Abstract
Iron tower foundations of transmission line located above goaf of coal mine generally use integral flexible concrete foundation or raft foundation to reduce uneven foundation settlement.When the tower is located at steep slope or restricted area, the above two basic foundation types require wide range of lower base surface, which causes widespread environmental damage.Consideratiing engineering practice, a new foundation type is proposed supplemented by theoretical analysis and economic analysis in this paper, which provides a new choice for foundation design in mountains areas above goaf of coal mine.
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