The meaning, use and significance of dynamic damping tests for booms
In the modern engineering field, the safety and stability assessment of large structures such as bridges and high-rise buildings is of paramount importance. As a key technology in this assessment, boom dynamic damping test not only plays an important role in the early stage of structural design, but also plays an indispensable role in the later stage of maintenance and management. The purpose of this paper is to explore in depth the meaning and use of dynamic damping testing of booms and its significance in engineering practice, in order to provide a more comprehensive understanding of this key technique.
Dynamic damping testing of booms plays an important role in several ways:
I. It is a key tool in structural safety assessment. Through this test, engineers are able to accurately understand the response of a structure when subjected to dynamic loads such as wind or traffic, and thus assess its safety.
II. The test is vital for predicting and improving the fatigue life of structures. Structures subjected to dynamic loading over a long period of time are prone to fatigue damage, and dynamic damping tests can help identify these potential fatigue problems, thereby guiding subsequent maintenance and strengthening work.
IV. Boom dynamic damping tests are also extremely important for the design of new structures. By analysing test data from existing structures, engineers are able to optimise the design of new structures to make them more robust and durable. This not only improves the safety and reliability of the structure, but also helps to extend its service life and reduce the economic losses caused by structural problems, while providing data support for the scientific management of the structure.
The significance of the dynamic damping test of boom lies in its overall improvement of the safety, stability and service life of the engineering structure.
I. Improvement of structural safety: through timely detection of problems and measures, structural damage and accidents can be effectively prevented.
II. Extend service life: reasonable maintenance and reinforcement can significantly extend the service life of bridges and buildings.
III. Reducing economic losses: large-scale repair works and interruption of use due to structural problems are avoided.
IV. Scientific management: provide data support for the scientific management of the structure, so that the maintenance and reinforcement work is more targeted and effective.
V. Technological innovation: With the continuous development of testing technology, the application of new testing methods and tools also promotes the progress of engineering technology.
In this opportunity, the boom dynamic damping test equipment came into being. The main function of this boom dynamic damping test equipment (SH9230) is the dynamic damping force of the suspension system.
2、Sensor: S-type load cell, range O-1KN, precision: 0.5N.
3、Structure: vertical total height of 1.85 m to facilitate the operation, the clamping part of the design in accordance with the suspension system (should not damage the suspension system), the chuck part of the position can be adjusted, the entire test device using aluminium profiles to set up the frame structure; (refer to the following structure schematic diagram)
4、Electrical cabinet: equipped with emergency stop, power switch with electric safety protection function.
5、Equipped with computer: with Lenovo brand 19-inch LCD computer and software systems.
6、Transmission mode: synchronous belt.
7、Travel adjustable: 0-500mm, the transmission mechanism uses servo motor driven ball screw up and down movement.
8、Software design: with power-down test data preservation, continue power to continue testing the protection function.
a. Servo regulation;
b. Can synchronously record and display the time - force, self-selected after the smooth data, and output data and calculation results;
c. The spring coefficient and working stroke in the software calculation formula are adjustable.
9、The software starts to run after 20 cycles automatically stop collecting data, take the number of frequency: more than 50 / sec.
In conclusion, boom dynamic damping test plays an important role in modern engineering structure design, maintenance and management. It not only helps to ensure the safety of people's lives and property, but also promotes the development and innovation of engineering technology. With the application of more high-tech test methods and tools, the future dynamic damping test will be more accurate and efficient.
