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Method for constructing anti-slide piles in creep deformation landslide mass
The invention discloses a method for constructing anti-slide piles in a creep deformation landslide mass. The method comprises the following steps that soil body inclinometer pipes are arranged on theupper middle portion of the landslide mass so as to detect the state of the landslide mass in good time; slope toe anti-slide piles are constructed at the slope toe positions of the landslide mass toreinforce the landslide mass; a prestress anchor cable and an anchor cable frame beam are constructed in the middle of the landslide mass; the multiple anti-slide piles in the landslide mass are sequentially constructed at the rock clamping position in a tunnel, the construction principle of hole-separation jump excavation and pile hole staggering is adopted in the multiple anti-slide piles in the landslide mass for construction, the excavation depths of the same batch of pile holes cannot be on the same plane, the excavation depths of the pile holes are staggered by a certain distance, and therefore the risk of secondary landslide is reduced; and monitoring devices such as concrete strain gauges and pressure box monitoring alarms are arranged in the anti-slide piles in the landslide mass, the ground surface and the interior of the landslide mass can be monitored at the same time through the monitoring devices, the state of the landslide mass can be obtained in good time, reliable information parameters are provided for construction, and the construction safety is ensured.
本发明公开了一种在蠕动变形滑坡体内施工抗滑桩的方法，步骤如下：在滑坡体的中上部布设土体测斜管，以适时检测滑坡体状态；在滑坡体坡脚处施工坡脚抗滑桩对滑坡体进行加固；在滑坡体的中部施工预应力锚索和锚索框架梁；在隧道中夹岩位置依次施工多个滑坡体内抗滑桩，多个滑坡体内抗滑桩采用隔孔跳挖、桩孔错开的施工原则进行施工，同批桩孔的开挖深度不能再同一平面，每个桩孔开挖深度错开一定距离，以降低二次滑坡的风险；滑坡体内抗滑桩内设置有混凝土应变仪、压力盒监测报警器等监测装置，通过监测装置能对滑坡体的地表以及内部同时进行监测，能够适时获取滑坡体的状态，为施工提供可靠的信息参数，确保施工安全性。
Method for constructing anti-slide piles in creep deformation landslide mass
The invention discloses a method for constructing anti-slide piles in a creep deformation landslide mass. The method comprises the following steps that soil body inclinometer pipes are arranged on theupper middle portion of the landslide mass so as to detect the state of the landslide mass in good time; slope toe anti-slide piles are constructed at the slope toe positions of the landslide mass toreinforce the landslide mass; a prestress anchor cable and an anchor cable frame beam are constructed in the middle of the landslide mass; the multiple anti-slide piles in the landslide mass are sequentially constructed at the rock clamping position in a tunnel, the construction principle of hole-separation jump excavation and pile hole staggering is adopted in the multiple anti-slide piles in the landslide mass for construction, the excavation depths of the same batch of pile holes cannot be on the same plane, the excavation depths of the pile holes are staggered by a certain distance, and therefore the risk of secondary landslide is reduced; and monitoring devices such as concrete strain gauges and pressure box monitoring alarms are arranged in the anti-slide piles in the landslide mass, the ground surface and the interior of the landslide mass can be monitored at the same time through the monitoring devices, the state of the landslide mass can be obtained in good time, reliable information parameters are provided for construction, and the construction safety is ensured.
本发明公开了一种在蠕动变形滑坡体内施工抗滑桩的方法，步骤如下：在滑坡体的中上部布设土体测斜管，以适时检测滑坡体状态；在滑坡体坡脚处施工坡脚抗滑桩对滑坡体进行加固；在滑坡体的中部施工预应力锚索和锚索框架梁；在隧道中夹岩位置依次施工多个滑坡体内抗滑桩，多个滑坡体内抗滑桩采用隔孔跳挖、桩孔错开的施工原则进行施工，同批桩孔的开挖深度不能再同一平面，每个桩孔开挖深度错开一定距离，以降低二次滑坡的风险；滑坡体内抗滑桩内设置有混凝土应变仪、压力盒监测报警器等监测装置，通过监测装置能对滑坡体的地表以及内部同时进行监测，能够适时获取滑坡体的状态，为施工提供可靠的信息参数，确保施工安全性。
Method for constructing anti-slide piles in creep deformation landslide mass
一种在蠕动变形滑坡体内施工抗滑桩的方法
SUN ZHIYUAN (author) / GUO HONGTAO (author) / OU HUA (author) / XIAO JIYONG (author) / ZHANG PENG (author)
2020-12-04
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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