Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Earth and rockfill dam grouting lifting deformation control method based on intelligent grouting control system
The invention discloses an earth and rockfill dam grouting lifting deformation control method based on an intelligent grouting control system. The method comprises the following steps: connecting a lifting deformation observation device to an intelligent grouting control system; water pressing is conducted before grouting, different step-by-step pressure increasing strategies are adopted for the shallow rock mass part protruding in the lifting deformation mode and the deep rock mass part not protruding in the lifting deformation mode, and initial grouting pressure is obtained; when the real-time grouting pressure is smaller than the initial grouting pressure, boosting grouting is conducted according to the matching relation between the grouting pressure and the injection rate; when the real-time grouting pressure is greater than the initial grouting pressure, performing pressure boosting grouting according to a solid step pressure boosting strategy until the grouting pressure is gradually increased to the designed grouting pressure; and if the rock mass is subjected to lifting deformation in the pressure stabilizing process, the pressure is increased and controlled to reach the designed grouting pressure according to the steps of pressure reducing and lifting limiting, pressure stabilizing and flow limiting and solid step pressure increasing. On the premise that grouting lifting is effectively controlled, pressure can still be normally increased to the designed pressure for grouting.
本发明公开了一种基于智能灌浆控制系统的土石坝灌浆抬动变形的控制方法。它包括将抬动变形观测装置接入智能灌浆控制系统；进行灌前压水，对抬动变形突出的浅层岩体部位和抬动变形不突出的深部岩体部位采取不同的逐级升压策略，获得初始灌浆压力；当实时灌浆压力小于初始灌浆压力时，按照灌浆压力与注入率匹配关系进行升压灌浆；当实时灌浆压力大于初始灌浆压力后，按照固步升压的策略进行升压灌浆，直至灌浆压力逐步提升至设计灌浆压力；若稳压过程中岩体发生抬动变形，则按照降压限抬—稳压限流—固步升压的步骤进行升压控制至设计灌浆压力。本发明能够在有效控制灌浆抬动的前提下，仍正常升压至设计压力灌注。
Earth and rockfill dam grouting lifting deformation control method based on intelligent grouting control system
The invention discloses an earth and rockfill dam grouting lifting deformation control method based on an intelligent grouting control system. The method comprises the following steps: connecting a lifting deformation observation device to an intelligent grouting control system; water pressing is conducted before grouting, different step-by-step pressure increasing strategies are adopted for the shallow rock mass part protruding in the lifting deformation mode and the deep rock mass part not protruding in the lifting deformation mode, and initial grouting pressure is obtained; when the real-time grouting pressure is smaller than the initial grouting pressure, boosting grouting is conducted according to the matching relation between the grouting pressure and the injection rate; when the real-time grouting pressure is greater than the initial grouting pressure, performing pressure boosting grouting according to a solid step pressure boosting strategy until the grouting pressure is gradually increased to the designed grouting pressure; and if the rock mass is subjected to lifting deformation in the pressure stabilizing process, the pressure is increased and controlled to reach the designed grouting pressure according to the steps of pressure reducing and lifting limiting, pressure stabilizing and flow limiting and solid step pressure increasing. On the premise that grouting lifting is effectively controlled, pressure can still be normally increased to the designed pressure for grouting.
本发明公开了一种基于智能灌浆控制系统的土石坝灌浆抬动变形的控制方法。它包括将抬动变形观测装置接入智能灌浆控制系统；进行灌前压水，对抬动变形突出的浅层岩体部位和抬动变形不突出的深部岩体部位采取不同的逐级升压策略，获得初始灌浆压力；当实时灌浆压力小于初始灌浆压力时，按照灌浆压力与注入率匹配关系进行升压灌浆；当实时灌浆压力大于初始灌浆压力后，按照固步升压的策略进行升压灌浆，直至灌浆压力逐步提升至设计灌浆压力；若稳压过程中岩体发生抬动变形，则按照降压限抬—稳压限流—固步升压的步骤进行升压控制至设计灌浆压力。本发明能够在有效控制灌浆抬动的前提下，仍正常升压至设计压力灌注。
Earth and rockfill dam grouting lifting deformation control method based on intelligent grouting control system
基于智能灌浆控制系统的土石坝灌浆抬动变形的控制方法
SHI HUATANG (Autor:in) / YAN SHUANGHONG (Autor:in) / CHEN RUI (Autor:in) / XIAO BI (Autor:in) / DING GANG (Autor:in) / CHENG ZIGANG (Autor:in)
14.11.2023
Patent
Elektronische Ressource
Chinesisch
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