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    Volume 45, Issue 1 (January 2017)

    Special Issue Paper

    Mechanical Testing and Application of Steel-plastic Geogrid Instead of Metal Mesh in Supporting Engineering

    (Received 10 March 2016; accepted 6 September 2016)

    Published Online: 2017

    CODEN: JTEVAB

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    Abstract

    The theory of the steel-plastic geogrid employed in supporting engineering is behind the practice, seriously affecting its popularization and application in engineering. Thus the tensile strength and deflection of steel-plastic geogrid and its control of surrounding rock deformations were studied and analyzed using laboratory and engineering field tests. We have contrasted the tensile strength of steel-plastic geogrid to that of metal mesh. We have also contrasted the deflection deformation of the steel-plastic geogrid concrete slabs to that of the mesh concrete slabs. In the tensile strength test, we have tested the tensile properties of three different types of steel-plastic geogrid. In the defection deformation test, two kinds of steel-plastic geogrid concrete slabs and the mesh concrete slabs are made to investigate the load and displacement they bear. By combining with the experimental application of the Wohu Mountain iron mine, we summarized the process of steel-plastic geogrid construction and monitored the surrounding rock deformation of test section. Thus, we drew the following conclusions: (1) the tensile strength of the steel-plastic geogrid was greater than metal mesh; (2) compared with metal mesh concrete slabs, steel plastic grille with concrete slab had a larger deflection and its stress tolerance ability was better; (3) the use of the steel-plastic geogrid supporting in roadway can control the deformation of its bottom and sidewalls.


    Author Information:

    Wang, Q.-B.
    Dept. of Resource and Civil Engineering, Shandong Univ. of Science and Technology, Tai'an, Shandong

    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Xu, L.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Zhang, J.-X.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Lv, R.-S.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Wang, T.-T.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Hu, Z.-J.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Bai, Y.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Kong, Y.-C.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Xie, F.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong

    Tang, L.-Y.
    College of Civil Engineering and Architecture, Shandong Univ. of Science and Technology, Qingdao, Shandong


    Stock #: JTE20160110

    ISSN:0090-3973

    DOI: 10.1520/JTE20160110

    Author
    Title Mechanical Testing and Application of Steel-plastic Geogrid Instead of Metal Mesh in Supporting Engineering
    Symposium ,
    Committee D04