Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Highway bridge high pier slip form concrete and preparation method thereof
The invention relates to the technical field of bridge construction, in particular to highway bridge high pier slip form concrete and a preparation method thereof. The slip form concrete is prepared from the following components in parts by mass: 360 to 390 parts of cement, 40 to 60 parts of fly ash, 660 to 700 parts of natural sand, 1100 to 1200 parts of gravel, 155 to 170 parts of water, 4.6 to 5.5 parts of polycarboxylate superplasticizer, 0.2 to 4 parts of thixotropic agent and 0.08 to 2.1 parts of early strength agent. According to the slip-form concrete, the dosage of each component is limited within a reasonable range value, so that each component can achieve a better synergistic effect, and the overall performance of the slip-form concrete is better improved, so that the slip-form concrete which has proper fluidity, proper slump retentivity and good water resistance is obtained. The concrete suitable for the slip-form construction of the high pier of the expressway bridge has the advantages of high strength, high strength, good plasticity retaining property, high early strength and the like.
本发明涉及桥梁施工技术领域，尤其涉及一种高速公路桥梁高墩滑模混凝土及其制备方法。滑模混凝土包括如下质量份数的组分：水泥360～390份、粉煤灰40～60份、天然砂660～700份、碎石1100～1200份、水155～170份、聚羧酸减水剂4.6～5.5份、触变剂0.2～4份和早强剂0.08～2.1份。本发明通过将各组分的用量限定在合理的范围值内，使得各组分能达到更好的协同作用，更好地提高滑模混凝土的整体性能，从而得到具有适宜的流动度、适当的坍落度保持性，又具有较好的保塑性以及较高的早期强度等多重作用的适用于高速公路桥梁高墩滑模施工的混凝土。
Highway bridge high pier slip form concrete and preparation method thereof
The invention relates to the technical field of bridge construction, in particular to highway bridge high pier slip form concrete and a preparation method thereof. The slip form concrete is prepared from the following components in parts by mass: 360 to 390 parts of cement, 40 to 60 parts of fly ash, 660 to 700 parts of natural sand, 1100 to 1200 parts of gravel, 155 to 170 parts of water, 4.6 to 5.5 parts of polycarboxylate superplasticizer, 0.2 to 4 parts of thixotropic agent and 0.08 to 2.1 parts of early strength agent. According to the slip-form concrete, the dosage of each component is limited within a reasonable range value, so that each component can achieve a better synergistic effect, and the overall performance of the slip-form concrete is better improved, so that the slip-form concrete which has proper fluidity, proper slump retentivity and good water resistance is obtained. The concrete suitable for the slip-form construction of the high pier of the expressway bridge has the advantages of high strength, high strength, good plasticity retaining property, high early strength and the like.
本发明涉及桥梁施工技术领域，尤其涉及一种高速公路桥梁高墩滑模混凝土及其制备方法。滑模混凝土包括如下质量份数的组分：水泥360～390份、粉煤灰40～60份、天然砂660～700份、碎石1100～1200份、水155～170份、聚羧酸减水剂4.6～5.5份、触变剂0.2～4份和早强剂0.08～2.1份。本发明通过将各组分的用量限定在合理的范围值内，使得各组分能达到更好的协同作用，更好地提高滑模混凝土的整体性能，从而得到具有适宜的流动度、适当的坍落度保持性，又具有较好的保塑性以及较高的早期强度等多重作用的适用于高速公路桥梁高墩滑模施工的混凝土。
Highway bridge high pier slip form concrete and preparation method thereof
一种高速公路桥梁高墩滑模混凝土及其制备方法
ZHAO YUXIANG (Autor:in) / KANG WANG (Autor:in) / LI YANG (Autor:in) / HUANG TIANYONG (Autor:in) / ZHAO WENJING (Autor:in) / LI SHA (Autor:in) / HOU WEIFANG (Autor:in) / GAO YINGZHOU (Autor:in)
21.06.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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