Abstract

In order to address the performance complexity of the various constituent materials of (dense-column) latticed concrete-gypsum composite panels and the difficulty in the determination of the various elastic constants, this paper presented a detailed structural analysis of the (dense-column) latticed concrete-gypsum composite panel and proposed a feasible technical solution to simplified calculation. In conformity with mechanical rules, a typical panel element was selected and divided into two homogenous composite sub-elements and a secondary homogenous element, respectively for solution, thus establishing an equivalence of the composite panel to a simple homogenous panel and obtaining the effective formulas for calculating the various elastic constants. Finally, the calculation results and the experimental results were compared, which revealed that the calculation method was correct and reliable and could meet the calculation needs of practical engineering and provide a theoretical basis for simplified calculation for studies on composite panel elements and structures as well as a reference for calculations of other panels.

Highlights

  • Gypsum is one of the three major cementing materials that are widely used in the fields of building materials, food, precision casting, models and molds, medicine, paper, and paint fillers

  • Gypsum is generally used for the cementing material, decorative gypsum boards, reliefs, roman columns, etc.; non-load-bearing partitions such as hollow gypsum boards and dense-column composite panels with low load-bearing capacity; and load-bearing, anti-seismic walls with high load-bearing capacity such as the latticed concrete-gypsum composite panel studied in this paper

  • The latticed concrete-gypsum composite panel is a composite of environmentally-friendly gypsum, fiberglass, concrete, and steel bars that has excellent seismic performance, is lighter than ordinary shear walls, and contains non-toxic, harmless, pollution-free gypsum that can adjust indoor humidity automatically with good thermal and sound insulation and fire resistance [3]

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Summary

Introduction

Gypsum is one of the three major cementing materials that are widely used in the fields of building materials, food, precision casting, models and molds, medicine, paper, and paint fillers. Gypsum is generally used for the cementing material, decorative gypsum boards, reliefs, roman columns, etc.; non-load-bearing partitions such as hollow gypsum boards and dense-column composite panels with low load-bearing capacity; and load-bearing, anti-seismic walls with high load-bearing capacity such as the (dense-column) latticed concrete-gypsum composite panel studied in this paper. The development and wide use of (dense-column) latticed concrete-gypsum composite panels have promoted the innovation in new wall materials and the development of green, energy-saving walls. This kind of composite panel makes full use of the advantages of its constitute materials. In order to find a feasible simplified calculation model for the (dense-column) latticed concrete-gypsum composite panel, a technical solution was established. The reliability of the simplified calculation model was validated by comparing the seismic experimental results and the calculation results of the composite panel

Technical Solution to Simplified Calculation
Secondary Homogenous Element
Sample Design and Loading System
Constitutive Relation of Materials
Findings
Elements and Solving
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