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北京地铁王府井车站建设工地位于东长安街路北，因施工工艺要求需将一排施工临时支护立柱及顶梁等结构拆除。该结构位于东长安街地下６～１５ｍ处，系密集钢筋混凝土结构，混凝土强度等级Ｃ３０。随着永久支护拱顶和支柱的完成，需要在５０ｄ内将临时支柱和顶梁部分拆除。...
Beijing Wangfujing station construction site is located in the north of Chang’an Avenue East. Due to the construction process requirements, a row of construction temporary support pillars and roof beams and other structures need to be dismantled. The structure is located 6-15m underground in the east of Chang’an Avenue. It is a dense reinforced concrete structure with a concrete strength class C30. With the completion of the permanent support vaults and pillars, the temporary pillars and roof beams need to be removed within 50 days. ...