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Fatigue life prediction for boom structure of concrete pump truck Wu

Study of Concrete Pump Truck Structural Health Monitoring

Concrete pump truck is a kind of mobile construction machinery, with the characteristic of complex structure, poor working condition and difficult to maintenance. Therefore, adopting appropriate health monitoring methods, and accurate grasping the running status information of the pump truck is significant to the pump truck's safety use and pre-judgment maintenance plan arrangement.

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Vibration Control of the Boom System of Truck-Mounted

The boom system of truck-mounted concrete pump is a typical flexible multibody dynamics system, so that serious vibration of the boom system is inevitably caused by pumping concrete and large motion. Because of the vibration, the end of the boom system cannot reach the desired position, the waste of material increases greatly, and accidents

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Modern Physics Letters B | Vol 33, No 14n15

This research presents structural design and analysis results of applying a composite boom structure on a Concrete Pump Truck (CPT). Carbon Fiber Reinforced Plastic (CFRP) is used to complete the structural design of the end boom to reduce the weight of the CPT. The fatigue life of SNCM 420H at 8 0 0 (BDPLA) executes machine-learning

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Analysis methods of the dynamic structural stress in a

Oct 18, 2018 · Wu et al. 14 used the shell element and the beam element to perform finite element analysis, obtained the stress–time history of boom girders of a concrete pump truck, and compared it with the stress–time history obtained from the lab test to verify the accuracy of results.

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10.1016/j.engfailanal.2015.11.040 | 10.1016/j - DeepDyve

Jun 11, 2020 · Read "10.1016/j.engfailanal.2015.11.040" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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An algorithm of eliminating spike of the measured

Sep 01, 2020 · Wu Y X, Hu F and Hua G J 2011 Method of Removing Singular Values in Calculation of Fatigue Damage for Truck Mounted Concrete Pump Journal of Zhengzhou University (Engineering Science) 32 92-95 +100. Google Scholar

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Fatigue life prediction of heavy mining equipment. Part 1

Frequent fatigue failure of heavy mining equipment has created the need for fatigue life prediction of its cracked components. As the first step, field monitoring of a cable shovel boom that had a

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Artificial Intelligence in Civil Engineering

Artificial intelligence is a branch of computer science, involved in the research, design, and application of intelligent computer. Traditional methods for modeling and optimizing complex structure systems require huge amounts of computing resources, and artificial-intelligence-based solutions can often provide valuable alternatives for efficiently solving problems in the civil engineering.

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A Large-Scale Multibody Manipulator Soft Sensor Model and

The method is based on geometrical and dynamic knowledge by estimating the boom failure through a self-learning program. And the stress signals are got by pasting sensors onto the structure [1, 2]. Cazzulani et al. selected a 4-section boom mobile concrete pump truck and analyzed the load characteristics of them.

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- wust.edu.cn

Wu Y, Li W, Liu Y. Fatigue life prediction for boom structure of concrete pump truck[J]. Engineering Failure Analysis, 2016,60:176-187. Wu Y, Li W, Yang P. A study of fatigue remaining useful life assessment for construction machinery part in remanufacturing[J]. Procedia Cirp, 2015,29:758-763.

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Fatigue life prediction of welded box girder structures

Oct 27, 2017 · In this study, the critical damage value is set to 0.75, the fatigue life of the longitudinal fillet weld detail was calculated as follows. L = D crit D = 0. 75 1. 30 × 10 − 4 = 5743 ( h) (7) The designed service life of the concrete pump truck is 6000 h, which is provided by the manufacturer.

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China Boom Concrete Pump/ Spider Concrete Placing Boom

China Boom Concrete Pump/ Spider Concrete Placing Boom Pump Truck for Construction, Find details about China 29m Concrete Pump, Stir Arm Rack Pump from Boom Concrete Pump/ Spider Concrete Placing Boom Pump Truck for Construction - Changsha Chuangxiang Machinery Trading Co., Ltd.

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Fatigue life prediction of a heavy vehicle steel wheel

Abstract The origin of fatigue failure that occurs on the air ventilation holes of a newly designed heavy commercial vehicle steel wheel in dynamic radial fatigue tests is studied. In these tests, all of the test samples failed in the same regions. The cause of this damage was studied via finite element analysis. In order to determine the reason of the fatigue failure, stress analysis was

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Dynamic Simulation of Concrete Pump Truck's Boom System

The concrete pump truck's boom system of 5 booms is taken as the research object in this paper. Combined with finite element theory and multi-body dynamics theory, a rigid-flexible coupling model

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(PDF) A Study of Fatigue Remaining Useful Life Assessment

For a further step, the method is applied to concrete pump truck boom structure to investigate fatigue crack growth remaining lives and paths. Simulated crack growth lives. No caption available

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RT AME - High Strength Sodium Hypochlorite (Liquid) Plant

RT HYPOFORTE an electrochemical system with specific design for continuous production of sodium hypochlorite (liquid chlorine) on-site, economical and harmless alternative to disinfection with chlorine gas, chlorine bleaching, or other compounds of chlorine. RT HYPO FORTE, the safe, pollutant-free and multi configurable system produces bleach

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Batch Plant Process Engineering - ChemEnggHelp

Aug 24, 2020 · Batch plant has multiple process stages based on the product manufacturing requirements. Most commonly found stages in a batch plants are reaction, neutralization, filtration, solvent extraction, solvent recovery, batch distillation, crystallization, drying, packaging etc. In this article we will discuss the process engineering steps of a batch

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All-crack remanufacturability evaluation for blade with

Aug 24, 2021 · The feasibility of this method is illustrated by concrete pump truck boom structure, which may be realized in future remanufacturing domain hopefully. Yu [ 3 ] found that crack arrest only affects the crack tip and the uninjured part can remain unchanged, which is …

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1. Introduction - Hindawi

The truck-mounted concrete pump is a kind of special machinery for conveying and pouring concrete, and it becomes essential in various construction sites. The boom system of truck-mounted concrete pump is a typical flexible multibody dynamics system, so that serious vibration of the boom system is inevitably caused by pumping concrete and large

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Materials Research Innovations: Vol 19, No sup5

Design and analysis of concrete pump truck with carbon fibre composite placing boom Y. Hu, S. Xu, J. Zhang, G. Ding, Z. Zhou & Y. Fang Pages: S5-787-S5-793

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