Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Steel shell immersed tube self-compacting concrete mix proportion design method and concrete
The invention discloses a steel shell immersed tube self-compacting concrete mix proportion design method and concrete. The mix proportion design method comprises the steps: preparing materials for the concrete; calculating a preliminary mix proportion by adopting a fixed sandstone volume content calculation method; according to an orthogonal test design method principle, performing influence factor analysis on the preliminary mix proportion to obtain a preferable mix proportion; performing test verification on the preferable mix proportion to obtain an optimal mix proportion; and carrying outa process test on the optimal mix proportion to determine that the optimal mix proportion meets the production requirements. The mix proportion design method disclosed by the invention is based on the combination of the fixed sandstone volume content calculation method and the factor design analysis method; according to the method, the optimal mix proportion meeting the requirement for pouring the high-self-compaction concrete into small compartments of a steel shell immersed tube is designed, the designed concrete can be compacted and formed only through the gravity effect of the concrete without additional mechanical vibration, segregation is avoided in the flowing filling process, and thus it is guaranteed that the concrete makes close contact with the steel shell, and cooperative stress is achieved.
本发明公开了一种钢壳沉管自密实混凝土配合比设计方法及混凝土，该配合比设计方法包括：配置混凝土所用材料；采用固定砂石体积含量计算法，计算出初步配合比；根据正交试验设计方法原理，对初步配合比进行影响因素分析，得出优选配合比；对优选配合比进行试验验证，得出最优配合比；对最优配合比进行工艺试验，确定最优配合比满足生产要求。本发明的配合比设计方法是基于固定砂石体积含量计算法与因素设计分析法相结合，设计出满足钢壳沉管小隔舱浇筑高自密实混凝土的最优配合比，所设计出的混凝土仅依靠自身重力作用而无需额外的机械振捣即可密实成型，并且在流动填充过程中不产生离析，从而保证了混凝土与钢壳之间紧密接触，协同受力。
Steel shell immersed tube self-compacting concrete mix proportion design method and concrete
The invention discloses a steel shell immersed tube self-compacting concrete mix proportion design method and concrete. The mix proportion design method comprises the steps: preparing materials for the concrete; calculating a preliminary mix proportion by adopting a fixed sandstone volume content calculation method; according to an orthogonal test design method principle, performing influence factor analysis on the preliminary mix proportion to obtain a preferable mix proportion; performing test verification on the preferable mix proportion to obtain an optimal mix proportion; and carrying outa process test on the optimal mix proportion to determine that the optimal mix proportion meets the production requirements. The mix proportion design method disclosed by the invention is based on the combination of the fixed sandstone volume content calculation method and the factor design analysis method; according to the method, the optimal mix proportion meeting the requirement for pouring the high-self-compaction concrete into small compartments of a steel shell immersed tube is designed, the designed concrete can be compacted and formed only through the gravity effect of the concrete without additional mechanical vibration, segregation is avoided in the flowing filling process, and thus it is guaranteed that the concrete makes close contact with the steel shell, and cooperative stress is achieved.
本发明公开了一种钢壳沉管自密实混凝土配合比设计方法及混凝土，该配合比设计方法包括：配置混凝土所用材料；采用固定砂石体积含量计算法，计算出初步配合比；根据正交试验设计方法原理，对初步配合比进行影响因素分析，得出优选配合比；对优选配合比进行试验验证，得出最优配合比；对最优配合比进行工艺试验，确定最优配合比满足生产要求。本发明的配合比设计方法是基于固定砂石体积含量计算法与因素设计分析法相结合，设计出满足钢壳沉管小隔舱浇筑高自密实混凝土的最优配合比，所设计出的混凝土仅依靠自身重力作用而无需额外的机械振捣即可密实成型，并且在流动填充过程中不产生离析，从而保证了混凝土与钢壳之间紧密接触，协同受力。
Steel shell immersed tube self-compacting concrete mix proportion design method and concrete
一种钢壳沉管自密实混凝土配合比设计方法及混凝土
HE TAO (Autor:in) / TAN LIXIN (Autor:in) / HE SHAODONG (Autor:in) / WANG ZHONGWEN (Autor:in) / RONG GUOCHENG (Autor:in) / ZHAO QICAI (Autor:in) / WU XUDONG (Autor:in) / LI PING (Autor:in) / SU ZONGXIAN (Autor:in)
24.04.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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