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Method for testing horizontal resistance coefficient of pile foundation
The invention discloses a method for testing a horizontal resistance coefficient of pile foundation soil, which comprises the following steps of: S1, marking points and numbering according to different position areas in to-be-detected foundation rock soil in combination with the micro-topography and landform of each position area, and numbering test piles; s2, monitoring elements are buried in the soil body around the test pile, field testing is carried out, and the monitoring elements comprise a pile top displacement monitoring instrument, a pile body displacement monitoring element and a horizontal soil pressure monitoring element in front of the test pile; s3, a counter-force loading device of the horizontal test pile is buried, and site construction is carried out; s4, applying a load to the test pile through a counter-force loading device by adopting a low-speed load maintaining method until the test pile reaches a limiting condition, and stopping loading the load; and S5, collecting data measured by the monitoring element, and calculating a horizontal resistance coefficient value. The expansion volume and shape can be strictly and accurately controlled, and the monitoring result is more accurate.
本发明公开了一种桩基土水平抗力系数测试的方法，包括以下步骤，S1：根据待检测的地基岩土中不同的位置区域并结合每个位置区域的微地形地貌进行标点编号，并对试验桩进行编号；S2：在试验桩周围土体中埋设监测元件，并进行现场测试，监测元件包括桩顶位移监测仪器、桩身位移监测元件及试验桩桩前水平方向土压力监测元件；S3：埋设水平试验桩的反力加载装置并进行现场施工；S4：通过反力加载装置并采用慢速维持荷载法对试验桩进行载荷施加，直至试验桩达到极限条件终止载荷加载；S5：收集监测元件所测的数据，计算水平抗力系数值。本发明可以严格精准控制扩张体积及形状，监测结果更为精确。
Method for testing horizontal resistance coefficient of pile foundation
The invention discloses a method for testing a horizontal resistance coefficient of pile foundation soil, which comprises the following steps of: S1, marking points and numbering according to different position areas in to-be-detected foundation rock soil in combination with the micro-topography and landform of each position area, and numbering test piles; s2, monitoring elements are buried in the soil body around the test pile, field testing is carried out, and the monitoring elements comprise a pile top displacement monitoring instrument, a pile body displacement monitoring element and a horizontal soil pressure monitoring element in front of the test pile; s3, a counter-force loading device of the horizontal test pile is buried, and site construction is carried out; s4, applying a load to the test pile through a counter-force loading device by adopting a low-speed load maintaining method until the test pile reaches a limiting condition, and stopping loading the load; and S5, collecting data measured by the monitoring element, and calculating a horizontal resistance coefficient value. The expansion volume and shape can be strictly and accurately controlled, and the monitoring result is more accurate.
本发明公开了一种桩基土水平抗力系数测试的方法，包括以下步骤，S1：根据待检测的地基岩土中不同的位置区域并结合每个位置区域的微地形地貌进行标点编号，并对试验桩进行编号；S2：在试验桩周围土体中埋设监测元件，并进行现场测试，监测元件包括桩顶位移监测仪器、桩身位移监测元件及试验桩桩前水平方向土压力监测元件；S3：埋设水平试验桩的反力加载装置并进行现场施工；S4：通过反力加载装置并采用慢速维持荷载法对试验桩进行载荷施加，直至试验桩达到极限条件终止载荷加载；S5：收集监测元件所测的数据，计算水平抗力系数值。本发明可以严格精准控制扩张体积及形状，监测结果更为精确。
Method for testing horizontal resistance coefficient of pile foundation
一种桩基水平抗力系数测试方法
GU MEIXIANG (author) / CAI XIAOCONG (author) / LI HAIBO (author)
2022-12-06
Patent
Electronic Resource
Chinese
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