Study On The Method Of Slope Supported Considering The Interaction Of Anchor Lattice Beam

Landslide is a common geological disasters,and serious threat to human life, economy of country,then the resulting slope supporting technology. With the development of the technology, construction equipment etc, slope supporting technology has been constantly improved and innovation, various types of slope to flourish. Which slope supported by anchors lattice beam because the mountain in favor of green cover, beautify and protect the environment has been widely used. However, the current supporting design of anchor lattice beam always to simplify the interaction of anchor and lattice beam, load distribution coefficient is used to Winkler elastic foundation model based on infinite beam to derived a calculate formula, and derivation of safety factor is not consider affect of lattice beam load. These methods are not properly considering the beneficial role of lattice beam for slope, resulting in a waste design.This article continues the in-depth study on the basis of existing academic research on anchor lattice beam. In the past, interaction of anchor lattice beams for research is not enough, this article aims to study the design of slope supported for considering interaction of anchor lattice beam. The main conclusions are as follows:(1) Used the Winkler elastic foundation model and two-parameter elastic foundation model to deduce the load distribution coefficient Tk and Lk of node of anchor lattice beam base on the finite-length beam;(2) Comparison of the analytical solution based on Winkler elastic foundation model and the two-parameter elastic foundation model, compared the internal forces, displacements of the ABAQUS software simulation. Better precision based on two-parameter elastic foundation model to consider load distribution coefficient. And conduct lattice beam reinforcement, horizontal beam can save 12% to 17% steel consumption, and vertical beam can save 15%~21% steel consumption, optimize the lattice beam design;(3) On the basis of the existing safety factor formula for anchor lattice beam of slope supported to improved formulas. Consider the interaction of anchor lattice beam generated additional stress of the slope, making it closer to the actual force of the slope;(4) The design schemes of slope supporting for Cishan road Zhenjiang city practical engineering, used geotechnical of Lizheng 6.0 to computing design, get anchor parameters and internal forces and reinforcement of lattice beam, and then calculate internal forces of lattice beam use the proposed method. Finite element analysis based on ABAQUS software of practical engineering, further illustrates the proposed method are better than Lizheng is.