A method for synchronous overall lifting of ancient wooden structures

Abstract

The invention provides an overall lifting method for an ancient building wooden structure. Firstly, the non-load-bearing components are numbered and disassembled, and a scaffolding for auxiliary construction and equipment placement is erected according to the axis network, and steel plates are covered under the scaffolding. Scissor braces are set between the beams and columns of ancient buildings, and the joints between the beams and columns and the column foundations are reinforced by fixing angle steels with pull bolts to reinforce the mortise and tenon joints, and the scissor braces and the end angle steels and connectors are fixed by measures. Install an intelligent electric hoist on the high-level cross bar of the scaffold, and install a matching flexible steel sling on the intelligent electric hoist. A steel beam is tied between each depth, and the flexible steel sling is firmly tied to the steel beam. Place wireless displacement sensors on the angle steel at the base of the column; place wireless strain sensors near the mortise and tenon joints. The data measured by the sensors and strain sensors are transmitted to the integrated console, and the lifting speed of each electric hoist is controlled to complete the overall lifting of the structure. The construction process of the present invention adopts digital and informational judgment, which is safer and more reliable.

Description

technical field [0001] The invention belongs to the construction technical field of ancient building protection; in particular, it relates to an overall synchronous lifting method for an ancient building wooden structure. Background technique [0002] At present, in China's existing architectural heritage, wooden architectural heritage accounts for the majority, and its shape, structure, material, structure, and craftsmanship are of great significance to the study of the wisdom of ancient ancestors and the scientific mechanism of China's excellent traditional architecture. Therefore, the scientific and reasonable protection of these precious ancient wooden structures must be the top priority. After a long period of time, the wooden structure of ancient buildings will inevitably produce material damage accumulation. Once there is a strong external force, these architectural heritages will be at risk of damage. In addition, due to the change of historical dynasties, the groun...

AI Technical Summary

Problems solved by technology

After a long period of time, the wooden structure of ancient buildings will inevitably produce material damage accumulation. Once there is a strong external force, these architectural heritages are at risk of damage

In addition, due to the change of historical dynasties, the ground of urban roads has been continuously filled up, causing the indoor ground of most ancient wooden structures to be significantly lower than the outdoor ground, which will cause rainwater to pour back and waterlogging, and easily cause decay and collapse of ancient wooden structures Therefore, when repairing and protecting these important architectural heritages, more reasonable repairing and construction techniques are needed to protect their overall safety.

[0003] In recent years, the overall building lifting technology has developed to a certain extent, but due to the special joint structure of the wooden structure, the semi-rigidity of the mortise and tenon joints makes the existing lifting technology easy to cause local damage to the wooden structure, or due to acceleration during the lifting process. Too fast, resulting in the accumulation of damage to the mortise and tenon joints, which makes the ancient buildings have safety hazards in the subsequent service

In addition, because the current lifting technology relies too much on human subjective control, uneven lifting is prone to occur, and it is easy to cause excessive deformation and damage the structure during the lifting construction process.

To sum up, the current methods of overall upgrading of ancient wooden structures still need to be further studied.

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