Medium weathered siltstone strength
31 Changshu plant equipment foundation, 160kpa, lead hole +450 manipulatorTyping is not easy, such as satisfaction, hope to adopt.
The fight must go with Zaifang rotarydiggingmachine open hole. The method must have been, but the cost is too high, not suitable for the use of Larsen steel sheet pile. Case 1: Shenyang Bo Bo bridge, sandy soil, 280kpa 120-150 hammer
