div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Western Regional Trenchlesspdfis provided by ASTM 12412-02 Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading src=https:reader030vdocumentsnetreader030viewer20220404025e855a943d369572391827c1html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Western Regional Trenchlesspdfis provided by ASTM 12412-02 Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading src=https:reader030vdocumentsnetreader030viewer20220404025e855a943d369572391827c1html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Western Regional Trenchlesspdfis provided by ASTM 12412-02 Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading src=https:reader030vdocumentsnetreader030viewer20220404025e855a943d369572391827c1html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv