#backfillUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademyNewcomers' CommunitySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSTEEM CN/中文AVLE 일상Steem POD TeamTron Fan ClubWORLD OF XPILARSteem AllianceBeauty of Creativity#backfillTrendingHotNewPayoutsMutedsinorock (30)in #backfill • 3 years agoHow Do Self-Drilling Hollow Rock Bolts Support Backfill Foundation Slopes?The common support methods for backfill foundation pit slopes include ordinary rock bolt support and casing drilling…