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Underground double-vault plate mass concrete pouring construction method
The invention discloses an underground double-arch-top-plate mass concrete pouring construction method. The method comprises the steps that S1, an arch top plate formwork supporting frame body is erected; s2, the double arch crown plates are partitioned, and the pouring sequence is determined; s3, determining a pouring sequence; and S4, the pouring sequence of the single-side arched top plate along the fracture surface is conducted. According to the method, initial stress of the concrete in each subarea can be fully released, cracks generated by temperature stress are reduced, the concrete pouring quality is further improved, and the construction period is shortened by considering flow construction, simultaneous pouring of the concrete of two arches and different positions.
一种地下双拱顶板大体积混凝土浇筑施工方法,其步骤为:S1.搭设拱形顶板模板支撑架体;S2.双拱顶板分区并确定浇筑顺序;S3.确定浇筑顺序;S4.单侧拱形顶板沿断面的浇筑顺序。本发明的方法能够使得每一分区的混凝土充分释放初期应力,减少温度应力产生的裂缝,进一步提高混凝土浇筑质量,同时考虑到流水施工,两拱的混凝土同时浇筑,但位置不同,加快工期。
Underground double-vault plate mass concrete pouring construction method
The invention discloses an underground double-arch-top-plate mass concrete pouring construction method. The method comprises the steps that S1, an arch top plate formwork supporting frame body is erected; s2, the double arch crown plates are partitioned, and the pouring sequence is determined; s3, determining a pouring sequence; and S4, the pouring sequence of the single-side arched top plate along the fracture surface is conducted. According to the method, initial stress of the concrete in each subarea can be fully released, cracks generated by temperature stress are reduced, the concrete pouring quality is further improved, and the construction period is shortened by considering flow construction, simultaneous pouring of the concrete of two arches and different positions.
一种地下双拱顶板大体积混凝土浇筑施工方法,其步骤为:S1.搭设拱形顶板模板支撑架体;S2.双拱顶板分区并确定浇筑顺序;S3.确定浇筑顺序;S4.单侧拱形顶板沿断面的浇筑顺序。本发明的方法能够使得每一分区的混凝土充分释放初期应力,减少温度应力产生的裂缝,进一步提高混凝土浇筑质量,同时考虑到流水施工,两拱的混凝土同时浇筑,但位置不同,加快工期。
Underground double-vault plate mass concrete pouring construction method
一种地下双拱顶板大体积混凝土浇筑施工方法
ZHANG QIAN (author) / LIU XIAOMIN (author) / XUE CHENG (author) / ZHOU JUNLONG (author)
2023-09-05
Patent
Electronic Resource
Chinese
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