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A platform for research: civil engineering, architecture and urbanism
Uplift pile uplift test structure and test method thereof
The invention relates to an uplift pile uplift test structure and a test method thereof.The uplift pile uplift test structure structurally comprises a supporting pier, a pressure-bearing beam, a guide base table, hydraulic jacking equipment, a pressure-bearing plate and auxiliary steel strands, the guide base table is provided with threading bayonets in an annular array, and the threading bayonets are alternately arranged to be connected with slow-bonding steel strands and the auxiliary steel strands in a penetrating mode; retard-bonded steel strands at the top of the uplift pile are divided into two centrosymmetric groups, penetrate through the threading bayonets correspondingly and are tensioned and fixed through anchoring parts, the pressure-bearing beam supports the supporting pier and is located over the guide base table, hydraulic jacking equipment is placed on the top face of the center of the pressure-bearing beam, and the pressure-bearing plate is supported by the hydraulic jacking equipment. The two sides of the bearing plate are each provided with a threading opening for the slow-bonding steel strand and the auxiliary steel strand to penetrate through. During testing, the two ends of the auxiliary steel strand are connected with the anchoring parts to tension the bearing plate and the guide base station, the hydraulic jacking equipment provides pre-tensioning tension, then a group of two to-be-tested slow-bonding steel strands are anchored with the bearing plate, and the anti-pulling tension is continuously applied, so that anti-pulling testing is realized, and the testing is relatively convenient and accurate.
本发明涉及一种抗拔桩抗拔测试结构及其测试方法，其结构包括支撑墩、承压梁、导向基台、液压顶升设备、承压板、辅助钢绞线，导向基台设有环形阵列的穿线卡口，且交替设置为穿接缓粘结钢绞线和辅助钢绞线，抗拔桩顶部的缓粘结钢绞线分成中心对称的两组，分别对应穿过上述穿线卡口并通过锚固件拉紧固定，承压梁支撑支撑墩并位于导向基台正上方，承压梁中心顶面放置液压顶升设备并支撑承压板，承压板两边均设有穿接缓粘结钢绞线和辅助钢绞线的穿线口。测试时，通过辅助钢绞线两端连接锚固件拉紧承压板和导向基台，并由液压顶设备提供预紧张拉力，再将待测一组两根缓粘结钢绞线与承压板锚固，继续施加抗拔张拉力，实现抗拔测试，测试较为方便、准确。
Uplift pile uplift test structure and test method thereof
The invention relates to an uplift pile uplift test structure and a test method thereof.The uplift pile uplift test structure structurally comprises a supporting pier, a pressure-bearing beam, a guide base table, hydraulic jacking equipment, a pressure-bearing plate and auxiliary steel strands, the guide base table is provided with threading bayonets in an annular array, and the threading bayonets are alternately arranged to be connected with slow-bonding steel strands and the auxiliary steel strands in a penetrating mode; retard-bonded steel strands at the top of the uplift pile are divided into two centrosymmetric groups, penetrate through the threading bayonets correspondingly and are tensioned and fixed through anchoring parts, the pressure-bearing beam supports the supporting pier and is located over the guide base table, hydraulic jacking equipment is placed on the top face of the center of the pressure-bearing beam, and the pressure-bearing plate is supported by the hydraulic jacking equipment. The two sides of the bearing plate are each provided with a threading opening for the slow-bonding steel strand and the auxiliary steel strand to penetrate through. During testing, the two ends of the auxiliary steel strand are connected with the anchoring parts to tension the bearing plate and the guide base station, the hydraulic jacking equipment provides pre-tensioning tension, then a group of two to-be-tested slow-bonding steel strands are anchored with the bearing plate, and the anti-pulling tension is continuously applied, so that anti-pulling testing is realized, and the testing is relatively convenient and accurate.
本发明涉及一种抗拔桩抗拔测试结构及其测试方法，其结构包括支撑墩、承压梁、导向基台、液压顶升设备、承压板、辅助钢绞线，导向基台设有环形阵列的穿线卡口，且交替设置为穿接缓粘结钢绞线和辅助钢绞线，抗拔桩顶部的缓粘结钢绞线分成中心对称的两组，分别对应穿过上述穿线卡口并通过锚固件拉紧固定，承压梁支撑支撑墩并位于导向基台正上方，承压梁中心顶面放置液压顶升设备并支撑承压板，承压板两边均设有穿接缓粘结钢绞线和辅助钢绞线的穿线口。测试时，通过辅助钢绞线两端连接锚固件拉紧承压板和导向基台，并由液压顶设备提供预紧张拉力，再将待测一组两根缓粘结钢绞线与承压板锚固，继续施加抗拔张拉力，实现抗拔测试，测试较为方便、准确。
Uplift pile uplift test structure and test method thereof
抗拔桩抗拔测试结构及其测试方法
DAI CONG (author) / NI LINFEI (author) / CHEN WUPING (author) / WU MINFENG (author) / FAN ZENGZENG (author) / LI QI (author) / CHEN BO (author)
2024-04-19
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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