Abstract
In order to improve the damage feature extraction effect of prefabricated residential building components and improve the structural stability of prefabricated residential components, this paper applies BIM technology to the structural feature analysis of prefabricated residential components. Moreover, this paper adopts the simple superposition method and combines the first strength theory of material mechanics to derive the formula for calculating the cracking torque of prefabricated residential building components under compound torsion. In addition, based on the variable-angle space truss model, this paper uses a simple superposition method to derive the calculation formula for the ultimate torque of composite torsion of fabricated residential building components and applies it to the BIM fabricated residential model. Finally, this paper constructs an intelligent BIM prefabricated residential building construction damage characteristic monitoring system. Through experimental research, it can be seen that the intelligent BIM prefabricated residential building construction damage feature monitoring system proposed in this paper can monitor the damage characteristics of prefabricated residential building construction and can predict the evolution of subsequent building features.
Highlights
Compared with low-rise buildings, high-rise buildings change from mainly resisting vertical loads to simultaneously bearing vertical and horizontal loads
Under the combined action of vertical loads, additional internal forces will be generated, which will cause cracks or deformations in infill walls and building decoration, and structural damage will occur in serious cases [1]. erefore, high-rise buildings must have sufficient strength during the design, and have reasonable stiffness to ensure that the lateral deformation generated under the horizontal load meets the requirements of the code
It can be seen that the intelligent BIM prefabricated residential building construction damage feature monitoring system proposed in this paper can monitor the damage characteristics of the prefabricated residential building construction and can predict the evolution of subsequent building features
Summary
Compared with low-rise buildings, high-rise buildings change from mainly resisting vertical loads to simultaneously bearing vertical and horizontal loads. Aiming at the insufficiency of digital technology in prefabricated residential buildings and the “secondary damage” caused by contact measurement to buildings, the literature [7] proposed a research idea of integrated internal and external three-dimensional modeling combining three-dimensional laser scanning technology and modern measurement methods, which provides high-precision data benchmarks for the future development, protection, maintenance, restoration, and reconstruction of cultural heritage of prefabricated residential buildings. Literature [14] uses oblique photography technology to perform three-dimensional reconstruction of prefabricated residential buildings. Oblique photography technology can carry out large-scale 3D reconstruction of buildings, its modeling cost is high and the amount of data is huge. Literature [20] uses CityEngine’s CGA rule modeling technology to achieve the establishment of a three-dimensional model of prefabricated residential buildings
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