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Abstract Zengbei road consequent rock slope located in Shiquan brickworks of mined shanty-towns of Mentougou District，Beijing，is composed of strongly weathered sandstone and weathered sandstone. The slope occurred consequent bedding rock slope while the slope toe grading；and as a result，the rubble retaining wall of the road cracked. However，the rock mass of the slope toe must be cleaned up for more architectural space；so，the permanent slope was built as well. The rock slope was treated with lattice anchor retaining wall and cast-in-site column type retaining wall according to the characters of the slope by scheme comparison and top-down construction method. The step I was lattice anchor retaining wall；while the steps II and III were cast-in-site column type retaining walls. The bracing system is safe and beautiful，which achieves good socioeconomic benefits. It has reference value for the similar projects.
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Received: 03 June 2013
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2013, Vol. 32 
