div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader039fdocumentsinreader039viewer20220304185aa546477f8b9a1d728ce71ehtml5page1jpg target=_blank img data-url=documentwith-different-tunnelingtunnelling-by-tbm-is-used-for-the-excavation-of-undergroundhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: with Different Tunneling · Tunnelling by TBM is used for the excavation of underground openings of normally circular shape under many types of geological condition loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsinreader039viewer20220304185aa546477f8b9a1d728ce71ehtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader039fdocumentsinreader039viewer20220304185aa546477f8b9a1d728ce71ehtml5page2jpg target=_blank img data-url=documentwith-different-tunnelingtunnelling-by-tbm-is-used-for-the-excavation-of-undergroundhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: with Different Tunneling · Tunnelling by TBM is used for the excavation of underground openings of normally circular shape under many types of geological condition loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsinreader039viewer20220304185aa546477f8b9a1d728ce71ehtml5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader039fdocumentsinreader039viewer20220304185aa546477f8b9a1d728ce71ehtml5page3jpg target=_blank img data-url=documentwith-different-tunnelingtunnelling-by-tbm-is-used-for-the-excavation-of-undergroundhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: with Different Tunneling · Tunnelling by TBM is...