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A platform for research: civil engineering, architecture and urbanism
Construction method of bottom sealing concrete
The invention relates to the technical field of steel cofferdam construction, and provides a construction method of bottom sealing concrete, which comprises the following operation steps: S1, cleaning a base and measuring the arranging a diving worker to enter water after a cofferdam sinks to reach a designed elevation, cleaning the base section by section, checking the base section by section, and measuring the base after the base is cleaned; a technician uses a measuring rope to comprehensively measure the base according to the interval of 1 m, draws a base elevation curve graph, and performs base leveling according to a measurement result. In order to ensure reliable connection and sealing between the bottom sealing concrete and the cofferdam, prevent water leakage at the joint of the inner wall of the cofferdam and the concrete and form a flat surface, when concrete pouring is close to the end, the elevation of the concrete surface is comprehensively measured, the intersection of the acting radiuses of the guide pipes, the periphery of a pile casing, the periphery of the inner side of the steel cofferdam and other parts are emphatically detected; the pouring amount is increased near the measuring point with the low elevation according to the result, it is ensured that the top face of bottom sealing concrete is flat, it is ensured that the bottom sealing thickness meets the requirement, and the uniform pouring effect is improved.
本发明涉及钢围堰施工技术领域，提出一种封底混凝土的施工方法，包括以下操作步骤：S1、清理基底及基底测量：围堰内下沉着床到设计标高后，安排潜水工下水，对基底进行逐段清理、逐段检查，清基完毕后，由技术人员用测绳按1m间距进行对基底全面测量并绘制出基底高程曲线图，根据测量结果进行基底找平。本发明为保证封底混凝土与围堰间的可靠连接和封闭，防止围堰内壁与混凝土接缝处漏水，形成较平坦的表面，在混凝土浇注临近结束时，全面测出混凝土面标高，重点检测导管作用半径相交处、护筒周边，钢围堰内侧周边等部位，根据结果对标高偏低的测点附近增加浇注量，确保封底混凝土顶面平整，并保证封底厚度达要求，提高了均匀灌注的效果。
Construction method of bottom sealing concrete
The invention relates to the technical field of steel cofferdam construction, and provides a construction method of bottom sealing concrete, which comprises the following operation steps: S1, cleaning a base and measuring the arranging a diving worker to enter water after a cofferdam sinks to reach a designed elevation, cleaning the base section by section, checking the base section by section, and measuring the base after the base is cleaned; a technician uses a measuring rope to comprehensively measure the base according to the interval of 1 m, draws a base elevation curve graph, and performs base leveling according to a measurement result. In order to ensure reliable connection and sealing between the bottom sealing concrete and the cofferdam, prevent water leakage at the joint of the inner wall of the cofferdam and the concrete and form a flat surface, when concrete pouring is close to the end, the elevation of the concrete surface is comprehensively measured, the intersection of the acting radiuses of the guide pipes, the periphery of a pile casing, the periphery of the inner side of the steel cofferdam and other parts are emphatically detected; the pouring amount is increased near the measuring point with the low elevation according to the result, it is ensured that the top face of bottom sealing concrete is flat, it is ensured that the bottom sealing thickness meets the requirement, and the uniform pouring effect is improved.
本发明涉及钢围堰施工技术领域，提出一种封底混凝土的施工方法，包括以下操作步骤：S1、清理基底及基底测量：围堰内下沉着床到设计标高后，安排潜水工下水，对基底进行逐段清理、逐段检查，清基完毕后，由技术人员用测绳按1m间距进行对基底全面测量并绘制出基底高程曲线图，根据测量结果进行基底找平。本发明为保证封底混凝土与围堰间的可靠连接和封闭，防止围堰内壁与混凝土接缝处漏水，形成较平坦的表面，在混凝土浇注临近结束时，全面测出混凝土面标高，重点检测导管作用半径相交处、护筒周边，钢围堰内侧周边等部位，根据结果对标高偏低的测点附近增加浇注量，确保封底混凝土顶面平整，并保证封底厚度达要求，提高了均匀灌注的效果。
Construction method of bottom sealing concrete
一种封底混凝土的施工方法
DENG YU (author) / ZHOU HONGGUANG (author) / WEN CHAOWEI (author) / HUANG JI (author) / TONG KUN (author) / HUANG XIANQING (author) / CHEN JINHUA (author) / NAN BIN (author) / ZHANG HUTUAN (author)
2024-10-01
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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