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Grouting anti-drag model test device and method for construction of ultra-large-diameter ultra-deep sinking well
The invention belongs to the technical field of open caisson construction, and particularly relates to an ultra-large-diameter and ultra-deep open caisson construction grouting drag reduction model test device and method.The device comprises a test loading device, a soil box, an open caisson segment, an open caisson segment control device, a data acquisition system, a grouting system and a control system, and the soil box is arranged above the test loading device; the sinking pipe piece control device controls the sinking pipe piece to sink in the soil body of the soil box; the data acquisition system is used for respectively monitoring soil pressure, pore water pressure, a soil layer displacement value and a segment strain value in the sinking process of the open caisson segment; the control system is connected with the test loading device and the grouting system, the control system controls the loading rate, the load size, the grouting speed and the grouting amount of the test loading device, and the test loading device and the open caisson segment control device highly simulate the open caisson sinking and grouting drag reduction process under the actual engineering condition; and scientific reference data is provided for engineering design and construction.
本发明属于沉井施工技术领域，尤其是一种超大直径超深沉井施工注浆减阻模型试验装置及方法，包括试验加载装置、土箱、沉井管片、沉井管片控制装置、数据采集系统、注浆系统和控制系统，所述试验加载装置上方设有土箱；沉进管片控制装置控制沉井管片在土箱的土体内部下沉；所述数据采集系统分别监测沉井管片下沉过程中的土压力、孔隙水压力、土层位移值、管片应变值；控制系统连接试验加载装置和注浆系统，控制系统控制试验加载装置的加载速率和荷载大小、注浆速度和注浆量，本发明的试验装置通过试验加载装置和沉井管片控制装置高度模拟实际工程条件下的沉井下沉和注浆减阻过程，为工程设计和施工提供科学的参考数据。
Grouting anti-drag model test device and method for construction of ultra-large-diameter ultra-deep sinking well
The invention belongs to the technical field of open caisson construction, and particularly relates to an ultra-large-diameter and ultra-deep open caisson construction grouting drag reduction model test device and method.The device comprises a test loading device, a soil box, an open caisson segment, an open caisson segment control device, a data acquisition system, a grouting system and a control system, and the soil box is arranged above the test loading device; the sinking pipe piece control device controls the sinking pipe piece to sink in the soil body of the soil box; the data acquisition system is used for respectively monitoring soil pressure, pore water pressure, a soil layer displacement value and a segment strain value in the sinking process of the open caisson segment; the control system is connected with the test loading device and the grouting system, the control system controls the loading rate, the load size, the grouting speed and the grouting amount of the test loading device, and the test loading device and the open caisson segment control device highly simulate the open caisson sinking and grouting drag reduction process under the actual engineering condition; and scientific reference data is provided for engineering design and construction.
本发明属于沉井施工技术领域，尤其是一种超大直径超深沉井施工注浆减阻模型试验装置及方法，包括试验加载装置、土箱、沉井管片、沉井管片控制装置、数据采集系统、注浆系统和控制系统，所述试验加载装置上方设有土箱；沉进管片控制装置控制沉井管片在土箱的土体内部下沉；所述数据采集系统分别监测沉井管片下沉过程中的土压力、孔隙水压力、土层位移值、管片应变值；控制系统连接试验加载装置和注浆系统，控制系统控制试验加载装置的加载速率和荷载大小、注浆速度和注浆量，本发明的试验装置通过试验加载装置和沉井管片控制装置高度模拟实际工程条件下的沉井下沉和注浆减阻过程，为工程设计和施工提供科学的参考数据。
Grouting anti-drag model test device and method for construction of ultra-large-diameter ultra-deep sinking well
一种超大直径超深沉井施工注浆减阻模型试验装置及方法
MA CHUNJING (author) / AN GUANFENG (author) / LIU TIANJUN (author) / LIU KEQI (author) / GAO YINGLIN (author) / GUAN PANFENG (author) / XU ZHIBING (author) / YU LONG (author) / ZHANG XU (author)
2024-11-08
Patent
Electronic Resource
Chinese
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