Abstract

An anchor bearing plate transfers the anchoring force from anchor plate to the concrete and the pre-stress is formed in the concrete structure. Currently, the main type of anchor bearing plate is cast iron. It is brittle during transportation and tension process. This paper presents a new type of anchor bearing plate combined stamping with welding forming. The structure of the new type anchor bearing plate is introduced. The stress states of the anchor bearing plate and anchorage zone under work are studied. Various specifications of anchor bearing plate are studied by ANSYS finite element analysis software following the AASHTO specification. The analysis results are compared with the results of the same type of OVM round-shaped anchor plate. The study results show that the new pre-stressed anchor plates combined stamping with welding forming are feasible and more sturdy which can meet the engineering demand.

Highlights

  • The prestressing technology in our country has mushroomed in the past 20 years

  • Analyses were conducted on the YM15-7D (HJ) and the M15E-7D (TB) model according to the ANSYS finite element software

  • 1) This paper designed the quality for new type anchor bearing plate about 3 kg and cast iron anchor bearing plate 4.74 kg

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Summary

Introduction

The prestressing technology in our country has mushroomed in the past 20 years. Prestressed concrete structure due to its reasonable force, handsome ap-. The post-tensioned prestressed concrete structure is hold the prestressing tendons, which is transmitted the pre-stressed passed though the anchor plate and anchor plate, transmitted to concrete formed the prestressing force. We can find that the stress in the concrete area of the lower end of the anchor bearing plate is extremely complicated in the analysis of the anchor bearing plate. The compressive strength of concrete is increased, which is owe to the compressive deformation of the prestressing force the anchor bearing plate transmit and the lateral expansion of the concrete

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