buckling technique and experiment on the concrete pump

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(PDF) Buckling Technique and Experiment on the

Buckling technique and experiment on the concrete pump truck boom Hong-Feng Ma1,2, Yong-Neng Lu1,2 and Xiao-Qiang Guo1 ... Concrete pump

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Buckling technique and experiment on the concrete pump ...

Jul 01, 2018  Buckling analysis is very important to the structure of long boom, especially for heavy bearing load. In this paper, buckling and fracture process of concrete pump truck boom is studied based on plate-beam buckling theory. The experiment bench of concrete pump truck boom is designed, and the fracture experiment of concrete pump truck boom is carried out.

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Buckling technique and experiment on the concrete pump ...

In this paper, buckling and fracture process of concrete pump truck boom is studied based on plate-beam buckling theory. The experiment bench of

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Buckling failure analysis of truck mounted concrete

Sep 01, 2017  With the acceleration of urban construction and the increasing investment in the infrastructure construction, the truck mounted concrete pump has become an indispensable construction equipment and is widely used in the construction industry due to mobility, flexibility and high casting speed .As one of the most important support components, the outrigger's

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IOP Conference Series: Materials Science and Engineering ...

Jul 08, 2019  Buckling technique and experiment on the concrete pump truck boom Hong-Feng Ma, Yong-Neng Lu and Xiao-Qiang Guo-Effect of welding sequence on welding deformation in seal cylinder W Zhang, T Jiang and L Q Liu-The influence of process support on welding deformation of large-scale structure Y B Fang, Y Wang and Q Y Meng-

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Use of a stiffness reduction factor τ N to transform ...

In this paper, buckling and fracture process of concrete pump truck boom is studied based on plate-beam buckling theory. The experiment bench of

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Fast Tool for Buckling Analysis and Optimization of ...

May 22, 2012  Buckling technique and experiment on the concrete pump truck boom 12 July 2018 IOP Conference Series: Materials Science and Engineering, Vol. 382 Optimal design of a functionally graded corrugated cylindrical shell subjected to axisymmetric loading

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Buckling failure analysis of truck mounted concrete pump's ...

Sep 01, 2017  With the acceleration of urban construction and the increasing investment in the infrastructure construction, the truck mounted concrete pump has become an indispensable construction equipment and is widely used in the construction industry due to mobility, flexibility and high casting speed .As one of the most important support components, the outrigger's

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Plate buckling analysis using a fully compatible finite ...

May 17, 2012  Buckling technique and experiment on the concrete pump truck boom 12 July 2018 IOP Conference Series: Materials Science and Engineering, Vol. 382 Buckling Analysis of Variable Thickness Radially Functionally Graded Annular Sector Plates Resting on Two-Parameter Elastic Foundations by the GDQ Method

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Configuration of a cylindrical shell surrounded by an ...

In this paper, buckling and fracture process of concrete pump truck boom is studied based on plate-beam buckling theory. The experiment bench of

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Proposed values for η and ρ parameters for stiffness ...

In this paper, buckling and fracture process of concrete pump truck boom is studied based on plate-beam buckling theory. The experiment bench of

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Comparison between the normalised moment-deformation paths ...

In this paper, buckling and fracture process of concrete pump truck boom is studied based on plate-beam buckling theory. The experiment bench of

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Experiment Based Structural Mechanics - Civil Engineering ...

Dec 29, 2020  3.6 Principle of a Reinforced Concrete Beam 3.6.1 Purpose of Test 3.6.2 Materials and Tools 3.6.3 Test Method 3.6.4 Test Results and Applied Computation 3.6.5 Test Case 3.6.6 Tasks 3.6.7 Principle of an RC Beam References of Experiment Based Structural Mechanics 4 Compressive Member 4.1 Buckling Test of a Spaghetti Noodle 4.1.1 Purpose

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Abaqus Buckling Analysis Riks Example

settlements, buckling analysis, stress concentrations, concrete columns, steel connections, pre-stressed concrete beams, steel plate shear walls, and, Fiber Reinforce Polymer (FRP) modeling. There also exist two chapters that depict geotechnical problems including a concrete retaining wall as well as the modeling and analysis of a masonry wall.

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Table of contents - Institute of Physics

In this paper, buckling and fracture process of concrete pump truck boom is studied based on plate-beam buckling theory. The experiment bench of concrete pump truck boom is designed, and the fracture experiment of concrete pump truck boom is carried out. According to the trace of structural strain, instability and fracture critical load of ...

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DESIGN RECOMMENDATION FOR STORAGE TANKS AND

For the EFB, which is the typical buckling mode of a cylindrical shell storage tank for petroleum, liquefied hydrocarbon gases, etc., it became possible to ascertain the buckling strength by experiments on a cylindrical shell by applying an internal hydrodynamic pressure, an axial compressive force, and a shear force simultaneously.

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Applied Sciences Free Full-Text An Innovative Steel ...

Dec 03, 2021  An innovative passive energy damper is introduced and studied experimentally and numerically. This damper is designed as the main plate for energy absorption which is surrounded by an octagon cover. In addition to simplicity in construction, it can be easily replaced after a severe earthquake. Experimental test results, as well as finite element results, indicated

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Dynamic Micro-CT: Nondestructive imaging in the fourth ...

Nov 25, 2021  Dynamic micro-CT in the lab is a new frontier in time-resolved, non-destructive imaging. The ability to image very fast, uninterrupted processes on a laboratory micro-CT system opens new evaluation methods for advanced materials and enables engineers to validate or correct material behavior through in situ experiments.

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Structural failure during extrusion-based 3D printing ...

Jun 06, 2019  This contribution studies failure by elastic buckling and plastic collapse of wall structures during extrusion-based 3D printing processes. Results obtained from the parametric 3D printing model recently developed by Suiker (Int J Mech Sci, 137: 145–170, 2018), among which closed-form expressions useful for engineering practice, are validated against

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Examination of Air Entrainment Stability Factors of Pumped ...

Research Study Title: Variations of Entrained Air Content of Pumped Concrete 16. Abstract Pumping of concrete can be an economical and versatile method of placement. However, the mix design process of a pumpable concrete should account for

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Buckling failure analysis of swing outrigger used in pump ...

Nov 01, 2019  The failure reason of swing outrigger used in truck mounted concrete pump was studied. • Eigenvalue buckling analysis was used to obtain theoretical buckling load and buckling mode. • Nonlinear FEA was used to obtain theoretical failure load and failure mode. • Buckling experiments of two original swing outriggers and one improved swing ...

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Elastic buckling and plastic collapse during 3D concrete ...

Abstract This contribution studies failure by elastic buckling and plastic collapse during 3D concrete printing of wall structures. Four types of experiments were performed, which demonstrate the circumstances under which elastic buckling and plastic collapse occur, the effect of geometrical imperfections on the buckling response, the influence by the curing rate

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Elastic buckling and plastic collapse during 3D concrete ...

Sep 01, 2020  This contribution studies failure by elastic buckling and plastic collapse during 3D concrete printing of wall structures. Four types of experiments were performed, which demonstrate the circumstances under which elastic buckling and plastic collapse occur, the effect of geometrical imperfections on the buckling response, the influence by the curing rate

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Buckling, Post-Buckling Imperfections modelled with ...

Sep 12, 2017  Buckling, Post-Buckling Imperfections modelled with Abaqus FEA. In this blog, we will describe the possibilities for Buckling and the methodology to take into account imperfections. Buckling refers to the sudden collapse of a structural member , subjected to high axial compressive loading. This collapse takes the form of a sudden lateral ...

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Abaqus Buckling Analysis Riks Example

settlements, buckling analysis, stress concentrations, concrete columns, steel connections, pre-stressed concrete beams, steel plate shear walls, and, Fiber Reinforce Polymer (FRP) modeling. There also exist two chapters that depict geotechnical problems including a concrete retaining wall as well as the modeling and analysis of a masonry wall.

Get price

Report No. K-TRAN: KSU-14-2 Best Practices for Concrete ...

Pumping is one of the major placement techniques used in the concrete industry to deliver concrete from the mixing truck to the formwork. Although concrete pumping has been used to place concrete since ... Table B.1: Fresh Concrete Properties – Pumping Experiment ..... 100 Table B.2: Rheological and Tribological Properties – Pumping ...

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Rheological and pumping behaviour of 3D ... - ScienceDirect

Jan 01, 2021  Such dynamic yield stress based experiments have been reported in many previous literatures for assessing the pumping behaviour of concrete [19,20,44]. The physical reason for the variation in rheological parameters with increasing aggregate content could be due to the decrease in paste content covering the aggregate surfaces and thus the ...

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Unbonded CFRP strengthening method for buckling control of ...

Apr 30, 2020  This paper proposed a concept of unbonded CFRP strengthening method for buckling control of axial compression steel members. Totally eight steel bar specimens, with slenderness ratio of 70 and 95, were tested for initial investigation purpose. The requirements for CFRP were derived from analytical study. A technique of Vacuum-assisted Resin ...

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Structural Optimization for the Gusset Plate in the Boom ...

Jul 15, 2018  Abstract. The unique design method for the gusset plate inserted in the boom structure of concrete pump truck was established. The suggested design method was based on the orthogonal array technique and the design from this method was supported by a coordinated modeling effort.

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Examination of Air Entrainment Stability Factors of Pumped ...

Research Study Title: Variations of Entrained Air Content of Pumped Concrete 16. Abstract Pumping of concrete can be an economical and versatile method of placement. However, the mix design process of a pumpable concrete should account for

Get price

Structural failure during extrusion-based 3D printing ...

Jun 06, 2019  This contribution studies failure by elastic buckling and plastic collapse of wall structures during extrusion-based 3D printing processes. Results obtained from the parametric 3D printing model recently developed by Suiker (Int J Mech Sci, 137: 145–170, 2018), among which closed-form expressions useful for engineering practice, are validated against

Get price

Cyclic Loading Test of Structural Walls with Small ...

Jul 22, 2019  In Specimens B and C with relatively small openings, flexural and diagonal cracks increased at displacement ratios of 0.81% and 0.72%, respectively in the web and the lower part of the wall, and the experiment was completed with crushing of the compressive concrete and buckling of the outermost reinforcing bars at displacement ratios of 1.45% ...

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Dynamic Micro-CT: Nondestructive imaging in the fourth ...

Nov 25, 2021  Dynamic micro-CT in the lab is a new frontier in time-resolved, non-destructive imaging. The ability to image very fast, uninterrupted processes on a laboratory micro-CT system opens new evaluation methods for advanced materials and enables engineers to validate or correct material behavior through in situ experiments.

Get price

The simulation model of sucker rod string ... - JVE Journals

Considering the limitations of the static buckling theory on the eccentric wear of sucker rod and tubing, a new dynamic analysis method for the transverse vibration of sucker rod in the tubing is proposed. Taking the axial distribution load at the rod body and the dynamic load at the bottom into account, the dynamic model of transverse vibration is established based on the space

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