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【Haichuan Chemical Construction Technology】Construction technique for subgrade replacement. The subgrade replacement method involves removing the weak soil layers within a certain range beneath the foundation using manual or mechanical means, replacing them with materials that have higher strength, stable properties, and are non-eroding, and then compacting or tamping these materials to the desired density. Suitable for the treatment of shallow weak foundations and uneven foundations.
Understand construction techniques to build chemical engineering projects well. 【HaiChuan Chemical Construction Techniques】 – continuously updated summary posts: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719396 --------------------------------------------------------------------------------
【HaiChuan Safety Discussion】Hidden Dangers Around Us – Happy Holidays! Photos That Will Drive a Chemical Plant’s Safety Manager Crazy! ! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719427 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Comprehensive! [Flowcharts of 87 waste gas treatment processes] 36-40 https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719413 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【HaiChuan Safety Discussion】Compilation of Hidden Dangers Around Us – Illustrated with photos and texts; everyone is welcome to join the discussion: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705518 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【HaiChuan Safety Discussion】Hidden Dangers Around Us – Making Another Mistake to Correct One https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719447 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Haichuan Illustrated Chemical Equipment】 Series Posts -- Multi-stage Centrifugal Pumps https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719460 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Haichuan Illustrated Chemical Equipment】 Series Posts -- Multi-stage Centrifugal Pumps https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719460 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】10 Key Requirements for Pump Pipelines, 4 Types of Auxiliary Pipelines, and 3 Typical Layouts https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719484 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Processing Equipment】By 3106-2026, the flange thickness will reach 165 millimeters! Magang Co., Ltd. successfully developed the thickest and heaviest hot-rolled H-beams in the world https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719152 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【History of Haichuan Chemical】The Pioneer of Barium Salt Industry in New China – Old Photos of Xinji Chemical Plant https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719561 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))