#backfillUnmoderated tagAll postsTrending CommunitiesSteemitCryptoAcademyNewcomers' Communityআমার বাংলা ব্লগKorea • 한국 • KR • KOSTEEM CN/中文Comunidad LatinaSteem AllianceSteem POD TeamAVLE 일상Tron Fan ClubWORLD OF XPILARBeauty of CreativityExplore Communities...#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…