the three-dimensional space range, intercepting all underground facility elements which are completely or partially positioned in the three-dimensional space range from a current underground space database, and defining the underground facility elements as a potential conflict element set; When a direct space or action conflict exists between any one of the components to be detected in the component set to be detected and any one of the potential conflict elements in the potential conflict element set, or an indirect conflict relation is formed through the serial connection of other potential conflict elements in the potential conflict element set, the components to be detected are identified as chain type transmission conflicts, and the association objects and interaction paths forming the chain type transmission conflicts are recorded; Based on the identified type of chain transfer conflict, complexity of the interaction path, and spatial aggregation of the conflict, a structured conflict report is generated that includes conflict localization, conflict type, transfer path, and handling priority.
  2. 2. A method of planning building BIM oriented subsurface space collision detection according to claim 1, wherein the process of determining a three dimensional space range for collision analysis performs the following operations: And taking the outer edge of the foundation outline of the planned building as a starting point, and respectively expanding the foundation slab burial depth, the length of the support piles and the parameters of the internal friction angle of the soil body in the field engineering geological information of the planned building along the horizontal direction and the vertical direction to form a horizontal projection boundary and a vertical bottom surface of the three-dimensional space range.
  3. 3. The method for detecting collision in a planning building BIM-oriented underground space according to claim 1, wherein the following determination is performed in the traversal analysis: Calculating the minimum space distance between the to-be-detected components in the to-be-detected component set and the potential conflict elements in the potential conflict element set, and judging that space intrusion conflicts exist if the minimum space distance is smaller than a preset geometric intrusion threshold; or simulating attenuation of construction vibration in the soil body, and judging that construction disturbance conflict exists if the simulated vibration value of the position of the potential conflict element in the potential conflict element set exceeds the structural tolerance threshold value.
  4. 4. The method for detecting the collision of the underground space facing the planned building BIM according to claim 3, wherein the damping simulation of the construction vibration in the soil body is carried out, and the vibration source intensity, the soil body damping coefficient and the vibration propagation distance parameters of the construction machine are input for calculation.
  5. 5. The method for detecting collision in a planning building BIM-oriented underground space according to claim 1, wherein the step of identifying the indirect collision relationship is performed by: creating each object in the potential conflict element set and the component set to be detected as a node, and if conflict exists between the two nodes according to the conflict judgment basis, creating a directed edge between the two nodes; And traversing the search along the directed edge from the nodes of the components to be detected corresponding to the components to be detected, and judging that the paths form a chain type interaction path for transmitting the conflict when finding a path passing through the nodes of the potential conflict elements corresponding to at least one potential conflict element set and ending at the nodes of another underground facility.
  6. 6. The method for detecting a collision of a building BIM oriented to planning in accordance with claim 5, wherein creating a directed edge between nodes further comprises: according to the conflict judgment basis, not only is the existence of conflict judged, but also one or more physical state variables of the directed edge are calculated and assigned; The physical state variables comprise soil stress redistribution range values caused by space invasion, or actual measurement or simulated vibration acceleration values of construction vibration transmitted to the directional edge terminal point node facilities.
  7. 7. The method for detecting collision in a planning building BIM-oriented underground space according to claim 5, wherein after searching for the interaction path, the following operations are further performed: identifying the types of all nodes in the interaction path, and marking the interaction path as high-risk chain transfer conflict if the interaction path simultaneously comprises a life line engineering facility node and a cultural relic or a precision facility node which is highly sensitive to disturbance.
  8. 8. The method for detecting a collision of a building BIM oriented to planning according to claim 7, characterized in that after marking the interaction path as high risk, it further comprises: Starting a real-time monitoring data interface for an interaction path marked as high risk to acquire current running state sensing data of a life line engineering facility node in the interaction path; The current running state sensing data is used as a dynamic variable and is input into the blocking simulation analysis of the interaction path for correcting the path state judgment after the simulation elimination operation.
  9. 9. The method for planning building BIM-oriented collision detection of a subterranean space of claim 5, further comprising: extracting interaction paths of chain transfer conflicts aiming at the identified chain transfer conflicts and identifying all directed edges and corresponding conflict types forming the interaction paths; Simulating the state of each directed edge on the interaction path after the conflict relation corresponding to the directed edge is eliminated, traversing the search association graph again, and judging whether the original interaction path is blocked; If the original interaction path is blocked, recording a conflict link corresponding to the directed edge as a candidate intervention point; Screening out the preset treatment operation of the conflict type corresponding to the candidate intervention point from all candidate intervention points, mapping the preset treatment operation to links which have the minimum required construction procedures and do not involve shutdown or relocation of the life line engineering facility nodes in an engineering measure knowledge base, determining the screened links as recommended primary intervention links aiming at the chain transfer conflict, and incorporating information of the recommended primary intervention links into a structural conflict report.
  10. 10. The method for detecting collision in a planning building BIM-oriented underground space according to claim 9, wherein simulating the collision relationship corresponding to the directed edge is eliminated including: One or more specific construction processes corresponding to the conflict types corresponding to the directed edges are called and eliminated in an engineering measure knowledge base; According to the working space, construction period and space-time operation limiting relation with other node facilities in the interaction path required by a specific construction process, the states of relevant edges in the association diagram are dynamically adjusted in simulation, and re-traversing is carried out to judge the path blocking condition.

Description

Planning building BIM-oriented underground space conflict detection method Technical Field The invention belongs to the technical field of space detection, and particularly relates to a planning building BIM-oriented underground space conflict detection method. Background As urban underground space development density continues to rise, the risk of conflict between the planned building and the current underground facilities is increasingly prominent. The traditional underground space conflict detection method has the remarkable limitations that direct space encroachment or construction disturbance conflict is focused only, chain type transmission conflict formed by multi-node serial connection cannot be identified, potential safety hazards are easy to miss, quantitative basis is lacking in risk classification, high-risk paths including life line engineering, cultural relics or precision facilities are difficult to accurately lock, interference points are selected to depend on experience judgment, feasibility of construction technology, complexity of procedures and influence on urban operation are not combined to carry out systematic screening, simulation analysis is based on static assumption, real-time operation state of facilities is not integrated, treatment scheme and actual working conditions are disjointed, and construction period delay, cost hyperbranched or public safety risks are easy to cause. Therefore, the prior art has at least the following problems that chain type transmission conflicts caused by the serial connection of a plurality of underground facilities cannot be identified, conflicts of highly sensitive facilities such as life line engineering and the like are lack of a dynamic risk assessment and treatment correction mode based on real-time states, and selection of conflict intervention points is lack of systematic coupling analysis of feasibility of specific construction technology, complexity of working procedures and influence on urban operation. These drawbacks are interrelated and none of them is solved in isolation to ensure the safety and economy of underground space development as a whole. Therefore, a conflict detection method capable of comprehensively identifying chain type transmission conflicts, accurately classifying high-risk paths, scientifically screening optimal intervention links and dynamically adapting to actual working conditions is needed, so that the safety and engineering feasibility of underground space development are improved. Disclosure of Invention The invention aims to provide a method for detecting the conflict of the underground space facing to the planning building BIM, so as to solve the problems in the background technology. A planning building BIM-oriented underground space collision detection method, comprising: Determining a three-dimensional space range for conflict analysis according to basic design information and site engineering geological information of a planning building, wherein the three-dimensional space range is changed along with basic characteristics and surrounding soil conditions of the planning building in horizontal and vertical directions; Based on the three-dimensional space range, intercepting all underground facility elements which are completely or partially positioned in the three-dimensional space range from a current underground space database, and defining the underground facility elements as a potential conflict element set; When a direct space or action conflict exists between any one of the components to be detected in the component set to be detected and any one of the potential conflict elements in the potential conflict element set, or an indirect conflict relation is formed through the serial connection of other potential conflict elements in the potential conflict element set, the components to be detected are identified as chain type transmission conflicts, and the association objects and interaction paths forming the chain type transmission conflicts are recorded; Based on the identified type of chain transfer conflict, complexity of the interaction path, and spatial aggregation of the conflict, a structured conflict report is generated that includes conflict localization, conflict type, transfer path, and handling priority. In some possible implementations, the process of determining a three-dimensional spatial range for collision analysis performs the following operations: And taking the outer edge of the foundation outline of the planned building as a starting point, and respectively expanding the foundation slab burial depth, the length of the support piles and the parameters of the internal friction angle of the soil body in the field engineering geological information of the planned building along the horizontal direction and the vertical direction to form a horizontal projection boundary and a vertical bottom surface of the three-dimensional space range. In some possible implementations, the following de