Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bottom grout-adding distorted concrete construction method
The invention belongs to the technical field of distorted concrete, in particular to a bottom grout-adding distorted concrete construction method. The construction method comprises the following stepsthat a construction technology of bottom grout-adding and concrete direct vibration and roller-compacting is adopted, in areas, with a high anti-seepage level, such as on the two sides of an upstreamtemplate, a downstream template or a gallery template, and a bank slope bedrock face, namely a grout spreading area, a bank is built manually by utilizing fresh roller-compacted concrete, and a square grid is formed every 1 meter in a length direction, so that the volume of grout is conveniently measured, the grout spreading amount is controlled according to the percentage of the volume of the roller-compacted concrete of the area grids. The water cement ratio of cement grout is controlled at 0.55-0.65. Subsequent concrete paving roller compacting, spreading, vibrating and finishing are conducted, wherein vibrating can be completed directly with a high frequency vibrating bar with a diameter of 100 mm. According to the construction method, the volume of the added grout is conveniently andaccurately metered, bottom grout adding is adopted for vibrating to facilitate interlayer bonding, vibrating leakage is avoided, the appearance quality of concrete is guaranteed, operation is convenient and simple, rapid construction is realized on the premise that safety and quality are guaranteed, a grout adding technology is optimized, the construction cost is reduced, the construction speed is accelerated, and the construction period is saved.
本发明属于变态混凝土技术领域，具体涉及一种底部加浆的变态混凝土施工方法，该施工方法采用底部加浆、直接振捣碾压混凝土的施工工艺，在上、下游模板或廊道模板两侧、岸坡基岩面等防渗级别高的区域内即铺洒浆液区域，利用新鲜的碾压混凝土采用人工筑梗，在沿着长度方向每1米形成方格，以便于计量浆液体积，浆液铺洒量按该区格碾压混凝土体积的百分比进行控制。水泥浆液水灰比控制在0.55‑0.65。随后铺筑碾压混凝土、平仓、振捣以及收面，振捣可直接利用直径100mm的高频振捣棒完成。该施工方法便于精确计量加入浆液的体积；采用底部加浆通过振捣更有利于层间结合；不会出现漏振，混凝土外观质量得到保证；操作方便、简单，在确保安全、质量的前提下实现快速施工；实现加浆工艺的优化，降低施工成本，加快施工速度，节约工期。
Bottom grout-adding distorted concrete construction method
The invention belongs to the technical field of distorted concrete, in particular to a bottom grout-adding distorted concrete construction method. The construction method comprises the following stepsthat a construction technology of bottom grout-adding and concrete direct vibration and roller-compacting is adopted, in areas, with a high anti-seepage level, such as on the two sides of an upstreamtemplate, a downstream template or a gallery template, and a bank slope bedrock face, namely a grout spreading area, a bank is built manually by utilizing fresh roller-compacted concrete, and a square grid is formed every 1 meter in a length direction, so that the volume of grout is conveniently measured, the grout spreading amount is controlled according to the percentage of the volume of the roller-compacted concrete of the area grids. The water cement ratio of cement grout is controlled at 0.55-0.65. Subsequent concrete paving roller compacting, spreading, vibrating and finishing are conducted, wherein vibrating can be completed directly with a high frequency vibrating bar with a diameter of 100 mm. According to the construction method, the volume of the added grout is conveniently andaccurately metered, bottom grout adding is adopted for vibrating to facilitate interlayer bonding, vibrating leakage is avoided, the appearance quality of concrete is guaranteed, operation is convenient and simple, rapid construction is realized on the premise that safety and quality are guaranteed, a grout adding technology is optimized, the construction cost is reduced, the construction speed is accelerated, and the construction period is saved.
本发明属于变态混凝土技术领域，具体涉及一种底部加浆的变态混凝土施工方法，该施工方法采用底部加浆、直接振捣碾压混凝土的施工工艺，在上、下游模板或廊道模板两侧、岸坡基岩面等防渗级别高的区域内即铺洒浆液区域，利用新鲜的碾压混凝土采用人工筑梗，在沿着长度方向每1米形成方格，以便于计量浆液体积，浆液铺洒量按该区格碾压混凝土体积的百分比进行控制。水泥浆液水灰比控制在0.55‑0.65。随后铺筑碾压混凝土、平仓、振捣以及收面，振捣可直接利用直径100mm的高频振捣棒完成。该施工方法便于精确计量加入浆液的体积；采用底部加浆通过振捣更有利于层间结合；不会出现漏振，混凝土外观质量得到保证；操作方便、简单，在确保安全、质量的前提下实现快速施工；实现加浆工艺的优化，降低施工成本，加快施工速度，节约工期。
Bottom grout-adding distorted concrete construction method
一种底部加浆的变态混凝土施工方法
ZHOU QINGGUO (Autor:in) / LIU YUANGUANG (Autor:in) / SHI YAN (Autor:in) / MU GUOFENG (Autor:in) / ZHANG JINGKUN (Autor:in)
14.08.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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